f21410e47c
This adds a full-blown testing infrastructure in order to test consensus validation rules. It is built around the idea of dynamically generating full blocks that target specific rules linked together to form a block chain. In order to properly test the rules, each test instance starts with a valid block that is then modified in the specific way needed to test a specific rule. Blocks which exercise following rules have been added for this initial version. These tests were largely ported from the original Java-based 'official' block acceptance tests as well as some additional tests available in the Core python port. It is expected that further tests can be added over time as consensus rules change. * Enough valid blocks to have a stable base of mature coinbases to spend for futher tests * Basic forking and chain reorganization * Double spends on forks * Too much proof-of-work coinbase (extending main chain, in block that forces a reorg, and in a valid fork) * Max and too many signature operations via various combinations of OP_CHECKSIG, OP_MULTISIG, OP_CHECKSIGVERIFY, and OP_MULTISIGVERIFY * Too many and max signature operations with offending sigop after invalid data push * Max and too many signature operations via pay-to-script-hash redeem scripts * Attempt to spend tx created on a different fork * Attempt to spend immature coinbase (on main chain and fork) * Max size block and block that exceeds the max size * Children of rejected blocks are either orphans or rejected * Coinbase script too small and too large * Max length coinbase script * Attempt to spend tx in blocks that failed to connect * Valid non-coinbase tx in place of coinbase * Block with no transactions * Invalid proof-of-work * Block with a timestamp too far in the future * Invalid merkle root * Invalid proof-of-work limit (bits header field) * Negative proof-of-work limit (bits header field) * Two coinbase transactions * Duplicate transactions * Spend from transaction that does not exist * Timestamp exactly at and one second after the median time * Blocks with same hash via merkle root tricks * Spend from transaction index that is out of range * Transaction that spends more that its inputs provide * Transaction with same hash as an existing tx that has not been fully spent (BIP0030) * Non-final coinbase and non-coinbase txns * Max size block with canonical encoding which exceeds max size with non-canonical encoding * Spend from transaction earlier in same block * Spend from transaction later in same block * Double spend transaction from earlier in same block * Coinbase that pays more than subsidy + fees * Coinbase that includes subsidy + fees * Invalid opcode in dead execution path * Reorganization of txns with OP_RETURN outputs * Spend of an OP_RETURN output * Transaction with multiple OP_RETURN outputs * Large max-sized block reorganization test (disabled by default since it takes a long time and a lot of memory to run) Finally, the README.md files in the main and docs directories have been updated to reflect the use of the new testing framework.
377 lines
12 KiB
Go
377 lines
12 KiB
Go
// Copyright (c) 2013-2016 The btcsuite developers
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// Use of this source code is governed by an ISC
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// license that can be found in the LICENSE file.
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package blockchain_test
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import (
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"math"
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"reflect"
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"testing"
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"time"
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"github.com/btcsuite/btcd/blockchain"
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"github.com/btcsuite/btcd/chaincfg"
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"github.com/btcsuite/btcd/chaincfg/chainhash"
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"github.com/btcsuite/btcd/wire"
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"github.com/btcsuite/btcutil"
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)
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// TestCheckConnectBlock tests the CheckConnectBlock function to ensure it
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// fails.
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func TestCheckConnectBlock(t *testing.T) {
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// Create a new database and chain instance to run tests against.
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chain, teardownFunc, err := chainSetup("checkconnectblock",
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&chaincfg.MainNetParams)
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if err != nil {
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t.Errorf("Failed to setup chain instance: %v", err)
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return
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}
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defer teardownFunc()
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// The genesis block should fail to connect since it's already inserted.
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genesisBlock := chaincfg.MainNetParams.GenesisBlock
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err = chain.CheckConnectBlock(btcutil.NewBlock(genesisBlock))
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if err == nil {
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t.Errorf("CheckConnectBlock: Did not received expected error")
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}
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}
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// TestCheckBlockSanity tests the CheckBlockSanity function to ensure it works
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// as expected.
