add coordinator side rotation test

substrate/client/tests/validator_sets.rs

@@ -14,7 +14,9 @@ use serai_client::{
 mod common;
 use common::validator_sets::{set_keys, allocate_stake, deallocate_stake};
 
-const EPOCH_INTERVAL: u64 = 5;
+// TODO: get rid of this is constant and retrive the epoch numbers from sthe node directly
+// since epochs doesn't always change at the exact intervals.
+const EPOCH_INTERVAL: u64 = 300;
 
 serai_test!(
   set_keys_test: (|serai: Serai| async move {

substrate/runtime/src/lib.rs

@@ -315,7 +315,7 @@ pub type ReportLongevity = <Runtime as pallet_babe::Config>::EpochDuration;
 impl babe::Config for Runtime {
   #[cfg(feature = "fast-epoch")]
   #[allow(clippy::identity_op)]
-  type EpochDuration = ConstU64<{ DAYS / (24 * 60 * 2) }>; // 30 seconds
+  type EpochDuration = ConstU64<{ DAYS / (24 * 2) }>; // 30 minutes
 
   #[cfg(not(feature = "fast-epoch"))]
   #[allow(clippy::identity_op)]

substrate/validator-sets/pallet/src/lib.rs

@@ -652,7 +652,7 @@ pub mod pallet {
         // If not Serai, check the prior session had its keys cleared, which happens once its
         // retired
         return (network == NetworkId::Serai) ||
-          (!Keys::<T>::contains_key(ValidatorSet {
+          (Keys::<T>::contains_key(ValidatorSet {
             network,
             session: Session(current_session.0 - 1),
           }));