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733 lines
25 KiB
733 lines
25 KiB
import re
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import sys
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import time
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import datetime
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import traceback
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from decimal import Decimal
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import electrum
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from electrum import WalletStorage, Wallet
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from electrum.i18n import _
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from electrum.contacts import Contacts
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from electrum.paymentrequest import InvoiceStore
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from electrum.util import profiler, InvalidPassword
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from electrum.plugins import run_hook
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from electrum.util import format_satoshis, format_satoshis_plain
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from electrum.paymentrequest import PR_UNPAID, PR_PAID, PR_UNKNOWN, PR_EXPIRED
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from kivy.app import App
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from kivy.core.window import Window
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from kivy.logger import Logger
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from kivy.utils import platform
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from kivy.properties import (OptionProperty, AliasProperty, ObjectProperty,
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StringProperty, ListProperty, BooleanProperty)
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from kivy.cache import Cache
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from kivy.clock import Clock
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from kivy.factory import Factory
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from kivy.metrics import inch, metrics
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from kivy.lang import Builder
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# lazy imports for factory so that widgets can be used in kv
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Factory.register('InstallWizard',
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module='electrum_gui.kivy.uix.dialogs.installwizard')
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Factory.register('InfoBubble', module='electrum_gui.kivy.uix.dialogs')
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Factory.register('ELTextInput', module='electrum_gui.kivy.uix.screens')
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#from kivy.core.window import Window
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#Window.softinput_mode = 'below_target'
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# delayed imports: for startup speed on android
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notification = app = ref = None
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util = False
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# register widget cache for keeping memory down timeout to forever to cache
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# the data
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Cache.register('electrum_widgets', timeout=0)
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from kivy.uix.screenmanager import Screen
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from kivy.uix.tabbedpanel import TabbedPanel
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from kivy.uix.label import Label
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from kivy.uix.checkbox import CheckBox
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from kivy.uix.switch import Switch
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from kivy.core.clipboard import Clipboard
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Factory.register('TabbedCarousel', module='electrum_gui.kivy.uix.screens')
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from electrum.util import base_units
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class ElectrumWindow(App):
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electrum_config = ObjectProperty(None)
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def _get_bu(self):
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return self.electrum_config.get('base_unit', 'mBTC')
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def _set_bu(self, value):
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assert value in base_units.keys()
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self.electrum_config.set_key('base_unit', value, True)
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self.update_status()
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if self.history_screen:
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self.history_screen.update()
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base_unit = AliasProperty(_get_bu, _set_bu)
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status = StringProperty('')
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fiat_unit = StringProperty('')
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def decimal_point(self):
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return base_units[self.base_unit]
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def btc_to_fiat(self, amount_str):
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if not amount_str:
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return ''
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rate = run_hook('exchange_rate')
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if not rate:
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return ''
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fiat_amount = self.get_amount(amount_str + ' ' + self.base_unit) * rate / pow(10, 8)
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return "{:.2f}".format(fiat_amount).rstrip('0').rstrip('.')
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def fiat_to_btc(self, fiat_amount):
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if not fiat_amount:
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return ''
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rate = run_hook('exchange_rate')
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if not rate:
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return ''
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satoshis = int(pow(10,8) * Decimal(fiat_amount) / Decimal(rate))
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return format_satoshis_plain(satoshis, self.decimal_point())
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def get_amount(self, amount_str):
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a, u = amount_str.split()
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assert u == self.base_unit
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try:
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x = Decimal(a)
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except:
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return None
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p = pow(10, self.decimal_point())
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return int(p * x)
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hierarchy = ListProperty([])
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'''used to navigate with the back button.
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'''
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_orientation = OptionProperty('landscape',
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options=('landscape', 'portrait'))
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def _get_orientation(self):
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return self._orientation
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orientation = AliasProperty(_get_orientation,
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None,
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bind=('_orientation',))
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'''Tries to ascertain the kind of device the app is running on.
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Cane be one of `tablet` or `phone`.
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:data:`orientation` is a read only `AliasProperty` Defaults to 'landscape'
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'''
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_ui_mode = OptionProperty('phone', options=('tablet', 'phone'))
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def _get_ui_mode(self):
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return self._ui_mode
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ui_mode = AliasProperty(_get_ui_mode,
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None,
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bind=('_ui_mode',))
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'''Defines tries to ascertain the kind of device the app is running on.
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Cane be one of `tablet` or `phone`.
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:data:`ui_mode` is a read only `AliasProperty` Defaults to 'phone'
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'''
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url = StringProperty('', allownone=True)
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'''
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'''
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wallet = ObjectProperty(None)
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'''Holds the electrum wallet
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:attr:`wallet` is a `ObjectProperty` defaults to None.
