38 lines
1.5 KiB
C++
38 lines
1.5 KiB
C++
// Copyright (c) 2015-2016 The BlackCoin 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 BLACKCOIN_POS_H
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#define BLACKCOIN_POS_H
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#include "pos.h"
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#include "txdb.h"
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#include "main.h"
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#include "arith_uint256.h"
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#include "consensus/validation.h"
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#include "hash.h"
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#include "timedata.h"
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#include "chainparams.h"
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#include "script/sign.h"
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#include <stdint.h>
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using namespace std;
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/** Compute the hash modifier for proof-of-stake */
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uint256 ComputeStakeModifier(const CBlockIndex* pindexPrev, const uint256& kernel);
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static const int nStakeMinConfirmations = 500;
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static const unsigned int nStakeMinAge = 8 * 60 * 60; // 8 hours
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// To decrease granularity of timestamp
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// Supposed to be 2^n-1
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static const int STAKE_TIMESTAMP_MASK = 15;
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// Check whether the coinstake timestamp meets protocol
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bool CheckCoinStakeTimestamp(int64_t nTimeBlock, int64_t nTimeTx);
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bool CheckStakeBlockTimestamp(int64_t nTimeBlock);
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bool CheckStakeKernelHash(const CBlockIndex* pindexPrev, unsigned int nBits, const CCoins* txPrev, const COutPoint& prevout, unsigned int nTimeTx);
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bool IsConfirmedInNPrevBlocks(const CDiskTxPos& txindex, const CBlockIndex* pindexFrom, int nMaxDepth, int& nActualDepth);
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bool CheckProofOfStake(CBlockIndex* pindexPrev, const CTransaction& tx, unsigned int nBits, CValidationState &state);
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bool VerifySignature(const CTransaction& txFrom, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType);
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#endif // BLACKCOIN_POS_H
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