X-Git-Url: https://git.novaco.in/?p=novacoin.git;a=blobdiff_plain;f=src%2Fdb.cpp;fp=src%2Fdb.cpp;h=04f400e29a55c2a3b278a7c86a1960cc67f83ad9;hp=2fec1830f70c78609d57742f28032386c2355e01;hb=0561bbd1c69263dceb24ffacf850788e6e961a13;hpb=34b67676bb113a79f5f3784dd41541ea1d174729 diff --git a/src/db.cpp b/src/db.cpp index 2fec183..04f400e 100644 --- a/src/db.cpp +++ b/src/db.cpp @@ -1,22 +1,27 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2011 The Bitcoin developers +// Copyright (c) 2009-2012 The Bitcoin developers // Copyright (c) 2011-2012 The PPCoin developers // Distributed under the MIT/X11 software license, see the accompanying -// file license.txt or http://www.opensource.org/licenses/mit-license.php. +// file COPYING or http://www.opensource.org/licenses/mit-license.php. -#include "headers.h" #include "db.h" #include "net.h" #include "checkpoints.h" +#include "util.h" +#include "main.h" +#include #include #include +#ifndef WIN32 +#include "sys/stat.h" +#endif + using namespace std; using namespace boost; unsigned int nWalletDBUpdated; -uint64 nAccountingEntryNumber = 0; @@ -24,10 +29,11 @@ uint64 nAccountingEntryNumber = 0; // CDB // -static CCriticalSection cs_db; +CCriticalSection cs_db; static bool fDbEnvInit = false; +bool fDetachDB = false; DbEnv dbenv(0); -static map mapFileUseCount; +map mapFileUseCount; static map mapDb; static void EnvShutdown() @@ -44,7 +50,7 @@ static void EnvShutdown() { printf("EnvShutdown exception: %s (%d)\n", e.what(), e.get_errno()); } - DbEnv(0).remove(GetDataDir().c_str(), 0); + DbEnv(0).remove(GetDataDir().string().c_str(), 0); } class CDBInit @@ -61,7 +67,7 @@ public: instance_of_cdbinit; -CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL) +CDB::CDB(const char *pszFile, const char* pszMode) : pdb(NULL) { int ret; if (pszFile == NULL) @@ -73,25 +79,30 @@ CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL) if (fCreate) nFlags |= DB_CREATE; - CRITICAL_BLOCK(cs_db) { + LOCK(cs_db); if (!fDbEnvInit) { if (fShutdown) return; - string strDataDir = GetDataDir(); - string strLogDir = strDataDir + "/database"; - filesystem::create_directory(strLogDir.c_str()); - string strErrorFile = strDataDir + "/db.log"; - printf("dbenv.open strLogDir=%s strErrorFile=%s\n", strLogDir.c_str(), strErrorFile.c_str()); - - dbenv.set_lg_dir(strLogDir.c_str()); - dbenv.set_lg_max(10000000); + filesystem::path pathDataDir = GetDataDir(); + filesystem::path pathLogDir = pathDataDir / "database"; + filesystem::create_directory(pathLogDir); + filesystem::path pathErrorFile = pathDataDir / "db.log"; + printf("dbenv.open LogDir=%s ErrorFile=%s\n", pathLogDir.string().c_str(), pathErrorFile.string().c_str()); + + int nDbCache = GetArg("-dbcache", 25); + dbenv.set_lg_dir(pathLogDir.string().c_str()); + dbenv.set_cachesize(nDbCache / 1024, (nDbCache % 1024)*1048576, 1); + dbenv.set_lg_bsize(1048576); + dbenv.set_lg_max(10485760); dbenv.set_lk_max_locks(10000); dbenv.set_lk_max_objects(10000); - dbenv.set_errfile(fopen(strErrorFile.c_str(), "a")); /// debug + dbenv.set_errfile(fopen(pathErrorFile.string().c_str(), "a")); /// debug + dbenv.set_flags(DB_TXN_WRITE_NOSYNC, 1); dbenv.set_flags(DB_AUTO_COMMIT, 1); - ret = dbenv.open(strDataDir.c_str(), + dbenv.log_set_config(DB_LOG_AUTO_REMOVE, 1); + ret = dbenv.open(pathDataDir.string().c_str(), DB_CREATE | DB_INIT_LOCK | DB_INIT_LOG | @@ -123,8 +134,10 @@ CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL) { delete pdb; pdb = NULL; - CRITICAL_BLOCK(cs_db) + { + LOCK(cs_db); --mapFileUseCount[strFile]; + } strFile = ""; throw runtime_error(strprintf("CDB() : can't open database file %s, error %d", pszFile, ret)); } @@ -133,7 +146,7 @@ CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL) { bool fTmp = fReadOnly; fReadOnly = false; - WriteVersion(VERSION); + WriteVersion(CLIENT_VERSION); fReadOnly = fTmp; } @@ -157,18 +170,23 @@ void CDB::Close() nMinutes = 1; if (strFile == "addr.dat") nMinutes = 2; - if (strFile == "blkindex.dat" && IsInitialBlockDownload() && nBestHeight % 500 != 0) - nMinutes = 1; - dbenv.txn_checkpoint(0, nMinutes, 0); + if (strFile == "blkindex.dat") + nMinutes = 2; + if (strFile == "blkindex.dat" && IsInitialBlockDownload()) + nMinutes = 5; - CRITICAL_BLOCK(cs_db) + dbenv.txn_checkpoint(nMinutes ? GetArg("-dblogsize", 100)*1024 : 0, nMinutes, 0); + + { + LOCK(cs_db); --mapFileUseCount[strFile]; + } } -void static CloseDb(const string& strFile) +void CloseDb(const string& strFile) { - CRITICAL_BLOCK(cs_db) { + LOCK(cs_db); if (mapDb[strFile] != NULL) { // Close the database handle @@ -184,8 +202,8 @@ bool CDB::Rewrite(const string& strFile, const char* pszSkip) { while (!fShutdown) { - CRITICAL_BLOCK(cs_db) { + LOCK(cs_db); if (!mapFileUseCount.count(strFile) || mapFileUseCount[strFile] == 0) { // Flush log data to the dat file @@ -217,8 +235,8 @@ bool CDB::Rewrite(const string& strFile, const char* pszSkip) if (pcursor) while (fSuccess) { - CDataStream ssKey; - CDataStream ssValue; + CDataStream ssKey(SER_DISK, CLIENT_VERSION); + CDataStream ssValue(SER_DISK, CLIENT_VERSION); int ret = db.ReadAtCursor(pcursor, ssKey, ssValue, DB_NEXT); if (ret == DB_NOTFOUND) { @@ -238,7 +256,7 @@ bool CDB::Rewrite(const string& strFile, const char* pszSkip) { // Update version: ssValue.clear(); - ssValue << VERSION; + ssValue << CLIENT_VERSION; } Dbt datKey(&ssKey[0], ssKey.size()); Dbt datValue(&ssValue[0], ssValue.size()); @@ -282,8 +300,8 @@ void DBFlush(bool fShutdown) printf("DBFlush(%s)%s\n", fShutdown ? "true" : "false", fDbEnvInit ? "" : " db not started"); if (!fDbEnvInit) return; - CRITICAL_BLOCK(cs_db) { + LOCK(cs_db); map::iterator mi = mapFileUseCount.begin(); while (mi != mapFileUseCount.end()) { @@ -294,9 +312,13 @@ void DBFlush(bool fShutdown) { // Move log data to the dat file CloseDb(strFile); + printf("%s checkpoint\n", strFile.c_str()); dbenv.txn_checkpoint(0, 0, 0); - printf("%s flush\n", strFile.c_str()); - dbenv.lsn_reset(strFile.c_str(), 0); + if ((strFile != "blkindex.dat" && strFile != "addr.dat") || fDetachDB) { + printf("%s detach\n", strFile.c_str()); + dbenv.lsn_reset(strFile.c_str(), 0); + } + printf("%s closed\n", strFile.c_str()); mapFileUseCount.erase(mi++); } else @@ -374,10 +396,10 @@ bool CTxDB::ReadOwnerTxes(uint160 hash160, int nMinHeight, vector& loop { // Read next record - CDataStream ssKey; + CDataStream ssKey(SER_DISK, CLIENT_VERSION); if (fFlags == DB_SET_RANGE) ssKey << string("owner") << hash160 << CDiskTxPos(0, 0, 0); - CDataStream ssValue; + CDataStream ssValue(SER_DISK, CLIENT_VERSION); int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags); fFlags = DB_NEXT; if (ret == DB_NOTFOUND) @@ -392,9 +414,15 @@ bool CTxDB::ReadOwnerTxes(uint160 hash160, int nMinHeight, vector& string strType; uint160 hashItem; CDiskTxPos pos; - ssKey >> strType >> hashItem >> pos; int nItemHeight; - ssValue >> nItemHeight; + + try { + ssKey >> strType >> hashItem >> pos; + ssValue >> nItemHeight; + } + catch (std::exception &e) { + return error("%s() : deserialize error", __PRETTY_FUNCTION__); + } // Read transaction if (strType != "owner" || hashItem != hash160) @@ -522,10 +550,10 @@ bool CTxDB::LoadBlockIndex() loop { // Read next record - CDataStream ssKey; + CDataStream ssKey(SER_DISK, CLIENT_VERSION); if (fFlags == DB_SET_RANGE) ssKey << make_pair(string("blockindex"), uint256(0)); - CDataStream ssValue; + CDataStream ssValue(SER_DISK, CLIENT_VERSION); int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags); fFlags = DB_NEXT; if (ret == DB_NOTFOUND) @@ -534,9 +562,11 @@ bool CTxDB::LoadBlockIndex() return false; // Unserialize + + try { string strType; ssKey >> strType; - if (strType == "blockindex") + if (strType == "blockindex" && !fRequestShutdown) { CDiskBlockIndex diskindex; ssValue >> diskindex; @@ -570,11 +600,18 @@ bool CTxDB::LoadBlockIndex() } else { - break; + break; // if shutdown requested or finished loading block index + } + } // try + catch (std::exception &e) { + return error("%s() : deserialize error", __PRETTY_FUNCTION__); } } pcursor->close(); + if (fRequestShutdown) + return true; + // Load hashBestChain pointer to end of best chain if (!ReadHashBestChain(hashBestChain)) { @@ -598,19 +635,118 @@ bool CTxDB::LoadBlockIndex() ReadBestInvalidTrust(nBestInvalidTrust); // Verify blocks in the best chain + int nCheckLevel = GetArg("-checklevel", 1); + int nCheckDepth = GetArg( "-checkblocks", 2500); + if (nCheckDepth == 0) + nCheckDepth = 1000000000; // suffices until the year 19000 + if (nCheckDepth > nBestHeight) + nCheckDepth = nBestHeight; + printf("Verifying last %i blocks at level %i\n", nCheckDepth, nCheckLevel); CBlockIndex* pindexFork = NULL; + map, CBlockIndex*> mapBlockPos; for (CBlockIndex* pindex = pindexBest; pindex && pindex->pprev; pindex = pindex->pprev) { - if (pindex->nHeight < nBestHeight-2500 && !mapArgs.count("-checkblocks")) + if (pindex->nHeight < nBestHeight-nCheckDepth) break; CBlock block; if (!block.ReadFromDisk(pindex)) return error("LoadBlockIndex() : block.ReadFromDisk failed"); - if (!block.CheckBlock()) + // check level 1: verify block validity + if (nCheckLevel>0 && !block.CheckBlock()) { printf("LoadBlockIndex() : *** found bad block at %d, hash=%s\n", pindex->nHeight, pindex->GetBlockHash().ToString().c_str()); pindexFork = pindex->pprev; } + // check level 2: verify transaction index validity + if (nCheckLevel>1) + { + pair pos = make_pair(pindex->nFile, pindex->nBlockPos); + mapBlockPos[pos] = pindex; + BOOST_FOREACH(const CTransaction &tx, block.vtx) + { + uint256 hashTx = tx.GetHash(); + CTxIndex txindex; + if (ReadTxIndex(hashTx, txindex)) + { + // check level 3: checker transaction hashes + if (nCheckLevel>2 || pindex->nFile != txindex.pos.nFile || pindex->nBlockPos != txindex.pos.nBlockPos) + { + // either an error or a duplicate transaction + CTransaction txFound; + if (!txFound.ReadFromDisk(txindex.pos)) + { + printf("LoadBlockIndex() : *** cannot read mislocated transaction %s\n", hashTx.ToString().c_str()); + pindexFork = pindex->pprev; + } + else + if (txFound.GetHash() != hashTx) // not a duplicate tx + { + printf("LoadBlockIndex(): *** invalid tx position for %s\n", hashTx.ToString().c_str()); + pindexFork = pindex->pprev; + } + } + // check level 4: check whether spent txouts were spent within the main chain + unsigned int nOutput = 0; + if (nCheckLevel>3) + { + BOOST_FOREACH(const