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1205 lines
39 KiB
1205 lines
39 KiB
// Copyright (c) 2009-2010 Satoshi Nakamoto |
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// Copyright (c) 2009-2012 The Bitcoin developers |
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// Distributed under the MIT/X11 software license, see the accompanying |
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// file license.txt or http://www.opensource.org/licenses/mit-license.php. |
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#include "headers.h" |
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#include "db.h" |
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#include "net.h" |
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#include <boost/version.hpp> |
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#include <boost/filesystem.hpp> |
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#include <boost/filesystem/fstream.hpp> |
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using namespace std; |
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using namespace boost; |
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unsigned int nWalletDBUpdated; |
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uint64 nAccountingEntryNumber = 0; |
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// |
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// CDB |
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// |
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static CCriticalSection cs_db; |
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static bool fDbEnvInit = false; |
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DbEnv dbenv(0); |
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static map<string, int> mapFileUseCount; |
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static map<string, Db*> mapDb; |
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static void EnvShutdown() |
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{ |
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if (!fDbEnvInit) |
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return; |
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fDbEnvInit = false; |
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try |
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{ |
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dbenv.close(0); |
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} |
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catch (const DbException& e) |
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{ |
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printf("EnvShutdown exception: %s (%d)\n", e.what(), e.get_errno()); |
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} |
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DbEnv(0).remove(GetDataDir().c_str(), 0); |
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} |
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class CDBInit |
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{ |
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public: |
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CDBInit() |
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{ |
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} |
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~CDBInit() |
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{ |
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EnvShutdown(); |
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} |
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} |
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instance_of_cdbinit; |
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CDB::CDB(const char* pszFile, const char* pszMode) : pdb(NULL) |
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{ |
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int ret; |
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if (pszFile == NULL) |
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return; |
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fReadOnly = (!strchr(pszMode, '+') && !strchr(pszMode, 'w')); |
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bool fCreate = strchr(pszMode, 'c'); |
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unsigned int nFlags = DB_THREAD; |
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if (fCreate) |
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nFlags |= DB_CREATE; |
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CRITICAL_BLOCK(cs_db) |
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{ |
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if (!fDbEnvInit) |
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{ |
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if (fShutdown) |
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return; |
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string strDataDir = GetDataDir(); |
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string strLogDir = strDataDir + "/database"; |
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filesystem::create_directory(strLogDir.c_str()); |
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string strErrorFile = strDataDir + "/db.log"; |
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printf("dbenv.open strLogDir=%s strErrorFile=%s\n", strLogDir.c_str(), strErrorFile.c_str()); |
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int nDbCache = GetArg("-dbcache", 25); |
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dbenv.set_lg_dir(strLogDir.c_str()); |
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dbenv.set_cachesize(nDbCache / 1024, (nDbCache % 1024)*1048576, 1); |
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dbenv.set_lg_bsize(10485760); |
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dbenv.set_lg_max(104857600); |
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dbenv.set_lk_max_locks(10000); |
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dbenv.set_lk_max_objects(10000); |
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dbenv.set_errfile(fopen(strErrorFile.c_str(), "a")); /// debug |
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dbenv.set_flags(DB_AUTO_COMMIT, 1); |
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ret = dbenv.open(strDataDir.c_str(), |
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DB_CREATE | |
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DB_INIT_LOCK | |
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DB_INIT_LOG | |
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DB_INIT_MPOOL | |
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DB_INIT_TXN | |
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DB_THREAD | |
