[Dev] Documenting Feathercoin Specific Software settings - Part 6

[wrapper]

Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/crypter.h

 -    CryptedKeyMap mapCryptedKeys;
 -
 -    CKeyingMaterial vMasterKey;
 -

Code removed

 +     CryptedKeyMap mapCryptedKeys;
 + 
 +     CKeyingMaterial vMasterKey;
 + 

Code added

 +    //bool Lock();
 +    bool LockKeyStore();

code replaced

[wrapper]

Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/key.cpp

 + bool CKey::SetSecret(const CSecret& vchSecret, bool fCompressedIn)
 + {
 +     if (vchSecret.size() != 32)
 +         return false;
 +         
 + 		CECKey key;       
 + 		key.SetSecretBytes(&vchSecret[0]);
 +     
 +     fCompressed = fCompressedIn;
 +     fValid = true;
 + 		return true;
 + 		
 +     /*EC_KEY_free(pkey);
 +     pkey = EC_KEY_new_by_curve_name(NID_secp256k1);
 +     if (pkey == NULL)
 +         return false;
 +     if (vchSecret.size() != 32)
 +         return false;
 +     BIGNUM *bn = BN_bin2bn(&vchSecret[0],32,BN_new());
 +     if (bn == NULL)
 +         return false;
 +     if (!EC_KEY_regenerate_key(pkey,bn))
 +     {
 +         BN_clear_free(bn);
 +         return false;
 +     }
 +     BN_clear_free(bn);
 +     fValid = true;
 +     if (fCompressed )
 +         SetCompressedPubKey();
 +     return true;*/
 + }
 + 

Code added

[wrapper]

Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/key.h

 +     std::vector<unsigned char> Raw() const {
 +     		std::vector<unsigned char> vchPubKey(begin(),end());  
 +         return vchPubKey;
 +     }
 +     

Code added

  +// CSecret is a serialization of just the secret parameter (32 bytes)
 +typedef std::vector<unsigned char, secure_allocator<unsigned char> > CSecret;

Code added

+		bool SetSecret(const CSecret& vchSecret, bool fCompressed = false);

Code added

[wrapper]

Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/main.cpp

 +    unsigned int nTxnOut = 0;

Code added

 +        {
         nDataOut++;
  +        } 

Bracketing added

[wrapper]

Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/qt/addressbookpage.cpp

 + 		ui->tableView->horizontalHeader()->resizeSection(0, 140);
 + 		ui->tableView->horizontalHeader()->resizeSection(1, 600);

Code added

[wrapper]

Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/qt/addresstablemodel.cpp

+ #include "stealth.h"

+ bool stealth;

Code added

 +    AddressTableEntry(Type type, const QString &label, const QString &address, const bool &stealth = false):
 +        type(type), label(label), address(address), stealth(stealth) {}

Code replaced

 +             std::set<CStealthAddress>::iterator it;
 +             for (it = wallet->stealthAddresses.begin(); it != wallet->stealthAddresses.end();      +      + it)
 +             {
 +                 bool fMine = !(it->scan_secret.size() < 1);
 +                 cachedAddressTable.append(AddressTableEntry(fMine ? AddressTableEntry::Receiving : AddressTableEntry::Sending,
 +                                   QString::fromStdString(it->label),
 +                                   QString::fromStdString(it->Encoded()),
 +                                   true));
 +             };

Code added

  +    std::string strTemp, strValue;

Code added

 -            wallet->SetAddressBook(curAddress, value.toString().toStdString(), strPurpose);

Code removed

 +             //wallet->SetAddressBook(curAddress, value.toString().toStdString(), strPurpose);
 +             strTemp = rec->address.toStdString();
 +             if (IsStealthAddress(strTemp))
 +             {
 +                 strValue = value.toString().toStdString();
 +                 wallet->UpdateStealthAddress(strTemp, strValue, false);
 +             } else
 +             {
 +                 //wallet->SetAddressBookName(CBitcoinAddress(strTemp).Get(), value.toString().toStdString());
 +                 wallet->SetAddressBook(CBitcoinAddress(strTemp).Get(), value.toString().toStdString(), strPurpose);
 +    

Code added

 +             std::string sTemp = value.toString().toStdString();
 +             if (IsStealthAddress(sTemp))
 +             {
 +                 printf("IsStealthAddress = INVALID_ADDRESS\n");
 +                 editStatus = INVALID_ADDRESS;
 +                 return false;
 +             }

Code added

 - QString AddressTableModel::addRow(const QString &type, const QString &label, const QString &address)
 + QString AddressTableModel::addRow(const QString &type, const QString &label, const QString &address, int addressType)

Code replaced

 +      /*  if(!walletModel->validateAddress(address))

Code added

 +         }*/
 +         if (strAddress.length() > 75)
 +         {
 +             CStealthAddress sxAddr;
 +             if (!sxAddr.SetEncoded(strAddress))
 +             {
 +                 editStatus = INVALID_ADDRESS;
 +                 return QString();
 +             }
 +             
 +             // Check for duplicate addresses
 +             {
 +                 LOCK(wallet->cs_wallet);
 +                 
 +                 if (wallet->stealthAddresses.count(sxAddr))
 +                 {
 +                     editStatus = DUPLICATE_ADDRESS;
 +                     return QString();
 +                 };
 +                 
 +                 sxAddr.label = strLabel;
 +                 wallet->AddStealthAddress(sxAddr);
 +             }
 +         } else {
 +             if (!walletModel->validateAddress(address))
 +             {
 +                 editStatus = INVALID_ADDRESS;
 +                 return QString();
 +             }
 +             // Check for duplicate addresses
 +             {
 +                 LOCK(wallet->cs_wallet);
 +                 if (wallet->mapAddressBook.count(CBitcoinAddress(strAddress).Get()))
 +                 {
 +                     editStatus = DUPLICATE_ADDRESS;
 +                     return QString();
 +                 };
 +                 //wallet->SetAddressBookName(CBitcoinAddress(strAddress).Get(), strLabel);
 +                 wallet->SetAddressBook(CBitcoinAddress(strAddress).Get(), strLabel,(type == Send ? "send" : "receive"));
 +             }

