dev::eth::EthashAux Class Reference

#include <EthashAux.h>

Collaboration diagram for dev::eth::EthashAux:

Classes
struct	FullAllocation
struct	LightAllocation

Public Types
using	LightType = std::shared_ptr< LightAllocation >
using	FullType = std::shared_ptr< FullAllocation >

Public Member Functions
	~EthashAux ()

Static Public Member Functions
static EthashAux *	get ()
static h256	seedHash (unsigned _number)
static uint64_t	number (h256 const &_seedHash)
static uint64_t	cacheSize (BlockHeader const &_header)
static uint64_t	dataSize (uint64_t _blockNumber)
static LightType	light (h256 const &_seedHash)
static unsigned	computeFull (h256 const &_seedHash, bool _createIfMissing=true)
	Kicks off generation of DAG for _seedHash and. More...
static std::pair< uint64_t, unsigned >	fullGeneratingProgress ()
	Information on the generation progress. More...
static FullType	full (h256 const &_seedHash, bool _createIfMissing=false, std::function< int(unsigned)> const &_f=std::function< int(unsigned)>())
	Kicks off generation of DAG for _blocknumber and blocks until ready;. More...
static EthashProofOfWork::Result	eval (h256 const &_seedHash, h256 const &_headerHash, Nonce const &_nonce)

Static Public Attributes
static const uint64_t	NotGenerating = (uint64_t)-1

Private Member Functions
	EthashAux ()
void	killCache (h256 const &_s)
	Kicks off generation of DAG for _blocknumber and blocks until ready;. More...

Private Attributes
SharedMutex	x_lights
std::unordered_map< h256, std::shared_ptr< LightAllocation > >	m_lights
Mutex	x_fulls
std::condition_variable	m_fullsChanged
std::unordered_map< h256, std::weak_ptr< FullAllocation > >	m_fulls
FullType	m_lastUsedFull
std::unique_ptr< std::thread >	m_fullGenerator
uint64_t	m_generatingFullNumber = NotGenerating
unsigned	m_fullProgress
Mutex	x_epochs
std::unordered_map< h256, unsigned >	m_epochs
h256s	m_seedHashes

Static Private Attributes
static EthashAux *	s_this = nullptr

Detailed Description

Definition at line 40 of file EthashAux.h.

Member Typedef Documentation

using dev::eth::EthashAux::FullType = std::shared_ptr<FullAllocation>

Definition at line 68 of file EthashAux.h.

using dev::eth::EthashAux::LightType = std::shared_ptr<LightAllocation>

Definition at line 67 of file EthashAux.h.

Constructor & Destructor Documentation

EthashAux::~EthashAux

(

)

Definition at line 47 of file EthashAux.cpp.

dev::eth::EthashAux::EthashAux ( )

inlineprivate

Definition at line 88 of file EthashAux.h.

Member Function Documentation

uint64_t EthashAux::cacheSize ( BlockHeader const &  _header )

static

Definition at line 58 of file EthashAux.cpp.

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unsigned EthashAux::computeFull ( h256 const &  _seedHash, bool  _createIfMissing = true  )

static

Kicks off generation of DAG for _seedHash and.

Returns

false or

true if ready.

Definition at line 202 of file EthashAux.cpp.

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uint64_t EthashAux::dataSize ( uint64_t  _blockNumber )

static

Definition at line 63 of file EthashAux.cpp.

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EthashProofOfWork::Result EthashAux::eval ( h256 const &  _seedHash, h256 const &  _headerHash, Nonce const &  _nonce  )

static

Definition at line 250 of file EthashAux.cpp.

EthashAux::FullType EthashAux::full ( h256 const &  _seedHash, bool  _createIfMissing = false, std::function< int(unsigned)> const &  _f = std::function<int(unsigned)>()  )

static

Kicks off generation of DAG for _blocknumber and blocks until ready;.

Returns

result or empty pointer if not existing and _createIfMissing is false.

Definition at line 176 of file EthashAux.cpp.

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static std::pair<uint64_t, unsigned> dev::eth::EthashAux::fullGeneratingProgress ( )

inlinestatic

Information on the generation progress.

Definition at line 81 of file EthashAux.h.

EthashAux * EthashAux::get ( )

static

Definition at line 51 of file EthashAux.cpp.

void EthashAux::killCache ( h256 const &  _s )

private

Kicks off generation of DAG for _blocknumber and blocks until ready;.

Returns

result.

Definition at line 113 of file EthashAux.cpp.

EthashAux::LightType EthashAux::light ( h256 const &  _seedHash )

static

Definition at line 119 of file EthashAux.cpp.

uint64_t EthashAux::number ( h256 const &  _seedHash )

static

Definition at line 92 of file EthashAux.cpp.

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h256 EthashAux::seedHash ( unsigned  _number )

static

Definition at line 68 of file EthashAux.cpp.

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Member Data Documentation

std::unordered_map<h256, unsigned> dev::eth::EthashAux::m_epochs

private

Definition at line 108 of file EthashAux.h.

std::unique_ptr<std::thread> dev::eth::EthashAux::m_fullGenerator

private

Definition at line 103 of file EthashAux.h.

unsigned dev::eth::EthashAux::m_fullProgress

private

Definition at line 105 of file EthashAux.h.

std::unordered_map<h256, std::weak_ptr<FullAllocation> > dev::eth::EthashAux::m_fulls

private

Definition at line 101 of file EthashAux.h.

std::condition_variable dev::eth::EthashAux::m_fullsChanged

private

Definition at line 100 of file EthashAux.h.

uint64_t dev::eth::EthashAux::m_generatingFullNumber = NotGenerating

private

Definition at line 104 of file EthashAux.h.

FullType dev::eth::EthashAux::m_lastUsedFull

private

Definition at line 102 of file EthashAux.h.

std::unordered_map<h256, std::shared_ptr<LightAllocation> > dev::eth::EthashAux::m_lights

private

Definition at line 97 of file EthashAux.h.

h256s dev::eth::EthashAux::m_seedHashes

private

Definition at line 109 of file EthashAux.h.

const uint64_t dev::eth::EthashAux::NotGenerating = (uint64_t)-1

static

Definition at line 77 of file EthashAux.h.

EthashAux * dev::eth::EthashAux::s_this = nullptr

staticprivate

Definition at line 94 of file EthashAux.h.

Mutex dev::eth::EthashAux::x_epochs

private

Definition at line 107 of file EthashAux.h.

Mutex dev::eth::EthashAux::x_fulls

private

Definition at line 99 of file EthashAux.h.

SharedMutex dev::eth::EthashAux::x_lights

private

Definition at line 96 of file EthashAux.h.

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

• src/cpp-ethereum/libethashseal/EthashAux.h
• src/cpp-ethereum/libethashseal/EthashAux.cpp