text: // Copyright (c) 2009-2011 Satoshi Nakamoto & Bitcoin developers
  // Distributed under the MIT/X11 software license, see the accompanying
  // file license.txt or http://www.opensource.org/licenses/mit-license.php.
  #ifndef BITCOIN_WALLET_H
  #define BITCOIN_WALLET_H
  
  #include "bignum.h"
  #include "key.h"
  #include "script.h"
  
  #ifdef GUI
  #include "qt/ui_interface.h"  // For ChangeType
  #endif
  
  class CWalletTx;
  class CReserveKey;
  class CWalletDB;
  class COutput;
  
  class CWallet : public CKeyStore
  {
  private:
      bool SelectCoinsMinConf(int64 nTargetValue, int nConfMine, int nConfTheirs, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const;
      CWalletDB *pwalletdbEncryption;
  
  public:
      // visible for HUNTERCOIN
      bool SelectCoins(int64 nTargetValue, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const;
  
      void AvailableCoins(std::vector<COutput>& vCoins, bool fOnlyConfirmed=true) const;
  
  public:
      bool fFileBacked;
      std::string strWalletFile;
  
      std::set<int64> setKeyPool;
  
      typedef std::vector<std::pair<CScript, int64> > vecSendT;
      
      typedef std::map<unsigned int, CMasterKey> MasterKeyMap;
      MasterKeyMap mapMasterKeys;
      unsigned int nMasterKeyMaxID;
  
      mutable CCriticalSection cs_wallet;
  
      // Synonyms for cs_wallet
      CCriticalSection &cs_setKeyPool;
      CCriticalSection &cs_mapWallet;
      CCriticalSection &cs_mapRequestCount;
      CCriticalSection &cs_mapAddressBook;
  
      CWallet() :
          cs_setKeyPool(cs_wallet),
          cs_mapWallet(cs_wallet),
          cs_mapRequestCount(cs_wallet),
          cs_mapAddressBook(cs_wallet)
      {
          fFileBacked = false;
          nMasterKeyMaxID = 0;
          pwalletdbEncryption = NULL;
      }
  
      CWallet(std::string strWalletFileIn) :
          cs_setKeyPool(cs_wallet),
          cs_mapWallet(cs_wallet),
          cs_mapRequestCount(cs_wallet),
          cs_mapAddressBook(cs_wallet)
      {
          strWalletFile = strWalletFileIn;
          fFileBacked = true;
          nMasterKeyMaxID = 0;
          pwalletdbEncryption = NULL;
      }
  
      std::map<uint256, CWalletTx> mapWallet;
      //std::vector<uint256> vWalletUpdated;
  
      std::map<uint256, int> mapRequestCount;
  
      std::map<std::string, std::string> mapAddressBook;
  
      std::vector<unsigned char> vchDefaultKey;
  
      // Adds a key to the store, and saves it to disk.
      bool AddKey(const CKey& key);
      // Adds a watching address to the store, saves it to disk. 
      bool AddAddress(const uint160& hash160);
      // Adds a key to the store, without saving it to disk (used by LoadWallet)
      bool LoadKey(const CKey& key) { return CKeyStore::AddKey(key); }
      // Adds a watching address to the store, without saving it to disk (used by LoadWallet) 
      bool LoadAddress(const uint160& hash160) { return CKeyStore::AddAddress(hash160); }
      void MarkDirty();
      bool AddToWallet(const CWalletTx& wtxIn);
      bool AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate = false);
      bool EraseFromWallet(uint256 hash);
      void WalletUpdateSpent(const CTransaction& prevout);
      int ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate = false);
      void ReacceptWalletTransactions();
      void ResendWalletTransactions();
      int64 GetBalance() const;
      int64 GetUnconfirmedBalance() const;
      int64 GetImmatureBalance() const;
      bool CreateTransaction (const vecSendT& 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);
      bool BroadcastTransaction(CWalletTx& wtxNew);
      std::string SendMoney (const CScript& scriptPubKey, int64 nValue,
                             CWalletTx& wtxNew, bool fAskFee = false);
      std::string SendMoney (const vecSendT& vecSend, CWalletTx& wtxNew,
                             bool fAskFee = false);
      std::string SendMoneyToBitcoinAddress(std::string strAddress, int64 nValue, CWalletTx& wtxNew, bool fAskFee=false);
      std::string SendMoneyPrepare (const vecSendT& vecSend, CWalletTx& wtxNew,
                                    CReserveKey& reservekey, bool fAskFee=false);
  
