allowed proxies

pallet-ismp/src/host.rs

@@ -15,10 +15,10 @@
 
 //! Host implementation for ISMP
 use crate::{
-    dispatcher::Receipt, primitives::ConsensusClientProvider, ChallengePeriod, Config,
-    ConsensusClientUpdateTime, ConsensusStateClient, ConsensusStates, FrozenConsensusClients,
-    FrozenHeights, LatestStateMachineHeight, Nonce, RequestCommitments, RequestReceipts,
-    ResponseReceipts, StateCommitments, UnbondingPeriod,
+    dispatcher::Receipt, primitives::ConsensusClientProvider, AllowedProxies, ChallengePeriod,
+    Config, ConsensusClientUpdateTime, ConsensusStateClient, ConsensusStates,
+    FrozenConsensusClients, FrozenHeights, LatestStateMachineHeight, Nonce, RequestCommitments,
+    RequestReceipts, ResponseReceipts, StateCommitments, UnbondingPeriod,
 };
 use alloc::{format, string::ToString};
 use core::time::Duration;
@@ -250,4 +250,12 @@ where
         ChallengePeriod::<T>::insert(consensus_state_id, period);
         Ok(())
     }
+
+    fn allowed_proxies(&self) -> Vec<StateMachine> {
+        AllowedProxies::<T>::get()
+    }
+
+    fn store_allowed_proxies(&self, allowed: Vec<StateMachine>) {
+        AllowedProxies::<T>::set(allowed);
+    }
 }

pallet-ismp/src/lib.rs

@@ -122,7 +122,6 @@ pub mod pallet {
 
         /// Configurable router that dispatches calls to modules
         type IsmpRouter: IsmpRouter + Default;
-
         /// Provides concrete implementations of consensus clients
         type ConsensusClientProvider: ConsensusClientProvider;
 
@@ -205,6 +204,11 @@ pub mod pallet {
     pub type LatestStateMachineHeight<T: Config> =
         StorageMap<_, Blake2_128Concat, StateMachineId, u64, ValueQuery>;
 
+    /// Bounded vec of allowed proxies
+    #[pallet::storage]
+    #[pallet::getter(fn allowed_proxies)]
+    pub type AllowedProxies<T: Config> = StorageValue<_, Vec<StateMachine>, ValueQuery>;
+
     /// Holds the timestamp at which a consensus client was recently updated.
     /// Used in ensuring that the configured challenge period elapses.
     #[pallet::storage]
@@ -365,6 +369,18 @@ pub mod pallet {
 
             Ok(())
         }
+
+        /// Set the allowed proxies
+        #[pallet::weight(<T as frame_system::Config>::DbWeight::get().writes(1))]
+        #[pallet::call_index(3)]
+        pub fn set_config(origin: OriginFor<T>, allowed: Vec<StateMachine>) -> DispatchResult {
+            T::AdminOrigin::ensure_origin(origin)?;
+
+            let host = Host::<T>::default();
+            host.store_allowed_proxies(allowed);
+
+            Ok(())
+        }
     }
 
     #[pallet::event]