support for multi-cluster

pallets/ddc-clusters/src/lib.rs

@@ -835,6 +835,15 @@ pub mod pallet {
 	}
 
 	impl<T: Config> ClusterManager<T> for Pallet<T> {
+		fn get_all_clusters() -> Result<Vec<ClusterId>, DispatchError> {
+			let mut cluster_ids = Vec::new();
+
+			for cluster_id in <Clusters<T>>::iter_keys() {
+				cluster_ids.push(cluster_id);
+			}
+
+			Ok(cluster_ids)
+		}
 		fn get_manager_account_id(cluster_id: &ClusterId) -> Result<T::AccountId, DispatchError> {
 			let cluster =
 				Clusters::<T>::try_get(cluster_id).map_err(|_| Error::<T>::ClusterDoesNotExist)?;

pallets/ddc-customers/src/mock.rs

@@ -230,6 +230,9 @@ impl<T: Config> ClusterQuery<T> for TestClusterManager {
 }
 
 impl<T: Config> ClusterManager<T> for TestClusterManager {
+	fn get_all_clusters() -> Result<Vec<ClusterId>, DispatchError> {
+		unimplemented!()
+	}
 	fn get_manager_account_id(_cluster_id: &ClusterId) -> Result<T::AccountId, DispatchError> {
 		unimplemented!()
 	}