class Devilicious::Market::Bitstamp

Public Instance Methods

fiat_currency() click to toggle source

NOTE: www.bitstamp.net/

# File lib/devilicious/markets/bitstamp.rb, line 8
def fiat_currency
  "USD"
end
refresh_order_book!() click to toggle source
# File lib/devilicious/markets/bitstamp.rb, line 16
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/devilicious/markets/bitstamp.rb, line 12
def trade_fee
  BigDecimal.new("0.005").freeze # 0.5% - see https://www.bitstamp.net/fee_schedule/
end

Private Instance Methods

format_asks_bids(json) click to toggle source
# File lib/devilicious/markets/bitstamp.rb, line 28
def format_asks_bids(json)
  json.map do |price, volume|
    price_usd = Money.new(price, fiat_currency)
    price_normalized = price_usd.exchange_to(Devilicious.config.default_fiat_currency)

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