tendermint/CHANGELOG_PENDING.md

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)

• 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

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)