Friendly reminder: We have a [bug bounty program](https://hackerone.com/tendermint).
### BREAKING CHANGES
- [evidence] [\#5610](https://github.com/tendermint/tendermint/issues/5610) Make it possible for abci evidence to be formed from tm evidence (@cmwaters)
- This makes breaking changes to `DuplicateVoteEvidence` and `LightClientAttackEvidence`
such that ABCI evidence can be reconstructed from these types, and is necessary for nodes
to successfully sync to block heights with recorded evidence
- [version] [\#5527](https://github.com/tendermint/tendermint/pull/5527) We've updated our release tooling, and `version.Version` is now `version.TMCoreSemVer` (@marbar3778)
### IMPROVEMENTS
- [statesync] [\#5516](https://github.com/tendermint/tendermint/issues/5516) Check that all heights necessary to rebuild state for a snapshot exist before adding the snapshot to the pool. (@erikgrinaker)
- [blockchain/v2] [\#5553](https://github.com/tendermint/tendermint/issues/5553) Make the removal of an already removed peer a noop (@melekes)
- [evidence] [\#5574](https://github.com/tendermint/tendermint/issues/5574) Fix bug where node sends committed evidence to peer (@cmwaters)
- [privval] [\#5583](https://github.com/tendermint/tendermint/issues/5583) Make `Vote`, `Proposal`&`PubKey` non-nullable in Responses (@marbar3778)
- [light] [\#5392](https://github.com/tendermint/tendermint/issues/5392) Make light client home directory same as the full node default (@cmwaters)
## v0.34.0-rc5
*October 13, 2020*
Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermint).
### BREAKING CHANGES
- CLI/RPC/Config
- Apps
- [ABCI] \#5447 Remove `SetOption` method from `ABCI.Client` interface
- P2P Protocol
- Go API
- [evidence] [\#5499](https://github.com/tendermint/tendermint/pull/5449) `MaxNum` evidence consensus parameter has been changed to `MaxBytes` (@cmwaters)
- Blockchain Protocol
### FEATURES
### IMPROVEMENTS
- [privval] \#5434 `NewSignerDialerEndpoint` can now be given `SignerServiceEndpointOption` (@erikgrinaker)
- [config] \#5433 `statesync.rpc_servers` is now properly set when writing the configuration file (@erikgrinaker)
Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermint).
### BREAKING CHANGES
- CLI/RPC/Config
- [config] [\#5315](https://github.com/tendermint/tendermint/issues/5315) Rename `prof_laddr` to `pprof_laddr` and move it to `rpc` section (@melekes)
- [rpc] [\#5315](https://github.com/tendermint/tendermint/issues/5315) Remove `/unsafe_start_cpu_profiler`, `/unsafe_stop_cpu_profiler` and `/unsafe_write_heap_profile`. Please use pprof functionality instead (@melekes)
- [rpc/client, rpc/jsonrpc/client] [\#5347](https://github.com/tendermint/tendermint/issues/5347) All client methods now accept `context.Context` as 1st param (@melekes)
- Apps
- [abci] [\#5324](https://github.com/tendermint/tendermint/pull/5324) abci evidence type is an enum with two types of possible evidence (@cmwaters)
- P2P Protocol
- [mempool] [\#5321](https://github.com/tendermint/tendermint/issues/5321) Batch transactions when broadcasting them to peers (@melekes) `MaxBatchBytes` new config setting defines the max size of one batch.
- [evidence] [\#5361](https://github.com/tendermint/tendermint/pull/5361) Add LightClientAttackEvidence and change evidence interface (@cmwaters)
- [params] [\#5319](https://github.com/tendermint/tendermint/issues/5319) Remove `ProofofTrialPeriod` from evidence params (@marbar3778)
- [light] [\#5347](https://github.com/tendermint/tendermint/issues/5347) `NewClient`, `NewHTTPClient`, `VerifyHeader` and `VerifyLightBlockAtHeight` now accept `context.Context` as 1st param (@melekes)
- [state] [\#5348](https://github.com/tendermint/tendermint/issues/5348) Define an Interface for the state store. (@marbar3778)
### FEATURES
- [privval] [\#5239](https://github.com/tendermint/tendermint/issues/5239) Add `chainID` to requests from client. (@marbar3778)
- [config] [\#5147](https://github.com/tendermint/tendermint/issues/5147) Add `--consensus.double_sign_check_height` flag and `DoubleSignCheckHeight` config variable. See [ADR-51](https://github.com/tendermint/tendermint/blob/master/docs/architecture/adr-051-double-signing-risk-reduction.md)
- [light] [\#5298](https://github.com/tendermint/tendermint/pull/5298) Morph validator set and signed header into light block (@cmwaters)
- [evidence] [\#5361](https://github.com/tendermint/tendermint/pull/5361) Add LightClientAttackEvidence and refactor evidence lifecycle (@cmwaters)
### IMPROVEMENTS
- [blockchain] [\#5278](https://github.com/tendermint/tendermint/issues/5278) Verify only +2/3 of the signatures in a block when fast syncing. (@marbar3778)
