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change lock handling in consensus state file

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This commit is contained in:
William Banfield
2022-02-24 15:17:54 -05:00
parent db60bbad54
commit 9fd9a6e51f
1 changed files with 43 additions and 36 deletions
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consensus/state.go
+43 -36
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@@ -800,9 +800,6 @@ func (cs *State) receiveRoutine(maxSteps int) {
// state transitions on complete-proposal, 2/3-any, 2/3-one
func (cs *State) handleMsg(mi msgInfo) {
cs.mtx.Lock()
defer cs.mtx.Unlock()
var (
added bool
err error
@@ -814,11 +811,19 @@ func (cs *State) handleMsg(mi msgInfo) {
case *ProposalMessage:
// will not cause transition.
// once proposal is set, we can receive block parts
cs.mtx.Lock()
err = cs.setProposal(msg.Proposal)
cs.mtx.Unlock()
case *BlockPartMessage:
// if the proposal is complete, we'll enterPrevote or tryFinalizeCommit
cs.mtx.Lock()
added, err = cs.addProposalBlockPart(msg, peerID)
cs.mtx.Unlock()
cs.mtx.Lock()
if added && cs.ProposalBlockParts.IsComplete() {
cs.handleCompleteProposal(msg.Height)
}
if added {
cs.statsMsgQueue <- mi
}
@@ -832,14 +837,17 @@ func (cs *State) handleMsg(mi msgInfo) {
)
err = nil
}
cs.mtx.Unlock()
case *VoteMessage:
// attempt to add the vote and dupeout the validator if its a duplicate signature
// if the vote gives us a 2/3-any or 2/3-one, we transition
cs.mtx.Lock()
added, err = cs.tryAddVote(msg.Vote, peerID)
if added {
cs.statsMsgQueue <- mi
}
cs.mtx.Unlock()
// if err == ErrAddingVote {
// TODO: punish peer
@@ -1888,44 +1896,43 @@ func (cs *State) addProposalBlockPart(msg *BlockPartMessage, peerID p2p.ID) (add
if err := cs.eventBus.PublishEventCompleteProposal(cs.CompleteProposalEvent()); err != nil {
cs.Logger.Error("failed publishing event complete proposal", "err", err)
}
}
return added, nil
}
// Update Valid* if we can.
prevotes := cs.Votes.Prevotes(cs.Round)
blockID, hasTwoThirds := prevotes.TwoThirdsMajority()
if hasTwoThirds && !blockID.IsZero() && (cs.ValidRound < cs.Round) {
if cs.ProposalBlock.HashesTo(blockID.Hash) {
cs.Logger.Debug(
"updating valid block to new proposal block",
"valid_round", cs.Round,
"valid_block_hash", cs.ProposalBlock.Hash(),
)
func (cs *State) handleCompleteProposal(blockHeight int64) {
// Update Valid* if we can.
prevotes := cs.Votes.Prevotes(cs.Round)
blockID, hasTwoThirds := prevotes.TwoThirdsMajority()
if hasTwoThirds && !blockID.IsZero() && (cs.ValidRound < cs.Round) {
if cs.ProposalBlock.HashesTo(blockID.Hash) {
cs.Logger.Debug(
"updating valid block to new proposal block",
"valid_round", cs.Round,
"valid_block_hash", cs.ProposalBlock.Hash(),
)
cs.ValidRound = cs.Round
cs.ValidBlock = cs.ProposalBlock
cs.ValidBlockParts = cs.ProposalBlockParts
}
// TODO: In case there is +2/3 majority in Prevotes set for some
// block and cs.ProposalBlock contains different block, either
// proposer is faulty or voting power of faulty processes is more
// than 1/3. We should trigger in the future accountability
// procedure at this point.
cs.ValidRound = cs.Round
cs.ValidBlock = cs.ProposalBlock
cs.ValidBlockParts = cs.ProposalBlockParts
}
if cs.Step <= cstypes.RoundStepPropose && cs.isProposalComplete() {
// Move onto the next step
cs.enterPrevote(height, cs.Round)
if hasTwoThirds { // this is optimisation as this will be triggered when prevote is added
cs.enterPrecommit(height, cs.Round)
}
} else if cs.Step == cstypes.RoundStepCommit {
// If we're waiting on the proposal block...
cs.tryFinalizeCommit(height)
}
return added, nil
// TODO: In case there is +2/3 majority in Prevotes set for some
// block and cs.ProposalBlock contains different block, either
// proposer is faulty or voting power of faulty processes is more
// than 1/3. We should trigger in the future accountability
// procedure at this point.
}
return added, nil
if cs.Step <= cstypes.RoundStepPropose && cs.isProposalComplete() {
// Move onto the next step
cs.enterPrevote(blockHeight, cs.Round)
if hasTwoThirds { // this is optimisation as this will be triggered when prevote is added
cs.enterPrecommit(blockHeight, cs.Round)
}
} else if cs.Step == cstypes.RoundStepCommit {
// If we're waiting on the proposal block...
cs.tryFinalizeCommit(blockHeight)
}
}
// Attempt to add the vote. if its a duplicate signature, dupeout the validator