// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2011 The Bitcoin developers
+// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#include "headers.h"
#include "db.h"
#include "net.h"
+#include <boost/version.hpp>
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
static map<string, int> mapFileUseCount;
static map<string, Db*> mapDb;
+static void EnvShutdown()
+{
+ if (!fDbEnvInit)
+ return;
+
+ fDbEnvInit = false;
+ try
+ {
+ dbenv.close(0);
+ }
+ catch (const DbException& e)
+ {
+ printf("EnvShutdown exception: %s (%d)\n", e.what(), e.get_errno());
+ }
+ DbEnv(0).remove(GetDataDir().c_str(), 0);
+}
+
class CDBInit
{
public:
}
~CDBInit()
{
- if (fDbEnvInit)
- {
- dbenv.close(0);
- fDbEnvInit = false;
- }
+ EnvShutdown();
}
}
instance_of_cdbinit;
{
bool fTmp = fReadOnly;
fReadOnly = false;
- WriteVersion(VERSION);
+ WriteVersion(CLIENT_VERSION);
fReadOnly = fTmp;
}
}
}
+bool CDB::Rewrite(const string& strFile, const char* pszSkip)
+{
+ while (!fShutdown)
+ {
+ CRITICAL_BLOCK(cs_db)
+ {
+ if (!mapFileUseCount.count(strFile) || mapFileUseCount[strFile] == 0)
+ {
+ // Flush log data to the dat file
+ CloseDb(strFile);
+ dbenv.txn_checkpoint(0, 0, 0);
+ dbenv.lsn_reset(strFile.c_str(), 0);
+ mapFileUseCount.erase(strFile);
+
+ bool fSuccess = true;
+ printf("Rewriting %s...\n", strFile.c_str());
+ string strFileRes = strFile + ".rewrite";
+ { // surround usage of db with extra {}
+ CDB db(strFile.c_str(), "r");
+ Db* pdbCopy = new Db(&dbenv, 0);
+
+ int ret = pdbCopy->open(NULL, // Txn pointer
+ strFileRes.c_str(), // Filename
+ "main", // Logical db name
+ DB_BTREE, // Database type
+ DB_CREATE, // Flags
+ 0);
+ if (ret > 0)
+ {
+ printf("Cannot create database file %s\n", strFileRes.c_str());
+ fSuccess = false;
+ }
+
+ Dbc* pcursor = db.GetCursor();
+ if (pcursor)
+ while (fSuccess)
+ {
+ CDataStream ssKey;
+ CDataStream ssValue;
+ int ret = db.ReadAtCursor(pcursor, ssKey, ssValue, DB_NEXT);
+ if (ret == DB_NOTFOUND)
+ {
+ pcursor->close();
+ break;
+ }
+ else if (ret != 0)
+ {
+ pcursor->close();
+ fSuccess = false;
+ break;
+ }
+ if (pszSkip &&
+ strncmp(&ssKey[0], pszSkip, std::min(ssKey.size(), strlen(pszSkip))) == 0)
+ continue;
+ if (strncmp(&ssKey[0], "\x07version", 8) == 0)
+ {
+ // Update version:
+ ssValue.clear();
+ ssValue << CLIENT_VERSION;
+ }
+ Dbt datKey(&ssKey[0], ssKey.size());
+ Dbt datValue(&ssValue[0], ssValue.size());
+ int ret2 = pdbCopy->put(NULL, &datKey, &datValue, DB_NOOVERWRITE);
+ if (ret2 > 0)
+ fSuccess = false;
+ }
+ if (fSuccess)
+ {
+ db.Close();
+ CloseDb(strFile);
+ if (pdbCopy->close(0))
+ fSuccess = false;
+ delete pdbCopy;
+ }
+ }
+ if (fSuccess)
+ {
+ Db dbA(&dbenv, 0);
+ if (dbA.remove(strFile.c_str(), NULL, 0))
+ fSuccess = false;
+ Db dbB(&dbenv, 0);
+ if (dbB.rename(strFileRes.c_str(), NULL, strFile.c_str(), 0))
+ fSuccess = false;
+ }
+ if (!fSuccess)
+ printf("Rewriting of %s FAILED!\n", strFileRes.c_str());
+ return fSuccess;
+ }
+ }
+ Sleep(100);
