1
0
mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-18 05:28:40 +00:00
trezor-firmware/trezorlib/ripple.py
2018-08-10 15:48:39 +02:00

55 lines
2.0 KiB
Python

# This file is part of the Trezor project.
#
# Copyright (C) 2012-2018 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 <https://www.gnu.org/licenses/lgpl-3.0.html>.
from . import messages
from .tools import expect
@expect(messages.RippleAddress, field="address")
def get_address(client, address_n, show_display=False):
return client.call(
messages.RippleGetAddress(
address_n=address_n, show_display=show_display))
@expect(messages.RippleSignedTx)
def sign_tx(client, address_n, msg: messages.RippleSignTx):
msg.address_n = address_n
return client.call(msg)
def create_sign_tx_msg(transaction) -> messages.RippleSignTx:
if not all(transaction.get(k) for k in ("Fee", "Sequence", "TransactionType", "Amount", "Destination")):
raise ValueError("Some of the required fields missing (Fee, Sequence, TransactionType, Amount, Destination")
if transaction["TransactionType"] != "Payment":
raise ValueError("Only Payment transaction type is supported")
return messages.RippleSignTx(
fee=transaction.get("Fee"),
sequence=transaction.get("Sequence"),
flags=transaction.get("Flags"),
last_ledger_sequence=transaction.get("LastLedgerSequence"),
payment=_create_payment(transaction),
)
def _create_payment(transaction) -> messages.RipplePayment:
return messages.RipplePayment(
amount=transaction.get("Amount"),
destination=transaction.get("Destination")
)