53d508072b
better error dialog box if try to spend already spent coins, got rid of unused notebook with only one tab on main dialog, nicer looking About dialog, resize About dialog better on linux git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@55 1a98c847-1fd6-4fd8-948a-caf3550aa51b
761 lines
22 KiB
C++
761 lines
22 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
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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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void ThreadFlushWalletDB(void* parg);
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unsigned int nWalletDBUpdated;
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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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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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if (fDbEnvInit)
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{
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dbenv.close(0);
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fDbEnvInit = false;
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}
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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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_mkdir(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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dbenv.set_lg_dir(strLogDir.c_str());
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dbenv.set_lg_max(10000000);
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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_PRIVATE |
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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\n", 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\n", 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(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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dbenv.txn_checkpoint(0, 0, 0);
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CRITICAL_BLOCK(cs_db)
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--mapFileUseCount[strFile];
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}
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void 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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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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dbenv.log_archive(&listp, DB_ARCH_REMOVE);
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dbenv.close(0);
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fDbEnvInit = false;
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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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CBlockIndex* 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 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 << 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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// 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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// 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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// Watch for genesis block and best 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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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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if (!ReadHashBestChain(hashBestChain))
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{
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if (pindexGenesisBlock == NULL)
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return true;
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return error("CTxDB::LoadBlockIndex() : hashBestChain not found");
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}
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if (!mapBlockIndex.count(hashBestChain))
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return error("CTxDB::LoadBlockIndex() : blockindex for hashBestChain not found");
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pindexBest = mapBlockIndex[hashBestChain];
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nBestHeight = pindexBest->nHeight;
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printf("LoadBlockIndex(): hashBestChain=%s height=%d\n", hashBestChain.ToString().substr(0,16).c_str(), nBestHeight);
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return true;
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}
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//
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// CAddrDB
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//
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bool CAddrDB::WriteAddress(const CAddress& addr)
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{
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return Write(make_pair(string("addr"), addr.GetKey()), addr);
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}
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bool CAddrDB::LoadAddresses()
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{
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CRITICAL_BLOCK(cs_mapAddresses)
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{
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// Load user provided addresses
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CAutoFile filein = fopen((GetDataDir() + "/addr.txt").c_str(), "rt");
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if (filein)
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{
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try
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{
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char psz[1000];
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while (fgets(psz, sizeof(psz), filein))
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{
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CAddress addr(psz, NODE_NETWORK);
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addr.nTime = 0; // so it won't relay unless successfully connected
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if (addr.IsValid())
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AddAddress(addr);
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}
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}
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catch (...) { }
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}
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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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loop
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{
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// Read next record
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CDataStream ssKey;
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CDataStream ssValue;
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int ret = ReadAtCursor(pcursor, ssKey, ssValue);
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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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// Unserialize
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string strType;
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ssKey >> strType;
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if (strType == "addr")
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{
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CAddress addr;
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ssValue >> addr;
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mapAddresses.insert(make_pair(addr.GetKey(), addr));
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}
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}
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pcursor->close();
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printf("Loaded %d addresses\n", mapAddresses.size());
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// Fix for possible bug that manifests in mapAddresses.count in irc.cpp,
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// just need to call count here and it doesn't happen there. The bug was the
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// pack pragma in irc.cpp and has been fixed, but I'm not in a hurry to delete this.
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mapAddresses.count(vector<unsigned char>(18));
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}
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return true;
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}
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bool LoadAddresses()
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{
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return CAddrDB("cr+").LoadAddresses();
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}
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//
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// CReviewDB
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//
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bool CReviewDB::ReadReviews(uint256 hash, vector<CReview>& vReviews)
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{
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vReviews.size(); // msvc workaround, just need to do anything with vReviews
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return Read(make_pair(string("reviews"), hash), vReviews);
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}
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bool CReviewDB::WriteReviews(uint256 hash, const vector<CReview>& vReviews)
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{
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return Write(make_pair(string("reviews"), hash), vReviews);
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}
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//
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// CWalletDB
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//
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bool CWalletDB::LoadWallet(vector<unsigned char>& vchDefaultKeyRet)
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{
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vchDefaultKeyRet.clear();
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int nFileVersion = 0;
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// Modify defaults
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#ifndef __WXMSW__
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// Tray icon sometimes disappears on 9.10 karmic koala 64-bit, leaving no way to access the program
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fMinimizeToTray = false;
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fMinimizeOnClose = false;
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#endif
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//// todo: shouldn't we catch exceptions and try to recover and continue?
