Golang wire.NewOutPoint函数代码示例

// maybeAddOutpoint potentially adds the passed outpoint to the bloom filter
// depending on the bloom update flags and the type of the passed public key
// script.
//
// This function MUST be called with the filter lock held.
func (bf *Filter) maybeAddOutpoint(pkScrVer uint16, pkScript []byte, outHash *chainhash.Hash, outIdx uint32, outTree int8) {
	switch bf.msgFilterLoad.Flags {
	case wire.BloomUpdateAll:
		outpoint := wire.NewOutPoint(outHash, outIdx, outTree)
		bf.addOutPoint(outpoint)
	case wire.BloomUpdateP2PubkeyOnly:
		class := txscript.GetScriptClass(pkScrVer, pkScript)
		if class == txscript.PubKeyTy || class == txscript.MultiSigTy {
			outpoint := wire.NewOutPoint(outHash, outIdx, outTree)
			bf.addOutPoint(outpoint)
		}
	}
}

func TestFilterInsertUpdateNone(t *testing.T) {
	f := bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateNone)

	// Add the generation pubkey
	inputStr := "04eaafc2314def4ca98ac970241bcab022b9c1e1f4ea423a20f134c" +
		"876f2c01ec0f0dd5b2e86e7168cefe0d81113c3807420ce13ad1357231a" +
		"2252247d97a46a91"
	inputBytes, err := hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterInsertUpdateNone DecodeString failed: %v", err)
		return
	}
	f.Add(inputBytes)

	// Add the output address for the 4th transaction
	inputStr = "b6efd80d99179f4f4ff6f4dd0a007d018c385d21"
	inputBytes, err = hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterInsertUpdateNone DecodeString failed: %v", err)
		return
	}
	f.Add(inputBytes)

	inputStr = "147caa76786596590baa4e98f5d9f48b86c7765e489f7a6ff3360fe5c674360b"
	sha, err := chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestFilterInsertUpdateNone NewShaHashFromStr failed: %v", err)
		return
	}
	outpoint := wire.NewOutPoint(sha, 0, dcrutil.TxTreeRegular)

	if f.MatchesOutPoint(outpoint) {
		t.Errorf("TestFilterInsertUpdateNone matched outpoint %s", inputStr)
		return
	}

	inputStr = "02981fa052f0481dbc5868f4fc2166035a10f27a03cfd2de67326471df5bc041"
	sha, err = chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestFilterInsertUpdateNone NewShaHashFromStr failed: %v", err)
		return
	}
	outpoint = wire.NewOutPoint(sha, 0, dcrutil.TxTreeRegular)

	if f.MatchesOutPoint(outpoint) {
		t.Errorf("TestFilterInsertUpdateNone matched outpoint %s", inputStr)
		return
	}
}

func TestFindingSpentCredits(t *testing.T) {
	t.Parallel()

	s, teardown, err := testStore()
	defer teardown()
	if err != nil {
		t.Fatal(err)
	}

	// Insert transaction and credit which will be spent.
	recvRec, err := NewTxRecord(TstRecvSerializedTx, time.Now())
	if err != nil {
		t.Fatal(err)
	}

	err = s.InsertTx(recvRec, TstRecvTxBlockDetails)
	if err != nil {
		t.Fatal(err)
	}
	defaultAccount := uint32(0)
	err = s.AddCredit(recvRec, TstRecvTxBlockDetails, 1, false, defaultAccount)
	if err != nil {
		t.Fatal(err)
	}

	// Insert confirmed transaction which spends the above credit.
	spendingRec, err := NewTxRecord(TstSpendingSerializedTx, time.Now())
	if err != nil {
		t.Fatal(err)
	}

	err = s.InsertTx(spendingRec, TstSignedTxBlockDetails)
	if err != nil {
		t.Fatal(err)
	}
	err = s.AddCredit(spendingRec, TstSignedTxBlockDetails, 0, false, defaultAccount)
	if err != nil {
		t.Fatal(err)
	}

	bal, err := s.Balance(1, TstSignedTxBlockDetails.Height, wtxmgr.BFBalanceLockedStake, true, defaultAccount)
	if err != nil {
		t.Fatal(err)
	}
	expectedBal := dcrutil.Amount(TstSpendingTx.MsgTx().TxOut[0].Value)
	if bal != expectedBal {
		t.Fatalf("bad balance: %v != %v", bal, expectedBal)
	}
	unspents, err := s.UnspentOutputs()
	if err != nil {
		t.Fatal(err)
	}
	op := wire.NewOutPoint(TstSpendingTx.Sha(), 0, dcrutil.TxTreeStake)
	if unspents[0].OutPoint != *op {
		t.Fatal("unspent outpoint doesn't match expected")
	}
	if len(unspents) > 1 {
		t.Fatal("has more than one unspent credit")
	}
}

func TestFilterInsertUpdateNone(t *testing.T) {
	f := bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateNone)

	// Add the generation pubkey
	inputStr := "0270c906c3ba64ba5eb3943cc012a3b142ef169f066002515bf9ec1bd9b7e27f0d"
	inputBytes, err := hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterInsertUpdateNone DecodeString failed: %v", err)
		return
	}
	f.Add(inputBytes)

