From 1b6608049963262e4a4127cbd498dddaddc07fea Mon Sep 17 00:00:00 2001
From: Parth Desai <desaiparth08@gmail.com>
Date: Fri, 7 Mar 2025 19:55:55 +0400
Subject: [PATCH]  call validate in pre_dispatch to have same validations for
 call

---
 pallets/subtensor/src/lib.rs | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/pallets/subtensor/src/lib.rs b/pallets/subtensor/src/lib.rs
index 25838b108..b355e9624 100644
--- a/pallets/subtensor/src/lib.rs
+++ b/pallets/subtensor/src/lib.rs
@@ -2207,9 +2207,13 @@ where
         self,
         who: &Self::AccountId,
         call: &Self::Call,
-        _info: &DispatchInfoOf<Self::Call>,
-        _len: usize,
+        info: &DispatchInfoOf<Self::Call>,
+        len: usize,
     ) -> Result<Self::Pre, TransactionValidityError> {
+        // We need to perform same checks as Self::validate so that
+        // the validation is performed during Executive::apply_extrinsic as well.
+        // this prevents inclusion of invalid tx in a block by malicious block author.
+        self.validate(who, call, info, len)?;
         match call.is_sub_type() {
             Some(Call::add_stake { .. }) => {
                 let transaction_fee = 100000;