peer+server: add HandleLocalCloseChanReqs to peer, call from server

peer.go

@@ -2857,6 +2857,20 @@ func (p *peer) handleCloseMsg(msg *closeMsg) {
 	p.finalizeChanClosure(chanCloser)
 }
 
+// HandleLocalCloseChanReqs accepts a *htlcswitch.ChanClose and passes it onto
+// the channelManager goroutine, which will shut down the link and possibly
+// close the channel.
+func (p *peer) HandleLocalCloseChanReqs(req *htlcswitch.ChanClose) {
+	select {
+	case p.localCloseChanReqs <- req:
+		peerLog.Infof("Local close channel request delivered to peer: %v",
+			p.PubKey())
+	case <-p.quit:
+		peerLog.Infof("Unable to deliver local close channel request to peer "+
+			"%x", p.PubKey())
+	}
+}
+
 // LinkUpdater is an interface implemented by most messages in BOLT 2 that are
 // allowed to update the channel state.
 type LinkUpdater interface {

server.go

@@ -491,15 +491,7 @@ func newServer(cfg *Config, listenAddrs []net.Addr, chanDB *channeldb.DB,
 				return
 			}
 
-			select {
-			case peer.localCloseChanReqs <- request:
-				srvrLog.Infof("Local close channel request "+
-					"delivered to peer: %x", pubKey[:])
-			case <-peer.quit:
-				srvrLog.Errorf("Unable to deliver local close "+
-					"channel request to peer %x, err: %v",
-					pubKey[:], err)
-			}
+			peer.HandleLocalCloseChanReqs(request)
 		},
 		FwdingLog:              chanDB.ForwardingLog(),
 		SwitchPackager:         channeldb.NewSwitchPackager(),