URI: 
       tallow several hardware cosigners in the same wallet - electrum - Electrum Bitcoin wallet
  HTML git clone https://git.parazyd.org/electrum
   DIR Log
   DIR Files
   DIR Refs
   DIR Submodules
       ---
   DIR commit 80675121ce4882aa59ab98e662a2c3e8239602c6
   DIR parent d16fb3ee482d79bf9700c48c9f11d1db024457a6
  HTML Author: ThomasV <thomasv@electrum.org>
       Date:   Mon, 22 Aug 2016 12:50:24 +0200
       
       allow several hardware cosigners in the same wallet
       
       Diffstat:
         M lib/base_wizard.py                  |      89 ++++++++++++++++++-------------
         M lib/wallet.py                       |      15 +++++++++------
         M plugins/trezor/plugin.py            |       5 +++--
         M plugins/trezor/qt_generic.py        |      30 +++++++++++++++---------------
       
       4 files changed, 78 insertions(+), 61 deletions(-)
       ---
   DIR diff --git a/lib/base_wizard.py b/lib/base_wizard.py
       t@@ -78,6 +78,7 @@ class BaseWizard(object):
                    ('standard',  _("Standard wallet")),
                    ('2fa', _("Wallet with two-factor authentication")),
                    ('multisig',  _("Multi-signature wallet")),
       +            ('imported',  _("Watch Bitcoin addresses")),
                ]
                choices = [pair for pair in wallet_kinds if pair[0] in wallet_types]
                self.choice_dialog(title=title, message=message, choices=choices, run_next=self.on_wallet_type)
       t@@ -93,26 +94,37 @@ class BaseWizard(object):
                    self.storage.put('use_trustedcoin', True)
                    self.plugin = self.plugins.load_plugin('trustedcoin')
                    action = self.storage.get_action()
       -
       +        elif choice == 'imported':
       +            action = 'import_addresses'
                self.run(action)
        
            def choose_multisig(self):
                def on_multisig(m, n):
                    self.multisig_type = "%dof%d"%(m, n)
       +            self.storage.put('wallet_type', self.multisig_type)
                    self.n = n
       +            self.keystores = []
                    self.run('choose_keystore')
                self.multisig_dialog(run_next=on_multisig)
        
            def choose_keystore(self):
                assert self.wallet_type in ['standard', 'multisig']
       -        title = _('Keystore')
       +        c = self.wallet_type == 'multisig' and len(self.keystores)>0
       +        title = _('Add cosigner') + ' %d'%len(self.keystores) if c else _('Keystore')
                message = _('Do you want to create a new seed, or to restore a wallet using an existing seed?')
       -        choices = [
       -            ('create_seed', _('Create a new seed')),
       -            ('restore_seed', _('I already have a seed')),
       -            ('restore_from_key', _('Import keys or addresses')),
       -            ('choose_hw',  _('Use hardware keystore')),
       -        ]
       +        if not c:
       +            choices = [
       +                ('create_seed', _('Create a new seed')),
       +                ('restore_seed', _('I already have a seed')),
       +                ('restore_from_key', _('Import keys')),
       +                ('choose_hw',  _('Use hardware device')),
       +            ]
       +        else:
       +            choices = [
       +                ('restore_from_key', _('Import cosigner key')),
       +                ('choose_hw',  _('Cosign with hardware device')),
       +            ]
       +
                self.choice_dialog(title=title, message=message, choices=choices, run_next=self.run)
        
            def restore_seed(self):
       t@@ -130,12 +142,18 @@ class BaseWizard(object):
                else:
                    self.create_keystore(text, None)
        
       +    def import_addresses(self):
       +        v = keystore.is_address_list
       +        title = _("Import Bitcoin Addresses")
       +        message = _("Enter a list of Bitcoin addresses. This will create a watching-only wallet.")
       +        self.restore_keys_dialog(title=title, message=message, run_next=self.on_restore, is_valid=v)
       +
            def restore_from_key(self):
                if self.wallet_type == 'standard':
                    v = keystore.is_any_key
                    title = _("Import keys")
                    message = ' '.join([
       -                _("To create a watching-only wallet, please enter your master public key (xpub), or a list of Bitcoin addresses."),
       +                _("To create a watching-only wallet, please enter your master public key (xpub)."),
                        _("To create a spending wallet, please enter a master private key (xprv), or a list of Bitcoin private keys.")
                    ])
                else:
       t@@ -179,7 +197,7 @@ class BaseWizard(object):
                derivation = bip44_derivation(int(account_id))
                plugin = self.plugins.get_plugin(self.hw_type)
                k = plugin.create_keystore(self.hw_type, derivation, self)
       -        self.create_wallet(k, None)
       +        self.on_keystore(k, None)
        
