Example #1
0
// TestVersion tests the MsgVersion API.
func TestVersion(t *testing.T) {
	pver := btcwire.ProtocolVersion

	// Create version message data.
	userAgent := "/btcdtest:0.0.1/"
	lastBlock := int32(234234)
	tcpAddrMe := &net.TCPAddr{IP: net.ParseIP("127.0.0.1"), Port: 8333}
	me, err := btcwire.NewNetAddress(tcpAddrMe, btcwire.SFNodeNetwork)
	if err != nil {
		t.Errorf("NewNetAddress: %v", err)
	}
	tcpAddrYou := &net.TCPAddr{IP: net.ParseIP("192.168.0.1"), Port: 8333}
	you, err := btcwire.NewNetAddress(tcpAddrYou, btcwire.SFNodeNetwork)
	if err != nil {
		t.Errorf("NewNetAddress: %v", err)
	}
	nonce, err := btcwire.RandomUint64()
	if err != nil {
		t.Errorf("RandomUint64: error generating nonce: %v", err)
	}

	// Ensure we get the correct data back out.
	msg := btcwire.NewMsgVersion(me, you, nonce, userAgent, lastBlock)
	if msg.ProtocolVersion != int32(pver) {
		t.Errorf("NewMsgVersion: wrong protocol version - got %v, want %v",
			msg.ProtocolVersion, pver)
	}
	if !reflect.DeepEqual(&msg.AddrMe, me) {
		t.Errorf("NewMsgVersion: wrong me address - got %v, want %v",
			spew.Sdump(&msg.AddrMe), spew.Sdump(me))
	}
	if !reflect.DeepEqual(&msg.AddrYou, you) {
		t.Errorf("NewMsgVersion: wrong you address - got %v, want %v",
			spew.Sdump(&msg.AddrYou), spew.Sdump(you))
	}
	if msg.Nonce != nonce {
		t.Errorf("NewMsgVersion: wrong nonce - got %v, want %v",
			msg.Nonce, nonce)
	}
	if msg.UserAgent != userAgent {
		t.Errorf("NewMsgVersion: wrong user agent - got %v, want %v",
			msg.UserAgent, userAgent)
	}
	if msg.LastBlock != lastBlock {
		t.Errorf("NewMsgVersion: wrong last block - got %v, want %v",
			msg.LastBlock, lastBlock)
	}

	// Version message should not have any services set by default.
	if msg.Services != 0 {
		t.Errorf("NewMsgVersion: wrong default services - got %v, want %v",
			msg.Services, 0)

	}
	if msg.HasService(btcwire.SFNodeNetwork) {
		t.Errorf("HasService: SFNodeNetwork service is set")
	}

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

	// Ensure max payload is expected value.
	// Protocol version 4 bytes + services 8 bytes + timestamp 8 bytes +
	// remote and local net addresses + nonce 8 bytes + length of user agent
	// (varInt) + max allowed user agent length + last block 4 bytes.
	wantPayload := uint32(2101)
	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)
	}

	// Ensure adding the full service node flag works.
	msg.AddService(btcwire.SFNodeNetwork)
	if msg.Services != btcwire.SFNodeNetwork {
		t.Errorf("AddService: wrong services - got %v, want %v",
			msg.Services, btcwire.SFNodeNetwork)
	}
	if !msg.HasService(btcwire.SFNodeNetwork) {
		t.Errorf("HasService: SFNodeNetwork service not set")
	}

	// Use a fake connection.
	conn := &fakeConn{localAddr: tcpAddrMe, remoteAddr: tcpAddrYou}
	msg, err = btcwire.NewMsgVersionFromConn(conn, nonce, userAgent, lastBlock)
	if err != nil {
		t.Errorf("NewMsgVersionFromConn: %v", err)
	}

	// Ensure we get the correct connection data back out.
	if !msg.AddrMe.IP.Equal(tcpAddrMe.IP) {
		t.Errorf("NewMsgVersionFromConn: wrong me ip - got %v, want %v",
			msg.AddrMe.IP, tcpAddrMe.IP)
	}
	if !msg.AddrYou.IP.Equal(tcpAddrYou.IP) {
		t.Errorf("NewMsgVersionFromConn: wrong you ip - got %v, want %v",
			msg.AddrYou.IP, tcpAddrYou.IP)
	}

