diff options
Diffstat (limited to 'src/wallet.cpp')
| -rw-r--r-- | src/wallet.cpp | 319 |
1 files changed, 191 insertions, 128 deletions
diff --git a/src/wallet.cpp b/src/wallet.cpp index 6519ac6372..28babdb3e2 100644 --- a/src/wallet.cpp +++ b/src/wallet.cpp @@ -5,7 +5,6 @@ #include "headers.h" #include "db.h" -#include "cryptopp/sha.h" #include "crypter.h" using namespace std; @@ -33,25 +32,25 @@ bool CWallet::AddCryptedKey(const vector<unsigned char> &vchPubKey, const vector return false; if (!fFileBacked) return true; - CRITICAL_BLOCK(cs_pwalletdbEncryption) + CRITICAL_BLOCK(cs_wallet) { if (pwalletdbEncryption) return pwalletdbEncryption->WriteCryptedKey(vchPubKey, vchCryptedSecret); else return CWalletDB(strWalletFile).WriteCryptedKey(vchPubKey, vchCryptedSecret); } + return false; } -bool CWallet::Unlock(const string& strWalletPassphrase) +bool CWallet::Unlock(const SecureString& strWalletPassphrase) { - CRITICAL_BLOCK(cs_vMasterKey) - { - if (!IsLocked()) - return false; + if (!IsLocked()) + return false; - CCrypter crypter; - CKeyingMaterial vMasterKey; + CCrypter crypter; + CKeyingMaterial vMasterKey; + CRITICAL_BLOCK(cs_wallet) BOOST_FOREACH(const MasterKeyMap::value_type& pMasterKey, mapMasterKeys) { if(!crypter.SetKeyFromPassphrase(strWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod)) @@ -61,16 +60,15 @@ bool CWallet::Unlock(const string& strWalletPassphrase) if (CCryptoKeyStore::Unlock(vMasterKey)) return true; } - } return false; } -bool CWallet::ChangeWalletPassphrase(const string& strOldWalletPassphrase, const string& strNewWalletPassphrase) +bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase) { - CRITICAL_BLOCK(cs_vMasterKey) - { - bool fWasLocked = IsLocked(); + bool fWasLocked = IsLocked(); + CRITICAL_BLOCK(cs_wallet) + { Lock(); CCrypter crypter; @@ -79,7 +77,7 @@ bool CWallet::ChangeWalletPassphrase(const string& strOldWalletPassphrase, const { if(!crypter.SetKeyFromPassphrase(strOldWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod)) return false; - if(!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey)) + if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey)) return false; if (CCryptoKeyStore::Unlock(vMasterKey)) { @@ -107,6 +105,7 @@ bool CWallet::ChangeWalletPassphrase(const string& strOldWalletPassphrase, const } } } + return false; } @@ -123,46 +122,44 @@ public: ) }; -bool CWallet::EncryptWallet(const string& strWalletPassphrase) +bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase) { - CRITICAL_BLOCK(cs_KeyStore) - CRITICAL_BLOCK(cs_vMasterKey) - CRITICAL_BLOCK(cs_pwalletdbEncryption) - { - if (IsCrypted()) - return false; + if (IsCrypted()) + return false; - CKeyingMaterial vMasterKey; - RandAddSeedPerfmon(); + CKeyingMaterial vMasterKey; + RandAddSeedPerfmon(); - vMasterKey.resize(WALLET_CRYPTO_KEY_SIZE); - RAND_bytes(&vMasterKey[0], WALLET_CRYPTO_KEY_SIZE); + vMasterKey.resize(WALLET_CRYPTO_KEY_SIZE); + RAND_bytes(&vMasterKey[0], WALLET_CRYPTO_KEY_SIZE); - CMasterKey kMasterKey; + CMasterKey kMasterKey; - RandAddSeedPerfmon(); - kMasterKey.vchSalt.resize(WALLET_CRYPTO_SALT_SIZE); - RAND_bytes(&kMasterKey.vchSalt[0], WALLET_CRYPTO_SALT_SIZE); + RandAddSeedPerfmon(); + kMasterKey.vchSalt.resize(WALLET_CRYPTO_SALT_SIZE); + RAND_bytes(&kMasterKey.vchSalt[0], WALLET_CRYPTO_SALT_SIZE); - CCrypter