op-wheel: harden against missing safe/finalized heads (#11460)

da68567e · Sebastian Stammler · GitHub · 0c426483 · da68567e
Commit da68567e authored Aug 13, 2024 by Sebastian Stammler Committed by GitHub Aug 13, 2024
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engine.go op-wheel/engine/engine.go +2 -2

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--- 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)
 	}