      bool NewKeyPool();
  
      void ReserveKeyFromKeyPool(int64& nIndex, CKeyPool& keypool);
      void KeepKey(int64 nIndex);
      void ReturnKey(int64 nIndex);
      std::vector<unsigned char> GetKeyFromKeyPool();
      int64 GetOldestKeyPoolTime();
  
      std::set< std::set<std::string> > GetAddressGroupings();
      std::map<std::string, int64> GetAddressBalances();
  
      bool IsMine(const CTxIn& txin) const;
      int64 GetDebit(const CTxIn& txin) const;
      int64 GetDebitInclName(const CTxIn& txin) const;
      bool IsMine(const CTxOut& txout) const
      {
          return ::IsMine(*this, txout.scriptPubKey);
      }
  
      // importaddress-friendly version of IsMine (ignores watch-only addresses)
      bool IsSpendable(const CTxOut& txout) const
      {
          return ::IsSpendable(*this, txout.scriptPubKey);
      }
  
      int64 GetCredit(const CTxOut& txout) const
      {
          if (!MoneyRange(txout.nValue))
              throw std::runtime_error("CWallet::GetCredit() : value out of range");
          return (IsMine(txout) ? txout.nValue : 0);
      }
      bool IsChange(const CTxOut& txout) const
      {
          std::vector<unsigned char> vchPubKey;
          if (ExtractPubKey(txout.scriptPubKey, this, vchPubKey))
              CRITICAL_BLOCK(cs_mapAddressBook)
                  if (!mapAddressBook.count(PubKeyToAddress(vchPubKey)))
                      return true;
          return false;
      }
      int64 GetChange(const CTxOut& txout) const
      {
          if (!MoneyRange(txout.nValue))
              throw std::runtime_error("CWallet::GetChange() : value out of range");
          return (IsChange(txout) ? txout.nValue : 0);
      }
      bool IsMine(const CTransaction& tx) const
      {
          BOOST_FOREACH(const CTxOut& txout, tx.vout)
              // If output is less than minimum value, then don't include transaction.
              // This is to help deal with dust spam bloating the wallet.
              if (IsMine(txout) && txout.nValue >= nMinimumInputValue)
                  return true;
          if (hooks->IsMine(tx))
              return true;
          return false;
      }
      bool IsFromMe(const CTransaction& tx) const
      {
          return (GetDebitInclName(tx) > 0);
      }
      int64 GetDebit(const CTransaction& tx) const
      {
          int64 nDebit = 0;
          BOOST_FOREACH(const CTxIn& txin, tx.vin)
          {
              nDebit += GetDebit(txin);
              if (!MoneyRange(nDebit))
                  throw std::runtime_error("CWallet::GetDebit() : value out of range");
          }
          return nDebit;
      }
      int64 GetDebitInclName(const CTransaction& tx) const
      {
          int64 nDebit = 0;
          BOOST_FOREACH(const CTxIn& txin, tx.vin)
          {
              nDebit += GetDebitInclName(txin);
              if (!MoneyRange(nDebit))
                  throw std::runtime_error("CWallet::GetDebitInclName() : value out of range");
          }
          return nDebit;
      }
      int64 GetCredit(const CTransaction& tx) const
      {
          int64 nCredit = 0;
          BOOST_FOREACH(const CTxOut& txout, tx.vout)
          {
              nCredit += GetCredit(txout);
              if (!MoneyRange(nCredit))
                  throw std::runtime_error("CWallet::GetCredit() : value out of range");
          }
          return nCredit;
      }
      int64 GetChange(const CTransaction& tx) const
      {
          int64 nChange = 0;
          BOOST_FOREACH(const CTxOut& txout, tx.vout)
          {
              nChange += GetChange(txout);
              if (!MoneyRange(nChange))
                  throw std::runtime_error("CWallet::GetChange() : value out of range");
          }
          return nChange;
      }
      void SetBestChain(const CBlockLocator& loc)
      {
          CWalletDB walletdb(strWalletFile);
          walletdb.WriteBestBlock(loc);
      }
  