	// Add the output address for the 4th transaction
	inputStr = "b6efd80d99179f4f4ff6f4dd0a007d018c385d21"
	inputBytes, err = hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterInsertUpdateNone DecodeString failed: %v", err)
		return
	}
	f.Add(inputBytes)

	inputStr = "147caa76786596590baa4e98f5d9f48b86c7765e489f7a6ff3360fe5c674360b"
	hash, err := chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestFilterInsertUpdateNone NewHashFromStr failed: %v", err)
		return
	}
	outpoint := wire.NewOutPoint(hash, 0, wire.TxTreeRegular)

	if f.MatchesOutPoint(outpoint) {
		t.Errorf("TestFilterInsertUpdateNone matched outpoint %s", inputStr)
		return
	}

	inputStr = "02981fa052f0481dbc5868f4fc2166035a10f27a03cfd2de67326471df5bc041"
	hash, err = chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestFilterInsertUpdateNone NewHashFromStr failed: %v", err)
		return
	}
	outpoint = wire.NewOutPoint(hash, 0, wire.TxTreeRegular)

	if f.MatchesOutPoint(outpoint) {
		t.Errorf("TestFilterInsertUpdateNone matched outpoint %s", inputStr)
		return
	}
}

func TestFakeTxs(t *testing.T) {
	// First we need a wallet.
	w, err := keystore.NewStore("banana wallet", "", []byte("banana"),
		wire.MainNet, &keystore.BlockStamp{}, 100)
	if err != nil {
		t.Errorf("Can not create encrypted wallet: %s", err)
		return
	}
	a := &Wallet{
		Wallet:          w,
		lockedOutpoints: map[wire.OutPoint]struct{}{},
	}

	w.Unlock([]byte("banana"))

	// Create and add a fake Utxo so we have some funds to spend.
	//
	// This will pass validation because txcscript is unaware of invalid
	// tx inputs, however, this example would fail in dcrd.
	utxo := &tx.Utxo{}
	addr, err := w.NextChainedAddress(&keystore.BlockStamp{}, 100)
	if err != nil {
		t.Errorf("Cannot get next address: %s", err)
		return
	}
	copy(utxo.AddrHash[:], addr.ScriptAddress())
	ophash := (chainhash.Hash)([...]byte{1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11,
		12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27,
		28, 29, 30, 31, 32})
	out := wire.NewOutPoint(&ophash, 0)
	utxo.Out = tx.OutPoint(*out)
	ss, err := txscript.PayToAddrScript(addr)
	if err != nil {
		t.Errorf("Could not create utxo PkScript: %s", err)
		return
	}
	utxo.Subscript = tx.PkScript(ss)
	utxo.Amt = 1000000
	utxo.Height = 12345
	a.UtxoStore = append(a.UtxoStore, utxo)

	// Fake our current block height so dcrd doesn't need to be queried.
	curBlock.BlockStamp.Height = 12346

	// Create the transaction.
	pairs := map[string]int64{
		"17XhEvq9Nahdj7Xe1nv6oRe1tEmaHUuynH": 5000,
	}
	_, err = a.txToPairs(pairs, 1)
	if err != nil {
		t.Errorf("Tx creation failed: %s", err)
		return
	}
}

// createSpendTx generates a basic spending transaction given the passed
// signature and public key scripts.
func createSpendingTx(sigScript, pkScript []byte) *wire.MsgTx {
	coinbaseTx := wire.NewMsgTx()

	outPoint := wire.NewOutPoint(&chainhash.Hash{}, ^uint32(0),
		dcrutil.TxTreeRegular)
	txIn := wire.NewTxIn(outPoint, []byte{OP_0, OP_0})
	txOut := wire.NewTxOut(0, pkScript)
	coinbaseTx.AddTxIn(txIn)
	coinbaseTx.AddTxOut(txOut)

	spendingTx := wire.NewMsgTx()
	coinbaseTxSha := coinbaseTx.TxSha()
	outPoint = wire.NewOutPoint(&coinbaseTxSha, 0,
		dcrutil.TxTreeRegular)
	txIn = wire.NewTxIn(outPoint, sigScript)
	txOut = wire.NewTxOut(0, nil)

	spendingTx.AddTxIn(txIn)
	spendingTx.AddTxOut(txOut)

	return spendingTx
}

// This example demonstrates manually creating and signing a redeem transaction.
func ExampleSignTxOutput() {
	// Ordinarily the private key would come from whatever storage mechanism
	// is being used, but for this example just hard code it.
	privKeyBytes, err := hex.DecodeString("22a47fa09a223f2aa079edf85a7c2" +
		"d4f8720ee63e502ee2869afab7de234b80c")
	if err != nil {
		fmt.Println(err)
		return
	}
	privKey, pubKey := chainec.Secp256k1.PrivKeyFromBytes(privKeyBytes)
	pubKeyHash := dcrutil.Hash160(pubKey.SerializeCompressed())
	addr, err := dcrutil.NewAddressPubKeyHash(pubKeyHash,
		&chaincfg.MainNetParams, chainec.ECTypeSecp256k1)
	if err != nil {
		fmt.Println(err)
		return
	}

