CTransaction Class Reference

The basic transaction that is broadcasted on the network and contained in blocks. More...

#include <main.h>

Inheritance diagram for CTransaction:

Public Member Functions
	CTransaction ()
	IMPLEMENT_SERIALIZE (READWRITE(this->nVersion);nVersion=this->nVersion;READWRITE(vin);READWRITE(vout);READWRITE(nLockTime);) void SetNull()
bool	IsNull () const
uint256	GetHash () const
bool	IsFinal (int nBlockHeight=0, int64 nBlockTime=0) const
bool	IsNewerThan (const CTransaction &old) const
bool	IsCoinBase () const
bool	IsStandard (std::string &strReason) const
	Check for standard transaction types. More...
bool	IsStandard () const
bool	AreInputsStandard (CCoinsViewCache &mapInputs) const
	Check for standard transaction types. More...
unsigned int	GetLegacySigOpCount () const
	Count ECDSA signature operations the old-fashioned (pre-0.6) way. More...
unsigned int	GetP2SHSigOpCount (CCoinsViewCache &mapInputs) const
	Count ECDSA signature operations in pay-to-script-hash inputs. More...
int64	GetValueOut () const
	Amount of bitcoins spent by this transaction. More...
int64	GetValueIn (CCoinsViewCache &mapInputs) const
	Amount of bitcoins coming in to this transaction Note that lightweight clients may not know anything besides the hash of previous transactions, so may not be able to calculate this. More...
void	UpdateCoins (const CTransaction &tx, CValidationState &state, CCoinsViewCache &inputs, CTxUndo &txundo, int nHeight, const uint256 &txhash)
int64	GetMinFee (unsigned int nBlockSize=1, bool fAllowFree=true, enum GetMinFee_mode mode=GMF_BLOCK) const
std::string	ToString () const
void	print () const
bool	HaveInputs (CCoinsViewCache &view) const
bool	CheckInputs (CValidationState &state, CCoinsViewCache &view, bool fScriptChecks=true, unsigned int flags=SCRIPT_VERIFY_P2SH|SCRIPT_VERIFY_STRICTENC, std::vector< CScriptCheck > *pvChecks=NULL) const
void	UpdateCoins (CValidationState &state, CCoinsViewCache &view, CTxUndo &txundo, int nHeight, const uint256 &txhash) const
bool	CheckTransaction (CValidationState &state) const
bool	AcceptToMemoryPool (CValidationState &state, bool fCheckInputs=true, bool fLimitFree=true, bool *pfMissingInputs=NULL)

Static Public Member Functions
static bool	AllowFree (double dPriority)

Public Attributes
int	nVersion
std::vector< CTxIn >	vin
std::vector< CTxOut >	vout
unsigned int	nLockTime

Static Public Attributes
static int64	nMinTxFee = 2000000
	Fees smaller than this (in satoshi) are considered zero fee (for transaction creation) More...
static int64	nMinRelayTxFee = 2000000
	Fees smaller than this (in satoshi) are considered zero fee (for relaying) More...
static const int	CURRENT_VERSION =1

Static Protected Member Functions
static const CTxOut &	GetOutputFor (const CTxIn &input, CCoinsViewCache &mapInputs)

Friends
bool	operator== (const CTransaction &a, const CTransaction &b)
bool	operator!= (const CTransaction &a, const CTransaction &b)

Detailed Description

The basic transaction that is broadcasted on the network and contained in blocks.

A transaction can contain multiple inputs and outputs.

Definition at line 477 of file main.h.

Constructor & Destructor Documentation

CTransaction::CTransaction ( )

inline

Definition at line 488 of file main.h.

Member Function Documentation

bool CTransaction::AcceptToMemoryPool	(	CValidationState &	state,
		bool	fCheckInputs = true,
		bool	fLimitFree = true,
		bool *	pfMissingInputs = NULL
	)

Definition at line 822 of file main.cpp.

static bool CTransaction::AllowFree ( double  dPriority )

inlinestatic

Definition at line 623 of file main.h.

bool CTransaction::AreInputsStandard

(

CCoinsViewCache &

mapInputs

)

const

Check for standard transaction types.

Parameters

[in]

mapInputs

Map of previous transactions that have outputs we're spending

Returns

True if all inputs (scriptSigs) use only standard transaction forms

Definition at line 434 of file main.cpp.

bool CTransaction::CheckInputs	(	CValidationState &	state,
		CCoinsViewCache &	view,
		bool	fScriptChecks = true,
		unsigned int	flags = SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_STRICTENC,
		std::vector< CScriptCheck > *	pvChecks = NULL
	)		const

Definition at line 1475 of file main.cpp.

bool CTransaction::CheckTransaction

(

CValidationState &

state

)

const

Definition at line 556 of file main.cpp.

uint256 CTransaction::GetHash ( ) const

inline

Definition at line 515 of file main.h.

unsigned int CTransaction::GetLegacySigOpCount

(

)

const

Count ECDSA signature operations the old-fashioned (pre-0.6) way.

