64 lines
2.5 KiB
Python
64 lines
2.5 KiB
Python
#!/usr/bin/env python
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# CoinMarketCap API Class - Developed by acidvegas in Python (https://acid.vegas/coinmarketcap)
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import http.client
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import json
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import time
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import zlib
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CACHE_EXPIRY_TIME = 300
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class CoinMarketCap(object):
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def __init__(self, api_key):
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self.api_key = api_key
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self.cache = {'global':dict(), 'ticker':dict()}
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self.last = {'global':0 , 'ticker':0 }
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def _api(self, _endpoint):
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'''Make a request to the CoinMarketCap API.'''
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with http.client.HTTPSConnection('pro-api.coinmarketcap.com', timeout=15) as conn:
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conn.request('GET', f'/v1/{_endpoint}', headers={'Accept':'application/json', 'Accept-Encoding':'deflate, gzip', 'X-CMC_PRO_API_KEY':self.api_key})
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response = conn.getresponse()
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if response.getheader('Content-Encoding') == 'gzip':
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content = zlib.decompress(response.read(), 16+zlib.MAX_WBITS).decode('utf-8')
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else:
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content = response.read().decode('utf-8')
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return json.loads(content.replace(': null', ': "0"'))['data']
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def _global(self):
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'''Get global market data.'''
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if time.time() - self.last['global'] < CACHE_EXPIRY_TIME:
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return self.cache['global']
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else:
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data = self._api('global-metrics/quotes/latest')
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self.cache['global'] = {
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'cryptocurrencies' : data['active_cryptocurrencies'],
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'exchanges' : data['active_exchanges'],
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'btc_dominance' : int(data['btc_dominance']),
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'eth_dominance' : int(data['eth_dominance']),
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'market_cap' : int(data['quote']['USD']['total_market_cap']),
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'volume' : int(data['quote']['USD']['total_volume_24h'])
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}
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self.last['global'] = time.time()
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return self.cache['global']
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def _ticker(self):
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'''Get ticker data.'''
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if time.time() - self.last['ticker'] < CACHE_EXPIRY_TIME:
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return self.cache['ticker']
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else:
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data = self._api('cryptocurrency/listings/latest?limit=5000')
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self.cache['ticker'] = dict()
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for item in data:
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self.cache['ticker'][item['id']] = {
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'name' : item['name'],
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'symbol' : item['symbol'],
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'slug' : item['slug'],
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'rank' : item['cmc_rank'],
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'price' : float(item['quote']['USD']['price']),
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'percent' : {'1h':float(item['quote']['USD']['percent_change_1h']), '24h':float(item['quote']['USD']['percent_change_24h']), '7d':float(item['quote']['USD']['percent_change_7d'])},
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'volume' : int(float(item['quote']['USD']['volume_24h'])),
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'market_cap' : int(float(item['quote']['USD']['market_cap']))
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}
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self.last['ticker'] = time.time()
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return self.cache['ticker'] |