68 lines
2.1 KiB
Python
68 lines
2.1 KiB
Python
from CryptoInterface import CryptoInterface
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from datetime import datetime
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from CryptoCoin import CryptoCoin
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from urllib.request import urlopen
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import json
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import math
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api_test_url = "https://api.coingecko.com/api/v3/ping"
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api_url = "https://api.coingecko.com/api/v3/"
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api_metadata_url = api_url + "coins/list"
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api_price_url = api_url + "simple/price"
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price_currency = "usd"
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price_currency_sign = "$"
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class GeckoCrypto(CryptoInterface):
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def __init__(self, coins):
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self.coin_ids = coins
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self.metadata = None
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super(GeckoCrypto, self).__init__()
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def is_available(self):
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try:
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urlopen(api_test_url)
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return True
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except:
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return False
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def __get_coins__(self):
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if len(self.coin_ids) == 0:
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return []
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self.__prepare_metadata__()
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coins = []
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for id in self.coin_ids:
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try:
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data = urlopen(api_price_url + "?include_24hr_change=true&ids=" +
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self.metadata[id]['id'] + "&vs_currencies=" + price_currency).read()
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dataJSON = json.loads(data.decode('utf-8'))
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raw = dataJSON[id][price_currency]
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price = math.ceil(raw*100) / 100
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change = dataJSON[id]['usd_24h_change']
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coins.append(self.__build_coin__(id, price, change))
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except:
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print("Gecko-Error [" + id + "]")
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return coins
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def __build_coin__(self, id, value, change):
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coin = CryptoCoin()
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coin.name = self.metadata[id]['name']
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coin.day_change = round(change, 2)
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coin.price = value
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coin.datetime = datetime.now()
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coin.fetch_datetime = datetime.now()
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coin.currency = price_currency_sign
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coin.symbol = self.metadata[id]['symbol']
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return coin
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def __prepare_metadata__(self):
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self.metadata = None
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data = urlopen(api_metadata_url).read()
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dataJSON = json.loads(data.decode('utf-8'))
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self.metadata = {coin['id'].lower(
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): coin for coin in dataJSON if coin['id'].lower() in self.coin_ids}
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