def main(self):
# setup Ctrl-C handling and tear-down code first, so that user can easily exit whenever
self.app.setQuitOnLastWindowClosed(
False) # so _we_ can decide whether to quit
self.app.lastWindowClosed.connect(self._maybe_quit_if_no_windows_open)
self.app.aboutToQuit.connect(self._cleanup_before_exit)
signal.signal(signal.SIGINT, lambda *args: self.app.quit())
# hook for crash reporter
Exception_Hook.maybe_setup(config=self.config)
# first-start network-setup
try:
self.init_network()
except UserCancelled:
return
except GoBack:
return
except Exception as e:
self.logger.exception('')
return
# start wizard to select/create wallet
self.timer.start()
path = self.config.get_wallet_path(use_gui_last_wallet=True)
try:
if not self.start_new_window(
path, self.config.get('url'), app_is_starting=True):
return
except Exception as e:
self.logger.error(
"error loading wallet (or creating window for it)")
send_exception_to_crash_reporter(e)
# Let Qt event loop start properly so that crash reporter window can appear.
# We will shutdown when the user closes that window, via lastWindowClosed signal.
# main loop
self.logger.info("starting Qt main loop")
self.app.exec_()
def get_max_amount(self):
from electrum.transaction import TxOutput
if run_hook('abort_send', self):
return ''
inputs = self.wallet.get_spendable_coins(None, self.electrum_config)
if not inputs:
return ''
addr = None
if self.send_screen:
addr = str(self.send_screen.screen.address)
if not addr:
addr = self.wallet.dummy_address()
outputs = [TxOutput(TYPE_ADDRESS, addr, '!')]
try:
tx = self.wallet.make_unsigned_transaction(inputs, outputs,
self.electrum_config)
except NoDynamicFeeEstimates as e:
Clock.schedule_once(
lambda dt, bound_e=e: self.show_error(str(bound_e)))
return ''
except NotEnoughFunds:
return ''
except InternalAddressCorruption as e:
self.show_error(str(e))
send_exception_to_crash_reporter(e)
return ''
amount = tx.output_value()
__, x_fee_amount = run_hook('get_tx_extra_fee', self.wallet,
tx) or (None, 0)
amount_after_all_fees = amount - x_fee_amount
return format_satoshis_plain(amount_after_all_fees,
self.decimal_point())
def on_qr_result(requestCode, resultCode, intent):
try:
if resultCode == -1: # RESULT_OK:
# this doesn't work due to some bug in jnius:
# contents = intent.getStringExtra("text")
String = autoclass("java.lang.String")
contents = intent.getStringExtra(String("text"))
on_complete(contents)
except Exception as e: # exc would otherwise get lost
send_exception_to_crash_reporter(e)
finally:
activity.unbind(on_activity_result=on_qr_result)
def load_wallet(self, wallet):
if self.wallet:
self.stop_wallet()
self.wallet = wallet
self.wallet_name = wallet.basename()
self.update_wallet()
# Once GUI has been initialized check if we want to announce something
# since the callback has been called before the GUI was initialized
if self.receive_screen:
self.receive_screen.clear()
self.update_tabs()
run_hook('load_wallet', wallet, self)
try:
wallet.try_detecting_internal_addresses_corruption()
except InternalAddressCorruption as e:
self.show_error(str(e))
send_exception_to_crash_reporter(e)
def load_wallet(self, wallet):
if self.wallet:
self.stop_wallet()
self.wallet = wallet
self.wallet_name = wallet.basename()
self.update_wallet()
# Once GUI has been initialized check if we want to announce something
# since the callback has been called before the GUI was initialized
if self.receive_screen:
self.receive_screen.clear()
self.update_tabs()
run_hook('load_wallet', wallet, self)
try:
wallet.try_detecting_internal_addresses_corruption()
except InternalAddressCorruption as e:
self.show_error(str(e))
send_exception_to_crash_reporter(e)
def get_new_address(self) -> bool:
"""Sets the address field, and returns whether the set address
is unused."""
if not self.app.wallet:
return False
self.clear()
unused = True
try:
addr = self.app.wallet.get_unused_address()
if addr is None:
addr = self.app.wallet.get_receiving_address() or ''
unused = False
except InternalAddressCorruption as e:
addr = ''
self.app.show_error(str(e))
send_exception_to_crash_reporter(e)
self.screen.address = addr
return unused
def get_new_address(self) -> bool:
"""Sets the address field, and returns whether the set address
is unused."""
if not self.app.wallet:
return False
self.clear()
unused = True
try:
addr = self.app.wallet.get_unused_address()
if addr is None:
addr = self.app.wallet.get_receiving_address() or ''
unused = False
except InternalAddressCorruption as e:
addr = ''
self.app.show_error(str(e))
send_exception_to_crash_reporter(e)
self.screen.address = addr
return unused
def get_max_amount(self):
from electrum.transaction import TxOutput
if run_hook('abort_send', self):
return ''
inputs = self.wallet.get_spendable_coins(None, self.electrum_config)
if not inputs:
return ''
addr = str(self.send_screen.screen.address) or self.wallet.dummy_address()
outputs = [TxOutput(TYPE_ADDRESS, addr, '!')]
try:
tx = self.wallet.make_unsigned_transaction(inputs, outputs, self.electrum_config)
except NoDynamicFeeEstimates as e:
Clock.schedule_once(lambda dt, bound_e=e: self.show_error(str(bound_e)))
return ''
except NotEnoughFunds:
return ''
except InternalAddressCorruption as e:
self.show_error(str(e))
send_exception_to_crash_reporter(e)
return ''
amount = tx.output_value()
__, x_fee_amount = run_hook('get_tx_extra_fee', self.wallet, tx) or (None, 0)
amount_after_all_fees = amount - x_fee_amount
return format_satoshis_plain(amount_after_all_fees, self.decimal_point())
