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153 lines
6.6 KiB
Python
153 lines
6.6 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 json import loads
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# Project imports
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from settings import settings
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class Markets(object):
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""" "
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Markets handler for generic market functions.
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"""
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def __init__(self):
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self.log = Logger("markets")
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def get_all_assets(self):
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assets = loads(settings.Agora.AssetList)
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return assets
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def get_all_providers(self):
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providers = loads(settings.Agora.ProviderList)
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return providers
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def get_all_currencies(self):
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currencies = list(set([x[0] for x in loads(settings.Agora.DistList)]))
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return currencies
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def get_new_ad_equations(self, public_ads, assets=None):
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"""
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Update all our prices.
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:param public_ads: dictionary of public ads keyed by currency
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:type public_ads: dict
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:return: list of ads to modify
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:rtype: list
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"""
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to_update = []
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# NOTES:
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# Get all ads for each currency, with all the payment methods.
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# Create a function to, in turn, filter these so it contains only one payment method. Run autoprice on this.
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# Append all results to to_update. Repeat for remaining payment methods, then call slow update.
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# (asset, currency, provider)
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if not assets:
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assets = self.get_all_assets()
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currencies = self.get_all_currencies()
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providers = self.get_all_providers()
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brute = [(asset, currency, provider) for asset in assets for currency in currencies for provider in providers]
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for asset, currency, provider in brute:
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# Filter currency
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try:
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public_ads_currency = public_ads[currency]
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except KeyError:
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self.log.error("Error getting public ads for currency {currency}", currency=currency)
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continue
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# Filter asset
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public_ads_filtered = [ad for ad in public_ads_currency if ad[4] == asset]
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# Filter provider
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public_ads_filtered = [ad for ad in public_ads_filtered if ad[3] == provider]
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our_ads = [ad for ad in public_ads_filtered if ad[1] == settings.Agora.Username]
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if not our_ads:
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continue
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new_margin = self.autoprice(public_ads_filtered, currency)
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new_formula = f"coingecko{asset.lower()}usd*usd{currency.lower()}*{new_margin}"
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for ad in our_ads:
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ad_id = ad[0]
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asset = ad[4]
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our_margin = ad[5]
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if new_margin != our_margin:
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to_update.append([ad_id, new_formula, asset, currency, False])
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return to_update
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def autoprice(self, ads, currency):
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"""
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Helper function to automatically adjust the price up/down in certain markets
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in order to gain the most profits and sales.
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:param ads: list of ads
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:type ads: list of lists
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:param currency: currency of the ads
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:type currency: string
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:return: the rate we should use for this currency
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:rtype: float
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"""
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self.log.debug("Autoprice starting for {x}", x=currency)
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# Find cheapest ad
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# Filter by 3rd index on each ad list to find the cheapest
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min_margin_ad = min(ads, key=lambda x: x[5])
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self.log.debug("Minimum margin ad: {x}", x=min_margin_ad)
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# Find second cheapest that is not us
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# Remove results from ads that are us
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ads_without_us = [ad for ad in ads if not ad[1] == settings.Agora.Username]
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self.log.debug("Ads without us: {x}", x=ads_without_us)
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# Find ads above our min that are not us
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ads_above_our_min_not_us = [ad for ad in ads_without_us if ad[5] > float(settings.Agora.MinMargin)]
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self.log.debug("Ads above our min not us: {x}", x=ads_above_our_min_not_us)
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# Check that this list without us is not empty
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if ads_without_us:
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# Find the cheapest from these
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min_margin_ad_not_us = min(ads_without_us, key=lambda x: x[5])
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self.log.debug("Min margin ad not us: {x}", x=min_margin_ad_not_us)
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# Lowball the lowest ad that is not ours
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lowball_lowest_not_ours = min_margin_ad_not_us[5] # - 0.005
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self.log.debug("Lowball lowest not ours: {x}", x=lowball_lowest_not_ours)
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# Check if the username field of the cheapest ad matches ours
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if min_margin_ad[1] == settings.Agora.Username:
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self.log.debug("We are the cheapest for: {x}", x=currency)
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# We are the cheapest!
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# Are all of the ads ours?
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all_ads_ours = all([ad[1] == settings.Agora.Username for ad in ads])
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if all_ads_ours:
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self.log.debug("All ads are ours for: {x}", x=currency)
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# Now we know it's safe to return the maximum value
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return float(settings.Agora.MaxMargin)
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else:
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self.log.debug("All ads are NOT ours for: {x}", x=currency)
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# All the ads are not ours, but we are first...
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# Check if the lowballed, lowest (that is not ours) ad's margin
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# is less than our minimum
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if lowball_lowest_not_ours < float(settings.Agora.MinMargin):
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self.log.debug("Lowball lowest not ours less than MinMargin")
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return float(settings.Agora.MinMargin)
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elif lowball_lowest_not_ours > float(settings.Agora.MaxMargin):
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self.log.debug("Lowball lowest not ours more than MaxMargin")
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return float(settings.Agora.MaxMargin)
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else:
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self.log.debug("Returning lowballed figure: {x}", x=lowball_lowest_not_ours)
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return lowball_lowest_not_ours
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else:
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self.log.debug("We are NOT the cheapest for: {x}", x=currency)
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# We are not the cheapest :(
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# Check if this list is empty
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if not ads_above_our_min_not_us:
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# Return the maximum margin?
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return float(settings.Agora.MaxMargin)
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# Find cheapest ad above our min that is not us
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cheapest_ad = min(ads_above_our_min_not_us, key=lambda x: x[4])
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cheapest_ad_margin = cheapest_ad[5] # - 0.005
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if cheapest_ad_margin > float(settings.Agora.MaxMargin):
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self.log.debug("Cheapest ad not ours more than MaxMargin")
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return float(settings.Agora.MaxMargin)
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self.log.debug("Cheapest ad above our min that is not us: {x}", x=cheapest_ad)
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return cheapest_ad_margin
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