lnrpc/peers: skeleton logic for updateNodeAnnouncement

Basic logic for the endpoint:

- Get the current nodeAnn information
- Calculate modifications
- Apply modifications
- Return changes

rpcserver.go

@@ -8,6 +8,7 @@ import (
 	"fmt"
 	"io"
 	"math"
+	"net"
 	"net/http"
 	"runtime"
 	"sort"
@@ -729,6 +730,14 @@ func (r *rpcServer) addDeps(s *server, macService *macaroons.Service,
 		return s.featureMgr.Get(feature.SetInvoiceAmp)
 	}
 
+	getNodeAnnouncement := func() (lnwire.NodeAnnouncement, error) {
+		return s.genNodeAnnouncement(false)
+	}
+
+	parseAddr := func(addr string) (net.Addr, error) {
+		return parseAddr(addr, r.cfg.net)
+	}
+
 	var (
 		subServers     []lnrpc.SubServer
 		subServerPerms []lnrpc.MacaroonPerms
@@ -745,7 +754,8 @@ func (r *rpcServer) addDeps(s *server, macService *macaroons.Service,
 		routerBackend, s.nodeSigner, s.graphDB, s.chanStateDB,
 		s.sweeper, tower, s.towerClient, s.anchorTowerClient,
 		r.cfg.net.ResolveTCPAddr, genInvoiceFeatures,
-		genAmpInvoiceFeatures, rpcsLog,
+		genAmpInvoiceFeatures, getNodeAnnouncement,
+		s.updateAndBrodcastSelfNode, parseAddr, rpcsLog,
 	)
 	if err != nil {
 		return err