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| author | Mission Liao <mission.liao@dexon.org> | 2018-10-24 11:27:10 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-10-24 11:27:10 +0800 |
| commit | 5212bb83e8c257cfd85f9e891740369ecad36a91 (patch) | |
| tree | b87ee320f6402415fd96ab397884d4de1b1d07d6 | |
| parent | 23779823a7816d07c41fd7c135c6c0edf39182db (diff) | |
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core: fix panic when proposed block is nil (#248)
| -rw-r--r-- | core/consensus.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/core/consensus.go b/core/consensus.go index c7bef4b..9e6768c 100644 --- a/core/consensus.go +++ b/core/consensus.go @@ -81,6 +81,10 @@ func (recv *consensusBAReceiver) ProposeVote(vote *types.Vote) { func (recv *consensusBAReceiver) ProposeBlock() common.Hash { block := recv.consensus.proposeBlock(recv.chainID, recv.round) + if block == nil { + recv.consensus.logger.Error("unable to propose block") + return nullBlockHash + } recv.consensus.baModules[recv.chainID].addCandidateBlock(block) if err := recv.consensus.preProcessBlock(block); err != nil { recv.consensus.logger.Error("Failed to pre-process block", "error", err) |