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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_binance_pb2 as messages
from .client import expect, session, field
@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 = messages.BinanceSignTx(
account_number=int(tx_json['account_number']),
chain_id=tx_json['chain_id'],
sequence=int(tx_json['sequence']),
source=int(tx_json['source']),
memo=tx_json['memo'],
msg_count=1,
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 "inputs" in msg:
msg = messages.BinanceTransferMsg(
inputs=[messages.BinanceTransferMsg.BinanceInputOutput(
address=msg['inputs'][0]['address'],
coins=[messages.BinanceTransferMsg.BinanceCoin(
amount=msg['inputs'][0]['coins'][0]['amount'],
denom=msg['inputs'][0]['coins'][0]['denom']
)]
)],
outputs=[messages.BinanceTransferMsg.BinanceInputOutput(
address=msg['outputs'][0]['address'],
coins=[messages.BinanceTransferMsg.BinanceCoin(
amount=msg['outputs'][0]['coins'][0]['amount'],
denom=msg['outputs'][0]['coins'][0]['denom']
)]
)]
)
else:
raise ValueError("msg type not supported")
response = client.call(msg)
if not isinstance(response, messages.BinanceSignedTx):
raise RuntimeError(
"Invalid response, expected BinanceSignedTx, received "
+ type(response).__name__
)
return response