cerc-io/plugeth
18
0
Fork 1
Code Issues 4 Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #22551 from karalabe/snapshot-parent-get-panic

Browse Source 
core/state/snapshot: fix panic on missing parent
This commit is contained in:
Péter Szilágyi 2021-03-22 23:34:12 +02:00 committed by GitHub
commit f304290b7d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 2 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
core/state/snapshot/snapshot.go
View File

@ -283,11 +283,11 @@ func (t *Tree) Update(blockRoot common.Hash, parentRoot common.Hash, destructs m
return errSnapshotCycle
}
// Generate a new snapshot on top of the parent
parent := t.Snapshot(parentRoot).(snapshot)
parent := t.Snapshot(parentRoot)
if parent == nil {
return fmt.Errorf("parent [%#x] snapshot missing", parentRoot)
}
snap := parent.Update(blockRoot, destructs, accounts, storage)
snap := parent.(snapshot).Update(blockRoot, destructs, accounts, storage)
// Save the new snapshot for later
t.lock.Lock()