672 lines
24 KiB
Python
672 lines
24 KiB
Python
from binascii import unhexlify
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from struct import pack
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from sys import stderr
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from time import sleep
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import unicodedata
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import threading
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import re
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from functools import partial
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from PyQt4.Qt import QMessageBox, QDialog, QVBoxLayout, QLabel, QThread, SIGNAL, QGridLayout, QInputDialog, QPushButton
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import PyQt4.QtCore as QtCore
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import electrum
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from electrum import bitcoin
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from electrum.account import BIP32_Account
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from electrum.bitcoin import EncodeBase58Check, public_key_to_bc_address, bc_address_to_hash_160, xpub_from_pubkey
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from electrum.i18n import _
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from electrum.plugins import BasePlugin, hook, always_hook, run_hook
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from electrum.transaction import Transaction, deserialize, is_extended_pubkey, x_to_xpub
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from electrum.wallet import BIP32_HD_Wallet
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from electrum.util import print_error, print_msg
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from electrum.wallet import pw_decode, bip32_private_derivation, bip32_root
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from electrum_gui.qt.util import *
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from electrum_gui.qt.main_window import StatusBarButton, ElectrumWindow
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from electrum_gui.qt.installwizard import InstallWizard
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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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from trezorlib.qt.pinmatrix import PinMatrixWidget
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from trezorlib.transport import ConnectionError
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from trezorlib.transport_hid import HidTransport
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TREZOR = True
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except ImportError:
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TREZOR = False
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import trezorlib.ckd_public as ckd_public
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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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def give_error(message):
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print_error(message)
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raise Exception(message)
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class Plugin(BasePlugin):
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def __init__(self, parent, config, name):
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BasePlugin.__init__(self, parent, config, name)
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self._is_available = self._init()
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self.wallet = None
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self.handler = None
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self.client = None
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self.transport = None
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def constructor(self, s):
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return TrezorWallet(s)
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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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if not self._is_available:
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return False
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if not self.wallet:
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return False
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if self.wallet.storage.get('wallet_type') != 'trezor':
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return False
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return True
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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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if self.wallet.has_seed():
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return False
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return True
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def compare_version(self, major, minor=0, patch=0):
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features = self.get_client().features
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v = [features.major_version, features.minor_version, features.patch_version]
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self.print_error('firmware version', v)
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return cmp(v, [major, minor, patch])
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def atleast_version(self, major, minor=0, patch=0):
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return self.compare_version(major, minor, patch) >= 0
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def get_client(self):
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if not TREZOR:
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give_error('please install github.com/trezor/python-trezor')
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if not self.client or self.client.bad:
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d = HidTransport.enumerate()
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if not d:
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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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self.transport = HidTransport(d[0])
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self.client = QtGuiTrezorClient(self.transport)
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self.client.handler = self.handler
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self.client.set_tx_api(self)
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self.client.bad = False
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if not self.atleast_version(1, 2, 1):
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self.client = None
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give_error('Outdated Trezor firmware. Please update the firmware from https://www.mytrezor.com')
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return self.client
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@hook
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def close_wallet(self):
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print_error("trezor: clear session")
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if self.client:
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self.client.clear_session()
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self.client.transport.close()
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self.client = None
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self.wallet = None
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@hook
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def cmdline_load_wallet(self, wallet):
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self.wallet = wallet
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self.wallet.plugin = self
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if self.handler is None:
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self.handler = TrezorCmdLineHandler()
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@hook
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def load_wallet(self, wallet, window):
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self.print_error("load_wallet")
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self.wallet = wallet
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self.wallet.plugin = self
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self.trezor_button = StatusBarButton(QIcon(":icons/trezor.png"), _("Trezor"), partial(self.settings_dialog, window))
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if type(window) is ElectrumWindow:
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window.statusBar().addPermanentWidget(self.trezor_button)
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if self.handler is None:
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self.handler = TrezorQtHandler(window)
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try:
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self.get_client().ping('t')
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except BaseException as e:
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QMessageBox.information(window, _('Error'), _("Trezor device not detected.\nContinuing in watching-only mode." + '\n\nReason:\n' + str(e)), _('OK'))
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self.wallet.force_watching_only = True
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return
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if self.wallet.addresses() and not self.wallet.check_proper_device():
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QMessageBox.information(window, _('Error'), _("This wallet does not match your Trezor device"), _('OK'))
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self.wallet.force_watching_only = True
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@hook
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def installwizard_load_wallet(self, wallet, window):
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if type(wallet) != TrezorWallet:
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return
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self.load_wallet(wallet, window)
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@hook
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def installwizard_restore(self, wizard, storage):
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if storage.get('wallet_type') != 'trezor':
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return
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seed = wizard.enter_seed_dialog("Enter your Trezor seed", None, func=lambda x:True)
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if not seed:
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return
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wallet = TrezorWallet(storage)
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self.wallet = wallet
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handler = TrezorQtHandler(wizard)
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passphrase = handler.get_passphrase(_("Please enter your Trezor passphrase.") + '\n' + _("Press OK if you do not use one."))
