op-wheel: harden against missing safe/finalized heads (ethereum-optim…

…ism#11460)
okx · Aug 13, 2024 · da68567 · da68567
1 parent 0c42648
commit da68567
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/op-wheel/engine/engine.go b/op-wheel/engine/engine.go
@@ -405,10 +405,10 @@ func Rewind(ctx context.Context, lgr log.Logger, client *sources.EngineAPIClient
 
 	// when rewinding, don't increase unsafe/finalized tags
 	toSafe, toFinalized := toUnsafe, toUnsafe
-	if safe.Number.Uint64() < to {
+	if safe != nil && safe.Number.Uint64() < to {
 		toSafe = eth.HeaderBlockID(safe)
 	}
-	if finalized.Number.Uint64() < to {
+	if finalized != nil && finalized.Number.Uint64() < to {
 		toFinalized = eth.HeaderBlockID(finalized)
 	}