Add timer metrics for EVM operations (#551)

* Add timer metrics for EVM operations.

* Rename ProtocolScheduleBuilder to ProtocolScheduleFactory.

* Sort category names alphabetically.

consensus/clique/build.gradle

@@ -39,6 +39,7 @@ dependencies {
   implementation project(':ethereum:p2p')
   implementation project(':services:kvstore')
   implementation project(':consensus:common')
+  implementation project(':metrics')
   implementation project(':util')
 
   implementation 'io.vertx:vertx-core'

consensus/clique/src/main/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolSchedule.java

@@ -24,8 +24,9 @@ import tech.pegasys.pantheon.ethereum.core.Wei;
 import tech.pegasys.pantheon.ethereum.mainnet.MainnetBlockBodyValidator;
 import tech.pegasys.pantheon.ethereum.mainnet.MainnetBlockImporter;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
-import tech.pegasys.pantheon.ethereum.mainnet.ProtocolScheduleBuilder;
+import tech.pegasys.pantheon.ethereum.mainnet.ProtocolScheduleFactory;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSpecBuilder;
+import tech.pegasys.pantheon.metrics.MetricsSystem;
 
 /** Defines the protocol behaviours for a blockchain using Clique. */
 public class CliqueProtocolSchedule {
@@ -33,14 +34,17 @@ public class CliqueProtocolSchedule {
   private static final int DEFAULT_CHAIN_ID = 4;
 
   public static ProtocolSchedule<CliqueContext> create(
-      final GenesisConfigOptions config, final KeyPair nodeKeys) {
+      final GenesisConfigOptions config,
+      final KeyPair nodeKeys,
+      final MetricsSystem metricsSystem) {
 
     final CliqueConfigOptions cliqueConfig = config.getCliqueConfigOptions();
 
     final Address localNodeAddress = Util.publicKeyToAddress(nodeKeys.getPublicKey());
 
     final EpochManager epochManager = new EpochManager(cliqueConfig.getEpochLength());
-    return new ProtocolScheduleBuilder<>(
+    return new ProtocolScheduleFactory<>(
+            metricsSystem,
             config,
             DEFAULT_CHAIN_ID,
             builder ->

consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/CliqueProtocolScheduleTest.java

@@ -20,6 +20,7 @@ import tech.pegasys.pantheon.crypto.SECP256K1.KeyPair;
 import tech.pegasys.pantheon.ethereum.core.Wei;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSpec;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 
 import org.junit.Test;
 
@@ -41,7 +42,7 @@ public class CliqueProtocolScheduleTest {
 
     final GenesisConfigOptions config = GenesisConfigFile.fromConfig(jsonInput).getConfigOptions();
     final ProtocolSchedule<CliqueContext> protocolSchedule =
-        CliqueProtocolSchedule.create(config, NODE_KEYS);
+        CliqueProtocolSchedule.create(config, NODE_KEYS, new NoOpMetricsSystem());
 
     final ProtocolSpec<CliqueContext> homesteadSpec = protocolSchedule.getByBlockNumber(1);
     final ProtocolSpec<CliqueContext> tangerineWhistleSpec = protocolSchedule.getByBlockNumber(2);
@@ -56,7 +57,8 @@ public class CliqueProtocolScheduleTest {
   @Test
   public void parametersAlignWithMainnetWithAdjustments() {
     final ProtocolSpec<CliqueContext> homestead =
-        CliqueProtocolSchedule.create(GenesisConfigFile.DEFAULT.getConfigOptions(), NODE_KEYS)
+        CliqueProtocolSchedule.create(
+                GenesisConfigFile.DEFAULT.getConfigOptions(), NODE_KEYS, new NoOpMetricsSystem())
             .getByBlockNumber(0);
 
     assertThat(homestead.getName()).isEqualTo("Frontier");

consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueBlockCreatorTest.java

@@ -43,6 +43,7 @@ import tech.pegasys.pantheon.ethereum.core.Util;
 import tech.pegasys.pantheon.ethereum.core.Wei;
 import tech.pegasys.pantheon.ethereum.db.WorldStateArchive;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 import tech.pegasys.pantheon.util.bytes.BytesValue;
 
 import java.util.List;
@@ -69,7 +70,7 @@ public class CliqueBlockCreatorTest {
   public void setup() {
     protocolSchedule =
         CliqueProtocolSchedule.create(
-            GenesisConfigFile.DEFAULT.getConfigOptions(), proposerKeyPair);
+            GenesisConfigFile.DEFAULT.getConfigOptions(), proposerKeyPair, new NoOpMetricsSystem());
 
     final Address otherAddress = Util.publicKeyToAddress(otherKeyPair.getPublicKey());
     validatorList.add(otherAddress);

consensus/clique/src/test/java/tech/pegasys/pantheon/consensus/clique/blockcreation/CliqueMinerExecutorTest.java

@@ -36,6 +36,7 @@ import tech.pegasys.pantheon.ethereum.core.MiningParameters;
 import tech.pegasys.pantheon.ethereum.core.PendingTransactions;
 import tech.pegasys.pantheon.ethereum.core.Util;
 import tech.pegasys.pantheon.ethereum.core.Wei;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 import tech.pegasys.pantheon.util.bytes.BytesValue;
 
 import java.util.List;
@@ -85,7 +86,8 @@ public class CliqueMinerExecutorTest {
         new CliqueMinerExecutor(
             cliqueProtocolContext,
             Executors.newSingleThreadExecutor(),
-            CliqueProtocolSchedule.create(GENESIS_CONFIG_OPTIONS, proposerKeyPair),
+            CliqueProtocolSchedule.create(
+                GENESIS_CONFIG_OPTIONS, proposerKeyPair, new NoOpMetricsSystem()),
             new PendingTransactions(1),
             proposerKeyPair,
             new MiningParameters(AddressHelpers.ofValue(1), Wei.ZERO, wrappedVanityData, false),
@@ -115,7 +117,8 @@ public class CliqueMinerExecutorTest {
         new CliqueMinerExecutor(
             cliqueProtocolContext,
             Executors.newSingleThreadExecutor(),
-            CliqueProtocolSchedule.create(GENESIS_CONFIG_OPTIONS, proposerKeyPair),
+            CliqueProtocolSchedule.create(
+                GENESIS_CONFIG_OPTIONS, proposerKeyPair, new NoOpMetricsSystem()),
             new PendingTransactions(1),
             proposerKeyPair,
             new MiningParameters(AddressHelpers.ofValue(1), Wei.ZERO, wrappedVanityData, false),

consensus/ibft/build.gradle

@@ -35,6 +35,7 @@ dependencies {
   implementation project(':ethereum:jsonrpc')
   implementation project(':ethereum:rlp')
   implementation project(':ethereum:p2p')
+  implementation project(':metrics')
   implementation project(':services:kvstore')
 
   implementation 'io.vertx:vertx-core'

consensus/ibft/src/integration-test/java/tech/pegasys/pantheon/consensus/ibft/support/TestContextFactory.java

@@ -60,6 +60,7 @@ import tech.pegasys.pantheon.ethereum.core.Wei;
 import tech.pegasys.pantheon.ethereum.db.WorldStateArchive;
 import tech.pegasys.pantheon.ethereum.mainnet.BlockHeaderValidator;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 import tech.pegasys.pantheon.util.Subscribers;
 import tech.pegasys.pantheon.util.bytes.BytesValue;
 import tech.pegasys.pantheon.util.uint.UInt256;
@@ -202,7 +203,7 @@ public class TestContextFactory {
     genesisConfigOptions.byzantiumBlock(0);
 
     final ProtocolSchedule<IbftContext> protocolSchedule =
-        IbftProtocolSchedule.create(genesisConfigOptions);
+        IbftProtocolSchedule.create(genesisConfigOptions, new NoOpMetricsSystem());
 
     /////////////////////////////////////////////////////////////////////////////////////
     // From here down is BASICALLY taken from IbftPantheonController

consensus/ibft/src/main/java/tech/pegasys/pantheon/consensus/ibft/IbftProtocolSchedule.java

