txscript

package module

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Versions in this module

v3

deprecated

v3.0.1

Jun 10, 2023

v3.0.0

Sep 26, 2020

Changes in this version

+ const CltvMaxScriptNumLen

+ const CsvMaxScriptNumLen

+ const ErrCheckMultiSigVerify

+ const ErrCheckSigAltVerify

+ const ErrCheckSigVerify

+ const ErrCleanStack

+ const ErrDisabledOpcode

+ const ErrDiscourageUpgradableNOPs

+ const ErrDivideByZero

+ const ErrEarlyReturn

+ const ErrElementTooBig

+ const ErrEmptyStack

+ const ErrEqualVerify

+ const ErrEvalFalse

+ const ErrInvalidIndex

+ const ErrInvalidProgramCounter

+ const ErrInvalidPubKeyCount

+ const ErrInvalidSigHashSingleIndex

+ const ErrInvalidSigHashType

+ const ErrInvalidSignatureCount

+ const ErrInvalidStackOperation

+ const ErrMalformedPush

+ const ErrMinimalData

+ const ErrNegativeLockTime

+ const ErrNegativeRotation

+ const ErrNegativeShift

+ const ErrNegativeSubstrIdx

+ const ErrNotMultisigScript

+ const ErrNotPushOnly

+ const ErrNumEqualVerify

+ const ErrNumOutOfRange

+ const ErrOverflowRotation

+ const ErrOverflowShift

+ const ErrOverflowSubstrIdx

+ const ErrP2SHStakeOpCodes

+ const ErrP2SHTreasuryOpCodes

+ const ErrPubKeyType

+ const ErrReservedOpcode

+ const ErrScriptTooBig

+ const ErrScriptUnfinished

+ const ErrSigHighS

+ const ErrSigInvalidDataLen

+ const ErrSigInvalidRIntID

+ const ErrSigInvalidSIntID

+ const ErrSigInvalidSLen

+ const ErrSigInvalidSeqID

+ const ErrSigMissingSLen

+ const ErrSigMissingSTypeID

+ const ErrSigNegativeR

+ const ErrSigNegativeS

+ const ErrSigTooLong

+ const ErrSigTooMuchRPadding

+ const ErrSigTooMuchSPadding

+ const ErrSigTooShort

+ const ErrSigZeroRLen

+ const ErrSigZeroSLen

+ const ErrStackOverflow

+ const ErrTooManyOperations

+ const ErrTooManyRequiredSigs

+ const ErrTooMuchNullData

+ const ErrUnbalancedConditional

+ const ErrUnsatisfiedLockTime

+ const ErrUnsupportedAddress

+ const ErrUnsupportedScriptVersion

+ const ErrVerify

+ const LockTimeThreshold

+ const MathOpCodeMaxScriptNumLen

+ const MaxDataCarrierSize

+ const MaxOpsPerScript

+ const MaxPubKeysPerMultiSig

+ const MaxScriptElementSize

+ const MaxScriptSize

+ const MaxStackSize

+ const OP_0

+ const OP_0NOTEQUAL

+ const OP_1

+ const OP_10

+ const OP_11

+ const OP_12

+ const OP_13

+ const OP_14

+ const OP_15

+ const OP_16

+ const OP_1ADD

+ const OP_1NEGATE

+ const OP_1SUB

+ const OP_2

+ const OP_2DIV

+ const OP_2DROP

+ const OP_2DUP

+ const OP_2MUL

+ const OP_2OVER

+ const OP_2ROT

+ const OP_2SWAP

+ const OP_3

+ const OP_3DUP

+ const OP_4

+ const OP_5

+ const OP_6

+ const OP_7

+ const OP_8

+ const OP_9

+ const OP_ABS

+ const OP_ADD

+ const OP_AND

+ const OP_BLAKE256

+ const OP_BOOLAND

+ const OP_BOOLOR

+ const OP_CAT

