28 lines
913 B
C++
28 lines
913 B
C++
|
|
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
|
// Copyright (c) 2009-2014 The Bitcoin developers
|
|
// Distributed under the MIT/X11 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 CBlockIndex;
|
|
class CBlockHeader;
|
|
class uint256;
|
|
|
|
unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHeader *pblock);
|
|
|
|
/** Check whether a block hash satisfies the proof-of-work requirement specified by nBits */
|
|
bool CheckProofOfWork(uint256 hash, unsigned int nBits);
|
|
/** Check the work is more than the minimum a received block needs, without knowing its direct parent */
|
|
bool CheckMinWork(unsigned int nBits, unsigned int nBase, int64_t deltaTime);
|
|
|
|
void UpdateTime(CBlockHeader* block, const CBlockIndex* pindexPrev);
|
|
|
|
uint256 GetProofIncrement(unsigned int nBits);
|
|
|
|
#endif
|