diff options
Diffstat (limited to 'src/db.cpp')
| -rw-r--r-- | src/db.cpp | 271 |
1 files changed, 190 insertions, 81 deletions
diff --git a/src/db.cpp b/src/db.cpp index d615e46862..6c5e7918c8 100644 --- a/src/db.cpp +++ b/src/db.cpp @@ -6,6 +6,7 @@ #include "headers.h" #include "db.h" #include "net.h" +#include <boost/version.hpp> #include <boost/filesystem.hpp> #include <boost/filesystem/fstream.hpp> @@ -27,6 +28,7 @@ static bool fDbEnvInit = false; DbEnv dbenv(0); static map<string, int> mapFileUseCount; static map<string, Db*> mapDb; +static int64 nTxn = 0; static void EnvShutdown() { @@ -83,12 +85,16 @@ CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL) string strErrorFile = strDataDir + "/db.log"; printf("dbenv.open strLogDir=%s strErrorFile=%s\n", strLogDir.c_str(), strErrorFile.c_str()); + int nDbCache = GetArg("-dbcache", 25); dbenv.set_lg_dir(strLogDir.c_str()); - dbenv.set_lg_max(10000000); + 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_flags(DB_AUTO_COMMIT, 1); + dbenv.log_set_config(DB_LOG_AUTO_REMOVE, 1); ret = dbenv.open(strDataDir.c_str(), DB_CREATE | DB_INIT_LOCK | @@ -131,7 +137,7 @@ CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL) { bool fTmp = fReadOnly; fReadOnly = false; - WriteVersion(VERSION); + WriteVersion(CLIENT_VERSION); fReadOnly = fTmp; } @@ -155,8 +161,15 @@ void CDB::Close() nMinutes = 1; if (strFile == "addr.dat") nMinutes = 2; - if (strFile == "blkindex.dat" && IsInitialBlockDownload() && nBestHeight % 500 != 0) - nMinutes = 1; + if (strFile == "blkindex.dat" && IsInitialBlockDownload()) + nMinutes = 5; + + if (nMinutes == 0 || nTxn > 200000) + { + nTxn = 0; + nMinutes = 0; + } + dbenv.txn_checkpoint(0, nMinutes, 0); CRITICAL_BLOCK(cs_db) @@ -236,7 +249,7 @@ 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()); @@ -331,6 +344,7 @@ bool CTxDB::ReadTxIndex(uint256 hash, CTxIndex& txindex) bool CTxDB::UpdateTxIndex(uint256 hash, const CTxIndex& txindex) { assert(!fClient); + nTxn++; return Write(make_pair(string("tx"), hash), txindex); } @@ -341,6 +355,7 @@ bool CTxDB::AddTxIndex(const CTransaction& tx, const CDiskTxPos& pos, int nHeigh // Add to tx index uint256 hash = tx.GetHash(); CTxIndex txindex(pos, tx.vout.size()); + nTxn++; return Write(make_pair(string("tx"), hash), txindex); } @@ -591,19 +606,118 @@ bool CTxDB::LoadBlockIndex() ReadBestInvalidWork(bnBestInvalidWork); // 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<pair<unsigned int, unsigned int>, 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<unsigned int, unsigned int> 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 + int nOutput = 0; + if (nCheckLevel>3) + { + BOOST_FOREACH(const CDiskTxPos &txpos, txindex.vSpent) + { + if (!txpos.IsNull()) + { + pair<unsigned int, unsigned int> 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) { @@ -627,50 +741,58 @@ 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) + printf("Loaded %i addresses\n", addrman.size()); + return true; + } + + // Read pre-0.6 addr records + + vector<CAddress> vAddr; + vector<vector<unsigned char> > vDelete; + + // 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; - loop + // Unserialize + string strType; + ssKey >> strType; + 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 false; - - // Unserialize - string strType; - ssKey >> strType; - if (strType == "addr") - { - CAddress addr; - ssValue >> addr; - mapAddresses.insert(make_pair(addr.GetKey(), addr)); - } + CAddress addr; + ssValue >> addr; + vAddr.push_back(addr); } - pcursor->close(); - - printf("Loaded %d addresses\n", mapAddresses.size()); } + pcursor->close(); + + addrman.Add(vAddr, CNetAddr("0.0.0.0")); + printf("Loaded %i addresses\n", addrman.size()); + + // Note: old records left; we ran into hangs-on-startup + // bugs for some users who (we think) were running after + // an unclean shutdown. return true; } @@ -779,21 +901,15 @@ int CWalletDB::LoadWallet(CWallet* pwallet) vector<uint256> 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) { int nMinVersion = 0; if (Read((string)"minversion", nMinVersion)) { - if (nMinVersion > VERSION) + if (nMinVersion > CLIENT_VERSION) return DB_TOO_NEW; + pwallet->LoadMinVersion(nMinVersion); } // Get cursor @@ -835,7 +951,7 @@ int CWalletDB::LoadWallet(CWallet* pwallet) ssKey >> hash; CWalletTx& wtx = pwallet->mapWallet[hash]; ssValue >> wtx; - wtx.pwallet = pwallet; + wtx.BindWallet(pwallet); if (wtx.GetHash() != hash) printf("Error in wallet.dat, hash mismatch\n"); @@ -885,6 +1001,7 @@ int CWalletDB::LoadWallet(CWallet* pwallet) { CPrivKey pkey; ssValue >> pkey; + key.SetPubKey(vchPubKey); key.SetPrivKey(pkey); if (key.GetPubKey() != vchPubKey) { @@ -901,6 +1018,7 @@ int CWalletDB::LoadWallet(CWallet* pwallet) { CWalletKey wkey; ssValue >> wkey; + key.SetPubKey(vchPubKey); key.SetPrivKey(wkey.vchPrivKey); if (key.GetPubKey() != vchPubKey) { @@ -963,23 +1081,17 @@ int CWalletDB::LoadWallet(CWallet* pwallet) if (nFileVersion == 10300) nFileVersion = 300; } - else if (strType == "setting") + else if (strType == "cscript") { - 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; + uint160 hash; + ssKey >> hash; + CScript script; + ssValue >> script; + if (!pwallet->LoadCScript(script)) + { + printf("Error reading wallet database: LoadCScript failed\n"); + return DB_CORRUPT; + } } } pcursor->close(); @@ -989,27 +1101,19 @@ int CWalletDB::LoadWallet(CWallet* pwallet) 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; - if (nFileVersion < VERSION) // Update + 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 DB_LOAD_OK; @@ -1022,7 +1126,7 @@ void ThreadFlushWalletDB(void* parg) if (fOneThread) return; fOneThread = true; - if (mapArgs.count("-noflushwallet")) + if (!GetBoolArg("-flushwallet", true)) return; unsigned int nLastSeen = nWalletDBUpdated; @@ -1096,14 +1200,19 @@ bool BackupWallet(const CWallet& wallet, const string& strDest) filesystem::path pathDest(strDest); if (filesystem::is_directory(pathDest)) pathDest = pathDest / wallet.strWalletFile; + + try { #if BOOST_VERSION >= 104000 - filesystem::copy_file(pathSrc, pathDest, filesystem::copy_option::overwrite_if_exists); + filesystem::copy_file(pathSrc, pathDest, filesystem::copy_option::overwrite_if_exists); #else - filesystem::copy_file(pathSrc, pathDest); + filesystem::copy_file(pathSrc, pathDest); #endif - printf("copied wallet.dat to %s\n", pathDest.string().c_str()); - - return true; + printf("copied wallet.dat to %s\n", pathDest.string().c_str()); + return true; + } catch(const filesystem::filesystem_error &e) { + printf("error copying wallet.dat to %s - %s\n", pathDest.string().c_str(), e.what()); + return false; + } } } Sleep(100); |