@@ -22,8 +22,9 @@ import tech.pegasys.pantheon.ethereum.core.Wei;
 import tech.pegasys.pantheon.ethereum.mainnet.MainnetBlockBodyValidator;
 import tech.pegasys.pantheon.ethereum.mainnet.MainnetBlockImporter;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
-import tech.pegasys.pantheon.ethereum.mainnet.ProtocolScheduleBuilder;
+import tech.pegasys.pantheon.ethereum.mainnet.ProtocolScheduleFactory;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSpecBuilder;
+import tech.pegasys.pantheon.metrics.MetricsSystem;
 
 import java.math.BigInteger;
 
@@ -32,13 +33,15 @@ public class IbftProtocolSchedule {
 
   private static final int DEFAULT_CHAIN_ID = 1;
 
-  public static ProtocolSchedule<IbftContext> create(final GenesisConfigOptions config) {
+  public static ProtocolSchedule<IbftContext> create(
+      final GenesisConfigOptions config, final MetricsSystem metricsSystem) {
     final IbftConfigOptions ibftConfig = config.getIbftConfigOptions();
     final long epochLength = ibftConfig.getEpochLength();
     final long blockPeriod = ibftConfig.getBlockPeriodSeconds();
     final EpochManager epochManager = new EpochManager(epochLength);
 
-    return new ProtocolScheduleBuilder<>(
+    return new ProtocolScheduleFactory<>(
+            metricsSystem,
             config,
             DEFAULT_CHAIN_ID,
             builder -> applyIbftChanges(blockPeriod, epochManager, builder))

consensus/ibft/src/test/java/tech/pegasys/pantheon/consensus/ibft/blockcreation/IbftBlockCreatorTest.java

@@ -38,6 +38,7 @@ import tech.pegasys.pantheon.ethereum.core.Wei;
 import tech.pegasys.pantheon.ethereum.mainnet.BlockHeaderValidator;
 import tech.pegasys.pantheon.ethereum.mainnet.HeaderValidationMode;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 import tech.pegasys.pantheon.util.bytes.BytesValue;
 
 import java.time.Instant;
@@ -73,7 +74,8 @@ public class IbftBlockCreatorTest {
     final ProtocolSchedule<IbftContext> protocolSchedule =
         IbftProtocolSchedule.create(
             GenesisConfigFile.fromConfig("{\"config\": {\"spuriousDragonBlock\":0}}")
-                .getConfigOptions());
+                .getConfigOptions(),
+            new NoOpMetricsSystem());
     final ProtocolContext<IbftContext> protContext =
         new ProtocolContext<>(
             blockchain,

consensus/ibftlegacy/build.gradle

@@ -23,6 +23,7 @@ dependencies {
   implementation project(':ethereum:jsonrpc')
   implementation project(':ethereum:rlp')
   implementation project(':ethereum:p2p')
+  implementation project(':metrics')
   implementation project(':services:kvstore')
 
   implementation 'com.google.guava:guava'

consensus/ibftlegacy/src/main/java/tech/pegasys/pantheon/consensus/ibftlegacy/IbftProtocolSchedule.java

@@ -24,8 +24,9 @@ import tech.pegasys.pantheon.ethereum.core.Wei;
 import tech.pegasys.pantheon.ethereum.mainnet.MainnetBlockBodyValidator;
 import tech.pegasys.pantheon.ethereum.mainnet.MainnetBlockImporter;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
-import tech.pegasys.pantheon.ethereum.mainnet.ProtocolScheduleBuilder;
+import tech.pegasys.pantheon.ethereum.mainnet.ProtocolScheduleFactory;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSpecBuilder;
+import tech.pegasys.pantheon.metrics.MetricsSystem;
 
 import java.math.BigInteger;
 
@@ -34,13 +35,15 @@ public class IbftProtocolSchedule {
 
   private static final int DEFAULT_CHAIN_ID = 1;
 
-  public static ProtocolSchedule<IbftContext> create(final GenesisConfigOptions config) {
+  public static ProtocolSchedule<IbftContext> create(
+      final GenesisConfigOptions config, final MetricsSystem metricsSystem) {
     final IbftConfigOptions ibftConfig = config.getIbftConfigOptions();
     final long epochLength = ibftConfig.getEpochLength();
     final long blockPeriod = ibftConfig.getBlockPeriodSeconds();
     final EpochManager epochManager = new EpochManager(epochLength);
 
-    return new ProtocolScheduleBuilder<>(
+    return new ProtocolScheduleFactory<>(
+            metricsSystem,
             config,
             DEFAULT_CHAIN_ID,
             builder -> applyIbftChanges(blockPeriod, epochManager, builder))

consensus/ibftlegacy/src/test/java/tech/pegasys/pantheon/consensus/ibftlegacy/blockcreation/IbftBlockCreatorTest.java

@@ -38,6 +38,7 @@ import tech.pegasys.pantheon.ethereum.core.Wei;
 import tech.pegasys.pantheon.ethereum.mainnet.BlockHeaderValidator;
 import tech.pegasys.pantheon.ethereum.mainnet.HeaderValidationMode;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 import tech.pegasys.pantheon.util.bytes.BytesValue;
 
 import java.time.Instant;
@@ -79,7 +80,8 @@ public class IbftBlockCreatorTest {
     final ProtocolSchedule<IbftContext> protocolSchedule =
         IbftProtocolSchedule.create(
             GenesisConfigFile.fromConfig("{\"config\": {\"spuriousDragonBlock\":0}}")
-                .getConfigOptions());
+                .getConfigOptions(),
+            new NoOpMetricsSystem());
     final ProtocolContext<IbftContext> protContext =
         new ProtocolContext<>(
             blockchain,

ethereum/blockcreation/build.gradle

@@ -26,6 +26,7 @@ dependencies {
   testImplementation project(path: ':config', configuration: 'testSupportArtifacts')
   testImplementation project(path: ':ethereum:core', configuration: 'testSupportArtifacts')
   testImplementation project(path: ':ethereum:core', configuration: 'testArtifacts')
+  testImplementation project(path: ':metrics')
 
   testImplementation 'junit:junit'
   testImplementation 'org.assertj:assertj-core'

ethereum/blockcreation/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/BlockTransactionSelectorTest.java

@@ -45,6 +45,7 @@ import tech.pegasys.pantheon.ethereum.mainnet.ValidationResult;
 import tech.pegasys.pantheon.ethereum.storage.keyvalue.KeyValueStorageWorldStateStorage;
 import tech.pegasys.pantheon.ethereum.vm.TestBlockchain;
 import tech.pegasys.pantheon.ethereum.worldstate.DefaultMutableWorldState;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 import tech.pegasys.pantheon.services.kvstore.InMemoryKeyValueStorage;
 import tech.pegasys.pantheon.util.bytes.BytesValue;
 import tech.pegasys.pantheon.util.uint.UInt256;
@@ -63,7 +64,8 @@ public class BlockTransactionSelectorTest {
   @Test
   public void emptyPendingTransactionsResultsInEmptyVettingResult() {
     final ProtocolSchedule<Void> protocolSchedule =
-        DevelopmentProtocolSchedule.create(GenesisConfigFile.DEFAULT.getConfigOptions());
+        DevelopmentProtocolSchedule.create(
+            GenesisConfigFile.DEFAULT.getConfigOptions(), new NoOpMetricsSystem());
     final Blockchain blockchain = new TestBlockchain();
     final TransactionProcessor transactionProcessor =
         protocolSchedule.getByBlockNumber(0).getTransactionProcessor();

ethereum/blockcreation/src/test/java/tech/pegasys/pantheon/ethereum/blockcreation/EthHashBlockCreatorTest.java

