From c02c3ad7b14becea7cfd00659c8b171a498cf2d4 Mon Sep 17 00:00:00 2001
From: mark-terry <36909937+mark-terry@users.noreply.github.com>
Date: Wed, 17 Oct 2018 12:54:46 +1000
Subject: [PATCH] Nc 862 spotless license headers (#69)

* [NC-862] Added licenseHeader java rule to spotless.

* [NC-862] Spotless java headers applied.
---
 .../acceptance/CreateAccountAcceptanceTest.java      | 12 ++++++++++++
 .../acceptance/PantheonClusterAcceptanceTest.java    | 12 ++++++++++++
 .../acceptance/RpcApisTogglesAcceptanceTest.java     | 12 ++++++++++++
 .../tests/acceptance/dsl/AcceptanceTestBase.java     | 12 ++++++++++++
 .../pantheon/tests/acceptance/dsl/JsonRpc.java       | 12 ++++++++++++
 .../pantheon/tests/acceptance/dsl/WaitUtils.java     | 12 ++++++++++++
 .../tests/acceptance/dsl/account/Account.java        | 12 ++++++++++++
 .../tests/acceptance/dsl/account/Accounts.java       | 12 ++++++++++++
 .../pantheon/tests/acceptance/dsl/node/Cluster.java  | 12 ++++++++++++
 .../pantheon/tests/acceptance/dsl/node/Eth.java      | 12 ++++++++++++
 .../tests/acceptance/dsl/node/PantheonNode.java      | 12 ++++++++++++
 .../acceptance/dsl/node/PantheonNodeConfig.java      | 12 ++++++++++++
 .../acceptance/dsl/node/PantheonNodeRunner.java      | 12 ++++++++++++
 .../dsl/node/ProcessPantheonNodeRunner.java          | 12 ++++++++++++
 .../dsl/node/ThreadPantheonNodeRunner.java           | 12 ++++++++++++
 .../pantheon/tests/acceptance/dsl/node/Web3.java     | 12 ++++++++++++
 .../acceptance/dsl/pubsub/JsonRpcSuccessEvent.java   | 12 ++++++++++++
 .../tests/acceptance/dsl/pubsub/Subscription.java    | 12 ++++++++++++
 .../acceptance/dsl/pubsub/SubscriptionEvent.java     | 12 ++++++++++++
 .../tests/acceptance/dsl/pubsub/WebSocket.java       | 12 ++++++++++++
 .../acceptance/dsl/pubsub/WebSocketConnection.java   | 12 ++++++++++++
 .../tests/acceptance/dsl/pubsub/WebSocketEvent.java  | 12 ++++++++++++
 .../acceptance/jsonrpc/Web3Sha3AcceptanceTest.java   | 12 ++++++++++++
 .../acceptance/mining/MiningAcceptanceTest.java      | 12 ++++++++++++
 .../pubsub/NewPendingTransactionAcceptanceTest.java  | 12 ++++++++++++
 .../tests/web3j/EventEmitterAcceptanceTest.java      | 12 ++++++++++++
 .../pantheon/tests/web3j/generated/EventEmitter.java | 12 ++++++++++++
 build.gradle                                         |  2 ++
 .../clique/BlockHeaderValidationRulesetFactory.java  | 12 ++++++++++++
 .../consensus/clique/CliqueBlockHashing.java         | 12 ++++++++++++
 .../pantheon/consensus/clique/CliqueContext.java     | 12 ++++++++++++
 .../consensus/clique/CliqueDifficultyCalculator.java | 12 ++++++++++++
 .../pantheon/consensus/clique/CliqueExtraData.java   | 12 ++++++++++++
 .../pantheon/consensus/clique/CliqueHelpers.java     | 12 ++++++++++++
 .../consensus/clique/CliqueProtocolSchedule.java     | 12 ++++++++++++
 .../consensus/clique/CliqueProtocolSpecs.java        | 12 ++++++++++++
 .../consensus/clique/CliqueVoteTallyUpdater.java     | 12 ++++++++++++
 .../pantheon/consensus/clique/VoteTallyCache.java    | 12 ++++++++++++
 .../clique/blockcreation/CliqueBlockCreator.java     | 12 ++++++++++++
 .../clique/blockcreation/CliqueBlockMiner.java       | 12 ++++++++++++
 .../clique/blockcreation/CliqueBlockScheduler.java   | 12 ++++++++++++
 .../clique/blockcreation/CliqueMinerExecutor.java    | 12 ++++++++++++
 .../blockcreation/CliqueMiningCoordinator.java       | 12 ++++++++++++
 .../clique/blockcreation/CliqueProposerSelector.java | 12 ++++++++++++
 .../CliqueDifficultyValidationRule.java              | 12 ++++++++++++
 .../CliqueExtraDataValidationRule.java               | 12 ++++++++++++
 .../CoinbaseHeaderValidationRule.java                | 12 ++++++++++++
 .../SignerRateLimitValidationRule.java               | 12 ++++++++++++
 .../clique/jsonrpc/CliqueJsonRpcMethodsFactory.java  | 12 ++++++++++++
 .../clique/jsonrpc/methods/CliqueGetSigners.java     | 12 ++++++++++++
 .../jsonrpc/methods/CliqueGetSignersAtHash.java      | 12 ++++++++++++
 .../consensus/clique/jsonrpc/methods/Discard.java    | 12 ++++++++++++
 .../consensus/clique/jsonrpc/methods/Propose.java    | 12 ++++++++++++
 .../consensus/clique/CliqueBlockHashingTest.java     | 12 ++++++++++++
 .../clique/CliqueDifficultyCalculatorTest.java       | 12 ++++++++++++
 .../consensus/clique/CliqueExtraDataTest.java        | 12 ++++++++++++
 .../consensus/clique/CliqueProtocolScheduleTest.java | 12 ++++++++++++
 .../consensus/clique/CliqueProtocolSpecsTest.java    | 12 ++++++++++++
 .../consensus/clique/CliqueVoteTallyUpdaterTest.java | 12 ++++++++++++
 .../clique/NodeCanProduceNextBlockTest.java          | 12 ++++++++++++
 .../pantheon/consensus/clique/TestHelpers.java       | 12 ++++++++++++
 .../consensus/clique/VoteTallyCacheTest.java         | 12 ++++++++++++
 .../clique/blockcreation/CliqueBlockCreatorTest.java | 12 ++++++++++++
 .../blockcreation/CliqueBlockSchedulerTest.java      | 12 ++++++++++++
 .../blockcreation/CliqueMinerExecutorTest.java       | 12 ++++++++++++
 .../blockcreation/CliqueProposerSelectorTest.java    | 12 ++++++++++++
 .../CliqueDifficultyValidationRuleTest.java          | 12 ++++++++++++
 .../CliqueExtraDataValidationRuleTest.java           | 12 ++++++++++++
 .../SignerRateLimitValidationRuleTest.java           | 12 ++++++++++++
 .../jsonrpc/methods/CliqueGetSignersAtHashTest.java  | 12 ++++++++++++
 .../clique/jsonrpc/methods/CliqueGetSignersTest.java | 12 ++++++++++++
 .../clique/jsonrpc/methods/DiscardTest.java          | 12 ++++++++++++
 .../clique/jsonrpc/methods/ProposeTest.java          | 12 ++++++++++++
 .../pantheon/consensus/common/EpochManager.java      | 12 ++++++++++++
 .../pantheon/consensus/common/ValidatorProvider.java | 12 ++++++++++++
 .../pantheon/consensus/common/VoteProposer.java      | 12 ++++++++++++
 .../pegasys/pantheon/consensus/common/VoteTally.java | 12 ++++++++++++
 .../pegasys/pantheon/consensus/common/VoteType.java  | 12 ++++++++++++
 .../headervalidationrules/VoteValidationRule.java    | 12 ++++++++++++
 .../pantheon/consensus/common/VoteProposerTest.java  | 12 ++++++++++++
 .../pantheon/consensus/common/VoteTallyTest.java     | 12 ++++++++++++
 .../VoteValidationRuleTest.java                      | 12 ++++++++++++
 .../consensus/ibft/ConsensusRoundIdentifier.java     | 12 ++++++++++++
 .../pantheon/consensus/ibft/IbftBlockHashing.java    | 12 ++++++++++++
 .../IbftBlockHeaderValidationRulesetFactory.java     | 12 ++++++++++++
 .../pantheon/consensus/ibft/IbftBlockImporter.java   | 12 ++++++++++++
 .../pantheon/consensus/ibft/IbftChainObserver.java   | 12 ++++++++++++
 .../pegasys/pantheon/consensus/ibft/IbftContext.java | 12 ++++++++++++
 .../pegasys/pantheon/consensus/ibft/IbftEvent.java   | 12 ++++++++++++
 .../pantheon/consensus/ibft/IbftEventQueue.java      | 12 ++++++++++++
 .../pegasys/pantheon/consensus/ibft/IbftEvents.java  | 12 ++++++++++++
 .../pantheon/consensus/ibft/IbftExtraData.java       | 12 ++++++++++++
 .../pegasys/pantheon/consensus/ibft/IbftHelpers.java | 12 ++++++++++++
 .../pantheon/consensus/ibft/IbftProcessor.java       | 12 ++++++++++++
 .../consensus/ibft/IbftProtocolSchedule.java         | 12 ++++++++++++
 .../pantheon/consensus/ibft/IbftProtocolSpecs.java   | 12 ++++++++++++
 .../pantheon/consensus/ibft/IbftStateMachine.java    | 12 ++++++++++++
 .../pegasys/pantheon/consensus/ibft/RoundTimer.java  | 12 ++++++++++++
 .../pantheon/consensus/ibft/VoteTallyUpdater.java    | 12 ++++++++++++
 .../ibft/blockcreation/IbftBlockCreator.java         | 12 ++++++++++++
 .../consensus/ibft/blockcreation/IbftBlockMiner.java | 12 ++++++++++++
 .../ibft/blockcreation/IbftExtraDataCalculator.java  | 12 ++++++++++++
 .../ibft/blockcreation/ProposerSelector.java         | 12 ++++++++++++
 .../IbftExtraDataValidationRule.java                 | 12 ++++++++++++
 .../consensus/ibft/ibftevent/NewChainHead.java       | 12 ++++++++++++
 .../consensus/ibft/ibftevent/RoundExpiry.java        | 12 ++++++++++++
 .../ibft/jsonrpc/IbftJsonRpcMethodsFactory.java      | 12 ++++++++++++
 .../jsonrpc/methods/IbftDiscardValidatorVote.java    | 12 ++++++++++++
 .../jsonrpc/methods/IbftProposeValidatorVote.java    | 12 ++++++++++++
 .../consensus/ibft/protocol/IbftProtocolManager.java | 12 ++++++++++++
 .../consensus/ibft/protocol/IbftSubProtocol.java     | 12 ++++++++++++
 .../consensus/ibft/protocol/Istanbul64Protocol.java  | 12 ++++++++++++
 .../ibft/protocol/Istanbul64ProtocolManager.java     | 12 ++++++++++++
 .../consensus/ibft/IbftBlockHashingTest.java         | 12 ++++++++++++
 .../IbftBlockHeaderValidationRulesetFactoryTest.java | 12 ++++++++++++
 .../consensus/ibft/IbftBlockImporterTest.java        | 12 ++++++++++++
 .../consensus/ibft/IbftChainObserverTest.java        | 12 ++++++++++++
 .../pantheon/consensus/ibft/IbftEventQueueTest.java  | 12 ++++++++++++
 .../pantheon/consensus/ibft/IbftExtraDataTest.java   | 12 ++++++++++++
 .../pantheon/consensus/ibft/IbftProcessorTest.java   | 12 ++++++++++++
 .../consensus/ibft/IbftProtocolContextFixture.java   | 12 ++++++++++++
 .../pantheon/consensus/ibft/RoundTimerTest.java      | 12 ++++++++++++
 .../consensus/ibft/VoteTallyUpdaterTest.java         | 12 ++++++++++++
 .../ibft/blockcreation/IbftBlockCreatorTest.java     | 12 ++++++++++++
 .../ibft/blockcreation/ProposerSelectorTest.java     | 12 ++++++++++++
 .../IbftExtraDataValidationRuleTest.java             | 12 ++++++++++++
 .../methods/IbftDiscardValidatorVoteTest.java        | 12 ++++++++++++
 .../methods/IbftProposeValidatorVoteTest.java        | 12 ++++++++++++
 .../consensus/ibft/protocol/IbftSubProtocolTest.java | 12 ++++++++++++
 .../crypto/BouncyCastleMessageDigestFactory.java     | 12 ++++++++++++
 .../main/java/tech/pegasys/pantheon/crypto/Hash.java | 12 ++++++++++++
 .../InvalidSEC256K1PrivateKeyStoreException.java     | 12 ++++++++++++
 .../pegasys/pantheon/crypto/PRNGSecureRandom.java    | 12 ++++++++++++
 .../pantheon/crypto/PersonalisationString.java       | 12 ++++++++++++
 .../tech/pegasys/pantheon/crypto/QuickEntropy.java   | 12 ++++++++++++
 .../java/tech/pegasys/pantheon/crypto/SECP256K1.java | 12 ++++++++++++
 .../pantheon/crypto/SecureRandomProvider.java        | 12 ++++++++++++
 .../pantheon/crypto/altbn128/AbstractFieldPoint.java | 12 ++++++++++++
 .../pantheon/crypto/altbn128/AbstractFqp.java        | 12 ++++++++++++
 .../pantheon/crypto/altbn128/AltBn128Fq12Pairer.java | 12 ++++++++++++
 .../pantheon/crypto/altbn128/AltBn128Fq12Point.java  | 12 ++++++++++++
 .../pantheon/crypto/altbn128/AltBn128Fq2Point.java   | 12 ++++++++++++
 .../pantheon/crypto/altbn128/AltBn128Point.java      | 12 ++++++++++++
 .../pantheon/crypto/altbn128/FieldElement.java       | 12 ++++++++++++
 .../pegasys/pantheon/crypto/altbn128/FieldPoint.java | 12 ++++++++++++
 .../tech/pegasys/pantheon/crypto/altbn128/Fq.java    | 12 ++++++++++++
 .../tech/pegasys/pantheon/crypto/altbn128/Fq12.java  | 12 ++++++++++++
 .../tech/pegasys/pantheon/crypto/altbn128/Fq2.java   | 12 ++++++++++++
 .../java/tech/pegasys/pantheon/crypto/HashTest.java  | 12 ++++++++++++
 .../pantheon/crypto/PRNGSecureRandomTest.java        | 12 ++++++++++++
 .../tech/pegasys/pantheon/crypto/SECP256K1Test.java  | 12 ++++++++++++
 .../crypto/altbn128/AltBn128Fq12PairerTest.java      | 12 ++++++++++++
 .../crypto/altbn128/AltBn128Fq12PointTest.java       | 12 ++++++++++++
 .../crypto/altbn128/AltBn128Fq2PointTest.java        | 12 ++++++++++++
 .../pantheon/crypto/altbn128/AltBn128PointTest.java  | 12 ++++++++++++
 .../pegasys/pantheon/crypto/altbn128/Fq12Test.java   | 12 ++++++++++++
 .../pegasys/pantheon/crypto/altbn128/Fq2Test.java    | 12 ++++++++++++
 .../pegasys/pantheon/crypto/altbn128/FqTest.java     | 12 ++++++++++++
 .../DoNotCreateSecureRandomDirectly.java             | 12 ++++++++++++
 .../DoNotInvokeMessageDigestDirectly.java            | 12 ++++++++++++
 .../errorpronechecks/DoNotReturnNullOptionals.java   | 12 ++++++++++++
 .../MethodInputParametersMustBeFinal.java            | 12 ++++++++++++
 .../DoNotCreateSecureRandomDirectlyTest.java         | 12 ++++++++++++
 .../DoNotInvokeMessageDigestDirectlyTest.java        | 12 ++++++++++++
 .../DoNotReturnNullOptionalsTest.java                | 12 ++++++++++++
 .../MethodInputParametersMustBeFinalTest.java        | 12 ++++++++++++
 ...DoNotCreateSecureRandomDirectlyNegativeCases.java | 12 ++++++++++++
 ...DoNotCreateSecureRandomDirectlyPositiveCases.java | 12 ++++++++++++
 ...oNotInvokeMessageDigestDirectlyNegativeCases.java | 12 ++++++++++++
 ...oNotInvokeMessageDigestDirectlyPositiveCases.java | 12 ++++++++++++
 .../DoNotReturnNullOptionalsNegativeCases.java       | 12 ++++++++++++
 .../DoNotReturnNullOptionalsPositiveCases.java       | 12 ++++++++++++
 ...tParametersMustBeFinalInterfaceNegativeCases.java | 12 ++++++++++++
 ...tParametersMustBeFinalInterfacePositiveCases.java | 12 ++++++++++++
 ...ethodInputParametersMustBeFinalNegativeCases.java | 12 ++++++++++++
 ...ethodInputParametersMustBeFinalPositiveCases.java | 12 ++++++++++++
 .../ethereum/vm/EntriesFromIntegrationTest.java      | 12 ++++++++++++
 .../ethereum/vm/TraceTransactionIntegrationTest.java | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/ProtocolContext.java   | 12 ++++++++++++
 .../ethereum/blockcreation/AbstractBlockCreator.java | 12 ++++++++++++
 .../blockcreation/AbstractBlockScheduler.java        | 12 ++++++++++++
 .../blockcreation/AbstractMinerExecutor.java         | 12 ++++++++++++
 .../blockcreation/AbstractMiningCoordinator.java     | 12 ++++++++++++
 .../ethereum/blockcreation/AsyncBlockCreator.java    | 12 ++++++++++++
 .../ethereum/blockcreation/BlockCreator.java         | 12 ++++++++++++
 .../pantheon/ethereum/blockcreation/BlockMiner.java  | 12 ++++++++++++
 .../blockcreation/BlockTransactionSelector.java      | 12 ++++++++++++
 .../blockcreation/CoinbaseNotSetException.java       | 12 ++++++++++++
 .../blockcreation/DefaultBlockScheduler.java         | 12 ++++++++++++
 .../ethereum/blockcreation/EthHashBlockMiner.java    | 12 ++++++++++++
 .../ethereum/blockcreation/EthHashMinerExecutor.java | 12 ++++++++++++
 .../blockcreation/EthHashMiningCoordinator.java      | 12 ++++++++++++
 .../blockcreation/IncrementingNonceGenerator.java    | 12 ++++++++++++
 .../ethereum/blockcreation/MiningParameters.java     | 12 ++++++++++++
 .../ethereum/blockcreation/RandomNonceGenerator.java | 12 ++++++++++++
 .../pantheon/ethereum/chain/BlockAddedEvent.java     | 12 ++++++++++++
 .../pantheon/ethereum/chain/BlockAddedObserver.java  | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/chain/Blockchain.java  | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/chain/ChainHead.java   | 12 ++++++++++++
 .../pantheon/ethereum/chain/GenesisConfig.java       | 12 ++++++++++++
 .../pantheon/ethereum/chain/MutableBlockchain.java   | 12 ++++++++++++
 .../pantheon/ethereum/chain/TransactionLocation.java | 12 ++++++++++++
 .../pantheon/ethereum/core/AbstractWorldUpdater.java | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/core/Account.java | 12 ++++++++++++
 .../ethereum/core/AccountTransactionOrder.java       | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/core/Address.java | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/core/Block.java   | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/core/BlockBody.java    | 12 ++++++++++++
 .../pantheon/ethereum/core/BlockHashFunction.java    | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/core/BlockHeader.java  | 12 ++++++++++++
 .../pantheon/ethereum/core/BlockHeaderBuilder.java   | 12 ++++++++++++
 .../pantheon/ethereum/core/BlockImporter.java        | 12 ++++++++++++
 .../pantheon/ethereum/core/BlockMetadata.java        | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/core/Gas.java     | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/core/Hash.java    | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/core/Log.java     | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/core/LogSeries.java    | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/core/LogTopic.java     | 12 ++++++++++++
 .../pantheon/ethereum/core/LogsBloomFilter.java      | 12 ++++++++++++
 .../pantheon/ethereum/core/MutableAccount.java       | 12 ++++++++++++
 .../pantheon/ethereum/core/MutableWorldState.java    | 12 ++++++++++++
 .../pantheon/ethereum/core/MutableWorldView.java     | 12 ++++++++++++
 .../ethereum/core/PendingTransactionListener.java    | 12 ++++++++++++
 .../pantheon/ethereum/core/PendingTransactions.java  | 12 ++++++++++++
 .../ethereum/core/ProcessableBlockHeader.java        | 12 ++++++++++++
 .../pantheon/ethereum/core/SealableBlockHeader.java  | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/core/SyncStatus.java   | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/core/Synchronizer.java | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/core/Transaction.java  | 12 ++++++++++++
 .../pantheon/ethereum/core/TransactionBuilder.java   | 12 ++++++++++++
 .../pantheon/ethereum/core/TransactionPool.java      | 12 ++++++++++++
 .../pantheon/ethereum/core/TransactionReceipt.java   | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/core/Util.java    | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/core/Wei.java     | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/core/WorldState.java   | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/core/WorldUpdater.java | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/core/WorldView.java    | 12 ++++++++++++
 .../pantheon/ethereum/db/BlockchainStorage.java      | 12 ++++++++++++
 .../ethereum/db/DefaultMutableBlockchain.java        | 12 ++++++++++++
 .../KeyValueStoragePrefixedKeyBlockchainStorage.java | 12 ++++++++++++
 .../pantheon/ethereum/db/WorldStateArchive.java      | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/debug/TraceFrame.java  | 12 ++++++++++++
 .../pantheon/ethereum/debug/TraceOptions.java        | 12 ++++++++++++
 .../DevelopmentDifficultyCalculators.java            | 12 ++++++++++++
 .../development/DevelopmentProtocolSchedule.java     | 12 ++++++++++++
 .../development/DevelopmentProtocolSpecs.java        | 12 ++++++++++++
 .../ethereum/mainnet/AbstractMessageProcessor.java   | 12 ++++++++++++
 .../mainnet/AbstractPrecompiledContract.java         | 12 ++++++++++++
 .../mainnet/AttachedBlockHeaderValidationRule.java   | 12 ++++++++++++
 .../ethereum/mainnet/BlockBodyValidator.java         | 12 ++++++++++++
 .../ethereum/mainnet/BlockHeaderValidator.java       | 12 ++++++++++++
 .../pantheon/ethereum/mainnet/BlockProcessor.java    | 12 ++++++++++++
 .../pantheon/ethereum/mainnet/BodyValidation.java    | 12 ++++++++++++
 .../mainnet/ConstantinopleGasCalculator.java         | 12 ++++++++++++
 .../mainnet/DetachedBlockHeaderValidationRule.java   | 12 ++++++++++++
 .../ethereum/mainnet/DifficultyCalculator.java       | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/mainnet/EthHash.java   | 12 ++++++++++++
 .../ethereum/mainnet/EthHashBlockCreator.java        | 12 ++++++++++++
 .../ethereum/mainnet/EthHashCacheFactory.java        | 12 ++++++++++++
 .../pantheon/ethereum/mainnet/EthHashSolution.java   | 12 ++++++++++++
 .../pantheon/ethereum/mainnet/EthHashSolver.java     | 12 ++++++++++++
 .../ethereum/mainnet/EthHashSolverInputs.java        | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/mainnet/EthHasher.java | 12 ++++++++++++
 .../ethereum/mainnet/FrontierGasCalculator.java      | 12 ++++++++++++
 .../ethereum/mainnet/HeaderValidationMode.java       | 12 ++++++++++++
 .../ethereum/mainnet/HomesteadGasCalculator.java     | 12 ++++++++++++
 .../ethereum/mainnet/MainnetBlockBodyValidator.java  | 12 ++++++++++++
 .../ethereum/mainnet/MainnetBlockHashFunction.java   | 12 ++++++++++++
 .../mainnet/MainnetBlockHeaderValidator.java         | 12 ++++++++++++
 .../ethereum/mainnet/MainnetBlockImporter.java       | 12 ++++++++++++
 .../ethereum/mainnet/MainnetBlockProcessor.java      | 12 ++++++++++++
 .../mainnet/MainnetContractCreationProcessor.java    | 12 ++++++++++++
 .../mainnet/MainnetDifficultyCalculators.java        | 12 ++++++++++++
 .../ethereum/mainnet/MainnetEvmRegistries.java       | 12 ++++++++++++
 .../mainnet/MainnetMessageCallProcessor.java         | 12 ++++++++++++
 .../MainnetPrecompiledContractRegistries.java        | 12 ++++++++++++
 .../ethereum/mainnet/MainnetProtocolSchedule.java    | 12 ++++++++++++
 .../ethereum/mainnet/MainnetProtocolSpecs.java       | 12 ++++++++++++
 .../mainnet/MainnetTransactionProcessor.java         | 12 ++++++++++++
 .../mainnet/MainnetTransactionValidator.java         | 12 ++++++++++++
 .../mainnet/MiningBeneficiaryCalculator.java         | 12 ++++++++++++
 .../ethereum/mainnet/MutableProtocolSchedule.java    | 12 ++++++++++++
 .../ethereum/mainnet/PrecompileContractRegistry.java | 12 ++++++++++++
 .../ethereum/mainnet/PrecompiledContract.java        | 12 ++++++++++++
 .../pantheon/ethereum/mainnet/ProtocolSchedule.java  | 12 ++++++++++++
 .../pantheon/ethereum/mainnet/ProtocolSpec.java      | 12 ++++++++++++
 .../ethereum/mainnet/ProtocolSpecBuilder.java        | 12 ++++++++++++
 .../mainnet/ScheduleBasedBlockHashFunction.java      | 12 ++++++++++++
 .../ethereum/mainnet/ScheduledProtocolSpec.java      | 12 ++++++++++++
 .../mainnet/SpuriousDragonGasCalculator.java         | 12 ++++++++++++
 .../mainnet/TangerineWhistleGasCalculator.java       | 12 ++++++++++++
 .../ethereum/mainnet/TransactionProcessor.java       | 12 ++++++++++++
 .../ethereum/mainnet/TransactionReceiptType.java     | 12 ++++++++++++
 .../ethereum/mainnet/TransactionValidator.java       | 12 ++++++++++++
 .../pantheon/ethereum/mainnet/ValidationResult.java  | 12 ++++++++++++
 .../AncestryValidationRule.java                      | 12 ++++++++++++
 .../CalculatedDifficultyValidationRule.java          | 12 ++++++++++++
 .../ConstantFieldValidationRule.java                 | 12 ++++++++++++
 .../ExtraDataMaxLengthValidationRule.java            | 12 ++++++++++++
 .../GasLimitRangeAndDeltaValidationRule.java         | 12 ++++++++++++
 .../GasUsageValidationRule.java                      | 12 ++++++++++++
 .../ProofOfWorkValidationRule.java                   | 12 ++++++++++++
 .../TimestampValidationRule.java                     | 12 ++++++++++++
 .../precompiles/AltBN128AddPrecompiledContract.java  | 12 ++++++++++++
 .../precompiles/AltBN128MulPrecompiledContract.java  | 12 ++++++++++++
 .../AltBN128PairingPrecompiledContract.java          | 12 ++++++++++++
 ...egerModularExponentiationPrecompiledContract.java | 12 ++++++++++++
 .../precompiles/ECRECPrecompiledContract.java        | 12 ++++++++++++
 .../mainnet/precompiles/IDPrecompiledContract.java   | 12 ++++++++++++
 .../precompiles/RIPEMD160PrecompiledContract.java    | 12 ++++++++++++
 .../precompiles/SHA256PrecompiledContract.java       | 12 ++++++++++++
 .../pantheon/ethereum/util/BlockchainUtil.java       | 12 ++++++++++++
 .../pantheon/ethereum/util/ByteArrayUtil.java        | 12 ++++++++++++
 .../pantheon/ethereum/util/RawBlockIterator.java     | 12 ++++++++++++
 .../pantheon/ethereum/vm/AbstractCallOperation.java  | 12 ++++++++++++
 .../pantheon/ethereum/vm/AbstractOperation.java      | 12 ++++++++++++
 .../pantheon/ethereum/vm/BlockHashLookup.java        | 12 ++++++++++++
 .../java/tech/pegasys/pantheon/ethereum/vm/Code.java | 12 ++++++++++++
 .../pantheon/ethereum/vm/DebugOperationTracer.java   | 12 ++++++++++++
 .../java/tech/pegasys/pantheon/ethereum/vm/EVM.java  | 12 ++++++++++++
 .../pantheon/ethereum/vm/ExceptionalHaltReason.java  | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/vm/GasCalculator.java  | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/vm/Memory.java    | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/vm/MessageFrame.java   | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/vm/OperandStack.java   | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/vm/Operation.java | 12 ++++++++++++
 .../pantheon/ethereum/vm/OperationRegistry.java      | 12 ++++++++++++
 .../pantheon/ethereum/vm/OperationTracer.java        | 12 ++++++++++++
 .../ethereum/vm/PreAllocatedOperandStack.java        | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/vm/Words.java     | 12 ++++++++++++
 .../ethereum/vm/ehalt/ExceptionalHaltException.java  | 12 ++++++++++++
 .../ethereum/vm/ehalt/ExceptionalHaltManager.java    | 12 ++++++++++++
 .../ethereum/vm/ehalt/ExceptionalHaltPredicate.java  | 12 ++++++++++++
 .../InsufficientGasExceptionalHaltPredicate.java     | 12 ++++++++++++
 .../InvalidOperationExceptionalHaltPredicate.java    | 12 ++++++++++++
 .../ehalt/StackOverflowExceptionalHaltPredicate.java | 12 ++++++++++++
 .../StackUnderflowExceptionalHaltPredicate.java      | 12 ++++++++++++
 .../vm/operations/AbstractCreateOperation.java       | 12 ++++++++++++
 .../ethereum/vm/operations/AddModOperation.java      | 12 ++++++++++++
 .../ethereum/vm/operations/AddOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/AddressOperation.java     | 12 ++++++++++++
 .../ethereum/vm/operations/AndOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/BalanceOperation.java     | 12 ++++++++++++
 .../ethereum/vm/operations/BlockHashOperation.java   | 12 ++++++++++++
 .../ethereum/vm/operations/ByteOperation.java        | 12 ++++++++++++
 .../ethereum/vm/operations/CallCodeOperation.java    | 12 ++++++++++++
 .../vm/operations/CallDataCopyOperation.java         | 12 ++++++++++++
 .../vm/operations/CallDataLoadOperation.java         | 12 ++++++++++++
 .../vm/operations/CallDataSizeOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/CallOperation.java        | 12 ++++++++++++
 .../ethereum/vm/operations/CallValueOperation.java   | 12 ++++++++++++
 .../ethereum/vm/operations/CallerOperation.java      | 12 ++++++++++++
 .../ethereum/vm/operations/CodeCopyOperation.java    | 12 ++++++++++++
 .../ethereum/vm/operations/CodeSizeOperation.java    | 12 ++++++++++++
 .../ethereum/vm/operations/CoinbaseOperation.java    | 12 ++++++++++++
 .../ethereum/vm/operations/Create2Operation.java     | 12 ++++++++++++
 .../ethereum/vm/operations/CreateOperation.java      | 12 ++++++++++++
 .../vm/operations/DelegateCallOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/DifficultyOperation.java  | 12 ++++++++++++
 .../ethereum/vm/operations/DivOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/DupOperation.java         | 12 ++++++++++++
 .../pantheon/ethereum/vm/operations/EqOperation.java | 12 ++++++++++++
 .../ethereum/vm/operations/ExpOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/ExtCodeCopyOperation.java | 12 ++++++++++++
 .../ethereum/vm/operations/ExtCodeHashOperation.java | 12 ++++++++++++
 .../ethereum/vm/operations/ExtCodeSizeOperation.java | 12 ++++++++++++
 .../ethereum/vm/operations/GasLimitOperation.java    | 12 ++++++++++++
 .../ethereum/vm/operations/GasOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/GasPriceOperation.java    | 12 ++++++++++++
 .../pantheon/ethereum/vm/operations/GtOperation.java | 12 ++++++++++++
 .../ethereum/vm/operations/InvalidOperation.java     | 12 ++++++++++++
 .../ethereum/vm/operations/IsZeroOperation.java      | 12 ++++++++++++
 .../ethereum/vm/operations/JumpDestOperation.java    | 12 ++++++++++++
 .../ethereum/vm/operations/JumpOperation.java        | 12 ++++++++++++
 .../ethereum/vm/operations/JumpiOperation.java       | 12 ++++++++++++
 .../ethereum/vm/operations/LogOperation.java         | 12 ++++++++++++
 .../pantheon/ethereum/vm/operations/LtOperation.java | 12 ++++++++++++
 .../ethereum/vm/operations/MLoadOperation.java       | 12 ++++++++++++
 .../ethereum/vm/operations/MSizeOperation.java       | 12 ++++++++++++
 .../ethereum/vm/operations/MStore8Operation.java     | 12 ++++++++++++
 .../ethereum/vm/operations/MStoreOperation.java      | 12 ++++++++++++
 .../ethereum/vm/operations/ModOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/MulModOperation.java      | 12 ++++++++++++
 .../ethereum/vm/operations/MulOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/NotOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/NumberOperation.java      | 12 ++++++++++++
 .../pantheon/ethereum/vm/operations/OrOperation.java | 12 ++++++++++++
 .../ethereum/vm/operations/OriginOperation.java      | 12 ++++++++++++
 .../pantheon/ethereum/vm/operations/PCOperation.java | 12 ++++++++++++
 .../ethereum/vm/operations/PopOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/PushOperation.java        | 12 ++++++++++++
 .../vm/operations/ReturnDataCopyOperation.java       | 12 ++++++++++++
 .../vm/operations/ReturnDataSizeOperation.java       | 12 ++++++++++++
 .../ethereum/vm/operations/ReturnOperation.java      | 12 ++++++++++++
 .../ethereum/vm/operations/RevertOperation.java      | 12 ++++++++++++
 .../ethereum/vm/operations/SDivOperation.java        | 12 ++++++++++++
 .../ethereum/vm/operations/SGtOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/SLoadOperation.java       | 12 ++++++++++++
 .../ethereum/vm/operations/SLtOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/SModOperation.java        | 12 ++++++++++++
 .../ethereum/vm/operations/SStoreOperation.java      | 12 ++++++++++++
 .../ethereum/vm/operations/SarOperation.java         | 12 ++++++++++++
 .../vm/operations/SelfDestructOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/Sha3Operation.java        | 12 ++++++++++++
 .../ethereum/vm/operations/ShlOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/ShrOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/SignExtendOperation.java  | 12 ++++++++++++
 .../ethereum/vm/operations/StaticCallOperation.java  | 12 ++++++++++++
 .../ethereum/vm/operations/StopOperation.java        | 12 ++++++++++++
 .../ethereum/vm/operations/SubOperation.java         | 12 ++++++++++++
 .../ethereum/vm/operations/SwapOperation.java        | 12 ++++++++++++
 .../ethereum/vm/operations/TimestampOperation.java   | 12 ++++++++++++
 .../ethereum/vm/operations/XorOperation.java         | 12 ++++++++++++
 .../worldstate/DebuggableMutableWorldState.java      | 12 ++++++++++++
 .../worldstate/DefaultMutableWorldState.java         | 12 ++++++++++++
 .../worldstate/KeyValueStorageWorldStateStorage.java | 12 ++++++++++++
 .../ethereum/worldstate/WorldStateStorage.java       | 12 ++++++++++++
 .../pantheon/ethereum/core/AddressHelpers.java       | 12 ++++++++++++
 .../ethereum/core/BlockHeaderTestFixture.java        | 12 ++++++++++++
 .../pantheon/ethereum/core/BlockSyncTestUtils.java   | 12 ++++++++++++
 .../ethereum/core/ExecutionContextTestFixture.java   | 12 ++++++++++++
 .../ethereum/core/HeaderDecodingHelpers.java         | 12 ++++++++++++
 .../pantheon/ethereum/core/InMemoryWorldState.java   | 12 ++++++++++++
 .../ethereum/core/MessageFrameTestFixture.java       | 12 ++++++++++++
 .../ethereum/core/MiningParametersTestBuilder.java   | 12 ++++++++++++
 .../pantheon/ethereum/core/TestCodeExecutor.java     | 12 ++++++++++++
 .../ethereum/core/TransactionTestFixture.java        | 12 ++++++++++++
 .../ethereum/blockcreation/BlockMinerTest.java       | 12 ++++++++++++
 .../blockcreation/BlockTransactionSelectorTest.java  | 12 ++++++++++++
 .../blockcreation/DefaultBlockSchedulerTest.java     | 12 ++++++++++++
 .../blockcreation/EthHashMinerExecutorTest.java      | 12 ++++++++++++
 .../blockcreation/EthHashMiningCoordinatorTest.java  | 12 ++++++++++++
 .../IncrementingNonceGeneratorTest.java              | 12 ++++++++++++
 .../pantheon/ethereum/chain/GenesisConfigTest.java   | 12 ++++++++++++
 .../ethereum/core/AccountTransactionOrderTest.java   | 12 ++++++++++++
 .../pantheon/ethereum/core/BlockHeaderMock.java      | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/core/HashTest.java     | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/core/LogTest.java | 12 ++++++++++++
 .../pantheon/ethereum/core/LogsBloomFilterTest.java  | 12 ++++++++++++
 .../ethereum/core/LogsBloomFilterTestCaseSpec.java   | 12 ++++++++++++
 .../ethereum/core/PendingTransactionsTest.java       | 12 ++++++++++++
 .../ethereum/core/TransactionIntegrationTest.java    | 12 ++++++++++++
 .../pantheon/ethereum/core/TransactionPoolTest.java  | 12 ++++++++++++
 .../ethereum/core/TransactionReceiptTest.java        | 12 ++++++++++++
 .../pantheon/ethereum/core/TransactionTest.java      | 12 ++++++++++++
 .../ethereum/core/TransactionTestCaseSpec.java       | 12 ++++++++++++
 .../ethereum/db/DefaultMutableBlockchainTest.java    | 12 ++++++++++++
 .../development/DevelopmentProtocolScheduleTest.java | 12 ++++++++++++
 .../ethereum/mainnet/BlockHeaderValidatorTest.java   | 12 ++++++++++++
 .../ethereum/mainnet/BodyValidationTest.java         | 12 ++++++++++++
 .../mainnet/ConstantinopleSstoreGasTest.java         | 12 ++++++++++++
 .../ethereum/mainnet/EthHashBlockCreatorTest.java    | 12 ++++++++++++
 .../pantheon/ethereum/mainnet/EthHashSolverTest.java | 12 ++++++++++++
 .../pantheon/ethereum/mainnet/EthHashTest.java       | 12 ++++++++++++
 .../pantheon/ethereum/mainnet/EthHasherTest.java     | 12 ++++++++++++
 .../mainnet/MainnetBlockHeaderValidatorTest.java     | 12 ++++++++++++
 .../ethereum/mainnet/MainnetBlockProcessorTest.java  | 12 ++++++++++++
 .../mainnet/MainnetProtocolScheduleTest.java         | 12 ++++++++++++
 .../mainnet/MainnetTransactionValidatorTest.java     | 12 ++++++++++++
 .../ethereum/mainnet/ProtocolScheduleTest.java       | 12 ++++++++++++
 .../ethereum/mainnet/ValidationResultTest.java       | 12 ++++++++++++
 .../ethereum/mainnet/ValidationTestUtils.java        | 12 ++++++++++++
 .../AncestryValidationRuleTest.java                  | 12 ++++++++++++
 .../ConstantFieldValidationRuleTest.java             | 12 ++++++++++++
 .../ExtraDataMaxLengthValidationRuleTest.java        | 12 ++++++++++++
 .../GasLimitRangeAndDeltaValidationRuleTest.java     | 12 ++++++++++++
 .../GasUsageValidationRuleTest.java                  | 12 ++++++++++++
 .../TimestampValidationRuleTest.java                 | 12 ++++++++++++
 .../precompiles/ECRECPrecompiledContractTest.java    | 12 ++++++++++++
 .../ethereum/testutil/BlockDataGenerator.java        | 12 ++++++++++++
 .../util/BlockchainUtilParameterizedTest.java        | 12 ++++++++++++
 .../pantheon/ethereum/vm/AbstractRetryingTest.java   | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/vm/AddressMock.java    | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/vm/AddressTest.java    | 12 ++++++++++++
 .../pantheon/ethereum/vm/BlockHashLookupTest.java    | 12 ++++++++++++
 .../ethereum/vm/BlockchainReferenceTestCaseSpec.java | 12 ++++++++++++
 .../ethereum/vm/BlockchainReferenceTestTools.java    | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/vm/CodeMock.java  | 12 ++++++++++++
 .../ethereum/vm/DebugOperationTracerTest.java        | 12 ++++++++++++
 .../pantheon/ethereum/vm/EnvironmentInformation.java | 12 ++++++++++++
 .../ethereum/vm/GeneralStateReferenceTestTools.java  | 12 ++++++++++++
 .../ethereum/vm/GeneralStateTestCaseEipSpec.java     | 12 ++++++++++++
 .../ethereum/vm/GeneralStateTestCaseSpec.java        | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/vm/LogMock.java   | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/vm/MemoryTest.java     | 12 ++++++++++++
 .../ethereum/vm/PreAllocatedOperandStackTest.java    | 12 ++++++++++++
 .../ethereum/vm/ReferenceTestProtocolSchedules.java  | 12 ++++++++++++
 .../ethereum/vm/StateTestVersionedTransaction.java   | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/vm/TestBlockchain.java | 12 ++++++++++++
 .../pantheon/ethereum/vm/VMReferenceTest.java        | 12 ++++++++++++
 .../ethereum/vm/VMReferenceTestCaseSpec.java         | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/vm/WorldStateMock.java | 12 ++++++++++++
 .../vm/operations/BlockHashOperationTest.java        | 12 ++++++++++++
 .../ConstantinopleSStoreOperationGasCostTest.java    | 12 ++++++++++++
 .../ethereum/vm/operations/Create2OperationTest.java | 12 ++++++++++++
 .../vm/operations/ExtCodeHashOperationTest.java      | 12 ++++++++++++
 .../ethereum/vm/operations/SarOperationTest.java     | 12 ++++++++++++
 .../ethereum/vm/operations/ShlOperationTest.java     | 12 ++++++++++++
 .../ethereum/vm/operations/ShrOperationTest.java     | 12 ++++++++++++
 .../worldstate/DefaultMutableWorldStateTest.java     | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/eth/EthProtocol.java   | 12 ++++++++++++
 .../ethereum/eth/manager/AbstractEthTask.java        | 12 ++++++++++++
 .../eth/manager/AbstractPeerRequestTask.java         | 12 ++++++++++++
 .../ethereum/eth/manager/AbstractPeerTask.java       | 12 ++++++++++++
 .../eth/manager/AbstractRetryingPeerTask.java        | 12 ++++++++++++
 .../pantheon/ethereum/eth/manager/ChainState.java    | 12 ++++++++++++
 .../pantheon/ethereum/eth/manager/EthContext.java    | 12 ++++++++++++
 .../pantheon/ethereum/eth/manager/EthMessage.java    | 12 ++++++++++++
 .../pantheon/ethereum/eth/manager/EthMessages.java   | 12 ++++++++++++
 .../pantheon/ethereum/eth/manager/EthPeer.java       | 12 ++++++++++++
 .../pantheon/ethereum/eth/manager/EthPeers.java      | 12 ++++++++++++
 .../ethereum/eth/manager/EthProtocolManager.java     | 12 ++++++++++++
 .../pantheon/ethereum/eth/manager/EthScheduler.java  | 12 ++++++++++++
 .../pantheon/ethereum/eth/manager/EthServer.java     | 12 ++++++++++++
 .../pantheon/ethereum/eth/manager/EthTask.java       | 12 ++++++++++++
 .../ethereum/eth/manager/PeerReputation.java         | 12 ++++++++++++
 .../ethereum/eth/manager/RequestManager.java         | 12 ++++++++++++
 .../eth/manager/exceptions/EthTaskException.java     | 12 ++++++++++++
 .../exceptions/IncompleteResultsException.java       | 12 ++++++++++++
 .../exceptions/MaxRetriesReachedException.java       | 12 ++++++++++++
 .../exceptions/NoAvailablePeersException.java        | 12 ++++++++++++
 .../exceptions/PeerBreachedProtocolException.java    | 12 ++++++++++++
 .../exceptions/PeerDisconnectedException.java        | 12 ++++++++++++
 .../ethereum/eth/messages/BlockBodiesMessage.java    | 12 ++++++++++++
 .../ethereum/eth/messages/BlockHeadersMessage.java   | 12 ++++++++++++
 .../pantheon/ethereum/eth/messages/EthPV62.java      | 12 ++++++++++++
 .../pantheon/ethereum/eth/messages/EthPV63.java      | 12 ++++++++++++
 .../ethereum/eth/messages/GetBlockBodiesMessage.java | 12 ++++++++++++
 .../eth/messages/GetBlockHeadersMessage.java         | 12 ++++++++++++
 .../ethereum/eth/messages/GetNodeDataMessage.java    | 12 ++++++++++++
 .../ethereum/eth/messages/GetReceiptsMessage.java    | 12 ++++++++++++
 .../ethereum/eth/messages/NewBlockHashesMessage.java | 12 ++++++++++++
 .../ethereum/eth/messages/NewBlockMessage.java       | 12 ++++++++++++
 .../ethereum/eth/messages/NodeDataMessage.java       | 12 ++++++++++++
 .../ethereum/eth/messages/ReceiptsMessage.java       | 12 ++++++++++++
 .../ethereum/eth/messages/StatusMessage.java         | 12 ++++++++++++
 .../ethereum/eth/messages/TransactionsMessage.java   | 12 ++++++++++++
 .../ethereum/eth/sync/BlockPropagationManager.java   | 12 ++++++++++++
 .../pantheon/ethereum/eth/sync/ChainHeadTracker.java | 12 ++++++++++++
 .../ethereum/eth/sync/DefaultSynchronizer.java       | 12 ++++++++++++
 .../pantheon/ethereum/eth/sync/Downloader.java       | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/eth/sync/SyncMode.java | 12 ++++++++++++
 .../ethereum/eth/sync/SynchronizerConfiguration.java | 12 ++++++++++++
 .../ethereum/eth/sync/TrailingPeerLimiter.java       | 12 ++++++++++++
 .../ethereum/eth/sync/state/FastSyncState.java       | 12 ++++++++++++
 .../ethereum/eth/sync/state/PendingBlocks.java       | 12 ++++++++++++
 .../pantheon/ethereum/eth/sync/state/SyncState.java  | 12 ++++++++++++
 .../pantheon/ethereum/eth/sync/state/SyncTarget.java | 12 ++++++++++++
 .../sync/tasks/AbstractGetHeadersFromPeerTask.java   | 12 ++++++++++++
