Golang btcwire.MsgVersion类代码示例

原作者: [db:作者] 来自: [db:来源] 收藏邀请

本文整理汇总了Golang中github.com/conformal/btcwire.MsgVersion类的典型用法代码示例。如果您正苦于以下问题：Golang MsgVersion类的具体用法？Golang MsgVersion怎么用？Golang MsgVersion使用的例子？那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。

在下文中一共展示了MsgVersion类的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: TestVersionWireErrors

// TestVersionWireErrors performs negative tests against wire encode and
// decode of MsgGetHeaders to confirm error paths work correctly.
func TestVersionWireErrors(t *testing.T) {
	// Use protocol version 60002 specifically here instead of the latest
	// because the test data is using bytes encoded with that protocol
	// version.
	pver := uint32(60002)
	btcwireErr := &btcwire.MessageError{}

	// Copy the base version and change the user agent to exceed max limits.
	bvc := *baseVersion
	exceedUAVer := &bvc
	newUA := "/" + strings.Repeat("t", btcwire.MaxUserAgentLen-8+1) + ":0.0.1/"
	exceedUAVer.UserAgent = newUA

	// Encode the new UA length as a varint.
	var newUAVarIntBuf bytes.Buffer
	err := btcwire.TstWriteVarInt(&newUAVarIntBuf, pver, uint64(len(newUA)))
	if err != nil {
		t.Errorf("writeVarInt: error %v", err)
	}

	// Make a new buffer big enough to hold the base version plus the new
	// bytes for the bigger varint to hold the new size of the user agent
	// and the new user agent string.  Then stich it all together.
	newLen := len(baseVersionEncoded) - len(baseVersion.UserAgent)
	newLen = newLen + len(newUAVarIntBuf.Bytes()) - 1 + len(newUA)
	exceedUAVerEncoded := make([]byte, newLen)
	copy(exceedUAVerEncoded, baseVersionEncoded[0:80])
	copy(exceedUAVerEncoded[80:], newUAVarIntBuf.Bytes())
	copy(exceedUAVerEncoded[83:], []byte(newUA))
	copy(exceedUAVerEncoded[83+len(newUA):], baseVersionEncoded[97:100])

	tests := []struct {
		in       *btcwire.MsgVersion // 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 protocol version.
		{baseVersion, baseVersionEncoded, pver, 0, io.ErrShortWrite, io.EOF},
		// Force error in services.
		{baseVersion, baseVersionEncoded, pver, 4, io.ErrShortWrite, io.EOF},
		// Force error in timestamp.
		{baseVersion, baseVersionEncoded, pver, 12, io.ErrShortWrite, io.EOF},
		// Force error in remote address.
		{baseVersion, baseVersionEncoded, pver, 20, io.ErrShortWrite, io.EOF},
		// Force error in local address.
		{baseVersion, baseVersionEncoded, pver, 46, io.ErrShortWrite, io.EOF},
		// Force error in nonce.
		{baseVersion, baseVersionEncoded, pver, 72, io.ErrShortWrite, io.EOF},
		// Force error in user agent length.
		{baseVersion, baseVersionEncoded, pver, 80, io.ErrShortWrite, io.EOF},
		// Force error in user agent.
		{baseVersion, baseVersionEncoded, pver, 81, io.ErrShortWrite, io.EOF},
		// Force error in last block.
		{baseVersion, baseVersionEncoded, pver, 97, io.ErrShortWrite, io.EOF},
		// Force error due to user agent too big.
		{exceedUAVer, exceedUAVerEncoded, pver, newLen, btcwireErr, btcwireErr},
	}

	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 btcwire.MessageError, check
		// them for equality.
		if _, ok := err.(*btcwire.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 btcwire.MsgVersion
		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 btcwire.MessageError, check
		// them for equality.
		if _, ok := err.(*btcwire.MessageError); !ok {
			if err != test.readErr {
				t.Errorf("BtcDecode #%d wrong error got: %v, "+
					"want: %v", i, err, test.readErr)
//.........这里部分代码省略.........