crypter; - int64 nStartTime = GetTimeMillis(); - crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, 25000, kMasterKey.nDerivationMethod); - kMasterKey.nDeriveIterations = 2500000 / ((double)(GetTimeMillis() - nStartTime)); + CCrypter crypter; + int64 nStartTime = GetTimeMillis(); + crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, 25000, kMasterKey.nDerivationMethod); + kMasterKey.nDeriveIterations = 2500000 / ((double)(GetTimeMillis() - nStartTime)); - nStartTime = GetTimeMillis(); - crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod); - kMasterKey.nDeriveIterations = (kMasterKey.nDeriveIterations + kMasterKey.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime))) / 2; + nStartTime = GetTimeMillis(); + crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod); + kMasterKey.nDeriveIterations = (kMasterKey.nDeriveIterations + kMasterKey.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime))) / 2; - if (kMasterKey.nDeriveIterations < 25000) - kMasterKey.nDeriveIterations = 25000; + if (kMasterKey.nDeriveIterations < 25000) + kMasterKey.nDeriveIterations = 25000; - printf("Encrypting Wallet with an nDeriveIterations of %i\n", kMasterKey.nDeriveIterations); + printf("Encrypting Wallet with an nDeriveIterations of %i\n", kMasterKey.nDeriveIterations); - if (!crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod)) - return false; - if (!crypter.Encrypt(vMasterKey, kMasterKey.vchCryptedKey)) - return false; + if (!crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod)) + return false; + if (!crypter.Encrypt(vMasterKey, kMasterKey.vchCryptedKey)) + return false; + CRITICAL_BLOCK(cs_wallet) + { mapMasterKeys[++nMasterKeyMaxID] = kMasterKey; if (fFileBacked) { @@ -190,7 +187,15 @@ bool CWallet::EncryptWallet(const string& strWalletPassphrase) } Lock(); + Unlock(strWalletPassphrase); + NewKeyPool(); + Lock(); + + // 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); } + return true; } @@ -199,7 +204,7 @@ void CWallet::WalletUpdateSpent(const CTransaction &tx) // Anytime a signature is successfully verified, it's proof the outpoint is spent. // Update the wallet spent flag if it doesn't know due to wallet.dat being // restored from backup or the user making copies of wallet.dat. - CRITICAL_BLOCK(cs_mapWallet) + CRITICAL_BLOCK(cs_wallet) { BOOST_FOREACH(const CTxIn& txin, tx.vin) { @@ -222,7 +227,7 @@ void CWallet::WalletUpdateSpent(const CTransaction &tx) bool CWallet::AddToWallet(const CWalletTx& wtxIn) { uint256 hash = wtxIn.GetHash(); - CRITICAL_BLOCK(cs_mapWallet) + CRITICAL_BLOCK(cs_wallet) { // Inserts only if not already there, returns tx inserted or tx found pair<map<uint256, CWalletTx>::iterator, bool> ret = mapWallet.insert(make_pair(hash, wtxIn)); @@ -262,7 +267,7 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn) if (fInsertedNew || fUpdated) if (!wtx.WriteToDisk()) return false; - +#ifndef QT_GUI // If default receiving address gets used, replace it with a new one CScript scriptDefaultKey; scriptDefaultKey.SetBitcoinAddress(vchDefaultKey); @@ -270,11 +275,15 