 .../ethereum/eth/sync/tasks/CompleteBlocksTask.java  | 12 ++++++++++++
 .../eth/sync/tasks/DetermineCommonAncestorTask.java  | 12 ++++++++++++
 .../eth/sync/tasks/DownloadHeaderSequenceTask.java   | 12 ++++++++++++
 .../eth/sync/tasks/GetBlockFromPeerTask.java         | 12 ++++++++++++
 .../eth/sync/tasks/GetBodiesFromPeerTask.java        | 12 ++++++++++++
 .../eth/sync/tasks/GetHeadersFromPeerByHashTask.java | 12 ++++++++++++
 .../sync/tasks/GetHeadersFromPeerByNumberTask.java   | 12 ++++++++++++
 .../ethereum/eth/sync/tasks/ImportBlocksTask.java    | 12 ++++++++++++
 .../ethereum/eth/sync/tasks/PersistBlockTask.java    | 12 ++++++++++++
 .../sync/tasks/PipelinedImportChainSegmentTask.java  | 12 ++++++++++++
 .../ethereum/eth/sync/tasks/WaitForPeerTask.java     | 12 ++++++++++++
 .../ethereum/eth/sync/tasks/WaitForPeersTask.java    | 12 ++++++++++++
 .../sync/tasks/exceptions/InvalidBlockException.java | 12 ++++++++++++
 .../eth/transactions/PeerTransactionTracker.java     | 12 ++++++++++++
 .../eth/transactions/TransactionPoolFactory.java     | 12 ++++++++++++
 .../ethereum/eth/transactions/TransactionSender.java | 12 ++++++++++++
 .../eth/transactions/TransactionsMessageHandler.java | 12 ++++++++++++
 .../transactions/TransactionsMessageProcessor.java   | 12 ++++++++++++
 .../eth/transactions/TransactionsMessageSender.java  | 12 ++++++++++++
 .../ethereum/eth/manager/AbstractEthTaskTest.java    | 12 ++++++++++++
 .../ethereum/eth/manager/ChainStateTest.java         | 12 ++++++++++++
 .../eth/manager/DeterministicEthScheduler.java       | 12 ++++++++++++
 .../pantheon/ethereum/eth/manager/EthPeerTest.java   | 12 ++++++++++++
 .../pantheon/ethereum/eth/manager/EthPeersTest.java  | 12 ++++++++++++
 .../ethereum/eth/manager/EthProtocolManagerTest.java | 12 ++++++++++++
 .../eth/manager/EthProtocolManagerTestUtil.java      | 12 ++++++++++++
 .../ethereum/eth/manager/EthSchedulerTest.java       | 12 ++++++++++++
 .../pantheon/ethereum/eth/manager/MockEthTask.java   | 12 ++++++++++++
 .../ethereum/eth/manager/MockExecutorService.java    | 12 ++++++++++++
 .../ethereum/eth/manager/MockPeerConnection.java     | 12 ++++++++++++
 .../ethereum/eth/manager/MockScheduledExecutor.java  | 12 ++++++++++++
 .../ethereum/eth/manager/PeerReputationTest.java     | 12 ++++++++++++
 .../ethereum/eth/manager/RequestManagerTest.java     | 12 ++++++++++++
 .../ethereum/eth/manager/RespondingEthPeer.java      | 12 ++++++++++++
 .../ethtaskutils/AbstractMessageTaskTest.java        | 12 ++++++++++++
 .../manager/ethtaskutils/BlockchainSetupUtil.java    | 12 ++++++++++++
 .../manager/ethtaskutils/PeerMessageTaskTest.java    | 12 ++++++++++++
 .../ethtaskutils/RetryingMessageTaskTest.java        | 12 ++++++++++++
 .../eth/messages/BlockBodiesMessageTest.java         | 12 ++++++++++++
 .../eth/messages/BlockHeadersMessageTest.java        | 12 ++++++++++++
 .../eth/messages/GetBlockBodiesMessageTest.java      | 12 ++++++++++++
 .../eth/messages/GetBlockHeadersMessageTest.java     | 12 ++++++++++++
 .../eth/messages/GetNodeDataMessageTest.java         | 12 ++++++++++++
 .../eth/messages/GetReceiptsMessageTest.java         | 12 ++++++++++++
 .../eth/messages/NewBlockHashesMessageTest.java      | 12 ++++++++++++
 .../ethereum/eth/messages/NewBlockMessageTest.java   | 12 ++++++++++++
 .../ethereum/eth/messages/NodeDataMessageTest.java   | 12 ++++++++++++
 .../ethereum/eth/messages/ReceiptsMessageTest.java   | 12 ++++++++++++
 .../ethereum/eth/messages/StatusMessageTest.java     | 12 ++++++++++++
 .../eth/messages/TransactionsMessageTest.java        | 12 ++++++++++++
 .../eth/sync/BlockPropagationManagerTest.java        | 12 ++++++++++++
 .../ethereum/eth/sync/ChainHeadTrackerTest.java      | 12 ++++++++++++
 .../pantheon/ethereum/eth/sync/DownloaderTest.java   | 12 ++++++++++++
 .../ethereum/eth/sync/TrailingPeerLimiterTest.java   | 12 ++++++++++++
 .../ethereum/eth/sync/state/PendingBlocksTest.java   | 12 ++++++++++++
 .../eth/sync/tasks/CompleteBlocksTaskTest.java       | 12 ++++++++++++
 ...DetermineCommonAncestorTaskParameterizedTest.java | 12 ++++++++++++
 .../sync/tasks/DetermineCommonAncestorTaskTest.java  | 12 ++++++++++++
 .../sync/tasks/DownloadHeaderSequenceTaskTest.java   | 12 ++++++++++++
 .../eth/sync/tasks/GetBlockFromPeerTaskTest.java     | 12 ++++++++++++
 .../eth/sync/tasks/GetBodiesFromPeerTaskTest.java    | 12 ++++++++++++
 .../sync/tasks/GetHeadersFromPeerByHashTaskTest.java | 12 ++++++++++++
 .../tasks/GetHeadersFromPeerByNumberTaskTest.java    | 12 ++++++++++++
 .../eth/sync/tasks/ImportBlocksTaskTest.java         | 12 ++++++++++++
 .../eth/sync/tasks/PersistBlockTaskTest.java         | 12 ++++++++++++
 .../tasks/PipelinedImportChainSegmentTaskTest.java   | 12 ++++++++++++
 .../ethereum/eth/sync/tasks/WaitForPeerTaskTest.java | 12 ++++++++++++
 .../eth/sync/tasks/WaitForPeersTaskTest.java         | 12 ++++++++++++
 .../eth/transactions/PeerTransactionTrackerTest.java | 12 ++++++++++++
 .../pantheon/ethereum/eth/transactions/TestNode.java | 12 ++++++++++++
 .../ethereum/eth/transactions/TestNodeList.java      | 12 ++++++++++++
 .../transactions/TransactionPoolPropagationTest.java | 12 ++++++++++++
 .../TransactionsMessageProcessorTest.java            | 12 ++++++++++++
 .../transactions/TransactionsMessageSenderTest.java  | 12 ++++++++++++
 .../ethereum/jsonrpc/BlockchainImporter.java         | 12 ++++++++++++
 .../ethereum/jsonrpc/JsonRpcResponseKey.java         | 12 ++++++++++++
 .../ethereum/jsonrpc/JsonRpcResponseUtils.java       | 12 ++++++++++++
 .../ethereum/jsonrpc/JsonRpcTestMethodsFactory.java  | 12 ++++++++++++
 .../jsonrpc/methods/EthCallIntegrationTest.java      | 12 ++++++++++++
 .../methods/EthEstimateGasIntegrationTest.java       | 12 ++++++++++++
 .../methods/EthGetBlockByHashIntegrationTest.java    | 12 ++++++++++++
 .../methods/EthGetBlockByNumberIntegrationTest.java  | 12 ++++++++++++
 .../methods/EthGetFilterChangesIntegrationTest.java  | 12 ++++++++++++
 ...thGetUncleByBlockHashAndIndexIntegrationTest.java | 12 ++++++++++++
 ...GetUncleByBlockNumberAndIndexIntegrationTest.java | 12 ++++++++++++
 .../ethereum/jsonrpc/JsonRpcConfiguration.java       | 12 ++++++++++++
 .../ethereum/jsonrpc/JsonRpcErrorConverter.java      | 12 ++++++++++++
 .../ethereum/jsonrpc/JsonRpcHttpService.java         | 12 ++++++++++++
 .../ethereum/jsonrpc/JsonRpcMethodsFactory.java      | 12 ++++++++++++
 .../ethereum/jsonrpc/JsonRpcServiceException.java    | 12 ++++++++++++
 .../ethereum/jsonrpc/internal/JsonRpcRequest.java    | 12 ++++++++++++
 .../ethereum/jsonrpc/internal/JsonRpcRequestId.java  | 12 ++++++++++++
 .../internal/exception/InvalidJsonRpcParameters.java | 12 ++++++++++++
 .../exception/InvalidJsonRpcRequestException.java    | 12 ++++++++++++
 .../jsonrpc/internal/filter/BlockFilter.java         | 12 ++++++++++++
 .../ethereum/jsonrpc/internal/filter/Filter.java     | 12 ++++++++++++
 .../jsonrpc/internal/filter/FilterIdGenerator.java   | 12 ++++++++++++
 .../jsonrpc/internal/filter/FilterManager.java       | 12 ++++++++++++
 .../jsonrpc/internal/filter/FilterRepository.java    | 12 ++++++++++++
 .../internal/filter/FilterTimeoutMonitor.java        | 12 ++++++++++++
 .../ethereum/jsonrpc/internal/filter/LogFilter.java  | 12 ++++++++++++
 .../ethereum/jsonrpc/internal/filter/LogsQuery.java  | 12 ++++++++++++
 .../internal/filter/PendingTransactionFilter.java    | 12 ++++++++++++
 .../methods/AbstractBlockParameterMethod.java        | 12 ++++++++++++
 .../jsonrpc/internal/methods/AdminPeers.java         | 12 ++++++++++++
 .../internal/methods/DebugStorageRangeAt.java        | 12 ++++++++++++
 .../internal/methods/DebugTraceTransaction.java      | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthAccounts.java        | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthBlockNumber.java     | 12 ++++++++++++
 .../ethereum/jsonrpc/internal/methods/EthCall.java   | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthCoinbase.java        | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthEstimateGas.java     | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthGasPrice.java        | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthGetBalance.java      | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthGetBlockByHash.java  | 12 ++++++++++++
 .../internal/methods/EthGetBlockByNumber.java        | 12 ++++++++++++
 .../methods/EthGetBlockTransactionCountByHash.java   | 12 ++++++++++++
 .../methods/EthGetBlockTransactionCountByNumber.java | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthGetCode.java         | 12 ++++++++++++
 .../internal/methods/EthGetFilterChanges.java        | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthGetFilterLogs.java   | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthGetLogs.java         | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthGetStorageAt.java    | 12 ++++++++++++
 .../EthGetTransactionByBlockHashAndIndex.java        | 12 ++++++++++++
 .../EthGetTransactionByBlockNumberAndIndex.java      | 12 ++++++++++++
 .../internal/methods/EthGetTransactionByHash.java    | 12 ++++++++++++
 .../internal/methods/EthGetTransactionCount.java     | 12 ++++++++++++
 .../internal/methods/EthGetTransactionReceipt.java   | 12 ++++++++++++
 .../methods/EthGetUncleByBlockHashAndIndex.java      | 12 ++++++++++++
 .../methods/EthGetUncleByBlockNumberAndIndex.java    | 12 ++++++++++++
 .../methods/EthGetUncleCountByBlockHash.java         | 12 ++++++++++++
 .../methods/EthGetUncleCountByBlockNumber.java       | 12 ++++++++++++
 .../ethereum/jsonrpc/internal/methods/EthMining.java | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthNewBlockFilter.java  | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthNewFilter.java       | 12 ++++++++++++
 .../methods/EthNewPendingTransactionFilter.java      | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthProtocolVersion.java | 12 ++++++++++++
 .../internal/methods/EthSendRawTransaction.java      | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthSyncing.java         | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthUninstallFilter.java | 12 ++++++++++++
 .../jsonrpc/internal/methods/JsonRpcMethod.java      | 12 ++++++++++++
 .../jsonrpc/internal/methods/NetListening.java       | 12 ++++++++++++
 .../jsonrpc/internal/methods/NetPeerCount.java       | 12 ++++++++++++
 .../jsonrpc/internal/methods/NetVersion.java         | 12 ++++++++++++
 .../jsonrpc/internal/methods/Web3ClientVersion.java  | 12 ++++++++++++
 .../ethereum/jsonrpc/internal/methods/Web3Sha3.java  | 12 ++++++++++++
 .../internal/methods/miner/MinerSetCoinbase.java     | 12 ++++++++++++
 .../internal/methods/miner/MinerSetEtherbase.java    | 12 ++++++++++++
 .../jsonrpc/internal/methods/miner/MinerStart.java   | 12 ++++++++++++
 .../jsonrpc/internal/methods/miner/MinerStop.java    | 12 ++++++++++++
 .../jsonrpc/internal/parameters/BlockParameter.java  | 12 ++++++++++++
 .../jsonrpc/internal/parameters/CallParameter.java   | 12 ++++++++++++
 .../jsonrpc/internal/parameters/FilterParameter.java | 12 ++++++++++++
 .../internal/parameters/JsonRpcParameter.java        | 12 ++++++++++++
 .../jsonrpc/internal/parameters/TopicsParameter.java | 12 ++++++++++++
 .../internal/parameters/UInt256Parameter.java        | 12 ++++++++++++
 .../internal/parameters/UnsignedIntParameter.java    | 12 ++++++++++++
 .../internal/parameters/UnsignedLongParameter.java   | 12 ++++++++++++
 .../jsonrpc/internal/processor/BlockReplay.java      | 12 ++++++++++++
 .../jsonrpc/internal/processor/TransactionTrace.java | 12 ++++++++++++
 .../internal/processor/TransactionTraceParams.java   | 12 ++++++++++++
 .../internal/processor/TransactionTracer.java        | 12 ++++++++++++
 .../TransientTransactionProcessingResult.java        | 12 ++++++++++++
 .../processor/TransientTransactionProcessor.java     | 12 ++++++++++++
 .../jsonrpc/internal/queries/BlockWithMetadata.java  | 12 ++++++++++++
 .../jsonrpc/internal/queries/BlockchainQueries.java  | 12 ++++++++++++
 .../jsonrpc/internal/queries/LogWithMetadata.java    | 12 ++++++++++++
 .../queries/TransactionReceiptWithMetadata.java      | 12 ++++++++++++
 .../internal/queries/TransactionWithMetadata.java    | 12 ++++++++++++
 .../jsonrpc/internal/response/JsonRpcError.java      | 12 ++++++++++++
 .../internal/response/JsonRpcErrorResponse.java      | 12 ++++++++++++
 .../jsonrpc/internal/response/JsonRpcNoResponse.java | 12 ++++++++++++
 .../jsonrpc/internal/response/JsonRpcResponse.java   | 12 ++++++++++++
 .../internal/response/JsonRpcResponseType.java       | 12 ++++++++++++
 .../internal/response/JsonRpcSuccessResponse.java    | 12 ++++++++++++
 .../jsonrpc/internal/results/BlockResult.java        | 12 ++++++++++++
 .../jsonrpc/internal/results/BlockResultFactory.java | 12 ++++++++++++
 .../internal/results/DebugStorageRangeAtResult.java  | 12 ++++++++++++
 .../results/DebugTraceTransactionResult.java         | 12 ++++++++++++
 .../jsonrpc/internal/results/JsonRpcResult.java      | 12 ++++++++++++
 .../ethereum/jsonrpc/internal/results/LogResult.java | 12 ++++++++++++
 .../jsonrpc/internal/results/LogsResult.java         | 12 ++++++++++++
 .../jsonrpc/internal/results/NetworkResult.java      | 12 ++++++++++++
 .../jsonrpc/internal/results/PeerResult.java         | 12 ++++++++++++
 .../ethereum/jsonrpc/internal/results/Quantity.java  | 12 ++++++++++++
 .../ethereum/jsonrpc/internal/results/StructLog.java | 12 ++++++++++++
 .../jsonrpc/internal/results/StructLogWithError.java | 12 ++++++++++++
 .../jsonrpc/internal/results/SyncingResult.java      | 12 ++++++++++++
 .../internal/results/TransactionCompleteResult.java  | 12 ++++++++++++
 .../internal/results/TransactionHashResult.java      | 12 ++++++++++++
 .../internal/results/TransactionPendingResult.java   | 12 ++++++++++++
 .../results/TransactionReceiptLogResult.java         | 12 ++++++++++++
 .../internal/results/TransactionReceiptResult.java   | 12 ++++++++++++
 .../results/TransactionReceiptRootResult.java        | 12 ++++++++++++
 .../results/TransactionReceiptStatusResult.java      | 12 ++++++++++++
 .../jsonrpc/internal/results/TransactionResult.java  | 12 ++++++++++++
 .../jsonrpc/internal/results/UncleBlockResult.java   | 12 ++++++++++++
 .../jsonrpc/websocket/WebSocketConfiguration.java    | 12 ++++++++++++
 .../jsonrpc/websocket/WebSocketRequestHandler.java   | 12 ++++++++++++
 .../ethereum/jsonrpc/websocket/WebSocketService.java | 12 ++++++++++++
 .../methods/AbstractSubscriptionMethod.java          | 12 ++++++++++++
 .../jsonrpc/websocket/methods/EthSubscribe.java      | 12 ++++++++++++
 .../jsonrpc/websocket/methods/EthUnsubscribe.java    | 12 ++++++++++++
 .../websocket/methods/WebSocketMethodsFactory.java   | 12 ++++++++++++
 .../websocket/methods/WebSocketRpcRequest.java       | 12 ++++++++++++
 .../jsonrpc/websocket/subscription/Subscription.java | 12 ++++++++++++
 .../websocket/subscription/SubscriptionBuilder.java  | 12 ++++++++++++
 .../websocket/subscription/SubscriptionManager.java  | 12 ++++++++++++
 .../subscription/SubscriptionNotFoundException.java  | 12 ++++++++++++
 .../blockheaders/NewBlockHeadersSubscription.java    | 12 ++++++++++++
 .../NewBlockHeadersSubscriptionService.java          | 12 ++++++++++++
 .../subscription/logs/LogsSubscription.java          | 12 ++++++++++++
 .../subscription/logs/LogsSubscriptionService.java   | 12 ++++++++++++
 .../pending/PendingTransactionResult.java            | 12 ++++++++++++
 .../PendingTransactionSubscriptionService.java       | 12 ++++++++++++
 .../request/InvalidRequestException.java             | 12 ++++++++++++
 .../request/InvalidSubscriptionRequestException.java | 12 ++++++++++++
 .../subscription/request/LogsSubscriptionParam.java  | 12 ++++++++++++
 .../request/NewBlockHeadersSubscriptionParam.java    | 12 ++++++++++++
 .../subscription/request/SubscribeRequest.java       | 12 ++++++++++++
 .../request/SubscriptionRequestMapper.java           | 12 ++++++++++++
 .../subscription/request/SubscriptionType.java       | 12 ++++++++++++
 .../subscription/request/UnsubscribeRequest.java     | 12 ++++++++++++
 .../subscription/response/SubscriptionResponse.java  | 12 ++++++++++++
 .../response/SubscriptionResponseResult.java         | 12 ++++++++++++
 .../subscription/syncing/NotSynchronisingResult.java | 12 ++++++++++++
 .../subscription/syncing/SyncingSubscription.java    | 12 ++++++++++++
 .../syncing/SyncingSubscriptionService.java          | 12 ++++++++++++
 .../jsonrpc/AbstractEthJsonRpcHttpServiceTest.java   | 12 ++++++++++++
 .../jsonrpc/AdminJsonRpcHttpServiceTest.java         | 12 ++++++++++++
 .../ethereum/jsonrpc/EthJsonRpcHttpBySpecTest.java   | 12 ++++++++++++
 .../ethereum/jsonrpc/JsonRpcConfigurationTest.java   | 12 ++++++++++++
 .../ethereum/jsonrpc/JsonRpcHttpServiceCorsTest.java | 12 ++++++++++++
 .../jsonrpc/JsonRpcHttpServiceRpcApisTest.java       | 12 ++++++++++++
 .../ethereum/jsonrpc/JsonRpcHttpServiceTest.java     | 12 ++++++++++++
 .../pantheon/ethereum/jsonrpc/JsonRpcTestHelper.java | 12 ++++++++++++
 .../ethereum/jsonrpc/MockPeerConnection.java         | 12 ++++++++++++
 .../internal/filter/EthJsonRpcHttpServiceTest.java   | 12 ++++++++++++
 .../internal/filter/FilterIdGeneratorTest.java       | 12 ++++++++++++
 .../internal/filter/FilterManagerLogFilterTest.java  | 12 ++++++++++++
 .../jsonrpc/internal/filter/FilterManagerTest.java   | 12 ++++++++++++
 .../internal/filter/FilterRepositoryTest.java        | 12 ++++++++++++
 .../ethereum/jsonrpc/internal/filter/FilterTest.java | 12 ++++++++++++
 .../internal/filter/FilterTimeoutMonitorTest.java    | 12 ++++++++++++
 .../jsonrpc/internal/filter/LogsQueryTest.java       | 12 ++++++++++++
 .../jsonrpc/internal/methods/AdminPeersTest.java     | 12 ++++++++++++
 .../internal/methods/DebugStorageRangeAtTest.java    | 12 ++++++++++++
 .../internal/methods/DebugTraceTransactionTest.java  | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthCallTest.java        | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthCoinbaseTest.java    | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthEstimateGasTest.java | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthGasPriceTest.java    | 12 ++++++++++++
 .../internal/methods/EthGetBlockByHashTest.java      | 12 ++++++++++++
 .../internal/methods/EthGetFilterChangesTest.java    | 12 ++++++++++++
 .../internal/methods/EthGetFilterLogsTest.java       | 12 ++++++++++++
 .../internal/methods/EthGetTransactionCountTest.java | 12 ++++++++++++
 .../methods/EthGetTransactionReceiptTest.java        | 12 ++++++++++++
 .../methods/EthGetUncleByBlockHashAndIndexTest.java  | 12 ++++++++++++
 .../EthGetUncleByBlockNumberAndIndexTest.java        | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthMiningTest.java      | 12 ++++++++++++
 .../internal/methods/EthNewBlockFilterTest.java      | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthNewFilterTest.java   | 12 ++++++++++++
 .../internal/methods/EthProtocolVersionTest.java     | 12 ++++++++++++
 .../internal/methods/EthSendRawTransactionTest.java  | 12 ++++++++++++
 .../jsonrpc/internal/methods/EthSyncingTest.java     | 12 ++++++++++++
 .../jsonrpc/internal/methods/NetListeningTest.java   | 12 ++++++++++++
 .../methods/TransientTransactionProcessorTest.java   | 12 ++++++++++++
 .../jsonrpc/internal/methods/Web3Sha3Test.java       | 12 ++++++++++++
 .../internal/methods/miner/MinerSetCoinbaseTest.java | 12 ++++++++++++
 .../methods/miner/MinerSetEtherbaseTest.java         | 12 ++++++++++++
 .../internal/methods/miner/MinerStartTest.java       | 12 ++++++++++++
 .../internal/methods/miner/MinerStopTest.java        | 12 ++++++++++++
 .../internal/parameters/FilterParameterTest.java     | 12 ++++++++++++
 .../internal/processor/TransactionTracerTest.java    | 12 ++++++++++++
 .../TransientTransactionProcessingResultTest.java    | 12 ++++++++++++
 .../internal/queries/BlockchainQueriesTest.java      | 12 ++++++++++++
 .../jsonrpc/internal/results/NetworkResultTest.java  | 12 ++++++++++++
 .../websocket/WebSocketConfigurationTest.java        | 12 ++++++++++++
 .../websocket/WebSocketRequestHandlerTest.java       | 12 ++++++++++++
 .../jsonrpc/websocket/WebSocketServiceTest.java      | 12 ++++++++++++
 .../methods/EthSubscribeIntegrationTest.java         | 12 ++++++++++++
 .../jsonrpc/websocket/methods/EthSubscribeTest.java  | 12 ++++++++++++
 .../methods/EthUnsubscribeIntegrationTest.java       | 12 ++++++++++++
 .../websocket/methods/EthUnsubscribeTest.java        | 12 ++++++++++++
 .../methods/WebSocketMethodsFactoryTest.java         | 12 ++++++++++++
 .../subscription/SubscriptionBuilderTest.java        | 12 ++++++++++++
 .../SubscriptionManagerSendMessageTest.java          | 12 ++++++++++++
 .../subscription/SubscriptionManagerTest.java        | 12 ++++++++++++
 .../NewBlockHeadersSubscriptionServiceTest.java      | 12 ++++++++++++
 .../logs/LogsSubscriptionServiceTest.java            | 12 ++++++++++++
 .../PendingTransactionSubscriptionServiceTest.java   | 12 ++++++++++++
 .../request/SubscriptionRequestMapperTest.java       | 12 ++++++++++++
 .../syncing/SyncingSubscriptionServiceTest.java      | 12 ++++++++++++
 .../pantheon/ethereum/p2p/testing/MockNetwork.java   | 12 ++++++++++++
 .../ethereum/p2p/testing/MockNetworkTest.java        | 12 ++++++++++++
 .../pantheon/ethereum/p2p/NetworkMemoryPool.java     | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/p2p/NetworkRunner.java | 12 ++++++++++++
 .../ethereum/p2p/api/DisconnectCallback.java         | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/p2p/api/Message.java   | 12 ++++++++++++
 .../pantheon/ethereum/p2p/api/MessageData.java       | 12 ++++++++++++
 .../pantheon/ethereum/p2p/api/P2PNetwork.java        | 12 ++++++++++++
 .../pantheon/ethereum/p2p/api/PeerConnection.java    | 12 ++++++++++++
 .../pantheon/ethereum/p2p/api/ProtocolManager.java   | 12 ++++++++++++
 .../ethereum/p2p/config/DiscoveryConfiguration.java  | 12 ++++++++++++
 .../ethereum/p2p/config/NetworkingConfiguration.java | 12 ++++++++++++
 .../ethereum/p2p/config/RlpxConfiguration.java       | 12 ++++++++++++
 .../p2p/config/SubProtocolConfiguration.java         | 12 ++++++++++++
 .../ethereum/p2p/config/WireProtocolConfig.java      | 12 ++++++++++++
 .../ethereum/p2p/discovery/DiscoveryPeer.java        | 12 ++++++++++++
 .../ethereum/p2p/discovery/PeerDiscoveryAgent.java   | 12 ++++++++++++
 .../ethereum/p2p/discovery/PeerDiscoveryEvent.java   | 12 ++++++++++++
 .../PeerDiscoveryPacketDecodingException.java        | 12 ++++++++++++
 .../p2p/discovery/PeerDiscoveryServiceException.java | 12 ++++++++++++
 .../ethereum/p2p/discovery/PeerDiscoveryStatus.java  | 12 ++++++++++++
 .../ethereum/p2p/discovery/internal/Bucket.java      | 12 ++++++++++++
 .../discovery/internal/FindNeighborsPacketData.java  | 12 ++++++++++++
 .../p2p/discovery/internal/NeighborsPacketData.java  | 12 ++++++++++++
 .../ethereum/p2p/discovery/internal/Packet.java      | 12 ++++++++++++
 .../ethereum/p2p/discovery/internal/PacketData.java  | 12 ++++++++++++
 .../ethereum/p2p/discovery/internal/PacketType.java  | 12 ++++++++++++
 .../discovery/internal/PeerDiscoveryController.java  | 12 ++++++++++++
 .../p2p/discovery/internal/PeerRequirement.java      | 12 ++++++++++++
 .../ethereum/p2p/discovery/internal/PeerTable.java   | 12 ++++++++++++
 .../p2p/discovery/internal/PingPacketData.java       | 12 ++++++++++++
 .../p2p/discovery/internal/PongPacketData.java       | 12 ++++++++++++
 .../p2p/discovery/internal/RetryDelayFunction.java   | 12 ++++++++++++
 .../ethereum/p2p/netty/AbstractHandshakeHandler.java | 12 ++++++++++++
 .../pantheon/ethereum/p2p/netty/ApiHandler.java      | 12 ++++++++++++
 .../pantheon/ethereum/p2p/netty/Callbacks.java       | 12 ++++++++++++
 .../ethereum/p2p/netty/CapabilityMultiplexer.java    | 12 ++++++++++++
 .../pantheon/ethereum/p2p/netty/DeFramer.java        | 12 ++++++++++++
 .../ethereum/p2p/netty/HandshakeHandlerInbound.java  | 12 ++++++++++++
 .../ethereum/p2p/netty/HandshakeHandlerOutbound.java | 12 ++++++++++++
 .../pantheon/ethereum/p2p/netty/MessageFramer.java   | 12 ++++++++++++
 .../pantheon/ethereum/p2p/netty/NettyP2PNetwork.java | 12 ++++++++++++
 .../ethereum/p2p/netty/NettyPeerConnection.java      | 12 ++++++++++++
 .../pantheon/ethereum/p2p/netty/OutboundMessage.java | 12 ++++++++++++
 .../ethereum/p2p/netty/PeerConnectionRegistry.java   | 12 ++++++++++++
 .../pantheon/ethereum/p2p/netty/TimeoutHandler.java  | 12 ++++++++++++
 .../pantheon/ethereum/p2p/netty/WireKeepAlive.java   | 12 ++++++++++++
 .../netty/exceptions/IncompatiblePeerException.java  | 12 ++++++++++++
 .../pantheon/ethereum/p2p/peers/DefaultPeer.java     | 12 ++++++++++++
 .../pantheon/ethereum/p2p/peers/DefaultPeerId.java   | 12 ++++++++++++
 .../pantheon/ethereum/p2p/peers/Endpoint.java        | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/p2p/peers/Peer.java    | 12 ++++++++++++
 .../pantheon/ethereum/p2p/peers/PeerBlacklist.java   | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/p2p/peers/PeerId.java  | 12 ++++++++++++
 .../p2p/rlpx/framing/CompressionException.java       | 12 ++++++++++++
 .../ethereum/p2p/rlpx/framing/Compressor.java        | 12 ++++++++++++
 .../pantheon/ethereum/p2p/rlpx/framing/Framer.java   | 12 ++++++++++++
 .../ethereum/p2p/rlpx/framing/FramingException.java  | 12 ++++++++++++
 .../ethereum/p2p/rlpx/framing/SnappyCompressor.java  | 12 ++++++++++++
 .../p2p/rlpx/handshake/HandshakeException.java       | 12 ++++++++++++
 .../p2p/rlpx/handshake/HandshakeSecrets.java         | 12 ++++++++++++
 .../ethereum/p2p/rlpx/handshake/Handshaker.java      | 12 ++++++++++++
 .../rlpx/handshake/ecies/ECIESEncryptionEngine.java  | 12 ++++++++++++
 .../p2p/rlpx/handshake/ecies/ECIESHandshaker.java    | 12 ++++++++++++
 .../p2p/rlpx/handshake/ecies/EncryptedMessage.java   | 12 ++++++++++++
 .../handshake/ecies/InitiatorHandshakeMessage.java   | 12 ++++++++++++
 .../handshake/ecies/InitiatorHandshakeMessageV1.java | 12 ++++++++++++
 .../handshake/ecies/InitiatorHandshakeMessageV4.java | 12 ++++++++++++
 .../handshake/ecies/ResponderHandshakeMessage.java   | 12 ++++++++++++
 .../handshake/ecies/ResponderHandshakeMessageV1.java | 12 ++++++++++++
 .../handshake/ecies/ResponderHandshakeMessageV4.java | 12 ++++++++++++
 .../pantheon/ethereum/p2p/utils/ByteBufUtils.java    | 12 ++++++++++++
 .../ethereum/p2p/wire/AbstractMessageData.java       | 12 ++++++++++++
 .../pantheon/ethereum/p2p/wire/Capability.java       | 12 ++++++++++++
 .../pantheon/ethereum/p2p/wire/DefaultMessage.java   | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/p2p/wire/PeerInfo.java | 12 ++++++++++++
 .../pantheon/ethereum/p2p/wire/RawMessage.java       | 12 ++++++++++++
 .../pantheon/ethereum/p2p/wire/SubProtocol.java      | 12 ++++++++++++
 .../ethereum/p2p/wire/WireProtocolException.java     | 12 ++++++++++++
 .../p2p/wire/messages/DisconnectMessage.java         | 12 ++++++++++++
 .../ethereum/p2p/wire/messages/EmptyMessage.java     | 12 ++++++++++++
 .../ethereum/p2p/wire/messages/HelloMessage.java     | 12 ++++++++++++
 .../ethereum/p2p/wire/messages/PingMessage.java      | 12 ++++++++++++
 .../ethereum/p2p/wire/messages/PongMessage.java      | 12 ++++++++++++
 .../ethereum/p2p/wire/messages/WireMessageCodes.java | 12 ++++++++++++
 .../pantheon/ethereum/p2p/NettyP2PNetworkTest.java   | 12 ++++++++++++
 .../ethereum/p2p/NetworkingServiceLifecycleTest.java | 12 ++++++++++++
 .../pantheon/ethereum/p2p/NetworkingTestHelper.java  | 12 ++++++++++++
 .../p2p/discovery/AbstractPeerDiscoveryTest.java     | 12 ++++++++++++
 .../p2p/discovery/PeerDiscoveryAgentTest.java        | 12 ++++++++++++
 .../p2p/discovery/PeerDiscoveryBondingTest.java      | 12 ++++++++++++
 .../discovery/PeerDiscoveryBootstrappingTest.java    | 12 ++++++++++++
 .../p2p/discovery/PeerDiscoveryObserversTest.java    | 12 ++++++++++++
 .../discovery/PeerDiscoveryPacketPcapSedesTest.java  | 12 ++++++++++++
 .../p2p/discovery/PeerDiscoveryPacketSedesTest.java  | 12 ++++++++++++
 .../p2p/discovery/PeerDiscoveryTestHelper.java       | 12 ++++++++++++
 .../p2p/discovery/PeerDiscoveryTimestampsTest.java   | 12 ++++++++++++
 .../ethereum/p2p/discovery/internal/BucketTest.java  | 12 ++++++++++++
 .../discovery/internal/MockPacketDataFactory.java    | 12 ++++++++++++
 .../ethereum/p2p/discovery/internal/PacketTest.java  | 12 ++++++++++++
 ...eerDiscoveryControllerDistanceCalculatorTest.java | 12 ++++++++++++
 .../internal/PeerDiscoveryControllerTest.java        | 12 ++++++++++++
 .../internal/PeerDiscoveryTableRefreshTest.java      | 12 ++++++++++++
 .../p2p/discovery/internal/PeerTableTest.java        | 12 ++++++++++++
 .../p2p/netty/CapabilityMultiplexerTest.java         | 12 ++++++++++++
 .../ethereum/p2p/netty/NettyPeerConnectionTest.java  | 12 ++++++++++++
 .../p2p/netty/PeerConnectionRegistryTest.java        | 12 ++++++++++++
 .../ethereum/p2p/peers/PeerBlacklistTest.java        | 12 ++++++++++++
 .../pantheon/ethereum/p2p/peers/PeerTest.java        | 12 ++++++++++++
 .../ethereum/p2p/rlpx/framing/FramerTest.java        | 12 ++++++++++++
 .../p2p/rlpx/framing/SnappyCompressorTest.java       | 12 ++++++++++++
 .../p2p/rlpx/handshake/ecies/ECIESHandshakeTest.java | 12 ++++++++++++
 .../rlpx/handshake/ecies/EncryptedMessageTest.java   | 12 ++++++++++++
 .../ecies/InitiatorHandshakeMessageV4Test.java       | 12 ++++++++++++
 .../ethereum/p2p/wire/WireMessagesSedesTest.java     | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/rlp/RLPBench.java | 12 ++++++++++++
 .../pantheon/ethereum/rlp/AbstractRLPInput.java      | 12 ++++++++++++
 .../pantheon/ethereum/rlp/AbstractRLPOutput.java     | 12 ++++++++++++
 .../pantheon/ethereum/rlp/BytesValueRLPInput.java    | 12 ++++++++++++
 .../pantheon/ethereum/rlp/BytesValueRLPOutput.java   | 12 ++++++++++++
 .../ethereum/rlp/CorruptedRLPInputException.java     | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/rlp/FileRLPInput.java  | 12 ++++++++++++
 .../ethereum/rlp/MalformedRLPInputException.java     | 12 ++++++++++++
 .../java/tech/pegasys/pantheon/ethereum/rlp/RLP.java | 12 ++++++++++++
 .../pantheon/ethereum/rlp/RLPDecodingHelpers.java    | 12 ++++++++++++
 .../pantheon/ethereum/rlp/RLPEncodingHelpers.java    | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/rlp/RLPException.java  | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/rlp/RLPInput.java | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/rlp/RLPOutput.java     | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/rlp/RlpUtils.java | 12 ++++++++++++
 .../pantheon/ethereum/rlp/VertxBufferRLPInput.java   | 12 ++++++++++++
 .../pantheon/ethereum/rlp/VertxBufferRLPOutput.java  | 12 ++++++++++++
 .../ethereum/rlp/BytesValueRLPInputTest.java         | 12 ++++++++++++
 .../ethereum/rlp/BytesValueRLPOutputTest.java        | 12 ++++++++++++
 .../pantheon/ethereum/rlp/InvalidRLPRefTest.java     | 12 ++++++++++++
 .../ethereum/rlp/InvalidRLPRefTestCaseSpec.java      | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/rlp/RLPRefTest.java    | 12 ++++++++++++
 .../pantheon/ethereum/rlp/RLPRefTestCaseSpec.java    | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/trie/BranchNode.java   | 12 ++++++++++++
 .../pantheon/ethereum/trie/CommitVisitor.java        | 12 ++++++++++++
 .../pantheon/ethereum/trie/CompactEncoding.java      | 12 ++++++++++++
 .../pantheon/ethereum/trie/DefaultNodeFactory.java   | 12 ++++++++++++
 .../pantheon/ethereum/trie/ExtensionNode.java        | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/trie/GetVisitor.java   | 12 ++++++++++++
 .../ethereum/trie/KeyValueMerkleStorage.java         | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/trie/LeafNode.java     | 12 ++++++++++++
 .../pantheon/ethereum/trie/MerklePatriciaTrie.java   | 12 ++++++++++++
 .../pantheon/ethereum/trie/MerkleStorage.java        | 12 ++++++++++++
 .../ethereum/trie/MerkleStorageException.java        | 12 ++++++++++++
 .../tech/pegasys/pantheon/ethereum/trie/Node.java    | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/trie/NodeFactory.java  | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/trie/NodeLoader.java   | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/trie/NodeUpdater.java  | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/trie/NodeVisitor.java  | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/trie/NullNode.java     | 12 ++++++++++++
 .../pantheon/ethereum/trie/PathNodeVisitor.java      | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/trie/PutVisitor.java   | 12 ++++++++++++
 .../pantheon/ethereum/trie/RemoveVisitor.java        | 12 ++++++++++++
 .../ethereum/trie/SimpleMerklePatriciaTrie.java      | 12 ++++++++++++
 .../ethereum/trie/StorageEntriesCollector.java       | 12 ++++++++++++
 .../ethereum/trie/StoredMerklePatriciaTrie.java      | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/trie/StoredNode.java   | 12 ++++++++++++
 .../pantheon/ethereum/trie/StoredNodeFactory.java    | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/trie/TrieIterator.java | 12 ++++++++++++
 .../pantheon/ethereum/trie/CompactEncodingTest.java  | 12 ++++++++++++
 .../ethereum/trie/SimpleMerklePatriciaTrieTest.java  | 12 ++++++++++++
 .../ethereum/trie/StoredMerklePatriciaTrieTest.java  | 12 ++++++++++++
 .../pantheon/ethereum/trie/TrieIteratorTest.java     | 12 ++++++++++++
 .../pegasys/pantheon/ethereum/trie/TrieRefTest.java  | 12 ++++++++++++
 .../pantheon/ethereum/trie/TrieRefTestCaseSpec.java  | 12 ++++++++++++
 gradle/spotless.java.license                         | 12 ++++++++++++
 .../main/java/tech/pegasys/pantheon/Pantheon.java    | 12 ++++++++++++
 .../src/main/java/tech/pegasys/pantheon/Runner.java  | 12 ++++++++++++
 .../java/tech/pegasys/pantheon/RunnerBuilder.java    | 12 ++++++++++++
 .../cli/ConfigOptionSearchAndRunHandler.java         | 12 ++++++++++++
 .../tech/pegasys/pantheon/cli/EthNetworkConfig.java  | 12 ++++++++++++
 .../pantheon/cli/ExportPublicKeySubCommand.java      | 12 ++++++++++++
 .../pantheon/cli/ImportBlockchainSubCommand.java     | 12 ++++++++++++
 .../tech/pegasys/pantheon/cli/ImportSubCommand.java  | 12 ++++++++++++
 .../tech/pegasys/pantheon/cli/PantheonCommand.java   | 12 ++++++++++++
 .../pantheon/cli/PantheonControllerBuilder.java      | 12 ++++++++++++
 .../pantheon/cli/TomlConfigFileDefaultProvider.java  | 12 ++++++++++++
 .../tech/pegasys/pantheon/cli/VersionProvider.java   | 12 ++++++++++++
 .../cli/custom/CorsAllowedOriginsProperty.java       | 12 ++++++++++++
 .../controller/CliquePantheonController.java         | 12 ++++++++++++
 .../pantheon/controller/IbftPantheonController.java  | 12 ++++++++++++
 .../pegasys/pantheon/controller/KeyPairUtil.java     | 12 ++++++++++++
 .../controller/MainnetPantheonController.java        | 12 ++++++++++++
 .../pantheon/controller/PantheonController.java      | 12 ++++++++++++
 .../pantheon/management/RestfulRouteBuilder.java     | 12 ++++++++++++
 .../tech/pegasys/pantheon/util/BlockImporter.java    | 12 ++++++++++++
 .../pegasys/pantheon/util/BlockchainImporter.java    | 12 ++++++++++++
 .../test/java/tech/pegasys/pantheon/RunnerTest.java  | 12 ++++++++++++
 .../pegasys/pantheon/cli/CommandTestAbstract.java    | 12 ++++++++++++
 .../cli/ConfigOptionSearchAndRunHandlerTest.java     | 12 ++++++++++++
 .../pantheon/cli/ExportPublicKeySubCommandTest.java  | 12 ++++++++++++
 .../pegasys/pantheon/cli/ImportSubCommandTest.java   | 12 ++++++++++++
 .../pegasys/pantheon/cli/PantheonCommandTest.java    | 12 ++++++++++++
 .../cli/TomlConfigFileDefaultProviderTest.java       | 12 ++++++++++++
 .../pegasys/pantheon/util/BlockImporterTest.java     | 12 ++++++++++++
 .../pantheon/util/BlockchainImporterTest.java        | 12 ++++++++++++
 .../tests/quickstart/DockerQuickstartTest.java       | 12 ++++++++++++
 .../services/kvstore/InMemoryKeyValueStorage.java    | 12 ++++++++++++
 .../pantheon/services/kvstore/KeyValueStorage.java   | 12 ++++++++++++
 .../services/kvstore/RocksDbKeyValueStorage.java     | 12 ++++++++++++
 .../kvstore/AbstractKeyValueStorageTest.java         | 12 ++++++++++++
 .../kvstore/InMemoryKeyValueStorageTest.java         | 12 ++++++++++++
 .../services/kvstore/RocksDbKeyValueStorageTest.java | 12 ++++++++++++
 .../pegasys/pantheon/testutil/BlockTestUtil.java     | 12 ++++++++++++
 .../pantheon/testutil/JsonTestParameters.java        | 12 ++++++++++++
 .../tech/pegasys/pantheon/util/ExceptionUtils.java   | 12 ++++++++++++
 .../tech/pegasys/pantheon/util/NetworkUtility.java   | 12 ++++++++++++
 .../tech/pegasys/pantheon/util/Preconditions.java    | 12 ++++++++++++
 .../java/tech/pegasys/pantheon/util/Subscribers.java | 12 ++++++++++++
 .../pantheon/util/bytes/AbstractBytes32Backed.java   | 12 ++++++++++++
 .../pantheon/util/bytes/AbstractBytesValue.java      | 12 ++++++++++++
 .../pantheon/util/bytes/ArrayWrappingBytes32.java    | 12 ++++++++++++
 .../pantheon/util/bytes/ArrayWrappingBytesValue.java | 12 ++++++++++++
 .../util/bytes/BaseDelegatingBytesValue.java         | 12 ++++++++++++
 .../tech/pegasys/pantheon/util/bytes/Bytes32.java    | 12 ++++++++++++
 .../pegasys/pantheon/util/bytes/Bytes32Backed.java   | 12 ++++++++++++
 .../tech/pegasys/pantheon/util/bytes/Bytes32s.java   | 12 ++++++++++++
 .../pegasys/pantheon/util/bytes/BytesBacked.java     | 12 ++++++++++++
 .../tech/pegasys/pantheon/util/bytes/BytesValue.java | 12 ++++++++++++
 .../pegasys/pantheon/util/bytes/BytesValues.java     | 12 ++++++++++++
 .../pantheon/util/bytes/DelegatingBytes32.java       | 12 ++++++++++++
 .../pantheon/util/bytes/DelegatingBytesValue.java    | 12 ++++++++++++
 .../util/bytes/MutableArrayWrappingBytes32.java      | 12 ++++++++++++
 .../util/bytes/MutableArrayWrappingBytesValue.java   | 12 ++++++++++++
 .../util/bytes/MutableBufferWrappingBytesValue.java  | 12 ++++++++++++
 .../util/bytes/MutableByteBufWrappingBytesValue.java | 12 ++++++++++++
 .../pegasys/pantheon/util/bytes/MutableBytes32.java  | 12 ++++++++++++
 .../pantheon/util/bytes/MutableBytesValue.java       | 12 ++++++++++++
 .../pegasys/pantheon/util/bytes/WrappingBytes32.java | 12 ++++++++++++
 .../java/tech/pegasys/pantheon/util/time/Clock.java  | 12 ++++++++++++
 .../tech/pegasys/pantheon/util/time/SystemClock.java | 12 ++++++++++++
 .../pantheon/util/uint/AbstractUInt256Value.java     | 12 ++++++++++++
 .../pegasys/pantheon/util/uint/BaseUInt256Value.java | 12 ++++++++++++
 .../tech/pegasys/pantheon/util/uint/Counter.java     | 12 ++++++++++++
 .../pegasys/pantheon/util/uint/DefaultInt256.java    | 12 ++++++++++++
 .../pegasys/pantheon/util/uint/DefaultUInt256.java   | 12 ++++++++++++
 .../java/tech/pegasys/pantheon/util/uint/Int256.java | 12 ++++++++++++
 .../tech/pegasys/pantheon/util/uint/Int256Bytes.java | 12 ++++++++++++
 .../tech/pegasys/pantheon/util/uint/UInt256.java     | 12 ++++++++++++
 .../pegasys/pantheon/util/uint/UInt256Bytes.java     | 12 ++++++++++++
 .../pegasys/pantheon/util/uint/UInt256Value.java     | 12 ++++++++++++
 .../tech/pegasys/pantheon/util/uint/UInt256s.java    | 12 ++++++++++++
 .../pegasys/pantheon/util/ExceptionUtilsTest.java    | 12 ++++++++++++
 .../pegasys/pantheon/util/NetworkUtilityTest.java    | 12 ++++++++++++
 .../tech/pegasys/pantheon/util/SubscribersTest.java  | 12 ++++++++++++
 .../pegasys/pantheon/util/bytes/Bytes32Test.java     | 12 ++++++++++++
 .../util/bytes/Bytes32sSingleLeftShiftTest.java      | 12 ++++++++++++
 .../pegasys/pantheon/util/bytes/BytesValueTest.java  | 12 ++++++++++++
 .../pegasys/pantheon/util/bytes/BytesValuesTest.java | 12 ++++++++++++
 .../pegasys/pantheon/util/uint/UInt256BytesTest.java | 12 ++++++++++++
 1097 files changed, 13154 insertions(+)
 create mode 100644 gradle/spotless.java.license

diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/CreateAccountAcceptanceTest.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/CreateAccountAcceptanceTest.java
index 251af54c06..23459ca5f6 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/CreateAccountAcceptanceTest.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/CreateAccountAcceptanceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance;
 
 import static org.web3j.utils.Convert.Unit.ETHER;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/PantheonClusterAcceptanceTest.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/PantheonClusterAcceptanceTest.java
index 3b7e6a95c8..a07ba5f671 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/PantheonClusterAcceptanceTest.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/PantheonClusterAcceptanceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance;
 
 import static tech.pegasys.pantheon.tests.acceptance.dsl.node.PantheonNodeConfig.pantheonMinerNode;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/RpcApisTogglesAcceptanceTest.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/RpcApisTogglesAcceptanceTest.java
index f9dc4dc075..1037944e13 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/RpcApisTogglesAcceptanceTest.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/RpcApisTogglesAcceptanceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/AcceptanceTestBase.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/AcceptanceTestBase.java
index d7c46a8b5f..e27e72891c 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/AcceptanceTestBase.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/AcceptanceTestBase.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl;
 
 import tech.pegasys.pantheon.tests.acceptance.dsl.account.Accounts;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/JsonRpc.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/JsonRpc.java
index a7554a607e..6e4e7fe9c8 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/JsonRpc.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/JsonRpc.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/WaitUtils.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/WaitUtils.java
index c35e98a6cf..88320fb49f 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/WaitUtils.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/WaitUtils.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl;
 
 import java.util.concurrent.TimeUnit;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/account/Account.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/account/Account.java
index 0efa33266e..026d6844ff 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/account/Account.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/account/Account.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl.account;
 
 import tech.pegasys.pantheon.crypto.SECP256K1.KeyPair;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/account/Accounts.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/account/Accounts.java
index f753cb0575..407479d287 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/account/Accounts.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/account/Accounts.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl.account;
 
 import static org.apache.logging.log4j.LogManager.getLogger;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/Cluster.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/Cluster.java
index 8e8249ab82..e9ed5110fe 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/Cluster.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/Cluster.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl.node;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/Eth.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/Eth.java
index cce12a84e9..e33aa2bcc6 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/Eth.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/Eth.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl.node;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/PantheonNode.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/PantheonNode.java
index 3514ca530e..2859472343 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/PantheonNode.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/PantheonNode.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl.node;
 
 import static org.apache.logging.log4j.LogManager.getLogger;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/PantheonNodeConfig.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/PantheonNodeConfig.java
index e471bc5bde..ee7cce71ad 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/PantheonNodeConfig.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/PantheonNodeConfig.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl.node;
 
 import tech.pegasys.pantheon.ethereum.blockcreation.MiningParameters;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/PantheonNodeRunner.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/PantheonNodeRunner.java
index 4c27b2cc24..48948e7ec5 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/PantheonNodeRunner.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/PantheonNodeRunner.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl.node;
 
 import java.io.File;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/ProcessPantheonNodeRunner.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/ProcessPantheonNodeRunner.java
index 04ad640c0c..5bc348554c 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/ProcessPantheonNodeRunner.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/ProcessPantheonNodeRunner.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl.node;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.JsonRpcConfiguration.RpcApis;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/ThreadPantheonNodeRunner.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/ThreadPantheonNodeRunner.java
index 8651e53a48..04e49191f6 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/ThreadPantheonNodeRunner.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/ThreadPantheonNodeRunner.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl.node;
 
 import static tech.pegasys.pantheon.cli.EthNetworkConfig.mainnet;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/Web3.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/Web3.java
index cb3238d0fa..a14487161b 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/Web3.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/node/Web3.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl.node;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/JsonRpcSuccessEvent.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/JsonRpcSuccessEvent.java
index f987a64fea..dd90edcc7f 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/JsonRpcSuccessEvent.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/JsonRpcSuccessEvent.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl.pubsub;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/Subscription.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/Subscription.java
index 9db10f5137..e782ece784 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/Subscription.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/Subscription.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl.pubsub;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/SubscriptionEvent.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/SubscriptionEvent.java
index 2d4adc0baf..4673a0b4fe 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/SubscriptionEvent.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/SubscriptionEvent.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl.pubsub;
 
 import java.util.Map;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/WebSocket.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/WebSocket.java
index 4bda493b39..249e5d9f27 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/WebSocket.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/WebSocket.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl.pubsub;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/WebSocketConnection.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/WebSocketConnection.java
index d12ce95150..d14b93dd99 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/WebSocketConnection.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/WebSocketConnection.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl.pubsub;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/WebSocketEvent.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/WebSocketEvent.java
index 7e8b326ec3..1cc5dae178 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/WebSocketEvent.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/dsl/pubsub/WebSocketEvent.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.dsl.pubsub;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/jsonrpc/Web3Sha3AcceptanceTest.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/jsonrpc/Web3Sha3AcceptanceTest.java
index acd22bee25..459c8c78e7 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/jsonrpc/Web3Sha3AcceptanceTest.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/jsonrpc/Web3Sha3AcceptanceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.jsonrpc;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/mining/MiningAcceptanceTest.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/mining/MiningAcceptanceTest.java
index 096d004a71..0bc59bdaaf 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/mining/MiningAcceptanceTest.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/mining/MiningAcceptanceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.mining;
 
 import static org.web3j.utils.Convert.Unit.ETHER;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/pubsub/NewPendingTransactionAcceptanceTest.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/pubsub/NewPendingTransactionAcceptanceTest.java
index 1cd04d2899..8d8c589fd3 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/pubsub/NewPendingTransactionAcceptanceTest.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/acceptance/pubsub/NewPendingTransactionAcceptanceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.acceptance.pubsub;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/web3j/EventEmitterAcceptanceTest.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/web3j/EventEmitterAcceptanceTest.java
index ff398ff689..cebdb80d09 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/web3j/EventEmitterAcceptanceTest.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/web3j/EventEmitterAcceptanceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.web3j;
 
 import static org.junit.Assert.assertEquals;
diff --git a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/web3j/generated/EventEmitter.java b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/web3j/generated/EventEmitter.java
index 28e8ebb45c..23d2fbf76f 100644
--- a/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/web3j/generated/EventEmitter.java
+++ b/acceptance-tests/src/test/java/tech/pegasys/pantheon/tests/web3j/generated/EventEmitter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.web3j.generated;
 
 import java.math.BigInteger;
diff --git a/build.gradle b/build.gradle
index 1191b141dd..76011ab025 100644
--- a/build.gradle
+++ b/build.gradle
@@ -88,6 +88,7 @@ allprojects {
         exclude '**/generalstate/GeneralStateReferenceTest*.java'
         exclude '**/generalstate/GeneralStateRegressionReferenceTest*.java'
         exclude '**/blockchain/BlockchainReferenceTest*.java'
+        exclude '**/pantheon/PantheonInfo.java'
         exclude '**/.gradle/**'
       }
       removeUnusedImports()
@@ -95,6 +96,7 @@ allprojects {
       importOrder 'tech.pegasys', 'java', ''
       trimTrailingWhitespace()
       endWithNewline()
+      licenseHeaderFile "${rootDir}/gradle/spotless.java.license"
     }
     groovyGradle {
       target '*.gradle'
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/BlockHeaderValidationRulesetFactory.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/BlockHeaderValidationRulesetFactory.java
index dd37282606..7362d21906 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/BlockHeaderValidationRulesetFactory.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/BlockHeaderValidationRulesetFactory.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import tech.pegasys.pantheon.consensus.clique.headervalidationrules.CliqueDifficultyValidationRule;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueBlockHashing.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueBlockHashing.java
index 09b2f90fd5..de342cfa2f 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueBlockHashing.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueBlockHashing.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import tech.pegasys.pantheon.crypto.SECP256K1.Signature;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueContext.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueContext.java
index 6f956bf5ee..a50d86d625 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueContext.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueContext.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import tech.pegasys.pantheon.consensus.common.EpochManager;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueDifficultyCalculator.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueDifficultyCalculator.java
index cace39c273..2969d48acb 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueDifficultyCalculator.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueDifficultyCalculator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueExtraData.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueExtraData.java
index 8598ba7190..bd18a99fdb 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueExtraData.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueExtraData.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueHelpers.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueHelpers.java
index 3c56ffe38f..b81900d3b0 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueHelpers.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueHelpers.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import tech.pegasys.pantheon.consensus.clique.blockcreation.CliqueProposerSelector;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolSchedule.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolSchedule.java
index d9d36b7ad5..014bde4b5f 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolSchedule.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolSchedule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import tech.pegasys.pantheon.crypto.SECP256K1.KeyPair;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolSpecs.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolSpecs.java
index 52aa8d692c..060f72337c 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolSpecs.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolSpecs.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import static tech.pegasys.pantheon.consensus.clique.BlockHeaderValidationRulesetFactory.cliqueBlockHeaderValidator;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueVoteTallyUpdater.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueVoteTallyUpdater.java
index 5365561858..385feb84b4 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueVoteTallyUpdater.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueVoteTallyUpdater.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import static org.apache.logging.log4j.LogManager.getLogger;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/VoteTallyCache.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/VoteTallyCache.java
index 51932caf90..cb1d5794c5 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/VoteTallyCache.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/VoteTallyCache.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import static com.google.common.base.Preconditions.checkNotNull;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockCreator.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockCreator.java
index 795d7de9e1..3f9e7fe06f 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockCreator.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockCreator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.blockcreation;
 
 import tech.pegasys.pantheon.consensus.clique.CliqueBlockHashing;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockMiner.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockMiner.java
index 452bb3ea4e..5010b4c351 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockMiner.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockMiner.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.blockcreation;
 
 import tech.pegasys.pantheon.consensus.clique.CliqueContext;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockScheduler.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockScheduler.java
index 375767c813..40242748e2 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockScheduler.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockScheduler.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.blockcreation;
 
 import tech.pegasys.pantheon.consensus.clique.VoteTallyCache;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueMinerExecutor.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueMinerExecutor.java
index 1e489ff62b..f7099fad1a 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueMinerExecutor.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueMinerExecutor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.blockcreation;
 
 import tech.pegasys.pantheon.consensus.clique.CliqueContext;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueMiningCoordinator.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueMiningCoordinator.java
index 759eae9d11..a9f3c0e4d0 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueMiningCoordinator.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueMiningCoordinator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.blockcreation;
 
 import tech.pegasys.pantheon.consensus.clique.CliqueContext;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueProposerSelector.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueProposerSelector.java
index b2ace03f89..282edc5056 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueProposerSelector.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueProposerSelector.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.blockcreation;
 
 import static com.google.common.base.Preconditions.checkNotNull;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CliqueDifficultyValidationRule.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CliqueDifficultyValidationRule.java
index 68b4306d62..418609a8fc 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CliqueDifficultyValidationRule.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CliqueDifficultyValidationRule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.headervalidationrules;
 
 import tech.pegasys.pantheon.consensus.clique.CliqueContext;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CliqueExtraDataValidationRule.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CliqueExtraDataValidationRule.java
index c570c33641..dde113365f 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CliqueExtraDataValidationRule.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CliqueExtraDataValidationRule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.headervalidationrules;
 
 import tech.pegasys.pantheon.consensus.clique.CliqueBlockHashing;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CoinbaseHeaderValidationRule.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CoinbaseHeaderValidationRule.java
index ad4f6548dc..5b271aa40b 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CoinbaseHeaderValidationRule.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CoinbaseHeaderValidationRule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.headervalidationrules;
 
 import tech.pegasys.pantheon.consensus.clique.CliqueVoteTallyUpdater;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/SignerRateLimitValidationRule.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/SignerRateLimitValidationRule.java
index 5d0d932f65..b0a0e5e1bc 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/SignerRateLimitValidationRule.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/SignerRateLimitValidationRule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.headervalidationrules;
 
 import tech.pegasys.pantheon.consensus.clique.CliqueContext;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/CliqueJsonRpcMethodsFactory.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/CliqueJsonRpcMethodsFactory.java
index f331a2693d..c42872a85c 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/CliqueJsonRpcMethodsFactory.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/CliqueJsonRpcMethodsFactory.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.jsonrpc;
 
 import tech.pegasys.pantheon.consensus.clique.CliqueContext;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/CliqueGetSigners.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/CliqueGetSigners.java
index c5cf86e543..367e977cfc 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/CliqueGetSigners.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/CliqueGetSigners.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.jsonrpc.methods;
 
 import tech.pegasys.pantheon.consensus.clique.VoteTallyCache;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/CliqueGetSignersAtHash.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/CliqueGetSignersAtHash.java
index d2ead9c9ca..7fa6c46079 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/CliqueGetSignersAtHash.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/CliqueGetSignersAtHash.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.jsonrpc.methods;
 
 import tech.pegasys.pantheon.consensus.clique.VoteTallyCache;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/Discard.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/Discard.java
index 54008eb9c5..c1979bfa93 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/Discard.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/Discard.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.jsonrpc.methods;
 
 import tech.pegasys.pantheon.consensus.common.VoteProposer;
diff --git a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/Propose.java b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/Propose.java
index ed4da87e42..388c449741 100644
--- a/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/Propose.java
+++ b/consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/Propose.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.jsonrpc.methods;
 
 import tech.pegasys.pantheon.consensus.common.VoteProposer;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueBlockHashingTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueBlockHashingTest.java
index 732aac0b4b..ff565f83c3 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueBlockHashingTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueBlockHashingTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueDifficultyCalculatorTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueDifficultyCalculatorTest.java
index 7b952a2ec8..ad11565b1e 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueDifficultyCalculatorTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueDifficultyCalculatorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueExtraDataTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueExtraDataTest.java
index f6dbcd2115..904b327b3a 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueExtraDataTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueExtraDataTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolScheduleTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolScheduleTest.java
index 2fb2fc9060..214f2e8a52 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolScheduleTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolScheduleTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import static org.assertj.core.api.Java6Assertions.assertThat;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolSpecsTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolSpecsTest.java
index 984c9a10ff..ff2f849b1e 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolSpecsTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolSpecsTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import static org.assertj.core.api.Java6Assertions.assertThat;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueVoteTallyUpdaterTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueVoteTallyUpdaterTest.java
index 5dd18684e3..7c36dc5a91 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueVoteTallyUpdaterTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueVoteTallyUpdaterTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import static java.util.Arrays.asList;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/NodeCanProduceNextBlockTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/NodeCanProduceNextBlockTest.java
index 74d6534a6e..b296d00ff0 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/NodeCanProduceNextBlockTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/NodeCanProduceNextBlockTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/TestHelpers.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/TestHelpers.java
index dfbb09f7b3..1ea27fbeba 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/TestHelpers.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/TestHelpers.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import tech.pegasys.pantheon.crypto.SECP256K1;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/VoteTallyCacheTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/VoteTallyCacheTest.java
index dc36a5462b..1d93e27612 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/VoteTallyCacheTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/VoteTallyCacheTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockCreatorTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockCreatorTest.java
index 665a8fc3f2..82e1afedcc 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockCreatorTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockCreatorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.blockcreation;
 
 import static org.assertj.core.api.Java6Assertions.assertThat;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockSchedulerTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockSchedulerTest.java
index d6749da0b0..2d1b7e8aa9 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockSchedulerTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockSchedulerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.blockcreation;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueMinerExecutorTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueMinerExecutorTest.java
index 11a10be163..eb20e660ea 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueMinerExecutorTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueMinerExecutorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.blockcreation;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueProposerSelectorTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueProposerSelectorTest.java
index 68c02456ea..7427881088 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueProposerSelectorTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueProposerSelectorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.blockcreation;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CliqueDifficultyValidationRuleTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CliqueDifficultyValidationRuleTest.java
index 4a48e3961c..4bbdd40cd1 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CliqueDifficultyValidationRuleTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CliqueDifficultyValidationRuleTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.headervalidationrules;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CliqueExtraDataValidationRuleTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CliqueExtraDataValidationRuleTest.java
index da5fe5f406..e0179028e0 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CliqueExtraDataValidationRuleTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/CliqueExtraDataValidationRuleTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.headervalidationrules;
 
 import static org.assertj.core.api.Java6Assertions.assertThat;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/SignerRateLimitValidationRuleTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/SignerRateLimitValidationRuleTest.java
index 5b2d3ab9bf..3af898e92c 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/SignerRateLimitValidationRuleTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/headervalidationrules/SignerRateLimitValidationRuleTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.headervalidationrules;
 
 public class SignerRateLimitValidationRuleTest {
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/CliqueGetSignersAtHashTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/CliqueGetSignersAtHashTest.java
index f07bf90571..1a8b1f3b91 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/CliqueGetSignersAtHashTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/CliqueGetSignersAtHashTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.jsonrpc.methods;
 
 import static java.util.Arrays.asList;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/CliqueGetSignersTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/CliqueGetSignersTest.java
index 05d6bb5cd9..5b98d517ef 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/CliqueGetSignersTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/CliqueGetSignersTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.jsonrpc.methods;
 
 import static java.util.Arrays.asList;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/DiscardTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/DiscardTest.java
index 1856d01c3b..78868b45ec 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/DiscardTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/DiscardTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.jsonrpc.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/ProposeTest.java b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/ProposeTest.java
index 08bb2490d4..35d88d593e 100644
--- a/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/ProposeTest.java
+++ b/consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/jsonrpc/methods/ProposeTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.clique.jsonrpc.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/EpochManager.java b/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/EpochManager.java
index 0569501e8e..1050cca0f0 100644
--- a/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/EpochManager.java
+++ b/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/EpochManager.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.common;
 
 public class EpochManager {
diff --git a/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/ValidatorProvider.java b/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/ValidatorProvider.java
index 469ca86c4b..6f358dd788 100644
--- a/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/ValidatorProvider.java
+++ b/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/ValidatorProvider.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.common;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/VoteProposer.java b/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/VoteProposer.java
index 2f9757929b..63fdeafe8e 100644
--- a/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/VoteProposer.java
+++ b/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/VoteProposer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.common;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/VoteTally.java b/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/VoteTally.java
index cdb706589c..397659d130 100644
--- a/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/VoteTally.java
+++ b/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/VoteTally.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.common;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/VoteType.java b/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/VoteType.java
index 4203d69a0e..4571d49359 100644
--- a/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/VoteType.java
+++ b/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/VoteType.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.common;
 
 import java.util.Optional;
diff --git a/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/headervalidationrules/VoteValidationRule.java b/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/headervalidationrules/VoteValidationRule.java
index f29b3372b4..2102d01515 100644
--- a/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/headervalidationrules/VoteValidationRule.java
+++ b/consensus/common/src/main/java/tech/pegasys/pantheon/consensus/common/headervalidationrules/VoteValidationRule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.common.headervalidationrules;
 
 import tech.pegasys.pantheon.consensus.common.VoteType;
diff --git a/consensus/common/src/test/java/tech/pegasys/pantheon/consensus/common/VoteProposerTest.java b/consensus/common/src/test/java/tech/pegasys/pantheon/consensus/common/VoteProposerTest.java
index 728f25fe4d..c31eb027f5 100644
--- a/consensus/common/src/test/java/tech/pegasys/pantheon/consensus/common/VoteProposerTest.java
+++ b/consensus/common/src/test/java/tech/pegasys/pantheon/consensus/common/VoteProposerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.common;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/common/src/test/java/tech/pegasys/pantheon/consensus/common/VoteTallyTest.java b/consensus/common/src/test/java/tech/pegasys/pantheon/consensus/common/VoteTallyTest.java
index 363c95e48f..459975b010 100644
--- a/consensus/common/src/test/java/tech/pegasys/pantheon/consensus/common/VoteTallyTest.java
+++ b/consensus/common/src/test/java/tech/pegasys/pantheon/consensus/common/VoteTallyTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.common;
 
 import static java.util.Arrays.asList;
diff --git a/consensus/common/src/test/java/tech/pegasys/pantheon/consensus/common/headervalidationrules/VoteValidationRuleTest.java b/consensus/common/src/test/java/tech/pegasys/pantheon/consensus/common/headervalidationrules/VoteValidationRuleTest.java
index 3380ce81af..27e3461c0f 100644
--- a/consensus/common/src/test/java/tech/pegasys/pantheon/consensus/common/headervalidationrules/VoteValidationRuleTest.java
+++ b/consensus/common/src/test/java/tech/pegasys/pantheon/consensus/common/headervalidationrules/VoteValidationRuleTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.common.headervalidationrules;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/ConsensusRoundIdentifier.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/ConsensusRoundIdentifier.java
index 80af57e8a1..7957d653ca 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/ConsensusRoundIdentifier.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/ConsensusRoundIdentifier.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import tech.pegasys.pantheon.ethereum.rlp.RLPInput;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockHashing.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockHashing.java
index e6d797003f..9e7fd0fea3 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockHashing.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockHashing.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import tech.pegasys.pantheon.crypto.SECP256K1.Signature;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockHeaderValidationRulesetFactory.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockHeaderValidationRulesetFactory.java
index e629772039..be1ff69435 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockHeaderValidationRulesetFactory.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockHeaderValidationRulesetFactory.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import tech.pegasys.pantheon.consensus.common.headervalidationrules.VoteValidationRule;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockImporter.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockImporter.java
index 43bc809162..d535c09349 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockImporter.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockImporter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftChainObserver.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftChainObserver.java
index d06800cd4f..fac61bd39e 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftChainObserver.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftChainObserver.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import tech.pegasys.pantheon.consensus.ibft.ibftevent.NewChainHead;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftContext.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftContext.java
index 5fe9e5d729..86b2e65012 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftContext.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftContext.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import tech.pegasys.pantheon.consensus.common.VoteProposer;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftEvent.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftEvent.java
index 66bd93a8c0..e60d044b43 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftEvent.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftEvent.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import tech.pegasys.pantheon.consensus.ibft.IbftEvents.Type;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftEventQueue.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftEventQueue.java
index ac05d89455..4e63735740 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftEventQueue.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftEventQueue.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import java.util.concurrent.BlockingQueue;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftEvents.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftEvents.java
index 76f4349486..f4ec228f8b 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftEvents.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftEvents.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.Message;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftExtraData.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftExtraData.java
index 0ad22f4180..71e532818d 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftExtraData.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftExtraData.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftHelpers.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftHelpers.java
index 2414c76b9c..59891a36ae 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftHelpers.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftHelpers.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftProcessor.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftProcessor.java
index 1aae65e12b..11b04d08f5 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftProcessor.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftProcessor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import java.util.Optional;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftProtocolSchedule.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftProtocolSchedule.java
index 2c617d695e..2c97dd9a3d 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftProtocolSchedule.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftProtocolSchedule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import tech.pegasys.pantheon.ethereum.mainnet.MutableProtocolSchedule;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftProtocolSpecs.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftProtocolSpecs.java
index 8bed123fd6..79c4ed0efc 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftProtocolSpecs.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftProtocolSpecs.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import static tech.pegasys.pantheon.consensus.ibft.IbftBlockHeaderValidationRulesetFactory.ibftBlockHeaderValidator;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftStateMachine.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftStateMachine.java
index 5887cd436f..6d606452ce 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftStateMachine.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftStateMachine.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 /** Stateful evaluator for ibft events */
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/RoundTimer.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/RoundTimer.java
index 2b54a57cb0..970299296c 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/RoundTimer.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/RoundTimer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import tech.pegasys.pantheon.consensus.ibft.ibftevent.RoundExpiry;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/VoteTallyUpdater.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/VoteTallyUpdater.java
index d1bf8e9cae..31e3485dcd 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/VoteTallyUpdater.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/VoteTallyUpdater.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import tech.pegasys.pantheon.consensus.common.EpochManager;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftBlockCreator.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftBlockCreator.java
index 9689dcde97..69877056dc 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftBlockCreator.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftBlockCreator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.blockcreation;
 
 import tech.pegasys.pantheon.consensus.ibft.IbftBlockHashing;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftBlockMiner.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftBlockMiner.java
index 3cdad9a8bc..1f37d68668 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftBlockMiner.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftBlockMiner.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.blockcreation;
 
 import tech.pegasys.pantheon.consensus.ibft.IbftContext;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftExtraDataCalculator.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftExtraDataCalculator.java
index 87ba46a482..c93f893245 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftExtraDataCalculator.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftExtraDataCalculator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.blockcreation;
 
 import tech.pegasys.pantheon.consensus.common.ValidatorProvider;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/ProposerSelector.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/ProposerSelector.java
index 462e32c17f..97e3eb2122 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/ProposerSelector.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/ProposerSelector.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.blockcreation;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/headervalidationrules/IbftExtraDataValidationRule.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/headervalidationrules/IbftExtraDataValidationRule.java
index cb1fc8bec6..e014a997d5 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/headervalidationrules/IbftExtraDataValidationRule.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/headervalidationrules/IbftExtraDataValidationRule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.headervalidationrules;
 
 import static tech.pegasys.pantheon.consensus.ibft.IbftHelpers.calculateRequiredValidatorQuorum;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/ibftevent/NewChainHead.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/ibftevent/NewChainHead.java
index e488959787..484b7cda90 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/ibftevent/NewChainHead.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/ibftevent/NewChainHead.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.ibftevent;
 
 import tech.pegasys.pantheon.consensus.ibft.IbftEvent;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/ibftevent/RoundExpiry.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/ibftevent/RoundExpiry.java
index 1b0362b424..c887dcf60e 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/ibftevent/RoundExpiry.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/ibftevent/RoundExpiry.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.ibftevent;
 
 import tech.pegasys.pantheon.consensus.ibft.ConsensusRoundIdentifier;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/IbftJsonRpcMethodsFactory.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/IbftJsonRpcMethodsFactory.java
index 285aaf6da0..d0a8746180 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/IbftJsonRpcMethodsFactory.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/IbftJsonRpcMethodsFactory.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.jsonrpc;
 
 import tech.pegasys.pantheon.consensus.ibft.IbftContext;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/methods/IbftDiscardValidatorVote.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/methods/IbftDiscardValidatorVote.java
index 48bbc6e48f..14951d470a 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/methods/IbftDiscardValidatorVote.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/methods/IbftDiscardValidatorVote.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.jsonrpc.methods;
 
 import tech.pegasys.pantheon.consensus.common.VoteProposer;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/methods/IbftProposeValidatorVote.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/methods/IbftProposeValidatorVote.java
index 8d976b8f8d..be1032d21b 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/methods/IbftProposeValidatorVote.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/methods/IbftProposeValidatorVote.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.jsonrpc.methods;
 
 import tech.pegasys.pantheon.consensus.common.VoteProposer;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/protocol/IbftProtocolManager.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/protocol/IbftProtocolManager.java
index 86b36622e6..9e4defa5c3 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/protocol/IbftProtocolManager.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/protocol/IbftProtocolManager.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.protocol;
 
 import tech.pegasys.pantheon.consensus.ibft.IbftEvent;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/protocol/IbftSubProtocol.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/protocol/IbftSubProtocol.java
index 2604f761e7..d4d1f96620 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/protocol/IbftSubProtocol.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/protocol/IbftSubProtocol.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.protocol;
 
 import tech.pegasys.pantheon.ethereum.p2p.wire.Capability;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/protocol/Istanbul64Protocol.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/protocol/Istanbul64Protocol.java
index 6687ef5cf5..6cb08040b7 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/protocol/Istanbul64Protocol.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/protocol/Istanbul64Protocol.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.protocol;
 
 import tech.pegasys.pantheon.ethereum.eth.messages.EthPV62;
diff --git a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/protocol/Istanbul64ProtocolManager.java b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/protocol/Istanbul64ProtocolManager.java
index e75d05abc8..c09388fab4 100644
--- a/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/protocol/Istanbul64ProtocolManager.java
+++ b/consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/protocol/Istanbul64ProtocolManager.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.protocol;
 
