From 4ca60bba5c3b8394c252715c71e8758d63c316ee Mon Sep 17 00:00:00 2001 From: Pieter Wuille Date: Tue, 16 Oct 2012 22:23:39 +0200 Subject: [PATCH] Remove BDB block database support --- bitcoin-qt.pro | 46 ++++---- src/makefile.linux-mingw | 12 +- src/makefile.mingw | 12 +- src/makefile.osx | 12 +- src/makefile.unix | 12 +- src/test/test_bitcoin.cpp | 5 - src/txdb-bdb.cpp | 171 ----------------------------- src/txdb-bdb.h | 61 ---------- src/txdb-leveldb.h | 47 -------- src/{txdb-leveldb.cpp => txdb.cpp} | 2 +- src/txdb.h | 49 +++++++-- 11 files changed, 78 insertions(+), 351 deletions(-) delete mode 100644 src/txdb-bdb.cpp delete mode 100644 src/txdb-bdb.h delete mode 100644 src/txdb-leveldb.h rename src/{txdb-leveldb.cpp => txdb.cpp} (99%) diff --git a/bitcoin-qt.pro b/bitcoin-qt.pro index d0f53534..1808fcc3 100644 --- a/bitcoin-qt.pro +++ b/bitcoin-qt.pro @@ -90,33 +90,23 @@ contains(BITCOIN_NEED_QT_PLUGINS, 1) { QTPLUGIN += qcncodecs qjpcodecs qtwcodecs qkrcodecs qtaccessiblewidgets } -contains(USE_LEVELDB, -) { - message(Building without LevelDB) - SOURCES += src/txdb-bdb.cpp - HEADERS += src/txdb-bdb.h +INCLUDEPATH += src/leveldb/include src/leveldb/helpers +LIBS += $$PWD/src/leveldb/libleveldb.a $$PWD/src/leveldb/libmemenv.a +!windows { + genleveldb.commands = cd $$PWD/src/leveldb ; $(MAKE) libleveldb.a libmemenv.a } else { - message(Building with LevelDB) - DEFINES += USE_LEVELDB - INCLUDEPATH += src/leveldb/include src/leveldb/helpers - LIBS += $$PWD/src/leveldb/libleveldb.a $$PWD/src/leveldb/libmemenv.a - SOURCES += src/leveldb.cpp src/txdb-leveldb.cpp - HEADERS += src/leveldb.h src/txdb-leveldb.h - !windows { - genleveldb.commands = cd $$PWD/src/leveldb ; $(MAKE) libleveldb.a libmemenv.a - } else { - # make an educated guess about what the ranlib command is called - isEmpty(QMAKE_RANLIB) { - QMAKE_RANLIB = $$replace(QMAKE_STRIP, strip, ranlib) - } - genleveldb.commands = cd $$PWD/src/leveldb ; CC=$$QMAKE_CC CXX=$$QMAKE_CXX TARGET_OS=OS_WINDOWS_CROSSCOMPILE CXXFLAGS="-I$$BOOST_INCLUDE_PATH" LDFLAGS="-L$$BOOST_LIB_PATH" $(MAKE) libleveldb.a libmemenv.a ; $$QMAKE_RANLIB $$PWD/src/leveldb/libleveldb.a ; $$QMAKE_RANLIB $$PWD/src/leveldb/libmemenv.a + # make an educated guess about what the ranlib command is called + isEmpty(QMAKE_RANLIB) { + QMAKE_RANLIB = $$replace(QMAKE_STRIP, strip, ranlib) } - genleveldb.target = $$PWD/src/leveldb/libleveldb.a - genleveldb.depends = FORCE - PRE_TARGETDEPS += $$PWD/src/leveldb/libleveldb.a - QMAKE_EXTRA_TARGETS += genleveldb - # Gross ugly hack that depends on qmake internals, unfortunately there's no other way to do it. - QMAKE_CLEAN += $$PWD/src/leveldb/libleveldb.a; cd $$PWD/src/leveldb ; $(MAKE) clean + genleveldb.commands = cd $$PWD/src/leveldb ; CC=$$QMAKE_CC CXX=$$QMAKE_CXX TARGET_OS=OS_WINDOWS_CROSSCOMPILE CXXFLAGS="-I$$BOOST_INCLUDE_PATH" LDFLAGS="-L$$BOOST_LIB_PATH" $(MAKE) libleveldb.a libmemenv.a ; $$QMAKE_RANLIB $$PWD/src/leveldb/libleveldb.a ; $$QMAKE_RANLIB $$PWD/src/leveldb/libmemenv.a } +genleveldb.target = $$PWD/src/leveldb/libleveldb.a +genleveldb.depends = FORCE +PRE_TARGETDEPS += $$PWD/src/leveldb/libleveldb.a +QMAKE_EXTRA_TARGETS += genleveldb +# Gross ugly hack that depends on qmake internals, unfortunately there's no other way to do it. +QMAKE_CLEAN += $$PWD/src/leveldb/libleveldb.a; cd $$PWD/src/leveldb ; $(MAKE) clean # regenerate src/build.h !windows|contains(USE_BUILD_INFO, 1) { @@ -202,7 +192,9 @@ HEADERS += src/qt/bitcoingui.h \ src/qt/rpcconsole.h \ src/version.h \ src/netbase.h \ - src/clientversion.h + src/clientversion.h \ + src/txdb.h \ + src/leveldb.h SOURCES += src/qt/bitcoin.cpp src/qt/bitcoingui.cpp \ src/qt/transactiontablemodel.cpp \ @@ -262,7 +254,9 @@ SOURCES += src/qt/bitcoin.cpp src/qt/bitcoingui.cpp \ src/qt/notificator.cpp \ src/qt/qtipcserver.cpp \ src/qt/rpcconsole.cpp \ - src/noui.cpp + src/noui.cpp \ + src/leveldb.cpp \ + src/txdb.cpp RESOURCES += \ src/qt/bitcoin.qrc diff --git a/src/makefile.linux-mingw b/src/makefile.linux-mingw index eee325d6..f4adbb2b 100644 --- a/src/makefile.linux-mingw +++ b/src/makefile.linux-mingw @@ -6,7 +6,6 @@ DEPSDIR:=/usr/i586-mingw32msvc USE_UPNP:=0 USE_IPV6:=1 -USE_LEVELDB:=1 INCLUDEPATHS= \ -I"$(CURDIR)" \ @@ -83,21 +82,18 @@ OBJS= \ obj/util.o \ obj/wallet.o \ obj/walletdb.o \ - obj/noui.o + obj/noui.o \ + obj/leveldb.o \ + obj/txdb.o all: bitcoind.exe -ifdef USE_LEVELDB LIBS += $(CURDIR)/leveldb/libleveldb.a $(CURDIR)/leveldb/libmemenv.a -DEFS += -I"$(CURDIR)/leveldb/include" -DUSE_LEVELDB +DEFS += -I"$(CURDIR)/leveldb/include" DEFS += -I"$(CURDIR)/leveldb/helpers" -OBJS += obj/leveldb.o obj/txdb-leveldb.o leveldb/libleveldb.a: @echo "Building LevelDB ..."; cd leveldb; TARGET_OS=OS_WINDOWS_CROSSCOMPILE CXXFLAGS="-I$(INCLUDEPATHS)" LDFLAGS="-L$(LIBPATHS)" make libleveldb.a libmemenv.a; cd .. obj/leveldb.o: leveldb/libleveldb.a -else -OBJS += obj/txdb-bdb.o -endif obj/build.h: FORCE /bin/sh ../share/genbuild.sh obj/build.h diff --git a/src/makefile.mingw b/src/makefile.mingw index 4d95d1c0..89a4f372 100644 --- a/src/makefile.mingw +++ b/src/makefile.mingw @@ -4,7 +4,6 @@ USE_UPNP:=0 USE_IPV6:=1 -USE_LEVELDB:=1 INCLUDEPATHS= \ -I"C:\boost-1.50.0-mgw" \ @@ -79,7 +78,9 @@ OBJS= \ obj/util.o \ obj/wallet.o \ obj/walletdb.o \ - obj/noui.o + obj/noui.o \ + obj/leveldb.o \ + obj/txdb.o all: bitcoind.exe @@ -90,17 +91,12 @@ test check: test_bitcoin.exe FORCE # # LevelDB support # -ifdef USE_LEVELDB LIBS += $(CURDIR)/leveldb/libleveldb.a $(CURDIR)/leveldb/libmemenv.a -DEFS += $(addprefix -I,$(CURDIR)/leveldb/include) -DUSE_LEVELDB +DEFS += $(addprefix -I,$(CURDIR)/leveldb/include) DEFS += $(addprefix -I,$(CURDIR)/leveldb/helpers) -OBJS += obj/leveldb.o obj/txdb-leveldb.o leveldb/libleveldb.a: cd leveldb; make libleveldb.a libmemenv.a; cd .. obj/leveldb.o: leveldb/libleveldb.lib -else -OBJS += obj/txdb-bdb.o -endif obj/%.o: %.cpp $(HEADERS) g++ -c $(CFLAGS) -o $@ $< diff --git a/src/makefile.osx b/src/makefile.osx index 9a9296f4..f3e17d0d 100644 --- a/src/makefile.osx +++ b/src/makefile.osx @@ -21,7 +21,6 @@ LIBPATHS= \ USE_UPNP:=1 USE_IPV6:=1 -USE_LEVELDB:=1 LIBS= -dead_strip @@ -97,7 +96,9 @@ OBJS= \ obj/util.o \ obj/wallet.o \ obj/walletdb.o \ - obj/noui.o + obj/noui.o \ + obj/leveldb.o \ + obj/txdb.o ifndef USE_UPNP override USE_UPNP = - @@ -123,17 +124,12 @@ test check: test_bitcoin FORCE # # LevelDB support # -ifdef USE_LEVELDB LIBS += $(CURDIR)/leveldb/libleveldb.a $(CURDIR)/leveldb/libmemenv.a -DEFS += $(addprefix -I,$(CURDIR)/leveldb/include) -DUSE_LEVELDB +DEFS += $(addprefix -I,$(CURDIR)/leveldb/include) DEFS += $(addprefix -I,$(CURDIR)/leveldb/helpers) -OBJS += obj/leveldb.o obj/txdb-leveldb.o leveldb/libleveldb.a: @echo "Building LevelDB ..."; cd leveldb; make libleveldb.a libmemenv.a; cd .. obj/leveldb.o: leveldb/libleveldb.a -else -OBJS += obj/txdb-bdb.o -endif # auto-generated dependencies: -include obj/*.P diff --git a/src/makefile.unix b/src/makefile.unix index 95234bae..df05f799 100644 --- a/src/makefile.unix +++ b/src/makefile.unix @@ -4,7 +4,6 @@ USE_UPNP:=0 USE_IPV6:=1 -USE_LEVELDB:=1 LINK:=$(CXX) @@ -128,7 +127,9 @@ OBJS= \ obj/util.o \ obj/wallet.o \ obj/walletdb.o \ - obj/noui.o + obj/noui.o \ + obj/leveldb.o \ + obj/txdb.o all: bitcoind @@ -139,17 +140,12 @@ test check: test_bitcoin FORCE # # LevelDB support # -ifdef USE_LEVELDB LIBS += $(CURDIR)/leveldb/libleveldb.a $(CURDIR)/leveldb/libmemenv.a -DEFS += $(addprefix -I,$(CURDIR)/leveldb/include) -DUSE_LEVELDB +DEFS += $(addprefix -I,$(CURDIR)/leveldb/include) DEFS += $(addprefix -I,$(CURDIR)/leveldb/helpers) -OBJS += obj/leveldb.o obj/txdb-leveldb.o leveldb/libleveldb.a: @echo "Building LevelDB ..."; cd leveldb; make libleveldb.a libmemenv.a; cd ..; obj/leveldb.o: leveldb/libleveldb.a -else -OBJS += obj/txdb-bdb.o -endif # auto-generated dependencies: -include obj/*.P diff --git a/src/test/test_bitcoin.cpp b/src/test/test_bitcoin.cpp index 0173c006..c1f47f78 100644 --- a/src/test/test_bitcoin.cpp +++ b/src/test/test_bitcoin.cpp @@ -19,13 +19,8 @@ struct TestingSetup { fPrintToDebugger = true; // don't want to write to debug.log file noui_connect(); bitdb.MakeMock(); -#ifdef USE_LEVELDB pblocktree = new CBlockTreeDB(true); pcoinsdbview = new CCoinsViewDB(true); -#else - pblocktree = new CBlockTreeDB(); - pcoinsdbview = new CCoinsViewDB(); -#endif pcoinsTip = new CCoinsViewCache(*pcoinsdbview); LoadBlockIndex(true); bool fFirstRun; diff --git a/src/txdb-bdb.cpp b/src/txdb-bdb.cpp deleted file mode 100644 index 8954b8b3..00000000 --- a/src/txdb-bdb.cpp +++ /dev/null @@ -1,171 +0,0 @@ -// Copyright (c) 2009-2010 Satoshi Nakamoto -// 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. - -#include "txdb-bdb.h" - -bool CCoinsDB::HaveCoins(uint256 hash) { - assert(!fClient); - return Exists(make_pair('c', hash)); -} - -bool CCoinsDB::ReadCoins(uint256 hash, CCoins &coins) { - assert(!fClient); - return Read(make_pair('c', hash), coins); -} - -bool CCoinsDB::WriteCoins(uint256 hash, const CCoins &coins) { - assert(!fClient); - if (coins.IsPruned()) - return Erase(make_pair('c', hash)); - else - return Write(make_pair('c', hash), coins); -} - -bool CCoinsDB::ReadHashBestChain(uint256& hashBestChain) -{ - return Read('B', hashBestChain); -} - -bool CCoinsDB::WriteHashBestChain(uint256 hashBestChain) -{ - return Write('B', hashBestChain); -} - -bool CBlockTreeDB::WriteBlockIndex(const CDiskBlockIndex& blockindex) -{ - return Write(make_pair('b', blockindex.GetBlockHash()), blockindex); -} - -bool CBlockTreeDB::ReadBestInvalidWork(CBigNum& bnBestInvalidWork) -{ - return Read('I', bnBestInvalidWork); -} - -bool CBlockTreeDB::WriteBestInvalidWork(CBigNum bnBestInvalidWork) -{ - return Write('I', bnBestInvalidWork); -} - -bool CBlockTreeDB::WriteBlockFileInfo(int nFile, const CBlockFileInfo &info) { - return Write(make_pair('f', nFile), info); -} - -bool CBlockTreeDB::ReadBlockFileInfo(int nFile, CBlockFileInfo &info) { - return Read(make_pair('f', nFile), info); -} - -bool CBlockTreeDB::WriteLastBlockFile(int nFile) { - return Write('l', nFile); -} - -bool CBlockTreeDB::ReadLastBlockFile(int &nFile) { - return Read('l', nFile); -} - -CCoinsViewDB::CCoinsViewDB() : db() {} -bool CCoinsViewDB::GetCoins(uint256 txid, CCoins &coins) { return db.ReadCoins(txid, coins); } -bool CCoinsViewDB::SetCoins(uint256 txid, const CCoins &coins) { return db.WriteCoins(txid, coins); } -bool CCoinsViewDB::HaveCoins(uint256 txid) { return db.HaveCoins(txid); } -CBlockIndex *CCoinsViewDB::GetBestBlock() { - uint256 hashBestChain; - if (!db.ReadHashBestChain(hashBestChain)) - return NULL; - std::map::iterator it = mapBlockIndex.find(hashBestChain); - if (it == mapBlockIndex.end()) - return NULL; - return it->second; -} -bool CCoinsViewDB::SetBestBlock(CBlockIndex *pindex) { return db.WriteHashBestChain(pindex->GetBlockHash()); } -bool CCoinsViewDB::BatchWrite(const std::map &mapCoins, CBlockIndex *pindex) { - printf("Committing %u changed transactions to coin database...\n", (unsigned int)mapCoins.size()); - - if (!db.TxnBegin()) - return false; - bool fOk = true; - for (std::map::const_iterator it = mapCoins.begin(); it != mapCoins.end(); it++) { - fOk = db.WriteCoins(it->first, it->second); - if (!fOk) - break; - } - if (fOk) - fOk = db.WriteHashBestChain(pindex->GetBlockHash()); - - if (!fOk) - db.TxnAbort(); - else - fOk = db.TxnCommit(); - - return fOk; -} - - -bool CBlockTreeDB::LoadBlockIndexGuts() -{ - // Get database cursor - Dbc* pcursor = GetCursor(); - if (!pcursor) - return false; - - // Load mapBlockIndex - unsigned int fFlags = DB_SET_RANGE; - loop - { - // Read next record - CDataStream ssKey(SER_DISK, CLIENT_VERSION); - if (fFlags == DB_SET_RANGE) - ssKey << make_pair('b', uint256(0)); - CDataStream ssValue(SER_DISK, CLIENT_VERSION); - int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags); - fFlags = DB_NEXT; - if (ret == DB_NOTFOUND) - break; - else if (ret != 0) - return false; - - // Unserialize - - try { - char chType; - ssKey >> chType; - if (chType == 'b' && !fRequestShutdown) - { - CDiskBlockIndex