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evidence: structs can independently form abci evidence (#5610)

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This commit is contained in:
Callum Waters
2020-11-04 17:14:48 +01:00
parent 70a62be5c6
commit 9d354c842e
35 changed files with 1532 additions and 1917 deletions
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15
consensus/state.go
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@@ -73,9 +73,9 @@ type txNotifier interface {
// interface to the evidence pool
type evidencePool interface {
// Adds consensus based evidence to the evidence pool where time is the time
// of the block where the offense occurred and the validator set is the current one.
AddEvidenceFromConsensus(types.Evidence, time.Time, *types.ValidatorSet) error
// Adds consensus based evidence to the evidence pool. This function differs to
// AddEvidence by bypassing verification and adding it immediately to the pool
AddEvidenceFromConsensus(types.Evidence) error
}
// State handles execution of the consensus algorithm.
@@ -1871,13 +1871,14 @@ func (cs *State) tryAddVote(vote *types.Vote, peerID p2p.ID) (bool, error) {
} else {
timestamp = sm.MedianTime(cs.LastCommit.MakeCommit(), cs.LastValidators)
}
evidence := types.NewDuplicateVoteEvidence(voteErr.VoteA, voteErr.VoteB)
evidenceErr := cs.evpool.AddEvidenceFromConsensus(evidence, timestamp, cs.Validators)
// form duplicate vote evidence from the conflicting votes and send it across to the
// evidence pool
ev := types.NewDuplicateVoteEvidence(voteErr.VoteA, voteErr.VoteB, timestamp, cs.Validators)
evidenceErr := cs.evpool.AddEvidenceFromConsensus(ev)
if evidenceErr != nil {
cs.Logger.Error("Failed to add evidence to the evidence pool", "err", evidenceErr)
} else {
cs.Logger.Debug("Added evidence to the evidence pool", "evidence", evidence)
cs.Logger.Debug("Added evidence to the evidence pool", "ev", ev)
}
return added, err
} else if err == types.ErrVoteNonDeterministicSignature {