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DB_RECOVER, |
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S_IRUSR | S_IWUSR); |
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if (ret > 0) |
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throw runtime_error(strprintf("CDB() : error %d opening database environment", ret)); |
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fDbEnvInit = true; |
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} |
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strFile = pszFile; |
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++mapFileUseCount[strFile]; |
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pdb = mapDb[strFile]; |
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if (pdb == NULL) |
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{ |
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pdb = new Db(&dbenv, 0); |
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ret = pdb->open(NULL, // Txn pointer |
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pszFile, // Filename |
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"main", // Logical db name |
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DB_BTREE, // Database type |
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nFlags, // Flags |
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0); |
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if (ret > 0) |
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{ |
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delete pdb; |
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pdb = NULL; |
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CRITICAL_BLOCK(cs_db) |
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--mapFileUseCount[strFile]; |
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strFile = ""; |
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throw runtime_error(strprintf("CDB() : can't open database file %s, error %d", pszFile, ret)); |
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} |
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if (fCreate && !Exists(string("version"))) |
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{ |
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bool fTmp = fReadOnly; |
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fReadOnly = false; |
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WriteVersion(CLIENT_VERSION); |
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fReadOnly = fTmp; |
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} |
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mapDb[strFile] = pdb; |
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} |
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} |
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} |
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void CDB::Close() |
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{ |
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if (!pdb) |
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return; |
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if (!vTxn.empty()) |
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vTxn.front()->abort(); |
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vTxn.clear(); |
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pdb = NULL; |
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// Flush database activity from memory pool to disk log |
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unsigned int nMinutes = 0; |
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if (fReadOnly) |
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nMinutes = 1; |
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if (strFile == "addr.dat") |
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nMinutes = 2; |
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if (strFile == "blkindex.dat" && IsInitialBlockDownload() && nBestHeight % 5000 != 0) |
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nMinutes = 1; |
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dbenv.txn_checkpoint(0, nMinutes, 0); |
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CRITICAL_BLOCK(cs_db) |
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--mapFileUseCount[strFile]; |
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} |
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void static CloseDb(const string& strFile) |
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{ |
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CRITICAL_BLOCK(cs_db) |
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{ |
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if (mapDb[strFile] != NULL) |
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{ |
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// Close the database handle |
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Db* pdb = mapDb[strFile]; |
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pdb->close(0); |
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delete pdb; |
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mapDb[strFile] = NULL; |
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} |
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} |
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} |
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bool CDB::Rewrite(const string& strFile, const char* pszSkip) |
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{ |
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while (!fShutdown) |
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{ |
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CRITICAL_BLOCK(cs_db) |
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{ |
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if (!mapFileUseCount.count(strFile) || mapFileUseCount[strFile] == 0) |
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{ |
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// Flush log data to the dat file |
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CloseDb(strFile); |
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dbenv.txn_checkpoint(0, 0, 0); |
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dbenv.lsn_reset(strFile.c_str(), 0); |
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mapFileUseCount.erase(strFile); |
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bool fSuccess = true; |
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printf("Rewriting %s...\n", strFile.c_str()); |
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string strFileRes = strFile + ".rewrite"; |
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{ // surround usage of db with extra {} |
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CDB db(strFile.c_str(), "r"); |
