robosats/api/utils.py

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import requests, ring, os
from decouple import config
from statistics import median
market_cache = {}
2022-01-10 01:12:58 +00:00
@ring.dict(market_cache, expire=30) #keeps in cache for 30 seconds
def get_exchange_rate(currency):
'''
Checks for exchange rates in several public APIs.
Returns the median price.
'''
APIS = config('MARKET_PRICE_APIS', cast=lambda v: [s.strip() for s in v.split(',')])
exchange_rates = []
for api_url in APIS:
print(api_url)
try:
if 'blockchain.info' in api_url:
blockchain_prices = requests.get(api_url).json()
exchange_rates.append(float(blockchain_prices[currency]['last']))
elif 'yadio.io' in api_url:
yadio_prices = requests.get(api_url).json()
exchange_rates.append(float(yadio_prices['BTC'][currency]))
except:
pass
return median(exchange_rates)
lnd_v_cache = {}
@ring.dict(lnd_v_cache, expire=3600) #keeps in cache for 3600 seconds
def get_lnd_version():
stream = os.popen('lnd --version')
lnd_version = stream.read()[:-1]
return lnd_version
robosats_commit_cache = {}
@ring.dict(robosats_commit_cache, expire=3600)
def get_commit_robosats():
stream = os.popen('git log -n 1 --pretty=format:"%H"')
lnd_version = stream.read()
return lnd_version