Trezor: all four available device initializations
Trezor and KeepKey devices can now be initialized by: - device-generated seed - existing seed - BIP39 mnemonic - master private key
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@ -332,6 +332,11 @@ class InstallWizard(WindowModalDialog, WizardBase):
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def query_choice(self, msg, choices):
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vbox = QVBoxLayout()
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self.set_layout(vbox)
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if len(msg) > 50:
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label = QLabel(msg)
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label.setWordWrap(True)
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vbox.addWidget(label)
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msg = ""
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gb2 = QGroupBox(msg)
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vbox.addWidget(gb2)
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@ -402,54 +407,87 @@ class InstallWizard(WindowModalDialog, WizardBase):
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if not self.exec_():
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raise UserCancelled
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def request_trezor_reset_settings(self, device):
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def request_trezor_init_settings(self, method, device):
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vbox = QVBoxLayout()
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main_label = QLabel(_("Choose how to initialize your %s device:")
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% device)
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main_label = QLabel(_("Initialization settings for your %s:") % device)
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vbox.addWidget(main_label)
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msg = _("Select your seed length and strength:")
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choices = [
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_("12 words (low)"),
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_("18 words (medium)"),
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_("24 words (high)"),
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]
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gb = QGroupBox(msg)
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vbox1 = QVBoxLayout()
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gb.setLayout(vbox1)
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bg = QButtonGroup()
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for i, choice in enumerate(choices):
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rb = QRadioButton(gb)
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rb.setText(choice)
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bg.addButton(rb)
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bg.setId(rb, i)
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vbox1.addWidget(rb)
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rb.setChecked(True)
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vbox.addWidget(gb)
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OK_button = OkButton(self, _('Next'))
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if method in [self.TIM_NEW, self.TIM_RECOVER]:
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gb = QGroupBox()
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vbox1 = QVBoxLayout()
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gb.setLayout(vbox1)
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vbox.addWidget(gb)
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gb.setTitle(_("Select your seed length:"))
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choices = [
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_("12 words"),
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_("18 words"),
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_("24 words"),
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]
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bg = QButtonGroup()
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for i, choice in enumerate(choices):
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rb = QRadioButton(gb)
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rb.setText(choice)
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bg.addButton(rb)
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bg.setId(rb, i)
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vbox1.addWidget(rb)
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rb.setChecked(True)
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cb_pin = QCheckBox(_('Enable PIN protection'))
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cb_pin.setChecked(True)
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else:
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text = QTextEdit()
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text.setMaximumHeight(60)
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vbox.addWidget(text)
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if method == self.TIM_MNEMONIC:
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msg = _("Enter your BIP39 mnemonic:")
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else:
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msg = _("Enter the master private key beginning with xprv:")
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def set_enabled():
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OK_button.setEnabled(Wallet.is_xprv(
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self.get_seed_text(text)))
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text.textChanged.connect(set_enabled)
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OK_button.setEnabled(False)
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vbox.addWidget(QLabel(msg))
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pin = QLineEdit()
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pin.setValidator(QRegExpValidator(QRegExp('[1-9]{0,10}')))
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pin.setMaximumWidth(100)
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hbox_pin = QHBoxLayout()
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hbox_pin.addWidget(QLabel(_("Enter your PIN (digits 1-9):")))
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hbox_pin.addWidget(pin)
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hbox_pin.addStretch(1)
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label = QLabel(_("Enter a label to name your device:"))
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name = QLineEdit()
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hl = QHBoxLayout()
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hl.addWidget(label)
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hl.addWidget(name)
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hl.addStretch(2)
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hl.addStretch(1)
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vbox.addLayout(hl)
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cb_pin = QCheckBox(_('Enable PIN protection'))
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cb_pin.setChecked(True)
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vbox.addWidget(cb_pin)
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if method in [self.TIM_NEW, self.TIM_RECOVER]:
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vbox.addWidget(cb_pin)
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else:
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vbox.addLayout(hbox_pin)
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cb_phrase = QCheckBox(_('Enable Passphrase protection'))
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cb_phrase.setChecked(False)
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vbox.addWidget(cb_phrase)
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vbox.addStretch(1)
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vbox.addLayout(Buttons(CancelButton(self), OkButton(self, _('Next'))))
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vbox.addLayout(Buttons(CancelButton(self), OK_button))
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self.set_layout(vbox)
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if not self.exec_():
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raise UserCancelled
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return (bg.checkedId(), unicode(name.text()),
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cb_pin.isChecked(), cb_phrase.isChecked())
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if method in [self.TIM_NEW, self.TIM_RECOVER]:
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item = bg.checkedId()
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pin = cb_pin.isChecked()
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else:
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item = ' '.join(str(self.get_seed_text(text)).split())
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pin = str(pin.text())
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return (item, unicode(name.text()), pin, cb_phrase.isChecked())
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@ -48,7 +48,7 @@ class WizardBase(PrintError):
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('multisig', _("Multi-signature wallet")),
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('hardware', _("Hardware wallet")),
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]
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TIM_NEW, TIM_RECOVER, TIM_MNEMONIC, TIM_PRIVKEY = range(0, 4)
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# Derived classes must set:
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# self.language_for_seed
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@ -103,14 +103,21 @@ class WizardBase(PrintError):
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dynamic feedback. If not provided, Wallet.is_any is used."""