	// Use a fake connection with local UDP addresses to force a failure.
	conn = &fakeConn{
		localAddr:  &net.UDPAddr{IP: net.ParseIP("127.0.0.1"), Port: 8333},
		remoteAddr: tcpAddrYou,
	}
	msg, err = btcwire.NewMsgVersionFromConn(conn, nonce, userAgent, lastBlock)
	if err != btcwire.ErrInvalidNetAddr {
		t.Errorf("NewMsgVersionFromConn: expected error not received "+
			"- got %v, want %v", err, btcwire.ErrInvalidNetAddr)
	}

	// Use a fake connection with remote UDP addresses to force a failure.
	conn = &fakeConn{
		localAddr:  tcpAddrMe,
		remoteAddr: &net.UDPAddr{IP: net.ParseIP("192.168.0.1"), Port: 8333},
	}
	msg, err = btcwire.NewMsgVersionFromConn(conn, nonce, userAgent, lastBlock)
	if err != btcwire.ErrInvalidNetAddr {
		t.Errorf("NewMsgVersionFromConn: expected error not received "+
			"- got %v, want %v", err, btcwire.ErrInvalidNetAddr)
	}

	return
}
Example #2
0
// TestAddr tests the MsgAddr API.
func TestAddr(t *testing.T) {
	pver := btcwire.ProtocolVersion

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

	// Ensure max payload is expected value for latest protocol version.
	// Num addresses (varInt) + max allowed addresses.
	wantPayload := uint32(30009)
	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)
	}

	// Ensure NetAddresses are added properly.
	tcpAddr := &net.TCPAddr{IP: net.ParseIP("127.0.0.1"), Port: 8333}
	na, err := btcwire.NewNetAddress(tcpAddr, btcwire.SFNodeNetwork)
	if err != nil {
		t.Errorf("NewNetAddress: %v", err)
	}
	err = msg.AddAddress(na)
	if err != nil {
		t.Errorf("AddAddress: %v", err)
	}
	if msg.AddrList[0] != na {
		t.Errorf("AddAddress: wrong address added - got %v, want %v",
			spew.Sprint(msg.AddrList[0]), spew.Sprint(na))
	}

	// Ensure the address list is cleared properly.
	msg.ClearAddresses()
	if len(msg.AddrList) != 0 {
		t.Errorf("ClearAddresses: address list is not empty - "+
			"got %v [%v], want %v", len(msg.AddrList),
			spew.Sprint(msg.AddrList[0]), 0)
	}

	// Ensure adding more than the max allowed addresses per message returns
	// error.
	for i := 0; i < btcwire.MaxAddrPerMsg+1; i++ {
		err = msg.AddAddress(na)
	}
	if err == nil {
		t.Errorf("AddAddress: expected error on too many addresses " +
			"not received")
	}
	err = msg.AddAddresses(na)
	if err == nil {
		t.Errorf("AddAddresses: expected error on too many addresses " +
			"not received")
	}

	// Ensure max payload is expected value for protocol versions before
	// timestamp was added to NetAddress.
	// Num addresses (varInt) + max allowed addresses.
	pver = btcwire.NetAddressTimeVersion - 1
	wantPayload = uint32(26009)
	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)
	}

	// Ensure max payload is expected value for protocol versions before
	// multiple addresses were allowed.
	// Num addresses (varInt) + a single net addresses.
	pver = btcwire.MultipleAddressVersion - 1
	wantPayload = uint32(35)
	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)
	}

	return
}
Example #3
0
// TestNetAddress tests the NetAddress API.
func TestNetAddress(t *testing.T) {
	ip := net.ParseIP("127.0.0.1")
	port := 8333

	// Test NewNetAddress.
	tcpAddr := &net.TCPAddr{
		IP:   ip,
		Port: port,
	}
	na, err := btcwire.NewNetAddress(tcpAddr, 0)
	if err != nil {
		t.Errorf("NewNetAddress: %v", err)
	}