            def on_hardware_seed(self):
                self.storage.put('key_type', 'hw_seed')
       t@@ -207,46 +225,41 @@ class BaseWizard(object):
                derivation = "m/44'/0'/%d'"%account_id
                self.storage.put('account_id', account_id)
                k.add_xprv_from_seed(bip32_seed, derivation, password)
       -        self.storage.put('keystore', k.dump())
       -        self.wallet = Standard_Wallet(self.storage)
       -        self.run('create_addresses')
       +        self.on_keystore(k, password)
        
       -    def create_wallet(self, k, password):
       +    def on_keystore(self, k, password):
                if self.wallet_type == 'standard':
                    self.storage.put('keystore', k.dump())
                    self.wallet = Standard_Wallet(self.storage)
                    self.run('create_addresses')
                elif self.wallet_type == 'multisig':
       -            self.storage.put('wallet_type', self.multisig_type)
       -            self.add_cosigner(k, 0)
       -            xpub = k.get_master_public_key()
       -            self.stack = []
       -            self.run('show_xpub_and_add_cosigners', password, xpub)
        
       -    def show_xpub_and_add_cosigners(self, password, xpub):
       -        self.show_xpub_dialog(xpub=xpub, run_next=lambda x: self.run('add_cosigners', password, 1))
       -
       -    def add_cosigner(self, keystore, i):
       -        d = self.storage.get('master_public_keys', {})
       -        if keystore.xpub in d.values():
       -            raise BaseException('duplicate key')
       -        self.storage.put('x%d/'%(i+1), keystore.dump())
       +            if k.xpub in map(lambda x: x.xpub, self.keystores):
       +                raise BaseException('duplicate key')
       +            self.keystores.append(k)
       +
       +            if len(self.keystores) == 1:
       +                xpub = k.get_master_public_key()
       +                self.stack = []
       +                self.run('show_xpub_and_add_cosigners', xpub)
       +            elif len(self.keystores) < self.n:
       +                self.run('choose_keystore')
       +            else:
       +                for i, k in enumerate(self.keystores):
       +                    self.storage.put('x%d/'%(i+1), k.dump())
       +                self.storage.write()
       +                self.wallet = Multisig_Wallet(self.storage)
       +                self.run('create_addresses')
       +
       +    def show_xpub_and_add_cosigners(self, xpub):
       +        self.show_xpub_dialog(xpub=xpub, run_next=lambda x: self.run('choose_keystore'))
        
            def add_cosigners(self, password, i):
                self.add_cosigner_dialog(run_next=lambda x: self.on_cosigner(x, password, i), index=i, is_valid=keystore.is_xpub)
        
            def on_cosigner(self, text, password, i):
                k = keystore.from_text(text, password)
       -        try:
       -            self.add_cosigner(k, i)
       -        except BaseException as e:
       -            self.show_message("error:" + str(e))
       -            return
       -        if i < self.n - 1:
       -            self.run('add_cosigners', password, i+1)
       -        else:
       -            self.wallet = Multisig_Wallet(self.storage)
       -            self.create_addresses()
       +        self.on_keystore(k)
        
            def create_seed(self):
                from electrum.mnemonic import Mnemonic
       t@@ -262,7 +275,7 @@ class BaseWizard(object):
        
            def create_keystore(self, text, password):
                k = keystore.from_text(text, password)
       -        self.create_wallet(k, password)
       +        self.on_keystore(k, password)
        
            def create_addresses(self):
                def task():
   DIR diff --git a/lib/wallet.py b/lib/wallet.py
       t@@ -990,9 +990,9 @@ class Abstract_Wallet(PrintError):
                    return False
                if tx.is_complete():
                    return False
       -        # add input info. (should be done already)
       -        for txin in tx.inputs():
       -            self.add_input_info(txin)
       +        ## add input info. (should be done already)
       +        #for txin in tx.inputs():
       +        #    self.add_input_info(txin)
                can_sign = any([txin['can_sign'] for txin in tx.inputs()])
                return can_sign
        
       t@@ -1027,7 +1027,10 @@ class Abstract_Wallet(PrintError):
                # sign
                for keystore in self.get_keystores():
                    if not keystore.is_watching_only():
       -                keystore.sign_transaction(tx, password)
       +                try:
       +                    keystore.sign_transaction(tx, password)
       +                except:
       +                    print "keystore cannot sign", keystore
        
