mirror of
https://github.com/trezor/trezor-firmware.git
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57 lines
2.0 KiB
Python
57 lines
2.0 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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import base64
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import struct
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from . import messages
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from .tools import expect
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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(
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address_n=address_n, show_display=show_display))
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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 ("Fee", "Sequence", "TransactionType", "Amount", "Destination")):
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raise ValueError("Some of the required fields missing (Fee, Sequence, TransactionType, Amount, Destination")
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if transaction["TransactionType"] != "Payment":
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raise ValueError("Only Payment transaction type is supported")
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return messages.RippleSignTx(
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fee=transaction.get("Fee"),
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sequence=transaction.get("Sequence"),
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flags=transaction.get("Flags"),
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last_ledger_sequence=transaction.get("LastLedgerSequence"),
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payment=_create_payment(transaction),
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)
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def _create_payment(transaction) -> messages.RipplePayment:
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return messages.RipplePayment(
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amount=transaction.get("Amount"),
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destination=transaction.get("Destination")
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)
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