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mirror of https://github.com/trezor/trezor-firmware.git synced 2024-11-15 20:19:23 +00:00
trezor-firmware/coins_details.py

122 lines
3.6 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 time
import json
import requests
import pprint
SKIP_COINMARKETCAP = False
def coinmarketcap_info(shortcut):
if SKIP_COINMARKETCAP:
raise Exception("Skipping coinmarketcap call")
shortcut = shortcut.replace(' ', '-')
url = 'https://api.coinmarketcap.com/v1/ticker/%s/?convert=USD' % shortcut
ret = requests.get(url)
data = ret.json()
try:
return data[0]
except:
print("Cannot fetch info for %s" % shortcut)
def update_marketcap(obj, shortcut):
try:
obj['marketcap_usd'] = int(float(coinmarketcap_info(shortcut)['market_cap_usd']))
except:
pass
def coinmarketcap_global():
if SKIP_COINMARKETCAP:
raise Exception("Skipping coinmarketcap call")
url = 'https://api.coinmarketcap.com/v1/global'
ret = requests.get(url)
data = ret.json()
return data
def set_default(obj, key, default_value):
obj[key] = obj.setdefault(key, default_value)
def update_info(details):
details['info']['updated_at'] = int(time.time())
details['info']['updated_at_readable'] = time.asctime()
details['info']['coins'] = len(details['coins'])
try:
details['info']['total_marketcap_usd'] = int(coinmarketcap_global()['total_market_cap_usd'])
except:
pass
marketcap = 0
for c in details['coins']:
marketcap += details['coins'][c].setdefault('marketcap_usd', 0)
details['info']['marketcap_usd'] = marketcap
def update_coins(details):
coins = json.load(open('coins.json', 'r'))
for coin in coins:
if coin['firmware'] != 'stable':
continue
print("Updating", coin['coin_label'], coin['coin_shortcut'])
out = details['coins'].setdefault(coin['coin_shortcut'], {})
out['shortcut'] = coin['coin_shortcut']
out['type'] = 'coin'
set_default(out, 'name', coin['coin_label'])
set_default(out, 't1_enabled', 'yes')
set_default(out, 't2_enabled', 'yes')
update_marketcap(out, coin['coin_label'])
#pprint.pprint(coin)
def update_erc20(details):
# FIXME Parse tokens using trezor-common/ethereum_tokens-gen.py
r = requests.get('https://raw.githubusercontent.com/trezor/trezor-core/master/src/apps/ethereum/tokens.py')
d = {}
exec(r.text, d)
for t in d['tokens']:
token = t[2]
print('Updating', token)
out = details['coins'].setdefault(token, {})
out['type'] = 'erc20'
out['chain_id'] = t[0]
set_default(out, 't1_enabled', 'yes')
set_default(out, 't2_enabled', 'yes')
def update_ethereum(details):
print('Updating Ethereum ETH')
out = details['coins'].setdefault('ETH', {})
out['name'] = 'Ethereum'
out['type'] = 'coin'
set_default(out, 't1_enabled', 'yes')
set_default(out, 't2_enabled', 'yes')
update_marketcap(out, 'ethereum')
def update_nem(details):
print('Updating NEM')
out = details['coins'].setdefault('NEM', {})
out['name'] = 'NEM'
out['type'] = 'coin'
set_default(out, 't1_enabled', 'yes')
set_default(out, 't2_enabled', 'yes')
update_marketcap(out, 'nem')
if __name__ == '__main__':
try:
details = json.load(open('coins_details.json', 'r'))
except FileNotFoundError:
details = {'coins': {}, 'info': {}}
update_coins(details)
update_erc20(details)
update_ethereum(details)
update_nem(details)
update_info(details)
print(json.dumps(details, sort_keys=True, indent=4))
json.dump(details, open('coins_details.json', 'w'), sort_keys=True, indent=4)