Merge #9951: Wallet database handling abstractions/simplifications

911a480 wallet: Add comment describing the various classes in walletdb.h (Wladimir J. van der Laan)
69d2e9b wallet: Make IsDummy private in CWalletDBWrapper (Wladimir J. van der Laan)
3323281 wallet: CWalletDB CDB composition not inheritance (Wladimir J. van der Laan)
be9e1a9 wallet: Reduce references to global bitdb environment (Wladimir J. van der Laan)
071c955 wallet: Get rid of fFileBacked (Wladimir J. van der Laan)
71afe3c wallet: Introduce database handle wrapper (Wladimir J. van der Laan)

Tree-SHA512: e4e72953c61a2f6995d609a32f8ed8e18cab9a92bc9e193d46a1d1f06d9daa5c6da6fce2867d4e3ba4fc0439141901a3d35f246486f0fa8f59587786379dfcbd
This commit is contained in:
Wladimir J. van der Laan
2017-04-24 14:43:38 +02:00
9 changed files with 356 additions and 243 deletions

View File

@@ -162,7 +162,7 @@ void CWallet::DeriveNewChildKey(CKeyMetadata& metadata, CKey& secret, bool inter
secret = childKey.key;
metadata.hdMasterKeyID = hdChain.masterKeyID;
// update the chain model in the database
if (!CWalletDB(strWalletFile).WriteHDChain(hdChain))
if (!CWalletDB(*dbw).WriteHDChain(hdChain))
throw std::runtime_error(std::string(__func__) + ": Writing HD chain model failed");
}
@@ -181,10 +181,8 @@ bool CWallet::AddKeyPubKey(const CKey& secret, const CPubKey &pubkey)
if (HaveWatchOnly(script))
RemoveWatchOnly(script);
if (!fFileBacked)
return true;
if (!IsCrypted()) {
return CWalletDB(strWalletFile).WriteKey(pubkey,
return CWalletDB(*dbw).WriteKey(pubkey,
secret.GetPrivKey(),
mapKeyMetadata[pubkey.GetID()]);
}
@@ -196,8 +194,6 @@ bool CWallet::AddCryptedKey(const CPubKey &vchPubKey,
{
if (!CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret))
return false;
if (!fFileBacked)
return true;
{
LOCK(cs_wallet);
if (pwalletdbEncryption)
@@ -205,7 +201,7 @@ bool CWallet::AddCryptedKey(const CPubKey &vchPubKey,
vchCryptedSecret,
mapKeyMetadata[vchPubKey.GetID()]);
else
return CWalletDB(strWalletFile).WriteCryptedKey(vchPubKey,
return CWalletDB(*dbw).WriteCryptedKey(vchPubKey,
vchCryptedSecret,
mapKeyMetadata[vchPubKey.GetID()]);
}
@@ -241,9 +237,7 @@ bool CWallet::AddCScript(const CScript& redeemScript)
{
if (!CCryptoKeyStore::AddCScript(redeemScript))
return false;
if (!fFileBacked)
return true;
return CWalletDB(strWalletFile).WriteCScript(Hash160(redeemScript), redeemScript);
return CWalletDB(*dbw).WriteCScript(Hash160(redeemScript), redeemScript);
}
bool CWallet::LoadCScript(const CScript& redeemScript)
@@ -269,9 +263,7 @@ bool CWallet::AddWatchOnly(const CScript& dest)
const CKeyMetadata& meta = mapKeyMetadata[CScriptID(dest)];
UpdateTimeFirstKey(meta.nCreateTime);
NotifyWatchonlyChanged(true);
if (!fFileBacked)
return true;
return CWalletDB(strWalletFile).WriteWatchOnly(dest, meta);
return CWalletDB(*dbw).WriteWatchOnly(dest, meta);
}
bool CWallet::AddWatchOnly(const CScript& dest, int64_t nCreateTime)
@@ -287,9 +279,8 @@ bool CWallet::RemoveWatchOnly(const CScript &dest)
return false;
if (!HaveWatchOnly())
NotifyWatchonlyChanged(false);
if (fFileBacked)
if (!CWalletDB(strWalletFile).EraseWatchOnly(dest))
return false;
if (!CWalletDB(*dbw).EraseWatchOnly(dest))
return false;
