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167 lines
6.6 KiB
167 lines
6.6 KiB
#!/usr/bin/env python
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#
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# Electrum - lightweight Bitcoin client
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# Copyright (C) 2016 Thomas Voegtlin
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#
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# Permission is hereby granted, free of charge, to any person
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# obtaining a copy of this software and associated documentation files
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# (the "Software"), to deal in the Software without restriction,
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# including without limitation the rights to use, copy, modify, merge,
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# publish, distribute, sublicense, and/or sell copies of the Software,
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# and to permit persons to whom the Software is furnished to do so,
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# subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be
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# included in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
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# BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
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# ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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# SOFTWARE.
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import os
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from electrum.wallet import Wallet, Multisig_Wallet
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from electrum_gui.kivy.i18n import _
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class BaseWizard(object):
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def __init__(self, config, network, storage):
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super(BaseWizard, self).__init__()
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self.config = config
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self.network = network
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self.storage = storage
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self.wallet = None
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def run(self, action, *args):
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'''Entry point of our Installation wizard'''
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if not action:
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return
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if hasattr(self, action):
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f = getattr(self, action)
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apply(f, *args)
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else:
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raise BaseException("unknown action", action)
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def new(self):
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name = os.path.basename(self.storage.path)
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msg = "\n".join([
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_("Welcome to the Electrum installation wizard."),
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_("The wallet '%s' does not exist.") % name,
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_("What kind of wallet do you want to create?")
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])
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choices = [
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(_('Standard wallet'), 'create_standard'),
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(_('Multi-signature wallet'), 'create_multisig'),
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]
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self.choice_dialog(msg=msg, choices=choices, run_prev=self.cancel, run_next=self.run)
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def choose_seed(self):
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msg = ' '.join([
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_("Do you want to create a new seed, or to restore a wallet using an existing seed?")
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])
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choices = [
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(_('Create a new seed'), 'create_seed'),
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(_('I already have a seed'), 'restore_seed'),
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(_('Watching-only wallet'), 'restore_xpub')
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]
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self.choice_dialog(msg=msg, choices=choices, run_prev=self.new, run_next=self.run)
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def create_multisig(self):
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def f(m, n):
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self.wallet_type = "%dof%d"%(m, n)
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self.run('choose_seed')
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name = os.path.basename(self.storage.path)
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self.multisig_dialog(run_prev=self.new, run_next=f)
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def restore_seed(self):
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msg = _('Please type your seed phrase using the virtual keyboard.')
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self.restore_seed_dialog(run_prev=self.new, run_next=self.enter_pin, test=Wallet.is_seed, message=msg)
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def restore_xpub(self):
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title = "MASTER PUBLIC KEY"
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message = _('To create a watching-only wallet, paste your master public key, or scan it using the camera button.')
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self.add_xpub_dialog(run_prev=self.new, run_next=lambda xpub: self.create_wallet(xpub, None), title=title, message=message, test=Wallet.is_mpk)
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def create_standard(self):
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self.wallet_type = 'standard'
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self.run('choose_seed')
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def create_wallet(self, text, password):
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if self.wallet_type == 'standard':
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self.wallet = Wallet.from_text(text, password, self.storage)
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self.run('create_addresses')
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else:
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self.storage.put('wallet_type', self.wallet_type)
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self.wallet = Multisig_Wallet(self.storage)
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self.wallet.add_seed(text, password)
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self.wallet.create_master_keys(password)
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action = self.wallet.get_action()
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self.run(action)
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def add_cosigners(self):
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xpub = self.wallet.master_public_keys.get('x1/')
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self.show_xpub_dialog(run_prev=self.create_multisig, run_next=self.add_cosigner, xpub=xpub, test=Wallet.is_xpub)
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def add_cosigner(self):
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def on_xpub(xpub):
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self.wallet.add_cosigner(xpub)
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i = self.wallet.get_missing_cosigner()
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action = 'add_cosigner' if i else 'create_main_account'
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self.run(action)
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title = "ADD COSIGNER"
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message = _('Please paste your cosigners master public key, or scan it using the camera button.')
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self.add_xpub_dialog(run_prev=self.add_cosigners, run_next=on_xpub, title=title, message=message, test=Wallet.is_xpub)
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def create_main_account(self):
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self.wallet.create_main_account()
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self.run('create_addresses')
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def create_addresses(self):
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def task():
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self.wallet.create_main_account()
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self.wallet.synchronize()
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msg= _("Electrum is generating your addresses, please wait.")
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self.waiting_dialog(task, msg, on_complete=self.terminate)
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def create_seed(self):
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from electrum.wallet import BIP32_Wallet
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seed = BIP32_Wallet.make_seed()
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msg = _("If you forget your PIN or lose your device, your seed phrase will be the "
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"only way to recover your funds.")
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self.show_seed_dialog(run_prev=self.new, run_next=self.confirm_seed, message=msg, seed_text=seed)
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def confirm_seed(self, seed):
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assert Wallet.is_seed(seed)
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msg = _('Please retype your seed phrase, to confirm that you properly saved it')
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self.restore_seed_dialog(run_prev=self.create_seed, run_next=self.enter_pin, test=lambda x: x==seed, message=msg)
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def enter_pin(self, seed):
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def callback(pin):
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action = 'confirm_pin' if pin else 'create_wallet'
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self.run(action, (seed, pin))
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self.password_dialog('Choose a PIN code', callback)
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def confirm_pin(self, seed, pin):
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def callback(conf):
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if conf == pin:
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self.run('create_wallet', (seed, pin))
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else:
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self.show_error(_('PIN mismatch'))
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self.run('enter_pin', (seed,))
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self.password_dialog('Confirm your PIN code', callback)
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def terminate(self):
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self.wallet.start_threads(self.network)
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self.dispatch('on_wizard_complete', self.wallet)
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def cancel(self):
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self.dispatch('on_wizard_complete', None)
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return True
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