diff options
Diffstat (limited to 'src/txdb.h')
-rw-r--r-- | src/txdb.h | 29 |
1 files changed, 16 insertions, 13 deletions
diff --git a/src/txdb.h b/src/txdb.h index 8c41e26f6a..63c7152097 100644 --- a/src/txdb.h +++ b/src/txdb.h @@ -1,5 +1,5 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2009-2021 The Bitcoin Core developers +// Copyright (c) 2009-2022 The Bitcoin Core developers // Distributed under the MIT software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. @@ -8,8 +8,9 @@ #include <coins.h> #include <dbwrapper.h> +#include <kernel/cs_main.h> #include <sync.h> -#include <fs.h> +#include <util/fs.h> #include <memory> #include <optional> @@ -44,27 +45,30 @@ 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; +//! User-controlled performance and debug options. +struct CoinsViewOptions { + //! Maximum database write batch size in bytes. + size_t batch_write_bytes = nDefaultDbBatchSize; + //! If non-zero, randomly exit when the database is flushed with (1/ratio) + //! probability. + int simulate_crash_ratio = 0; +}; /** CCoinsView backed by the coin database (chainstate/) */ class CCoinsViewDB final : public CCoinsView { protected: + DBParams m_db_params; + CoinsViewOptions m_options; 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); + explicit CCoinsViewDB(DBParams db_params, CoinsViewOptions options); 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) override; + bool BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock, bool erase = true) override; std::unique_ptr<CCoinsViewCursor> Cursor() const override; //! Whether an unsupported database format is used. @@ -82,8 +86,7 @@ public: class CBlockTreeDB : public CDBWrapper { public: - explicit CBlockTreeDB(size_t nCacheSize, bool fMemory = false, bool fWipe = false); - + using CDBWrapper::CDBWrapper; 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); |