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if passphrase is None:
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return
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password = wizard.password_dialog()
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wallet.add_seed(seed, password)
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wallet.add_cosigner_seed(seed, 'x/', password, passphrase)
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wallet.create_main_account(password)
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# disable trezor plugin
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self.set_enabled(False)
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return wallet
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@hook
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def receive_menu(self, menu, addrs):
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if not self.wallet.is_watching_only() and self.atleast_version(1, 3) and len(addrs) == 1:
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menu.addAction(_("Show on TREZOR"), lambda: self.show_address(addrs[0]))
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def show_address(self, address):
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if not self.wallet.check_proper_device():
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give_error('Wrong device or password')
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try:
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address_path = self.wallet.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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give_error(e)
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try:
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self.get_client().get_address('Bitcoin', address_n, True)
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except Exception, e:
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give_error(e)
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finally:
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self.handler.stop()
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def settings_dialog(self, window):
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try:
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device_id = self.get_client().get_device_id()
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except BaseException as e:
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window.show_message(str(e))
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return
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get_label = lambda: self.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" % 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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self.handler.show_message("Please confirm label change on Trezor")
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status = self.get_client().apply_settings(label=new_label)
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self.handler.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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d.exec_()
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def sign_transaction(self, tx, prev_tx, xpub_path):
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self.prev_tx = prev_tx
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self.xpub_path = xpub_path
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client = self.get_client()
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inputs = self.tx_inputs(tx, True)
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outputs = self.tx_outputs(tx)
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#try:
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signed_tx = client.sign_tx('Bitcoin', inputs, outputs)[1]
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#except Exception, e:
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# give_error(e)
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#finally:
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self.handler.stop()
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raw = signed_tx.encode('hex')
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tx.update_signatures(raw)
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def tx_inputs(self, tx, for_sig=False):
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inputs = []
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for txin in tx.inputs:
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txinputtype = types.TxInputType()
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if txin.get('is_coinbase'):
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prev_hash = "\0"*32
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prev_index = 0xffffffff # signed int -1
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else:
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if for_sig:
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x_pubkeys = txin['x_pubkeys']
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if len(x_pubkeys) == 1:
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x_pubkey = x_pubkeys[0]
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xpub, s = BIP32_Account.parse_xpubkey(x_pubkey)
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xpub_n = self.get_client().expand_path(self.xpub_path[xpub])
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txinputtype.address_n.extend(xpub_n + s)
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else:
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def f(x_pubkey):
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if is_extended_pubkey(x_pubkey):
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xpub, s = BIP32_Account.parse_xpubkey(x_pubkey)
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else:
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xpub = xpub_from_pubkey(x_pubkey.decode('hex'))
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s = []
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node = ckd_public.deserialize(xpub)
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return types.HDNodePathType(node=node, address_n=s)
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pubkeys = map(f, x_pubkeys)
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multisig = types.MultisigRedeemScriptType(
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pubkeys=pubkeys,
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signatures=map(lambda x: x.decode('hex') if x else '', txin.get('signatures')),
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m=txin.get('num_sig'),
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)
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txinputtype = types.TxInputType(
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script_type=types.SPENDMULTISIG,
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multisig= multisig
