updated multiaddr use across codebase

Message.go

@@ -20,11 +20,7 @@ func peerToPBPeer(p *peer.Peer) *Message_Peer {
 	if len(p.Addresses) == 0 || p.Addresses[0] == nil {
 		pbp.Addr = proto.String("")
 	} else {
-		addr, err := p.Addresses[0].String()
-		if err != nil {
-			//Temp: what situations could cause this?
-			panic(err)
-		}
+		addr := p.Addresses[0].String()
 		pbp.Addr = &addr
 	}
 	pid := string(p.ID)

dht_test.go

@@ -43,8 +43,8 @@ func setupDHT(t *testing.T, p *peer.Peer) *IpfsDHT {
 	return d
 }
 
-func setupDHTS(n int, t *testing.T) ([]*ma.Multiaddr, []*peer.Peer, []*IpfsDHT) {
-	var addrs []*ma.Multiaddr
+func setupDHTS(n int, t *testing.T) ([]ma.Multiaddr, []*peer.Peer, []*IpfsDHT) {
+	var addrs []ma.Multiaddr
 	for i := 0; i < n; i++ {
 		a, err := ma.NewMultiaddr(fmt.Sprintf("/ip4/127.0.0.1/tcp/%d", 5000+i))
 		if err != nil {
@@ -67,7 +67,7 @@ func setupDHTS(n int, t *testing.T) ([]*ma.Multiaddr, []*peer.Peer, []*IpfsDHT)
 	return addrs, peers, dhts
 }
 
-func makePeer(addr *ma.Multiaddr) *peer.Peer {
+func makePeer(addr ma.Multiaddr) *peer.Peer {
 	p := new(peer.Peer)
 	p.AddAddress(addr)
 	sk, pk, err := ci.GenerateKeyPair(ci.RSA, 512)

ext_test.go

@@ -184,7 +184,7 @@ func TestGetFailures(t *testing.T) {
 func _randPeer() *peer.Peer {
 	p := new(peer.Peer)
 	p.ID = make(peer.ID, 16)
-	p.Addresses = []*ma.Multiaddr{nil}
+	p.Addresses = []ma.Multiaddr{nil}
 	crand.Read(p.ID)
 	return p
 }