multi: rename lnwire.NodeAnnouncement

In preparation for adding a NodeAnnouncement2 struct along with a
NodeAnnouncement interface, this commit renames the existing
NodeAnnouncment struct to NodeAnnouncement1.

discovery/gossiper.go

@@ -244,11 +244,11 @@ type Config struct {
 	// FetchSelfAnnouncement retrieves our current node announcement, for
 	// use when determining whether we should update our peers about our
 	// presence in the network.
-	FetchSelfAnnouncement func() lnwire.NodeAnnouncement
+	FetchSelfAnnouncement func() lnwire.NodeAnnouncement1
 
 	// UpdateSelfAnnouncement produces a new announcement for our node with
 	// an updated timestamp which can be broadcast to our peers.
-	UpdateSelfAnnouncement func() (lnwire.NodeAnnouncement, error)
+	UpdateSelfAnnouncement func() (lnwire.NodeAnnouncement1, error)
 
 	// ProofMatureDelta the number of confirmations which is needed before
 	// exchange the channel announcement proofs.
@@ -1186,7 +1186,7 @@ func (d *deDupedAnnouncements) addMsg(message networkMsg) {
 
 	// Node announcements are identified by the Vertex field.  Use the
 	// NodeID to create the corresponding Vertex.
-	case *lnwire.NodeAnnouncement:
+	case *lnwire.NodeAnnouncement1:
 		sender := route.NewVertex(message.source)
 		deDupKey := route.Vertex(msg.NodeID)
 
@@ -1195,7 +1195,8 @@ func (d *deDupedAnnouncements) addMsg(message networkMsg) {
 		oldTimestamp := uint32(0)
 		mws, ok := d.nodeAnnouncements[deDupKey]
 		if ok {
-			oldTimestamp = mws.msg.(*lnwire.NodeAnnouncement).Timestamp
+			ann, _ := mws.msg.(*lnwire.NodeAnnouncement1)
+			oldTimestamp = ann.Timestamp
 		}
 
 		// Discard the message if it's old.
@@ -1806,7 +1807,7 @@ func (d *AuthenticatedGossiper) retransmitStaleAnns(ctx context.Context,
 		return nil
 	}
 
-	// We'll also check that our NodeAnnouncement is not too old.
+	// We'll also check that our NodeAnnouncement1 is not too old.
 	currentNodeAnn := d.cfg.FetchSelfAnnouncement()
 	timestamp := time.Unix(int64(currentNodeAnn.Timestamp), 0)
 	timeElapsed := now.Sub(timestamp)
@@ -2062,7 +2063,7 @@ func (d *AuthenticatedGossiper) fetchPKScript(chanID lnwire.ShortChannelID) (
 // addNode processes the given node announcement, and adds it to our channel
 // graph.
 func (d *AuthenticatedGossiper) addNode(ctx context.Context,
-	msg *lnwire.NodeAnnouncement, op ...batch.SchedulerOption) error {
+	msg *lnwire.NodeAnnouncement1, op ...batch.SchedulerOption) error {
 
 	if err := netann.ValidateNodeAnn(msg); err != nil {
 		return fmt.Errorf("unable to validate node announcement: %w",
@@ -2153,7 +2154,7 @@ func (d *AuthenticatedGossiper) processNetworkAnnouncement(ctx context.Context,
 	// A new node announcement has arrived which either presents new
 	// information about a node in one of the channels we know about, or a
 	// updating previously advertised information.
-	case *lnwire.NodeAnnouncement:
+	case *lnwire.NodeAnnouncement1:
 		return d.handleNodeAnnouncement(ctx, nMsg, msg, schedulerOp)
 
 	// A new channel announcement has arrived, this indicates the
@@ -2248,7 +2249,7 @@ func (d *AuthenticatedGossiper) processZombieUpdate(_ context.Context,
 // announcement fields and returns an error if they are invalid to prevent
 // forwarding invalid node announcements to our peers.
 func (d *AuthenticatedGossiper) fetchNodeAnn(ctx context.Context,
-	pubKey [33]byte) (*lnwire.NodeAnnouncement, error) {
+	pubKey [33]byte) (*lnwire.NodeAnnouncement1, error) {
 
 	node, err := d.cfg.Graph.FetchNode(ctx, pubKey)
 	if err != nil {
@@ -2478,12 +2479,12 @@ func (d *AuthenticatedGossiper) latestHeight() uint32 {
 
 // handleNodeAnnouncement processes a new node announcement.
 func (d *AuthenticatedGossiper) handleNodeAnnouncement(ctx context.Context,
-	nMsg *networkMsg, nodeAnn *lnwire.NodeAnnouncement,
+	nMsg *networkMsg, nodeAnn *lnwire.NodeAnnouncement1,
 	ops []batch.SchedulerOption) ([]networkMsg, bool) {
 
 	timestamp := time.Unix(int64(nodeAnn.Timestamp), 0)
 
-	log.Debugf("Processing NodeAnnouncement: peer=%v, timestamp=%v, "+
+	log.Debugf("Processing NodeAnnouncement1: peer=%v, timestamp=%v, "+
 		"node=%x, source=%x", nMsg.peer, timestamp, nodeAnn.NodeID,
 		nMsg.source.SerializeCompressed())
 
@@ -2542,7 +2543,7 @@ func (d *AuthenticatedGossiper) handleNodeAnnouncement(ctx context.Context,
 	nMsg.err <- nil
 	// TODO(roasbeef): get rid of the above
 
-	log.Debugf("Processed NodeAnnouncement: peer=%v, timestamp=%v, "+
+	log.Debugf("Processed NodeAnnouncement1: peer=%v, timestamp=%v, "+
 		"node=%x, source=%x", nMsg.peer, timestamp, nodeAnn.NodeID,
 		nMsg.source.SerializeCompressed())