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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-15 20:19:23 +00:00
trezor-firmware/common/tools/coins_details.py
2019-08-31 23:43:17 +02:00

430 lines
13 KiB
Python
Executable File

#!/usr/bin/env python3
"""Fetch information about coins and tokens supported by Trezor and update it in coins_details.json."""
import json
import logging
import os
import sys
import time
import click
import requests
import coin_info
LOG = logging.getLogger(__name__)
OPTIONAL_KEYS = ("links", "notes", "wallet")
ALLOWED_SUPPORT_STATUS = ("yes", "no", "planned", "soon")
WALLETS = coin_info.load_json("wallets.json")
OVERRIDES = coin_info.load_json("coins_details.override.json")
VERSIONS = coin_info.latest_releases()
COINMAKETCAP_CACHE = os.path.join(os.path.dirname(__file__), "coinmarketcap.json")
COINMARKETCAP_API_BASE = "https://pro-api.coinmarketcap.com/v1/"
MARKET_CAPS = {}
# automatic wallet entries
WALLET_TREZOR = {"Trezor": "https://wallet.trezor.io"}
WALLET_TREZOR_NEXT = {"Trezor Beta": "https://beta-wallet.trezor.io/next/"}
WALLET_NEM = {"Nano Wallet": "https://nem.io/downloads/"}
WALLETS_ETH_3RDPARTY = {
"MyEtherWallet": "https://www.myetherwallet.com",
"MyCrypto": "https://mycrypto.com",
}
WALLETS_ETH_NATIVE = WALLETS_ETH_3RDPARTY.copy()
WALLETS_ETH_NATIVE.update(WALLET_TREZOR_NEXT)
TREZOR_KNOWN_URLS = (
"https://wallet.trezor.io",
"https://beta-wallet.trezor.io/next/",
"https://trezor.io/stellar/",
"https://omnitrezor.com/",
)
def coinmarketcap_call(endpoint, api_key, params=None):
url = COINMARKETCAP_API_BASE + endpoint
r = requests.get(url, params=params, headers={"X-CMC_PRO_API_KEY": api_key})
r.raise_for_status()
return r.json()
def coinmarketcap_init(api_key, refresh=None):
global MARKET_CAPS
force_refresh = refresh is True
disable_refresh = refresh is False
try:
try:
mtime = os.path.getmtime(COINMAKETCAP_CACHE)
except FileNotFoundError:
mtime = 0
cache_is_fresh = mtime > time.time() - 3600
if disable_refresh or (cache_is_fresh and not force_refresh):
print("Using cached market cap data")
with open(COINMAKETCAP_CACHE) as f:
coinmarketcap_data = json.load(f)
else:
print("Fetching market cap data")
coinmarketcap_data = coinmarketcap_call(
"cryptocurrency/listings/latest",
api_key,
params={"limit": 5000, "convert": "USD"},
)
by_id = {str(coin["id"]): coin for coin in coinmarketcap_data["data"]}
all_ids = list(by_id.keys())
while all_ids:
first_100 = all_ids[:100]
all_ids = all_ids[100:]
time.sleep(1)
print("Fetching metadata, {} coins remaining...".format(len(all_ids)))
metadata = coinmarketcap_call(
"cryptocurrency/info", api_key, params={"id": ",".join(first_100)}
)
for coin_id, meta in metadata["data"].items():
by_id[coin_id]["meta"] = meta
with open(COINMAKETCAP_CACHE, "w") as f:
json.dump(coinmarketcap_data, f)
except Exception as e:
raise RuntimeError("market cap data unavailable") from e
coin_data = {}
for coin in coinmarketcap_data["data"]:
slug = coin["slug"]
platform = coin["meta"]["platform"]
market_cap = coin["quote"]["USD"]["market_cap"]
if market_cap is not None:
coin_data[slug] = int(market_cap)
if platform is not None and platform["name"] == "Ethereum":
address = platform["token_address"].lower()
