2014-08-17 04:41:42 -07:00
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from PyQt4.Qt import QMessageBox, QDialog, QVBoxLayout, QLabel, QThread, SIGNAL, QGridLayout, QInputDialog, QPushButton
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2014-08-03 14:37:26 -07:00
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import PyQt4.QtCore as QtCore
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2014-07-10 12:44:28 -07:00
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from binascii import unhexlify
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from struct import pack
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from sys import stderr
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2014-08-02 20:18:02 -07:00
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from time import sleep
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2014-08-03 16:10:20 -07:00
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from base64 import b64encode, b64decode
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2014-07-10 12:44:28 -07:00
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2014-08-31 06:33:20 -07:00
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import electrum
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2014-08-02 11:52:28 -07:00
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from electrum.account import BIP32_Account
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2014-08-18 15:41:10 -07:00
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from electrum.bitcoin import EncodeBase58Check, public_key_to_bc_address, bc_address_to_hash_160
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2014-08-02 11:52:28 -07:00
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from electrum.i18n import _
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2014-08-31 02:42:40 -07:00
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from electrum.plugins import BasePlugin, hook
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2014-08-02 11:52:28 -07:00
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from electrum.transaction import deserialize
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from electrum.wallet import NewWallet
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2014-09-10 01:16:07 -07:00
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from electrum.util import print_error
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2014-07-10 12:44:28 -07:00
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2014-09-10 01:16:07 -07:00
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from electrum_gui.qt.password_dialog import make_password_dialog, run_password_dialog
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from electrum_gui.qt.util import ok_cancel_buttons, EnterButton
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2014-07-10 12:44:28 -07:00
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try:
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from trezorlib.client import types
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from trezorlib.client import proto, BaseClient, ProtocolMixin
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2014-07-18 06:40:31 -07:00
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from trezorlib.qt.pinmatrix import PinMatrixWidget
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2014-07-10 12:44:28 -07:00
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from trezorlib.transport import ConnectionError
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2014-07-21 10:41:43 -07:00
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from trezorlib.transport_hid import HidTransport
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2014-07-10 12:44:28 -07:00
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TREZOR = True
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2014-07-18 06:40:31 -07:00
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except ImportError:
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TREZOR = False
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2014-07-10 12:44:28 -07:00
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def log(msg):
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stderr.write("%s\n" % msg)
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stderr.flush()
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2014-08-22 04:24:29 -07:00
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def give_error(message):
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2014-09-10 01:16:07 -07:00
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print_error(message)
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2014-08-22 04:24:29 -07:00
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raise Exception(message)
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2014-07-10 12:44:28 -07:00
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class Plugin(BasePlugin):
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2014-08-31 06:33:20 -07:00
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def fullname(self):
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return 'Trezor Wallet'
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2014-07-10 12:44:28 -07:00
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2014-08-31 06:33:20 -07:00
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def description(self):
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return 'Provides support for Trezor hardware wallet\n\nRequires github.com/trezor/python-trezor'
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2014-07-10 12:44:28 -07:00
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2014-08-31 06:33:20 -07:00
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def __init__(self, config, name):
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BasePlugin.__init__(self, config, name)
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2014-07-10 12:44:28 -07:00
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self._is_available = self._init()
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2014-08-17 04:41:42 -07:00
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self._requires_settings = True
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2014-07-11 14:28:26 -07:00
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self.wallet = None
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2014-09-05 07:28:53 -07:00
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electrum.wallet.wallet_types.append(('hardware', 'trezor', _("Trezor wallet"), TrezorWallet))
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2014-07-10 12:44:28 -07:00
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def _init(self):
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return TREZOR
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def is_available(self):
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2014-08-22 02:09:23 -07:00
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if self.wallet is None:
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return self._is_available
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if self.wallet.storage.get('wallet_type') == 'trezor':
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return True
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return False
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2014-07-10 12:44:28 -07:00
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2014-08-17 04:41:42 -07:00
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def requires_settings(self):
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return self._requires_settings
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2014-07-11 14:28:26 -07:00
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def set_enabled(self, enabled):
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self.wallet.storage.put('use_' + self.name, enabled)
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def is_enabled(self):
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if not self.is_available():
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return False
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2014-07-12 10:19:04 -07:00
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if not self.wallet or self.wallet.storage.get('wallet_type') == 'trezor':
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2014-07-11 14:28:26 -07:00
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return True
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return self.wallet.storage.get('use_' + self.name) is True
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2014-07-10 12:44:28 -07:00
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def enable(self):
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return BasePlugin.enable(self)
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2014-08-31 02:42:40 -07:00
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@hook
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2014-07-11 14:28:26 -07:00
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def load_wallet(self, wallet):
