a free Monero desktop wallet
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// SPDX-License-Identifier: BSD-3-Clause
// Copyright (c) 2020-2021, The Monero Project.
#include "WalletWizard.h"
#include "PageWalletRestoreSeed.h"
#include "ui_PageWalletRestoreSeed.h"
#include <QPlainTextEdit>
#include <QMessageBox>
#include <monero_seed/wordlist.hpp> // tevador 14 word
#include "utils/FeatherSeed.h"
#include "constants.h"
#include <mnemonics/electrum-words.h>
PageWalletRestoreSeed::PageWalletRestoreSeed(WizardFields *fields, QWidget *parent)
: QWizardPage(parent)
, ui(new Ui::PageWalletRestoreSeed)
, m_fields(fields)
{
ui->setupUi(this);
std::vector<const Language::Base*> wordlists = crypto::ElectrumWords::get_language_list();
for (const auto& wordlist: wordlists) {
QStringList words_qt;
std::vector<std::string> words_std = wordlist->get_word_list();
for (const auto& word: words_std) {
words_qt += QString::fromStdString(word);
}
QString language = QString::fromStdString(wordlist->get_english_language_name());
ui->combo_seedLanguage->addItem(language);
m_wordlists[language] = words_qt;
}
QStringList bip39English;
for (int i = 0; i != 2048; i++)
bip39English << QString::fromStdString(wordlist::english.get_word(i));
// Restore has limited error correction capability, namely it can correct a single erasure
// (illegible word with a known location). This can be tested by replacing a word with xxxx
bip39English << "xxxx";
m_tevador.length = 14;
m_tevador.setWords(bip39English);
m_legacy.length = 25;
m_legacy.setWords(m_wordlists["English"]);
ui->combo_seedLanguage->setCurrentText("English");
ui->seedEdit->setAcceptRichText(false);
ui->seedEdit->setMaximumHeight(150);
connect(ui->seedBtnGroup, QOverload<QAbstractButton *>::of(&QButtonGroup::buttonClicked), this, &PageWalletRestoreSeed::onSeedTypeToggled);
connect(ui->combo_seedLanguage, &QComboBox::currentTextChanged, this, &PageWalletRestoreSeed::onSeedLanguageChanged);
this->onSeedTypeToggled();
}
void PageWalletRestoreSeed::onSeedTypeToggled() {
if (ui->radio14->isChecked()) {
m_mode = &m_tevador;
m_fields->seedType = SeedType::TEVADOR;
ui->seedEdit->setPlaceholderText("Enter 14 word seed..");
ui->group_seedLanguage->hide();
}
else if (ui->radio25->isChecked()) {
m_mode = &m_legacy;
m_fields->seedType = SeedType::MONERO;
ui->seedEdit->setPlaceholderText("Enter 25 word seed..");
ui->group_seedLanguage->show();
}
ui->label_errorString->hide();
ui->seedEdit->setStyleSheet("");
ui->seedEdit->setCompleter(&m_mode->completer);
ui->seedEdit->setText("");
}
void PageWalletRestoreSeed::onSeedLanguageChanged(const QString &language) {
m_legacy.setWords(m_wordlists[language]);
m_fields->seedLanguage = language;
}
int PageWalletRestoreSeed::nextId() const {
if (m_mode == &m_legacy) {
return WalletWizard::Page_SetRestoreHeight;
}
return WalletWizard::Page_WalletFile;
}
void PageWalletRestoreSeed::initializePage() {
this->setTitle(m_fields->modeText);
ui->seedEdit->setText("");
ui->seedEdit->setStyleSheet("");
ui->label_errorString->hide();
ui->line_seedOffset->setText("");
}
bool PageWalletRestoreSeed::validatePage() {
ui->label_errorString->hide();
ui->seedEdit->setStyleSheet("");
auto errStyle = "QTextEdit{border: 1px solid red;}";
auto seed = ui->seedEdit->toPlainText().replace("\n", " ").replace("\r", "").trimmed();
QStringList seedSplit = seed.split(" ", Qt::SkipEmptyParts);
if (seedSplit.length() != m_mode->length) {
ui->label_errorString->show();
ui->label_errorString->setText(QString("The mnemonic seed should be %1 words.").arg(m_mode->length));
ui->seedEdit->setStyleSheet(errStyle);
return false;
}
// libwallet will accept e.g. "brötchen" or "BRÖTCHEN" instead of "Brötchen"
QStringList lowercaseWords;
for (const auto &word : m_mode->words) {
lowercaseWords << word.toLower();
}
for (const auto &word : seedSplit) {
if (!lowercaseWords.contains(word.toLower())) {
ui->label_errorString->show();
ui->label_errorString->setText(QString("Mnemonic seed contains an unknown word: %1").arg(word));
ui->seedEdit->setStyleSheet(errStyle);
return false;
}
}
auto _seed = FeatherSeed(constants::networkType, QString::fromStdString(constants::coinName), constants::seedLanguage, seedSplit);
if (!_seed.errorString.isEmpty()) {
QMessageBox::warning(this, "Invalid seed", QString("Invalid seed:\n\n%1").arg(_seed.errorString));
ui->seedEdit->setStyleSheet(errStyle);
return false;
}
if (!_seed.correction.isEmpty()) {
QMessageBox::information(this, "Corrected erasure", QString("xxxx -> %1").arg(_seed.correction));
}
m_fields->seed = seedSplit.join(" ");
m_fields->seedOffsetPassphrase = ui->line_seedOffset->text();
return true;
}