Class: Cryptoexchange::Exchanges::Ercdex::Services::OrderBook

Inherits:
Services::Market
  • Object
show all
Defined in:
lib/cryptoexchange/exchanges/ercdex/services/order_book.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Services::Market

#fetch_using_post

Class Method Details

.supports_individual_ticker_query? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/cryptoexchange/exchanges/ercdex/services/order_book.rb', line 6

def supports_individual_ticker_query?
  true
end

Instance Method Details

#adapt(output, market_pair) ⇒ Object 



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# File 'lib/cryptoexchange/exchanges/ercdex/services/order_book.rb', line 23

def adapt(output, market_pair)
  order_book = Cryptoexchange::Models::OrderBook.new
  order_book.base = market_pair.base
  order_book.target = market_pair.target
  order_book.market = Ercdex::Market::NAME
  order_book.asks = adapt_orders(output['buys']['priceLevels'])
  order_book.bids = adapt_orders(output['sells']['priceLevels'])
  order_book.timestamp = Time.now.to_i
  order_book.payload = output
  order_book
end

#adapt_orders(orders) ⇒ Object 



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# File 'lib/cryptoexchange/exchanges/ercdex/services/order_book.rb', line 35

def adapt_orders(orders)
  orders.collect do |order_entry|
    Cryptoexchange::Models::Order.new(price: order_entry['price'],
                                      amount: order_entry['volume'],
                                      timestamp: Time.now.to_i)
  end
end

#fetch(market_pair) ⇒ Object 



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# File 'lib/cryptoexchange/exchanges/ercdex/services/order_book.rb', line 11

def fetch(market_pair)
  pair_id = IdFetcher.get_id(market_pair.base.upcase, market_pair.target.upcase)
  base = pair_id[0]["tokenPair"]["tokenA"]["address"]
  target = pair_id[0]["tokenPair"]["tokenB"]["address"]
  output = super(ticker_url(base, target))
  adapt(output, market_pair)
end

#ticker_url(base, target) ⇒ Object 



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# File 'lib/cryptoexchange/exchanges/ercdex/services/order_book.rb', line 19

def ticker_url(base, target)
  "#{Cryptoexchange::Exchanges::Ercdex::Market::API_URL}/aggregated_orders?networkId=1&baseTokenAddress=#{base}&quoteTokenAddress=#{target}"
end