- Documentation update for the [`public-key export-address`](https://docs.pantheon.pegasys.tech/en/latest/Reference/Pantheon-CLI-Syntax/#public-key) subcommand.
- Updated [IBFT 2.0 overview](https://docs.pantheon.pegasys.tech/en/latest/Consensus-Protocols/IBFT/) to include use of `rlp encode` command and information on setting IBFT 2.0 properties to achieve your desired block time.
- Do parallel extract signatures in the parallel block importer. [\#844](https://github.com/PegaSysEng/pantheon/pull/844)
- Fix 'the Input Is Too Long' Error on Windows [\#843](https://github.com/PegaSysEng/pantheon/pull/843) (thanks to [glethuillier](https://github.com/glethuillier)). Fixes issue [\#839](https://github.com/PegaSysEng/pantheon/issues/839).
- Speed up shutdown time [\#838](https://github.com/PegaSysEng/pantheon/pull/838)
- Add metrics to world state downloader [\#837](https://github.com/PegaSysEng/pantheon/pull/837)
- Store pivot block header [\#836](https://github.com/PegaSysEng/pantheon/pull/836)
- Clique should use beneficiary of zero on epoch blocks [\#833](https://github.com/PegaSysEng/pantheon/pull/833)
- Clique should ignore proposals for address 0 [\#831](https://github.com/PegaSysEng/pantheon/pull/831)
- Fix intermittency in FullSyncDownloaderTest [\#830](https://github.com/PegaSysEng/pantheon/pull/830)
- Added the authentication service to the WebSocket service [\#829](https://github.com/PegaSysEng/pantheon/pull/829)
- Extract creation and init of ProtocolContext into a re-usable class [\#828](https://github.com/PegaSysEng/pantheon/pull/828)
- Prevent duplicate commit seals in ibft header [\#827](https://github.com/PegaSysEng/pantheon/pull/827)
- Validate Ibft vanity data length [\#826](https://github.com/PegaSysEng/pantheon/pull/826)
- Refactored json rpc authentication to be provided as a service [\#825](https://github.com/PegaSysEng/pantheon/pull/825)
- Handle unavailable world states [\#824](https://github.com/PegaSysEng/pantheon/pull/824)
- Password in JWT payload [\#823](https://github.com/PegaSysEng/pantheon/pull/823)
- Homogenize error messages when required parameters are set [\#822](https://github.com/PegaSysEng/pantheon/pull/822) ([glethuillier](https://github.com/glethuillier)). Fixes issue [\#821](https://github.com/PegaSysEng/pantheon/issues/821).
- Set remote peer chain head to parent of block received in NEW\_BLOCK\_MESSAGE [\#819](https://github.com/PegaSysEng/pantheon/pull/819)
- Peer disconnects should not result in stack traces [\#818](https://github.com/PegaSysEng/pantheon/pull/818)
- Remove privacy not supported warning [\#806](https://github.com/PegaSysEng/pantheon/pull/806) (thanks to [vinistevam](https://github.com/vinistevam))
- Wire up Private Transaction Processor [\#805](https://github.com/PegaSysEng/pantheon/pull/805) (thanks to [Puneetha17](https://github.com/Puneetha17))
- Apply a limit to the number of responses in RespondingEthPeer.respondWhile [\#803](https://github.com/PegaSysEng/pantheon/pull/803)
- Avoid requesting empty block bodies from the network. [\#802](https://github.com/PegaSysEng/pantheon/pull/802)
- Handle partial responses to get receipts requests [\#801](https://github.com/PegaSysEng/pantheon/pull/801)
- Rename functions in Ibft MessageValidator [\#800](https://github.com/PegaSysEng/pantheon/pull/800)
- Upgrade GoogleJavaFormat to 1.7 [\#795](https://github.com/PegaSysEng/pantheon/pull/795)
- Minor refactorings of IntegrationTest infrastructure [\#786](https://github.com/PegaSysEng/pantheon/pull/786)