+ }
+ return false;
+}
+
+
void DBFlush(bool fShutdown)
{
// Flush log data to the actual data file
{
char** listp;
if (mapFileUseCount.empty())
+ {
dbenv.log_archive(&listp, DB_ARCH_REMOVE);
- dbenv.close(0);
- fDbEnvInit = false;
+ EnvShutdown();
+ }
}
}
}
pwallet->vchDefaultKey.clear();
int nFileVersion = 0;
vector<uint256> vWalletUpgrade;
+ bool fIsEncrypted = false;
// Modify defaults
#ifndef WIN32
ssKey >> hash;
CWalletTx& wtx = pwallet->mapWallet[hash];
ssValue >> wtx;
- wtx.pwallet = pwallet;
+ wtx.BindWallet(pwallet);
if (wtx.GetHash() != hash)
printf("Error in wallet.dat, hash mismatch\n");
{
CPrivKey pkey;
ssValue >> pkey;
+ key.SetPubKey(vchPubKey);
key.SetPrivKey(pkey);
+ if (key.GetPubKey() != vchPubKey || !key.IsValid())
+ return DB_CORRUPT;
}
else
{
CWalletKey wkey;
ssValue >> wkey;
+ key.SetPubKey(vchPubKey);
key.SetPrivKey(wkey.vchPrivKey);
+ if (key.GetPubKey() != vchPubKey || !key.IsValid())
+ return DB_CORRUPT;
}
if (!pwallet->LoadKey(key))
return DB_CORRUPT;
ssValue >> vchPrivKey;
if (!pwallet->LoadCryptedKey(vchPubKey, vchPrivKey))
return DB_CORRUPT;
+ fIsEncrypted = true;
}
else if (strType == "defaultkey")
{
{
int nMinVersion = 0;
ssValue >> nMinVersion;
- if (nMinVersion > VERSION)
+ if (nMinVersion > CLIENT_VERSION)
return DB_TOO_NEW;
+ pwallet->LoadMinVersion(nMinVersion);
+ }
+ else if (strType == "cscript")
+ {
+ uint160 hash;
+ ssKey >> hash;
+ CScript script;
+ ssValue >> script;
+ if (!pwallet->LoadCScript(script))
+ return DB_CORRUPT;
}
}
pcursor->close();
printf("fUseUPnP = %d\n", fUseUPnP);
- // Upgrade
- if (nFileVersion < VERSION)
+ // Rewrite encrypted wallets of versions 0.4.0 and 0.5.0rc:
+ if (fIsEncrypted && (nFileVersion == 40000 || nFileVersion == 50000))
+ return DB_NEED_REWRITE;
+
+ if (nFileVersion < CLIENT_VERSION) // Update
{
// Get rid of old debug.log file in current directory
if (nFileVersion <= 105 && !pszSetDataDir[0])
unlink("debug.log");
- WriteVersion(VERSION);
+ WriteVersion(CLIENT_VERSION);
}
-
return DB_LOAD_OK;
}
if (fOneThread)
return;
fOneThread = true;
- if (mapArgs.count("-noflushwallet"))
+ if (!GetBoolArg("-flushwallet", true))
return;
unsigned int nLastSeen = nWalletDBUpdated;
filesystem::path pathDest(strDest);
if (filesystem::is_directory(pathDest))
pathDest = pathDest / wallet.strWalletFile;
+
+ try {
#if BOOST_VERSION >= 104000
- filesystem::copy_file(pathSrc, pathDest, filesystem::copy_option::overwrite_if_exists);
+ filesystem::copy_file(pathSrc, pathDest, filesystem::copy_option::overwrite_if_exists);
#else
- filesystem::copy_file(pathSrc, pathDest);
+ filesystem::copy_file(pathSrc, pathDest);
#endif
- printf("copied wallet.dat to %s\n", pathDest.string().c_str());
-
- return true;
+ printf("copied wallet.dat to %s\n", pathDest.string().c_str());
+ return true;
+ } catch(const filesystem::filesystem_error &e) {
+ printf("error copying wallet.dat to %s - %s\n", pathDest.string().c_str(), e.what());
+ return false;
+ }
}
}
Sleep(100);