nits

l2geth/core/types/transaction_meta.go

@@ -35,11 +35,11 @@ func (q QueueOrigin) String() string {
 func (q QueueOrigin) MarshalJSON() ([]byte, error) {
 	switch q {
 	case QueueOriginSequencer:
-		return []byte("\"sequencer\""), nil
+		return []byte(`"sequencer"`), nil
 	case QueueOriginL1ToL2:
-		return []byte("\"l1\""), nil
+		return []byte(`"l1"`), nil
 	default:
-		return []byte("\"\""), nil
+		return []byte(`""`), nil
 	}
 }
 

l2geth/rollup/sync_service.go

@@ -165,6 +165,7 @@ func NewSyncService(ctx context.Context, cfg Config, txpool *core.TxPool, bc *co
 	// a remote server that indexes the layer one contracts. Place this
 	// code behind this if statement so that this can run without the
 	// requirement of the remote server being up.
+	// If we're syncing from the Queue, then we can skip all this and rely on L2 published transactions
 	if service.enable && service.backend != BackendQueue {
 		// Ensure that the rollup client can connect to a remote server
 		// before starting. Retry until it can connect.