WIP

peer/on_multicast.go

@@ -37,7 +37,8 @@ func (a *App) onMulticastDiscovery(e MulticastEvent) {
 		return
 	}
 
-	// payload: [1 VPN IP byte][32 WG pubkey][2 WG port]
+	// payload: [1 VPN IP byte][32 WG pubkey][2 WG port][8 timestamp]
+	// (timestamp freshness is gated in the reader before this point).
 	wgPubKey, err := wgtypes.NewKey(payload[1:33])
 	if err != nil || wgPubKey != peer.PubKey() {
 		return