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Add a menu option to verify a signed message

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(Also move 'setAttribute(Qt::WA_DeleteOnClose)' out of QRCodeDialog)
This commit is contained in:
sje397 2012-02-27 22:55:04 +11:00
parent 97521b5257
commit 0c587936c7
8 changed files with 283 additions and 4 deletions
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9
bitcoin-qt.pro
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@ -159,7 +159,8 @@ HEADERS += src/qt/bitcoingui.h \
src/qt/qtipcserver.h \
src/allocators.h \
src/ui_interface.h \
src/qt/rpcconsole.h
src/qt/rpcconsole.h \
src/qt/verifymessagedialog.h
SOURCES += src/qt/bitcoin.cpp src/qt/bitcoingui.cpp \
src/qt/transactiontablemodel.cpp \
@ -214,7 +215,8 @@ SOURCES += src/qt/bitcoin.cpp src/qt/bitcoingui.cpp \
src/protocol.cpp \
src/qt/notificator.cpp \
src/qt/qtipcserver.cpp \
src/qt/rpcconsole.cpp
src/qt/rpcconsole.cpp \
src/qt/verifymessagedialog.cpp
RESOURCES += \
src/qt/bitcoin.qrc
@ -229,7 +231,8 @@ FORMS += \
src/qt/forms/overviewpage.ui \
src/qt/forms/sendcoinsentry.ui \
src/qt/forms/askpassphrasedialog.ui \
src/qt/forms/rpcconsole.ui
src/qt/forms/rpcconsole.ui \
src/qt/forms/verifymessagedialog.ui
contains(USE_QRCODE, 1) {
HEADERS += src/qt/qrcodedialog.h

1
src/qt/addressbookpage.cpp
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@ -324,6 +324,7 @@ void AddressBookPage::on_showQRCode_clicked()
QString address = index.data().toString(), label = index.sibling(index.row(), 0).data(Qt::EditRole).toString();
QRCodeDialog *dialog = new QRCodeDialog(address, label, tab == ReceivingTab, this);
dialog->setAttribute(Qt::WA_DeleteOnClose);
dialog->show();
}
#endif

13
src/qt/bitcoingui.cpp
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@ -9,6 +9,7 @@
#include "addressbookpage.h"
#include "sendcoinsdialog.h"
#include "messagepage.h"
#include "verifymessagedialog.h"
#include "optionsdialog.h"
#include "aboutdialog.h"
#include "clientmodel.h"
@ -255,6 +256,8 @@ void BitcoinGUI::createActions()
changePassphraseAction->setToolTip(tr("Change the passphrase used for wallet encryption"));
openRPCConsoleAction = new QAction(tr("&Debug window"), this);
openRPCConsoleAction->setToolTip(tr("Open debugging and diagnostic console"));
verifyMessageAction = new QAction(QIcon(":/icons/transaction_0"), tr("&Verify message..."), this);
verifyMessageAction->setToolTip(tr("Verify a message signature"));
connect(quitAction, SIGNAL(triggered()), qApp, SLOT(quit()));
connect(optionsAction, SIGNAL(triggered()), this, SLOT(optionsClicked()));
@ -264,6 +267,7 @@ void BitcoinGUI::createActions()
connect(encryptWalletAction, SIGNAL(triggered(bool)), this, SLOT(encryptWallet(bool)));
connect(backupWalletAction, SIGNAL(triggered()), this, SLOT(backupWallet()));
connect(changePassphraseAction, SIGNAL(triggered()), this, SLOT(changePassphrase()));
connect(verifyMessageAction, SIGNAL(triggered()), this, SLOT(verifyMessage()));
}
void BitcoinGUI::createMenuBar()
@ -283,6 +287,7 @@ void BitcoinGUI::createMenuBar()
#ifndef FIRST_CLASS_MESSAGING
file->addAction(messageAction);
#endif
file->addAction(verifyMessageAction);
file->addSeparator();
file->addAction(quitAction);
@ -405,6 +410,7 @@ void BitcoinGUI::createTrayIcon()
trayIconMenu->addAction(openRPCConsoleAction);
trayIconMenu->addSeparator();
trayIconMenu->addAction(messageAction);
trayIconMenu->addAction(verifyMessageAction);
#ifndef FIRST_CLASS_MESSAGING
trayIconMenu->addSeparator();
#endif
@ -836,6 +842,13 @@ void BitcoinGUI::changePassphrase()
dlg.exec();
}
void BitcoinGUI::verifyMessage()
{
VerifyMessageDialog *dlg = new VerifyMessageDialog(walletModel->getAddressTableModel(), this);
dlg->setAttribute(Qt::WA_DeleteOnClose);
dlg->show();
}
void BitcoinGUI::unlockWallet()
{
if(!walletModel)