	// Ensure we get the same ip, port, and services back out.
	if !na.IP.Equal(ip) {
		t.Errorf("NetNetAddress: wrong ip - got %v, want %v", na.IP, ip)
	}
	if na.Port != uint16(port) {
		t.Errorf("NetNetAddress: wrong port - got %v, want %v", na.Port,
			port)
	}
	if na.Services != 0 {
		t.Errorf("NetNetAddress: wrong services - got %v, want %v",
			na.Services, 0)
	}
	if na.HasService(btcwire.SFNodeNetwork) {
		t.Errorf("HasService: SFNodeNetwork service is set")
	}

	// Ensure adding the full service node flag works.
	na.AddService(btcwire.SFNodeNetwork)
	if na.Services != btcwire.SFNodeNetwork {
		t.Errorf("AddService: wrong services - got %v, want %v",
			na.Services, btcwire.SFNodeNetwork)
	}
	if !na.HasService(btcwire.SFNodeNetwork) {
		t.Errorf("HasService: SFNodeNetwork service not set")
	}

	// Ensure max payload is expected value for latest protocol version.
	pver := btcwire.ProtocolVersion
	wantPayload := uint32(30)
	maxPayload := btcwire.TstMaxNetAddressPayload(btcwire.ProtocolVersion)
	if maxPayload != wantPayload {
		t.Errorf("maxNetAddressPayload: wrong max payload length for "+
			"protocol version %d - got %v, want %v", pver,
			maxPayload, wantPayload)
	}

	// Protocol version before NetAddressTimeVersion when timestamp was
	// added.  Ensure max payload is expected value for it.
	pver = btcwire.NetAddressTimeVersion - 1
	wantPayload = 26
	maxPayload = btcwire.TstMaxNetAddressPayload(pver)
	if maxPayload != wantPayload {
		t.Errorf("maxNetAddressPayload: wrong max payload length for "+
			"protocol version %d - got %v, want %v", pver,
			maxPayload, wantPayload)
	}

	// Check for expected failure on wrong address type.
	udpAddr := &net.UDPAddr{}
	_, err = btcwire.NewNetAddress(udpAddr, 0)
	if err != btcwire.ErrInvalidNetAddr {
		t.Errorf("NewNetAddress: expected error not received - "+
			"got %v, want %v", err, btcwire.ErrInvalidNetAddr)
	}
}
Example #4
0
// TestVersion tests the MsgVersion API.
func TestVersion(t *testing.T) {
	pver := btcwire.ProtocolVersion

	// Create version message data.
	lastBlock := int32(234234)
	tcpAddrMe := &net.TCPAddr{IP: net.ParseIP("127.0.0.1"), Port: 8333}
	me, err := btcwire.NewNetAddress(tcpAddrMe, btcwire.SFNodeNetwork)
	if err != nil {
		t.Errorf("NewNetAddress: %v", err)
	}
	tcpAddrYou := &net.TCPAddr{IP: net.ParseIP("192.168.0.1"), Port: 8333}
	you, err := btcwire.NewNetAddress(tcpAddrYou, btcwire.SFNodeNetwork)
	if err != nil {
		t.Errorf("NewNetAddress: %v", err)
	}
	nonce, err := btcwire.RandomUint64()
	if err != nil {
		t.Errorf("RandomUint64: error generating nonce: %v", err)
	}

	// Ensure we get the correct data back out.
	msg := btcwire.NewMsgVersion(me, you, nonce, lastBlock)
	if msg.ProtocolVersion != int32(pver) {
		t.Errorf("NewMsgVersion: wrong protocol version - got %v, want %v",
			msg.ProtocolVersion, pver)
	}
	if !reflect.DeepEqual(&msg.AddrMe, me) {
		t.Errorf("NewMsgVersion: wrong me address - got %v, want %v",
			spew.Sdump(&msg.AddrMe), spew.Sdump(me))
	}
	if !reflect.DeepEqual(&msg.AddrYou, you) {
		t.Errorf("NewMsgVersion: wrong you address - got %v, want %v",
			spew.Sdump(&msg.AddrYou), spew.Sdump(you))
	}
	if msg.Nonce != nonce {
		t.Errorf("NewMsgVersion: wrong nonce - got %v, want %v",
			msg.Nonce, nonce)
	}
	if msg.UserAgent != btcwire.DefaultUserAgent {
		t.Errorf("NewMsgVersion: wrong user agent - got %v, want %v",
			msg.UserAgent, btcwire.DefaultUserAgent)
	}
	if msg.LastBlock != lastBlock {
		t.Errorf("NewMsgVersion: wrong last block - got %v, want %v",
			msg.LastBlock, lastBlock)
	}
	if msg.DisableRelayTx != false {
		t.Errorf("NewMsgVersion: disable relay tx is not false by "+
			"default - got %v, want %v", msg.DisableRelayTx, false)
	}

