tx

package
v0.0.1 Latest Latest
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This package is not in the latest version of its module.

 Go to latest Published: Sep 26, 2018 License: BSD-2-Clause Imports: 18 Imported by: 59

Documentation

Index

Constants

View Source 
const (
	TxOrphan = iota
	TxInvalid
	CoinAmount = 100000000
)
View Source 
const (
	RequireStandard = 1
	DefaultVersion  = 0x01
)
View Source 
const (
	MaxMoney = 21000000 * CoinAmount

	// MaxTxSigOpsCounts the maximum allowed number of signature check operations per transaction (network rule)
	MaxTxSigOpsCounts = 20000

	FreeListMaxItems  = 12500
	MaxMessagePayload = 32 * 1024 * 1024
	MinTxInPayload    = 9 + util.Hash256Size
	MaxTxInPerMessage = (MaxMessagePayload / MinTxInPayload) + 1
	TxVersion         = 1
)
View Source 
const (
	DefaultBlockPriorityPercentage int64 = 5

	MaxStandardVersion = 2

	/*MaxStandardTxSize the maximum size for transactions we're willing to relay/mine */
	MaxStandardTxSize uint = 100000

	/*MaxP2SHSigOps maximum number of signature check operations in an IsStandard() P2SH script*/
	MaxP2SHSigOps uint = 15

	/*MaxStandardTxSigOps the maximum number of sigops we're willing to relay/mine in a single tx */
	MaxStandardTxSigOps = uint(consensus.MaxTxSigOpsCount / 5)

	// DefaultIncrementalRelayFee is default for -incrementalrelayfee, which sets the minimum feerate increase
	// for mempool limiting or BIP 125 replacement
	DefaultIncrementalRelayFee int64 = 1000

	// DefaultBytesPerSigop is default for -bytespersigop
	DefaultBytesPerSigop uint = 20

	// MaxStandardP2WSHStackItems is the maximum number of witness stack items in a standard P2WSH script
	MaxStandardP2WSHStackItems uint = 100

	/*MaxStandardP2WSHStackItemSize the maximum size of each witness stack item in a standard P2WSH script */
	MaxStandardP2WSHStackItemSize uint = 80

	/*MaxStandardP2WSHScriptSize the maximum size of a standard witnessScript */
	MaxStandardP2WSHScriptSize uint = 3600

	/*StandardLockTimeVerifyFlags used as the flags parameter to sequence and LockTime checks in
	 * non-core code. */
	StandardLockTimeVerifyFlags uint = consensus.LocktimeVerifySequence | consensus.LocktimeMedianTimePast
)

Variables

This section is empty.

Functions

func CheckSig 

func CheckSig(signHash util.Hash, vchSigIn []byte, vchPubKey []byte) bool

func GetOutputsHash 

func GetOutputsHash(outs []*txout.TxOut) (h util.Hash, err error)

func GetPreviousOutHash 

func GetPreviousOutHash(tx *Tx) (h util.Hash)

func GetSequenceHash 

func GetSequenceHash(tx *Tx) (h util.Hash)

func SignatureHash 

func SignatureHash(transaction *Tx, s *script.Script, hashType uint32, nIn int,
	money amount.Amount, flags uint32) (result util.Hash, err error)

Types

type Tx 

type Tx struct {
	// contains filtered or unexported fields
}

func NewEmptyTx 

func NewEmptyTx() *Tx

func NewGenesisCoinbaseTx 

func NewGenesisCoinbaseTx() *Tx

func NewTx 

func NewTx(locktime uint32, version int32) *Tx

func (*Tx) AddTxIn 

func (tx *Tx) AddTxIn(txIn *txin.TxIn)

func (*Tx) AddTxOut 

func (tx *Tx) AddTxOut(txOut *txout.TxOut)

func (*Tx) CalculateModifiedSize 

func (tx *Tx) CalculateModifiedSize() uint32

func (*Tx) CheckCoinbaseTransaction 

func (tx *Tx) CheckCoinbaseTransaction() error

func (*Tx) CheckDuplicateIns 

func (tx *Tx) CheckDuplicateIns(outpoints *map[outpoint.OutPoint]bool) error

func (*Tx) CheckRegularTransaction 

func (tx *Tx) CheckRegularTransaction() error

func (*Tx) CheckStandard 

func (tx *Tx) CheckStandard() error

func (*Tx) ComputePriority 

func (tx *Tx) ComputePriority(priorityInputs float64, txSize int) float64

func (*Tx) Decode 

func (tx *Tx) Decode(reader io.Reader) error

func (*Tx) Encode 

func (tx *Tx) Encode(writer io.Writer) error

func (*Tx) EncodeSize 

func (tx *Tx) EncodeSize() uint32

func (*Tx) GetAllPreviousOut 

func (tx *Tx) GetAllPreviousOut() (outs []outpoint.OutPoint)

func (*Tx) GetHash 

func (tx *Tx) GetHash() util.Hash

func (*Tx) GetIns 

func (tx *Tx) GetIns() []*txin.TxIn

func (*Tx) GetInsCount 

func (tx *Tx) GetInsCount() int

func (*Tx) GetLockTime 

func (tx *Tx) GetLockTime() uint32

func (*Tx) GetOuts 

func (tx *Tx) GetOuts() []*txout.TxOut

func (*Tx) GetOutsCount 

func (tx *Tx) GetOutsCount() int

func (*Tx) GetSigOpCountWithoutP2SH 

func (tx *Tx) GetSigOpCountWithoutP2SH() int

func (*Tx) GetTxIn 

func (tx *Tx) GetTxIn(index int) (out *txin.TxIn)

func (*Tx) GetTxOut 

func (tx *Tx) GetTxOut(index int) (out *txout.TxOut)

func (*Tx) GetValueOut 

func (tx *Tx) GetValueOut() amount.Amount

func (*Tx) GetVersion 

func (tx *Tx) GetVersion() int32

func (*Tx) IsCoinBase 

func (tx *Tx) IsCoinBase() bool

func (*Tx) IsCommitment 

func (tx *Tx) IsCommitment(data []byte) bool

func (*Tx) IsFinal 

func (tx *Tx) IsFinal(Height int32, time int64) bool

IsFinal proceeds as follows 1. tx.locktime > 0 and tx.locktime < Threshhold, use height to check(tx.locktime > current height) 2. tx.locktime > Threshhold, use time to check(tx.locktime > current blocktime) 3. sequence can disable it

func (*Tx) RemoveTxIn 

func (tx *Tx) RemoveTxIn(txIn *txin.TxIn)

func (*Tx) RemoveTxOut 

func (tx *Tx) RemoveTxOut(txOut *txout.TxOut)

func (*Tx) Serialize 

func (tx *Tx) Serialize(writer io.Writer) error

func (*Tx) SerializeSize 

func (tx *Tx) SerializeSize() uint32

func (*Tx) SignStep 

func (tx *Tx) SignStep(redeemScripts map[string]string, keys map[string]*crypto.PrivateKey,
	hashType uint32, scriptPubKey *script.Script, nIn int, value amount.Amount) (sigData [][]byte, pubKeyType int, err error)

func (*Tx) String 

func (tx *Tx) String() string

func (*Tx) Unserialize 

func (tx *Tx) Unserialize(reader io.Reader) error

func (*Tx) UpdateInScript 

func (tx *Tx) UpdateInScript(i int, scriptSig *script.Script) error

Source Files

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