def create_account(self):
"""
Creates an account from provided form.
Verify we can unlock it.
Disables widgets during the process, so the user doesn't try
to create another account during the process.
"""
# circular ref
from pywallet.controller import Controller
self.toggle_widgets(False)
if not self.verify_fields():
Dialog.show_invalid_form_dialog()
self.toggle_widgets(True)
return
pywalib = self.controller.pywalib
password = self.new_password1
security_ratio = self.security_slider_value
# dividing again by 10, because otherwise it's
# too slow on smart devices
security_ratio /= 10.0
Dialog.snackbar_message("Creating account...")
account = pywalib.new_account(password=password,
security_ratio=security_ratio)
Dialog.snackbar_message("Created!")
self.toggle_widgets(True)
Controller.set_account_alias(account, self.alias)
self.on_account_created(account)
CreateNewAccount.try_unlock(account, password)
self.show_redirect_dialog()
self.controller.load_landing_page()
return account
def update_password(self):
"""
Update account password with new password provided.
"""
if not self.verify_fields():
Dialog.show_invalid_form_dialog()
return
Dialog.snackbar_message("Verifying current password...")
if not self.verify_current_password_field():
Dialog.snackbar_message("Wrong account password")
return
pywalib = self.controller.pywalib
account = self.current_account
new_password = self.new_password1
Dialog.snackbar_message("Updating account...")
pywalib.update_account_password(account, new_password=new_password)
Dialog.snackbar_message("Updated!")
def unlock_send_transaction(self):
"""
Unlocks the account with password in order to sign and publish the
transaction.
"""
controller = App.get_running_app().controller
pywalib = controller.pywalib
address = to_checksum_address(self.send_to_address)
amount_eth = round(self.send_amount, ROUND_DIGITS)
amount_wei = int(amount_eth * pow(10, 18))
gas_price_gwei = Settings.get_stored_gas_price()
gas_price_wei = int(gas_price_gwei * (10 ** 9))
# TODO: not the main account, but the current account
account = controller.current_account
Dialog.snackbar_message("Unlocking account...")
try:
account.unlock(self.password)
except ValueError:
Dialog.snackbar_message("Could not unlock account")
return
Dialog.snackbar_message("Unlocked! Sending transaction...")
sender = account.address
try:
pywalib.transact(
address, value=amount_wei, data='', sender=sender,
gasprice=gas_price_wei)
except InsufficientFundsException:
Dialog.snackbar_message("Insufficient funds")
return
except UnknownEtherscanException:
Dialog.snackbar_message("Unknown error")
Logger.error('UnknownEtherscanException', exc_info=True)
return
# TODO: handle ConnectionError
Dialog.snackbar_message("Sent!")