+ const OP_CHECKLOCKTIMEVERIFY

+ const OP_CHECKMULTISIG

+ const OP_CHECKMULTISIGVERIFY

+ const OP_CHECKSEQUENCEVERIFY

+ const OP_CHECKSIG

+ const OP_CHECKSIGALT

+ const OP_CHECKSIGALTVERIFY

+ const OP_CHECKSIGVERIFY

+ const OP_CODESEPARATOR

+ const OP_DATA_1

+ const OP_DATA_10

+ const OP_DATA_11

+ const OP_DATA_12

+ const OP_DATA_13

+ const OP_DATA_14

+ const OP_DATA_15

+ const OP_DATA_16

+ const OP_DATA_17

+ const OP_DATA_18

+ const OP_DATA_19

+ const OP_DATA_2

+ const OP_DATA_20

+ const OP_DATA_21

+ const OP_DATA_22

+ const OP_DATA_23

+ const OP_DATA_24

+ const OP_DATA_25

+ const OP_DATA_26

+ const OP_DATA_27

+ const OP_DATA_28

+ const OP_DATA_29

+ const OP_DATA_3

+ const OP_DATA_30

+ const OP_DATA_31

+ const OP_DATA_32

+ const OP_DATA_33

+ const OP_DATA_34

+ const OP_DATA_35

+ const OP_DATA_36

+ const OP_DATA_37

+ const OP_DATA_38

+ const OP_DATA_39

+ const OP_DATA_4

+ const OP_DATA_40

+ const OP_DATA_41

+ const OP_DATA_42

+ const OP_DATA_43

+ const OP_DATA_44

+ const OP_DATA_45

+ const OP_DATA_46

+ const OP_DATA_47

+ const OP_DATA_48

+ const OP_DATA_49

+ const OP_DATA_5

+ const OP_DATA_50

+ const OP_DATA_51

+ const OP_DATA_52

+ const OP_DATA_53

+ const OP_DATA_54

+ const OP_DATA_55

+ const OP_DATA_56

+ const OP_DATA_57

+ const OP_DATA_58

+ const OP_DATA_59

+ const OP_DATA_6

+ const OP_DATA_60

+ const OP_DATA_61

+ const OP_DATA_62

+ const OP_DATA_63

+ const OP_DATA_64

+ const OP_DATA_65

+ const OP_DATA_66

+ const OP_DATA_67

+ const OP_DATA_68

+ const OP_DATA_69

+ const OP_DATA_7

+ const OP_DATA_70

+ const OP_DATA_71

+ const OP_DATA_72

+ const OP_DATA_73

+ const OP_DATA_74

+ const OP_DATA_75

+ const OP_DATA_8

+ const OP_DATA_9

+ const OP_DEPTH

+ const OP_DIV

+ const OP_DROP

+ const OP_DUP

+ const OP_ELSE

+ const OP_ENDIF

+ const OP_EQUAL

+ const OP_EQUALVERIFY

+ const OP_FALSE

+ const OP_FROMALTSTACK

+ const OP_GREATERTHAN

+ const OP_GREATERTHANOREQUAL

+ const OP_HASH160

+ const OP_HASH256

+ const OP_IF

+ const OP_IFDUP

+ const OP_INVALID249

+ const OP_INVALIDOPCODE

+ const OP_INVERT

+ const OP_LEFT

+ const OP_LESSTHAN

+ const OP_LESSTHANOREQUAL

+ const OP_LSHIFT

+ const OP_MAX

+ const OP_MIN

+ const OP_MOD

+ const OP_MUL

+ const OP_NEGATE

+ const OP_NIP

+ const OP_NOP

+ const OP_NOP1

+ const OP_NOP10

+ const OP_NOP2

+ const OP_NOP3

+ const OP_NOP4

+ const OP_NOP5

+ const OP_NOP6

+ const OP_NOP7

+ const OP_NOP8

+ const OP_NOP9

+ const OP_NOT

+ const OP_NOTIF

+ const OP_NUMEQUAL

+ const OP_NUMEQUALVERIFY

+ const OP_NUMNOTEQUAL

+ const OP_OR

+ const OP_OVER

+ const OP_PICK

+ const OP_PUBKEY

+ const OP_PUBKEYHASH

+ const OP_PUBKEYS

+ const OP_PUSHDATA1

+ const OP_PUSHDATA2

+ const OP_PUSHDATA4

+ const OP_RESERVED

+ const OP_RETURN

