103849419a
git-svn-id: https://bitcoin.svn.sourceforge.net/svnroot/bitcoin/trunk@163 1a98c847-1fd6-4fd8-948a-caf3550aa51b
903 lines
26 KiB
C++
903 lines
26 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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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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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_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(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 (strFile == "addr.dat")
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nMinutes = 2;
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if (strFile == "blkindex.dat" && IsInitialBlockDownload() && nBestHeight % 500 != 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 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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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* 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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// 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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// 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
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if (pindexGenesisBlock == NULL && diskindex.GetBlockHash() == hashGenesisBlock)
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pindexGenesisBlock = pindexNew;
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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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// Calculate bnChainWork
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vector<pair<int, CBlockIndex*> > vSortedByHeight;
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vSortedByHeight.reserve(mapBlockIndex.size());
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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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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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// Load hashBestChain pointer to end of best chain
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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 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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// Load bnBestInvalidWork, OK if it doesn't exist
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ReadBestInvalidWork(bnBestInvalidWork);
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// Verify blocks in the best chain
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CBlockIndex* pindexFork = NULL;
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for (CBlockIndex* pindex = pindexBest; pindex && pindex->pprev; pindex = pindex->pprev)
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{
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if (pindex->nHeight < nBestHeight-2500 && !mapArgs.count("-checkblocks"))
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break;
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CBlock block;
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if (!block.ReadFromDisk(pindex))
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return error("LoadBlockIndex() : block.ReadFromDisk failed");
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if (!block.CheckBlock())
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{
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printf("LoadBlockIndex() : *** found bad block at %d, hash=%s\n", pindex->nHeight, pindex->GetBlockHash().ToString().c_str());
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pindexFork = pindex->pprev;
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}
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}
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if (pindexFork)
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{
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// Reorg back to the fork
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printf("LoadBlockIndex() : *** moving best chain pointer back to block %d\n", pindexFork->nHeight);
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CBlock block;
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if (!block.ReadFromDisk(pindexFork))
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return error("LoadBlockIndex() : block.ReadFromDisk failed");
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CTxDB txdb;
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block.SetBestChain(txdb, pindexFork);
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}
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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,
|
|
// just need to call count here and it doesn't happen there. The bug was the
|
|
// pack pragma in irc.cpp and has been fixed, but I'm not in a hurry to delete this.
|
|
mapAddresses.count(vector<unsigned char>(18));
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool LoadAddresses()
|
|
{
|
|
return CAddrDB("cr+").LoadAddresses();
|
|
}
|
|
|
|
|
|
|
|
|
|
//
|
|
// CWalletDB
|
|
//
|
|
|
|
static set<int64> setKeyPool;
|
|
static CCriticalSection cs_setKeyPool;
|
|
|
|
bool CWalletDB::LoadWallet()
|
|
{
|
|
vchDefaultKey.clear();
|
|
int nFileVersion = 0;
|
|
|
|
// Modify defaults
|
|
#ifndef __WXMSW__
|
|
// Tray icon sometimes disappears on 9.10 karmic koala 64-bit, leaving no way to access the program
|
|
fMinimizeToTray = false;
|
|
fMinimizeOnClose = false;
|
|
#endif
|
|
|
|
//// todo: shouldn't we catch exceptions and try to recover and continue?
