Initial commit

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

@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+module API
+  module V2
+    module CoinGecko
+      module Entities
+        class Pair < API::V2::Entities::Base
+          expose(
+            :ticker_id,
+            documentation: {
+              type: String,
+              desc: 'Identifier of a ticker with delimiter to separate base/target, eg. BTC_ETH.'
+            }
+          ) do |market|
+            market.underscore_name
+          end
+
+          expose(
+            :base,
+            documentation: {
+              type: String,
+              desc: 'Symbol/currency code of a the base cryptoasset, eg. BTC.'
+            }
+          ) do |market|
+            market[:base_unit].upcase
+          end
+
+          expose(
+            :target,
+            documentation: {
+              type: String,
+              desc: 'Symbol/currency code of the target cryptoasset, eg. ETH.'
+            }
+          ) do |market|
+            market[:quote_unit].upcase
+          end
+        end
+      end
+    end
+  end
+end