electrum-bitcoinprivate/gui/qt/seed_dialog.py

108 lines
3.7 KiB
Python

#!/usr/bin/env python
#
# Electrum - lightweight Bitcoin client
# Copyright (C) 2013 ecdsa@github
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
from PyQt4.QtGui import *
from PyQt4.QtCore import *
from electrum.i18n import _
from util import *
from qrtextedit import ShowQRTextEdit, ScanQRTextEdit
def icon_filename(sid):
if sid == 'cold':
return ":icons/cold_seed.png"
elif sid == 'hot':
return ":icons/hot_seed.png"
else:
return ":icons/seed.png"
class SeedDialog(WindowModalDialog):
def __init__(self, parent, seed, imported_keys):
WindowModalDialog.__init__(self, parent, ('Electrum - ' + _('Seed')))
self.setMinimumWidth(400)
vbox = QVBoxLayout(self)
vbox.addLayout(SeedWarningLayout(seed).layout())
if imported_keys:
warning = ("<b>" + _("WARNING") + ":</b> " +
_("Your wallet contains imported keys. These keys "
"cannot be recovered from your seed.") + "</b><p>")
vbox.addWidget(WWLabel(warning))
vbox.addLayout(Buttons(CloseButton(self)))
class SeedLayoutBase(object):
def _seed_layout(self, seed=None, title=None, sid=None):
logo = QLabel()
logo.setPixmap(QPixmap(icon_filename(sid)).scaledToWidth(56))
logo.setMaximumWidth(60)
if seed:
self.seed_e = ShowQRTextEdit()
self.seed_e.setText(seed)
else:
self.seed_e = ScanQRTextEdit()
self.seed_e.setTabChangesFocus(True)
self.seed_e.setMaximumHeight(75)
hbox = QHBoxLayout()
hbox.addWidget(logo)
hbox.addWidget(self.seed_e)
if not title:
return hbox
vbox = QVBoxLayout()
vbox.addWidget(WWLabel(title))
vbox.addLayout(hbox)
return vbox
def layout(self):
return self.layout_
def seed_edit(self):
return self.seed_e
class SeedInputLayout(SeedLayoutBase):
def __init__(self, title=None, sid=None):
self.layout_ = self._seed_layout(title=title, sid=sid)
class SeedDisplayLayout(SeedLayoutBase):
def __init__(self, seed, title=None, sid=None):
self.layout_ = self._seed_layout(seed=seed, title=title, sid=sid)
class SeedWarningLayout(SeedLayoutBase):
def __init__(self, seed, title=None):
if title is None:
title = _("Your wallet generation seed is:")
msg = ''.join([
"<p>",
_("Please save these %d words on paper (order is important). "),
_("This seed will allow you to recover your wallet in case "
"of computer failure."),
"</p>",
"<b>" + _("WARNING") + ":</b> ",
"<ul>",
"<li>" + _("Never disclose your seed.") + "</li>",
"<li>" + _("Never type it on a website.") + "</li>",
"<li>" + _("Do not send your seed to a printer.") + "</li>",
"</ul>"
]) % len(seed.split())
vbox = QVBoxLayout()
vbox.addLayout(self._seed_layout(seed=seed, title=title))
vbox.addWidget(WWLabel(msg))
self.layout_ = vbox