openethereum/docs/CHANGELOG-2.7.md

## Parity-Ethereum [v2.7.2](https://github.com/openethereum/openethereum/releases/tag/v2.7.2)

Parity Ethereum v2.7.2-stable is a patch version release of parity-ethereum.
Starting in the 2.7.x series of releases, parity-ethereum is switching to a single stable release
track. As a result, any clients that currently receive updates from the beta
track should switch to the stable track.
Due to database format changes, upgrading from 2.5.x or 2.6.x is one-way only.

The full list of included changes:
* [eth classic chainspec]: remove balance = 1 (#11458)
* backwards compatible call_type creation_method (#11450 + #11455)
* chore: remove unused dependencies (#11432)
* Cargo.lock: new lockfile format (#11448)
* rlp_derive: cleanup (#11446)
* Avoid long state queries when serving GetNodeData requests (#11444)
* update kvdb-rocksdb to 0.4 (#11442)
* Remove dead bootnodes, add new geth bootnodes (#11441)
* goerli: replace foundation bootnode (#11433)
* fix: export hardcoded sync format (#11416)
* verification: fix race same block + misc (#11400)
* update classic testnet bootnodes (#11398)
* gcc to clang (#11453)

## Parity-Ethereum [v2.7.1](https://github.com/openethereum/openethereum/releases/tag/v2.7.1)
* Revert #11311 (#11427)

## Parity-Ethereum [v2.7.0](https://github.com/openethereum/openethereum/releases/tag/v2.7.0)

Parity Ethereum v2.7.0-stable is a minor version release of parity-ethereum. As
of this release, parity-ethereum is switching to a single `stable` release
track. As a result, any clients that currently receive updates from the `beta`
track should switch to the `stable` track.

The full list of included changes from `v2.5-stable` to `v2.7-stable` (the
`v2.6-beta` branch will already include some of these changes):

* miner: fix deprecation warning Error::description (#11380)
* Fix Aztlan hard fork issues (#11347)
* authority_round: Fix next_step_time_duration. (#11379)
* Set the block gas limit to the value returned by a contract call (#10928)
* [Trace] Distinguish between `create` and `create2` (#11311)
* fix cargo audit (#11378)
* Fix esoteric test config variable (#11292)
* Rip out the C and Java bindings (#11346)
* Encapsulate access to the client for secret store (#11232)
* Forward-port #11356 (#11359)
* Fix error message typo (#11363)
* [util/migration]: remove needless `static` bounds (#11348)
* Replace stale boot nodes with latest list (#11351)
* Update to latest `kvdb-*`: no default column, DBValue is Vec (#11312)
* we do not profit from incremental now (#11302)
* update autoupdate fork blocks for nightly (#11308)
* Add Nat PMP method to P2P module (#11210)
* Add randomness contract support to AuthorityRound. (#10946)
* ethcore/res: activate ecip-1061 on kotti and mordor (#11338)
* tx-q: enable basic verification of local transactions (#11332)
* remove null signatures (#11335)
* ethcore/res: activate agharta on classic 9573000 (#11331)
* [secretstore] migrate to version 4 (#11322)
* Enable EIP-2384 for ice age hard fork (#11281)
* Fix atomicity violation in network-devp2p (#11277)
* Istanbul activation on xDai (#11299)
* Istanbul activation on POA Core (#11298)
* Adds support for ipc socket permissions (#11273)
* Add check for deserialising hex values over U256 limit (#11309)
* validate-chainspecs: check istanbul eips are in the foundation spec (#11305)
* [chainspec]: add `eip1344_transition` for istanbul (#11301)
* only add transactions to signing-queue if it is enabled (#11272)
* Use upstream rocksdb (#11248)
* Treat only blocks in queue as synced (#11264)
* add support for evan.network chains (#11289)
* Add benchmarks and tests for RlpNodeCodec decoding (#11287)
* upgrade vergen to 3.0 (#11293)
* interruptible test and build jobs (#11294)
* Istanbul HF on POA Sokol (#11282)
* [ethcore]: apply filter when `PendingSet::AlwaysQueue` in `ready_transactions_filtered` (#11227)
* Update lib.rs (#11286)
