Esempio n. 1
0
// TestMessage tests the Read/WriteMessage and Read/WriteMessageN API.
func TestMessage(t *testing.T) {
	pver := wire.ProtocolVersion

	// Create the various types of messages to test.

	// MsgVersion.
	addrYou := &net.TCPAddr{IP: net.ParseIP("192.168.0.1"), Port: 8333}
	you, err := wire.NewNetAddress(addrYou, wire.SFNodeNetwork)
	if err != nil {
		t.Errorf("NewNetAddress: %v", err)
	}
	you.Timestamp = time.Time{} // Version message has zero value timestamp.
	addrMe := &net.TCPAddr{IP: net.ParseIP("127.0.0.1"), Port: 8333}
	me, err := wire.NewNetAddress(addrMe, wire.SFNodeNetwork)
	if err != nil {
		t.Errorf("NewNetAddress: %v", err)
	}
	me.Timestamp = time.Time{} // Version message has zero value timestamp.
	msgVersion := wire.NewMsgVersion(me, you, 123123, 0)

	msgVerack := wire.NewMsgVerAck()
	msgGetAddr := wire.NewMsgGetAddr()
	msgAddr := wire.NewMsgAddr()
	msgGetBlocks := wire.NewMsgGetBlocks(&wire.ShaHash{})
	msgBlock := &blockOne
	msgInv := wire.NewMsgInv()
	msgGetData := wire.NewMsgGetData()
	msgNotFound := wire.NewMsgNotFound()
	msgTx := wire.NewMsgTx()
	msgPing := wire.NewMsgPing(123123)
	msgPong := wire.NewMsgPong(123123)
	msgGetHeaders := wire.NewMsgGetHeaders()
	msgHeaders := wire.NewMsgHeaders()
	msgAlert := wire.NewMsgAlert([]byte("payload"), []byte("signature"))
	msgMemPool := wire.NewMsgMemPool()
	msgFilterAdd := wire.NewMsgFilterAdd([]byte{0x01})
	msgFilterClear := wire.NewMsgFilterClear()
	msgFilterLoad := wire.NewMsgFilterLoad([]byte{0x01}, 10, 0, wire.BloomUpdateNone)
	bh := wire.NewBlockHeader(&wire.ShaHash{}, &wire.ShaHash{}, 0, 0)
	msgMerkleBlock := wire.NewMsgMerkleBlock(bh)
	msgReject := wire.NewMsgReject("block", wire.RejectDuplicate, "duplicate block")

	tests := []struct {
		in     wire.Message    // Value to encode
		out    wire.Message    // Expected decoded value
		pver   uint32          // Protocol version for wire encoding
		btcnet wire.BitcoinNet // Network to use for wire encoding
		bytes  int             // Expected num bytes read/written
	}{
		{msgVersion, msgVersion, pver, wire.MainNet, 125},
		{msgVerack, msgVerack, pver, wire.MainNet, 24},
		{msgGetAddr, msgGetAddr, pver, wire.MainNet, 24},
		{msgAddr, msgAddr, pver, wire.MainNet, 25},
		{msgGetBlocks, msgGetBlocks, pver, wire.MainNet, 61},
		{msgBlock, msgBlock, pver, wire.MainNet, 239},
		{msgInv, msgInv, pver, wire.MainNet, 25},
		{msgGetData, msgGetData, pver, wire.MainNet, 25},
		{msgNotFound, msgNotFound, pver, wire.MainNet, 25},
		{msgTx, msgTx, pver, wire.MainNet, 34},
		{msgPing, msgPing, pver, wire.MainNet, 32},
		{msgPong, msgPong, pver, wire.MainNet, 32},
		{msgGetHeaders, msgGetHeaders, pver, wire.MainNet, 61},
		{msgHeaders, msgHeaders, pver, wire.MainNet, 25},
		{msgAlert, msgAlert, pver, wire.MainNet, 42},
		{msgMemPool, msgMemPool, pver, wire.MainNet, 24},
		{msgFilterAdd, msgFilterAdd, pver, wire.MainNet, 26},
		{msgFilterClear, msgFilterClear, pver, wire.MainNet, 24},
		{msgFilterLoad, msgFilterLoad, pver, wire.MainNet, 35},
		{msgMerkleBlock, msgMerkleBlock, pver, wire.MainNet, 110},
		{msgReject, msgReject, pver, wire.MainNet, 79},
	}

	t.Logf("Running %d tests", len(tests))
	for i, test := range tests {
		// Encode to wire format.
		var buf bytes.Buffer
		nw, err := wire.WriteMessageN(&buf, test.in, test.pver, test.btcnet)
		if err != nil {
			t.Errorf("WriteMessage #%d error %v", i, err)
			continue
		}