return true;
}
@@ -354,7 +345,7 @@ bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase,
return false;
if (!crypter.Encrypt(_vMasterKey, pMasterKey.second.vchCryptedKey))
return false;
CWalletDB(strWalletFile).WriteMasterKey(pMasterKey.first, pMasterKey.second);
CWalletDB(*dbw).WriteMasterKey(pMasterKey.first, pMasterKey.second);
if (fWasLocked)
Lock();
return true;
@@ -367,7 +358,7 @@ bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase,
void CWallet::SetBestChain(const CBlockLocator& loc)
{
CWalletDB walletdb(strWalletFile);
CWalletDB walletdb(*dbw);
walletdb.WriteBestBlock(loc);
}
@@ -386,9 +377,8 @@ bool CWallet::SetMinVersion(enum WalletFeature nVersion, CWalletDB* pwalletdbIn,
if (nVersion > nWalletMaxVersion)
nWalletMaxVersion = nVersion;
if (fFileBacked)
{
CWalletDB* pwalletdb = pwalletdbIn ? pwalletdbIn : new CWalletDB(strWalletFile);
CWalletDB* pwalletdb = pwalletdbIn ? pwalletdbIn : new CWalletDB(*dbw);
if (nWalletVersion > 40000)
pwalletdb->WriteMinVersion(nWalletVersion);
if (!pwalletdbIn)
@@ -442,7 +432,7 @@ bool CWallet::HasWalletSpend(const uint256& txid) const
void CWallet::Flush(bool shutdown)
{
bitdb.Flush(shutdown);
dbw->Flush(shutdown);
}
bool CWallet::Verify()
@@ -595,24 +585,19 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
{
LOCK(cs_wallet);
mapMasterKeys[++nMasterKeyMaxID] = kMasterKey;
if (fFileBacked)
{
assert(!pwalletdbEncryption);
pwalletdbEncryption = new CWalletDB(strWalletFile);
if (!pwalletdbEncryption->TxnBegin()) {
delete pwalletdbEncryption;
pwalletdbEncryption = NULL;
return false;
}
pwalletdbEncryption->WriteMasterKey(nMasterKeyMaxID, kMasterKey);
assert(!pwalletdbEncryption);
pwalletdbEncryption = new CWalletDB(*dbw);
if (!pwalletdbEncryption->TxnBegin()) {
delete pwalletdbEncryption;
pwalletdbEncryption = NULL;
return false;
}
pwalletdbEncryption->WriteMasterKey(nMasterKeyMaxID, kMasterKey);
if (!EncryptKeys(_vMasterKey))
{
if (fFileBacked) {
pwalletdbEncryption->TxnAbort();
delete pwalletdbEncryption;
}
pwalletdbEncryption->TxnAbort();
delete pwalletdbEncryption;
// We now probably have half of our keys encrypted in memory, and half not...
// die and let the user reload the unencrypted wallet.
assert(false);
@@ -621,19 +606,16 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
// Encryption was introduced in version 0.4.0
SetMinVersion(FEATURE_WALLETCRYPT, pwalletdbEncryption, true);
if (fFileBacked)
{
if (!pwalletdbEncryption->TxnCommit()) {
delete pwalletdbEncryption;
// We now have keys encrypted in memory, but not on disk...
// die to avoid confusion and let the user reload the unencrypted wallet.
assert(false);
}
if (!pwalletdbEncryption->TxnCommit()) {
delete pwalletdbEncryption;
pwalletdbEncryption = NULL;
// We now have keys encrypted in memory, but not on disk...
// die to avoid confusion and let the user reload the unencrypted wallet.
assert(false);
}
delete pwalletdbEncryption;
pwalletdbEncryption = NULL;
Lock();
Unlock(strWalletPassphrase);
@@ -652,7 +634,7 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
// Need to completely rewrite the wallet file; if we don't, bdb might keep
// bits of the unencrypted private key in slack space in the database file.
