def scan_qr(self, on_complete):
flag = True
try:
if platform != 'android':
return
from jnius import autoclass
from android import activity
flag = False
except Exception as e:
pass
finally:
if flag:
self.show_info(_('Please install the Barcode Scanner app'))
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'))
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 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 CommerciumElectro address or a payment request'
))
return
if not bitcoin.is_address(address):
self.app.show_error(
_('Invalid CommerciumElectro 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 = self.screen.message
amount = sum(map(lambda x: x[2], outputs))
self._do_send(amount, message, outputs)
def update(self):
format_amount = self.app.format_amount_and_units
tx_hash, self.status_str, self.description, self.can_broadcast, 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 derivation_dialog_other(self, f, default_derivation):
message = '\n'.join([
_('Enter your wallet derivation here.'),
_('If you are not sure what this is, leave this field unchanged.')
])
self.line_dialog(run_next=f, title=_('Derivation'), message=message,
default=default_derivation,
test=bitcoin.is_bip32_derivation)
def derivation_dialog(self, f):
default = bip44_derivation(0)
message = '\n'.join([
_('Enter your wallet derivation here.'),
_('If you are not sure what this is, leave this field unchanged.'),
_("If you want the wallet to use legacy CommerciumElectro addresses use m/44'/0'/0'"),
_("If you want the wallet to use Bitcoin Cash addresses use m/44'/145'/0'")
])
self.line_dialog(run_next=f, title=_('Derivation'), message=message, default=default,
test=bitcoin.is_bip32_derivation)
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 confirm_passphrase(self, seed, passphrase):
f = lambda x: self.run('create_keystore', seed, x)
if passphrase:
title = _('Confirm Seed Extension')
message = '\n'.join([
_('Your seed extension must be saved together with your seed.'),
_('Please type it here.'),
])
self.line_dialog(run_next=f, title=title, message=message, default='', test=lambda x: x == passphrase)
else:
f('')
def restore_from_key(self):
if self.wallet_type == 'standard':
v = keystore.is_master_key
title = _("Create keystore from a master key")
message = ' '.join([
_("To create a watching-only wallet, please enter your master public key (xpub/ypub/zpub)."),
_("To create a spending wallet, please enter a master private key (xprv/yprv/zprv).")
])
self.add_xpub_dialog(title=title, message=message, run_next=self.on_restore_from_key, is_valid=v)
else:
i = len(self.keystores) + 1
self.add_cosigner_dialog(index=i, run_next=self.on_restore_from_key, is_valid=keystore.is_bip32_key)
def passphrase_dialog(self, run_next):
title = _('Seed extension')
message = '\n'.join([
_('You may extend your seed with custom words.'),
_('Your seed extension must be saved together with your seed.'),
])
warning = '\n'.join([
_('Note that this is NOT your encryption password.'),
_('If you do not know what this is, leave this field empty.'),
])
self.line_dialog(title=title, message=message, warning=warning, default='', test=lambda x: True,
run_next=run_next)
def new(self):
name = os.path.basename(self.storage.path)
title = _("Create") + ' ' + name
message = '\n'.join([
_("What kind of wallet do you want to create ?")
])
wallet_kinds = [
('standard', _("Standard wallet")),
# ('multisig', _("Multi-signature wallet")),
('imported', _("Import CommerciumElectro addresses or private keys")),
]
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)
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, 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
amount = self.app.format_amount(value,
True) if value is not None else '--'
ri.amount = amount[:-1] if amount.endswith(".") else amount
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 update(self):
self.menu_actions = [('Receive', self.do_show),
('Details', self.do_view)]
wallet = self.app.wallet
if not hasattr(wallet, 'change_addresses'):
wallet.change_addresses = []
if not hasattr(wallet, 'receiving_addresses'):
wallet.receiving_addresses = []
_list = wallet.change_addresses if self.screen.show_change else wallet.receiving_addresses
search = self.screen.message
container = self.screen.ids.search_container
container.clear_widgets()
n = 0
for address in _list:
label = wallet.labels.get(address, '')
balance = sum(wallet.get_addr_balance(address))
is_used = wallet.is_used(address)
if self.screen.show_used == 1 and (balance or is_used):
continue
if self.screen.show_used == 2 and balance == 0:
continue
if self.screen.show_used == 3 and not is_used:
continue
card = self.get_card(address, balance, is_used, label)
if search and not self.ext_search(card, search):
continue
container.add_widget(card)
n += 1
if not n:
msg = _('No address matching your search')
container.add_widget(EmptyLabel(text=msg))
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 on_qr(self, data):
from commerciumelectro.bitcoin import base_decode, is_address
data = data.strip()
if is_address(data):
self.set_URI(data)
return
if data.startswith('cmm:'):
self.set_URI(data)
return
# try to decode transaction
from commerciumelectro.transaction import Transaction
from commerciumelectro.util import bh2u
try:
text = bh2u(base_decode(data, None, base=43))
tx = Transaction(text)
tx.deserialize()
if self.wallet:
my_coins = self.wallet.get_spendable_coins(None, self.electrum_config)
my_outpoints = [vin['prevout_hash'] + ':' + str(vin['prevout_n']) for vin in my_coins]
for i, txin in enumerate(tx.inputs()):
outpoint = txin['prevout_hash'] + ':' + str(txin['prevout_n'])
if outpoint in my_outpoints:
my_index = my_outpoints.index(outpoint)
tx._inputs[i]['value'] = my_coins[my_index]['value']
except:
tx = None
if tx:
self.tx_dialog(tx)
return
# show error
self.show_error(_("Unable to decode QR data"))
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 __init__(self, wizard, **kwargs):
super(RestoreSeedDialog, self).__init__(wizard, **kwargs)
self._test = kwargs['test']
from commerciumelectro.mnemonic import Mnemonic
from commerciumelectro.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
# Modifying the style of the input method
for line in [self.ids.line1, self.ids.line2, self.ids.line3]:
for c in line.children:
if isinstance(c, Button):
c.font_size = '20sp'
c.font_name = 'gui/kivy/data/fonts/SourceHanSansK-Bold.ttf'
def create_addresses(self):
def task():
self.wallet.synchronize()
self.wallet.storage.write()
self.terminate()
msg = _("CommerciumElectro wallet is generating your addresses, please wait.")
self.waiting_dialog(task, msg)
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"))
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 request_password(self, run_next):
def callback(pin):
if pin:
self.run('confirm_password', pin, run_next)
else:
run_next(None, None)
self.password_dialog(_('Choose a PIN code'), callback)
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 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 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 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 export_private_keys(self, pk_label, addr):
def show_private_key(addr, pk_label, password):
if self.wallet.has_password() and password is None:
return
key = str(self.wallet.export_private_key(addr, password)[0])
pk_label.data = key
self.protected(_("Enter your PIN code in order to decrypt your private key"), show_private_key,
(addr, pk_label))
def confirm_password(self, pin, run_next):
def callback(conf):
if conf == pin:
run_next(pin, False)
else:
self.show_error(_('PIN mismatch'))
self.run('request_password', run_next)
self.password_dialog(_('Confirm your PIN code'), callback)
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 description_dialog(self, screen, title="Enter description"):
if title == "Enter description":
title = _("Enter description")
from .uix.dialogs.label_dialog import LabelDialog
text = screen.message
def callback(text):
screen.message = text
d = LabelDialog(title, text, callback)
d.open()