199 lines
7.8 KiB
Python
199 lines
7.8 KiB
Python
#!/usr/bin/env python
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#
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# Electrum - lightweight bitcoinprivate client
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# Copyright (C) 2013 ecdsa@github
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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 electrum_bitcoinprivate.i18n import _
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from electrum_bitcoinprivate.mnemonic import Mnemonic
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import electrum_bitcoinprivate.old_mnemonic
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from .util import *
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from .qrtextedit import ShowQRTextEdit, ScanQRTextEdit
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from .completion_text_edit import CompletionTextEdit
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def seed_warning_msg(seed):
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return ''.join([
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"<p>",
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_("Please save these {0} words on paper (order is important). "),
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_("This seed will allow you to recover your wallet in case "
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"of computer failure."),
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"</p>",
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"<b>" + _("WARNING") + ":</b>",
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"<ul>",
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"<li>" + _("Never disclose your seed.") + "</li>",
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"<li>" + _("Never type it on a website.") + "</li>",
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"<li>" + _("Do not store it electronically.") + "</li>",
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"</ul>"
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]).format(len(seed.split()))
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class SeedLayout(QVBoxLayout):
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#options
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is_bip39 = False
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is_ext = False
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def seed_options(self):
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dialog = QDialog()
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vbox = QVBoxLayout(dialog)
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if 'ext' in self.options:
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cb_ext = QCheckBox(_('Extend this seed with custom words'))
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cb_ext.setChecked(self.is_ext)
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vbox.addWidget(cb_ext)
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if 'bip39' in self.options:
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def f(b):
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self.is_seed = (lambda x: bool(x)) if b else self.saved_is_seed
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self.is_bip39 = b
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self.on_edit()
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if b:
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msg = ' '.join([
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'<b>' + _('Warning') + ':</b> ',
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_('BIP39 seeds can be imported in Electrum-bitcoinprivate, so that users can access funds locked in other wallets.'),
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_('However, we do not generate BIP39 seeds, because they do not meet our safety standard.'),
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_('BIP39 seeds do not include a version number, which compromises compatibility with future software.'),
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_('We do not guarantee that BIP39 imports will always be supported in Electrum-bitcoinprivate.'),
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])
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else:
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msg = ''
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self.seed_warning.setText(msg)
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cb_bip39 = QCheckBox(_('BIP39 seed'))
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cb_bip39.toggled.connect(f)
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cb_bip39.setChecked(self.is_bip39)
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vbox.addWidget(cb_bip39)
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vbox.addLayout(Buttons(OkButton(dialog)))
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if not dialog.exec_():
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return None
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self.is_ext = cb_ext.isChecked() if 'ext' in self.options else False
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self.is_bip39 = cb_bip39.isChecked() if 'bip39' in self.options else False
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def __init__(self, seed=None, title=None, icon=True, msg=None, options=None, is_seed=None, passphrase=None, parent=None):
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QVBoxLayout.__init__(self)
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self.parent = parent
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self.options = options
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if title:
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self.addWidget(WWLabel(title))
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self.seed_e = CompletionTextEdit()
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if seed:
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self.seed_e.setText(seed)
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else:
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self.seed_e.setTabChangesFocus(True)
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self.is_seed = is_seed
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self.saved_is_seed = self.is_seed
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self.seed_e.textChanged.connect(self.on_edit)
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self.initialize_completer()
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self.seed_e.setMaximumHeight(75)
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hbox = QHBoxLayout()
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if icon:
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logo = QLabel()
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logo.setPixmap(QPixmap(":icons/seed.png")
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.scaledToWidth(64, Qt.SmoothTransformation))
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logo.setMaximumWidth(60)
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hbox.addWidget(logo)
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hbox.addWidget(self.seed_e)
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self.addLayout(hbox)
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hbox = QHBoxLayout()
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hbox.addStretch(1)
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self.seed_type_label = QLabel('')
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hbox.addWidget(self.seed_type_label)
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if options:
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opt_button = EnterButton(_('Options'), self.seed_options)
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hbox.addWidget(opt_button)
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self.addLayout(hbox)
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if passphrase:
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hbox = QHBoxLayout()
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passphrase_e = QLineEdit()
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passphrase_e.setText(passphrase)
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passphrase_e.setReadOnly(True)
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hbox.addWidget(QLabel(_("Your seed extension is") + ':'))
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hbox.addWidget(passphrase_e)
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self.addLayout(hbox)
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self.addStretch(1)
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self.seed_warning = WWLabel('')
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if msg:
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self.seed_warning.setText(seed_warning_msg(seed))
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self.addWidget(self.seed_warning)
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def initialize_completer(self):
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english_list = Mnemonic('en').wordlist
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old_list = electrum_bitcoinprivate.old_mnemonic.words
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self.wordlist = english_list + list(set(old_list) - set(english_list)) #concat both lists
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self.wordlist.sort()
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self.completer = QCompleter(self.wordlist)
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self.seed_e.set_completer(self.completer)
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def get_seed(self):
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text = self.seed_e.text()
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return ' '.join(text.split())
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def on_edit(self):
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from electrum_bitcoinprivate.bitcoin import seed_type
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s = self.get_seed()
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b = self.is_seed(s)
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if not self.is_bip39:
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t = seed_type(s)
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label = _('Seed Type') + ': ' + t if t else ''
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else:
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from electrum_bitcoinprivate.keystore import bip39_is_checksum_valid
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is_checksum, is_wordlist = bip39_is_checksum_valid(s)
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status = ('checksum: ' + ('ok' if is_checksum else 'failed')) if is_wordlist else 'unknown wordlist'
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label = 'BIP39' + ' (%s)'%status
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self.seed_type_label.setText(label)
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self.parent.next_button.setEnabled(b)
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# to account for bip39 seeds
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for word in self.get_seed().split(" ")[:-1]:
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if word not in self.wordlist:
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self.seed_e.disable_suggestions()
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return
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self.seed_e.enable_suggestions()
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class KeysLayout(QVBoxLayout):
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def __init__(self, parent=None, title=None, is_valid=None, allow_multi=False):
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QVBoxLayout.__init__(self)
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self.parent = parent
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self.is_valid = is_valid
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self.text_e = ScanQRTextEdit(allow_multi=allow_multi)
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self.text_e.textChanged.connect(self.on_edit)
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self.addWidget(WWLabel(title))
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self.addWidget(self.text_e)
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def get_text(self):
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return self.text_e.text()
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def on_edit(self):
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b = self.is_valid(self.get_text())
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self.parent.next_button.setEnabled(b)
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class SeedDialog(WindowModalDialog):
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def __init__(self, parent, seed, passphrase):
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WindowModalDialog.__init__(self, parent, ('Electrum-bitcoinprivate - ' + _('Seed')))
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self.setMinimumWidth(400)
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vbox = QVBoxLayout(self)
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title = _("Your wallet generation seed is:")
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slayout = SeedLayout(title=title, seed=seed, msg=True, passphrase=passphrase)
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vbox.addLayout(slayout)
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vbox.addLayout(Buttons(CloseButton(self)))
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