		// Ensure the number of bytes written match the expected value.
		if nw != test.bytes {
			t.Errorf("WriteMessage #%d unexpected num bytes "+
				"written - got %d, want %d", i, nw, test.bytes)
		}

		// Decode from wire format.
		rbuf := bytes.NewReader(buf.Bytes())
		nr, msg, _, err := wire.ReadMessageN(rbuf, test.pver, test.btcnet)
		if err != nil {
			t.Errorf("ReadMessage #%d error %v, msg %v", i, err,
				spew.Sdump(msg))
			continue
		}
		if !reflect.DeepEqual(msg, test.out) {
			t.Errorf("ReadMessage #%d\n got: %v want: %v", i,
				spew.Sdump(msg), spew.Sdump(test.out))
			continue
		}

		// Ensure the number of bytes read match the expected value.
		if nr != test.bytes {
			t.Errorf("ReadMessage #%d unexpected num bytes read - "+
				"got %d, want %d", i, nr, test.bytes)
		}
	}

	// Do the same thing for Read/WriteMessage, but ignore the bytes since
	// they don't return them.
	t.Logf("Running %d tests", len(tests))
	for i, test := range tests {
		// Encode to wire format.
		var buf bytes.Buffer
		err := wire.WriteMessage(&buf, test.in, test.pver, test.btcnet)
		if err != nil {
			t.Errorf("WriteMessage #%d error %v", i, err)
			continue
		}

		// Decode from wire format.
		rbuf := bytes.NewReader(buf.Bytes())
		msg, _, err := wire.ReadMessage(rbuf, test.pver, test.btcnet)
		if err != nil {
			t.Errorf("ReadMessage #%d error %v, msg %v", i, err,
				spew.Sdump(msg))
			continue
		}
		if !reflect.DeepEqual(msg, test.out) {
			t.Errorf("ReadMessage #%d\n got: %v want: %v", i,
				spew.Sdump(msg), spew.Sdump(test.out))
			continue
		}
	}
}
Esempio n. 2
0
// TestMsgAlertWireErrors performs negative tests against wire encode and decode
// of MsgAlert to confirm error paths work correctly.
func TestMsgAlertWireErrors(t *testing.T) {
	pver := wire.ProtocolVersion

	baseMsgAlert := wire.NewMsgAlert([]byte("some payload"), []byte("somesig"))
	baseMsgAlertEncoded := []byte{
		0x0c, // Varint for payload length
		0x73, 0x6f, 0x6d, 0x65, 0x20, 0x70, 0x61, 0x79,
		0x6c, 0x6f, 0x61, 0x64, // "some payload"
		0x07,                                     // Varint for signature length
		0x73, 0x6f, 0x6d, 0x65, 0x73, 0x69, 0x67, // "somesig"
	}

	tests := []struct {
		in       *wire.MsgAlert // Value to encode
		buf      []byte         // Wire encoding
		pver     uint32         // Protocol version for wire encoding
		max      int            // Max size of fixed buffer to induce errors
		writeErr error          // Expected write error
		readErr  error          // Expected read error
	}{
		// Force error in payload length.
		{baseMsgAlert, baseMsgAlertEncoded, pver, 0, io.ErrShortWrite, io.EOF},
		// Force error in payload.
		{baseMsgAlert, baseMsgAlertEncoded, pver, 1, io.ErrShortWrite, io.EOF},
		// Force error in signature length.
		{baseMsgAlert, baseMsgAlertEncoded, pver, 13, io.ErrShortWrite, io.EOF},
		// Force error in signature.
		{baseMsgAlert, baseMsgAlertEncoded, pver, 14, io.ErrShortWrite, io.EOF},
	}

	t.Logf("Running %d tests", len(tests))
	for i, test := range tests {
		// Encode to wire format.
		w := newFixedWriter(test.max)
		err := test.in.BtcEncode(w, test.pver)
		if reflect.TypeOf(err) != reflect.TypeOf(test.writeErr) {
			t.Errorf("BtcEncode #%d wrong error got: %v, want: %v",
				i, err, test.writeErr)
			continue
		}