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raise NotImplementedError
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def request_trezor_reset_settings(self, device):
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"""Ask the user how they want to initialize a trezor compatible
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device. device is the device kind, e.g. "Keepkey", to be used
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in dialog messages. Returns a 4-tuple: (strength, label,
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pinprotection, passphraseprotection). Strength is 0, 1 or 2
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for a 12, 18 or 24 word seed, respectively. Label is a name
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to give the device. PIN protection and passphrase protection
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are booleans and should default to True and False respectively."""
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def request_trezor_init_settings(self, method, device):
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"""Ask the user for the information needed to initialize a trezor-
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compatible device. Method is one of the TIM_ trezor init
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method constants. TIM_NEW and TIM_RECOVER should ask how many
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seed words to use, and return 0, 1 or 2 for a 12, 18 or 24
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word seed respectively. TIM_MNEMONIC should ask for a
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mnemonic. TIM_PRIVKEY should ask for a master private key.
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All four methods should additionally ask for a name to label
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the device, PIN information and whether passphrase protection is
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to be enabled (True/False, default to False). For TIM_NEW and
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TIM_RECOVER, the pin information is whether pin protection
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is required (True/False, default to True); for TIM_MNEMONIC and
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TIM_PRIVKEY is is the pin as a string of digits 1-9.
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The result is a 4-tuple: (TIM specific data, label, pininfo,
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passphraseprotection)."""
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raise NotImplementedError
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def request_many(self, n, xpub_hot=None):
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@ -53,10 +53,10 @@ class GuiMixin(object):
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return self.proto.PassphraseAck(passphrase=passphrase)
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def callback_WordRequest(self, msg):
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# TODO
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stderr.write("Enter one word of mnemonic:\n")
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stderr.flush()
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word = raw_input()
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msg = _("Enter seed word as explained on your %s") % self.device
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word = self.handler().get_word(msg)
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if word is None:
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return self.proto.Cancel()
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return self.proto.WordAck(word=word)
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@ -184,8 +184,9 @@ def trezor_client_class(protocol_mixin, base_client, proto):
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cls = TrezorClient
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for method in ['apply_settings', 'change_pin', 'get_address',
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'get_public_node', 'reset_device', 'sign_message',
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'sign_tx', 'wipe_device']:
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'get_public_node', 'load_device_by_mnemonic',
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'load_device_by_xprv', 'recovery_device',
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'reset_device', 'sign_message', 'sign_tx', 'wipe_device']:
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setattr(cls, method, wrapper(getattr(cls, method)))
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return cls
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@ -14,6 +14,7 @@ from electrum.transaction import (deserialize, is_extended_pubkey,
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from electrum.wallet import BIP32_HD_Wallet, BIP44_Wallet
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from electrum.util import ThreadJob
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from electrum.plugins import DeviceMgr
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from electrum.wizard import WizardBase
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class DeviceDisconnectedError(Exception):
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pass
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@ -251,16 +252,47 @@ class TrezorCompatiblePlugin(BasePlugin, ThreadJob):
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# Prevent timeouts during initialization
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wallet.last_operation = self.prevent_timeout
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(strength, label, pin_protection, passphrase_protection) \
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= wizard.request_trezor_reset_settings(self.device)
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# Initialization method
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msg = _("Please select how you want to initialize your %s.\n"
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"The first two are secure as no secret information is entered "
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"onto your computer.\nFor the last two methods you enter "
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"secrets into your computer and upload them to the device, "
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"and so should only be done on a computer you know to be "
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"trustworthy and free of malware."
