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44 lines
1.4 KiB
44 lines
1.4 KiB
import decimal
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import httplib
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import json
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class Exchanger:
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def __init__(self, quote_currencies, refresh_balance):
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self.refresh_balance = refresh_balance
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self.quote_currencies = None
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def exchange(self, btc_amount, quote_currency):
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if self.quote_currencies is None:
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return None
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if quote_currency not in self.quote_currencies:
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return None
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return btc_amount * self.quote_currencies[quote_currency]
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def discovery(self):
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connection = httplib.HTTPSConnection('intersango.com')
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connection.request("GET", "/api/ticker.php")
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response = connection.getresponse()
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if response.status == 404:
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return
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response = json.loads(response.read())
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# 1 = BTC:GBP
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# 2 = BTC:EUR
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# 3 = BTC:USD
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# 4 = BTC:PLN
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self.quote_currencies = {}
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try:
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self.quote_currencies["GBP"] = self.lookup_rate(response, 1)
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self.quote_currencies["EUR"] = self.lookup_rate(response, 2)
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self.quote_currencies["USD"] = self.lookup_rate(response, 3)
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self.refresh_balance()
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except KeyError:
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pass
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def lookup_rate(self, response, quote_id):
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return decimal.Decimal(response[str(quote_id)]["last"])
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if __name__ == "__main__":
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exch = Exchanger(("EUR", "USD", "GBP"))
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print exch.exchange(1, "EUR")
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