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self.wallet = wallet
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2014-08-31 02:42:40 -07:00
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@hook
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2014-07-11 12:53:28 -07:00
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def installwizard_restore(self, wizard, storage):
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2014-08-26 08:58:17 -07:00
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if storage.get('wallet_type') != 'trezor':
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return
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2014-07-11 12:53:28 -07:00
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wallet = TrezorWallet(storage)
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2014-08-19 02:03:24 -07:00
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try:
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2014-08-20 12:01:30 -07:00
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wallet.create_main_account(None)
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2014-08-19 02:03:24 -07:00
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except BaseException as e:
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QMessageBox.information(None, _('Error'), str(e), _('OK'))
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return
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2014-07-11 12:53:28 -07:00
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return wallet
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2014-08-31 02:42:40 -07:00
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@hook
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2014-07-27 04:57:23 -07:00
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def send_tx(self, tx):
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2014-07-10 12:44:28 -07:00
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try:
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2014-07-27 04:57:23 -07:00
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self.wallet.sign_transaction(tx, None, None)
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2014-07-10 12:44:28 -07:00
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except Exception as e:
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tx.error = str(e)
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2014-08-17 04:41:42 -07:00
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def settings_widget(self, window):
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return EnterButton(_('Settings'), self.settings_dialog)
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def settings_dialog(self):
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get_label = lambda: self.wallet.get_client().features.label
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update_label = lambda: current_label_label.setText("Label: %s" % get_label())
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d = QDialog()
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layout = QGridLayout(d)
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layout.addWidget(QLabel("Trezor Options"),0,0)
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layout.addWidget(QLabel("ID:"),1,0)
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layout.addWidget(QLabel(" %s" % self.wallet.get_client().get_device_id()),1,1)
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def modify_label():
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response = QInputDialog().getText(None, "Set New Trezor Label", "New Trezor Label: (upon submission confirm on Trezor)")
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if not response[1]:
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return
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new_label = str(response[0])
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twd.start("Please confirm label change on Trezor")
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status = self.wallet.get_client().apply_settings(label=new_label)
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twd.stop()
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update_label()
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current_label_label = QLabel()
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update_label()
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change_label_button = QPushButton("Modify")
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change_label_button.clicked.connect(modify_label)
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layout.addWidget(current_label_label,3,0)
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layout.addWidget(change_label_button,3,1)
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if d.exec_():
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2014-09-10 14:12:28 -07:00
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return True
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2014-08-17 04:41:42 -07:00
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else:
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2014-09-10 14:12:28 -07:00
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return False
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2014-08-17 04:41:42 -07:00
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2014-07-10 12:44:28 -07:00
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class TrezorWallet(NewWallet):
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2014-08-20 12:01:30 -07:00
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wallet_type = 'trezor'
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2014-07-10 12:44:28 -07:00
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def __init__(self, storage):
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2014-08-20 12:01:30 -07:00
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NewWallet.__init__(self, storage)
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2014-07-10 12:44:28 -07:00
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self.transport = None
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self.client = None
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2014-07-18 06:47:09 -07:00
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self.mpk = None
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2014-07-10 12:44:28 -07:00
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self.device_checked = False
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def get_action(self):
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if not self.accounts:
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return 'create_accounts'
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2014-09-09 05:22:06 -07:00
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def can_import(self):
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return False
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2014-09-09 05:30:57 -07:00
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def can_export(self):
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return False
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2014-07-10 12:44:28 -07:00
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def can_create_accounts(self):
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return True
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2014-08-19 01:36:55 -07:00
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def can_change_password(self):
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return False
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def has_seed(self):
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return False
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2014-07-10 12:44:28 -07:00
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def is_watching_only(self):
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return False
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def get_client(self):
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if not TREZOR:
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2014-08-22 04:24:29 -07:00
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give_error('please install github.com/trezor/python-trezor')
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2014-07-10 12:44:28 -07:00
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if not self.client or self.client.bad:
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2014-07-21 10:41:43 -07:00
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try:
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d = HidTransport.enumerate()[0]
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self.transport = HidTransport(d)
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except:
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2014-08-22 04:24:29 -07:00
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give_error('Could not connect to your Trezor. Please verify the cable is connected and that no other app is using it.')