CDB::Rewrite(strWalletFile);
dbw->Rewrite();
}
NotifyStatusChanged(this);
@@ -663,7 +645,7 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
DBErrors CWallet::ReorderTransactions()
{
LOCK(cs_wallet);
CWalletDB walletdb(strWalletFile);
CWalletDB walletdb(*dbw);
// Old wallets didn't have any defined order for transactions
// Probably a bad idea to change the output of this
@@ -744,14 +726,14 @@ int64_t CWallet::IncOrderPosNext(CWalletDB *pwalletdb)
if (pwalletdb) {
pwalletdb->WriteOrderPosNext(nOrderPosNext);
} else {
CWalletDB(strWalletFile).WriteOrderPosNext(nOrderPosNext);
CWalletDB(*dbw).WriteOrderPosNext(nOrderPosNext);
}
return nRet;
}
bool CWallet::AccountMove(std::string strFrom, std::string strTo, CAmount nAmount, std::string strComment)
{
CWalletDB walletdb(strWalletFile);
CWalletDB walletdb(*dbw);
if (!walletdb.TxnBegin())
return false;
@@ -785,7 +767,7 @@ bool CWallet::AccountMove(std::string strFrom, std::string strTo, CAmount nAmoun
bool CWallet::GetAccountPubkey(CPubKey &pubKey, std::string strAccount, bool bForceNew)
{
CWalletDB walletdb(strWalletFile);
CWalletDB walletdb(*dbw);
CAccount account;
walletdb.ReadAccount(strAccount, account);
@@ -846,7 +828,7 @@ bool CWallet::MarkReplaced(const uint256& originalHash, const uint256& newHash)
wtx.mapValue["replaced_by_txid"] = newHash.ToString();
CWalletDB walletdb(strWalletFile, "r+");
CWalletDB walletdb(*dbw, "r+");
bool success = true;
if (!walletdb.WriteTx(wtx)) {
@@ -863,7 +845,7 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn, bool fFlushOnClose)
{
LOCK(cs_wallet);
CWalletDB walletdb(strWalletFile, "r+", fFlushOnClose);
CWalletDB walletdb(*dbw, "r+", fFlushOnClose);
uint256 hash = wtxIn.GetHash();
@@ -1007,7 +989,7 @@ bool CWallet::AbandonTransaction(const uint256& hashTx)
{
LOCK2(cs_main, cs_wallet);
CWalletDB walletdb(strWalletFile, "r+");
CWalletDB walletdb(*dbw, "r+");
std::set<uint256> todo;
std::set<uint256> done;
@@ -1079,7 +1061,7 @@ void CWallet::MarkConflicted(const uint256& hashBlock, const uint256& hashTx)
return;
// Do not flush the wallet here for performance reasons
CWalletDB walletdb(strWalletFile, "r+", false);
CWalletDB walletdb(*dbw, "r+", false);
std::set<uint256> todo;
std::set<uint256> done;
@@ -1362,7 +1344,7 @@ bool CWallet::SetHDMasterKey(const CPubKey& pubkey, CHDChain *possibleOldChain)
bool CWallet::SetHDChain(const CHDChain& chain, bool memonly)
{
LOCK(cs_wallet);
if (!memonly && !CWalletDB(strWalletFile).WriteHDChain(chain))
if (!memonly && !CWalletDB(*dbw).WriteHDChain(chain))
throw std::runtime_error(std::string(__func__) + ": writing chain failed");
hdChain = chain;
@@ -2759,13 +2741,13 @@ bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey, CCon
}
void CWallet::ListAccountCreditDebit(const std::string& strAccount, std::list<CAccountingEntry>& entries) {
CWalletDB walletdb(strWalletFile);
CWalletDB walletdb(*dbw);
return walletdb.ListAccountCreditDebit(strAccount, entries);
}
bool CWallet::AddAccountingEntry(const CAccountingEntry& acentry)
{
CWalletDB walletdb(strWalletFile);
CWalletDB walletdb(*dbw);
return AddAccountingEntry(acentry, &walletdb);
}