      bool LoadWallet(bool& fFirstRunRet);
  //    bool BackupWallet(const std::string& strDest);
  
      // requires cs_mapAddressBook lock
      bool SetAddressBookName(const std::string& strAddress, const std::string& strName);
  
      // requires cs_mapAddressBook lock
      bool DelAddressBookName(const std::string& strAddress);
      
      void UpdatedTransaction(const uint256 &hashTx);
  
      void PrintWallet(const CBlock& block);
  
      void Inventory(const uint256 &hash)
      {
          CRITICAL_BLOCK(cs_mapRequestCount)
          {
              std::map<uint256, int>::iterator mi = mapRequestCount.find(hash);
              if (mi != mapRequestCount.end())
                  (*mi).second++;
          }
      }
  
      int GetKeyPoolSize()
      {
          return setKeyPool.size();
      }
  
      bool GetTransaction(const uint256 &hashTx, CWalletTx& wtx);
      
      bool Unlock(const SecureString& strWalletPassphrase);
      bool ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase);
      bool EncryptWallet(const SecureString& strWalletPassphrase);
      
      // Adds an encrypted key to the store, and saves it to disk.
      bool AddCryptedKey(const std::vector<unsigned char> &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 std::vector<unsigned char> &vchPubKey, const std::vector<unsigned char> &vchCryptedSecret) { /*SetMinVersion(FEATURE_WALLETCRYPT);*/ return CKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret); }
  
  #ifdef GUI    
      //boost::signals2::signal<void (CWallet *wallet, const CTxDestination &address, const std::string &label, bool isMine, ChangeType status)> NotifyAddressBookChanged;
      boost::signals2::signal<void (CWallet *wallet, const std::string &address, const std::string &label, bool isMine, ChangeType status)> NotifyAddressBookChanged;
      boost::signals2::signal<void (CWallet *wallet, const uint256 &hashTx, ChangeType status)> NotifyTransactionChanged;
  #endif
  };
  
  
  class CReserveKey
  {
  protected:
      CWallet* pwallet;
      int64 nIndex;
      std::vector<unsigned char> vchPubKey;
  public:
      CReserveKey(CWallet* pwalletIn)
      {
          nIndex = -1;
          pwallet = pwalletIn;
      }
  
      ~CReserveKey()
      {
          if (!fShutdown)
              ReturnKey();
      }
  
      void ReturnKey();
      std::vector<unsigned char> 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.
  //
  class CWalletTx : public CMerkleTx
  {
  public:
      const CWallet* pwallet;
  
      std::vector<CMerkleTx> vtxPrev;
      std::map<std::string, std::string> mapValue;
      std::vector<std::pair<std::string, std::string> > vOrderForm;
      unsigned int fTimeReceivedIsTxTime;
      unsigned int nTimeReceived;  // time received by this node
      char fFromMe;
      std::string strFromAccount;
      std::vector<char> vfSpent;
  
      // memory only
      mutable bool fDebitCached, fDebitInclNameCached;
      mutable bool fCreditCached;
      mutable bool fAvailableCreditCached;
      mutable bool fChangeCached;
      mutable int64 nDebitCached, nDebitInclNameCached;
      mutable int64 nCreditCached;
      mutable int64 nAvailableCreditCached;
      mutable int64 nChangeCached;
      mutable bool fImmatureCreditCached;
      mutable int64 nImmatureCreditCached;
  
