// Copyright (c) 2009-2010 Satoshi Nakamoto
// 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.
#ifndef BITCOIN_WALLET_H
#define BITCOIN_WALLET_H
-#include "bignum.h"
+#include <string>
+#include <vector>
+
+#include <stdlib.h>
+
+#include "main.h"
#include "key.h"
+#include "keystore.h"
#include "script.h"
+#include "ui_interface.h"
+#include "util.h"
+#include "walletdb.h"
+extern bool fWalletUnlockMintOnly;
+class CAccountingEntry;
class CWalletTx;
class CReserveKey;
-class CWalletDB;
+class COutput;
+
+/** (client) version numbers for particular wallet features */
+enum WalletFeature
+{
+ FEATURE_BASE = 10500, // the earliest version new wallets supports (only useful for getinfo's clientversion output)
+
+ FEATURE_WALLETCRYPT = 40000, // wallet encryption
+ FEATURE_COMPRPUBKEY = 60000, // compressed public keys
+
+ FEATURE_LATEST = 60000
+};
+
+/** Stake weight calculation mode */
+enum StakeWeightMode
+{
+ STAKE_NORMAL = 0, // all 30+ days old inputs
+ STAKE_MAXWEIGHT = 1, // only 90+ days old inputs
+ STAKE_MINWEIGHT = 3 // only [30-90] days old inputs
+};
+
+/** A key pool entry */
+class CKeyPool
+{
+public:
+ int64 nTime;
+ CPubKey vchPubKey;
+ CKeyPool()
+ {
+ nTime = GetTime();
+ }
+
+ CKeyPool(const CPubKey& vchPubKeyIn)
+ {
+ nTime = GetTime();
+ vchPubKey = vchPubKeyIn;
+ }
+
+ IMPLEMENT_SERIALIZE
+ (
+ if (!(nType & SER_GETHASH))
+ READWRITE(nVersion);
+ READWRITE(nTime);
+ READWRITE(vchPubKey);
+ )
+};
+
+/** A CWallet is an extension of a keystore, which also maintains a set of transactions and balances,
+ * and provides the ability to create new transactions.
+ */
class CWallet : public CCryptoKeyStore
{
private:
- bool SelectCoinsMinConf(int64 nTargetValue, int nConfMine, int nConfTheirs, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const;
- bool SelectCoins(int64 nTargetValue, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const;
+ bool SelectCoins(int64 nTargetValue, unsigned int nSpendTime, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const;
CWalletDB *pwalletdbEncryption;
+ // the current wallet version: clients below this version are not able to load the wallet
+ int nWalletVersion;
+
+ // the maximum wallet format version: memory-only variable that specifies to what version this wallet may be upgraded
+ int nWalletMaxVersion;
+
public:
mutable CCriticalSection cs_wallet;
std::string strWalletFile;
std::set<int64> setKeyPool;
+ std::map<CKeyID, CKeyMetadata> mapKeyMetadata;
+
typedef std::map<unsigned int, CMasterKey> MasterKeyMap;
MasterKeyMap mapMasterKeys;
CWallet()
{
+ nWalletVersion = FEATURE_BASE;
+ nWalletMaxVersion = FEATURE_BASE;
fFileBacked = false;
nMasterKeyMaxID = 0;
pwalletdbEncryption = NULL;
+ nOrderPosNext = 0;
}
CWallet(std::string strWalletFileIn)
{
+ nWalletVersion = FEATURE_BASE;
+ nWalletMaxVersion = FEATURE_BASE;
strWalletFile = strWalletFileIn;
fFileBacked = true;
nMasterKeyMaxID = 0;
pwalletdbEncryption = NULL;
+ nOrderPosNext = 0;
}
std::map<uint256, CWalletTx> mapWallet;
- std::vector<uint256> vWalletUpdated;
-
+ int64 nOrderPosNext;
std::map<uint256, int> mapRequestCount;
- std::map<CBitcoinAddress, std::string> mapAddressBook;
+ std::map<CTxDestination, std::string> mapAddressBook;
- std::vector<unsigned char> vchDefaultKey;
+ CPubKey vchDefaultKey;
+ int64 nTimeFirstKey;
+ // check whether we are allowed to upgrade (or already support) to the named feature
+ bool CanSupportFeature(enum WalletFeature wf) { return nWalletMaxVersion >= wf; }
+
+ void AvailableCoins(std::vector<COutput>& vCoins, bool fOnlyConfirmed=true) const;
+ bool SelectCoinsMinConf(int64 nTargetValue, unsigned int nSpendTime, int nConfMine, int nConfTheirs, std::vector<COutput> vCoins, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const;
// keystore implementation
+ // Generate a new key
+ CPubKey GenerateNewKey();
+ // Adds a key to the store, and saves it to disk.
