message: public accessfor of the StatePtr structure
diff: @@ -3,8 +3,8 @@ use std::{fmt};
  #[derive(Debug, Clone, Serialize, Deserialize)]
  pub struct StatePtr {
  - latest_addr: Option<BlockDate>,
  - latest_known_hash: HeaderHash,
  + pub latest_addr: Option<BlockDate>,
  + pub latest_known_hash: HeaderHash,
  }
  impl fmt::Display for StatePtr {
  fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
  