p2p: Integrate new Transport

We are swapping the exisiting listener implementation with the newly
introduced Transport and its default implementation MultiplexTransport,
removing a large chunk of old connection setup and handling scattered
over the Peer and Switch code. The Switch requires a Transport now and
handles externally passed Peer filters.

blockchain/reactor_test.go

@@ -42,7 +42,7 @@ func newBlockchainReactor(logger log.Logger, maxBlockHeight int64) *BlockchainRe
 	bcReactor.SetLogger(logger.With("module", "blockchain"))
 
 	// Next: we need to set a switch in order for peers to be added in
-	bcReactor.Switch = p2p.NewSwitch(cfg.DefaultP2PConfig())
+	bcReactor.Switch = p2p.NewSwitch(cfg.DefaultP2PConfig(), nil)
 
 	// Lastly: let's add some blocks in
 	for blockHeight := int64(1); blockHeight <= maxBlockHeight; blockHeight++ {

consensus/byzantine_test.go

@@ -39,7 +39,13 @@ func TestByzantine(t *testing.T) {
 	switches := make([]*p2p.Switch, N)
 	p2pLogger := logger.With("module", "p2p")
 	for i := 0; i < N; i++ {
-		switches[i] = p2p.NewSwitch(config.P2P)
+		switches[i] = p2p.MakeSwitch(
+			config.P2P,
+			i,
+			"foo", "1.0.0",
+			func(i int, sw *p2p.Switch) *p2p.Switch {
+				return sw
+			})
 		switches[i].SetLogger(p2pLogger.With("validator", i))
 	}