CoinsViewEmpty Class Reference

Noop coins view. More...

#include <coins.h>

Inheritance diagram for CoinsViewEmpty:

Collaboration diagram for CoinsViewEmpty:

Public Member Functions
	CoinsViewEmpty (const CoinsViewEmpty &)=delete
CoinsViewEmpty &	operator= (const CoinsViewEmpty &)=delete
std::optional< Coin >	GetCoin (const COutPoint &) const override
std::optional< Coin >	PeekCoin (const COutPoint &outpoint) const override
bool	HaveCoin (const COutPoint &outpoint) const override
uint256	GetBestBlock () const override
	Retrieve the block hash whose state this CCoinsView currently represents.
std::vector< uint256 >	GetHeadBlocks () const override
void	BatchWrite (CoinsViewCacheCursor &cursor, const uint256 &) override
size_t	EstimateSize () const override
	Estimate database size.
Public Member Functions inherited from CCoinsView
virtual	~CCoinsView ()=default
	As we use CCoinsViews polymorphically, have a virtual destructor.

Static Public Member Functions
static CoinsViewEmpty &	Get ()

Protected Member Functions
	CoinsViewEmpty ()=default

Detailed Description

Noop coins view.

Definition at line 391 of file coins.h.

Constructor & Destructor Documentation

CoinsViewEmpty() [1/2]

CoinsViewEmpty::CoinsViewEmpty ( )

protecteddefault

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CoinsViewEmpty() [2/2]

CoinsViewEmpty::CoinsViewEmpty ( const CoinsViewEmpty & )

delete

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Member Function Documentation

BatchWrite()

void CoinsViewEmpty::BatchWrite ( CoinsViewCacheCursor & cursor, const uint256 & block_hash )

inlineoverridevirtual

Do a bulk modification (multiple Coin changes + BestBlock change). The passed cursor is used to iterate through the coins.

Implements CCoinsView.

Definition at line 407 of file coins.h.

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EstimateSize()

size_t CoinsViewEmpty::EstimateSize ( ) const

inlineoverridevirtual

Estimate database size.

Implements CCoinsView.

Definition at line 411 of file coins.h.

Get()

CoinsViewEmpty & CoinsViewEmpty::Get ( )

static

Definition at line 29 of file coins.cpp.

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GetBestBlock()

uint256 CoinsViewEmpty::GetBestBlock ( ) const

inlineoverridevirtual

Retrieve the block hash whose state this CCoinsView currently represents.

Implements CCoinsView.

Definition at line 405 of file coins.h.

GetCoin()

std::optional< Coin > CoinsViewEmpty::GetCoin ( const COutPoint & outpoint ) const

inlineoverridevirtual

Retrieve the Coin (unspent transaction output) for a given outpoint. May populate the cache. Use PeekCoin() to perform a non-caching lookup.

Implements CCoinsView.

Definition at line 402 of file coins.h.

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GetHeadBlocks()

std::vector< uint256 > CoinsViewEmpty::GetHeadBlocks ( ) const

inlineoverridevirtual

Retrieve the range of blocks that may have been only partially written. If the database is in a consistent state, the result is the empty vector. Otherwise, a two-element vector is returned consisting of the new and the old block hash, in that order.

Implements CCoinsView.

Definition at line 406 of file coins.h.

HaveCoin()

bool CoinsViewEmpty::HaveCoin ( const COutPoint & outpoint ) const

inlineoverridevirtual

Just check whether a given outpoint is unspent. May populate the cache. Use PeekCoin() to perform a non-caching lookup.

Implements CCoinsView.

Definition at line 404 of file coins.h.

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operator=()

CoinsViewEmpty & CoinsViewEmpty::operator= ( const CoinsViewEmpty & )

delete

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PeekCoin()

std::optional< Coin > CoinsViewEmpty::PeekCoin ( const COutPoint & outpoint ) const

inlineoverridevirtual

Retrieve the Coin (unspent transaction output) for a given outpoint, without caching results. Does not populate the cache. Use GetCoin() to cache the result.

Implements CCoinsView.

Definition at line 403 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