@@ -20,8 +20,9 @@ import tech.pegasys.pantheon.ethereum.core.PendingTransactions;
 import tech.pegasys.pantheon.ethereum.core.Wei;
 import tech.pegasys.pantheon.ethereum.mainnet.EthHashSolver;
 import tech.pegasys.pantheon.ethereum.mainnet.EthHasher.Light;
-import tech.pegasys.pantheon.ethereum.mainnet.ProtocolScheduleBuilder;
+import tech.pegasys.pantheon.ethereum.mainnet.ProtocolScheduleFactory;
 import tech.pegasys.pantheon.ethereum.mainnet.ValidationTestUtils;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 import tech.pegasys.pantheon.util.bytes.BytesValue;
 
 import java.io.IOException;
@@ -46,8 +47,11 @@ public class EthHashBlockCreatorTest {
   private final ExecutionContextTestFixture executionContextTestFixture =
       ExecutionContextTestFixture.builder()
           .protocolSchedule(
-              new ProtocolScheduleBuilder<>(
+              new ProtocolScheduleFactory<>(
-                      GenesisConfigFile.DEFAULT.getConfigOptions(), 42, Function.identity())
+                      new NoOpMetricsSystem(),
+                      GenesisConfigFile.DEFAULT.getConfigOptions(),
+                      42,
+                      Function.identity())
                   .createProtocolSchedule())
           .build();
 

ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/development/DevelopmentProtocolSchedule.java

@@ -16,13 +16,16 @@ import static tech.pegasys.pantheon.ethereum.mainnet.MainnetTransactionValidator
 
 import tech.pegasys.pantheon.config.GenesisConfigOptions;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
-import tech.pegasys.pantheon.ethereum.mainnet.ProtocolScheduleBuilder;
+import tech.pegasys.pantheon.ethereum.mainnet.ProtocolScheduleFactory;
+import tech.pegasys.pantheon.metrics.MetricsSystem;
 
 /** A ProtocolSchedule which behaves similarly to MainNet, but with a much reduced difficulty. */
 public class DevelopmentProtocolSchedule {
 
-  public static ProtocolSchedule<Void> create(final GenesisConfigOptions config) {
+  public static ProtocolSchedule<Void> create(
-    return new ProtocolScheduleBuilder<>(
+      final GenesisConfigOptions config, final MetricsSystem metricsSystem) {
+    return new ProtocolScheduleFactory<>(
+            metricsSystem,
             config,
             NO_CHAIN_ID,
             builder -> builder.difficultyCalculator(DevelopmentDifficultyCalculators.DEVELOPER))

ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetEvmRegistries.java

@@ -91,6 +91,7 @@ import tech.pegasys.pantheon.ethereum.vm.operations.SubOperation;
 import tech.pegasys.pantheon.ethereum.vm.operations.SwapOperation;
 import tech.pegasys.pantheon.ethereum.vm.operations.TimestampOperation;
 import tech.pegasys.pantheon.ethereum.vm.operations.XorOperation;
+import tech.pegasys.pantheon.metrics.MetricsSystem;
 
 import java.util.List;
 import java.util.function.Function;
@@ -116,7 +117,9 @@ public abstract class MainnetEvmRegistries {
   }
 
   private static EVM createAndPopulate(
-      final List<OperationFactory> factories, final GasCalculator gasCalculator) {
+      final List<OperationFactory> factories,
+      final GasCalculator gasCalculator,
+      final MetricsSystem metricsSystem) {
     final OperationRegistry registry = new OperationRegistry();
 
     for (final OperationFactory factory : factories) {
@@ -124,23 +127,26 @@ public abstract class MainnetEvmRegistries {
       registry.put(operation.getOpcode(), operation);
     }
 
-    return new EVM(registry, new InvalidOperation(gasCalculator));
+    return new EVM(registry, new InvalidOperation(gasCalculator), metricsSystem);
   }
 
-  public static EVM frontier(final GasCalculator gasCalculator) {
+  public static EVM frontier(final GasCalculator gasCalculator, final MetricsSystem metricsSystem) {
-    return createAndPopulate(FRONTIER_OPERATION_FACTORIES, gasCalculator);
+    return createAndPopulate(FRONTIER_OPERATION_FACTORIES, gasCalculator, metricsSystem);
   }
 
-  public static EVM homestead(final GasCalculator gasCalculator) {
+  public static EVM homestead(
-    return createAndPopulate(HOMESTEAD_OPERATION_FACTORIES, gasCalculator);
+      final GasCalculator gasCalculator, final MetricsSystem metricsSystem) {
+    return createAndPopulate(HOMESTEAD_OPERATION_FACTORIES, gasCalculator, metricsSystem);
   }
 
-  public static EVM byzantium(final GasCalculator gasCalculator) {
+  public static EVM byzantium(
-    return createAndPopulate(BYZANTIUM_OPERATION_FACTORIES, gasCalculator);
+      final GasCalculator gasCalculator, final MetricsSystem metricsSystem) {
+    return createAndPopulate(BYZANTIUM_OPERATION_FACTORIES, gasCalculator, metricsSystem);
   }
 
-  public static EVM constantinople(final GasCalculator gasCalculator) {
+  public static EVM constantinople(
-    return createAndPopulate(CONSTANTINOPLE_OPERATION_FACTORIES, gasCalculator);
+      final GasCalculator gasCalculator, final MetricsSystem metricsSystem) {
+    return createAndPopulate(CONSTANTINOPLE_OPERATION_FACTORIES, gasCalculator, metricsSystem);
   }
 
   private static List<OperationFactory> buildFrontierFactories() {

ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetProtocolSchedule.java

@@ -14,6 +14,7 @@ package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.config.GenesisConfigFile;
 import tech.pegasys.pantheon.config.GenesisConfigOptions;
+import tech.pegasys.pantheon.metrics.MetricsSystem;
 
 import java.util.function.Function;
 
@@ -22,8 +23,8 @@ public class MainnetProtocolSchedule {
 
   public static final int DEFAULT_CHAIN_ID = 1;
 
-  public static ProtocolSchedule<Void> create() {
+  public static ProtocolSchedule<Void> create(final MetricsSystem metricsSystem) {
-    return fromConfig(GenesisConfigFile.mainnet().getConfigOptions());
+    return fromConfig(GenesisConfigFile.mainnet().getConfigOptions(), metricsSystem);
   }
 
   /**
@@ -31,10 +32,13 @@ public class MainnetProtocolSchedule {
    *
    * @param config {@link GenesisConfigOptions} containing the config options for the milestone
    *     starting points
+   * @param metricsSystem the {@link MetricsSystem} to use to record metrics
    * @return A configured mainnet protocol schedule
    */
-  public static ProtocolSchedule<Void> fromConfig(final GenesisConfigOptions config) {
+  public static ProtocolSchedule<Void> fromConfig(
-    return new ProtocolScheduleBuilder<>(config, DEFAULT_CHAIN_ID, Function.identity())
+      final GenesisConfigOptions config, final MetricsSystem metricsSystem) {
+    return new ProtocolScheduleFactory<>(
+            metricsSystem, config, DEFAULT_CHAIN_ID, Function.identity())
         .createProtocolSchedule();
   }
 }

ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolScheduleFactory.java

@@ -13,20 +13,24 @@
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.config.GenesisConfigOptions;
+import tech.pegasys.pantheon.metrics.MetricsSystem;
 
 import java.util.OptionalLong;
 import java.util.function.Function;
 
-public class ProtocolScheduleBuilder<C> {
+public class ProtocolScheduleFactory<C> {
 
+  private final MetricsSystem metricsSystem;
   private final GenesisConfigOptions config;
   private final Function<ProtocolSpecBuilder<Void>, ProtocolSpecBuilder<C>> protocolSpecAdapter;
   private final int defaultChainId;
 
-  public ProtocolScheduleBuilder(
+  public ProtocolScheduleFactory(
+      final MetricsSystem metricsSystem,
       final GenesisConfigOptions config,
       final int defaultChainId,
       final Function<ProtocolSpecBuilder<Void>, ProtocolSpecBuilder<C>> protocolSpecAdapter) {
+    this.metricsSystem = metricsSystem;
     this.config = config;
     this.protocolSpecAdapter = protocolSpecAdapter;
     this.defaultChainId = defaultChainId;
@@ -91,6 +95,10 @@ public class ProtocolScheduleBuilder<C> {
     blockNumber.ifPresent(
         number ->
             protocolSchedule.putMilestone(
-                number, protocolSpecAdapter.apply(definition).build(protocolSchedule)));
+                number,
+                protocolSpecAdapter
+                    .apply(definition)
+                    .metricsSystem(metricsSystem)
+                    .build(protocolSchedule)));
   }
 }

ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/mainnet/ProtocolSpecBuilder.java

@@ -20,6 +20,7 @@ import tech.pegasys.pantheon.ethereum.core.Wei;
 import tech.pegasys.pantheon.ethereum.mainnet.MainnetBlockProcessor.TransactionReceiptFactory;
 import tech.pegasys.pantheon.ethereum.vm.EVM;
 import tech.pegasys.pantheon.ethereum.vm.GasCalculator;
+import tech.pegasys.pantheon.metrics.MetricsSystem;
 
 import java.util.function.BiFunction;
 import java.util.function.Function;
@@ -31,7 +32,7 @@ public class ProtocolSpecBuilder<T> {
   private BlockHashFunction blockHashFunction;
   private TransactionReceiptFactory transactionReceiptFactory;
   private DifficultyCalculator<T> difficultyCalculator;
-  private Function<GasCalculator, EVM> evmBuilder;
+  private BiFunction<GasCalculator, MetricsSystem, EVM> evmBuilder;
   private Function<GasCalculator, TransactionValidator> transactionValidatorBuilder;
   private Function<DifficultyCalculator<T>, BlockHeaderValidator<T>> blockHeaderValidatorBuilder;
   private Function<DifficultyCalculator<T>, BlockHeaderValidator<T>> ommerHeaderValidatorBuilder;
@@ -46,6 +47,7 @@ public class ProtocolSpecBuilder<T> {
   private TransactionReceiptType transactionReceiptType;
   private String name;
   private MiningBeneficiaryCalculator miningBeneficiaryCalculator;
+  private MetricsSystem metricsSystem;
 
   public ProtocolSpecBuilder<T> gasCalculator(final Supplier<GasCalculator> gasCalculatorBuilder) {
     this.gasCalculatorBuilder = gasCalculatorBuilder;
@@ -74,7 +76,8 @@ public class ProtocolSpecBuilder<T> {
     return this;
   }
 
-  public ProtocolSpecBuilder<T> evmBuilder(final Function<GasCalculator, EVM> evmBuilder) {
+  public ProtocolSpecBuilder<T> evmBuilder(
+      final BiFunction<GasCalculator, MetricsSystem, EVM> evmBuilder) {
     this.evmBuilder = evmBuilder;
     return this;
   }
@@ -160,6 +163,11 @@ public class ProtocolSpecBuilder<T> {
     return this;
   }
 
+  public ProtocolSpecBuilder<T> metricsSystem(final MetricsSystem metricsSystem) {
+    this.metricsSystem = metricsSystem;
+    return this;
+  }
+
   public <R> ProtocolSpecBuilder<R> changeConsensusContextType(
       final Function<DifficultyCalculator<R>, BlockHeaderValidator<R>> blockHeaderValidatorBuilder,
       final Function<DifficultyCalculator<R>, BlockHeaderValidator<R>> ommerHeaderValidatorBuilder,
@@ -208,9 +216,10 @@ public class ProtocolSpecBuilder<T> {
     checkNotNull(name, "Missing name");
     checkNotNull(miningBeneficiaryCalculator, "Missing Mining Beneficiary Calculator");
     checkNotNull(protocolSchedule, "Missing protocol schedule");
+    checkNotNull(metricsSystem, "Missing metrics system");
 
     final GasCalculator gasCalculator = gasCalculatorBuilder.get();
-    final EVM evm = evmBuilder.apply(gasCalculator);
+    final EVM evm = evmBuilder.apply(gasCalculator, metricsSystem);
     final TransactionValidator transactionValidator =
         transactionValidatorBuilder.apply(gasCalculator);
     final AbstractMessageProcessor contractCreationProcessor =

ethereum/core/src/main/java/tech/pegasys/pantheon/ethereum/vm/EVM.java

@@ -19,6 +19,11 @@ import tech.pegasys.pantheon.ethereum.core.Gas;
 import tech.pegasys.pantheon.ethereum.vm.MessageFrame.State;
 import tech.pegasys.pantheon.ethereum.vm.ehalt.ExceptionalHaltException;
 import tech.pegasys.pantheon.ethereum.vm.ehalt.ExceptionalHaltManager;
+import tech.pegasys.pantheon.metrics.LabelledMetric;
+import tech.pegasys.pantheon.metrics.MetricCategory;
+import tech.pegasys.pantheon.metrics.MetricsSystem;
+import tech.pegasys.pantheon.metrics.OperationTimer;
+import tech.pegasys.pantheon.metrics.OperationTimer.TimingContext;
 import tech.pegasys.pantheon.util.bytes.BytesValue;
 
 import java.util.EnumSet;
@@ -33,10 +38,17 @@ public class EVM {
   private static final int STOP_OPCODE = 0x00;
   private final OperationRegistry operations;
   private final Operation invalidOperation;
+  private final LabelledMetric<OperationTimer> labelledTimer;
 
-  public EVM(final OperationRegistry operations, final Operation invalidOperation) {
+  public EVM(
+      final OperationRegistry operations,
+      final Operation invalidOperation,
+      final MetricsSystem metricsSystem) {
     this.operations = operations;
     this.invalidOperation = invalidOperation;
+    labelledTimer =
+        metricsSystem.createLabelledTimer(
+            MetricCategory.EVM, "operation_execution", "Timing for EVM operations", "operation");
   }
 
   public void runToHalt(final MessageFrame frame, final OperationTracer operationTracer)
@@ -70,7 +82,11 @@ public class EVM {
           checkForExceptionalHalt(frame);
           logState(frame, currentGasCost);
           decrementRemainingGas(frame, currentGasCost);
-          frame.getCurrentOperation().execute(frame);
+          final Operation currentOperation = frame.getCurrentOperation();
+          try (final TimingContext ignored =
+              labelledTimer.labels(currentOperation.getName()).startTimer()) {
+            currentOperation.execute(frame);
+          }
           incrementProgramCounter(frame);
         });
   }

ethereum/core/src/test-support/java/tech/pegasys/pantheon/ethereum/core/ExecutionContextTestFixture.java

@@ -21,7 +21,7 @@ import tech.pegasys.pantheon.ethereum.db.DefaultMutableBlockchain;
 import tech.pegasys.pantheon.ethereum.db.WorldStateArchive;
 import tech.pegasys.pantheon.ethereum.mainnet.MainnetBlockHashFunction;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
-import tech.pegasys.pantheon.ethereum.mainnet.ProtocolScheduleBuilder;
+import tech.pegasys.pantheon.ethereum.mainnet.ProtocolScheduleFactory;
 import tech.pegasys.pantheon.ethereum.storage.keyvalue.KeyValueStoragePrefixedKeyBlockchainStorage;
 import tech.pegasys.pantheon.ethereum.storage.keyvalue.KeyValueStorageWorldStateStorage;
 import tech.pegasys.pantheon.ethereum.worldstate.DefaultMutableWorldState;
@@ -112,8 +112,11 @@ public class ExecutionContextTestFixture {
     public ExecutionContextTestFixture build() {
       if (protocolSchedule == null) {
         protocolSchedule =
-            new ProtocolScheduleBuilder<>(
+            new ProtocolScheduleFactory<>(
-                    new StubGenesisConfigOptions().constantinopleBlock(0), 42, Function.identity())
+                    new NoOpMetricsSystem(),
+                    new StubGenesisConfigOptions().constantinopleBlock(0),
+                    42,
+                    Function.identity())
                 .createProtocolSchedule();
       }
       if (keyValueStorage == null) {

ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/chain/GenesisStateTest.java