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CRITICAL_BLOCK(cs_mapKeys)
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CRITICAL_BLOCK(cs_mapWallet)
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{
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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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loop
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{
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// Read next record
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CDataStream ssKey;
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CDataStream ssValue;
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int ret = ReadAtCursor(pcursor, ssKey, ssValue);
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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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// Unserialize
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// Taking advantage of the fact that pair serialization
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// is just the two items serialized one after the other
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string strType;
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ssKey >> strType;
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if (strType == "name")
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{
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string strAddress;
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ssKey >> strAddress;
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ssValue >> mapAddressBook[strAddress];
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}
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|
else if (strType == "tx")
|
|
{
|
|
uint256 hash;
|
|
ssKey >> hash;
|
|
CWalletTx& wtx = mapWallet[hash];
|
|
ssValue >> wtx;
|
|
|
|
if (wtx.GetHash() != hash)
|
|
printf("Error in wallet.dat, hash mismatch\n");
|
|
|
|
//// 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.nTime).c_str(),
|
|
// wtx.hashBlock.ToString().substr(0,16).c_str(),
|
|
// wtx.mapValue["message"].c_str());
|
|
}
|
|
else if (strType == "key" || strType == "wkey")
|
|
{
|
|
vector<unsigned char> vchPubKey;
|
|
ssKey >> vchPubKey;
|
|
CWalletKey wkey;
|
|
if (strType == "key")
|
|
ssValue >> wkey.vchPrivKey;
|
|
else
|
|
ssValue >> wkey;
|
|
|
|
mapKeys[vchPubKey] = wkey.vchPrivKey;
|
|
mapPubKeys[Hash160(vchPubKey)] = vchPubKey;
|
|
}
|
|
else if (strType == "defaultkey")
|
|
{
|
|
ssValue >> vchDefaultKeyRet;
|
|
}
|
|
else if (strType == "version")
|
|
{
|
|
ssValue >> nFileVersion;
|
|
}
|
|
else if (strType == "setting")
|
|
{
|
|
string strKey;
|
|
ssKey >> strKey;
|
|
|
|
// Menu state
|
|
if (strKey == "fShowGenerated") ssValue >> fShowGenerated;
|
|
if (strKey == "fGenerateBitcoins") ssValue >> fGenerateBitcoins;
|
|
|
|
// Options
|
|
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;
|
|
if (strKey == "fMinimizeOnClose") ssValue >> fMinimizeOnClose;
|
|
if (strKey == "fUseProxy") ssValue >> fUseProxy;
|
|
if (strKey == "addrProxy") ssValue >> addrProxy;
|
|
|
|
}
|
|
}
|
|
pcursor->close();
|
|
}
|
|
|
|
printf("nFileVersion = %d\n", nFileVersion);
|
|
printf("fShowGenerated = %d\n", fShowGenerated);
|
|
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);
|
|
printf("addrProxy = %s\n", addrProxy.ToString().c_str());
|
|
|
|
|
|
// The transaction fee setting won't be needed for many years to come.
|
|
// Setting it to zero here in case they set it to something in an earlier version.
|
|
if (nTransactionFee != 0)
|
|
{
|
|
nTransactionFee = 0;
|
|
WriteSetting("nTransactionFee", nTransactionFee);
|
|
}
|
|
|
|
// Upgrade
|
|
if (nFileVersion < VERSION)
|
|
{
|
|
// Get rid of old debug.log file in current directory
|
|
if (nFileVersion <= 105 && !pszSetDataDir[0])
|
|
unlink("debug.log");
|
|
|
|
WriteVersion(VERSION);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool LoadWallet(bool& fFirstRunRet)
|
|
{
|
|
fFirstRunRet = false;
|
|
vector<unsigned char> vchDefaultKey;
|
|
if (!CWalletDB("cr+").LoadWallet(vchDefaultKey))
|
|
return false;
|
|
fFirstRunRet = vchDefaultKey.empty();
|
|
|
|
if (mapKeys.count(vchDefaultKey))
|
|
{
|
|
// Set keyUser
|
|
keyUser.SetPubKey(vchDefaultKey);
|
|
keyUser.SetPrivKey(mapKeys[vchDefaultKey]);
|
|
}
|
|
else
|
|
{
|
|
// Create new keyUser and set as default key
|
|
RandAddSeedPerfmon();
|
|
keyUser.MakeNewKey();
|
|
if (!AddKey(keyUser))
|
|
return false;
|
|
if (!SetAddressBookName(PubKeyToAddress(keyUser.GetPubKey()), "Your Address"))
|
|
return false;
|
|
CWalletDB().WriteDefaultKey(keyUser.GetPubKey());
|
|
}
|
|
|
|
CreateThread(ThreadFlushWalletDB, NULL);
|
|
return true;
|
|
}
|
|
|
|
void ThreadFlushWalletDB(void* parg)
|
|
{
|
|
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<string, int>::iterator mi = mapFileUseCount.begin();
|
|
while (mi != mapFileUseCount.end())
|
|
{
|
|
nRefCount += (*mi).second;
|
|
mi++;
|
|
}
|
|
|
|
if (nRefCount == 0 && !fShutdown)
|
|
{
|
|
string strFile = "wallet.dat";
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|