Code added

 -        CPubKey newKey;
 +       /* CPubKey newKey;

Code removed

 +         */
 +         WalletModel::UnlockContext ctx(walletModel->requestUnlock());
 +         if(!ctx.isValid())
 +         {
 +             // Unlock wallet failed or was cancelled
 +             editStatus = WALLET_UNLOCK_FAILURE;
 +             return QString();
 +         }
 +         if (addressType == AT_Stealth)
 +         {
 +             CStealthAddress newStealthAddr;
 +             std::string sError;
 +             if (!wallet->NewStealthAddress(sError, strLabel, newStealthAddr)
 +                 || !wallet->AddStealthAddress(newStealthAddr))
 +             {
 +                 editStatus = KEY_GENERATION_FAILURE;
 +                 return QString();
 +             }
 +             strAddress = newStealthAddr.Encoded();
 +         } else {
 +             CPubKey newKey;
 +             //if(!wallet->GetKeyFromPool(newKey, true))
 +             if(!wallet->GetKeyFromPool(newKey))
 +             {
 +                 editStatus = KEY_GENERATION_FAILURE;
 +                 return QString();
 +             }
 +             strAddress = CBitcoinAddress(newKey.GetID()).ToString();
 +             
 +             {
 +                 LOCK(wallet->cs_wallet);
 +                 //wallet->SetAddressBookName(CBitcoinAddress(strAddress).Get(), strLabel);
 +                 wallet->SetAddressBook(CBitcoinAddress(strAddress).Get(), strLabel,(type == Send ? "send" : "receive"));
 +             }
 +         }

Code added

-    {
+     /*{
     LOCK(wallet->cs_wallet);
      wallet->SetAddressBook(CBitcoinAddress(strAddress).Get(), strLabel,
                            (type == Send ? "send" : "receive"));

 -    }
 +     }*/

Bracketing removed

 +   /*  {
         LOCK(wallet->cs_wallet);
         CBitcoinAddress address_parsed(address.toStdString());
         std::map<CTxDestination, CAddressBookData>::iterator mi = wallet->mapAddressBook.find(address_parsed.Get());
         if (mi != wallet->mapAddressBook.end())
         {
             return QString::fromStdString(mi->second.name);
         }
 +     }*/

Bracketing commented out.

 +     {
 +         LOCK(wallet->cs_wallet);
 +         std::string sAddr = address.toStdString();
 +         
 +         if (sAddr.length() > 75)
 +         {
 +             CStealthAddress sxAddr;
 +             if (!sxAddr.SetEncoded(sAddr))
 +                 return QString();
 +             
 +             std::set<CStealthAddress>::iterator it;
 +             it = wallet->stealthAddresses.find(sxAddr);
 +             if (it == wallet->stealthAddresses.end())
 +                 return QString();
 +             
 +             return QString::fromStdString(it->label);
 +         } else
 +         {
 +             CBitcoinAddress address_parsed(sAddr);
 +             std::map<CTxDestination, CAddressBookData>::iterator mi = wallet->mapAddressBook.find(address_parsed.Get());
 +             if (mi != wallet->mapAddressBook.end())
 +             {
 +                 return QString::fromStdString(mi->second.name);
 +             }
 +         }

Code added

[wrapper]

Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/qt/addresstablemodel.h

 +     enum AddressType {
 +         AT_Unknown = 0, /**< User specified label */
 +         AT_Normal = 1,  /**< Bitcoin address */
 +         AT_Stealth = 2  /**< Stealth address */
 +     };
 +     

Code added

 -        Address = 1  /**< Bitcoin address */
+        Address = 1,  /**< Bitcoin address */
+        Type = 2  /**< Address type  */

? review

 -    QString addRow(const QString &type, const QString &label, const QString &address);
 +     //QString addRow(const QString &type, const QString &label, const QString &address);
 +     QString addRow(const QString &type, const QString &label, const QString &address, int addressType);

Bitcoin code commented out, review.

[wrapper]

Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/qt/bitcoingui.cpp

 + 	
 + ActiveLabel::ActiveLabel(const QString & text, QWidget * parent):
 +     QLabel(parent){}
 + 
 + void ActiveLabel::mouseReleaseEvent(QMouseEvent * event)
 + {
 +     emit clicked();
 + }

Code added

 +    walletModel(0),

Code added

-    labelEncryptionIcon = new QLabel();
+    labelEncryptionIcon = new ActiveLabel();

Code replaced

 +    connect(labelEncryptionIcon, SIGNAL(clicked()), unlockWalletAction, SLOT(trigger()));

Code added

 +         disconnect(labelEncryptionIcon, SIGNAL(clicked()), unlockWalletAction, SLOT(trigger()));
 +         disconnect(labelEncryptionIcon, SIGNAL(clicked()),   lockWalletAction, SLOT(trigger()));
 +         connect   (labelEncryptionIcon, SIGNAL(clicked()),   lockWalletAction, SLOT(trigger()));

Code added

 +         disconnect(labelEncryptionIcon, SIGNAL(clicked()), unlockWalletAction, SLOT(trigger()));
 +         disconnect(labelEncryptionIcon, SIGNAL(clicked()),   lockWalletAction, SLOT(trigger()));
 +         connect   (labelEncryptionIcon, SIGNAL(clicked()), unlockWalletAction, SLOT(trigger()));

