Update rate limit for setting children to 7200

Author: gztensor

pallets/subtensor/src/utils/rate_limiting.rs

@@ -34,10 +34,9 @@ impl<T: Config> Pallet<T> {
     // ==== Rate Limiting =====
     // ========================
     /// Get the rate limit for a specific transaction type
-    pub fn get_rate_limit(tx_type: &TransactionType, netuid: u16) -> u64 {
-        let subnet_tempo = Self::get_tempo(netuid);
+    pub fn get_rate_limit(tx_type: &TransactionType, _netuid: u16) -> u64 {
         match tx_type {
-            TransactionType::SetChildren => (subnet_tempo.saturating_mul(2)).into(), // Cannot set children twice within the default tempo period.
+            TransactionType::SetChildren => 7200, // Cannot set children twice within a day
             TransactionType::SetChildkeyTake => TxChildkeyTakeRateLimit::<T>::get(),
             TransactionType::Unknown => 0, // Default to no limit for unknown types (no limit)
         }

pallets/subtensor/tests/children.rs

@@ -357,6 +357,7 @@ fn test_add_singular_child() {
             Err(Error::<Test>::SubNetworkDoesNotExist.into())
         );
         add_network(netuid, 0, 0);
+        step_rate_limit(&TransactionType::SetChildren, netuid);
         assert_eq!(
             SubtensorModule::do_set_children(
                 RuntimeOrigin::signed(coldkey),
@@ -367,6 +368,7 @@ fn test_add_singular_child() {
             Err(Error::<Test>::NonAssociatedColdKey.into())
         );
         SubtensorModule::create_account_if_non_existent(&coldkey, &hotkey);
+        step_rate_limit(&TransactionType::SetChildren, netuid);
         assert_eq!(
             SubtensorModule::do_set_children(
                 RuntimeOrigin::signed(coldkey),
@@ -377,6 +379,7 @@ fn test_add_singular_child() {
             Err(Error::<Test>::InvalidChild.into())
         );
         let child = U256::from(3);
+        step_rate_limit(&TransactionType::SetChildren, netuid);
         assert_ok!(SubtensorModule::do_set_children(
             RuntimeOrigin::signed(coldkey),
             hotkey,
@@ -2396,6 +2399,7 @@ fn test_dynamic_parent_child_relationships() {
         step_block(11);
 
         // Change parent-child relationships
+        step_rate_limit(&TransactionType::SetChildren, netuid);
         assert_ok!(SubtensorModule::do_set_children(
             RuntimeOrigin::signed(coldkey_parent),
             parent,