+ const OP_RIGHT

+ const OP_RIPEMD160

+ const OP_ROLL

+ const OP_ROT

+ const OP_ROTL

+ const OP_ROTR

+ const OP_RSHIFT

+ const OP_SHA1

+ const OP_SHA256

+ const OP_SIZE

+ const OP_SMALLINTEGER

+ const OP_SSGEN

+ const OP_SSRTX

+ const OP_SSTX

+ const OP_SSTXCHANGE

+ const OP_SUB

+ const OP_SUBSTR

+ const OP_SWAP

+ const OP_TADD

+ const OP_TGEN

+ const OP_TOALTSTACK

+ const OP_TRUE

+ const OP_TSPEND

+ const OP_TUCK

+ const OP_UNKNOWN196

+ const OP_UNKNOWN197

+ const OP_UNKNOWN198

+ const OP_UNKNOWN199

+ const OP_UNKNOWN200

+ const OP_UNKNOWN201

+ const OP_UNKNOWN202

+ const OP_UNKNOWN203

+ const OP_UNKNOWN204

+ const OP_UNKNOWN205

+ const OP_UNKNOWN206

+ const OP_UNKNOWN207

+ const OP_UNKNOWN208

+ const OP_UNKNOWN209

+ const OP_UNKNOWN210

+ const OP_UNKNOWN211

+ const OP_UNKNOWN212

+ const OP_UNKNOWN213

+ const OP_UNKNOWN214

+ const OP_UNKNOWN215

+ const OP_UNKNOWN216

+ const OP_UNKNOWN217

+ const OP_UNKNOWN218

+ const OP_UNKNOWN219

+ const OP_UNKNOWN220

+ const OP_UNKNOWN221

+ const OP_UNKNOWN222

+ const OP_UNKNOWN223

+ const OP_UNKNOWN224

+ const OP_UNKNOWN225

+ const OP_UNKNOWN226

+ const OP_UNKNOWN227

+ const OP_UNKNOWN228

+ const OP_UNKNOWN229

+ const OP_UNKNOWN230

+ const OP_UNKNOWN231

+ const OP_UNKNOWN232

+ const OP_UNKNOWN233

+ const OP_UNKNOWN234

+ const OP_UNKNOWN235

+ const OP_UNKNOWN236

+ const OP_UNKNOWN237

+ const OP_UNKNOWN238

+ const OP_UNKNOWN239

+ const OP_UNKNOWN240

+ const OP_UNKNOWN241

+ const OP_UNKNOWN242

+ const OP_UNKNOWN243

+ const OP_UNKNOWN244

+ const OP_UNKNOWN245

+ const OP_UNKNOWN246

+ const OP_UNKNOWN247

+ const OP_UNKNOWN248

+ const OP_UNKNOWN252

+ const OP_VER

+ const OP_VERIF

+ const OP_VERIFY

+ const OP_VERNOTIF

+ const OP_WITHIN

+ const OP_XOR

+ const ProactiveEvictionDepth

+ const SigHashSerializePrefix

+ const SigHashSerializeWitness

+ var OpcodeByName = make(map[string]byte)

+ func AsSmallInt(op byte) int

+ func CalcMultiSigStats(script []byte) (int, int, error)

+ func CalcSignatureHash(script []byte, hashType SigHashType, tx *wire.MsgTx, idx int, ...) ([]byte, error)

+ func CanonicalDataSize(data []byte) int

+ func CheckHashTypeEncoding(hashType SigHashType) error

+ func CheckPubKeyEncoding(pubKey []byte) error

+ func CheckSignatureEncoding(sig []byte) error

+ func ContainsStakeOpCodes(pkScript []byte, isTreasuryEnabled bool) (bool, error)

+ func DisasmString(script []byte) (string, error)

+ func ExtractPkScriptAltSigType(pkScript []byte) (dcrec.SignatureType, error)

+ func ExtractScriptHash(script []byte) []byte

+ func GenerateProvablyPruneableOut(data []byte) ([]byte, error)

+ func GenerateSSGenBlockRef(blockHash chainhash.Hash, height uint32) ([]byte, error)

+ func GenerateSSGenVotes(votebits uint16) ([]byte, error)