 import tech.pegasys.pantheon.ethereum.chain.Blockchain;
diff --git a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockHashingTest.java b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockHashingTest.java
index d1a4be9a76..470f115c89 100644
--- a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockHashingTest.java
+++ b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockHashingTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockHeaderValidationRulesetFactoryTest.java b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockHeaderValidationRulesetFactoryTest.java
index fde1ce8c6a..f8d71a081d 100644
--- a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockHeaderValidationRulesetFactoryTest.java
+++ b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockHeaderValidationRulesetFactoryTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import static java.util.Collections.emptyList;
diff --git a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockImporterTest.java b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockImporterTest.java
index 218f033776..4fcf4cb945 100644
--- a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockImporterTest.java
+++ b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftBlockImporterTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import static java.util.Collections.emptyList;
diff --git a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftChainObserverTest.java b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftChainObserverTest.java
index 6bb6a646b3..52052e11c4 100644
--- a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftChainObserverTest.java
+++ b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftChainObserverTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import static java.util.Collections.emptyList;
diff --git a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftEventQueueTest.java b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftEventQueueTest.java
index fdd03afa68..4f89a4f159 100644
--- a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftEventQueueTest.java
+++ b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftEventQueueTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftExtraDataTest.java b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftExtraDataTest.java
index 82f2b562ee..56fb6d132a 100644
--- a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftExtraDataTest.java
+++ b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftExtraDataTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftProcessorTest.java b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftProcessorTest.java
index 3236d3a73b..e83dca6331 100644
--- a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftProcessorTest.java
+++ b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftProcessorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftProtocolContextFixture.java b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftProtocolContextFixture.java
index 4916424e3a..7dd15bd313 100644
--- a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftProtocolContextFixture.java
+++ b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/IbftProtocolContextFixture.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import static java.util.Arrays.asList;
diff --git a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/RoundTimerTest.java b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/RoundTimerTest.java
index fa5a07fbb1..9b31a82681 100644
--- a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/RoundTimerTest.java
+++ b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/RoundTimerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/VoteTallyUpdaterTest.java b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/VoteTallyUpdaterTest.java
index 61cd636e78..4122f1f233 100644
--- a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/VoteTallyUpdaterTest.java
+++ b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/VoteTallyUpdaterTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft;
 
 import static java.util.Arrays.asList;
diff --git a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftBlockCreatorTest.java b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftBlockCreatorTest.java
index b5539c2453..ab96801d7c 100644
--- a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftBlockCreatorTest.java
+++ b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftBlockCreatorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.blockcreation;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/ProposerSelectorTest.java b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/ProposerSelectorTest.java
index 881e84305c..b47e14c851 100644
--- a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/ProposerSelectorTest.java
+++ b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/ProposerSelectorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.blockcreation;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/headervalidationrules/IbftExtraDataValidationRuleTest.java b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/headervalidationrules/IbftExtraDataValidationRuleTest.java
index aa3c0ad4f4..c29e7f9256 100644
--- a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/headervalidationrules/IbftExtraDataValidationRuleTest.java
+++ b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/headervalidationrules/IbftExtraDataValidationRuleTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.headervalidationrules;
 
 import static java.util.Collections.emptyList;
diff --git a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/methods/IbftDiscardValidatorVoteTest.java b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/methods/IbftDiscardValidatorVoteTest.java
index f0f82880f7..8999d9d7ff 100644
--- a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/methods/IbftDiscardValidatorVoteTest.java
+++ b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/methods/IbftDiscardValidatorVoteTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.jsonrpc.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/methods/IbftProposeValidatorVoteTest.java b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/methods/IbftProposeValidatorVoteTest.java
index d2a2ed56e0..2d63918466 100644
--- a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/methods/IbftProposeValidatorVoteTest.java
+++ b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/jsonrpc/methods/IbftProposeValidatorVoteTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.jsonrpc.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/protocol/IbftSubProtocolTest.java b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/protocol/IbftSubProtocolTest.java
index cb921a2bdd..b969560aef 100644
--- a/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/protocol/IbftSubProtocolTest.java
+++ b/consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/protocol/IbftSubProtocolTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.consensus.ibft.protocol;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/BouncyCastleMessageDigestFactory.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/BouncyCastleMessageDigestFactory.java
index 3e9df4312f..ad14d56bfd 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/BouncyCastleMessageDigestFactory.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/BouncyCastleMessageDigestFactory.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto;
 
 import java.security.MessageDigest;
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/Hash.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/Hash.java
index 297ddb5ff7..de3cccbc1d 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/Hash.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/Hash.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/InvalidSEC256K1PrivateKeyStoreException.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/InvalidSEC256K1PrivateKeyStoreException.java
index 88daf9318e..b26155e0d9 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/InvalidSEC256K1PrivateKeyStoreException.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/InvalidSEC256K1PrivateKeyStoreException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto;
 
 public class InvalidSEC256K1PrivateKeyStoreException extends RuntimeException {}
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/PRNGSecureRandom.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/PRNGSecureRandom.java
index 5ced09844d..d85f585155 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/PRNGSecureRandom.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/PRNGSecureRandom.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto;
 
 import static tech.pegasys.pantheon.crypto.PersonalisationString.getPersonalizationString;
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/PersonalisationString.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/PersonalisationString.java
index 3e441b2159..e4288c730b 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/PersonalisationString.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/PersonalisationString.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto;
 
 import java.net.NetworkInterface;
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/QuickEntropy.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/QuickEntropy.java
index f387eae178..8a4bde0a8d 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/QuickEntropy.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/QuickEntropy.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto;
 
 import com.google.common.primitives.Bytes;
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/SECP256K1.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/SECP256K1.java
index 12573a5aa7..cc52cb0853 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/SECP256K1.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/SECP256K1.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/SecureRandomProvider.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/SecureRandomProvider.java
index 4f7b8f1e56..6afc529a68 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/SecureRandomProvider.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/SecureRandomProvider.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto;
 
 import java.security.SecureRandom;
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AbstractFieldPoint.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AbstractFieldPoint.java
index 745052d702..d7135a48a5 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AbstractFieldPoint.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AbstractFieldPoint.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 import java.math.BigInteger;
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AbstractFqp.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AbstractFqp.java
index 18402c1b16..75d3203a57 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AbstractFqp.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AbstractFqp.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 import java.math.BigInteger;
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq12Pairer.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq12Pairer.java
index 795eb5af00..fa2f84acbf 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq12Pairer.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq12Pairer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 import static tech.pegasys.pantheon.crypto.altbn128.AltBn128Fq12Point.twist;
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq12Point.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq12Point.java
index 4f79d92f6a..ff38ccbfc6 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq12Point.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq12Point.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 import java.util.Arrays;
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq2Point.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq2Point.java
index 4f92f0e6e1..d69932c4f9 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq2Point.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq2Point.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 import java.math.BigInteger;
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Point.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Point.java
index 699d4e04ce..4310d747f2 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Point.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Point.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 /**
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/FieldElement.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/FieldElement.java
index d8ff98bd2b..d0ceebd051 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/FieldElement.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/FieldElement.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 import java.math.BigInteger;
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/FieldPoint.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/FieldPoint.java
index aa28b5a9ea..e3f60047cb 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/FieldPoint.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/FieldPoint.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 import java.math.BigInteger;
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/Fq.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/Fq.java
index 357025cfff..a6dfa7fc9d 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/Fq.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/Fq.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/Fq12.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/Fq12.java
index 57d0b06ad5..54e432038b 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/Fq12.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/Fq12.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 /**
diff --git a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/Fq2.java b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/Fq2.java
index 0dd2f04177..391a2fc2c0 100644
--- a/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/Fq2.java
+++ b/crypto/src/main/java/tech/pegasys/pantheon/crypto/altbn128/Fq2.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 import java.math.BigInteger;
diff --git a/crypto/src/test/java/tech/pegasys/pantheon/crypto/HashTest.java b/crypto/src/test/java/tech/pegasys/pantheon/crypto/HashTest.java
index 2f6f2525ad..12bed28bdd 100644
--- a/crypto/src/test/java/tech/pegasys/pantheon/crypto/HashTest.java
+++ b/crypto/src/test/java/tech/pegasys/pantheon/crypto/HashTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
diff --git a/crypto/src/test/java/tech/pegasys/pantheon/crypto/PRNGSecureRandomTest.java b/crypto/src/test/java/tech/pegasys/pantheon/crypto/PRNGSecureRandomTest.java
index 30d3b27cab..d795b472aa 100644
--- a/crypto/src/test/java/tech/pegasys/pantheon/crypto/PRNGSecureRandomTest.java
+++ b/crypto/src/test/java/tech/pegasys/pantheon/crypto/PRNGSecureRandomTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto;
 
 import static org.mockito.ArgumentMatchers.any;
diff --git a/crypto/src/test/java/tech/pegasys/pantheon/crypto/SECP256K1Test.java b/crypto/src/test/java/tech/pegasys/pantheon/crypto/SECP256K1Test.java
index 787cc1a8da..4216ce4ae3 100644
--- a/crypto/src/test/java/tech/pegasys/pantheon/crypto/SECP256K1Test.java
+++ b/crypto/src/test/java/tech/pegasys/pantheon/crypto/SECP256K1Test.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
diff --git a/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq12PairerTest.java b/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq12PairerTest.java
index cc4baa7d14..5235d8080e 100644
--- a/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq12PairerTest.java
+++ b/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq12PairerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq12PointTest.java b/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq12PointTest.java
index 1167793f1e..9ccca42b90 100644
--- a/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq12PointTest.java
+++ b/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq12PointTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq2PointTest.java b/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq2PointTest.java
index 6a18a7c996..1a06160290 100644
--- a/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq2PointTest.java
+++ b/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128Fq2PointTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128PointTest.java b/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128PointTest.java
index ae389ab3b3..e3aef574aa 100644
--- a/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128PointTest.java
+++ b/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/AltBn128PointTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/Fq12Test.java b/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/Fq12Test.java
index 8808cecb4e..ed24bcc556 100644
--- a/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/Fq12Test.java
+++ b/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/Fq12Test.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/Fq2Test.java b/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/Fq2Test.java
index 1347a4c1a5..8350c1323b 100644
--- a/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/Fq2Test.java
+++ b/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/Fq2Test.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/FqTest.java b/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/FqTest.java
index d2127b4093..c57992d302 100644
--- a/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/FqTest.java
+++ b/crypto/src/test/java/tech/pegasys/pantheon/crypto/altbn128/FqTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.crypto.altbn128;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/errorprone-checks/src/main/java/tech/pegasys/errorpronechecks/DoNotCreateSecureRandomDirectly.java b/errorprone-checks/src/main/java/tech/pegasys/errorpronechecks/DoNotCreateSecureRandomDirectly.java
index 5ab90bab7f..8fa88adcb0 100644
--- a/errorprone-checks/src/main/java/tech/pegasys/errorpronechecks/DoNotCreateSecureRandomDirectly.java
+++ b/errorprone-checks/src/main/java/tech/pegasys/errorpronechecks/DoNotCreateSecureRandomDirectly.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 import static com.google.errorprone.BugPattern.Category.JDK;
diff --git a/errorprone-checks/src/main/java/tech/pegasys/errorpronechecks/DoNotInvokeMessageDigestDirectly.java b/errorprone-checks/src/main/java/tech/pegasys/errorpronechecks/DoNotInvokeMessageDigestDirectly.java
index 01fb0893dc..2f92256071 100644
--- a/errorprone-checks/src/main/java/tech/pegasys/errorpronechecks/DoNotInvokeMessageDigestDirectly.java
+++ b/errorprone-checks/src/main/java/tech/pegasys/errorpronechecks/DoNotInvokeMessageDigestDirectly.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 import static com.google.errorprone.BugPattern.Category.JDK;
diff --git a/errorprone-checks/src/main/java/tech/pegasys/errorpronechecks/DoNotReturnNullOptionals.java b/errorprone-checks/src/main/java/tech/pegasys/errorpronechecks/DoNotReturnNullOptionals.java
index de9610ba73..7d5cb8ad5f 100644
--- a/errorprone-checks/src/main/java/tech/pegasys/errorpronechecks/DoNotReturnNullOptionals.java
+++ b/errorprone-checks/src/main/java/tech/pegasys/errorpronechecks/DoNotReturnNullOptionals.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 import static com.google.errorprone.BugPattern.Category.JDK;
diff --git a/errorprone-checks/src/main/java/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinal.java b/errorprone-checks/src/main/java/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinal.java
index 54d7750fa4..8b22b62228 100644
--- a/errorprone-checks/src/main/java/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinal.java
+++ b/errorprone-checks/src/main/java/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinal.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 import static com.google.errorprone.BugPattern.Category.JDK;
diff --git a/errorprone-checks/src/test/java/tech/pegasys/errorpronechecks/DoNotCreateSecureRandomDirectlyTest.java b/errorprone-checks/src/test/java/tech/pegasys/errorpronechecks/DoNotCreateSecureRandomDirectlyTest.java
index 4840502b62..84059c52d2 100644
--- a/errorprone-checks/src/test/java/tech/pegasys/errorpronechecks/DoNotCreateSecureRandomDirectlyTest.java
+++ b/errorprone-checks/src/test/java/tech/pegasys/errorpronechecks/DoNotCreateSecureRandomDirectlyTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 import com.google.errorprone.CompilationTestHelper;
diff --git a/errorprone-checks/src/test/java/tech/pegasys/errorpronechecks/DoNotInvokeMessageDigestDirectlyTest.java b/errorprone-checks/src/test/java/tech/pegasys/errorpronechecks/DoNotInvokeMessageDigestDirectlyTest.java
index 2270b99ca5..1a8171833d 100644
--- a/errorprone-checks/src/test/java/tech/pegasys/errorpronechecks/DoNotInvokeMessageDigestDirectlyTest.java
+++ b/errorprone-checks/src/test/java/tech/pegasys/errorpronechecks/DoNotInvokeMessageDigestDirectlyTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 import com.google.errorprone.CompilationTestHelper;
diff --git a/errorprone-checks/src/test/java/tech/pegasys/errorpronechecks/DoNotReturnNullOptionalsTest.java b/errorprone-checks/src/test/java/tech/pegasys/errorpronechecks/DoNotReturnNullOptionalsTest.java
index 133879d87a..13acf78af1 100644
--- a/errorprone-checks/src/test/java/tech/pegasys/errorpronechecks/DoNotReturnNullOptionalsTest.java
+++ b/errorprone-checks/src/test/java/tech/pegasys/errorpronechecks/DoNotReturnNullOptionalsTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 import com.google.errorprone.CompilationTestHelper;
diff --git a/errorprone-checks/src/test/java/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalTest.java b/errorprone-checks/src/test/java/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalTest.java
index 52623b63b4..c50f1fe504 100644
--- a/errorprone-checks/src/test/java/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalTest.java
+++ b/errorprone-checks/src/test/java/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 import com.google.errorprone.CompilationTestHelper;
diff --git a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotCreateSecureRandomDirectlyNegativeCases.java b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotCreateSecureRandomDirectlyNegativeCases.java
index 54d1a40304..5a90233b37 100644
--- a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotCreateSecureRandomDirectlyNegativeCases.java
+++ b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotCreateSecureRandomDirectlyNegativeCases.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 import java.security.Provider;
diff --git a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotCreateSecureRandomDirectlyPositiveCases.java b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotCreateSecureRandomDirectlyPositiveCases.java
index 70c8e57b81..68ff05de3d 100644
--- a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotCreateSecureRandomDirectlyPositiveCases.java
+++ b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotCreateSecureRandomDirectlyPositiveCases.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 import java.security.Provider;
diff --git a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotInvokeMessageDigestDirectlyNegativeCases.java b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotInvokeMessageDigestDirectlyNegativeCases.java
index 271b2b5d0e..4f2e753f14 100644
--- a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotInvokeMessageDigestDirectlyNegativeCases.java
+++ b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotInvokeMessageDigestDirectlyNegativeCases.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 import java.security.MessageDigest;
diff --git a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotInvokeMessageDigestDirectlyPositiveCases.java b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotInvokeMessageDigestDirectlyPositiveCases.java
index da2a04593f..2f145f8319 100644
--- a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotInvokeMessageDigestDirectlyPositiveCases.java
+++ b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotInvokeMessageDigestDirectlyPositiveCases.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 import java.security.MessageDigest;
diff --git a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotReturnNullOptionalsNegativeCases.java b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotReturnNullOptionalsNegativeCases.java
index 1d299c0cfe..344c0f5ea7 100644
--- a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotReturnNullOptionalsNegativeCases.java
+++ b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotReturnNullOptionalsNegativeCases.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 import java.util.Optional;
diff --git a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotReturnNullOptionalsPositiveCases.java b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotReturnNullOptionalsPositiveCases.java
index 053ebe0f5c..df77ce3777 100644
--- a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotReturnNullOptionalsPositiveCases.java
+++ b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/DoNotReturnNullOptionalsPositiveCases.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 import java.util.Optional;
diff --git a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalInterfaceNegativeCases.java b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalInterfaceNegativeCases.java
index 1dab682cdc..57731dc5c2 100644
--- a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalInterfaceNegativeCases.java
+++ b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalInterfaceNegativeCases.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 import java.util.Observable;
diff --git a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalInterfacePositiveCases.java b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalInterfacePositiveCases.java
index d9c7ee0a84..aa0e048a48 100644
--- a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalInterfacePositiveCases.java
+++ b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalInterfacePositiveCases.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 public interface MethodInputParametersMustBeFinalInterfacePositiveCases {
diff --git a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalNegativeCases.java b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalNegativeCases.java
index 5734efe215..c0d29da9a1 100644
--- a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalNegativeCases.java
+++ b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalNegativeCases.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 public class MethodInputParametersMustBeFinalNegativeCases {
diff --git a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalPositiveCases.java b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalPositiveCases.java
index da03688758..c35b5b4249 100644
--- a/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalPositiveCases.java
+++ b/errorprone-checks/src/test/resources/tech/pegasys/errorpronechecks/MethodInputParametersMustBeFinalPositiveCases.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.errorpronechecks;
 
 public class MethodInputParametersMustBeFinalPositiveCases {
diff --git a/ethereum/core/src/integration-test/java/tech/pegasys/pantheon/ethereum/vm/EntriesFromIntegrationTest.java b/ethereum/core/src/integration-test/java/tech/pegasys/pantheon/ethereum/vm/EntriesFromIntegrationTest.java
index 7122bbb123..179c9c0496 100644
--- a/ethereum/core/src/integration-test/java/tech/pegasys/pantheon/ethereum/vm/EntriesFromIntegrationTest.java
+++ b/ethereum/core/src/integration-test/java/tech/pegasys/pantheon/ethereum/vm/EntriesFromIntegrationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/integration-test/java/tech/pegasys/pantheon/ethereum/vm/TraceTransactionIntegrationTest.java b/ethereum/core/src/integration-test/java/tech/pegasys/pantheon/ethereum/vm/TraceTransactionIntegrationTest.java
index fa3e42c003..756738d19d 100644
--- a/ethereum/core/src/integration-test/java/tech/pegasys/pantheon/ethereum/vm/TraceTransactionIntegrationTest.java
+++ b/ethereum/core/src/integration-test/java/tech/pegasys/pantheon/ethereum/vm/TraceTransactionIntegrationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/ProtocolContext.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/ProtocolContext.java
index f76b997195..a85b19eda7 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/ProtocolContext.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/ProtocolContext.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum;
 
 import tech.pegasys.pantheon.ethereum.chain.MutableBlockchain;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractBlockCreator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractBlockCreator.java
index 8223533193..b1323eb7f5 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractBlockCreator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractBlockCreator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractBlockScheduler.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractBlockScheduler.java
index 3950174a62..50a940484f 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractBlockScheduler.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractBlockScheduler.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractMinerExecutor.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractMinerExecutor.java
index 29a9e0c169..8d7576da21 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractMinerExecutor.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractMinerExecutor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractMiningCoordinator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractMiningCoordinator.java
index d1680b50e3..ecd33877c2 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractMiningCoordinator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AbstractMiningCoordinator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import tech.pegasys.pantheon.ethereum.chain.BlockAddedEvent;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AsyncBlockCreator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AsyncBlockCreator.java
index 59fdf03924..afb016f9f9 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AsyncBlockCreator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/AsyncBlockCreator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 public interface AsyncBlockCreator extends BlockCreator {
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockCreator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockCreator.java
index dc675ad080..b23676d202 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockCreator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockCreator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import tech.pegasys.pantheon.ethereum.core.Block;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockMiner.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockMiner.java
index bf0b0c6579..d3c0ff6214 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockMiner.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockMiner.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockTransactionSelector.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockTransactionSelector.java
index e81c965351..5eca400735 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockTransactionSelector.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockTransactionSelector.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import tech.pegasys.pantheon.ethereum.chain.Blockchain;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/CoinbaseNotSetException.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/CoinbaseNotSetException.java
index 4d1b384ce0..69b04f7bce 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/CoinbaseNotSetException.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/CoinbaseNotSetException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 public class CoinbaseNotSetException extends RuntimeException {
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/DefaultBlockScheduler.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/DefaultBlockScheduler.java
index 13eab0d763..56a95f57e4 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/DefaultBlockScheduler.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/DefaultBlockScheduler.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashBlockMiner.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashBlockMiner.java
index 44eeea9a21..38c7d9b792 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashBlockMiner.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashBlockMiner.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashMinerExecutor.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashMinerExecutor.java
index 73eb4b9732..ac09137d7e 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashMinerExecutor.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashMinerExecutor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashMiningCoordinator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashMiningCoordinator.java
index 6fd85062ed..349be51aab 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashMiningCoordinator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashMiningCoordinator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import tech.pegasys.pantheon.ethereum.chain.BlockAddedObserver;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/IncrementingNonceGenerator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/IncrementingNonceGenerator.java
index b93c1d3d6c..1dfbb3964d 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/IncrementingNonceGenerator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/IncrementingNonceGenerator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import java.util.Iterator;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/MiningParameters.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/MiningParameters.java
index ce8eebe667..ca5f0ed3e6 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/MiningParameters.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/MiningParameters.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/RandomNonceGenerator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/RandomNonceGenerator.java
index 7897c422d2..06c6a5fcb1 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/RandomNonceGenerator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/blockcreation/RandomNonceGenerator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import tech.pegasys.pantheon.crypto.SecureRandomProvider;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/BlockAddedEvent.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/BlockAddedEvent.java
index 7606ab7fcb..1d76c8181e 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/BlockAddedEvent.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/BlockAddedEvent.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.chain;
 
 import tech.pegasys.pantheon.ethereum.core.Block;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/BlockAddedObserver.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/BlockAddedObserver.java
index 4998004086..7982803bca 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/BlockAddedObserver.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/BlockAddedObserver.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.chain;
 
 @FunctionalInterface
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/Blockchain.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/Blockchain.java
index 6741d65fae..d53709d821 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/Blockchain.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/Blockchain.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.chain;
 
 import tech.pegasys.pantheon.ethereum.core.Block;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/ChainHead.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/ChainHead.java
index e66f094aea..b1b977feb8 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/ChainHead.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/ChainHead.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.chain;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/GenesisConfig.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/GenesisConfig.java
index 50399d96d1..7f999f721a 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/GenesisConfig.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/GenesisConfig.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.chain;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/MutableBlockchain.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/MutableBlockchain.java
index 1ba52aeb89..67fe79672e 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/MutableBlockchain.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/MutableBlockchain.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.chain;
 
 import tech.pegasys.pantheon.ethereum.core.Block;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/TransactionLocation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/TransactionLocation.java
index a72b4a18f3..9603603152 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/TransactionLocation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/chain/TransactionLocation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.chain;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/AbstractWorldUpdater.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/AbstractWorldUpdater.java
index 0cd6efc481..f3cc6c812c 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/AbstractWorldUpdater.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/AbstractWorldUpdater.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static com.google.common.base.Preconditions.checkNotNull;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Account.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Account.java
index 4f8d308303..848087235d 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Account.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Account.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/AccountTransactionOrder.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/AccountTransactionOrder.java
index f3f8c0474d..a7bec737f1 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/AccountTransactionOrder.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/AccountTransactionOrder.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import java.util.ArrayList;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Address.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Address.java
index c02e96df4b..ea9d15c8d0 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Address.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Address.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Block.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Block.java
index b7fcdccbfa..e3c593c294 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Block.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Block.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.rlp.RLP;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockBody.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockBody.java
index 62f047347a..998db669f1 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockBody.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockBody.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.rlp.RLPInput;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockHashFunction.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockHashFunction.java
index dbf67f38df..05c1b411a2 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockHashFunction.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockHashFunction.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 /**
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockHeader.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockHeader.java
index e42224da53..b162ade04d 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockHeader.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockHeader.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.rlp.RLPInput;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockHeaderBuilder.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockHeaderBuilder.java
index ab4a05d5ec..d33ba9ddd4 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockHeaderBuilder.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockHeaderBuilder.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockImporter.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockImporter.java
index 0646f961be..a833ef67cc 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockImporter.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockImporter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockMetadata.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockMetadata.java
index 56038e1a7c..026ad5cf79 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockMetadata.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/BlockMetadata.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.rlp.RLP;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Gas.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Gas.java
index 03a140ce3b..94ef1ca977 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Gas.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Gas.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Hash.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Hash.java
index 3b41ecbbc0..a7c3ac96b2 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Hash.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Hash.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static tech.pegasys.pantheon.crypto.Hash.keccak256;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Log.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Log.java
index 12ff83b747..ca4d3a584c 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Log.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Log.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.rlp.RLPInput;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/LogSeries.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/LogSeries.java
index fe60162ce2..1592887ae3 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/LogSeries.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/LogSeries.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.rlp.RLPInput;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/LogTopic.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/LogTopic.java
index 3ecd9aea94..8444f676e2 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/LogTopic.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/LogTopic.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/LogsBloomFilter.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/LogsBloomFilter.java
index 8c9ed9b30e..ed11ff5a0c 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/LogsBloomFilter.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/LogsBloomFilter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/MutableAccount.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/MutableAccount.java
index 337db20693..61b916b4a0 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/MutableAccount.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/MutableAccount.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/MutableWorldState.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/MutableWorldState.java
index 996b74e66f..1bb0cc95dc 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/MutableWorldState.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/MutableWorldState.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 public interface MutableWorldState extends WorldState, MutableWorldView {
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/MutableWorldView.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/MutableWorldView.java
index af2403c41a..de452ce886 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/MutableWorldView.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/MutableWorldView.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 public interface MutableWorldView extends WorldView {
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/PendingTransactionListener.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/PendingTransactionListener.java
index 66132481b5..1898a82d4b 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/PendingTransactionListener.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/PendingTransactionListener.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 @FunctionalInterface
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/PendingTransactions.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/PendingTransactions.java
index dfb4d06bec..4732be39f6 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/PendingTransactions.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/PendingTransactions.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static java.util.Collections.newSetFromMap;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/ProcessableBlockHeader.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/ProcessableBlockHeader.java
index a0e4596a8b..0a8a8ebc2f 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/ProcessableBlockHeader.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/ProcessableBlockHeader.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.util.uint.UInt256;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/SealableBlockHeader.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/SealableBlockHeader.java
index 9ed8a12b01..b25dae8001 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/SealableBlockHeader.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/SealableBlockHeader.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/SyncStatus.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/SyncStatus.java
index fcf54c09fe..2b5add05a1 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/SyncStatus.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/SyncStatus.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 public final class SyncStatus {
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Synchronizer.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Synchronizer.java
index 5ac4ee761a..1cb53d29fc 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Synchronizer.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Synchronizer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import java.util.Optional;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Transaction.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Transaction.java
index b6b5dd14cd..24caf1ad82 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Transaction.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Transaction.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static com.google.common.base.Preconditions.checkState;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/TransactionBuilder.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/TransactionBuilder.java
index 4cbb438ede..888327e7cc 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/TransactionBuilder.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/TransactionBuilder.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.crypto.SECP256K1;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/TransactionPool.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/TransactionPool.java
index ea488c46ae..7aa151af49 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/TransactionPool.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/TransactionPool.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static java.util.Collections.singletonList;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/TransactionReceipt.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/TransactionReceipt.java
index 13ecc56051..60118786f8 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/TransactionReceipt.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/TransactionReceipt.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.mainnet.TransactionReceiptType;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Util.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Util.java
index ded6542ab2..6d6ae70353 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Util.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Util.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.crypto.SECP256K1.PublicKey;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Wei.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Wei.java
index d29b5f70f6..3df4f9e164 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Wei.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/Wei.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/WorldState.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/WorldState.java
index 3d143334e6..675ed32fcd 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/WorldState.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/WorldState.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import java.util.stream.Stream;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/WorldUpdater.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/WorldUpdater.java
index 3dd18748c8..bc18932647 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/WorldUpdater.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/WorldUpdater.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import java.util.Collection;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/WorldView.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/WorldView.java
index 141da8d0e8..c6495f6ac9 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/WorldView.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/core/WorldView.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 /** Generic interface for a view over the accounts of the world state. */
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/db/BlockchainStorage.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/db/BlockchainStorage.java
index db27a2d0f0..8ab321c8b5 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/db/BlockchainStorage.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/db/BlockchainStorage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.db;
 
 import tech.pegasys.pantheon.ethereum.chain.TransactionLocation;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/db/DefaultMutableBlockchain.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/db/DefaultMutableBlockchain.java
index 67bfbac2e8..2f34b5aac8 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/db/DefaultMutableBlockchain.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/db/DefaultMutableBlockchain.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.db;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/db/KeyValueStoragePrefixedKeyBlockchainStorage.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/db/KeyValueStoragePrefixedKeyBlockchainStorage.java
index f6ffc2f1f5..1333e92314 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/db/KeyValueStoragePrefixedKeyBlockchainStorage.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/db/KeyValueStoragePrefixedKeyBlockchainStorage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.db;
 
 import tech.pegasys.pantheon.ethereum.chain.TransactionLocation;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/db/WorldStateArchive.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/db/WorldStateArchive.java
index 43e9bb5025..4a13c62417 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/db/WorldStateArchive.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/db/WorldStateArchive.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.db;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/debug/TraceFrame.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/debug/TraceFrame.java
index 25dd8d1d7c..7911352cce 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/debug/TraceFrame.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/debug/TraceFrame.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.debug;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/debug/TraceOptions.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/debug/TraceOptions.java
index 92e2a5edd1..728c4821ca 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/debug/TraceOptions.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/debug/TraceOptions.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.debug;
 
 public class TraceOptions {
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/development/DevelopmentDifficultyCalculators.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/development/DevelopmentDifficultyCalculators.java
index 76ca096698..1622095348 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/development/DevelopmentDifficultyCalculators.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/development/DevelopmentDifficultyCalculators.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.development;
 
 import tech.pegasys.pantheon.ethereum.mainnet.DifficultyCalculator;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/development/DevelopmentProtocolSchedule.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/development/DevelopmentProtocolSchedule.java
index b70f884558..bd9d1b110d 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/development/DevelopmentProtocolSchedule.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/development/DevelopmentProtocolSchedule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.development;
 
 import static tech.pegasys.pantheon.ethereum.mainnet.MainnetTransactionValidator.NO_CHAIN_ID;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/development/DevelopmentProtocolSpecs.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/development/DevelopmentProtocolSpecs.java
index 8c87fc1455..4466b6ddc7 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/development/DevelopmentProtocolSpecs.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/development/DevelopmentProtocolSpecs.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.development;
 
 import tech.pegasys.pantheon.ethereum.mainnet.MainnetProtocolSpecs;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/AbstractMessageProcessor.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/AbstractMessageProcessor.java
index 8205c8300a..5b37503de8 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/AbstractMessageProcessor.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/AbstractMessageProcessor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/AbstractPrecompiledContract.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/AbstractPrecompiledContract.java
index 6c5d8ac419..f4049f666f 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/AbstractPrecompiledContract.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/AbstractPrecompiledContract.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/AttachedBlockHeaderValidationRule.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/AttachedBlockHeaderValidationRule.java
index 2011623122..1dee9a3803 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/AttachedBlockHeaderValidationRule.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/AttachedBlockHeaderValidationRule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/BlockBodyValidator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/BlockBodyValidator.java
index 1d9114faf2..690edbbcea 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/BlockBodyValidator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/BlockBodyValidator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/BlockHeaderValidator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/BlockHeaderValidator.java
index c3e707f19f..94e954434f 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/BlockHeaderValidator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/BlockHeaderValidator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/BlockProcessor.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/BlockProcessor.java
index 3171daa5ed..ff5d5fef41 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/BlockProcessor.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/BlockProcessor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.chain.Blockchain;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/BodyValidation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/BodyValidation.java
index 93fd446ac0..523359e0a4 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/BodyValidation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/BodyValidation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import static tech.pegasys.pantheon.crypto.Hash.keccak256;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ConstantinopleGasCalculator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ConstantinopleGasCalculator.java
index 93b79016a4..b13736c8f2 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ConstantinopleGasCalculator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ConstantinopleGasCalculator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/DetachedBlockHeaderValidationRule.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/DetachedBlockHeaderValidationRule.java
index 45e506092b..f7aff552dd 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/DetachedBlockHeaderValidationRule.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/DetachedBlockHeaderValidationRule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/DifficultyCalculator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/DifficultyCalculator.java
index e3416ae53c..6c518db2ab 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/DifficultyCalculator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/DifficultyCalculator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHash.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHash.java
index 27502cfe28..f1c68d5fe0 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHash.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHash.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.crypto.BouncyCastleMessageDigestFactory;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashBlockCreator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashBlockCreator.java
index 4f595533c2..5397293d9d 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashBlockCreator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashBlockCreator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashCacheFactory.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashCacheFactory.java
index 0838c36e5f..37528a7e09 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashCacheFactory.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashCacheFactory.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import java.util.concurrent.ExecutionException;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashSolution.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashSolution.java
index 934612cae8..342870ac26 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashSolution.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashSolution.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashSolver.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashSolver.java
index e12b7cbb1f..225c0fce17 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashSolver.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashSolver.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashSolverInputs.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashSolverInputs.java
index 4b327f467d..9ae57fe4c6 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashSolverInputs.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashSolverInputs.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.util.uint.UInt256;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHasher.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHasher.java
index 7252d25b02..4b4c47ad9e 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHasher.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/EthHasher.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import java.io.Closeable;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/FrontierGasCalculator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/FrontierGasCalculator.java
index c36a395b13..2e0e333732 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/FrontierGasCalculator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/FrontierGasCalculator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/HeaderValidationMode.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/HeaderValidationMode.java
index 74f250ec1c..410ea6435e 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/HeaderValidationMode.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/HeaderValidationMode.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 public enum HeaderValidationMode {
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/HomesteadGasCalculator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/HomesteadGasCalculator.java
index cd0f4315bc..27b7352560 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/HomesteadGasCalculator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/HomesteadGasCalculator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockBodyValidator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockBodyValidator.java
index 6500e9791c..d7ce45f8df 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockBodyValidator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockBodyValidator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockHashFunction.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockHashFunction.java
index 57f2ca902b..e8427a0185 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockHashFunction.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockHashFunction.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockHeaderValidator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockHeaderValidator.java
index 517019b17c..a92b453917 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockHeaderValidator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockHeaderValidator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockImporter.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockImporter.java
index 540c8658c0..bbe231f5dd 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockImporter.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockImporter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import static org.apache.logging.log4j.LogManager.getLogger;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockProcessor.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockProcessor.java
index 090ff18e47..80241e2011 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockProcessor.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockProcessor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.chain.Blockchain;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetContractCreationProcessor.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetContractCreationProcessor.java
index 2b44d54ae1..5f13fc2dbe 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetContractCreationProcessor.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetContractCreationProcessor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetDifficultyCalculators.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetDifficultyCalculators.java
index 10f5f07e70..e9e87aa5b7 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetDifficultyCalculators.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetDifficultyCalculators.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetEvmRegistries.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetEvmRegistries.java
index a5d814e1a4..3ce5242a25 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetEvmRegistries.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetEvmRegistries.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.vm.EVM;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetMessageCallProcessor.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetMessageCallProcessor.java
index d3c512d4ff..4f9bcdfbea 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetMessageCallProcessor.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetMessageCallProcessor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetPrecompiledContractRegistries.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetPrecompiledContractRegistries.java
index 17638c5fab..d6012398d5 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetPrecompiledContractRegistries.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetPrecompiledContractRegistries.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetProtocolSchedule.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetProtocolSchedule.java
index de5503b456..8500c1b1de 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetProtocolSchedule.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetProtocolSchedule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import io.vertx.core.json.JsonObject;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetProtocolSpecs.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetProtocolSpecs.java
index 461b7d4e4b..afc0c24548 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetProtocolSpecs.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetProtocolSpecs.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.chain.Blockchain;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetTransactionProcessor.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetTransactionProcessor.java
index 883037cb6b..05cbd6a1fd 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetTransactionProcessor.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetTransactionProcessor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.chain.Blockchain;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetTransactionValidator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetTransactionValidator.java
index 2d54908850..72c5aebb55 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetTransactionValidator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetTransactionValidator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import static tech.pegasys.pantheon.ethereum.mainnet.TransactionValidator.TransactionInvalidReason.INCORRECT_NONCE;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MiningBeneficiaryCalculator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MiningBeneficiaryCalculator.java
index 9429b300d9..d4a70782be 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MiningBeneficiaryCalculator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MiningBeneficiaryCalculator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MutableProtocolSchedule.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MutableProtocolSchedule.java
index 996167c08e..0c589fd842 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MutableProtocolSchedule.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MutableProtocolSchedule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/PrecompileContractRegistry.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/PrecompileContractRegistry.java
index cb26093b71..2c6f9dacf7 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/PrecompileContractRegistry.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/PrecompileContractRegistry.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/PrecompiledContract.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/PrecompiledContract.java
index 8173a838ae..1b45b25b7f 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/PrecompiledContract.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/PrecompiledContract.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolSchedule.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolSchedule.java
index 067661317d..8fa9285b11 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolSchedule.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolSchedule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 public interface ProtocolSchedule<C> {
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolSpec.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolSpec.java
index 8e94d18599..f9ac1d9735 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolSpec.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolSpec.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHashFunction;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolSpecBuilder.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolSpecBuilder.java
index adba966063..ac7223aa63 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolSpecBuilder.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolSpecBuilder.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import static com.google.common.base.Preconditions.checkNotNull;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ScheduleBasedBlockHashFunction.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ScheduleBasedBlockHashFunction.java
index 4f8d85ae8e..21804335b4 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ScheduleBasedBlockHashFunction.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ScheduleBasedBlockHashFunction.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHashFunction;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ScheduledProtocolSpec.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ScheduledProtocolSpec.java
index 8850f0b32c..d21b2fa6ca 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ScheduledProtocolSpec.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ScheduledProtocolSpec.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 /** Tuple that associates a {@link ProtocolSpec} with a given block level starting point */
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/SpuriousDragonGasCalculator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/SpuriousDragonGasCalculator.java
index b4adddce7a..cd746c80e1 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/SpuriousDragonGasCalculator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/SpuriousDragonGasCalculator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/TangerineWhistleGasCalculator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/TangerineWhistleGasCalculator.java
index f99cf9b42e..596b15d7f7 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/TangerineWhistleGasCalculator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/TangerineWhistleGasCalculator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/TransactionProcessor.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/TransactionProcessor.java
index 8219037274..396497bd08 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/TransactionProcessor.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/TransactionProcessor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import static tech.pegasys.pantheon.ethereum.vm.OperationTracer.NO_TRACING;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/TransactionReceiptType.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/TransactionReceiptType.java
index 2fd3002ff5..935af40c08 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/TransactionReceiptType.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/TransactionReceiptType.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 public enum TransactionReceiptType {
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/TransactionValidator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/TransactionValidator.java
index 8386f8de33..9ecea7cfea 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/TransactionValidator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/TransactionValidator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ValidationResult.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ValidationResult.java
index 4584809e93..892d980fb9 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ValidationResult.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ValidationResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import java.util.NoSuchElementException;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/AncestryValidationRule.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/AncestryValidationRule.java
index bbad1e2594..e901b5a5a9 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/AncestryValidationRule.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/AncestryValidationRule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.headervalidationrules;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/CalculatedDifficultyValidationRule.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/CalculatedDifficultyValidationRule.java
index f9ca622223..40ee2a041b 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/CalculatedDifficultyValidationRule.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/CalculatedDifficultyValidationRule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.headervalidationrules;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ConstantFieldValidationRule.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ConstantFieldValidationRule.java
index 241dc0f992..23040ebe86 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ConstantFieldValidationRule.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ConstantFieldValidationRule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.headervalidationrules;
 