Code added

[wrapper]

Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/qt/bitcoingui.h

+#include <QLabel>

Code added

 + class ActiveLabel : public QLabel
 + {
 +     Q_OBJECT
 + public:
 +     ActiveLabel(const QString & text = "", QWidget * parent = 0);
 +     ~ActiveLabel(){}
 + 
 + signals:
 +     void clicked();
 + 
 + protected:
 +     void mouseReleaseEvent (QMouseEvent * event) ;
 + 
 + };
 + 

Code added

  -    QLabel *labelEncryptionIcon;
  +    ActiveLabel *labelEncryptionIcon;

Code replaced

[wrapper]

Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/qt/editaddressdialog.cpp

 +         ui->addressEdit->setVisible(false);
 +         ui->stealthCB->setEnabled(true);
 +         ui->stealthCB->setVisible(true);

 +         ui->stealthCB->setVisible(false);

 +         ui->addressEdit->setVisible(true);
 +         ui->stealthCB->setEnabled(false);
 +         ui->stealthCB->setVisible(true);

 +         ui->stealthCB->setVisible(false);

 +     mapper->addMapping(ui->stealthCB, AddressTableModel::Type);

Code added

 -        address = model     ->addRow(
 -                mode == NewSendingAddress ? AddressTableModel::Send : AddressTableModel::Receive,
 -                ui     ->labelEdit     ->text(),
 -                ui     ->addressEdit     ->text());

Code removed

 +     	  {
 +     	   int typeInd  = ui->stealthCB->isChecked() ? AddressTableModel::AT_Stealth : AddressTableModel::AT_Normal;
 +          address = model->addRow(
 +                    mode == NewSendingAddress ? AddressTableModel::Send : AddressTableModel::Receive,
 +                    ui->labelEdit->text(),
 +                    ui->addressEdit->text(),
 +                    typeInd);
 +         }

Code replaced

[wrapper]

Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/qt/forms/editaddressdialog.ui

 +      <item row="2" column="0">
 +       <widget class="QCheckBox" name="stealthCB">
 +        <property name="text">
 +         <string>Stealth Address</string>
 +        </property>
 +       </widget>
 +      </item>

Code added

[wrapper]

Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/qt/receivecoinsdialog.cpp

 -        address = model     ->getAddressTableModel()     ->addRow(AddressTableModel::Receive, label, "");
 +      int typeInd  = AddressTableModel::AT_Normal;
 +      address = model     ->getAddressTableModel()     ->addRow(AddressTableModel::Receive, label, "",typeInd);

Code replaced

 -    ui->reqAmount->value(), ui->reqMessage->text());
 +   ui->reqAmount->value(), ui->reqMessage->text());

Code replaced

[wrapper]

Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/qt/sendcoinsdialog.cpp

+		//QMessageBox::information(NULL, "Info1", "Click_SendButton", QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);

Code added

[wrapper]

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/qt/sendcoinsentry.cpp

 + #include "stealth.h"

 + #include <QDebug>

Code added

 +     
 +     if (recipient.address.length() > 75 
 +         && IsStealthAddress(recipient.address.toStdString()))
 +         recipient.typeInd = AddressTableModel::AT_Stealth;
 +     else
 +         recipient.typeInd = AddressTableModel::AT_Normal;
 +         	
 +     qDebug() << "SendCoinsEntry::getValue,recipient.typeInd ="     + QString::number(recipient.typeInd);

Code added

 +     
 +     if (recipient.address.length() > 75 
 +         && IsStealthAddress(recipient.address.toStdString()))
 +         recipient.typeInd = AddressTableModel::AT_Stealth;
 +     else
 +         recipient.typeInd = AddressTableModel::AT_Normal;
 +         	
 +     qDebug() << "SendCoinsEntry::getValue,recipient.typeInd ="+ QString::number(recipient.typeInd);

Code added

[wrapper]

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/qt/transactiondesc.cpp

 +         char cbuf[256];
 +         for (int k = 0; k < wtx.vout.size();      +      + k)
 +         {
 +             snprintf(cbuf, sizeof(cbuf), "n_%d", k);
 +             if (wtx.mapValue.count(cbuf) && !wtx.mapValue[cbuf].empty())
 +                 strHTML      + = "<br><b>"      +  tr(cbuf)      +  ":</b> "      +  GUIUtil::HtmlEscape(wtx.mapValue[cbuf], true)      +  "<br>";
 +         }
 +         

Code added

[wrapper]

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/qt/walletmodel.cpp

 + #include <QMessageBox>
 + 
 + #if defined(_MSC_VER) || defined(__MSVCRT__)
 +   /* (s)size_t and ptrdiff_t have the same size specifier in MSVC:
 +      http://msdn.microsoft.com/en-us/library/tcxf1dw6%28v=vs.100%29.aspx
 +    */
 +   #define PRIszx    "Ix"
 +   #define PRIszu    "Iu"
 +   #define PRIszd    "Id"
 +   #define PRIpdx    "Ix"
 +   #define PRIpdu    "Iu"
 +   #define PRIpdd    "Id"
 + #else /* C99 standard */
 +   #define PRIszx    "zx"
 +   #define PRIszu    "zu"
 +   #define PRIszd    "zd"
 +   #define PRIpdx    "tx"
 +   #define PRIpdu    "tu"
 +   #define PRIpdd    "td"
 + #endif

Additional code

 -    CBitcoinAddress addressParsed(address.toStdString());

Code removed

 +     std::string sAddr = address.toStdString();
 +     
 +     if (sAddr.length() > 75)
 +     {
 +         if (IsStealthAddress(sAddr))
 +             return true;
 +     };
 +     
 +     CBitcoinAddress addressParsed(sAddr);

