diff options
Diffstat (limited to 'src/txdb.h')
| -rw-r--r-- | src/txdb.h | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/src/txdb.h b/src/txdb.h index 117e7201fb..974dd4ebe3 100644 --- a/src/txdb.h +++ b/src/txdb.h @@ -22,9 +22,7 @@ class uint256; //! Compensate for extra memory peak (x1.5-x1.9) at flush time. static constexpr int DB_PEAK_USAGE_FACTOR = 2; //! No need to periodic flush if at least this much space still available. -static constexpr int MAX_BLOCK_COINSDB_USAGE = 200 * DB_PEAK_USAGE_FACTOR; -//! Always periodic flush if less than this much space still available. -static constexpr int MIN_BLOCK_COINSDB_USAGE = 50 * DB_PEAK_USAGE_FACTOR; +static constexpr int MAX_BLOCK_COINSDB_USAGE = 10 * DB_PEAK_USAGE_FACTOR; //! -dbcache default (MiB) static const int64_t nDefaultDbCache = 450; //! max. -dbcache (MiB) @@ -73,11 +71,15 @@ protected: 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); - CCoinsViewCursor *Cursor() const; + bool GetCoin(const COutPoint &outpoint, Coin &coin) const override; + bool HaveCoin(const COutPoint &outpoint) const override; + uint256 GetBestBlock() const override; + bool BatchWrite(CCoinsMap &mapCoins, const uint256 &hashBlock) override; + CCoinsViewCursor *Cursor() const override; + + //! Attempt to update from an older database format. Returns whether an error occurred. + bool Upgrade(); + size_t EstimateSize() const override; }; /** Specialization of CCoinsViewCursor to iterate over a CCoinsViewDB */ @@ -86,8 +88,8 @@ class CCoinsViewDBCursor: public CCoinsViewCursor public: ~CCoinsViewDBCursor() {} - bool GetKey(uint256 &key) const; - bool GetValue(CCoins &coins) const; + bool GetKey(COutPoint &key) const; + bool GetValue(Coin &coin) const; unsigned int GetValueSize() const; bool Valid() const; @@ -97,7 +99,7 @@ private: CCoinsViewDBCursor(CDBIterator* pcursorIn, const uint256 &hashBlockIn): CCoinsViewCursor(hashBlockIn), pcursor(pcursorIn) {} std::unique_ptr<CDBIterator> pcursor; - std::pair<char, uint256> keyTmp; + std::pair<char, COutPoint> keyTmp; friend class CCoinsViewDB; }; |