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func TestCheckBlockSanity(t *testing.T) {
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powLimit := chaincfg.MainNetParams.PowLimit
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block := btcutil.NewBlock(&Block100000)
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timeSource := blockchain.NewMedianTime()
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err := blockchain.CheckBlockSanity(block, powLimit, timeSource)
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if err != nil {
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t.Errorf("CheckBlockSanity: %v", err)
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}
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// Ensure a block that has a timestamp with a precision higher than one
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// second fails.
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timestamp := block.MsgBlock().Header.Timestamp
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block.MsgBlock().Header.Timestamp = timestamp.Add(time.Nanosecond)
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err = blockchain.CheckBlockSanity(block, powLimit, timeSource)
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if err == nil {
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t.Errorf("CheckBlockSanity: error is nil when it shouldn't be")
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}
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}
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// TestCheckSerializedHeight tests the checkSerializedHeight function with
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// various serialized heights and also does negative tests to ensure errors
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// and handled properly.
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func TestCheckSerializedHeight(t *testing.T) {
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// Create an empty coinbase template to be used in the tests below.
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coinbaseOutpoint := wire.NewOutPoint(&chainhash.Hash{}, math.MaxUint32)
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coinbaseTx := wire.NewMsgTx()
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coinbaseTx.Version = 2
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coinbaseTx.AddTxIn(wire.NewTxIn(coinbaseOutpoint, nil))
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// Expected rule errors.
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missingHeightError := blockchain.RuleError{
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ErrorCode: blockchain.ErrMissingCoinbaseHeight,
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}
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badHeightError := blockchain.RuleError{
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ErrorCode: blockchain.ErrBadCoinbaseHeight,
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}
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tests := []struct {
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sigScript []byte // Serialized data
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wantHeight int32 // Expected height
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err error // Expected error type
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}{
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// No serialized height length.
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{[]byte{}, 0, missingHeightError},
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// Serialized height length with no height bytes.
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{[]byte{0x02}, 0, missingHeightError},
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// Serialized height length with too few height bytes.
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{[]byte{0x02, 0x4a}, 0, missingHeightError},
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// Serialized height that needs 2 bytes to encode.
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{[]byte{0x02, 0x4a, 0x52}, 21066, nil},
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// Serialized height that needs 2 bytes to encode, but backwards
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// endianness.
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{[]byte{0x02, 0x4a, 0x52}, 19026, badHeightError},
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// Serialized height that needs 3 bytes to encode.
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{[]byte{0x03, 0x40, 0x0d, 0x03}, 200000, nil},
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// Serialized height that needs 3 bytes to encode, but backwards
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// endianness.
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{[]byte{0x03, 0x40, 0x0d, 0x03}, 1074594560, badHeightError},
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}
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t.Logf("Running %d tests", len(tests))
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for i, test := range tests {
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msgTx := coinbaseTx.Copy()
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msgTx.TxIn[0].SignatureScript = test.sigScript
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tx := btcutil.NewTx(msgTx)
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err := blockchain.TstCheckSerializedHeight(tx, test.wantHeight)
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if reflect.TypeOf(err) != reflect.TypeOf(test.err) {
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t.Errorf("checkSerializedHeight #%d wrong error type "+
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"got: %v <%T>, want: %T", i, err, err, test.err)
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continue
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}
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if rerr, ok := err.(blockchain.RuleError); ok {
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trerr := test.err.(blockchain.RuleError)
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if rerr.ErrorCode != trerr.ErrorCode {
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t.Errorf("checkSerializedHeight #%d wrong "+
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"error code got: %v, want: %v", i,
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rerr.ErrorCode, trerr.ErrorCode)
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continue
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}
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}
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}
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}
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// Block100000 defines block 100,000 of the block chain. It is used to
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// test Block operations.