bool AddKey(const CKey& key);
+ // Adds a key to the store, without saving it to disk (used by LoadWallet)
bool LoadKey(const CKey& key) { return CCryptoKeyStore::AddKey(key); }
- bool AddCryptedKey(const std::vector<unsigned char> &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
- bool LoadCryptedKey(const std::vector<unsigned char> &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret) { return CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret); }
+ // Load metadata (used by LoadWallet)
+ bool LoadKeyMetadata(const CPubKey &pubkey, const CKeyMetadata &metadata);
+
+ bool LoadMinVersion(int nVersion) { nWalletVersion = nVersion; nWalletMaxVersion = std::max(nWalletMaxVersion, nVersion); return true; }
+
+ // Adds an encrypted key to the store, and saves it to disk.
+ bool AddCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret);
+ // Adds an encrypted key to the store, without saving it to disk (used by LoadWallet)
+ bool LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret) { SetMinVersion(FEATURE_WALLETCRYPT); return CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret); }
+ bool AddCScript(const CScript& redeemScript);
+ bool LoadCScript(const CScript& redeemScript) { return CCryptoKeyStore::AddCScript(redeemScript); }
+
+ bool Unlock(const SecureString& strWalletPassphrase);
+ bool ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase);
+ bool EncryptWallet(const SecureString& strWalletPassphrase);
+
+ void GetKeyBirthTimes(std::map<CKeyID, int64> &mapKeyBirth) const;
+
- bool Unlock(const std::string& strWalletPassphrase);
- bool ChangeWalletPassphrase(const std::string& strOldWalletPassphrase, const std::string& strNewWalletPassphrase);
- bool EncryptWallet(const std::string& strWalletPassphrase);
+ /** Increment the next transaction order id
+ @return next transaction order id
+ */
+ int64 IncOrderPosNext(CWalletDB *pwalletdb = NULL);
+ typedef std::pair<CWalletTx*, CAccountingEntry*> TxPair;
+ typedef std::multimap<int64, TxPair > TxItems;
+
+ /** Get the wallet's activity log
+ @return multimap of ordered transactions and accounting entries
+ @warning Returned pointers are *only* valid within the scope of passed acentries
+ */
+ TxItems OrderedTxItems(std::list<CAccountingEntry>& acentries, std::string strAccount = "");
+
+ void MarkDirty();
bool AddToWallet(const CWalletTx& wtxIn);
- bool AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate = false);
+ bool AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate = false, bool fFindBlock = false);
bool EraseFromWallet(uint256 hash);
void WalletUpdateSpent(const CTransaction& prevout);
int ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate = false);
+ int ScanForWalletTransaction(const uint256& hashTx);
void ReacceptWalletTransactions();
void ResendWalletTransactions();
int64 GetBalance() const;
+ int64 GetUnconfirmedBalance() const;
+ int64 GetImmatureBalance() const;
+ int64 GetStake() const;
+ int64 GetNewMint() const;
bool CreateTransaction(const std::vector<std::pair<CScript, int64> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
bool CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet);
bool CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey);
+
+ uint64 GetStakeWeight(const CKeyStore& keystore, enum StakeWeightMode mode=STAKE_NORMAL);
+ bool CreateCoinStake(const CKeyStore& keystore, unsigned int nBits, int64 nSearchInterval, CTransaction& txNew);
+