CDiskTxPos &txpos, txindex.vSpent) + { + if (!txpos.IsNull()) + { + pair posFind = make_pair(txpos.nFile, txpos.nBlockPos); + if (!mapBlockPos.count(posFind)) + { + printf("LoadBlockIndex(): *** found bad spend at %d, hashBlock=%s, hashTx=%s\n", pindex->nHeight, pindex->GetBlockHash().ToString().c_str(), hashTx.ToString().c_str()); + pindexFork = pindex->pprev; + } + // check level 6: check whether spent txouts were spent by a valid transaction that consume them + if (nCheckLevel>5) + { + CTransaction txSpend; + if (!txSpend.ReadFromDisk(txpos)) + { + printf("LoadBlockIndex(): *** cannot read spending transaction of %s:%i from disk\n", hashTx.ToString().c_str(), nOutput); + pindexFork = pindex->pprev; + } + else if (!txSpend.CheckTransaction()) + { + printf("LoadBlockIndex(): *** spending transaction of %s:%i is invalid\n", hashTx.ToString().c_str(), nOutput); + pindexFork = pindex->pprev; + } + else + { + bool fFound = false; + BOOST_FOREACH(const CTxIn &txin, txSpend.vin) + if (txin.prevout.hash == hashTx && txin.prevout.n == nOutput) + fFound = true; + if (!fFound) + { + printf("LoadBlockIndex(): *** spending transaction of %s:%i does not spend it\n", hashTx.ToString().c_str(), nOutput); + pindexFork = pindex->pprev; + } + } + } + } + nOutput++; + } + } + } + // check level 5: check whether all prevouts are marked spent + if (nCheckLevel>4) + { + BOOST_FOREACH(const CTxIn &txin, tx.vin) + { + CTxIndex txindex; + if (ReadTxIndex(txin.prevout.hash, txindex)) + if (txindex.vSpent.size()-1 < txin.prevout.n || txindex.vSpent[txin.prevout.n].IsNull()) + { + printf("LoadBlockIndex(): *** found unspent prevout %s:%i in %s\n", txin.prevout.hash.ToString().c_str(), txin.prevout.n, hashTx.ToString().c_str()); + pindexFork = pindex->pprev; + } + } + } + } + } } if (pindexFork) { @@ -634,452 +770,65 @@ bool CTxDB::LoadBlockIndex() // CAddrDB // -bool CAddrDB::WriteAddress(const CAddress& addr) -{ - return Write(make_pair(string("addr"), addr.GetKey()), addr); -} - -bool CAddrDB::EraseAddress(const CAddress& addr) +bool CAddrDB::WriteAddrman(const CAddrMan& addrman) { - return Erase(make_pair(string("addr"), addr.GetKey())); + return Write(string("addrman"), addrman); } bool CAddrDB::LoadAddresses() { - CRITICAL_BLOCK(cs_mapAddresses) + if (Read(string("addrman"), addrman)) { - // Get cursor - Dbc* pcursor = GetCursor(); - if (!pcursor) - return false; - - loop - { - // Read next record - CDataStream ssKey; - CDataStream ssValue; - int ret = ReadAtCursor(pcursor, ssKey, ssValue); - if (ret == DB_NOTFOUND) - break; - else if (ret != 0) - return false; - - // Unserialize - string strType; - ssKey >> strType; - if (strType == "addr") - { - CAddress addr; - ssValue >> addr; - mapAddresses.insert(make_pair(addr.GetKey(), addr)); - } - } - pcursor->close(); - - printf("Loaded %d addresses\n", mapAddresses.size()); + printf("Loaded %i addresses\n", addrman.size()); + return true; } + + // Read pre-0.6 addr records - return true; -} - -bool LoadAddresses() -{ - return CAddrDB("cr+").LoadAddresses(); -} - - - - -// -// CWalletDB -// - -bool CWalletDB::WriteName(const string& strAddress, const string& strName) -{ - nWalletDBUpdated++; - return Write(make_pair(string("name"), strAddress), strName); -} - -bool CWalletDB::EraseName(const string& strAddress) -{ - // This should only be used for sending addresses, never for receiving addresses, - // receiving addresses must always have an address book entry if they're not