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2014-07-10 12:44:28 -07:00
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self.client = QtGuiTrezorClient(self.transport)
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2014-08-31 09:46:55 -07:00
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if (self.client.features.major_version == 1 and self.client.features.minor_version < 2) or (self.client.features.major_version == 1 and self.client.features.minor_version == 2 and self.client.features.patch_version < 1):
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give_error('Outdated Trezor firmware. Please update the firmware from https://www.mytrezor.com')
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2014-07-10 12:44:28 -07:00
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self.client.set_tx_api(self)
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#self.client.clear_session()# TODO Doesn't work with firmware 1.1, returns proto.Failure
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self.client.bad = False
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self.device_checked = False
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self.proper_device = False
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return self.client
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def address_id(self, address):
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account_id, (change, address_index) = self.get_address_index(address)
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2014-08-28 08:38:56 -07:00
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return "44'/0'/%s'/%d/%d" % (account_id, change, address_index)
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2014-07-10 12:44:28 -07:00
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2014-08-20 12:01:30 -07:00
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def create_main_account(self, password):
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self.create_account('Main account', None) #name, empty password
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2014-07-10 12:44:28 -07:00
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2014-08-20 12:01:30 -07:00
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def derive_xkeys(self, root, derivation, password):
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derivation = derivation.replace(self.root_name,"44'/0'/")
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xpub = self.get_public_key(derivation)
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return xpub, None
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2014-07-10 12:44:28 -07:00
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def get_public_key(self, bip32_path):
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address_n = self.get_client().expand_path(bip32_path)
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2014-08-08 09:29:08 -07:00
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node = self.get_client().get_public_node(address_n).node
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xpub = "0488B21E".decode('hex') + chr(node.depth) + self.i4b(node.fingerprint) + self.i4b(node.child_num) + node.chain_code + node.public_key
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2014-07-10 12:44:28 -07:00
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return EncodeBase58Check(xpub)
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def get_master_public_key(self):
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if not self.mpk:
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self.mpk = self.get_public_key("44'/0'")
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return self.mpk
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def i4b(self, x):
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2014-08-20 12:18:16 -07:00
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return pack('>I', x)
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2014-07-10 12:44:28 -07:00
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def add_keypairs(self, tx, keypairs, password):
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#do nothing - no priv keys available
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pass
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2014-08-03 16:10:20 -07:00
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def decrypt_message(self, pubkey, message, password):