 import static org.apache.logging.log4j.LogManager.getLogger;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ExtraDataMaxLengthValidationRule.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ExtraDataMaxLengthValidationRule.java
index 8b1a1df01f..b0e91b1c81 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ExtraDataMaxLengthValidationRule.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ExtraDataMaxLengthValidationRule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.headervalidationrules;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/GasLimitRangeAndDeltaValidationRule.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/GasLimitRangeAndDeltaValidationRule.java
index a03c2fb37f..45e44e690b 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/GasLimitRangeAndDeltaValidationRule.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/GasLimitRangeAndDeltaValidationRule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.headervalidationrules;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/GasUsageValidationRule.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/GasUsageValidationRule.java
index 8f5fe09b6c..ca4f1d416f 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/GasUsageValidationRule.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/GasUsageValidationRule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.headervalidationrules;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ProofOfWorkValidationRule.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ProofOfWorkValidationRule.java
index 4d74c320c2..0ff92e5866 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ProofOfWorkValidationRule.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ProofOfWorkValidationRule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.headervalidationrules;
 
 import tech.pegasys.pantheon.crypto.BouncyCastleMessageDigestFactory;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/TimestampValidationRule.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/TimestampValidationRule.java
index 5cecb5b9d4..953774bd3f 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/TimestampValidationRule.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/TimestampValidationRule.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.headervalidationrules;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/AltBN128AddPrecompiledContract.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/AltBN128AddPrecompiledContract.java
index 563b665004..ec894f1026 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/AltBN128AddPrecompiledContract.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/AltBN128AddPrecompiledContract.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.precompiles;
 
 import tech.pegasys.pantheon.crypto.altbn128.AltBn128Point;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/AltBN128MulPrecompiledContract.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/AltBN128MulPrecompiledContract.java
index c47c8310bd..97ddc60c40 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/AltBN128MulPrecompiledContract.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/AltBN128MulPrecompiledContract.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.precompiles;
 
 import tech.pegasys.pantheon.crypto.altbn128.AltBn128Point;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/AltBN128PairingPrecompiledContract.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/AltBN128PairingPrecompiledContract.java
index 2e031e123c..c528e2b286 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/AltBN128PairingPrecompiledContract.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/AltBN128PairingPrecompiledContract.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.precompiles;
 
 import tech.pegasys.pantheon.crypto.altbn128.AltBn128Fq12Pairer;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/BigIntegerModularExponentiationPrecompiledContract.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/BigIntegerModularExponentiationPrecompiledContract.java
index b2b09cbdf9..9ba1c8f444 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/BigIntegerModularExponentiationPrecompiledContract.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/BigIntegerModularExponentiationPrecompiledContract.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.precompiles;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/ECRECPrecompiledContract.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/ECRECPrecompiledContract.java
index 9c0ee8e615..5c52556902 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/ECRECPrecompiledContract.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/ECRECPrecompiledContract.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.precompiles;
 
 import tech.pegasys.pantheon.crypto.SECP256K1.PublicKey;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/IDPrecompiledContract.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/IDPrecompiledContract.java
index cc31f3e4a8..73884944f9 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/IDPrecompiledContract.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/IDPrecompiledContract.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.precompiles;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/RIPEMD160PrecompiledContract.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/RIPEMD160PrecompiledContract.java
index 0797ee5454..0679a25b08 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/RIPEMD160PrecompiledContract.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/RIPEMD160PrecompiledContract.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.precompiles;
 
 import tech.pegasys.pantheon.crypto.Hash;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/SHA256PrecompiledContract.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/SHA256PrecompiledContract.java
index 9754a0e075..90f1e95443 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/SHA256PrecompiledContract.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/SHA256PrecompiledContract.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.precompiles;
 
 import tech.pegasys.pantheon.crypto.Hash;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/util/BlockchainUtil.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/util/BlockchainUtil.java
index e349bdae05..14ffa6e48d 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/util/BlockchainUtil.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/util/BlockchainUtil.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.util;
 
 import tech.pegasys.pantheon.ethereum.chain.Blockchain;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/util/ByteArrayUtil.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/util/ByteArrayUtil.java
index 1822886940..493d3f79fa 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/util/ByteArrayUtil.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/util/ByteArrayUtil.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.util;
 
 import com.google.common.primitives.Longs;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/util/RawBlockIterator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/util/RawBlockIterator.java
index e3d18ebb62..904f2db1bd 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/util/RawBlockIterator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/util/RawBlockIterator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.util;
 
 import tech.pegasys.pantheon.ethereum.core.Block;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/AbstractCallOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/AbstractCallOperation.java
index d18393c2f9..7ce21db429 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/AbstractCallOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/AbstractCallOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/AbstractOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/AbstractOperation.java
index 0291c0cb48..9245a85cca 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/AbstractOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/AbstractOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 /**
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/BlockHashLookup.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/BlockHashLookup.java
index c72304a0b8..ae22b1f448 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/BlockHashLookup.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/BlockHashLookup.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.ethereum.chain.Blockchain;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/Code.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/Code.java
index 50ce77eca7..017ad29c64 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/Code.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/Code.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.ethereum.vm.operations.JumpDestOperation;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/DebugOperationTracer.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/DebugOperationTracer.java
index ec1a28dcd3..5e45f68819 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/DebugOperationTracer.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/DebugOperationTracer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import static tech.pegasys.pantheon.util.uint.UInt256.U_32;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/EVM.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/EVM.java
index e931543fbb..c7c9ec4ec5 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/EVM.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/EVM.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import static org.apache.logging.log4j.LogManager.getLogger;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ExceptionalHaltReason.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ExceptionalHaltReason.java
index 4825bd1857..250b42a8f3 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ExceptionalHaltReason.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ExceptionalHaltReason.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 public enum ExceptionalHaltReason {
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/GasCalculator.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/GasCalculator.java
index 830927bd9b..ea54b64937 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/GasCalculator.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/GasCalculator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/Memory.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/Memory.java
index c5ca11a5ce..84d70dee20 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/Memory.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/Memory.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/MessageFrame.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/MessageFrame.java
index a3d81347c0..064e070dd1 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/MessageFrame.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/MessageFrame.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import static com.google.common.base.Preconditions.checkState;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/OperandStack.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/OperandStack.java
index 39baecc617..63818f1bd0 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/OperandStack.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/OperandStack.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/Operation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/Operation.java
index c948124687..f384921c1b 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/Operation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/Operation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/OperationRegistry.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/OperationRegistry.java
index fc23cb332c..0a095e90ea 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/OperationRegistry.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/OperationRegistry.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 /** Encapsulates a group of {@link Operation}s used together. */
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/OperationTracer.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/OperationTracer.java
index 2919f7701d..e360b4e152 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/OperationTracer.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/OperationTracer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/PreAllocatedOperandStack.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/PreAllocatedOperandStack.java
index 32cf5cdfec..b8d66ce26a 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/PreAllocatedOperandStack.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/PreAllocatedOperandStack.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/Words.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/Words.java
index 1273fabb83..3909874cf0 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/Words.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/Words.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/ExceptionalHaltException.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/ExceptionalHaltException.java
index bbb073b6c0..e3f3b1af18 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/ExceptionalHaltException.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/ExceptionalHaltException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.ehalt;
 
 import tech.pegasys.pantheon.ethereum.vm.ExceptionalHaltReason;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/ExceptionalHaltManager.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/ExceptionalHaltManager.java
index 83e34c56f9..ca02fd6267 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/ExceptionalHaltManager.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/ExceptionalHaltManager.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.ehalt;
 
 import tech.pegasys.pantheon.ethereum.vm.EVM;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/ExceptionalHaltPredicate.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/ExceptionalHaltPredicate.java
index 10a93aa09a..5acf9105ae 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/ExceptionalHaltPredicate.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/ExceptionalHaltPredicate.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.ehalt;
 
 import tech.pegasys.pantheon.ethereum.vm.EVM;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/InsufficientGasExceptionalHaltPredicate.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/InsufficientGasExceptionalHaltPredicate.java
index c773216d54..572f137146 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/InsufficientGasExceptionalHaltPredicate.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/InsufficientGasExceptionalHaltPredicate.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.ehalt;
 
 import tech.pegasys.pantheon.ethereum.vm.EVM;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/InvalidOperationExceptionalHaltPredicate.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/InvalidOperationExceptionalHaltPredicate.java
index 661e254521..9d080ddac6 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/InvalidOperationExceptionalHaltPredicate.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/InvalidOperationExceptionalHaltPredicate.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.ehalt;
 
 import tech.pegasys.pantheon.ethereum.vm.EVM;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/StackOverflowExceptionalHaltPredicate.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/StackOverflowExceptionalHaltPredicate.java
index d94d6b1114..9c5fd43cf9 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/StackOverflowExceptionalHaltPredicate.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/StackOverflowExceptionalHaltPredicate.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.ehalt;
 
 import tech.pegasys.pantheon.ethereum.vm.EVM;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/StackUnderflowExceptionalHaltPredicate.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/StackUnderflowExceptionalHaltPredicate.java
index eded81ff1b..e32e42bf35 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/StackUnderflowExceptionalHaltPredicate.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/ehalt/StackUnderflowExceptionalHaltPredicate.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.ehalt;
 
 import tech.pegasys.pantheon.ethereum.vm.EVM;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AbstractCreateOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AbstractCreateOperation.java
index b6caa0db09..7db7d1c7a6 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AbstractCreateOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AbstractCreateOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AddModOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AddModOperation.java
index 6e6ffb5fde..f48a3d5dc6 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AddModOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AddModOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AddOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AddOperation.java
index 4539d64ebc..1aacae982e 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AddOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AddOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AddressOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AddressOperation.java
index f1b3733e96..d57c248a9f 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AddressOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AddressOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AndOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AndOperation.java
index 3566c0ff2d..46d7def1eb 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AndOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/AndOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/BalanceOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/BalanceOperation.java
index 861dbbd0ea..395b2a61f3 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/BalanceOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/BalanceOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/BlockHashOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/BlockHashOperation.java
index b92f1d176a..c102619799 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/BlockHashOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/BlockHashOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ByteOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ByteOperation.java
index 448331ad25..f30c6a5531 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ByteOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ByteOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallCodeOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallCodeOperation.java
index 6d84836271..cb8bbb3844 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallCodeOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallCodeOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallDataCopyOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallDataCopyOperation.java
index 581870eab2..e0b71e7202 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallDataCopyOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallDataCopyOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallDataLoadOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallDataLoadOperation.java
index 3a694a83b1..f1aaaf0614 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallDataLoadOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallDataLoadOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallDataSizeOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallDataSizeOperation.java
index 5c9fc1fd00..346ce7ad31 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallDataSizeOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallDataSizeOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallOperation.java
index d7c284baa1..6e125aeb5b 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallValueOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallValueOperation.java
index 8e66beaa2d..c1e395ebb5 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallValueOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallValueOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallerOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallerOperation.java
index a155d0196e..59d1b00628 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallerOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CallerOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CodeCopyOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CodeCopyOperation.java
index 8a9401b280..1bdc5bbfae 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CodeCopyOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CodeCopyOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CodeSizeOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CodeSizeOperation.java
index 7f3bc35ff5..ac5a932725 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CodeSizeOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CodeSizeOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CoinbaseOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CoinbaseOperation.java
index 58e46b1b95..02ef1374be 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CoinbaseOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CoinbaseOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/Create2Operation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/Create2Operation.java
index abd895cbd6..b3d054a0e9 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/Create2Operation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/Create2Operation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CreateOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CreateOperation.java
index 7efd2a3550..e5061312a4 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CreateOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/CreateOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/DelegateCallOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/DelegateCallOperation.java
index 7226751e04..92fdf1ffa3 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/DelegateCallOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/DelegateCallOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/DifficultyOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/DifficultyOperation.java
index 339628e02b..b35195a333 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/DifficultyOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/DifficultyOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/DivOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/DivOperation.java
index be9b020ba7..69cc1788a8 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/DivOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/DivOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/DupOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/DupOperation.java
index 86c50500cc..8ac617a41b 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/DupOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/DupOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/EqOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/EqOperation.java
index 132431dc22..935ca72606 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/EqOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/EqOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ExpOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ExpOperation.java
index 34028c7854..4b801d7e89 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ExpOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ExpOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ExtCodeCopyOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ExtCodeCopyOperation.java
index 2904e3ddf1..48cc4fd8d3 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ExtCodeCopyOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ExtCodeCopyOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ExtCodeHashOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ExtCodeHashOperation.java
index da0b8f0855..2cbfe1beb7 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ExtCodeHashOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ExtCodeHashOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ExtCodeSizeOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ExtCodeSizeOperation.java
index 2291a0bcf1..caa8c63371 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ExtCodeSizeOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ExtCodeSizeOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/GasLimitOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/GasLimitOperation.java
index 655a2e5e89..2c09dddb56 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/GasLimitOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/GasLimitOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/GasOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/GasOperation.java
index 968b2f7b67..681dd73fb9 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/GasOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/GasOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/GasPriceOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/GasPriceOperation.java
index e72fa2c71c..61e45263fa 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/GasPriceOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/GasPriceOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/GtOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/GtOperation.java
index ac24386a62..4420f759db 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/GtOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/GtOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/InvalidOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/InvalidOperation.java
index 93af5d5cb4..ba28487c9b 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/InvalidOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/InvalidOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/IsZeroOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/IsZeroOperation.java
index fae1f11faa..20e4ac71f4 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/IsZeroOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/IsZeroOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/JumpDestOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/JumpDestOperation.java
index db01ced459..606155a581 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/JumpDestOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/JumpDestOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/JumpOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/JumpOperation.java
index 76975cfd80..5e151d3ae6 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/JumpOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/JumpOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/JumpiOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/JumpiOperation.java
index 1d88bb8456..084f450266 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/JumpiOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/JumpiOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/LogOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/LogOperation.java
index 9cc4821ebe..b74b1164db 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/LogOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/LogOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/LtOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/LtOperation.java
index bcfb48892d..9baa3982c4 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/LtOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/LtOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MLoadOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MLoadOperation.java
index 299e36cae5..8055f9b39d 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MLoadOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MLoadOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MSizeOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MSizeOperation.java
index 77e8cc6889..b239a6f046 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MSizeOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MSizeOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MStore8Operation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MStore8Operation.java
index a3c33501bc..594ac49c68 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MStore8Operation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MStore8Operation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MStoreOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MStoreOperation.java
index eb8ebc9827..d231e6c714 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MStoreOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MStoreOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ModOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ModOperation.java
index 701a00d6d8..27422386db 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ModOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ModOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MulModOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MulModOperation.java
index 31f9819b3b..900c97bc86 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MulModOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MulModOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MulOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MulOperation.java
index d24018862a..0c74542ba0 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MulOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/MulOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/NotOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/NotOperation.java
index 8715372fa2..64c07ce128 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/NotOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/NotOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/NumberOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/NumberOperation.java
index b812edc031..fbe8631ef9 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/NumberOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/NumberOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/OrOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/OrOperation.java
index 8512fd9277..48a0fd1c3f 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/OrOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/OrOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/OriginOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/OriginOperation.java
index 8096c64a68..2af1b8dc64 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/OriginOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/OriginOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/PCOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/PCOperation.java
index eaae9ddf18..b64b3cc0cd 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/PCOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/PCOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/PopOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/PopOperation.java
index 5b237c434b..4539f75971 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/PopOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/PopOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/PushOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/PushOperation.java
index 35e9e4380e..1db4d68ad7 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/PushOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/PushOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import static java.lang.Math.min;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ReturnDataCopyOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ReturnDataCopyOperation.java
index d2fe6d2601..c4c033ed60 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ReturnDataCopyOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ReturnDataCopyOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ReturnDataSizeOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ReturnDataSizeOperation.java
index 68201ee68e..3a55af8be8 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ReturnDataSizeOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ReturnDataSizeOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ReturnOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ReturnOperation.java
index 92c608a6b7..a70f530830 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ReturnOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ReturnOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/RevertOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/RevertOperation.java
index ebdc0910a7..0ee2039ccc 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/RevertOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/RevertOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SDivOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SDivOperation.java
index a3c1fdb128..057c3ada10 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SDivOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SDivOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SGtOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SGtOperation.java
index a5b2c89ab4..e110d09441 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SGtOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SGtOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SLoadOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SLoadOperation.java
index 9c486da96b..369c38c43b 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SLoadOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SLoadOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SLtOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SLtOperation.java
index e6b3c7b478..36217b2a9a 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SLtOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SLtOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SModOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SModOperation.java
index c226e8a578..ed725f5948 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SModOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SModOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SStoreOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SStoreOperation.java
index ab29bdd9ad..a8a98615c5 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SStoreOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SStoreOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SarOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SarOperation.java
index 0364375f98..2875edded6 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SarOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SarOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import static tech.pegasys.pantheon.util.uint.UInt256s.greaterThanOrEqualTo256;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SelfDestructOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SelfDestructOperation.java
index f78c53b6ec..41b35c37d9 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SelfDestructOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SelfDestructOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/Sha3Operation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/Sha3Operation.java
index e08d79969e..3b6b123aaa 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/Sha3Operation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/Sha3Operation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ShlOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ShlOperation.java
index 3eebd46a92..04e38b63d7 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ShlOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ShlOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import static tech.pegasys.pantheon.util.uint.UInt256s.greaterThanOrEqualTo256;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ShrOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ShrOperation.java
index ff18dee35e..43f9d0e13f 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ShrOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/ShrOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import static tech.pegasys.pantheon.util.uint.UInt256s.greaterThanOrEqualTo256;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SignExtendOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SignExtendOperation.java
index efacf34459..6442458a69 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SignExtendOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SignExtendOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/StaticCallOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/StaticCallOperation.java
index 4b042b7686..af514d2cfc 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/StaticCallOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/StaticCallOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/StopOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/StopOperation.java
index 91d6ab4d94..f6b96940fa 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/StopOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/StopOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SubOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SubOperation.java
index 364e6139a6..0b4bd8c450 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SubOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SubOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SwapOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SwapOperation.java
index b0dd2f4e4f..2b866e5c3c 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SwapOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/SwapOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/TimestampOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/TimestampOperation.java
index 346b822160..b93fb6075a 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/TimestampOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/TimestampOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/XorOperation.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/XorOperation.java
index 7496c10dbf..a8e51a81ee 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/XorOperation.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/operations/XorOperation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/worldstate/DebuggableMutableWorldState.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/worldstate/DebuggableMutableWorldState.java
index ce8c69f587..45ac96cbc0 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/worldstate/DebuggableMutableWorldState.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/worldstate/DebuggableMutableWorldState.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.worldstate;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/worldstate/DefaultMutableWorldState.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/worldstate/DefaultMutableWorldState.java
index 8ff7b0b655..08e0aadbb2 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/worldstate/DefaultMutableWorldState.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/worldstate/DefaultMutableWorldState.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.worldstate;
 
 import tech.pegasys.pantheon.ethereum.core.AbstractWorldUpdater;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/worldstate/KeyValueStorageWorldStateStorage.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/worldstate/KeyValueStorageWorldStateStorage.java
index 9d1cab2525..356356e17e 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/worldstate/KeyValueStorageWorldStateStorage.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/worldstate/KeyValueStorageWorldStateStorage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.worldstate;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/worldstate/WorldStateStorage.java b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/worldstate/WorldStateStorage.java
index 10b6515f6d..8ddf806692 100644
--- a/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/worldstate/WorldStateStorage.java
+++ b/ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/worldstate/WorldStateStorage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.worldstate;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/AddressHelpers.java b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/AddressHelpers.java
index 0cfb667d16..9c33377796 100644
--- a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/AddressHelpers.java
+++ b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/AddressHelpers.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import java.math.BigInteger;
diff --git a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/BlockHeaderTestFixture.java b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/BlockHeaderTestFixture.java
index cc8a01a530..e27e21d093 100644
--- a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/BlockHeaderTestFixture.java
+++ b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/BlockHeaderTestFixture.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.mainnet.MainnetBlockHashFunction;
diff --git a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/BlockSyncTestUtils.java b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/BlockSyncTestUtils.java
index e9cb6af215..09795e6ab8 100644
--- a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/BlockSyncTestUtils.java
+++ b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/BlockSyncTestUtils.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.mainnet.MainnetBlockHashFunction;
diff --git a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/ExecutionContextTestFixture.java b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/ExecutionContextTestFixture.java
index b823a61f62..ce166606b3 100644
--- a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/ExecutionContextTestFixture.java
+++ b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/ExecutionContextTestFixture.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/HeaderDecodingHelpers.java b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/HeaderDecodingHelpers.java
index e2d4964bc2..b2ab687d43 100644
--- a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/HeaderDecodingHelpers.java
+++ b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/HeaderDecodingHelpers.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.mainnet.MainnetBlockHashFunction;
diff --git a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/InMemoryWorldState.java b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/InMemoryWorldState.java
index 55ada1e18f..b9df0d7fdd 100644
--- a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/InMemoryWorldState.java
+++ b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/InMemoryWorldState.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.db.WorldStateArchive;
diff --git a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/MessageFrameTestFixture.java b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/MessageFrameTestFixture.java
index f7b13b6a64..9c7b09f117 100644
--- a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/MessageFrameTestFixture.java
+++ b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/MessageFrameTestFixture.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.chain.Blockchain;
diff --git a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/MiningParametersTestBuilder.java b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/MiningParametersTestBuilder.java
index c117a33ee0..37a9fbe945 100644
--- a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/MiningParametersTestBuilder.java
+++ b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/MiningParametersTestBuilder.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.blockcreation.MiningParameters;
diff --git a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/TestCodeExecutor.java b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/TestCodeExecutor.java
index fb32bbef79..8da3bed6ec 100644
--- a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/TestCodeExecutor.java
+++ b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/TestCodeExecutor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.crypto.SECP256K1.Signature;
diff --git a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/TransactionTestFixture.java b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/TransactionTestFixture.java
index 720fd282a0..8855c7f7c1 100644
--- a/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/TransactionTestFixture.java
+++ b/ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/TransactionTestFixture.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.crypto.SECP256K1.KeyPair;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockMinerTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockMinerTest.java
index 45e9814571..4f3a399d47 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockMinerTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockMinerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import static org.mockito.ArgumentMatchers.any;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockTransactionSelectorTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockTransactionSelectorTest.java
index 3a5804101e..debbd42104 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockTransactionSelectorTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockTransactionSelectorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/DefaultBlockSchedulerTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/DefaultBlockSchedulerTest.java
index 8c290ee3d6..f6ff665a6c 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/DefaultBlockSchedulerTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/DefaultBlockSchedulerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashMinerExecutorTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashMinerExecutorTest.java
index 2aa6dbe49e..bb17ec6516 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashMinerExecutorTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashMinerExecutorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import static org.assertj.core.api.Assertions.assertThatExceptionOfType;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashMiningCoordinatorTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashMiningCoordinatorTest.java
index 891efdc2c5..a1683b19d5 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashMiningCoordinatorTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashMiningCoordinatorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/IncrementingNonceGeneratorTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/IncrementingNonceGeneratorTest.java
index b54ba2b5c3..9ea20927c9 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/IncrementingNonceGeneratorTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/IncrementingNonceGeneratorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.blockcreation;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/chain/GenesisConfigTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/chain/GenesisConfigTest.java
index 74f432fb45..446a273df2 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/chain/GenesisConfigTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/chain/GenesisConfigTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.chain;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/AccountTransactionOrderTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/AccountTransactionOrderTest.java
index 38caf21a00..c131fd8703 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/AccountTransactionOrderTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/AccountTransactionOrderTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/BlockHeaderMock.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/BlockHeaderMock.java
index a1ce7fd8e9..a7183f46f1 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/BlockHeaderMock.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/BlockHeaderMock.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.mainnet.MainnetBlockHashFunction;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/HashTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/HashTest.java
index daa4b6701d..3ab6fa0a0a 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/HashTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/HashTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/LogTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/LogTest.java
index 4658dd84aa..f70bb3855c 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/LogTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/LogTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static org.junit.Assert.assertEquals;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/LogsBloomFilterTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/LogsBloomFilterTest.java
index 934bd59b0e..b4329ea4e6 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/LogsBloomFilterTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/LogsBloomFilterTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static org.junit.Assert.assertEquals;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/LogsBloomFilterTestCaseSpec.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/LogsBloomFilterTestCaseSpec.java
index 0bf33e8968..1ab003c5bf 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/LogsBloomFilterTestCaseSpec.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/LogsBloomFilterTestCaseSpec.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.ethereum.vm.LogMock;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/PendingTransactionsTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/PendingTransactionsTest.java
index 5ff1147c20..39f57f1c63 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/PendingTransactionsTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/PendingTransactionsTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionIntegrationTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionIntegrationTest.java
index a35e374e79..5563c818c8 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionIntegrationTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionIntegrationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static org.junit.Assert.assertEquals;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionPoolTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionPoolTest.java
index c358e5fe92..03998d8019 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionPoolTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionPoolTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static java.util.Arrays.asList;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionReceiptTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionReceiptTest.java
index f40b4f87b1..e718053976 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionReceiptTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionReceiptTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static org.junit.Assert.assertEquals;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionTest.java
index 3a8f2e055f..7349e2f65e 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import static org.junit.Assume.assumeTrue;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionTestCaseSpec.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionTestCaseSpec.java
index 328ffb6d01..362bd4f4ef 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionTestCaseSpec.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/core/TransactionTestCaseSpec.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.core;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/db/DefaultMutableBlockchainTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/db/DefaultMutableBlockchainTest.java
index 09367eac3e..68d6e0a944 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/db/DefaultMutableBlockchainTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/db/DefaultMutableBlockchainTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.db;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/development/DevelopmentProtocolScheduleTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/development/DevelopmentProtocolScheduleTest.java
index bf65ef2a0b..e11d82e204 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/development/DevelopmentProtocolScheduleTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/development/DevelopmentProtocolScheduleTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.development;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/BlockHeaderValidatorTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/BlockHeaderValidatorTest.java
index d300bbe3ed..4b55e6f42b 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/BlockHeaderValidatorTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/BlockHeaderValidatorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/BodyValidationTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/BodyValidationTest.java
index f51359e4fb..d84f55ee07 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/BodyValidationTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/BodyValidationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.BlockBody;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/ConstantinopleSstoreGasTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/ConstantinopleSstoreGasTest.java
index 1fba9bb04a..ada785466b 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/ConstantinopleSstoreGasTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/ConstantinopleSstoreGasTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashBlockCreatorTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashBlockCreatorTest.java
index 21c1d9f3e3..882706bd45 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashBlockCreatorTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashBlockCreatorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashSolverTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashSolverTest.java
index 265cbd1d1a..054c086c00 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashSolverTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashSolverTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashTest.java
index b9c491b16f..ce1791fe7b 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/EthHashTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/EthHasherTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/EthHasherTest.java
index 3be77b5bc5..906afe0c85 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/EthHasherTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/EthHasherTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockHeaderValidatorTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockHeaderValidatorTest.java
index c6a6cf79d5..c31517898c 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockHeaderValidatorTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockHeaderValidatorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockProcessorTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockProcessorTest.java
index 278c6029fa..c63edda63b 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockProcessorTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetBlockProcessorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import static java.util.Collections.emptyList;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetProtocolScheduleTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetProtocolScheduleTest.java
index 5e25744176..42e20aed27 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetProtocolScheduleTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetProtocolScheduleTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import io.vertx.core.json.JsonObject;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetTransactionValidatorTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetTransactionValidatorTest.java
index 6f6e7365d0..ed38460784 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetTransactionValidatorTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetTransactionValidatorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolScheduleTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolScheduleTest.java
index 9104525e8d..98b7fd0271 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolScheduleTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolScheduleTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/ValidationResultTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/ValidationResultTest.java
index 1c5c52f473..e38e36fd3d 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/ValidationResultTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/ValidationResultTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/ValidationTestUtils.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/ValidationTestUtils.java
index 4e5619cffe..db41f40d41 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/ValidationTestUtils.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/ValidationTestUtils.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.ethereum.core.Block;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/AncestryValidationRuleTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/AncestryValidationRuleTest.java
index 52a4ffdb2b..aacef0ee57 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/AncestryValidationRuleTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/AncestryValidationRuleTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.headervalidationrules;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ConstantFieldValidationRuleTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ConstantFieldValidationRuleTest.java
index 33282688f5..4662a54f3a 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ConstantFieldValidationRuleTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ConstantFieldValidationRuleTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.headervalidationrules;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ExtraDataMaxLengthValidationRuleTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ExtraDataMaxLengthValidationRuleTest.java
index d8475ef26a..09e520e663 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ExtraDataMaxLengthValidationRuleTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ExtraDataMaxLengthValidationRuleTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.headervalidationrules;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/GasLimitRangeAndDeltaValidationRuleTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/GasLimitRangeAndDeltaValidationRuleTest.java
index 97e1bb42ec..658c9097de 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/GasLimitRangeAndDeltaValidationRuleTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/GasLimitRangeAndDeltaValidationRuleTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.headervalidationrules;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/GasUsageValidationRuleTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/GasUsageValidationRuleTest.java
index ef873b4cf7..48d88b571d 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/GasUsageValidationRuleTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/GasUsageValidationRuleTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.headervalidationrules;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/TimestampValidationRuleTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/TimestampValidationRuleTest.java
index 51afdbc45c..75cbfdaad8 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/TimestampValidationRuleTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/TimestampValidationRuleTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.headervalidationrules;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/ECRECPrecompiledContractTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/ECRECPrecompiledContractTest.java
index 7fbd125e6c..f6bf7b6587 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/ECRECPrecompiledContractTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/precompiles/ECRECPrecompiledContractTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.mainnet.precompiles;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/testutil/BlockDataGenerator.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/testutil/BlockDataGenerator.java
index bd44828030..04b64ff12d 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/testutil/BlockDataGenerator.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/testutil/BlockDataGenerator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.testutil;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/util/BlockchainUtilParameterizedTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/util/BlockchainUtilParameterizedTest.java
index 6fe3b5730d..667101a70a 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/util/BlockchainUtilParameterizedTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/util/BlockchainUtilParameterizedTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.util;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/AbstractRetryingTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/AbstractRetryingTest.java
index 68995cf90f..ec993d7ea2 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/AbstractRetryingTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/AbstractRetryingTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import org.apache.logging.log4j.LogManager;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/AddressMock.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/AddressMock.java
index 7935a2abaa..8ba44c3a86 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/AddressMock.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/AddressMock.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/AddressTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/AddressTest.java
index d40567433a..2aa4354d44 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/AddressTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/AddressTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/BlockHashLookupTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/BlockHashLookupTest.java
index 5eb6e1d2ca..b4062906e3 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/BlockHashLookupTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/BlockHashLookupTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/BlockchainReferenceTestCaseSpec.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/BlockchainReferenceTestCaseSpec.java
index 40feba39b9..176501f01a 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/BlockchainReferenceTestCaseSpec.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/BlockchainReferenceTestCaseSpec.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import static tech.pegasys.pantheon.ethereum.core.InMemoryWorldState.createInMemoryWorldStateArchive;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/BlockchainReferenceTestTools.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/BlockchainReferenceTestTools.java
index 7800ebf65f..af62dac2f3 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/BlockchainReferenceTestTools.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/BlockchainReferenceTestTools.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/CodeMock.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/CodeMock.java
index b92f3a6091..b803869462 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/CodeMock.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/CodeMock.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/DebugOperationTracerTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/DebugOperationTracerTest.java
index 47182abcef..14efa39515 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/DebugOperationTracerTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/DebugOperationTracerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/EnvironmentInformation.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/EnvironmentInformation.java
index faf8cae2e2..75ce9e0d9e 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/EnvironmentInformation.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/EnvironmentInformation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/GeneralStateReferenceTestTools.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/GeneralStateReferenceTestTools.java
index ff32044771..b1bebbf893 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/GeneralStateReferenceTestTools.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/GeneralStateReferenceTestTools.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import static org.junit.Assert.assertEquals;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/GeneralStateTestCaseEipSpec.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/GeneralStateTestCaseEipSpec.java
index edf1463422..17cee49e2d 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/GeneralStateTestCaseEipSpec.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/GeneralStateTestCaseEipSpec.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/GeneralStateTestCaseSpec.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/GeneralStateTestCaseSpec.java
index d87fc0bdc8..32f45fbe76 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/GeneralStateTestCaseSpec.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/GeneralStateTestCaseSpec.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/LogMock.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/LogMock.java
index 9db7b6b929..f3e6b00e53 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/LogMock.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/LogMock.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/MemoryTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/MemoryTest.java
index 4f100a41ae..1f6c63512f 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/MemoryTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/MemoryTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/PreAllocatedOperandStackTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/PreAllocatedOperandStackTest.java
index 54f6856bbd..6fe2f41347 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/PreAllocatedOperandStackTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/PreAllocatedOperandStackTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/ReferenceTestProtocolSchedules.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/ReferenceTestProtocolSchedules.java
index 8115860a0c..e95ce4f9fe 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/ReferenceTestProtocolSchedules.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/ReferenceTestProtocolSchedules.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.ethereum.mainnet.MainnetProtocolSpecs;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/StateTestVersionedTransaction.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/StateTestVersionedTransaction.java
index ab80b24952..6c6dd1e5b4 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/StateTestVersionedTransaction.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/StateTestVersionedTransaction.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.crypto.SECP256K1.KeyPair;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/TestBlockchain.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/TestBlockchain.java
index bd472964d4..1c543d5c12 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/TestBlockchain.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/TestBlockchain.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/VMReferenceTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/VMReferenceTest.java
index fc9b804758..690eb175b3 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/VMReferenceTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/VMReferenceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import static org.junit.Assert.assertEquals;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/VMReferenceTestCaseSpec.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/VMReferenceTestCaseSpec.java
index 74f71dec70..ad9697ef2e 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/VMReferenceTestCaseSpec.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/VMReferenceTestCaseSpec.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeaderMock;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/WorldStateMock.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/WorldStateMock.java
index 17b492397b..5c58f13c74 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/WorldStateMock.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/WorldStateMock.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/BlockHashOperationTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/BlockHashOperationTest.java
index b2f11dcb19..447240d40e 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/BlockHashOperationTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/BlockHashOperationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ConstantinopleSStoreOperationGasCostTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ConstantinopleSStoreOperationGasCostTest.java
index 2c66255863..6384e7a2d8 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ConstantinopleSStoreOperationGasCostTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ConstantinopleSStoreOperationGasCostTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/Create2OperationTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/Create2OperationTest.java
index 3f784ea614..9c0bb75e78 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/Create2OperationTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/Create2OperationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ExtCodeHashOperationTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ExtCodeHashOperationTest.java
index b9b4714386..a259f4fa36 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ExtCodeHashOperationTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ExtCodeHashOperationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/SarOperationTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/SarOperationTest.java
index bcb22e08c2..cf06e3a99a 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/SarOperationTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/SarOperationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import static org.mockito.Mockito.mock;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ShlOperationTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ShlOperationTest.java
index 19ce35b58a..c19cd39dd2 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ShlOperationTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ShlOperationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import static org.mockito.Mockito.mock;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ShrOperationTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ShrOperationTest.java
index 5de03cc06a..6245a9a3fa 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ShrOperationTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ShrOperationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.vm.operations;
 
 import static org.mockito.Mockito.mock;
diff --git a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/worldstate/DefaultMutableWorldStateTest.java b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/worldstate/DefaultMutableWorldStateTest.java
index cfe890e3d8..107f7f6c35 100644
--- a/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/worldstate/DefaultMutableWorldStateTest.java
+++ b/ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/worldstate/DefaultMutableWorldStateTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.worldstate;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/EthProtocol.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/EthProtocol.java
index d85523acc5..16f67b0c16 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/EthProtocol.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/EthProtocol.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth;
 
 import tech.pegasys.pantheon.ethereum.eth.messages.EthPV62;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractEthTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractEthTask.java
index 0af3457eb1..07b445e26b 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractEthTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractEthTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import java.util.Collection;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractPeerRequestTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractPeerRequestTask.java
index ac05c0fd70..19a1df56d9 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractPeerRequestTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractPeerRequestTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import tech.pegasys.pantheon.ethereum.eth.manager.RequestManager.ResponseStream;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractPeerTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractPeerTask.java
index ff620338a7..dcd24d8176 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractPeerTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractPeerTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import tech.pegasys.pantheon.ethereum.eth.manager.AbstractPeerTask.PeerTaskResult;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractRetryingPeerTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractRetryingPeerTask.java
index 199c865345..396ac0e0cf 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractRetryingPeerTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractRetryingPeerTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import tech.pegasys.pantheon.ethereum.eth.manager.exceptions.MaxRetriesReachedException;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/ChainState.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/ChainState.java
index 9ca0b50aec..2b33fa329e 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/ChainState.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/ChainState.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthContext.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthContext.java
index 27482a0550..fb67ae6e42 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthContext.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthContext.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 public class EthContext {
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthMessage.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthMessage.java
index d23a4f8ee5..170c34816b 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthMessage.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.MessageData;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthMessages.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthMessages.java
index a60a9d9d99..f0583eb120 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthMessages.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthMessages.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import tech.pegasys.pantheon.util.Subscribers;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthPeer.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthPeer.java
index 8f73a2ed86..52f1db5eec 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthPeer.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthPeer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthPeers.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthPeers.java
index d73d0db126..4beb7bcc52 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthPeers.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthPeers.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import tech.pegasys.pantheon.ethereum.eth.manager.EthPeer.DisconnectCallback;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthProtocolManager.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthProtocolManager.java
index 9e66e938dd..e4b3d03a3f 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthProtocolManager.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthProtocolManager.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthScheduler.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthScheduler.java
index 08ed4f3a21..a62c0dedf0 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthScheduler.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthScheduler.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import tech.pegasys.pantheon.util.ExceptionUtils;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthServer.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthServer.java
index 298f879b32..3971a1f9be 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthServer.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthServer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import tech.pegasys.pantheon.ethereum.chain.Blockchain;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthTask.java
index af192c79d1..25fbba2d4d 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/EthTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import java.util.concurrent.CompletableFuture;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/PeerReputation.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/PeerReputation.java
index 006b8372ed..bbdebf57c7 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/PeerReputation.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/PeerReputation.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import static org.apache.logging.log4j.LogManager.getLogger;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/RequestManager.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/RequestManager.java
index 41e0ceb96a..03b3799135 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/RequestManager.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/RequestManager.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.MessageData;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/EthTaskException.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/EthTaskException.java
index 7591056a63..6acf0e4b86 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/EthTaskException.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/EthTaskException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager.exceptions;
 
 public class EthTaskException extends RuntimeException {
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/IncompleteResultsException.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/IncompleteResultsException.java
index 723438443e..09b543a24b 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/IncompleteResultsException.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/IncompleteResultsException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager.exceptions;
 
 public class IncompleteResultsException extends EthTaskException {
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/MaxRetriesReachedException.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/MaxRetriesReachedException.java
index 0d1598dd4a..368ca50734 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/MaxRetriesReachedException.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/MaxRetriesReachedException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager.exceptions;
 
 public class MaxRetriesReachedException extends EthTaskException {
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/NoAvailablePeersException.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/NoAvailablePeersException.java
index 72946404c4..f549a7ed10 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/NoAvailablePeersException.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/NoAvailablePeersException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager.exceptions;
 
 public class NoAvailablePeersException extends EthTaskException {
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/PeerBreachedProtocolException.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/PeerBreachedProtocolException.java
index 0ff6af43a2..8af4221f74 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/PeerBreachedProtocolException.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/PeerBreachedProtocolException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager.exceptions;
 
 public class PeerBreachedProtocolException extends EthTaskException {
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/PeerDisconnectedException.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/PeerDisconnectedException.java
index 1dc8cacddd..13581aff61 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/PeerDisconnectedException.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/manager/exceptions/PeerDisconnectedException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager.exceptions;
 
 public class PeerDisconnectedException extends EthTaskException {
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockBodiesMessage.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockBodiesMessage.java
index ddcc0e504e..2438969a61 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockBodiesMessage.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockBodiesMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.BlockBody;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockHeadersMessage.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockHeadersMessage.java
index 96edc87f24..0d247bdc28 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockHeadersMessage.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockHeadersMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHashFunction;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/EthPV62.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/EthPV62.java
index aa1f3b076d..bc5ab84338 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/EthPV62.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/EthPV62.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 public final class EthPV62 {
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/EthPV63.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/EthPV63.java
index bd189185fd..76e151c704 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/EthPV63.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/EthPV63.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 public final class EthPV63 {
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/GetBlockBodiesMessage.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/GetBlockBodiesMessage.java
index c7e155eee0..036b019280 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/GetBlockBodiesMessage.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/GetBlockBodiesMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/GetBlockHeadersMessage.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/GetBlockHeadersMessage.java
index dc9d5c3df9..5f431a1d00 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/GetBlockHeadersMessage.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/GetBlockHeadersMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/GetNodeDataMessage.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/GetNodeDataMessage.java
index 72abdee00f..6e76919fc0 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/GetNodeDataMessage.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/GetNodeDataMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/GetReceiptsMessage.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/GetReceiptsMessage.java
index 98fc9a656b..7a0bb69aa9 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/GetReceiptsMessage.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/GetReceiptsMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockHashesMessage.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockHashesMessage.java
index 0b69e9d5bf..7cb3f1d889 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockHashesMessage.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockHashesMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockMessage.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockMessage.java
index 742a45bb36..beb4983f87 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockMessage.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.Block;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/NodeDataMessage.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/NodeDataMessage.java
index 910edd81e6..cbf4b0e43b 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/NodeDataMessage.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/NodeDataMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.p2p.NetworkMemoryPool;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/ReceiptsMessage.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/ReceiptsMessage.java
index 11200ac8e4..5a13259169 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/ReceiptsMessage.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/ReceiptsMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.TransactionReceipt;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/StatusMessage.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/StatusMessage.java
index 36e4b98e61..62ffdd59eb 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/StatusMessage.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/StatusMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/TransactionsMessage.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/TransactionsMessage.java
index ccfcb29d14..b8dc95dae2 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/TransactionsMessage.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/messages/TransactionsMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.Transaction;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/BlockPropagationManager.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/BlockPropagationManager.java
index 3e63288a89..a2632db268 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/BlockPropagationManager.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/BlockPropagationManager.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/ChainHeadTracker.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/ChainHeadTracker.java
index 50f107314e..96623cff6d 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/ChainHeadTracker.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/ChainHeadTracker.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync;
 
