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

#include <script.h>

Inheritance diagram for CScript:

Collaboration diagram for CScript:

Public Member Functions
	CScript ()

	CScript (const_iterator pbegin, const_iterator pend)

	CScript (std::vector< unsigned char >::const_iterator pbegin, std::vector< unsigned char >::const_iterator pend)

	CScript (const unsigned char pbegin, const unsigned char pend)

template<typename Stream , typename Operation >
void	SerializationOp (Stream &s, Operation ser_action)

CScript &	operator+= (const CScript &b)

	CScript (int64_t b)

	CScript (opcodetype b)

	CScript (const CScriptNum &b)

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

CScript &	operator<< (int64_t b)

CScript &	operator<< (opcodetype opcode)

CScript &	operator<< (const CScriptNum &b)

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

CScript &	operator<< (const CScript &b)

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

bool	GetOp (iterator &pc, opcodetype &opcodeRet)

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

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

bool	GetOp2 (const_iterator &pc, opcodetype &opcodeRet, std::vector< unsigned char > *pvchRet) const

int	FindAndDelete (const CScript &b)

int	Find (opcodetype op) 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	IsPayToPublicKeyHash () const

bool	IsPayToScriptHash () const

bool	IsPayToPublicKey () const
	Used for obsolete pay-to-pubkey addresses indexing. More...

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

bool	IsPushOnly () const

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<typename InputIterator >
void	assign (InputIterator first, InputIterator last)

	prevector ()

	prevector (size_type n)

	prevector (size_type n, const T &val=T())

template<typename InputIterator >
	prevector (InputIterator first, InputIterator last)

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

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

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

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

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<typename 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)

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)

	~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 Public Member Functions inherited from prevector< N, T, Size, Diff >
template<typename V >
static void	assign_to (const_iterator b, const_iterator e, V &v)

Public Attributes
	ADD_SERIALIZE_METHODS

Protected Member Functions
CScript &	push_int64 (int64_t n)

Friends
CScript	operator+ (const CScript &a, const CScript &b)

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 389 of file script.h.

Constructor & Destructor Documentation

◆ CScript() [1/8]

CScript::CScript ( )

inline

Definition at line 409 of file script.h.

◆ CScript() [2/8]

CScript::CScript	(	const_iterator	pbegin,
		const_iterator	pend
	)

inline

Definition at line 410 of file script.h.

◆ CScript() [3/8]

CScript::CScript	(	std::vector< unsigned char >::const_iterator	pbegin,
		std::vector< unsigned char >::const_iterator	pend
	)

inline

Definition at line 411 of file script.h.

◆ CScript() [4/8]

CScript::CScript	(	const unsigned char *	pbegin,
		const unsigned char *	pend
	)

inline

Definition at line 412 of file script.h.

◆ CScript() [5/8]

CScript::CScript ( int64_t b )

inline

Definition at line 435 of file script.h.

References operator<<().

◆ CScript() [6/8]

CScript::CScript ( opcodetype b )

inlineexplicit

Definition at line 437 of file script.h.

References operator<<().

◆ CScript() [7/8]

CScript::CScript ( const CScriptNum & b )

inlineexplicit

Definition at line 438 of file script.h.

References operator<<().

◆ CScript() [8/8]

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

inlineexplicit

Definition at line 439 of file script.h.

References operator<<().

Member Function Documentation

◆ clear()

void CScript::clear ( )

inline

Definition at line 664 of file script.h.

References prevector< N, T, Size, Diff >::clear(), and prevector< N, T, Size, Diff >::shrink_to_fit().

Referenced by CTxOut::SetNull(), CAddressUnspentValue::SetNull(), and Solver().

◆ DecodeOP_N()

static int CScript::DecodeOP_N ( opcodetype opcode )

inlinestatic

Encode/decode small integers:

Definition at line 576 of file script.h.

References OP_0, OP_1, and OP_16.

Referenced by GetSigOpCount(), and Solver().

◆ EncodeOP_N()

static opcodetype CScript::EncodeOP_N ( int n )

inlinestatic

Definition at line 583 of file script.h.

References OP_0, and OP_1.

Referenced by GetScriptForMultisig(), and PushAll().

◆ Find()

int CScript::Find ( opcodetype op ) const

inline

Definition at line 618 of file script.h.

