2012-09-03 12:14:03 -07:00
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// Copyright (c) 2009-2010 Satoshi Nakamoto
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2014-12-16 17:47:57 -08:00
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// Copyright (c) 2009-2014 The Bitcoin Core developers
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2014-10-30 17:43:19 -07:00
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// Distributed under the MIT software license, see the accompanying
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2012-09-03 12:14:03 -07:00
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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2013-04-12 22:13:08 -07:00
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2014-11-03 07:16:40 -08:00
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#ifndef BITCOIN_TXDB_H
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#define BITCOIN_TXDB_H
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2012-09-03 12:14:03 -07:00
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2015-02-04 16:21:11 -08:00
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#include "coins.h"
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2013-11-05 17:58:43 -08:00
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#include "leveldbwrapper.h"
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2013-04-12 22:13:08 -07:00
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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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2015-02-04 16:21:11 -08:00
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class CBlockFileInfo;
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class CBlockIndex;
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2015-03-29 04:45:05 -07:00
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struct CDiskTxPos;
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2013-04-12 22:13:08 -07:00
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class uint256;
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2012-09-03 12:14:03 -07:00
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2014-10-30 17:43:19 -07:00
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//! -dbcache default (MiB)
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2014-02-18 08:12:48 -08:00
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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 ? 16384 : 1024;
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2014-10-30 17:43:19 -07:00
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//! min. -dbcache in (MiB)
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static const int64_t nMinDbCache = 4;
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2014-02-16 13:00:12 -08:00
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2013-01-28 12:05:26 -08:00
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/** CCoinsView backed by the LevelDB coin database (chainstate/) */
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2012-10-16 13:23:39 -07:00
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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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2012-10-21 12:23:13 -07:00
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CCoinsViewDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
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2012-10-16 13:23:39 -07:00
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2016-04-02 22:31:26 -07:00
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bool GetAnchorAt(const uint256 &rt, ZCIncrementalMerkleTree &tree) const;
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2016-07-14 14:47:54 -07:00
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bool GetNullifier(const uint256 &serial) const;
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2014-07-19 07:42:48 -07:00
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bool GetCoins(const uint256 &txid, CCoins &coins) const;
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bool HaveCoins(const uint256 &txid) const;
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uint256 GetBestBlock() const;
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2016-01-04 01:54:47 -08:00
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uint256 GetBestAnchor() const;
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bool BatchWrite(CCoinsMap &mapCoins,
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const uint256 &hashBlock,
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const uint256 &hashAnchor,
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2016-01-04 02:34:58 -08:00
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CAnchorsMap &mapAnchors,
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CNullifiersMap &mapNullifiers);
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bool GetStats(CCoinsStats &stats) const;
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};
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2013-01-28 12:05:26 -08:00
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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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2014-11-25 07:26:20 -08:00
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bool WriteBatchSync(const std::vector<std::pair<int, const CBlockFileInfo*> >& fileInfo, int nLastFile, const std::vector<const CBlockIndex*>& blockinfo);
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bool ReadBlockFileInfo(int nFile, CBlockFileInfo &fileinfo);
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bool ReadLastBlockFile(int &nFile);
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2012-10-21 12:23:13 -07:00
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bool WriteReindexing(bool fReindex);
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bool ReadReindexing(bool &fReindex);
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2013-01-10 16:47:57 -08:00
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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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2012-10-16 13:23:39 -07:00
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bool LoadBlockIndexGuts();
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};
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2014-11-03 07:16:40 -08:00
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#endif // BITCOIN_TXDB_H
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