[Dev] Documenting Feathercoin Specific Software settings - Part 5

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

configure.ac

Include QR codes zxing.

 +define(_USE_ZXING,1)

Add zxing code

 +AC_DEFINE(USE_ZXING, _USE_ZXING,[Define to 1 libzxing must be available for support])

Code added

 +AC_SUBST(USE_ZXING, _USE_ZXING)

zxing code added

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

src/qt/Makefile.am

Include QR codes zxing.

 +   forms/qrcodedialog.ui \
 +   forms/snapwidget.ui \

 +   moc_qrcodedialog.cpp \
 +   moc_snapwidget.cpp \

 +   qrcodedialog.h \
 +   snapwidget.h \
 +   qimagesource.h \

 +   qrcodedialog.cpp \

 +   snapwidget.cpp \
 +   qimagesource.cpp \

zxing Code added

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

src/qt/feathercoin.qrc

Include QR codes zxing.

 +    <file alias="merchant_bit">res/images/bittrex.png</file>

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

src/qt/forms/merchantlist.ui

Include QR codes zxing.

 +         <layout class="QHBoxLayout" name="horizontalLayout_6">
 +          <item>
 +           <widget class="QLabel" name="label_left_5">
 +            <property name="cursor">
 +             <cursorShape>PointingHandCursor</cursorShape>
 +            </property>
 +            <property name="toolTip">
 +             <string>a altcoin currency exchange</string>
 +            </property>
 +            <property name="text">
 +             <string/>
 +            </property>
 +            <property name="pixmap">
 +             <pixmap resource="../feathercoin.qrc">:/images/merchant_bit</pixmap>
 +            </property>
 +           </widget>
 +          </item>
 +          <item>
 +           <widget class="QLabel" name="label_left_6">
 +            <property name="text">
 +             <string/>
 +            </property>
 +           </widget>
 +          </item>
 +         </layout>
 +        </item>
 +        <item>

Code included

 -        <layout class="QHBoxLayout" name="horizontalLayout_6">
 -         <item>
 -          <widget class="QLabel" name="label_left_5">
 -           <property name="text">
 -            <string/>
 -           </property>
 -          </widget>
 -         </item>
 -         <item>
 -          <widget class="QLabel" name="label_left_6">
 -           <property name="text">
 -            <string/>
 -           </property>
 -          </widget>
 -         </item>
 -        </layout>
 -       </item>
 -       <item>

Code removed

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

src/qt/forms/sendcoinsdialog.ui

Include QR codes zxing. User interface changes

 +     <property name="margin">

Code added

 -           <property name="leftMargin">
 -            <number>0</number>
 -           </property>
 -           <property name="topMargin">
 -            <number>0</number>
 -           </property>
 -           <property name="rightMargin">
 -            <number>0</number>
 -           </property>
 -           <property name="bottomMargin">

Code removed

 +        <height>177</height>

Code added

 -       <property name="leftMargin">
 -        <number>0</number>
 -       </property>
 -       <property name="topMargin">
 -        <number>0</number>
 -       </property>
 -       <property name="rightMargin">
 -        <number>0</number>
 -       </property>
 -       <property name="bottomMargin">

Code removed

 +         <iconset resource="../feathercoin.qrc">

 +         <iconset resource="../feathercoin.qrc">

 +         <iconset resource="../feathercoin.qrc">

Code replaced

 +       <widget class="QPushButton" name="sendQRButton">
 +        <property name="text">
 +         <string>Send To &amp;QR</string>
 +        </property>
 +        <property name="icon">
 +         <iconset resource="../feathercoin.qrc">
 +          <normaloff>:/icons/qrcode</normaloff>:/icons/qrcode</iconset>
 +        </property>
 +       </widget>
 +      </item>
 +      <item>

Code added

 +  <include location="../feathercoin.qrc"/>

Code replaced

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

src/qt/merchantlist.cpp

 +     ui->label_left_5->installEventFilter(this);
 +     ui->label_left_6->installEventFilter(this);

Code replaced

 +     if (obj == ui->label_left_5) { 
 +    QDesktopServices::openUrl(QUrl("https://bittrex.com/Market/?MarketName=BTC-FTC"));
 +     return true; 
 +     }