References prevector< N, T, Size, Diff >::begin(), prevector< N, T, Size, Diff >::end(), and GetOp().

◆ FindAndDelete()

int CScript::FindAndDelete ( const CScript & b )

inline

Definition at line 591 of file script.h.

References prevector< N, T, Size, Diff >::begin(), prevector< N, T, Size, Diff >::empty(), prevector< N, T, Size, Diff >::end(), GetOp(), prevector< N, T, Size, Diff >::insert(), and prevector< N, T, Size, Diff >::size().

Referenced by EvalScript().

◆ GetOp() [1/4]

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

inline

Definition at line 496 of file script.h.

References prevector< N, T, Size, Diff >::begin(), and GetOp2().

Referenced by CBloomFilter::CheckScript(), EvalScript(), ExtractPubKey(), Find(), FindAndDelete(), GetSigOpCount(), IsPushOnly(), ScriptToAsmStr(), and Solver().

◆ GetOp() [2/4]

bool CScript::GetOp	(	iterator &	pc,
		opcodetype &	opcodeRet
	)

inline

Definition at line 505 of file script.h.

References prevector< N, T, Size, Diff >::begin(), and GetOp2().

◆ GetOp() [3/4]

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

inline

Definition at line 513 of file script.h.

References GetOp2().

◆ GetOp() [4/4]

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

inline

Definition at line 518 of file script.h.

References GetOp2().

◆ GetOp2()

bool CScript::GetOp2	(	const_iterator &	pc,
		opcodetype &	opcodeRet,
		std::vector< unsigned char > *	pvchRet
	)		const

inline

Definition at line 523 of file script.h.

References prevector< N, T, Size, Diff >::assign_to(), prevector< N, T, Size, Diff >::end(), OP_INVALIDOPCODE, OP_PUSHDATA1, OP_PUSHDATA2, OP_PUSHDATA4, ReadLE16(), and ReadLE32().

Referenced by FormatScript(), and GetOp().

◆ 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 153 of file script.cpp.

References prevector< N, T, Size, Diff >::begin(), DecodeOP_N(), prevector< N, T, Size, Diff >::end(), GetOp(), MAX_PUBKEYS_PER_MULTISIG, OP_1, OP_16, OP_CHECKMULTISIG, OP_CHECKMULTISIGVERIFY, OP_CHECKSIG, OP_CHECKSIGVERIFY, and OP_INVALIDOPCODE.

Referenced by GetP2SHSigOpCount(), and GetSigOpCount().

◆ 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 177 of file script.cpp.

References prevector< N, T, Size, Diff >::begin(), prevector< N, T, Size, Diff >::end(), GetOp(), GetSigOpCount(), IsPayToScriptHash(), and OP_16.

◆ IsPayToPublicKey()

bool CScript::IsPayToPublicKey ( ) const

Used for obsolete pay-to-pubkey addresses indexing.

Definition at line 221 of file script.cpp.

References OP_CHECKSIG, and prevector< N, T, Size, Diff >::size().

Referenced by CTxMemPool::addAddressIndex(), CTxMemPool::addSpentIndex(), CChainState::ConnectBlock(), and CChainState::DisconnectBlock().

◆ IsPayToPublicKeyHash()

bool CScript::IsPayToPublicKeyHash ( ) const

Definition at line 201 of file script.cpp.

References OP_CHECKSIG, OP_DUP, OP_EQUALVERIFY, OP_HASH160, and prevector< N, T, Size, Diff >::size().

Referenced by CTxMemPool::addAddressIndex(), CTxMemPool::addSpentIndex(), CheckProRegTx(), CheckProUpRegTx(), CheckProUpServTx(), CChainState::ConnectBlock(), and CChainState::DisconnectBlock().

◆ IsPayToScriptHash()

bool CScript::IsPayToScriptHash ( ) const

Definition at line 212 of file script.cpp.

References OP_EQUAL, OP_HASH160, and prevector< N, T, Size, Diff >::size().

Referenced by CTxMemPool::addAddressIndex(), CTxMemPool::addSpentIndex(), CheckProRegTx(), CheckProUpRegTx(), CheckProUpServTx(), CChainState::ConnectBlock(), CChainState::DisconnectBlock(), GetSigOpCount(), listunspent(), ProcessImport(), Solver(), and VerifyScript().