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'''
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def __init__(self, **kwargs):
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# initialize variables
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self._clipboard = Clipboard
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self.info_bubble = None
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self.qrscanner = None
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self.nfcscanner = None
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self.tabs = None
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self.receive_address = None
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self.current_invoice = None
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super(ElectrumWindow, self).__init__(**kwargs)
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title = _('Electrum App')
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self.electrum_config = config = kwargs.get('config', None)
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self.network = network = kwargs.get('network', None)
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self.plugins = kwargs.get('plugins', [])
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self.gui_object = kwargs.get('gui_object', None)
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#self.config = self.gui_object.config
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self.contacts = Contacts(self.electrum_config)
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self.invoices = InvoiceStore(self.electrum_config)
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self.bind(url=self.set_URI)
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# were we sent a url?
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url = self.electrum_config.get('url', None)
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if url:
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self.set_URI(url)
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# create triggers so as to minimize updation a max of 2 times a sec
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self._trigger_update_wallet =\
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Clock.create_trigger(self.update_wallet, .5)
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self._trigger_update_status =\
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Clock.create_trigger(self.update_status, .5)
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self._trigger_notify_transactions = \
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Clock.create_trigger(self.notify_transactions, 5)
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def get_receive_address(self):
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return self.receive_address if self.receive_address else self.wallet.get_unused_address(None)
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def do_pay(self, obj):
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pr = self.invoices.get(obj.key)
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self.on_pr(pr)
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def on_pr(self, pr):
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if pr.verify(self.contacts):
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key = self.invoices.add(pr)
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self.invoices_screen.update()
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status = self.invoices.get_status(key)
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if status == PR_PAID:
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self.show_error("invoice already paid")
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self.send_screen.do_clear()
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else:
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if pr.has_expired():
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self.show_error(_('Payment request has expired'))
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else:
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self.current_invoice = pr
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self.update_tab('send')
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self.switch_to('send')
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else:
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self.show_error("invoice error:" + pr.error)
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self.send_screen.do_clear()
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def set_URI(self, url):
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try:
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url = electrum.util.parse_URI(url, self.on_pr)
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except:
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self.show_info("Invalid URI", url)
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return
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self.send_screen.set_URI(url)
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def update_tab(self, name):
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s = getattr(self, name + '_screen', None)
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if s:
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s.update()
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@profiler
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def update_tabs(self):
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for tab in ['invoices', 'send', 'history', 'receive', 'requests']:
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self.update_tab(tab)
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def switch_to(self, name):
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tab = self.tabs.ids[name + '_tab']
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self.tabs.ids.panel.switch_to(tab)
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def show_request(self, addr):
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self.receive_address = addr
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self.update_tab('receive')
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self.switch_to('receive')
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def scan_qr(self, on_complete):
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from jnius import autoclass
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from android import activity
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PythonActivity = autoclass('org.renpy.android.PythonActivity')
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Intent = autoclass('android.content.Intent')
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intent = Intent("com.google.zxing.client.android.SCAN")
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intent.putExtra("SCAN_MODE", "QR_CODE_MODE")
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def on_qr_result(requestCode, resultCode, intent):
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if requestCode == 0:
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if resultCode == -1: # RESULT_OK:
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contents = intent.getStringExtra("SCAN_RESULT")
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if intent.getStringExtra("SCAN_RESULT_FORMAT") == 'QR_CODE':
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on_complete(contents)
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activity.bind(on_activity_result=on_qr_result)
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PythonActivity.mActivity.startActivityForResult(intent, 0)
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def build(self):
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return Builder.load_file('gui/kivy/main.kv')
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def _pause(self):
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if platform == 'android':
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# move activity to back
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from jnius import autoclass
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python_act = autoclass('org.renpy.android.PythonActivity')
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mActivity = python_act.mActivity
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mActivity.moveTaskToBack(True)
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def on_start(self):
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''' This is the start point of the kivy ui
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'''
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Logger.info("dpi: {} {}".format(metrics.dpi, metrics.dpi_rounded))
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win = Window
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win.bind(size=self.on_size,
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on_keyboard=self.on_keyboard)
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win.bind(on_key_down=self.on_key_down)
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# Register fonts without this you won't be able to use bold/italic...
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# inside markup.
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from kivy.core.text import Label
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Label.register('Roboto',
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'data/fonts/Roboto.ttf',
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'data/fonts/Roboto.ttf',
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'data/fonts/Roboto-Bold.ttf',
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'data/fonts/Roboto-Bold.ttf')
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if platform == 'android':
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# bind to keyboard height so we can get the window contents to
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# behave the way we want when the keyboard appears.
