message: Address review comment: self.missing_dependency(pvv)
diff: @@ -38,7 +38,7 @@ impl<C: Context> ProtocolState for Highway<C> {
  type Vertex = PreValidatedVertex<C>;
  fn missing_dependency(&self, pvv: &Self::Vertex) -> Option<Dependency<C>> {
  - Highway::missing_dependency(&self, &pvv)
  + self.missing_dependency(pvv)
  }
  fn get_vertex(&self, v: Dependency<C>) -> Result<Option<PreValidatedVertex<C>>, Self::Error> {
  