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) % self.device
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assert strength in range(0, 3)
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strength = 64 * (strength + 2) # 128, 192 or 256
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language = ''
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methods = [
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_("Let the device generate a completely new seed randomly"),
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_("Recover from an existing %s seed you have previously written "
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"down" % self.device),
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_("Upload a BIP39 mnemonic to generate the seed"),
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_("Upload a master private key")
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]
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method = wizard.query_choice(msg, methods)
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(item, label, pin_protection, passphrase_protection) \
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= wizard.request_trezor_init_settings(method, self.device)
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client = self.get_client(wallet)
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client.reset_device(True, strength, passphrase_protection,
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pin_protection, label, language)
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language = 'english'
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if method == WizardBase.TIM_NEW:
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strength = 64 * (item + 2) # 128, 192 or 256
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client.reset_device(True, strength, passphrase_protection,
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pin_protection, label, language)
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elif method == WizardBase.TIM_RECOVER:
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word_count = 6 * (item + 2) # 12, 18 or 24
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client.recovery_device(word_count, passphrase_protection,
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pin_protection, label, language)
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elif method == WizardBase.TIM_MNEMONIC:
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pin = pin_protection # It's the pin, not a boolean
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client.load_device_by_mnemonic(str(item), pin,
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passphrase_protection,
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label, language)
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else:
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pin = pin_protection # It's the pin, not a boolean
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client.load_device_by_xprv(item, pin, passphrase_protection,
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label, language)
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def select_device(self, wallet, wizard):
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'''Called when creating a new wallet. Select the device to use. If
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@ -268,9 +300,12 @@ class TrezorCompatiblePlugin(BasePlugin, ThreadJob):
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process.'''
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self.device_manager().scan_devices()
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clients = self.device_manager().clients_of_type(self.client_class)
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suffixes = [_("An unnamed device (wiped)"), _(" (initialized)")]
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labels = [client.label() + suffixes[client.is_initialized()]
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for client in clients]
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suffixes = [_(" (wiped)"), _(" (initialized)")]
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def client_desc(client):
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label = client.label() or _("An unnamed device")
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return label + suffixes[client.is_initialized()]
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labels = list(map(client_desc, clients))
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msg = _("Please select which %s device to use:") % self.device
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client = clients[wizard.query_choice(msg, labels)]
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self.device_manager().pair_wallet(wallet, client)
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@ -28,6 +28,7 @@ class QtHandler(PrintError):
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win.connect(win, SIGNAL('message_dialog'), self.message_dialog)
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win.connect(win, SIGNAL('pin_dialog'), self.pin_dialog)
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win.connect(win, SIGNAL('passphrase_dialog'), self.passphrase_dialog)
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win.connect(win, SIGNAL('word_dialog'), self.word_dialog)
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self.window_stack = [win]
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self.win = win
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self.pin_matrix_widget_class = pin_matrix_widget_class
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@ -53,6 +54,12 @@ class QtHandler(PrintError):
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self.done.wait()
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return self.response
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def get_word(self, msg):
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self.done.clear()
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self.win.emit(SIGNAL('word_dialog'), msg)
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self.done.wait()
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return self.word
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def get_passphrase(self, msg):
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self.done.clear()
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self.win.emit(SIGNAL('passphrase_dialog'), msg)
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@ -82,6 +89,20 @@ class QtHandler(PrintError):
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self.passphrase = passphrase
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self.done.set()
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def word_dialog(self, msg):
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dialog = WindowModalDialog(self.window_stack[-1], "")
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hbox = QHBoxLayout(dialog)
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hbox.addWidget(QLabel(msg))
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text = QLineEdit()
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text.setMaximumWidth(100)
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text.returnPressed.connect(dialog.accept)
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hbox.addWidget(text)
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hbox.addStretch(1)
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if not self.exec_dialog(dialog):
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return None
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self.word = unicode(text.text())
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self.done.set()
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def message_dialog(self, msg, cancel_callback):
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# Called more than once during signing, to confirm output and fee
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self.clear_dialog()
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@ -108,7 +129,7 @@ class QtHandler(PrintError):
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def exec_dialog(self, dialog):
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self.window_stack.append(dialog)
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try:
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dialog.exec_()
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return dialog.exec_()
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finally:
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assert dialog == self.window_stack.pop()
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