src/walletdb.cpp
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "walletdb.h"
#include "wallet.h"
#include <boost/version.hpp>
#include <boost/filesystem.hpp>
using namespace std;
namespace fs = boost::filesystem;
static uint64_t nAccountingEntryNumber = 0;
extern bool fWalletUnlockStakingOnly;
//
// CWalletDB
//
bool CWalletDB::WriteName(const string& strAddress, const string& strName)
{
nWalletDBUpdated++;
return Write(make_pair(string("name"), strAddress), strName);
}
bool CWalletDB::EraseName(const string& strAddress)
{
// This should only be used for sending addresses, never for receiving addresses,
// receiving addresses must always have an address book entry if they're not change return.
nWalletDBUpdated++;
return Erase(make_pair(string("name"), strAddress));
}
bool CWalletDB::EraseRange(const std::string& sPrefix, uint32_t &nAffected)
{
TxnBegin();
Dbc* pcursor = GetTxnCursor();
if (!pcursor)
throw runtime_error("EraseAllAnonData() : cannot create DB cursor");
size_t nLenPrefix = sPrefix.length();
if (nLenPrefix > 252) // fit in 256 and compressed int is 1 byte
{
LogPrintf("EraseRange(%s) - Key length too long.\n", sPrefix.c_str());
return false;
};
// - key starts with strlen || str
uint8_t data[256];
data[0] = (uint8_t)nLenPrefix;
memcpy(&data[1], sPrefix.data(), nLenPrefix);
Dbt key, record;
memset(&key, 0, sizeof(key));
key.set_data(data);
key.set_size(nLenPrefix+1);
unsigned int fFlags = DB_SET_RANGE;
int ret;
while ((ret = pcursor->get(&key, &record, fFlags)) == 0)
{
fFlags = DB_NEXT;
if (key.get_size() < nLenPrefix+1
|| memcmp(key.get_data(), data, nLenPrefix+1) != 0)
break;
if ((ret = pcursor->del(0)) != 0)
LogPrintf("EraseRange(%s) - Delete failed %d, %s\n", sPrefix.c_str(), ret, db_strerror(ret));
nAffected++;
};
pcursor->close();
TxnCommit();
return true;
};
bool CWalletDB::ReadAccount(const string& strAccount, CAccount& account)
{
account.SetNull();
return Read(make_pair(string("acc"), strAccount), account);
}
bool CWalletDB::WriteAccount(const string& strAccount, const CAccount& account)
{
return Write(make_pair(string("acc"), strAccount), account);
}
bool CWalletDB::WriteAccountingEntry(const uint64_t nAccEntryNum, const CAccountingEntry& acentry)
{
return Write(boost::make_tuple(string("acentry"), acentry.strAccount, nAccEntryNum), acentry);
}
bool CWalletDB::WriteAccountingEntry(const CAccountingEntry& acentry)
{
return WriteAccountingEntry(++nAccountingEntryNumber, acentry);
}
bool CWalletDB::WriteKey(const CPubKey& vchPubKey, const CPrivKey& vchPrivKey, const CKeyMetadata& keyMeta)
{
nWalletDBUpdated++;
if (!Write(std::make_pair(std::string("keymeta"), vchPubKey),
keyMeta, true))
return false;
// hash pubkey/privkey to accelerate wallet load
std::vector<unsigned char> vchKey;
vchKey.reserve(vchPubKey.size() + vchPrivKey.size());
vchKey.insert(vchKey.end(), vchPubKey.begin(), vchPubKey.end());
vchKey.insert(vchKey.end(), vchPrivKey.begin(), vchPrivKey.end());
return Write(std::make_pair(std::string("key"), vchPubKey), std::make_pair(vchPrivKey, Hash(vchKey.begin(), vchKey.end())), true);
}
bool CWalletDB::WriteCryptedKey(const CPubKey& vchPubKey,
const std::vector<unsigned char>& vchCryptedSecret,
const CKeyMetadata &keyMeta)
{
const bool fEraseUnencryptedKey = true;
nWalletDBUpdated++;
