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54 lines
2.0 KiB
C++
54 lines
2.0 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2012 The Bitcoin developers
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// Distributed under the MIT/X11 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_TXDB_LEVELDB_H
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#define BITCOIN_TXDB_LEVELDB_H
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#include "main.h"
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#include "leveldb.h"
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/** CCoinsView backed by the LevelDB coin database (chainstate/) */
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class CCoinsViewDB : public CCoinsView
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{
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protected:
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CLevelDB db;
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public:
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CCoinsViewDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
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bool GetCoins(const uint256 &txid, CCoins &coins);
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bool SetCoins(const uint256 &txid, const CCoins &coins);
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bool HaveCoins(const uint256 &txid);
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CBlockIndex *GetBestBlock();
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bool SetBestBlock(CBlockIndex *pindex);
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bool BatchWrite(const std::map<uint256, CCoins> &mapCoins, CBlockIndex *pindex);
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bool GetStats(CCoinsStats &stats);
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};
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/** Access to the block database (blocks/index/) */
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class CBlockTreeDB : public CLevelDB
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{
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public:
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CBlockTreeDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
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private:
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CBlockTreeDB(const CBlockTreeDB&);
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void operator=(const CBlockTreeDB&);
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public:
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bool WriteBlockIndex(const CDiskBlockIndex& blockindex);
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bool ReadBestInvalidWork(CBigNum& bnBestInvalidWork);
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bool WriteBestInvalidWork(const CBigNum& bnBestInvalidWork);
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bool ReadBlockFileInfo(int nFile, CBlockFileInfo &fileinfo);
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bool WriteBlockFileInfo(int nFile, const CBlockFileInfo &fileinfo);
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bool ReadLastBlockFile(int &nFile);
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bool WriteLastBlockFile(int nFile);
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bool WriteReindexing(bool fReindex);
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bool ReadReindexing(bool &fReindex);
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bool ReadTxIndex(const uint256 &txid, CDiskTxPos &pos);
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bool WriteTxIndex(const std::vector<std::pair<uint256, CDiskTxPos> > &list);
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bool WriteFlag(const std::string &name, bool fValue);
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bool ReadFlag(const std::string &name, bool &fValue);
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bool LoadBlockIndexGuts();
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};
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#endif // BITCOIN_TXDB_LEVELDB_H
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