      /* For name transactions, cache the decoded info:  Name, value
         and index out name output.  */
      mutable bool nameTxDecoded;
      mutable bool nameTxDecodeSuccess;
      mutable int nNameOut;
      mutable vchType vchName;
      mutable vchType vchValue;
  
      // memory only UI hints
      mutable unsigned int nTimeDisplayed;
      mutable int nLinesDisplayed;
      mutable bool fConfirmedDisplayed;
  
      CWalletTx()
      {
          Init(NULL);
      }
  
      CWalletTx(const CWallet* pwalletIn)
      {
          Init(pwalletIn);
      }
  
      CWalletTx(const CWallet* pwalletIn, const CMerkleTx& txIn) : CMerkleTx(txIn)
      {
          Init(pwalletIn);
      }
  
      CWalletTx(const CWallet* pwalletIn, const CTransaction& txIn) : CMerkleTx(txIn)
      {
          Init(pwalletIn);
      }
  
      void Init(const CWallet* pwalletIn)
      {
          pwallet = pwalletIn;
          vtxPrev.clear();
          mapValue.clear();
          vOrderForm.clear();
          fTimeReceivedIsTxTime = false;
          nTimeReceived = 0;
          fFromMe = false;
          strFromAccount.clear();
          vfSpent.clear();
          fDebitCached = false;
          fDebitInclNameCached = false;
          fCreditCached = false;
          fAvailableCreditCached = false;
          fChangeCached = false;
          fImmatureCreditCached = false;
          nDebitCached = 0;
          nDebitInclNameCached = 0;
          nCreditCached = 0;
          nAvailableCreditCached = 0;
          nImmatureCreditCached = 0;
          nChangeCached = 0;
  
          nameTxDecoded = false;
          vchName.clear ();
          vchValue.clear ();
  
          nTimeDisplayed = 0;
          nLinesDisplayed = 0;
          fConfirmedDisplayed = false;
      }
  
      IMPLEMENT_SERIALIZE
      (
          CWalletTx* pthis = const_cast<CWalletTx*>(this);
          if (fRead)
              pthis->Init(NULL);
          char fSpent = false;
  
          if (!fRead)
          {
              pthis->mapValue["fromaccount"] = pthis->strFromAccount;
  
              std::string str;
              BOOST_FOREACH(char f, vfSpent)
              {
                  str += (f ? '1' : '0');
                  if (f)
                      fSpent = true;
              }
              pthis->mapValue["spent"] = str;
          }
  
          nSerSize += SerReadWrite(s, *(CMerkleTx*)this, nType, nVersion,ser_action);
          READWRITE(vtxPrev);
          READWRITE(mapValue);
          READWRITE(vOrderForm);
          READWRITE(fTimeReceivedIsTxTime);
          READWRITE(nTimeReceived);
          READWRITE(fFromMe);
          READWRITE(fSpent);
  
          if (fRead)
          {
              pthis->strFromAccount = pthis->mapValue["fromaccount"];
  
              if (mapValue.count("spent"))
                  BOOST_FOREACH(char c, pthis->mapValue["spent"])
                      pthis->vfSpent.push_back(c != '0');
              else
                  pthis->vfSpent.assign(vout.size(), fSpent);
          }
  
          pthis->mapValue.erase("fromaccount");
          pthis->mapValue.erase("version");
          pthis->mapValue.erase("spent");
      )
  
      // marks certain txout's as spent
      // returns true if any update took place
      bool UpdateSpent(const std::vector<char>& vfNewSpent)
      {
          bool fReturn = false;
          for (int i=0; i < vfNewSpent.size(); i++)
          {
              if (i == vfSpent.size())
                  break;
  
              if (vfNewSpent[i] && !vfSpent[i])
              {
                  vfSpent[i] = true;
                  fReturn = true;
                  fAvailableCreditCached = false;
              }
          }
          return fReturn;
      }
  
      void MarkDirty()
      {
          fCreditCached = false;
          fAvailableCreditCached = false;
          fDebitCached = false;
          fDebitInclNameCached = false;
          fImmatureCreditCached = false;
          fChangeCached = false;
      }
  