diskindex; - ssValue >> diskindex; - - // Construct block index object - CBlockIndex* pindexNew = InsertBlockIndex(diskindex.GetBlockHash()); - pindexNew->pprev = InsertBlockIndex(diskindex.hashPrev); - pindexNew->nHeight = diskindex.nHeight; - pindexNew->nFile = diskindex.nFile; - pindexNew->nDataPos = diskindex.nDataPos; - pindexNew->nUndoPos = diskindex.nUndoPos; - pindexNew->nVersion = diskindex.nVersion; - pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot; - pindexNew->nTime = diskindex.nTime; - pindexNew->nBits = diskindex.nBits; - pindexNew->nNonce = diskindex.nNonce; - pindexNew->nStatus = diskindex.nStatus; - pindexNew->nTx = diskindex.nTx; - - // Watch for genesis block - if (pindexGenesisBlock == NULL && diskindex.GetBlockHash() == hashGenesisBlock) - pindexGenesisBlock = pindexNew; - - if (!pindexNew->CheckIndex()) - return error("LoadBlockIndex() : CheckIndex failed: %s", pindexNew->ToString().c_str()); - } - else - { - break; // if shutdown requested or finished loading block index - } - } // try - catch (std::exception &e) { - return error("%s() : deserialize error", __PRETTY_FUNCTION__); - } - } - pcursor->close(); - - return true; -} diff --git a/src/txdb-bdb.h b/src/txdb-bdb.h deleted file mode 100644 index 3e8d40c2..00000000 --- a/src/txdb-bdb.h +++ /dev/null @@ -1,61 +0,0 @@ -// Copyright (c) 2009-2010 Satoshi Nakamoto -// 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_BDB_H -#define BITCOIN_TXDB_BDB_H - -#include "db.h" - -/** Access to the transaction database (coins.dat) */ -class CCoinsDB : public CDB -{ -public: - CCoinsDB() : CDB("coins.dat", "cr+") { } -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 &mapCoins, CBlockIndex *pindex); -}; - -/** Access to the block database (blktree.dat) */ -class CBlockTreeDB : public CDB -{ -public: - CBlockTreeDB() : CDB("blktree.dat", "cr+") { } -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(); -}; - -#endif // BITCOIN_TXDB_BDB_H diff --git a/src/txdb-leveldb.h b/src/txdb-leveldb.h deleted file mode 100644 index 123ec00d..00000000 --- a/src/txdb-leveldb.h +++ /dev/null @@ -1,47 +0,0 @@ -// Copyright (c) 2009-2010 Satoshi Nakamoto -// 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_LEVELDB_H -#define BITCOIN_TXDB_LEVELDB_H - -#include "main.h" -#include "leveldb.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 &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 diff --git a/src/txdb-leveldb.cpp b/src/txdb.cpp similarity index 99% rename from src/txdb-leveldb.cpp rename to src/txdb.cpp index 7c72ccac..67d15cb5 100644 --- a/src/txdb-leveldb.cpp +++ b/src/txdb.cpp @@ -3,7 +3,7 @@ // Distributed under the MIT/X11 software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. -#include "txdb-leveldb.h" +#include "txdb.h" #include "main.h" using namespace std; diff --git a/src/txdb.h b/src/txdb.h index e21a1e67..123ec00d 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 &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