config.rb in voucher-0.1.1

- old
+ new

@@ -1,9 +1,9 @@
 # frozen_string_literal: true
 
 module Voucher
   class Config
-    ABI_FILE_NAME = "#{Dir.pwd}/lib/voucher/config/json/election.json"
+    ABI_FILE_NAME = File.join(File.dirname(__FILE__), 'config', 'json', 'election.json')
 
     attr_accessor :ethereum_url, :election_abi
 
     def initialize
       @ethereum_url = ENV['ETHEREUM_URL'] || 'http://172.31.80.135:8545'