std::string SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false);
- std::string SendMoneyToBitcoinAddress(const CBitcoinAddress& address, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false);
+ std::string SendMoneyToDestination(const CTxDestination &address, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false);
bool NewKeyPool();
- bool TopUpKeyPool();
+ bool TopUpKeyPool(unsigned int nSize = 0);
+ int64 AddReserveKey(const CKeyPool& keypool);
void ReserveKeyFromKeyPool(int64& nIndex, CKeyPool& keypool);
void KeepKey(int64 nIndex);
void ReturnKey(int64 nIndex);
- bool GetKeyFromPool(std::vector<unsigned char> &key, bool fAllowReuse=true);
+ bool GetKeyFromPool(CPubKey &key, bool fAllowReuse=true);
int64 GetOldestKeyPoolTime();
+ void GetAllReserveKeys(std::set<CKeyID>& setAddress) const;
+
+ std::set< std::set<CTxDestination> > GetAddressGroupings();
+ std::map<CTxDestination, int64> GetAddressBalances();
bool IsMine(const CTxIn& txin) const;
int64 GetDebit(const CTxIn& txin) const;
throw std::runtime_error("CWallet::GetCredit() : value out of range");
return (IsMine(txout) ? txout.nValue : 0);
}
- bool IsChange(const CTxOut& txout) const
- {
- CBitcoinAddress address;
- if (ExtractAddress(txout.scriptPubKey, this, address))
- CRITICAL_BLOCK(cs_wallet)
- if (!mapAddressBook.count(address))
- return true;
- return false;
- }
+ bool IsChange(const CTxOut& txout) const;
int64 GetChange(const CTxOut& txout) const
{
if (!MoneyRange(txout.nValue))
}
return nChange;
}
- void SetBestChain(const CBlockLocator& loc)
- {
- CWalletDB walletdb(strWalletFile);
- walletdb.WriteBestBlock(loc);
- }
+ void SetBestChain(const CBlockLocator& loc);
- int LoadWallet(bool& fFirstRunRet);
-// bool BackupWallet(const std::string& strDest);
+ DBErrors LoadWallet(bool& fFirstRunRet);
- bool SetAddressBookName(const CBitcoinAddress& address, const std::string& strName);
+ bool SetAddressBookName(const CTxDestination& address, const std::string& strName);
- bool DelAddressBookName(const CBitcoinAddress& address);
+ bool DelAddressBookName(const CTxDestination& address);
- void UpdatedTransaction(const uint256 &hashTx)
- {
- CRITICAL_BLOCK(cs_wallet)
- vWalletUpdated.push_back(hashTx);
- }
+ void UpdatedTransaction(const uint256 &hashTx);
void PrintWallet(const CBlock& block);
void Inventory(const uint256 &hash)
{
- CRITICAL_BLOCK(cs_wallet)
{
+ LOCK(cs_wallet);
std::map<uint256, int>::iterator mi = mapRequestCount.find(hash);
if (mi != mapRequestCount.end())
(*mi).second++;
}
}
- int GetKeyPoolSize()
+ unsigned int GetKeyPoolSize()
{
return setKeyPool.size();
}
bool GetTransaction(const uint256 &hashTx, CWalletTx& wtx);
- bool SetDefaultKey(const std::vector<unsigned char> &vchPubKey);
-};
+ bool SetDefaultKey(const CPubKey &vchPubKey);
+
+ // signify that a particular wallet feature is now used. this may change nWalletVersion and nWalletMaxVersion if those are lower
+ bool SetMinVersion(enum WalletFeature, CWalletDB* pwalletdbIn = NULL, bool fExplicit = false);
+
+ // change which version we're allowed to upgrade to (note that this does not immediately imply upgrading to that format)
+ bool SetMaxVersion(int nVersion);
+
+ // get the current wallet format (the oldest client version guaranteed to understand this wallet)
+ int GetVersion() { return nWalletVersion; }
+ void FixSpentCoins(int& nMismatchSpent, int64& nBalanceInQuestion, bool fCheckOnly = false);
+ void DisableTransaction(const CTransaction &tx);
+ /** Address book entry changed.
