286 lines
10 KiB
Python
286 lines
10 KiB
Python
#!/usr/bin/env python
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#
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# Electrum - Lightweight Bitcoin Client
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# Copyright (C) 2015 Thomas Voegtlin
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation files
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# (the "Software"), to deal in the Software without restriction,
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# including without limitation the rights to use, copy, modify, merge,
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# publish, distribute, sublicense, and/or sell copies of the Software,
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# and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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from functools import partial
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from threading import Thread
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import re
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from decimal import Decimal
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from PyQt4.QtGui import *
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from PyQt4.QtCore import *
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from electrum_gui.qt.util import *
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from electrum_gui.qt.qrcodewidget import QRCodeWidget
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from electrum_gui.qt.amountedit import AmountEdit
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from electrum_gui.qt.main_window import StatusBarButton
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from electrum.i18n import _
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from electrum.plugins import hook
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from trustedcoin import TrustedCoinPlugin, server
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class Plugin(TrustedCoinPlugin):
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@hook
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def on_new_window(self, window):
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wallet = window.wallet
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if not isinstance(wallet, self.wallet_class):
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return
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if wallet.can_sign_without_server():
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msg = ' '.join([
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_('This wallet is was restored from seed, and it contains two master private keys.'),
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_('Therefore, two-factor authentication is disabled.')
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])
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action = lambda: window.show_message(msg)
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else:
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action = partial(self.settings_dialog, window)
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button = StatusBarButton(QIcon(":icons/trustedcoin-status.png"),
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_("TrustedCoin"), action)
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window.statusBar().addPermanentWidget(button)
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t = Thread(target=self.request_billing_info, args=(wallet,))
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t.setDaemon(True)
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t.start()
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def auth_dialog(self, window):
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d = WindowModalDialog(window, _("Authorization"))
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vbox = QVBoxLayout(d)
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pw = AmountEdit(None, is_int = True)
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msg = _('Please enter your Google Authenticator code')
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vbox.addWidget(QLabel(msg))
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grid = QGridLayout()
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grid.setSpacing(8)
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grid.addWidget(QLabel(_('Code')), 1, 0)
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grid.addWidget(pw, 1, 1)
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vbox.addLayout(grid)
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vbox.addLayout(Buttons(CancelButton(d), OkButton(d)))
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if not d.exec_():
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return
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return pw.get_amount()
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@hook
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def sign_tx(self, window, tx):
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wallet = window.wallet
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if not isinstance(wallet, self.wallet_class):
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return
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if not wallet.can_sign_without_server():
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self.print_error("twofactor:sign_tx")
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auth_code = None
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if wallet.keystores['x3/'].get_tx_derivations(tx):
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auth_code = self.auth_dialog(window)
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else:
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self.print_error("twofactor: xpub3 not needed")
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window.wallet.auth_code = auth_code
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def waiting_dialog(self, window, on_finished=None):
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task = partial(self.request_billing_info, window.wallet)
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return WaitingDialog(window, 'Getting billing information...', task,
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on_finished)
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@hook
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def abort_send(self, window):
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wallet = window.wallet
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if not isinstance(wallet, self.wallet_class):
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return
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if not wallet.can_sign_without_server():
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if wallet.billing_info is None:
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# request billing info before forming the transaction
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waiting_dialog(self, window).wait()
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if wallet.billing_info is None:
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window.show_message('Could not contact server')
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return True
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return False
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def settings_dialog(self, window):
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self.waiting_dialog(window, partial(self.show_settings_dialog, window))
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def show_settings_dialog(self, window, success):
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if not success:
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window.show_message(_('Server not reachable.'))