* Don't prune ancient state when instantiating a Client (#11270)
* fixed verify_uncles error type (#11276)
* ethcore: fix rlp deprecation warnings (#11280)
* Upgrade trie-db to 0.16.0. (#11274)
* Clarify what first_block `None` means (#11269)
* removed redundant VMType enum with one variant (#11266)
* Ensure jsonrpc threading settings are sane (#11267)
* Return Ok(None) when the registrar contract returns empty slice (#11257)
* Add a benchmark for snapshot::account::to_fat_rlps() (#11185)
* Fix misc compile warnings (#11258)
* simplify verification (#11249)
* update ropsten forkCanonHash, forkBlock (#11247)
* Make InstantSeal Instant again (#11186)
* ropsten #6631425 foundation #8798209 (#11201)
* Update list of bootnodes for xDai chain (#11236)
* ethcore/res: add mordor testnet configuration (#11200)
* [chain specs]: activate `Istanbul` on mainnet (#11228)
* [builtin]: support `multiple prices and activations` in chain spec (#11039)
* Insert explicit warning into the panic hook (#11225)
* Snapshot restoration overhaul (#11219)
* Fix docker centos build (#11226)
* retry on gitlab system failures (#11222)
* Update bootnodes. (#11203)
* Use provided usd-per-eth value if an endpoint is specified (#11209)
* Use a lock instead of atomics for snapshot Progress (#11197)
* [informant]: `MillisecondDuration` -> `as_millis()` (#11211)
* Step duration map configuration parameter ported from the POA Network fork (#10902)
* Upgrade jsonrpc to latest (#11206)
* [export hardcoded sync]: use debug for `H256` (#11204)
* Pause pruning while snapshotting (#11178)
* Type annotation for next_key() matching of json filter options (#11192)
* Crypto primitives removed from ethkey (#11174)
* Made ecrecover implementation trait public (#11188)
* Remove unused macro_use. (#11191)
* [dependencies]: jsonrpc `14.0.1` (#11183)
* [receipt]: add `sender` & `receiver` to `RichReceipts` (#11179)
* [dependencies] bump rand 0.7 (#11022)
* [ethcore/builtin]: do not panic in blake2pricer on short input (#11180)
* TxPermissions ver 3: gas price & data (#11170)
* [ethash] chainspec validate `ecip1017EraRounds` non-zero (#11123)
* util Host: fix a double Read Lock bug in fn Host::session_readable() (#11175)
* ethcore client: fix a double Read Lock bug in fn Client::logs() (#11172)
* Aura: Report malice on sibling blocks from the same validator (#11160)
* Change how RPCs eth_call and eth_estimateGas handle "Pending" (#11127)
* Cleanup stratum a bit (#11161)
* [keccak-hasher]: rust2018 (#11163)
* Upgrade to jsonrpc v14 (#11151)
* Secret store: fix Instant::now() related race in net_keep_alive (#11155)
* RPC method for clearing the engine signer (#10920)
* Use TryFrom instead of From+panic for Builtin (#11140)
* Fix sccache statistics (#11145)
* Update ethereum types to 0.8.0 version (#11139)
* [json]: add docs to `hardfork specification` (#11138)
* ServiceTransactionChecker::refresh_cache: allow registrar unavailable (#11126)
* Fix some random typos, formatting/whitespace (#11128)
* Refactor parity_listStorageKeys with count parameter optional (#11124)
* Make EIP712Domain Fields Optional (#11103)
* EIP-712: bump version in prep for publishing (#11106)
* move StateResult to `common-types` (#11121)
* Deduplicate registrar contract & calling logic (#11110)
* Refactor return type of `BlockChainClient::code` #7098 (#11102)
* Switching sccache from local to Redis (#10971)
* SIMD Implementation for EIP-152 (#11056)
* Fix deprecated trait objects without an explicit `dyn` (#11112)
* [spec] fix rinkeby spec (#11108)
* Update to latest jsonrpc (#11111)
* use images from our registry (#11105)
* Correct EIP-712 encoding (#11092)
* [CI] check evmbin build (#11096)
* Update `kvdb`, `kvdb-rocksdb` and `h2` (#11091)
* [client]: Fix for incorrectly dropped consensus messages (#11082) (#11086)
* Update JSON tests to d4f86ecf4aa7c (#11054)
* fix(network): typo (#11088)
* [ethash] remove manual unrolling  (#11069)
