CCoinsViewCache Class Reference

CCoinsView that adds a memory cache for transactions to another CCoinsView. More...

#include <coins.h>

Inheritance diagram for CCoinsViewCache:

Collaboration diagram for CCoinsViewCache:

Public Member Functions
	CCoinsViewCache (CCoinsView &baseIn, bool fDummy=false)
bool	GetCoins (const uint256 &txid, CCoins &coins)
bool	SetCoins (const uint256 &txid, const CCoins &coins)
bool	HaveCoins (const uint256 &txid)
uint256	GetBestBlock ()
bool	SetBestBlock (const uint256 &hashBlock)
bool	BatchWrite (const std::map< uint256, CCoins > &mapCoins, const uint256 &hashBlock)
CCoins &	GetCoins (const uint256 &txid)
bool	Flush ()
unsigned int	GetCacheSize ()
int64_t	GetValueIn (const CTransaction &tx)
	Amount of anoncoins coming in to a transaction Note that lightweight clients may not know anything besides the hash of previous transactions, so may not be able to calculate this. More...
bool	HaveInputs (const CTransaction &tx)
double	GetPriority (const CTransaction &tx, int nHeight)
const CTxOut &	GetOutputFor (const CTxIn &input)
Public Member Functions inherited from CCoinsViewBacked
	CCoinsViewBacked (CCoinsView &viewIn)
void	SetBackend (CCoinsView &viewIn)
bool	GetStats (CCoinsStats &stats)
Public Member Functions inherited from CCoinsView
virtual	~CCoinsView ()

Protected Attributes
uint256	hashBlock
std::map< uint256, CCoins >	cacheCoins
Protected Attributes inherited from CCoinsViewBacked
CCoinsView *	base

Private Member Functions
std::map< uint256, CCoins >::iterator	FetchCoins (const uint256 &txid)

Detailed Description

CCoinsView that adds a memory cache for transactions to another CCoinsView.

Definition at line 309 of file coins.h.

Constructor & Destructor Documentation

CCoinsViewCache::CCoinsViewCache	(	CCoinsView &	baseIn,
		bool	fDummy = false
	)

Definition at line 73 of file coins.cpp.

Member Function Documentation

bool CCoinsViewCache::BatchWrite ( const std::map< uint256, CCoins > &  mapCoins, const uint256 &  hashBlock  )

virtual

Reimplemented from CCoinsViewBacked.

Definition at line 125 of file coins.cpp.

std::map< uint256, CCoins >::iterator CCoinsViewCache::FetchCoins ( const uint256 &  txid )

private

Definition at line 87 of file coins.cpp.

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bool CCoinsViewCache::Flush

(

)

Definition at line 132 of file coins.cpp.

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uint256 CCoinsViewCache::GetBestBlock ( )

virtual

Reimplemented from CCoinsViewBacked.

Definition at line 114 of file coins.cpp.

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unsigned int CCoinsViewCache::GetCacheSize

(

)

Definition at line 139 of file coins.cpp.

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bool CCoinsViewCache::GetCoins ( const uint256 &  txid, CCoins &  coins  )

virtual

Reimplemented from CCoinsViewBacked.

Definition at line 75 of file coins.cpp.

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CCoins & CCoinsViewCache::GetCoins

(

const uint256 &

txid

)

Definition at line 99 of file coins.cpp.

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const CTxOut & CCoinsViewCache::GetOutputFor

(

const CTxIn &

input

)

Definition at line 143 of file coins.cpp.

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double CCoinsViewCache::GetPriority	(	const CTransaction &	tx,
		int	nHeight
	)

Definition at line 183 of file coins.cpp.

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int64_t CCoinsViewCache::GetValueIn

(

const CTransaction &

tx

)

Amount of anoncoins coming in to a 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]

tx

transaction for which we are checking input total

Returns

Sum of value of all inputs (scriptSigs)

Definition at line 150 of file coins.cpp.

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bool CCoinsViewCache::HaveCoins ( const uint256 &  txid )

virtual

Reimplemented from CCoinsViewBacked.

Definition at line 110 of file coins.cpp.

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bool CCoinsViewCache::HaveInputs

(

const CTransaction &

tx

)

Definition at line 162 of file coins.cpp.

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bool CCoinsViewCache::SetBestBlock ( const uint256 &  hashBlock )

virtual

Reimplemented from CCoinsViewBacked.

Definition at line 120 of file coins.cpp.

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bool CCoinsViewCache::SetCoins ( const uint256 &  txid, const CCoins &  coins  )

virtual

Reimplemented from CCoinsViewBacked.

Definition at line 105 of file coins.cpp.

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Member Data Documentation

std::map<uint256,CCoins> CCoinsViewCache::cacheCoins

protected

Definition at line 313 of file coins.h.

uint256 CCoinsViewCache::hashBlock

protected

Definition at line 312 of file coins.h.

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

• src/coins.h
• src/coins.cpp