first draft of network crawler

rpc/core/net.go

@@ -42,8 +42,11 @@ func NetInfo() (*ctypes.ResponseNetInfo, error) {
 	peers := []ctypes.Peer{}
 	for _, peer := range p2pSwitch.Peers().List() {
 		peers = append(peers, ctypes.Peer{
-			Address:    peer.Connection().RemoteAddress.String(),
+			//Address:    peer.Connection().RemoteAddress.String(),
+			Host:       peer.Nodeinfo.Host,
 			IsOutbound: peer.IsOutbound(),
+			P2PPort:    peer.Nodeinfo.P2PPort,
+			RPCPort:    peer.Nodeinfo.RPCPort,
 		})
 	}
 	return &ctypes.ResponseNetInfo{

rpc/core/types/responses.go

@@ -78,7 +78,9 @@ type ResponseNetInfo struct {
 }
 
 type Peer struct {
-	Address    string
+	Host       string // ip
+	P2PPort    uint16
+	RPCPort    uint16
 	IsOutbound bool
 }