Remove all dynamic peer discovery

p2p/communication.go

@@ -59,7 +59,6 @@ type Communication struct {
 	externalAddr     maddr.Multiaddr
 	streamMgr        *StreamMgr
 	whitelistedPeers []peer.ID
-	discovery        *PeerDiscovery
 }
 
 // NewCommunication create a new instance of Communication
@@ -248,7 +247,6 @@ func (c *Communication) bootStrapConnectivityCheck() error {
 }
 
 func (c *Communication) startChannel(privKeyBytes []byte) error {
-	c.logger.Info().Msgf("No DHT enabled; use private gossip instead.")
 	p2pPriKey, err := crypto.UnmarshalSecp256k1PrivateKey(privKeyBytes)
 	if err != nil {
 		c.logger.Error().Msgf("error is %f", err)
@@ -350,9 +348,6 @@ func (c *Communication) startChannel(privKeyBytes []byte) error {
 		}
 		bootstrapPeerAddrInfos = append(bootstrapPeerAddrInfos, *peerInfo)
 	}
-	discovery := NewPeerDiscovery(c.host, bootstrapPeerAddrInfos)
-	c.discovery = discovery
-	discovery.Start(context.Background())
 
 	return nil
 }
@@ -422,9 +417,6 @@ func (c *Communication) Start(priKeyBytes []byte) error {
 
 // Stop communication
 func (c *Communication) Stop() error {
-	if c.discovery != nil {
-		c.discovery.Stop()
-	}
 	// we need to stop the handler and the p2p services firstly, then terminate the our communication threads
 	if err := c.host.Close(); err != nil {
 		c.logger.Err(err).Msg("fail to close host network")