X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fdb.cpp;h=b3bbaca19fd450dd38f96aec9035bbca4ad6d8d9;hb=11529c6e4f7288d8a64c488a726ee3821c7adefe;hp=30e4bb0d8b84cd6f750690ab69356f04201293f6;hpb=e89b9f6a2abaa120ff0fc3cea9ae364e8cbd25e4;p=novacoin.git diff --git a/src/db.cpp b/src/db.cpp index 30e4bb0..b3bbaca 100644 --- a/src/db.cpp +++ b/src/db.cpp @@ -1,17 +1,17 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto +// Copyright (c) 2011 The Bitcoin developers // Distributed under the MIT/X11 software license, see the accompanying // file license.txt or http://www.opensource.org/licenses/mit-license.php. #include "headers.h" #include "db.h" #include "net.h" +#include #include using namespace std; using namespace boost; -void ThreadFlushWalletDB(void* parg); - unsigned int nWalletDBUpdated; uint64 nAccountingEntryNumber = 0; @@ -28,6 +28,23 @@ DbEnv dbenv(0); static map mapFileUseCount; static map mapDb; +static void EnvShutdown() +{ + if (!fDbEnvInit) + return; + + fDbEnvInit = false; + try + { + dbenv.close(0); + } + catch (const DbException& e) + { + printf("EnvShutdown exception: %s (%d)\n", e.what(), e.get_errno()); + } + DbEnv(0).remove(GetDataDir().c_str(), 0); +} + class CDBInit { public: @@ -36,11 +53,7 @@ public: } ~CDBInit() { - if (fDbEnvInit) - { - dbenv.close(0); - fDbEnvInit = false; - } + EnvShutdown(); } } instance_of_cdbinit; @@ -118,7 +131,7 @@ CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL) { bool fTmp = fReadOnly; fReadOnly = false; - WriteVersion(VERSION); + WriteVersion(CLIENT_VERSION); fReadOnly = fTmp; } @@ -150,7 +163,7 @@ void CDB::Close() --mapFileUseCount[strFile]; } -void CloseDb(const string& strFile) +void static CloseDb(const string& strFile) { CRITICAL_BLOCK(cs_db) { @@ -165,6 +178,101 @@ void CloseDb(const string& strFile) } } +bool CDB::Rewrite(const string& strFile, const char* pszSkip) +{ + while (!fShutdown) + { + CRITICAL_BLOCK(cs_db) + { + if (!mapFileUseCount.count(strFile) || mapFileUseCount[strFile] == 0) + { + // Flush log data to the dat file + CloseDb(strFile); + dbenv.txn_checkpoint(0, 0, 0); + dbenv.lsn_reset(strFile.c_str(), 0); + mapFileUseCount.erase(strFile); + + bool fSuccess = true; + printf("Rewriting %s...\n", strFile.c_str()); + string strFileRes = strFile + ".rewrite"; + { // surround usage of db with extra {} + CDB db(strFile.c_str(), "r"); + Db* pdbCopy = new Db(&dbenv, 0); + + int ret = pdbCopy->open(NULL, // Txn pointer + strFileRes.c_str(), // Filename + "main", // Logical db name + DB_BTREE, // Database type + DB_CREATE, // Flags + 0); + if (ret > 0) + { + printf("Cannot create database file %s\n", strFileRes.c_str()); + fSuccess = false; + } + + Dbc* pcursor = db.GetCursor(); + if (pcursor) + while (fSuccess) + { + CDataStream ssKey; + CDataStream ssValue; + int ret = db.ReadAtCursor(pcursor, ssKey, ssValue, DB_NEXT); + if (ret == DB_NOTFOUND) + { + pcursor->close(); + break; + } + else if (ret != 0) + { + pcursor->close(); + fSuccess = false; + break; + } + if (pszSkip && + strncmp(&ssKey[0], pszSkip, std::min(ssKey.size(), strlen(pszSkip))) == 0) + continue; + if (strncmp(&ssKey[0], "\x07version", 8) == 0) + { + // Update version: + ssValue.clear(); + ssValue << CLIENT_VERSION; + } + Dbt datKey(&ssKey[0], ssKey.size()); + Dbt datValue(&ssValue[0], ssValue.size()); + int ret2 = pdbCopy->put(NULL, &datKey, &datValue, DB_NOOVERWRITE); + if (ret2 > 0) + fSuccess = false; + } + if (fSuccess) + { + db.Close(); + CloseDb(strFile); + if (pdbCopy->close(0)) + fSuccess = false; + delete pdbCopy; + } + } + if (fSuccess) + { + Db dbA(&dbenv, 0); + if (dbA.remove(strFile.c_str(), NULL, 0)) + fSuccess = false; + Db dbB(&dbenv, 0); + if (dbB.rename(strFileRes.c_str(), NULL, strFile.c_str(), 0)) + fSuccess = false; + } + if (!fSuccess) + printf("Rewriting of %s FAILED!