- [rpc] [\#5293](https://github.com/tendermint/tendermint/issues/5293) `/dial_peers` has added `private` and `unconditional` as parameters. (@marbar3778)
- [types] [\#5340](https://github.com/tendermint/tendermint/issues/5340) Add check in `Header.ValidateBasic()` for block protocol version (@marbar3778)
- [statesync] [\#5399](https://github.com/tendermint/tendermint/issues/5399) Add `discovery_time` configuration setting, and reduce default to 15s. (@erikgrinaker)
### BUG FIXES
- [blockchain] [\#5249](https://github.com/tendermint/tendermint/issues/5249) Fix fast sync halt with initial height > 1 (@erikgrinaker)
- [statesync] [\#5302](https://github.com/tendermint/tendermint/issues/5302) Fix genesis state propagation to state sync routine (@erikgrinaker)
- [statesync] [\#5320](https://github.com/tendermint/tendermint/issues/5320) Broadcast snapshot request to all pre-connected peers on start (@erikgrinaker)
- [consensus] [\#5329](https://github.com/tendermint/tendermint/issues/5329) Fix wrong proposer schedule for validators returned by `InitChain` (@erikgrinaker)
- [store] [\#5382](https://github.com/tendermint/tendermint/issues/5382) Fix race conditions when loading/saving/pruning blocks (@erikgrinaker)
- [abci] [\#5395](https://github.com/tendermint/tendermint/issues/5395) Fix socket client error for state sync responses (@erikgrinaker)
## v0.34.0-rc3
*August 13, 2020*
Special thanks to external contributors on this release: @SadPencil
Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermint).
### BREAKING CHANGES:
- Blockchain Protocol
- [\#5193](https://github.com/tendermint/tendermint/pull/5193) Header hashes are no longer empty for empty inputs, notably `DataHash`, `EvidenceHash`, and `LastResultsHash` (@erikgrinaker)
- Go API
- [evidence] [\#5181](https://github.com/tendermint/tendermint/pull/5181) Phantom validator evidence was removed (@cmwaters)
- [merkle] [\#5193](https://github.com/tendermint/tendermint/pull/5193) `HashFromByteSlices` and `ProofsFromByteSlices` now return a hash for empty inputs, following RFC6962 (@erikgrinaker)
- [crypto] [\#5214](https://github.com/tendermint/tendermint/issues/5214) Change `GenPrivKeySecp256k1` to `GenPrivKeyFromSecret` to be consistent with other keys (@marbar3778)
- [state] [\#5191](https://github.com/tendermint/tendermint/pull/5191) Add `State.InitialHeight` field to record initial block height, must be `1` (not `0`) to start from 1 (@erikgrinaker)
- [state] [\#5231](https://github.com/tendermint/tendermint/issues/5231) `LoadStateFromDBOrGenesisFile()` and `LoadStateFromDBOrGenesisDoc()` no longer saves the state in the database if not found, the genesis state is simply returned (@erikgrinaker)
- [crypto] [\#5236](https://github.com/tendermint/tendermint/issues/5236) `VerifyBytes` is now `VerifySignature` on the `crypto.PubKey` interface (@marbar3778)
### FEATURES:
- [abci] [\#5174](https://github.com/tendermint/tendermint/pull/5174) Add amnesia evidence and remove mock and potential amnesia evidence from abci (@cmwaters)
- [abci] [\#5191](https://github.com/tendermint/tendermint/pull/5191) Add `InitChain.InitialHeight` field giving the initial block height (@erikgrinaker)
- [abci] [\#5227](https://github.com/tendermint/tendermint/pull/5227) Add `ResponseInitChain.app_hash` which is recorded in genesis block (@erikgrinaker)
- [genesis] [\#5191](https://github.com/tendermint/tendermint/pull/5191) Add `initial_height` field to specify the initial chain height (defaults to `1`) (@erikgrinaker)
- [db] [\#5233](https://github.com/tendermint/tendermint/issues/5233) Add support for `badgerdb` database backend (@erikgrinaker)
### IMPROVEMENTS:
- [evidence] [\#5219](https://github.com/tendermint/tendermint/pull/5219) Change the source of evidence time to block time (@cmwaters)
### BUG FIXES:
- [evidence] [\#5170](https://github.com/tendermint/tendermint/pull/5170) change abci evidence time to the time the infraction happened not the time the evidence was committed on the block (@cmwaters)
- [node] [\#5211](https://github.com/tendermint/tendermint/issues/5211) Don't attempt fast sync when the ABCI application specifies ourself as the only validator via `InitChain` (@erikgrinaker)
- [libs/rand] [\#5215](https://github.com/tendermint/tendermint/pull/5215) Fix out-of-memory error on unexpected argument of Str() (@SadPencil)
## v0.34.0-rc2
*July 30, 2020*
Holy smokes, this is a big one! For a more reader-friendly overview of the changes in 0.34.0
(and of the changes you need to accommodate as a user), check out [UPGRADING.md](UPGRADING.md).