@@ -22,6 +22,7 @@ import tech.pegasys.pantheon.ethereum.mainnet.MainnetProtocolSchedule;
 import tech.pegasys.pantheon.ethereum.rlp.BytesValueRLPOutput;
 import tech.pegasys.pantheon.ethereum.storage.keyvalue.KeyValueStorageWorldStateStorage;
 import tech.pegasys.pantheon.ethereum.worldstate.DefaultMutableWorldState;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 import tech.pegasys.pantheon.services.kvstore.InMemoryKeyValueStorage;
 import tech.pegasys.pantheon.util.bytes.BytesValue;
 
@@ -45,7 +46,7 @@ public final class GenesisStateTest {
     final GenesisState genesisState =
         GenesisState.fromJson(
             Resources.toString(GenesisStateTest.class.getResource("genesis1.json"), Charsets.UTF_8),
-            MainnetProtocolSchedule.create());
+            MainnetProtocolSchedule.create(new NoOpMetricsSystem()));
     final BlockHeader header = genesisState.getBlock().getHeader();
     assertThat(header.getStateRoot())
         .isEqualTo(
@@ -75,7 +76,7 @@ public final class GenesisStateTest {
     final GenesisState genesisState =
         GenesisState.fromJson(
             Resources.toString(GenesisStateTest.class.getResource("genesis2.json"), Charsets.UTF_8),
-            MainnetProtocolSchedule.create());
+            MainnetProtocolSchedule.create(new NoOpMetricsSystem()));
     final BlockHeader header = genesisState.getBlock().getHeader();
     assertThat(header.getStateRoot()).isEqualTo(Hash.EMPTY_TRIE_HASH);
     assertThat(header.getTransactionsRoot()).isEqualTo(Hash.EMPTY_TRIE_HASH);
@@ -91,7 +92,7 @@ public final class GenesisStateTest {
         GenesisState.fromJson(
             Resources.toString(
                 GenesisStateTest.class.getResource("genesis-olympic.json"), Charsets.UTF_8),
-            MainnetProtocolSchedule.create());
+            MainnetProtocolSchedule.create(new NoOpMetricsSystem()));
     final BytesValueRLPOutput tmp = new BytesValueRLPOutput();
     genesisState.getBlock().writeTo(tmp);
     assertThat(Hex.toHexString(genesisState.getBlock().getHeader().getHash().extractArray()))

ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/development/DevelopmentProtocolScheduleTest.java

@@ -18,6 +18,7 @@ import tech.pegasys.pantheon.config.GenesisConfigFile;
 import tech.pegasys.pantheon.ethereum.core.BlockHeader;
 import tech.pegasys.pantheon.ethereum.core.BlockHeaderTestFixture;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 
 import org.junit.Test;
 
@@ -27,7 +28,8 @@ public class DevelopmentProtocolScheduleTest {
   public void reportedDifficultyForAllBlocksIsAFixedValue() {
 
     final ProtocolSchedule<Void> schedule =
-        DevelopmentProtocolSchedule.create(GenesisConfigFile.DEFAULT.getConfigOptions());
+        DevelopmentProtocolSchedule.create(
+            GenesisConfigFile.DEFAULT.getConfigOptions(), new NoOpMetricsSystem());
 
     final BlockHeaderTestFixture headerBuilder = new BlockHeaderTestFixture();
 

ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/MainnetProtocolScheduleTest.java

@@ -13,6 +13,7 @@
 package tech.pegasys.pantheon.ethereum.mainnet;
 
 import tech.pegasys.pantheon.config.GenesisConfigFile;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 
 import java.nio.charset.StandardCharsets;
 
@@ -25,7 +26,7 @@ public class MainnetProtocolScheduleTest {
 
   @Test
   public void shouldReturnDefaultProtocolSpecsWhenCustomNumbersAreNotUsed() {
-    final ProtocolSchedule<Void> sched = MainnetProtocolSchedule.create();
+    final ProtocolSchedule<Void> sched = MainnetProtocolSchedule.create(new NoOpMetricsSystem());
     Assertions.assertThat(sched.getByBlockNumber(1L).getName()).isEqualTo("Frontier");
     Assertions.assertThat(sched.getByBlockNumber(1_150_000L).getName()).isEqualTo("Homestead");
     Assertions.assertThat(sched.getByBlockNumber(1_920_000L).getName())
@@ -46,7 +47,8 @@ public class MainnetProtocolScheduleTest {
   public void shouldOnlyUseFrontierWhenEmptyJsonConfigIsUsed() {
     final JsonObject json = new JsonObject("{}");
     final ProtocolSchedule<Void> sched =
-        MainnetProtocolSchedule.fromConfig(GenesisConfigFile.fromConfig(json).getConfigOptions());
+        MainnetProtocolSchedule.fromConfig(
+            GenesisConfigFile.fromConfig(json).getConfigOptions(), new NoOpMetricsSystem());
     Assertions.assertThat(sched.getByBlockNumber(1L).getName()).isEqualTo("Frontier");
     Assertions.assertThat(sched.getByBlockNumber(Long.MAX_VALUE).getName()).isEqualTo("Frontier");
   }
@@ -57,7 +59,8 @@ public class MainnetProtocolScheduleTest {
         new JsonObject(
             "{\"config\": {\"homesteadBlock\": 2, \"daoForkBlock\": 3, \"eip150Block\": 14, \"eip158Block\": 15, \"byzantiumBlock\": 16, \"constantinopleBlock\": 18, \"chainId\":1234}}");
     final ProtocolSchedule<Void> sched =
-        MainnetProtocolSchedule.fromConfig(GenesisConfigFile.fromConfig(json).getConfigOptions());
+        MainnetProtocolSchedule.fromConfig(
+            GenesisConfigFile.fromConfig(json).getConfigOptions(), new NoOpMetricsSystem());
     Assertions.assertThat(sched.getByBlockNumber(1).getName()).isEqualTo("Frontier");
     Assertions.assertThat(sched.getByBlockNumber(2).getName()).isEqualTo("Homestead");
     Assertions.assertThat(sched.getByBlockNumber(3).getName()).isEqualTo("DaoRecoveryInit");
@@ -76,7 +79,8 @@ public class MainnetProtocolScheduleTest {
             GenesisConfigFile.fromConfig(
                     Resources.toString(
                         Resources.getResource("ropsten.json"), StandardCharsets.UTF_8))
-                .getConfigOptions());
+                .getConfigOptions(),
+            new NoOpMetricsSystem());
     Assertions.assertThat(sched.getByBlockNumber(0).getName()).isEqualTo("TangerineWhistle");
     Assertions.assertThat(sched.getByBlockNumber(1).getName()).isEqualTo("TangerineWhistle");
     Assertions.assertThat(sched.getByBlockNumber(10).getName()).isEqualTo("SpuriousDragon");

ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/mainnet/headervalidationrules/ProofOfWorkValidationRuleTest.java

@@ -22,6 +22,7 @@ import tech.pegasys.pantheon.ethereum.mainnet.MainnetProtocolSchedule;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
 import tech.pegasys.pantheon.ethereum.mainnet.ScheduleBasedBlockHashFunction;
 import tech.pegasys.pantheon.ethereum.mainnet.ValidationTestUtils;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 import tech.pegasys.pantheon.util.uint.UInt256;
 
 import java.io.IOException;
@@ -109,7 +110,8 @@ public class ProofOfWorkValidationRuleTest {
   }
 
   private BlockHashFunction mainnetBlockHashFunction() {
-    final ProtocolSchedule<Void> protocolSchedule = MainnetProtocolSchedule.create();
+    final ProtocolSchedule<Void> protocolSchedule =
+        MainnetProtocolSchedule.create(new NoOpMetricsSystem());
     return ScheduleBasedBlockHashFunction.create(protocolSchedule);
   }
 }

ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/ReferenceTestProtocolSchedules.java

