LevelDB block and coin databases

Split off CBlockTreeDB and CCoinsViewDB into txdb-*.{cpp,h} files,
implemented by either LevelDB or BDB.

Based on code from earlier commits by Mike Hearn in his leveldb
branch.

1 files changed, 0 insertions, 55 deletions

diff --git a/src/db.h b/src/db.h
index d0696f3d8c..9a5f1ca9e4 100644
--- a/src/db.h
+++ b/src/db.h
@@ -315,61 +315,6 @@ public:
 
 
 
-/** Access to the transaction database (coins.dat) */
-class CCoinsDB : public CDB
-{
-public:
-    CCoinsDB(const char* pszMode="r+") : CDB("coins.dat", pszMode) { }
-private:
-    CCoinsDB(const CCoinsDB&);
-    void operator=(const CCoinsDB&);
-public:
-    bool ReadCoins(uint256 hash, CCoins &coins);
-    bool WriteCoins(uint256 hash, const CCoins& coins);
-    bool HaveCoins(uint256 hash);
-    bool ReadHashBestChain(uint256& hashBestChain);
-    bool WriteHashBestChain(uint256 hashBestChain);
-};
-
-
-/** CCoinsView backed by a CCoinsDB */
-class CCoinsViewDB : public CCoinsView
-{
-protected:
-    CCoinsDB db;
-public:
-    CCoinsViewDB();
-    bool GetCoins(uint256 txid, CCoins &coins);
-    bool SetCoins(uint256 txid, const CCoins &coins);
-    bool HaveCoins(uint256 txid);
-    CBlockIndex *GetBestBlock();
-    bool SetBestBlock(CBlockIndex *pindex);
-    bool BatchWrite(const std::map<uint256, CCoins> &mapCoins, CBlockIndex *pindex);
-};
-
-
-/** Access to the block database (blktree.dat) */
-class CBlockTreeDB : public CDB
-{
-public:
-    CBlockTreeDB(const char* pszMode="r+") : CDB("blktree.dat", pszMode) { }
-private:
-    CBlockTreeDB(const CBlockTreeDB&);
-    void operator=(const CBlockTreeDB&);
-public:
-    bool WriteBlockIndex(const CDiskBlockIndex& blockindex);
-    bool ReadBestInvalidWork(CBigNum& bnBestInvalidWork);
-    bool WriteBestInvalidWork(CBigNum bnBestInvalidWork);
-    bool ReadBlockFileInfo(int nFile, CBlockFileInfo &fileinfo);
-    bool WriteBlockFileInfo(int nFile, const CBlockFileInfo &fileinfo);
-    bool ReadLastBlockFile(int &nFile);
-    bool WriteLastBlockFile(int nFile);
-    bool LoadBlockIndexGuts();
-};
-
-
-bool LoadBlockIndexDB();
-
 
 /** Access to the (IP) address database (peers.dat) */
 class CAddrDB