multi: add watchtower client RPC subserver

rpcserver.go

@@ -497,8 +497,8 @@ func newRPCServer(s *server, macService *macaroons.Service,
 	err = subServerCgs.PopulateDependencies(
 		s.cc, networkDir, macService, atpl, invoiceRegistry,
 		s.htlcSwitch, activeNetParams.Params, s.chanRouter,
-		routerBackend, s.nodeSigner, s.chanDB, s.sweeper,
-		tower,
+		routerBackend, s.nodeSigner, s.chanDB, s.sweeper, tower,
+		s.towerClient, cfg.net.ResolveTCPAddr,
 	)
 	if err != nil {
 		return nil, err