message: Add PartialEq/Eq for utxo::Error
diff: @@ -11,7 +11,7 @@ use std::collections::BTreeMap;
  use imhamt::{Hamt, HamtIter, InsertError, RemoveError, ReplaceError, UpdateError};
  -#[derive(Debug, Clone)]
  +#[derive(Debug, Clone, PartialEq, Eq)]
  /// UTXO Ledger Error
  pub enum Error {
  /// The transaction ID already exists
  