Ethan Buchman
7 years ago
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CHANGELOG.md
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| # Changelog | |||
| ## 0.9.0 (March 6, 2017) | |||
| BREAKING CHANGES: | |||
| - Update ABCI to v0.4.0, where Query is now `Query(RequestQuery) ResponseQuery`, enabling precise proofs at particular heights: | |||
| ``` | |||
| message RequestQuery{ | |||
| bytes data = 1; | |||
| string path = 2; | |||
| uint64 height = 3; | |||
| bool prove = 4; | |||
| } | |||
| message ResponseQuery{ | |||
| CodeType code = 1; | |||
| int64 index = 2; | |||
| bytes key = 3; | |||
| bytes value = 4; | |||
| bytes proof = 5; | |||
| uint64 height = 6; | |||
| string log = 7; | |||
| } | |||
| ``` | |||
| - `BlockMeta` data type unifies its Hash and PartSetHash under a `BlockID`: | |||
| ``` | |||
| type BlockMeta struct { | |||
| BlockID BlockID `json:"block_id"` // the block hash and partsethash | |||
| Header *Header `json:"header"` // The block's Header | |||
| } | |||
| ``` | |||
| - `tendermint gen_validator` command output is now pure JSON | |||
| - `ValidatorSet` data type: | |||
| - expose a `Proposer` field. Note this means the `Proposer` is persisted with the `State`. | |||
| - change `.Proposer()` to `.GetProposer()` | |||
| FEATURES: | |||
| - New RPC endpoint `/commit?height=X` returns header and commit for block at height `X` | |||
| - Client API for each endpoint, including mocks for testing | |||
| IMPROVEMENTS: | |||
| - `Node` is now a `BaseService` | |||
| - Simplified starting Tendermint in-process from another application | |||
| - Better organized Makefile | |||
| - Scripts for auto-building binaries across platforms | |||
| - Docker image improved, slimmed down (using Alpine), and changed from tendermint/tmbase to tendermint/tendermint | |||
| - New repo files: `CONTRIBUTING.md`, Github `ISSUE_TEMPLATE`, `CHANGELOG.md` | |||
| - Improvements on CircleCI for managing build/test artifacts | |||
| - Handshake replay is doen through the consensus package, possibly using a mockApp | |||
| - Graceful shutdown of RPC listeners | |||
| - Tests for the PEX reactor and DialSeeds | |||
| BUG FIXES: | |||
| - Check peer.Send for failure before updating PeerState in consensus | |||
| - Fix panic in `/dial_seeds` with invalid addresses | |||
| - Fix proposer selection logic in ValidatorSet by taking the address into account in the `accumComparable` | |||
| - Fix inconcistencies with `ValidatorSet.Proposer` across restarts by persisting it in the `State` | |||
| ## 0.8.0 (January 13, 2017) | |||
| BREAKING CHANGES: | |||
| - New data type `BlockID` to represent blocks: | |||
| ``` | |||
| type BlockID struct { | |||
| Hash []byte `json:"hash"` | |||
| PartsHeader PartSetHeader `json:"parts"` | |||
| } | |||
| ``` | |||
| - `Vote` data type now includes validator address and index: | |||
| ``` | |||
| type Vote struct { | |||
| ValidatorAddress []byte `json:"validator_address"` | |||
| ValidatorIndex int `json:"validator_index"` | |||
| Height int `json:"height"` | |||
| Round int `json:"round"` | |||
| Type byte `json:"type"` | |||
| BlockID BlockID `json:"block_id"` // zero if vote is nil. | |||
| Signature crypto.Signature `json:"signature"` | |||
| } | |||
| ``` | |||
| - Update TMSP to v0.3.0, where it is now called ABCI and AppendTx is DeliverTx | |||
| - Hex strings in the RPC are now "0x" prefixed | |||
| FEATURES: | |||
| - New message type on the ConsensusReactor, `Maj23Msg`, for peers to alert others they've seen a Maj23, | |||
| in order to track and handle conflicting votes intelligently to prevent Byzantine faults from causing halts: | |||
