fix

policy.go

@@ -273,7 +273,7 @@ func (policy *DependencyPolicy) Allows(node Node, resource string, action string
     return false
   }
 
-  for _, req := range(lockable.Requirements()) {
+  for _, req := range(lockable.Dependencies()) {
     if req.ID() == principal.ID() {
       return policy.Actions.Allows(resource, action)
     }