change return. - nWalletDBUpdated++; - return Erase(make_pair(string("name"), strAddress)); -} - -bool CWalletDB::ReadAccount(const string& strAccount, CAccount& account) -{ - account.SetNull(); - return Read(make_pair(string("acc"), strAccount), account); -} - -bool CWalletDB::WriteAccount(const string& strAccount, const CAccount& account) -{ - return Write(make_pair(string("acc"), strAccount), account); -} - -bool CWalletDB::WriteAccountingEntry(const CAccountingEntry& acentry) -{ - return Write(boost::make_tuple(string("acentry"), acentry.strAccount, ++nAccountingEntryNumber), acentry); -} - -int64 CWalletDB::GetAccountCreditDebit(const string& strAccount) -{ - list entries; - ListAccountCreditDebit(strAccount, entries); - - int64 nCreditDebit = 0; - BOOST_FOREACH (const CAccountingEntry& entry, entries) - nCreditDebit += entry.nCreditDebit; - - return nCreditDebit; -} - -void CWalletDB::ListAccountCreditDebit(const string& strAccount, list& entries) -{ - bool fAllAccounts = (strAccount == "*"); + vector vAddr; + vector > vDelete; + // Get cursor Dbc* pcursor = GetCursor(); if (!pcursor) - throw runtime_error("CWalletDB::ListAccountCreditDebit() : cannot create DB cursor"); - unsigned int fFlags = DB_SET_RANGE; + return false; + loop { // Read next record - CDataStream ssKey; - if (fFlags == DB_SET_RANGE) - ssKey << boost::make_tuple(string("acentry"), (fAllAccounts? string("") : strAccount), uint64(0)); - CDataStream ssValue; - int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags); - fFlags = DB_NEXT; + CDataStream ssKey(SER_DISK, CLIENT_VERSION); + CDataStream ssValue(SER_DISK, CLIENT_VERSION); + int ret = ReadAtCursor(pcursor, ssKey, ssValue); if (ret == DB_NOTFOUND) break; else if (ret != 0) - { - pcursor->close(); - throw runtime_error("CWalletDB::ListAccountCreditDebit() : error scanning DB"); - } + return false; // Unserialize string strType; ssKey >> strType; - if (strType != "acentry") - break; - CAccountingEntry acentry; - ssKey >> acentry.strAccount; - if (!fAllAccounts && acentry.strAccount != strAccount) - break; - - ssValue >> acentry; - entries.push_back(acentry); - } - - pcursor->close(); -} - - -int CWalletDB::LoadWallet(CWallet* pwallet) -{ - pwallet->vchDefaultKey.clear(); - int nFileVersion = 0; - vector vWalletUpgrade; - bool fIsEncrypted = false; - - // Modify defaults -#ifndef WIN32 - // Tray icon sometimes disappears on 9.10 karmic koala 64-bit, leaving no way to access the program - fMinimizeToTray = false; - fMinimizeOnClose = false; -#endif - - //// todo: shouldn't we catch exceptions and try to recover and continue? - CRITICAL_BLOCK(pwallet->cs_wallet) - { - // Get cursor - Dbc* pcursor = GetCursor(); - if (!pcursor) - return DB_CORRUPT; - - loop + if (strType == "addr") { - // Read next record - CDataStream ssKey; - CDataStream ssValue; - int ret = ReadAtCursor(pcursor, ssKey, ssValue); - if (ret == DB_NOTFOUND) - break; - else if (ret != 0) - return DB_CORRUPT; - - // Unserialize - // Taking advantage of the fact that pair serialization - // is just the two items serialized one after the other - string strType; - ssKey >> strType; - if (strType == "name") - { - string strAddress; - ssKey >> strAddress; - ssValue >> pwallet->mapAddressBook[strAddress]; - } - else if (strType == "tx") - { - uint256 hash; - ssKey >> hash; - CWalletTx& wtx = pwallet->mapWallet[hash]; - ssValue >> wtx; - wtx.pwallet = pwallet; - - if (wtx.GetHash() != hash) - printf("Error in