mirror of
https://github.com/trezor/trezor-firmware.git
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49 lines
1.7 KiB
Python
49 lines
1.7 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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import xdrlib
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from . import messages as proto
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def validate(transaction):
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if False in (k in transaction 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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def create_sign_tx(transaction) -> proto.RippleSignTx:
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msg = proto.RippleSignTx()
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msg.fee = transaction["Fee"]
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msg.sequence = transaction["Sequence"]
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if "Flags" in transaction:
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msg.flags = transaction["Flags"]
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if "LastLedgerSequence" in transaction:
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msg.last_ledger_sequence = transaction["LastLedgerSequence"]
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msg.payment = create_payment(transaction)
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return msg
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def create_payment(transaction) -> proto.RipplePayment:
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msg = proto.RipplePayment()
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msg.amount = transaction["Amount"]
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msg.destination = transaction["Destination"]
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return msg
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