Special thanks to external contributors on this release: @james-ray, @fedekunze, @favadi, @alessio,
@joe-bowman, @cuonglm
@joe-bowman, @cuonglm, @SadPencil and @dongsam.
Friendly reminder, we have a [bug bounty program](https://hackerone.com/tendermint).
And as always, friendly reminder, that we have a [bug bounty program](https://hackerone.com/tendermint).
### BREAKING CHANGES:
### BREAKING CHANGES
- CLI/RPC/Config
- [evidence] [\#4959](https://github.com/tendermint/tendermint/issues/4959) Add json tags to `DuplicateVoteEvidence`
- [light] [\#4946](https://github.com/tendermint/tendermint/issues/4946) `tendermint lite` cmd has been renamed to `tendermint light`
- [privval] [\#4582](https://github.com/tendermint/tendermint/issues/4582) `round` in private_validator_state.json is no longer a string in json it is now a number
- [config] [\#5315](https://github.com/tendermint/tendermint/pull/5315) Rename `prof_laddr` to `pprof_laddr` and move it to `rpc` section (@melekes)
- [evidence] [\#4959](https://github.com/tendermint/tendermint/pull/4959) Add JSON tags to `DuplicateVoteEvidence` (@marbar3778)
- [light] [\#4946](https://github.com/tendermint/tendermint/pull/4946) `tendermint lite` command has been renamed to `tendermint light` (@marbar3778)
- [privval] [\#4582](https://github.com/tendermint/tendermint/pull/4582) `round` in private_validator_state.json is no longer JSON string; instead it is a number (@marbar3778)
- [rpc] [\#4792](https://github.com/tendermint/tendermint/pull/4792) `/validators` are now sorted by voting power (@melekes)
- [rpc] [\#4937](https://github.com/tendermint/tendermint/issues/4937) Return an error when `page` pagination param is 0 in `/validators`, `tx_search` (@melekes)
- [rpc] [\#5137](https://github.com/tendermint/tendermint/issues/5137) The json tags of `gasWanted`&`gasUsed` in `ResponseCheckTx`&`ResponseDeliverTx` have been made snake_case. (`gas_wanted` &`gas_used`)
- [rpc] [\#4947](https://github.com/tendermint/tendermint/pull/4947) Return an error when `page` pagination param is 0 in `/validators`, `tx_search` (@melekes)
- [rpc] [\#5137](https://github.com/tendermint/tendermint/pull/5137) JSON tags of `gasWanted` and `gasUsed` in `ResponseCheckTx` and `ResponseDeliverTx` have been made snake_case (`gas_wanted` and `gas_used`) (@marbar3778)
- [rpc] [\#5315](https://github.com/tendermint/tendermint/pull/5315) Remove `/unsafe_start_cpu_profiler`, `/unsafe_stop_cpu_profiler` and `/unsafe_write_heap_profile`. Please use pprof functionality instead (@melekes)
- [rpc/client, rpc/jsonrpc/client] [\#5347](https://github.com/tendermint/tendermint/pull/5347) All client methods now accept `context.Context` as 1st param (@melekes)
- Apps
- [abci] [\#4704](https://github.com/tendermint/tendermint/pull/4704) Add ABCI methods `ListSnapshots`, `LoadSnapshotChunk`, `OfferSnapshot`, and `ApplySnapshotChunk` for state sync snapshots. `ABCIVersion` bumped to 0.17.0.
- [abci] [\#4989](https://github.com/tendermint/tendermint/issues/4989) `Proof` within `ResponseQuery` has been renamed to `ProofOps`
- [abci] `CheckTxType` Protobuf enum names are now uppercase, to follow Protobuf style guide
- [abci] [\#4704](https://github.com/tendermint/tendermint/pull/4704) Add ABCI methods `ListSnapshots`, `LoadSnapshotChunk`, `OfferSnapshot`, and `ApplySnapshotChunk` for state sync snapshots. `ABCIVersion` bumped to 0.17.0. (@erikgrinaker)
- [abci] [\#4989](https://github.com/tendermint/tendermint/pull/4989) `Proof` within `ResponseQuery` has been renamed to `ProofOps` (@marbar3778)
- [abci] [\#5096](https://github.com/tendermint/tendermint/pull/5096) `CheckTxType` Protobuf enum names are now uppercase, to follow Protobuf style guide (@erikgrinaker)
- [abci] [\#5324](https://github.com/tendermint/tendermint/pull/5324) ABCI evidence type is now an enum with two types of possible evidence (@cmwaters)
- P2P Protocol
- [blockchain] [\#4637](https://github.com/tendermint/tendermint/issues/4637) Migrate blockchain reactor(s) to Protobuf encoding
- [evidence] [\#4949](https://github.com/tendermint/tendermint/issues/4949) Migrate evidence reactor to Protobuf encoding
- [mempool] [\#4940](https://github.com/tendermint/tendermint/issues/4940) Migrate mempool from to Protobuf encoding
- [p2p/pex] [\#4973](https://github.com/tendermint/tendermint/issues/4973) Migrate `p2p/pex` reactor to Protobuf encoding
- [statesync] [\#4943](https://github.com/tendermint/tendermint/issues/4943) Migrate state sync reactor to Protobuf encoding
- [blockchain] [\#4637](https://github.com/tendermint/tendermint/pull/4637) Migrate blockchain reactor(s) to Protobuf encoding (@marbar3778)
- [evidence] [\#4949](https://github.com/tendermint/tendermint/pull/4949) Migrate evidence reactor to Protobuf encoding (@marbar3778)
- [mempool] [\#4940](https://github.com/tendermint/tendermint/pull/4940) Migrate mempool from to Protobuf encoding (@marbar3778)
- [mempool] [\#5321](https://github.com/tendermint/tendermint/pull/5321) Batch transactions when broadcasting them to peers (@melekes)
- `MaxBatchBytes` new config setting defines the max size of one batch.
