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| author | Jimmy Hu <jimmy.hu@dexon.org> | 2018-11-13 13:59:38 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-11-13 13:59:38 +0800 |
| commit | 4752fffa3546c2968b310811dbd30281b197032c (patch) | |
| tree | 99ab4df80ed462258fe75929e9a7dc1e4ce6f9e0 /core | |
| parent | 28fa70583e4bc70089c17d8b00c258ab71e467e9 (diff) | |
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core: Fix data race (#319)
Diffstat (limited to 'core')
| -rw-r--r-- | core/compaction-chain.go | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/core/compaction-chain.go b/core/compaction-chain.go index 8080a2c..94dd24c 100644 --- a/core/compaction-chain.go +++ b/core/compaction-chain.go @@ -255,6 +255,10 @@ func (cc *compactionChain) processBlockRandomnessResult( rand *types.BlockRandomnessResult) error { cc.lock.Lock() defer cc.lock.Unlock() + // prevBlock is already delivered so it doesn't need to process randomness. + if rand.BlockHash == cc.prevBlock.Hash { + return nil + } // TODO(jimmy-dexon): the result should not be discarded here. Blocks may // be registered later. if !cc.blockRegisteredNoLock(rand.BlockHash) { |