|
|
CRITICAL_BLOCK(cs_mapKeys)
|
|
CRITICAL_BLOCK(cs_mapWallet)
|
|
{
|
|
// 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
|
|
// 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 >> mapAddressBook[strAddress];
|
|
}
|
|
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.GetBlockTime()).c_str(),
|
|
// wtx.hashBlock.ToString().substr(0,20).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 >> vchDefaultKey;
|
|
}
|
|
else if (strType == "pool")
|
|
{
|
|
int64 nIndex;
|
|
ssKey >> nIndex;
|
|
setKeyPool.insert(nIndex);
|
|
}
|
|
else if (strType == "version")
|
|
{
|
|
ssValue >> nFileVersion;
|
|
if (nFileVersion == 10300)
|
|
nFileVersion = 300;
|
|
}
|
|
else if (strType == "setting")
|
|
{
|
|
string strKey;
|
|
ssKey >> strKey;
|
|
|
|
// Menu state
|
|
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("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;
|
|
if (!CWalletDB("cr+").LoadWallet())
|
|
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);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void BackupWallet(const string& strDest)
|
|
{
|
|
while (!fShutdown)
|
|
{
|
|
CRITICAL_BLOCK(cs_db)
|
|
{
|
|
const string strFile = "wallet.dat";
|
|
if (!mapFileUseCount.count(strFile) || mapFileUseCount[strFile] == 0)
|
|
{
|
|
// Flush log data to the dat file
|
|
CloseDb(strFile);
|
|
dbenv.txn_checkpoint(0, 0, 0);
|
|
dbenv.lsn_reset(strFile.c_str(), 0);
|
|
mapFileUseCount.erase(strFile);
|
|
|
|
// Copy wallet.dat
|
|
filesystem::path pathSrc(GetDataDir() + "/" + strFile);
|
|
filesystem::path pathDest(strDest);
|
|
if (filesystem::is_directory(pathDest))
|
|
pathDest = pathDest / strFile;
|
|
#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;
|
|
}
|
|
}
|
|
Sleep(100);
|
|
}
|
|
}
|
|
|
|
void CWalletDB::ReserveKeyFromKeyPool(int64& nIndex, CKeyPool& keypool)
|
|
{
|
|
nIndex = -1;
|
|
keypool.vchPubKey.clear();
|
|
CRITICAL_BLOCK(cs_setKeyPool)
|
|
{
|
|
// Top up key pool
|
|
int64 nTargetSize = max(GetArg("-keypool", 100), (int64)0);
|
|
while (setKeyPool.size() < nTargetSize+1)
|
|
{
|
|
int64 nEnd = 1;
|
|
if (!setKeyPool.empty())
|
|
nEnd = *(--setKeyPool.end()) + 1;
|
|
if (!Write(make_pair(string("pool"), nEnd), CKeyPool(GenerateNewKey())))
|
|
throw runtime_error("ReserveKeyFromKeyPool() : writing generated key failed");
|
|
setKeyPool.insert(nEnd);
|
|
printf("keypool added key %"PRI64d", size=%d\n", nEnd, setKeyPool.size());
|
|
}
|
|
|
|
// Get the oldest key
|
|
assert(!setKeyPool.empty());
|
|
nIndex = *(setKeyPool.begin());
|
|
setKeyPool.erase(setKeyPool.begin());
|
|
if (!Read(make_pair(string("pool"), nIndex), keypool))
|
|
throw runtime_error("ReserveKeyFromKeyPool() : read failed");
|
|
if (!mapKeys.count(keypool.vchPubKey))
|
|
throw runtime_error("ReserveKeyFromKeyPool() : unknown key in key pool");
|
|
assert(!keypool.vchPubKey.empty());
|
|
printf("keypool reserve %"PRI64d"\n", nIndex);
|
|
}
|
|
}
|
|
|
|
void CWalletDB::KeepKey(int64 nIndex)
|
|
{
|
|
// Remove from key pool
|
|
Erase(make_pair(string("pool"), nIndex));
|
|
printf("keypool keep %"PRI64d"\n", nIndex);
|
|
}
|
|
|
|
void CWalletDB::ReturnKey(int64 nIndex)
|
|
{
|
|
// Return to key pool
|
|
CRITICAL_BLOCK(cs_setKeyPool)
|
|
setKeyPool.insert(nIndex);
|
|
printf("keypool return %"PRI64d"\n", nIndex);
|
|
}
|
|
|
|
vector<unsigned char> CWalletDB::GetKeyFromKeyPool()
|
|
{
|
|
int64 nIndex = 0;
|
|
CKeyPool keypool;
|
|
ReserveKeyFromKeyPool(nIndex, keypool);
|
|
KeepKey(nIndex);
|
|
return keypool.vchPubKey;
|
|
}
|