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)
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# find which key is mine
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for x_pubkey in x_pubkeys:
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if is_extended_pubkey(x_pubkey):
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xpub, s = BIP32_Account.parse_xpubkey(x_pubkey)
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if xpub in self.xpub_path:
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xpub_n = self.get_client().expand_path(self.xpub_path[xpub])
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txinputtype.address_n.extend(xpub_n + s)
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break
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prev_hash = unhexlify(txin['prevout_hash'])
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prev_index = txin['prevout_n']
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txinputtype.prev_hash = prev_hash
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txinputtype.prev_index = prev_index
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if 'scriptSig' in txin:
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script_sig = txin['scriptSig'].decode('hex')
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txinputtype.script_sig = script_sig
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if 'sequence' in txin:
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sequence = txin['sequence']
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txinputtype.sequence = sequence
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inputs.append(txinputtype)
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return inputs
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def tx_outputs(self, tx):
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outputs = []
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for type, address, amount in tx.outputs:
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assert type == 'address'
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txoutputtype = types.TxOutputType()
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if self.wallet.is_change(address):
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address_path = self.wallet.address_id(address)
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address_n = self.get_client().expand_path(address_path)
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txoutputtype.address_n.extend(address_n)
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else:
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txoutputtype.address = address
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txoutputtype.amount = amount
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addrtype, hash_160 = bc_address_to_hash_160(address)
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if addrtype == 0:
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txoutputtype.script_type = types.PAYTOADDRESS
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elif addrtype == 5:
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txoutputtype.script_type = types.PAYTOSCRIPTHASH
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else:
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raise BaseException('addrtype')
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outputs.append(txoutputtype)
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return outputs
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def electrum_tx_to_txtype(self, tx):
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t = types.TransactionType()
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d = deserialize(tx.raw)
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t.version = d['version']
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t.lock_time = d['lockTime']
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inputs = self.tx_inputs(tx)
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t.inputs.extend(inputs)
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for vout in d['outputs']:
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o = t.bin_outputs.add()
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o.amount = vout['value']
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o.script_pubkey = vout['scriptPubKey'].decode('hex')
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return t
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def get_tx(self, tx_hash):
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tx = self.prev_tx[tx_hash]
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tx.deserialize()
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return self.electrum_tx_to_txtype(tx)
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class TrezorWallet(BIP32_HD_Wallet):
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wallet_type = 'trezor'
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root_derivation = "m/44'/0'"
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def __init__(self, storage):
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BIP32_HD_Wallet.__init__(self, storage)
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self.mpk = None
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self.device_checked = False
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self.proper_device = False
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self.force_watching_only = 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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def can_import(self):
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return False
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def can_sign_xpubkey(self, x_pubkey):
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xpub, sequence = BIP32_Account.parse_xpubkey(x_pubkey)
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return xpub in self.master_public_keys.values()
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def can_export(self):
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return False
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def can_create_accounts(self):
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return True
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def can_change_password(self):
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return False
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def is_watching_only(self):
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return self.force_watching_only
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def get_client(self):
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return self.plugin.get_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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return "44'/0'/%s'/%d/%d" % (account_id, change, address_index)