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Db* pdbCopy = new Db(&dbenv, 0); |
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int ret = pdbCopy->open(NULL, // Txn pointer |
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strFileRes.c_str(), // Filename |
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"main", // Logical db name |
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DB_BTREE, // Database type |
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DB_CREATE, // Flags |
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0); |
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if (ret > 0) |
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{ |
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printf("Cannot create database file %s\n", strFileRes.c_str()); |
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fSuccess = false; |
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} |
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Dbc* pcursor = db.GetCursor(); |
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if (pcursor) |
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while (fSuccess) |
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{ |
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CDataStream ssKey; |
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CDataStream ssValue; |
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int ret = db.ReadAtCursor(pcursor, ssKey, ssValue, DB_NEXT); |
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if (ret == DB_NOTFOUND) |
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{ |
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pcursor->close(); |
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break; |
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} |
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else if (ret != 0) |
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{ |
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pcursor->close(); |
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fSuccess = false; |
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break; |
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} |
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if (pszSkip && |
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strncmp(&ssKey[0], pszSkip, std::min(ssKey.size(), strlen(pszSkip))) == 0) |
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continue; |
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if (strncmp(&ssKey[0], "\x07version", 8) == 0) |
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{ |
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// Update version: |
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ssValue.clear(); |
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ssValue << CLIENT_VERSION; |
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} |
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Dbt datKey(&ssKey[0], ssKey.size()); |
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Dbt datValue(&ssValue[0], ssValue.size()); |
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int ret2 = pdbCopy->put(NULL, &datKey, &datValue, DB_NOOVERWRITE); |
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if (ret2 > 0) |
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fSuccess = false; |
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} |
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if (fSuccess) |
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{ |
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db.Close(); |
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CloseDb(strFile); |
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if (pdbCopy->close(0)) |
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fSuccess = false; |
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delete pdbCopy; |
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} |
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} |
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if (fSuccess) |
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{ |
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Db dbA(&dbenv, 0); |
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if (dbA.remove(strFile.c_str(), NULL, 0)) |
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fSuccess = false; |
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Db dbB(&dbenv, 0); |
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if (dbB.rename(strFileRes.c_str(), NULL, strFile.c_str(), 0)) |
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fSuccess = false; |
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} |
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if (!fSuccess) |
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printf("Rewriting of %s FAILED!\n", strFileRes.c_str()); |
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return fSuccess; |
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} |
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} |
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Sleep(100); |
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} |
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return false; |
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} |
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void DBFlush(bool fShutdown) |
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{ |
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// Flush log data to the actual data file |
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// on all files that are not in use |
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printf("DBFlush(%s)%s\n", fShutdown ? "true" : "false", fDbEnvInit ? "" : " db not started"); |
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if (!fDbEnvInit) |
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return; |
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CRITICAL_BLOCK(cs_db) |
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{ |
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map<string, int>::iterator mi = mapFileUseCount.begin(); |
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while (mi != mapFileUseCount.end()) |
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{ |
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string strFile = (*mi).first; |
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int nRefCount = (*mi).second; |
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printf("%s refcount=%d\n", strFile.c_str(), nRefCount); |
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if (nRefCount == 0) |
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{ |
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// Move log data to the dat file |
