Serialized script, used inside transaction inputs and outputs. More...

#include <script.h>

Inheritance diagram for CScript:

Collaboration diagram for CScript:

Public Member Functions
	CScript ()=default

template<std::input_iterator InputIterator>
	CScript (InputIterator first, InputIterator last)

	SERIALIZE_METHODS (CScript, obj)

	CScript (int64_t b)

	CScript (opcodetype b)

	CScript (const CScriptNum &b)

	CScript (const std::vector< unsigned char > &b)=delete

CScript &	operator<< (const CScript &b)=delete
	Delete non-existent operator to defend against future introduction. More...

CScript &	operator<< (int64_t b) LIFETIMEBOUND

CScript &	operator<< (opcodetype opcode) LIFETIMEBOUND

CScript &	operator<< (const CScriptNum &b) LIFETIMEBOUND

CScript &	operator<< (std::span< const std::byte > b) LIFETIMEBOUND

CScript &	operator<< (std::span< const value_type > b) LIFETIMEBOUND

bool	GetOp (const_iterator &pc, opcodetype &opcodeRet, std::vector< unsigned char > &vchRet) const

bool	GetOp (const_iterator &pc, opcodetype &opcodeRet) const

unsigned int	GetSigOpCount (bool fAccurate) const
	Pre-version-0.6, Bitcoin always counted CHECKMULTISIGs as 20 sigops. More...

unsigned int	GetSigOpCount (const CScript &scriptSig) const
	Accurately count sigOps, including sigOps in pay-to-script-hash transactions: More...

bool	IsPayToAnchor () const

bool	IsPayToScriptHash () const

bool	IsPayToWitnessScriptHash () const

bool	IsWitnessProgram (int &version, std::vector< unsigned char > &program) const

bool	IsPushOnly (const_iterator pc) const
	Called by IsStandardTx and P2SH/BIP62 VerifyScript (which makes it consensus-critical). More...

bool	IsPushOnly () const

bool	HasValidOps () const
	Check if the script contains valid OP_CODES. More...

bool	IsUnspendable () const
	Returns whether the script is guaranteed to fail at execution, regardless of the initial stack. More...

void	clear ()

Public Member Functions inherited from prevector< N, T, Size, Diff >
void	assign (size_type n, const T &val)

template<std::input_iterator InputIterator>
void	assign (InputIterator first, InputIterator last)

	prevector ()=default

	prevector (size_type n)

	prevector (size_type n, const T &val)

template<std::input_iterator InputIterator>
	prevector (InputIterator first, InputIterator last)

	prevector (const prevector< N, T, Size, Diff > &other)

	prevector (prevector< N, T, Size, Diff > &&other) noexcept

prevector &	operator= (const prevector< N, T, Size, Diff > &other)

prevector &	operator= (prevector< N, T, Size, Diff > &&other) noexcept

size_type	size () const

bool	empty () const

iterator	begin ()

const_iterator	begin () const

iterator	end ()

const_iterator	end () const

reverse_iterator	rbegin ()

const_reverse_iterator	rbegin () const

reverse_iterator	rend ()

const_reverse_iterator	rend () const

size_t	capacity () const

T &	operator[] (size_type pos)

const T &	operator[] (size_type pos) const

void	resize (size_type new_size)

void	reserve (size_type new_capacity)

void	shrink_to_fit ()

void	clear ()

iterator	insert (iterator pos, const T &value)

void	insert (iterator pos, size_type count, const T &value)

template<std::input_iterator InputIterator>
void	insert (iterator pos, InputIterator first, InputIterator last)

void	resize_uninitialized (size_type new_size)

iterator	erase (iterator pos)

iterator	erase (iterator first, iterator last)

template<typename... Args>
void	emplace_back (Args &&... args)

void	push_back (const T &value)

void	pop_back ()

T &	front ()

const T &	front () const

T &	back ()

const T &	back () const

void	swap (prevector< N, T, Size, Diff > &other) noexcept

	~prevector ()

bool	operator== (const prevector< N, T, Size, Diff > &other) const

bool	operator!= (const prevector< N, T, Size, Diff > &other) const

bool	operator< (const prevector< N, T, Size, Diff > &other) const

size_t	allocated_memory () const

value_type *	data ()

const value_type *	data () const

Static Public Member Functions
static int	DecodeOP_N (opcodetype opcode)
	Encode/decode small integers: More...

static opcodetype	EncodeOP_N (int n)

static bool	IsPayToAnchor (int version, const std::vector< unsigned char > &program)
	Checks if output of IsWitnessProgram comes from a P2A output script. More...

