def scan_qr(self, on_complete): if platform != 'android': return from jnius import autoclass from android import activity PythonActivity = autoclass('org.kivy.android.PythonActivity') Intent = autoclass('android.content.Intent') intent = Intent("com.google.zxing.client.android.SCAN") intent.putExtra("SCAN_MODE", "QR_CODE_MODE") def on_qr_result(requestCode, resultCode, intent): if requestCode == 0: if resultCode == -1: # RESULT_OK: contents = intent.getStringExtra("SCAN_RESULT") if intent.getStringExtra( "SCAN_RESULT_FORMAT") == 'QR_CODE': on_complete(contents) else: self.show_error( "wrong format " + intent.getStringExtra("SCAN_RESULT_FORMAT")) activity.bind(on_activity_result=on_qr_result) try: PythonActivity.mActivity.startActivityForResult(intent, 0) except: self.show_error( _('Could not start Barcode Scanner.') + ' ' + _('Please install the Barcode Scanner app from ZXing'))
def do_new(self): addr = self.get_new_address() if not addr: self.app.show_info(_('Please use the existing requests first.')) else: self.save_request() self.app.show_info(_('New request added to your list.'))
def change_password(self, cb): if self.wallet.has_password(): self.protected( _("Changing PIN code.") + '\n' + _("Enter your current PIN:"), self._change_password, (cb, )) else: self._change_password(cb, None)
def update(self): format_amount = self.app.format_amount_and_units tx_hash, self.status_str, self.description, self.can_broadcast, self.can_rbf, amount, fee, height, conf, timestamp, exp_n = self.wallet.get_tx_info( self.tx) self.tx_hash = tx_hash or '' if timestamp: self.date_str = datetime.fromtimestamp(timestamp).isoformat( ' ')[:-3] elif exp_n: self.date_str = _('Within %d blocks') % exp_n if exp_n > 0 else _( 'unknown (low fee)') else: self.date_str = '' if amount is None: self.amount_str = _("Transaction unrelated to your wallet") elif amount > 0: self.is_mine = False self.amount_str = format_amount(amount) else: self.is_mine = True self.amount_str = format_amount(-amount) self.fee_str = format_amount(fee) if fee is not None else _('unknown') self.can_sign = self.wallet.can_sign(self.tx) self.ids.output_list.update(self.tx.outputs())
def __init__(self, wizard, **kwargs): super(RestoreSeedDialog, self).__init__(wizard, **kwargs) self._test = kwargs['test'] from electrum_khc.mnemonic import Mnemonic from electrum_khc.old_mnemonic import words as old_wordlist self.words = set(Mnemonic('en').wordlist).union(set(old_wordlist)) self.ids.text_input_seed.text = test_seed if is_test else '' self.message = _('Please type your seed phrase using the virtual keyboard.') self.title = _('Enter Seed') self.ext = False
def _show_seed(self, label, password): if self.wallet.has_password() and password is None: return keystore = self.wallet.keystore try: seed = keystore.get_seed(password) passphrase = keystore.get_passphrase(password) except: self.show_error("Invalid PIN") return label.text = _('Seed') + ':\n' + seed if passphrase: label.text += '\n\n' + _('Passphrase') + ': ' + passphrase
def get_card(self, req): address = req['address'] timestamp = req.get('time', 0) amount = req.get('amount') expiration = req.get('exp', None) status = req.get('status') signature = req.get('sig') ci = self.cards.get(address) if ci is None: ci = Factory.RequestItem() ci.screen = self ci.address = address self.cards[address] = ci ci.memo = self.app.wallet.get_label(address) if amount: status = req.get('status') ci.status = request_text[status] else: received = self.app.wallet.get_addr_received(address) ci.status = self.app.format_amount_and_units(amount) ci.icon = pr_icon[status] ci.amount = self.app.format_amount_and_units(amount) if amount else _( 'No Amount') ci.date = format_time(timestamp) return ci
def unit_dialog(self, item, dt): if self._unit_dialog is None: def cb(text): self.app._set_bu(text) item.bu = self.app.base_unit self._unit_dialog = ChoiceDialog(_('Denomination'), base_units.keys(), self.app.base_unit, cb) self._unit_dialog.open()
def update(self): if not self.screen.address: self.get_new_address() else: status = self.app.wallet.get_request_status(self.screen.address) self.screen.status = _( 'Payment received') if status == PR_PAID else ''
def new_wallet(self, app, dirname): def cb(text): if text: app.load_wallet_by_name(os.path.join(dirname, text)) d = LabelDialog(_('Enter wallet name'), '', cb) d.open()
