consensus,core: shortcut uncle validation

2019-04-08 09:13:05 +02:00
parent 78644f0377
commit d763b49ae3
3 changed files with 23 additions and 1 deletions
--- a/consensus/ethash/consensus.go
+++ b/consensus/ethash/consensus.go
@ -191,6 +191,9 @@ func (ethash *Ethash) VerifyUncles(chain consensus.ChainReader, block *types.Blo
 	if len(block.Uncles()) > maxUncles {
 		return errTooManyUncles
 	}
+	if len(block.Uncles()) == 0 {
+		return nil
+	}
 	// Gather the set of past uncles and ancestors
 	uncles, ancestors := mapset.NewSet(), make(map[common.Hash]*types.Header)