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn) { if (txout.scriptPubKey == scriptDefaultKey) { - SetDefaultKey(GetOrReuseKeyFromPool()); - SetAddressBookName(CBitcoinAddress(vchDefaultKey), ""); + std::vector<unsigned char> newDefaultKey; + if (GetKeyFromPool(newDefaultKey, false)) + { + SetDefaultKey(newDefaultKey); + SetAddressBookName(CBitcoinAddress(vchDefaultKey), ""); + } } } - +#endif // Notify UI vWalletUpdated.push_back(hash); @@ -287,21 +296,27 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn) return true; } +// Add a transaction to the wallet, or update it. +// pblock is optional, but should be provided if the transaction is known to be in a block. +// If fUpdate is true, existing transactions will be updated. bool CWallet::AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate) { uint256 hash = tx.GetHash(); - bool fExisted = mapWallet.count(hash); - if (fExisted && !fUpdate) return false; - if (fExisted || IsMine(tx) || IsFromMe(tx)) + CRITICAL_BLOCK(cs_wallet) { - CWalletTx wtx(this,tx); - // Get merkle branch if transaction was found in a block - if (pblock) - wtx.SetMerkleBranch(pblock); - return AddToWallet(wtx); + bool fExisted = mapWallet.count(hash); + if (fExisted && !fUpdate) return false; + if (fExisted || IsMine(tx) || IsFromMe(tx)) + { + CWalletTx wtx(this,tx); + // Get merkle branch if transaction was found in a block + if (pblock) + wtx.SetMerkleBranch(pblock); + return AddToWallet(wtx); + } + else + WalletUpdateSpent(tx); } - else - WalletUpdateSpent(tx); return false; } @@ -309,7 +324,7 @@ bool CWallet::EraseFromWallet(uint256 hash) { if (!fFileBacked) return false; - CRITICAL_BLOCK(cs_mapWallet) + CRITICAL_BLOCK(cs_wallet) { if (mapWallet.erase(hash)) CWalletDB(strWalletFile).EraseTx(hash); @@ -320,7 +335,7 @@ bool CWallet::EraseFromWallet(uint256 hash) bool CWallet::IsMine(const CTxIn &txin) const { - CRITICAL_BLOCK(cs_mapWallet) + CRITICAL_BLOCK(cs_wallet) { map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash); if (mi != mapWallet.end()) @@ -336,7 +351,7 @@ bool CWallet::IsMine(const CTxIn &txin) const int64 CWallet::GetDebit(const CTxIn &txin) const { - CRITICAL_BLOCK(cs_mapWallet) + CRITICAL_BLOCK(cs_wallet) { map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash); if (mi != mapWallet.end()) @@ -352,19 +367,6 @@ int64 CWallet::GetDebit(const CTxIn &txin) const int64 CWalletTx::GetTxTime() const { - if (!fTimeReceivedIsTxTime && hashBlock != 0) - { - // If we did not receive the transaction directly, we rely on the block's - // time to figure out when it happened. We use the median over a range - // of blocks to try to filter out inaccurate block times. - map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hashBlock); - if (mi != mapBlockIndex.end()) - { - CBlockIndex* pindex = (*mi).second; - if (pindex) - return pindex->GetMedianTime(); - } - } return nTimeReceived; } @@ -372,7 +374,7 @@ int CWalletTx::GetRequestCount() const { // Returns -1 if it wasn't being tracked int nRequests = -1; - CRITICAL_BLOCK(pwallet->cs_mapRequestCount) + CRITICAL_BLOCK(pwallet->cs_wallet) { if (IsCoinBase()) { @@ -478,7 +480,7 @@ void CWalletTx::GetAccountAmounts(const string& strAccount, int64& nGenerated, i