def get_card(self, tx_hash, height, conf, timestamp, value, balance): status, status_str = self.app.wallet.get_tx_status( tx_hash, height, conf, timestamp) icon = "atlas://gui/kivy/theming/light/" + TX_ICONS[status] label = self.app.wallet.get_label(tx_hash) if tx_hash else _( 'Pruned transaction outputs') date = timestamp_to_datetime(timestamp) ri = self.cards.get(tx_hash) if ri is None: ri = Factory.HistoryItem() ri.screen = self ri.tx_hash = tx_hash self.cards[tx_hash] = ri ri.icon = icon ri.date = status_str ri.message = label ri.value = value or 0 ri.amount = self.app.format_amount(value, True) if value is not None else '--' ri.confirmations = conf if self.app.fiat_unit and date: rate = self.app.fx.history_rate(date) if rate: s = self.app.fx.value_str(value, rate) ri.quote_text = '' if s is None else s + ' ' + self.app.fiat_unit return ri
def _sign_tx(self, tx, password, on_success, on_failure): try: self.wallet.sign_transaction(tx, password) except InvalidPassword: Clock.schedule_once(lambda dt: on_failure(_("Invalid PIN"))) return Clock.schedule_once(lambda dt: on_success(tx))
def on_currency(self, ccy): b = (ccy != _('None')) self.fx.set_enabled(b) if b: if ccy != self.fx.get_currency(): self.fx.set_currency(ccy) self.app.fiat_unit = ccy Clock.schedule_once(lambda dt: self.add_exchanges())
def fx_status(self): fx = self.app.fx if fx.is_enabled(): source = fx.exchange.name() ccy = fx.get_currency() return '%s [%s]' %(ccy, source) else: return _('None')
def language_dialog(self, item, dt): if self._language_dialog is None: l = self.config.get('language', 'en_UK') def cb(key): self.config.set_key("language", key, True) item.lang = self.get_language_name() self.app.language = key self._language_dialog = ChoiceDialog(_('Language'), languages, l, cb) self._language_dialog.open()
def description_dialog(self, screen): from uix.dialogs.label_dialog import LabelDialog text = screen.message def callback(text): screen.message = text d = LabelDialog(_('Enter description'), text, callback) d.open()
def on_keyboard(self, instance, key, keycode, codepoint, modifiers): if key == 27 and self.is_exit is False: self.is_exit = True self.show_info(_('Press again to exit')) return True # override settings button if key in (319, 282): #f1/settings button on android #self.gui.main_gui.toggle_settings(self) return True
def coinselect_dialog(self, item, dt): if self._coinselect_dialog is None: choosers = sorted(coinchooser.COIN_CHOOSERS.keys()) chooser_name = coinchooser.get_name(self.config) def cb(text): self.config.set_key('coin_chooser', text) item.status = text self._coinselect_dialog = ChoiceDialog(_('Coin selection'), choosers, chooser_name, cb) self._coinselect_dialog.open()
def do_delete(self, obj): from dialogs.question import Question def cb(result): if result: self.app.wallet.invoices.remove(obj.key) self.app.update_tab('invoices') d = Question(_('Delete invoice?'), cb) d.open()
def on_ref_label(self, label, touch): if label.touched: label.touched = False self.qr_dialog(label.name, label.data, True) else: label.touched = True self._clipboard.copy(label.data) Clock.schedule_once(lambda dt: self.show_info( _('Text copied to clipboard.\nTap again to display it as QR code.' )))
def show_info_bubble(self, text=_('Hello World'), pos=None, duration=0, arrow_pos='bottom_mid', width=None, icon='', modal=False, exit=False): '''Method to show a Information Bubble .. parameters:: text: Message to be displayed pos: position for the bubble duration: duration the bubble remains on screen. 0 = click to hide width: width of the Bubble arrow_pos: arrow position for the bubble ''' info_bubble = self.info_bubble if not info_bubble: info_bubble = self.info_bubble = Factory.InfoBubble() win = Window if info_bubble.parent: win.remove_widget(info_bubble if not info_bubble.modal else info_bubble._modal_view) if not arrow_pos: info_bubble.show_arrow = False else: info_bubble.show_arrow = True info_bubble.arrow_pos = arrow_pos img = info_bubble.ids.img if text == 'texture': # icon holds a texture not a source image # display the texture in full screen text = '' img.texture = icon info_bubble.fs = True info_bubble.show_arrow = False img.allow_stretch = True info_bubble.dim_background = True info_bubble.background_image = 'atlas://gui/kivy/theming/light/card' else: info_bubble.fs = False info_bubble.icon = icon #if img.texture and img._coreimage: # img.reload() img.allow_stretch = False info_bubble.dim_background = False info_bubble.background_image = 'atlas://data/images/defaulttheme/bubble' info_bubble.message = text if not pos: pos = (win.center[0], win.center[1] - (info_bubble.height / 2)) info_bubble.show(pos, duration, width, modal=modal, exit=exit)