+ * @note called with lock cs_wallet held.
+ */
+ boost::signals2::signal<void (CWallet *wallet, const CTxDestination &address, const std::string &label, bool isMine, ChangeType status)> NotifyAddressBookChanged;
+
+ /** Wallet transaction added, removed or updated.
+ * @note called with lock cs_wallet held.
+ */
+ boost::signals2::signal<void (CWallet *wallet, const uint256 &hashTx, ChangeType status)> NotifyTransactionChanged;
+};
+
+/** A key allocated from the key pool. */
class CReserveKey
{
protected:
CWallet* pwallet;
int64 nIndex;
- std::vector<unsigned char> vchPubKey;
+ CPubKey vchPubKey;
public:
CReserveKey(CWallet* pwalletIn)
{
}
void ReturnKey();
- std::vector<unsigned char> GetReservedKey();
+ CPubKey GetReservedKey();
void KeepKey();
};
-//
-// A transaction with a bunch of additional info that only the owner cares
-// about. It includes any unrecorded transactions needed to link it back
-// to the block chain.
-//
+typedef std::map<std::string, std::string> mapValue_t;
+
+
+static void ReadOrderPos(int64& nOrderPos, mapValue_t& mapValue)
+{
+ if (!mapValue.count("n"))
+ {
+ nOrderPos = -1; // TODO: calculate elsewhere
+ return;
+ }
+ nOrderPos = atoi64(mapValue["n"].c_str());
+}
+
+
+static void WriteOrderPos(const int64& nOrderPos, mapValue_t& mapValue)
+{
+ if (nOrderPos == -1)
+ return;
+ mapValue["n"] = i64tostr(nOrderPos);
+}
+
+
+/** A transaction with a bunch of additional info that only the owner cares about.
+ * It includes any unrecorded transactions needed to link it back to the block chain.
+ */
class CWalletTx : public CMerkleTx
{
-public:
+private:
const CWallet* pwallet;
+public:
std::vector<CMerkleTx> vtxPrev;
- std::map<std::string, std::string> mapValue;
+ mapValue_t mapValue;
std::vector<std::pair<std::string, std::string> > vOrderForm;
unsigned int fTimeReceivedIsTxTime;
unsigned int nTimeReceived; // time received by this node
+ unsigned int nTimeSmart;
char fFromMe;
std::string strFromAccount;
- std::vector<char> vfSpent;
+ std::vector<char> vfSpent; // which outputs are already spent
+ int64 nOrderPos; // position in ordered transaction list
// memory only
- mutable char fDebitCached;
- mutable char fCreditCached;
- mutable char fAvailableCreditCached;
- mutable char fChangeCached;
+ mutable bool fDebitCached;
+ mutable bool fCreditCached;
+ mutable bool fAvailableCreditCached;
+ mutable bool fChangeCached;
mutable int64 nDebitCached;
mutable int64 nCreditCached;
mutable int64 nAvailableCreditCached;
mutable int64 nChangeCached;
- // memory only UI hints
- mutable unsigned int nTimeDisplayed;
- mutable int nLinesDisplayed;
- mutable char fConfirmedDisplayed;
-
CWalletTx()
{
Init(NULL);
vOrderForm.clear();
fTimeReceivedIsTxTime = false;
nTimeReceived = 0;
+ nTimeSmart = 0;
fFromMe = false;
strFromAccount.clear();
vfSpent.clear();
nCreditCached = 0;
nAvailableCreditCached = 0;
nChangeCached = 0;
- nTimeDisplayed = 0;
- nLinesDisplayed = 0;
- fConfirmedDisplayed = false;
+ nOrderPos = -1;
}
IMPLEMENT_SERIALIZE
fSpent = true;
}
pthis->mapValue["spent"] = str;
+
+ WriteOrderPos(pthis->nOrderPos, pthis->mapValue);
+
+ if (nTimeSmart)
+ pthis->mapValue["timesmart"] = strprintf("%u", nTimeSmart);
}
