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Golang btcwire.MsgHeaders類代碼示例

本文整理匯總了Golang中github.com/conformal/btcwire.MsgHeaders的典型用法代碼示例。如果您正苦於以下問題:Golang MsgHeaders類的具體用法?Golang MsgHeaders怎麽用?Golang MsgHeaders使用的例子?那麽, 這裏精選的類代碼示例或許可以為您提供幫助。


在下文中一共展示了MsgHeaders類的2個代碼示例,這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚,您的評價將有助於係統推薦出更棒的Golang代碼示例。

示例1: TestHeadersWire

// TestHeadersWire tests the MsgHeaders wire encode and decode for various
// numbers of headers and protocol versions.
func TestHeadersWire(t *testing.T) {
	hash := btcwire.GenesisHash
	merkleHash := blockOne.Header.MerkleRoot
	bits := uint32(0x1d00ffff)
	nonce := uint32(0x9962e301)
	bh := btcwire.NewBlockHeader(&hash, &merkleHash, bits, nonce)
	bh.Version = blockOne.Header.Version
	bh.Timestamp = blockOne.Header.Timestamp

	// Empty headers message.
	noHeaders := btcwire.NewMsgHeaders()
	noHeadersEncoded := []byte{
		0x00, // Varint for number of headers
	}

	// Headers message with one header.
	oneHeader := btcwire.NewMsgHeaders()
	oneHeader.AddBlockHeader(bh)
	oneHeaderEncoded := []byte{
		0x01,                   // VarInt for number of headers.
		0x01, 0x00, 0x00, 0x00, // Version 1
		0x6f, 0xe2, 0x8c, 0x0a, 0xb6, 0xf1, 0xb3, 0x72,
		0xc1, 0xa6, 0xa2, 0x46, 0xae, 0x63, 0xf7, 0x4f,
		0x93, 0x1e, 0x83, 0x65, 0xe1, 0x5a, 0x08, 0x9c,
		0x68, 0xd6, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, // PrevBlock
		0x98, 0x20, 0x51, 0xfd, 0x1e, 0x4b, 0xa7, 0x44,
		0xbb, 0xbe, 0x68, 0x0e, 0x1f, 0xee, 0x14, 0x67,
		0x7b, 0xa1, 0xa3, 0xc3, 0x54, 0x0b, 0xf7, 0xb1,
		0xcd, 0xb6, 0x06, 0xe8, 0x57, 0x23, 0x3e, 0x0e, // MerkleRoot
		0x61, 0xbc, 0x66, 0x49, // Timestamp
		0xff, 0xff, 0x00, 0x1d, // Bits
		0x01, 0xe3, 0x62, 0x99, // Nonce
		0x00, // TxnCount (0 for headers message)
	}

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

		// Latest protocol version with one header.
		{
			oneHeader,
			oneHeader,
			oneHeaderEncoded,
			btcwire.ProtocolVersion,
		},

		// Protocol version BIP0035Version with no headers.
		{
			noHeaders,
			noHeaders,
			noHeadersEncoded,
			btcwire.BIP0035Version,
		},

		// Protocol version BIP0035Version with one header.
		{
			oneHeader,
			oneHeader,
			oneHeaderEncoded,
			btcwire.BIP0035Version,
		},

		// Protocol version BIP0031Version with no headers.
		{
			noHeaders,
			noHeaders,
			noHeadersEncoded,
			btcwire.BIP0031Version,
		},

		// Protocol version BIP0031Version with one header.
		{
			oneHeader,
			oneHeader,
			oneHeaderEncoded,
			btcwire.BIP0031Version,
		},
		// Protocol version NetAddressTimeVersion with no headers.
		{
			noHeaders,
			noHeaders,
			noHeadersEncoded,
			btcwire.NetAddressTimeVersion,
		},

		// Protocol version NetAddressTimeVersion with one header.
		{
//.........這裏部分代碼省略.........
開發者ID:kingctan,項目名稱:btcwire,代碼行數:101,代碼來源:msgheaders_test.go

示例2: TestHeadersWireErrors

// TestHeadersWireErrors performs negative tests against wire encode and decode
// of MsgHeaders to confirm error paths work correctly.
func TestHeadersWireErrors(t *testing.T) {
	pver := btcwire.ProtocolVersion
	btcwireErr := &btcwire.MessageError{}

	hash := btcwire.GenesisHash
	merkleHash := blockOne.Header.MerkleRoot
	bits := uint32(0x1d00ffff)
	nonce := uint32(0x9962e301)
	bh := btcwire.NewBlockHeader(&hash, &merkleHash, bits, nonce)
	bh.Version = blockOne.Header.Version
	bh.Timestamp = blockOne.Header.Timestamp

