Class: Cryptoexchange::Exchanges::Coinpark::Services::OrderBook

Inherits:
Services::Market
  • Object
show all
Defined in:
lib/cryptoexchange/exchanges/coinpark/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/coinpark/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/coinpark/services/order_book.rb', line 22

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    = Coinpark::Market::NAME
  order_book.asks      = adapt_orders(HashHelper.dig(output, 'result', 'asks'))
  order_book.bids      = adapt_orders(HashHelper.dig(output, 'result', 'bids'))
  order_book.timestamp = HashHelper.dig(output, 'result', 'update_time') / 1000
  order_book.payload   = output
  order_book
end

#adapt_orders(orders) ⇒ Object 



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# File 'lib/cryptoexchange/exchanges/coinpark/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: nil)
  end
end

#fetch(market_pair) ⇒ Object 



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

def fetch(market_pair)
  output = super(ticker_url(market_pair))
  adapt(output, market_pair)
end

#ticker_url(market_pair) ⇒ Object 



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# File 'lib/cryptoexchange/exchanges/coinpark/services/order_book.rb', line 16

def ticker_url(market_pair)
  base   = market_pair.base
  target = market_pair.target
  "#{Cryptoexchange::Exchanges::Coinpark::Market::API_URL}/mdata?cmd=depth&pair=#{base}_#{target}"
end