gistfile1.rb

            Card.transaction do
              #TODO
              if @card.participating_in_top_up_program? # How do we store this?
               top_up_amount = (options[:available_balance] - options[:transaction_amount]).abs
               #  ... magic step where we record the top up/ do special stuff. Does it need to show up in load reports? A different report?
               result.success!
               return {:pan => options[:account_number], :status => "00", :credit_advance => top_up_amount}
              else
                result.success!
                return {:pan => options[:account_number], :status => "51", :credit_advance => 0.00}
              end
            end