- [p2p/pex] [\#4973](https://github.com/tendermint/tendermint/pull/4973) Migrate `p2p/pex` reactor to Protobuf encoding (@marbar3778)
- [statesync] [\#4943](https://github.com/tendermint/tendermint/pull/4943) Migrate state sync reactor to Protobuf encoding (@marbar3778)
- Blockchain Protocol
- [evidence] [\#4780](https://github.com/tendermint/tendermint/pull/4780) Cap evidence to an absolute number (@cmwaters)
- Add `max_num` to consensus evidence parameters (default: 50 items).
- [evidence] [\#4725](https://github.com/tendermint/tendermint/issues/4725) Remove `Pubkey` from `DuplicateVoteEvidence`
- [state] [\#4845](https://github.com/tendermint/tendermint/issues/4845) Include `GasWanted` and `GasUsed` into `LastResultsHash` (@melekes)
- [evidence] [\#4725](https://github.com/tendermint/tendermint/pull/4725) Remove `Pubkey` from `DuplicateVoteEvidence` (@marbar3778)
- [evidence] [\#5499](https://github.com/tendermint/tendermint/pull/5449) Cap evidence to a maximum number of bytes (supercedes [\#4780](https://github.com/tendermint/tendermint/pull/4780)) (@cmwaters)
- [merkle] [\#5193](https://github.com/tendermint/tendermint/pull/5193) Header hashes are no longer empty for empty inputs, notably `DataHash`, `EvidenceHash`, and `LastResultsHash` (@erikgrinaker)
- [state] [\#4845](https://github.com/tendermint/tendermint/pull/4845) Include `GasWanted` and `GasUsed` into `LastResultsHash` (@melekes)
- [types] [\#4792](https://github.com/tendermint/tendermint/pull/4792) Sort validators by voting power to enable faster commit verification (@melekes)
- On-disk serialization
- [state] [\#4679](https://github.com/tendermint/tendermint/issues/4679) Migrate state module to Protobuf encoding
- [state] [\#4679](https://github.com/tendermint/tendermint/pull/4679) Migrate state module to Protobuf encoding (@marbar3778)
- `BlockStoreStateJSON` is now `BlockStoreState` and is encoded as binary in the database
- [store] [\#4778](https://github.com/tendermint/tendermint/issues/4778) Migrate store module to Protobuf encoding
- [store] [\#4778](https://github.com/tendermint/tendermint/pull/4778) Migrate store module to Protobuf encoding (@marbar3778)
- Light client, private validator
- [light] [\#4964](https://github.com/tendermint/tendermint/issues/4964) Migrate light module migration to Protobuf encoding
- [privval] [\#4985](https://github.com/tendermint/tendermint/issues/4985) Migrate `privval` module to Protobuf encoding
- [consensus] [\#4582](https://github.com/tendermint/tendermint/pull/4582) RoundState: `Round`, `LockedRound`&`CommitRound` are now `int32` (@marbar3778)
- [consensus] [\#4582](https://github.com/tendermint/tendermint/pull/4582) HeightVoteSet: `round` is now `int32` (@marbar3778)
- [crypto] [\#4721](https://github.com/tendermint/tendermint/pull/4721) Remove `SimpleHashFromMap()` and `SimpleProofsFromMap()` (@erikgrinaker)
- [crypto] [\#4940](https://github.com/tendermint/tendermint/issues/4940) All keys have become `[]byte` instead of `[<size>]byte`. The byte method no longer returns the marshaled value but just the `[]byte` form of the data.
- [crypto] \4988 Removal of key type multisig
- [crypto] [\#4940](https://github.com/tendermint/tendermint/pull/4940) All keys have become `[]byte` instead of `[<size>]byte`. The byte method no longer returns the marshaled value but just the `[]byte` form of the data. (@marbar3778)
- [crypto] [\#4988](https://github.com/tendermint/tendermint/pull/4988) Removal of key type multisig (@marbar3778)
- The key has been moved to the [Cosmos-SDK](https://github.com/cosmos/cosmos-sdk/blob/master/crypto/types/multisig/multisignature.go)
- [crypto] [\#4989](https://github.com/tendermint/tendermint/issues/4989) Remove `Simple` prefixes from `SimpleProof`, `SimpleValueOp`&`SimpleProofNode`.
