# This file is part of the Trezor project. # # Copyright (C) 2012-2019 SatoshiLabs and contributors # # This library is free software: you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License version 3 # as published by the Free Software Foundation. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Lesser General Public License for more details. # # You should have received a copy of the License along with this library. # If not, see . from . import exceptions, messages from .protobuf import dict_to_proto from .tools import dict_from_camelcase, expect, normalize_nfc @expect(messages.LiskAddress, field="address") def get_address(client, n, show_display=False): return client.call(messages.LiskGetAddress(address_n=n, show_display=show_display)) @expect(messages.LiskPublicKey) def get_public_key(client, n, show_display=False): return client.call( messages.LiskGetPublicKey(address_n=n, show_display=show_display) ) @expect(messages.LiskMessageSignature) def sign_message(client, n, message): message = normalize_nfc(message) return client.call(messages.LiskSignMessage(address_n=n, message=message)) def verify_message(client, pubkey, signature, message): message = normalize_nfc(message) try: resp = client.call( messages.LiskVerifyMessage( signature=signature, public_key=pubkey, message=message ) ) except exceptions.TrezorFailure: return False return isinstance(resp, messages.Success) RENAMES = {"lifetime": "life_time", "keysgroup": "keys_group"} @expect(messages.LiskSignedTx) def sign_tx(client, n, transaction): transaction = dict_from_camelcase(transaction, renames=RENAMES) msg = dict_to_proto(messages.LiskTransactionCommon, transaction) return client.call(messages.LiskSignTx(address_n=n, transaction=msg))