mirror of
https://github.com/trezor/trezor-firmware.git
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61 lines
2.1 KiB
Python
61 lines
2.1 KiB
Python
# This file is part of the Trezor project.
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#
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# Copyright (C) 2012-2019 SatoshiLabs and contributors
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#
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# This library is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License version 3
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# as published by the Free Software Foundation.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser General Public License for more details.
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#
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# You should have received a copy of the License along with this library.
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# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
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from . import exceptions, messages
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from .protobuf import dict_to_proto
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from .tools import dict_from_camelcase, expect, normalize_nfc
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@expect(messages.LiskAddress, field="address")
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def get_address(client, n, show_display=False):
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return client.call(messages.LiskGetAddress(address_n=n, show_display=show_display))
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@expect(messages.LiskPublicKey)
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def get_public_key(client, n, show_display=False):
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return client.call(
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messages.LiskGetPublicKey(address_n=n, show_display=show_display)
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)
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@expect(messages.LiskMessageSignature)
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def sign_message(client, n, message):
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message = normalize_nfc(message)
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return client.call(messages.LiskSignMessage(address_n=n, message=message))
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def verify_message(client, pubkey, signature, message):
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message = normalize_nfc(message)
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try:
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resp = client.call(
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messages.LiskVerifyMessage(
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signature=signature, public_key=pubkey, message=message
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)
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)
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except exceptions.TrezorFailure:
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return False
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return isinstance(resp, messages.Success)
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RENAMES = {"lifetime": "life_time", "keysgroup": "keys_group"}
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@expect(messages.LiskSignedTx)
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def sign_tx(client, n, transaction):
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transaction = dict_from_camelcase(transaction, renames=RENAMES)
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msg = dict_to_proto(messages.LiskTransactionCommon, transaction)
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return client.call(messages.LiskSignTx(address_n=n, transaction=msg))
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