	// For this example, create a fake transaction that represents what
	// would ordinarily be the real transaction that is being spent.  It
	// contains a single output that pays to address in the amount of 1 DCR.
	originTx := wire.NewMsgTx()
	prevOut := wire.NewOutPoint(&chainhash.Hash{}, ^uint32(0), dcrutil.TxTreeRegular)
	txIn := wire.NewTxIn(prevOut, []byte{txscript.OP_0, txscript.OP_0})
	originTx.AddTxIn(txIn)
	pkScript, err := txscript.PayToAddrScript(addr)
	if err != nil {
		fmt.Println(err)
		return
	}
	txOut := wire.NewTxOut(100000000, pkScript)
	originTx.AddTxOut(txOut)
	originTxHash := originTx.TxSha()

	// Create the transaction to redeem the fake transaction.
	redeemTx := wire.NewMsgTx()

	// Add the input(s) the redeeming transaction will spend.  There is no
	// signature script at this point since it hasn't been created or signed
	// yet, hence nil is provided for it.
	prevOut = wire.NewOutPoint(&originTxHash, 0, dcrutil.TxTreeRegular)
	txIn = wire.NewTxIn(prevOut, nil)
	redeemTx.AddTxIn(txIn)

	// Ordinarily this would contain that actual destination of the funds,
	// but for this example don't bother.
	txOut = wire.NewTxOut(0, nil)
	redeemTx.AddTxOut(txOut)

	// Sign the redeeming transaction.
	lookupKey := func(a dcrutil.Address) (chainec.PrivateKey, bool, error) {
		// Ordinarily this function would involve looking up the private
		// key for the provided address, but since the only thing being
		// signed in this example uses the address associated with the
		// private key from above, simply return it with the compressed
		// flag set since the address is using the associated compressed
		// public key.
		//
		// NOTE: If you want to prove the code is actually signing the
		// transaction properly, uncomment the following line which
		// intentionally returns an invalid key to sign with, which in
		// turn will result in a failure during the script execution
		// when verifying the signature.
		//
		// privKey.D.SetInt64(12345)
		//
		return privKey, true, nil
	}
	// Notice that the script database parameter is nil here since it isn't
	// used.  It must be specified when pay-to-script-hash transactions are
	// being signed.
	sigScript, err := txscript.SignTxOutput(&chaincfg.MainNetParams,
		redeemTx, 0, originTx.TxOut[0].PkScript, txscript.SigHashAll,
		txscript.KeyClosure(lookupKey), nil, nil, secp)
	if err != nil {
		fmt.Println(err)
		return
	}
	redeemTx.TxIn[0].SignatureScript = sigScript

	// Prove that the transaction has been validly signed by executing the
	// script pair.
	flags := txscript.ScriptBip16 | txscript.ScriptVerifyDERSignatures |
		txscript.ScriptDiscourageUpgradableNops
	vm, err := txscript.NewEngine(originTx.TxOut[0].PkScript, redeemTx, 0,
		flags, 0)
	if err != nil {
		fmt.Println(err)
		return
	}
	if err := vm.Execute(); err != nil {
		fmt.Println(err)
		return
	}
	fmt.Println("Transaction successfully signed")

	// Output:
	// Transaction successfully signed
}

func TestInsertsCreditsDebitsRollbacks(t *testing.T) {
	t.Parallel()

	// Create a double spend of the received blockchain transaction.
	dupRecvTx, err := dcrutil.NewTxFromBytesLegacy(TstRecvSerializedTx)
	if err != nil {
		t.Errorf("failed to deserialize test transaction: %v", err.Error())
		return
	}

	// Switch txout amount to 1 DCR.  Transaction store doesn't
	// validate txs, so this is fine for testing a double spend
	// removal.

	TstDupRecvAmount := int64(1e8)
	newDupMsgTx := dupRecvTx.MsgTx()
	newDupMsgTx.TxOut[0].Value = TstDupRecvAmount
	TstDoubleSpendTx := dcrutil.NewTx(newDupMsgTx)
	TstDoubleSpendSerializedTx := serializeTx(TstDoubleSpendTx)

	// Create a "signed" (with invalid sigs) tx that spends output 0 of
	// the double spend.
	spendingTx := wire.NewMsgTx()
	spendingTxIn := wire.NewTxIn(wire.NewOutPoint(TstDoubleSpendTx.Sha(), 0, dcrutil.TxTreeRegular), []byte{0, 1, 2, 3, 4})
	spendingTx.AddTxIn(spendingTxIn)
	spendingTxOut1 := wire.NewTxOut(1e7, []byte{5, 6, 7, 8, 9})
	spendingTxOut2 := wire.NewTxOut(9e7, []byte{10, 11, 12, 13, 14})
	spendingTx.AddTxOut(spendingTxOut1)
	spendingTx.AddTxOut(spendingTxOut2)
	TstSpendingTx := dcrutil.NewTx(spendingTx)
	TstSpendingSerializedTx := serializeTx(TstSpendingTx)
	var _ = TstSpendingTx