3
src/qt/bitcoingui.h
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@ -79,6 +79,7 @@ private:
QAction *sendCoinsAction;
QAction *addressBookAction;
QAction *messageAction;
QAction *verifyMessageAction;
QAction *aboutAction;
QAction *receiveCoinsAction;
QAction *optionsAction;
@ -163,6 +164,8 @@ private slots:
void backupWallet();
/** Change encrypted wallet passphrase */
void changePassphrase();
/** Verify a message signature */
void verifyMessage();
/** Ask for pass phrase to unlock wallet temporarily */
void unlockWallet();

149
src/qt/forms/verifymessagedialog.ui Normal file
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@ -0,0 +1,149 @@
<?xml version="1.0" encoding="UTF-8"?>
<ui version="4.0">
<class>VerifyMessageDialog</class>
<widget class="QDialog" name="VerifyMessageDialog">
<property name="geometry">
<rect>
<x>0</x>
<y>0</y>
<width>494</width>
<height>342</height>
</rect>
</property>
<property name="windowTitle">
<string>Verify Signed Message</string>
</property>
<layout class="QVBoxLayout" name="verticalLayout">
<item>
<widget class="QLabel" name="label">
<property name="text">
<string>Enter the message and signature below (be careful to correctly copy newlines, spaces, tabs, and other invisible characters), and press apply to obtain the bitcoin address used to sign the message.</string>
</property>
<property name="alignment">
<set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
</property>
<property name="wordWrap">
<bool>true</bool>
</property>
</widget>
</item>
<item>
<widget class="QPlainTextEdit" name="edMessage"/>
</item>
<item>
<widget class="QLineEdit" name="lnSig">
<property name="text">
<string/>
</property>
<property name="placeholderText">
<string>Signature</string>
</property>
</widget>
</item>
<item>
<widget class="QLineEdit" name="lnAddress">
<property name="text">
<string/>
</property>
<property name="readOnly">
<bool>true</bool>
</property>
<property name="placeholderText">
<string>Address</string>
</property>
</widget>
</item>
<item>
<widget class="QLabel" name="lblStatus">
<property name="text">
<string/>
</property>
</widget>
</item>
<item>
<layout class="QHBoxLayout" name="horizontalLayout">
<item>
<widget class="QPushButton" name="copyToClipboard">
<property name="enabled">
<bool>false</bool>
</property>
<property name="toolTip">
<string>Copy the currently selected address to the system clipboard</string>
</property>
<property name="text">
<string>&amp;Copy Address</string>
</property>
<property name="icon">
<iconset resource="../bitcoin.qrc">
<normaloff>:/icons/editcopy</normaloff>:/icons/editcopy</iconset>
</property>
</widget>
</item>
<item>
<spacer name="horizontalSpacer">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="sizeHint" stdset="0">
<size>
<width>40</width>
<height>20</height>
</size>
</property>
</spacer>
</item>
<item>
<widget class="QDialogButtonBox" name="buttonBox">
<property name="orientation">
<enum>Qt::Horizontal</enum>
</property>
<property name="standardButtons">
<set>QDialogButtonBox::Apply|QDialogButtonBox::Close</set>
</property>
<property name="centerButtons">
<bool>false</bool>
</property>
</widget>
</item>
</layout>
</item>
</layout>
</widget>
<resources>
<include location="../bitcoin.qrc"/>
</resources>
<connections>
<connection>
<sender>buttonBox</sender>
<signal>accepted()</signal>
<receiver>VerifyMessageDialog</receiver>
<slot>accept()</slot>
<hints>
<hint type="sourcelabel">
<x>248</x>
<y>254</y>
</hint>
<hint type="destinationlabel">
<x>157</x>
<y>274</y>
</hint>
</hints>
</connection>
<connection>
<sender>buttonBox</sender>
<signal>rejected()</signal>
<receiver>VerifyMessageDialog</receiver>
<slot>reject()</slot>
<hints>
<hint type="sourcelabel">
<x>316</x>
<y>260</y>
</hint>
<hint type="destinationlabel">
<x>286</x>
<y>274</y>
</hint>
</hints>
</connection>
</connections>
</ui>