if (!Write(std::make_pair(std::string("keymeta"), vchPubKey),
keyMeta))
return false;
if (!Write(std::make_pair(std::string("ckey"), vchPubKey), vchCryptedSecret, true))
return false;
if (fEraseUnencryptedKey)
{
Erase(std::make_pair(std::string("key"), vchPubKey));
Erase(std::make_pair(std::string("wkey"), vchPubKey));
}
return true;
}
bool CWalletDB::WriteDefaultKey(const CPubKey& vchPubKey)
{
nWalletDBUpdated++;
return Write(std::string("defaultkey"), vchPubKey);
}
int64_t CWalletDB::GetAccountCreditDebit(const string& strAccount)
{
list<CAccountingEntry> entries;
ListAccountCreditDebit(strAccount, entries);
int64_t nCreditDebit = 0;
BOOST_FOREACH (const CAccountingEntry& entry, entries)
nCreditDebit += entry.nCreditDebit;
return nCreditDebit;
}
void CWalletDB::ListAccountCreditDebit(const string& strAccount, list<CAccountingEntry>& entries)
{
bool fAllAccounts = (strAccount == "*");
Dbc* pcursor = GetCursor();
if (!pcursor)
throw runtime_error("CWalletDB::ListAccountCreditDebit() : cannot create DB cursor");
unsigned int fFlags = DB_SET_RANGE;
while (true)
{
// Read next record
CDataStream ssKey(SER_DISK, CLIENT_VERSION);
if (fFlags == DB_SET_RANGE)
ssKey << boost::make_tuple(string("acentry"), (fAllAccounts? string("") : strAccount), uint64_t(0));
CDataStream ssValue(SER_DISK, CLIENT_VERSION);
int ret = ReadAtCursor(pcursor, ssKey, ssValue, fFlags);
fFlags = DB_NEXT;
if (ret == DB_NOTFOUND)
break;
else
if (ret != 0)
{
pcursor->close();
throw runtime_error("CWalletDB::ListAccountCreditDebit() : error scanning DB");
}
// Unserialize
string strType;
ssKey >> strType;
if (strType != "acentry")
break;
CAccountingEntry acentry;
ssKey >> acentry.strAccount;
if (!fAllAccounts && acentry.strAccount != strAccount)
break;
ssValue >> acentry;
ssKey >> acentry.nEntryNo;
entries.push_back(acentry);
}
pcursor->close();
}
DBErrors
CWalletDB::ReorderTransactions(CWallet* pwallet)
{
LOCK(pwallet->cs_wallet);
// Old wallets didn't have any defined order for transactions
// Probably a bad idea to change the output of this
// First: get all CWalletTx and CAccountingEntry into a sorted-by-time multimap.
typedef pair<CWalletTx*, CAccountingEntry*> TxPair;
typedef multimap<int64_t, TxPair > TxItems;
TxItems txByTime;
for (map<uint256, CWalletTx>::iterator it = pwallet->mapWallet.begin(); it != pwallet->mapWallet.end(); ++it)
{
CWalletTx* wtx = &((*it).second);
txByTime.insert(make_pair(wtx->nTimeReceived, TxPair(wtx, (CAccountingEntry*)0)));
}
list<CAccountingEntry> acentries;
ListAccountCreditDebit("", acentries);
BOOST_FOREACH(CAccountingEntry& entry, acentries)
{
txByTime.insert(make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
}
int64_t& nOrderPosNext = pwallet->nOrderPosNext;
nOrderPosNext = 0;
std::vector<int64_t> nOrderPosOffsets;
for (TxItems::iterator it = txByTime.begin(); it != txByTime.end(); ++it)
{
CWalletTx *const pwtx = (*it).second.first;
CAccountingEntry *const pacentry = (*it).second.second;
int64_t& nOrderPos = (pwtx != 0) ? pwtx->nOrderPos : pacentry->nOrderPos;
if (nOrderPos == -1)
{
nOrderPos = nOrderPosNext++;
nOrderPosOffsets.push_back(nOrderPos);
if (pacentry)
// Have to write accounting regardless, since we don't keep it in memory
if (!WriteAccountingEntry(pacentry->nEntryNo, *pacentry))
return DB_LOAD_FAIL;
} else
{
int64_t nOrderPosOff = 0;