* ethcore/res: activate Istanbul on Ropsten, Görli, Rinkeby, Kovan (#11068)
* [sync]: rust 2018 (#11067)
* [ethcore]: move client test types to test-helpers (#11062)
* [sync]: remove unused dependencies or make dev (#11061)
* [ethcore]: reduce re-exports (#11059)
* [evmbin] fix time formatting (#11060)
* Update hardcoded headers (foundation, classic, kovan,  xdai, ewc, ...) (#11053)
* cargo update -p eth-secp256k1 (#11052)
* ethcore: remove `test-helper feat` from build (#11047)
* Include test-helpers from ethjson (#11045)
* [ethcore]: cleanup dependencies (#11043)
* add more tx tests (#11038)
* Fix parallel transactions race-condition (#10995)
* [ethcore]: make it compile without `test-helpers` feature (#11036)
* Benchmarks for block verification (#11035)
* Move snapshot related traits to their proper place (#11012)
* cleanup json crate (#11027)
* [spec] add istanbul test spec (#11033)
* [json-spec] make blake2 pricing spec more readable (#11034)
* Add blake2_f precompile (#11017)
* Add new line after writing block to hex file. (#10984)
* fix: remove unused error-chain (#11028)
* fix: remove needless use of itertools (#11029)
* Convert `std::test` benchmarks to use Criterion (#10999)
* Fix block detail updating (#11015)
* [trace] introduce trace failed to Ext (#11019)
* cli: update usage and version headers (#10924)
* [private-tx] remove unused rand (#11024)
* Extract snapshot to own crate (#11010)
* Edit publish-onchain.sh to use https (#11016)
* EIP 1108: Reduce alt_bn128 precompile gas costs (#11008)
* Fix deadlock in `network-devp2p` (#11013)
* Implement EIP-1283 reenable transition, EIP-1706 and EIP-2200 (#10191)
* EIP 1884 Re-pricing of trie-size dependent operations (#10992)
* xDai chain support and nodes list update (#10989)
* [trace] check mem diff within range (#11002)
* EIP-1344 Add CHAINID op-code (#10983)
* Make ClientIoMessage generic over the Client (#10981)
* bump spin to 0.5.2 (#10996)
* fix compile warnings (#10993)
* Fix compilation on recent nightlies (#10991)
* [ipfs] Convert to edition 2018 (#10979)
* Extract spec to own crate (#10978)
* EIP 2028: transaction gas lowered from 68 to 16 (#10987)
* Extract engines to own crates (#10966)
* Configuration map of block reward contract addresses (#10875)
* Add a 2/3 quorum option to Authority Round. (#10909)
* Fix rlp decode for inline trie nodes. (#10980)
* Private contract migration and offchain state sync (#10748)
* manual publish jobs for releases, no changes for nightlies (#10977)
* Extract the Engine trait (#10958)
* Better error message for rpc gas price errors (#10931)
* [.gitlab.yml] cargo check ethcore benches (#10965)
* Verify transaction against its block during import (#10954)
* [evmbin] fix compilation (#10976)
* Update to latest trie version. (#10972)
* [blooms-db] Fix benchmarks (#10974)
* Fix ethcore/benches build. (#10964)
* tx-pool: accept local tx with higher gas price when pool full (#10901)
* Disable unsyncable expanse chain (#10926)
* Extract Machine from ethcore (#10949)
* removed redundant state_root function from spec, improve spec error types (#10955)
* Add support for Energy Web Foundation's new chains (#10957)
* [evmbin] add more tests to main.rs (#10956)
* Fix compiler warnings in util/io and upgrade to edition 2018 Upgrade mio to latest (#10953)
* unify loading spec && further spec cleanups (#10948)
* refactor: Refactor evmbin CLI (#10742)
* journaldb changes (#10929)
* Allow default block parameter to be blockHash (#10932)
* Enable sealing when engine is ready (#10938)
* Fix some warnings and typos. (#10941)
* Updated security@parity.io key (#10939)
* Change the return type of step_inner function. (#10940)
* get rid of hidden mutability of Spec (#10904)
* simplify BlockReward::reward implementation (#10906)
* Kaspersky AV whitelisting (#10919)
* additional arithmetic EVM opcode benchmarks (#10916)
* [Cargo.lock] cargo update -p crossbeam-epoch (#10921)
* Fixes incorrect comment. (#10913)