            def get_unused_addresses(self):
                # fixme: use slots from expired requests
       t@@ -1519,7 +1522,7 @@ class Multisig_Wallet(Deterministic_Wallet):
            def add_input_sig_info(self, txin, address):
                txin['derivation'] = derivation = self.get_address_index(address)
                pubkeys = self.get_pubkeys(*derivation)
       -        x_pubkeys = self.get_xpubkeys(*derivation)
       +        x_pubkeys = [k.get_xpubkey(*derivation) for k in self.get_keystores()]
                # sort pubkeys and x_pubkeys, using the order of pubkeys
                pubkeys, x_pubkeys = zip( *sorted(zip(pubkeys, x_pubkeys)))
                txin['pubkeys'] = list(pubkeys)
       t@@ -1527,7 +1530,7 @@ class Multisig_Wallet(Deterministic_Wallet):
                txin['signatures'] = [None] * len(pubkeys)
                txin['redeemScript'] = self.redeem_script(*derivation)
                txin['num_sig'] = self.m
       -
       +        txin['can_sign'] = any([x is None for x in txin['signatures']])
        
        
        
   DIR diff --git a/plugins/trezor/plugin.py b/plugins/trezor/plugin.py
       t@@ -217,7 +217,6 @@ class TrezorCompatiblePlugin(HW_PluginBase):
                devmgr = self.device_manager()
                device_info = devmgr.select_device(handler, self)
                device_id = device_info.device.id_
       -        #devmgr.pair_wallet(keystore, device_info.device.id_)
                if device_info.initialized:
                    task = lambda: self.init_xpub(derivation, device_id, handler)
                else:
       t@@ -239,7 +238,9 @@ class TrezorCompatiblePlugin(HW_PluginBase):
                if not client.atleast_version(1, 3):
                    wallet.handler.show_error(_("Your device firmware is too old"))
                    return
       -        address_path = wallet.address_id(address)
       +        change, index = wallet.get_address_index(address)
       +        derivation = wallet.keystore.derivation
       +        address_path = "%s/%d/%d"%(derivation, change, index)
                address_n = client.expand_path(address_path)
                client.get_address('Bitcoin', address_n, True)
        
   DIR diff --git a/plugins/trezor/qt_generic.py b/plugins/trezor/qt_generic.py
       t@@ -273,16 +273,16 @@ def qt_plugin_class(base_plugin_class):
        
            @hook
            def load_wallet(self, wallet, window):
       -        keystore = wallet.get_keystore()
       -        if type(keystore) != self.keystore_class:
       -            return
       -        window.tzb = StatusBarButton(QIcon(self.icon_file), self.device,
       -                                     partial(self.settings_dialog, window))
       -        window.statusBar().addPermanentWidget(window.tzb)
       -        keystore.handler = self.create_handler(window)
       -        keystore.thread = TaskThread(window, window.on_error)
       -        # Trigger a pairing
       -        keystore.thread.add(partial(self.get_client, keystore))
       +        for keystore in wallet.get_keystores():
       +            if type(keystore) != self.keystore_class:
       +                continue
       +            window.tzb = StatusBarButton(QIcon(self.icon_file), self.device,
       +                                         partial(self.settings_dialog, window))
       +            window.statusBar().addPermanentWidget(window.tzb)
       +            keystore.handler = self.create_handler(window)
       +            keystore.thread = TaskThread(window, window.on_error)
       +            # Trigger a pairing
       +            keystore.thread.add(partial(self.get_client, keystore))
        
            def create_keystore(self, hw_type, derivation, wizard):
                from electrum.keystore import hardware_keystore
       t@@ -310,11 +310,11 @@ def qt_plugin_class(base_plugin_class):
        
            @hook
            def receive_menu(self, menu, addrs, wallet):
       -        keystore = wallet.get_keystore()
       -        if type(keystore) == self.keystore_class and len(addrs) == 1:
       -            def show_address():
       -                keystore.thread.add(partial(self.show_address, wallet, addrs[0]))
       -            menu.addAction(_("Show on %s") % self.device, show_address)
       +        for keystore in wallet.get_keystores():
       +            if type(keystore) == self.keystore_class and len(addrs) == 1:
       +                def show_address():
       +                    keystore.thread.add(partial(self.show_address, wallet, addrs[0]))
       +                menu.addAction(_("Show on %s") % self.device, show_address)
        
            def settings_dialog(self, window):
                device_id = self.choose_device(window)