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CloseDb(strFile); |
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dbenv.txn_checkpoint(0, 0, 0); |
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printf("%s flush\n", strFile.c_str()); |
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dbenv.lsn_reset(strFile.c_str(), 0); |
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mapFileUseCount.erase(mi++); |
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} |
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else |
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mi++; |
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} |
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if (fShutdown) |
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{ |
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char** listp; |
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if (mapFileUseCount.empty()) |
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{ |
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dbenv.log_archive(&listp, DB_ARCH_REMOVE); |
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EnvShutdown(); |
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} |
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} |
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} |
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} |
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// |
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// CTxDB |
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// |
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bool CTxDB::ReadTxIndex(uint256 hash, CTxIndex& txindex) |
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{ |
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assert(!fClient); |
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txindex.SetNull(); |
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return Read(make_pair(string("tx"), hash), txindex); |
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} |
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bool CTxDB::UpdateTxIndex(uint256 hash, const CTxIndex& txindex) |
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{ |
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assert(!fClient); |
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return Write(make_pair(string("tx"), hash), txindex); |
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} |
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bool CTxDB::AddTxIndex(const CTransaction& tx, const CDiskTxPos& pos, int nHeight) |
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{ |
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assert(!fClient); |
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// Add to tx index |
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uint256 hash = tx.GetHash(); |
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CTxIndex txindex(pos, tx.vout.size()); |
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return Write(make_pair(string("tx"), hash), txindex); |
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} |
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bool CTxDB::EraseTxIndex(const CTransaction& tx) |
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{ |
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assert(!fClient); |
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uint256 hash = tx.GetHash(); |
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return Erase(make_pair(string("tx"), hash)); |
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} |
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bool CTxDB::ContainsTx(uint256 hash) |
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{ |
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assert(!fClient); |
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return Exists(make_pair(string("tx"), hash)); |
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} |
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bool CTxDB::ReadOwnerTxes(uint160 hash160, int nMinHeight, vector<CTransaction>& vtx) |
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{ |
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assert(!fClient); |
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vtx.clear(); |
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// Get cursor |
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Dbc* pcursor = GetCursor(); |
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if (!pcursor) |
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return false; |
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unsigned int fFlags = DB_SET_RANGE; |
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loop |
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{ |
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// Read next record |
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CDataStream ssKey; |
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if (fFlags == DB_SET_RANGE) |
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ssKey << string("owner") << hash160 << CDiskTxPos(0, 0, 0); |
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CDataStream ssValue; |
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int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags); |
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fFlags = DB_NEXT; |
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if (ret == DB_NOTFOUND) |
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break; |
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else if (ret != 0) |
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{ |
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pcursor->close(); |
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return false; |
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} |
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// Unserialize |
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string strType; |
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uint160 hashItem; |
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CDiskTxPos pos; |
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ssKey >> strType >> hashItem >> pos; |
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int nItemHeight; |
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ssValue >> nItemHeight; |
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// Read transaction |
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if (strType != "owner" || hashItem != hash160) |
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break; |
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if (nItemHeight >= nMinHeight) |
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{ |