nSent += s.second; nFee = allFee; } - CRITICAL_BLOCK(pwallet->cs_mapAddressBook) + CRITICAL_BLOCK(pwallet->cs_wallet) { BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress,int64)& r, listReceived) { @@ -508,7 +510,7 @@ void CWalletTx::AddSupportingTransactions(CTxDB& txdb) vWorkQueue.push_back(txin.prevout.hash); // This critsect is OK because txdb is already open - CRITICAL_BLOCK(pwallet->cs_mapWallet) + CRITICAL_BLOCK(pwallet->cs_wallet) { map<uint256, const CMerkleTx*> mapWalletPrev; set<uint256> setAlreadyDone; @@ -559,12 +561,15 @@ bool CWalletTx::WriteToDisk() return CWalletDB(pwallet->strWalletFile).WriteTx(GetHash(), *this); } +// Scan the block chain (starting in pindexStart) for transactions +// from or to us. If fUpdate is true, found transactions that already +// exist in the wallet will be updated. int CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate) { int ret = 0; CBlockIndex* pindex = pindexStart; - CRITICAL_BLOCK(cs_mapWallet) + CRITICAL_BLOCK(cs_wallet) { while (pindex) { @@ -585,7 +590,7 @@ void CWallet::ReacceptWalletTransactions() { CTxDB txdb("r"); bool fRepeat = true; - while (fRepeat) CRITICAL_BLOCK(cs_mapWallet) + while (fRepeat) CRITICAL_BLOCK(cs_wallet) { fRepeat = false; vector<CDiskTxPos> vMissingTx; @@ -688,7 +693,7 @@ void CWallet::ResendWalletTransactions() // Rebroadcast any of our txes that aren't in a block yet printf("ResendWalletTransactions()\n"); CTxDB txdb("r"); - CRITICAL_BLOCK(cs_mapWallet) + CRITICAL_BLOCK(cs_wallet) { // Sort them in chronological order multimap<unsigned int, CWalletTx*> mapSorted; @@ -722,7 +727,7 @@ void CWallet::ResendWalletTransactions() int64 CWallet::GetBalance() const { int64 nTotal = 0; - CRITICAL_BLOCK(cs_mapWallet) + CRITICAL_BLOCK(cs_wallet) { for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it) { @@ -736,6 +741,21 @@ int64 CWallet::GetBalance() const return nTotal; } +int64 CWallet::GetUnconfirmedBalance() const +{ + int64 nTotal = 0; + CRITICAL_BLOCK(cs_wallet) + { + for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it) + { + const CWalletTx* pcoin = &(*it).second; + if (pcoin->IsFinal() && pcoin->IsConfirmed()) + continue; + nTotal += pcoin->GetAvailableCredit(); + } + } + return nTotal; +} bool CWallet::SelectCoinsMinConf(int64 nTargetValue, int nConfMine, int nConfTheirs, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const { @@ -749,7 +769,7 @@ bool CWallet::SelectCoinsMinConf(int64 nTargetValue, int nConfMine, int nConfThe vector<pair<int64, pair<const CWalletTx*,unsigned int> > > vValue; int64 nTotalLower = 0; - CRITICAL_BLOCK(cs_mapWallet) + CRITICAL_BLOCK(cs_wallet) { vector<const CWalletTx*> vCoins; vCoins.reserve(mapWallet.size()); @@ -907,10 +927,10 @@ bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend, CW wtxNew.pwallet = this; CRITICAL_BLOCK(cs_main) + CRITICAL_BLOCK(cs_wallet) { // txdb must be opened before the mapWallet lock CTxDB txdb("r"); - CRITICAL_BLOCK(cs_mapWallet) { nFeeRet = nTransactionFee; loop @@ -1021,9 +1041,9 @@ bool CWallet::CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& w bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey) { CRITICAL_BLOCK(cs_main) + CRITICAL_BLOCK(cs_wallet) { printf("CommitTransaction:\n%s", wtxNew.ToString().c_str()); - CRITICAL_BLOCK(cs_mapWallet) { // This is only to keep the database open to defeat the auto-flush for the // duration of this scope. This is the only place where this optimization @@ -1053,8 +1073,7 @@ bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey) } // Track how many getdata requests our transaction gets - CRITICAL_BLOCK(cs_mapRequestCount) - mapRequestCount[wtxNew.GetHash()] = 0; + mapRequestCount[wtxNew.GetHash()] = 0; // Broadcast if (!wtxNew.AcceptToMemoryPool()) @@ -1072,29 +1091,26 @@ bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey) -// requires cs_main lock string CWallet::SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, bool fAskFee) { CReserveKey reservekey(this); int64 nFeeRequired; - CRITICAL_BLOCK(cs_vMasterKey) + + if (IsLocked()) { - if (IsLocked()) - { - string strError = _("Error: Wallet locked, unable to create transaction "); - printf("SendMoney() : %s", strError.c_str()); - return strError; - } - if (!CreateTransaction(scriptPubKey, nValue, wtxNew, reservekey, nFeeRequired)) - { - string strError; - if (nValue + nFeeRequired > GetBalance()) - strError = strprintf(_("Error: This transaction requires a transaction fee of at least %s because of its amount, complexity, or use of recently received funds "), FormatMoney(nFeeRequired).c_str()); - else - strError = _("Error: Transaction creation failed "); - printf("SendMoney() : %s", strError.c_str()); - return strError; - } + string strError = _("Error: Wallet locked, unable to create transaction "); + printf("SendMoney() : %s", strError.c_str()); + return strError; + } + if (!CreateTransaction(scriptPubKey, nValue, wtxNew, reservekey, nFeeRequired)) + { + string strError; + if (nValue + nFeeRequired > GetBalance()) + strError = strprintf(_("Error: This transaction requires a transaction fee of at least %s because of its amount, complexity, or use of recently received funds "), FormatMoney(nFeeRequired).c_str()); + else + strError = _("Error: Transaction creation failed "); + printf("SendMoney() : %s", strError.c_str()); + return strError; } if (fAskFee && !ThreadSafeAskFee(nFeeRequired, _("Sending..."), NULL)) @@ -1109,7 +1125,6 @@ string CWallet::SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, -// requires cs_main lock string CWallet::SendMoneyToBitcoinAddress(const CBitcoinAddress& address, int64 nValue, CWalletTx& wtxNew, bool fAskFee) { // Check amount @@ -1134,6 +1149,18 @@ int CWallet::LoadWallet(bool& fFirstRunRet) return false; fFirstRunRet = false; int nLoadWalletRet = CWalletDB(strWalletFile,"cr+").LoadWallet(this); + if (nLoadWalletRet == DB_NEED_REWRITE) + { + if (CDB::Rewrite(strWalletFile, "\x04pool")) + { + setKeyPool.clear(); + // Note: can't top-up keypool here, because wallet is locked. + // User will be prompted to unlock wallet the next operation + // the requires a new key. + } + nLoadWalletRet = DB_NEED_REWRITE; + } + if (nLoadWalletRet != DB_LOAD_OK) return nLoadWalletRet; fFirstRunRet = vchDefaultKey.empty(); @@ -1143,7 +1170,10 @@ int CWallet::LoadWallet(bool& fFirstRunRet) // Create new keyUser and set as default key