+ func GenerateSStxAddrPush(addr dcrutil.Address, amount dcrutil.Amount, limits uint16) ([]byte, error)

+ func GetPreciseSigOpCount(scriptSig, scriptPubKey []byte, isTreasuryEnabled bool) int

+ func GetSigOpCount(script []byte, isTreasuryEnabled bool) int

+ func IsDERSigError(err error) bool

+ func IsMultisigScript(script []byte) bool

+ func IsMultisigSigScript(script []byte) bool

+ func IsPayToScriptHash(script []byte) bool

+ func IsPubKeyHashScript(script []byte) bool

+ func IsPushOnlyScript(script []byte) bool

+ func IsSmallInt(op byte) bool

+ func IsStakeChangeScript(scriptVersion uint16, script []byte) bool

+ func IsStrictCompressedPubKeyEncoding(pubKey []byte) bool

+ func IsStrictNullData(scriptVersion uint16, script []byte, requiredLen uint32) bool

+ func IsStrictSignatureEncoding(signature []byte) bool

+ func IsUnspendable(amount int64, pkScript []byte) bool

+ func MultiSigScript(pubkeys []*dcrutil.AddressSecpPubKey, nrequired int) ([]byte, error)

+ func MultisigRedeemScriptFromScriptSig(script []byte) []byte

+ func PayToAddrScript(addr dcrutil.Address) ([]byte, error)

+ func PayToSSGen(addr dcrutil.Address) ([]byte, error)

+ func PayToSSGenPKHDirect(pkh []byte) ([]byte, error)

+ func PayToSSGenSHDirect(sh []byte) ([]byte, error)

+ func PayToSSRtx(addr dcrutil.Address) ([]byte, error)

+ func PayToSSRtxPKHDirect(pkh []byte) ([]byte, error)

+ func PayToSSRtxSHDirect(sh []byte) ([]byte, error)

+ func PayToSStx(addr dcrutil.Address) ([]byte, error)

+ func PayToSStxChange(addr dcrutil.Address) ([]byte, error)

+ func PayToScriptHashScript(scriptHash []byte) ([]byte, error)

+ func PushedData(script []byte) ([][]byte, error)

+ func RawTxInSignature(tx *wire.MsgTx, idx int, subScript []byte, hashType SigHashType, key []byte, ...) ([]byte, error)

+ func SignTxOutput(chainParams dcrutil.AddressParams, tx *wire.MsgTx, idx int, pkScript []byte, ...) ([]byte, error)

+ func SignatureScript(tx *wire.MsgTx, idx int, subscript []byte, hashType SigHashType, ...) ([]byte, error)

+ func TSpendSignatureScript(msgTx *wire.MsgTx, privKey []byte) ([]byte, error)

+ func UseLogger(logger slog.Logger)

+ type AtomicSwapDataPushes struct

+ LockTime int64

+ RecipientHash160 [20]byte

+ RefundHash160 [20]byte

+ SecretHash [32]byte

+ SecretSize int64

+ func ExtractAtomicSwapDataPushes(version uint16, pkScript []byte) (*AtomicSwapDataPushes, error)

+ type Engine struct

+ func NewEngine(scriptPubKey []byte, tx *wire.MsgTx, txIdx int, flags ScriptFlags, ...) (*Engine, error)

+ func (vm *Engine) CheckErrorCondition(finalScript bool) error

+ func (vm *Engine) DisasmPC() (string, error)

+ func (vm *Engine) DisasmScript(idx int) (string, error)

+ func (vm *Engine) Execute() (err error)

+ func (vm *Engine) GetAltStack() [][]byte

+ func (vm *Engine) GetStack() [][]byte

+ func (vm *Engine) SetAltStack(data [][]byte)

+ func (vm *Engine) SetStack(data [][]byte)

+ func (vm *Engine) Step() (done bool, err error)

+ type ErrScriptNotCanonical string

+ func (e ErrScriptNotCanonical) Error() string

+ type Error struct

+ Description string

+ Err error

+ func (e Error) Error() string

+ func (e Error) Unwrap() error

+ type ErrorKind string

+ func (e ErrorKind) Error() string

+ type KeyClosure func(dcrutil.Address) ([]byte, dcrec.SignatureType, bool, error)