| ``` | |||
| type VoteSetMaj23Message struct { | |||
| Height int | |||
| Round int | |||
| Type byte | |||
| BlockID types.BlockID | |||
| } | |||
| ``` | |||
| - Configurable block part set size | |||
| - Validator set changes | |||
| - Optionally skip TimeoutCommit if we have all the votes | |||
| - Handshake between Tendermint and App on startup to sync latest state and ensure consistent recovery from crashes | |||
| - GRPC server for BroadcastTx endpoint | |||
| IMPROVEMENTS: | |||
| - Less verbose logging | |||
| - Better test coverage (37% -> 49%) | |||
| - Canonical SignBytes for signable types | |||
| - Write-Ahead Log for Mempool and Consensus via go-autofile | |||
| - Better in-process testing for the consensus reactor and byzantine faults | |||
| - Better crash/restart testing for individual nodes at preset failure points, and of networks at arbitrary points | |||
| - Better abstraction over timeout mechanics | |||
| BUG FIXES: | |||
| - Fix memory leak in mempool peer | |||
| - Fix panic on POLRound=-1 | |||
| - Actually set the CommitTime | |||
| - Actually send BeginBlock message | |||
| - Fix a liveness issues caused by Byzantine proposals/votes. Uses the new `Maj23Msg`. | |||
| ## 0.7.4 (December 14, 2016) | |||
| FEATURES: | |||
| - Enable the Peer Exchange reactor with the `--pex` flag for more resilient gossip network (feature still in development, beware dragons) | |||
| IMPROVEMENTS: | |||
| - Remove restrictions on RPC endpoint `/dial_seeds` to enable manual network configuration | |||
| ## 0.7.3 (October 20, 2016) | |||
| IMPROVEMENTS: | |||
| - Type safe FireEvent | |||
| - More WAL/replay tests | |||
| - Cleanup some docs | |||
| BUG FIXES: | |||
| - Fix deadlock in mempool for synchronous apps | |||
| - Replay handles non-empty blocks | |||
| - Fix race condition in HeightVoteSet | |||
| ## 0.7.2 (September 11, 2016) | |||
| BUG FIXES: | |||
| - Set mustConnect=false so tendermint will retry connecting to the app | |||
| ## 0.7.1 (September 10, 2016) | |||
| FEATURES: | |||
| - New TMSP connection for Query/Info | |||
| - New RPC endpoints: | |||
| - `tmsp_query` | |||
| - `tmsp_info` | |||
| - Allow application to filter peers through Query (off by default) | |||
| IMPROVEMENTS: | |||
| - TMSP connection type enforced at compile time | |||
| - All listen/client urls use a "tcp://" or "unix://" prefix | |||
| BUG FIXES: | |||
| - Save LastSignature/LastSignBytes to `priv_validator.json` for recovery | |||
| - Fix event unsubscribe | |||
| - Fix fastsync/blockchain reactor | |||
| ## 0.7.0 (August 7, 2016) | |||
| BREAKING CHANGES: | |||
| - Strict SemVer starting now! | |||
| - Update to ABCI v0.2.0 | |||
| - Validation types now called Commit | |||
| - NewBlock event only returns the block header | |||
| FEATURES: | |||
| - TMSP and RPC support TCP and UNIX sockets | |||
| - Addition config options including block size and consensus parameters | |||
| - New WAL mode `cswal_light`; logs only the validator's own votes | |||
| - New RPC endpoints: | |||
| - for starting/stopping profilers, and for updating config | |||
| - `/broadcast_tx_commit`, returns when tx is included in a block, else an error | |||
| - `/unsafe_flush_mempool`, empties the mempool | |||
| IMPROVEMENTS: | |||
| - Various optimizations | |||
| - Remove bad or invalidated transactions from the mempool cache (allows later duplicates) | |||
| - More elaborate testing using CircleCI including benchmarking throughput on 4 digitalocean droplets | |||
| BUG FIXES: | |||
| - Various fixes to WAL and replay logic | |||
| - Various race conditions | |||