      void MarkSpent(unsigned int nOut)
      {
          if (nOut >= vout.size())
              throw std::runtime_error("CWalletTx::MarkSpent() : nOut out of range");
          vfSpent.resize(vout.size());
          if (!vfSpent[nOut])
          {
              vfSpent[nOut] = true;
              fAvailableCreditCached = false;
          }
      }
  
      bool IsSpent(unsigned int nOut) const
      {
          if (nOut >= vout.size())
              throw std::runtime_error("CWalletTx::IsSpent() : nOut out of range");
          if (nOut >= vfSpent.size())
              return false;
          return (!!vfSpent[nOut]);
      }
  
      int64 GetDebit() const
      {
          if (vin.empty())
              return 0;
          if (fDebitCached)
              return nDebitCached;
          nDebitCached = pwallet->GetDebit(*this);
          fDebitCached = true;
          return nDebitCached;
      }
      
      int64 GetDebitInclName() const
      {
          if (vin.empty())
              return 0;
          if (fDebitInclNameCached)
              return nDebitInclNameCached;
          nDebitInclNameCached = pwallet->GetDebitInclName(*this);
          fDebitInclNameCached = true;
          return nDebitInclNameCached;
      }
  
      int64 GetCredit(bool fUseCache=true) const
      {
          // Must wait until coinbase is safely deep enough in the chain before valuing it
          if (GetBlocksToMaturity() > 0)
              return 0;
  
          // GetBalance can assume transactions in mapWallet won't change
          if (fUseCache && fCreditCached)
              return nCreditCached;
          nCreditCached = pwallet->GetCredit(*this);
          fCreditCached = true;
          return nCreditCached;
      }
      
      int64 GetImmatureCredit(bool fUseCache=true) const
      {
          if (GetBlocksToMaturity() > 0 && IsInMainChain())
          {
              if (fUseCache && fImmatureCreditCached)
                  return nImmatureCreditCached;
              nImmatureCreditCached = pwallet->GetCredit(*this);
              fImmatureCreditCached = true;
              return nImmatureCreditCached;
          }
  
          return 0;
      }
  
      int64 GetAvailableCredit(bool fUseCache=true) const
      {
          // Must wait until coinbase is safely deep enough in the chain before valuing it
          if (GetBlocksToMaturity() > 0)
              return 0;
  
          if (fUseCache && fAvailableCreditCached)
              return nAvailableCreditCached;
  
          int64 nCredit = 0;
          for (int i = 0; i < vout.size(); i++)
          {
              if (!IsSpent(i))
              {
                  const CTxOut &txout = vout[i];
                  nCredit += pwallet->GetCredit(txout);
                  if (!MoneyRange(nCredit))
                      throw std::runtime_error("CWalletTx::GetAvailableCredit() : value out of range");
              }
          }
  
          nAvailableCreditCached = nCredit;
          fAvailableCreditCached = true;
          return nCredit;
      }
  
  
      int64 GetChange() const
      {
          if (fChangeCached)
              return nChangeCached;
          nChangeCached = pwallet->GetChange(*this);
          fChangeCached = true;
          return nChangeCached;
      }
  
      void GetAmounts(int64& nGeneratedImmature, int64& nGeneratedMature, std::list<std::pair<std::string /* address */, int64> >& listReceived,
                      std::list<std::pair<std::string /* address */, int64> >& listSent, int64& nFee, std::string& strSentAccount, bool &fNameTx) const;
  
      void GetAccountAmounts(const std::string& strAccount, int64& nGenerated, int64& nReceived, 
                             int64& nSent, int64& nFee) const;
  
      bool IsFromMe() const
      {
          return (GetDebitInclName() > 0);
      }
  
      bool IsConfirmed() const
      {
          // Quick answer in most cases
          if (!IsFinal())
              return false;
          if (GetDepthInMainChain() >= 1)
              return true;
          if (!IsFromMe()) // using wtx's cached debit
              return false;
  
