mirror of
https://github.com/dashpay/dash.git
synced 2024-12-25 12:02:48 +01:00
112 lines
4.5 KiB
C++
112 lines
4.5 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
|
// Copyright (c) 2009-2020 The Bitcoin Core 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 <coins.h>
|
|
#include <dbwrapper.h>
|
|
#include <chain.h>
|
|
#include <primitives/block.h>
|
|
#include <spentindex.h>
|
|
#include <timestampindex.h>
|
|
|
|
#include <memory>
|
|
#include <string>
|
|
#include <utility>
|
|
#include <vector>
|
|
|
|
class CBlockIndex;
|
|
class CCoinsViewDBCursor;
|
|
class uint256;
|
|
|
|
//! -dbcache default (MiB)
|
|
static const int64_t nDefaultDbCache = 300;
|
|
//! -dbbatchsize default (bytes)
|
|
static const int64_t nDefaultDbBatchSize = 16 << 20;
|
|
//! max. -dbcache (MiB)
|
|
static const int64_t nMaxDbCache = sizeof(void*) > 4 ? 16384 : 1024;
|
|
//! min. -dbcache (MiB)
|
|
static const int64_t nMinDbCache = 4;
|
|
//! Max memory allocated to block tree DB specific cache, if no -txindex (MiB)
|
|
static const int64_t nMaxBlockDBCache = 2;
|
|
//! Max memory allocated to block tree DB specific cache, if -txindex (MiB)
|
|
// Unlike for the UTXO database, for the txindex scenario the leveldb cache make
|
|
// a meaningful difference: https://github.com/bitcoin/bitcoin/pull/8273#issuecomment-229601991
|
|
static const int64_t nMaxTxIndexCache = 1024;
|
|
//! Max memory allocated to all block filter index caches combined in MiB.
|
|
static const int64_t max_filter_index_cache = 1024;
|
|
//! Max memory allocated to coin DB specific cache (MiB)
|
|
static const int64_t nMaxCoinsDBCache = 8;
|
|
|
|
// Actually declared in validation.cpp; can't include because of circular dependency.
|
|
extern RecursiveMutex cs_main;
|
|
|
|
/** CCoinsView backed by the coin database (chainstate/) */
|
|
class CCoinsViewDB final : public CCoinsView
|
|
{
|
|
protected:
|
|
std::unique_ptr<CDBWrapper> m_db;
|
|
fs::path m_ldb_path;
|
|
bool m_is_memory;
|
|
public:
|
|
/**
|
|
* @param[in] ldb_path Location in the filesystem where leveldb data will be stored.
|
|
*/
|
|
explicit CCoinsViewDB(fs::path ldb_path, size_t nCacheSize, bool fMemory, bool fWipe);
|
|
|
|
|
|
bool GetCoin(const COutPoint &outpoint, Coin &coin) const override;
|
|
bool HaveCoin(const COutPoint &outpoint) const override;
|
|
uint256 GetBestBlock() const override;
|
|
std::vector<uint256> GetHeadBlocks() const override;
|
|
bool BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock, bool erase = true) override;
|
|
std::unique_ptr<CCoinsViewCursor> Cursor() const override;
|
|
|
|
//! Attempt to update from an older database format. Returns whether an error occurred.
|
|
bool Upgrade();
|
|
size_t EstimateSize() const override;
|
|
|
|
//! Dynamically alter the underlying leveldb cache size.
|
|
void ResizeCache(size_t new_cache_size) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
|
|
};
|
|
|
|
/** Access to the block database (blocks/index/) */
|
|
class CBlockTreeDB : public CDBWrapper
|
|
{
|
|
public:
|
|
explicit CBlockTreeDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false);
|
|
|
|
bool WriteBatchSync(const std::vector<std::pair<int, const CBlockFileInfo*> >& fileInfo, int nLastFile, const std::vector<const CBlockIndex*>& blockinfo);
|
|
bool ReadBlockFileInfo(int nFile, CBlockFileInfo &info);
|
|
bool ReadLastBlockFile(int &nFile);
|
|
bool WriteReindexing(bool fReindexing);
|
|
void ReadReindexing(bool &fReindexing);
|
|
|
|
bool ReadSpentIndex(const CSpentIndexKey key, CSpentIndexValue& value);
|
|
bool UpdateSpentIndex(const std::vector<CSpentIndexEntry>& vect);
|
|
|
|
bool ReadAddressUnspentIndex(const uint160& addressHash, const AddressType type,
|
|
std::vector<CAddressUnspentIndexEntry>& vect);
|
|
bool UpdateAddressUnspentIndex(const std::vector<CAddressUnspentIndexEntry>& vect);
|
|
|
|
bool WriteAddressIndex(const std::vector<CAddressIndexEntry>& vect);
|
|
bool EraseAddressIndex(const std::vector<CAddressIndexEntry>& vect);
|
|
bool ReadAddressIndex(const uint160& addressHash, const AddressType type,
|
|
std::vector<CAddressIndexEntry>& addressIndex,
|
|
const int32_t start = 0, const int32_t end = 0);
|
|
|
|
bool WriteTimestampIndex(const CTimestampIndexKey& timestampIndex);
|
|
bool EraseTimestampIndex(const CTimestampIndexKey& timestampIndex);
|
|
bool ReadTimestampIndex(const uint32_t high, const uint32_t low, std::vector<uint256>& hashes);
|
|
|
|
bool WriteFlag(const std::string &name, bool fValue);
|
|
bool ReadFlag(const std::string &name, bool &fValue);
|
|
bool LoadBlockIndexGuts(const Consensus::Params& consensusParams, std::function<CBlockIndex*(const uint256&)> insertBlockIndex)
|
|
EXCLUSIVE_LOCKS_REQUIRED(::cs_main);
|
|
};
|
|
|
|
#endif // BITCOIN_TXDB_H
|