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consensus/ethash: less lookups of block data

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This commit is contained in:
Martin Holst Swende 2020-08-20 20:34:31 +02:00
parent b68929caee
commit 493100ba4d
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GPG Key ID: 683B438C05A5DDF0
1 changed files with 14 additions and 6 deletions
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12
consensus/ethash/consensus.go
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@ -204,15 +204,23 @@ func (ethash *Ethash) VerifyUncles(chain consensus.ChainReader, block *types.Blo
number, parent := block.NumberU64()-1, block.ParentHash()
for i := 0; i < 7; i++ {
ancestorHeader := chain.GetHeader(parent, number)
if ancestorHeader == nil {
break
}
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
}
ancestors[ancestor.Hash()] = ancestor.Header()
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())