lib/lunanode/api_error.rb in lunanode-0.1.6 vs lib/lunanode/api_error.rb in lunanode-0.2.0

@@ -1,5 +1,16 @@
+# frozen_string_literal: true
+require "cgi"
+require "json"
+
 module Lunanode
   # A RuntimeError raised when the API call returns unsuccessfully.
   class APIError < RuntimeError
+    def to_s
+      unescaped = CGI.unescapeHTML(super)
+      return unescaped unless unescaped.start_with?("\"{")
+      JSON.pretty_generate(JSON.parse(unescaped.gsub(/\A"|"\z/, "")))
+    rescue JSON::ParserError
+      unescaped
+    end
   end
 end