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Ethan Buchman 2cda777900 consensus: make mempool_test deterministic 7 years ago
..
test_data remove test_data/empty_block and test_data/small_blockN 7 years ago
types consensus: fix for initializing block parts during catchup 7 years ago
README.md some comments 8 years ago
byzantine_test.go new pubsub package 7 years ago
common_test.go new pubsub package 7 years ago
mempool_test.go consensus: make mempool_test deterministic 7 years ago
reactor.go remove duplicated key 7 years ago
reactor_test.go new pubsub package 7 years ago
replay.go new pubsub package 7 years ago
replay_file.go fixes from my own review 7 years ago
replay_test.go new pubsub package 7 years ago
state.go Merge pull request #788 from tendermint/feature/548-indexing-tags 7 years ago
state_test.go new pubsub package 7 years ago
ticker.go consensus: more comments 7 years ago
version.go all: no more anonymous imports 7 years ago
wal.go fixes from Bucky's and Emmanuel's reviews 7 years ago
wal_test.go fixes from review 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.