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2014-09-03 01:45:41 -07:00
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raise BaseException( _('Decrypt method is not implemented in Trezor') )
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#address = public_key_to_bc_address(pubkey.decode('hex'))
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#address_path = self.address_id(address)
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#address_n = self.get_client().expand_path(address_path)
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#try:
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# decrypted_msg = self.get_client().decrypt_message(address_n, b64decode(message))
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#except Exception, e:
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# give_error(e)
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#finally:
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# twd.emit(SIGNAL('trezor_done'))
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#return str(decrypted_msg)
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2014-08-03 16:10:20 -07:00
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2014-08-03 14:37:26 -07:00
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def sign_message(self, address, message, password):
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2014-08-26 03:38:05 -07:00
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if not self.check_proper_device():
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give_error('Wrong device or password')
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2014-08-03 14:37:26 -07:00
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try:
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address_path = self.address_id(address)
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address_n = self.get_client().expand_path(address_path)
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except Exception, e:
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2014-08-22 04:24:29 -07:00
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give_error(e)
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2014-08-03 14:37:26 -07:00
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try:
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msg_sig = self.get_client().sign_message('Bitcoin', address_n, message)
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except Exception, e:
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2014-08-22 04:24:29 -07:00
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give_error(e)
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2014-08-03 14:37:26 -07:00
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finally:
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twd.emit(SIGNAL('trezor_done'))
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b64_msg_sig = b64encode(msg_sig.signature)
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return str(b64_msg_sig)
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2014-07-10 12:44:28 -07:00
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def sign_transaction(self, tx, keypairs, password):
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if tx.error or tx.is_complete():
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return
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if not self.check_proper_device():
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2014-08-22 04:24:29 -07:00
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give_error('Wrong device or password')
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2014-07-10 12:44:28 -07:00
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inputs = self.tx_inputs(tx)
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outputs = self.tx_outputs(tx)
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2014-08-02 20:41:27 -07:00
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try:
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signed_tx = self.get_client().sign_tx('Bitcoin', inputs, outputs)[1]
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except Exception, e:
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2014-08-22 04:24:29 -07:00
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give_error(e)
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2014-08-02 20:41:27 -07:00
