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#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);
#if (QT_VERSION >= 0x040700)
/* Do not move this to the XML file, Qt before 4.7 will choke on it */
ui->lnSig->setPlaceholderText(tr("Enter Bitcoin signature"));
ui->lnAddress->setPlaceholderText(tr("Click \"Verify Message\" to obtain address"));
#endif
GUIUtil::setupAddressWidget(ui->lnAddress, this);
ui->lnAddress->installEventFilter(this);
ui->edMessage->setFocus();
}
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_verifyMessage_clicked()
{
checkAddress();
}
void VerifyMessageDialog::on_copyToClipboard_clicked()
{
QApplication::clipboard()->setText(ui->lnAddress->text());
}
void VerifyMessageDialog::on_clearButton_clicked()
{
ui->edMessage->clear();
ui->lnSig->clear();
ui->lnAddress->clear();
ui->lblStatus->clear();
ui->edMessage->setFocus();
}
bool VerifyMessageDialog::eventFilter(QObject *object, QEvent *event)
{
if(object == ui->lnAddress && (event->type() == QEvent::MouseButtonPress ||
event->type() == QEvent::FocusIn))
{
ui->lnAddress->selectAll();
return true;
}
return QDialog::eventFilter(object, event);
}
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