- Spilt Ibft MessageValidator into components [\#752](https://github.com/PegaSysEng/pantheon/pull/752)
- Ensure first checkpoint headers is always in local blockchain for FastSyncCheckpointHeaderManager [\#750](https://github.com/PegaSysEng/pantheon/pull/750)
- Refactored permissioning components to be Optional. [\#747](https://github.com/PegaSysEng/pantheon/pull/747)
- Integrate rocksdb-based queue into WorldStateDownloader [\#746](https://github.com/PegaSysEng/pantheon/pull/746)
- Generify orion to enclave [\#745](https://github.com/PegaSysEng/pantheon/pull/745) (thanks to [vinistevam](https://github.com/vinistevam))
- Moved IBFT Message factory to use wrapped message types [\#744](https://github.com/PegaSysEng/pantheon/pull/744)
- Handle timeouts when requesting checkpoint headers correctly [\#743](https://github.com/PegaSysEng/pantheon/pull/743)
- Update RoundChangeManager to use flattened message [\#742](https://github.com/PegaSysEng/pantheon/pull/742)
- Handle validation failures when fast importing blocks [\#741](https://github.com/PegaSysEng/pantheon/pull/741)
- Updated IbftRound and RoundState APIs to use wrapped messages [\#740](https://github.com/PegaSysEng/pantheon/pull/740)
Breaking changes have been made to the command line options in v0.9 to improve usability. Many v0.8 command line options no longer work.
The [documentation](https://docs.pantheon.pegasys.tech/en/latest/) has been updated throughout to use the changed command line options and the [command line reference](https://docs.pantheon.pegasys.tech/en/latest/Reference/Pantheon-CLI-Syntax/) documents the changed options.
| `--goerli` | [`--network=goerli`](https://docs.pantheon.pegasys.tech/en/latest/Reference/Pantheon-CLI-Syntax/#network) | Replaced by `--network` option |
| `--metrics-listen=<HOST:PORT>` | [`--metrics-host=<HOST>`](https://docs.pantheon.pegasys.tech/en/latest/Reference/Pantheon-CLI-Syntax/#metrics-host) and [`--metrics-port=<PORT>`](https://docs.pantheon.pegasys.tech/en/latest/Reference/Pantheon-CLI-Syntax/#metrics-port) | Split into host and port options |
| `--p2p-listen=<HOST:PORT>` | [`--p2p-host=<HOST>`](https://docs.pantheon.pegasys.tech/en/latest/Reference/Pantheon-CLI-Syntax/#p2p-host) and [`--p2p-port=<PORT>`](https://docs.pantheon.pegasys.tech/en/latest/Reference/Pantheon-CLI-Syntax/#p2p-port) | Split into host and port options |
| `--rinkeby` | [`--network=rinkeby`](https://docs.pantheon.pegasys.tech/en/latest/Reference/Pantheon-CLI-Syntax/#network) | Replaced by `--network` option |
| `--ropsten` | [`--network=ropsten`](https://docs.pantheon.pegasys.tech/en/latest/Reference/Pantheon-CLI-Syntax/#network) | Replaced by `--network` option |
| `--rpc-listen=<HOST:PORT>` | [`--rpc-http-host=<HOST>`](https://docs.pantheon.pegasys.tech/en/latest/Reference/Pantheon-CLI-Syntax/#rpc-http-host) and [`--rpc-http-port=<PORT>`](https://docs.pantheon.pegasys.tech/en/latest/Reference/Pantheon-CLI-Syntax/#rpc-http-port) | Split into host and port options |
| `--ws-listen=<HOST:PORT>` | [`--rpc-ws-host=<HOST>`](https://docs.pantheon.pegasys.tech/en/latest/Reference/Pantheon-CLI-Syntax/#rpc-ws-host) and [`--rpc-ws-port=<PORT>`](https://docs.pantheon.pegasys.tech/en/latest/Reference/Pantheon-CLI-Syntax/#rpc-ws-port) | Split into host and port options |
to use quickstart in `pantheon-quickstart` repository and indicate that the quickstart is not supported on Windows.