RandAddSeedPerfmon(); - SetDefaultKey(GetOrReuseKeyFromPool()); + std::vector<unsigned char> newDefaultKey; + if (!GetKeyFromPool(newDefaultKey, false)) + return DB_LOAD_FAIL; + SetDefaultKey(newDefaultKey); if (!SetAddressBookName(CBitcoinAddress(vchDefaultKey), "")) return DB_LOAD_FAIL; } @@ -1172,7 +1202,7 @@ bool CWallet::DelAddressBookName(const CBitcoinAddress& address) void CWallet::PrintWallet(const CBlock& block) { - CRITICAL_BLOCK(cs_mapWallet) + CRITICAL_BLOCK(cs_wallet) { if (mapWallet.count(block.vtx[0].GetHash())) { @@ -1185,7 +1215,7 @@ void CWallet::PrintWallet(const CBlock& block) bool CWallet::GetTransaction(const uint256 &hashTx, CWalletTx& wtx) { - CRITICAL_BLOCK(cs_mapWallet) + CRITICAL_BLOCK(cs_wallet) { map<uint256, CWalletTx>::iterator mi = mapWallet.find(hashTx); if (mi != mapWallet.end()) @@ -1216,12 +1246,37 @@ bool GetWalletFile(CWallet* pwallet, string &strWalletFileOut) return true; } +// +// Mark old keypool keys as used, +// and generate all new keys +// +bool CWallet::NewKeyPool() +{ + CRITICAL_BLOCK(cs_wallet) + { + CWalletDB walletdb(strWalletFile); + BOOST_FOREACH(int64 nIndex, setKeyPool) + walletdb.ErasePool(nIndex); + setKeyPool.clear(); + + if (IsLocked()) + return false; + + int64 nKeys = max(GetArg("-keypool", 100), (int64)0); + for (int i = 0; i < nKeys; i++) + { + int64 nIndex = i+1; + walletdb.WritePool(nIndex, CKeyPool(GenerateNewKey())); + setKeyPool.insert(nIndex); + } + printf("CWallet::NewKeyPool wrote %"PRI64d" new keys\n", nKeys); + } + return true; +} + bool CWallet::TopUpKeyPool() { - CRITICAL_BLOCK(cs_main) - CRITICAL_BLOCK(cs_mapWallet) - CRITICAL_BLOCK(cs_setKeyPool) - CRITICAL_BLOCK(cs_vMasterKey) + CRITICAL_BLOCK(cs_wallet) { if (IsLocked()) return false; @@ -1248,9 +1303,7 @@ void CWallet::ReserveKeyFromKeyPool(int64& nIndex, CKeyPool& keypool) { nIndex = -1; keypool.vchPubKey.clear(); - CRITICAL_BLOCK(cs_main) - CRITICAL_BLOCK(cs_mapWallet) - CRITICAL_BLOCK(cs_setKeyPool) + CRITICAL_BLOCK(cs_wallet) { if (!IsLocked()) TopUpKeyPool(); @@ -1278,10 +1331,7 @@ void CWallet::KeepKey(int64 nIndex) if (fFileBacked) { CWalletDB walletdb(strWalletFile); - CRITICAL_BLOCK(cs_main) - { - walletdb.ErasePool(nIndex); - } + walletdb.ErasePool(nIndex); } printf("keypool keep %"PRI64d"\n", nIndex); } @@ -1289,20 +1339,33 @@ void CWallet::KeepKey(int64 nIndex) void CWallet::ReturnKey(int64 nIndex) { // Return to key pool - CRITICAL_BLOCK(cs_setKeyPool) + CRITICAL_BLOCK(cs_wallet) setKeyPool.insert(nIndex); printf("keypool return %"PRI64d"\n", nIndex); } -vector<unsigned char> CWallet::GetOrReuseKeyFromPool() +bool CWallet::GetKeyFromPool(vector<unsigned char>& result, bool fAllowReuse) { int64 nIndex = 0; CKeyPool keypool; - ReserveKeyFromKeyPool(nIndex, keypool); - if(nIndex == -1) - return vchDefaultKey; - KeepKey(nIndex); - return keypool.vchPubKey; + CRITICAL_BLOCK(cs_wallet) + { + ReserveKeyFromKeyPool(nIndex, keypool); + if (nIndex == -1) + { + if (fAllowReuse && !vchDefaultKey.empty()) + { + result = vchDefaultKey; + return true; + } + if (IsLocked()) return false; + result = GenerateNewKey(); + return true; + } + KeepKey(nIndex); + result = keypool.vchPubKey; + } + return true; } int64 CWallet::GetOldestKeyPoolTime() |