nSerSize += SerReadWrite(s, *(CMerkleTx*)this, nType, nVersion,ser_action);
pthis->vfSpent.push_back(c != '0');
else
pthis->vfSpent.assign(vout.size(), fSpent);
+
+ ReadOrderPos(pthis->nOrderPos, pthis->mapValue);
+
+ pthis->nTimeSmart = mapValue.count("timesmart") ? (unsigned int)atoi64(pthis->mapValue["timesmart"]) : 0;
}
pthis->mapValue.erase("fromaccount");
pthis->mapValue.erase("version");
pthis->mapValue.erase("spent");
+ pthis->mapValue.erase("n");
+ pthis->mapValue.erase("timesmart");
)
// marks certain txout's as spent
bool UpdateSpent(const std::vector<char>& vfNewSpent)
{
bool fReturn = false;
- for (int i=0; i < vfNewSpent.size(); i++)
+ for (unsigned int i = 0; i < vfNewSpent.size(); i++)
{
if (i == vfSpent.size())
break;
return fReturn;
}
+ // make sure balances are recalculated
void MarkDirty()
{
fCreditCached = false;
fChangeCached = false;
}
+ void BindWallet(CWallet *pwalletIn)
+ {
+ pwallet = pwalletIn;
+ MarkDirty();
+ }
+
void MarkSpent(unsigned int nOut)
{
if (nOut >= vout.size())
}
}
+ void MarkUnspent(unsigned int nOut)
+ {
+ if (nOut >= vout.size())
+ throw std::runtime_error("CWalletTx::MarkUnspent() : nOut out of range");
+ vfSpent.resize(vout.size());
+ if (vfSpent[nOut])
+ {
+ vfSpent[nOut] = false;
+ fAvailableCreditCached = false;
+ }
+ }
+
bool IsSpent(unsigned int nOut) const
{
if (nOut >= vout.size())
int64 GetCredit(bool fUseCache=true) const
{
// Must wait until coinbase is safely deep enough in the chain before valuing it
- if (IsCoinBase() && GetBlocksToMaturity() > 0)
+ if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
return 0;
// GetBalance can assume transactions in mapWallet won't change
int64 GetAvailableCredit(bool fUseCache=true) const
{
// Must wait until coinbase is safely deep enough in the chain before valuing it
- if (IsCoinBase() && GetBlocksToMaturity() > 0)
+ if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
return 0;
if (fUseCache && fAvailableCreditCached)
return nAvailableCreditCached;
int64 nCredit = 0;
- for (int i = 0; i < vout.size(); i++)
+ for (unsigned int i = 0; i < vout.size(); i++)
{
if (!IsSpent(i))
{
return nChangeCached;
}
- void GetAmounts(int64& nGeneratedImmature, int64& nGeneratedMature, std::list<std::pair<CBitcoinAddress, int64> >& listReceived,
- std::list<std::pair<CBitcoinAddress, int64> >& listSent, int64& nFee, std::string& strSentAccount) const;
+ void GetAmounts(int64& nGeneratedImmature, int64& nGeneratedMature, std::list<std::pair<CTxDestination, int64> >& listReceived,
+ std::list<std::pair<CTxDestination, int64> >& listSent, int64& nFee, std::string& strSentAccount) const;
- void GetAccountAmounts(const std::string& strAccount, int64& nGenerated, int64& nReceived,
+ void GetAccountAmounts(const std::string& strAccount, int64& nGenerated, int64& nReceived,
int64& nSent, int64& nFee) const;
bool IsFromMe() const
std::vector<const CMerkleTx*> vWorkQueue;
vWorkQueue.reserve(vtxPrev.size()+1);
vWorkQueue.push_back(this);
- for (int i = 0; i < vWorkQueue.size(); i++)
+ for (unsigned int i = 0; i < vWorkQueue.size(); i++)
{
const CMerkleTx* ptx = vWorkQueue[i];
};
-//
-// Private key that includes an expiration date in case it never gets used.