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win.bind(keyboard_height=self.on_keyboard_height)
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self.on_size(win, win.size)
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self.init_ui()
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self.load_wallet_by_name(self.electrum_config.get_wallet_path())
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def load_wallet_by_name(self, wallet_path):
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if not wallet_path:
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return
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self.stop_wallet()
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config = self.electrum_config
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storage = WalletStorage(wallet_path)
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Logger.info('Electrum: Check for existing wallet')
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if storage.file_exists:
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wallet = Wallet(storage)
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action = wallet.get_action()
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else:
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action = 'new'
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if action is not None:
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# start installation wizard
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Logger.debug('Electrum: Wallet not found. Launching install wizard')
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wizard = Factory.InstallWizard(config, self.network, storage)
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wizard.bind(on_wizard_complete=lambda instance, wallet: self.load_wallet(wallet))
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wizard.run(action)
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else:
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wallet.start_threads(self.network)
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self.load_wallet(wallet)
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self.on_resume()
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def create_wallet_dialog(self, l):
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from uix.dialogs.label_dialog import LabelDialog
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def f(text):
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if text:
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l.text = text
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d = LabelDialog(_('Enter wallet name'), '', f)
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d.open()
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def on_stop(self):
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self.stop_wallet()
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def stop_wallet(self):
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if self.wallet:
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self.wallet.stop_threads()
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def on_back(self):
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try:
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self.hierarchy.pop()()
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except IndexError:
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# capture back button and pause app.
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self._pause()
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def on_keyboard_height(self, window, height):
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win = window
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active_widg = win.children[0]
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if not issubclass(active_widg.__class__, Factory.Popup):
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try:
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active_widg = self.root.children[0]
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except IndexError:
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return
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try:
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fw = self._focused_widget
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except AttributeError:
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return
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if height > 0 and fw.to_window(*fw.pos)[1] > height:
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return
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Factory.Animation(y=win.keyboard_height, d=.1).start(active_widg)
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def on_key_down(self, instance, key, keycode, codepoint, modifiers):
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if 'ctrl' in modifiers:
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# q=24 w=25
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if keycode in (24, 25):
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self.stop()
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elif keycode == 27:
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# r=27
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# force update wallet
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self.update_wallet()
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elif keycode == 112:
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# pageup
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#TODO move to next tab
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pass
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elif keycode == 117:
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# pagedown
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#TODO move to prev tab
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pass
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#TODO: alt+tab_number to activate the particular tab
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def on_keyboard(self, instance, key, keycode, codepoint, modifiers):
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# override settings button
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if key in (319, 282): #f1/settings button on android
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self.gui.main_gui.toggle_settings(self)
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return True
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def popup_dialog(self, name):
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if name == 'settings':
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from uix.dialogs.settings import SettingsDialog
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d = SettingsDialog(self)
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d.open()
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elif name == 'wallets':
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from uix.dialogs.wallets import WalletDialog
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d = WalletDialog()
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d.open()
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else:
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popup = Builder.load_file('gui/kivy/uix/ui_screens/'+name+'.kv')
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popup.open()
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@profiler
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def init_ui(self):
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''' Initialize The Ux part of electrum. This function performs the basic
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tasks of setting up the ui.
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'''
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from weakref import ref
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self.funds_error = False
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# setup UX
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self.screens = {}
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#setup lazy imports for mainscreen
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Factory.register('AnimatedPopup',
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module='electrum_gui.kivy.uix.dialogs')
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Factory.register('QRCodeWidget',
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module='electrum_gui.kivy.uix.qrcodewidget')
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# preload widgets. Remove this if you want to load the widgets on demand
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#Cache.append('electrum_widgets', 'AnimatedPopup', Factory.AnimatedPopup())
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#Cache.append('electrum_widgets', 'QRCodeWidget', Factory.QRCodeWidget())
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# load and focus the ui
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self.root.manager = self.root.ids['manager']
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self.recent_activity_card = None
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self.history_screen = None
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self.contacts_screen = None
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self.icon = "icons/electrum.png"
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# connect callbacks
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if self.network:
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interests = ['updated', 'status', 'new_transaction']
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self.network.register_callback(self.on_network, interests)
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#self.wallet = None
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self.tabs = self.root.ids['tabs']
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def on_network(self, event, *args):
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if event == 'updated':
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self._trigger_update_wallet()
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elif event == 'status':
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self._trigger_update_status()
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elif event == 'new_transaction':
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self._trigger_notify_transactions(*args)
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@profiler
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def load_wallet(self, wallet):
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self.wallet = wallet
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self.current_account = self.wallet.storage.get('current_account', None)
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self.update_wallet()
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# Once GUI has been initialized check if we want to announce something
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# since the callback has been called before the GUI was initialized
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self.update_tabs()
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self.notify_transactions()
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run_hook('load_wallet', wallet, self)
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|
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def update_status(self, *dt):
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if not self.wallet:
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return
|
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if self.network is None or not self.network.is_running():
|
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self.status = _("Offline")
|
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elif self.network.is_connected():
|
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server_height = self.network.get_server_height()
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server_lag = self.network.get_local_height() - server_height
|
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if not self.wallet.up_to_date or server_height == 0:
|
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self.status = _("Synchronizing...")