BOOST_FOREACH(const int64_t& nOffsetStart, nOrderPosOffsets)
{
if (nOrderPos >= nOffsetStart)
++nOrderPosOff;
};
nOrderPos += nOrderPosOff;
nOrderPosNext = std::max(nOrderPosNext, nOrderPos + 1);
if (!nOrderPosOff)
continue;
// Since we're changing the order, write it back
if (pwtx)
{
if (!WriteTx(pwtx->GetHash(), *pwtx))
return DB_LOAD_FAIL;
} else
{
if (!WriteAccountingEntry(pacentry->nEntryNo, *pacentry))
return DB_LOAD_FAIL;
};
};
};
return DB_LOAD_OK;
}
class CWalletScanState
{
public:
unsigned int nKeys;
unsigned int nCKeys;
unsigned int nKeyMeta;
bool fIsEncrypted;
bool fAnyUnordered;
int nFileVersion;
vector<uint256> vWalletUpgrade;
CWalletScanState()
{
nKeys = nCKeys = nKeyMeta = 0;
fIsEncrypted = false;
fAnyUnordered = false;
nFileVersion = 0;
}
};
bool
ReadKeyValue(CWallet* pwallet, CDataStream& ssKey, CDataStream& ssValue,
CWalletScanState &wss, string& strType, string& strErr)
{
try {
// Unserialize
// Taking advantage of the fact that pair serialization
// is just the two items serialized one after the other
ssKey >> strType;
if (strType == "name")
{
string strAddress;
ssKey >> strAddress;
ssValue >> pwallet->mapAddressBook[CBitcoinAddress(strAddress).Get()];
} else
if (strType == "tx")
{
uint256 hash;
ssKey >> hash;
CWalletTx& wtx = pwallet->mapWallet[hash];
ssValue >> wtx;
if (wtx.CheckTransaction() && (wtx.GetHash() == hash))
{
wtx.BindWallet(pwallet);
} else
{
pwallet->mapWallet.erase(hash);
return false;
};
// Undo serialize changes in 31600
if (31404 <= wtx.fTimeReceivedIsTxTime && wtx.fTimeReceivedIsTxTime <= 31703)
{
if (!ssValue.empty())
{
char fTmp;
char fUnused;
ssValue >> fTmp >> fUnused >> wtx.strFromAccount;
strErr = strprintf("LoadWallet() upgrading tx ver=%d %d '%s' %s",
wtx.fTimeReceivedIsTxTime, fTmp, wtx.strFromAccount.c_str(), hash.ToString().c_str());
wtx.fTimeReceivedIsTxTime = fTmp;
} else
{
strErr = strprintf("LoadWallet() repairing tx ver=%d %s", wtx.fTimeReceivedIsTxTime, hash.ToString().c_str());
wtx.fTimeReceivedIsTxTime = 0;
};
wss.vWalletUpgrade.push_back(hash);
};
if (wtx.nOrderPos == -1)
wss.fAnyUnordered = true;
//// debug print
//LogPrintf("LoadWallet %s\n", wtx.GetHash().ToString().c_str());
//LogPrintf(" %12d %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 == "sxAddr")
{
if (fDebug)
LogPrintf("WalletDB ReadKeyValue sxAddr\n");
CStealthAddress sxAddr;
ssValue >> sxAddr;
pwallet->stealthAddresses.insert(sxAddr);
} else
if (strType == "acentry")
{
string strAccount;
ssKey >> strAccount;
uint64_t nNumber;
ssKey >> nNumber;
if (nNumber > nAccountingEntryNumber)
nAccountingEntryNumber = nNumber;
if (!wss.fAnyUnordered)
{
CAccountingEntry acentry;
ssValue >> acentry;
if (acentry.nOrderPos == -1)
wss.fAnyUnordered = true;
};
} else
if (strType == "key" || strType == "wkey")
{
CPubKey vchPubKey;
ssKey >> vchPubKey;
if (!vchPubKey.IsValid())
{
strErr = "Error reading wallet database: CPubKey corrupt";
return false;
}
CKey key;
CPrivKey pkey;
uint256 hash = 0;
if (strType == "key")
{
wss.nKeys++;
ssValue >> pkey;
} else {
CWalletKey wkey;
ssValue >> wkey;
pkey = wkey.vchPrivKey;
}
// Old wallets store keys as "key" [pubkey] => [privkey]
// ... which was slow for wallets with lots of keys, because the public key is re-derived from the private key
// using EC operations as a checksum.
