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Merge pull request #21036 from karalabe/snapshot-storage-leak

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core/state/snapshot: don't create storage list for non-existing accounts
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Péter Szilágyi 2020-05-06 18:11:15 +03:00 committed by GitHub
commit 87c463c47a
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1 changed files with 5 additions and 0 deletions
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5
core/state/snapshot/difflayer.go
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@ -526,6 +526,11 @@ func (dl *diffLayer) StorageList(accountHash common.Hash) ([]common.Hash, bool)
// If an old list already exists, return it
dl.lock.RLock()
_, destructed := dl.destructSet[accountHash]
if _, ok := dl.storageData[accountHash]; !ok {
// Account not tracked by this layer
dl.lock.RUnlock()
return nil, destructed
}
if list, exist := dl.storageList[accountHash]; exist {
dl.lock.RUnlock()
return list, destructed // The list might be nil