Golang btcwire.MsgGetBlocks类代码示例

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本文整理汇总了Golang中github.com/conformal/btcwire.MsgGetBlocks类的典型用法代码示例。如果您正苦于以下问题：Golang MsgGetBlocks类的具体用法？Golang MsgGetBlocks怎么用？Golang MsgGetBlocks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MsgGetBlocks类的2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: TestGetBlocksWire

// TestGetBlocksWire tests the MsgGetBlocks wire encode and decode for various
// numbers of block locator hashes and protocol versions.
func TestGetBlocksWire(t *testing.T) {
	// Set protocol inside getblocks message.
	pver := uint32(60002)

	// Block 99499 hash.
	hashStr := "2710f40c87ec93d010a6fd95f42c59a2cbacc60b18cf6b7957535"
	hashLocator, err := btcwire.NewShaHashFromStr(hashStr)
	if err != nil {
		t.Errorf("NewShaHashFromStr: %v", err)
	}

	// Block 99500 hash.
	hashStr = "2e7ad7b9eef9479e4aabc65cb831269cc20d2632c13684406dee0"
	hashLocator2, err := btcwire.NewShaHashFromStr(hashStr)
	if err != nil {
		t.Errorf("NewShaHashFromStr: %v", err)
	}

	// Block 100000 hash.
	hashStr = "3ba27aa200b1cecaad478d2b00432346c3f1f3986da1afd33e506"
	hashStop, err := btcwire.NewShaHashFromStr(hashStr)
	if err != nil {
		t.Errorf("NewShaHashFromStr: %v", err)
	}

	// MsgGetBlocks message with no block locators or stop hash.
	noLocators := btcwire.NewMsgGetBlocks(&btcwire.ShaHash{})
	noLocators.ProtocolVersion = pver
	noLocatorsEncoded := []byte{
		0x62, 0xea, 0x00, 0x00, // Protocol version 60002
		0x00, // Varint for number of block locator hashes
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
		0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Hash stop
	}

	// MsgGetBlocks message with multiple block locators and a stop hash.
	multiLocators := btcwire.NewMsgGetBlocks(hashStop)
	multiLocators.AddBlockLocatorHash(hashLocator2)
	multiLocators.AddBlockLocatorHash(hashLocator)
	multiLocators.ProtocolVersion = pver
	multiLocatorsEncoded := []byte{
		0x62, 0xea, 0x00, 0x00, // Protocol version 60002
		0x02, // Varint for number of block locator hashes
		0xe0, 0xde, 0x06, 0x44, 0x68, 0x13, 0x2c, 0x63,
		0xd2, 0x20, 0xcc, 0x69, 0x12, 0x83, 0xcb, 0x65,
		0xbc, 0xaa, 0xe4, 0x79, 0x94, 0xef, 0x9e, 0x7b,
		0xad, 0xe7, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, // Block 99500 hash
		0x35, 0x75, 0x95, 0xb7, 0xf6, 0x8c, 0xb1, 0x60,
		0xcc, 0xba, 0x2c, 0x9a, 0xc5, 0x42, 0x5f, 0xd9,
		0x6f, 0x0a, 0x01, 0x3d, 0xc9, 0x7e, 0xc8, 0x40,
		0x0f, 0x71, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, // Block 99499 hash
		0x06, 0xe5, 0x33, 0xfd, 0x1a, 0xda, 0x86, 0x39,
		0x1f, 0x3f, 0x6c, 0x34, 0x32, 0x04, 0xb0, 0xd2,
		0x78, 0xd4, 0xaa, 0xec, 0x1c, 0x0b, 0x20, 0xaa,
		0x27, 0xba, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, // Hash stop
	}

	tests := []struct {
		in   *btcwire.MsgGetBlocks // Message to encode
		out  *btcwire.MsgGetBlocks // Expected decoded message
		buf  []byte                // Wire encoding
		pver uint32                // Protocol version for wire encoding
	}{
		// Latest protocol version with no block locators.
		{
			noLocators,
			noLocators,
			noLocatorsEncoded,
			btcwire.ProtocolVersion,
		},

		// Latest protocol version with multiple block locators.
		{
			multiLocators,
			multiLocators,
			multiLocatorsEncoded,
			btcwire.ProtocolVersion,
		},

		// Protocol version BIP0035Version with no block locators.
		{
			noLocators,
			noLocators,
			noLocatorsEncoded,
			btcwire.BIP0035Version,
		},

		// Protocol version BIP0035Version with multiple block locators.
		{
			multiLocators,
			multiLocators,
			multiLocatorsEncoded,
			btcwire.BIP0035Version,
		},

		// Protocol version BIP0031Version with no block locators.
//.........这里部分代码省略.........