Code replaced

•    {   // User-entered feathercoin address / amount:
  

Comment changed? name to Feathercoin

 +             std::string sAddr = rcp.address.toStdString();            
 +             if (rcp.typeInd == AddressTableModel::AT_Stealth)
 +             {
 +                 CStealthAddress sxAddr;
 +                 if (sxAddr.SetEncoded(sAddr))
 +                 {
 +                     ec_secret ephem_secret;
 +                     ec_secret secretShared;
 +                     ec_point pkSendTo;
 +                     ec_point ephem_pubkey;
 +                     
 +                     
 +                     if (GenerateRandomSecret(ephem_secret) != 0)
 +                     {
 +                         printf("GenerateRandomSecret failed.\n");
 +                         return Aborted;
 +                     };
 +                     
 +                     if (StealthSecret(ephem_secret, sxAddr.scan_pubkey, sxAddr.spend_pubkey, secretShared, pkSendTo) != 0)
 +                     {
 +                         printf("Could not generate receiving public key.\n");
 +                         return Aborted;
 +                     };
 +                     
 +                     CPubKey cpkTo(pkSendTo);
 +                     if (!cpkTo.IsValid())
 +                     {
 +                         printf("Invalid public key generated.\n");
 +                         return Aborted;
 +                     };
 +                     
 +                     CKeyID ckidTo = cpkTo.GetID();
 +                     
 +                     CBitcoinAddress addrTo(ckidTo);
 +                     
 +                     if (SecretToPublicKey(ephem_secret, ephem_pubkey) != 0)
 +                     {
 +                         printf("Could not generate ephem public key.\n");
 +                         return Aborted;
 +                     };
 +                     
 +                     //if (fDebug)
 +                     if (true)
 +                     {
 +                         LogPrintf("Stealth send to generated pubkey %"PRIszu": %s\n", pkSendTo.size(), HexStr(pkSendTo).c_str());
 +                         LogPrintf("hash %s\n", addrTo.ToString().c_str());
 +                         LogPrintf("ephem_pubkey %"PRIszu": %s\n", ephem_pubkey.size(), HexStr(ephem_pubkey).c_str());
 +                     };
 +                     
 +                     CScript scriptPubKey;
 +                     scriptPubKey.SetDestination(addrTo.Get());
 +                     LogPrintf("scriptPubKey= %s \n", scriptPubKey.ToString());
 +                     
 +                     vecSend.push_back(make_pair(scriptPubKey, rcp.amount));
 +                     
 +                     CScript scriptP = CScript() << OP_RETURN << ephem_pubkey;
 +                     vecSend.push_back(make_pair(scriptP, 0));
 +                     
 +                     continue;
 +                 }; // else drop through to normal
 +             }
 +     

Code added

 -            scriptPubKey.SetDestination(CBitcoinAddress(rcp.address.toStdString()).Get());
 +            //scriptPubKey.SetDestination(CBitcoinAddress(rcp.address.toStdString()).Get());

 +            scriptPubKey.SetDestination(CBitcoinAddress(sAddr).Get());

Code commented out?? review

 +        int nChangePos = -1;

Code added

 -        bool fCreated = wallet->CreateTransaction(vecSend, *newTx, *keyChange, nFeeRequired, strFailReason, coinControl);
 +         bool fCreated = wallet->CreateTransaction(vecSend, *newTx, *keyChange, nFeeRequired, nChangePos, strFailReason, coinControl);

Code replaced

+            else if (!rcp.message.isEmpty()) // Message from normal feathercoin:URI (feathercoin:123...?message=example)

Code replaced name

 + 	//Run//QMessageBox::information(NULL, "Info2", "Click_sendCoins", QMessageBox::Yes | QMessageBox::No, QMessageBox::Yes);
           CReserveKey *keyChange = transaction.getPossibleKeyChange();
 +         LogPrintf("sendCoins: newTx= \n%s", newTx->ToString());
 +     

Code commented out ? code added

 +				//string strError =wallet->SendMoneyToDestination(rcp.label, transaction.GetValueOut(), *newTx);

Code added

 +    //No Run//

Comment added

 -                std::map<CTxDestination, CAddressBookData>::iterator mi = wallet     ->mapAddressBook.find(dest);
 -
 -                // Check if we have a new address or an updated label
 -                if (mi == wallet     ->mapAddressBook.end())
 -                {
 -                    wallet     ->SetAddressBook(dest, strLabel, "send");
 -                }
 -                else if (mi     ->second.name != strLabel)
 -                {
 -                    wallet     ->SetAddressBook(dest, strLabel, ""); // "" means don't change purpose
 -                }
 -            }

Code removed

 + 		            if (rcp.typeInd == AddressTableModel::AT_Stealth)
 + 		            {
 + 		                wallet->UpdateStealthAddress(strAddress, strLabel, true);
 + 		            } else 
 + 		            {
 + 		                std::map<CTxDestination, CAddressBookData>::iterator mi = wallet->mapAddressBook.find(dest);
 + 		                // Check if we have a new address or an updated label
 + 		                if (mi == wallet->mapAddressBook.end())
 + 		                {
 + 		                    wallet->SetAddressBook(dest, strLabel, "send");
 + 		                }
 + 		                else if (mi->second.name != strLabel)
 + 		                {
 + 		                    wallet->SetAddressBook(dest, strLabel, ""); // "" means don't change purpose
 + 		                }
 + 		            }
 +           	}

Code added

+        LogPrintf("sendCoins: updateAddressBook. \n");