		// For errors which are not of type wire.MessageError, check
		// them for equality.
		if _, ok := err.(*wire.MessageError); !ok {
			if err != test.writeErr {
				t.Errorf("BtcEncode #%d wrong error got: %v, "+
					"want: %v", i, err, test.writeErr)
				continue
			}
		}

		// Decode from wire format.
		var msg wire.MsgAlert
		r := newFixedReader(test.max, test.buf)
		err = msg.BtcDecode(r, test.pver)
		if reflect.TypeOf(err) != reflect.TypeOf(test.readErr) {
			t.Errorf("BtcDecode #%d wrong error got: %v, want: %v",
				i, err, test.readErr)
			continue
		}

		// For errors which are not of type wire.MessageError, check
		// them for equality.
		if _, ok := err.(*wire.MessageError); !ok {
			if err != test.readErr {
				t.Errorf("BtcDecode #%d wrong error got: %v, "+
					"want: %v", i, err, test.readErr)
				continue
			}
		}
	}

	// Test Error on empty Payload
	baseMsgAlert.SerializedPayload = []byte{}
	w := new(bytes.Buffer)
	err := baseMsgAlert.BtcEncode(w, pver)
	if _, ok := err.(*wire.MessageError); !ok {
		t.Errorf("MsgAlert.BtcEncode wrong error got: %T, want: %T",
			err, wire.MessageError{})
	}

	// Test Payload Serialize error
	// overflow the max number of elements in SetCancel
	baseMsgAlert.Payload = new(wire.Alert)
	baseMsgAlert.Payload.SetCancel = make([]int32, wire.MaxCountSetCancel+1)
	buf := *new(bytes.Buffer)
	err = baseMsgAlert.BtcEncode(&buf, pver)
	if _, ok := err.(*wire.MessageError); !ok {
		t.Errorf("MsgAlert.BtcEncode wrong error got: %T, want: %T",
			err, wire.MessageError{})
	}

	// overflow the max number of elements in SetSubVer
	baseMsgAlert.Payload = new(wire.Alert)
	baseMsgAlert.Payload.SetSubVer = make([]string, wire.MaxCountSetSubVer+1)
	buf = *new(bytes.Buffer)
	err = baseMsgAlert.BtcEncode(&buf, pver)
	if _, ok := err.(*wire.MessageError); !ok {
		t.Errorf("MsgAlert.BtcEncode wrong error got: %T, want: %T",
			err, wire.MessageError{})
	}
}
Esempio n. 3
0
// TestMsgAlertWire tests the MsgAlert wire encode and decode for various protocol
// versions.
func TestMsgAlertWire(t *testing.T) {
	baseMsgAlert := wire.NewMsgAlert([]byte("some payload"), []byte("somesig"))
	baseMsgAlertEncoded := []byte{
		0x0c, // Varint for payload length
		0x73, 0x6f, 0x6d, 0x65, 0x20, 0x70, 0x61, 0x79,
		0x6c, 0x6f, 0x61, 0x64, // "some payload"
		0x07,                                     // Varint for signature length
		0x73, 0x6f, 0x6d, 0x65, 0x73, 0x69, 0x67, // "somesig"
	}

	tests := []struct {
		in   *wire.MsgAlert // Message to encode
		out  *wire.MsgAlert // Expected decoded message
		buf  []byte         // Wire encoding
		pver uint32         // Protocol version for wire encoding
	}{
		// Latest protocol version.
		{
			baseMsgAlert,
			baseMsgAlert,
			baseMsgAlertEncoded,
			wire.ProtocolVersion,
		},

		// Protocol version BIP0035Version.
		{
			baseMsgAlert,
			baseMsgAlert,
			baseMsgAlertEncoded,
			wire.BIP0035Version,
		},

		// Protocol version BIP0031Version.
		{
			baseMsgAlert,
			baseMsgAlert,
			baseMsgAlertEncoded,
			wire.BIP0031Version,
		},

		// Protocol version NetAddressTimeVersion.
		{
			baseMsgAlert,
			baseMsgAlert,
			baseMsgAlertEncoded,
			wire.NetAddressTimeVersion,
		},

