message: explose the utxos() function to retrieve the utxos of the UTxO ledger
diff: @@ -223,6 +223,10 @@ impl Ledger {
  allow_account_creation: self.settings.allow_account_creation,
  }
  }
  +
  + pub fn utxos<'a>(&'a self) -> utxo::Iter<'a, Address> {
  + self.utxos.iter()
  + }
  }
  fn apply_old_declaration(
  