开发者ID:hbcbh1999，项目名称:btcwire，代码行数:101，代码来源:msgversion_test.go

示例2: TestVersionWire

// TestAlertWire tests the MsgAlert wire encode and decode for various protocol
// versions.
func TestVersionWire(t *testing.T) {
	tests := []struct {
		in   *btcwire.MsgVersion // Message to encode
		out  *btcwire.MsgVersion // Expected decoded message
		buf  []byte              // Wire encoding
		pver uint32              // Protocol version for wire encoding
	}{
		// Latest protocol version.
		{
			baseVersion,
			baseVersion,
			baseVersionEncoded,
			btcwire.ProtocolVersion,
		},

		// Protocol version BIP0035Version.
		{
			baseVersion,
			baseVersion,
			baseVersionEncoded,
			btcwire.BIP0035Version,
		},

		// Protocol version BIP0031Version.
		{
			baseVersion,
			baseVersion,
			baseVersionEncoded,
			btcwire.BIP0031Version,
		},

		// Protocol version NetAddressTimeVersion.
		{
			baseVersion,
			baseVersion,
			baseVersionEncoded,
			btcwire.NetAddressTimeVersion,
		},

		// Protocol version MultipleAddressVersion.
		{
			baseVersion,
			baseVersion,
			baseVersionEncoded,
			btcwire.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 btcwire.MsgVersion
		rbuf := bytes.NewBuffer(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
		}
	}
}

开发者ID:hbcbh1999，项目名称:btcwire，代码行数:80，代码来源:msgversion_test.go

示例3: TestVersionWire

// TestVersionWire tests the MsgVersion wire encode and decode for various
// protocol versions.
func TestVersionWire(t *testing.T) {
	// verRelayTxFalse and verRelayTxFalseEncoded is a version message as of
	// BIP0037Version with the transaction relay disabled.
	baseVersionBIP0037Copy := *baseVersionBIP0037
	verRelayTxFalse := &baseVersionBIP0037Copy
	verRelayTxFalse.DisableRelayTx = true
	verRelayTxFalseEncoded := make([]byte, len(baseVersionBIP0037Encoded))
	copy(verRelayTxFalseEncoded, baseVersionBIP0037Encoded)
	verRelayTxFalseEncoded[len(verRelayTxFalseEncoded)-1] = 0

	tests := []struct {
		in   *btcwire.MsgVersion // Message to encode
		out  *btcwire.MsgVersion // Expected decoded message
		buf  []byte              // Wire encoding
		pver uint32              // Protocol version for wire encoding
	}{
		// Latest protocol version.
		{
			baseVersionBIP0037,
			baseVersionBIP0037,
			baseVersionBIP0037Encoded,
			btcwire.ProtocolVersion,
		},

		// Protocol version BIP0037Version with relay transactions field
		// true.
		{
			baseVersionBIP0037,
			baseVersionBIP0037,
			baseVersionBIP0037Encoded,
			btcwire.BIP0037Version,
		},

		// Protocol version BIP0037Version with relay transactions field
		// false.
		{
			verRelayTxFalse,
			verRelayTxFalse,
			verRelayTxFalseEncoded,
			btcwire.BIP0037Version,
		},

		// Protocol version BIP0035Version.
		{
			baseVersion,
			baseVersion,
			baseVersionEncoded,
			btcwire.BIP0035Version,
		},

		// Protocol version BIP0031Version.
		{
			baseVersion,
			baseVersion,
			baseVersionEncoded,
			btcwire.BIP0031Version,
		},

		// Protocol version NetAddressTimeVersion.
		{
			baseVersion,
			baseVersion,
			baseVersionEncoded,
			btcwire.NetAddressTimeVersion,
		},

		// Protocol version MultipleAddressVersion.
		{
			baseVersion,
			baseVersion,
			baseVersionEncoded,
			btcwire.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 btcwire.MsgVersion
		rbuf := bytes.NewBuffer(test.buf)
		err = msg.BtcDecode(rbuf, test.pver)
		if err != nil {
			t.Errorf("BtcDecode #%d error %v", i, err)
			continue
		}
//.........这里部分代码省略.........

