mirror of
https://github.com/RoboSats/robosats.git
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71 lines
2.0 KiB
Python
71 lines
2.0 KiB
Python
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import requests, ring, os
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from decouple import config
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import numpy as np
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market_cache = {}
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@ring.dict(market_cache, expire=3) #keeps in cache for 3 seconds
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def get_exchange_rates(currencies):
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'''
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Params: list of currency codes.
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Checks for exchange rates in several public APIs.
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Returns the median price list.
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'''
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APIS = config('MARKET_PRICE_APIS', cast=lambda v: [s.strip() for s in v.split(',')])
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api_rates = []
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for api_url in APIS:
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try: # If one API is unavailable pass
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if 'blockchain.info' in api_url:
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blockchain_prices = requests.get(api_url).json()
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blockchain_rates = []
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for currency in currencies:
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try: # If a currency is missing place a None
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blockchain_rates.append(float(blockchain_prices[currency]['last']))
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except:
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blockchain_rates.append(np.nan)
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api_rates.append(blockchain_rates)
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elif 'yadio.io' in api_url:
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yadio_prices = requests.get(api_url).json()
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yadio_rates = []
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for currency in currencies:
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try:
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yadio_rates.append(float(yadio_prices['BTC'][currency]))
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except:
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yadio_rates.append(np.nan)
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api_rates.append(yadio_rates)
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except:
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pass
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if len(api_rates) == 0:
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return None # Wops there is not API available!
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exchange_rates = np.array(api_rates)
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median_rates = np.nanmedian(exchange_rates, axis=0)
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return median_rates.tolist()
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lnd_v_cache = {}
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@ring.dict(lnd_v_cache, expire=3600) #keeps in cache for 3600 seconds
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def get_lnd_version():
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stream = os.popen('lnd --version')
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lnd_version = stream.read()[:-1]
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return lnd_version
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robosats_commit_cache = {}
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@ring.dict(robosats_commit_cache, expire=3600)
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def get_commit_robosats():
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stream = os.popen('git log -n 1 --pretty=format:"%H"')
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lnd_version = stream.read()
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return lnd_version
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