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Ethan Buchman b1485b181a Merge branch 'p2p-consolidate' into p2p-id 7 years ago
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test_data update consensus/test_data/many_blocks.cswal 7 years ago
types Merge branch 'p2p-consolidate' into p2p-id 7 years ago
README.md some comments 8 years ago
byzantine_test.go int64 height 7 years ago
common_test.go Merge branch 'develop' into config 7 years ago
mempool_test.go excessive logging. update tmlibs for timer fix 7 years ago
reactor.go p2p: peer.Key -> peer.ID 7 years ago
reactor_test.go change voting power change, not number of vals 7 years ago
replay.go p2p: peer.Key -> peer.ID 7 years ago
replay_file.go fixes from review 7 years ago
replay_test.go bump wal test timeout 7 years ago
state.go p2p: peer.Key -> peer.ID 7 years ago
state_test.go config: unexpose chainID 7 years ago
ticker.go consensus: Fix typo on ticker.go documentation 7 years ago
version.go all: no more anonymous imports 7 years ago
wal.go p2p: peer.Key -> peer.ID 7 years ago
wal_fuzz.go add gofuzz test for consensus wal 7 years ago
wal_generator.go fixes from review 7 years ago
wal_test.go handle data corruption errors 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.