	tests := []struct {
		name     string
		f        func(*Store) (*Store, error)
		bal, unc dcrutil.Amount
		unspents map[wire.OutPoint]struct{}
		unmined  map[chainhash.Hash]struct{}
	}{
		{
			name: "new store",
			f: func(s *Store) (*Store, error) {
				return s, nil
			},
			bal:      0,
			unc:      0,
			unspents: map[wire.OutPoint]struct{}{},
			unmined:  map[chainhash.Hash]struct{}{},
		},
		{
			name: "txout insert",
			f: func(s *Store) (*Store, error) {
				rec, err := NewTxRecord(TstRecvSerializedTx, time.Now())
				if err != nil {
					return nil, err
				}
				err = s.InsertTx(rec, nil)
				if err != nil {
					return nil, err
				}

				err = s.AddCredit(rec, nil, 0, false)
				return s, err
			},
			bal: 0,
			unc: dcrutil.Amount(TstRecvTx.MsgTx().TxOut[0].Value),
			unspents: map[wire.OutPoint]struct{}{
				wire.OutPoint{*TstRecvTx.Sha(), 0, dcrutil.TxTreeRegular}: {},
			},
			unmined: map[chainhash.Hash]struct{}{
				*TstRecvTx.Sha(): {},
			},
		},
		{
			name: "insert duplicate unconfirmed",
			f: func(s *Store) (*Store, error) {
				rec, err := NewTxRecord(TstRecvSerializedTx, time.Now())
				if err != nil {
					return nil, err
				}
				err = s.InsertTx(rec, nil)
				if err != nil {
					return nil, err
				}

				err = s.AddCredit(rec, nil, 0, false)
				return s, err
			},
			bal: 0,
			unc: dcrutil.Amount(TstRecvTx.MsgTx().TxOut[0].Value),
			unspents: map[wire.OutPoint]struct{}{
				wire.OutPoint{*TstRecvTx.Sha(), 0, dcrutil.TxTreeRegular}: {},
			},
			unmined: map[chainhash.Hash]struct{}{
				*TstRecvTx.Sha(): {},
			},
		},
		{
			name: "confirmed txout insert",
//.........这里部分代码省略.........

// generateVote creates a new SSGen given a header hash, height, sstx
// tx hash, and votebits.
func (s *StakeStore) generateVote(ns walletdb.ReadWriteBucket, waddrmgrNs walletdb.ReadBucket, blockHash *chainhash.Hash, height int64, sstxHash *chainhash.Hash, defaultVoteBits stake.VoteBits, allowHighFees bool) (*StakeNotification, error) {
	// 1. Fetch the SStx, then calculate all the values we'll need later for
	// the generation of the SSGen tx outputs.
	sstxRecord, err := s.getSStx(ns, sstxHash)
	if err != nil {
		return nil, err
	}
	sstx := sstxRecord.tx
	sstxMsgTx := sstx.MsgTx()

	// The legacy wallet didn't store anything about the voteBits to use.
	// In the case we're loading a legacy wallet and the voteBits are
	// unset, just use the default voteBits as set by the user.
	voteBits := defaultVoteBits
	if sstxRecord.voteBitsSet {
		voteBits.Bits = sstxRecord.voteBits
		voteBits.ExtendedBits = sstxRecord.voteBitsExt
	}

	// Store the sstx pubkeyhashes and amounts as found in the transaction
	// outputs.
	// TODO Get information on the allowable fee range for the vote
	// and check to make sure we don't overflow that.
	ssgenPayTypes, ssgenPkhs, sstxAmts, _, _, _ :=
		stake.TxSStxStakeOutputInfo(sstxMsgTx)

	// Get the current reward.
	initSudsidyCacheOnce.Do(func() {
		subsidyCache = blockchain.NewSubsidyCache(height, s.Params)
	})
	stakeVoteSubsidy := blockchain.CalcStakeVoteSubsidy(subsidyCache,
		height, s.Params)

	// Calculate the output values from this data.
	ssgenCalcAmts := stake.CalculateRewards(sstxAmts,
		sstxMsgTx.TxOut[0].Value,
		stakeVoteSubsidy)

	subsidyCache = blockchain.NewSubsidyCache(height, s.Params)
	// 2. Add all transaction inputs to a new transaction after performing
	// some validity checks. First, add the stake base, then the OP_SSTX
	// tagged output.
	msgTx := wire.NewMsgTx()

	// Stakebase.
	stakeBaseOutPoint := wire.NewOutPoint(&chainhash.Hash{},
		uint32(0xFFFFFFFF),
		wire.TxTreeRegular)
	txInStakeBase := wire.NewTxIn(stakeBaseOutPoint, []byte{})
	msgTx.AddTxIn(txInStakeBase)

	// Add the subsidy amount into the input.
	msgTx.TxIn[0].ValueIn = stakeVoteSubsidy

	// SStx tagged output as an OutPoint.
	prevOut := wire.NewOutPoint(sstxHash,
		0, // Index 0
		1) // Tree stake
	txIn := wire.NewTxIn(prevOut, []byte{})
	msgTx.AddTxIn(txIn)

	// 3. Add the OP_RETURN null data pushes of the block header hash,
	// the block height, and votebits, then add all the OP_SSGEN tagged
	// outputs.
	//
	// Block reference output.
	blockRefScript, err := txscript.GenerateSSGenBlockRef(*blockHash,
		uint32(height))
	if err != nil {
		return nil, err
	}
	blockRefOut := wire.NewTxOut(0, blockRefScript)
	msgTx.AddTxOut(blockRefOut)

