pow.cpp File Reference

#include <pow.h>
#include <arith_uint256.h>
#include <chain.h>
#include <chainparams.h>
#include <primitives/block.h>
#include <uint256.h>
#include <math.h>

Include dependency graph for pow.cpp:

Go to the source code of this file.

Functions
unsigned static int	KimotoGravityWell (const CBlockIndex *pindexLast, const Consensus::Params &params)
unsigned static int	DarkGravityWave (const CBlockIndex *pindexLast, const Consensus::Params &params)
unsigned int	GetNextWorkRequiredBTC (const CBlockIndex *pindexLast, const CBlockHeader *pblock, const Consensus::Params &params)
unsigned int	GetNextWorkRequired (const CBlockIndex *pindexLast, const CBlockHeader *pblock, const Consensus::Params &params)
unsigned int	CalculateNextWorkRequired (const CBlockIndex *pindexLast, int64_t nFirstBlockTime, const Consensus::Params &params)
bool	CheckProofOfWork (uint256 hash, unsigned int nBits, const Consensus::Params &params)
	Check whether a block hash satisfies the proof-of-work requirement specified by nBits. More...

Function Documentation

CalculateNextWorkRequired()

unsigned int CalculateNextWorkRequired	(	const CBlockIndex *	pindexLast,
		int64_t	nFirstBlockTime,
		const Consensus::Params &	params
	)

Definition at line 208 of file pow.cpp.

References Consensus::Params::fPowNoRetargeting, CBlockIndex::GetBlockTime(), arith_uint256::GetCompact(), CBlockIndex::nBits, Consensus::Params::nPowTargetTimespan, Consensus::Params::powLimit, arith_uint256::SetCompact(), and UintToArith256().

Referenced by GetNextWorkRequiredBTC().

CheckProofOfWork()

bool CheckProofOfWork	(	uint256	hash,
		unsigned int	nBits,
		const Consensus::Params &	params
	)

Check whether a block hash satisfies the proof-of-work requirement specified by nBits.

Definition at line 233 of file pow.cpp.

References Consensus::Params::powLimit, arith_uint256::SetCompact(), and UintToArith256().

Referenced by CheckBlockHeader(), CBlockTreeDB::LoadBlockIndexGuts(), and ReadBlockFromDisk().

DarkGravityWave()

unsigned static int DarkGravityWave ( const CBlockIndex *  pindexLast, const Consensus::Params &  params  )

static

Definition at line 82 of file pow.cpp.

References CBlockIndex::GetBlockTime(), arith_uint256::GetCompact(), CBlockIndex::nBits, CBlockIndex::nHeight, Consensus::Params::nPowTargetSpacing, Consensus::Params::powLimit, CBlockIndex::pprev, arith_uint256::SetCompact(), and UintToArith256().

Referenced by GetNextWorkRequired().

GetNextWorkRequired()

unsigned int GetNextWorkRequired	(	const CBlockIndex *	pindexLast,
		const CBlockHeader *	pblock,
		const Consensus::Params &	params
	)

Definition at line 168 of file pow.cpp.

References DarkGravityWave(), Consensus::Params::fPowAllowMinDifficultyBlocks, CBlockHeader::GetBlockTime(), CBlockIndex::GetBlockTime(), arith_uint256::GetCompact(), GetNextWorkRequiredBTC(), KimotoGravityWell(), CBlockIndex::nBits, CBlockIndex::nHeight, Consensus::Params::nMinimumDifficultyBlocks, Consensus::Params::nPowDGWHeight, Consensus::Params::nPowKGWHeight, Consensus::Params::nPowTargetSpacing, Consensus::Params::powLimit, arith_uint256::SetCompact(), and UintToArith256().

Referenced by ContextualCheckBlockHeader(), BlockAssembler::CreateNewBlock(), and UpdateTime().

GetNextWorkRequiredBTC()

unsigned int GetNextWorkRequiredBTC	(	const CBlockIndex *	pindexLast,
		const CBlockHeader *	pblock,
		const Consensus::Params &	params
	)

Definition at line 132 of file pow.cpp.

References CalculateNextWorkRequired(), Consensus::Params::DifficultyAdjustmentInterval(), Consensus::Params::fPowAllowMinDifficultyBlocks, CBlockIndex::GetAncestor(), CBlockHeader::GetBlockTime(), CBlockIndex::GetBlockTime(), arith_uint256::GetCompact(), CBlockIndex::nBits, CBlockIndex::nHeight, Consensus::Params::nPowTargetSpacing, Consensus::Params::powLimit, CBlockIndex::pprev, and UintToArith256().

Referenced by GetNextWorkRequired().

KimotoGravityWell()

unsigned static int KimotoGravityWell ( const CBlockIndex *  pindexLast, const Consensus::Params &  params  )

static

Definition at line 16 of file pow.cpp.

References CBlockIndex::GetBlockTime(), arith_uint256::GetCompact(), CBlockIndex::nBits, CBlockIndex::nHeight, Consensus::Params::nPowTargetSpacing, Consensus::Params::nPowTargetTimespan, Consensus::Params::powLimit, CBlockIndex::pprev, arith_uint256::SetCompact(), and UintToArith256().

Referenced by GetNextWorkRequired().