		// Protocol version MultipleAddressVersion.
		{
			baseMsgAlert,
			baseMsgAlert,
			baseMsgAlertEncoded,
			wire.MultipleAddressVersion,
		},
	}

	t.Logf("Running %d tests", len(tests))
	for i, test := range tests {
		// Encode the message to wire format.
		var buf bytes.Buffer
		err := test.in.BtcEncode(&buf, test.pver)
		if err != nil {
			t.Errorf("BtcEncode #%d error %v", i, err)
			continue
		}
		if !bytes.Equal(buf.Bytes(), test.buf) {
			t.Errorf("BtcEncode #%d\n got: %s want: %s", i,
				spew.Sdump(buf.Bytes()), spew.Sdump(test.buf))
			continue
		}

		// Decode the message from wire format.
		var msg wire.MsgAlert
		rbuf := bytes.NewReader(test.buf)
		err = msg.BtcDecode(rbuf, test.pver)
		if err != nil {
			t.Errorf("BtcDecode #%d error %v", i, err)
			continue
		}
		if !reflect.DeepEqual(&msg, test.out) {
			t.Errorf("BtcDecode #%d\n got: %s want: %s", i,
				spew.Sdump(msg), spew.Sdump(test.out))
			continue
		}
	}
}
Esempio n. 4
0
// TestMsgAlert tests the MsgAlert API.
func TestMsgAlert(t *testing.T) {
	pver := wire.ProtocolVersion
	serializedpayload := []byte("some message")
	signature := []byte("some sig")

	// Ensure we get the same payload and signature back out.
	msg := wire.NewMsgAlert(serializedpayload, signature)
	if !reflect.DeepEqual(msg.SerializedPayload, serializedpayload) {
		t.Errorf("NewMsgAlert: wrong serializedpayload - got %v, want %v",
			msg.SerializedPayload, serializedpayload)
	}
	if !reflect.DeepEqual(msg.Signature, signature) {
		t.Errorf("NewMsgAlert: wrong signature - got %v, want %v",
			msg.Signature, signature)
	}

	// Ensure the command is expected value.
	wantCmd := "alert"
	if cmd := msg.Command(); cmd != wantCmd {
		t.Errorf("NewMsgAlert: wrong command - got %v want %v",
			cmd, wantCmd)
	}

	// Ensure max payload is expected value.
	wantPayload := uint32(1024 * 1024 * 32)
	maxPayload := msg.MaxPayloadLength(pver)
	if maxPayload != wantPayload {
		t.Errorf("MaxPayloadLength: wrong max payload length for "+
			"protocol version %d - got %v, want %v", pver,
			maxPayload, wantPayload)
	}

	// Test BtcEncode with Payload == nil
	var buf bytes.Buffer
	err := msg.BtcEncode(&buf, pver)
	if err != nil {
		t.Error(err.Error())
	}
	// expected = 0x0c + serializedpayload + 0x08 + signature
	expectedBuf := append([]byte{0x0c}, serializedpayload...)
	expectedBuf = append(expectedBuf, []byte{0x08}...)
	expectedBuf = append(expectedBuf, signature...)
	if !bytes.Equal(buf.Bytes(), expectedBuf) {
		t.Errorf("BtcEncode got: %s want: %s",
			spew.Sdump(buf.Bytes()), spew.Sdump(expectedBuf))
	}

	// Test BtcEncode with Payload != nil
	// note: Payload is an empty Alert but not nil
	msg.Payload = new(wire.Alert)
	buf = *new(bytes.Buffer)
	err = msg.BtcEncode(&buf, pver)
	if err != nil {
		t.Error(err.Error())
	}
	// empty Alert is 45 null bytes, see Alert comments
	// for details
	// expected = 0x2d + 45*0x00 + 0x08 + signature
	expectedBuf = append([]byte{0x2d}, bytes.Repeat([]byte{0x00}, 45)...)
	expectedBuf = append(expectedBuf, []byte{0x08}...)
	expectedBuf = append(expectedBuf, signature...)
	if !bytes.Equal(buf.Bytes(), expectedBuf) {
		t.Errorf("BtcEncode got: %s want: %s",
			spew.Sdump(buf.Bytes()), spew.Sdump(expectedBuf))
	}
}