本文整理汇总了Golang中github.com/decred/dcrd/wire.MsgTx.BtcDecode方法的典型用法代码示例。如果您正苦于以下问题：Golang MsgTx.BtcDecode方法的具体用法？Golang MsgTx.BtcDecode怎么用？Golang MsgTx.BtcDecode使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/decred/dcrd/wire.MsgTx的用法示例。
在下文中一共展示了MsgTx.BtcDecode方法的3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，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: TestTxWireErrors
// TestTxWireErrors performs negative tests against wire encode and decode
// of MsgTx to confirm error paths work correctly.
func TestTxWireErrors(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)
tests := []struct {
in *wire.MsgTx // 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 version.
{multiTx, multiTxEncoded, pver, 0, io.ErrShortWrite, io.EOF}, // 0
// Force error in number of transaction inputs.
{multiTx, multiTxEncoded, pver, 4, io.ErrShortWrite, io.EOF}, // 1
// Force error in transaction input previous block hash.
{multiTx, multiTxEncoded, pver, 5, io.ErrShortWrite, io.EOF}, // 2
// Force error in transaction input previous block output index.
{multiTx, multiTxEncoded, pver, 37, io.ErrShortWrite, io.EOF}, // 3
// Force error in transaction input previous block output tree.
{multiTx, multiTxEncoded, pver, 41, io.ErrShortWrite, io.EOF}, // 4
// Force error in transaction input sequence.
{multiTx, multiTxEncoded, pver, 42, io.ErrShortWrite, io.EOF}, // 5
// Force error in number of transaction outputs.
{multiTx, multiTxEncoded, pver, 46, io.ErrShortWrite, io.EOF}, // 6
// Force error in transaction output value.
{multiTx, multiTxEncoded, pver, 47, io.ErrShortWrite, io.EOF}, // 7
// Force error in transaction output script version.
{multiTx, multiTxEncoded, pver, 55, io.ErrShortWrite, io.EOF}, // 8
// Force error in transaction output pk script length.
{multiTx, multiTxEncoded, pver, 57, io.ErrShortWrite, io.EOF}, // 9
// Force error in transaction output pk script.
{multiTx, multiTxEncoded, pver, 58, io.ErrShortWrite, io.EOF}, // 10
// Force error in transaction output lock time.
{multiTx, multiTxEncoded, pver, 203, io.ErrShortWrite, io.EOF}, // 11
// Force error in transaction output expiry.
{multiTx, multiTxEncoded, pver, 207, io.ErrShortWrite, io.EOF}, // 12
// Force error in transaction num sig varint.
{multiTx, multiTxEncoded, pver, 211, io.ErrShortWrite, io.EOF}, // 13
// Force error in transaction sig 0 AmountIn.
{multiTx, multiTxEncoded, pver, 212, io.ErrShortWrite, io.EOF}, // 14
// Force error in transaction sig 0 BlockHeight.
{multiTx, multiTxEncoded, pver, 220, io.ErrShortWrite, io.EOF}, // 15
// Force error in transaction sig 0 BlockIndex.
{multiTx, multiTxEncoded, pver, 224, io.ErrShortWrite, io.EOF}, // 16
// Force error in transaction sig 0 length.
{multiTx, multiTxEncoded, pver, 228, io.ErrShortWrite, io.EOF}, // 17
// Force error in transaction sig 0 signature script.
{multiTx, multiTxEncoded, pver, 229, io.ErrShortWrite, io.EOF}, // 18
}
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 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.MsgTx
r := newFixedReader(test.max, test.buf)
err = msg.BtcDecode(r, test.pver)
if err != test.readErr {
t.Errorf("BtcDecode #%d wrong error got: %v, want: %v",
i, err, test.readErr)
continue
}
}
}示例2: TestTxOverflowErrors
//.........这里部分代码省略.........
{
[]byte{
0x01, 0x00, 0x00, 0x00, // Version
0x00, // Varint for number of input transactions
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, // Varint for number of output transactions
}, pver, txVer, &wire.MessageError{},
},
// Transaction that has an input with a signature script that [2]
// claims to have ~uint64(0) length.