	// Votebits output.
	blockVBScript, err := generateVoteScript(voteBits)
	if err != nil {
		return nil, err
	}
	blockVBOut := wire.NewTxOut(0, blockVBScript)
	msgTx.AddTxOut(blockVBOut)

	// Add all the SSGen-tagged transaction outputs to the transaction after
	// performing some validity checks.
	for i, ssgenPkh := range ssgenPkhs {
		// Create a new script which pays to the provided address specified in
		// the original ticket tx.
		var ssgenOutScript []byte
		switch ssgenPayTypes[i] {
		case false: // P2PKH
			ssgenOutScript, err = txscript.PayToSSGenPKHDirect(ssgenPkh)
			if err != nil {
				return nil, err
			}
		case true: // P2SH
			ssgenOutScript, err = txscript.PayToSSGenSHDirect(ssgenPkh)
			if err != nil {
				return nil, err
//.........这里部分代码省略.........

// GenerateRevocation generates a revocation (SSRtx), signs it, and
// submits it by SendRawTransaction. It also stores a record of it
// in the local database.
func (s *StakeStore) generateRevocation(ns walletdb.ReadWriteBucket, waddrmgrNs walletdb.ReadBucket, blockHash *chainhash.Hash, height int64, sstxHash *chainhash.Hash,
	allowHighFees bool) (*StakeNotification, error) {

	// 1. Fetch the SStx, then calculate all the values we'll need later for
	// the generation of the SSRtx tx outputs.
	sstxRecord, err := s.getSStx(ns, sstxHash)
	if err != nil {
		return nil, err
	}
	sstx := sstxRecord.tx

	// Store the sstx pubkeyhashes and amounts as found in the transaction
	// outputs.
	// TODO Get information on the allowable fee range for the revocation
	// and check to make sure we don't overflow that.
	sstxPayTypes, sstxPkhs, sstxAmts, _, _, _ :=
		stake.TxSStxStakeOutputInfo(sstx.MsgTx())
	ssrtxCalcAmts := stake.CalculateRewards(sstxAmts, sstx.MsgTx().TxOut[0].Value,
		int64(0))

	// Calculate the fee to use for this revocation based on the fee
	// per KB that is standard for mainnet.
	revocationSizeEst := estimateSSRtxTxSize(1, len(sstxPkhs))
	revocationFee := txrules.FeeForSerializeSize(revocationFeePerKB,
		revocationSizeEst)

	// 2. Add the only input.
	msgTx := wire.NewMsgTx()

	// SStx tagged output as an OutPoint; reference this as
	// the only input.
	prevOut := wire.NewOutPoint(sstxHash,
		0, // Index 0
		1) // Tree stake
	txIn := wire.NewTxIn(prevOut, []byte{})
	msgTx.AddTxIn(txIn)

	// 3. Add all the OP_SSRTX tagged outputs.

	// Add all the SSRtx-tagged transaction outputs to the transaction after
	// performing some validity checks.
	feeAdded := false
	for i, sstxPkh := range sstxPkhs {
		// Create a new script which pays to the provided address specified in
		// the original ticket tx.
		var ssrtxOutScript []byte
		switch sstxPayTypes[i] {
		case false: // P2PKH
			ssrtxOutScript, err = txscript.PayToSSRtxPKHDirect(sstxPkh)
			if err != nil {
				return nil, err
			}
		case true: // P2SH
			ssrtxOutScript, err = txscript.PayToSSRtxSHDirect(sstxPkh)
			if err != nil {
				return nil, err
			}
		}

		// Add a fee from an output that has enough.
		amt := ssrtxCalcAmts[i]
		if !feeAdded && ssrtxCalcAmts[i] >= int64(revocationFee) {
			amt -= int64(revocationFee)
			feeAdded = true
		}

		// Add the txout to our SSRtx tx.
		txOut := wire.NewTxOut(amt, ssrtxOutScript)
		msgTx.AddTxOut(txOut)
	}

	// Check to make sure our SSRtx was created correctly.
	_, err = stake.IsSSRtx(msgTx)
	if err != nil {
		return nil, err
	}

	// Sign the transaction.
	err = s.SignVRTransaction(waddrmgrNs, msgTx, sstx, false)
	if err != nil {
		return nil, err
	}

	// Store the information about the SSRtx.
	hash := msgTx.TxSha()
	err = s.insertSSRtx(ns,
		blockHash,
		height,
		&hash,
		sstx.Sha())
	if err != nil {
		return nil, err
	}

	// Send the transaction.
	ssrtxSha, err := s.chainSvr.SendRawTransaction(msgTx, allowHighFees)
	if err != nil {
//.........这里部分代码省略.........

