mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-21 05:48:23 +00:00
136 lines
4.3 KiB
Python
Executable File
136 lines
4.3 KiB
Python
Executable File
#!/usr/bin/env python3
|
|
# 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>.
|
|
|
|
import json
|
|
import sys
|
|
from decimal import Decimal
|
|
from pathlib import Path
|
|
|
|
import click
|
|
import requests
|
|
|
|
from trezorlib import btc, messages, protobuf
|
|
|
|
REPOSITORY_ROOT = Path(__file__).resolve().parent.parent
|
|
TOOLS_PATH = REPOSITORY_ROOT / "common" / "tools"
|
|
CACHE_PATH = Path(__file__).resolve().parent / "txcache"
|
|
|
|
sys.path.insert(0, str(TOOLS_PATH))
|
|
from coin_info import coin_info # isort:skip
|
|
|
|
|
|
def _get_blockbooks():
|
|
"""Make a list of blockbook URL patterns available.
|
|
|
|
Only used to prefill the BLOCKBOOKS variable.
|
|
"""
|
|
coins = coin_info().bitcoin
|
|
res = {}
|
|
for coin in coins:
|
|
if not coin.get("blockbook"):
|
|
continue
|
|
|
|
res[coin["coin_name"].lower()] = coin["blockbook"][0] + "/api/tx-specific/{}"
|
|
return res
|
|
|
|
|
|
BLOCKBOOKS = _get_blockbooks()
|
|
|
|
|
|
class TxCache:
|
|
def __init__(self, coin_name: str) -> None:
|
|
self.slug = coin_name.lower().replace(" ", "_")
|
|
|
|
def get_tx(self, txhash: str) -> messages.TransactionType:
|
|
try:
|
|
(CACHE_PATH / self.slug).mkdir()
|
|
except Exception:
|
|
pass
|
|
|
|
cache_file = CACHE_PATH / self.slug / f"{txhash}.json"
|
|
if not cache_file.exists():
|
|
raise RuntimeError(
|
|
f"cache miss for {self.slug} tx {txhash}.\n"
|
|
"To fix, refer to ./tests/tx_cache.py --help"
|
|
)
|
|
|
|
txdict = json.loads(cache_file.read_text())
|
|
return protobuf.dict_to_proto(messages.TransactionType, txdict)
|
|
|
|
def __getitem__(self, key: bytes) -> messages.TransactionType:
|
|
return self.get_tx(key.hex())
|
|
|
|
def __contains__(self, key: bytes) -> bool:
|
|
try:
|
|
self.get_tx(key.hex())
|
|
return True
|
|
except Exception:
|
|
return False
|
|
|
|
|
|
@click.command()
|
|
@click.argument("coin_name")
|
|
@click.argument("tx", metavar="TXHASH_OR_URL")
|
|
def cli(tx, coin_name):
|
|
"""Add a transaction to the cache.
|
|
|
|
\b
|
|
Without URL, default blockbook server will be used:
|
|
./tests/tx_cache.py bcash bc37c28dfb467d2ecb50261387bf752a3977d7e5337915071bb4151e6b711a78
|
|
It is also possible to specify URL explicitly:
|
|
./tests/tx_cache.py bcash https://bch1.trezor.io/api/tx-specific/bc37c28dfb467d2ecb50261387bf752a3977d7e5337915071bb4151e6b711a78
|
|
|
|
The transaction will be parsed into Trezor format and saved in
|
|
tests/txcache/<COIN_NAME>/<TXHASH>.json. Note that only Bitcoin-compatible fields
|
|
will be filled out. If you are adding a coin with special fields (Dash, Zcash...),
|
|
it is your responsibility to fill out the missing fields properly.
|
|
"""
|
|
if tx.startswith("http"):
|
|
tx_url = tx
|
|
tx_hash = tx.split("/")[-1].lower()
|
|
|
|
elif coin_name not in BLOCKBOOKS:
|
|
raise click.ClickException(
|
|
f"Could not find blockbook for {coin_name}. Please specify a full URL."
|
|
)
|
|
|
|
else:
|
|
tx_hash = tx.lower()
|
|
tx_url = BLOCKBOOKS[coin_name].format(tx)
|
|
|
|
click.echo(f"Fetching from {tx_url}...")
|
|
try:
|
|
# Get transaction from Blockbook server. The servers refuse requests with an empty user agent.
|
|
tx_src = requests.get(tx_url, headers={"user-agent": "tx_cache"}).json(
|
|
parse_float=Decimal
|
|
)
|
|
tx_proto = btc.from_json(tx_src)
|
|
tx_dict = protobuf.to_dict(tx_proto)
|
|
tx_json = json.dumps(tx_dict, sort_keys=True, indent=2) + "\n"
|
|
except Exception as e:
|
|
raise click.ClickException(str(e)) from e
|
|
|
|
cache_dir = CACHE_PATH / coin_name
|
|
if not cache_dir.exists():
|
|
cache_dir.mkdir()
|
|
(cache_dir / f"{tx_hash}.json").write_text(tx_json)
|
|
click.echo(tx_json)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
cli()
|