// Newer wallets store keys as "key"[pubkey] => [privkey][hash(pubkey,privkey)], which is much faster while
// remaining backwards-compatible.
try
{
ssValue >> hash;
}
catch(...){}
bool fSkipCheck = false;
if (hash != 0)
{
// hash pubkey/privkey to accelerate wallet load
std::vector<unsigned char> vchKey;
vchKey.reserve(vchPubKey.size() + pkey.size());
vchKey.insert(vchKey.end(), vchPubKey.begin(), vchPubKey.end());
vchKey.insert(vchKey.end(), pkey.begin(), pkey.end());
if (Hash(vchKey.begin(), vchKey.end()) != hash)
{
strErr = "Error reading wallet database: CPubKey/CPrivKey corrupt";
return false;
}
fSkipCheck = true;
}
if (!key.Load(pkey, vchPubKey, fSkipCheck))
{
strErr = "Error reading wallet database: CPrivKey corrupt";
return false;
}
if (!pwallet->LoadKey(key, vchPubKey))
{
strErr = "Error reading wallet database: LoadKey failed";
return false;
}
} else
if (strType == "mkey")
{
unsigned int nID;
ssKey >> nID;
CMasterKey kMasterKey;
ssValue >> kMasterKey;
if(pwallet->mapMasterKeys.count(nID) != 0)
{
strErr = strprintf("Error reading wallet database: duplicate CMasterKey id %u", nID);
return false;
};
pwallet->mapMasterKeys[nID] = kMasterKey;
if (pwallet->nMasterKeyMaxID < nID)
pwallet->nMasterKeyMaxID = nID;
} else
if (strType == "ckey")
{
wss.nCKeys++;
vector<unsigned char> vchPubKey;
ssKey >> vchPubKey;
vector<unsigned char> vchPrivKey;
ssValue >> vchPrivKey;
if (!pwallet->LoadCryptedKey(vchPubKey, vchPrivKey))
{
strErr = "Error reading wallet database: LoadCryptedKey failed";
return false;
};
wss.fIsEncrypted = true;
} else
if (strType == "keymeta")
{
CPubKey vchPubKey;
ssKey >> vchPubKey;
CKeyMetadata keyMeta;
ssValue >> keyMeta;
wss.nKeyMeta++;
// nTimeFirstKey set in LoadKeyMetadata
pwallet->LoadKeyMetadata(vchPubKey, keyMeta);
} else
if (strType == "sxKeyMeta")
{
if (fDebug)
LogPrintf("WalletDB ReadKeyValue sxKeyMeta\n");
CKeyID keyId;
ssKey >> keyId;
CStealthKeyMetadata sxKeyMeta;
ssValue >> sxKeyMeta;
pwallet->mapStealthKeyMeta[keyId] = sxKeyMeta;
} else
if (strType == "defaultkey")
{
ssValue >> pwallet->vchDefaultKey;
} else
if (strType == "lastfilteredheight")
{
ssValue >> pwallet->nLastFilteredHeight;
} else
if (strType == "pool")
{
int64_t nIndex;
ssKey >> nIndex;
CKeyPool keypool;
ssValue >> keypool;
pwallet->setKeyPool.insert(nIndex);
// If no metadata exists yet, create a default with the pool key's
// creation time. Note that this may be overwritten by actually
// stored metadata for that key later, which is fine.
CKeyID keyid = keypool.vchPubKey.GetID();
if (pwallet->mapKeyMetadata.count(keyid) == 0)
pwallet->mapKeyMetadata[keyid] = CKeyMetadata(keypool.nTime);
} else
if (strType == "version")
{
ssValue >> wss.nFileVersion;
if (wss.nFileVersion == 10300)
wss.nFileVersion = 300;
} else
if (strType == "cscript")
{
uint160 hash;
ssKey >> hash;
CScript script;
ssValue >> script;
if (!pwallet->LoadCScript(script))
{
strErr = "Error reading wallet database: LoadCScript failed";
return false;
};
} else
if (strType == "orderposnext")
{
ssValue >> pwallet->nOrderPosNext;
};
} catch (...)
