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https://github.com/trezor/trezor-firmware.git
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48 lines
1.8 KiB
Python
48 lines
1.8 KiB
Python
# This file is part of the Trezor project.
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#
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# Copyright (C) 2012-2018 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 messages
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from .protobuf import dict_to_proto
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from .tools import dict_from_camelcase, expect
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REQUIRED_FIELDS = ("Fee", "Sequence", "TransactionType", "Payment")
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REQUIRED_PAYMENT_FIELDS = ("Amount", "Destination")
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@expect(messages.RippleAddress, field="address")
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def get_address(client, address_n, show_display=False):
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return client.call(
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messages.RippleGetAddress(address_n=address_n, show_display=show_display)
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)
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@expect(messages.RippleSignedTx)
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def sign_tx(client, address_n, msg: messages.RippleSignTx):
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msg.address_n = address_n
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return client.call(msg)
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def create_sign_tx_msg(transaction) -> messages.RippleSignTx:
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if not all(transaction.get(k) for k in REQUIRED_FIELDS):
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raise ValueError("Some of the required fields missing")
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if not all(transaction["Payment"].get(k) for k in REQUIRED_PAYMENT_FIELDS):
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raise ValueError("Some of the required payment fields missing")
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if transaction["TransactionType"] != "Payment":
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raise ValueError("Only Payment transaction type is supported")
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converted = dict_from_camelcase(transaction)
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return dict_to_proto(messages.RippleSignTx, converted)
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