r1

2022-02-03 23:45:47 -08:00
parent 42c2062cc4
commit 184ece190c
1438 changed files with 404064 additions and 0 deletions
@@ -0,0 +1,99 @@
+// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2009-2014 The Bitcoin developers
+// Copyright (c) 2016-2018 The PIVX developers
+// Distributed under the MIT software license, see the accompanying
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
+
+#ifndef BITCOIN_TXDB_H
+#define BITCOIN_TXDB_H
+
+#include "leveldbwrapper.h"
+#include "main.h"
+#include "zagr/zerocoin.h"
+
+#include <map>
+#include <string>
+#include <utility>
+#include <vector>
+
+class CCoins;
+class uint256;
+
+//! -dbcache default (MiB)
+static const int64_t nDefaultDbCache = 100;
+//! max. -dbcache in (MiB)
+static const int64_t nMaxDbCache = sizeof(void*) > 4 ? 4096 : 1024;
+//! min. -dbcache in (MiB)
+static const int64_t nMinDbCache = 4;
+
+/** CCoinsView backed by the LevelDB coin database (chainstate/) */
+class CCoinsViewDB : public CCoinsView
+{
+protected:
+    CLevelDBWrapper db;
+
+public:
+    CCoinsViewDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
+
+    bool GetCoins(const uint256& txid, CCoins& coins) const;
+    bool HaveCoins(const uint256& txid) const;
+    uint256 GetBestBlock() const;
+    bool BatchWrite(CCoinsMap& mapCoins, const uint256& hashBlock);
+    bool GetStats(CCoinsStats& stats) const;
+};
+
+/** Access to the block database (blocks/index/) */
+class CBlockTreeDB : public CLevelDBWrapper
+{
+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 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 WriteInt(const std::string& name, int nValue);
+    bool ReadInt(const std::string& name, int& nValue);
+    bool LoadBlockIndexGuts();
+};
+
+/** Zerocoin database (zerocoin/) */
+class CZerocoinDB : public CLevelDBWrapper
+{
+public:
+    CZerocoinDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
+
+private:
+    CZerocoinDB(const CZerocoinDB&);
+    void operator=(const CZerocoinDB&);
+
+public:
+    /** Write zAGR mints to the zerocoinDB in a batch */
+    bool WriteCoinMintBatch(const std::vector<std::pair<libzerocoin::PublicCoin, uint256> >& mintInfo);
+    bool ReadCoinMint(const CBigNum& bnPubcoin, uint256& txHash);
+    bool ReadCoinMint(const uint256& hashPubcoin, uint256& hashTx);
+    /** Write zAGR spends to the zerocoinDB in a batch */
+    bool WriteCoinSpendBatch(const std::vector<std::pair<libzerocoin::CoinSpend, uint256> >& spendInfo);
+    bool ReadCoinSpend(const CBigNum& bnSerial, uint256& txHash);
+    bool ReadCoinSpend(const uint256& hashSerial, uint256 &txHash);
+    bool EraseCoinMint(const CBigNum& bnPubcoin);
+    bool EraseCoinSpend(const CBigNum& bnSerial);
+    bool WipeCoins(std::string strType);
+    bool WriteAccumulatorValue(const uint32_t& nChecksum, const CBigNum& bnValue);
+    bool ReadAccumulatorValue(const uint32_t& nChecksum, CBigNum& bnValue);
+    bool EraseAccumulatorValue(const uint32_t& nChecksum);
+};
+
+#endif // BITCOIN_TXDB_H