\n", strFileRes.c_str()); + return fSuccess; + } + } + Sleep(100); + } + return false; +} + + void DBFlush(bool fShutdown) { // Flush log data to the actual data file @@ -196,9 +304,10 @@ void DBFlush(bool fShutdown) { char** listp; if (mapFileUseCount.empty()) + { dbenv.log_archive(&listp, DB_ARCH_REMOVE); - dbenv.close(0); - fDbEnvInit = false; + EnvShutdown(); + } } } } @@ -359,7 +468,7 @@ bool CTxDB::WriteBestInvalidWork(CBigNum bnBestInvalidWork) return Write(string("bnBestInvalidWork"), bnBestInvalidWork); } -CBlockIndex* InsertBlockIndex(uint256 hash) +CBlockIndex static * InsertBlockIndex(uint256 hash) { if (hash == 0) return NULL; @@ -520,24 +629,6 @@ bool CAddrDB::LoadAddresses() { CRITICAL_BLOCK(cs_mapAddresses) { - // Load user provided addresses - CAutoFile filein = fopen((GetDataDir() + "/addr.txt").c_str(), "rt"); - if (filein) - { - try - { - char psz[1000]; - while (fgets(psz, sizeof(psz), filein)) - { - CAddress addr(psz, NODE_NETWORK); - addr.nTime = 0; // so it won't relay unless successfully connected - if (addr.IsValid()) - AddAddress(addr); - } - } - catch (...) { } - } - // Get cursor Dbc* pcursor = GetCursor(); if (!pcursor) @@ -584,6 +675,20 @@ bool 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(); @@ -597,7 +702,7 @@ bool CWalletDB::WriteAccount(const string& strAccount, const CAccount& account) bool CWalletDB::WriteAccountingEntry(const CAccountingEntry& acentry) { - return Write(make_tuple(string("acentry"), acentry.strAccount, ++nAccountingEntryNumber), acentry); + return Write(boost::make_tuple(string("acentry"), acentry.strAccount, ++nAccountingEntryNumber), acentry); } int64 CWalletDB::GetAccountCreditDebit(const string& strAccount) @@ -614,8 +719,6 @@ int64 CWalletDB::GetAccountCreditDebit(const string& strAccount) void CWalletDB::ListAccountCreditDebit(const string& strAccount, list& entries) { - int64 nCreditDebit = 0; - bool fAllAccounts = (strAccount == "*"); Dbc* pcursor = GetCursor(); @@ -627,7 +730,7 @@ void CWalletDB::ListAccountCreditDebit(const string& strAccount, listvchDefaultKey.clear(); int nFileVersion = 0; vector vWalletUpgrade; + bool fIsEncrypted = false; // Modify defaults -#ifndef __WXMSW__ +#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(cs_mapWallet) - CRITICAL_BLOCK(cs_mapKeys) + CRITICAL_BLOCK(pwallet->cs_wallet) { // Get cursor Dbc* pcursor = GetCursor(); if (!pcursor) - return false; + return DB_CORRUPT; loop { @@ -688,7 +791,7 @@ bool CWalletDB::LoadWallet() if (ret == DB_NOTFOUND) break; else if (ret != 0) - return false; + return DB_CORRUPT; // Unserialize // Taking advantage of the fact that pair serialization @@ -699,14 +802,15 @@ bool CWalletDB::LoadWallet() { string strAddress; ssKey >> strAddress; - ssValue >> mapAddressBook[strAddress]; + ssValue >> pwallet->mapAddressBook[strAddress]; } else if (strType == "tx") { uint256 hash; ssKey >> hash; - CWalletTx& wtx = mapWallet[hash]; + CWalletTx& wtx = pwallet->mapWallet[hash]; ssValue >> wtx; + wtx.BindWallet(pwallet); if (wtx.GetHash() != hash) printf("Error in wallet.dat, hash mismatch\n"); @@ -751,24 +855,55 @@ bool CWalletDB::LoadWallet() { vector vchPubKey; ssKey >> vchPubKey; - CWalletKey wkey; + CKey key; if (strType == "key") - ssValue >> wkey.vchPrivKey; + { + CPrivKey pkey; + ssValue >> pkey; + key.SetPubKey(vchPubKey); + key.SetPrivKey(pkey); + } else + { + CWalletKey wkey; ssValue >> wkey; - - mapKeys[vchPubKey] = wkey.vchPrivKey; - mapPubKeys[Hash160(vchPubKey)] = vchPubKey; + key.SetPubKey(vchPubKey); + 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 >> vchDefaultKey; + ssValue >> pwallet->vchDefaultKey; } else if (strType == "pool") { int64 nIndex; ssKey >> nIndex; - setKeyPool.insert(nIndex); + pwallet->setKeyPool.insert(nIndex); } else if (strType == "version") { @@ -782,11 +917,10 @@ bool CWalletDB::LoadWallet() ssKey >> strKey; // Options -#ifndef GUI +#ifndef QT_GUI if (strKey == "fGenerateBitcoins") ssValue >> fGenerateBitcoins; #endif if (strKey == "nTransactionFee") ssValue >> nTransactionFee; - if (strKey == "addrIncoming") ssValue >> addrIncoming; if (strKey == "fLimitProcessors") ssValue >> fLimitProcessors; if (strKey == "nLimitProcessors") ssValue >> nLimitProcessors; if (strKey == "fMinimizeToTray") ssValue >> fMinimizeToTray; @@ -795,17 +929,32 @@ bool CWalletDB::LoadWallet() if (strKey == "addrProxy") ssValue >> addrProxy; if (fHaveUPnP && strKey == "fUseUPnP") ssValue >> fUseUPnP; } + else if (strType == "minversion") + { + int nMinVersion = 0; + ssValue >> nMinVersion; + if (nMinVersion > CLIENT_VERSION) + return DB_TOO_NEW; + } + else if (strType == "cscript") + { + uint160 hash; + ssKey >> hash; + CScript script; + ssValue >> script; + if (!pwallet->LoadCScript(hash, script)) + return DB_CORRUPT; + } } pcursor->close(); } BOOST_FOREACH(uint256 hash, vWalletUpgrade) - WriteTx(hash, mapWallet[hash]); + WriteTx(hash, pwallet->mapWallet[hash]); printf("nFileVersion = %d\n", nFileVersion); printf("fGenerateBitcoins = %d\n", fGenerateBitcoins); printf("nTransactionFee = %"PRI64d"\n", nTransactionFee); - printf("addrIncoming = %s\n", addrIncoming.ToString().c_str()); printf("fMinimizeToTray = %d\n", fMinimizeToTray); printf("fMinimizeOnClose = %d\n", fMinimizeOnClose); printf("fUseProxy = %d\n", fUseProxy); @@ -814,22 +963,25 @@ bool CWalletDB::LoadWallet() printf("fUseUPnP = %d\n", fUseUPnP); - // Upgrade - if (nFileVersion < VERSION) + // Rewrite encrypted wallets of versions 0.4.0 and 0.5.0rc: + if (fIsEncrypted && (nFileVersion == 40000 || nFileVersion == 50000)) + return DB_NEED_REWRITE; + + if (nFileVersion < CLIENT_VERSION) // Update { // Get rid of old debug.log file in current directory if (nFileVersion <= 105 && !pszSetDataDir[0]) unlink("debug.log"); - WriteVersion(VERSION); + WriteVersion(CLIENT_VERSION); } - - return true; + return DB_LOAD_OK; } void ThreadFlushWalletDB(void* parg) { + const string& strFile = ((const string*)parg)[0]; static bool fOneThread; if (fOneThread) return; @@ -865,7 +1017,6 @@ void ThreadFlushWalletDB(void* parg) if (nRefCount == 0 && !fShutdown) { - string strFile = "wallet.dat"; map::iterator mi = mapFileUseCount.find(strFile); if (mi != mapFileUseCount.end()) { @@ -888,26 +1039,27 @@ void ThreadFlushWalletDB(void* parg) } } -void BackupWallet(const string& strDest) +bool BackupWallet(const CWallet& wallet, const string& strDest) { + if (!wallet.fFileBacked) + return false; while (!fShutdown) { CRITICAL_BLOCK(cs_db) { - const string strFile = "wallet.dat"; - if (!mapFileUseCount.count(strFile) || mapFileUseCount[strFile] == 0) + if (!mapFileUseCount.count(wallet.strWalletFile) || mapFileUseCount[wallet.strWalletFile] == 0) { // Flush log data to the dat file - CloseDb(strFile); + CloseDb(wallet.strWalletFile); dbenv.txn_checkpoint(0, 0, 0); - dbenv.lsn_reset(strFile.c_str(), 0); - mapFileUseCount.erase(strFile); + dbenv.lsn_reset(wallet.strWalletFile.c_str(), 0); + mapFileUseCount.erase(wallet.strWalletFile); // Copy wallet.dat - filesystem::path pathSrc(GetDataDir() + "/" + strFile); + filesystem::path pathSrc(GetDataDir() + "/" + wallet.strWalletFile); filesystem::path pathDest(strDest); if (filesystem::is_directory(pathDest)) - pathDest = pathDest / strFile; + pathDest = pathDest / wallet.strWalletFile; #if BOOST_VERSION >= 104000 filesystem::copy_file(pathSrc, pathDest, filesystem::copy_option::overwrite_if_exists); #else @@ -915,11 +1067,10 @@ void BackupWallet(const string& strDest) #endif printf("copied wallet.dat to %s\n", pathDest.string().c_str()); - return; + return true; } } Sleep(100); } + return false; } - -