{
[]byte{
0x01, 0x00, 0x00, 0x00, // Version
0x01, // Varint for number of input transactions
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, // Previous output hash
0xff, 0xff, 0xff, 0xff, // Previous output index
0x00, // Previous output tree
0x00, // Varint for length of signature script
0xff, 0xff, 0xff, 0xff, // Sequence
0x02, // Varint for number of output transactions
0x00, 0xf2, 0x05, 0x2a, 0x01, 0x00, 0x00, 0x00, // Transaction amount
0x43, // Varint for length of pk script
0x41, // OP_DATA_65
0x04, 0xd6, 0x4b, 0xdf, 0xd0, 0x9e, 0xb1, 0xc5,
0xfe, 0x29, 0x5a, 0xbd, 0xeb, 0x1d, 0xca, 0x42,
0x81, 0xbe, 0x98, 0x8e, 0x2d, 0xa0, 0xb6, 0xc1,
0xc6, 0xa5, 0x9d, 0xc2, 0x26, 0xc2, 0x86, 0x24,
0xe1, 0x81, 0x75, 0xe8, 0x51, 0xc9, 0x6b, 0x97,
0x3d, 0x81, 0xb0, 0x1c, 0xc3, 0x1f, 0x04, 0x78,
0x34, 0xbc, 0x06, 0xd6, 0xd6, 0xed, 0xf6, 0x20,
0xd1, 0x84, 0x24, 0x1a, 0x6a, 0xed, 0x8b, 0x63,
0xa6, // 65-byte signature
0xac, // OP_CHECKSIG
0x00, 0xe1, 0xf5, 0x05, 0x00, 0x00, 0x00, 0x00, // Transaction amount
0x43, // Varint for length of pk script
0x41, // OP_DATA_65
0x04, 0xd6, 0x4b, 0xdf, 0xd0, 0x9e, 0xb1, 0xc5,
0xfe, 0x29, 0x5a, 0xbd, 0xeb, 0x1d, 0xca, 0x42,
0x81, 0xbe, 0x98, 0x8e, 0x2d, 0xa0, 0xb6, 0xc1,
0xc6, 0xa5, 0x9d, 0xc2, 0x26, 0xc2, 0x86, 0x24,
0xe1, 0x81, 0x75, 0xe8, 0x51, 0xc9, 0x6b, 0x97,
0x3d, 0x81, 0xb0, 0x1c, 0xc3, 0x1f, 0x04, 0x78,
0x34, 0xbc, 0x06, 0xd6, 0xd6, 0xed, 0xf6, 0x20,
0xd1, 0x84, 0x24, 0x1a, 0x6a, 0xed, 0x8b, 0x63,
0xa6, // 65-byte signature
0xac, // OP_CHECKSIG
0x00, 0x00, 0x00, 0x00, // Lock time
0x00, 0x00, 0x00, 0x00, // Expiry
0x01, // Varint for number of input signature
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, // Varint for sig script length (overflows)
}, pver, txVer, &wire.MessageError{},
},
// Transaction that has an output with a public key script [3]
// that claims to have ~uint64(0) length.
{
[]byte{
0x01, 0x00, 0x00, 0x00, // Version
0x01, // Varint for number of input transactions
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, // Previous output hash
0xff, 0xff, 0xff, 0xff, // Prevous output index
0x00, // Previous output tree
0x00, // Varint for length of signature script
0xff, 0xff, 0xff, 0xff, // Sequence
0x01, // Varint for number of output transactions
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // Transaction amount
0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
0xff, // Varint for length of public key script
}, pver, txVer, &wire.MessageError{},
},
}
t.Logf("Running %d tests", len(tests))
for i, test := range tests {
// Decode from wire format.
var msg wire.MsgTx
r := bytes.NewReader(test.buf)
err := msg.BtcDecode(r, test.pver)
if reflect.TypeOf(err) != reflect.TypeOf(test.err) {
t.Errorf("BtcDecode #%d wrong error got: %v, want: %v",
i, err, reflect.TypeOf(test.err))
}
// Decode from wire format.
r = bytes.NewReader(test.buf)
err = msg.Deserialize(r)
if reflect.TypeOf(err) != reflect.TypeOf(test.err) {
t.Errorf("Deserialize #%d wrong error got: %v, want: %v",
i, err, reflect.TypeOf(test.err))
continue
}
}
}示例3: TestTxWire
// TestTxWire tests the MsgTx wire encode and decode for various numbers
// of transaction inputs and outputs and protocol versions.
func TestTxWire(t *testing.T) {
// Empty tx message.
noTx := wire.NewMsgTx()
noTx.Version = 1
noTxEncoded := []byte{
0x01, 0x00, 0x00, 0x00, // Version
0x00, // Varint for number of input transactions
0x00, // Varint for number of output transactions
0x00, 0x00, 0x00, 0x00, // Lock time
0x00, 0x00, 0x00, 0x00, // Expiry
0x00, // Varint for number of input signatures
}
tests := []struct {
in *wire.MsgTx // Message to encode
out *wire.MsgTx // Expected decoded message
buf []byte // Wire encoding
pver uint32 // Protocol version for wire encoding
}{
// Latest protocol version with no transactions.
{
noTx,
noTx,
noTxEncoded,
wire.ProtocolVersion,
},
// Latest protocol version with multiple transactions.
{
multiTx,
multiTx,
multiTxEncoded,
wire.ProtocolVersion,
},
}
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.MsgTx
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
}
}
}