* Add file path to disk map write/read warnings (#10911)
* remove verify_transaction_unordered from engine (#10891)
* Avast whitelist script (#10900)
* cleanup ethcore ethereum module (#10899)
* Move more types out of ethcore (#10880)
* return block nonce when engine is clique (#10892)
* TransactionQueue::import accepts iterator (#10889)
* rename is_pruned to is_prunable (#10888)
* simplify create_address_scheme (#10890)
* Move DatabaseExtras back to trace (#10868)
* Update README.md and Changelogs (#10866)
* whisper is no longer a part of parity-ethereum repo (#10855)
* [ethash] remove mem::uninitialized (#10861)
* Docker images renaming (#10863)
* Move the substate module into ethcore/executive (#10867)
* Run cargo fix on a few of the worst offenders (#10854)
* removed redundant fork choice abstraction (#10849)
* Extract state-db from ethcore (#10858)
* Fix fork choice (#10837)
* Move more code into state-account (#10840)
* Remove compiler warning (#10865)
* [ethash] use static_assertions crate (#10860)
* EIP-1702: Generalized Account Versioning Scheme (#10771)
* ethcore-builtin (#10850)
* removed QueueError type (#10852)
* removed unused macros (#10851)
* bump crossbeam (#10848)
* removed unused trait PrivateNotify and unused Error types (#10847)
* make fn submit_seal more idiomatic (#10843)
* update parking-lot to 0.8 (#10845)
* Update version to 2.7.0 (#10846)
* update jsonrpc to 12.0 (#10841)
* Improve logging and cleanup in miner around block sealing (#10745)
* Extract AccountDB to account-db (#10839)
* test: Update Whisper test for invalid pool size (#10811)
* Extricate PodAccount and state Account to own crates (#10838)
* logs (#10817)
* refactor: whisper: Add type aliases and update rustdocs in message.rs (#10812)
* Break circular dependency between Client and Engine (part 1) (#10833)
* tests: Relates to #10655: Test instructions for Readme (#10835)
* refactor: Related #9459 - evmbin: replace untyped json! macro with fully typed serde serialization using Rust structs (#10657)
* idiomatic changes to PodState (#10834)
* Allow --nat extip:your.host.here.org (#10830)
* When updating the client or when called from RPC, sleep should mean sleep (#10814)
* Remove excessive warning (#10831)
* Fix typo in README.md (#10828)
* ethcore does not use byteorder (#10829)
* Better logging when backfilling ancient blocks fail (#10796)
* depends: Update wordlist to v1.3 (#10823)
* cargo update -p smallvec (#10822)
* replace memzero with zeroize crate (#10816)
* Don't repeat the logic from Default impl (#10813)
* removed additional_params method (#10818)
* Add Constantinople eips to the dev (instant_seal) config (#10809)
* removed redundant fmt::Display implementations (#10806)
* revert changes to .gitlab-ci.yml (#10807)
* Add filtering capability to `parity_pendingTransactions` (issue 8269) (#10506)
* removed EthEngine alias (#10805)
* wait a bit longer in should_check_status_of_request_when_its_resolved (#10808)
* Do not drop the peer with None difficulty (#10772)
* ethcore-bloom-journal updated to 2018 (#10804)
* ethcore-light uses bincode 1.1 (#10798)
* Fix a few typos and unused warnings. (#10803)
* updated project to ansi_term 0.11 (#10799)
* added new ropsten-bootnode and removed old one (#10794)
* updated price-info to edition 2018 (#10801)
* ethcore-network-devp2p uses igd 0.9 (#10797)
* updated parity-local-store to edition 2018 and removed redundant Error type (#10800)
* Cleanup unused vm dependencies (#10787)
* Removed redundant ethcore-service error type (#10788)
* Removed machine abstraction from ethcore (#10791)
* Updated blooms-db to rust 2018 and removed redundant deps (#10785)
* ethkey no longer uses byteorder (#10786)
* Log validator set changes in EpochManager (#10734)
* Treat empty account the same as non-exist accounts in EIP-1052 (#10775)
* docs: Update Readme with TOC, Contributor Guideline. Update Cargo package descriptions (#10652)