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finally:
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2014-08-03 07:49:25 -07:00
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twd.emit(SIGNAL('trezor_done'))
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2014-07-12 10:17:48 -07:00
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values = [i['value'] for i in tx.inputs]
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2014-07-10 12:44:28 -07:00
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raw = signed_tx.encode('hex')
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tx.update(raw)
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2014-07-12 10:17:48 -07:00
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for i, txinput in enumerate(tx.inputs):
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txinput['value'] = values[i]
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2014-07-10 12:44:28 -07:00
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def tx_inputs(self, tx):
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inputs = []
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for txinput in tx.inputs:
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txinputtype = types.TxInputType()
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if ('is_coinbase' in txinput and txinput['is_coinbase']):
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prev_hash = "\0"*32
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2014-08-22 04:24:29 -07:00
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prev_index = 0xffffffff # signed int -1
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else:
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2014-08-28 03:13:03 -07:00
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address = txinput['address']
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try:
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address_path = self.address_id(address)
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address_n = self.get_client().expand_path(address_path)
|
|
|
|
txinputtype.address_n.extend(address_n)
|
|
|
|
except: pass
|
|
|
|
|
2014-07-10 12:44:28 -07:00
|
|
|
prev_hash = unhexlify(txinput['prevout_hash'])
|
|
|
|
prev_index = txinput['prevout_n']
|
|
|
|
|
|
|
|
txinputtype.prev_hash = prev_hash
|
|
|
|
txinputtype.prev_index = prev_index
|
|
|
|
|
|
|
|
if 'scriptSig' in txinput:
|
|
|
|
script_sig = txinput['scriptSig']
|
|
|
|
txinputtype.script_sig = script_sig
|
|
|
|
|
|
|
|
if 'sequence' in txinput:
|
|
|
|
sequence = txinput['sequence']
|
|
|
|
txinputtype.sequence = sequence
|
|
|
|
|
|
|
|
inputs.append(txinputtype)
|
|
|
|
#TODO P2SH
|
|
|
|
return inputs
|
|
|
|
|
|
|
|
def tx_outputs(self, tx):
|
|
|
|
outputs = []
|
|
|
|
|
|
|
|
for type, address, amount in tx.outputs:
|
2014-08-18 15:41:10 -07:00
|
|
|
assert type == 'address'
|
2014-07-10 12:44:28 -07:00
|
|
|
txoutputtype = types.TxOutputType()
|
|
|
|
if self.is_change(address):
|
|
|
|
address_path = self.address_id(address)
|
|
|
|
address_n = self.get_client().expand_path(address_path)
|
|
|
|
txoutputtype.address_n.extend(address_n)
|
|
|
|
else:
|
|
|
|
txoutputtype.address = address
|
|
|
|
txoutputtype.amount = amount
|
2014-08-18 15:41:10 -07:00
|
|
|
addrtype, hash_160 = bc_address_to_hash_160(address)
|
|
|
|
if addrtype == 0:
|
|
|
|
txoutputtype.script_type = types.PAYTOADDRESS
|
|
|
|
elif addrtype == 5:
|
|
|
|
txoutputtype.script_type = types.PAYTOSCRIPTHASH
|
|
|
|
else:
|
|
|
|
raise BaseException('addrtype')
|
2014-07-10 12:44:28 -07:00
|
|
|
outputs.append(txoutputtype)
|
2014-08-18 15:41:10 -07:00
|
|
|
|
2014-07-10 12:44:28 -07:00
|
|
|
return outputs
|
|
|
|
|
|
|
|
def electrum_tx_to_txtype(self, tx):
|
|
|
|
t = types.TransactionType()
|
|
|
|
d = deserialize(tx.raw)
|
|
|
|
t.version = d['version']
|
|
|
|
t.lock_time = d['lockTime']
|
|
|
|
|
|
|
|
inputs = self.tx_inputs(tx)
|
|
|
|
t.inputs.extend(inputs)
|
|
|
|
|
|
|
|
for vout in d['outputs']:
|
|
|
|
o = t.bin_outputs.add()
|
|
|
|
o.amount = vout['value']
|
|
|
|
o.script_pubkey = vout['scriptPubKey'].decode('hex')
|
|
|
|
|
|
|
|
return t
|
|
|
|
|
|
|
|
def get_tx(self, tx_hash):
|
|
|
|
tx = self.transactions[tx_hash]
|
|
|
|
return self.electrum_tx_to_txtype(tx)
|
|
|
|
|
|
|
|
def check_proper_device(self):
|
|
|
|
self.get_client().ping('t')
|
|
|
|
if not self.device_checked:
|
2014-09-10 01:09:13 -07:00
|
|
|
