src/pow.h

   1 // Copyright (c) 2009-2010 Satoshi Nakamoto
   2 // Copyright (c) 2009-2016 The Bitcoin Core developers
   3 // Distributed under the MIT software license, see the accompanying
   4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
   5
   6 #ifndef BITCOIN_POW_H
   7 #define BITCOIN_POW_H
   8
   9 #include "consensus/params.h"
  10
  11 #include <stdint.h>
  12
  13 class CBlockHeader;
  14 class CBlockIndex;
  15 class uint256;
  16
  17 unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHeader *pblock, const Consensus::Params&);
  18 unsigned int CalculateNextWorkRequired(const CBlockIndex* pindexLast, int64_t nFirstBlockTime, const Consensus::Params&);
  19
  20 /** Check whether a block hash satisfies the proof-of-work requirement specified by nBits */
  21 bool CheckProofOfWork(uint256 hash, unsigned int nBits, const Consensus::Params&);
  22
  23 #endif // BITCOIN_POW_H