1
src/qt/qrcodedialog.cpp
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@ -15,7 +15,6 @@ QRCodeDialog::QRCodeDialog(const QString &addr, const QString &label, bool enabl
{
ui->setupUi(this);
setWindowTitle(QString("%1").arg(address));
setAttribute(Qt::WA_DeleteOnClose);
ui->chkReqPayment->setVisible(enableReq);
ui->lnReqAmount->setVisible(enableReq);

75
src/qt/verifymessagedialog.cpp Normal file
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@ -0,0 +1,75 @@
#include "verifymessagedialog.h"
#include "ui_verifymessagedialog.h"
#include <string>
#include <vector>
#include <QDialogButtonBox>
#include <QAbstractButton>
#include <QClipboard>
#include <QMessageBox>
#include "main.h"
#include "wallet.h"
#include "walletmodel.h"
#include "addresstablemodel.h"
#include "guiutil.h"
VerifyMessageDialog::VerifyMessageDialog(AddressTableModel *addressModel, QWidget *parent) :
QDialog(parent),
ui(new Ui::VerifyMessageDialog),
model(addressModel)
{
ui->setupUi(this);
GUIUtil::setupAddressWidget(ui->lnAddress, this);
}
VerifyMessageDialog::~VerifyMessageDialog()
{
delete ui;
}
bool VerifyMessageDialog::checkAddress()
{
CDataStream ss(SER_GETHASH, 0);
ss << strMessageMagic;
ss << ui->edMessage->document()->toPlainText().toStdString();
uint256 hash = Hash(ss.begin(), ss.end());
bool invalid = true;
std::vector<unsigned char> vchSig = DecodeBase64(ui->lnSig->text().toStdString().c_str(), &invalid);
if(invalid)
{
QMessageBox::warning(this, tr("Invalid Signature"), tr("The signature could not be decoded. Please check the signature and try again."));
return false;
}
CKey key;
if(!key.SetCompactSignature(hash, vchSig))
{
QMessageBox::warning(this, tr("Invalid Signature"), tr("The signature did not match the message digest. Please check the signature and try again."));
return false;
}
CBitcoinAddress address(key.GetPubKey());
QString qStringAddress = QString::fromStdString(address.ToString());
ui->lnAddress->setText(qStringAddress);
ui->copyToClipboard->setEnabled(true);
QString label = model->labelForAddress(qStringAddress);
ui->lblStatus->setText(label.isEmpty() ? tr("Address not found in address book.") : tr("Address found in address book: %1").arg(label));
return true;
}
void VerifyMessageDialog::on_buttonBox_clicked(QAbstractButton *button)
{
if(ui->buttonBox->buttonRole(button) == QDialogButtonBox::ApplyRole)
checkAddress();
}
void VerifyMessageDialog::on_copyToClipboard_clicked()
{
QApplication::clipboard()->setText(ui->lnAddress->text());
}

36
src/qt/verifymessagedialog.h Normal file
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@ -0,0 +1,36 @@
#ifndef VERIFYMESSAGEDIALOG_H
#define VERIFYMESSAGEDIALOG_H
#include <QDialog>
class AddressTableModel;
QT_BEGIN_NAMESPACE
class QAbstractButton;
QT_END_NAMESPACE
namespace Ui {
class VerifyMessageDialog;
}
class VerifyMessageDialog : public QDialog
{
Q_OBJECT
public:
explicit VerifyMessageDialog(AddressTableModel *addressModel, QWidget *parent = 0);
~VerifyMessageDialog();
private slots:
void on_buttonBox_clicked(QAbstractButton *button);
void on_copyToClipboard_clicked();
private:
bool checkAddress();
Ui::VerifyMessageDialog *ui;
AddressTableModel *model;
};
#endif // VERIFYMESSAGEDIALOG_H