Merge pull request #21467 from holiman/minor_ethashfix

consensus/ethash: less lookups of block data
This commit is contained in:
Péter Szilágyi 2021-04-27 12:26:46 +03:00 committed by GitHub
commit 85a0bab6d7
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1 changed files with 14 additions and 6 deletions

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@ -203,15 +203,23 @@ func (ethash *Ethash) VerifyUncles(chain consensus.ChainReader, block *types.Blo
number, parent := block.NumberU64()-1, block.ParentHash()
for i := 0; i < 7; i++ {
ancestor := chain.GetBlock(parent, number)
if ancestor == nil {
ancestorHeader := chain.GetHeader(parent, number)
if ancestorHeader == nil {
break
}
ancestors[ancestor.Hash()] = ancestor.Header()
for _, uncle := range ancestor.Uncles() {
uncles.Add(uncle.Hash())
ancestors[parent] = ancestorHeader
// If the ancestor doesn't have any uncles, we don't have to iterate them
if ancestorHeader.UncleHash != types.EmptyUncleHash {
// Need to add those uncles to the blacklist too
ancestor := chain.GetBlock(parent, number)
if ancestor == nil {
break
}
for _, uncle := range ancestor.Uncles() {
uncles.Add(uncle.Hash())
}
}
parent, number = ancestor.ParentHash(), number-1
parent, number = ancestorHeader.ParentHash, number-1
}
ancestors[block.Hash()] = block.Header()
uncles.Add(block.Hash())