Log interface message added

- static void NotifyAddressBookChanged(WalletModel *walletmodel, CWallet *wallet,
+ /*static void NotifyAddressBookChanged(WalletModel *walletmodel, CWallet *wallet,

Commented out? should be deleted if not used…

 + }*/
 + static void NotifyAddressBookChanged(WalletModel *walletmodel, CWallet *wallet, 
 +         const CTxDestination &address, const std::string &label, bool isMine, 
 +         const std::string &purpose, ChangeType status)
 + {
 +     QString strAddress = QString::fromStdString(CBitcoinAddress(address).ToString());
 +     QString strLabel = QString::fromStdString(label);
 +     QString strPurpose = QString::fromStdString(purpose);
 + 	
 +     if (address.type() == typeid(CStealthAddress))
 +     {
 +         CStealthAddress sxAddr = boost::get<CStealthAddress>(address);
 +         std::string enc = sxAddr.Encoded();
 +         //OutputDebugStringF("NotifyAddressBookChanged %s %s isMine=%i status=%i\n", enc.c_str(), label.c_str(), isMine, status);
 +         qDebug() << "NotifyAddressBookChanged : "      +  QString::fromStdString(enc)      +  " "      +  QString::fromStdString(label)      +  " isMine="      +  QString::number(isMine)      +  " purpose="      +  strPurpose      +  " status="      +  QString::number(status);
 +         QMetaObject::invokeMethod(walletmodel, "updateAddressBook", Qt::QueuedConnection,
 +                                   Q_ARG(QString, QString::fromStdString(enc)),
 +                                   Q_ARG(QString, QString::fromStdString(label)),
 +                                   Q_ARG(bool, isMine),
 +                                   Q_ARG(QString, strPurpose),
 +                                   Q_ARG(int, status));
 +     } else {
 +         //OutputDebugStringF("NotifyAddressBookChanged %s %s isMine=%i status=%i\n", CBitcoinAddress(address).ToString().c_str(), label.c_str(), isMine, status);
 +         qDebug() << "NotifyAddressBookChanged : "      +  strAddress      +  " "      +  strLabel      +  " isMine="      +  QString::number(isMine)      +  " purpose="      +  strPurpose      +  " status="      +  QString::number(status);
 +         QMetaObject::invokeMethod(walletmodel, "updateAddressBook", Qt::QueuedConnection,
 +                                   Q_ARG(QString, QString::fromStdString(CBitcoinAddress(address).ToString())),
 +                                   Q_ARG(QString, QString::fromStdString(label)),
 +                                   Q_ARG(bool, isMine),
 +                                   Q_ARG(QString, strPurpose),
 +                                   Q_ARG(int, status));
 +     }

Code added

[wrapper]

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/qt/walletmodel.h

+    int typeInd;

Code added

  -        TransactionCommitFailed
 +        TransactionCommitFailed,
 +        Aborted

?? code added?

[wrapper]

Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/rpcmisc.cpp

 +     Object operator()(const CStealthAddress &stxAddr) const {
 +         Object obj;
 +         obj.push_back(Pair("todo", true));
 +         return obj;
 +     }

[wrapper]

Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/rpcserver.cpp

 +     
 +     { "getnewstealthaddress",   &getnewstealthaddress,   false,  false,      true },
 +     { "liststealthaddresses",   &liststealthaddresses,   false,  false,      true },
 +     { "importstealthaddress",   &importstealthaddress,   false,  false,      true },
 +     { "sendtostealthaddress",   &sendtostealthaddress,   false,  false,      true },
 +     { "clearwallettransactions",&clearwallettransactions,false,  false,      true },
 +     { "scanforalltxns",         &scanforalltxns,         false,  false,      true },
 +     { "scanforstealthtxns",     &scanforstealthtxns,     false,  false,      true },

Code added

[wrapper]

Feathercoin specific changes made to convert Bitcoin to FTC 0.9.6.*

Add stealth address : - commit

https://github.com/FeatherCoin/Feathercoin/commit/e993143a1688a6aa57c03da6f181f8bf2f375bf6

src/rpcserver.h

 + extern json_spirit::Value getnewstealthaddress(const json_spirit::Array& params, bool fHelp);
 + extern json_spirit::Value liststealthaddresses(const json_spirit::Array& params, bool fHelp);
 + extern json_spirit::Value importstealthaddress(const json_spirit::Array& params, bool fHelp);
 + extern json_spirit::Value sendtostealthaddress(const json_spirit::Array& params, bool fHelp);
 + extern json_spirit::Value clearwallettransactions(const json_spirit::Array& params, bool fHelp);
 + extern json_spirit::Value scanforalltxns(const json_spirit::Array& params, bool fHelp);
 + extern json_spirit::Value scanforstealthtxns(const json_spirit::Array& params, bool fHelp);
 + 

Code added

src/rpcwallet.cpp

Large number of changes, could stealth code have been a seperate module? / file

 +#include "stealth.h"

Code included

 -    if (fHelp || params.size() < 2 || params.size() > 4)
 +    if (fHelp || params.size() < 2 || params.size() > 5)

Code replaced

 -    if (fHelp || params.size() < 3 || params.size() > 6)
 +     if (fHelp || params.size() < 3 || params.size() > 7)

Code replaced

+    int nChangePos;

Code added

 -    bool fCreated = pwalletMain->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired, strFailReason);
+    bool fCreated = pwalletMain->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired,nChangePos, strFailReason);