//.........这里部分代码省略.........
				}
			}
		}
		newheight, err := db.InsertBlock(block)
		if err != nil {
			t.Errorf("failed to insert block %v err %v", height, err)
			break out
		}
		if newheight != height {
			t.Errorf("height mismatch expect %v returned %v", height, newheight)
			break out
		}

		newSha, blkid, err := db.NewestSha()
		if err != nil {
			t.Errorf("failed to obtain latest sha %v %v", height, err)
		}

		if blkid != height {
			t.Errorf("height doe not match latest block height %v %v %v", blkid, height, err)
		}

		blkSha := block.Sha()
		if *newSha != *blkSha {
			t.Errorf("Newest block sha does not match freshly inserted one %v %v %v ", newSha, blkSha, err)
		}
		lastSha = blkSha
	}

	// generate a new block based on the last sha
	// these block are not verified, so there are a bunch of garbage fields
	// in the 'generated' block.

	var bh wire.BlockHeader

	bh.Version = 0
	bh.PrevBlock = *lastSha
	// Bits, Nonce are not filled in

	mblk := wire.NewMsgBlock(&bh)

	hash, _ := chainhash.NewHashFromStr("c23953c56cb2ef8e4698e3ed3b0fc4c837754d3cd16485192d893e35f32626b4")

	po := wire.NewOutPoint(hash, 0, dcrutil.TxTreeRegular)
	txI := wire.NewTxIn(po, []byte("garbage"))
	txO := wire.NewTxOut(50000000, []byte("garbageout"))

	var tx wire.MsgTx
	tx.AddTxIn(txI)
	tx.AddTxOut(txO)

	mblk.AddTransaction(&tx)

	blk := dcrutil.NewBlock(mblk)

	fetchList := []*chainhash.Hash{hash}
	listReply := db.FetchUnSpentTxByShaList(fetchList)
	for _, lr := range listReply {
		if lr.Err != nil {
			t.Errorf("sha %v spent %v err %v\n", lr.Sha,
				lr.TxSpent, lr.Err)
		}
	}

	_, err = db.InsertBlock(blk)
	if err != nil {
		t.Errorf("failed to insert phony block %v", err)
	}

	// ok, did it 'spend' the tx ?

	listReply = db.FetchUnSpentTxByShaList(fetchList)
	for _, lr := range listReply {
		if lr.Err != nil && lr.Err != database.ErrTxShaMissing {
			t.Errorf("sha %v spent %v err %v\n", lr.Sha,
				lr.TxSpent, lr.Err)
		}
	}

	txlist := blk.Transactions()
	for _, tx := range txlist {
		txsha := tx.Sha()
		txReply, err := db.FetchTxBySha(txsha)
		if err != nil {
			t.Errorf("fully spent lookup %v err %v\n", hash, err)
		} else {
			for _, lr := range txReply {
				if lr.Err != nil {
					t.Errorf("stx %v spent %v err %v\n", lr.Sha,
						lr.TxSpent, lr.Err)
				}
			}
		}
	}

	err = db.DropAfterBlockBySha(lastSha)
	if err != nil {
		t.Errorf("failed to drop spending block %v", err)
	}
}

//.........这里部分代码省略.........
	shaBytes, err = hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch DecodeString failed: %v\n", err)
		return
	}
	f.Add(shaBytes)
	if !f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch didn't match input pubkey %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "04943fdd508053c75000106d3bc6e2754dbcff19"
	shaBytes, err = hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch DecodeString failed: %v\n", err)
		return
	}
	f.Add(shaBytes)
	if !f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch didn't match output address %s", inputStr)
	}
	if !f.MatchTxAndUpdate(spendingTx) {
		t.Errorf("TestFilterBloomMatch spendingTx didn't match output address %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "a266436d2965547608b9e15d9032a7b9d64fa431"
	shaBytes, err = hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch DecodeString failed: %v\n", err)
		return
	}
	f.Add(shaBytes)
	if !f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch didn't match output address %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "90c122d70786e899529d71dbeba91ba216982fb6ba58f3bdaab65e73b7e9260b"
	sha, err = chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch NewShaHashFromStr failed: %v\n", err)
		return
	}
	outpoint := wire.NewOutPoint(sha, 0, dcrutil.TxTreeRegular)
	f.AddOutPoint(outpoint)
	if !f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch didn't match outpoint %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "00000009e784f32f62ef849763d4f45b98e07ba658647343b915ff832b110436"
	sha, err = chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch NewShaHashFromStr failed: %v\n", err)
		return
	}
	f.AddShaHash(sha)
	if f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch matched sha %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "0000006d2965547608b9e15d9032a7b9d64fa431"
	shaBytes, err = hex.DecodeString(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch DecodeString failed: %v\n", err)
		return
	}
	f.Add(shaBytes)
	if f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch matched address %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "90c122d70786e899529d71dbeba91ba216982fb6ba58f3bdaab65e73b7e9260b"
	sha, err = chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch NewShaHashFromStr failed: %v\n", err)
		return
	}
	outpoint = wire.NewOutPoint(sha, 1, dcrutil.TxTreeRegular)
	f.AddOutPoint(outpoint)
	if f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch matched outpoint %s", inputStr)
	}

	f = bloom.NewFilter(10, 0, 0.000001, wire.BloomUpdateAll)
	inputStr = "000000d70786e899529d71dbeba91ba216982fb6ba58f3bdaab65e73b7e9260b"
	sha, err = chainhash.NewHashFromStr(inputStr)
	if err != nil {
		t.Errorf("TestFilterBloomMatch NewShaHashFromStr failed: %v\n", err)
		return
	}
	outpoint = wire.NewOutPoint(sha, 0, dcrutil.TxTreeRegular)
	f.AddOutPoint(outpoint)
	if f.MatchTxAndUpdate(tx) {
		t.Errorf("TestFilterBloomMatch matched outpoint %s", inputStr)
	}
}

