Class: Cryptoexchange::Exchanges::Binance::Services::OrderBook

Inherits:
Services::Market
  • Object
show all
Defined in:
lib/cryptoexchange/exchanges/binance/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) 


6
7
8
 
# File 'lib/cryptoexchange/exchanges/binance/services/order_book.rb', line 6

def supports_individual_ticker_query?
  true
end

Instance Method Details

#adapt(output, market_pair) ⇒ Object 



22
23
24
25
26
27
28
29
30
31
32
33
34
 
# File 'lib/cryptoexchange/exchanges/binance/services/order_book.rb', line 22

def adapt(output, market_pair)
  order_book = Cryptoexchange::Models::OrderBook.new
  timestamp = Time.now.to_i

  order_book.base      = market_pair.base
  order_book.target    = market_pair.target
  order_book.market    = Binance::Market::NAME
  order_book.asks      = adapt_orders(output['asks'], timestamp)
  order_book.bids      = adapt_orders(output['bids'], timestamp)
  order_book.timestamp = timestamp
  order_book.payload   = output
  order_book
end

#adapt_orders(orders, timestamp) ⇒ Object 



36
37
38
39
40
41
42
 
# File 'lib/cryptoexchange/exchanges/binance/services/order_book.rb', line 36

def adapt_orders(orders, timestamp)
  orders.collect do |order_entry|
    Cryptoexchange::Models::Order.new(price: NumericHelper.to_d(order_entry[0]),
                                      amount: NumericHelper.to_d(order_entry[1]),
                                      timestamp: timestamp)
  end
end

#fetch(market_pair) ⇒ Object 



11
12
13
14
 
# File 'lib/cryptoexchange/exchanges/binance/services/order_book.rb', line 11

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

#order_book_url(market_pair) ⇒ Object 



16
17
18
19
20
 
# File 'lib/cryptoexchange/exchanges/binance/services/order_book.rb', line 16

def order_book_url(market_pair)
  base = market_pair.base
  target = market_pair.target
  "#{Cryptoexchange::Exchanges::Binance::Market::API_URL}/depth?symbol=#{base}#{target}"
end