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trezor-firmware/python/src/trezorlib/binance.py

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# This file is part of the Trezor project.
#
# Copyright (C) 2012-2019 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 .protobuf import dict_to_proto
from .tools import expect, session
@expect(messages.BinanceAddress, field="address")
def get_address(client, address_n, show_display=False):
return client.call(
messages.BinanceGetAddress(address_n=address_n, show_display=show_display)
)
@expect(messages.BinancePublicKey, field="public_key")
def get_public_key(client, address_n, show_display=False):
return client.call(
messages.BinanceGetPublicKey(address_n=address_n, show_display=show_display)
)
@session
def sign_tx(client, address_n, tx_json):
msg = tx_json["msgs"][0]
envelope = dict_to_proto(messages.BinanceSignTx, tx_json)
envelope.msg_count = 1
envelope.address_n = address_n
response = client.call(envelope)
if not isinstance(response, messages.BinanceTxRequest):
raise RuntimeError(
"Invalid response, expected BinanceTxRequest, received "
+ type(response).__name__
)
if "refid" in msg:
msg = dict_to_proto(messages.BinanceCancelMsg, msg)
elif "inputs" in msg:
msg = dict_to_proto(messages.BinanceTransferMsg, msg)
elif "ordertype" in msg:
msg = dict_to_proto(messages.BinanceOrderMsg, msg)
else:
raise ValueError("can not determine msg type")
response = client.call(msg)
if not isinstance(response, messages.BinanceSignedTx):
raise RuntimeError(
"Invalid response, expected BinanceSignedTx, received "
+ type(response).__name__
)
return response