@@ -2817,13 +2799,11 @@ CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarge
DBErrors CWallet::LoadWallet(bool& fFirstRunRet)
{
if (!fFileBacked)
return DB_LOAD_OK;
fFirstRunRet = false;
DBErrors nLoadWalletRet = CWalletDB(strWalletFile,"cr+").LoadWallet(this);
DBErrors nLoadWalletRet = CWalletDB(*dbw,"cr+").LoadWallet(this);
if (nLoadWalletRet == DB_NEED_REWRITE)
{
if (CDB::Rewrite(strWalletFile, "\x04pool"))
if (dbw->Rewrite("\x04pool"))
{
LOCK(cs_wallet);
setKeyPool.clear();
@@ -2844,17 +2824,15 @@ DBErrors CWallet::LoadWallet(bool& fFirstRunRet)
DBErrors CWallet::ZapSelectTx(std::vector<uint256>& vHashIn, std::vector<uint256>& vHashOut)
{
if (!fFileBacked)
return DB_LOAD_OK;
AssertLockHeld(cs_wallet); // mapWallet
vchDefaultKey = CPubKey();
DBErrors nZapSelectTxRet = CWalletDB(strWalletFile,"cr+").ZapSelectTx(vHashIn, vHashOut);
DBErrors nZapSelectTxRet = CWalletDB(*dbw,"cr+").ZapSelectTx(vHashIn, vHashOut);
for (uint256 hash : vHashOut)
mapWallet.erase(hash);
if (nZapSelectTxRet == DB_NEED_REWRITE)
{
if (CDB::Rewrite(strWalletFile, "\x04pool"))
if (dbw->Rewrite("\x04pool"))
{
setKeyPool.clear();
// Note: can't top-up keypool here, because wallet is locked.
@@ -2874,13 +2852,11 @@ DBErrors CWallet::ZapSelectTx(std::vector<uint256>& vHashIn, std::vector<uint256
DBErrors CWallet::ZapWalletTx(std::vector<CWalletTx>& vWtx)
{
if (!fFileBacked)
return DB_LOAD_OK;
vchDefaultKey = CPubKey();
DBErrors nZapWalletTxRet = CWalletDB(strWalletFile,"cr+").ZapWalletTx(vWtx);
DBErrors nZapWalletTxRet = CWalletDB(*dbw,"cr+").ZapWalletTx(vWtx);
if (nZapWalletTxRet == DB_NEED_REWRITE)
{
if (CDB::Rewrite(strWalletFile, "\x04pool"))
if (dbw->Rewrite("\x04pool"))
{
LOCK(cs_wallet);
setKeyPool.clear();
@@ -2910,11 +2886,9 @@ bool CWallet::SetAddressBook(const CTxDestination& address, const std::string& s
}
NotifyAddressBookChanged(this, address, strName, ::IsMine(*this, address) != ISMINE_NO,
strPurpose, (fUpdated ? CT_UPDATED : CT_NEW) );
if (!fFileBacked)
if (!strPurpose.empty() && !CWalletDB(*dbw).WritePurpose(CBitcoinAddress(address).ToString(), strPurpose))
return false;
if (!strPurpose.empty() && !CWalletDB(strWalletFile).WritePurpose(CBitcoinAddress(address).ToString(), strPurpose))
return false;
return CWalletDB(strWalletFile).WriteName(CBitcoinAddress(address).ToString(), strName);
return CWalletDB(*dbw).WriteName(CBitcoinAddress(address).ToString(), strName);
}
bool CWallet::DelAddressBook(const CTxDestination& address)
@@ -2922,33 +2896,25 @@ bool CWallet::DelAddressBook(const CTxDestination& address)
{
LOCK(cs_wallet); // mapAddressBook
if(fFileBacked)
// Delete destdata tuples associated with address
std::string strAddress = CBitcoinAddress(address).ToString();
BOOST_FOREACH(const PAIRTYPE(std::string, std::string) &item, mapAddressBook[address].destdata)
{
// Delete destdata tuples associated with address
std::string strAddress = CBitcoinAddress(address).ToString();
BOOST_FOREACH(const PAIRTYPE(std::string, std::string) &item, mapAddressBook[address].destdata)
{
CWalletDB(strWalletFile).EraseDestData(strAddress, item.first);
}
CWalletDB(*dbw).EraseDestData(strAddress, item.first);
}
mapAddressBook.erase(address);
}
