pow.cpp File Reference

#include <pow.h>
#include <arith_uint256.h>
#include <chain.h>
#include <chainparams.h>
#include <crypto/equihash.h>
#include <primitives/block.h>
#include <streams.h>
#include <uint256.h>
#include <util.h>

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Functions
unsigned int	GetNextWorkRequired (const CBlockIndex *pindexPrev, const CBlockHeader *pblock, const Consensus::Params &params)
unsigned int	LwmaGetNextWorkRequired (const CBlockIndex *pindexPrev, const CBlockHeader *pblock, const Consensus::Params &params)
	Zawy's LWMA - next generation algorithm. More...
unsigned int	LwmaCalculateNextWorkRequired (const CBlockIndex *pindexPrev, const Consensus::Params &params)
unsigned int	DigishieldGetNextWorkRequired (const CBlockIndex *pindexPrev, const CBlockHeader *pblock, const Consensus::Params &params)
	Digishield v3 - used in Fabcoin mainnet currently. More...
unsigned int	DigishieldCalculateNextWorkRequired (const CBlockIndex *pindexPrev, arith_uint256 bnAvg, int64_t nLastBlockTime, int64_t nFirstBlockTime, const Consensus::Params &params)
unsigned int	ReduceDifficultyBy (const CBlockIndex *pindexPrev, int64_t multiplier, const Consensus::Params &params)
	Reduce the difficulty by a given multiplier. More...
bool	CheckEquihashSolution (const CBlockHeader *pblock, const CChainParams &params)
	Check whether the Equihash solution in a block header is valid. More...
bool	CheckProofOfWork (uint256 hash, unsigned int nBits, bool postfork, const Consensus::Params &params)
	Check whether a block hash satisfies the proof-of-work requirement specified by nBits. More...

Function Documentation

bool CheckEquihashSolution	(	const CBlockHeader *	pblock,
		const CChainParams &	params
	)

Check whether the Equihash solution in a block header is valid.

Definition at line 258 of file pow.cpp.

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

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

Definition at line 290 of file pow.cpp.

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unsigned int DigishieldCalculateNextWorkRequired	(	const CBlockIndex *	pindexPrev,
		arith_uint256	bnAvg,
		int64_t	nLastBlockTime,
		int64_t	nFirstBlockTime,
		const Consensus::Params &	params
	)

Definition at line 218 of file pow.cpp.

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unsigned int DigishieldGetNextWorkRequired	(	const CBlockIndex *	pindexPrev,
		const CBlockHeader *	pblock,
		const Consensus::Params &	params
	)

Digishield v3 - used in Fabcoin mainnet currently.

Definition at line 193 of file pow.cpp.

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

Definition at line 18 of file pow.cpp.

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unsigned int LwmaCalculateNextWorkRequired	(	const CBlockIndex *	pindexPrev,
		const Consensus::Params &	params
	)

Definition at line 96 of file pow.cpp.

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unsigned int LwmaGetNextWorkRequired	(	const CBlockIndex *	pindexPrev,
		const CBlockHeader *	pblock,
		const Consensus::Params &	params
	)

Zawy's LWMA - next generation algorithm.

Definition at line 64 of file pow.cpp.

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unsigned int ReduceDifficultyBy	(	const CBlockIndex *	pindexLast,
		int64_t	multiplier,
		const Consensus::Params &	params
	)

Reduce the difficulty by a given multiplier.

It doesn't check uint256 overflow!

Definition at line 242 of file pow.cpp.

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