 import static org.apache.logging.log4j.LogManager.getLogger;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/DefaultSynchronizer.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/DefaultSynchronizer.java
index ee832b79b0..d221eca946 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/DefaultSynchronizer.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/DefaultSynchronizer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/Downloader.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/Downloader.java
index bc9058c890..877572a518 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/Downloader.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/Downloader.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/SyncMode.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/SyncMode.java
index 2c68dc4b2a..67366816cd 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/SyncMode.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/SyncMode.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync;
 
 public enum SyncMode {
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/SynchronizerConfiguration.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/SynchronizerConfiguration.java
index 39e31ce5e0..2f1733ef38 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/SynchronizerConfiguration.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/SynchronizerConfiguration.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/TrailingPeerLimiter.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/TrailingPeerLimiter.java
index 82b48eeb8c..14fc354c17 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/TrailingPeerLimiter.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/TrailingPeerLimiter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync;
 
 import static org.apache.logging.log4j.LogManager.getLogger;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/state/FastSyncState.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/state/FastSyncState.java
index ff179406f1..17c0b6fbfa 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/state/FastSyncState.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/state/FastSyncState.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.state;
 
 import tech.pegasys.pantheon.ethereum.eth.sync.SynchronizerConfiguration;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/state/PendingBlocks.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/state/PendingBlocks.java
index 8925a9e0dd..de83108965 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/state/PendingBlocks.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/state/PendingBlocks.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.state;
 
 import tech.pegasys.pantheon.ethereum.core.Block;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/state/SyncState.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/state/SyncState.java
index c95e62da93..38f49833a4 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/state/SyncState.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/state/SyncState.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.state;
 
 import tech.pegasys.pantheon.ethereum.chain.Blockchain;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/state/SyncTarget.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/state/SyncTarget.java
index f546abec33..549e2c228a 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/state/SyncTarget.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/state/SyncTarget.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.state;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/AbstractGetHeadersFromPeerTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/AbstractGetHeadersFromPeerTask.java
index b8824119eb..9ddc1b1077 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/AbstractGetHeadersFromPeerTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/AbstractGetHeadersFromPeerTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/CompleteBlocksTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/CompleteBlocksTask.java
index 28a5db4578..b720b922d6 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/CompleteBlocksTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/CompleteBlocksTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DetermineCommonAncestorTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DetermineCommonAncestorTask.java
index 104bb1e776..2d052a0505 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DetermineCommonAncestorTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DetermineCommonAncestorTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DownloadHeaderSequenceTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DownloadHeaderSequenceTask.java
index de0cf9b148..1e82d53cfc 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DownloadHeaderSequenceTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DownloadHeaderSequenceTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static java.util.Arrays.asList;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetBlockFromPeerTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetBlockFromPeerTask.java
index e3a25bb017..90507aa91f 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetBlockFromPeerTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetBlockFromPeerTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import tech.pegasys.pantheon.ethereum.core.Block;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetBodiesFromPeerTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetBodiesFromPeerTask.java
index 1e70973364..f57ceba5aa 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetBodiesFromPeerTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetBodiesFromPeerTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetHeadersFromPeerByHashTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetHeadersFromPeerByHashTask.java
index 2d5bd36789..a175f542a4 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetHeadersFromPeerByHashTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetHeadersFromPeerByHashTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static com.google.common.base.Preconditions.checkNotNull;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetHeadersFromPeerByNumberTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetHeadersFromPeerByNumberTask.java
index cd3ee5f38a..7111c75d63 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetHeadersFromPeerByNumberTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetHeadersFromPeerByNumberTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/ImportBlocksTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/ImportBlocksTask.java
index 38d1b9e1bb..2fa120f617 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/ImportBlocksTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/ImportBlocksTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/PersistBlockTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/PersistBlockTask.java
index b491f92fcc..d436b9ffbe 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/PersistBlockTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/PersistBlockTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/PipelinedImportChainSegmentTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/PipelinedImportChainSegmentTask.java
index 59a2e25095..c415646082 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/PipelinedImportChainSegmentTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/PipelinedImportChainSegmentTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/WaitForPeerTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/WaitForPeerTask.java
index 18ee34f858..607238bf5e 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/WaitForPeerTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/WaitForPeerTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import tech.pegasys.pantheon.ethereum.eth.manager.AbstractEthTask;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/WaitForPeersTask.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/WaitForPeersTask.java
index b72d5b84f5..99ca896be7 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/WaitForPeersTask.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/WaitForPeersTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import tech.pegasys.pantheon.ethereum.eth.manager.AbstractEthTask;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/exceptions/InvalidBlockException.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/exceptions/InvalidBlockException.java
index 8c2d2837c0..b55e764cf0 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/exceptions/InvalidBlockException.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/exceptions/InvalidBlockException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks.exceptions;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/PeerTransactionTracker.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/PeerTransactionTracker.java
index 4e9f87d3cf..01518c3cda 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/PeerTransactionTracker.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/PeerTransactionTracker.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.transactions;
 
 import static java.util.Collections.emptySet;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionPoolFactory.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionPoolFactory.java
index acaafa181b..ac9f0c317c 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionPoolFactory.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionPoolFactory.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.transactions;
 
 import tech.pegasys.pantheon.ethereum.ProtocolContext;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionSender.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionSender.java
index 13dac75ae7..b559f4c636 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionSender.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionSender.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.transactions;
 
 import tech.pegasys.pantheon.ethereum.core.Transaction;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageHandler.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageHandler.java
index 7309ecdb91..9b7de06cd1 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageHandler.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageHandler.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.transactions;
 
 import tech.pegasys.pantheon.ethereum.eth.manager.EthMessage;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageProcessor.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageProcessor.java
index 05cd60c80a..229af27f05 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageProcessor.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageProcessor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.transactions;
 
 import static org.apache.logging.log4j.LogManager.getLogger;
diff --git a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageSender.java b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageSender.java
index 7fb6a018bc..2c50eade33 100644
--- a/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageSender.java
+++ b/ethereum/eth/src/main/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageSender.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.transactions;
 
 import static java.util.stream.Collectors.toSet;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractEthTaskTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractEthTaskTest.java
index 36fe47f269..5e9f5ad41a 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractEthTaskTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/AbstractEthTaskTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ChainStateTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ChainStateTest.java
index 2c3e7d3c5e..6af5b5309e 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ChainStateTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ChainStateTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/DeterministicEthScheduler.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/DeterministicEthScheduler.java
index 097de0ba4f..9d08b934bb 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/DeterministicEthScheduler.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/DeterministicEthScheduler.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import java.time.Duration;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthPeerTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthPeerTest.java
index 66a5a678a3..266ce68f90 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthPeerTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthPeerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthPeersTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthPeersTest.java
index 2a49410c2c..26182373ab 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthPeersTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthPeersTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthProtocolManagerTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthProtocolManagerTest.java
index becceea2a5..2250982593 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthProtocolManagerTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthProtocolManagerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthProtocolManagerTestUtil.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthProtocolManagerTestUtil.java
index c768135e5b..9120e80778 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthProtocolManagerTestUtil.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthProtocolManagerTestUtil.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import tech.pegasys.pantheon.ethereum.chain.Blockchain;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthSchedulerTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthSchedulerTest.java
index 56df86e129..30ea9bbf70 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthSchedulerTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthSchedulerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/MockEthTask.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/MockEthTask.java
index ade0a854b6..419977eed0 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/MockEthTask.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/MockEthTask.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 public class MockEthTask extends AbstractEthTask<Object> {
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/MockExecutorService.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/MockExecutorService.java
index d1da5f801c..24240f4393 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/MockExecutorService.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/MockExecutorService.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import static org.mockito.Mockito.spy;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/MockPeerConnection.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/MockPeerConnection.java
index 4915e13b8f..cb52968449 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/MockPeerConnection.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/MockPeerConnection.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.MessageData;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/MockScheduledExecutor.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/MockScheduledExecutor.java
index de4c65b1ca..48172114c8 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/MockScheduledExecutor.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/MockScheduledExecutor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import java.util.concurrent.Callable;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/PeerReputationTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/PeerReputationTest.java
index 08ce3b7bc2..7f4918371e 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/PeerReputationTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/PeerReputationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/RequestManagerTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/RequestManagerTest.java
index 4241fb0af7..4f456a3d55 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/RequestManagerTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/RequestManagerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/RespondingEthPeer.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/RespondingEthPeer.java
index e813f5c480..4a8dfb86ef 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/RespondingEthPeer.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/RespondingEthPeer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager;
 
 import tech.pegasys.pantheon.ethereum.chain.Blockchain;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/AbstractMessageTaskTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/AbstractMessageTaskTest.java
index 2435ba5d83..e61a191705 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/AbstractMessageTaskTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/AbstractMessageTaskTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager.ethtaskutils;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/BlockchainSetupUtil.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/BlockchainSetupUtil.java
index 28f8869718..dfc2f2c941 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/BlockchainSetupUtil.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/BlockchainSetupUtil.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager.ethtaskutils;
 
 import static org.assertj.core.util.Preconditions.checkArgument;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/PeerMessageTaskTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/PeerMessageTaskTest.java
index d54566dfaf..0970f6dede 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/PeerMessageTaskTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/PeerMessageTaskTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager.ethtaskutils;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/RetryingMessageTaskTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/RetryingMessageTaskTest.java
index 0ec68ad3a5..46187e7a43 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/RetryingMessageTaskTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/RetryingMessageTaskTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.manager.ethtaskutils;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockBodiesMessageTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockBodiesMessageTest.java
index 9ea9cdd41c..8594d10645 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockBodiesMessageTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockBodiesMessageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.BlockBody;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockHeadersMessageTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockHeadersMessageTest.java
index bf559d2a6b..ebadbabd3b 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockHeadersMessageTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockHeadersMessageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/GetBlockBodiesMessageTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/GetBlockBodiesMessageTest.java
index 34c5bf7a3b..3fafeda4c8 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/GetBlockBodiesMessageTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/GetBlockBodiesMessageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/GetBlockHeadersMessageTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/GetBlockHeadersMessageTest.java
index b3d967238a..e4020df05a 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/GetBlockHeadersMessageTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/GetBlockHeadersMessageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/GetNodeDataMessageTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/GetNodeDataMessageTest.java
index 6b616b9ec4..262ebaecdf 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/GetNodeDataMessageTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/GetNodeDataMessageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/GetReceiptsMessageTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/GetReceiptsMessageTest.java
index c39da2b97b..89760a8317 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/GetReceiptsMessageTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/GetReceiptsMessageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockHashesMessageTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockHashesMessageTest.java
index 1546b315a5..197353b0e6 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockHashesMessageTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockHashesMessageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockMessageTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockMessageTest.java
index cded60d804..9a183e93d9 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockMessageTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockMessageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/NodeDataMessageTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/NodeDataMessageTest.java
index cb4a4684f2..a07d5c8a64 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/NodeDataMessageTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/NodeDataMessageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.p2p.NetworkMemoryPool;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/ReceiptsMessageTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/ReceiptsMessageTest.java
index aba2548b44..bac6a65093 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/ReceiptsMessageTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/ReceiptsMessageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.TransactionReceipt;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/StatusMessageTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/StatusMessageTest.java
index 773b94f07d..ca21611fdb 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/StatusMessageTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/StatusMessageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/TransactionsMessageTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/TransactionsMessageTest.java
index 265927f8d3..057bf3b952 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/TransactionsMessageTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/TransactionsMessageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.messages;
 
 import tech.pegasys.pantheon.ethereum.core.Transaction;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/BlockPropagationManagerTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/BlockPropagationManagerTest.java
index 8f90a92047..c4ed906ca9 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/BlockPropagationManagerTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/BlockPropagationManagerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/ChainHeadTrackerTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/ChainHeadTrackerTest.java
index 10f85e2692..e822ed3c7c 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/ChainHeadTrackerTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/ChainHeadTrackerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/DownloaderTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/DownloaderTest.java
index 1e505e195a..f64861237c 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/DownloaderTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/DownloaderTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/TrailingPeerLimiterTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/TrailingPeerLimiterTest.java
index c8c180cf2e..45cbba99cb 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/TrailingPeerLimiterTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/TrailingPeerLimiterTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync;
 
 import static java.util.Arrays.asList;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/state/PendingBlocksTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/state/PendingBlocksTest.java
index e162aa91da..ef13116197 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/state/PendingBlocksTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/state/PendingBlocksTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.state;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/CompleteBlocksTaskTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/CompleteBlocksTaskTest.java
index 8602bb6ff1..c2ce413e0f 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/CompleteBlocksTaskTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/CompleteBlocksTaskTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import tech.pegasys.pantheon.ethereum.core.Block;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DetermineCommonAncestorTaskParameterizedTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DetermineCommonAncestorTaskParameterizedTest.java
index 6646e259aa..0620ae2a2c 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DetermineCommonAncestorTaskParameterizedTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DetermineCommonAncestorTaskParameterizedTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DetermineCommonAncestorTaskTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DetermineCommonAncestorTaskTest.java
index b7fb6c4a89..18c86b6697 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DetermineCommonAncestorTaskTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DetermineCommonAncestorTaskTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DownloadHeaderSequenceTaskTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DownloadHeaderSequenceTaskTest.java
index dee1a49d4e..55a73b6b24 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DownloadHeaderSequenceTaskTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DownloadHeaderSequenceTaskTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetBlockFromPeerTaskTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetBlockFromPeerTaskTest.java
index 416fa0b551..596bf21a58 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetBlockFromPeerTaskTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetBlockFromPeerTaskTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetBodiesFromPeerTaskTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetBodiesFromPeerTaskTest.java
index fc800e71c6..bf6a68c229 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetBodiesFromPeerTaskTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetBodiesFromPeerTaskTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetHeadersFromPeerByHashTaskTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetHeadersFromPeerByHashTaskTest.java
index 683f008c1c..5253cd0dee 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetHeadersFromPeerByHashTaskTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetHeadersFromPeerByHashTaskTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetHeadersFromPeerByNumberTaskTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetHeadersFromPeerByNumberTaskTest.java
index 1c50160556..b425489821 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetHeadersFromPeerByNumberTaskTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/GetHeadersFromPeerByNumberTaskTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/ImportBlocksTaskTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/ImportBlocksTaskTest.java
index 5527266a51..7bc8c1ad1e 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/ImportBlocksTaskTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/ImportBlocksTaskTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/PersistBlockTaskTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/PersistBlockTaskTest.java
index 4c260e74a9..a12235b329 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/PersistBlockTaskTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/PersistBlockTaskTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static java.util.concurrent.TimeUnit.SECONDS;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/PipelinedImportChainSegmentTaskTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/PipelinedImportChainSegmentTaskTest.java
index 6938ebd9c4..d277f109f7 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/PipelinedImportChainSegmentTaskTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/PipelinedImportChainSegmentTaskTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/WaitForPeerTaskTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/WaitForPeerTaskTest.java
index 0873877524..4af5190140 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/WaitForPeerTaskTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/WaitForPeerTaskTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/WaitForPeersTaskTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/WaitForPeersTaskTest.java
index 2b3b116dfa..fc6b96a69c 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/WaitForPeersTaskTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/WaitForPeersTaskTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.sync.tasks;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/PeerTransactionTrackerTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/PeerTransactionTrackerTest.java
index f15f065d21..5b6b7b2962 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/PeerTransactionTrackerTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/PeerTransactionTrackerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.transactions;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TestNode.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TestNode.java
index 28e2e6cb4a..a107e7af65 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TestNode.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TestNode.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.transactions;
 
 import static java.util.Collections.singletonList;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TestNodeList.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TestNodeList.java
index 0b0f827fdd..2872b8b661 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TestNodeList.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TestNodeList.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.transactions;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionPoolPropagationTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionPoolPropagationTest.java
index c979aff4df..db3989d57d 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionPoolPropagationTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionPoolPropagationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.transactions;
 
 import tech.pegasys.pantheon.crypto.SECP256K1.KeyPair;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageProcessorTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageProcessorTest.java
index f7b5a2a805..997ca6d524 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageProcessorTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageProcessorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.transactions;
 
 import static java.util.Arrays.asList;
diff --git a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageSenderTest.java b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageSenderTest.java
index 9bd61afa70..8701836598 100644
--- a/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageSenderTest.java
+++ b/ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TransactionsMessageSenderTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.eth.transactions;
 
 import static com.google.common.collect.Sets.newHashSet;
diff --git a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/BlockchainImporter.java b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/BlockchainImporter.java
index b5e2b4f914..371521fa51 100644
--- a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/BlockchainImporter.java
+++ b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/BlockchainImporter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import tech.pegasys.pantheon.ethereum.chain.GenesisConfig;
diff --git a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcResponseKey.java b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcResponseKey.java
index 5dd1ad9885..94aeff4393 100644
--- a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcResponseKey.java
+++ b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcResponseKey.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 public enum JsonRpcResponseKey {
diff --git a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcResponseUtils.java b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcResponseUtils.java
index 4000ac3187..99aab20978 100644
--- a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcResponseUtils.java
+++ b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcResponseUtils.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import static org.mockito.Mockito.mock;
diff --git a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcTestMethodsFactory.java b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcTestMethodsFactory.java
index b21d29bf84..2954c50df0 100644
--- a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcTestMethodsFactory.java
+++ b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcTestMethodsFactory.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import static org.mockito.Mockito.mock;
diff --git a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthCallIntegrationTest.java b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthCallIntegrationTest.java
index 357dbc95ca..d82da3bf20 100644
--- a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthCallIntegrationTest.java
+++ b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthCallIntegrationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthEstimateGasIntegrationTest.java b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthEstimateGasIntegrationTest.java
index 247ad4047f..b3937e4755 100644
--- a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthEstimateGasIntegrationTest.java
+++ b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthEstimateGasIntegrationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetBlockByHashIntegrationTest.java b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetBlockByHashIntegrationTest.java
index 14f085a8d6..d2eec237ec 100644
--- a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetBlockByHashIntegrationTest.java
+++ b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetBlockByHashIntegrationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetBlockByNumberIntegrationTest.java b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetBlockByNumberIntegrationTest.java
index 1b9118e819..34f54bd6ec 100644
--- a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetBlockByNumberIntegrationTest.java
+++ b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetBlockByNumberIntegrationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetFilterChangesIntegrationTest.java b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetFilterChangesIntegrationTest.java
index b8592b6cf2..7ee387ca85 100644
--- a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetFilterChangesIntegrationTest.java
+++ b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetFilterChangesIntegrationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.methods;
 
 import static java.util.Arrays.asList;
diff --git a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetUncleByBlockHashAndIndexIntegrationTest.java b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetUncleByBlockHashAndIndexIntegrationTest.java
index 7e0043b2e6..226619c9cd 100644
--- a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetUncleByBlockHashAndIndexIntegrationTest.java
+++ b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetUncleByBlockHashAndIndexIntegrationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetUncleByBlockNumberAndIndexIntegrationTest.java b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetUncleByBlockNumberAndIndexIntegrationTest.java
index 7de0eace79..6e5ace1e50 100644
--- a/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetUncleByBlockNumberAndIndexIntegrationTest.java
+++ b/ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/methods/EthGetUncleByBlockNumberAndIndexIntegrationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcConfiguration.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcConfiguration.java
index 02dcafd0a8..a52f1e7c18 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcConfiguration.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcConfiguration.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import java.util.Arrays;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcErrorConverter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcErrorConverter.java
index 188efe737c..316a383ecf 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcErrorConverter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcErrorConverter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.response.JsonRpcError;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpService.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpService.java
index b7d1d888e5..e3df2f1a1e 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpService.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpService.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcMethodsFactory.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcMethodsFactory.java
index cebffcaf61..bf9aa9676f 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcMethodsFactory.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcMethodsFactory.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcServiceException.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcServiceException.java
index 78d48ad50f..9742b884d1 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcServiceException.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcServiceException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 public class JsonRpcServiceException extends RuntimeException {
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/JsonRpcRequest.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/JsonRpcRequest.java
index 6b8fed41dc..d8a64c571c 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/JsonRpcRequest.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/JsonRpcRequest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.exception.InvalidJsonRpcRequestException;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/JsonRpcRequestId.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/JsonRpcRequestId.java
index c724fde3a8..ff2bb66e2c 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/JsonRpcRequestId.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/JsonRpcRequestId.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.exception.InvalidJsonRpcRequestException;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/exception/InvalidJsonRpcParameters.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/exception/InvalidJsonRpcParameters.java
index 4d1b5a85d5..5781911242 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/exception/InvalidJsonRpcParameters.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/exception/InvalidJsonRpcParameters.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.exception;
 
 public class InvalidJsonRpcParameters extends InvalidJsonRpcRequestException {
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/exception/InvalidJsonRpcRequestException.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/exception/InvalidJsonRpcRequestException.java
index e717515038..93e6ab4372 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/exception/InvalidJsonRpcRequestException.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/exception/InvalidJsonRpcRequestException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.exception;
 
 public class InvalidJsonRpcRequestException extends IllegalArgumentException {
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/BlockFilter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/BlockFilter.java
index 6d174565ac..e5b43e05ee 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/BlockFilter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/BlockFilter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/Filter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/Filter.java
index 2e62e65b8a..e1d2c7d6ad 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/Filter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/Filter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 import java.time.Duration;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterIdGenerator.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterIdGenerator.java
index cd9ede2fe5..d757d53d74 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterIdGenerator.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterIdGenerator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 import java.util.UUID;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterManager.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterManager.java
index 2dbbc2db84..914b8e7168 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterManager.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterManager.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 import static com.google.common.base.Preconditions.checkNotNull;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterRepository.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterRepository.java
index 3497408817..dfa66846c3 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterRepository.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterRepository.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 import java.util.ArrayList;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterTimeoutMonitor.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterTimeoutMonitor.java
index 310ac52e41..36ad7348d0 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterTimeoutMonitor.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterTimeoutMonitor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 class FilterTimeoutMonitor {
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/LogFilter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/LogFilter.java
index 81f4f11d83..76288b8a84 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/LogFilter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/LogFilter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.parameters.BlockParameter;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/LogsQuery.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/LogsQuery.java
index c30fd0e838..ada4bb926b 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/LogsQuery.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/LogsQuery.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/PendingTransactionFilter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/PendingTransactionFilter.java
index a01c6e35e9..169757e16f 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/PendingTransactionFilter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/PendingTransactionFilter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/AbstractBlockParameterMethod.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/AbstractBlockParameterMethod.java
index 4acf5bc0ed..61fd9bd6df 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/AbstractBlockParameterMethod.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/AbstractBlockParameterMethod.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/AdminPeers.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/AdminPeers.java
index 801f4d79ed..73bb73945c 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/AdminPeers.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/AdminPeers.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/DebugStorageRangeAt.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/DebugStorageRangeAt.java
index 17f56c0e19..71954b3d3c 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/DebugStorageRangeAt.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/DebugStorageRangeAt.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.core.Account;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/DebugTraceTransaction.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/DebugTraceTransaction.java
index 89d30cd8c2..74786f9594 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/DebugTraceTransaction.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/DebugTraceTransaction.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthAccounts.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthAccounts.java
index 6cda234a78..e515474dfe 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthAccounts.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthAccounts.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthBlockNumber.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthBlockNumber.java
index 204f5c92b7..543b03ddd7 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthBlockNumber.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthBlockNumber.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCall.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCall.java
index 160241dc89..59e6fbbebe 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCall.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCall.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static tech.pegasys.pantheon.ethereum.jsonrpc.JsonRpcErrorConverter.convertTransactionInvalidReason;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCoinbase.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCoinbase.java
index bdcf4491b0..d78803ba82 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCoinbase.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCoinbase.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthEstimateGas.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthEstimateGas.java
index 3d08ff1b8e..ffd26d61a6 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthEstimateGas.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthEstimateGas.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGasPrice.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGasPrice.java
index 85890ac9cd..bd0ad62087 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGasPrice.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGasPrice.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.blockcreation.AbstractBlockCreator;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBalance.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBalance.java
index 4f4f1fac79..bb11434c71 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBalance.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBalance.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockByHash.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockByHash.java
index 57a1cefde9..2fd6ffdffd 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockByHash.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockByHash.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockByNumber.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockByNumber.java
index 4d7850d6b1..2cf2312484 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockByNumber.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockByNumber.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockTransactionCountByHash.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockTransactionCountByHash.java
index ccfcbe7f89..14cc7c1e2a 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockTransactionCountByHash.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockTransactionCountByHash.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockTransactionCountByNumber.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockTransactionCountByNumber.java
index 55884b001e..9650540c9b 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockTransactionCountByNumber.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockTransactionCountByNumber.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetCode.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetCode.java
index 2415ed0984..88923dda9a 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetCode.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetCode.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetFilterChanges.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetFilterChanges.java
index e778aa9bc2..3604a4f558 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetFilterChanges.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetFilterChanges.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetFilterLogs.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetFilterLogs.java
index 8977baeedb..49faf6c66f 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetFilterLogs.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetFilterLogs.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetLogs.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetLogs.java
index 1907ccefd7..b255fac2c4 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetLogs.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetLogs.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetStorageAt.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetStorageAt.java
index d000698789..3f6decf4f0 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetStorageAt.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetStorageAt.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionByBlockHashAndIndex.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionByBlockHashAndIndex.java
index 5693c98af8..ea1f9f9046 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionByBlockHashAndIndex.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionByBlockHashAndIndex.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionByBlockNumberAndIndex.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionByBlockNumberAndIndex.java
index f81369e746..d0b6c485b8 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionByBlockNumberAndIndex.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionByBlockNumberAndIndex.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionByHash.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionByHash.java
index 3952413c4f..c59ffb67ef 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionByHash.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionByHash.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionCount.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionCount.java
index bf689e7c69..32afdde0f8 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionCount.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionCount.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionReceipt.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionReceipt.java
index ae63e7c6b2..956482a63f 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionReceipt.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionReceipt.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleByBlockHashAndIndex.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleByBlockHashAndIndex.java
index 1f68994b2f..120886fd22 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleByBlockHashAndIndex.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleByBlockHashAndIndex.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleByBlockNumberAndIndex.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleByBlockNumberAndIndex.java
index 863cb8b783..367beb7608 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleByBlockNumberAndIndex.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleByBlockNumberAndIndex.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleCountByBlockHash.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleCountByBlockHash.java
index e43fbbb871..86ae2e7083 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleCountByBlockHash.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleCountByBlockHash.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleCountByBlockNumber.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleCountByBlockNumber.java
index 72902e3be9..dc3ce45da0 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleCountByBlockNumber.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleCountByBlockNumber.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthMining.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthMining.java
index 163ce5fd1c..2b2c22a563 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthMining.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthMining.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.blockcreation.AbstractBlockCreator;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewBlockFilter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewBlockFilter.java
index 36b973c25d..0d4255466a 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewBlockFilter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewBlockFilter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewFilter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewFilter.java
index 23ca3af4dc..bc1ac5ddba 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewFilter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewFilter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewPendingTransactionFilter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewPendingTransactionFilter.java
index a3b21cdc42..6ee957c215 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewPendingTransactionFilter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewPendingTransactionFilter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthProtocolVersion.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthProtocolVersion.java
index b00e5dbc2b..4cb80438a8 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthProtocolVersion.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthProtocolVersion.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.eth.EthProtocol;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthSendRawTransaction.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthSendRawTransaction.java
index 8b26dbb670..7e92d238bb 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthSendRawTransaction.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthSendRawTransaction.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static tech.pegasys.pantheon.ethereum.jsonrpc.JsonRpcErrorConverter.convertTransactionInvalidReason;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthSyncing.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthSyncing.java
index 4b029e0504..609e0a5791 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthSyncing.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthSyncing.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.core.Synchronizer;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthUninstallFilter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthUninstallFilter.java
index 07df62d898..0812e98b05 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthUninstallFilter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthUninstallFilter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/JsonRpcMethod.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/JsonRpcMethod.java
index 2da01e7278..11b7b776c4 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/JsonRpcMethod.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/JsonRpcMethod.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/NetListening.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/NetListening.java
index b485387a94..cfb1a2b1e4 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/NetListening.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/NetListening.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/NetPeerCount.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/NetPeerCount.java
index 2c794c1faf..bf27c366bd 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/NetPeerCount.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/NetPeerCount.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/NetVersion.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/NetVersion.java
index 45cd45cf4a..7646effe78 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/NetVersion.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/NetVersion.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/Web3ClientVersion.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/Web3ClientVersion.java
index 1058e436cf..7f0131d29a 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/Web3ClientVersion.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/Web3ClientVersion.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/Web3Sha3.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/Web3Sha3.java
index e1923d3623..a91298b544 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/Web3Sha3.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/Web3Sha3.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import tech.pegasys.pantheon.crypto.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetCoinbase.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetCoinbase.java
index 49163c4198..2c3796c147 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetCoinbase.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetCoinbase.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.miner;
 
 import tech.pegasys.pantheon.ethereum.blockcreation.AbstractMiningCoordinator;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetEtherbase.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetEtherbase.java
index 47e1de084c..899cdc7b0b 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetEtherbase.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetEtherbase.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.miner;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStart.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStart.java
index 789226b698..3c44046062 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStart.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStart.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.miner;
 
 import tech.pegasys.pantheon.ethereum.blockcreation.AbstractBlockCreator;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStop.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStop.java
index 339a2a34ed..cefe6392c2 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStop.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStop.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.miner;
 
 import tech.pegasys.pantheon.ethereum.blockcreation.AbstractBlockCreator;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/BlockParameter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/BlockParameter.java
index 1f55155dcf..2918b0f4d3 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/BlockParameter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/BlockParameter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.parameters;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/CallParameter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/CallParameter.java
index b664cac4f6..9c3d3f42f7 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/CallParameter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/CallParameter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.parameters;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/FilterParameter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/FilterParameter.java
index 9ca37da3bf..1e88d8d720 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/FilterParameter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/FilterParameter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.parameters;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/JsonRpcParameter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/JsonRpcParameter.java
index c122197eb1..f5c8a613e4 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/JsonRpcParameter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/JsonRpcParameter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.parameters;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.exception.InvalidJsonRpcParameters;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/TopicsParameter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/TopicsParameter.java
index b524e8cdf8..66583fd5e0 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/TopicsParameter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/TopicsParameter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.parameters;
 
 import tech.pegasys.pantheon.ethereum.core.LogTopic;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/UInt256Parameter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/UInt256Parameter.java
index 1284d85c75..6a91fcdab3 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/UInt256Parameter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/UInt256Parameter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.parameters;
 
 import tech.pegasys.pantheon.util.uint.UInt256;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/UnsignedIntParameter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/UnsignedIntParameter.java
index 5c5fa332be..e5f6cd0b7d 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/UnsignedIntParameter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/UnsignedIntParameter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.parameters;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/UnsignedLongParameter.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/UnsignedLongParameter.java
index 074a69ca0b..142c576c50 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/UnsignedLongParameter.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/UnsignedLongParameter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.parameters;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/BlockReplay.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/BlockReplay.java
index abb72b2e6e..5235fa2906 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/BlockReplay.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/BlockReplay.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.processor;
 
 import tech.pegasys.pantheon.ethereum.chain.Blockchain;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransactionTrace.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransactionTrace.java
index 9bad34edcd..2021123d69 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransactionTrace.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransactionTrace.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.processor;
 
 import tech.pegasys.pantheon.ethereum.core.Transaction;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransactionTraceParams.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransactionTraceParams.java
index 77efadd81d..9b62a0156c 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransactionTraceParams.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransactionTraceParams.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.processor;
 
 import tech.pegasys.pantheon.ethereum.debug.TraceOptions;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransactionTracer.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransactionTracer.java
index 00d07a092c..47ca50277b 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransactionTracer.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransactionTracer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.processor;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransientTransactionProcessingResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransientTransactionProcessingResult.java
index 8848cc1547..f3071b8531 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransientTransactionProcessingResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransientTransactionProcessingResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.processor;
 
 import tech.pegasys.pantheon.ethereum.core.Transaction;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransientTransactionProcessor.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransientTransactionProcessor.java
index 4c833b6760..40acba8d26 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransientTransactionProcessor.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransientTransactionProcessor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.processor;
 
 import tech.pegasys.pantheon.crypto.SECP256K1;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/BlockWithMetadata.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/BlockWithMetadata.java
index f70913fdcf..524000361c 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/BlockWithMetadata.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/BlockWithMetadata.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.queries;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/BlockchainQueries.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/BlockchainQueries.java
index d04581430e..9c2a0d22ac 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/BlockchainQueries.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/BlockchainQueries.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.queries;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/LogWithMetadata.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/LogWithMetadata.java
index 951686e1d6..461f790ba2 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/LogWithMetadata.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/LogWithMetadata.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.queries;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/TransactionReceiptWithMetadata.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/TransactionReceiptWithMetadata.java
index 8f893e44fa..52f6084819 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/TransactionReceiptWithMetadata.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/TransactionReceiptWithMetadata.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.queries;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/TransactionWithMetadata.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/TransactionWithMetadata.java
index 63c3258e30..14719bb4f3 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/TransactionWithMetadata.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/TransactionWithMetadata.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.queries;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcError.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcError.java
index c0c0bf698a..a23364030f 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcError.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcError.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.response;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcErrorResponse.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcErrorResponse.java
index 95ac82b3fe..5eddab85c8 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcErrorResponse.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcErrorResponse.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.response;
 
 import com.fasterxml.jackson.annotation.JsonGetter;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcNoResponse.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcNoResponse.java
index 3a242338f3..efb2c7f5b5 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcNoResponse.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcNoResponse.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.response;
 
 public class JsonRpcNoResponse implements JsonRpcResponse {
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcResponse.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcResponse.java
index 1f2eddcb4e..d0c6c4e57b 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcResponse.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcResponse.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.response;
 
 import com.fasterxml.jackson.annotation.JsonGetter;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcResponseType.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcResponseType.java
index 5c169485e0..ae190478a5 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcResponseType.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcResponseType.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.response;
 
