2016-01-30 01:33:54 -08:00
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#!/usr/bin/env python2
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# -*- mode: python -*-
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#
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# Electrum - lightweight Bitcoin client
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# Copyright (C) 2016 The Electrum developers
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import time
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from electrum.util import ThreadJob
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from electrum.plugins import BasePlugin, hook
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2016-02-06 18:47:48 -08:00
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from electrum.i18n import _
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2016-01-30 01:33:54 -08:00
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class HW_PluginBase(BasePlugin, ThreadJob):
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# Derived classes provide:
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#
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# class-static variables: client_class, firmware_URL, handler_class,
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# libraries_available, libraries_URL, minimum_firmware,
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# wallet_class, ckd_public, types, HidTransport
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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.device = self.wallet_class.device
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self.wallet_class.plugin = self
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self.prevent_timeout = time.time() + 3600 * 24 * 365
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def is_enabled(self):
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return self.libraries_available
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def device_manager(self):
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return self.parent.device_manager
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def thread_jobs(self):
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# Thread job to handle device timeouts
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return [self] if self.libraries_available else []
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def run(self):
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'''Handle device timeouts. Runs in the context of the Plugins
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thread.'''
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now = time.time()
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for wallet in self.device_manager().paired_wallets():
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if (isinstance(wallet, self.wallet_class)
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and hasattr(wallet, 'last_operation')
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and now > wallet.last_operation + wallet.session_timeout):
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wallet.timeout()
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wallet.last_operation = self.prevent_timeout
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@hook
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def close_wallet(self, wallet):
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if isinstance(wallet, self.wallet_class):
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self.device_manager().unpair_wallet(wallet)
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def on_restore_wallet(self, wallet, wizard):
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assert isinstance(wallet, self.wallet_class)
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msg = _("Enter the seed for your %s wallet:" % self.device)
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seed = wizard.request_seed(msg, is_valid = self.is_valid_seed)
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# Restored wallets are not hardware wallets
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wallet_class = self.wallet_class.restore_wallet_class
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wallet.storage.put('wallet_type', wallet_class.wallet_type)
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wallet = wallet_class(wallet.storage)
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passphrase = wizard.request_passphrase(self.device, restore=True)
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password = wizard.request_password()
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wallet.add_seed(seed, password)
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wallet.add_xprv_from_seed(seed, 'x/', password, passphrase)
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wallet.create_hd_account(password)
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return wallet
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@staticmethod
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def is_valid_seed(seed):
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return True
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