wallet.dat, hash mismatch\n"); - - // Undo serialize changes in 31600 - if (31404 <= wtx.fTimeReceivedIsTxTime && wtx.fTimeReceivedIsTxTime <= 31703) - { - if (!ssValue.empty()) - { - char fTmp; - char fUnused; - ssValue >> fTmp >> fUnused >> wtx.strFromAccount; - printf("LoadWallet() upgrading tx ver=%d %d '%s' %s\n", wtx.fTimeReceivedIsTxTime, fTmp, wtx.strFromAccount.c_str(), hash.ToString().c_str()); - wtx.fTimeReceivedIsTxTime = fTmp; - } - else - { - printf("LoadWallet() repairing tx ver=%d %s\n", wtx.fTimeReceivedIsTxTime, hash.ToString().c_str()); - wtx.fTimeReceivedIsTxTime = 0; - } - vWalletUpgrade.push_back(hash); - } - - //// debug print - //printf("LoadWallet %s\n", wtx.GetHash().ToString().c_str()); - //printf(" %12I64d %s %s %s\n", - // wtx.vout[0].nValue, - // DateTimeStrFormat("%x %H:%M:%S", wtx.GetBlockTime()).c_str(), - // wtx.hashBlock.ToString().substr(0,20).c_str(), - // wtx.mapValue["message"].c_str()); - } - else if (strType == "acentry") - { - string strAccount; - ssKey >> strAccount; - uint64 nNumber; - ssKey >> nNumber; - if (nNumber > nAccountingEntryNumber) - nAccountingEntryNumber = nNumber; - } - else if (strType == "key" || strType == "wkey") - { - vector vchPubKey; - ssKey >> vchPubKey; - CKey key; - if (strType == "key") - { - CPrivKey pkey; - ssValue >> pkey; - key.SetPrivKey(pkey); - } - else - { - CWalletKey wkey; - ssValue >> wkey; - key.SetPrivKey(wkey.vchPrivKey); - } - if (!pwallet->LoadKey(key)) - return DB_CORRUPT; - } - else if (strType == "mkey") - { - unsigned int nID; - ssKey >> nID; - CMasterKey kMasterKey; - ssValue >> kMasterKey; - if(pwallet->mapMasterKeys.count(nID) != 0) - return DB_CORRUPT; - pwallet->mapMasterKeys[nID] = kMasterKey; - if (pwallet->nMasterKeyMaxID < nID) - pwallet->nMasterKeyMaxID = nID; - } - else if (strType == "ckey") - { - vector vchPubKey; - ssKey >> vchPubKey; - vector vchPrivKey; - ssValue >> vchPrivKey; - if (!pwallet->LoadCryptedKey(vchPubKey, vchPrivKey)) - return DB_CORRUPT; - fIsEncrypted = true; - } - else if (strType == "defaultkey") - { - ssValue >> pwallet->vchDefaultKey; - } - else if (strType == "pool") - { - int64 nIndex; - ssKey >> nIndex; - pwallet->setKeyPool.insert(nIndex); - } - else if (strType == "version") - { - ssValue >> nFileVersion; - if (nFileVersion == 10300) - nFileVersion = 300; - } - else if (strType == "setting") - { - string strKey; - ssKey >> strKey; - - // Options -#ifndef QT_GUI - if (strKey == "fGenerateBitcoins") ssValue >> fGenerateBitcoins; -#endif - if (strKey == "nTransactionFee") ssValue >> nTransactionFee; - if (strKey == "fLimitProcessors") ssValue >> fLimitProcessors; - if (strKey == "nLimitProcessors") ssValue >> nLimitProcessors; - if (strKey == "fMinimizeToTray") ssValue >> fMinimizeToTray; - if (strKey == "fMinimizeOnClose") ssValue >> fMinimizeOnClose; - if (strKey == "fUseProxy") ssValue >> fUseProxy; - if (strKey == "addrProxy") ssValue >> addrProxy; - if (fHaveUPnP && strKey == "fUseUPnP") ssValue >> fUseUPnP; - if (strKey == "nBalanceReserve") ssValue >> nBalanceReserve; - } - else if (strType == "minversion") - { - int nMinVersion = 0; - ssValue >> nMinVersion; - if (nMinVersion > VERSION) - return DB_TOO_NEW; - } + CAddress addr; + ssValue >> addr; + vAddr.push_back(addr); } - pcursor->close(); } + pcursor->close(); - BOOST_FOREACH(uint256 hash, vWalletUpgrade) - WriteTx(hash, pwallet->mapWallet[hash]); - - printf("nFileVersion = %d\n", nFileVersion); - printf("fGenerateBitcoins = %d\n", fGenerateBitcoins); - printf("nTransactionFee = %"PRI64d"\n", nTransactionFee); - printf("fMinimizeToTray = %d\n", fMinimizeToTray); - printf("fMinimizeOnClose = %d\n", fMinimizeOnClose); - printf("fUseProxy = %d\n", fUseProxy); - printf("addrProxy = %s\n", addrProxy.ToString().c_str()); - if (fHaveUPnP) - printf("fUseUPnP = %d\n", fUseUPnP); - - - // Rewrite encrypted wallets of versions 0.4.0 and 0.5.0rc: - if (fIsEncrypted && (nFileVersion == 40000 || nFileVersion == 50000)) - return DB_NEED_REWRITE; + addrman.Add(vAddr, CNetAddr("0.0.0.0")); + printf("Loaded %i addresses\n", addrman.size()); - if (nFileVersion < VERSION) // Update - { - // Get rid of old debug.log file in current directory - if (nFileVersion <= 105 && !pszSetDataDir[0]) - unlink("debug.log"); + // Note: old records left; we ran into hangs-on-startup + // bugs for some users who (we think) were running after + // an unclean shutdown. - WriteVersion(VERSION); - } - - return DB_LOAD_OK; + return true; } -void ThreadFlushWalletDB(void* parg) +bool LoadAddresses() { - const string& strFile = ((const string*)parg)[0]; - static bool fOneThread; - if (fOneThread) - return; - fOneThread = true; - if (mapArgs.count("-noflushwallet")) - return; - - unsigned int nLastSeen = nWalletDBUpdated; - unsigned int nLastFlushed = nWalletDBUpdated; - int64 nLastWalletUpdate = GetTime(); - while (!fShutdown) - { - Sleep(500); - - if (nLastSeen != nWalletDBUpdated) - { - nLastSeen = nWalletDBUpdated; - nLastWalletUpdate = GetTime(); - } - - if (nLastFlushed != nWalletDBUpdated && GetTime() - nLastWalletUpdate >= 2) - { - TRY_CRITICAL_BLOCK(cs_db) - { - // Don't do this if any databases are in use - int nRefCount = 0; - map::iterator mi = mapFileUseCount.begin(); - while (mi != mapFileUseCount.end()) - { - nRefCount += (*mi).second; - mi++; - } - - if (nRefCount == 0 && !fShutdown) - { - map::iterator mi = mapFileUseCount.find(strFile); - if (mi != mapFileUseCount.end()) - { - printf("%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str()); - printf("Flushing wallet.dat\n"); - nLastFlushed = nWalletDBUpdated; - int64 nStart = GetTimeMillis(); - - // Flush wallet.dat so it's self contained - CloseDb(strFile); - dbenv.txn_checkpoint(0, 0, 0); - dbenv.lsn_reset(strFile.c_str(), 0); - - mapFileUseCount.erase(mi++); - printf("Flushed wallet.dat %"PRI64d"ms\n", GetTimeMillis() - nStart); - } - } - } - } - } + return CAddrDB("cr+").LoadAddresses(); } -bool BackupWallet(const CWallet& wallet, const string& strDest) -{ - if (!wallet.fFileBacked) - return false; - while (!fShutdown) - { - CRITICAL_BLOCK(cs_db) - { - if (!mapFileUseCount.count(wallet.strWalletFile) || mapFileUseCount[wallet.strWalletFile] == 0) - { - // Flush log data to the dat file - CloseDb(wallet.strWalletFile); - dbenv.txn_checkpoint(0, 0, 0); - dbenv.lsn_reset(wallet.strWalletFile.c_str(), 0); - mapFileUseCount.erase(wallet.strWalletFile); - - // Copy wallet.dat - filesystem::path pathSrc(GetDataDir() + "/" + wallet.strWalletFile); - filesystem::path pathDest(strDest); - if (filesystem::is_directory(pathDest)) - pathDest = pathDest / wallet.strWalletFile; -#if BOOST_VERSION >= 104000 - filesystem::copy_file(pathSrc, pathDest, filesystem::copy_option::overwrite_if_exists); -#else - filesystem::copy_file(pathSrc, pathDest); -#endif - printf("copied wallet.dat to %s\n", pathDest.string().c_str()); - return true; - } - } - Sleep(100); - } - return false; -}