开发者ID:kac-，项目名称:btcwire，代码行数:101，代码来源:msgversion_test.go

示例4: TestVersionOptionalFields

// TestVersionOptionalFields performs tests to ensure that an encoded version
// messages that omit optional fields are handled correctly.
func TestVersionOptionalFields(t *testing.T) {
	// onlyRequiredVersion is a version message that only contains the
	// required versions and all other values set to their default values.
	onlyRequiredVersion := btcwire.MsgVersion{
		ProtocolVersion: 60002,
		Services:        btcwire.SFNodeNetwork,
		Timestamp:       time.Unix(0x495fab29, 0), // 2009-01-03 12:15:05 -0600 CST)
		AddrYou: btcwire.NetAddress{
			Timestamp: time.Time{}, // Zero value -- no timestamp in version
			Services:  btcwire.SFNodeNetwork,
			IP:        net.ParseIP("192.168.0.1"),
			Port:      8333,
		},
	}
	onlyRequiredVersionEncoded := make([]byte, len(baseVersionEncoded)-55)
	copy(onlyRequiredVersionEncoded, baseVersionEncoded)

	// addrMeVersion is a version message that contains all fields through
	// the AddrMe field.
	addrMeVersion := onlyRequiredVersion
	addrMeVersion.AddrMe = btcwire.NetAddress{
		Timestamp: time.Time{}, // Zero value -- no timestamp in version
		Services:  btcwire.SFNodeNetwork,
		IP:        net.ParseIP("127.0.0.1"),
		Port:      8333,
	}
	addrMeVersionEncoded := make([]byte, len(baseVersionEncoded)-29)
	copy(addrMeVersionEncoded, baseVersionEncoded)

	// nonceVersion is a version message that contains all fields through
	// the Nonce field.
	nonceVersion := addrMeVersion
	nonceVersion.Nonce = 123123 // 0x1e0f3
	nonceVersionEncoded := make([]byte, len(baseVersionEncoded)-21)
	copy(nonceVersionEncoded, baseVersionEncoded)

	// uaVersion is a version message that contains all fields through
	// the UserAgent field.
	uaVersion := nonceVersion
	uaVersion.UserAgent = "/btcdtest:0.0.1/"
	uaVersionEncoded := make([]byte, len(baseVersionEncoded)-4)
	copy(uaVersionEncoded, baseVersionEncoded)

	// lastBlockVersion is a version message that contains all fields
	// through the LastBlock field.
	lastBlockVersion := uaVersion
	lastBlockVersion.LastBlock = 234234 // 0x392fa
	lastBlockVersionEncoded := make([]byte, len(baseVersionEncoded))
	copy(lastBlockVersionEncoded, baseVersionEncoded)

	tests := []struct {
		msg  *btcwire.MsgVersion // Expected message
		buf  []byte              // Wire encoding
		pver uint32              // Protocol version for wire encoding
	}{
		{
			&onlyRequiredVersion,
			onlyRequiredVersionEncoded,
			btcwire.ProtocolVersion,
		},
		{
			&addrMeVersion,
			addrMeVersionEncoded,
			btcwire.ProtocolVersion,
		},
		{
			&nonceVersion,
			nonceVersionEncoded,
			btcwire.ProtocolVersion,
		},
		{
			&uaVersion,
			uaVersionEncoded,
			btcwire.ProtocolVersion,
		},
		{
			&lastBlockVersion,
			lastBlockVersionEncoded,
			btcwire.ProtocolVersion,
		},
	}

	for i, test := range tests {
		// Decode the message from wire format.
		var msg btcwire.MsgVersion
		rbuf := bytes.NewBuffer(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.msg) {
			t.Errorf("BtcDecode #%d\n got: %s want: %s", i,
				spew.Sdump(msg), spew.Sdump(test.msg))
			continue
		}
	}
}

