Original HUSH source code based on ZEC 1.0.8 . For historical purposes only!
https://hush.is
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34 lines
1.4 KiB
34 lines
1.4 KiB
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2014 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_POW_H
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#define BITCOIN_POW_H
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#include "consensus/params.h"
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#include <stdint.h>
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class CBlockHeader;
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class CBlockIndex;
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class CChainParams;
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class uint256;
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class arith_uint256;
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unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHeader *pblock, const Consensus::Params&);
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unsigned int CalculateNextWorkRequired(arith_uint256 bnAvg,
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int64_t nLastBlockTime, int64_t nFirstBlockTime,
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const Consensus::Params&);
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/** Check whether the Equihash solution in a block header is valid */
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bool CheckEquihashSolution(const CBlockHeader *pblock, const CChainParams&);
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/** Check whether a block hash satisfies the proof-of-work requirement specified by nBits */
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bool CheckProofOfWork(uint256 hash, unsigned int nBits, const Consensus::Params&);
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arith_uint256 GetBlockProof(const CBlockIndex& block);
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/** Return the time it would take to redo the work difference between from and to, assuming the current hashrate corresponds to the difficulty at tip, in seconds. */
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int64_t GetBlockProofEquivalentTime(const CBlockIndex& to, const CBlockIndex& from, const CBlockIndex& tip, const Consensus::Params&);
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#endif // BITCOIN_POW_H
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