// Handshake3Update updates local knowledge with the information in the // handshake3 msg we received from remote client. func Handshake3Update(lpeer, rpeer peer.Peer, msg *pb.Handshake3) (*Handshake3Result, error) { res := &Handshake3Result{} // our observed address observedAddr, err := ma.NewMultiaddrBytes(msg.GetObservedAddr()) if err != nil { return res, err } if lpeer.AddAddress(observedAddr) { log.Infof("(nat) added new local, remote-observed address: %s", observedAddr) } res.LocalObservedAddress = observedAddr // remote's reported addresses for _, a := range msg.GetListenAddrs() { addr, err := ma.NewMultiaddrBytes(a) if err != nil { err = fmt.Errorf("remote peer address not a multiaddr: %s", err) log.Errorf("Handshake3 error %s", err) return res, err } rpeer.AddAddress(addr) res.RemoteListenAddresses = append(res.RemoteListenAddresses, addr) } return res, nil }