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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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def mnemonic_to_seed(self, mnemonic, passphrase):
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# trezor uses bip39
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import pbkdf2, hashlib, hmac
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PBKDF2_ROUNDS = 2048
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mnemonic = unicodedata.normalize('NFKD', ' '.join(mnemonic.split()))
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passphrase = unicodedata.normalize('NFKD', passphrase)
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return pbkdf2.PBKDF2(mnemonic, 'mnemonic' + passphrase, iterations = PBKDF2_ROUNDS, macmodule = hmac, digestmodule = hashlib.sha512).read(64)
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def derive_xkeys(self, root, derivation, password):
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x = self.master_private_keys.get(root)
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if x:
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root_xprv = pw_decode(x, password)
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xprv, xpub = bip32_private_derivation(root_xprv, root, derivation)
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return xpub, xprv
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else:
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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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def get_public_key(self, bip32_path):
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address_n = self.plugin.get_client().expand_path(bip32_path)
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node = self.plugin.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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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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return pack('>I', x)
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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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def decrypt_message(self, pubkey, message, password):
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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.stop()
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#return str(decrypted_msg)
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def sign_message(self, address, message, password):
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if self.has_seed():
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return BIP32_HD_Wallet.sign_message(self, address, message, password)
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if not self.check_proper_device():
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give_error('Wrong device or password')
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try:
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address_path = self.address_id(address)
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address_n = self.plugin.get_client().expand_path(address_path)
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except Exception, e:
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give_error(e)
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try:
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msg_sig = self.plugin.get_client().sign_message('Bitcoin', address_n, message)
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except Exception, e:
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give_error(e)
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finally:
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self.plugin.handler.stop()
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return msg_sig.signature
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def sign_transaction(self, tx, password):
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if self.has_seed():
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return BIP32_HD_Wallet.sign_transaction(self, tx, password)
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if tx.is_complete():
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return
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if not self.check_proper_device():
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give_error('Wrong device or password')
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# previous transactions used as inputs
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prev_tx = {}
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# path of the xpubs that are involved
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xpub_path = {}
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for txin in tx.inputs:
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tx_hash = txin['prevout_hash']
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ptx = self.transactions.get(tx_hash)
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if ptx is None:
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ptx = self.network.synchronous_get(('blockchain.transaction.get', [tx_hash]))
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ptx = Transaction(ptx)
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prev_tx[tx_hash] = ptx
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for x_pubkey in txin['x_pubkeys']:
|
|
account_derivation = None
|
|
if not is_extended_pubkey(x_pubkey):
|
|
continue
|
|
xpub = x_to_xpub(x_pubkey)
|
|
for k, v in self.master_public_keys.items():
|
|
if v == xpub:
|
|
account_id = re.match("x/(\d+)'", k).group(1)
|
|
account_derivation = "44'/0'/%s'"%account_id
|
|
if account_derivation is not None:
|
|
xpub_path[xpub] = account_derivation
|
|
|
|
self.plugin.sign_transaction(tx, prev_tx, xpub_path)
|
|
|
|
def check_proper_device(self):
|
|
self.get_client().ping('t')
|
|
if not self.device_checked:
|
|
address = self.addresses(False)[0]
|
|
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 TrezorGuiMixin(object):
|
|
|
|
def __init__(self, *args, **kwargs):
|
|
super(TrezorGuiMixin, self).__init__(*args, **kwargs)
|
|
|
|
def callback_ButtonRequest(self, msg):
|
|
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"
|
|
elif msg.code == 7:
|
|
message = "Confirm message to sign on Trezor device to continue"
|
|
elif msg.code == 10:
|
|
message = "Confirm address on Trezor device to continue"
|
|
else:
|
|
message = "Check Trezor device to continue"
|
|
self.handler.show_message(message)
|
|
return proto.ButtonAck()
|
|
|
|
def callback_PinMatrixRequest(self, msg):
|
|
if msg.type == 1:
|
|
desc = 'current PIN'
|
|
elif msg.type == 2:
|
|
desc = 'new PIN'
|
|
elif msg.type == 3:
|
|
desc = 'new PIN again'
|
|
else:
|
|
desc = 'PIN'
|
|
pin = self.handler.get_pin("Please enter Trezor %s" % desc)
|
|
if not pin:
|
|
return proto.Cancel()
|
|
return proto.PinMatrixAck(pin=pin)
|
|
|
|
def callback_PassphraseRequest(self, req):
|
|
msg = _("Please enter your Trezor passphrase.")
