mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-11-26 01:18:28 +00:00
93 lines
2.9 KiB
Python
93 lines
2.9 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 typing import List
|
|
|
|
from . import messages, tools
|
|
from .tools import expect, session
|
|
|
|
REQUIRED_FIELDS_TRANSACTION = ("inputs", "outputs", "transactions")
|
|
REQUIRED_FIELDS_INPUT = ("path", "prev_hash", "prev_index", "type")
|
|
|
|
|
|
@expect(messages.CardanoAddress, field="address")
|
|
def get_address(client, address_n, show_display=False):
|
|
return client.call(
|
|
messages.CardanoGetAddress(address_n=address_n, show_display=show_display)
|
|
)
|
|
|
|
|
|
@expect(messages.CardanoPublicKey)
|
|
def get_public_key(client, address_n):
|
|
return client.call(messages.CardanoGetPublicKey(address_n=address_n))
|
|
|
|
|
|
@session
|
|
def sign_tx(
|
|
client,
|
|
inputs: List[messages.CardanoTxInputType],
|
|
outputs: List[messages.CardanoTxOutputType],
|
|
transactions: List[bytes],
|
|
protocol_magic,
|
|
):
|
|
response = client.call(
|
|
messages.CardanoSignTx(
|
|
inputs=inputs,
|
|
outputs=outputs,
|
|
transactions_count=len(transactions),
|
|
protocol_magic=protocol_magic,
|
|
)
|
|
)
|
|
|
|
while isinstance(response, messages.CardanoTxRequest):
|
|
tx_index = response.tx_index
|
|
|
|
transaction_data = bytes.fromhex(transactions[tx_index])
|
|
ack_message = messages.CardanoTxAck(transaction=transaction_data)
|
|
response = client.call(ack_message)
|
|
|
|
return response
|
|
|
|
|
|
def create_input(input) -> messages.CardanoTxInputType:
|
|
if not all(input.get(k) is not None for k in REQUIRED_FIELDS_INPUT):
|
|
raise ValueError("The input is missing some fields")
|
|
|
|
path = input["path"]
|
|
|
|
return messages.CardanoTxInputType(
|
|
address_n=tools.parse_path(path),
|
|
prev_hash=bytes.fromhex(input["prev_hash"]),
|
|
prev_index=input["prev_index"],
|
|
type=input["type"],
|
|
)
|
|
|
|
|
|
def create_output(output) -> messages.CardanoTxOutputType:
|
|
if not output.get("amount") or not (output.get("address") or output.get("path")):
|
|
raise ValueError("The output is missing some fields")
|
|
|
|
if output.get("path"):
|
|
path = output["path"]
|
|
|
|
return messages.CardanoTxOutputType(
|
|
address_n=tools.parse_path(path), amount=int(output["amount"])
|
|
)
|
|
|
|
return messages.CardanoTxOutputType(
|
|
address=output["address"], amount=int(output["amount"])
|
|
)
|