core/state/snapshot: don't create storage list for non-existing accounts

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Péter Szilágyi 2020-05-06 17:22:38 +03:00
parent 39c64d85a2
commit 90af6dae6e
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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 // If an old list already exists, return it
dl.lock.RLock() dl.lock.RLock()
_, destructed := dl.destructSet[accountHash] _, 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 { if list, exist := dl.storageList[accountHash]; exist {
dl.lock.RUnlock() dl.lock.RUnlock()
return list, destructed // The list might be nil return list, destructed // The list might be nil