coin_data[address] = int(market_cap)
MARKET_CAPS = coin_data
return coin_data
def marketcap(coin):
cap = None
if coin["type"] == "erc20":
address = coin["address"].lower()
return MARKET_CAPS.get(address)
if "coinmarketcap_alias" in coin:
cap = MARKET_CAPS.get(coin["coinmarketcap_alias"])
if cap is None:
slug = coin["name"].replace(" ", "-").lower()
cap = MARKET_CAPS.get(slug)
if cap is None:
cap = MARKET_CAPS.get(coin["shortcut"].lower())
return cap
def update_marketcaps(coins):
for coin in coins.values():
coin["marketcap_usd"] = marketcap(coin) or 0
def summary(coins, api_key):
t1_coins = 0
t2_coins = 0
supported_marketcap = 0
for coin in coins.values():
if coin.get("hidden"):
continue
t1_enabled = coin["t1_enabled"] == "yes"
t2_enabled = coin["t2_enabled"] == "yes"
if t1_enabled:
t1_coins += 1
if t2_enabled:
t2_coins += 1
if t1_enabled or t2_enabled:
supported_marketcap += coin.get("marketcap_usd", 0)
total_marketcap = None
try:
ret = coinmarketcap_call("global-metrics/quotes/latest", api_key)
total_marketcap = int(ret["data"]["quote"]["USD"]["total_market_cap"])
except Exception:
pass
return dict(
updated_at=int(time.time()),
updated_at_readable=time.asctime(),
t1_coins=t1_coins,
t2_coins=t2_coins,
marketcap_usd=supported_marketcap,
total_marketcap_usd=total_marketcap,
marketcap_supported="{:.02f} %".format(
100 * supported_marketcap / total_marketcap
),
)
def _is_supported(support, trezor_version):
version = VERSIONS[trezor_version]
nominal = support.get(trezor_version)
if nominal is None:
return "no"
elif isinstance(nominal, bool):
return "yes" if nominal else "no"
try:
nominal_version = tuple(map(int, nominal.split(".")))
return "yes" if nominal_version <= version else "soon"
except ValueError:
return nominal
def _webwallet_support(coin, support):
"""Check the "webwallet" support property.
If set, check that at least one of the backends run on trezor.io.
If yes, assume we support the coin in our wallet.
Otherwise it's probably working with a custom backend, which means don't
link to our wallet.
"""
if not support.get("webwallet"):
return False
return any(".trezor.io" in url for url in coin["blockbook"] + coin["bitcore"])
def dict_merge(orig, new):
if isinstance(new, dict) and isinstance(orig, dict):
for k, v in new.items():
orig[k] = dict_merge(orig.get(k), v)
return orig
else:
return new
def update_simple(coins, support_info, type):
res = {}
for coin in coins:
key = coin["key"]
support = support_info[key]
details = dict(
name=coin["name"],
shortcut=coin["shortcut"],
type=type,
t1_enabled=_is_supported(support, "trezor1"),
t2_enabled=_is_supported(support, "trezor2"),
wallet={},
)
for k in OPTIONAL_KEYS:
if k in coin:
details[k] = coin[k]
details["wallet"].update(WALLETS.get(key, {}))
res[key] = details
return res
def update_bitcoin(coins, support_info):
res = update_simple(coins, support_info, "coin")
for coin in coins:
key = coin["key"]
support = support_info[key]
details = dict(
name=coin["coin_label"],
links=dict(Homepage=coin["website"], Github=coin["github"]),
wallet=WALLET_TREZOR if _webwallet_support(coin, support) else {},
)
dict_merge(res[key], details)
return res
def update_erc20(coins, networks, support_info):