Protected Member Functions
CScript &	push_int64 (int64_t n)

Private Member Functions
void	AppendDataSize (const uint32_t size)

void	AppendData (std::span< const value_type > data)

Additional Inherited Members
Public Types inherited from prevector< N, T, Size, Diff >
typedef Size	size_type

typedef Diff	difference_type

typedef T	value_type

typedef value_type &	reference

typedef const value_type &	const_reference

typedef value_type *	pointer

typedef const value_type *	const_pointer

Detailed Description

Serialized script, used inside transaction inputs and outputs.

Definition at line 414 of file script.h.

Constructor & Destructor Documentation

◆ CScript() [1/6]

CScript::CScript ( )

default

◆ CScript() [2/6]

template<std::input_iterator InputIterator>

CScript::CScript	(	InputIterator	first,
		InputIterator	last
	)

inline

Definition at line 463 of file script.h.

◆ CScript() [3/6]

CScript::CScript ( int64_t b )

inlineexplicit

Definition at line 467 of file script.h.

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◆ CScript() [4/6]

CScript::CScript ( opcodetype b )

inlineexplicit

Definition at line 468 of file script.h.

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◆ CScript() [5/6]

CScript::CScript ( const CScriptNum & b )

inlineexplicit

Definition at line 469 of file script.h.

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◆ CScript() [6/6]

CScript::CScript ( const std::vector< unsigned char > & b )

explicitdelete

Member Function Documentation

◆ AppendData()

void CScript::AppendData ( std::span< const value_type > data )

inlineprivate

Definition at line 437 of file script.h.

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◆ AppendDataSize()

void CScript::AppendDataSize ( const uint32_t size )

inlineprivate

Definition at line 417 of file script.h.

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◆ clear()

void CScript::clear ( )

inline

Definition at line 576 of file script.h.

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◆ DecodeOP_N()

static int CScript::DecodeOP_N ( opcodetype opcode )

inlinestatic

Encode/decode small integers:

Definition at line 517 of file script.h.

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◆ EncodeOP_N()

static opcodetype CScript::EncodeOP_N ( int n )

inlinestatic

Definition at line 524 of file script.h.

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◆ GetOp() [1/2]

bool CScript::GetOp	(	const_iterator &	pc,
		opcodetype &	opcodeRet
	)		const

inline

Definition at line 511 of file script.h.

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◆ GetOp() [2/2]

bool CScript::GetOp	(	const_iterator &	pc,
		opcodetype &	opcodeRet,
		std::vector< unsigned char > &	vchRet
	)		const

inline

Definition at line 506 of file script.h.

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◆ GetSigOpCount() [1/2]

unsigned int CScript::GetSigOpCount ( bool fAccurate ) const

Pre-version-0.6, Bitcoin always counted CHECKMULTISIGs as 20 sigops.

With pay-to-script-hash, that changed: CHECKMULTISIGs serialized in scriptSigs are counted more accurately, assuming they are of the form ... OP_N CHECKMULTISIG ...

Definition at line 159 of file script.cpp.

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◆ GetSigOpCount() [2/2]

unsigned int CScript::GetSigOpCount ( const CScript & scriptSig ) const

Accurately count sigOps, including sigOps in pay-to-script-hash transactions:

... and return its opcount:

Definition at line 183 of file script.cpp.

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◆ HasValidOps()

bool CScript::HasValidOps ( ) const

Check if the script contains valid OP_CODES.

Definition at line 293 of file script.cpp.

