80 lines
2.5 KiB
Python
80 lines
2.5 KiB
Python
# Twisted/Klein imports
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from twisted.logger import Logger
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# Other library imports
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from pycoingecko import CoinGeckoAPI
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# Project imports
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from settings import settings
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class Money(object):
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"""
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Generic class for handling money-related matters that aren't Revolut or Agora.
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"""
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def __init__(self):
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"""
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Initialise the Money object.
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Set the logger.
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Initialise the CoinGecko API.
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"""
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self.log = Logger("money")
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self.cg = CoinGeckoAPI()
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def lookup_rates(self, ads, rates=None):
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"""
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Lookup the rates for a list of public ads.
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"""
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if not rates:
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rates = self.cg.get_price(ids=["monero", "bitcoin"], vs_currencies=self.markets.get_all_currencies())
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# Set the price based on the asset
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for ad in ads:
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if ad[4] == "XMR":
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coin = "monero"
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elif ad[4] == "BTC":
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coin = "bitcoin" # No s here
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currency = ad[5]
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base_currency_price = rates[coin][currency.lower()]
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price = float(ad[2])
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rate = round(price / base_currency_price, 2)
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ad.append(rate)
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return sorted(ads, key=lambda x: x[2])
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def get_rates_all(self):
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"""
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Get all rates that pair with USD.
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:return: dictionary of USD/XXX rates
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:rtype: dict
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"""
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rates = self.cr.get_rates("USD")
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return rates
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def get_acceptable_margins(self, currency, amount):
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"""
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Get the minimum and maximum amounts we would accept a trade for.
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:param currency: currency code
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:param amount: amount
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:return: (min, max)
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:rtype: tuple
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"""
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rates = self.get_rates_all()
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if currency == "USD":
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min_amount = amount - float(settings.Agora.AcceptableUSDMargin)
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max_amount = amount + float(settings.Agora.AcceptableUSDMargin)
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return (min_amount, max_amount)
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amount_usd = amount / rates[currency]
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min_usd = amount_usd - float(settings.Agora.AcceptableUSDMargin)
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max_usd = amount_usd + float(settings.Agora.AcceptableUSDMargin)
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min_local = min_usd * rates[currency]
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max_local = max_usd * rates[currency]
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return (min_local, max_local)
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def to_usd(self, amount, currency):
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if currency == "USD":
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return float(amount)
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else:
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rates = self.get_rates_all()
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return float(amount) / rates[currency]
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