public_orderbook: Get bids and asks for provided currency-pair (products) by GDAX.
Description
This function is a public function and will fetch all bids/asks for provided currency pair (product_id). User should change the level to get the best bid/ask or to fetch all bids/asks.
Optional character parameter. This is a case insensitive value of the product id for which the order book is desired. Default to 'BTC-USD'. For all valid product ids, refer to public_info.
level
Optional parameter. Integer value of level denoting level of detail. Valid user values of 1, 2, 3. Default to 1.
Value
A named list with bids and asks for the provided currency pair.