 /** Various types of responses that the JSON-RPC component may produce. */
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcSuccessResponse.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcSuccessResponse.java
index 8fb7c4a1ee..b5b075a1e4 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcSuccessResponse.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/response/JsonRpcSuccessResponse.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.response;
 
 import com.fasterxml.jackson.annotation.JsonGetter;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/BlockResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/BlockResult.java
index 59df537a8a..9811c3f38c 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/BlockResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/BlockResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/BlockResultFactory.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/BlockResultFactory.java
index 1f6baf5df0..16e658daf0 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/BlockResultFactory.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/BlockResultFactory.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/DebugStorageRangeAtResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/DebugStorageRangeAtResult.java
index ba95b26682..a300456e0d 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/DebugStorageRangeAtResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/DebugStorageRangeAtResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/DebugTraceTransactionResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/DebugTraceTransactionResult.java
index c307f682fc..0eaec3ac8e 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/DebugTraceTransactionResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/DebugTraceTransactionResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.ethereum.debug.TraceFrame;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/JsonRpcResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/JsonRpcResult.java
index 5369a5cd92..c04955a727 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/JsonRpcResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/JsonRpcResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import com.fasterxml.jackson.annotation.JsonInclude;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/LogResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/LogResult.java
index e3d2d76e89..b083fc3bbc 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/LogResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/LogResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.ethereum.core.LogTopic;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/LogsResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/LogsResult.java
index 7306f0f474..e419d6f6dc 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/LogsResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/LogsResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.queries.LogWithMetadata;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/NetworkResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/NetworkResult.java
index 92ede58eb6..e228390837 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/NetworkResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/NetworkResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import java.net.SocketAddress;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/PeerResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/PeerResult.java
index 728875d491..4a4f67b619 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/PeerResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/PeerResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.PeerConnection;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/Quantity.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/Quantity.java
index d1981909ec..136c0a6c65 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/Quantity.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/Quantity.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.util.uint.UInt256;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/StructLog.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/StructLog.java
index 7e1d3417d6..a11d09edec 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/StructLog.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/StructLog.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.ethereum.core.Gas;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/StructLogWithError.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/StructLogWithError.java
index c990af239d..a1620af9c9 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/StructLogWithError.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/StructLogWithError.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.ethereum.debug.TraceFrame;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/SyncingResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/SyncingResult.java
index c361599831..7887d527c8 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/SyncingResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/SyncingResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.ethereum.core.SyncStatus;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionCompleteResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionCompleteResult.java
index a198887d3e..2e395d6e14 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionCompleteResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionCompleteResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.ethereum.core.Transaction;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionHashResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionHashResult.java
index 7b1a461dde..9c31ad1b38 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionHashResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionHashResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import com.fasterxml.jackson.annotation.JsonValue;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionPendingResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionPendingResult.java
index c1c5162170..f0bd41fe26 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionPendingResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionPendingResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.ethereum.core.Transaction;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionReceiptLogResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionReceiptLogResult.java
index de176e98ab..2f6aa98785 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionReceiptLogResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionReceiptLogResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionReceiptResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionReceiptResult.java
index f4ea69a440..0010ba17f7 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionReceiptResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionReceiptResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.ethereum.core.Address;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionReceiptRootResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionReceiptRootResult.java
index a48b208b4d..3059cc7f94 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionReceiptRootResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionReceiptRootResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.queries.TransactionReceiptWithMetadata;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionReceiptStatusResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionReceiptStatusResult.java
index 074abab89f..01e0af16fc 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionReceiptStatusResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionReceiptStatusResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.queries.TransactionReceiptWithMetadata;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionResult.java
index 81dd2342d8..a71edfe3ce 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/TransactionResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 public interface TransactionResult {}
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/UncleBlockResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/UncleBlockResult.java
index bbde114f32..4b698351cd 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/UncleBlockResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/UncleBlockResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import tech.pegasys.pantheon.ethereum.core.Block;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketConfiguration.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketConfiguration.java
index 87c24b7873..9ac33ba65e 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketConfiguration.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketConfiguration.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.JsonRpcConfiguration.RpcApis;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketRequestHandler.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketRequestHandler.java
index d898ffc555..524b944538 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketRequestHandler.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketRequestHandler.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.JsonRpcMethod;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketService.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketService.java
index 03663c498f..24e58b5795 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketService.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketService.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.SubscriptionManager;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/AbstractSubscriptionMethod.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/AbstractSubscriptionMethod.java
index 828bd5b6ec..4f242587ff 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/AbstractSubscriptionMethod.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/AbstractSubscriptionMethod.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.JsonRpcMethod;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthSubscribe.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthSubscribe.java
index 7aaea78b32..e0f71e9531 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthSubscribe.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthSubscribe.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthUnsubscribe.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthUnsubscribe.java
index 8892fddbc8..b1385d64db 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthUnsubscribe.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthUnsubscribe.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/WebSocketMethodsFactory.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/WebSocketMethodsFactory.java
index 37a03e43fd..71e5701835 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/WebSocketMethodsFactory.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/WebSocketMethodsFactory.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.JsonRpcMethod;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/WebSocketRpcRequest.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/WebSocketRpcRequest.java
index 329f1b8735..51d3dd72a3 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/WebSocketRpcRequest.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/WebSocketRpcRequest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.methods;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/Subscription.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/Subscription.java
index 0a30432056..bbc70d410b 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/Subscription.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/Subscription.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.request.SubscriptionType;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionBuilder.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionBuilder.java
index 0ba743c311..d6f41e4b29 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionBuilder.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionBuilder.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.blockheaders.NewBlockHeadersSubscription;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionManager.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionManager.java
index 6f49f931c3..935d7cf969 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionManager.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionManager.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.results.JsonRpcResult;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionNotFoundException.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionNotFoundException.java
index 7746560548..d34bdc1621 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionNotFoundException.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionNotFoundException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription;
 
 public class SubscriptionNotFoundException extends RuntimeException {
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/blockheaders/NewBlockHeadersSubscription.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/blockheaders/NewBlockHeadersSubscription.java
index fe0e1a08e4..2513b3fa33 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/blockheaders/NewBlockHeadersSubscription.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/blockheaders/NewBlockHeadersSubscription.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.blockheaders;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.Subscription;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/blockheaders/NewBlockHeadersSubscriptionService.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/blockheaders/NewBlockHeadersSubscriptionService.java
index d89c62adfe..5a0fe8f04c 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/blockheaders/NewBlockHeadersSubscriptionService.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/blockheaders/NewBlockHeadersSubscriptionService.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.blockheaders;
 
 import tech.pegasys.pantheon.ethereum.chain.BlockAddedEvent;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/logs/LogsSubscription.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/logs/LogsSubscription.java
index fbe08e3acf..e96c2d0fc9 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/logs/LogsSubscription.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/logs/LogsSubscription.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.logs;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter.LogsQuery;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/logs/LogsSubscriptionService.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/logs/LogsSubscriptionService.java
index b676abbe64..e49102d0f4 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/logs/LogsSubscriptionService.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/logs/LogsSubscriptionService.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.logs;
 
 import tech.pegasys.pantheon.ethereum.chain.BlockAddedEvent;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/pending/PendingTransactionResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/pending/PendingTransactionResult.java
index 26b3e37121..d008edd893 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/pending/PendingTransactionResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/pending/PendingTransactionResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.pending;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/pending/PendingTransactionSubscriptionService.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/pending/PendingTransactionSubscriptionService.java
index d1b73b23e5..ca63f47584 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/pending/PendingTransactionSubscriptionService.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/pending/PendingTransactionSubscriptionService.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.pending;
 
 import tech.pegasys.pantheon.ethereum.core.Hash;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/InvalidRequestException.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/InvalidRequestException.java
index c827fadd8f..a2872ab2ef 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/InvalidRequestException.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/InvalidRequestException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.request;
 
 public class InvalidRequestException extends RuntimeException {
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/InvalidSubscriptionRequestException.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/InvalidSubscriptionRequestException.java
index 69f7221466..a1c452d7f3 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/InvalidSubscriptionRequestException.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/InvalidSubscriptionRequestException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.request;
 
 public class InvalidSubscriptionRequestException extends RuntimeException {
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/LogsSubscriptionParam.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/LogsSubscriptionParam.java
index 510aaaaf85..0cf1da2814 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/LogsSubscriptionParam.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/LogsSubscriptionParam.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.request;
 
 import java.util.List;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/NewBlockHeadersSubscriptionParam.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/NewBlockHeadersSubscriptionParam.java
index 43a9b845f1..4df2cc0f8f 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/NewBlockHeadersSubscriptionParam.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/NewBlockHeadersSubscriptionParam.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.request;
 
 import com.fasterxml.jackson.annotation.JsonCreator;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/SubscribeRequest.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/SubscribeRequest.java
index e680058abd..3d0fd26a6b 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/SubscribeRequest.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/SubscribeRequest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.request;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.parameters.FilterParameter;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/SubscriptionRequestMapper.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/SubscriptionRequestMapper.java
index bd0b6dac21..31fb602629 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/SubscriptionRequestMapper.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/SubscriptionRequestMapper.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.request;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.JsonRpcRequest;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/SubscriptionType.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/SubscriptionType.java
index 9fa8b0046b..0e12003f88 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/SubscriptionType.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/SubscriptionType.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.request;
 
 import com.fasterxml.jackson.annotation.JsonProperty;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/UnsubscribeRequest.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/UnsubscribeRequest.java
index d41a49cc53..9a330726ad 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/UnsubscribeRequest.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/UnsubscribeRequest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.request;
 
 import com.google.common.base.Objects;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/response/SubscriptionResponse.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/response/SubscriptionResponse.java
index fd9783b262..fac93403fa 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/response/SubscriptionResponse.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/response/SubscriptionResponse.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.response;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.results.JsonRpcResult;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/response/SubscriptionResponseResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/response/SubscriptionResponseResult.java
index 5bb53181db..ed3237706f 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/response/SubscriptionResponseResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/response/SubscriptionResponseResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.response;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.results.JsonRpcResult;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/syncing/NotSynchronisingResult.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/syncing/NotSynchronisingResult.java
index a8cd2add29..b8480d0ea4 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/syncing/NotSynchronisingResult.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/syncing/NotSynchronisingResult.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.syncing;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.internal.results.JsonRpcResult;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/syncing/SyncingSubscription.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/syncing/SyncingSubscription.java
index 590f4fd4b9..8f4e4db9c9 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/syncing/SyncingSubscription.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/syncing/SyncingSubscription.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.syncing;
 
 import tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.Subscription;
diff --git a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/syncing/SyncingSubscriptionService.java b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/syncing/SyncingSubscriptionService.java
index 071c2c3a2d..667deae6a5 100644
--- a/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/syncing/SyncingSubscriptionService.java
+++ b/ethereum/jsonrpc/src/main/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/syncing/SyncingSubscriptionService.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.syncing;
 
 import tech.pegasys.pantheon.ethereum.core.SyncStatus;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/AbstractEthJsonRpcHttpServiceTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/AbstractEthJsonRpcHttpServiceTest.java
index 7dfbd8a81e..b7ff679b7e 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/AbstractEthJsonRpcHttpServiceTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/AbstractEthJsonRpcHttpServiceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/AdminJsonRpcHttpServiceTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/AdminJsonRpcHttpServiceTest.java
index 3af4ead8f1..8528c16762 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/AdminJsonRpcHttpServiceTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/AdminJsonRpcHttpServiceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/EthJsonRpcHttpBySpecTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/EthJsonRpcHttpBySpecTest.java
index 467234944e..49a8a0b512 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/EthJsonRpcHttpBySpecTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/EthJsonRpcHttpBySpecTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcConfigurationTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcConfigurationTest.java
index 28650810e3..f83b430018 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcConfigurationTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcConfigurationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpServiceCorsTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpServiceCorsTest.java
index 564efb795a..cdd28bcf03 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpServiceCorsTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpServiceCorsTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpServiceRpcApisTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpServiceRpcApisTest.java
index 7026d7212b..549c5c76ac 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpServiceRpcApisTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpServiceRpcApisTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import static java.util.Collections.singletonList;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpServiceTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpServiceTest.java
index b150e9f501..ba7ab60698 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpServiceTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpServiceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcTestHelper.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcTestHelper.java
index 23720f8a7e..1296ae5926 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcTestHelper.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcTestHelper.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/MockPeerConnection.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/MockPeerConnection.java
index 7121fffd88..c14159f79b 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/MockPeerConnection.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/MockPeerConnection.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.MessageData;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/EthJsonRpcHttpServiceTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/EthJsonRpcHttpServiceTest.java
index 1a32762987..be528ef74b 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/EthJsonRpcHttpServiceTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/EthJsonRpcHttpServiceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterIdGeneratorTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterIdGeneratorTest.java
index 331cbfaef7..9097d026ef 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterIdGeneratorTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterIdGeneratorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 import static org.junit.Assert.assertEquals;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterManagerLogFilterTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterManagerLogFilterTest.java
index 45a64aafac..56d98d20cf 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterManagerLogFilterTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterManagerLogFilterTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterManagerTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterManagerTest.java
index 7c30f70e7e..5a1a9c145e 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterManagerTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterManagerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterRepositoryTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterRepositoryTest.java
index ba6c92711f..f1887d0b0e 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterRepositoryTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterRepositoryTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterTest.java
index 9bce735669..8ab5e6b176 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterTimeoutMonitorTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterTimeoutMonitorTest.java
index 098e47242f..6c44cc1a36 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterTimeoutMonitorTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/FilterTimeoutMonitorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 import static org.mockito.Mockito.mock;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/LogsQueryTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/LogsQueryTest.java
index b3c08adc57..292da11e05 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/LogsQueryTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/filter/LogsQueryTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.filter;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/AdminPeersTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/AdminPeersTest.java
index e6a84021c2..5c2e15604c 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/AdminPeersTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/AdminPeersTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/DebugStorageRangeAtTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/DebugStorageRangeAtTest.java
index 3ea808215c..96c8f295a7 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/DebugStorageRangeAtTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/DebugStorageRangeAtTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/DebugTraceTransactionTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/DebugTraceTransactionTest.java
index dee2d0d85b..33036c4e44 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/DebugTraceTransactionTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/DebugTraceTransactionTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.junit.Assert.assertEquals;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCallTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCallTest.java
index 332701d930..8ade9b1b9f 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCallTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCallTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCoinbaseTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCoinbaseTest.java
index fafa493d9c..99f2612adc 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCoinbaseTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthCoinbaseTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthEstimateGasTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthEstimateGasTest.java
index a1dfef22d3..0bdf7851a4 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthEstimateGasTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthEstimateGasTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGasPriceTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGasPriceTest.java
index 806f2a0068..5d09e6c61e 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGasPriceTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGasPriceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockByHashTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockByHashTest.java
index 883c9e56db..a73de24a9c 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockByHashTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetBlockByHashTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetFilterChangesTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetFilterChangesTest.java
index d03f01aa45..ba6527098f 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetFilterChangesTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetFilterChangesTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetFilterLogsTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetFilterLogsTest.java
index 371f46e0b4..73e0bcaae6 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetFilterLogsTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetFilterLogsTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionCountTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionCountTest.java
index ab3323f0ae..ba25a5b28b 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionCountTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionCountTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.junit.Assert.assertEquals;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionReceiptTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionReceiptTest.java
index e5402d632c..4d400ff642 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionReceiptTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetTransactionReceiptTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.junit.Assert.assertEquals;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleByBlockHashAndIndexTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleByBlockHashAndIndexTest.java
index 13649925f4..20248cdf8e 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleByBlockHashAndIndexTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleByBlockHashAndIndexTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleByBlockNumberAndIndexTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleByBlockNumberAndIndexTest.java
index dcd3fb9433..e91bcab9c3 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleByBlockNumberAndIndexTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthGetUncleByBlockNumberAndIndexTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthMiningTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthMiningTest.java
index 7f4538a04b..f2348d26c8 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthMiningTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthMiningTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewBlockFilterTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewBlockFilterTest.java
index f3b9d7c563..8b19709f32 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewBlockFilterTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewBlockFilterTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewFilterTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewFilterTest.java
index 642877f9a6..aa969cfee4 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewFilterTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthNewFilterTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthProtocolVersionTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthProtocolVersionTest.java
index 29b110d45e..076af6835b 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthProtocolVersionTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthProtocolVersionTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthSendRawTransactionTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthSendRawTransactionTest.java
index d80d7d5331..aae3532dce 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthSendRawTransactionTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthSendRawTransactionTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthSyncingTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthSyncingTest.java
index 7d0d50b33d..7425a64ccb 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthSyncingTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/EthSyncingTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/NetListeningTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/NetListeningTest.java
index 6de2398df9..d41d526401 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/NetListeningTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/NetListeningTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/TransientTransactionProcessorTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/TransientTransactionProcessorTest.java
index d951f97a7a..d797c4c81a 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/TransientTransactionProcessorTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/TransientTransactionProcessorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/Web3Sha3Test.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/Web3Sha3Test.java
index 298dadd256..c24ff94441 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/Web3Sha3Test.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/Web3Sha3Test.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetCoinbaseTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetCoinbaseTest.java
index 8b1f208460..d7b3903f58 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetCoinbaseTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetCoinbaseTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.miner;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetEtherbaseTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetEtherbaseTest.java
index e4c19eacab..60d5a599db 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetEtherbaseTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerSetEtherbaseTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.miner;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStartTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStartTest.java
index 52096e65eb..7d815659c1 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStartTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStartTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.miner;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStopTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStopTest.java
index fc5902d783..0dc769fd81 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStopTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/methods/miner/MinerStopTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.methods.miner;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/FilterParameterTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/FilterParameterTest.java
index 1ee0913619..4ea8a5c5ba 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/FilterParameterTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/parameters/FilterParameterTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.parameters;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransactionTracerTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransactionTracerTest.java
index 548c321897..6f9008c813 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransactionTracerTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransactionTracerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.processor;
 
 import static org.junit.Assert.assertEquals;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransientTransactionProcessingResultTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransientTransactionProcessingResultTest.java
index 1a28dc7095..34e4756cea 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransientTransactionProcessingResultTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/processor/TransientTransactionProcessingResultTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.processor;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/BlockchainQueriesTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/BlockchainQueriesTest.java
index f5489927fe..02b689da94 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/BlockchainQueriesTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/queries/BlockchainQueriesTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.queries;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/NetworkResultTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/NetworkResultTest.java
index 6eba035681..d7188d6014 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/NetworkResultTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/internal/results/NetworkResultTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.internal.results;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketConfigurationTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketConfigurationTest.java
index 8363931c1b..648fcc50f1 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketConfigurationTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketConfigurationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketRequestHandlerTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketRequestHandlerTest.java
index 43f13d1c08..3e83505b97 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketRequestHandlerTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketRequestHandlerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket;
 
 import static org.mockito.ArgumentMatchers.eq;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketServiceTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketServiceTest.java
index 19c9d01af3..abd92a8bd1 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketServiceTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/WebSocketServiceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket;
 
 import static org.mockito.Mockito.reset;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthSubscribeIntegrationTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthSubscribeIntegrationTest.java
index 588a8ddda5..99a892f1db 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthSubscribeIntegrationTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthSubscribeIntegrationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthSubscribeTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthSubscribeTest.java
index 9071bbb3f6..b516a7d7d8 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthSubscribeTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthSubscribeTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthUnsubscribeIntegrationTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthUnsubscribeIntegrationTest.java
index 633a395530..3f70cdd008 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthUnsubscribeIntegrationTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthUnsubscribeIntegrationTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthUnsubscribeTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthUnsubscribeTest.java
index 78141b0c2c..18ac06b6fa 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthUnsubscribeTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/EthUnsubscribeTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/WebSocketMethodsFactoryTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/WebSocketMethodsFactoryTest.java
index 12ddcfe1eb..548d64169f 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/WebSocketMethodsFactoryTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/methods/WebSocketMethodsFactoryTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.methods;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionBuilderTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionBuilderTest.java
index b94b7008a8..264eee2ba8 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionBuilderTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionBuilderTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionManagerSendMessageTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionManagerSendMessageTest.java
index 4e95911599..afea27d6c3 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionManagerSendMessageTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionManagerSendMessageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription;
 
 import static junit.framework.TestCase.fail;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionManagerTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionManagerTest.java
index 227636af83..c2fdc93d4f 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionManagerTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/SubscriptionManagerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/blockheaders/NewBlockHeadersSubscriptionServiceTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/blockheaders/NewBlockHeadersSubscriptionServiceTest.java
index 37e05a5d4a..6560f09bd4 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/blockheaders/NewBlockHeadersSubscriptionServiceTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/blockheaders/NewBlockHeadersSubscriptionServiceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.blockheaders;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/logs/LogsSubscriptionServiceTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/logs/LogsSubscriptionServiceTest.java
index 36ccde85a3..5e791e2eae 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/logs/LogsSubscriptionServiceTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/logs/LogsSubscriptionServiceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.logs;
 
 import static org.mockito.ArgumentMatchers.any;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/pending/PendingTransactionSubscriptionServiceTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/pending/PendingTransactionSubscriptionServiceTest.java
index 300b55ff8a..751cbd553e 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/pending/PendingTransactionSubscriptionServiceTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/pending/PendingTransactionSubscriptionServiceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.pending;
 
 import static org.mockito.ArgumentMatchers.any;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/SubscriptionRequestMapperTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/SubscriptionRequestMapperTest.java
index 95649bfe26..9c13f220c1 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/SubscriptionRequestMapperTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/request/SubscriptionRequestMapperTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.request;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/syncing/SyncingSubscriptionServiceTest.java b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/syncing/SyncingSubscriptionServiceTest.java
index 47b64dc806..46b053108e 100644
--- a/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/syncing/SyncingSubscriptionServiceTest.java
+++ b/ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/websocket/subscription/syncing/SyncingSubscriptionServiceTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.jsonrpc.websocket.subscription.syncing;
 
 import static org.mockito.ArgumentMatchers.any;
diff --git a/ethereum/mock-p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/testing/MockNetwork.java b/ethereum/mock-p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/testing/MockNetwork.java
index 548c2cc190..f1d939843b 100644
--- a/ethereum/mock-p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/testing/MockNetwork.java
+++ b/ethereum/mock-p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/testing/MockNetwork.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.testing;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.DisconnectCallback;
diff --git a/ethereum/mock-p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/testing/MockNetworkTest.java b/ethereum/mock-p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/testing/MockNetworkTest.java
index 9ee08bfabc..d938f813ec 100644
--- a/ethereum/mock-p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/testing/MockNetworkTest.java
+++ b/ethereum/mock-p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/testing/MockNetworkTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.testing;
 
 import tech.pegasys.pantheon.ethereum.p2p.NetworkMemoryPool;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/NetworkMemoryPool.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/NetworkMemoryPool.java
index ea0d5a073d..4974f23564 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/NetworkMemoryPool.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/NetworkMemoryPool.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p;
 
 import io.netty.buffer.ByteBuf;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/NetworkRunner.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/NetworkRunner.java
index 559eceff98..6473664763 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/NetworkRunner.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/NetworkRunner.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.MessageData;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/DisconnectCallback.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/DisconnectCallback.java
index 7d32237642..aa7c0354fc 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/DisconnectCallback.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/DisconnectCallback.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.api;
 
 import tech.pegasys.pantheon.ethereum.p2p.wire.messages.DisconnectMessage.DisconnectReason;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/Message.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/Message.java
index bee1014ef2..183b003374 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/Message.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/Message.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.api;
 
 /** A P2P network message received from another peer. */
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/MessageData.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/MessageData.java
index 4aac134772..26298c3cba 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/MessageData.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/MessageData.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.api;
 
 import io.netty.buffer.ByteBuf;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/P2PNetwork.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/P2PNetwork.java
index 884b9b8bd8..152786ae28 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/P2PNetwork.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/P2PNetwork.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.api;
 
 import tech.pegasys.pantheon.ethereum.p2p.peers.Peer;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/PeerConnection.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/PeerConnection.java
index 38072ec610..f5ec1fd0f0 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/PeerConnection.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/PeerConnection.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.api;
 
 import tech.pegasys.pantheon.ethereum.p2p.wire.Capability;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/ProtocolManager.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/ProtocolManager.java
index 25ea0e86fe..43f45f9cc3 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/ProtocolManager.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/api/ProtocolManager.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.api;
 
 import tech.pegasys.pantheon.ethereum.p2p.discovery.internal.PeerRequirement;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/DiscoveryConfiguration.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/DiscoveryConfiguration.java
index b8d3a28dd5..44c5060996 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/DiscoveryConfiguration.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/DiscoveryConfiguration.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.config;
 
 import static java.util.stream.Collectors.toList;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/NetworkingConfiguration.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/NetworkingConfiguration.java
index 8a526932b1..2fcd371531 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/NetworkingConfiguration.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/NetworkingConfiguration.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.config;
 
 import tech.pegasys.pantheon.ethereum.p2p.wire.SubProtocol;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/RlpxConfiguration.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/RlpxConfiguration.java
index f16eea33f8..0615c0b773 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/RlpxConfiguration.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/RlpxConfiguration.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.config;
 
 import java.util.Objects;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/SubProtocolConfiguration.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/SubProtocolConfiguration.java
index da6ebeab7d..448ae201b4 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/SubProtocolConfiguration.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/SubProtocolConfiguration.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.config;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.ProtocolManager;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/WireProtocolConfig.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/WireProtocolConfig.java
index ea3d08b585..38a75fe8c5 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/WireProtocolConfig.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/config/WireProtocolConfig.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.config;
 
 import java.util.Objects;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/DiscoveryPeer.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/DiscoveryPeer.java
index 44e7c38641..5af76e89e5 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/DiscoveryPeer.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/DiscoveryPeer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery;
 
 import tech.pegasys.pantheon.ethereum.p2p.peers.DefaultPeer;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryAgent.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryAgent.java
index dd79102d93..2a36adf1d4 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryAgent.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryAgent.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryEvent.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryEvent.java
index f4952e374a..fb1f44751e 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryEvent.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryEvent.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery;
 
 import com.google.common.base.MoreObjects;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryPacketDecodingException.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryPacketDecodingException.java
index ef1021d018..a24d650b6e 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryPacketDecodingException.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryPacketDecodingException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery;
 
 /** Signals that an error occurred while deserializing a discovery packet from the wire. */
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryServiceException.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryServiceException.java
index 643b5cdd93..e0ade1c92b 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryServiceException.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryServiceException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery;
 
 /** Thrown to indicate that an error occurred during the operation of the P2P Discovery Service. */
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryStatus.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryStatus.java
index 94f7b45256..f79c3e978c 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryStatus.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryStatus.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery;
 
 /** The status of a {@link DiscoveryPeer}, in relation to the peer discovery state machine. */
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/Bucket.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/Bucket.java
index 76b69f786b..e2a1d968bd 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/Bucket.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/Bucket.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import static java.lang.System.arraycopy;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/FindNeighborsPacketData.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/FindNeighborsPacketData.java
index dbad8e1a4e..d3a522fbe2 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/FindNeighborsPacketData.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/FindNeighborsPacketData.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/NeighborsPacketData.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/NeighborsPacketData.java
index 6e1eb33041..b28b8791eb 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/NeighborsPacketData.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/NeighborsPacketData.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/Packet.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/Packet.java
index 0958bdec5e..6365235f1b 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/Packet.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/Packet.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PacketData.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PacketData.java
index f5f027250e..9bece12ed9 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PacketData.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PacketData.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import tech.pegasys.pantheon.ethereum.rlp.RLPOutput;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PacketType.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PacketType.java
index 9d8b7c4a2c..7b36ee8804 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PacketType.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PacketType.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerDiscoveryController.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerDiscoveryController.java
index 009df5ec35..ada616d275 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerDiscoveryController.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerDiscoveryController.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import static com.google.common.base.Preconditions.checkNotNull;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerRequirement.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerRequirement.java
index 46b4d5efd0..d839f49fcd 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerRequirement.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerRequirement.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import java.util.Collection;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerTable.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerTable.java
index 1e0ea44cbb..9a14f978c7 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerTable.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerTable.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import static java.util.Collections.unmodifiableList;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PingPacketData.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PingPacketData.java
index 674a714aab..e51ac0a8af 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PingPacketData.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PingPacketData.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PongPacketData.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PongPacketData.java
index 785ca7fd74..b019fb84e4 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PongPacketData.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PongPacketData.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import tech.pegasys.pantheon.ethereum.p2p.peers.Endpoint;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/RetryDelayFunction.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/RetryDelayFunction.java
index b8f5b8e669..fe7aad7a3e 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/RetryDelayFunction.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/RetryDelayFunction.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import java.util.function.UnaryOperator;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/AbstractHandshakeHandler.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/AbstractHandshakeHandler.java
index fe1ac35cf7..31e3fa4ac9 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/AbstractHandshakeHandler.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/AbstractHandshakeHandler.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.PeerConnection;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/ApiHandler.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/ApiHandler.java
index 2e2c655d88..473eada7fc 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/ApiHandler.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/ApiHandler.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.MessageData;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/Callbacks.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/Callbacks.java
index 03e12c62ea..39daf8f20b 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/Callbacks.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/Callbacks.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.DisconnectCallback;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/CapabilityMultiplexer.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/CapabilityMultiplexer.java
index da75e5b350..d0809d5118 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/CapabilityMultiplexer.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/CapabilityMultiplexer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import static java.util.Comparator.comparing;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/DeFramer.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/DeFramer.java
index f4eb620a57..ba930e3f4a 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/DeFramer.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/DeFramer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.MessageData;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/HandshakeHandlerInbound.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/HandshakeHandlerInbound.java
index cde8289cd6..94f5680182 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/HandshakeHandlerInbound.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/HandshakeHandlerInbound.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import tech.pegasys.pantheon.crypto.SECP256K1;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/HandshakeHandlerOutbound.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/HandshakeHandlerOutbound.java
index 2299793090..2e414f1fc5 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/HandshakeHandlerOutbound.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/HandshakeHandlerOutbound.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import tech.pegasys.pantheon.crypto.SECP256K1;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/MessageFramer.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/MessageFramer.java
index 24ff3f3ea6..cac421fad9 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/MessageFramer.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/MessageFramer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import tech.pegasys.pantheon.ethereum.p2p.rlpx.framing.Framer;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/NettyP2PNetwork.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/NettyP2PNetwork.java
index 3d283b5862..fef2fbea96 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/NettyP2PNetwork.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/NettyP2PNetwork.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import tech.pegasys.pantheon.crypto.SECP256K1;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/NettyPeerConnection.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/NettyPeerConnection.java
index 99fcc4e192..6ea2a4647d 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/NettyPeerConnection.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/NettyPeerConnection.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import static java.util.concurrent.TimeUnit.SECONDS;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/OutboundMessage.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/OutboundMessage.java
index 87d7648ed9..53637132f7 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/OutboundMessage.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/OutboundMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.MessageData;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/PeerConnectionRegistry.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/PeerConnectionRegistry.java
index 7d89f74f7e..9c8ae686ab 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/PeerConnectionRegistry.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/PeerConnectionRegistry.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import static java.util.Collections.unmodifiableCollection;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/TimeoutHandler.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/TimeoutHandler.java
index 9f6bcd4604..f2567fdb1d 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/TimeoutHandler.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/TimeoutHandler.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import java.util.concurrent.TimeUnit;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/WireKeepAlive.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/WireKeepAlive.java
index 9c69f994ba..060014fc87 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/WireKeepAlive.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/WireKeepAlive.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.PeerConnection;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/exceptions/IncompatiblePeerException.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/exceptions/IncompatiblePeerException.java
index eb3e4f1a38..601eee3b81 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/exceptions/IncompatiblePeerException.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/netty/exceptions/IncompatiblePeerException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty.exceptions;
 
 public class IncompatiblePeerException extends RuntimeException {
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/DefaultPeer.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/DefaultPeer.java
index 837bdfc76f..d329c41d0c 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/DefaultPeer.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/DefaultPeer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.peers;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/DefaultPeerId.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/DefaultPeerId.java
index 3b03d97cc1..fbb8ca3309 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/DefaultPeerId.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/DefaultPeerId.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.peers;
 
 import tech.pegasys.pantheon.crypto.Hash;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/Endpoint.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/Endpoint.java
index 8584076f29..14681a0a75 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/Endpoint.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/Endpoint.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.peers;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/Peer.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/Peer.java
index d0c99f4879..0882e110c2 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/Peer.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/Peer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.peers;
 
 import tech.pegasys.pantheon.crypto.SecureRandomProvider;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/PeerBlacklist.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/PeerBlacklist.java
index 44a73fb343..4f797d30d2 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/PeerBlacklist.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/PeerBlacklist.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.peers;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.DisconnectCallback;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/PeerId.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/PeerId.java
index 2c20139462..18e7c09065 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/PeerId.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/peers/PeerId.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.peers;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/CompressionException.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/CompressionException.java
index 67b94fc417..01b5f11b95 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/CompressionException.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/CompressionException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.framing;
 
 /** Thrown when an error occurs during compression and decompression of payloads. */
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/Compressor.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/Compressor.java
index 76786d1060..b4c09770f2 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/Compressor.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/Compressor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.framing;
 
 /** A strategy for compressing and decompressing devp2p subprotocol messages. */
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/Framer.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/Framer.java
index 22846963ff..8ea28f23bd 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/Framer.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/Framer.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.framing;
 
 import static io.netty.buffer.ByteBufUtil.hexDump;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/FramingException.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/FramingException.java
index 8d54fc05b8..0c515c0ffe 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/FramingException.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/FramingException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.framing;
 
 /** Thrown when the framer encounters an error during framing or deframing. */
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/SnappyCompressor.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/SnappyCompressor.java
index eddd4bcdb6..3d5bac093b 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/SnappyCompressor.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/SnappyCompressor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.framing;
 
 import static com.google.common.base.Preconditions.checkNotNull;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/HandshakeException.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/HandshakeException.java
index 6536f3d7f6..5943e88345 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/HandshakeException.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/HandshakeException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.handshake;
 
 /** Signals that an error occurred during the RLPx cryptographic handshake. */
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/HandshakeSecrets.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/HandshakeSecrets.java
index e57952bcc1..97f5b01590 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/HandshakeSecrets.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/HandshakeSecrets.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.handshake;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/Handshaker.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/Handshaker.java
index 6eb291808d..63f9ea7ea5 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/Handshaker.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/Handshaker.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.handshake;
 
 import tech.pegasys.pantheon.crypto.SECP256K1;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ECIESEncryptionEngine.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ECIESEncryptionEngine.java
index e514b78467..3940a69eb4 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ECIESEncryptionEngine.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ECIESEncryptionEngine.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.handshake.ecies;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ECIESHandshaker.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ECIESHandshaker.java
index 00bde14273..9f0b152cef 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ECIESHandshaker.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ECIESHandshaker.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.handshake.ecies;
 
 import static com.google.common.base.Preconditions.checkState;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/EncryptedMessage.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/EncryptedMessage.java
index 31860c9ddf..e6dcbdd46a 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/EncryptedMessage.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/EncryptedMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.handshake.ecies;
 
 import tech.pegasys.pantheon.crypto.SECP256K1;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessage.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessage.java
index d134a7fe5a..4f01e3fe18 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessage.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.handshake.ecies;
 
 import tech.pegasys.pantheon.crypto.SECP256K1;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessageV1.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessageV1.java
index b5c6976095..0b5e6dffa3 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessageV1.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessageV1.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.handshake.ecies;
 
 import static com.google.common.base.Preconditions.checkState;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessageV4.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessageV4.java
index 67d512b94f..addce49b0e 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessageV4.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessageV4.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.handshake.ecies;
 
 import tech.pegasys.pantheon.crypto.Hash;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ResponderHandshakeMessage.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ResponderHandshakeMessage.java
index 36423847e5..1f54375770 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ResponderHandshakeMessage.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ResponderHandshakeMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.handshake.ecies;
 
 import tech.pegasys.pantheon.crypto.SECP256K1;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ResponderHandshakeMessageV1.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ResponderHandshakeMessageV1.java
index 20c6175c1a..8cc8cffc11 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ResponderHandshakeMessageV1.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ResponderHandshakeMessageV1.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.handshake.ecies;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ResponderHandshakeMessageV4.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ResponderHandshakeMessageV4.java
index bb68a31ee1..56b5171431 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ResponderHandshakeMessageV4.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ResponderHandshakeMessageV4.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.handshake.ecies;
 
 import tech.pegasys.pantheon.crypto.SECP256K1;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/utils/ByteBufUtils.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/utils/ByteBufUtils.java
index d4589618bd..d03cc008c3 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/utils/ByteBufUtils.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/utils/ByteBufUtils.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.utils;
 
 import tech.pegasys.pantheon.ethereum.p2p.NetworkMemoryPool;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/AbstractMessageData.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/AbstractMessageData.java
index 56d0c25a1c..4e87b44c8f 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/AbstractMessageData.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/AbstractMessageData.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.wire;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.MessageData;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/Capability.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/Capability.java
index 8d46fb10f2..ea23d1013b 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/Capability.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/Capability.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.wire;
 
 import static tech.pegasys.pantheon.util.bytes.BytesValue.wrap;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/DefaultMessage.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/DefaultMessage.java
index 5452405a97..ad229ce105 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/DefaultMessage.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/DefaultMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.wire;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.Message;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/PeerInfo.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/PeerInfo.java
index d800da8501..c38c45be5c 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/PeerInfo.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/PeerInfo.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.wire;
 
 import static tech.pegasys.pantheon.util.bytes.BytesValue.wrap;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/RawMessage.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/RawMessage.java
index e4c39ad08f..6729f6bdcf 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/RawMessage.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/RawMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.wire;
 
 import io.netty.buffer.ByteBuf;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/SubProtocol.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/SubProtocol.java
index 7e46726245..5a121c0519 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/SubProtocol.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/SubProtocol.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.wire;
 
 public interface SubProtocol {
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/WireProtocolException.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/WireProtocolException.java
index 5669db2185..fce120358d 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/WireProtocolException.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/WireProtocolException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.wire;
 
 /** Signals that an exception occurred in the Wire protocol layer of the RLPx stack. */
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/DisconnectMessage.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/DisconnectMessage.java
index d0c053b93d..4d53fc3ba5 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/DisconnectMessage.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/DisconnectMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.wire.messages;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/EmptyMessage.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/EmptyMessage.java
index 95a886df3a..0b86ae0e4c 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/EmptyMessage.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/EmptyMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.wire.messages;
 
 import tech.pegasys.pantheon.ethereum.p2p.api.MessageData;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/HelloMessage.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/HelloMessage.java
index 2a8f9c1285..b7ee563db0 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/HelloMessage.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/HelloMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.wire.messages;
 
 import tech.pegasys.pantheon.ethereum.p2p.NetworkMemoryPool;
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/PingMessage.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/PingMessage.java
index 227530980e..b1d0dcc785 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/PingMessage.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/PingMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.wire.messages;
 
 public final class PingMessage extends EmptyMessage {
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/PongMessage.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/PongMessage.java
index 6a68ecd05f..b818cd62b0 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/PongMessage.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/PongMessage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.wire.messages;
 
 public final class PongMessage extends EmptyMessage {
diff --git a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/WireMessageCodes.java b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/WireMessageCodes.java
index 7d47f1f360..b3b8a7e0d0 100644
--- a/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/WireMessageCodes.java
+++ b/ethereum/p2p/src/main/java/tech/pegasys/pantheon/ethereum/p2p/wire/messages/WireMessageCodes.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.wire.messages;
 
 public final class WireMessageCodes {
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/NettyP2PNetworkTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/NettyP2PNetworkTest.java
index 7b502c4ff5..9b031e7664 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/NettyP2PNetworkTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/NettyP2PNetworkTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p;
 
 import static java.util.Collections.singletonList;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/NetworkingServiceLifecycleTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/NetworkingServiceLifecycleTest.java
index ca45249627..ffcb033113 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/NetworkingServiceLifecycleTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/NetworkingServiceLifecycleTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p;
 
 import static java.util.Collections.emptyList;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/NetworkingTestHelper.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/NetworkingTestHelper.java
index 6ec2f1b526..7bf06bd9a5 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/NetworkingTestHelper.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/NetworkingTestHelper.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p;
 
 import tech.pegasys.pantheon.ethereum.p2p.config.DiscoveryConfiguration;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/AbstractPeerDiscoveryTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/AbstractPeerDiscoveryTest.java
index 7feb0de109..9c4734bf14 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/AbstractPeerDiscoveryTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/AbstractPeerDiscoveryTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery;
 
 import static io.vertx.core.Vertx.vertx;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryAgentTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryAgentTest.java
index 5199cadc2b..d1335bbd54 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryAgentTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryAgentTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryBondingTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryBondingTest.java
index d3acca6656..06342d8cba 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryBondingTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryBondingTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery;
 
 import static java.util.Collections.emptyList;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryBootstrappingTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryBootstrappingTest.java
index 51149e97d5..92d1152800 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryBootstrappingTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryBootstrappingTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery;
 
 import static java.util.Collections.emptyList;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryObserversTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryObserversTest.java
index 058e269fd4..901fc5e719 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryObserversTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryObserversTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery;
 
 import static io.vertx.core.Vertx.vertx;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryPacketPcapSedesTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryPacketPcapSedesTest.java
index 127dacd802..202fae7ad4 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryPacketPcapSedesTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryPacketPcapSedesTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery;
 
 import static com.google.common.net.InetAddresses.isInetAddress;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryPacketSedesTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryPacketSedesTest.java
index 213db64c6c..934f9889a3 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryPacketSedesTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryPacketSedesTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryTestHelper.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryTestHelper.java
index 357364f707..0f1ab660a5 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryTestHelper.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryTestHelper.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery;
 
 import tech.pegasys.pantheon.crypto.SECP256K1;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryTimestampsTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryTimestampsTest.java
index d8e67b4179..11414353aa 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryTimestampsTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/PeerDiscoveryTimestampsTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/BucketTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/BucketTest.java
index 5020b80648..73a809142b 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/BucketTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/BucketTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import static junit.framework.TestCase.assertFalse;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/MockPacketDataFactory.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/MockPacketDataFactory.java
index c299b31656..4e5feb16bb 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/MockPacketDataFactory.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/MockPacketDataFactory.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import static org.mockito.ArgumentMatchers.any;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PacketTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PacketTest.java
index 585f4cb93e..a390171e8a 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PacketTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PacketTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerDiscoveryControllerDistanceCalculatorTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerDiscoveryControllerDistanceCalculatorTest.java
index 4b3cec92da..ed0396026a 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerDiscoveryControllerDistanceCalculatorTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerDiscoveryControllerDistanceCalculatorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerDiscoveryControllerTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerDiscoveryControllerTest.java
index 103d63d1e1..0fe101e73c 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerDiscoveryControllerTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerDiscoveryControllerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerDiscoveryTableRefreshTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerDiscoveryTableRefreshTest.java
index 90876c9f4c..46a95fafd5 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerDiscoveryTableRefreshTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerDiscoveryTableRefreshTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import static java.util.Collections.emptyList;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerTableTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerTableTest.java
index 64b790d7ac..edc21281ec 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerTableTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/discovery/internal/PeerTableTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.discovery.internal;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/netty/CapabilityMultiplexerTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/netty/CapabilityMultiplexerTest.java
index 7495523762..51b116ae60 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/netty/CapabilityMultiplexerTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/netty/CapabilityMultiplexerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/netty/NettyPeerConnectionTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/netty/NettyPeerConnectionTest.java
index d36f8d035d..e3cb0154ba 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/netty/NettyPeerConnectionTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/netty/NettyPeerConnectionTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import static java.util.Collections.emptyList;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/netty/PeerConnectionRegistryTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/netty/PeerConnectionRegistryTest.java
index 3ff5540484..763de2d808 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/netty/PeerConnectionRegistryTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/netty/PeerConnectionRegistryTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.netty;
 
 import static java.util.Collections.emptyList;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/peers/PeerBlacklistTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/peers/PeerBlacklistTest.java
index 52e474b411..b31244606f 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/peers/PeerBlacklistTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/peers/PeerBlacklistTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.peers;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/peers/PeerTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/peers/PeerTest.java
index e6bf893054..6bfe35629d 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/peers/PeerTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/peers/PeerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.peers;
 
 import static org.junit.Assert.assertEquals;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/FramerTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/FramerTest.java
index da88faffc6..40cffe38c9 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/FramerTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/FramerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.framing;
 
 import static io.netty.buffer.ByteBufUtil.decodeHexDump;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/SnappyCompressorTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/SnappyCompressorTest.java
index 3b664834e3..76a804b4fa 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/SnappyCompressorTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/framing/SnappyCompressorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.framing;
 
 import static io.netty.buffer.ByteBufUtil.decodeHexDump;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ECIESHandshakeTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ECIESHandshakeTest.java
index de7bb42528..4d0d238f96 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ECIESHandshakeTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/ECIESHandshakeTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.handshake.ecies;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/EncryptedMessageTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/EncryptedMessageTest.java
index d75aa35ca6..7764eb9d9f 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/EncryptedMessageTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/EncryptedMessageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.handshake.ecies;
 
 import tech.pegasys.pantheon.crypto.SECP256K1;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessageV4Test.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessageV4Test.java
index 46affadb2d..6a89204b40 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessageV4Test.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/rlpx/handshake/ecies/InitiatorHandshakeMessageV4Test.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.rlpx.handshake.ecies;
 
 import tech.pegasys.pantheon.crypto.SECP256K1;
diff --git a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/wire/WireMessagesSedesTest.java b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/wire/WireMessagesSedesTest.java
index 4941985f0d..21dee8530d 100644
--- a/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/wire/WireMessagesSedesTest.java
+++ b/ethereum/p2p/src/test/java/tech/pegasys/pantheon/ethereum/p2p/wire/WireMessagesSedesTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.p2p.wire;
 