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◆ IsPayToAnchor() [1/2]

bool CScript::IsPayToAnchor ( ) const

Definition at line 207 of file script.cpp.

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◆ IsPayToAnchor() [2/2]

bool CScript::IsPayToAnchor	(	int	version,
		const std::vector< unsigned char > &	program
	)

static

Checks if output of IsWitnessProgram comes from a P2A output script.

Definition at line 216 of file script.cpp.

◆ IsPayToScriptHash()

bool CScript::IsPayToScriptHash ( ) const

Definition at line 224 of file script.cpp.

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◆ IsPayToWitnessScriptHash()

bool CScript::IsPayToWitnessScriptHash ( ) const

Definition at line 233 of file script.cpp.

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◆ IsPushOnly() [1/2]

bool CScript::IsPushOnly ( ) const

Definition at line 276 of file script.cpp.

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◆ IsPushOnly() [2/2]

bool CScript::IsPushOnly ( const_iterator pc ) const

Called by IsStandardTx and P2SH/BIP62 VerifyScript (which makes it consensus-critical).

Definition at line 259 of file script.cpp.

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◆ IsUnspendable()

bool CScript::IsUnspendable ( ) const

inline

Returns whether the script is guaranteed to fail at execution, regardless of the initial stack.

This allows outputs to be pruned instantly when entering the UTXO set.

Definition at line 571 of file script.h.

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◆ IsWitnessProgram()

bool CScript::IsWitnessProgram	(	int &	version,
		std::vector< unsigned char > &	program
	)		const

Definition at line 243 of file script.cpp.

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◆ operator<<() [1/6]

CScript & CScript::operator<< ( const CScript & b )

delete

Delete non-existent operator to defend against future introduction.

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◆ operator<<() [2/6]

CScript & CScript::operator<< ( const CScriptNum & b )

inline

Definition at line 487 of file script.h.

◆ operator<<() [3/6]

CScript & CScript::operator<< ( int64_t b )

inline

Definition at line 477 of file script.h.

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◆ operator<<() [4/6]

CScript & CScript::operator<< ( opcodetype opcode )

inline

Definition at line 479 of file script.h.

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◆ operator<<() [5/6]

CScript & CScript::operator<< ( std::span< const std::byte > b )

inline

Definition at line 493 of file script.h.

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◆ operator<<() [6/6]

CScript & CScript::operator<< ( std::span< const value_type > b )

inline

Definition at line 501 of file script.h.

◆ push_int64()

CScript & CScript::push_int64 ( int64_t n )

inlineprotected

Definition at line 443 of file script.h.

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◆ SERIALIZE_METHODS()

CScript::SERIALIZE_METHODS	(	CScript	,
		obj
	)

inline

Definition at line 465 of file script.h.

The documentation for this class was generated from the following files:

src/script/script.h
src/script/script.cpp

Public Member Functions

Static Public Member Functions

Protected Member Functions

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ CScript() [1/6]

◆ CScript() [2/6]

◆ CScript() [3/6]

◆ CScript() [4/6]

◆ CScript() [5/6]

◆ CScript() [6/6]

Member Function Documentation

◆ AppendData()

◆ AppendDataSize()

◆ clear()

◆ DecodeOP_N()

◆ EncodeOP_N()

◆ GetOp() [1/2]

◆ GetOp() [2/2]

◆ GetSigOpCount() [1/2]

◆ GetSigOpCount() [2/2]

◆ HasValidOps()

◆ IsPayToAnchor() [1/2]

◆ IsPayToAnchor() [2/2]

◆ IsPayToScriptHash()

◆ IsPayToWitnessScriptHash()

◆ IsPushOnly() [1/2]

◆ IsPushOnly() [2/2]

◆ IsUnspendable()

◆ IsWitnessProgram()

◆ operator<<() [1/6]

◆ operator<<() [2/6]

◆ operator<<() [3/6]

◆ operator<<() [4/6]

◆ operator<<() [5/6]

◆ operator<<() [6/6]

◆ push_int64()

◆ SERIALIZE_METHODS()