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393 lines
15 KiB
393 lines
15 KiB
import sys
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from PyQt4.QtGui import *
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from PyQt4.QtCore import *
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import PyQt4.QtCore as QtCore
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import electrum
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from electrum.i18n import _
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from seed_dialog import SeedDisplayLayout, SeedWarningLayout, SeedInputLayout
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from network_dialog import NetworkChoiceLayout
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from util import *
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from password_dialog import PasswordLayout, PW_NEW, PW_PASSPHRASE
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from electrum.wallet import Wallet
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from electrum.mnemonic import prepare_seed
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from electrum.util import UserCancelled
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from electrum.wizard import (WizardBase,
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MSG_ENTER_PASSWORD, MSG_RESTORE_PASSPHRASE,
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MSG_COSIGNER, MSG_ENTER_SEED_OR_MPK,
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MSG_SHOW_MPK, MSG_VERIFY_SEED,
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MSG_GENERATING_WAIT)
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def clean_text(seed_e):
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text = unicode(seed_e.toPlainText()).strip()
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text = ' '.join(text.split())
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return text
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class CosignWidget(QWidget):
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size = 120
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def __init__(self, m, n):
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QWidget.__init__(self)
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self.R = QRect(0, 0, self.size, self.size)
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self.setGeometry(self.R)
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self.setMinimumHeight(self.size)
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self.setMaximumHeight(self.size)
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self.m = m
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self.n = n
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def set_n(self, n):
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self.n = n
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self.update()
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def set_m(self, m):
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self.m = m
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self.update()
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def paintEvent(self, event):
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import math
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bgcolor = self.palette().color(QPalette.Background)
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pen = QPen(bgcolor, 7, QtCore.Qt.SolidLine)
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qp = QPainter()
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qp.begin(self)
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qp.setPen(pen)
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qp.setRenderHint(QPainter.Antialiasing)
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qp.setBrush(Qt.gray)
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for i in range(self.n):
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alpha = int(16* 360 * i/self.n)
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alpha2 = int(16* 360 * 1/self.n)
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qp.setBrush(Qt.green if i<self.m else Qt.gray)
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qp.drawPie(self.R, alpha, alpha2)
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qp.end()
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# WindowModalDialog must come first as it overrides show_error
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class InstallWizard(QDialog, MessageBoxMixin, WizardBase):
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def __init__(self, config, app, plugins):
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QDialog.__init__(self, None)
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self.setWindowTitle('Electrum - ' + _('Install Wizard'))
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self.app = app
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self.config = config
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# Set for base base class
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self.plugins = plugins
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self.language_for_seed = config.get('language')
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self.setMinimumSize(530, 370)
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self.setMaximumSize(530, 370)
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self.connect(self, QtCore.SIGNAL('accept'), self.accept)
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self.title = WWLabel()
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self.main_widget = QWidget()
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self.cancel_button = QPushButton(_("Cancel"), self)
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self.next_button = QPushButton(_("Next"), self)
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self.next_button.setDefault(True)
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self.logo = QLabel()
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self.please_wait = QLabel(_("Please wait..."))
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self.please_wait.setAlignment(Qt.AlignCenter)
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self.icon_filename = None
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self.loop = QEventLoop()
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self.rejected.connect(lambda: self.loop.exit(False))
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self.cancel_button.clicked.connect(lambda: self.loop.exit(False))
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self.next_button.clicked.connect(lambda: self.loop.exit(True))
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outer_vbox = QVBoxLayout(self)
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inner_vbox = QVBoxLayout()
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inner_vbox = QVBoxLayout()
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inner_vbox.addWidget(self.title)
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inner_vbox.addWidget(self.main_widget)
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inner_vbox.addStretch(1)
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inner_vbox.addWidget(self.please_wait)
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inner_vbox.addStretch(1)
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icon_vbox = QVBoxLayout()
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icon_vbox.addWidget(self.logo)
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icon_vbox.addStretch(1)
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hbox = QHBoxLayout()
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hbox.addLayout(icon_vbox)
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hbox.addSpacing(5)
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hbox.addLayout(inner_vbox)
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hbox.setStretchFactor(inner_vbox, 1)
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outer_vbox.addLayout(hbox)
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outer_vbox.addLayout(Buttons(self.cancel_button, self.next_button))
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self.set_icon(':icons/electrum.png')
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self.show()
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self.raise_()
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self.refresh_gui() # Need for QT on MacOSX. Lame.
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def finished(self):
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'''Ensure the dialog is closed.'''