开发者ID:kac-，项目名称:btcwire，代码行数:100，代码来源:msgversion_test.go

示例5: TestVersionWire

// TestAlertWire tests the MsgAlert wire encode and decode for various protocol
// versions.
func TestVersionWire(t *testing.T) {
	// baseNetAddrYou is used in the various tests as a baseline remote
	// NetAddress.
	baseNetAddrYou := btcwire.NetAddress{
		Timestamp: time.Time{}, // Zero value -- no timestamp in version
		Services:  btcwire.SFNodeNetwork,
		IP:        net.ParseIP("192.168.0.1"),
		Port:      8333,
	}

	// baseNetAddrMe is used in the various tests as a baseline local
	// NetAddress.
	baseNetAddrMe := btcwire.NetAddress{
		Timestamp: time.Time{}, // Zero value -- no timestamp in version
		Services:  btcwire.SFNodeNetwork,
		IP:        net.ParseIP("127.0.0.1"),
		Port:      8333,
	}

	// baseVersion is used in the various tests as a baseline version.
	baseVersion := &btcwire.MsgVersion{
		ProtocolVersion: 60002,
		Services:        btcwire.SFNodeNetwork,
		Timestamp:       time.Unix(0x495fab29, 0), // 2009-01-03 12:15:05 -0600 CST)
		AddrYou:         baseNetAddrYou,
		AddrMe:          baseNetAddrMe,
		Nonce:           123123, // 0x1e0f3
		UserAgent:       "/btcdtest:0.0.1/",
		LastBlock:       234234, // 0x392fa
	}

	baseVersionEncoded := []byte{
		0x62, 0xea, 0x00, 0x00, // Protocol version 60002
		0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // SFNodeNetwork
		0x29, 0xab, 0x5f, 0x49, 0x00, 0x00, 0x00, 0x00, // 64-bit Timestamp
		// AddrYou -- No timestamp for NetAddress in version message
		0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // SFNodeNetwork
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0xff, 0xff, 0xc0, 0xa8, 0x00, 0x01, // IP 192.168.0.1
		0x20, 0x8d, // Port 8333 in big-endian
		// AddrMe -- No timestamp for NetAddress in version message
		0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // SFNodeNetwork
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0xff, 0xff, 0x7f, 0x00, 0x00, 0x01, // IP 127.0.0.1
		0x20, 0x8d, // Port 8333 in big-endian
		0xf3, 0xe0, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, // Nonce
		0x10, // Varint for user agent length
		0x2f, 0x62, 0x74, 0x63, 0x64, 0x74, 0x65, 0x73,
		0x74, 0x3a, 0x30, 0x2e, 0x30, 0x2e, 0x31, 0x2f, // User agent
		0xfa, 0x92, 0x03, 0x00, // Last block
	}

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

		// Protocol version BIP0035Version.
		{
			baseVersion,
			baseVersion,
			baseVersionEncoded,
			btcwire.BIP0035Version,
		},

		// Protocol version BIP0031Version.
		{
			baseVersion,
			baseVersion,
			baseVersionEncoded,
			btcwire.BIP0031Version,
		},

		// Protocol version NetAddressTimeVersion.
		{
			baseVersion,
			baseVersion,
			baseVersionEncoded,
			btcwire.NetAddressTimeVersion,
		},

		// Protocol version MultipleAddressVersion.
		{
			baseVersion,
			baseVersion,
			baseVersionEncoded,
			btcwire.MultipleAddressVersion,
		},
	}
//.........这里部分代码省略.........

开发者ID:h00gs，项目名称:btcwire，代码行数:101，代码来源:msgversion_test.go

注：本文中的github.com/conformal/btcwire.MsgVersion类示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。