NotifyAddressBookChanged(this, address, "", ::IsMine(*this, address) != ISMINE_NO, "", CT_DELETED);
if (!fFileBacked)
return false;
CWalletDB(strWalletFile).ErasePurpose(CBitcoinAddress(address).ToString());
return CWalletDB(strWalletFile).EraseName(CBitcoinAddress(address).ToString());
CWalletDB(*dbw).ErasePurpose(CBitcoinAddress(address).ToString());
return CWalletDB(*dbw).EraseName(CBitcoinAddress(address).ToString());
}
bool CWallet::SetDefaultKey(const CPubKey &vchPubKey)
{
if (fFileBacked)
{
if (!CWalletDB(strWalletFile).WriteDefaultKey(vchPubKey))
return false;
}
if (!CWalletDB(*dbw).WriteDefaultKey(vchPubKey))
return false;
vchDefaultKey = vchPubKey;
return true;
}
@@ -2961,7 +2927,7 @@ bool CWallet::NewKeyPool()
{
{
LOCK(cs_wallet);
CWalletDB walletdb(strWalletFile);
CWalletDB walletdb(*dbw);
BOOST_FOREACH(int64_t nIndex, setKeyPool)
walletdb.ErasePool(nIndex);
setKeyPool.clear();
@@ -2982,7 +2948,7 @@ size_t CWallet::KeypoolCountExternalKeys()
if (!IsHDEnabled() || !CanSupportFeature(FEATURE_HD_SPLIT))
return setKeyPool.size();
CWalletDB walletdb(strWalletFile);
CWalletDB walletdb(*dbw);
// count amount of external keys
size_t amountE = 0;
@@ -3025,7 +2991,7 @@ bool CWallet::TopUpKeyPool(unsigned int kpSize)
missingInternal = 0;
}
bool internal = false;
CWalletDB walletdb(strWalletFile);
CWalletDB walletdb(*dbw);
for (int64_t i = missingInternal + missingExternal; i--;)
{
int64_t nEnd = 1;
@@ -3056,7 +3022,7 @@ void CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool, bool int
if(setKeyPool.empty())
return;
CWalletDB walletdb(strWalletFile);
CWalletDB walletdb(*dbw);
// try to find a key that matches the internal/external filter
for(const int64_t& id : setKeyPool)
@@ -3082,11 +3048,8 @@ void CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool, bool int
void CWallet::KeepKey(int64_t nIndex)
{
// Remove from key pool
if (fFileBacked)
{
CWalletDB walletdb(strWalletFile);
walletdb.ErasePool(nIndex);
}
CWalletDB walletdb(*dbw);
walletdb.ErasePool(nIndex);
LogPrintf("keypool keep %d\n", nIndex);
}
@@ -3128,7 +3091,7 @@ int64_t CWallet::GetOldestKeyPoolTime()
return GetTime();
CKeyPool keypool;
CWalletDB walletdb(strWalletFile);
CWalletDB walletdb(*dbw);
if (IsHDEnabled() && CanSupportFeature(FEATURE_HD_SPLIT))
{
@@ -3296,7 +3259,7 @@ std::set< std::set<CTxDestination> > CWallet::GetAddressGroupings()
CAmount CWallet::GetAccountBalance(const std::string& strAccount, int nMinDepth, const isminefilter& filter)
{
CWalletDB walletdb(strWalletFile);
CWalletDB walletdb(*dbw);
return GetAccountBalance(walletdb, strAccount, nMinDepth, filter);
}
@@ -3376,7 +3339,7 @@ void CWallet::GetAllReserveKeys(std::set<CKeyID>& setAddress) const
{
setAddress.clear();
CWalletDB walletdb(strWalletFile);
CWalletDB walletdb(*dbw);
LOCK2(cs_main, cs_wallet);
BOOST_FOREACH(const int64_t& id, setKeyPool)
@@ -3598,18 +3561,14 @@ bool CWallet::AddDestData(const CTxDestination &dest, const std::string &key, co
return false;
mapAddressBook[dest].destdata.insert(std::make_pair(key, value));
if (!fFileBacked)
return true;
return CWalletDB(strWalletFile).WriteDestData(CBitcoinAddress(dest).ToString(), key, value);