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var Block100000 = wire.MsgBlock{
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Header: wire.BlockHeader{
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Version: 1,
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PrevBlock: chainhash.Hash([32]byte{ // Make go vet happy.
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0x50, 0x12, 0x01, 0x19, 0x17, 0x2a, 0x61, 0x04,
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0x21, 0xa6, 0xc3, 0x01, 0x1d, 0xd3, 0x30, 0xd9,
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0xdf, 0x07, 0xb6, 0x36, 0x16, 0xc2, 0xcc, 0x1f,
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0x1c, 0xd0, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00,
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}), // 000000000002d01c1fccc21636b607dfd930d31d01c3a62104612a1719011250
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MerkleRoot: chainhash.Hash([32]byte{ // Make go vet happy.
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0x66, 0x57, 0xa9, 0x25, 0x2a, 0xac, 0xd5, 0xc0,
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0xb2, 0x94, 0x09, 0x96, 0xec, 0xff, 0x95, 0x22,
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0x28, 0xc3, 0x06, 0x7c, 0xc3, 0x8d, 0x48, 0x85,
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0xef, 0xb5, 0xa4, 0xac, 0x42, 0x47, 0xe9, 0xf3,
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}), // f3e94742aca4b5ef85488dc37c06c3282295ffec960994b2c0d5ac2a25a95766
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Timestamp: time.Unix(1293623863, 0), // 2010-12-29 11:57:43 +0000 UTC
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Bits: 0x1b04864c, // 453281356
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Nonce: 0x10572b0f, // 274148111
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},
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Transactions: []*wire.MsgTx{
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{
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Version: 1,
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TxIn: []*wire.TxIn{
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{
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PreviousOutPoint: wire.OutPoint{
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Hash: chainhash.Hash{},
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Index: 0xffffffff,
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},
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SignatureScript: []byte{
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0x04, 0x4c, 0x86, 0x04, 0x1b, 0x02, 0x06, 0x02,
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},
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Sequence: 0xffffffff,
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},
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},
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TxOut: []*wire.TxOut{
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{
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Value: 0x12a05f200, // 5000000000
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PkScript: []byte{
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0x41, // OP_DATA_65
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0x04, 0x1b, 0x0e, 0x8c, 0x25, 0x67, 0xc1, 0x25,
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0x36, 0xaa, 0x13, 0x35, 0x7b, 0x79, 0xa0, 0x73,
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0xdc, 0x44, 0x44, 0xac, 0xb8, 0x3c, 0x4e, 0xc7,
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0xa0, 0xe2, 0xf9, 0x9d, 0xd7, 0x45, 0x75, 0x16,
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0xc5, 0x81, 0x72, 0x42, 0xda, 0x79, 0x69, 0x24,
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0xca, 0x4e, 0x99, 0x94, 0x7d, 0x08, 0x7f, 0xed,
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0xf9, 0xce, 0x46, 0x7c, 0xb9, 0xf7, 0xc6, 0x28,
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0x70, 0x78, 0xf8, 0x01, 0xdf, 0x27, 0x6f, 0xdf,
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0x84, // 65-byte signature
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0xac, // OP_CHECKSIG
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},
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},
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},
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LockTime: 0,
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},
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{
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Version: 1,
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TxIn: []*wire.TxIn{
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{
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PreviousOutPoint: wire.OutPoint{
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Hash: chainhash.Hash([32]byte{ // Make go vet happy.
