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307 lines
12 KiB
307 lines
12 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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import keystore |
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from wallet import Wallet, Imported_Wallet, Standard_Wallet, Multisig_Wallet, WalletStorage, wallet_types |
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from i18n import _ |
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from plugins import run_hook |
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class BaseWizard(object): |
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def __init__(self, config, network, path): |
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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 = WalletStorage(path) |
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self.wallet = None |
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self.stack = [] |
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self.plugin = None |
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def run(self, *args): |
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action = args[0] |
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args = args[1:] |
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self.stack.append((action, args)) |
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if not action: |
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return |
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if type(action) is tuple: |
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self.plugin, action = action |
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if self.plugin and hasattr(self.plugin, action): |
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f = getattr(self.plugin, action) |
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apply(f, (self,) + args) |
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elif 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 can_go_back(self): |
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return len(self.stack)>1 |
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def go_back(self): |
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if not self.can_go_back(): |
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return |
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self.stack.pop() |
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action, args = self.stack.pop() |
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self.run(action, *args) |
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def new(self): |
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name = os.path.basename(self.storage.path) |
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title = _("Welcome to the Electrum installation wizard.") |
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message = '\n'.join([ |
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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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wallet_kinds = [ |
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('standard', _("Standard wallet")), |
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('2fa', _("Wallet with two-factor authentication")), |
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('multisig', _("Multi-signature wallet")), |
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('imported', _("Watch Bitcoin addresses")), |
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] |
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choices = [pair for pair in wallet_kinds if pair[0] in wallet_types] |
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self.choice_dialog(title=title, message=message, choices=choices, run_next=self.on_wallet_type) |
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def on_wallet_type(self, choice): |
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self.wallet_type = choice |
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if choice == 'standard': |
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action = 'choose_keystore' |
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elif choice == 'multisig': |
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action = 'choose_multisig' |
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elif choice == '2fa': |
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self.storage.put('wallet_type', '2fa') |
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self.storage.put('use_trustedcoin', True) |
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self.plugin = self.plugins.load_plugin('trustedcoin') |
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action = self.storage.get_action() |
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elif choice == 'imported': |
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action = 'import_addresses' |
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self.run(action) |
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def choose_multisig(self): |
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def on_multisig(m, n): |
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self.multisig_type = "%dof%d"%(m, n) |
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self.storage.put('wallet_type', self.multisig_type) |
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self.n = n |
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self.keystores = [] |
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self.run('choose_keystore') |
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self.multisig_dialog(run_next=on_multisig) |
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def choose_keystore(self): |
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assert self.wallet_type in ['standard', 'multisig'] |
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c = self.wallet_type == 'multisig' and len(self.keystores)>0 |
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title = _('Add cosigner') + ' %d'%len(self.keystores) if c else _('Keystore') |
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message = _('Do you want to create a new seed, or to restore a wallet using an existing seed?') |
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if not c: |
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choices = [ |
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('create_seed', _('Create a new seed')), |
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('restore_seed', _('I already have a seed')), |
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('restore_from_key', _('Import keys')), |
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('choose_device', _('Use hardware device')), |
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] |
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else: |
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choices = [ |
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('restore_from_key', _('Import cosigner key')), |
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('choose_device', _('Cosign with hardware device')), |
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] |
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self.choice_dialog(title=title, message=message, choices=choices, run_next=self.run) |
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def restore_seed(self): |
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# TODO: return derivation password too |
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self.restore_seed_dialog(run_next=self.add_password, is_valid=keystore.is_seed) |
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def on_restore(self, text): |
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if keystore.is_address_list(text): |
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self.wallet = Imported_Wallet(self.storage) |
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for x in text.split(): |
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self.wallet.import_address(x) |
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self.terminate() |
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elif keystore.is_private(text): |
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self.add_password(text) |
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else: |
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self.create_keystore(text, None) |
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def import_addresses(self): |
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v = keystore.is_address_list |
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title = _("Import Bitcoin Addresses") |
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message = _("Enter a list of Bitcoin addresses. This will create a watching-only wallet.") |
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self.restore_keys_dialog(title=title, message=message, run_next=self.on_restore, is_valid=v) |
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def restore_from_key(self): |
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if self.wallet_type == 'standard': |
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v = keystore.is_any_key |
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title = _("Import keys") |
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message = ' '.join([ |
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_("To create a watching-only wallet, please enter your master public key (xpub)."), |
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_("To create a spending wallet, please enter a master private key (xprv), or a list of Bitcoin private keys.") |
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]) |
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else: |
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v = keystore.is_bip32_key |
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title = _("Master public or private key") |
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message = ' '.join([ |
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_("To create a watching-only wallet, please enter your master public key (xpub)."), |
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_("To create a spending wallet, please enter a master private key (xprv).") |
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]) |
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self.restore_keys_dialog(title=title, message=message, run_next=self.on_restore, is_valid=v) |
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def choose_device(self): |
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title = _('Hardware Keystore') |
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# check available plugins |
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support = self.plugins.get_hardware_support() |