- [crypto] [\#4989](https://github.com/tendermint/tendermint/pull/4989) Remove `Simple` prefixes from `SimpleProof`, `SimpleValueOp`&`SimpleProofNode`. (@marbar3778)
- `merkle.Proof` has been renamed to `ProofOps`.
- Protobuf messages `Proof`&`ProofOp` has been moved to `proto/crypto/merkle`
- `SimpleHashFromByteSlices` has been renamed to `HashFromByteSlices`
- `SimpleHashFromByteSlicesIterative` has been renamed to `HashFromByteSlicesIterative`
- `SimpleProofsFromByteSlices` has been renamed to `ProofsFromByteSlices`
- [crypto] [\#4941](https://github.com/tendermint/tendermint/issues/4941) Remove suffixes from all keys.
- [crypto] [\#4941](https://github.com/tendermint/tendermint/pull/4941) Remove suffixes from all keys. (@marbar3778)
- ed25519: type `PrivKeyEd25519` is now `PrivKey`
- ed25519: type `PubKeyEd25519` is now `PubKey`
- secp256k1: type`PrivKeySecp256k1` is now `PrivKey`
- secp256k1: type`PubKeySecp256k1` is now `PubKey`
- sr25519: type `PrivKeySr25519` is now `PrivKey`
- sr25519: type `PubKeySr25519` is now `PubKey`
- multisig: type `PubKeyMultisigThreshold` is now `PubKey`
- [libs] [\#4831](https://github.com/tendermint/tendermint/issues/4831) Remove `Bech32` pkg from Tendermint. This pkg now lives in the [cosmos-sdk](https://github.com/cosmos/cosmos-sdk/tree/4173ea5ebad906dd9b45325bed69b9c655504867/types/bech32)
- [rpc/client] [\#4947](https://github.com/tendermint/tendermint/issues/4947) `Validators`, `TxSearch``page`/`per_page` params become pointers (@melekes)
- `UnconfirmedTxs``limit` param is a pointer
- [proto] [\#5025](https://github.com/tendermint/tendermint/issues/5025) All proto files have been moved to `/proto` directory.
- [crypto] [\#5214](https://github.com/tendermint/tendermint/pull/5214) Change `GenPrivKeySecp256k1` to `GenPrivKeyFromSecret` to be consistent with other keys (@marbar3778)
- [crypto] [\#5236](https://github.com/tendermint/tendermint/pull/5236) `VerifyBytes` is now `VerifySignature` on the `crypto.PubKey` interface (@marbar3778)
- [evidence] [\#5361](https://github.com/tendermint/tendermint/pull/5361) Add LightClientAttackEvidence and change evidence interface (@cmwaters)
- [libs] [\#4831](https://github.com/tendermint/tendermint/pull/4831) Remove `Bech32` pkg from Tendermint. This pkg now lives in the [cosmos-sdk](https://github.com/cosmos/cosmos-sdk/tree/4173ea5ebad906dd9b45325bed69b9c655504867/types/bech32) (@marbar3778)
- [light] [\#5347](https://github.com/tendermint/tendermint/pull/5347) `NewClient`, `NewHTTPClient`, `VerifyHeader` and `VerifyLightBlockAtHeight` now accept `context.Context` as 1st param (@melekes)
- [merkle] [\#5193](https://github.com/tendermint/tendermint/pull/5193) `HashFromByteSlices` and `ProofsFromByteSlices` now return a hash for empty inputs, following RFC6962 (@erikgrinaker)
- [proto] [\#5025](https://github.com/tendermint/tendermint/pull/5025) All proto files have been moved to `/proto` directory. (@marbar3778)
- Using the recommended the file layout from buf, [see here for more info](https://buf.build/docs/lint-checkers#file_layout)
- [state] [\#4679](https://github.com/tendermint/tendermint/issues/4679) `TxResult` is a Protobuf type defined in `abci` types directory
- [types] [\#4939](https://github.com/tendermint/tendermint/issues/4939) `SignedMsgType` has moved to a Protobuf enum types
- [types] [\#4962](https://github.com/tendermint/tendermint/issues/4962) `ConsensusParams`, `BlockParams`, `EvidenceParams`, `ValidatorParams`&`HashedParams` are now Protobuf types
- [types] [\#4852](https://github.com/tendermint/tendermint/issues/4852) Vote & Proposal `SignBytes` is now func `VoteSignBytes`&`ProposalSignBytes`
- [types] [\#5029](https://github.com/tendermint/tendermint/issues/5029) Rename all values from `PartsHeader` to `PartSetHeader` to have consistency
- [types] [\#4939](https://github.com/tendermint/tendermint/issues/4939) `Total` in `Parts`&`PartSetHeader` has been changed from a `int` to a `uint32`
- [types] [\#4939](https://github.com/tendermint/tendermint/issues/4939) Vote: `ValidatorIndex`&`Round` are now `int32`
- [types] [\#4939](https://github.com/tendermint/tendermint/issues/4939) Proposal: `POLRound`&`Round` are now `int32`
- [types] [\#4939](https://github.com/tendermint/tendermint/issues/4939) Block: `Round` is now `int32`
- [consensus] [\#4582](https://github.com/tendermint/tendermint/issues/4582) RoundState: `Round`, `LockedRound`&`CommitRound` are now `int32`
- [consensus] [\#4582](https://github.com/tendermint/tendermint/issues/4582) HeightVoteSet: `round` is now `int32`
- [state] [\#4679](https://github.com/tendermint/tendermint/pull/4679) `TxResult` is a Protobuf type defined in `abci` types directory (@marbar3778)
- [state] [\#5191](https://github.com/tendermint/tendermint/pull/5191) Add `State.InitialHeight` field to record initial block height, must be `1` (not `0`) to start from 1 (@erikgrinaker)