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self.accept()
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self.refresh_gui()
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def on_error(self, exc_info):
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if not isinstance(exc_info[1], UserCancelled):
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traceback.print_exception(*exc_info)
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self.show_error(str(exc_info[1]))
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def set_icon(self, filename):
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prior_filename, self.icon_filename = self.icon_filename, filename
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self.logo.setPixmap(QPixmap(filename).scaledToWidth(60))
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return prior_filename
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def set_main_layout(self, layout, title=None, raise_on_cancel=True,
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next_enabled=True):
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self.title.setText(title or "")
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self.title.setVisible(bool(title))
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# Get rid of any prior layout by assigning it to a temporary widget
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prior_layout = self.main_widget.layout()
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if prior_layout:
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QWidget().setLayout(prior_layout)
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self.main_widget.setLayout(layout)
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self.cancel_button.setEnabled(True)
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self.next_button.setEnabled(next_enabled)
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self.main_widget.setVisible(True)
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self.please_wait.setVisible(False)
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result = self.loop.exec_()
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if not result and raise_on_cancel:
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raise UserCancelled
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self.title.setVisible(False)
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self.cancel_button.setEnabled(False)
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self.next_button.setEnabled(False)
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self.main_widget.setVisible(False)
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self.please_wait.setVisible(True)
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self.refresh_gui()
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return result
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def refresh_gui(self):
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# For some reason, to refresh the GUI this needs to be called twice
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self.app.processEvents()
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self.app.processEvents()
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def run(self, *args):
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'''Wrap the base wizard implementation with try/except blocks
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to give a sensible error message to the user.'''
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wallet = None
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try:
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wallet = WizardBase.run(self, *args)
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except UserCancelled:
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self.print_error("wallet creation cancelled by user")
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self.accept() # For when called from menu
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except BaseException as e:
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self.on_error(sys.exc_info())
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raise
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return wallet
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def remove_from_recently_open(self, filename):
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self.config.remove_from_recently_open(filename)
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def request_seed(self, title, is_valid=None):
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is_valid = is_valid or Wallet.is_any
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slayout = SeedInputLayout()
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def sanitized_seed():
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return clean_text(slayout.seed_edit())
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def set_enabled():
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self.next_button.setEnabled(is_valid(sanitized_seed()))
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slayout.seed_edit().textChanged.connect(set_enabled)
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self.set_main_layout(slayout.layout(), title, next_enabled=False)
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return sanitized_seed()
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def show_seed(self, seed):
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slayout = SeedWarningLayout(seed)
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self.set_main_layout(slayout.layout())
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def verify_seed(self, seed, is_valid=None):
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while True:
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r = self.request_seed(MSG_VERIFY_SEED, is_valid)
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if prepare_seed(r) == prepare_seed(seed):
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return
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self.show_error(_('Incorrect seed'))
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def show_and_verify_seed(self, seed, is_valid=None):
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"""Show the user their seed. Ask them to re-enter it. Return
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True on success."""
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self.show_seed(seed)
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self.app.clipboard().clear()
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self.verify_seed(seed, is_valid)
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def pw_layout(self, msg, kind):
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playout = PasswordLayout(None, msg, kind, self.next_button)
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self.set_main_layout(playout.layout())
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return playout.new_password()
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def request_passphrase(self, device_text, restore=True):
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"""Request a passphrase for a wallet from the given device and
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confirm it. restore is True if restoring a wallet. Should return
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a unicode string."""
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if restore:
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msg = MSG_RESTORE_PASSPHRASE % device_text
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return unicode(self.pw_layout(msg, PW_PASSPHRASE) or '')
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def request_password(self, msg=None):
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"""Request the user enter a new password and confirm it. Return
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the password or None for no password."""
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return self.pw_layout(msg or MSG_ENTER_PASSWORD, PW_NEW)
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def show_restore(self, wallet, network):
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# FIXME: these messages are shown after the install wizard is
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# finished and the window closed. On MacOSX they appear parented
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# with a re-appeared ghost install wizard window...
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if network:
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def task():
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wallet.wait_until_synchronized()
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if wallet.is_found():
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msg = _("Recovery successful")
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else:
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msg = _("No transactions found for this seed")
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self.emit(QtCore.SIGNAL('synchronized'), msg)
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self.connect(self, QtCore.SIGNAL('synchronized'), self.show_message)
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t = threading.Thread(target = task)
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t.start()
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else:
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msg = _("This wallet was restored offline. It may "
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"contain more addresses than displayed.")
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self.show_message(msg)
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def create_addresses(self, wallet):
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def task():
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wallet.synchronize()
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self.emit(QtCore.SIGNAL('accept'))
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t = threading.Thread(target = task)
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t.start()
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self.please_wait.setText(MSG_GENERATING_WAIT)
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self.refresh_gui()
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def query_create_or_restore(self, wallet_kinds):
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"""Ask the user what they want to do, and which wallet kind.
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wallet_kinds is an array of translated wallet descriptions.
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Return a a tuple (action, kind_index). Action is 'create' or
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'restore', and kind the index of the wallet kind chosen."""
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actions = [_("Create a new wallet"),
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_("Restore a wallet or import keys")]
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title = _("Electrum could not find an existing wallet.")