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0x03, 0x2e, 0x38, 0xe9, 0xc0, 0xa8, 0x4c, 0x60,
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0x46, 0xd6, 0x87, 0xd1, 0x05, 0x56, 0xdc, 0xac,
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0xc4, 0x1d, 0x27, 0x5e, 0xc5, 0x5f, 0xc0, 0x07,
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0x79, 0xac, 0x88, 0xfd, 0xf3, 0x57, 0xa1, 0x87,
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}), // 87a157f3fd88ac7907c05fc55e271dc4acdc5605d187d646604ca8c0e9382e03
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Index: 0,
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},
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SignatureScript: []byte{
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0x49, // OP_DATA_73
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0x30, 0x46, 0x02, 0x21, 0x00, 0xc3, 0x52, 0xd3,
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0xdd, 0x99, 0x3a, 0x98, 0x1b, 0xeb, 0xa4, 0xa6,
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0x3a, 0xd1, 0x5c, 0x20, 0x92, 0x75, 0xca, 0x94,
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0x70, 0xab, 0xfc, 0xd5, 0x7d, 0xa9, 0x3b, 0x58,
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0xe4, 0xeb, 0x5d, 0xce, 0x82, 0x02, 0x21, 0x00,
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0x84, 0x07, 0x92, 0xbc, 0x1f, 0x45, 0x60, 0x62,
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0x81, 0x9f, 0x15, 0xd3, 0x3e, 0xe7, 0x05, 0x5c,
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0xf7, 0xb5, 0xee, 0x1a, 0xf1, 0xeb, 0xcc, 0x60,
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0x28, 0xd9, 0xcd, 0xb1, 0xc3, 0xaf, 0x77, 0x48,
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0x01, // 73-byte signature
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0x41, // OP_DATA_65
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0x04, 0xf4, 0x6d, 0xb5, 0xe9, 0xd6, 0x1a, 0x9d,
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0xc2, 0x7b, 0x8d, 0x64, 0xad, 0x23, 0xe7, 0x38,
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0x3a, 0x4e, 0x6c, 0xa1, 0x64, 0x59, 0x3c, 0x25,
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0x27, 0xc0, 0x38, 0xc0, 0x85, 0x7e, 0xb6, 0x7e,
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0xe8, 0xe8, 0x25, 0xdc, 0xa6, 0x50, 0x46, 0xb8,
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0x2c, 0x93, 0x31, 0x58, 0x6c, 0x82, 0xe0, 0xfd,
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0x1f, 0x63, 0x3f, 0x25, 0xf8, 0x7c, 0x16, 0x1b,
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0xc6, 0xf8, 0xa6, 0x30, 0x12, 0x1d, 0xf2, 0xb3,
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0xd3, // 65-byte pubkey
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},
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Sequence: 0xffffffff,
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},
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},
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TxOut: []*wire.TxOut{
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{
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Value: 0x2123e300, // 556000000
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PkScript: []byte{
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0x76, // OP_DUP
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0xa9, // OP_HASH160
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0x14, // OP_DATA_20
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0xc3, 0x98, 0xef, 0xa9, 0xc3, 0x92, 0xba, 0x60,
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0x13, 0xc5, 0xe0, 0x4e, 0xe7, 0x29, 0x75, 0x5e,
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0xf7, 0xf5, 0x8b, 0x32,
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0x88, // OP_EQUALVERIFY
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0xac, // OP_CHECKSIG
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},
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},
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{
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Value: 0x108e20f00, // 4444000000
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PkScript: []byte{
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0x76, // OP_DUP
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0xa9, // OP_HASH160
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0x14, // OP_DATA_20
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0x94, 0x8c, 0x76, 0x5a, 0x69, 0x14, 0xd4, 0x3f,
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0x2a, 0x7a, 0xc1, 0x77, 0xda, 0x2c, 0x2f, 0x6b,
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0x52, 0xde, 0x3d, 0x7c,
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0x88, // OP_EQUALVERIFY
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0xac, // OP_CHECKSIG
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},
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},
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},
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LockTime: 0,
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},
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{
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Version: 1,
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TxIn: []*wire.TxIn{
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{
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PreviousOutPoint: wire.OutPoint{
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Hash: chainhash.Hash([32]byte{ // Make go vet happy.