Code replaced

Main stealth function 1992 to line 2379

 + 
 + Value getnewstealthaddress(const Array& params, bool fHelp)
 + {
 +     if (fHelp || params.size() > 1)
 +         throw runtime_error(
 +             "getnewstealthaddress [label]\n"
 +             "Returns a new ShadowCoin stealth address for receiving payments anonymously.  ");
 +     
 +     if (pwalletMain->IsLocked())
 +         throw runtime_error("Failed: Wallet must be unlocked.");
 +     
 +     std::string sLabel;
 +     if (params.size() > 0)
 +         sLabel = params[0].get_str();
 +     
 +     CStealthAddress sxAddr;
 +     std::string sError;
 +     if (!pwalletMain->NewStealthAddress(sError, sLabel, sxAddr))
 +         throw runtime_error(std::string("Could get new stealth address: ")      +  sError);
 +     
 +     if (!pwalletMain->AddStealthAddress(sxAddr))
 +         throw runtime_error("Could not save to wallet.");
 +     
 +     return sxAddr.Encoded();
 + }
 + 
 + Value liststealthaddresses(const Array& params, bool fHelp)
 + {
 +     if (fHelp || params.size() > 1)
 +         throw runtime_error(
 +             "liststealthaddresses [show_secrets=0]\n"
 +             "List owned stealth addresses.");
 +     
 +     bool fShowSecrets = false;
 +     
 +     if (params.size() > 0)
 +     {
 +         std::string str = params[0].get_str();
 +         
 +         if (str == "0" || str == "n" || str == "no" || str == "-" || str == "false")
 +             fShowSecrets = false;
 +         else
 +             fShowSecrets = true;
 +     };
 +     
 +     if (fShowSecrets)
 +     {
 +         if (pwalletMain->IsLocked())
 +             throw runtime_error("Failed: Wallet must be unlocked.");
 +     };
 +     
 +     Object result;
 +     
 +     std::set<CStealthAddress>::iterator it;
 +     for (it = pwalletMain->stealthAddresses.begin(); it != pwalletMain->stealthAddresses.end();      +      + it)
 +     {
 +         if (it->scan_secret.size() < 1)
 +             continue; // stealth address is not owned
 +         
 +         if (fShowSecrets)
 +         {
 +             Object objA;
 +             objA.push_back(Pair("Label        ", it->label));
 +             objA.push_back(Pair("Address      ", it->Encoded()));
 +             objA.push_back(Pair("Scan Secret  ", HexStr(it->scan_secret.begin(), it->scan_secret.end())));
 +             objA.push_back(Pair("Spend Secret ", HexStr(it->spend_secret.begin(), it->spend_secret.end())));
 +             result.push_back(Pair("Stealth Address", objA));
 +         } else
 +         {
 +             result.push_back(Pair("Stealth Address", it->Encoded()      +  " - "      +  it->label));
 +         };
 +     };
 +     
 +     return result;
 + }
 + 
 + Value importstealthaddress(const Array& params, bool fHelp)
 + {
 +     if (fHelp || params.size() < 2)
 +         throw runtime_error(
 +             "importstealthaddress <scan_secret> <spend_secret> [label]\n"
 +             "Import an owned stealth addresses.");
 +     
 +     std::string sScanSecret  = params[0].get_str();
 +     std::string sSpendSecret = params[1].get_str();
 +     std::string sLabel;
 +     
 +     
 +     if (params.size() > 2)
 +     {
 +         sLabel = params[2].get_str();
 +     };
 +     
 +     std::vector<uint8_t> vchScanSecret;
 +     std::vector<uint8_t> vchSpendSecret;
 +     
 +     if (IsHex(sScanSecret))
 +     {
 +         vchScanSecret = ParseHex(sScanSecret);
 +     } else
 +     {
 +         if (!DecodeBase58(sScanSecret, vchScanSecret))
 +             throw runtime_error("Could not decode scan secret as hex or base58.");
 +     };
 +     
 +     if (IsHex(sSpendSecret))
 +     {
 +         vchSpendSecret = ParseHex(sSpendSecret);
 +     } else
 +     {
 +         if (!DecodeBase58(sSpendSecret, vchSpendSecret))
 +             throw runtime_error("Could not decode spend secret as hex or base58.");
 +     };
 +     
 +     if (vchScanSecret.size() != 32)
 +         throw runtime_error("Scan secret is not 32 bytes.");
 +     if (vchSpendSecret.size() != 32)
 +         throw runtime_error("Spend secret is not 32 bytes.");
 +     
 +     
 +     ec_secret scan_secret;
 +     ec_secret spend_secret;
 +     
 +     memcpy(&scan_secret.e[0], &vchScanSecret[0], 32);
 +     memcpy(&spend_secret.e[0], &vchSpendSecret[0], 32);
 +     
 +     ec_point scan_pubkey, spend_pubkey;
 +     if (SecretToPublicKey(scan_secret, scan_pubkey) != 0)
 +         throw runtime_error("Could not get scan public key.");
 +     
 +     if (SecretToPublicKey(spend_secret, spend_pubkey) != 0)
 +         throw runtime_error("Could not get spend public key.");
 +     
 +     
 +     CStealthAddress sxAddr;
 +     sxAddr.label = sLabel;
 +     sxAddr.scan_pubkey = scan_pubkey;
 +     sxAddr.spend_pubkey = spend_pubkey;
 +     
 +     sxAddr.scan_secret = vchScanSecret;
 +     sxAddr.spend_secret = vchSpendSecret;
 +     
 +     Object result;
 +     bool fFound = false;
 +     // -- find if address already exists
 +     std::set<CStealthAddress>::iterator it;
 +     for (it = pwalletMain->stealthAddresses.begin(); it != pwalletMain->stealthAddresses.end();      +      + it)
 +     {
 +         CStealthAddress &sxAddrIt = const_cast<CStealthAddress&>(*it);