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vtx.resize(vtx.size()+1); |
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if (!vtx.back().ReadFromDisk(pos)) |
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{ |
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pcursor->close(); |
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return false; |
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} |
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} |
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} |
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pcursor->close(); |
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return true; |
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} |
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bool CTxDB::ReadDiskTx(uint256 hash, CTransaction& tx, CTxIndex& txindex) |
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{ |
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assert(!fClient); |
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tx.SetNull(); |
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if (!ReadTxIndex(hash, txindex)) |
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return false; |
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return (tx.ReadFromDisk(txindex.pos)); |
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} |
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bool CTxDB::ReadDiskTx(uint256 hash, CTransaction& tx) |
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{ |
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CTxIndex txindex; |
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return ReadDiskTx(hash, tx, txindex); |
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} |
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bool CTxDB::ReadDiskTx(COutPoint outpoint, CTransaction& tx, CTxIndex& txindex) |
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{ |
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return ReadDiskTx(outpoint.hash, tx, txindex); |
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} |
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bool CTxDB::ReadDiskTx(COutPoint outpoint, CTransaction& tx) |
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{ |
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CTxIndex txindex; |
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return ReadDiskTx(outpoint.hash, tx, txindex); |
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} |
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bool CTxDB::WriteBlockIndex(const CDiskBlockIndex& blockindex) |
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{ |
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return Write(make_pair(string("blockindex"), blockindex.GetBlockHash()), blockindex); |
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} |
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bool CTxDB::EraseBlockIndex(uint256 hash) |
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{ |
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return Erase(make_pair(string("blockindex"), hash)); |
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} |
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bool CTxDB::ReadHashBestChain(uint256& hashBestChain) |
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{ |
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return Read(string("hashBestChain"), hashBestChain); |
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} |
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bool CTxDB::WriteHashBestChain(uint256 hashBestChain) |
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{ |
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return Write(string("hashBestChain"), hashBestChain); |
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} |
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bool CTxDB::ReadBestInvalidWork(CBigNum& bnBestInvalidWork) |
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{ |
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return Read(string("bnBestInvalidWork"), bnBestInvalidWork); |
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} |
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bool CTxDB::WriteBestInvalidWork(CBigNum bnBestInvalidWork) |
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{ |
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return Write(string("bnBestInvalidWork"), bnBestInvalidWork); |
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} |
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CBlockIndex static * InsertBlockIndex(uint256 hash) |
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{ |
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if (hash == 0) |
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return NULL; |
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// Return existing |
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map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hash); |
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if (mi != mapBlockIndex.end()) |
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return (*mi).second; |
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// Create new |
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CBlockIndex* pindexNew = new CBlockIndex(); |
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if (!pindexNew) |
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throw runtime_error("LoadBlockIndex() : new CBlockIndex failed"); |
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mi = mapBlockIndex.insert(make_pair(hash, pindexNew)).first; |
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pindexNew->phashBlock = &((*mi).first); |
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return pindexNew; |
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} |
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bool CTxDB::LoadBlockIndex() |
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{ |
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// Get database cursor |
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Dbc* pcursor = GetCursor(); |
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if (!pcursor) |
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return false; |
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|
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// Load mapBlockIndex |
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unsigned int fFlags = DB_SET_RANGE; |
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loop |
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{ |
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// Read next record |
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CDataStream ssKey; |