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0xc3, 0x3e, 0xbf, 0xf2, 0xa7, 0x09, 0xf1, 0x3d,
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0x9f, 0x9a, 0x75, 0x69, 0xab, 0x16, 0xa3, 0x27,
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0x86, 0xaf, 0x7d, 0x7e, 0x2d, 0xe0, 0x92, 0x65,
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0xe4, 0x1c, 0x61, 0xd0, 0x78, 0x29, 0x4e, 0xcf,
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}), // cf4e2978d0611ce46592e02d7e7daf8627a316ab69759a9f3df109a7f2bf3ec3
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Index: 1,
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},
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SignatureScript: []byte{
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0x47, // OP_DATA_71
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0x30, 0x44, 0x02, 0x20, 0x03, 0x2d, 0x30, 0xdf,
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0x5e, 0xe6, 0xf5, 0x7f, 0xa4, 0x6c, 0xdd, 0xb5,
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0xeb, 0x8d, 0x0d, 0x9f, 0xe8, 0xde, 0x6b, 0x34,
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0x2d, 0x27, 0x94, 0x2a, 0xe9, 0x0a, 0x32, 0x31,
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0xe0, 0xba, 0x33, 0x3e, 0x02, 0x20, 0x3d, 0xee,
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0xe8, 0x06, 0x0f, 0xdc, 0x70, 0x23, 0x0a, 0x7f,
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0x5b, 0x4a, 0xd7, 0xd7, 0xbc, 0x3e, 0x62, 0x8c,
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0xbe, 0x21, 0x9a, 0x88, 0x6b, 0x84, 0x26, 0x9e,
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0xae, 0xb8, 0x1e, 0x26, 0xb4, 0xfe, 0x01,
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0x41, // OP_DATA_65
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0x04, 0xae, 0x31, 0xc3, 0x1b, 0xf9, 0x12, 0x78,
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0xd9, 0x9b, 0x83, 0x77, 0xa3, 0x5b, 0xbc, 0xe5,
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0xb2, 0x7d, 0x9f, 0xff, 0x15, 0x45, 0x68, 0x39,
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0xe9, 0x19, 0x45, 0x3f, 0xc7, 0xb3, 0xf7, 0x21,
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0xf0, 0xba, 0x40, 0x3f, 0xf9, 0x6c, 0x9d, 0xee,
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0xb6, 0x80, 0xe5, 0xfd, 0x34, 0x1c, 0x0f, 0xc3,
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0xa7, 0xb9, 0x0d, 0xa4, 0x63, 0x1e, 0xe3, 0x95,
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0x60, 0x63, 0x9d, 0xb4, 0x62, 0xe9, 0xcb, 0x85,
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0x0f, // 65-byte pubkey
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},
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Sequence: 0xffffffff,
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},
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},
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TxOut: []*wire.TxOut{
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{
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Value: 0xf4240, // 1000000
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PkScript: []byte{
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0x76, // OP_DUP
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0xa9, // OP_HASH160
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0x14, // OP_DATA_20
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0xb0, 0xdc, 0xbf, 0x97, 0xea, 0xbf, 0x44, 0x04,
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0xe3, 0x1d, 0x95, 0x24, 0x77, 0xce, 0x82, 0x2d,
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0xad, 0xbe, 0x7e, 0x10,
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0x88, // OP_EQUALVERIFY
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0xac, // OP_CHECKSIG
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},
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},
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{
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Value: 0x11d260c0, // 299000000
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PkScript: []byte{
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0x76, // OP_DUP
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0xa9, // OP_HASH160
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0x14, // OP_DATA_20
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0x6b, 0x12, 0x81, 0xee, 0xc2, 0x5a, 0xb4, 0xe1,
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0xe0, 0x79, 0x3f, 0xf4, 0xe0, 0x8a, 0xb1, 0xab,
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0xb3, 0x40, 0x9c, 0xd9,
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0x88, // OP_EQUALVERIFY
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0xac, // OP_CHECKSIG
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},
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},
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},
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LockTime: 0,
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},
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{
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Version: 1,
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TxIn: []*wire.TxIn{
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{
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PreviousOutPoint: wire.OutPoint{
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Hash: chainhash.Hash([32]byte{ // Make go vet happy.