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actions_clayout = ChoicesLayout(_("What do you want to do?"), actions)
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wallet_clayout = ChoicesLayout(_("Wallet kind:"), wallet_kinds)
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vbox = QVBoxLayout()
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vbox.addLayout(actions_clayout.layout())
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vbox.addLayout(wallet_clayout.layout())
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self.set_main_layout(vbox, title)
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action = ['create', 'restore'][actions_clayout.selected_index()]
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return action, wallet_clayout.selected_index()
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def query_hw_wallet_choice(self, msg, action, choices):
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actions = [_("Initialize a new or wiped device"),
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_("Use a device you have already set up"),
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_("Restore Electrum wallet from device seed words")]
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default_action = 1 if action == 'create' else 2
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actions_clayout = ChoicesLayout(_("What do you want to do?"), actions,
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checked_index=default_action)
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wallet_clayout = ChoicesLayout(msg, choices)
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vbox = QVBoxLayout()
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vbox.addLayout(actions_clayout.layout())
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vbox.addLayout(wallet_clayout.layout())
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self.set_main_layout(vbox)
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self.next_button.setEnabled(len(choices) != 0)
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if actions_clayout.selected_index() == 2:
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action = 'restore'
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else:
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action = 'create'
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return action, wallet_clayout.selected_index()
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def request_many(self, n, xpub_hot=None):
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vbox = QVBoxLayout()
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scroll = QScrollArea()
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scroll.setWidgetResizable(True)
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scroll.setFrameShape(QFrame.NoFrame)
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vbox.addWidget(scroll)
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w = QWidget()
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innerVbox = QVBoxLayout(w)
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scroll.setWidget(w)
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entries = []
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if xpub_hot:
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layout = SeedDisplayLayout(xpub_hot, title=MSG_SHOW_MPK, sid='hot')
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else:
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layout = SeedInputLayout(title=MSG_ENTER_SEED_OR_MPK, sid='hot')
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entries.append(layout.seed_edit())
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innerVbox.addLayout(layout.layout())
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for i in range(n):
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msg = MSG_COSIGNER % (i + 1) if xpub_hot else MSG_ENTER_SEED_OR_MPK
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layout = SeedInputLayout(title=msg, sid='cold')
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innerVbox.addLayout(layout.layout())
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entries.append(layout.seed_edit())
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def get_texts():
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return [clean_text(entry) for entry in entries]
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def set_enabled():
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texts = get_texts()
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is_valid = Wallet.is_xpub if xpub_hot else Wallet.is_any
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all_valid = all(is_valid(text) for text in texts)
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if xpub_hot:
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texts.append(xpub_hot)
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has_dups = len(set(texts)) < len(texts)
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self.next_button.setEnabled(all_valid and not has_dups)
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for e in entries:
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e.textChanged.connect(set_enabled)
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self.set_main_layout(vbox, next_enabled=False)
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return get_texts()
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def choose_server(self, network):
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title = _("Electrum communicates with remote servers to get "
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"information about your transactions and addresses. The "
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"servers all fulfil the same purpose only differing in "
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"hardware. In most cases you simply want to let Electrum "
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"pick one at random. However if you prefer feel free to "
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"select a server manually.")
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choices = [_("Auto connect"), _("Select server manually")]
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choices_title = _("How do you want to connect to a server? ")
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clayout = ChoicesLayout(choices_title, choices)
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self.set_main_layout(clayout.layout(), title)
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auto_connect = True
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if clayout.selected_index() == 1:
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nlayout = NetworkChoiceLayout(network, self.config, wizard=True)
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if self.set_main_layout(nlayout.layout(), raise_on_cancel=False):
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nlayout.accept()
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auto_connect = False
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self.config.set_key('auto_connect', auto_connect, True)
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network.auto_connect = auto_connect
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def query_choice(self, msg, choices):
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clayout = ChoicesLayout(msg, choices)
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self.set_main_layout(clayout.layout(), next_enabled=bool(choices))
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return clayout.selected_index()
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def query_multisig(self, action):
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cw = CosignWidget(2, 2)
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m_edit = QSpinBox()
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n_edit = QSpinBox()
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m_edit.setValue(2)
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n_edit.setValue(2)
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n_edit.setMinimum(2)
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n_edit.setMaximum(15)
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m_edit.setMinimum(1)
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m_edit.setMaximum(2)
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n_edit.valueChanged.connect(m_edit.setMaximum)
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n_edit.valueChanged.connect(cw.set_n)
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m_edit.valueChanged.connect(cw.set_m)
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hbox = QHBoxLayout()
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hbox.addWidget(QLabel(_('Require')))
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hbox.addWidget(m_edit)
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hbox.addWidget(QLabel(_('of')))
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hbox.addWidget(n_edit)
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hbox.addWidget(QLabel(_('signatures')))
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hbox.addStretch(1)
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vbox = QVBoxLayout()
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vbox.addWidget(cw)
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vbox.addWidget(WWLabel(_("Choose the number of signatures needed "
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"to unlock funds in your wallet:")))
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vbox.addLayout(hbox)
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self.set_main_layout(vbox, _("Multi-Signature Wallet"))
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m = int(m_edit.value())
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n = int(n_edit.value())
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wallet_type = '%dof%d'%(m,n)
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return wallet_type
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