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if (fFlags == DB_SET_RANGE) |
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ssKey << make_pair(string("blockindex"), uint256(0)); |
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CDataStream ssValue; |
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int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags); |
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fFlags = DB_NEXT; |
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if (ret == DB_NOTFOUND) |
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break; |
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else if (ret != 0) |
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return false; |
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|
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// Unserialize |
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string strType; |
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ssKey >> strType; |
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if (strType == "blockindex") |
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{ |
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CDiskBlockIndex diskindex; |
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ssValue >> diskindex; |
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|
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// Construct block index object |
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CBlockIndex* pindexNew = InsertBlockIndex(diskindex.GetBlockHash()); |
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pindexNew->pprev = InsertBlockIndex(diskindex.hashPrev); |
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pindexNew->pnext = InsertBlockIndex(diskindex.hashNext); |
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pindexNew->nFile = diskindex.nFile; |
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pindexNew->nBlockPos = diskindex.nBlockPos; |
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pindexNew->nHeight = diskindex.nHeight; |
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pindexNew->nVersion = diskindex.nVersion; |
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pindexNew->hashMerkleRoot = diskindex.hashMerkleRoot; |
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pindexNew->nTime = diskindex.nTime; |
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pindexNew->nBits = diskindex.nBits; |
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pindexNew->nNonce = diskindex.nNonce; |
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|
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// Watch for genesis block |
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if (pindexGenesisBlock == NULL && diskindex.GetBlockHash() == hashGenesisBlock) |
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pindexGenesisBlock = pindexNew; |
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|
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if (!pindexNew->CheckIndex()) |
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return error("LoadBlockIndex() : CheckIndex failed at %d", pindexNew->nHeight); |
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} |
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else |
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{ |
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break; |
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} |
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} |
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pcursor->close(); |
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|
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// Calculate bnChainWork |
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vector<pair<int, CBlockIndex*> > vSortedByHeight; |
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vSortedByHeight.reserve(mapBlockIndex.size()); |
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BOOST_FOREACH(const PAIRTYPE(uint256, CBlockIndex*)& item, mapBlockIndex) |
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{ |
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CBlockIndex* pindex = item.second; |
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vSortedByHeight.push_back(make_pair(pindex->nHeight, pindex)); |
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} |
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sort(vSortedByHeight.begin(), vSortedByHeight.end()); |
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BOOST_FOREACH(const PAIRTYPE(int, CBlockIndex*)& item, vSortedByHeight) |
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{ |
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CBlockIndex* pindex = item.second; |
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pindex->bnChainWork = (pindex->pprev ? pindex->pprev->bnChainWork : 0) + pindex->GetBlockWork(); |
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} |
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|
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// Load hashBestChain pointer to end of best chain |
|
if (!ReadHashBestChain(hashBestChain)) |
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{ |
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if (pindexGenesisBlock == NULL) |
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return true; |
|
return error("CTxDB::LoadBlockIndex() : hashBestChain not loaded"); |
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} |
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if (!mapBlockIndex.count(hashBestChain)) |
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return error("CTxDB::LoadBlockIndex() : hashBestChain not found in the block index"); |
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pindexBest = mapBlockIndex[hashBestChain]; |
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nBestHeight = pindexBest->nHeight; |
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bnBestChainWork = pindexBest->bnChainWork; |
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printf("LoadBlockIndex(): hashBestChain=%s height=%d\n", hashBestChain.ToString().substr(0,20).c_str(), nBestHeight); |
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|
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// Load bnBestInvalidWork, OK if it doesn't exist |
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ReadBestInvalidWork(bnBestInvalidWork); |
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|
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// Verify blocks in the best chain |
|
int nCheckLevel = GetArg("-checklevel", 1); |
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int nCheckDepth = GetArg( "-checkblocks", 2500); |
