From b6965ef688d9ea7634cae6b0fcf2d93fcb8fdc56 Mon Sep 17 00:00:00 2001
From: open-junius <zhou@opentensor.dev>
Date: Tue, 28 May 2024 22:46:19 +0800
Subject: [PATCH] add event for stakes interval set

---
 pallets/admin-utils/tests/tests.rs | 24 ++++++++++++++++++++++++
 pallets/subtensor/src/events.rs    |  2 ++
 pallets/subtensor/src/utils.rs     |  5 ++++-
 3 files changed, 30 insertions(+), 1 deletion(-)

diff --git a/pallets/admin-utils/tests/tests.rs b/pallets/admin-utils/tests/tests.rs
index a57773e0f..2b0015673 100644
--- a/pallets/admin-utils/tests/tests.rs
+++ b/pallets/admin-utils/tests/tests.rs
@@ -1108,3 +1108,27 @@ fn test_sudo_set_min_delegate_take() {
         assert_eq!(SubtensorModule::get_min_delegate_take(), to_be_set);
     });
 }
+
+#[test]
+fn test_sudo_set_target_stakes_per_interval() {
+    new_test_ext().execute_with(|| {
+        let to_be_set = 100;
+        let init_value = SubtensorModule::get_target_stakes_per_interval();
+        assert_eq!(
+            AdminUtils::sudo_set_target_stakes_per_interval(
+                <<Test as Config>::RuntimeOrigin>::signed(U256::from(1)),
+                to_be_set
+            ),
+            Err(DispatchError::BadOrigin)
+        );
+        assert_eq!(
+            SubtensorModule::get_target_stakes_per_interval(),
+            init_value
+        );
+        assert_ok!(AdminUtils::sudo_set_target_stakes_per_interval(
+            <<Test as Config>::RuntimeOrigin>::root(),
+            to_be_set
+        ));
+        assert_eq!(SubtensorModule::get_target_stakes_per_interval(), to_be_set);
+    });
+}
diff --git a/pallets/subtensor/src/events.rs b/pallets/subtensor/src/events.rs
index fdebe5cde..47cc9973b 100644
--- a/pallets/subtensor/src/events.rs
+++ b/pallets/subtensor/src/events.rs
@@ -130,5 +130,7 @@ mod events {
         MaxDelegateTakeSet(u16),
         /// minimum delegate take is set by sudo/admin transaction
         MinDelegateTakeSet(u16),
+        /// the target stakes per interval is set by sudo/admin transaction
+        TargetStakesPerIntervalSet(u64),
     }
 }
diff --git a/pallets/subtensor/src/utils.rs b/pallets/subtensor/src/utils.rs
index 2da1cd9c7..8442bb93a 100644
--- a/pallets/subtensor/src/utils.rs
+++ b/pallets/subtensor/src/utils.rs
@@ -143,7 +143,10 @@ impl<T: Config> Pallet<T> {
         Self::deposit_event(Event::WeightsMinStake(min_stake));
     }
     pub fn set_target_stakes_per_interval(target_stakes_per_interval: u64) {
-        TargetStakesPerInterval::<T>::set(target_stakes_per_interval)
+        TargetStakesPerInterval::<T>::set(target_stakes_per_interval);
+        Self::deposit_event(Event::TargetStakesPerIntervalSet(
+            target_stakes_per_interval,
+        ));
     }
     pub fn set_stakes_this_interval_for_coldkey_hotkey(
         coldkey: &T::AccountId,