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-rw-r--r--core/compaction-chain.go4
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) {