- [state] [\#5231](https://github.com/tendermint/tendermint/pull/5231) `LoadStateFromDBOrGenesisFile()` and `LoadStateFromDBOrGenesisDoc()` no longer saves the state in the database if not found, the genesis state is simply returned (@erikgrinaker)
- [state] [\#5348](https://github.com/tendermint/tendermint/pull/5348) Define an Interface for the state store. (@marbar3778)
- [types] [\#4939](https://github.com/tendermint/tendermint/pull/4939) `SignedMsgType` has moved to a Protobuf enum types (@marbar3778)
- [types] [\#4962](https://github.com/tendermint/tendermint/pull/4962) `ConsensusParams`, `BlockParams`, `EvidenceParams`, `ValidatorParams`&`HashedParams` are now Protobuf types (@marbar3778)
- [types] [\#4852](https://github.com/tendermint/tendermint/pull/4852) Vote & Proposal `SignBytes` is now func `VoteSignBytes`&`ProposalSignBytes` (@marbar3778)
- [types] [\#5029](https://github.com/tendermint/tendermint/pull/5029) Rename all values from `PartsHeader` to `PartSetHeader` to have consistency (@marbar3778)
- [types] [\#4939](https://github.com/tendermint/tendermint/pull/4939) `Total` in `Parts`&`PartSetHeader` has been changed from a `int` to a `uint32` (@marbar3778)
- [types] [\#4939](https://github.com/tendermint/tendermint/pull/4939) Vote: `ValidatorIndex`&`Round` are now `int32` (@marbar3778)
- [types] [\#4939](https://github.com/tendermint/tendermint/pull/4939) Proposal: `POLRound`&`Round` are now `int32` (@marbar3778)
- [types] [\#4939](https://github.com/tendermint/tendermint/pull/4939) Block: `Round` is now `int32` (@marbar3778)
### FEATURES:
### FEATURES
- [abci] [\#5031](https://github.com/tendermint/tendermint/issues/5031) Add `AppVersion` to consensus parameters (@james-ray)
- ... making it possible to update your ABCI application version via `EndBlock` response
- [abci] [\#5031](https://github.com/tendermint/tendermint/pull/5031) Add `AppVersion` to consensus parameters (@james-ray)
- This makes it possible to update your ABCI application version via `EndBlock` response
- [abci] [\#5174](https://github.com/tendermint/tendermint/pull/5174) Remove `MockEvidence` in favor of testing with actual evidence types (`DuplicateVoteEvidence` &`LightClientAttackEvidence`) (@cmwaters)
- [abci] [\#5191](https://github.com/tendermint/tendermint/pull/5191) Add `InitChain.InitialHeight` field giving the initial block height (@erikgrinaker)
- [abci] [\#5227](https://github.com/tendermint/tendermint/pull/5227) Add `ResponseInitChain.app_hash` which is recorded in genesis block (@erikgrinaker)
- [config] [\#5147](https://github.com/tendermint/tendermint/pull/5147) Add `--consensus.double_sign_check_height` flag and `DoubleSignCheckHeight` config variable. See [ADR-51](https://github.com/tendermint/tendermint/blob/master/docs/architecture/adr-051-double-signing-risk-reduction.md) (@dongsam)
- [db] [\#5233](https://github.com/tendermint/tendermint/pull/5233) Add support for `badgerdb` database backend (@erikgrinaker)
- [evidence] [\#4532](https://github.com/tendermint/tendermint/pull/4532) Handle evidence from light clients (@melekes)
- [evidence] [#4821](https://github.com/tendermint/tendermint/pull/4821) Amnesia evidence can be detected, verified and committed (@cmwaters)
- [light] [\#4532](https://github.com/tendermint/tendermint/pull/4532) Submit conflicting headers, if any, to a full node & all witnesses (@melekes)
- [p2p] [\#4981](https://github.com/tendermint/tendermint/issues/4981) Expose `SaveAs` func on NodeKey (@melekes)
- [evidence] [#4821](https://github.com/tendermint/tendermint/pull/4821) Amnesia (light client attack) evidence can be detected, verified and committed (@cmwaters)
- [genesis] [\#5191](https://github.com/tendermint/tendermint/pull/5191) Add `initial_height` field to specify the initial chain height (defaults to `1`) (@erikgrinaker)
- [libs/math] [\#5665](https://github.com/tendermint/tendermint/pull/5665) Make fractions unsigned integers (uint64) (@cmwaters)
- [light] [\#5298](https://github.com/tendermint/tendermint/pull/5298) Morph validator set and signed header into light block (@cmwaters)
- [p2p] [\#4981](https://github.com/tendermint/tendermint/pull/4981) Expose `SaveAs` func on NodeKey (@melekes)
- [privval] [\#5239](https://github.com/tendermint/tendermint/pull/5239) Add `chainID` to requests from client. (@marbar3778)
- [rpc] [\#4532](https://github.com/tendermint/tendermint/pull/4923) Support `BlockByHash` query (@fedekunze)
- [rpc] [\#4979](https://github.com/tendermint/tendermint/issues/4979) Support EXISTS operator in `/tx_search` query (@melekes)
- [rpc] [\#5017](https://github.com/tendermint/tendermint/issues/5017) Add `/check_tx` endpoint to check transactions without executing them or adding them to the mempool (@melekes)
- [statesync] Add state sync support, where a new node can be rapidly bootstrapped by fetching state snapshots from peers instead of replaying blocks. See the `[statesync]` config section.