	msg.AddUserAgent("myclient", "1.2.3", "optional", "comments")
	customUserAgent := btcwire.DefaultUserAgent + "myclient:1.2.3(optional; comments)/"
	if msg.UserAgent != customUserAgent {
		t.Errorf("AddUserAgent: wrong user agent - got %s, want %s",
			msg.UserAgent, customUserAgent)
	}

	msg.AddUserAgent("mygui", "3.4.5")
	customUserAgent += "mygui:3.4.5/"
	if msg.UserAgent != customUserAgent {
		t.Errorf("AddUserAgent: wrong user agent - got %s, want %s",
			msg.UserAgent, customUserAgent)
	}

	// accounting for ":", "/"
	err = msg.AddUserAgent(strings.Repeat("t",
		btcwire.MaxUserAgentLen-len(customUserAgent)-2+1), "")
	if _, ok := err.(*btcwire.MessageError); !ok {
		t.Errorf("AddUserAgent: expected error not received "+
			"- got %v, want %T", err, btcwire.MessageError{})

	}

	// Version message should not have any services set by default.
	if msg.Services != 0 {
		t.Errorf("NewMsgVersion: wrong default services - got %v, want %v",
			msg.Services, 0)

	}
	if msg.HasService(btcwire.SFNodeNetwork) {
		t.Errorf("HasService: SFNodeNetwork service is set")
	}

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

	// Ensure max payload is expected value.
	// Protocol version 4 bytes + services 8 bytes + timestamp 8 bytes +
	// remote and local net addresses + nonce 8 bytes + length of user agent
	// (varInt) + max allowed user agent length + last block 4 bytes +
	// relay transactions flag 1 byte.
	wantPayload := uint32(2102)
	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)
	}

	// Ensure adding the full service node flag works.
	msg.AddService(btcwire.SFNodeNetwork)
	if msg.Services != btcwire.SFNodeNetwork {
		t.Errorf("AddService: wrong services - got %v, want %v",
			msg.Services, btcwire.SFNodeNetwork)
	}
	if !msg.HasService(btcwire.SFNodeNetwork) {
		t.Errorf("HasService: SFNodeNetwork service not set")
	}

	// Use a fake connection.
	conn := &fakeConn{localAddr: tcpAddrMe, remoteAddr: tcpAddrYou}
	msg, err = btcwire.NewMsgVersionFromConn(conn, nonce, lastBlock)
	if err != nil {
		t.Errorf("NewMsgVersionFromConn: %v", err)
	}

	// Ensure we get the correct connection data back out.
	if !msg.AddrMe.IP.Equal(tcpAddrMe.IP) {
		t.Errorf("NewMsgVersionFromConn: wrong me ip - got %v, want %v",
			msg.AddrMe.IP, tcpAddrMe.IP)
	}
	if !msg.AddrYou.IP.Equal(tcpAddrYou.IP) {
		t.Errorf("NewMsgVersionFromConn: wrong you ip - got %v, want %v",
			msg.AddrYou.IP, tcpAddrYou.IP)
	}

	// Use a fake connection with local UDP addresses to force a failure.
	conn = &fakeConn{
		localAddr:  &net.UDPAddr{IP: net.ParseIP("127.0.0.1"), Port: 8333},
		remoteAddr: tcpAddrYou,
	}
	msg, err = btcwire.NewMsgVersionFromConn(conn, nonce, lastBlock)
	if err != btcwire.ErrInvalidNetAddr {
		t.Errorf("NewMsgVersionFromConn: expected error not received "+
			"- got %v, want %v", err, btcwire.ErrInvalidNetAddr)
	}