* Move Engine::register_client to be before other I/O handler registration (#10767)
* Print warnings when using dangerous settings for ValidatorSet (#10733)
* ethcore/res: activate atlantis classic hf on block 8772000 (#10766)
* refactor: Fix indentation (#10740)
* Updated Bn128PairingImpl to use optimized batch pairing  (#10765)
* fix: aura don't add `SystemTime::now()` (#10720)
* Initialize private tx logger only if private tx functionality is enabled (#10758)
* Remove unused code (#10762)
* Remove calls to heapsize (#10432)
* [devp2p] Update to 2018 edition (#10716)
* Add a way to signal shutdown to snapshotting threads (#10744)
* Enable aesni (#10756)
* remove support of old SS db formats (#10757)
* [devp2p] Don't use `rust-crypto` (#10714)
* updater: fix static id hashes initialization (#10755)
* Use fewer threads for snapshotting (#10752)
* Die error_chain, die (#10747)
* Fix deprectation warnings on nightly (#10746)
* fix docker tags for publishing (#10741)
* DevP2p: Get node IP address and udp port from Socket, if not included in PING packet (#10705)
* ethcore: enable ECIP-1054 for classic (#10731)
* Stop breaking out of loop if a non-canonical hash is found (#10729)
* Refactor Clique stepping (#10691)
* Use RUSTFLAGS to set the optimization level (#10719)
* SecretStore: non-blocking wait of session completion (#10303)
* removed secret_store folder (#10722)
* SecretStore: expose restore_key_public in HTTP API (#10241)
* Revert "enable lto for release builds (#10717)" (#10721)
* enable lto for release builds (#10717)
* Merge `Notifier` and `TransactionsPoolNotifier` (#10591)
* [devp2p] Fix warnings and re-org imports (#10710)
* Upgrade ethereum types (#10670)
* introduce MissingParent Error, fixes #10699 (#10700)
* Update publishing (#10644)
* Upgrade to parity-crypto 0.4 (#10650)
* new image (#10673)
* Add SealingState; don't prepare block when not ready. (#10529)
* Fix compiler warning (that will become an error) (#10683)
* add_sync_notifier in EthPubSubClient holds on to a Client for too long (#10689)
* Don't panic if extra_data is longer than VANITY_LENGTH (#10682)
* docs: evmbin - Update Rust docs (#10658)
* Remove annoying compiler warnings (#10679)
* Reset blockchain properly (#10669)
* Remove support for hardware wallets (#10678)
* [CI] allow cargo audit to fail (#10676)
* docs: Add ProgPoW Rust docs to ethash module (#10653)
* fix: Move PR template into .github/ folder (#10663)
* docs: Add PR template (#10654)
* Trivial journal for private transactions (#10056)
* fix(compilation warnings) (#10649)
* [whisper] Move needed aes_gcm crypto in-crate (#10647)
* Adds parity_getRawBlockByNumber, parity_submitRawBlock (#10609)
* Fix rinkeby petersburg fork (#10632)
* ci: publish docs debug (#10638)
* Fix publish docs (#10635)
* Update kovan.json to switch validator set to POA Consensus Contracts (#10628)
* [ethcore] remove error_chain (#10616)
* Remove unused import (#10615)
* evm: add some mulmod benches (#10600)
* Clique: zero-fill extradata when the supplied value is less than 32 bytes in length (#10605)
* Constantinople HF on POA Core (#10606)
* adds rpc error message for --no-ancient-blocks (#10608)
* Allow CORS requests in Secret Store API (#10584)
* update bootnodes (#10595)
* sccache logs to stdout (#10596)
* fix(whisper expiry): current time + work + ttl (#10587)
* CI improvements (#10579)
* Watch transactions pool (#10558)
* fix(evmbin): make benches compile again (#10586)
* fix issue with compilation when 'slow-blocks' feature enabled (#10585)
* Reject crazy timestamps instead of truncating. (#10574)
* Node table limiting and cache for node filter (#10288)
* fix(light cull): poll light cull instead of timer (#10559)
* Update Issue Template to direct security issue to email (#10562)
* RPC: Implements eth_subscribe("syncing") (#10311)
* Explicitly enable or disable Stratum in config file (Issue 9785) (#10521)
* version: bump master to 2.6 (#10560)