interpreter.h File Reference

#include <script/script_error.h>
#include <primitives/transaction.h>
#include <vector>
#include <stdint.h>

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Classes
struct	PrecomputedTransactionData
class	BaseSignatureChecker
class	GenericTransactionSignatureChecker< T >

Typedefs
using	TransactionSignatureChecker = GenericTransactionSignatureChecker< CTransaction >
using	MutableTransactionSignatureChecker = GenericTransactionSignatureChecker< CMutableTransaction >

Enumerations
enum	{ SIGHASH_ALL = 1, SIGHASH_NONE = 2, SIGHASH_SINGLE = 3, SIGHASH_ANYONECANPAY = 0x80 }
	Signature hash types/flags. More...
enum	{   SCRIPT_VERIFY_NONE = 0, SCRIPT_VERIFY_P2SH = (1U << 0), SCRIPT_VERIFY_STRICTENC = (1U << 1), SCRIPT_VERIFY_DERSIG = (1U << 2),   SCRIPT_VERIFY_LOW_S = (1U << 3), SCRIPT_VERIFY_NULLDUMMY = (1U << 4), SCRIPT_VERIFY_SIGPUSHONLY = (1U << 5), SCRIPT_VERIFY_MINIMALDATA = (1U << 6),   SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS = (1U << 7), SCRIPT_VERIFY_CLEANSTACK = (1U << 8), SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY = (1U << 9), SCRIPT_VERIFY_CHECKSEQUENCEVERIFY = (1U << 10),   SCRIPT_VERIFY_WITNESS = (1U << 11), SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_WITNESS_PROGRAM = (1U << 12), SCRIPT_VERIFY_MINIMALIF = (1U << 13), SCRIPT_VERIFY_NULLFAIL = (1U << 14),   SCRIPT_VERIFY_WITNESS_PUBKEYTYPE = (1U << 15), SCRIPT_VERIFY_CONST_SCRIPTCODE = (1U << 16) }
	Script verification flags. More...
enum	SigVersion { SigVersion::BASE = 0, SigVersion::WITNESS_V0 = 1 }

Functions
bool	CheckSignatureEncoding (const std::vector< unsigned char > &vchSig, unsigned int flags, ScriptError *serror)
template<class T >
uint256	SignatureHash (const CScript &scriptCode, const T &txTo, unsigned int nIn, int nHashType, const CAmount &amount, SigVersion sigversion, const PrecomputedTransactionData *cache=nullptr)
bool	EvalScript (std::vector< std::vector< unsigned char > > &stack, const CScript &script, unsigned int flags, const BaseSignatureChecker &checker, SigVersion sigversion, ScriptError *error=nullptr)
bool	VerifyScript (const CScript &scriptSig, const CScript &scriptPubKey, const CScriptWitness *witness, unsigned int flags, const BaseSignatureChecker &checker, ScriptError *serror=nullptr)
size_t	CountWitnessSigOps (const CScript &scriptSig, const CScript &scriptPubKey, const CScriptWitness *witness, unsigned int flags)
int	FindAndDelete (CScript &script, const CScript &b)

Variables
static constexpr size_t	WITNESS_V0_SCRIPTHASH_SIZE = 32
	Signature hash sizes. More...
static constexpr size_t	WITNESS_V0_KEYHASH_SIZE = 20

Typedef Documentation

MutableTransactionSignatureChecker

using MutableTransactionSignatureChecker = GenericTransactionSignatureChecker<CMutableTransaction>

Definition at line 185 of file interpreter.h.

TransactionSignatureChecker

using TransactionSignatureChecker = GenericTransactionSignatureChecker<CTransaction>

Definition at line 184 of file interpreter.h.

Enumeration Type Documentation

anonymous enum

anonymous enum

Signature hash types/flags.

Enumerator
SIGHASH_ALL
SIGHASH_NONE
SIGHASH_SINGLE
SIGHASH_ANYONECANPAY

Definition at line 21 of file interpreter.h.

anonymous enum

anonymous enum

Script verification flags.

All flags are intended to be soft forks: the set of acceptable scripts under flags (A | B) is a subset of the acceptable scripts under flag (A).

Enumerator
SCRIPT_VERIFY_NONE
SCRIPT_VERIFY_P2SH
SCRIPT_VERIFY_STRICTENC
SCRIPT_VERIFY_DERSIG
SCRIPT_VERIFY_LOW_S
SCRIPT_VERIFY_NULLDUMMY
SCRIPT_VERIFY_SIGPUSHONLY
SCRIPT_VERIFY_MINIMALDATA
SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS
SCRIPT_VERIFY_CLEANSTACK
SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY
SCRIPT_VERIFY_CHECKSEQUENCEVERIFY
SCRIPT_VERIFY_WITNESS
SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_WITNESS_PROGRAM
SCRIPT_VERIFY_MINIMALIF
SCRIPT_VERIFY_NULLFAIL
SCRIPT_VERIFY_WITNESS_PUBKEYTYPE
SCRIPT_VERIFY_CONST_SCRIPTCODE

Definition at line 34 of file interpreter.h.

SigVersion

enum SigVersion

strong

Enumerator
BASE
WITNESS_V0

Definition at line 130 of file interpreter.h.

Function Documentation

CheckSignatureEncoding()

bool CheckSignatureEncoding	(	const std::vector< unsigned char > &	vchSig,
		unsigned int	flags,
		ScriptError *	serror
	)

Definition at line 200 of file interpreter.cpp.

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CountWitnessSigOps()

size_t CountWitnessSigOps	(	const CScript &	scriptSig,
		const CScript &	scriptPubKey,
		const CScriptWitness *	witness,
		unsigned int	flags
	)

Definition at line 1607 of file interpreter.cpp.

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EvalScript()

bool EvalScript	(	std::vector< std::vector< unsigned char > > &	stack,
		const CScript &	script,
		unsigned int	flags,
		const BaseSignatureChecker &	checker,
		SigVersion	sigversion,
		ScriptError *	error = nullptr
	)

Definition at line 281 of file interpreter.cpp.

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FindAndDelete()

int FindAndDelete	(	CScript &	script,
		const CScript &	b
	)

Definition at line 253 of file interpreter.cpp.

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SignatureHash()

template<class T >

uint256 SignatureHash	(	const CScript &	scriptCode,
		const T &	txTo,
		unsigned int	nIn,
		int	nHashType,
		const CAmount &	amount,
		SigVersion	sigversion,
		const PrecomputedTransactionData *	cache = nullptr
	)

Definition at line 1234 of file interpreter.cpp.

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VerifyScript()

bool VerifyScript	(	const CScript &	scriptSig,
		const CScript &	scriptPubKey,
		const CScriptWitness *	witness,
		unsigned int	flags,
		const BaseSignatureChecker &	checker,
		ScriptError *	serror = nullptr
	)

Definition at line 1470 of file interpreter.cpp.

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Variable Documentation

WITNESS_V0_KEYHASH_SIZE

constexpr size_t WITNESS_V0_KEYHASH_SIZE = 20

static

Definition at line 138 of file interpreter.h.

WITNESS_V0_SCRIPTHASH_SIZE

constexpr size_t WITNESS_V0_SCRIPTHASH_SIZE = 32

static

Signature hash sizes.

Definition at line 137 of file interpreter.h.