def do_delete(self, obj): from dialogs.question import Question def cb(result): if result: self.app.wallet.remove_payment_request( obj.address, self.app.electrum_config) self.update() d = Question(_('Delete request?'), cb) d.open()
def on_complete(ok, msg): if ok: self.show_info(_('Payment sent.')) if self.send_screen: self.send_screen.do_clear() if pr: self.wallet.invoices.set_paid(pr, tx.txid()) self.wallet.invoices.save() self.update_tab('invoices') else: self.show_error(msg)
def broadcast(self, tx, pr=None): def on_complete(ok, msg): if ok: self.show_info(_('Payment sent.')) if self.send_screen: self.send_screen.do_clear() if pr: self.wallet.invoices.set_paid(pr, tx.txid()) self.wallet.invoices.save() self.update_tab('invoices') else: self.show_error(msg) if self.network and self.network.is_connected(): self.show_info(_('Sending')) threading.Thread(target=self._broadcast_thread, args=(tx, on_complete)).start() else: self.show_info( _('Cannot broadcast transaction') + ':\n' + _('Not connected'))
def label_dialog(self, obj): from dialogs.label_dialog import LabelDialog key = obj.tx_hash text = self.app.wallet.get_label(key) def callback(text): self.app.wallet.set_label(key, text) self.update() d = LabelDialog(_('Enter Transaction Label'), text, callback) d.open()
def do_send(self): if self.screen.is_pr: if self.payment_request.has_expired(): self.app.show_error(_('Payment request has expired')) return outputs = self.payment_request.get_outputs() else: address = str(self.screen.address) if not address: self.app.show_error( _('Recipient not specified.') + ' ' + _('Please scan a KHcoin address or a payment request')) return if not bitcoin.is_address(address): self.app.show_error( _('Invalid KHcoin Address') + ':\n' + address) return try: amount = self.app.get_amount(self.screen.amount) except: self.app.show_error( _('Invalid amount') + ':\n' + self.screen.amount) return outputs = [(bitcoin.TYPE_ADDRESS, address, amount)] message = unicode(self.screen.message) amount = sum(map(lambda x: x[2], outputs)) if self.app.electrum_config.get('use_rbf'): from dialogs.question import Question d = Question(_('Should this transaction be replaceable?'), lambda b: self._do_send(amount, message, outputs, b)) d.open() else: self._do_send(amount, message, outputs, False)
def _do_send(self, amount, message, outputs, rbf): # make unsigned transaction config = self.app.electrum_config coins = self.app.wallet.get_spendable_coins(None, config) try: tx = self.app.wallet.make_unsigned_transaction( coins, outputs, config, None) except NotEnoughFunds: self.app.show_error(_("Not enough funds")) return except Exception as e: traceback.print_exc(file=sys.stdout) self.app.show_error(str(e)) return if rbf: tx.set_rbf(True) fee = tx.get_fee() msg = [ _("Amount to be sent") + ": " + self.app.format_amount_and_units(amount), _("Mining fee") + ": " + self.app.format_amount_and_units(fee), ] if fee >= config.get('confirm_fee', 1000000): msg.append( _('Warning') + ': ' + _("The fee for this transaction seems unusually high.")) msg.append(_("Enter your PIN code to proceed")) self.app.protected('\n'.join(msg), self.send_tx, (tx, message))
def _change_password(self, cb, old_password): if self.wallet.has_password(): if old_password is None: return try: self.wallet.check_password(old_password) except InvalidPassword: self.show_error("Invalid PIN") return self.password_dialog(_('Enter new PIN'), self._change_password2, ( cb, old_password, ))
def __init__(self, obj, action_list): Bubble.__init__(self) self.obj = obj for k, v in action_list: l = MenuItem() l.text = _(k) def func(f=v): Clock.schedule_once(lambda dt: self.hide(), 0.1) Clock.schedule_once(lambda dt: f(obj), 0.15) l.on_release = func self.ids.buttons.add_widget(l)
def choose_blockchain_dialog(self, dt): from uix.dialogs.choice_dialog import ChoiceDialog chains = self.network.get_blockchains() def cb(name): for index, b in self.network.blockchains.items(): if name == self.network.get_blockchain_name(b): self.network.follow_chain(index) #self.block names = [self.network.blockchains[b].get_name() for b in chains] if len(names) > 1: ChoiceDialog(_('Choose your chain'), names, '', cb).open()