// GenerateRevocation generates a revocation (SSRtx), signs it, and
// submits it by SendRawTransaction. It also stores a record of it
// in the local database.
func (s *StakeStore) generateRevocation(blockHash *chainhash.Hash, height int64,
	sstxHash *chainhash.Hash) (*StakeNotification, error) {
	var revocationFee int64
	switch {
	case s.Params == &chaincfg.MainNetParams:
		revocationFee = revocationFeeMainNet
	case s.Params == &chaincfg.TestNetParams:
		revocationFee = revocationFeeTestNet
	default:
		revocationFee = revocationFeeTestNet
	}

	// 1. Fetch the SStx, then calculate all the values we'll need later for
	// the generation of the SSRtx tx outputs.
	sstxRecord, err := s.getSStx(sstxHash)
	if err != nil {
		return nil, err
	}
	sstx := sstxRecord.tx

	// Store the sstx pubkeyhashes and amounts as found in the transaction
	// outputs.
	// TODO Get information on the allowable fee range for the revocation
	// and check to make sure we don't overflow that.
	sstxPayTypes, sstxPkhs, sstxAmts, _, _, _ :=
		stake.GetSStxStakeOutputInfo(sstx)

	ssrtxCalcAmts := stake.GetStakeRewards(sstxAmts, sstx.MsgTx().TxOut[0].Value,
		int64(0))

	// 2. Add the only input.
	msgTx := wire.NewMsgTx()

	// SStx tagged output as an OutPoint; reference this as
	// the only input.
	prevOut := wire.NewOutPoint(sstxHash,
		0, // Index 0
		1) // Tree stake
	txIn := wire.NewTxIn(prevOut, []byte{})
	msgTx.AddTxIn(txIn)

	// 3. Add all the OP_SSRTX tagged outputs.

	// Add all the SSRtx-tagged transaction outputs to the transaction after
	// performing some validity checks.
	feeAdded := false
	for i, sstxPkh := range sstxPkhs {
		// Create a new script which pays to the provided address specified in
		// the original ticket tx.
		var ssrtxOutScript []byte
		switch sstxPayTypes[i] {
		case false: // P2PKH
			ssrtxOutScript, err = txscript.PayToSSRtxPKHDirect(sstxPkh)
			if err != nil {
				return nil, err
			}
		case true: // P2SH
			ssrtxOutScript, err = txscript.PayToSSRtxSHDirect(sstxPkh)
			if err != nil {
				return nil, err
			}
		}

		// Add a fee from an output that has enough.
		amt := ssrtxCalcAmts[i]
		if !feeAdded && ssrtxCalcAmts[i] >= revocationFee {
			amt -= revocationFee
			feeAdded = true
		}

		// Add the txout to our SSRtx tx.
		txOut := wire.NewTxOut(amt, ssrtxOutScript)
		msgTx.AddTxOut(txOut)
	}

	// Check to make sure our SSRtx was created correctly.
	ssrtxTx := dcrutil.NewTx(msgTx)
	ssrtxTx.SetTree(dcrutil.TxTreeStake)
	_, err = stake.IsSSRtx(ssrtxTx)
	if err != nil {
		return nil, err
	}

	// Sign the transaction.
	err = s.SignVRTransaction(msgTx, sstx, false)
	if err != nil {
		return nil, err
	}

	// Send the transaction.
	ssrtxSha, err := s.chainSvr.SendRawTransaction(msgTx, false)
	if err != nil {
		return nil, err
	}

	// Store the information about the SSRtx.
	err = s.insertSSRtx(blockHash,
//.........这里部分代码省略.........

// TestTx tests the MsgTx API.
func TestTx(t *testing.T) {
	pver := wire.ProtocolVersion

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

	// Ensure the command is expected value.
	wantCmd := "tx"
	msg := wire.NewMsgTx()
	if cmd := msg.Command(); cmd != wantCmd {
		t.Errorf("NewMsgAddr: wrong command - got %v want %v",
			cmd, wantCmd)
	}

	// Ensure max payload is expected value for latest protocol version.
	// Num addresses (varInt) + max allowed addresses.
	wantPayload := uint32(1000 * 1000)
	maxPayload := msg.MaxPayloadLength(pver)
	if maxPayload != wantPayload {
		t.Errorf("MaxPayloadLength: wrong max payload length for "+
			"protocol version %d - got %v, want %v", pver,
			maxPayload, wantPayload)
	}

	// Ensure we get the same transaction output point data back out.
	// NOTE: This is a block hash and made up index, but we're only
	// testing package functionality.
	prevOutIndex := uint32(1)
	prevOut := wire.NewOutPoint(hash, prevOutIndex, dcrutil.TxTreeRegular)
	if !prevOut.Hash.IsEqual(hash) {
		t.Errorf("NewOutPoint: wrong hash - got %v, want %v",
			spew.Sprint(&prevOut.Hash), spew.Sprint(hash))
	}
	if prevOut.Index != prevOutIndex {
		t.Errorf("NewOutPoint: wrong index - got %v, want %v",
			prevOut.Index, prevOutIndex)
	}
	prevOutStr := fmt.Sprintf("%s:%d", hash.String(), prevOutIndex)
	if s := prevOut.String(); s != prevOutStr {
		t.Errorf("OutPoint.String: unexpected result - got %v, "+
			"want %v", s, prevOutStr)
	}