 +         if (sxAddrIt.scan_pubkey == sxAddr.scan_pubkey
 +             && sxAddrIt.spend_pubkey == sxAddr.spend_pubkey)
 +         {
 +             if (sxAddrIt.scan_secret.size() < 1)
 +             {
 +                 sxAddrIt.scan_secret = sxAddr.scan_secret;
 +                 sxAddrIt.spend_secret = sxAddr.spend_secret;
 +                 fFound = true; // update stealth address with secrets
 +                 break;
 +             };
 +             
 +             result.push_back(Pair("result", "Import failed - stealth address exists."));
 +             return result;
 +         };
 +     };
 +     
 +     if (fFound)
 +     {
 +         result.push_back(Pair("result", "Success, updated "      +  sxAddr.Encoded()));
 +     } else
 +     {
 +         pwalletMain->stealthAddresses.insert(sxAddr);
 +         result.push_back(Pair("result", "Success, imported "      +  sxAddr.Encoded()));
 +     };
 +     
 +     
 +     if (!pwalletMain->AddStealthAddress(sxAddr))
 +         throw runtime_error("Could not save to wallet.");
 +     
 +     return result;
 + }
 + 
 + 
 + Value sendtostealthaddress(const Array& params, bool fHelp)
 + {
 +     if (fHelp || params.size() < 2 || params.size() > 5)
 +         throw runtime_error(
 +             "sendtostealthaddress <stealth_address> <amount> [comment] [comment-to]\n"
 +             "<amount> is a real and is rounded to the nearest 0.000001"
 +                  +  HelpRequiringPassphrase());
 +     
 +     if (pwalletMain->IsLocked())
 +         throw JSONRPCError(RPC_WALLET_UNLOCK_NEEDED, "Error: Please enter the wallet passphrase with walletpassphrase first.");
 +     
 +     std::string sEncoded = params[0].get_str();
 +     int64_t nAmount = AmountFromValue(params[1]);
 +     
 +     CStealthAddress sxAddr;
 +     Object result;
 +     
 +     if (!sxAddr.SetEncoded(sEncoded))
 +     {
 +         result.push_back(Pair("result", "Invalid Deepcoin stealth address."));
 +         return result;
 +     };
 +     
 +     
 +     CWalletTx wtx;
 +     if (params.size() > 2 && params[2].type() != null_type && !params[2].get_str().empty())
 +         wtx.mapValue["comment"] = params[2].get_str();
 +     if (params.size() > 3 && params[3].type() != null_type && !params[3].get_str().empty())
 +         wtx.mapValue["to"]      = params[3].get_str();
 +     
 +     std::string sError;
 +     if (!pwalletMain->SendStealthMoneyToDestination(sxAddr, nAmount, wtx, sError))
 +         throw JSONRPCError(RPC_WALLET_ERROR, sError);
 + 
 +     return wtx.GetHash().GetHex();
 +     
 +     result.push_back(Pair("result", "Not implemented yet."));
 +     
 +     return result;
 + }
 + 
 + Value clearwallettransactions(const Array& params, bool fHelp)
 + {
 +     if (fHelp || params.size() > 0)
 +         throw runtime_error(
 +             "clearwallettransactions \n"
 +             "delete all transactions from wallet - reload with scanforalltxns\n"
 +             "Warning: Backup your wallet first!");
 +     
 +     
 +     
 +     Object result;
 +     
 +     uint32_t nTransactions = 0;
 +     
 +     char cbuf[256];
 +     
 +     {
 +         LOCK2(cs_main, pwalletMain->cs_wallet);
 +         
 +         CWalletDB walletdb(pwalletMain->strWalletFile);
 +         walletdb.TxnBegin();
 +         Dbc* pcursor = walletdb.GetTxnCursor();
 +         if (!pcursor)
 +             throw runtime_error("Cannot get wallet DB cursor");
 +         
 +         Dbt datKey;
 +         Dbt datValue;
 +         
 +         datKey.set_flags(DB_DBT_USERMEM);
 +         datValue.set_flags(DB_DBT_USERMEM);
 +         
 +         std::vector<unsigned char> vchKey;
 +         std::vector<unsigned char> vchType;
 +         std::vector<unsigned char> vchKeyData;
 +         std::vector<unsigned char> vchValueData;
 +         
 +         vchKeyData.resize(100);
 +         vchValueData.resize(100);
 +         
 +         datKey.set_ulen(vchKeyData.size());
 +         datKey.set_data(&vchKeyData[0]);
 +         
 +         datValue.set_ulen(vchValueData.size());
 +         datValue.set_data(&vchValueData[0]);
 +         
 +         unsigned int fFlags = DB_NEXT; // same as using DB_FIRST for new cursor
 +         while (true)
 +         {
 +             int ret = pcursor->get(&datKey, &datValue, fFlags);
 +             
 +             if (ret == ENOMEM
 +                 || ret == DB_BUFFER_SMALL)
 +             {
 +                 if (datKey.get_size() > datKey.get_ulen())
 +                 {
 +                     vchKeyData.resize(datKey.get_size());
 +                     datKey.set_ulen(vchKeyData.size());
 +                     datKey.set_data(&vchKeyData[0]);
 +                 };
 +                 
 +                 if (datValue.get_size() > datValue.get_ulen())
 +                 {
 +                     vchValueData.resize(datValue.get_size());
 +                     datValue.set_ulen(vchValueData.size());
 +                     datValue.set_data(&vchValueData[0]);
 +                 };
 +                 // -- try once more, when DB_BUFFER_SMALL cursor is not expected to move
 +                 ret = pcursor->get(&datKey, &datValue, fFlags);
 +             };
 +             
 +             if (ret == DB_NOTFOUND)
 +                 break;
