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120 lines
3.7 KiB
120 lines
3.7 KiB
#include "verifymessagedialog.h"
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#include "ui_verifymessagedialog.h"
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#include <string>
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#include <vector>
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#include <QDialog>
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#include <QLabel>
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#include <QLineEdit>
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#include <QPlainTextEdit>
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#include <QPushButton>
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#include "main.h"
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#include "wallet.h"
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#include "walletmodel.h"
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#include "guiutil.h"
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#include "base58.h"
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VerifyMessageDialog::VerifyMessageDialog(QWidget *parent) :
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QDialog(parent),
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ui(new Ui::VerifyMessageDialog)
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{
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ui->setupUi(this);
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#if (QT_VERSION >= 0x040700)
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/* Do not move this to the XML file, Qt before 4.7 will choke on it */
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ui->lnAddress->setPlaceholderText(tr("Enter a Bitcoin address (e.g. 1NS17iag9jJgTHD1VXjvLCEnZuQ3rJDE9L)"));
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ui->lnSig->setPlaceholderText(tr("Enter Bitcoin signature"));
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#endif
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GUIUtil::setupAddressWidget(ui->lnAddress, this);
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ui->lnAddress->installEventFilter(this);
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ui->lnSig->setFont(GUIUtil::bitcoinAddressFont());
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ui->lnAddress->setFocus();
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}
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VerifyMessageDialog::~VerifyMessageDialog()
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{
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delete ui;
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}
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void VerifyMessageDialog::on_verifyMessage_clicked()
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{
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CBitcoinAddress addr(ui->lnAddress->text().toStdString());
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if (!addr.IsValid())
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{
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ui->lnAddress->setValid(false);
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ui->lblStatus->setStyleSheet("QLabel { color: red; }");
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ui->lblStatus->setText(tr("\"%1\" is not a valid address.").arg(ui->lnAddress->text()) + QString(" ") + tr("Please check the address and try again."));
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return;
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}
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CKeyID keyID;
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if (!addr.GetKeyID(keyID))
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{
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ui->lnAddress->setValid(false);
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ui->lblStatus->setStyleSheet("QLabel { color: red; }");
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ui->lblStatus->setText(tr("\"%1\" does not refer to a key.").arg(ui->lnAddress->text()) + QString(" ") + tr("Please check the address and try again."));
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return;
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}
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bool fInvalid = false;
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std::vector<unsigned char> vchSig = DecodeBase64(ui->lnSig->text().toStdString().c_str(), &fInvalid);
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if (fInvalid)
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{
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ui->lnSig->setValid(false);
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ui->lblStatus->setStyleSheet("QLabel { color: red; }");
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ui->lblStatus->setText(tr("The signature could not be decoded.") + QString(" ") + tr("Please check the signature and try again."));
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return;
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}
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CDataStream ss(SER_GETHASH, 0);
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ss << strMessageMagic;
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ss << ui->edMessage->document()->toPlainText().toStdString();
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CKey key;
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if (!key.SetCompactSignature(Hash(ss.begin(), ss.end()), vchSig))
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{
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ui->lnSig->setValid(false);
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ui->lblStatus->setStyleSheet("QLabel { color: red; }");
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ui->lblStatus->setText(tr("The signature did not match the message digest.")+ QString(" ") + tr("Please check the signature and try again."));
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return;
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}
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if (!(CBitcoinAddress(key.GetPubKey().GetID()) == addr))
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{
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ui->lblStatus->setStyleSheet("QLabel { color: red; }");
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ui->lblStatus->setText(QString("<nobr>") + tr("Message verification failed.") + QString("</nobr>"));
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return;
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}
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ui->lblStatus->setStyleSheet("QLabel { color: green; }");
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ui->lblStatus->setText(QString("<nobr>") + tr("Message verified.") + QString("</nobr>"));
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}
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void VerifyMessageDialog::on_clearButton_clicked()
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{
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ui->lnAddress->clear();
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ui->lnSig->clear();
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ui->edMessage->clear();
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ui->lblStatus->clear();
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ui->edMessage->setFocus();
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}
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bool VerifyMessageDialog::eventFilter(QObject *object, QEvent *event)
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{
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if (object == ui->lnAddress && (event->type() == QEvent::MouseButtonPress ||
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event->type() == QEvent::FocusIn))
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{
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// set lnAddress to valid, as QEvent::FocusIn would not reach QValidatedLineEdit::focusInEvent
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ui->lnAddress->setValid(true);
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ui->lnAddress->selectAll();
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return true;
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}
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return QDialog::eventFilter(object, event);
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}
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