Code added

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

src/qt/qimagesource.cpp

New file addition

 + #include "qimagesource.h"
 + #include <QColor>
 + 
 + QImageLuminanceSource::QImageLuminanceSource(QImage& _image) : LuminanceSource(_image.width(), _image.height())
 + {
 +     image = _image.copy();
 + }
 + 
 + 
 + ArrayRef<char> QImageLuminanceSource::getRow(int y, ArrayRef<char> _row) const
 + {
 +     for (int x = 0; x < this->getWidth(); x     +      + )
 +         _row[x] = qGray(image.pixel(x, y));
 +     return _row;
 + }
 + 
 + ArrayRef<char> QImageLuminanceSource::getMatrix() const
 + {
 +     ArrayRef<char> mymatrix(width*height);
 +     for (int y = 0; y < height; y     +      + )
 +     {
 +         for (int x = 0; x < width; x     +      + ) {
 +             mymatrix[y*width     + x] = qGray(image.pixel(x, y));
 +         }
 +     }
 +     return mymatrix;
 + }
 + 

New file code

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

src/qt/qimagesource.h

New file addition

 + #ifndef QIMAGELUMINANCESOURCE_H
 + #define QIMAGELUMINANCESOURCE_H
 + 
 + #include <QImage>
 + #include <QString>
 + #include <zxing/LuminanceSource.h>
 + 
 + using namespace zxing;
 + 
 + class QImageLuminanceSource : public LuminanceSource
 + {
 + public:
 +     QImageLuminanceSource(QImage& image);
 +     ArrayRef<char> getMatrix() const;
 +     ArrayRef<char> getRow(int y, ArrayRef<char> row) const;
 +    
 + private:
 +     QImage image;
 + };
 + 
 + #endif //QIMAGELUMINANCESOURCE_H

New file code

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

src/qt/res/images/*

  +   src/qt/res/images/bittrex.png

New image file addition

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

src/qt/sendcoinsdialog.cpp*

 + #include <QClipboard>


 + #ifdef USE_ZXING
 + #include "snapwidget.h"
 + #endif
 +  

New code

 +    ui->sendQRButton->setIcon(QIcon());

Code replaced

 + #ifndef USE_ZXING
 +     this->ui->sendQRButton->hide();
 + #endif
 + 

Code added

 + void SendCoinsDialog::on_sendQRButton_clicked()
 + {
 + #ifdef USE_ZXING
 +     SnapWidget* snap = new SnapWidget(this);
 +     connect(snap, SIGNAL(finished(QString)), this, SLOT(onSnapClosed(QString)));
 + #endif
 + }
 + 
 + void SendCoinsDialog::onSnapClosed(QString s)
 + {
 +     emit sendCoins(s);
 + }
 + 

Code added

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

src/qt/sendcoinsdialog.h*

 +     /** Scan of QR code finished */
 +     void onSnapClosed(QString s);
 +     

 +     void on_sendQRButton_clicked();

 +     void signMessage(QString addr);
 +     void verifyMessage(QString addr);
 +     void sendCoins(QString addr);

Code added

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

qt/sendcoinsentry.cpp*

 -    ui->payTo->setText(address);

Code removed

 +     //may have been scanned in so it must be parsed first
 +     if (address.size() > 34) {
 +         QString _address;
 +         QString _label;
 +         QString _amount;     
 +         int x = address.indexOf(":", 0, Qt::CaseInsensitive);
 +         if (x) 
 +             _address = address.mid(x     + 1, 34); 
 +         //Todo: parse out label and amount from incoming string
 +         ui->payTo->setText(_address);
 +     }
 +     else {
 +         ui->payTo->setText(address);
 +     }

Code replaced

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

src/qt/snapwidget.cpp

New file

 + // Copyright (c) 2013-2014 The Feathercoin developers
 + 
 + #include "snapwidget.h"
 + #if (QT_VERSION >= QT_VERSION_CHECK(5, 0, 0))
 + #include <QtWidgets>
 + #include <QDialog>
 + #else
 + #include <QDesktopWidget>
 + #endif
 + #include <zxing/common/GlobalHistogramBinarizer.h>
 + #include <zxing/Binarizer.h>
 + #include <zxing/BinaryBitmap.h>
 + #include <zxing/MultiFormatReader.h>
 + #include "qimagesource.h"
 + 
 + 
 + //////////////////  SnapWidget Class
 + SnapWidget::SnapWidget(QWidget* _parent)
 + #ifdef Q_OS_MAC

