add two columns into permits, namely private and use_blockchain

app/controllers/projects_controller.rb

@@ -163,7 +163,7 @@ class ProjectsController < ApplicationController
   private
   def project_params
     params.permit(:user_id, :name, :description, :repository_name,
-                  :project_category_id, :project_language_id, :license_id, :ignore_id)
+                  :project_category_id, :project_language_id, :license_id, :ignore_id, :private, :blockchain)
   end
 
   def mirror_params