- Added IBFT 2.0 [content](https://docs.pantheon.pegasys.tech/en/latest/Consensus-Protocols/IBFT/) and [JSON RPC API methods](https://docs.pantheon.pegasys.tech/en/latest/Reference/JSON-RPC-API-Methods/#ibft-20-methods).
- Added content on [events and logs](https://docs.pantheon.pegasys.tech/en/latest/Using-Pantheon/Events-and-Logs/), and [using filters](https://docs.pantheon.pegasys.tech/en/latest/Using-Pantheon/Accessing-Logs-Using-JSON-RPC/).
- Added content on integrating with [Prometheus Push Gateway](https://docs.pantheon.pegasys.tech/en/latest/Using-Pantheon/Debugging/#running-prometheus-with-pantheon-in-push-mode)
### Technical Improvements
- Download receipts during fast sync and import without processing transactions [\#701](https://github.com/PegaSysEng/pantheon/pull/701)
- Removed CLI options for `--nodes-whitelist` and `--accounts-whitelist` [\#694](https://github.com/PegaSysEng/pantheon/pull/694)
- Delegate `getRootCause` through to Guava's implementation [\#692](https://github.com/PegaSysEng/pantheon/pull/692)
- Update orion default port approach [\#660](https://github.com/PegaSysEng/pantheon/pull/660)
- Extract out generic parts of Downloader [\#659](https://github.com/PegaSysEng/pantheon/pull/659)
- Start world downloader [\#658](https://github.com/PegaSysEng/pantheon/pull/658)
- Create a simple `WorldStateDownloader` [\#657](https://github.com/PegaSysEng/pantheon/pull/657)
- Added handling for when p2p is disabled [\#655](https://github.com/PegaSysEng/pantheon/pull/655)
- Enabled command line configuration for privacy precompiled contract address [\#653](https://github.com/PegaSysEng/pantheon/pull/653) (thanks to [Puneetha17](https://github.com/Puneetha17))
- IBFT transmitted packets are logged by gossiper [\#652](https://github.com/PegaSysEng/pantheon/pull/652)
-`admin_addPeer` acceptance test [\#651](https://github.com/PegaSysEng/pantheon/pull/651)
- Added `p2pEnabled` configuration to `ProcessPantheonNodeRunner` [\#649](https://github.com/PegaSysEng/pantheon/pull/649)
- Added description to automatic benchmarks [\#646](https://github.com/PegaSysEng/pantheon/pull/646)
Indefinitely delays the roll-out of Constantinople on Ethereum Mainnet due to a [potential security issue](https://blog.ethereum.org/2019/01/15/security-alert-ethereum-constantinople-postponement/) detected.
or referring to the custom [configuration file](https://docs.pantheon.pegasys.tech/en/latest/Getting-Started/Run-Docker-Image/#custom-configuration-file)
or [genesis file](https://docs.pantheon.pegasys.tech/en/latest/Getting-Started/Run-Docker-Image/#custom-genesis-file).
To recover the node key and data directory from the Docker container:
Where `container` is the name or ID of the Docker container containing the Pantheon node.
The container can be running or stopped when you copy the key and data directory. If your node was
fully synchronized to MainNet, the data directory will be ~2TB.
When restarting your node with the v0.8.4 Docker image:
* Save the node key in the [`key` file](https://docs.pantheon.pegasys.tech/en/latest/Configuring-Pantheon/Node-Keys/#node-private-key) in the data
directory or specify the location using the [`--node-private-key` option](https://docs.pantheon.pegasys.tech/en/latest/Configuring-Pantheon/Node-Keys/#specifying-a-custom-node-private-key-file).
* Specify the `<destination_directory` as a [volume for the data directory](https://docs.pantheon.pegasys.tech/en/latest/Getting-Started/Run-Docker-Image/#data-directory).