return CWalletDB(*dbw).WriteDestData(CBitcoinAddress(dest).ToString(), key, value);
}
bool CWallet::EraseDestData(const CTxDestination &dest, const std::string &key)
{
if (!mapAddressBook[dest].destdata.erase(key))
return false;
if (!fFileBacked)
return true;
return CWalletDB(strWalletFile).EraseDestData(CBitcoinAddress(dest).ToString(), key);
return CWalletDB(*dbw).EraseDestData(CBitcoinAddress(dest).ToString(), key);
}
bool CWallet::LoadDestData(const CTxDestination &dest, const std::string &key, const std::string &value)
@@ -3679,7 +3638,8 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile)
if (GetBoolArg("-zapwallettxes", false)) {
uiInterface.InitMessage(_("Zapping all transactions from wallet..."));
CWallet *tempWallet = new CWallet(walletFile);
std::unique_ptr<CWalletDBWrapper> dbw(new CWalletDBWrapper(&bitdb, walletFile));
CWallet *tempWallet = new CWallet(std::move(dbw));
DBErrors nZapWalletRet = tempWallet->ZapWalletTx(vWtx);
if (nZapWalletRet != DB_LOAD_OK) {
InitError(strprintf(_("Error loading %s: Wallet corrupted"), walletFile));
@@ -3694,7 +3654,8 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile)
int64_t nStart = GetTimeMillis();
bool fFirstRun = true;
CWallet *walletInstance = new CWallet(walletFile);
std::unique_ptr<CWalletDBWrapper> dbw(new CWalletDBWrapper(&bitdb, walletFile));
CWallet *walletInstance = new CWallet(std::move(dbw));
DBErrors nLoadWalletRet = walletInstance->LoadWallet(fFirstRun);
if (nLoadWalletRet != DB_LOAD_OK)
{
@@ -3785,7 +3746,7 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile)
CBlockIndex *pindexRescan = chainActive.Genesis();
if (!GetBoolArg("-rescan", false))
{
CWalletDB walletdb(walletFile);
CWalletDB walletdb(*walletInstance->dbw);
CBlockLocator locator;
if (walletdb.ReadBestBlock(locator))
pindexRescan = FindForkInGlobalIndex(chainActive, locator);
@@ -3818,7 +3779,7 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile)
// Restore wallet transaction metadata after -zapwallettxes=1
if (GetBoolArg("-zapwallettxes", false) && GetArg("-zapwallettxes", "1") != "2")
{
CWalletDB walletdb(walletFile);
CWalletDB walletdb(*walletInstance->dbw);
BOOST_FOREACH(const CWalletTx& wtxOld, vWtx)
{
@@ -3978,38 +3939,7 @@ bool CWallet::ParameterInteraction()
bool CWallet::BackupWallet(const std::string& strDest)
{
if (!fFileBacked)
return false;
while (true)
{
{
LOCK(bitdb.cs_db);
if (!bitdb.mapFileUseCount.count(strWalletFile) || bitdb.mapFileUseCount[strWalletFile] == 0)
{
// Flush log data to the dat file
bitdb.CloseDb(strWalletFile);
bitdb.CheckpointLSN(strWalletFile);
bitdb.mapFileUseCount.erase(strWalletFile);
// Copy wallet file
fs::path pathSrc = GetDataDir() / strWalletFile;
fs::path pathDest(strDest);
if (fs::is_directory(pathDest))
pathDest /= strWalletFile;
try {
fs::copy_file(pathSrc, pathDest, fs::copy_option::overwrite_if_exists);
LogPrintf("copied %s to %s\n", strWalletFile, pathDest.string());
return true;
} catch (const fs::filesystem_error& e) {
LogPrintf("error copying %s to %s - %s\n", strWalletFile, pathDest.string(), e.what());
return false;
}
}
}
MilliSleep(100);
}
return false;
return dbw->Backup(strDest);
}
CKeyPool::CKeyPool()