开发者ID:hsk81，项目名称:btcwire，代码行数:101，代码来源:msggetblocks_test.go

示例2: TestGetBlocksWireErrors

// TestGetBlocksWireErrors performs negative tests against wire encode and
// decode of MsgGetBlocks to confirm error paths work correctly.
func TestGetBlocksWireErrors(t *testing.T) {
	// Set protocol inside getheaders message.  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{}

	// Block 99499 hash.
	hashStr := "2710f40c87ec93d010a6fd95f42c59a2cbacc60b18cf6b7957535"
	hashLocator, err := btcwire.NewShaHashFromStr(hashStr)
	if err != nil {
		t.Errorf("NewShaHashFromStr: %v", err)
	}

	// Block 99500 hash.
	hashStr = "2e7ad7b9eef9479e4aabc65cb831269cc20d2632c13684406dee0"
	hashLocator2, err := btcwire.NewShaHashFromStr(hashStr)
	if err != nil {
		t.Errorf("NewShaHashFromStr: %v", err)
	}

	// Block 100000 hash.
	hashStr = "3ba27aa200b1cecaad478d2b00432346c3f1f3986da1afd33e506"
	hashStop, err := btcwire.NewShaHashFromStr(hashStr)
	if err != nil {
		t.Errorf("NewShaHashFromStr: %v", err)
	}

	// MsgGetBlocks message with multiple block locators and a stop hash.
	baseGetBlocks := btcwire.NewMsgGetBlocks(hashStop)
	baseGetBlocks.ProtocolVersion = pver
	baseGetBlocks.AddBlockLocatorHash(hashLocator2)
	baseGetBlocks.AddBlockLocatorHash(hashLocator)
	baseGetBlocksEncoded := []byte{
		0x62, 0xea, 0x00, 0x00, // Protocol version 60002
		0x02, // Varint for number of block locator hashes
		0xe0, 0xde, 0x06, 0x44, 0x68, 0x13, 0x2c, 0x63,
		0xd2, 0x20, 0xcc, 0x69, 0x12, 0x83, 0xcb, 0x65,
		0xbc, 0xaa, 0xe4, 0x79, 0x94, 0xef, 0x9e, 0x7b,
		0xad, 0xe7, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, // Block 99500 hash
		0x35, 0x75, 0x95, 0xb7, 0xf6, 0x8c, 0xb1, 0x60,
		0xcc, 0xba, 0x2c, 0x9a, 0xc5, 0x42, 0x5f, 0xd9,
		0x6f, 0x0a, 0x01, 0x3d, 0xc9, 0x7e, 0xc8, 0x40,
		0x0f, 0x71, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, // Block 99499 hash
		0x06, 0xe5, 0x33, 0xfd, 0x1a, 0xda, 0x86, 0x39,
		0x1f, 0x3f, 0x6c, 0x34, 0x32, 0x04, 0xb0, 0xd2,
		0x78, 0xd4, 0xaa, 0xec, 0x1c, 0x0b, 0x20, 0xaa,
		0x27, 0xba, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, // Hash stop
	}

	// Message that forces an error by having more than the max allowed
	// block locator hashes.
	maxGetBlocks := btcwire.NewMsgGetBlocks(hashStop)
	for i := 0; i < btcwire.MaxBlockLocatorsPerMsg; i++ {
		maxGetBlocks.AddBlockLocatorHash(&btcwire.GenesisHash)
	}
	maxGetBlocks.BlockLocatorHashes = append(maxGetBlocks.BlockLocatorHashes,
		&btcwire.GenesisHash)
	maxGetBlocksEncoded := []byte{
		0x62, 0xea, 0x00, 0x00, // Protocol version 60002
		0xfd, 0xf5, 0x01, // Varint for number of block loc hashes (501)
	}

	tests := []struct {
		in       *btcwire.MsgGetBlocks // 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.
		{baseGetBlocks, baseGetBlocksEncoded, pver, 0, io.ErrShortWrite, io.EOF},
		// Force error in block locator hash count.
		{baseGetBlocks, baseGetBlocksEncoded, pver, 4, io.ErrShortWrite, io.EOF},
		// Force error in block locator hashes.
		{baseGetBlocks, baseGetBlocksEncoded, pver, 5, io.ErrShortWrite, io.EOF},
		// Force error in stop hash.
		{baseGetBlocks, baseGetBlocksEncoded, pver, 69, io.ErrShortWrite, io.EOF},
		// Force error with greater than max block locator hashes.
		{maxGetBlocks, maxGetBlocksEncoded, pver, 7, 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 {
//.........这里部分代码省略.........

开发者ID:hsk81，项目名称:btcwire，代码行数:101，代码来源:msggetblocks_test.go

注：本文中的github.com/conformal/btcwire.MsgGetBlocks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。