39 lines
1017 B
Python
39 lines
1017 B
Python
# -*- coding: utf-8 -*-
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import cachetools
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import requests
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@cachetools.cached(cachetools.TTLCache(32, 600))
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def get_exchange_rate(currency='PLN'):
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# Returns current exchange rate for selected currency
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return requests.get('https://blockchain.info/pl/ticker').json()[currency]['last']
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def to_local_currency(sat, safe=False):
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# Returns satoshi in local lowest denomination currency (grosze)
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try:
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rate = get_exchange_rate()
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except:
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if safe:
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return 0
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raise
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return int(sat / 1000000.0 * rate)
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def from_local_currency(val, safe=False):
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# Returns satoshi value from local currency
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try:
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rate = get_exchange_rate()
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except:
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if safe:
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return 0
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raise
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return int(val / rate * 1000000)
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def sat_to_btc(amount):
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# Converts satoshi to BTC
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return amount / 100000000.0
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def format_btc(amount):
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# Formats satoshi to human-readable format
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return (u'฿%.8f' % (sat_to_btc(amount),)).rstrip('0').rstrip('.')
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