          // If no confirmations but it's from us, we can still
          // consider it confirmed if all dependencies are confirmed
          std::map<uint256, const CMerkleTx*> mapPrev;
          std::vector<const CMerkleTx*> vWorkQueue;
          vWorkQueue.reserve(vtxPrev.size()+1);
          vWorkQueue.push_back(this);
          for (int i = 0; i < vWorkQueue.size(); i++)
          {
              const CMerkleTx* ptx = vWorkQueue[i];
  
              if (!ptx->IsFinal())
                  return false;
              if (ptx->GetDepthInMainChain() >= 1)
                  continue;
              if (!pwallet->IsFromMe(*ptx))
                  return false;
  
              if (mapPrev.empty())
                  BOOST_FOREACH(const CMerkleTx& tx, vtxPrev)
                      mapPrev[tx.GetHash()] = &tx;
  
              BOOST_FOREACH(const CTxIn& txin, ptx->vin)
              {
                  if (!mapPrev.count(txin.prevout.hash))
                      return false;
                  vWorkQueue.push_back(mapPrev[txin.prevout.hash]);
              }
          }
          return true;
      }
  
      bool WriteToDisk();
  
      int64 GetTxTime() const;
      int GetRequestCount() const;
  
      void AddSupportingTransactions(CTxDB& txdb);
  
      bool AcceptWalletTransaction (DatabaseSet& dbset, bool fCheckInputs = true);
      bool AcceptWalletTransaction();
  
      void RelayWalletTransaction(CTxDB& txdb);
      void RelayWalletTransaction();
  
      /* Try to decode the tx as a name_(first)update and return true if
         it works.  In this case, also the info is set in the output
         arguments.  The result is cached to save CPU time.  */
      bool GetNameUpdate (int& nOut, vchType& nm, vchType& val) const;
  };
  
  
  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:
      CPrivKey vchPrivKey;
      int64 nTimeCreated;
      int64 nTimeExpires;
      std::string strComment;
      //// todo: add something to note what created it (user, getnewaddress, change)
      ////   maybe should have a map<string, string> property map
  
      CWalletKey(int64 nExpires=0)
      {
          nTimeCreated = (nExpires ? GetTime() : 0);
          nTimeExpires = nExpires;
      }
  
      IMPLEMENT_SERIALIZE
      (
          if (!(nType & SER_GETHASH))
              READWRITE(nVersion);
          READWRITE(vchPrivKey);
          READWRITE(nTimeCreated);
          READWRITE(nTimeExpires);
          READWRITE(strComment);
      )
  };
  
  
  
  
  
  
  //
  // Account information.
  // Stored in wallet with key "acc"+string account name
  //
  class CAccount
  {
  public:
      std::vector<unsigned char> vchPubKey;
  
      CAccount()
      {
          SetNull();
      }
  
      void SetNull()
      {
          vchPubKey.clear();
      }
  
      IMPLEMENT_SERIALIZE
      (
          if (!(nType & SER_GETHASH))
              READWRITE(nVersion);
          READWRITE(vchPubKey);
      )
  };
  
  
  
  //
  // Internal transfers.
  // Database key is acentry<account><counter>
  //
  class CAccountingEntry
  {
  public:
      std::string strAccount;
      int64 nCreditDebit;
      int64 nTime;
      std::string strOtherAccount;
      std::string strComment;
  
      CAccountingEntry()
      {
          SetNull();
      }
  
      void SetNull()
      {
          nCreditDebit = 0;
          nTime = 0;
          strAccount.clear();
          strOtherAccount.clear();
          strComment.clear();
      }
  
      IMPLEMENT_SERIALIZE
      (
          if (!(nType & SER_GETHASH))
              READWRITE(nVersion);
          // Note: strAccount is serialized as part of the key, not here.
          READWRITE(nCreditDebit);
          READWRITE(nTime);
          READWRITE(strOtherAccount);
          READWRITE(strComment);
      )
  };
  
  bool GetWalletFile(CWallet* pwallet, std::string &strWalletFileOut);
  
  #endif
  