multi: ensure addresses are no longer assumed to be TCP addresses only

In this commit, we go through the codebase looking for TCP address
assumptions and modifying them to include the recently introduced onion
addresses. This enables us to fully support onion addresses within the
daemon.

pilot.go

@@ -7,6 +7,7 @@ import (
 	"github.com/davecgh/go-spew/spew"
 	"github.com/lightningnetwork/lnd/autopilot"
 	"github.com/lightningnetwork/lnd/lnwire"
+	"github.com/lightningnetwork/lnd/tor"
 	"github.com/roasbeef/btcd/btcec"
 	"github.com/roasbeef/btcd/wire"
 	"github.com/roasbeef/btcutil"
@@ -49,18 +50,12 @@ func (c *chanController) OpenChannel(target *btcec.PublicKey,
 		// advertised IP addresses, or have made a connection.
 		var connected bool
 		for _, addr := range addrs {
-			// If the address doesn't already have a port, then
-			// we'll assume the current default port.
-			tcpAddr, ok := addr.(*net.TCPAddr)
-			if !ok {
-				return fmt.Errorf("TCP address required instead "+
-					"have %T", addr)
+			switch addr.(type) {
+			case *net.TCPAddr, *tor.OnionAddr:
+				lnAddr.Address = addr
+			default:
+				return fmt.Errorf("unknown address type %T", addr)
 			}
-			if tcpAddr.Port == 0 {
-				tcpAddr.Port = defaultPeerPort
-			}
-
-			lnAddr.Address = tcpAddr
 
 			// TODO(roasbeef): make perm connection in server after
 			// chan open?