◆ IsPushOnly() [1/2]

bool CScript::IsPushOnly ( const_iterator pc ) const

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

Definition at line 236 of file script.cpp.

References prevector< N, T, Size, Diff >::end(), GetOp(), and OP_16.

Referenced by IsStandardTx(), Solver(), and VerifyScript().

◆ IsPushOnly() [2/2]

bool CScript::IsPushOnly ( ) const

Definition at line 253 of file script.cpp.

References prevector< N, T, Size, Diff >::begin().

◆ 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 659 of file script.h.

References prevector< N, T, Size, Diff >::begin(), MAX_SCRIPT_SIZE, OP_RETURN, and prevector< N, T, Size, Diff >::size().

Referenced by CWallet::GetAccountName(), CWalletTx::GetAmounts(), GetDustThreshold(), and ScriptToAsmStr().

◆ operator+=()

CScript& CScript::operator+= ( const CScript & b )

inline

Definition at line 421 of file script.h.

References prevector< N, T, Size, Diff >::begin(), prevector< N, T, Size, Diff >::end(), prevector< N, T, Size, Diff >::insert(), prevector< N, T, Size, Diff >::reserve(), and prevector< N, T, Size, Diff >::size().

◆ operator<<() [1/5]

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

inline

Definition at line 442 of file script.h.

References push_int64().

Referenced by CScript().

◆ operator<<() [2/5]

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

inline

Definition at line 444 of file script.h.

References prevector< N, T, Size, Diff >::end(), and prevector< N, T, Size, Diff >::insert().

◆ operator<<() [3/5]

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

inline

Definition at line 452 of file script.h.

References CScriptNum::getvch().

◆ operator<<() [4/5]

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

inline

Definition at line 458 of file script.h.

References prevector< N, T, Size, Diff >::end(), prevector< N, T, Size, Diff >::insert(), OP_PUSHDATA1, OP_PUSHDATA2, OP_PUSHDATA4, WriteLE16(), and WriteLE32().

◆ operator<<() [5/5]

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

inline

Definition at line 487 of file script.h.

◆ push_int64()

CScript& CScript::push_int64 ( int64_t n )

inlineprotected

Definition at line 392 of file script.h.

References OP_0, OP_1, prevector< N, T, Size, Diff >::push_back(), and CScriptNum::serialize().

Referenced by operator<<().

◆ SerializationOp()

template<typename Stream , typename Operation >

void CScript::SerializationOp	(	Stream &	s,
		Operation	ser_action
	)

inline

Definition at line 417 of file script.h.

References READWRITE.

Friends And Related Function Documentation

◆ operator+

CScript operator+	(	const CScript &	a,
		const CScript &	b
	)

friend

Definition at line 428 of file script.h.

Member Data Documentation

◆ ADD_SERIALIZE_METHODS

CScript::ADD_SERIALIZE_METHODS

Definition at line 414 of file script.h.

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

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

Dash Core Source Documentation (0.16.0.1)

Public Member Functions

Static Public Member Functions

Public Attributes

Protected Member Functions

Friends

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ CScript() [1/8]

◆ CScript() [2/8]

◆ CScript() [3/8]

◆ CScript() [4/8]

◆ CScript() [5/8]

◆ CScript() [6/8]

◆ CScript() [7/8]

◆ CScript() [8/8]

Member Function Documentation

◆ clear()

◆ DecodeOP_N()

◆ EncodeOP_N()

◆ Find()

◆ FindAndDelete()

◆ GetOp() [1/4]

◆ GetOp() [2/4]

◆ GetOp() [3/4]

◆ GetOp() [4/4]

◆ GetOp2()

◆ GetSigOpCount() [1/2]

◆ GetSigOpCount() [2/2]

◆ IsPayToPublicKey()

◆ IsPayToPublicKeyHash()

◆ IsPayToScriptHash()

◆ IsPushOnly() [1/2]

◆ IsPushOnly() [2/2]

◆ IsUnspendable()

◆ operator+=()

◆ operator<<() [1/5]

◆ operator<<() [2/5]

◆ operator<<() [3/5]

◆ operator<<() [4/5]

◆ operator<<() [5/5]

◆ push_int64()

◆ SerializationOp()

Friends And Related Function Documentation

◆ operator+

Member Data Documentation

◆ ADD_SERIALIZE_METHODS