- Remove non-transactional mutation from KeyValueStore [\#500](https://github.com/PegaSysEng/pantheon/pull/500)
- Ensured that the blockchain queries class handles optionals better. [\#486](https://github.com/PegaSysEng/pantheon/pull/486)
- IBFT mining acceptance test [\#483](https://github.com/PegaSysEng/pantheon/pull/483)
- Set base directory name to be lowercase in building.md [\#474](https://github.com/PegaSysEng/pantheon/pull/474) (Thanks to [Matthalp](https://github.com/Matthalp))
- Moved admin\_peers to Admin API group [\#473](https://github.com/PegaSysEng/pantheon/pull/473)
- Nodes whitelist acceptance test [\#472](https://github.com/PegaSysEng/pantheon/pull/472)
- Rework RoundChangeManagerTest to not reuse validators [\#469](https://github.com/PegaSysEng/pantheon/pull/469)
- Ignore node files to support truffle. [\#467](https://github.com/PegaSysEng/pantheon/pull/467)
From v0.8.3, incoming HTTP requests are only accepted from hostnames specified using the `--host-whitelist` command-line option. If not specified, the default value for `--host-whitelist` is `localhost`.
If using the URL `http://127.0.0.1` to make JSON-RPC calls, use `--host-whitelist` to specify the hostname `127.0.0.1` or update the hostname to `localhost`.
If your application publishes RPC ports, specify the hostnames when starting Pantheon. For example:
```json
pantheon --host-whitelist=example.com
```
Specify `*` or `all` for `--host-whitelist` to effectively disable host protection and replicate pre-v0.8.3 behavior. This is not recommended for production code.
* Reorganised [Installation documentation](https://github.com/PegaSysEng/pantheon/wiki/Installation) and added [Chocolatey installation](https://github.com/PegaSysEng/pantheon/wiki/Install-Binaries#windows-with-chocolatey) for Windows
* Reorganised [JSON-RPC API documentation](https://github.com/PegaSysEng/pantheon/wiki/JSON-RPC-API)
* Updated [RPC Pub/Sub API documentation](https://github.com/PegaSysEng/pantheon/wiki/RPC-PubSub)
### Technical Improvements
- Extracted non-Docker CLI parameters to picoCLI mixin. [\#323](https://github.com/PegaSysEng/pantheon/pull/323)
- IBFT preprepare to validate round matches block [\#329](https://github.com/PegaSysEng/pantheon/pull/329)
- Fix acceptance test [\#324](https://github.com/PegaSysEng/pantheon/pull/324)
- Added the `IbftFinalState` [\#385](https://github.com/PegaSysEng/pantheon/pull/385)
- Removed `import-blockchain` command because nothing exports to the required format yet (PR [\#223](https://github.com/PegaSysEng/pantheon/pull/223))
### Bug Fixes
-`io.netty.util.internal.OutOfDirectMemoryError` errors by removing reference counting from network messages.
- Log spam: endless loop in `nioEventLoopGroup` ([#248](https://github.com/PegaSysEng/pantheon/issues/248) thanks to [@5chdn](https://github.com/5chdn) for reporting) (PR [#261](https://github.com/PegaSysEng/pantheon/pull/261))
- Rinkeby import can stall with too many fragments ([#228](https://github.com/PegaSysEng/pantheon/issues/228) thanks to [@steffenkux](https://github.com/steffenkux) and [@5chdn](https://github.com/5chdn) for reporting) (PR [#255](https://github.com/PegaSysEng/pantheon/pull/255))
- Clique incorrectly used the chain ID instead of the network ID in ETH status messages (PR [#209](https://github.com/PegaSysEng/pantheon/pull/209))
- Gradle deprecation warnings (PR [#246](https://github.com/PegaSysEng/pantheon/pull/246) with thanks to [@jvirtanen](https://github.com/jvirtanen))
- Consensus issue on Ropsten:
- Treat output length as a maximum length for CALL operations (PR [#236](https://github.com/PegaSysEng/pantheon/pull/236))
- ECRec precompile should return empty instead of 32 zero bytes when the input is invalid (PR [#227](https://github.com/PegaSysEng/pantheon/pull/227))
