From 4ca60bba5c3b8394c252715c71e8758d63c316ee Mon Sep 17 00:00:00 2001
From: Pieter Wuille <pieter.wuille@gmail.com>
Date: Tue, 16 Oct 2012 22:23:39 +0200
Subject: Remove BDB block database support

---
 src/txdb.h | 49 +++++++++++++++++++++++++++++++++++++++++--------
 1 file changed, 41 insertions(+), 8 deletions(-)

(limited to 'src/txdb.h')

diff --git a/src/txdb.h b/src/txdb.h
index e21a1e6774..123ec00d23 100644
--- a/src/txdb.h
+++ b/src/txdb.h
@@ -2,13 +2,46 @@
 // Copyright (c) 2009-2012 The Bitcoin developers
 // Distributed under the MIT/X11 software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
-#ifndef BITCOIN_TXDB_H
-#define BITCOIN_TXDB_H
+#ifndef BITCOIN_TXDB_LEVELDB_H
+#define BITCOIN_TXDB_LEVELDB_H
 
-#ifdef USE_LEVELDB
-#include "txdb-leveldb.h"
-#else
-#include "txdb-bdb.h"
-#endif
+#include "main.h"
+#include "leveldb.h"
 
-#endif // BITCOIN_TXDB_H
+/** CCoinsView backed by the LevelDB coin database (coins/) */
+class CCoinsViewDB : public CCoinsView
+{
+protected:
+    CLevelDB db;
+public:
+    CCoinsViewDB(bool fMemory = false);
+
+    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);
+    bool GetStats(CCoinsStats &stats);
+};
+
+/** Access to the block database (blktree/) */
+class CBlockTreeDB : public CLevelDB
+{
+public:
+    CBlockTreeDB(bool fMemory = false);
+private:
+    CBlockTreeDB(const CBlockTreeDB&);
+    void operator=(const CBlockTreeDB&);
+public:
+    bool WriteBlockIndex(const CDiskBlockIndex& blockindex);
+    bool ReadBestInvalidWork(CBigNum& bnBestInvalidWork);
+    bool WriteBestInvalidWork(const 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();
+};
+
+#endif // BITCOIN_TXDB_LEVELDB_H
-- 
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