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

89 lines
2.7 KiB
Python

# This file is part of the Trezor project.
#
# Copyright (C) 2012-2022 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 typing import TYPE_CHECKING
from . import messages
from .protobuf import dict_to_proto
from .tools import expect, session
if TYPE_CHECKING:
from .client import TrezorClient
from .protobuf import MessageType
from .tools import Address
@expect(messages.BinanceAddress, field="address", ret_type=str)
def get_address(
client: "TrezorClient",
address_n: "Address",
show_display: bool = False,
chunkify: bool = False,
) -> "MessageType":
return client.call(
messages.BinanceGetAddress(
address_n=address_n, show_display=show_display, chunkify=chunkify
)
)
@expect(messages.BinancePublicKey, field="public_key", ret_type=bytes)
def get_public_key(
client: "TrezorClient", address_n: "Address", show_display: bool = False
) -> "MessageType":
return client.call(
messages.BinanceGetPublicKey(address_n=address_n, show_display=show_display)
)
@session
def sign_tx(
client: "TrezorClient", address_n: "Address", tx_json: dict, chunkify: bool = False
) -> messages.BinanceSignedTx:
msg = tx_json["msgs"][0]
tx_msg = tx_json.copy()
tx_msg["msg_count"] = 1
tx_msg["address_n"] = address_n
tx_msg["chunkify"] = chunkify
envelope = dict_to_proto(messages.BinanceSignTx, tx_msg)
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