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tendermint/consensus
Ethan Buchman b1cd677711 types: valSet LastProposer->Proposer and Proposer()->GetProposer() 7 years ago
..
test_data consensus: handshake replay test using wal 7 years ago
README.md some comments 8 years ago
byzantine_test.go log warning if peer send failed (Refs #174) 7 years ago
common.go fixes from review 8 years ago
common_test.go consensus: handshake replay test using wal 7 years ago
height_vote_set.go Fix BFT issue where VoteSetMaj23Message wasn't being sent where prs.Round == blockStore.Round() 8 years ago
height_vote_set_test.go Fixing issues from review in #229 8 years ago
log.go Make consensus logs use default log handler 9 years ago
mempool_test.go fix race 7 years ago
reactor.go remove warning messages in favor of "Send failed" 7 years ago
reactor_test.go TMSP -> ABCI 8 years ago
replay.go test/docker: install abci apps first 7 years ago
replay_file.go move handshake to consensus package 7 years ago
replay_test.go consensus: more handshake replay tests 7 years ago
state.go types: valSet LastProposer->Proposer and Proposer()->GetProposer() 7 years ago
state_test.go types: valSet LastProposer->Proposer and Proposer()->GetProposer() 7 years ago
ticker.go consensus: let time.Timer handle non-positive durations 8 years ago
version.go version bump and release branch 8 years ago
wal.go consensus: handshake replay test using wal 7 years ago

README.md

The core consensus algorithm.

  • state.go - The state machine as detailed in the whitepaper
  • reactor.go - A reactor that connects the state machine to the gossip network

Go-routine summary

The reactor runs 2 go-routines for each added peer: gossipDataRoutine and gossipVotesRoutine.

The consensus state runs two persistent go-routines: timeoutRoutine and receiveRoutine. Go-routines are also started to trigger timeouts and to avoid blocking when the internalMsgQueue is really backed up.

Replay/WAL

A write-ahead log is used to record all messages processed by the receiveRoutine, which amounts to all inputs to the consensus state machine: messages from peers, messages from ourselves, and timeouts. They can be played back deterministically at startup or using the replay console.