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Under some circumstances it is possible for there to be a significant, discontinuous jump in a node's clock value. On mining nodes, this can result in block templates which are no longer valid due to time-based nLockTime constraints. UpdateTime() is modified so that it will never decrease a block's nLockTime, thereby preventing such invalidations.
35 lines
1.1 KiB
C++
35 lines
1.1 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2013 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_MINER_H
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#define BITCOIN_MINER_H
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#include "primitives/block.h"
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#include <stdint.h>
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class CBlockIndex;
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class CReserveKey;
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class CScript;
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class CWallet;
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namespace Consensus { struct Params; };
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struct CBlockTemplate
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{
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CBlock block;
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std::vector<CAmount> vTxFees;
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std::vector<int64_t> vTxSigOps;
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};
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/** Run the miner threads */
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void GenerateBitcoins(bool fGenerate, CWallet* pwallet, int nThreads);
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/** Generate a new block, without valid proof-of-work */
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CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn);
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CBlockTemplate* CreateNewBlockWithKey(CReserveKey& reservekey);
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/** Modify the extranonce in a block */
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void IncrementExtraNonce(CBlock* pblock, CBlockIndex* pindexPrev, unsigned int& nExtraNonce);
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int64_t UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParams, const CBlockIndex* pindexPrev);
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#endif // BITCOIN_MINER_H
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