|
|
passphrase = self.handler.get_passphrase(msg)
|
|
if passphrase is None:
|
|
return proto.Cancel()
|
|
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)
|
|
|
|
|
|
class TrezorCmdLineHandler:
|
|
|
|
def get_passphrase(self, msg):
|
|
import getpass
|
|
print_msg(msg)
|
|
return getpass.getpass('')
|
|
|
|
def get_pin(self, msg):
|
|
t = { 'a':'7', 'b':'8', 'c':'9', 'd':'4', 'e':'5', 'f':'6', 'g':'1', 'h':'2', 'i':'3'}
|
|
print_msg(msg)
|
|
print_msg("a b c\nd e f\ng h i\n-----")
|
|
o = raw_input()
|
|
return ''.join(map(lambda x: t[x], o))
|
|
|
|
def stop(self):
|
|
pass
|
|
|
|
def show_message(self, msg):
|
|
print_msg(msg)
|
|
|
|
|
|
class TrezorQtHandler:
|
|
|
|
def __init__(self, win):
|
|
self.win = win
|
|
self.win.connect(win, SIGNAL('trezor_done'), self.dialog_stop)
|
|
self.win.connect(win, SIGNAL('message_dialog'), self.message_dialog)
|
|
self.win.connect(win, SIGNAL('pin_dialog'), self.pin_dialog)
|
|
self.win.connect(win, SIGNAL('passphrase_dialog'), self.passphrase_dialog)
|
|
self.done = threading.Event()
|
|
|
|
def stop(self):
|
|
self.win.emit(SIGNAL('trezor_done'))
|
|
|
|
def show_message(self, msg):
|
|
self.message = msg
|
|
self.win.emit(SIGNAL('message_dialog'))
|
|
|
|
def get_pin(self, msg):
|
|
self.done.clear()
|
|
self.message = msg
|
|
self.win.emit(SIGNAL('pin_dialog'))
|
|
self.done.wait()
|
|
return self.response
|
|
|
|
def get_passphrase(self, msg):
|
|
self.done.clear()
|
|
self.message = msg
|
|
self.win.emit(SIGNAL('passphrase_dialog'))
|
|
self.done.wait()
|
|
return self.passphrase
|
|
|
|
def pin_dialog(self):
|
|
d = QDialog(None)
|
|
d.setModal(1)
|
|
d.setWindowTitle(_("Enter PIN"))
|
|
d.setWindowFlags(d.windowFlags() | QtCore.Qt.WindowStaysOnTopHint)
|
|
matrix = PinMatrixWidget()
|
|
vbox = QVBoxLayout()
|
|
vbox.addWidget(QLabel(self.message))
|
|
vbox.addWidget(matrix)
|
|
vbox.addLayout(Buttons(CancelButton(d), OkButton(d)))
|
|
d.setLayout(vbox)
|
|
if not d.exec_():
|
|
self.response = None
|
|
self.response = str(matrix.get_value())
|
|
self.done.set()
|
|
|
|
def passphrase_dialog(self):
|
|
if type(self.win) is ElectrumWindow:
|
|
passphrase = self.win.password_dialog(_("Please enter your Trezor passphrase"))
|
|
self.passphrase = unicodedata.normalize('NFKD', unicode(passphrase)) if passphrase else ''
|
|
else:
|
|
assert type(self.win) is InstallWizard
|
|
from electrum_gui.qt.password_dialog import make_password_dialog, run_password_dialog
|
|
d = QDialog()
|
|
d.setModal(1)
|
|
d.setLayout(make_password_dialog(d, None, self.message, False))
|
|
confirmed, p, passphrase = run_password_dialog(d, None, None)
|
|
if not confirmed:
|
|
QMessageBox.critical(None, _('Error'), _("Password request canceled"), _('OK'))
|
|
self.passphrase = None
|
|
else:
|
|
self.passphrase = unicodedata.normalize('NFKD', unicode(passphrase)) if passphrase else ''
|
|
self.done.set()
|
|
|
|
def message_dialog(self):
|
|
self.d = QDialog()
|
|
self.d.setModal(1)
|
|
self.d.setWindowTitle('Please Check Trezor Device')
|
|
self.d.setWindowFlags(self.d.windowFlags() | QtCore.Qt.WindowStaysOnTopHint)
|
|
l = QLabel(self.message)
|
|
vbox = QVBoxLayout(self.d)
|
|
vbox.addWidget(l)
|
|
self.d.show()
|
|
|
|
def dialog_stop(self):
|
|
self.d.hide()
|
|
|
|
|
|
if TREZOR:
|
|
class QtGuiTrezorClient(ProtocolMixin, TrezorGuiMixin, BaseClient):
|
|
def call_raw(self, msg):
|
|
try:
|
|
resp = BaseClient.call_raw(self, msg)
|
|
except ConnectionError:
|
|
self.bad = True
|
|
raise
|
|
|
|
return resp
|