|
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elif server_lag > 1:
|
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self.status = _("Server lagging (%d blocks)"%server_lag)
|
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else:
|
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c, u, x = self.wallet.get_account_balance(self.current_account)
|
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text = self.format_amount(c+x+u)
|
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self.status = text.strip() + ' ' + self.base_unit
|
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else:
|
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self.status = _("Not connected")
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|
|
|
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def get_max_amount(self):
|
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inputs = self.wallet.get_spendable_coins(None)
|
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amount, fee = self.wallet.get_max_amount(self.electrum_config, inputs, None)
|
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return format_satoshis_plain(amount, self.decimal_point())
|
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|
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def format_amount(self, x, is_diff=False, whitespaces=False):
|
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return format_satoshis(x, is_diff, 0, self.decimal_point(), whitespaces)
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|
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def format_amount_and_units(self, x):
|
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return format_satoshis_plain(x, self.decimal_point()) + ' ' + self.base_unit
|
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|
|
@profiler
|
|
def update_wallet(self, *dt):
|
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self._trigger_update_status()
|
|
#if self.wallet.up_to_date or not self.network or not self.network.is_connected():
|
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self.update_tabs()
|
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|
|
|
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@profiler
|
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def notify_transactions(self, *dt):
|
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'''
|
|
'''
|
|
if not self.network or not self.network.is_connected():
|
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return
|
|
# temporarily disabled for merge
|
|
return
|
|
iface = self.network
|
|
ptfn = iface.pending_transactions_for_notifications
|
|
if len(ptfn) > 0:
|
|
# Combine the transactions if there are more then three
|
|
tx_amount = len(ptfn)
|
|
if(tx_amount >= 3):
|
|
total_amount = 0
|
|
for tx in ptfn:
|
|
is_relevant, is_mine, v, fee = self.wallet.get_tx_value(tx)
|
|
if(v > 0):
|
|
total_amount += v
|
|
self.notify(_("{txs}s new transactions received. Total amount"
|
|
"received in the new transactions {amount}s"
|
|
"{unit}s").format(txs=tx_amount,
|
|
amount=self.format_amount(total_amount),
|
|
unit=self.base_unit()))
|
|
|
|
iface.pending_transactions_for_notifications = []
|
|
else:
|
|
for tx in iface.pending_transactions_for_notifications:
|
|
if tx:
|
|
iface.pending_transactions_for_notifications.remove(tx)
|
|
is_relevant, is_mine, v, fee = self.wallet.get_tx_value(tx)
|
|
if(v > 0):
|
|
self.notify(
|
|
_("{txs} new transaction received. {amount} {unit}").