 +             else
 +             if (datKey.get_data() == NULL || datValue.get_data() == NULL
 +                 || ret != 0)
 +             {
 +                 snprintf(cbuf, sizeof(cbuf), "wallet DB error %d, %s", ret, db_strerror(ret));
 +                 throw runtime_error(cbuf);
 +             };
 +             
 +             CDataStream ssValue(SER_DISK, CLIENT_VERSION);
 +             ssValue.SetType(SER_DISK);
 +             ssValue.clear();
 +             ssValue.write((char*)datKey.get_data(), datKey.get_size());
 +             
 +             ssValue >> vchType;
 +             
 +             
 +             std::string strType(vchType.begin(), vchType.end());
 +             
 +             //printf("strType %s\n", strType.c_str());
 +             
 +             if (strType == "tx")
 +             {
 +                 uint256 hash;
 +                 ssValue >> hash;
 +                 
 +                 if ((ret = pcursor->del(0)) != 0)
 +                 {
 +                     printf("Delete transaction failed %d, %s\n", ret, db_strerror(ret));
 +                     continue;
 +                 };
 +                 
 +                 pwalletMain->mapWallet.erase(hash);
 +                 pwalletMain->NotifyTransactionChanged(pwalletMain, hash, CT_DELETED);
 +                 
 +                 nTransactions     +      + ;
 +             };
 +         };
 +         pcursor->close();
 +         walletdb.TxnCommit();
 +         
 +         
 +         //pwalletMain->mapWallet.clear();
 +     }
 +     
 +     snprintf(cbuf, sizeof(cbuf), "Removed %u transactions.", nTransactions);
 +     result.push_back(Pair("complete", std::string(cbuf)));
 +     result.push_back(Pair("", "Reload with scanforstealthtxns or re-download blockchain."));
 +     
 +     
 +     return result;
 + }
 + 
 + Value scanforalltxns(const Array& params, bool fHelp)
 + {
 +     if (fHelp || params.size() > 1)
 +         throw runtime_error(
 +             "scanforalltxns [fromHeight]\n"
 +             "Scan blockchain for owned transactions.");
 +     
 +     Object result;
 +     int32_t nFromHeight = 0;
 +     
 +     CBlockIndex *pindex = chainActive.Genesis();
 +     
 +     
 +     if (params.size() > 0)
 +         nFromHeight = params[0].get_int();
 +     
 +     
 +     if (nFromHeight > 0)
 +     {
 +         pindex = mapBlockIndex[hashBestChain];
 +         while (pindex->nHeight > nFromHeight
 +             && pindex->pprev)
 +             pindex = pindex->pprev;
 +     };
 +     
 +     if (pindex == NULL)
 +         throw runtime_error("Genesis Block is not set.");
 +     
 +     {
 +         LOCK2(cs_main, pwalletMain->cs_wallet);
 +         
 +         pwalletMain->MarkDirty();
 +         
 +         pwalletMain->ScanForWalletTransactions(pindex, true);
 +         pwalletMain->ReacceptWalletTransactions();
 +     }
 +     
 +     result.push_back(Pair("result", "Scan complete."));
 +     
 +     return result;
 + }
 + 
 + Value scanforstealthtxns(const Array& params, bool fHelp)
 + {
 +     if (fHelp || params.size() > 1)
 +         throw runtime_error(
 +             "scanforstealthtxns [fromHeight]\n"
 +             "Scan blockchain for owned stealth transactions.");
 +     
 +     Object result;
 +     uint32_t nBlocks = 0;
 +     uint32_t nTransactions = 0;
 +     int32_t nFromHeight = 0;
 +     
 +     CBlockIndex *pindex = chainActive.Genesis();
 +     
 +     
 +     if (params.size() > 0)
 +         nFromHeight = params[0].get_int();
 +     
 +     
 +     if (nFromHeight > 0)
 +     {
 +         pindex = mapBlockIndex[hashBestChain];
 +         while (pindex->nHeight > nFromHeight
 +             && pindex->pprev)
 +             pindex = pindex->pprev;
 +     };
 +     
 +     if (pindex == NULL)
 +         throw runtime_error("Genesis Block is not set.");
 +     
 +     // -- locks in AddToWalletIfInvolvingMe
 +     
 +     bool fUpdate = true; // todo: option?
 +     
 +     pwalletMain->nStealth = 0;
 +     pwalletMain->nFoundStealth = 0;
 +     
 +     while (pindex)
 +     {
 +         nBlocks     +      + ;
 +         CBlock block;
 +         ReadBlockFromDisk(block, pindex); //block.ReadFromDisk(pindex);
 +         
 +         BOOST_FOREACH(CTransaction& tx, block.vtx)
 +         {
 +             //if (!tx.IsStandard())
 +             string reason;
 +             if (!IsStandardTx(tx, reason))
 +                 continue; // leave out coinbase and others
 +             nTransactions     +      + ;
 +             
 +             pwalletMain->AddToWalletIfInvolvingMe(tx.GetHash(), tx, &block, fUpdate);
 +         };
 +         
 +         pindex = pindex->pnext;
 +     };
 +     
 +     printf("Scanned %u blocks, %u transactions\n", nBlocks, nTransactions);
 +     printf("Found %u stealth transactions in blockchain.\n", pwalletMain->nStealth);
 +     printf("Found %u new owned stealth transactions.\n", pwalletMain->nFoundStealth);
 +     
 +     char cbuf[256];
 +     snprintf(cbuf, sizeof(cbuf), "%u new stealth transactions.", pwalletMain->nFoundStealth);
 +     
 +     result.push_back(Pair("result", "Scan complete."));
 +     result.push_back(Pair("found", std::string(cbuf)));
 +     
 +     return result;
 + }

Code added stealth function