 import static io.netty.buffer.ByteBufUtil.decodeHexDump;
diff --git a/ethereum/rlp/src/jmh/java/tech/pegasys/pantheon/ethereum/rlp/RLPBench.java b/ethereum/rlp/src/jmh/java/tech/pegasys/pantheon/ethereum/rlp/RLPBench.java
index 083fcdb545..48389caa0f 100644
--- a/ethereum/rlp/src/jmh/java/tech/pegasys/pantheon/ethereum/rlp/RLPBench.java
+++ b/ethereum/rlp/src/jmh/java/tech/pegasys/pantheon/ethereum/rlp/RLPBench.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/AbstractRLPInput.java b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/AbstractRLPInput.java
index 74c4626409..10ad26172b 100644
--- a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/AbstractRLPInput.java
+++ b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/AbstractRLPInput.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import static com.google.common.base.Preconditions.checkState;
diff --git a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/AbstractRLPOutput.java b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/AbstractRLPOutput.java
index b1ada29d7c..2fc860af8a 100644
--- a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/AbstractRLPOutput.java
+++ b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/AbstractRLPOutput.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import static com.google.common.base.Preconditions.checkState;
diff --git a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/BytesValueRLPInput.java b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/BytesValueRLPInput.java
index 2d116318de..e89b14289b 100644
--- a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/BytesValueRLPInput.java
+++ b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/BytesValueRLPInput.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/BytesValueRLPOutput.java b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/BytesValueRLPOutput.java
index ec6c33c311..2964f009ae 100644
--- a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/BytesValueRLPOutput.java
+++ b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/BytesValueRLPOutput.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/CorruptedRLPInputException.java b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/CorruptedRLPInputException.java
index bfc8903c2e..880b471f18 100644
--- a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/CorruptedRLPInputException.java
+++ b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/CorruptedRLPInputException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 /** Exception thrown if an RLP input is corrupted and cannot be decoded properly. */
diff --git a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/FileRLPInput.java b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/FileRLPInput.java
index 2858e6e405..6716d89ee9 100644
--- a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/FileRLPInput.java
+++ b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/FileRLPInput.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/MalformedRLPInputException.java b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/MalformedRLPInputException.java
index 22c0acbf92..c653cb953b 100644
--- a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/MalformedRLPInputException.java
+++ b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/MalformedRLPInputException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 /**
diff --git a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLP.java b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLP.java
index 9151d12cde..b440b434ad 100644
--- a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLP.java
+++ b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLP.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import static java.lang.String.format;
diff --git a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPDecodingHelpers.java b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPDecodingHelpers.java
index 2115b6901b..34b7fba4f2 100644
--- a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPDecodingHelpers.java
+++ b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPDecodingHelpers.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import java.util.function.IntUnaryOperator;
diff --git a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPEncodingHelpers.java b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPEncodingHelpers.java
index f3f013d579..f1369b3997 100644
--- a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPEncodingHelpers.java
+++ b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPEncodingHelpers.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPException.java b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPException.java
index 13b61d131f..27f1c4dc64 100644
--- a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPException.java
+++ b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 public class RLPException extends RuntimeException {
diff --git a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPInput.java b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPInput.java
index 38978eb8e2..696b55c4c1 100644
--- a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPInput.java
+++ b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPInput.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPOutput.java b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPOutput.java
index 6ae405d2d7..2400ecbfdd 100644
--- a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPOutput.java
+++ b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RLPOutput.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RlpUtils.java b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RlpUtils.java
index 0dbc4d9c15..d36d89da6a 100644
--- a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RlpUtils.java
+++ b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/RlpUtils.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import java.nio.ByteBuffer;
diff --git a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/VertxBufferRLPInput.java b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/VertxBufferRLPInput.java
index 539155d558..598783c8ad 100644
--- a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/VertxBufferRLPInput.java
+++ b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/VertxBufferRLPInput.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/VertxBufferRLPOutput.java b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/VertxBufferRLPOutput.java
index 1f6ad8673e..173df7e6f6 100644
--- a/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/VertxBufferRLPOutput.java
+++ b/ethereum/rlp/src/main/java/tech/pegasys/pantheon/ethereum/rlp/VertxBufferRLPOutput.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import tech.pegasys.pantheon.util.bytes.MutableBytesValue;
diff --git a/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/BytesValueRLPInputTest.java b/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/BytesValueRLPInputTest.java
index 14599826f5..2fb4884130 100644
--- a/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/BytesValueRLPInputTest.java
+++ b/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/BytesValueRLPInputTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import static org.junit.Assert.assertEquals;
diff --git a/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/BytesValueRLPOutputTest.java b/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/BytesValueRLPOutputTest.java
index 23002cf3cb..29c04e9000 100644
--- a/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/BytesValueRLPOutputTest.java
+++ b/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/BytesValueRLPOutputTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import static org.junit.Assert.assertEquals;
diff --git a/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/InvalidRLPRefTest.java b/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/InvalidRLPRefTest.java
index 8ce522859c..505bfa7e1c 100644
--- a/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/InvalidRLPRefTest.java
+++ b/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/InvalidRLPRefTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import static org.junit.Assume.assumeTrue;
diff --git a/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/InvalidRLPRefTestCaseSpec.java b/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/InvalidRLPRefTestCaseSpec.java
index b6636ecb0c..00be9ffef9 100644
--- a/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/InvalidRLPRefTestCaseSpec.java
+++ b/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/InvalidRLPRefTestCaseSpec.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/RLPRefTest.java b/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/RLPRefTest.java
index 7678ca9066..65b020c6df 100644
--- a/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/RLPRefTest.java
+++ b/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/RLPRefTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import static org.junit.Assert.assertEquals;
diff --git a/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/RLPRefTestCaseSpec.java b/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/RLPRefTestCaseSpec.java
index b3598c449b..468e4fde1d 100644
--- a/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/RLPRefTestCaseSpec.java
+++ b/ethereum/rlp/src/test/java/tech/pegasys/pantheon/ethereum/rlp/RLPRefTestCaseSpec.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.rlp;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/BranchNode.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/BranchNode.java
index 9ad8e5233f..f3b02ebf1b 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/BranchNode.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/BranchNode.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import static tech.pegasys.pantheon.crypto.Hash.keccak256;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/CommitVisitor.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/CommitVisitor.java
index 627a6907f8..6a39c95046 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/CommitVisitor.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/CommitVisitor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/CompactEncoding.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/CompactEncoding.java
index b0b155c649..6fb7580879 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/CompactEncoding.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/CompactEncoding.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/DefaultNodeFactory.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/DefaultNodeFactory.java
index 7b81d543c7..a817efc24d 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/DefaultNodeFactory.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/DefaultNodeFactory.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/ExtensionNode.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/ExtensionNode.java
index ca5d20b614..7a8be5d591 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/ExtensionNode.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/ExtensionNode.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import static tech.pegasys.pantheon.crypto.Hash.keccak256;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/GetVisitor.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/GetVisitor.java
index d03dc56ba4..0f799c47d8 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/GetVisitor.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/GetVisitor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/KeyValueMerkleStorage.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/KeyValueMerkleStorage.java
index 92b07905dd..551989725e 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/KeyValueMerkleStorage.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/KeyValueMerkleStorage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import tech.pegasys.pantheon.services.kvstore.KeyValueStorage;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/LeafNode.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/LeafNode.java
index fb63b911b9..07ed18fc5d 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/LeafNode.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/LeafNode.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import static tech.pegasys.pantheon.crypto.Hash.keccak256;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/MerklePatriciaTrie.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/MerklePatriciaTrie.java
index 32065873e5..0cb31da680 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/MerklePatriciaTrie.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/MerklePatriciaTrie.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import static tech.pegasys.pantheon.crypto.Hash.keccak256;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/MerkleStorage.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/MerkleStorage.java
index 08d24c20c6..92f9018008 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/MerkleStorage.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/MerkleStorage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/MerkleStorageException.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/MerkleStorageException.java
index a997e9edb0..3ed75052f4 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/MerkleStorageException.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/MerkleStorageException.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 /**
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/Node.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/Node.java
index 742229cd27..4d8b62e1ce 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/Node.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/Node.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NodeFactory.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NodeFactory.java
index f38b7d903c..efb234d857 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NodeFactory.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NodeFactory.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NodeLoader.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NodeLoader.java
index 2ecf0da3b2..ba1abb4ece 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NodeLoader.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NodeLoader.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NodeUpdater.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NodeUpdater.java
index 83292b444c..47126c6b1b 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NodeUpdater.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NodeUpdater.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NodeVisitor.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NodeVisitor.java
index efbaf9682e..1cd5755750 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NodeVisitor.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NodeVisitor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 interface NodeVisitor<V> {
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NullNode.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NullNode.java
index ebfdd20cf6..322e6240e6 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NullNode.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/NullNode.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import static tech.pegasys.pantheon.crypto.Hash.keccak256;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/PathNodeVisitor.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/PathNodeVisitor.java
index a43d88721f..13ff8ea09d 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/PathNodeVisitor.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/PathNodeVisitor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/PutVisitor.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/PutVisitor.java
index da30d5ab5a..0816e0306e 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/PutVisitor.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/PutVisitor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/RemoveVisitor.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/RemoveVisitor.java
index 20527948c4..0a8698bdcf 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/RemoveVisitor.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/RemoveVisitor.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/SimpleMerklePatriciaTrie.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/SimpleMerklePatriciaTrie.java
index a84d2d8a3b..dde962259b 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/SimpleMerklePatriciaTrie.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/SimpleMerklePatriciaTrie.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import static com.google.common.base.Preconditions.checkNotNull;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/StorageEntriesCollector.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/StorageEntriesCollector.java
index 51796ac9e2..06da55bf6c 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/StorageEntriesCollector.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/StorageEntriesCollector.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import tech.pegasys.pantheon.ethereum.trie.TrieIterator.State;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/StoredMerklePatriciaTrie.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/StoredMerklePatriciaTrie.java
index 54eabfc8fc..b7f820c692 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/StoredMerklePatriciaTrie.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/StoredMerklePatriciaTrie.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import static com.google.common.base.Preconditions.checkNotNull;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/StoredNode.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/StoredNode.java
index 8a38b179b0..bd80594f90 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/StoredNode.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/StoredNode.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import tech.pegasys.pantheon.ethereum.rlp.RLP;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/StoredNodeFactory.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/StoredNodeFactory.java
index da13b43b84..ecfa04c94c 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/StoredNodeFactory.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/StoredNodeFactory.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import static java.lang.String.format;
diff --git a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/TrieIterator.java b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/TrieIterator.java
index 15fd518f02..47f5455303 100644
--- a/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/TrieIterator.java
+++ b/ethereum/trie/src/main/java/tech/pegasys/pantheon/ethereum/trie/TrieIterator.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/CompactEncodingTest.java b/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/CompactEncodingTest.java
index 30af421561..f351f11186 100644
--- a/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/CompactEncodingTest.java
+++ b/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/CompactEncodingTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/SimpleMerklePatriciaTrieTest.java b/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/SimpleMerklePatriciaTrieTest.java
index a6b35ebcd2..1ce7ff46d1 100644
--- a/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/SimpleMerklePatriciaTrieTest.java
+++ b/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/SimpleMerklePatriciaTrieTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import static junit.framework.TestCase.assertFalse;
diff --git a/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/StoredMerklePatriciaTrieTest.java b/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/StoredMerklePatriciaTrieTest.java
index 51c0cdd857..4c03473b3a 100644
--- a/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/StoredMerklePatriciaTrieTest.java
+++ b/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/StoredMerklePatriciaTrieTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import static junit.framework.TestCase.assertFalse;
diff --git a/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/TrieIteratorTest.java b/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/TrieIteratorTest.java
index cd92fa3f2c..5ddadac9f4 100644
--- a/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/TrieIteratorTest.java
+++ b/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/TrieIteratorTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import static org.mockito.ArgumentMatchers.any;
diff --git a/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/TrieRefTest.java b/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/TrieRefTest.java
index 28fa5eee7c..24b1573ad0 100644
--- a/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/TrieRefTest.java
+++ b/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/TrieRefTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/TrieRefTestCaseSpec.java b/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/TrieRefTestCaseSpec.java
index 7cfc7e8a83..254b1ce0b1 100644
--- a/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/TrieRefTestCaseSpec.java
+++ b/ethereum/trie/src/test/java/tech/pegasys/pantheon/ethereum/trie/TrieRefTestCaseSpec.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.ethereum.trie;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
diff --git a/gradle/spotless.java.license b/gradle/spotless.java.license
new file mode 100644
index 0000000000..c894c92fbd
--- /dev/null
+++ b/gradle/spotless.java.license
@@ -0,0 +1,12 @@
+/*
+ * Copyright $YEAR ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/Pantheon.java b/pantheon/src/main/java/tech/pegasys/pantheon/Pantheon.java
index ef6cba2563..b7588f48b6 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/Pantheon.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/Pantheon.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon;
 
 import static picocli.CommandLine.defaultExceptionHandler;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/Runner.java b/pantheon/src/main/java/tech/pegasys/pantheon/Runner.java
index 99cbac330c..d6dea2f948 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/Runner.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/Runner.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon;
 
 import tech.pegasys.pantheon.controller.PantheonController;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/RunnerBuilder.java b/pantheon/src/main/java/tech/pegasys/pantheon/RunnerBuilder.java
index 9425cf6e1b..9afd6779b7 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/RunnerBuilder.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/RunnerBuilder.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon;
 
 import tech.pegasys.pantheon.consensus.clique.CliqueContext;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/cli/ConfigOptionSearchAndRunHandler.java b/pantheon/src/main/java/tech/pegasys/pantheon/cli/ConfigOptionSearchAndRunHandler.java
index a236dd779a..f9e241dba0 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/cli/ConfigOptionSearchAndRunHandler.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/cli/ConfigOptionSearchAndRunHandler.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.cli;
 
 import java.io.File;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/cli/EthNetworkConfig.java b/pantheon/src/main/java/tech/pegasys/pantheon/cli/EthNetworkConfig.java
index 17569a551a..9d1519df75 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/cli/EthNetworkConfig.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/cli/EthNetworkConfig.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.cli;
 
 import static tech.pegasys.pantheon.controller.CliquePantheonController.RINKEBY_NETWORK_ID;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/cli/ExportPublicKeySubCommand.java b/pantheon/src/main/java/tech/pegasys/pantheon/cli/ExportPublicKeySubCommand.java
index b861cfb88b..fab4f66424 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/cli/ExportPublicKeySubCommand.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/cli/ExportPublicKeySubCommand.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.cli;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/cli/ImportBlockchainSubCommand.java b/pantheon/src/main/java/tech/pegasys/pantheon/cli/ImportBlockchainSubCommand.java
index 7e4d6da483..475fd059af 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/cli/ImportBlockchainSubCommand.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/cli/ImportBlockchainSubCommand.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.cli;
 
 import static com.google.common.base.Preconditions.checkNotNull;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/cli/ImportSubCommand.java b/pantheon/src/main/java/tech/pegasys/pantheon/cli/ImportSubCommand.java
index a9baafa087..e5c4195001 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/cli/ImportSubCommand.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/cli/ImportSubCommand.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.cli;
 
 import static com.google.common.base.Preconditions.checkNotNull;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/cli/PantheonCommand.java b/pantheon/src/main/java/tech/pegasys/pantheon/cli/PantheonCommand.java
index d6bd6a8daf..d9299e951b 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/cli/PantheonCommand.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/cli/PantheonCommand.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.cli;
 
 import static com.google.common.base.Preconditions.checkNotNull;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/cli/PantheonControllerBuilder.java b/pantheon/src/main/java/tech/pegasys/pantheon/cli/PantheonControllerBuilder.java
index b3010dd1ca..bdd04b87f3 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/cli/PantheonControllerBuilder.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/cli/PantheonControllerBuilder.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.cli;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/cli/TomlConfigFileDefaultProvider.java b/pantheon/src/main/java/tech/pegasys/pantheon/cli/TomlConfigFileDefaultProvider.java
index b737e766a9..a641c5062c 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/cli/TomlConfigFileDefaultProvider.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/cli/TomlConfigFileDefaultProvider.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.cli;
 
 import java.io.File;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/cli/VersionProvider.java b/pantheon/src/main/java/tech/pegasys/pantheon/cli/VersionProvider.java
index d5ea99076c..f6251b9fec 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/cli/VersionProvider.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/cli/VersionProvider.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.cli;
 
 import tech.pegasys.pantheon.PantheonInfo;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/cli/custom/CorsAllowedOriginsProperty.java b/pantheon/src/main/java/tech/pegasys/pantheon/cli/custom/CorsAllowedOriginsProperty.java
index 707b899652..ba8c684e9d 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/cli/custom/CorsAllowedOriginsProperty.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/cli/custom/CorsAllowedOriginsProperty.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.cli.custom;
 
 import java.util.ArrayList;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/controller/CliquePantheonController.java b/pantheon/src/main/java/tech/pegasys/pantheon/controller/CliquePantheonController.java
index 5125b59295..bbf6445dca 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/controller/CliquePantheonController.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/controller/CliquePantheonController.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.controller;
 
 import static org.apache.logging.log4j.LogManager.getLogger;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/controller/IbftPantheonController.java b/pantheon/src/main/java/tech/pegasys/pantheon/controller/IbftPantheonController.java
index cce0ddf887..eb16d35b91 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/controller/IbftPantheonController.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/controller/IbftPantheonController.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.controller;
 
 import static org.apache.logging.log4j.LogManager.getLogger;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/controller/KeyPairUtil.java b/pantheon/src/main/java/tech/pegasys/pantheon/controller/KeyPairUtil.java
index 6cbddc512d..24359f2904 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/controller/KeyPairUtil.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/controller/KeyPairUtil.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.controller;
 
 import tech.pegasys.pantheon.crypto.SECP256K1;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/controller/MainnetPantheonController.java b/pantheon/src/main/java/tech/pegasys/pantheon/controller/MainnetPantheonController.java
index 7d35c28231..2cc0a372c8 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/controller/MainnetPantheonController.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/controller/MainnetPantheonController.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.controller;
 
 import static org.apache.logging.log4j.LogManager.getLogger;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/controller/PantheonController.java b/pantheon/src/main/java/tech/pegasys/pantheon/controller/PantheonController.java
index d705c1d8e7..39590047f4 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/controller/PantheonController.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/controller/PantheonController.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.controller;
 
 import tech.pegasys.pantheon.consensus.clique.CliqueProtocolSchedule;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/management/RestfulRouteBuilder.java b/pantheon/src/main/java/tech/pegasys/pantheon/management/RestfulRouteBuilder.java
index 4cabd1542a..240f9285ef 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/management/RestfulRouteBuilder.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/management/RestfulRouteBuilder.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.management;
 
 import java.util.Collections;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/util/BlockImporter.java b/pantheon/src/main/java/tech/pegasys/pantheon/util/BlockImporter.java
index 3c6031e544..44467a851f 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/util/BlockImporter.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/util/BlockImporter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util;
 
 import static org.apache.logging.log4j.LogManager.getLogger;
diff --git a/pantheon/src/main/java/tech/pegasys/pantheon/util/BlockchainImporter.java b/pantheon/src/main/java/tech/pegasys/pantheon/util/BlockchainImporter.java
index 2fdcbe8576..040c0583fd 100644
--- a/pantheon/src/main/java/tech/pegasys/pantheon/util/BlockchainImporter.java
+++ b/pantheon/src/main/java/tech/pegasys/pantheon/util/BlockchainImporter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util;
 
 import static com.google.common.base.Preconditions.checkNotNull;
diff --git a/pantheon/src/test/java/tech/pegasys/pantheon/RunnerTest.java b/pantheon/src/test/java/tech/pegasys/pantheon/RunnerTest.java
index 5f7b0d6dae..d1d1dca49c 100644
--- a/pantheon/src/test/java/tech/pegasys/pantheon/RunnerTest.java
+++ b/pantheon/src/test/java/tech/pegasys/pantheon/RunnerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/pantheon/src/test/java/tech/pegasys/pantheon/cli/CommandTestAbstract.java b/pantheon/src/test/java/tech/pegasys/pantheon/cli/CommandTestAbstract.java
index 5572a99643..3b2bf744ca 100644
--- a/pantheon/src/test/java/tech/pegasys/pantheon/cli/CommandTestAbstract.java
+++ b/pantheon/src/test/java/tech/pegasys/pantheon/cli/CommandTestAbstract.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.cli;
 
 import static org.mockito.ArgumentMatchers.any;
diff --git a/pantheon/src/test/java/tech/pegasys/pantheon/cli/ConfigOptionSearchAndRunHandlerTest.java b/pantheon/src/test/java/tech/pegasys/pantheon/cli/ConfigOptionSearchAndRunHandlerTest.java
index 83bb110650..a4c2aa5281 100644
--- a/pantheon/src/test/java/tech/pegasys/pantheon/cli/ConfigOptionSearchAndRunHandlerTest.java
+++ b/pantheon/src/test/java/tech/pegasys/pantheon/cli/ConfigOptionSearchAndRunHandlerTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.cli;
 
 import static org.hamcrest.CoreMatchers.is;
diff --git a/pantheon/src/test/java/tech/pegasys/pantheon/cli/ExportPublicKeySubCommandTest.java b/pantheon/src/test/java/tech/pegasys/pantheon/cli/ExportPublicKeySubCommandTest.java
index 61e1ad3dcb..40076c8184 100644
--- a/pantheon/src/test/java/tech/pegasys/pantheon/cli/ExportPublicKeySubCommandTest.java
+++ b/pantheon/src/test/java/tech/pegasys/pantheon/cli/ExportPublicKeySubCommandTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.cli;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/pantheon/src/test/java/tech/pegasys/pantheon/cli/ImportSubCommandTest.java b/pantheon/src/test/java/tech/pegasys/pantheon/cli/ImportSubCommandTest.java
index 34e6db2829..2b0389e6a3 100644
--- a/pantheon/src/test/java/tech/pegasys/pantheon/cli/ImportSubCommandTest.java
+++ b/pantheon/src/test/java/tech/pegasys/pantheon/cli/ImportSubCommandTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.cli;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/pantheon/src/test/java/tech/pegasys/pantheon/cli/PantheonCommandTest.java b/pantheon/src/test/java/tech/pegasys/pantheon/cli/PantheonCommandTest.java
index 3f8ce3f28f..c75f5b6867 100644
--- a/pantheon/src/test/java/tech/pegasys/pantheon/cli/PantheonCommandTest.java
+++ b/pantheon/src/test/java/tech/pegasys/pantheon/cli/PantheonCommandTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.cli;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
diff --git a/pantheon/src/test/java/tech/pegasys/pantheon/cli/TomlConfigFileDefaultProviderTest.java b/pantheon/src/test/java/tech/pegasys/pantheon/cli/TomlConfigFileDefaultProviderTest.java
index e0dd3ec540..35ba274fc6 100644
--- a/pantheon/src/test/java/tech/pegasys/pantheon/cli/TomlConfigFileDefaultProviderTest.java
+++ b/pantheon/src/test/java/tech/pegasys/pantheon/cli/TomlConfigFileDefaultProviderTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.cli;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
diff --git a/pantheon/src/test/java/tech/pegasys/pantheon/util/BlockImporterTest.java b/pantheon/src/test/java/tech/pegasys/pantheon/util/BlockImporterTest.java
index 05665ccc39..d79f7231e3 100644
--- a/pantheon/src/test/java/tech/pegasys/pantheon/util/BlockImporterTest.java
+++ b/pantheon/src/test/java/tech/pegasys/pantheon/util/BlockImporterTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
diff --git a/pantheon/src/test/java/tech/pegasys/pantheon/util/BlockchainImporterTest.java b/pantheon/src/test/java/tech/pegasys/pantheon/util/BlockchainImporterTest.java
index f95a2e8720..1f3832339a 100644
--- a/pantheon/src/test/java/tech/pegasys/pantheon/util/BlockchainImporterTest.java
+++ b/pantheon/src/test/java/tech/pegasys/pantheon/util/BlockchainImporterTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/quickstart/src/test/java/tech/pegasys/pantheon/tests/quickstart/DockerQuickstartTest.java b/quickstart/src/test/java/tech/pegasys/pantheon/tests/quickstart/DockerQuickstartTest.java
index 003d030656..ca4bee32b4 100644
--- a/quickstart/src/test/java/tech/pegasys/pantheon/tests/quickstart/DockerQuickstartTest.java
+++ b/quickstart/src/test/java/tech/pegasys/pantheon/tests/quickstart/DockerQuickstartTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.tests.quickstart;
 
 import static java.nio.charset.StandardCharsets.UTF_8;
diff --git a/services/kvstore/src/main/java/tech/pegasys/pantheon/services/kvstore/InMemoryKeyValueStorage.java b/services/kvstore/src/main/java/tech/pegasys/pantheon/services/kvstore/InMemoryKeyValueStorage.java
index 7ce5bbde37..717022e72d 100644
--- a/services/kvstore/src/main/java/tech/pegasys/pantheon/services/kvstore/InMemoryKeyValueStorage.java
+++ b/services/kvstore/src/main/java/tech/pegasys/pantheon/services/kvstore/InMemoryKeyValueStorage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.services.kvstore;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/services/kvstore/src/main/java/tech/pegasys/pantheon/services/kvstore/KeyValueStorage.java b/services/kvstore/src/main/java/tech/pegasys/pantheon/services/kvstore/KeyValueStorage.java
index 3bd5fda7b9..99440c7bd7 100644
--- a/services/kvstore/src/main/java/tech/pegasys/pantheon/services/kvstore/KeyValueStorage.java
+++ b/services/kvstore/src/main/java/tech/pegasys/pantheon/services/kvstore/KeyValueStorage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.services.kvstore;
 
 import static com.google.common.base.Preconditions.checkState;
diff --git a/services/kvstore/src/main/java/tech/pegasys/pantheon/services/kvstore/RocksDbKeyValueStorage.java b/services/kvstore/src/main/java/tech/pegasys/pantheon/services/kvstore/RocksDbKeyValueStorage.java
index 7bbe0aafe0..59361600e5 100644
--- a/services/kvstore/src/main/java/tech/pegasys/pantheon/services/kvstore/RocksDbKeyValueStorage.java
+++ b/services/kvstore/src/main/java/tech/pegasys/pantheon/services/kvstore/RocksDbKeyValueStorage.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.services.kvstore;
 
 import tech.pegasys.pantheon.util.bytes.BytesValue;
diff --git a/services/kvstore/src/test/java/tech/pegasys/pantheon/services/kvstore/AbstractKeyValueStorageTest.java b/services/kvstore/src/test/java/tech/pegasys/pantheon/services/kvstore/AbstractKeyValueStorageTest.java
index 54cadb6dc2..0ef186f6bd 100644
--- a/services/kvstore/src/test/java/tech/pegasys/pantheon/services/kvstore/AbstractKeyValueStorageTest.java
+++ b/services/kvstore/src/test/java/tech/pegasys/pantheon/services/kvstore/AbstractKeyValueStorageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.services.kvstore;
 
 import static org.junit.Assert.assertArrayEquals;
diff --git a/services/kvstore/src/test/java/tech/pegasys/pantheon/services/kvstore/InMemoryKeyValueStorageTest.java b/services/kvstore/src/test/java/tech/pegasys/pantheon/services/kvstore/InMemoryKeyValueStorageTest.java
index 57048a2623..50cc1c943d 100644
--- a/services/kvstore/src/test/java/tech/pegasys/pantheon/services/kvstore/InMemoryKeyValueStorageTest.java
+++ b/services/kvstore/src/test/java/tech/pegasys/pantheon/services/kvstore/InMemoryKeyValueStorageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.services.kvstore;
 
 public class InMemoryKeyValueStorageTest extends AbstractKeyValueStorageTest {
diff --git a/services/kvstore/src/test/java/tech/pegasys/pantheon/services/kvstore/RocksDbKeyValueStorageTest.java b/services/kvstore/src/test/java/tech/pegasys/pantheon/services/kvstore/RocksDbKeyValueStorageTest.java
index 25bb125d57..2843980522 100644
--- a/services/kvstore/src/test/java/tech/pegasys/pantheon/services/kvstore/RocksDbKeyValueStorageTest.java
+++ b/services/kvstore/src/test/java/tech/pegasys/pantheon/services/kvstore/RocksDbKeyValueStorageTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.services.kvstore;
 
 import org.junit.Rule;
diff --git a/testutil/src/main/java/tech/pegasys/pantheon/testutil/BlockTestUtil.java b/testutil/src/main/java/tech/pegasys/pantheon/testutil/BlockTestUtil.java
index 41d71d888d..f4c2d6be09 100644
--- a/testutil/src/main/java/tech/pegasys/pantheon/testutil/BlockTestUtil.java
+++ b/testutil/src/main/java/tech/pegasys/pantheon/testutil/BlockTestUtil.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.testutil;
 
 import java.io.IOException;
diff --git a/testutil/src/main/java/tech/pegasys/pantheon/testutil/JsonTestParameters.java b/testutil/src/main/java/tech/pegasys/pantheon/testutil/JsonTestParameters.java
index 93b7e8fef1..51619c8772 100644
--- a/testutil/src/main/java/tech/pegasys/pantheon/testutil/JsonTestParameters.java
+++ b/testutil/src/main/java/tech/pegasys/pantheon/testutil/JsonTestParameters.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.testutil;
 
 import static com.google.common.base.Preconditions.checkState;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/ExceptionUtils.java b/util/src/main/java/tech/pegasys/pantheon/util/ExceptionUtils.java
index 853fa5c4ef..87fcf59325 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/ExceptionUtils.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/ExceptionUtils.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util;
 
 public class ExceptionUtils {
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/NetworkUtility.java b/util/src/main/java/tech/pegasys/pantheon/util/NetworkUtility.java
index 7c3e60433a..1e61bcec42 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/NetworkUtility.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/NetworkUtility.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util;
 
 import java.net.InetAddress;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/Preconditions.java b/util/src/main/java/tech/pegasys/pantheon/util/Preconditions.java
index 2c07d5c218..94cb007474 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/Preconditions.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/Preconditions.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util;
 
 import java.util.function.Function;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/Subscribers.java b/util/src/main/java/tech/pegasys/pantheon/util/Subscribers.java
index af1ef0099e..e06a815f70 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/Subscribers.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/Subscribers.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util;
 
 import java.util.Map;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/AbstractBytes32Backed.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/AbstractBytes32Backed.java
index 6f2fa702da..6b5e7691c9 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/AbstractBytes32Backed.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/AbstractBytes32Backed.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 /** Base abstract implementation for {@link Bytes32Backed} implementations. */
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/AbstractBytesValue.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/AbstractBytesValue.java
index abe460f162..3c0174a9de 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/AbstractBytesValue.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/AbstractBytesValue.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/ArrayWrappingBytes32.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/ArrayWrappingBytes32.java
index 2fd8b28e68..9138b47420 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/ArrayWrappingBytes32.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/ArrayWrappingBytes32.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/ArrayWrappingBytesValue.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/ArrayWrappingBytesValue.java
index 7077153bbd..47fc520217 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/ArrayWrappingBytesValue.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/ArrayWrappingBytesValue.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/BaseDelegatingBytesValue.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/BaseDelegatingBytesValue.java
index 5112c0a1d4..03d7a33f28 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/BaseDelegatingBytesValue.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/BaseDelegatingBytesValue.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import java.security.MessageDigest;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/Bytes32.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/Bytes32.java
index 9b217659b9..67ccee1c2e 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/Bytes32.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/Bytes32.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/Bytes32Backed.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/Bytes32Backed.java
index ee71a3acb8..bed627327d 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/Bytes32Backed.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/Bytes32Backed.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 /** Base interface for a value whose content is stored with exactly 32 bytes. */
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/Bytes32s.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/Bytes32s.java
index 14ffcc376b..84b3ccf413 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/Bytes32s.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/Bytes32s.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 /** Static utility methods to work with {@link Bytes32}. */
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/BytesBacked.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/BytesBacked.java
index ed70091483..bbab863cca 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/BytesBacked.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/BytesBacked.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 /** Base interface for a value whose content is stored as bytes. */
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/BytesValue.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/BytesValue.java
index 5ae220c08b..84ef2e90e9 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/BytesValue.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/BytesValue.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/BytesValues.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/BytesValues.java
index 372119d292..5e3b53d244 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/BytesValues.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/BytesValues.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/DelegatingBytes32.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/DelegatingBytes32.java
index 36f2a4991b..f43a64a044 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/DelegatingBytes32.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/DelegatingBytes32.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 public class DelegatingBytes32 extends BaseDelegatingBytesValue<Bytes32> implements Bytes32 {
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/DelegatingBytesValue.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/DelegatingBytesValue.java
index 9af3c3b9b9..be9a350387 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/DelegatingBytesValue.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/DelegatingBytesValue.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 public class DelegatingBytesValue extends BaseDelegatingBytesValue<BytesValue>
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableArrayWrappingBytes32.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableArrayWrappingBytes32.java
index 5d02163926..96d2342f48 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableArrayWrappingBytes32.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableArrayWrappingBytes32.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 /** An implementation of {@link MutableBytes32} backed by a byte array ({@code byte[]}). */
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableArrayWrappingBytesValue.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableArrayWrappingBytesValue.java
index 147924582d..50b38f5ffe 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableArrayWrappingBytesValue.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableArrayWrappingBytesValue.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableBufferWrappingBytesValue.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableBufferWrappingBytesValue.java
index e727fb3fbf..9e31b34f5f 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableBufferWrappingBytesValue.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableBufferWrappingBytesValue.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableByteBufWrappingBytesValue.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableByteBufWrappingBytesValue.java
index d99c9a3339..914f31deed 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableByteBufWrappingBytesValue.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableByteBufWrappingBytesValue.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableBytes32.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableBytes32.java
index 4df99230cf..3fd8ef937a 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableBytes32.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableBytes32.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableBytesValue.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableBytesValue.java
index 7eee878bd8..74888ba869 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableBytesValue.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/MutableBytesValue.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/bytes/WrappingBytes32.java b/util/src/main/java/tech/pegasys/pantheon/util/bytes/WrappingBytes32.java
index 0b438cc2a8..a44ad9a0d4 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/bytes/WrappingBytes32.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/bytes/WrappingBytes32.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/time/Clock.java b/util/src/main/java/tech/pegasys/pantheon/util/time/Clock.java
index 58ea0780b9..3b15d64b89 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/time/Clock.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/time/Clock.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.time;
 
 public interface Clock {
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/time/SystemClock.java b/util/src/main/java/tech/pegasys/pantheon/util/time/SystemClock.java
index a770fafb14..ad90fa5c16 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/time/SystemClock.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/time/SystemClock.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.time;
 
 public class SystemClock implements Clock {
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/uint/AbstractUInt256Value.java b/util/src/main/java/tech/pegasys/pantheon/util/uint/AbstractUInt256Value.java
index d31f109b86..58721a1809 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/uint/AbstractUInt256Value.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/uint/AbstractUInt256Value.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.uint;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/uint/BaseUInt256Value.java b/util/src/main/java/tech/pegasys/pantheon/util/uint/BaseUInt256Value.java
index d3debda4e1..03579dd712 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/uint/BaseUInt256Value.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/uint/BaseUInt256Value.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.uint;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/uint/Counter.java b/util/src/main/java/tech/pegasys/pantheon/util/uint/Counter.java
index 5b03e03c32..4ed6d638bf 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/uint/Counter.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/uint/Counter.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.uint;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/uint/DefaultInt256.java b/util/src/main/java/tech/pegasys/pantheon/util/uint/DefaultInt256.java
index 3c4b999811..41d567f14a 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/uint/DefaultInt256.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/uint/DefaultInt256.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.uint;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/uint/DefaultUInt256.java b/util/src/main/java/tech/pegasys/pantheon/util/uint/DefaultUInt256.java
index 1410977c50..29d70e4c7c 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/uint/DefaultUInt256.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/uint/DefaultUInt256.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.uint;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/uint/Int256.java b/util/src/main/java/tech/pegasys/pantheon/util/uint/Int256.java
index 4a7c8ea5be..7e222bb6bf 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/uint/Int256.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/uint/Int256.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.uint;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/uint/Int256Bytes.java b/util/src/main/java/tech/pegasys/pantheon/util/uint/Int256Bytes.java
index 328438308c..4843687694 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/uint/Int256Bytes.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/uint/Int256Bytes.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.uint;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/uint/UInt256.java b/util/src/main/java/tech/pegasys/pantheon/util/uint/UInt256.java
index 91e2fef6ff..f0e53abbe3 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/uint/UInt256.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/uint/UInt256.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.uint;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/uint/UInt256Bytes.java b/util/src/main/java/tech/pegasys/pantheon/util/uint/UInt256Bytes.java
index f8027295ee..c2a0f941a8 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/uint/UInt256Bytes.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/uint/UInt256Bytes.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.uint;
 
 import static com.google.common.base.Preconditions.checkArgument;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/uint/UInt256Value.java b/util/src/main/java/tech/pegasys/pantheon/util/uint/UInt256Value.java
index b1ef9f5e0c..f6d28ea36f 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/uint/UInt256Value.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/uint/UInt256Value.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.uint;
 
 import static com.google.common.base.Preconditions.checkState;
diff --git a/util/src/main/java/tech/pegasys/pantheon/util/uint/UInt256s.java b/util/src/main/java/tech/pegasys/pantheon/util/uint/UInt256s.java
index dac7554288..c8f67973b3 100644
--- a/util/src/main/java/tech/pegasys/pantheon/util/uint/UInt256s.java
+++ b/util/src/main/java/tech/pegasys/pantheon/util/uint/UInt256s.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.uint;
 
 /** Static utility methods on UInt256 values. */
diff --git a/util/src/test/java/tech/pegasys/pantheon/util/ExceptionUtilsTest.java b/util/src/test/java/tech/pegasys/pantheon/util/ExceptionUtilsTest.java
index 0ecc5d9e8f..9dbd7a6356 100644
--- a/util/src/test/java/tech/pegasys/pantheon/util/ExceptionUtilsTest.java
+++ b/util/src/test/java/tech/pegasys/pantheon/util/ExceptionUtilsTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/util/src/test/java/tech/pegasys/pantheon/util/NetworkUtilityTest.java b/util/src/test/java/tech/pegasys/pantheon/util/NetworkUtilityTest.java
index 392295097c..12e3778505 100644
--- a/util/src/test/java/tech/pegasys/pantheon/util/NetworkUtilityTest.java
+++ b/util/src/test/java/tech/pegasys/pantheon/util/NetworkUtilityTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util;
 
 import static org.junit.Assert.assertFalse;
diff --git a/util/src/test/java/tech/pegasys/pantheon/util/SubscribersTest.java b/util/src/test/java/tech/pegasys/pantheon/util/SubscribersTest.java
index feca61d3e3..fa70ee0dd3 100644
--- a/util/src/test/java/tech/pegasys/pantheon/util/SubscribersTest.java
+++ b/util/src/test/java/tech/pegasys/pantheon/util/SubscribersTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/util/src/test/java/tech/pegasys/pantheon/util/bytes/Bytes32Test.java b/util/src/test/java/tech/pegasys/pantheon/util/bytes/Bytes32Test.java
index 256a05bd5c..eda6250b63 100644
--- a/util/src/test/java/tech/pegasys/pantheon/util/bytes/Bytes32Test.java
+++ b/util/src/test/java/tech/pegasys/pantheon/util/bytes/Bytes32Test.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/util/src/test/java/tech/pegasys/pantheon/util/bytes/Bytes32sSingleLeftShiftTest.java b/util/src/test/java/tech/pegasys/pantheon/util/bytes/Bytes32sSingleLeftShiftTest.java
index cf1f6c9f2c..9dc96411a9 100644
--- a/util/src/test/java/tech/pegasys/pantheon/util/bytes/Bytes32sSingleLeftShiftTest.java
+++ b/util/src/test/java/tech/pegasys/pantheon/util/bytes/Bytes32sSingleLeftShiftTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import static org.junit.Assert.assertEquals;
diff --git a/util/src/test/java/tech/pegasys/pantheon/util/bytes/BytesValueTest.java b/util/src/test/java/tech/pegasys/pantheon/util/bytes/BytesValueTest.java
index 5b846d02d2..b82db417fb 100644
--- a/util/src/test/java/tech/pegasys/pantheon/util/bytes/BytesValueTest.java
+++ b/util/src/test/java/tech/pegasys/pantheon/util/bytes/BytesValueTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import static org.assertj.core.api.Assertions.assertThat;
diff --git a/util/src/test/java/tech/pegasys/pantheon/util/bytes/BytesValuesTest.java b/util/src/test/java/tech/pegasys/pantheon/util/bytes/BytesValuesTest.java
index 73871fa4bf..caefe9a129 100644
--- a/util/src/test/java/tech/pegasys/pantheon/util/bytes/BytesValuesTest.java
+++ b/util/src/test/java/tech/pegasys/pantheon/util/bytes/BytesValuesTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.bytes;
 
 import static org.junit.Assert.assertEquals;
diff --git a/util/src/test/java/tech/pegasys/pantheon/util/uint/UInt256BytesTest.java b/util/src/test/java/tech/pegasys/pantheon/util/uint/UInt256BytesTest.java
index bf463478aa..7f6e5f7d66 100644
--- a/util/src/test/java/tech/pegasys/pantheon/util/uint/UInt256BytesTest.java
+++ b/util/src/test/java/tech/pegasys/pantheon/util/uint/UInt256BytesTest.java
@@ -1,3 +1,15 @@
+/*
+ * Copyright 2018 ConsenSys AG.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
+ * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
+ * specific language governing permissions and limitations under the License.
+ */
 package tech.pegasys.pantheon.util.uint;
 
 import tech.pegasys.pantheon.util.bytes.Bytes32;