primeminer/src/txdb.h

62 lines
2.3 KiB
C++

// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Copyright (c) 2011-2013 PPCoin developers
// Copyright (c) 2013 Primecoin developers
// Distributed under conditional MIT/X11 software license,
// see the accompanying file COPYING.
#ifndef BITCOIN_TXDB_LEVELDB_H
#define BITCOIN_TXDB_LEVELDB_H
#include "main.h"
#include "leveldb.h"
/** CCoinsView backed by the LevelDB coin database (chainstate/) */
class CCoinsViewDB : public CCoinsView
{
protected:
CLevelDB db;
public:
CCoinsViewDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
bool GetCoins(const uint256 &txid, CCoins &coins);
bool SetCoins(const uint256 &txid, const CCoins &coins);
bool HaveCoins(const uint256 &txid);
CBlockIndex *GetBestBlock();
bool SetBestBlock(CBlockIndex *pindex);
bool BatchWrite(const std::map<uint256, CCoins> &mapCoins, CBlockIndex *pindex);
bool GetStats(CCoinsStats &stats);
};
/** Access to the block database (blocks/index/) */
class CBlockTreeDB : public CLevelDB
{
public:
CBlockTreeDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
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 WriteReindexing(bool fReindex);
bool ReadReindexing(bool &fReindex);
bool ReadTxIndex(const uint256 &txid, CDiskTxPos &pos);
bool WriteTxIndex(const std::vector<std::pair<uint256, CDiskTxPos> > &list);
bool WriteFlag(const std::string &name, bool fValue);
bool ReadFlag(const std::string &name, bool &fValue);
bool LoadBlockIndexGuts();
// ppcoin sync checkpoint related data
bool ReadSyncCheckpoint(uint256& hashCheckpoint);
bool WriteSyncCheckpoint(uint256 hashCheckpoint);
bool ReadCheckpointPubKey(std::string& strPubKey);
bool WriteCheckpointPubKey(const std::string& strPubKey);
};
#endif // BITCOIN_TXDB_LEVELDB_H