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if (nCheckDepth == 0) |
|
nCheckDepth = 1000000000; // suffices until the year 19000 |
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if (nCheckDepth > nBestHeight) |
|
nCheckDepth = nBestHeight; |
|
printf("Verifying last %i blocks at level %i\n", nCheckDepth, nCheckLevel); |
|
CBlockIndex* pindexFork = NULL; |
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map<pair<unsigned int, unsigned int>, CBlockIndex*> mapBlockPos; |
|
for (CBlockIndex* pindex = pindexBest; pindex && pindex->pprev; pindex = pindex->pprev) |
|
{ |
|
if (pindex->nHeight < nBestHeight-nCheckDepth) |
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break; |
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CBlock block; |
|
if (!block.ReadFromDisk(pindex)) |
|
return error("LoadBlockIndex() : block.ReadFromDisk failed"); |
|
// 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()); |
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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) |
|
{ |
|
// Reorg back to the fork |
|
printf("LoadBlockIndex() : *** moving best chain pointer back to block %d\n", pindexFork->nHeight); |
|
CBlock block; |
|
if (!block.ReadFromDisk(pindexFork)) |
|
return error("LoadBlockIndex() : block.ReadFromDisk failed"); |
|
CTxDB txdb; |
|
block.SetBestChain(txdb, pindexFork); |
|
} |
|
|
|
return true; |
|
} |
|
|
|
|
|
|
|
|
|
|
|
// |
|
// CAddrDB |
|
// |
|
|
|
bool CAddrDB::WriteAddrman(const CAddrMan& addrman) |
|
{ |
|
return Write(string("addrman"), addrman); |
|
} |
|
|
|
bool CAddrDB::LoadAddresses() |
|
{ |
|
bool fAddrMan = false; |
|
if (Read(string("addrman"), addrman)) |
|
{ |
|
printf("Loaded %i addresses\n", addrman.size()); |
|
fAddrMan = true; |
|
} |
|
|
|
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; |
|
|
|
// Unserialize |
|
string strType; |
|
ssKey >> strType; |
|
if (strType == "addr") |
|
{ |
|
if (fAddrMan) |
|
{ |
|
vector<unsigned char> vchKey; |
|
ssKey >> vchKey; |
|
vDelete.push_back(vchKey); |
|
} |
|
else |
|
{ |
|
CAddress addr; |
|
ssValue >> addr; |
|
vAddr.push_back(addr); |
|
} |
|
|
|
} |
|
} |
|
pcursor->close(); |
|
|
|
BOOST_FOREACH(const vector<unsigned char> &vchKey, vDelete) |
|
Erase(make_pair(string("addr"), vchKey)); |
|
|
|
if (!fAddrMan) |
|
{ |
|
addrman.Add(vAddr, CNetAddr("0.0.0.0")); |
|
printf("Loaded %i addresses\n", addrman.size()); |
|
} |
|
|
|
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<CAccountingEntry> 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<CAccountingEntry>& entries) |
|
{ |
|
bool fAllAccounts = (strAccount == "*"); |
|
|
|
Dbc* pcursor = GetCursor(); |
|
if (!pcursor) |
|
throw runtime_error("CWalletDB::ListAccountCreditDebit() : cannot create DB cursor"); |
|
unsigned int fFlags = DB_SET_RANGE; |
|
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; |
|
if (ret == DB_NOTFOUND) |
|
break; |
|
else if (ret != 0) |
|
{ |
|
pcursor->close(); |
|
throw runtime_error("CWalletDB::ListAccountCreditDebit() : error scanning DB"); |
|
} |
|
|
|
// 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<uint256> vWalletUpgrade; |
|
bool fIsEncrypted = false; |
|
|
|
//// 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 > CLIENT_VERSION) |
|
return DB_TOO_NEW; |
|
pwallet->LoadMinVersion(nMinVersion); |
|
} |
|
|
|
// Get cursor |
|
Dbc* pcursor = GetCursor(); |
|
if (!pcursor) |
|
{ |
|
printf("Error getting wallet database cursor\n"); |
|
return DB_CORRUPT; |
|
} |
|
|
|
loop |
|
{ |
|
// Read next record |
|
CDataStream ssKey; |
|
CDataStream ssValue; |
|
int ret = ReadAtCursor(pcursor, ssKey, ssValue); |
|
if (ret == DB_NOTFOUND) |
|
break; |
|
else if (ret != 0) |
|
{ |
|
printf("Error reading next record from wallet database\n"); |
|
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.BindWallet(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<unsigned char> vchPubKey; |
|
ssKey >> vchPubKey; |
|
CKey key; |
|
if (strType == "key") |
|
{ |
|
CPrivKey pkey; |
|
ssValue >> pkey; |
|
key.SetPubKey(vchPubKey); |
|
key.SetPrivKey(pkey); |
|
if (key.GetPubKey() != vchPubKey) |
|
{ |
|
printf("Error reading wallet database: CPrivKey pubkey inconsistency\n"); |
|
return DB_CORRUPT; |
|
} |
|
if (!key.IsValid()) |
|
{ |
|
printf("Error reading wallet database: invalid CPrivKey\n"); |
|
return DB_CORRUPT; |
|
} |
|
} |
|
else |
|
{ |
|
CWalletKey wkey; |
|
ssValue >> wkey; |
|
key.SetPubKey(vchPubKey); |
|
key.SetPrivKey(wkey.vchPrivKey); |
|
if (key.GetPubKey() != vchPubKey) |
|
{ |
|
printf("Error reading wallet database: CWalletKey pubkey inconsistency\n"); |
|
return DB_CORRUPT; |
|
} |
|
if (!key.IsValid()) |
|
{ |
|
printf("Error reading wallet database: invalid CWalletKey\n"); |
|
return DB_CORRUPT; |
|
} |
|
} |
|
if (!pwallet->LoadKey(key)) |
|
{ |
|
printf("Error reading wallet database: LoadKey failed\n"); |
|
return DB_CORRUPT; |
|
} |
|
} |
|
else if (strType == "mkey") |
|
{ |
|
unsigned int nID; |
|
ssKey >> nID; |
|
CMasterKey kMasterKey; |
|
ssValue >> kMasterKey; |
|
if(pwallet->mapMasterKeys.count(nID) != 0) |
|
{ |
|
printf("Error reading wallet database: duplicate CMasterKey id %u\n", nID); |
|
return DB_CORRUPT; |
|
} |
|
pwallet->mapMasterKeys[nID] = kMasterKey; |
|
if (pwallet->nMasterKeyMaxID < nID) |
|
pwallet->nMasterKeyMaxID = nID; |
|
} |
|
else if (strType == "ckey") |
|
{ |
|
vector<unsigned char> vchPubKey; |
|
ssKey >> vchPubKey; |
|
vector<unsigned char> vchPrivKey; |
|
ssValue >> vchPrivKey; |
|
if (!pwallet->LoadCryptedKey(vchPubKey, vchPrivKey)) |
|
{ |
|
printf("Error reading wallet database: LoadCryptedKey failed\n"); |
|
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 == "cscript") |
|
{ |
|
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(); |
|
} |
|
|
|
BOOST_FOREACH(uint256 hash, vWalletUpgrade) |
|
WriteTx(hash, pwallet->mapWallet[hash]); |
|
|
|
printf("nFileVersion = %d\n", nFileVersion); |
|
|
|
|
|
// 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(CLIENT_VERSION); |
|
} |
|
|
|
return DB_LOAD_OK; |
|
} |
|
|
|
void ThreadFlushWalletDB(void* parg) |
|
{ |
|
const string& strFile = ((const string*)parg)[0]; |
|
static bool fOneThread; |
|
if (fOneThread) |
|
return; |
|
fOneThread = true; |
|
if (!GetBoolArg("-flushwallet", true)) |
|
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<string, int>::iterator mi = mapFileUseCount.begin(); |
|
while (mi != mapFileUseCount.end()) |
|
{ |
|
nRefCount += (*mi).second; |
|
mi++; |
|
} |
|
|
|
if (nRefCount == 0 && !fShutdown) |
|
{ |
|
map<string, int>::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); |
|
} |
|
} |
|
} |
|
} |
|
} |
|
} |
|
|
|
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; |
|
|
|
try { |
|
#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; |
|
} 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); |
|
} |
|
return false; |
|
}
|
|
|