Initial commit

app/api/v2/coin_gecko/entities/orderbook.rb

@@ -0,0 +1,49 @@
+# frozen_string_literal: true
+
+module API
+  module V2
+    module CoinGecko
+      module Entities
+        class Orderbook < API::V2::Entities::Base
+          expose(
+            :ticker_id,
+            documentation: {
+              type: String,
+              desc: 'A pair such as "BTC_ETH", with delimiter between different cryptoassets.'
+            }
+          ) do |orderbook|
+            orderbook.market.underscore_name
+          end
+
+          expose(
+            :timestamp,
+            documentation: {
+              type: Integer,
+              desc: 'Unix timestamp in milliseconds for when the last updated time occurred'
+            }
+          ) do
+            DateTime.now.strftime('%Q').to_i
+          end
+
+          expose(
+            :asks,
+            documentation: {
+              type: BigDecimal,
+              is_array: true,
+              desc: 'An array containing 2 elements. The offer price and quantity for each bid order.'
+            }
+          )
+
+          expose(
+            :bids,
+            documentation: {
+              type: BigDecimal,
+              is_array: true,
+              desc: 'An array containing 2 elements. The ask price and quantity for each ask order.'
+            }
+          )
+        end
+      end
+    end
+  end
+end