tendermint/CHANGELOG_PENDING.md

Unreleased Changes

vX.X

Special thanks to external contributors on this release:

Friendly reminder, we have a bug bounty program.

BREAKING CHANGES

• CLI/RPC/Config

  • [config] #5598 The test_fuzz and test_fuzz_config P2P settings have been removed. (@erikgrinaker)
  • [config] #5728 fast_sync = "v1" is no longer supported (@melekes)
  • [cli] #5772 gen_node_key prints JSON-encoded NodeKey rather than ID and does not save it to node_key.json (@melekes)
  • [cli] #5777 use hyphen-case instead of snake_case for all cli commands and config parameters (@cmwaters)
  • [rpc] #6019 standardise RPC errors and return the correct status code (@bipulprasad & @cmwaters)

• Apps

  • [ABCI] #5447 Remove SetOption method from ABCI.Client interface
  • [ABCI] #5447 Reset Oneof indexes for Request and Response.
  • [ABCI] #5818 Use protoio for msg length delimitation. Migrates from int64 to uint64 length delimiters.

• P2P Protocol

• Go API

  • [abci/client, proxy] #5673 Async funcs return an error, Sync and Async funcs accept context.Context (@melekes)
  • [p2p] Removed unused function MakePoWTarget. (@erikgrinaker)
  • [libs/bits] #5720 Validate BitArray in FromProto, which now returns an error (@melekes)
  • [proto/p2p] Renamed DefaultNodeInfo and DefaultNodeInfoOther to NodeInfo and NodeInfoOther (@erikgrinaker)
  • [proto/p2p] Rename NodeInfo.default_node_id to node_id (@erikgrinaker)
  • [libs/os] Kill() and {Must,}{Read,Write}File() functions have been removed. (@alessio)
  • [store] #5848 Remove block store state in favor of using the db iterators directly (@cmwaters)
  • [state] #5864 Use an iterator when pruning state (@cmwaters)
  • [types] #6023 Remove tm2pb.Header, tm2pb.BlockID, tm2pb.PartSetHeader and tm2pb.NewValidatorUpdate.
    • Each of the above types has a ToProto and FromProto method or function which replaced this logic.
  • [light] #6054 Move MaxRetryAttempt option from client to provider.
    • NewWithOptions now sets the max retry attempts and timeouts (@cmwaters)
  • [all] #6077 Change spelling from British English to American (@cmwaters)
    • Rename "Subscription.Cancelled()" to "Subscription.Canceled()" in libs/pubsub
    • Rename "behaviour" pkg to "behavior" and internalized it in blockchain v2

• Blockchain Protocol

• Data Storage

  • [store/state/evidence/light] #5771 Use an order-preserving varint key encoding (@cmwaters)

FEATURES

IMPROVEMENTS

• [crypto/ed25519] #5632 Adopt zip215 ed25519 verification. (@marbar3778)
• [privval] #5603 Add --key to init, gen_validator, testnet & unsafe_reset_priv_validator for use in generating secp256k1 keys.
• [privval] #5725 Add gRPC support to private validator.
• [privval] #5876 tendermint show-validator will query the remote signer if gRPC is being used (@marbar3778)
• [abci/client] #5673 Async requests return an error if queue is full (@melekes)
• [mempool] #5673 Cancel CheckTx requests if RPC client disconnects or times out (@melekes)
• [abci] #5706 Added AbciVersion to RequestInfo allowing applications to check ABCI version when connecting to Tendermint. (@marbar3778)
• [blockchain/v1] #5728 Remove in favor of v2 (@melekes)
• [blockchain/v0] #5741 Relax termination conditions and increase sync timeout (@melekes)
• [cli] #5772 gen_node_key output now contains node ID (id field) (@melekes)
• [blockchain/v2] #5774 Send status request when new peer joins (@melekes)
• [consensus] #5792 Deprecates the time_iota_ms consensus parameter, to reduce the bug surface. The parameter is no longer used. (@valardragon)
• [store] #5888 store.SaveBlock saves using batches instead of transactions for now to improve ACID properties. This is a quick fix for underlying issues around tm-db and ACID guarantees. (@githubsands)
• [consensus] #5987 Remove time_iota_ms from consensus params. Merge tmproto.ConsensusParams and abci.ConsensusParams. (@marbar3778)
• [types] #5994 Reduce the use of protobuf types in core logic. (@marbar3778)
  • ConsensusParams, BlockParams, ValidatorParams, EvidenceParams, VersionParams, sm.Version and version.Consensus have become native types. They still utilize protobuf when being sent over the wire or written to disk.

BUG FIXES

• [ABCI] #6124 Fixes a panic condition during callback execution in ReCheckTx during high tx load. (@alexanderbez)
• [types] #5523 Change json naming of PartSetHeader within BlockID from parts to part_set_header (@marbar3778)
• [privval] #5638 Increase read/write timeout to 5s and calculate ping interval based on it (@JoeKash)
• [blockchain/v1] #5701 Handle peers without blocks (@melekes)
• [blockchain/v1] #5711 Fix deadlock (@melekes)