v0.8.0

Summary

• Validator Set changes
• Handshake between Tendermint and App
• BFT-liveness fix
• Way more tests
• TMSP is now ABCI!

Details

• Misc

  • Update logging to be less verbose
  • Better test coverage (37% -> 49%)
  • Canonical SignBytes for signable types

• Mempool

  • Write-Ahead Log via go-autofile
  • Fix peer leak

• Consensus

  • Write-Ahead Log via go-autofile
  • Use BlockID = (Hash, PartsHeader) to represent blocks
  • Update Vote structure to include validator address and index
  • New 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
  • Better in-process testing for the consensus reactor and byzantine faults
  • Fix panic on POLRound=-1
  • Configurable block part set size
  • Validator set changes
  • Set the CommitTime
  • Better abstraction over timeout mechanics
  • Optionally skip TimeoutCommit if we have all the votes

• TMSP

  • TMSP is now ABCI
  • AppendTx is now DeliverTx
  • Send BeginBlock, with Header
  • Handshake and replay for app persistence and recovery

• RPC

  • BroadcastTx via GRPC
  • Hex strings are "0x" prefixed

• Testing

  • More extensive testing of consensus package
  • More crash/restart tests of individual nodes at preset failure points and of networks at arbitrary points

Pull Requests

• Handshake (Info and BeginBlock) - Handshake #265
• BroadcastTxCommit via GRPC - broadcast_tx via grpc #255
• BFT Vote set changes for - Bft fix rebase #314
• Validator set changes - Validator Set Changes #319, Val set changes #359
• New WAL - Consensus WAL uses go-autofile #310
• CanonicalJSON sign bytes - Sign bytes #325
• TimeoutTicker and fix tests - Fix tests #330, Unstable #337
• Stability - Unstable #337
• Crash/Restart tests -Crash/Restart tests #343
• Optional SkipTimeoutCommit - Optional skip timeout commit #360, Skip timeout commit #362
• Rename AppendTx -> DeliverTx and TMSP -> ABCI - Rename #365