pkg: hide it by moving to _pkg.dev

The idea here is to preserve the history of `dev` branch development and its
code when merging with the `master`. Later this code could be moved into the
masters code where appropriate.

_pkg.dev/wire/payload/maddr_test.go

@@ -0,0 +1,40 @@
+package payload
+
+import (
+	"bytes"
+	"net"
+	"testing"
+	"time"
+
+	"github.com/CityOfZion/neo-go/pkg/wire/util/Checksum"
+
+	"github.com/CityOfZion/neo-go/pkg/wire/protocol"
+	"github.com/stretchr/testify/assert"
+)
+
+func TestAddrMessageEncodeDecode(t *testing.T) {
+
+	ip := []byte(net.ParseIP("127.0.0.1").To16())
+
+	var ipByte [16]byte
+	copy(ipByte[:], ip)
+
+	netaddr, err := NewNetAddr(uint32(time.Now().Unix()), ipByte, 8080, protocol.NodePeerService)
+	addrmsg, err := NewAddrMessage()
+	addrmsg.AddNetAddr(netaddr)
+
+	buf := new(bytes.Buffer)
+	err = addrmsg.EncodePayload(buf)
+	expected := checksum.FromBuf(buf)
+
+	addrmsgDec, err := NewAddrMessage()
+	r := bytes.NewReader(buf.Bytes())
+	err = addrmsgDec.DecodePayload(r)
+
+	buf = new(bytes.Buffer)
+	err = addrmsgDec.EncodePayload(buf)
+	have := checksum.FromBuf(buf)
+
+	assert.Equal(t, nil, err)
+	assert.Equal(t, expected, have)
+}