	// Use a fake connection with remote UDP addresses to force a failure.
	conn = &fakeConn{
		localAddr:  tcpAddrMe,
		remoteAddr: &net.UDPAddr{IP: net.ParseIP("192.168.0.1"), Port: 8333},
	}
	msg, err = btcwire.NewMsgVersionFromConn(conn, nonce, lastBlock)
	if err != btcwire.ErrInvalidNetAddr {
		t.Errorf("NewMsgVersionFromConn: expected error not received "+
			"- got %v, want %v", err, btcwire.ErrInvalidNetAddr)
	}

	return
}
Example #5
0
// TestMessage tests the Read/WriteMessage API.
func TestMessage(t *testing.T) {
	pver := btcwire.ProtocolVersion

	// Create the various types of messages to test.

	// MsgVersion.
	addrYou := &net.TCPAddr{IP: net.ParseIP("192.168.0.1"), Port: 8333}
	you, err := btcwire.NewNetAddress(addrYou, btcwire.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 := btcwire.NewNetAddress(addrMe, btcwire.SFNodeNetwork)
	if err != nil {
		t.Errorf("NewNetAddress: %v", err)
	}
	me.Timestamp = time.Time{} // Version message has zero value timestamp.
	msgVersion := btcwire.NewMsgVersion(me, you, 123123, "/test:0.0.1/", 0)

	msgVerack := btcwire.NewMsgVerAck()
	msgGetAddr := btcwire.NewMsgGetAddr()
	msgAddr := btcwire.NewMsgAddr()
	msgGetBlocks := btcwire.NewMsgGetBlocks(&btcwire.ShaHash{})
	msgBlock := &blockOne
	msgInv := btcwire.NewMsgInv()
	msgGetData := btcwire.NewMsgGetData()
	msgNotFound := btcwire.NewMsgNotFound()
	msgTx := btcwire.NewMsgTx()
	msgPing := btcwire.NewMsgPing(123123)
	msgPong := btcwire.NewMsgPong(123123)
	msgGetHeaders := btcwire.NewMsgGetHeaders()
	msgHeaders := btcwire.NewMsgHeaders()
	msgAlert := btcwire.NewMsgAlert("payload", "signature")
	msgMemPool := btcwire.NewMsgMemPool()

	tests := []struct {
		in     btcwire.Message    // Value to encode
		out    btcwire.Message    // Expected decoded value
		pver   uint32             // Protocol version for wire encoding
		btcnet btcwire.BitcoinNet // Network to use for wire encoding
	}{
		{msgVersion, msgVersion, pver, btcwire.MainNet},
		{msgVerack, msgVerack, pver, btcwire.MainNet},
		{msgGetAddr, msgGetAddr, pver, btcwire.MainNet},
		{msgAddr, msgAddr, pver, btcwire.MainNet},
		{msgGetBlocks, msgGetBlocks, pver, btcwire.MainNet},
		{msgBlock, msgBlock, pver, btcwire.MainNet},
		{msgInv, msgInv, pver, btcwire.MainNet},
		{msgGetData, msgGetData, pver, btcwire.MainNet},
		{msgNotFound, msgNotFound, pver, btcwire.MainNet},
		{msgTx, msgTx, pver, btcwire.MainNet},
		{msgPing, msgPing, pver, btcwire.MainNet},
		{msgPong, msgPong, pver, btcwire.MainNet},
		{msgGetHeaders, msgGetHeaders, pver, btcwire.MainNet},
		{msgHeaders, msgHeaders, pver, btcwire.MainNet},
		{msgAlert, msgAlert, pver, btcwire.MainNet},
		{msgMemPool, msgMemPool, pver, btcwire.MainNet},
	}

	t.Logf("Running %d tests", len(tests))
	for i, test := range tests {
		// Encode to wire format.
		var buf bytes.Buffer
		err := btcwire.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.NewBuffer(buf.Bytes())
		msg, _, err := btcwire.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
		}
	}
}