	// Headers message with one header.
	oneHeader := btcwire.NewMsgHeaders()
	oneHeader.AddBlockHeader(bh)
	oneHeaderEncoded := []byte{
		0x01,                   // VarInt for number of headers.
		0x01, 0x00, 0x00, 0x00, // Version 1
		0x6f, 0xe2, 0x8c, 0x0a, 0xb6, 0xf1, 0xb3, 0x72,
		0xc1, 0xa6, 0xa2, 0x46, 0xae, 0x63, 0xf7, 0x4f,
		0x93, 0x1e, 0x83, 0x65, 0xe1, 0x5a, 0x08, 0x9c,
		0x68, 0xd6, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, // PrevBlock
		0x98, 0x20, 0x51, 0xfd, 0x1e, 0x4b, 0xa7, 0x44,
		0xbb, 0xbe, 0x68, 0x0e, 0x1f, 0xee, 0x14, 0x67,
		0x7b, 0xa1, 0xa3, 0xc3, 0x54, 0x0b, 0xf7, 0xb1,
		0xcd, 0xb6, 0x06, 0xe8, 0x57, 0x23, 0x3e, 0x0e, // MerkleRoot
		0x61, 0xbc, 0x66, 0x49, // Timestamp
		0xff, 0xff, 0x00, 0x1d, // Bits
		0x01, 0xe3, 0x62, 0x99, // Nonce
		0x00, // TxnCount (0 for headers message)
	}

	// Message that forces an error by having more than the max allowed
	// headers.
	maxHeaders := btcwire.NewMsgHeaders()
	for i := 0; i < btcwire.MaxBlockHeadersPerMsg; i++ {
		maxHeaders.AddBlockHeader(bh)
	}
	maxHeaders.Headers = append(maxHeaders.Headers, bh)
	maxHeadersEncoded := []byte{
		0xfd, 0xd1, 0x07, // Varint for number of addresses (2001)7D1
	}

	// Intentionally invalid block header that has a transaction count used
	// to force errors.
	bhTrans := btcwire.NewBlockHeader(&hash, &merkleHash, bits, nonce)
	bhTrans.Version = blockOne.Header.Version
	bhTrans.Timestamp = blockOne.Header.Timestamp
	bhTrans.TxnCount = 1

	transHeader := btcwire.NewMsgHeaders()
	transHeader.AddBlockHeader(bhTrans)
	transHeaderEncoded := []byte{
		0x01,                   // VarInt for number of headers.
		0x01, 0x00, 0x00, 0x00, // Version 1
		0x6f, 0xe2, 0x8c, 0x0a, 0xb6, 0xf1, 0xb3, 0x72,
		0xc1, 0xa6, 0xa2, 0x46, 0xae, 0x63, 0xf7, 0x4f,
		0x93, 0x1e, 0x83, 0x65, 0xe1, 0x5a, 0x08, 0x9c,
		0x68, 0xd6, 0x19, 0x00, 0x00, 0x00, 0x00, 0x00, // PrevBlock
		0x98, 0x20, 0x51, 0xfd, 0x1e, 0x4b, 0xa7, 0x44,
		0xbb, 0xbe, 0x68, 0x0e, 0x1f, 0xee, 0x14, 0x67,
		0x7b, 0xa1, 0xa3, 0xc3, 0x54, 0x0b, 0xf7, 0xb1,
		0xcd, 0xb6, 0x06, 0xe8, 0x57, 0x23, 0x3e, 0x0e, // MerkleRoot
		0x61, 0xbc, 0x66, 0x49, // Timestamp
		0xff, 0xff, 0x00, 0x1d, // Bits
		0x01, 0xe3, 0x62, 0x99, // Nonce
		0x01, // TxnCount (should be 0 for headers message, but 1 to force error)
	}

	tests := []struct {
		in       *btcwire.MsgHeaders // 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
	}{
		// Latest protocol version with intentional read/write errors.
		// Force error in header count.
		{oneHeader, oneHeaderEncoded, pver, 0, io.ErrShortWrite, io.EOF},
		// Force error in block header.
		{oneHeader, oneHeaderEncoded, pver, 5, io.ErrShortWrite, io.EOF},
		// Force error with greater than max headers.
		{maxHeaders, maxHeadersEncoded, pver, 3, btcwireErr, btcwireErr},
		// Force error with included transactions.
		{transHeader, transHeaderEncoded, pver, len(transHeaderEncoded), 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
		}
//.........這裏部分代碼省略.........
開發者ID:kingctan,項目名稱:btcwire,代碼行數:101,代碼來源:msgheaders_test.go


注:本文中的github.com/conformal/btcwire.MsgHeaders類示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台,相關代碼片段篩選自各路編程大神貢獻的開源項目,源碼版權歸原作者所有,傳播和使用請參考對應項目的License;未經允許,請勿轉載。