Start of new file code 114 lines

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

src/qt/snapwidget.h

New file

 + // Copyright (c) 2013-2014 The Feathercoin developers
 + 
 + #ifndef SNAPWIDGET_H
 + #define SNAPWIDGET_H
 + #include "ui_snapwidget.h"
 + #include "addressbookpage.h"
 + 
 + class SnapWidget :public QDialog, public Ui::SnapWidget
 + {
 +     Q_OBJECT
 + public:
 + 
 +     SnapWidget(QWidget* _parent);
 +     ~SnapWidget();
 +     void prepareMask();
 +     virtual void closeEvent(QCloseEvent *event);
 +     void resizeEvent(QResizeEvent*);
 +     public slots:
 +     void on_cancelButton_clicked();
 +     void on_snapButton_clicked();
 + 
 + 
 + signals:
 +     void finished(QString s);
 + 
 + public:
 +     QString decodedString;
 + 
 + };
 + #endif // SNAPWIDGET_H

New file code

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

src/qt/walletmodel.cpp

 +#include "init.h"

Code added

 +     // Get required locks upfront. This avoids the GUI from getting stuck on
 +     // periodical polls if the core is holding the locks for a longer time -
 +     // for example, during a wallet rescan.
 +     TRY_LOCK(cs_main, lockMain);
 +     if(!lockMain)
 +         return;
 +     TRY_LOCK(wallet->cs_wallet, lockWallet);
 +     if(!lockWallet)
 +         return;
 + 

Code added

 + 
     checkBalanceChanged();
 +         if(transactionTableModel)
 +             transactionTableModel->updateConfirmations();

Code added

 + bool WalletModel::importPrivateKey(QString privKey)
 + {
 +     CBitcoinSecret vchSecret;
 +     bool fGood = vchSecret.SetString(privKey.toStdString());
 +     if (!fGood)
 +         return false;
 +     CKey key = vchSecret.GetKey();
 +     CPubKey pubkey = key.GetPubKey();
 +     CKeyID vchAddress = pubkey.GetID();
 +     {
 +         LOCK2(cs_main, pwalletMain->cs_wallet);
 +         pwalletMain->MarkDirty();
 +         pwalletMain->SetAddressBook(vchAddress, ("imported wallet"),"send");
 +         if (!pwalletMain->AddKeyPubKey(key, pubkey))
 +             return false;
 +         pwalletMain->ScanForWalletTransactions(chainActive.Genesis(), true);
 +         pwalletMain->ReacceptWalletTransactions();
 +         //printf("importing walling with public key %s\n", vchAddress.ToString().c_str()); 
 +     }
 +     return true;
 + }
 + 

Code added

 +     LOCK2(cs_main, wallet->cs_wallet);

 +     LOCK2(cs_main, wallet->cs_wallet);

 +     LOCK2(cs_main, wallet->cs_wallet); // ListLockedCoins, mapWallet

Wallet lock interface change, numerous lock -> lock2 updates.

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

src/qt/walletmodel.h

 +#pragma warning(disable:4717)  //bogus warning from MS

Add code

 +		bool importPrivateKey(QString privKey);

Add code

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

src/qt/walletview.cpp

 +     connect(receiveCoinsPage, SIGNAL(importWallet(QString)), this, SLOT(importWallet(QString)));
 +     // Clicking on "Send to QR" sends you to the send coins tab after snapping and reading image
 +     connect(sendCoinsPage, SIGNAL(sendCoins(QString)), this, SLOT(gotoSendCoinsPage(QString)));

Code added

 -        connect(walletModel, SIGNAL(showProgress(QString,int)), this, SLOT(showProgress(QString,int)));
+        connect(walletModel, SIGNAL(showProgress(QString,int)), this, SLOT(showProgress(QString,int)));    

Code replaced ??

 + void WalletView::importWallet(QString privateKey)
 + {
 +     if(!walletModel)
 +         return;
 +         
 +     bool b =walletModel->importPrivateKey(privateKey);   
 + }
 + 

Code added

[wrapper]

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

Add QR-Snap : - commit

https://github.com/FeatherCoin/Feathercoin/commit/8ba72918a0710ef66df39a5df97725b1a7b740b4

src/qt/walletview.h

QR codes first commit

 +    /** Import a wallet from a string */
 +    void importWallet(QString privateKey);

Code added

[Wellenreiter]

@wrapper

• Copyright was updated in a later commit
• the zxing flag was removed in a later commit
  • qrflag triggers use of zxing then