- File name too long error while building from source ([#215](https://github.com/PegaSysEng/pantheon/issues/215) thanks to [@5chdn](https://github.com/5chdn) for reporting) (PR [#221](https://github.com/PegaSysEng/pantheon/pull/221))
- Loop syntax in `runPantheonPrivateNetwork.sh` (PR [#237](https://github.com/PegaSysEng/pantheon/pull/237) thanks to [@matt9ucci](https://github.com/matt9ucci))
- Added `--ropsten` command line argument to make syncing to Ropsten easier ([#186](https://github.com/PegaSysEng/pantheon/issues/186)) (PR [#197](https://github.com/PegaSysEng/pantheon/pull/197) with thanks to [@jvirtanen](https://github.com/jvirtanen))
- Enabled constantinople in `--dev-mode` (PR [#256](https://github.com/PegaSysEng/pantheon/pull/256))
- Supported Constantinople with Clique ([#245](https://github.com/PegaSysEng/pantheon/issues/245) thanks to [@5chdn](https://github.com/5chdn) for reporting) (PR [#250](https://github.com/PegaSysEng/pantheon/pull/250), PR [#247](https://github.com/PegaSysEng/pantheon/pull/247))
- Updated client version to be ethstats friendly (PR [#258](https://github.com/PegaSysEng/pantheon/pull/258))
- Added `--node-private-key` option to allow nodekey file to be specified separately to data directory ([#233](https://github.com/PegaSysEng/pantheon/issues/233) thanks to [@peterbroadhurst](https://github.com/peterbroadhurst) for requesting) (PR [#234](https://github.com/PegaSysEng/pantheon/pull/234))
- Added `--banned-nodeids` option to prevent connection to specific nodes (PR [#254](https://github.com/PegaSysEng/pantheon/pull/254))
- Send client quitting disconnect message to peers on shutdown ([#184](https://github.com/PegaSysEng/pantheon/issues/184)) (PR [#253](https://github.com/PegaSysEng/pantheon/pull/253))
- Improved error message for port conflict error (PR [#232](https://github.com/PegaSysEng/pantheon/pull/232))
- Improved documentation by adding the following pages:
- Upgraded Ethereum reference tests to 6.0 beta 2. (thanks to [@jvirtanen](https://github.com/jvirtanen) for the initial upgrade to beta 1)
- Set Java compiler default encoding to UTF-8 (PR [#238](https://github.com/PegaSysEng/pantheon/pull/238) thanks to [@matt9ucci](https://github.com/matt9ucci))
- Improved code for parsing config (PRs [#208](https://github.com/PegaSysEng/pantheon/pull/208), [#209](https://github.com/PegaSysEng/pantheon/pull/209))
- Use `java.time.Clock` in favour of a custom Clock interface (PR [#220](https://github.com/PegaSysEng/pantheon/pull/220))
- Improve modularity of storage systems (PR [#211](https://github.com/PegaSysEng/pantheon/pull/211), [#207](https://github.com/PegaSysEng/pantheon/pull/207))
- Treat JavaDoc warnings as errors (PR [#171](https://github.com/PegaSysEng/pantheon/pull/171))
- Add benchmark for `BlockHashOperation `as a template for benchmarking other EVM operations (PR [#203](https://github.com/PegaSysEng/pantheon/pull/203))
- Added unit tests for `EthBlockNumber` ([#189](https://github.com/PegaSysEng/pantheon/issues/189)) (PR [#195](https://github.com/PegaSysEng/pantheon/pull/195) thanks to [@jvirtanen](https://github.com/jvirtanen))
- Code style improvements (PR [#196](https://github.com/PegaSysEng/pantheon/pull/196) thanks to [@jvirtanen](https://github.com/jvirtanen))
- Added unit tests for `Web3ClientVersion` ([#191](https://github.com/PegaSysEng/pantheon/issues/191)) (PR [#194](https://github.com/PegaSysEng/pantheon/pull/194) with thanks to [@jvirtanen](https://github.com/jvirtanen))
- Removed RLPUtils from `RawBlockIterator` (PR [#179](https://github.com/PegaSysEng/pantheon/pull/179))
- Replace the JNI based snappy library with a pure-Java version (PR [#257](https://github.com/PegaSysEng/pantheon/pull/257))