-//
+
+
+class COutput
+{
+public:
+ const CWalletTx *tx;
+ int i;
+ int nDepth;
+
+ COutput(const CWalletTx *txIn, int iIn, int nDepthIn)
+ {
+ tx = txIn; i = iIn; nDepth = nDepthIn;
+ }
+
+ std::string ToString() const
+ {
+ return strprintf("COutput(%s, %d, %d) [%s]", tx->GetHash().ToString().substr(0,10).c_str(), i, nDepth, FormatMoney(tx->vout[i].nValue).c_str());
+ }
+
+ void print() const
+ {
+ printf("%s\n", ToString().c_str());
+ }
+};
+
+
+
+
+/** Private key that includes an expiration date in case it never gets used. */
class CWalletKey
{
public:
-//
-// Account information.
-// Stored in wallet with key "acc"+string account name
-//
+/** Account information.
+ * Stored in wallet with key "acc"+string account name.
+ */
class CAccount
{
public:
- std::vector<unsigned char> vchPubKey;
+ CPubKey vchPubKey;
CAccount()
{
void SetNull()
{
- vchPubKey.clear();
+ vchPubKey = CPubKey();
}
IMPLEMENT_SERIALIZE
-//
-// Internal transfers.
-// Database key is acentry<account><counter>
-//
+/** Internal transfers.
+ * Database key is acentry<account><counter>.
+ */
class CAccountingEntry
{
public:
int64 nTime;
std::string strOtherAccount;
std::string strComment;
+ mapValue_t mapValue;
+ int64 nOrderPos; // position in ordered transaction list
+ uint64 nEntryNo;
CAccountingEntry()
{
strAccount.clear();
strOtherAccount.clear();
strComment.clear();
+ nOrderPos = -1;
}
IMPLEMENT_SERIALIZE
(
+ CAccountingEntry& me = *const_cast<CAccountingEntry*>(this);
if (!(nType & SER_GETHASH))
READWRITE(nVersion);
// Note: strAccount is serialized as part of the key, not here.
READWRITE(nCreditDebit);
READWRITE(nTime);
READWRITE(strOtherAccount);
+
+ if (!fRead)
+ {
+ WriteOrderPos(nOrderPos, me.mapValue);
+
+ if (!(mapValue.empty() && _ssExtra.empty()))
+ {
+ CDataStream ss(nType, nVersion);
+ ss.insert(ss.begin(), '\0');
+ ss << mapValue;
+ ss.insert(ss.end(), _ssExtra.begin(), _ssExtra.end());
+ me.strComment.append(ss.str());
+ }
+ }
+
READWRITE(strComment);
+
+ size_t nSepPos = strComment.find("\0", 0, 1);
+ if (fRead)
+ {
+ me.mapValue.clear();
+ if (std::string::npos != nSepPos)
+ {
+ CDataStream ss(std::vector<char>(strComment.begin() + nSepPos + 1, strComment.end()), nType, nVersion);
+ ss >> me.mapValue;
+ me._ssExtra = std::vector<char>(ss.begin(), ss.end());
+ }
+ ReadOrderPos(me.nOrderPos, me.mapValue);
+ }
+ if (std::string::npos != nSepPos)
+ me.strComment.erase(nSepPos);
+
+ me.mapValue.erase("n");
)
+
+private:
+ std::vector<char> _ssExtra;
};
bool GetWalletFile(CWallet* pwallet, std::string &strWalletFileOut);