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CHANGELOG_PENDING.md

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v0.33.5

**

Special thanks to external contributors on this release:

Friendly reminder, we have a bug bounty program.

BREAKING CHANGES:

  • CLI/RPC/Config

    • [evidence] #4725 Remove Pubkey from DuplicateVoteEvidence
    • [rpc] #4792 /validators are now sorted by voting power (@melekes)

  • Apps

    • [abci] #4704 Add ABCI methods ListSnapshots, LoadSnapshotChunk, OfferSnapshot, and ApplySnapshotChunk for state sync snapshots. ABCIVersion bumped to 0.17.0.

  • P2P Protocol

  • Go API

    • [crypto] #4721 Remove SimpleHashFromMap() and SimpleProofsFromMap() (@erikgrinaker)
    • [privval] #4744 Remove deprecated OldFilePV (@melekes)
    • [mempool] #4759 Modify Mempool#InitWAL to return an error (@melekes)
    • [types] #4798 Simplify VerifyCommitTrusting func + remove extra validation (@melekes)
    • [libs] #4831 Remove Bech32 pkg from Tendermint. This pkg now lives in the cosmos-sdk
    • [node] #4832 ConfigureRPC returns an error (@melekes)
    • [rpc] #4836 Overhaul lib folder (@melekes) Move lib/ folder to jsonrpc/. Rename: rpc package -> jsonrpc package rpcclient package -> client package rpcserver package -> server package JSONRPCClient to Client JSONRPCRequestBatch to RequestBatch JSONRPCCaller to Caller StartHTTPServer to Serve StartHTTPAndTLSServer to ServeTLS NewURIClient to NewURI NewJSONRPCClient to New NewJSONRPCClientWithHTTPClient to NewWithHTTPClient NewWSClient to NewWS Unexpose ResponseWriterWrapper Remove unused http_params.go

  • Blockchain Protocol

    • [types] #4792 Sort validators by voting power to enable faster commit verification (@melekes)
    • [evidence] #4780 Cap evidence to an absolute number (@cmwaters) Add max_num to consensus evidence parameters (default: 50 items).

FEATURES:

  • [pex] #4439 Use highwayhash for pex buckets (@tau3)
  • [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] #4532 Handle evidence from light clients (@melekes)
  • [lite2] #4532 Submit conflicting headers, if any, to a full node & all witnesses (@melekes)

IMPROVEMENTS:

  • [abci/server] #4719 Print panic & stack trace to STDERR if logger is not set (@melekes)
  • [types] #4638 Implement Header#ValidateBasic (@alexanderbez)
  • [txindex] #4466 Allow to index an event at runtime (@favadi)
  • [evidence] #4722 Improved evidence db (@cmwaters)
  • [buildsystem] #4378 Replace build_c and install_c with TENDERMINT_BUILD_OPTIONS parsing. The following options are available:
    • nostrip: don't strip debugging symbols nor DWARF tables.
    • cleveldb: use cleveldb as db backend instead of goleveldb.
    • race: pass -race to go build and enable data race detection.
  • [mempool] #4759 Allow ReapX and CheckTx functions to run in parallel (@melekes)
  • [state] #4781 Export InitStateVersion for the initial state version (@erikgrinaker)
  • [p2p/conn] #4795 Return err on signChallenge() instead of panic
  • [evidence] #4839 Reject duplicate evidence from being proposed (@cmwaters)
  • [rpc/core] #4844 Do not lock consensus state in /validators, /consensus_params and /status (@melekes)

BUG FIXES:

  • [blockchain/v2] #4761 Fix excessive CPU usage caused by spinning on closed channels (@erikgrinaker)
  • [blockchain/v2] Respect fast_sync option (@erikgrinaker)
  • [light] #4741 Correctly return ErrSignedHeaderNotFound and ErrValidatorSetNotFound on corresponding RPC errors (@erikgrinaker)
  • [rpc] #4805 Attempt to handle panics during panic recovery (@erikgrinaker)
  • [types] #4764 Return an error if voting power overflows in VerifyCommitTrusting (@melekes)
  • [privval] #4812 Retry GetPubKey/SignVote/SignProposal a few times before returning an error (@melekes)