From a31f6d54dfd49e277b78017c3c5e34d544687f7f Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?P=C3=A9ter=20Szil=C3=A1gyi?= Date: Mon, 22 Mar 2021 22:41:28 +0200 Subject: [PATCH] core/state/snapshot: fix panic on missing parent --- core/state/snapshot/snapshot.go | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/core/state/snapshot/snapshot.go b/core/state/snapshot/snapshot.go index aa5f5900b..810f1354e 100644 --- a/core/state/snapshot/snapshot.go +++ b/core/state/snapshot/snapshot.go @@ -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()