ThomasV
10 years ago
4 changed files with 680 additions and 0 deletions
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After Width: | Height: | Size: 2.2 KiB |
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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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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 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 keepkeylib.client import types |
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from keepkeylib.client import proto, BaseClient, ProtocolMixin |
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from keepkeylib.qt.pinmatrix import PinMatrixWidget |
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from keepkeylib.transport import ConnectionError |
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from keepkeylib.transport_hid import HidTransport |
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KEEPKEY = True |
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except ImportError: |
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KEEPKEY = False |
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import keepkeylib.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, config, name): |
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BasePlugin.__init__(self, 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 KeepKeyWallet(s) |
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def _init(self): |
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return KEEPKEY |
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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') != 'keepkey': |
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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 KEEPKEY: |
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give_error('please install github.com/keepkey/python-keepkey') |
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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 KeepKey. 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 = QtGuiKeepKeyClient(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, 0, 0): |
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self.client = None |
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give_error('Outdated KeepKey firmware. Please update the firmware from https://www.keepkey.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("keepkey: 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 = KeepKeyCmdLineHandler() |
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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.window = window |
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self.wallet.plugin = self |
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self.keepkey_button = StatusBarButton(QIcon(":icons/keepkey.png"), _("KeepKey"), self.settings_dialog) |
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if type(window) is ElectrumWindow: |
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self.window.statusBar().addPermanentWidget(self.keepkey_button) |
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if self.handler is None: |
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self.handler = KeepKeyQtHandler(self.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(self.window, _('Error'), _("KeepKey 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(self.window, _('Error'), _("This wallet does not match your KeepKey device"), _('OK')) |
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self.wallet.force_watching_only = True |
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@hook |
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def close_wallet(self): |
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if type(self.window) is ElectrumWindow: |
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self.window.statusBar().removeWidget(self.keepkey_button) |
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@hook |
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def installwizard_load_wallet(self, wallet, window): |
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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') != 'keepkey': |
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return |
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seed = wizard.enter_seed_dialog("Enter your KeepKey seed", None, func=lambda x:True) |
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if not seed: |
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return |
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wallet = KeepKeyWallet(storage) |
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self.wallet = wallet |
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handler = KeepKeyQtHandler(wizard) |
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passphrase = handler.get_passphrase(_("Please enter your KeepKey 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 keepkey 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): |
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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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self.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("KeepKey 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 KeepKey Label", "New KeepKey Label: (upon submission confirm on KeepKey)") |
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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 KeepKey") |
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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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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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else: |
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raise |
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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 KeepKeyWallet(BIP32_HD_Wallet): |
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wallet_type = 'keepkey' |
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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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# keepkey 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 KeepKey') ) |
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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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|
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def 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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|
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def 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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|
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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])])[0] |
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ptx = Transaction(ptx) |
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prev_tx[tx_hash] = ptx |
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|
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for x_pubkey in txin['x_pubkeys']: |
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if not is_extended_pubkey(x_pubkey): |
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continue |
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xpub = x_to_xpub(x_pubkey) |
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for k, v in self.master_public_keys.items(): |
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if v == xpub: |
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account_id = re.match("x/(\d+)'", k).group(1) |
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account_derivation = "44'/0'/%s'"%account_id |
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xpub_path[xpub] = account_derivation |
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|
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self.plugin.sign_transaction(tx, prev_tx, xpub_path) |
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|
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def check_proper_device(self): |
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self.get_client().ping('t') |
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if not self.device_checked: |
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address = self.addresses(False)[0] |
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address_id = self.address_id(address) |
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n = self.get_client().expand_path(address_id) |
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device_address = self.get_client().get_address('Bitcoin', n) |
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self.device_checked = True |
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|
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if device_address != address: |
||||
self.proper_device = False |
||||
else: |
||||
self.proper_device = True |
||||
|
||||
return self.proper_device |
||||
|
||||
|
||||
class KeepKeyGuiMixin(object): |
||||
|
||||
def __init__(self, *args, **kwargs): |
||||
super(KeepKeyGuiMixin, self).__init__(*args, **kwargs) |
||||
|
||||
def callback_ButtonRequest(self, msg): |
||||
if msg.code == 3: |
||||
message = "Confirm transaction outputs on KeepKey device to continue" |
||||
elif msg.code == 8: |
||||
message = "Confirm transaction fee on KeepKey device to continue" |
||||
elif msg.code == 7: |
||||
message = "Confirm message to sign on KeepKey device to continue" |
||||
elif msg.code == 10: |
||||
message = "Confirm address on KeepKey device to continue" |
||||
else: |
||||
message = "Check KeepKey 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 KeepKey %s" % desc) |
||||
if not pin: |
||||
return proto.Cancel() |
||||
return proto.PinMatrixAck(pin=pin) |
||||
|
||||
def callback_PassphraseRequest(self, req): |
||||
msg = _("Please enter your KeepKey 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 KeepKeyCmdLineHandler: |
||||
|
||||
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 KeepKeyQtHandler: |
||||
|
||||
def __init__(self, win): |
||||
self.win = win |
||||
self.win.connect(win, SIGNAL('keepkey_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('keepkey_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 KeepKey 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 KeepKey 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 KEEPKEY: |
||||
class QtGuiKeepKeyClient(ProtocolMixin, KeepKeyGuiMixin, BaseClient): |
||||
def call_raw(self, msg): |
||||
try: |
||||
resp = BaseClient.call_raw(self, msg) |
||||
except ConnectionError: |
||||
self.bad = True |
||||
raise |
||||
|
||||
return resp |
||||
Loading…
Reference in new issue