{
return false;
};
return true;
}
static bool IsKeyType(string strType)
{
return (strType== "key" || strType == "wkey" ||
strType == "mkey" || strType == "ckey");
}
DBErrors CWalletDB::LoadWallet(CWallet* pwallet)
{
pwallet->vchDefaultKey = CPubKey();
CWalletScanState wss;
bool fNoncriticalErrors = false;
DBErrors result = DB_LOAD_OK;
try {
LOCK(pwallet->cs_wallet);
int nMinVersion = 0;
if (Read((string)"minversion", nMinVersion))
{
if (nMinVersion > CLIENT_VERSION)
return DB_TOO_NEW;
pwallet->LoadMinVersion(nMinVersion);
};
// Get cursor
Dbc* pcursor = GetCursor();
if (!pcursor)
{
LogPrintf("Error getting wallet database cursor\n");
return DB_CORRUPT;
};
while (true)
{
// Read next record
CDataStream ssKey(SER_DISK, CLIENT_VERSION);
CDataStream ssValue(SER_DISK, CLIENT_VERSION);
int ret = ReadAtCursor(pcursor, ssKey, ssValue);
if (ret == DB_NOTFOUND)
{
break;
} else
if (ret != 0)
{
LogPrintf("Error reading next record from wallet database\n");
return DB_CORRUPT;
};
// Try to be tolerant of single corrupt records:
string strType, strErr;
if (!ReadKeyValue(pwallet, ssKey, ssValue, wss, strType, strErr))
{
// losing keys is considered a catastrophic error, anything else
// we assume the user can live with:
if (IsKeyType(strType))
{
result = DB_CORRUPT;
} else
{
// Leave other errors alone, if we try to fix them we might make things worse.
fNoncriticalErrors = true; // ... but do warn the user there is something wrong.
if (strType == "tx")
// Rescan if there is a bad transaction record:
SoftSetBoolArg("-rescan", true);
};
};
if (!strErr.empty())
LogPrintf("%s\n", strErr.c_str());
};
pcursor->close();
} catch (...)
{
result = DB_CORRUPT;
}
if (fNoncriticalErrors && result == DB_LOAD_OK)
result = DB_NONCRITICAL_ERROR;
// Any wallet corruption at all: skip any rewriting or
// upgrading, we don't want to make it worse.
if (result != DB_LOAD_OK)
return result;
LogPrintf("nFileVersion = %d\n", wss.nFileVersion);
LogPrintf("Keys: %u plaintext, %u encrypted, %u w/ metadata, %u total\n",
wss.nKeys, wss.nCKeys, wss.nKeyMeta, wss.nKeys + wss.nCKeys);
// nTimeFirstKey is only reliable if all keys have metadata
if ((wss.nKeys + wss.nCKeys) != wss.nKeyMeta)
pwallet->nTimeFirstKey = 1; // 0 would be considered 'no value'
BOOST_FOREACH(uint256 hash, wss.vWalletUpgrade)
WriteTx(hash, pwallet->mapWallet[hash]);
// Rewrite encrypted wallets of versions 0.4.0 and 0.5.0rc:
if (wss.fIsEncrypted && (wss.nFileVersion == 40000 || wss.nFileVersion == 50000))
return DB_NEED_REWRITE;
if (wss.nFileVersion < CLIENT_VERSION) // Update
WriteVersion(CLIENT_VERSION);
if (wss.fAnyUnordered)
result = ReorderTransactions(pwallet);
return result;
}
void ThreadFlushWalletDB(const std::string& strFile)
{
static bool fOneThread;
if (fOneThread)
return;
fOneThread = true;
if (!GetBoolArg("-flushwallet", true))
return;
unsigned int nLastSeen = nWalletDBUpdated;
unsigned int nLastFlushed = nWalletDBUpdated;
int64_t nLastWalletUpdate = GetTime();
for (;;)
{
boost::this_thread::interruption_point();
MilliSleep(500);
if (nLastSeen != nWalletDBUpdated)
{
nLastSeen = nWalletDBUpdated;
nLastWalletUpdate = GetTime();
};
if (nLastFlushed != nWalletDBUpdated && GetTime() - nLastWalletUpdate >= 2)
{
TRY_LOCK(bitdb.cs_db,lockDb);
if (lockDb)
{
// Don't do this if any databases are in use
int nRefCount = 0;
map<string, int>::iterator mi = bitdb.mapFileUseCount.begin();
while (mi != bitdb.mapFileUseCount.end())
{
nRefCount += (*mi).second;
mi++;
};
if (nRefCount == 0)
{
boost::this_thread::interruption_point();
map<string, int>::iterator mi = bitdb.mapFileUseCount.find(strFile);
if (mi != bitdb.mapFileUseCount.end())
{
LogPrintf("Flushing wallet.dat\n");
