class Ubea::Exchange::BitstampUsd

Public Instance Methods

fiat_currency() click to toggle source
# File lib/ubea/exchanges/bitstamp_usd.rb, line 14
def fiat_currency
  "USD".freeze
end
name() click to toggle source
# File lib/ubea/exchanges/bitstamp_usd.rb, line 10
def name
  "Bitstamp (#{fiat_currency})".freeze
end
refresh_order_book!() click to toggle source
# File lib/ubea/exchanges/bitstamp_usd.rb, line 22
def refresh_order_book!
  json = get_json("https://www.bitstamp.net/api/order_book/") or return

  asks = format_asks_bids(json["asks"])
  bids = format_asks_bids(json["bids"])

  mark_as_refreshed
  @order_book = OrderBook.new(asks: asks, bids: bids)
end
trade_fee() click to toggle source
# File lib/ubea/exchanges/bitstamp_usd.rb, line 18
def trade_fee
  BigDecimal.new("0.005").freeze # 0.5% - see https://www.bitstamp.net/fee_schedule/
end
website() click to toggle source
# File lib/ubea/exchanges/bitstamp_usd.rb, line 6
def website
  "https://www.bitstamp.net/".freeze
end

Private Instance Methods

format_asks_bids(json) click to toggle source
# File lib/ubea/exchanges/bitstamp_usd.rb, line 34
def format_asks_bids(json)
  json.map do |price, volume|
    price_usd = Money.new(price, fiat_currency)
    price_normalized = price_usd.exchange_to(Ubea.config.default_fiat_currency)

    Offer.new(
      price: price_normalized,
      volume: volume
    ).freeze
  end
end