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67 lines
2.2 KiB
67 lines
2.2 KiB
// Copyright (c) 2009-2010 Satoshi Nakamoto |
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// Copyright (c) 2009-2013 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 "leveldbwrapper.h" |
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#include "main.h" |
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#include <map> |
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#include <string> |
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#include <utility> |
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#include <vector> |
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class CCoins; |
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class uint256; |
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// -dbcache default (MiB) |
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static const int64_t nDefaultDbCache = 100; |
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// max. -dbcache in (MiB) |
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static const int64_t nMaxDbCache = sizeof(void*) > 4 ? 4096 : 1024; |
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// min. -dbcache in (MiB) |
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static const int64_t nMinDbCache = 4; |
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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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CLevelDBWrapper 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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uint256 GetBestBlock(); |
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bool SetBestBlock(const uint256 &hashBlock); |
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bool BatchWrite(const CCoinsMap &mapCoins, const uint256 &hashBlock); |
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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 CLevelDBWrapper |
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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 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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