- [rpc] [\#4979](https://github.com/tendermint/tendermint/pull/4979) Support EXISTS operator in `/tx_search` query (@melekes)
- [rpc] [\#5017](https://github.com/tendermint/tendermint/pull/5017) Add `/check_tx` endpoint to check transactions without executing them or adding them to the mempool (@melekes)
- [rpc] [\#5108](https://github.com/tendermint/tendermint/pull/5108) Subscribe using the websocket for new evidence events (@cmwaters)
- [statesync] Add state sync support, where a new node can be rapidly bootstrapped by fetching state snapshots from peers instead of replaying blocks. See the `[statesync]` config section.
- [evidence] [\#5361](https://github.com/tendermint/tendermint/pull/5361) Add LightClientAttackEvidence and refactor evidence lifecycle - for more information see [ADR-059](https://github.com/tendermint/tendermint/blob/master/docs/architecture/adr-059-evidence-composition-and-lifecycle.md) (@cmwaters)
### IMPROVEMENTS:
### IMPROVEMENTS
- [consensus] [\#4578](https://github.com/tendermint/tendermint/issues/4578) Attempt to repair the consensus WAL file (`data/cs.wal/wal`) automatically in case of corruption (@alessio)
- [blockchain] [\#5278](https://github.com/tendermint/tendermint/pull/5278) Verify only +2/3 of the signatures in a block when fast syncing. (@marbar3778)
- [consensus] [\#4578](https://github.com/tendermint/tendermint/pull/4578) Attempt to repair the consensus WAL file (`data/cs.wal/wal`) automatically in case of corruption (@alessio)
- The original WAL file will be backed up to `data/cs.wal/wal.CORRUPTED`.
- [evidence] [\#4722](https://github.com/tendermint/tendermint/pull/4722) Improved evidence db (@cmwaters)
- [consensus] [\#5143](https://github.com/tendermint/tendermint/pull/5143) Only call `privValidator.GetPubKey` once per block (@melekes)
- [evidence] [\#4722](https://github.com/tendermint/tendermint/pull/4722) Consolidate evidence store and pool types to improve evidence DB (@cmwaters)
- [evidence] [\#4839](https://github.com/tendermint/tendermint/pull/4839) Reject duplicate evidence from being proposed (@cmwaters)
- [evidence] [\#5219](https://github.com/tendermint/tendermint/pull/5219) Change the source of evidence time to block time (@cmwaters)
- [libs] [\#5126](https://github.com/tendermint/tendermint/pull/5126) Add a sync package which wraps sync.(RW)Mutex & deadlock.(RW)Mutex and use a build flag (deadlock) in order to enable deadlock checking (@marbar3778)
- [light] [\#4935](https://github.com/tendermint/tendermint/pull/4935) Fetch and compare a new header with witnesses in parallel (@melekes)
- [light] [\#4929](https://github.com/tendermint/tendermint/pull/4929) compare header w/ witnesses only when doing bisection (@melekes)
- [light] [\#4916](https://github.com/tendermint/tendermint/pull/4916) validate basic for inbound validator sets and headers before further processing them (@cmwaters)
- [p2p/conn] [\#4795](https://github.com/tendermint/tendermint/issues/4795) Return err on `signChallenge()` instead of panic
- [light] [\#4929](https://github.com/tendermint/tendermint/pull/4929) Compare header with witnesses only when doing bisection (@melekes)
- [light] [\#4916](https://github.com/tendermint/tendermint/pull/4916) Validate basic for inbound validator sets and headers before further processing them (@cmwaters)
- [mempool] Add RemoveTxByKey() exported function for custom mempool cleaning (@p4u)
- [p2p/conn] [\#4795](https://github.com/tendermint/tendermint/pull/4795) Return err on `signChallenge()` instead of panic
- [privval] [\#5437](https://github.com/tendermint/tendermint/pull/5437) `NewSignerDialerEndpoint` can now be given `SignerServiceEndpointOption` (@erikgrinaker)
- [rpc] [\#4968](https://github.com/tendermint/tendermint/pull/4968) JSON encoding is now handled by `libs/json`, not Amino (@erikgrinaker)
- [rpc] [\#5293](https://github.com/tendermint/tendermint/pull/5293) `/dial_peers` has added `private` and `unconditional` as parameters. (@marbar3778)
- [state] [\#4781](https://github.com/tendermint/tendermint/pull/4781) Export `InitStateVersion` for the initial state version (@erikgrinaker)
- [txindex] [\#4466](https://github.com/tendermint/tendermint/pull/4466) Allow to index an event at runtime (@favadi)