	// Ensure we get the same transaction input back out.
	sigScript := []byte{0x04, 0x31, 0xdc, 0x00, 0x1b, 0x01, 0x62}
	txIn := wire.NewTxIn(prevOut, sigScript)
	if !reflect.DeepEqual(&txIn.PreviousOutPoint, prevOut) {
		t.Errorf("NewTxIn: wrong prev outpoint - got %v, want %v",
			spew.Sprint(&txIn.PreviousOutPoint),
			spew.Sprint(prevOut))
	}
	if !bytes.Equal(txIn.SignatureScript, sigScript) {
		t.Errorf("NewTxIn: wrong signature script - got %v, want %v",
			spew.Sdump(txIn.SignatureScript),
			spew.Sdump(sigScript))
	}

	// Ensure we get the same transaction output back out.
	txValue := int64(5000000000)
	pkScript := []byte{
		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
	}
	txOut := wire.NewTxOut(txValue, pkScript)
	if txOut.Value != txValue {
		t.Errorf("NewTxOut: wrong pk script - got %v, want %v",
			txOut.Value, txValue)

	}
	if !bytes.Equal(txOut.PkScript, pkScript) {
		t.Errorf("NewTxOut: wrong pk script - got %v, want %v",
			spew.Sdump(txOut.PkScript),
			spew.Sdump(pkScript))
	}

	// Ensure transaction inputs are added properly.
	msg.AddTxIn(txIn)
	if !reflect.DeepEqual(msg.TxIn[0], txIn) {
		t.Errorf("AddTxIn: wrong transaction input added - got %v, want %v",
			spew.Sprint(msg.TxIn[0]), spew.Sprint(txIn))
	}

	// Ensure transaction outputs are added properly.
	msg.AddTxOut(txOut)
	if !reflect.DeepEqual(msg.TxOut[0], txOut) {
		t.Errorf("AddTxIn: wrong transaction output added - got %v, want %v",
//.........这里部分代码省略.........

//.........这里部分代码省略.........
			continue
		}

		tx, err := dcrutil.NewTxFromBytesLegacy(serializedTx)
		if err != nil {
			t.Errorf("bad test (arg 2 not msgtx %v) %d: %v", err,
				i, test)
			continue
		}

		verifyFlags, ok := test[2].(string)
		if !ok {
			t.Errorf("bad test (arg 3 not string) %d: %v", i, test)
			continue
		}

		flags, err := parseScriptFlags(verifyFlags)
		if err != nil {
			t.Errorf("bad test %d: %v", i, err)
			continue
		}

		prevOuts := make(map[wire.OutPoint][]byte)
		for j, iinput := range inputs {
			input, ok := iinput.([]interface{})
			if !ok {
				t.Errorf("bad test (%dth input not array)"+
					"%d: %v", j, i, test)
				continue
			}

			if len(input) != 3 {
				t.Errorf("bad test (%dth input wrong length)"+
					"%d: %v", j, i, test)
				continue
			}

			previoustx, ok := input[0].(string)
			if !ok {
				t.Errorf("bad test (%dth input sha not string)"+
					"%d: %v", j, i, test)
				continue
			}

			prevhash, err := chainhash.NewHashFromStr(previoustx)
			if err != nil {
				t.Errorf("bad test (%dth input sha not sha %v)"+
					"%d: %v", j, err, i, test)
				continue
			}

			idxf, ok := input[1].(float64)
			if !ok {
				t.Errorf("bad test (%dth input idx not number)"+
					"%d: %v", j, i, test)
				continue
			}
			idx := testVecF64ToUint32(idxf)

			oscript, ok := input[2].(string)
			if !ok {
				t.Errorf("bad test (%dth input script not "+
					"string) %d: %v", j, i, test)
				continue
			}

			script, err := parseShortForm(oscript)
			if err != nil {
				t.Errorf("bad test (%dth input script doesn't "+
					"parse %v) %d: %v", j, err, i, test)
				continue
			}

			prevOuts[*wire.NewOutPoint(prevhash, idx, dcrutil.TxTreeRegular)] = script
		}

		for k, txin := range tx.MsgTx().TxIn {
			pkScript, ok := prevOuts[txin.PreviousOutPoint]
			if !ok {
				t.Errorf("bad test (missing %dth input) %d:%v",
					k, i, test)
				continue testloop
			}
			vm, err := NewEngine(pkScript, tx.MsgTx(), k, flags, 0,
				nil)
			if err != nil {
				t.Errorf("test (%d:%v:%d) failed to create "+
					"script: %v", i, test, k, err)
				continue
			}

			err = vm.Execute()
			if err != nil {
				t.Errorf("test (%d:%v:%d) failed to execute: "+
					"%v", i, test, k, err)
				continue
			}
		}
	}
}