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Merge pull request #1410 from nspcc-dev/fix-potential-consensus-stall

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consensus: fix potential system deadlock
This commit is contained in:
Roman Khimov 2020-09-18 12:42:52 +03:00 committed by GitHub
commit bdee702f76
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1 changed files with 18 additions and 7 deletions
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17
pkg/consensus/consensus.go
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@ -228,7 +228,20 @@ func (s *service) eventLoop() {
case tx := <-s.transactions:
s.dbft.OnTransaction(tx)
case b := <-s.blockEvents:
// We also receive our own blocks here, so check for index.
s.handleChainBlock(b)
}
// Always process block event if there is any, we can add one above.
select {
case b := <-s.blockEvents:
s.handleChainBlock(b)
default:
}
}
}
func (s *service) handleChainBlock(b *coreb.Block) {
// We can get our own block here, so check for index.
if b.Index >= s.dbft.BlockIndex {
s.log.Debug("new block in the chain",
zap.Uint32("dbft index", s.dbft.BlockIndex),
@ -236,8 +249,6 @@ func (s *service) eventLoop() {
s.dbft.InitializeConsensus(0)
}
}
}
}
func (s *service) validatePayload(p *Payload) bool {
validators := s.getValidators()