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0x0b, 0x60, 0x72, 0xb3, 0x86, 0xd4, 0xa7, 0x73,
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0x23, 0x52, 0x37, 0xf6, 0x4c, 0x11, 0x26, 0xac,
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0x3b, 0x24, 0x0c, 0x84, 0xb9, 0x17, 0xa3, 0x90,
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0x9b, 0xa1, 0xc4, 0x3d, 0xed, 0x5f, 0x51, 0xf4,
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}), // f4515fed3dc4a19b90a317b9840c243bac26114cf637522373a7d486b372600b
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Index: 0,
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},
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SignatureScript: []byte{
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0x49, // OP_DATA_73
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0x30, 0x46, 0x02, 0x21, 0x00, 0xbb, 0x1a, 0xd2,
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0x6d, 0xf9, 0x30, 0xa5, 0x1c, 0xce, 0x11, 0x0c,
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0xf4, 0x4f, 0x7a, 0x48, 0xc3, 0xc5, 0x61, 0xfd,
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0x97, 0x75, 0x00, 0xb1, 0xae, 0x5d, 0x6b, 0x6f,
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0xd1, 0x3d, 0x0b, 0x3f, 0x4a, 0x02, 0x21, 0x00,
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0xc5, 0xb4, 0x29, 0x51, 0xac, 0xed, 0xff, 0x14,
|
|
0xab, 0xba, 0x27, 0x36, 0xfd, 0x57, 0x4b, 0xdb,
|
|
0x46, 0x5f, 0x3e, 0x6f, 0x8d, 0xa1, 0x2e, 0x2c,
|
|
0x53, 0x03, 0x95, 0x4a, 0xca, 0x7f, 0x78, 0xf3,
|
|
0x01, // 73-byte signature
|
|
0x41, // OP_DATA_65
|
|
0x04, 0xa7, 0x13, 0x5b, 0xfe, 0x82, 0x4c, 0x97,
|
|
0xec, 0xc0, 0x1e, 0xc7, 0xd7, 0xe3, 0x36, 0x18,
|
|
0x5c, 0x81, 0xe2, 0xaa, 0x2c, 0x41, 0xab, 0x17,
|
|
0x54, 0x07, 0xc0, 0x94, 0x84, 0xce, 0x96, 0x94,
|
|
0xb4, 0x49, 0x53, 0xfc, 0xb7, 0x51, 0x20, 0x65,
|
|
0x64, 0xa9, 0xc2, 0x4d, 0xd0, 0x94, 0xd4, 0x2f,
|
|
0xdb, 0xfd, 0xd5, 0xaa, 0xd3, 0xe0, 0x63, 0xce,
|
|
0x6a, 0xf4, 0xcf, 0xaa, 0xea, 0x4e, 0xa1, 0x4f,
|
|
0xbb, // 65-byte pubkey
|
|
},
|
|
Sequence: 0xffffffff,
|
|
},
|
|
},
|
|
TxOut: []*wire.TxOut{
|
|
{
|
|
Value: 0xf4240, // 1000000
|
|
PkScript: []byte{
|
|
0x76, // OP_DUP
|
|
0xa9, // OP_HASH160
|
|
0x14, // OP_DATA_20
|
|
0x39, 0xaa, 0x3d, 0x56, 0x9e, 0x06, 0xa1, 0xd7,
|
|
0x92, 0x6d, 0xc4, 0xbe, 0x11, 0x93, 0xc9, 0x9b,
|
|
0xf2, 0xeb, 0x9e, 0xe0,
|
|
0x88, // OP_EQUALVERIFY
|
|
0xac, // OP_CHECKSIG
|
|
},
|
|
},
|
|
},
|
|
LockTime: 0,
|
|
},
|
|
},
|
|
}
|