message: public accessfor for the utxo's structure
diff: @@ -38,7 +38,7 @@ pub struct UTxO<A> {
  pub credited_address: A,
  /// the amount credited in this `UTxO`
  - credited_value: Coin,
  + pub credited_value: Coin,
  }
  impl<A> UTxO<A> {
  /// extract the `TxIn` from the `UTxO`. The output `TxIn` is meant to
  