Returns

number of sigops this transaction's outputs will produce when spent

Definition at line 488 of file main.cpp.

int64 CTransaction::GetMinFee	(	unsigned int	nBlockSize = 1,
		bool	fAllowFree = true,
		enum GetMinFee_mode	mode = GMF_BLOCK
	)		const

Definition at line 604 of file main.cpp.

const CTxOut & CTransaction::GetOutputFor ( const CTxIn &  input, CCoinsViewCache &  mapInputs  )

staticprotected

Definition at line 1392 of file main.cpp.

unsigned int CTransaction::GetP2SHSigOpCount

(

CCoinsViewCache &

mapInputs

)

const

Count ECDSA signature operations in pay-to-script-hash inputs.

Parameters

[in]

mapInputs

Map of previous transactions that have outputs we're spending

Returns

maximum number of sigops required to validate this transaction's inputs

Definition at line 1411 of file main.cpp.

int64 CTransaction::GetValueIn

(

CCoinsViewCache &

mapInputs

)

const

Amount of bitcoins coming in to this transaction Note that lightweight clients may not know anything besides the hash of previous transactions, so may not be able to calculate this.

Parameters

[in]

mapInputs

Map of previous transactions that have outputs we're spending

Returns

Sum of value of all inputs (scriptSigs)

Definition at line 1399 of file main.cpp.

int64 CTransaction::GetValueOut ( ) const

inline

Amount of bitcoins spent by this transaction.

Returns

sum of all outputs (note: does not include fees)

Definition at line 602 of file main.h.

bool CTransaction::HaveInputs

(

CCoinsViewCache &

view

)

const

Definition at line 1442 of file main.cpp.

CTransaction::IMPLEMENT_SERIALIZE ( READWRITE(this->nVersion);  nVersion = this->nVersion; READWRITE(vin); READWRITE(vout); READWRITE(nLockTime); )

inline

Definition at line 494 of file main.h.

bool CTransaction::IsCoinBase ( ) const

inline

Definition at line 566 of file main.h.

bool CTransaction::IsFinal ( int  nBlockHeight = 0, int64  nBlockTime = 0  ) const

inline

Definition at line 520 of file main.h.

bool CTransaction::IsNewerThan ( const CTransaction &  old ) const

inline

Definition at line 537 of file main.h.

bool CTransaction::IsNull ( ) const

inline

Definition at line 510 of file main.h.

bool CTransaction::IsStandard

(

std::string &

strReason

)

const

Check for standard transaction types.

Returns

True if all outputs (scriptPubKeys) use only standard transaction forms

bool CTransaction::IsStandard ( ) const

inline

Definition at line 575 of file main.h.

void CTransaction::print ( ) const

inline

Definition at line 665 of file main.h.

std::string CTransaction::ToString ( ) const

inline

Definition at line 649 of file main.h.

void CTransaction::UpdateCoins	(	const CTransaction &	tx,
		CValidationState &	state,
		CCoinsViewCache &	inputs,
		CTxUndo &	txundo,
		int	nHeight,
		const uint256 &	txhash
	)

void CTransaction::UpdateCoins	(	CValidationState &	state,
		CCoinsViewCache &	view,
		CTxUndo &	txundo,
		int	nHeight,
		const uint256 &	txhash
	)		const

Definition at line 1426 of file main.cpp.

Friends And Related Function Documentation

bool operator!= ( const CTransaction &  a, const CTransaction &  b  )

friend

Definition at line 643 of file main.h.

bool operator== ( const CTransaction &  a, const CTransaction &  b  )

friend

Definition at line 635 of file main.h.

Member Data Documentation

const int CTransaction::CURRENT_VERSION =1

static

Definition at line 482 of file main.h.

unsigned int CTransaction::nLockTime

Definition at line 486 of file main.h.

int64 CTransaction::nMinRelayTxFee = 2000000

static

Fees smaller than this (in satoshi) are considered zero fee (for relaying)

Definition at line 481 of file main.h.

int64 CTransaction::nMinTxFee = 2000000

static

Fees smaller than this (in satoshi) are considered zero fee (for transaction creation)

Definition at line 480 of file main.h.

int CTransaction::nVersion

Definition at line 483 of file main.h.

std::vector<CTxIn> CTransaction::vin

Definition at line 484 of file main.h.

std::vector<CTxOut> CTransaction::vout

Definition at line 485 of file main.h.

---

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

• src/main.h
• src/main.cpp