34e5015cd2
Split GetNextWorkRequired() into two functions to allow the difficulty calculations to be tested without requiring a full blockchain. Add unit tests to cover basic difficulty calculation, plus each of the min/max actual time, and maximum difficulty target conditions.
24 lines
801 B
C++
24 lines
801 B
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
|
// Copyright (c) 2009-2014 The Bitcoin Core developers
|
|
// Distributed under the MIT software license, see the accompanying
|
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
#ifndef BITCOIN_POW_H
|
|
#define BITCOIN_POW_H
|
|
|
|
#include <stdint.h>
|
|
|
|
class CBlockHeader;
|
|
class CBlockIndex;
|
|
class uint256;
|
|
class arith_uint256;
|
|
|
|
unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHeader *pblock);
|
|
unsigned int CalculateNextWorkRequired(const CBlockIndex* pindexLast, int64_t nFirstBlockTime);
|
|
|
|
/** Check whether a block hash satisfies the proof-of-work requirement specified by nBits */
|
|
bool CheckProofOfWork(uint256 hash, unsigned int nBits);
|
|
arith_uint256 GetBlockProof(const CBlockIndex& block);
|
|
|
|
#endif // BITCOIN_POW_H
|