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mpt: do not create an Extension for the last child of a Branch

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Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>
This commit is contained in:
Evgeniy Stratonikov 2021-07-07 14:04:29 +03:00
parent 25428d53f1
commit a33e422b79
2 changed files with 20 additions and 1 deletions
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5
pkg/core/mpt/batch.go
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@ -192,7 +192,10 @@ func (t *Trie) stripBranch(b *BranchNode) (Node, error) {
case n == 0:
return new(HashNode), nil
case n == 1:
return t.mergeExtension([]byte{lastIndex}, b.Children[lastIndex])
if lastIndex != lastChild {
return t.mergeExtension([]byte{lastIndex}, b.Children[lastIndex])
}
return b.Children[lastIndex], nil
default:
t.addRef(b.Hash(), b.bytes)
return b, nil