nLastFlushed = nWalletDBUpdated;
int64_t nStart = GetTimeMillis();
// Flush wallet.dat so it's self contained
bitdb.CloseDb(strFile);
bitdb.CheckpointLSN(strFile);
bitdb.mapFileUseCount.erase(mi++);
LogPrintf("Flushed wallet.dat %dms\n", GetTimeMillis() - nStart);
};
};
};
};
};
}
bool BackupWallet(const CWallet& wallet, const string& strDest)
{
if (!wallet.fFileBacked)
return false;
for (;;)
{
boost::this_thread::interruption_point();
{
LOCK(bitdb.cs_db);
if (!bitdb.mapFileUseCount.count(wallet.strWalletFile) || bitdb.mapFileUseCount[wallet.strWalletFile] == 0)
{
// Flush log data to the dat file
bitdb.CloseDb(wallet.strWalletFile);
bitdb.CheckpointLSN(wallet.strWalletFile);
bitdb.mapFileUseCount.erase(wallet.strWalletFile);
// Copy wallet.dat
fs::path pathSrc = GetDataDir() / wallet.strWalletFile;
fs::path pathDest(strDest);
if (fs::is_directory(pathDest))
pathDest /= wallet.strWalletFile;
try {
#if BOOST_VERSION >= 104000
fs::copy_file(pathSrc, pathDest, fs::copy_option::overwrite_if_exists);
#else
fs::copy_file(pathSrc, pathDest);
#endif
LogPrintf("copied wallet.dat to %s\n", pathDest.string().c_str());
return true;
} catch(const fs::filesystem_error &e)
{
LogPrintf("error copying wallet.dat to %s - %s\n", pathDest.string().c_str(), e.what());
return false;
};
};
}
MilliSleep(100);
};
return false;
}
//
// Try to (very carefully!) recover wallet.dat if there is a problem.
//
bool CWalletDB::Recover(CDBEnv& dbenv, std::string filename, bool fOnlyKeys)
{
// Recovery procedure:
// move wallet.dat to wallet.timestamp.bak
// Call Salvage with fAggressive=true to
// get as much data as possible.
// Rewrite salvaged data to wallet.dat
// Set -rescan so any missing transactions will be
// found.
int64_t now = GetTime();
std::string newFilename = strprintf("wallet.%d.bak", now);
int result = dbenv.dbenv.dbrename(NULL, filename.c_str(), NULL,
newFilename.c_str(), DB_AUTO_COMMIT);
if (result == 0)
{
LogPrintf("Renamed %s to %s\n", filename.c_str(), newFilename.c_str());
} else
{
LogPrintf("Failed to rename %s to %s\n", filename.c_str(), newFilename.c_str());
return false;
};
std::vector<CDBEnv::KeyValPair> salvagedData;
bool allOK = dbenv.Salvage(newFilename, true, salvagedData);
if (salvagedData.empty())
{
LogPrintf("Salvage(aggressive) found no records in %s.\n", newFilename.c_str());
return false;
};
LogPrintf("Salvage(aggressive) found %u records\n", salvagedData.size());
bool fSuccess = allOK;
Db* pdbCopy = new Db(&dbenv.dbenv, 0);
int ret = pdbCopy->open(NULL, // Txn pointer
filename.c_str(), // Filename
"main", // Logical db name
DB_BTREE, // Database type
DB_CREATE, // Flags
0);
if (ret > 0)
{
LogPrintf("Cannot create database file %s\n", filename.c_str());
return false;
};
CWallet dummyWallet;
CWalletScanState wss;
DbTxn* ptxn = dbenv.TxnBegin();
BOOST_FOREACH(CDBEnv::KeyValPair& row, salvagedData)
{
if (fOnlyKeys)
{
CDataStream ssKey(row.first, SER_DISK, CLIENT_VERSION);
CDataStream ssValue(row.second, SER_DISK, CLIENT_VERSION);
string strType, strErr;
bool fReadOK = ReadKeyValue(&dummyWallet, ssKey, ssValue,
wss, strType, strErr);
if (!IsKeyType(strType))
continue;
if (!fReadOK)
{
LogPrintf("WARNING: CWalletDB::Recover skipping %s: %s\n", strType.c_str(), strErr.c_str());
continue;
};
};
Dbt datKey(&row.first[0], row.first.size());
Dbt datValue(&row.second[0], row.second.size());
int ret2 = pdbCopy->put(ptxn, &datKey, &datValue, DB_NOOVERWRITE);
if (ret2 > 0)
fSuccess = false;
};
ptxn->commit(0);
pdbCopy->close(0);
delete pdbCopy;
return fSuccess;
}
bool CWalletDB::Recover(CDBEnv& dbenv, std::string filename)
{
return CWalletDB::Recover(dbenv, filename, false);
}