@@ -15,7 +15,8 @@ package tech.pegasys.pantheon.ethereum.vm;
 import tech.pegasys.pantheon.config.GenesisConfigOptions;
 import tech.pegasys.pantheon.config.StubGenesisConfigOptions;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
-import tech.pegasys.pantheon.ethereum.mainnet.ProtocolScheduleBuilder;
+import tech.pegasys.pantheon.ethereum.mainnet.ProtocolScheduleFactory;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 
 import java.util.Map;
 import java.util.function.Function;
@@ -60,7 +61,8 @@ public class ReferenceTestProtocolSchedules {
   }
 
   private static ProtocolSchedule<Void> createSchedule(final GenesisConfigOptions options) {
-    return new ProtocolScheduleBuilder<>(options, CHAIN_ID, Function.identity())
+    return new ProtocolScheduleFactory<>(
+            new NoOpMetricsSystem(), options, CHAIN_ID, Function.identity())
         .createProtocolSchedule();
   }
 }

ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/VMReferenceTest.java

@@ -25,6 +25,7 @@ import tech.pegasys.pantheon.ethereum.mainnet.MutableProtocolSchedule;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSpec;
 import tech.pegasys.pantheon.ethereum.vm.ehalt.ExceptionalHaltException;
 import tech.pegasys.pantheon.ethereum.worldstate.DefaultMutableWorldState;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 import tech.pegasys.pantheon.testutil.JsonTestParameters;
 
 import java.util.ArrayDeque;
@@ -115,7 +116,9 @@ public class VMReferenceTest extends AbstractRetryingTest {
     final EnvironmentInformation execEnv = spec.getExec();
 
     final ProtocolSpec<Void> protocolSpec =
-        MainnetProtocolSpecs.frontierDefinition().build(new MutableProtocolSchedule<>(CHAIN_ID));
+        MainnetProtocolSpecs.frontierDefinition()
+            .metricsSystem(new NoOpMetricsSystem())
+            .build(new MutableProtocolSchedule<>(CHAIN_ID));
 
     final TestBlockchain blockchain = new TestBlockchain(execEnv.getBlockHeader().getNumber());
     final MessageFrame frame =

ethereum/core/src/test/java/tech/pegasys/pantheon/ethereum/vm/operations/ConstantinopleSStoreOperationGasCostTest.java

@@ -21,6 +21,7 @@ import tech.pegasys.pantheon.ethereum.mainnet.MainnetProtocolSchedule;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
 import tech.pegasys.pantheon.ethereum.vm.MessageFrame;
 import tech.pegasys.pantheon.ethereum.vm.MessageFrame.State;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 import tech.pegasys.pantheon.util.uint.UInt256;
 
 import org.junit.Before;
@@ -34,7 +35,8 @@ import org.junit.runners.Parameterized.Parameters;
 public class ConstantinopleSStoreOperationGasCostTest {
 
   private static final ProtocolSchedule<Void> protocolSchedule =
-      MainnetProtocolSchedule.fromConfig(new StubGenesisConfigOptions().constantinopleBlock(0));
+      MainnetProtocolSchedule.fromConfig(
+          new StubGenesisConfigOptions().constantinopleBlock(0), new NoOpMetricsSystem());
 
   @Parameters(name = "Code: {0}, Original: {1}")
   public static Object[][] scenarios() {

ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthProtocolManagerTest.java

@@ -54,6 +54,7 @@ import tech.pegasys.pantheon.ethereum.p2p.api.PeerConnection;
 import tech.pegasys.pantheon.ethereum.p2p.wire.Capability;
 import tech.pegasys.pantheon.ethereum.p2p.wire.DefaultMessage;
 import tech.pegasys.pantheon.ethereum.p2p.wire.RawMessage;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 import tech.pegasys.pantheon.util.uint.UInt256;
 
 import java.util.ArrayList;
@@ -692,7 +693,8 @@ public final class EthProtocolManagerTest {
         .isEqualTo(Collections.singletonList(EthProtocol.ETH63));
 
     // assert that all messages transmitted contain the expected block & total difficulty.
-    final ProtocolSchedule<Void> protocolSchdeule = MainnetProtocolSchedule.create();
+    final ProtocolSchedule<Void> protocolSchdeule =
+        MainnetProtocolSchedule.create(new NoOpMetricsSystem());
     for (final NewBlockMessage msg : messageSentCaptor.getAllValues()) {
       assertThat(msg.block(protocolSchdeule)).isEqualTo(minedBlock);
       assertThat(msg.totalDifficulty(protocolSchdeule)).isEqualTo(expectedTotalDifficulty);

ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/EthProtocolManagerTestUtil.java

@@ -24,6 +24,7 @@ import tech.pegasys.pantheon.ethereum.mainnet.MainnetProtocolSchedule;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
 import tech.pegasys.pantheon.ethereum.p2p.api.MessageData;
 import tech.pegasys.pantheon.ethereum.p2p.wire.DefaultMessage;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 import tech.pegasys.pantheon.util.uint.UInt256;
 
 public class EthProtocolManagerTestUtil {
@@ -41,7 +42,8 @@ public class EthProtocolManagerTestUtil {
   }
 
   public static EthProtocolManager create() {
-    final ProtocolSchedule<Void> protocolSchedule = MainnetProtocolSchedule.create();
+    final ProtocolSchedule<Void> protocolSchedule =
+        MainnetProtocolSchedule.create(new NoOpMetricsSystem());
     final GenesisConfigFile config = GenesisConfigFile.mainnet();
     final GenesisState genesisState = GenesisState.fromConfig(config, protocolSchedule);
     final Blockchain blockchain = createInMemoryBlockchain(genesisState.getBlock());

ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/manager/ethtaskutils/BlockchainSetupUtil.java

@@ -31,6 +31,7 @@ import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSpec;
 import tech.pegasys.pantheon.ethereum.mainnet.ScheduleBasedBlockHashFunction;
 import tech.pegasys.pantheon.ethereum.util.RawBlockIterator;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 
 import java.io.IOException;
 import java.net.URL;
@@ -92,7 +93,8 @@ public class BlockchainSetupUtil<C> {
   }
 
   public static BlockchainSetupUtil<Void> forTesting() {
-    final ProtocolSchedule<Void> protocolSchedule = MainnetProtocolSchedule.create();
+    final ProtocolSchedule<Void> protocolSchedule =
+        MainnetProtocolSchedule.create(new NoOpMetricsSystem());
     final TemporaryFolder temp = new TemporaryFolder();
     try {
       temp.create();

ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockBodiesMessageTest.java

@@ -23,6 +23,7 @@ import tech.pegasys.pantheon.ethereum.p2p.wire.RawMessage;
 import tech.pegasys.pantheon.ethereum.rlp.BytesValueRLPInput;
 import tech.pegasys.pantheon.ethereum.rlp.RLP;
 import tech.pegasys.pantheon.ethereum.rlp.RLPInput;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 import tech.pegasys.pantheon.util.bytes.BytesValue;
 
 import java.io.IOException;
@@ -65,7 +66,8 @@ public final class BlockBodiesMessageTest {
     final Iterator<BlockBody> readBodies =
         message
             .bodies(
-                DevelopmentProtocolSchedule.create(GenesisConfigFile.DEFAULT.getConfigOptions()))
+                DevelopmentProtocolSchedule.create(
+                    GenesisConfigFile.DEFAULT.getConfigOptions(), new NoOpMetricsSystem()))
             .iterator();
     for (int i = 0; i < 50; ++i) {
       Assertions.assertThat(readBodies.next()).isEqualTo(bodies.get(i));

ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/BlockHeadersMessageTest.java

@@ -21,6 +21,7 @@ import tech.pegasys.pantheon.ethereum.p2p.wire.RawMessage;
 import tech.pegasys.pantheon.ethereum.rlp.BytesValueRLPInput;
 import tech.pegasys.pantheon.ethereum.rlp.RLP;
 import tech.pegasys.pantheon.ethereum.rlp.RLPInput;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 import tech.pegasys.pantheon.util.bytes.BytesValue;
 
 import java.io.IOException;
@@ -58,7 +59,8 @@ public final class BlockHeadersMessageTest {
     final BlockHeadersMessage message = BlockHeadersMessage.readFrom(raw);
     final Iterator<BlockHeader> readHeaders =
         message.getHeaders(
-            DevelopmentProtocolSchedule.create(GenesisConfigFile.DEFAULT.getConfigOptions()));
+            DevelopmentProtocolSchedule.create(
+                GenesisConfigFile.DEFAULT.getConfigOptions(), new NoOpMetricsSystem()));
     for (int i = 0; i < 50; ++i) {
       Assertions.assertThat(readHeaders.next()).isEqualTo(headers.get(i));
     }

ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/messages/NewBlockMessageTest.java

@@ -21,13 +21,15 @@ import tech.pegasys.pantheon.ethereum.mainnet.MainnetProtocolSchedule;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
 import tech.pegasys.pantheon.ethereum.p2p.wire.RawMessage;
 import tech.pegasys.pantheon.ethereum.rlp.BytesValueRLPOutput;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 import tech.pegasys.pantheon.util.bytes.BytesValue;
 import tech.pegasys.pantheon.util.uint.UInt256;
 
 import org.junit.Test;
 
 public class NewBlockMessageTest {
-  private static final ProtocolSchedule<Void> protocolSchedule = MainnetProtocolSchedule.create();
+  private static final ProtocolSchedule<Void> protocolSchedule =
+      MainnetProtocolSchedule.create(new NoOpMetricsSystem());
 
   @Test
   public void roundTripNewBlockMessage() {

ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/ChainHeadTrackerTest.java

@@ -44,7 +44,8 @@ public class ChainHeadTrackerTest {
           blockchain.getChainHead().getTotalDifficulty(),
           0);
   private final ProtocolSchedule<Void> protocolSchedule =
-      DevelopmentProtocolSchedule.create(GenesisConfigFile.DEFAULT.getConfigOptions());
+      DevelopmentProtocolSchedule.create(
+          GenesisConfigFile.DEFAULT.getConfigOptions(), new NoOpMetricsSystem());
   private final TrailingPeerLimiter trailingPeerLimiter = mock(TrailingPeerLimiter.class);
   private final ChainHeadTracker chainHeadTracker =
       new ChainHeadTracker(

ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DetermineCommonAncestorTaskParameterizedTest.java

@@ -53,7 +53,8 @@ import org.junit.runners.Parameterized.Parameters;
 
 @RunWith(Parameterized.class)
 public class DetermineCommonAncestorTaskParameterizedTest {
-  private final ProtocolSchedule<Void> protocolSchedule = MainnetProtocolSchedule.create();
+  private final ProtocolSchedule<Void> protocolSchedule =
+      MainnetProtocolSchedule.create(new NoOpMetricsSystem());
   private static final BlockDataGenerator blockDataGenerator = new BlockDataGenerator();
   private final LabelledMetric<OperationTimer> ethTasksTimer =
       NoOpMetricsSystem.NO_OP_LABELLED_TIMER;

ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/sync/tasks/DetermineCommonAncestorTaskTest.java

@@ -57,7 +57,8 @@ import org.junit.Test;
 
 public class DetermineCommonAncestorTaskTest {
 
-  private final ProtocolSchedule<Void> protocolSchedule = MainnetProtocolSchedule.create();
+  private final ProtocolSchedule<Void> protocolSchedule =
+      MainnetProtocolSchedule.create(new NoOpMetricsSystem());
   private final BlockDataGenerator blockDataGenerator = new BlockDataGenerator();
   private final LabelledMetric<OperationTimer> ethTasksTimer =
       NoOpMetricsSystem.NO_OP_LABELLED_TIMER;

ethereum/eth/src/test/java/tech/pegasys/pantheon/ethereum/eth/transactions/TestNode.java

@@ -91,7 +91,8 @@ public class TestNode implements Closeable {
 
     final GenesisConfigFile genesisConfigFile = GenesisConfigFile.development();
     final ProtocolSchedule<Void> protocolSchedule =
-        DevelopmentProtocolSchedule.create(genesisConfigFile.getConfigOptions());
+        DevelopmentProtocolSchedule.create(
+            genesisConfigFile.getConfigOptions(), new NoOpMetricsSystem());
     final GenesisState genesisState = GenesisState.fromConfig(genesisConfigFile, protocolSchedule);
     final BlockHashFunction blockHashFunction =
         ScheduleBasedBlockHashFunction.create(protocolSchedule);

ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/BlockchainImporter.java

@@ -20,6 +20,7 @@ import tech.pegasys.pantheon.ethereum.mainnet.MainnetBlockHashFunction;
 import tech.pegasys.pantheon.ethereum.mainnet.MainnetProtocolSchedule;
 import tech.pegasys.pantheon.ethereum.mainnet.ProtocolSchedule;
 import tech.pegasys.pantheon.ethereum.util.RawBlockIterator;
+import tech.pegasys.pantheon.metrics.noop.NoOpMetricsSystem;
 
 import java.net.URL;
 import java.nio.file.Paths;
@@ -40,7 +41,7 @@ public class BlockchainImporter {
   public BlockchainImporter(final URL blocksUrl, final String genesisJson) throws Exception {
     protocolSchedule =
         MainnetProtocolSchedule.fromConfig(
-            GenesisConfigFile.fromConfig(genesisJson).getConfigOptions());
+            GenesisConfigFile.fromConfig(genesisJson).getConfigOptions(), new NoOpMetricsSystem());
 
     blocks = new ArrayList<>();
     try (final RawBlockIterator iterator =

ethereum/jsonrpc/src/integration-test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcTestMethodsFactory.java

@@ -88,7 +88,7 @@ public class JsonRpcTestMethodsFactory {
             peerDiscovery,
             blockchainQueries,
             synchronizer,
-            MainnetProtocolSchedule.create(),
+            MainnetProtocolSchedule.create(new NoOpMetricsSystem()),
             filterManager,
             transactionPool,
             miningCoordinator,

ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/AbstractEthJsonRpcHttpServiceTest.java

@@ -108,7 +108,7 @@ public abstract class AbstractEthJsonRpcHttpServiceTest {
 
   @BeforeClass
   public static void setupConstants() throws Exception {
-    PROTOCOL_SCHEDULE = MainnetProtocolSchedule.create();
+    PROTOCOL_SCHEDULE = MainnetProtocolSchedule.create(new NoOpMetricsSystem());
 
     final URL blocksUrl =
         EthJsonRpcHttpBySpecTest.class
@@ -177,7 +177,7 @@ public abstract class AbstractEthJsonRpcHttpServiceTest {
                 peerDiscoveryMock,
                 blockchainQueries,
                 synchronizerMock,
-                MainnetProtocolSchedule.create(),
+                MainnetProtocolSchedule.create(new NoOpMetricsSystem()),
                 filterManager,
                 transactionPoolMock,
                 miningCoordinatorMock,

ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpServiceHostWhitelistTest.java

@@ -88,7 +88,8 @@ public class JsonRpcHttpServiceHostWhitelistTest {
                     blockchainQueries,
                     synchronizer,
                     MainnetProtocolSchedule.fromConfig(
-                        new StubGenesisConfigOptions().constantinopleBlock(0).chainId(CHAIN_ID)),
+                        new StubGenesisConfigOptions().constantinopleBlock(0).chainId(CHAIN_ID),
+                        new NoOpMetricsSystem()),
                     mock(FilterManager.class),
                     mock(TransactionPool.class),
                     mock(EthHashMiningCoordinator.class),

ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpServiceRpcApisTest.java

@@ -170,7 +170,7 @@ public class JsonRpcHttpServiceRpcApisTest {
                     mock(P2PNetwork.class),
                     blockchainQueries,
                     mock(Synchronizer.class),
-                    MainnetProtocolSchedule.create(),
+                    MainnetProtocolSchedule.create(new NoOpMetricsSystem()),
                     mock(FilterManager.class),
                     mock(TransactionPool.class),
                     mock(EthHashMiningCoordinator.class),

ethereum/jsonrpc/src/test/java/tech/pegasys/pantheon/ethereum/jsonrpc/JsonRpcHttpServiceTest.java