|
|
format(txs=tx_amount, amount=self.format_amount(v),
|
|
unit=self.base_unit))
|
|
|
|
def notify(self, message):
|
|
try:
|
|
global notification, os
|
|
if not notification:
|
|
from plyer import notification
|
|
import os
|
|
icon = (os.path.dirname(os.path.realpath(__file__))
|
|
+ '/../../' + self.icon)
|
|
notification.notify('Electrum', message,
|
|
app_icon=icon, app_name='Electrum')
|
|
except ImportError:
|
|
Logger.Error('Notification: needs plyer; `sudo pip install plyer`')
|
|
|
|
def on_pause(self):
|
|
'''
|
|
'''
|
|
# pause nfc
|
|
if self.qrscanner:
|
|
self.qrscanner.stop()
|
|
if self.nfcscanner:
|
|
self.nfcscanner.nfc_disable()
|
|
return True
|
|
|
|
def on_resume(self):
|
|
'''
|
|
'''
|
|
if self.qrscanner and qrscanner.get_parent_window():
|
|
self.qrscanner.start()
|
|
if self.nfcscanner:
|
|
self.nfcscanner.nfc_enable()
|
|
|
|
def on_size(self, instance, value):
|
|
width, height = value
|
|
self._orientation = 'landscape' if width > height else 'portrait'
|
|
self._ui_mode = 'tablet' if min(width, height) > inch(3.51) else 'phone'
|
|
#Logger.info("size: {} {}".format(width, height))
|
|
#Logger.info('orientation: {}'.format(self._orientation))
|
|
#Logger.info('ui_mode: {}'.format(self._ui_mode))
|
|
|
|
def save_new_contact(self, address, label):
|
|
address = unicode(address)
|
|
label = unicode(label)
|
|
global is_valid
|
|
if not is_valid:
|
|
from electrum.bitcoin import is_valid
|
|
|
|
if is_valid(address):
|
|
if label:
|
|
self.set_label(address, text=label)
|
|
self.wallet.add_contact(address)
|
|
self.update_contacts_tab()
|
|
self.update_history_tab()
|
|
else:
|
|
self.show_error(_('Invalid Address'))
|
|
|
|
|
|
def set_send(self, address, amount, label, message):
|
|
self.send_payment(address, amount=amount, label=label, message=message)
|
|
|
|
|
|
def set_frozen(self, entry, frozen):
|
|
if frozen:
|
|
entry.disabled = True
|
|
Factory.Animation(opacity=0).start(content)
|
|
else:
|
|
entry.disabled = False
|
|
Factory.Animation(opacity=1).start(content)
|
|
|
|
|
|
def show_error(self, error, width='200dp', pos=None, arrow_pos=None,
|
|
exit=False, icon='atlas://gui/kivy/theming/light/error', duration=0,
|
|
modal=False):
|
|
''' Show a error Message Bubble.
|
|
'''
|
|
self.show_info_bubble( text=error, icon=icon, width=width,
|
|
pos=pos or Window.center, arrow_pos=arrow_pos, exit=exit,
|
|
duration=duration, modal=modal)
|
|
|
|
def show_info(self, error, width='200dp', pos=None, arrow_pos=None,
|
|
exit=False, duration=0, modal=False):
|
|
''' Show a Info Message Bubble.
|
|
'''
|
|
self.show_error(error, icon='atlas://gui/kivy/theming/light/error',
|
|
duration=duration, modal=modal, exit=exit, pos=pos,
|
|
arrow_pos=arrow_pos)
|
|
|
|
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 tx_details_dialog(self, obj):
|
|
popup = Builder.load_file('gui/kivy/uix/ui_screens/transaction.kv')
|
|
popup.tx_hash = obj.tx_hash
|
|
popup.open()
|
|
|
|
def address_dialog(self, screen):
|
|
pass
|
|
|
|
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()
|
|
|
|
@profiler
|
|
def amount_dialog(self, screen, show_max):
|
|
from uix.dialogs.amount_dialog import AmountDialog
|
|
amount = screen.amount
|
|
if amount:
|
|
amount, u = str(amount).split()
|
|
assert u == self.base_unit
|
|
def cb(amount):
|
|
screen.amount = amount
|
|
popup = AmountDialog(show_max, amount, cb)
|
|
popup.open()
|
|
|
|
def protected(self, f, args):
|
|
if self.wallet.use_encryption:
|
|
self.password_dialog(_('Enter PIN'), f, args)
|
|
else:
|
|
apply(f, args + (None,))
|
|
|
|
def change_password(self):
|
|
self.protected(self._change_password, ())
|
|
|
|
def _change_password(self, old_password):
|
|
if self.wallet.use_encryption:
|
|
try:
|
|
self.wallet.check_password(old_password)
|
|
except InvalidPassword:
|
|
self.show_error("Invalid PIN")
|
|
return
|
|
self.password_dialog(_('Enter new PIN'), self._change_password2, (old_password,))
|
|
|
|
def _change_password2(self, old_password, new_password):
|
|
self.password_dialog(_('Confirm new PIN'), self._change_password3, (old_password, new_password))
|
|
|
|
def _change_password3(self, old_password, new_password, confirmed_password):
|
|
if new_password == confirmed_password:
|
|
self.wallet.update_password(old_password, new_password)
|
|
else:
|
|
self.show_error("PIN numbers do not match")
|
|
|
|
def password_dialog(self, title, f, args):
|
|
from uix.dialogs.password_dialog import PasswordDialog
|
|
def callback(pw):
|
|
Clock.schedule_once(lambda x: apply(f, args + (pw,)), 0.1)
|
|
popup = PasswordDialog(title, callback)
|
|
popup.open()
|
|
|
|
|