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return
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wallet = window.wallet
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d = WindowModalDialog(window, _("TrustedCoin Information"))
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d.setMinimumSize(500, 200)
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vbox = QVBoxLayout(d)
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hbox = QHBoxLayout()
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logo = QLabel()
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logo.setPixmap(QPixmap(":icons/trustedcoin-status.png"))
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msg = _('This wallet is protected by TrustedCoin\'s two-factor authentication.') + '<br/>'\
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+ _("For more information, visit") + " <a href=\"https://api.trustedcoin.com/#/electrum-help\">https://api.trustedcoin.com/#/electrum-help</a>"
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label = QLabel(msg)
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label.setOpenExternalLinks(1)
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hbox.addStretch(10)
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hbox.addWidget(logo)
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hbox.addStretch(10)
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hbox.addWidget(label)
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hbox.addStretch(10)
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vbox.addLayout(hbox)
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vbox.addStretch(10)
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msg = _('TrustedCoin charges a fee per co-signed transaction. You may pay on each transaction (an extra output will be added to your transaction), or you may purchase prepaid transaction using this dialog.') + '<br/>'
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label = QLabel(msg)
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label.setWordWrap(1)
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vbox.addWidget(label)
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vbox.addStretch(10)
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grid = QGridLayout()
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vbox.addLayout(grid)
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price_per_tx = wallet.price_per_tx
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v = price_per_tx.get(1)
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grid.addWidget(QLabel(_("Price per transaction (not prepaid):")), 0, 0)
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grid.addWidget(QLabel(window.format_amount(v) + ' ' + window.base_unit()), 0, 1)
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i = 1
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if 10 not in price_per_tx:
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price_per_tx[10] = 10 * price_per_tx.get(1)
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for k, v in sorted(price_per_tx.items()):
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if k == 1:
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continue
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grid.addWidget(QLabel("Price for %d prepaid transactions:"%k), i, 0)
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grid.addWidget(QLabel("%d x "%k + window.format_amount(v/k) + ' ' + window.base_unit()), i, 1)
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b = QPushButton(_("Buy"))
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b.clicked.connect(lambda b, k=k, v=v: self.on_buy(window, k, v, d))
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grid.addWidget(b, i, 2)
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i += 1
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n = wallet.billing_info.get('tx_remaining', 0)
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grid.addWidget(QLabel(_("Your wallet has %d prepaid transactions.")%n), i, 0)
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# tranfer button
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#def on_transfer():
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# server.transfer_credit(self.user_id, recipient, otp, signature_callback)
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# pass
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#b = QPushButton(_("Transfer"))
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#b.clicked.connect(on_transfer)
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#grid.addWidget(b, 1, 2)
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#grid.addWidget(QLabel(_("Next Billing Address:")), i, 0)
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#grid.addWidget(QLabel(self.billing_info['billing_address']), i, 1)
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vbox.addLayout(Buttons(CloseButton(d)))
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d.exec_()
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def on_buy(self, window, k, v, d):
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d.close()
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if window.pluginsdialog:
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window.pluginsdialog.close()
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wallet = window.wallet
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uri = "bitcoin:" + wallet.billing_info['billing_address'] + "?message=TrustedCoin %d Prepaid Transactions&amount="%k + str(Decimal(v)/100000000)
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wallet.is_billing = True
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window.pay_to_URI(uri)
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window.payto_e.setFrozen(True)
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window.message_e.setFrozen(True)
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window.amount_e.setFrozen(True)
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def accept_terms_of_use(self, window):
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vbox = QVBoxLayout()
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vbox.addWidget(QLabel(_("Terms of Service")))
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tos_e = QTextEdit()
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tos_e.setReadOnly(True)
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vbox.addWidget(tos_e)
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vbox.addWidget(QLabel(_("Please enter your e-mail address")))
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email_e = QLineEdit()
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vbox.addWidget(email_e)
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next_button = window.next_button
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prior_button_text = next_button.text()
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next_button.setText(_('Accept'))
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def request_TOS():
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tos = server.get_terms_of_service()
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self.TOS = tos
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window.emit(SIGNAL('twofactor:TOS'))
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def on_result():
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tos_e.setText(self.TOS)
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def set_enabled():
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next_button.setEnabled(re.match(regexp,email_e.text()) is not None)
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window.connect(window, SIGNAL('twofactor:TOS'), on_result)
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t = Thread(target=request_TOS)
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t.setDaemon(True)
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t.start()
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regexp = r"[^@]+@[^@]+\.[^@]+"
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email_e.textChanged.connect(set_enabled)
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email_e.setFocus(True)
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window.set_main_layout(vbox, next_enabled=False)
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next_button.setText(prior_button_text)
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return str(email_e.text())
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def request_otp_dialog(self, window, _id, otp_secret):
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vbox = QVBoxLayout()
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if otp_secret is not None:
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uri = "otpauth://totp/%s?secret=%s"%('trustedcoin.com', otp_secret)
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l = QLabel("Please scan the following QR code in Google Authenticator. You may as well use the following key: %s"%otp_secret)
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l.setWordWrap(True)
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vbox.addWidget(l)
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qrw = QRCodeWidget(uri)
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vbox.addWidget(qrw, 1)
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msg = _('Then, enter your Google Authenticator code:')
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else:
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label = QLabel(
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"This wallet is already registered with Trustedcoin. "
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"To finalize wallet creation, please enter your Google Authenticator Code. "
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)
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label.setWordWrap(1)
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vbox.addWidget(label)
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msg = _('Google Authenticator code:')
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hbox = QHBoxLayout()
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hbox.addWidget(WWLabel(msg))
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pw = AmountEdit(None, is_int = True)
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pw.setFocus(True)
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pw.setMaximumWidth(50)
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hbox.addWidget(pw)
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vbox.addLayout(hbox)
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cb_lost = QCheckBox(_("I have lost my Google Authenticator account"))
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cb_lost.setToolTip(_("Check this box to request a new secret. You will need to retype your seed."))
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vbox.addWidget(cb_lost)
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cb_lost.setVisible(otp_secret is None)
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def set_enabled():
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b = True if cb_lost.isChecked() else len(pw.text()) == 6
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window.next_button.setEnabled(b)
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pw.textChanged.connect(set_enabled)
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cb_lost.toggled.connect(set_enabled)
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window.set_main_layout(vbox, next_enabled=False,
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raise_on_cancel=False)
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return pw.get_amount(), cb_lost.isChecked()
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