@@ -117,7 +117,8 @@ public class JsonRpcHttpServiceTest {
                     blockchainQueries,
                     synchronizer,
                     MainnetProtocolSchedule.fromConfig(
-                        new StubGenesisConfigOptions().constantinopleBlock(0).chainId(CHAIN_ID)),
+                        new StubGenesisConfigOptions().constantinopleBlock(0).chainId(CHAIN_ID),
+                        new NoOpMetricsSystem()),
                     mock(FilterManager.class),
                     mock(TransactionPool.class),
                     mock(EthHashMiningCoordinator.class),

metrics/src/main/java/tech/pegasys/pantheon/metrics/MetricCategory.java

@@ -13,14 +13,15 @@
 package tech.pegasys.pantheon.metrics;
 
 public enum MetricCategory {
-  PEERS("peers"),
-  RPC("rpc"),
-  JVM("jvm", false),
-  PROCESS("process", false),
   BLOCKCHAIN("blockchain"),
-  SYNCHRONIZER("synchronizer"),
+  EVM("evm"),
+  JVM("jvm", false),
   NETWORK("network"),
-  ROCKSDB("rocksdb");
+  PEERS("peers"),
+  PROCESS("process", false),
+  ROCKSDB("rocksdb"),
+  RPC("rpc"),
+  SYNCHRONIZER("synchronizer");
 
   private final String name;
   private final boolean pantheonSpecific;

metrics/src/main/java/tech/pegasys/pantheon/metrics/prometheus/PrometheusMetricsSystem.java

@@ -49,6 +49,10 @@ public class PrometheusMetricsSystem implements MetricsSystem {
   private static final String PANTHEON_PREFIX = "pantheon_";
   private final Map<MetricCategory, Collection<Collector>> collectors = new ConcurrentHashMap<>();
   private final CollectorRegistry registry = new CollectorRegistry(true);
+  private final Map<String, LabelledMetric<tech.pegasys.pantheon.metrics.Counter>>
+      labelledCounters = new ConcurrentHashMap<>();
+  private final Map<String, LabelledMetric<tech.pegasys.pantheon.metrics.OperationTimer>>
+      labelledTimers = new ConcurrentHashMap<>();
 
   PrometheusMetricsSystem() {}
 
@@ -73,12 +77,16 @@ public class PrometheusMetricsSystem implements MetricsSystem {
       final String name,
       final String help,
       final String... labelNames) {
+    return labelledCounters.computeIfAbsent(
+        name,
+        key -> {
           final Counter counter =
               Counter.build(convertToPrometheusName(category, name), help)
                   .labelNames(labelNames)
                   .create();
           addCollector(category, counter);
           return new PrometheusCounter(counter);
+        });
   }
 
   @Override
@@ -87,6 +95,9 @@ public class PrometheusMetricsSystem implements MetricsSystem {
       final String name,
       final String help,
       final String... labelNames) {
+    return labelledTimers.computeIfAbsent(
+        name,
+        key -> {
           final Summary summary =
               Summary.build(convertToPrometheusName(category, name), help)
                   .quantile(0.2, 0.02)
@@ -99,6 +110,7 @@ public class PrometheusMetricsSystem implements MetricsSystem {
                   .create();
           addCollector(category, summary);
           return new PrometheusTimer(summary);
+        });
   }
 
   @Override

pantheon/src/main/java/tech/pegasys/pantheon/cli/PantheonControllerBuilder.java

@@ -94,7 +94,7 @@ public class PantheonControllerBuilder {
       return MainnetPantheonController.init(
           storageProvider,
           genesisConfig,
-          DevelopmentProtocolSchedule.create(genesisConfig.getConfigOptions()),
+          DevelopmentProtocolSchedule.create(genesisConfig.getConfigOptions(), metricsSystem),
           synchronizerConfiguration,
           miningParameters,
           nodeKeys,

pantheon/src/main/java/tech/pegasys/pantheon/controller/CliquePantheonController.java

@@ -118,7 +118,7 @@ public class CliquePantheonController implements PantheonController<CliqueContex
 
     final EpochManager epochManger = new EpochManager(blocksPerEpoch);
     final ProtocolSchedule<CliqueContext> protocolSchedule =
-        CliqueProtocolSchedule.create(genesisConfig.getConfigOptions(), nodeKeys);
+        CliqueProtocolSchedule.create(genesisConfig.getConfigOptions(), nodeKeys, metricsSystem);
     final GenesisState genesisState = GenesisState.fromConfig(genesisConfig, protocolSchedule);
     final BlockchainStorage blockchainStorage =
         storageProvider.createBlockchainStorage(protocolSchedule);

pantheon/src/main/java/tech/pegasys/pantheon/controller/IbftLegacyPantheonController.java

@@ -109,7 +109,7 @@ public class IbftLegacyPantheonController implements PantheonController<IbftCont
       final KeyPair nodeKeys,
       final MetricsSystem metricsSystem) {
     final ProtocolSchedule<IbftContext> protocolSchedule =
-        IbftProtocolSchedule.create(genesisConfig.getConfigOptions());
+        IbftProtocolSchedule.create(genesisConfig.getConfigOptions(), metricsSystem);
     final GenesisState genesisState = GenesisState.fromConfig(genesisConfig, protocolSchedule);
     final BlockchainStorage blockchainStorage =
         storageProvider.createBlockchainStorage(protocolSchedule);

pantheon/src/main/java/tech/pegasys/pantheon/controller/IbftPantheonController.java

@@ -133,7 +133,7 @@ public class IbftPantheonController implements PantheonController<IbftContext> {
       final KeyPair nodeKeys,
       final MetricsSystem metricsSystem) {
     final ProtocolSchedule<IbftContext> protocolSchedule =
-        IbftProtocolSchedule.create(genesisConfig.getConfigOptions());
+        IbftProtocolSchedule.create(genesisConfig.getConfigOptions(), metricsSystem);
     final GenesisState genesisState = GenesisState.fromConfig(genesisConfig, protocolSchedule);
     final BlockchainStorage blockchainStorage =
         storageProvider.createBlockchainStorage(protocolSchedule);

pantheon/src/main/java/tech/pegasys/pantheon/controller/PantheonController.java

@@ -55,7 +55,7 @@ public interface PantheonController<C> extends Closeable {
       return MainnetPantheonController.init(
           storageProvider,
           genesisConfigFile,
-          MainnetProtocolSchedule.fromConfig(configOptions),
+          MainnetProtocolSchedule.fromConfig(configOptions, metricsSystem),
           syncConfig,
           miningParameters,
           nodeKeys,

pantheon/src/test/java/tech/pegasys/pantheon/RunnerTest.java

@@ -103,7 +103,7 @@ public final class RunnerTest {
         MainnetPantheonController.init(
             createKeyValueStorageProvider(dbAhead),
             GenesisConfigFile.mainnet(),
-            MainnetProtocolSchedule.create(),
+            MainnetProtocolSchedule.create(new NoOpMetricsSystem()),
             fastSyncConfig,
             new MiningParametersTestBuilder().enabled(false).build(),
             aheadDbNodeKeys,
@@ -116,7 +116,7 @@ public final class RunnerTest {
         MainnetPantheonController.init(
             createKeyValueStorageProvider(dbAhead),
             GenesisConfigFile.mainnet(),
-            MainnetProtocolSchedule.create(),
+            MainnetProtocolSchedule.create(new NoOpMetricsSystem()),
             fastSyncConfig,
             new MiningParametersTestBuilder().enabled(false).build(),
             aheadDbNodeKeys,
@@ -159,7 +159,7 @@ public final class RunnerTest {
           MainnetPantheonController.init(
               new InMemoryStorageProvider(),
               GenesisConfigFile.mainnet(),
-              MainnetProtocolSchedule.create(),
+              MainnetProtocolSchedule.create(new NoOpMetricsSystem()),
               fastSyncConfig,
               new MiningParametersTestBuilder().enabled(false).build(),
               KeyPair.generate(),