address = self.addresses(False)[0]
|
2014-07-10 12:44:28 -07:00
|
|
|
address_id = self.address_id(address)
|
|
|
|
n = self.get_client().expand_path(address_id)
|
|
|
|
device_address = self.get_client().get_address('Bitcoin', n)
|
|
|
|
self.device_checked = True
|
|
|
|
|
|
|
|
if device_address != address:
|
|
|
|
self.proper_device = False
|
|
|
|
else:
|
|
|
|
self.proper_device = True
|
|
|
|
|
|
|
|
return self.proper_device
|
|
|
|
|
|
|
|
|
|
|
|
class TrezorQtGuiMixin(object):
|
|
|
|
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
|
|
super(TrezorQtGuiMixin, self).__init__(*args, **kwargs)
|
|
|
|
|
|
|
|
def callback_ButtonRequest(self, msg):
|
2014-08-02 20:18:02 -07:00
|
|
|
if msg.code == 3:
|
|
|
|
message = "Confirm transaction outputs on Trezor device to continue"
|
|
|
|
elif msg.code == 8:
|
|
|
|
message = "Confirm transaction fee on Trezor device to continue"
|
2014-08-03 14:37:26 -07:00
|
|
|
elif msg.code == 7:
|
|
|
|
message = "Confirm message to sign on Trezor device to continue"
|
2014-08-02 20:18:02 -07:00
|
|
|
else:
|
|
|
|
message = "Check Trezor device to continue"
|
|
|
|
twd.start(message)
|
|
|
|
return proto.ButtonAck()
|
2014-07-10 12:44:28 -07:00
|
|
|
|
|
|
|
def callback_PinMatrixRequest(self, msg):
|
|
|
|
if msg.type == 1:
|
2014-08-20 11:00:43 -07:00
|
|
|
desc = 'current PIN'
|
2014-07-10 12:44:28 -07:00
|
|
|
elif msg.type == 2:
|
|
|
|
desc = 'new PIN'
|
|
|
|
elif msg.type == 3:
|
|
|
|
desc = 'new PIN again'
|
|
|
|
else:
|
|
|
|
desc = 'PIN'
|
|
|
|
|
|
|
|
pin = self.pin_dialog(msg="Please enter Trezor %s" % desc)
|
|
|
|
if not pin:
|
|
|
|
return proto.Cancel()
|
|
|
|
return proto.PinMatrixAck(pin=pin)
|
|
|
|
|
|
|
|
def callback_PassphraseRequest(self, msg):
|
|
|
|
confirmed, p, passphrase = self.password_dialog()
|
|
|
|
if not confirmed:
|
|
|
|
QMessageBox.critical(None, _('Error'), _("Password request canceled"), _('OK'))
|
|
|
|
return proto.Cancel()
|
|
|
|
if passphrase is None:
|
|
|
|
passphrase='' # Even blank string is valid Trezor passphrase
|
|
|
|
return proto.PassphraseAck(passphrase=passphrase)
|
|
|
|
|
|
|
|
def callback_WordRequest(self, msg):
|
|
|
|
#TODO
|
|
|
|
log("Enter one word of mnemonic: ")
|
|
|
|
word = raw_input()
|
|
|
|
return proto.WordAck(word=word)
|
|
|
|
|
|
|
|
def password_dialog(self, msg=None):
|
|
|
|
if not msg:
|
|
|
|
msg = _("Please enter your Trezor password")
|
2014-07-11 07:32:17 -07:00
|
|
|
|
2014-07-10 12:44:28 -07:00
|
|
|
d = QDialog()
|
|
|
|
d.setModal(1)
|
|
|
|
d.setLayout( make_password_dialog(d, None, msg, False) )
|
|
|
|
return run_password_dialog(d, None, None)
|
|
|
|
|
|
|
|
def pin_dialog(self, msg):
|
|
|
|
d = QDialog(None)
|
|
|
|
d.setModal(1)
|
|
|
|
d.setWindowTitle(_("Enter PIN"))
|
|
|
|
matrix = PinMatrixWidget()
|
|
|
|
|
|
|
|
vbox = QVBoxLayout()
|
|
|
|
vbox.addWidget(QLabel(msg))
|
|
|
|
vbox.addWidget(matrix)
|
|
|
|
vbox.addLayout(ok_cancel_buttons(d))
|
|
|
|
d.setLayout(vbox)
|
|
|
|
|
|
|
|
if not d.exec_(): return
|
|
|
|
return str(matrix.get_value())
|
|
|
|
|
2014-08-02 20:18:02 -07:00
|
|
|
class TrezorWaitingDialog(QThread):
|
|
|
|
def __init__(self):
|
|
|
|
QThread.__init__(self)
|
2014-08-02 20:38:16 -07:00
|
|
|
self.waiting = False
|
2014-08-02 20:18:02 -07:00
|
|
|
|
|
|
|
def start(self, message):
|
|
|
|
self.d = QDialog()
|
2014-08-03 14:37:26 -07:00
|
|
|
self.d.setModal(1)
|
2014-08-02 20:18:02 -07:00
|
|
|
self.d.setWindowTitle('Please Check Trezor Device')
|
2014-08-03 14:37:26 -07:00
|
|
|
self.d.setWindowFlags(self.d.windowFlags() | QtCore.Qt.WindowStaysOnTopHint)
|
2014-08-02 20:18:02 -07:00
|
|
|
l = QLabel(message)
|
|
|
|
vbox = QVBoxLayout(self.d)
|
|
|
|
vbox.addWidget(l)
|
|
|
|
self.d.show()
|
2014-08-02 20:38:16 -07:00
|
|
|
if not self.waiting:
|
|
|
|
self.waiting = True
|
2014-08-03 07:49:25 -07:00
|
|
|
self.d.connect(twd, SIGNAL('trezor_done'), self.stop)
|
2014-08-02 20:18:02 -07:00
|
|
|
|
|
|
|
def stop(self):
|
|
|
|
self.d.hide()
|
2014-08-02 20:38:16 -07:00
|
|
|
self.waiting = False
|
2014-08-02 20:18:02 -07:00
|
|
|
|
|
|
|
|
2014-07-10 12:44:28 -07:00
|
|
|
if TREZOR:
|
|
|
|
class QtGuiTrezorClient(ProtocolMixin, TrezorQtGuiMixin, BaseClient):
|
|
|
|
def call_raw(self, msg):
|
|
|
|
try:
|
|
|
|
resp = BaseClient.call_raw(self, msg)
|
|
|
|
except ConnectionError:
|
|
|
|
self.bad = True
|
|
|
|
raise
|
|
|
|
|
|
|
|
return resp
|
2014-08-02 20:18:02 -07:00
|
|
|
|
|
|
|
twd = TrezorWaitingDialog()
|
|
|
|
|