class Devilicious::Market::Kraken
Public Instance Methods
fiat_currency()
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# File lib/devilicious/markets/kraken.rb, line 6 def fiat_currency "EUR" end
refresh_order_book!()
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# File lib/devilicious/markets/kraken.rb, line 14 def refresh_order_book! json = get_json("https://api.kraken.com/0/public/Depth?pair=XBT#{fiat_currency}") or return asks = format_asks_bids(json["result"]["XXBTZ#{fiat_currency}"]["asks"]) bids = format_asks_bids(json["result"]["XXBTZ#{fiat_currency}"]["bids"]) mark_as_refreshed @order_book = OrderBook.new(asks: asks, bids: bids) end
trade_fee()
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# File lib/devilicious/markets/kraken.rb, line 10 def trade_fee BigDecimal.new("0.0035").freeze # 0.35% end
Private Instance Methods
format_asks_bids(json)
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# File lib/devilicious/markets/kraken.rb, line 25 def format_asks_bids(json) json.map do |price, volume| Offer.new( price: Money.new(price, fiat_currency), volume: volume ).freeze end end