- `abci.EventAttribute` replaces `KV.Pair`
- [libs] [\#5126](https://github.com/tendermint/tendermint/issues/5126) Add a sync package which wraps sync.(RW)Mutex & deadlock.(RW)Mutex and use a build flag (deadlock) in order to enable deadlock checking
- [types] [\#4905](https://github.com/tendermint/tendermint/pull/4905) Add `ValidateBasic` to validator and validator set (@cmwaters)
- [rpc] [\#4968](https://github.com/tendermint/tendermint/issues/4968) JSON encoding is now handled by `libs/json`, not Amino
- [mempool] Add RemoveTxByKey() exported function for custom mempool cleaning (@p4u)
- [consensus] [\#5143](https://github.com/tendermint/tendermint/issues/5143) Only call `privValidator.GetPubKey` once per block (@melekes)
### BUG FIXES:
- [blockchain/v2] Correctly set block store base in status responses (@erikgrinaker)
- [consensus] [\#4895](https://github.com/tendermint/tendermint/pull/4895) Cache the address of the validator to reduce querying a remote KMS (@joe-bowman)
- [consensus] [\#4970](https://github.com/tendermint/tendermint/issues/4970) Stricter on `LastCommitRound` check (@cuonglm)
- [p2p][\#5136](https://github.com/tendermint/tendermint/pull/5136) Fix error for peer with the same ID but different IPs (@valardragon)
- [proxy] [\#5078](https://github.com/tendermint/tendermint/issues/5078) Fix a bug, where TM does not exit when ABCI app crashes (@melekes)
- [types] [\#5340](https://github.com/tendermint/tendermint/pull/5340) Add check in `Header.ValidateBasic()` for block protocol version (@marbar3778)
- [types] [\#5490](https://github.com/tendermint/tendermint/pull/5490) Use `Commit` and `CommitSig` max sizes instead of vote max size to calculate the maximum block size. (@cmwaters)
## v0.34.0-rc1
### BUG FIXES
This release was removed, as a premature GitHub tag was recorded on sum.golang.org causing checksum errors.
- [abci/grpc] [\#5520](https://github.com/tendermint/tendermint/pull/5520) Return async responses in order, to avoid mempool panics. (@erikgrinaker)
- [blockchain/v2] [\#4971](https://github.com/tendermint/tendermint/pull/4971) Correctly set block store base in status responses (@erikgrinaker)
- [blockchain/v2] [\#5530](https://github.com/tendermint/tendermint/pull/5530) Fix out of order block processing panic (@melekes)
- [blockchain/v2] [\#5553](https://github.com/tendermint/tendermint/pull/5553) Make the removal of an already removed peer a noop (@melekes)
- [consensus] [\#4895](https://github.com/tendermint/tendermint/pull/4895) Cache the address of the validator to reduce querying a remote KMS (@joe-bowman)
- [consensus] [\#4970](https://github.com/tendermint/tendermint/pull/4970) Don't allow `LastCommitRound` to be negative (@cuonglm)
- [consensus] [\#5329](https://github.com/tendermint/tendermint/pull/5329) Fix wrong proposer schedule for validators returned by `InitChain` (@erikgrinaker)
- [evidence] [\#5170](https://github.com/tendermint/tendermint/pull/5170) Change ABCI evidence time to the time the infraction happened not the time the evidence was committed on the block (@cmwaters)
- [evidence] [\#5610](https://github.com/tendermint/tendermint/pull/5610) Make it possible for ABCI evidence to be formed from Tendermint evidence (@cmwaters)
- [libs/rand] [\#5215](https://github.com/tendermint/tendermint/pull/5215) Fix out-of-memory error on unexpected argument of Str() (@SadPencil)
- [p2p] [\#5136](https://github.com/tendermint/tendermint/pull/5136) Fix error for peer with the same ID but different IPs (@valardragon)
- [privval] [\#5638](https://github.com/tendermint/tendermint/pull/5638) Increase read/write timeout to 5s and calculate ping interval based on it (@JoeKash)
- [proxy] [\#5078](https://github.com/tendermint/tendermint/pull/5078) Force Tendermint to exit when ABCI app crashes (@melekes)
- [rpc] [\#5660](https://github.com/tendermint/tendermint/pull/5660) Set `application/json` as the `Content-Type` header in RPC responses. (@alexanderbez)
- [store] [\#5382](https://github.com/tendermint/tendermint/pull/5382) Fix race conditions when loading/saving/pruning blocks (@erikgrinaker)
Tess Rinearson
4 years ago
GitHub