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core/state: filter out nil trie for copy (#25575)

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rjl493456442 2022-09-01 15:34:32 +08:00 committed by GitHub
parent d79bd2f0f6
commit d46184c969
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1 changed files with 3 additions and 0 deletions
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3
core/state/trie_prefetcher.go
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@ -126,6 +126,9 @@ func (p *triePrefetcher) copy() *triePrefetcher {
// If the prefetcher is already a copy, duplicate the data // If the prefetcher is already a copy, duplicate the data
if p.fetches != nil { if p.fetches != nil {
for root, fetch := range p.fetches { for root, fetch := range p.fetches {
if fetch == nil {
continue
}
copy.fetches[root] = p.db.CopyTrie(fetch) copy.fetches[root] = p.db.CopyTrie(fetch)
} }
return copy return copy