+ func (kc KeyClosure) GetKey(address dcrutil.Address) ([]byte, dcrec.SignatureType, bool, error)

+ type KeyDB interface

+ GetKey func(dcrutil.Address) ([]byte, dcrec.SignatureType, bool, error)

+ type ScriptBuilder struct

+ func NewScriptBuilder() *ScriptBuilder

+ func (b *ScriptBuilder) AddData(data []byte) *ScriptBuilder

+ func (b *ScriptBuilder) AddFullData(data []byte) *ScriptBuilder

+ func (b *ScriptBuilder) AddInt64(val int64) *ScriptBuilder

+ func (b *ScriptBuilder) AddOp(opcode byte) *ScriptBuilder

+ func (b *ScriptBuilder) AddOps(opcodes []byte) *ScriptBuilder

+ func (b *ScriptBuilder) Reset() *ScriptBuilder

+ func (b *ScriptBuilder) Script() ([]byte, error)

+ type ScriptClass byte

+ const MultiSigTy

+ const NonStandardTy

+ const NullDataTy

+ const PubKeyHashTy

+ const PubKeyTy

+ const PubkeyAltTy

+ const PubkeyHashAltTy

+ const ScriptHashTy

+ const StakeGenTy

+ const StakeRevocationTy

+ const StakeSubChangeTy

+ const StakeSubmissionTy

+ const TreasuryAddTy

+ const TreasuryGenTy

+ func ExtractPkScriptAddrs(version uint16, pkScript []byte, chainParams dcrutil.AddressParams, ...) (ScriptClass, []dcrutil.Address, int, error)

+ func GetScriptClass(version uint16, script []byte, isTreasuryEnabled bool) ScriptClass

+ func GetStakeOutSubclass(pkScript []byte, isTreasuryEnabled bool) (ScriptClass, error)

+ func (t ScriptClass) String() string

+ type ScriptClosure func(dcrutil.Address) ([]byte, error)

+ func (sc ScriptClosure) GetScript(address dcrutil.Address) ([]byte, error)

+ type ScriptDB interface

+ GetScript func(dcrutil.Address) ([]byte, error)

+ type ScriptFlags uint32

+ const ScriptDiscourageUpgradableNops

+ const ScriptVerifyCheckLockTimeVerify

+ const ScriptVerifyCheckSequenceVerify

+ const ScriptVerifyCleanStack

+ const ScriptVerifySHA256

+ const ScriptVerifySigPushOnly

+ const ScriptVerifyTreasury

+ type ScriptNum int64

+ func MakeScriptNum(v []byte, scriptNumLen int) (ScriptNum, error)

+ func (n ScriptNum) Bytes() []byte

+ func (n ScriptNum) Int32() int32

+ type ScriptTokenizer struct

+ func MakeScriptTokenizer(scriptVersion uint16, script []byte) ScriptTokenizer

+ func (t *ScriptTokenizer) ByteIndex() int32

+ func (t *ScriptTokenizer) Data() []byte

+ func (t *ScriptTokenizer) Done() bool

+ func (t *ScriptTokenizer) Err() error

+ func (t *ScriptTokenizer) Next() bool

+ func (t *ScriptTokenizer) Opcode() byte

+ func (t *ScriptTokenizer) Script() []byte

+ type SigCache struct

+ func NewSigCache(maxEntries uint) (*SigCache, error)

+ func (s *SigCache) Add(sigHash chainhash.Hash, sig *ecdsa.Signature, pubKey *secp256k1.PublicKey, ...)

+ func (s *SigCache) EvictEntries(block *wire.MsgBlock)

+ func (s *SigCache) Exists(sigHash chainhash.Hash, sig *ecdsa.Signature, pubKey *secp256k1.PublicKey) bool

+ type SigHashSerType uint16

+ type SigHashType byte

+ const SigHashAll

+ const SigHashAnyOneCanPay

+ const SigHashNone

+ const SigHashSingle

Other modules containing this package

github.com/decred/dcrd/txscript

github.com/decred/dcrd/txscript/v2

github.com/decred/dcrd/txscript/v4

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