update node

op-node/node/node.go

@@ -168,6 +168,9 @@ func (n *OpNode) init(ctx context.Context, cfg *Config) error {
 		return fmt.Errorf("failed to init the P2P stack: %w", err)
 	}
 	// Only expose the server at the end, ensuring all RPC backend components are initialized.
+	if err := n.initGrpcServer(cfg); err != nil {
+		return fmt.Errorf("failed to init the gRPC server: %w", err)
+	}
 	if err := n.initRPCServer(cfg); err != nil {
 		return fmt.Errorf("failed to init the RPC server: %w", err)
 	}