app/models/piggybak/payment_calculator/authorize_net.rb in piggybak-0.1.1 vs app/models/piggybak/payment_calculator/authorize_net.rb in piggybak-0.2.0

@@ -1,6 +1,10 @@
 module Piggybak
   class PaymentCalculator::AuthorizeNet < PaymentCalculator
     KEYS = ["login", "password"]
     KLASS = ::ActiveMerchant::Billing::AuthorizeNetGateway
+
+    def self.transaction_id(gateway_response)
+      gateway_response.params["transaction_id"]
+    end
   end
 end