// 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.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "headers.h"
#include "db.h"
static map<string, int> mapFileUseCount;
static map<string, Db*> mapDb;
-static void EnvShutdown(bool fRemoveLogFiles)
+static void EnvShutdown()
{
if (!fDbEnvInit)
return;
fDbEnvInit = false;
- dbenv.close(0);
- DbEnv(0).remove(GetDataDir().c_str(), 0);
-
- if (fRemoveLogFiles)
+ try
{
- filesystem::path datadir(GetDataDir());
- filesystem::directory_iterator it(datadir / "database");
- while (it != filesystem::directory_iterator())
- {
- const filesystem::path& p = it->path();
-#if BOOST_FILESYSTEM_VERSION == 2
- std::string f = p.filename();
-#else
- std::string f = p.filename().generic_string();
-#endif
- if (f.find("log.") == 0)
- filesystem::remove(p);
- ++it;
- }
+ 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
}
~CDBInit()
{
- EnvShutdown(false);
+ EnvShutdown();
}
}
instance_of_cdbinit;
bool fSuccess = true;
printf("Rewriting %s...\n", strFile.c_str());
string strFileRes = strFile + ".rewrite";
- 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)
+ { // 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)
{
- CDataStream ssKey;
- CDataStream ssValue;
- int ret = db.ReadAtCursor(pcursor, ssKey, ssValue, DB_NEXT);
- if (ret == DB_NOTFOUND)
- 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)
+ printf("Cannot create database file %s\n", strFileRes.c_str());
+ fSuccess = false;
+ }
+
+ Dbc* pcursor = db.GetCursor();
+ if (pcursor)
+ while (fSuccess)
{
- // Update version:
- ssValue.clear();
- ssValue << VERSION;
+ 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 << 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;
}
- Dbt datKey(&ssKey[0], ssKey.size());
- Dbt datValue(&ssValue[0], ssValue.size());
- int ret2 = pdbCopy->put(NULL, &datKey, &datValue, DB_NOOVERWRITE);
- if (ret2 > 0)
+ if (fSuccess)
+ {
+ db.Close();
+ CloseDb(strFile);
+ if (pdbCopy->close(0))
fSuccess = false;
+ delete pdbCopy;
}
- if (fSuccess)
- {
- Db* pdb = mapDb[strFile];
- if (pdb->close(0))
- fSuccess = false;
- if (pdbCopy->close(0))
- fSuccess = false;
- delete pdb;
- delete pdbCopy;
- mapDb[strFile] = NULL;
}
if (fSuccess)
{
}
-void DBFlush(bool fShutdown, bool fRemoveLogFiles)
+void DBFlush(bool fShutdown)
{
// Flush log data to the actual data file
// on all files that are not in use
if (mapFileUseCount.empty())
{
dbenv.log_archive(&listp, DB_ARCH_REMOVE);
- EnvShutdown(fRemoveLogFiles);
+ EnvShutdown();
}
}
}
string strType;
uint160 hashItem;
CDiskTxPos pos;
- ssKey >> strType >> hashItem >> pos;
int nItemHeight;
- ssValue >> nItemHeight;
+
+ try {
+ ssKey >> strType >> hashItem >> pos;
+ ssValue >> nItemHeight;
+ }
+ catch (std::exception &e) {
+ return error("%s() : deserialize error", __PRETTY_FUNCTION__);
+ }
// Read transaction
if (strType != "owner" || hashItem != hash160)
return false;
// Unserialize
+
+ try {
string strType;
ssKey >> strType;
if (strType == "blockindex")
{
break;
}
+ } // try
+ catch (std::exception &e) {
+ return error("%s() : deserialize error", __PRETTY_FUNCTION__);
+ }
}
pcursor->close();
//// todo: shouldn't we catch exceptions and try to recover and continue?
CRITICAL_BLOCK(pwallet->cs_wallet)
{
+ int nMinVersion = 0;
+ if (Read((string)"minversion", nMinVersion))
+ {
+ if (nMinVersion > VERSION)
+ return DB_TOO_NEW;
+ }
+
// Get cursor
Dbc* pcursor = GetCursor();
if (!pcursor)
+ {
+ printf("Error getting wallet database cursor\n");
return DB_CORRUPT;
+ }
loop
{
if (ret == DB_NOTFOUND)
break;
else if (ret != 0)
+ {
+ printf("Error reading next record from wallet database\n");
return DB_CORRUPT;
+ }
// Unserialize
// Taking advantage of the fact that pair serialization
//// debug print
//printf("LoadWallet %s\n", wtx.GetHash().ToString().c_str());
- //printf(" %12I64d %s %s %s\n",
+ //printf(" %12"PRI64d" %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(),
CPrivKey pkey;
ssValue >> pkey;
key.SetPrivKey(pkey);
+ if (key.GetPubKey() != vchPubKey)
+ {
+ printf("Error reading wallet database: CPrivKey pubkey inconsistency\n");
+ return DB_CORRUPT;
+ }
+ if (!key.IsValid())
+ {
+ printf("Error reading wallet database: invalid CPrivKey\n");
+ return DB_CORRUPT;
+ }
}
else
{
CWalletKey wkey;
ssValue >> wkey;
key.SetPrivKey(wkey.vchPrivKey);
+ if (key.GetPubKey() != vchPubKey)
+ {
+ printf("Error reading wallet database: CWalletKey pubkey inconsistency\n");
+ return DB_CORRUPT;
+ }
+ if (!key.IsValid())
+ {
+ printf("Error reading wallet database: invalid CWalletKey\n");
+ return DB_CORRUPT;
+ }
}
if (!pwallet->LoadKey(key))
+ {
+ printf("Error reading wallet database: LoadKey failed\n");
return DB_CORRUPT;
+ }
}
else if (strType == "mkey")
{
CMasterKey kMasterKey;
ssValue >> kMasterKey;
if(pwallet->mapMasterKeys.count(nID) != 0)
+ {
+ printf("Error reading wallet database: duplicate CMasterKey id %u\n", nID);
return DB_CORRUPT;
+ }
pwallet->mapMasterKeys[nID] = kMasterKey;
if (pwallet->nMasterKeyMaxID < nID)
pwallet->nMasterKeyMaxID = nID;
vector<unsigned char> vchPrivKey;
ssValue >> vchPrivKey;
if (!pwallet->LoadCryptedKey(vchPubKey, vchPrivKey))
+ {
+ printf("Error reading wallet database: LoadCryptedKey failed\n");
return DB_CORRUPT;
+ }
fIsEncrypted = true;
}
else if (strType == "defaultkey")
if (strKey == "addrProxy") ssValue >> addrProxy;
if (fHaveUPnP && strKey == "fUseUPnP") ssValue >> fUseUPnP;
}
- else if (strType == "minversion")
- {
- int nMinVersion = 0;
- ssValue >> nMinVersion;
- if (nMinVersion > VERSION)
- return DB_TOO_NEW;
- }
}
pcursor->close();
}