app/models/fine_print/signature.rb in fine_print-1.4.1 vs app/models/fine_print/signature.rb in fine_print-2.0.0

@@ -1,13 +1,14 @@
 module FinePrint
   class Signature < ActiveRecord::Base
     belongs_to :contract, :inverse_of => :signatures
     belongs_to :user, :polymorphic => true
 
-    before_create :contract_published
+    validate :contract_published, :on => :create
 
-    validates_presence_of :contract, :user_type, :user_id
-    validates_uniqueness_of :contract_id, :scope => [:user_type, :user_id]
+    validates :contract, :presence => true,
+                         :uniqueness => {:scope => [:user_type, :user_id]}
+    validates :user, :presence => true
 
     default_scope { order(:contract_id, :user_type, :user_id) }
 
     protected