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// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_TXDB_LEVELDB_H
#define BITCOIN_TXDB_LEVELDB_H
#include "main.h"
#include "leveldb.h"
/** CCoinsView backed by the LevelDB coin database (coins/) */
class CCoinsViewDB : public CCoinsView
{
protected:
CLevelDB db;
public:
CCoinsViewDB();
bool GetCoins(uint256 txid, CCoins &coins);
bool SetCoins(uint256 txid, const CCoins &coins);
bool HaveCoins(uint256 txid);
CBlockIndex *GetBestBlock();
bool SetBestBlock(CBlockIndex *pindex);
bool BatchWrite(const std::map<uint256, CCoins> &mapCoins, CBlockIndex *pindex);
};
/** Access to the block database (blktree/) */
class CBlockTreeDB : public CLevelDB
{
public:
CBlockTreeDB(const char* pszMode="r+") : CLevelDB(GetDataDir() / "blktree") { }
private:
CBlockTreeDB(const CBlockTreeDB&);
void operator=(const CBlockTreeDB&);
public:
bool WriteBlockIndex(const CDiskBlockIndex& blockindex);
bool ReadBestInvalidWork(CBigNum& bnBestInvalidWork);
bool WriteBestInvalidWork(const CBigNum& bnBestInvalidWork);
bool ReadBlockFileInfo(int nFile, CBlockFileInfo &fileinfo);
bool WriteBlockFileInfo(int nFile, const CBlockFileInfo &fileinfo);
bool ReadLastBlockFile(int &nFile);
bool WriteLastBlockFile(int nFile);
bool LoadBlockIndexGuts();
};
#endif // BITCOIN_TXDB_LEVELDB_H
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