fix: remove tx index from cip-509 validate function

Signed-off-by: bkioshn <[email protected]>

Author: bkioshn

rust/rbac-registration/src/cardano/cip509/mod.rs

@@ -188,10 +188,9 @@ impl Cip509 {
     ///
     /// # Parameters
     /// * `txn` - Transaction data was attached to and to be validated/decoded against.
-    /// * `txn_idx` - Transaction Index
     /// * `validation_report` - Validation report to store the validation result.
     pub fn validate(
-        &self, txn: &MultiEraTx, txn_idx: usize, validation_report: &mut Vec<String>,
+        &self, txn: &MultiEraTx, validation_report: &mut Vec<String>,
     ) -> bool {
         let tx_input_validate =
             validate_txn_inputs_hash(self, txn, validation_report).unwrap_or(false);
@@ -207,7 +206,7 @@ impl Cip509 {
                     stake_key_validate =
                         validate_stake_public_key(self, txn, validation_report).unwrap_or(false);
                     payment_key_validate =
-                        validate_payment_key(txn, txn_idx, role, validation_report)
+                        validate_payment_key(txn, role, validation_report)
                             .unwrap_or(false);
                     signing_key = validate_role_singing_key(role, validation_report);
                 }