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if not support: |
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msg = '\n'.join([ |
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_('No hardware wallet support found on your system.'), |
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_('Please install the relevant libraries (eg python-trezor for Trezor).'), |
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]) |
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self.confirm_dialog(title=title, message=msg, run_next= lambda x: self.choose_device()) |
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return |
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# scan devices |
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devices = [] |
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for name, description, plugin in support: |
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devmgr = plugin.device_manager() |
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try: |
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u = devmgr.unpaired_device_infos(self, plugin) |
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except: |
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print "error", name |
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continue |
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devices += map(lambda x: (name, x), u) |
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if not devices: |
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msg = '\n'.join([ |
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_('No hardware device detected.'), |
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_('To trigger a rescan, press \'next\'.'), |
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]) |
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self.confirm_dialog(title=title, message=msg, run_next= lambda x: self.choose_device()) |
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return |
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# select device |
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self.devices = devices |
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choices = [] |
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for name, device_info in devices: |
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choices.append( ((name, device_info), device_info.description) ) |
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msg = _('Select a device') + ':' |
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self.choice_dialog(title=title, message=msg, choices=choices, run_next=self.on_device) |
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def on_device(self, name, device_info): |
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f = lambda x: self.run('on_hardware_account_id', name, device_info, x) |
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self.account_id_dialog(run_next=f) |
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def on_hardware_account_id(self, hw_type, device_info, account_id): |
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from keystore import hardware_keystore, bip44_derivation |
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derivation = bip44_derivation(int(account_id)) |
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plugin = self.plugins.get_plugin(hw_type) |
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xpub = plugin.setup_device(device_info, derivation, self) |
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# create keystore |
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d = { |
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'type': 'hardware', |
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'hw_type': hw_type, |
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'derivation': derivation, |
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'xpub': xpub, |
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} |
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k = hardware_keystore(hw_type, d) |
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self.on_keystore(k, None) |
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def on_hardware_seed(self): |
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self.storage.put('key_type', 'hw_seed') |
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is_valid = lambda x: True #fixme: bip39 |
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f = lambda seed: self.run('on_bip39_seed', seed) |
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self.restore_seed_dialog(run_next=f, is_valid=is_valid) |
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def on_bip39_seed(self, seed): |
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f = lambda passphrase: self.run('on_bip39_passphrase', seed, passphrase) |
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self.request_passphrase(self.storage.get('hw_type'), run_next=f) |
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def on_bip39_passphrase(self, seed, passphrase): |
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f = lambda account_id: self.run('on_bip44_account_id', seed, passphrase, account_id) |
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self.account_id_dialog(run_next=f) |
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def on_bip44_account_id(self, seed, passphrase, account_id): |
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f = lambda pw: self.run('on_bip44', seed, passphrase, account_id, pw) |
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self.request_password(run_next=f) |
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def on_bip44(self, seed, passphrase, account_id, password): |
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import keystore |
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k = keystore.BIP32_KeyStore() |
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k.add_seed(seed, password) |
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bip32_seed = keystore.bip39_to_seed(seed, passphrase) |
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derivation = "m/44'/0'/%d'"%account_id |
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self.storage.put('account_id', account_id) |
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k.add_xprv_from_seed(bip32_seed, derivation, password) |
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self.on_keystore(k, password) |
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def on_keystore(self, k, password): |
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if self.wallet_type == 'standard': |
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self.storage.put('keystore', k.dump()) |
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self.wallet = Standard_Wallet(self.storage) |
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self.run('create_addresses') |
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elif self.wallet_type == 'multisig': |
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if k.xpub in map(lambda x: x.xpub, self.keystores): |
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raise BaseException('duplicate key') |
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self.keystores.append(k) |
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if len(self.keystores) == 1: |
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xpub = k.get_master_public_key() |
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self.stack = [] |
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self.run('show_xpub_and_add_cosigners', xpub) |
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elif len(self.keystores) < self.n: |
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self.run('choose_keystore') |
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else: |
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for i, k in enumerate(self.keystores): |
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self.storage.put('x%d/'%(i+1), k.dump()) |
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self.storage.write() |
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self.wallet = Multisig_Wallet(self.storage) |
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self.run('create_addresses') |
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def show_xpub_and_add_cosigners(self, xpub): |
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self.show_xpub_dialog(xpub=xpub, run_next=lambda x: self.run('choose_keystore')) |
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def add_cosigners(self, password, i): |
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self.add_cosigner_dialog(run_next=lambda x: self.on_cosigner(x, password, i), index=i, is_valid=keystore.is_xpub) |
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def on_cosigner(self, text, password, i): |
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k = keystore.from_text(text, password) |
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self.on_keystore(k) |
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def create_seed(self): |
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from electrum.mnemonic import Mnemonic |
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seed = Mnemonic('en').make_seed() |
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self.show_seed_dialog(run_next=self.confirm_seed, seed_text=seed) |
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def confirm_seed(self, seed): |
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self.confirm_seed_dialog(run_next=self.add_password, is_valid=lambda x: x==seed) |
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def add_password(self, text): |
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f = lambda pw: self.run('create_keystore', text, pw) |
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self.request_password(run_next=f) |
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def create_keystore(self, text, password): |
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k = keystore.from_text(text, password) |
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self.on_keystore(k, password) |
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def create_addresses(self): |
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def task(): |
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self.wallet.synchronize() |
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self.wallet.storage.write() |
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self.terminate() |
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msg = _("Electrum is generating your addresses, please wait.") |
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self.waiting_dialog(task, msg)
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