# TODO skip disabled networks?
network_support = {n["chain"]: support_info.get(n["key"]) for n in networks}
network_testnets = {n["chain"] for n in networks if "Testnet" in n["name"]}
res = update_simple(coins, support_info, "erc20")
for coin in coins:
key = coin["key"]
chain = coin["chain"]
hidden = False
if chain in network_testnets:
hidden = True
if "deprecation" in coin:
hidden = True
if network_support.get(chain, {}).get("webwallet"):
wallets = WALLETS_ETH_NATIVE
else:
wallets = WALLETS_ETH_3RDPARTY
details = dict(
network=chain,
address=coin["address"],
shortcut=coin["shortcut"],
links={},
wallet=wallets,
)
if hidden:
details["hidden"] = True
if coin.get("website"):
details["links"]["Homepage"] = coin["website"]
if coin.get("social", {}).get("github"):
details["links"]["Github"] = coin["social"]["github"]
dict_merge(res[key], details)
return res
def update_ethereum_networks(coins, support_info):
res = update_simple(coins, support_info, "coin")
for coin in coins:
key = coin["key"]
if support_info[key].get("webwallet"):
wallets = WALLETS_ETH_NATIVE
else:
wallets = WALLETS_ETH_3RDPARTY
details = dict(links=dict(Homepage=coin.get("url")), wallet=wallets)
dict_merge(res[key], details)
return res
def update_nem_mosaics(coins, support_info):
res = update_simple(coins, support_info, "mosaic")
for coin in coins:
key = coin["key"]
details = dict(wallet=WALLET_NEM)
dict_merge(res[key], details)
return res
def check_missing_data(coins):
for k, coin in coins.items():
hide = False
if "Homepage" not in coin.get("links", {}):
level = logging.WARNING
if k.startswith("erc20:"):
level = logging.INFO
LOG.log(level, f"{k}: Missing homepage")
hide = True
if coin["t1_enabled"] not in ALLOWED_SUPPORT_STATUS:
LOG.warning(f"{k}: Unknown t1_enabled")
hide = True
if coin["t2_enabled"] not in ALLOWED_SUPPORT_STATUS:
LOG.warning(f"{k}: Unknown t2_enabled")
hide = True
# check wallets
for wallet in coin["wallet"]:
name = wallet.get("name")
url = wallet.get("url")
if not name or not url:
LOG.warning(f"{k}: Bad wallet entry")
hide = True
continue
if "trezor" in name.lower() and url not in TREZOR_KNOWN_URLS:
LOG.warning(f"{k}: Strange URL for Trezor Wallet")
if coin["t1_enabled"] == "no" and coin["t2_enabled"] == "no":
LOG.info(f"{k}: Coin not enabled on either device")
hide = True
if len(coin.get("wallet", [])) == 0:
LOG.debug(f"{k}: Missing wallet")
if "Testnet" in coin["name"] or "Regtest" in coin["name"]:
LOG.debug(f"{k}: Hiding testnet")
hide = True
if not hide and coin.get("hidden"):
LOG.info(f"{k}: Details are OK, but coin is still hidden")
if hide:
coin["hidden"] = 1
# summary of hidden coins
hidden_coins = [k for k, coin in coins.items() if coin.get("hidden")]
for key in hidden_coins:
del coins[key]
LOG.debug(f"{key}: Coin is hidden")
def apply_overrides(coins):
for key, override in OVERRIDES.items():
if key not in coins:
LOG.warning(f"override without coin: {key}")
continue
dict_merge(coins[key], override)
def finalize_wallets(coins):
def sort_key(w):
if "trezor.io" in w["url"]:
return 0, w["name"]
else:
return 1, w["name"]
for coin in coins.values():
wallets_list = [
dict(name=name, url=url) for name, url in coin["wallet"].items()
]
wallets_list.sort(key=sort_key)
coin["wallet"] = wallets_list
@click.command()
# fmt: off
@click.option("-r", "--refresh", "refresh", flag_value=True, default=None, help="Force refresh market cap info")
@click.option("-R", "--no-refresh", "refresh", flag_value=False, default=None, help="Force use cached market cap info")
@click.option("-A", "--api-key", required=True, envvar="COINMARKETCAP_API_KEY", help="Coinmarketcap API key")
@click.option("-v", "--verbose", is_flag=True, help="Display more info")
# fmt: on
def main(refresh, api_key, verbose):
# setup logging
log_level = logging.DEBUG if verbose else logging.WARNING
root = logging.getLogger()
root.setLevel(log_level)
handler = logging.StreamHandler(sys.stdout)
handler.setLevel(log_level)
root.addHandler(handler)
coinmarketcap_init(api_key, refresh=refresh)
defs = coin_info.coin_info()
support_info = coin_info.support_info(defs)
coins = {}
coins.update(update_bitcoin(defs.bitcoin, support_info))
coins.update(update_erc20(defs.erc20, defs.eth, support_info))
coins.update(update_ethereum_networks(defs.eth, support_info))
coins.update(update_nem_mosaics(defs.nem, support_info))
coins.update(update_simple(defs.misc, support_info, "coin"))
apply_overrides(coins)
finalize_wallets(coins)
update_marketcaps(coins)
check_missing_data(coins)
info = summary(coins, api_key)
details = dict(coins=coins, info=info)
print(json.dumps(info, sort_keys=True, indent=4))
with open(os.path.join(coin_info.DEFS_DIR, "coins_details.json"), "w") as f:
json.dump(details, f, sort_keys=True, indent=4)
f.write("\n")
if __name__ == "__main__":
main()