Snowbridge - Ethereum Client - Public storage items (#4501)

Changes the Ethereum client storage scope to public, so it can be set in
a migration.

When merged, we should backport to the all other release branches:

- [ ] release-crates-io-v1.7.0 - patch release the fellows BridgeHubs
runtimes https://github.com/paritytech/polkadot-sdk/pull/4504
- [ ] release-crates-io-v1.8.0 -
https://github.com/paritytech/polkadot-sdk/pull/4505
- [ ] release-crates-io-v1.9.0 -
https://github.com/paritytech/polkadot-sdk/pull/4506
- [ ] release-crates-io-v1.10.0 -
https://github.com/paritytech/polkadot-sdk/pull/4507
- [ ] release-crates-io-v1.11.0 -
https://github.com/paritytech/polkadot-sdk/pull/4508
- [ ] release-crates-io-v1.12.0 (commit soon)

bridges/snowbridge/pallets/ethereum-client/src/lib.rs

@@ -139,41 +139,39 @@ pub mod pallet {
 	/// Latest imported checkpoint root
 	#[pallet::storage]
 	#[pallet::getter(fn initial_checkpoint_root)]
-	pub(super) type InitialCheckpointRoot<T: Config> = StorageValue<_, H256, ValueQuery>;
+	pub type InitialCheckpointRoot<T: Config> = StorageValue<_, H256, ValueQuery>;
 
 	/// Latest imported finalized block root
 	#[pallet::storage]
 	#[pallet::getter(fn latest_finalized_block_root)]
-	pub(super) type LatestFinalizedBlockRoot<T: Config> = StorageValue<_, H256, ValueQuery>;
+	pub type LatestFinalizedBlockRoot<T: Config> = StorageValue<_, H256, ValueQuery>;
 
 	/// Beacon state by finalized block root
 	#[pallet::storage]
 	#[pallet::getter(fn finalized_beacon_state)]
-	pub(super) type FinalizedBeaconState<T: Config> =
+	pub type FinalizedBeaconState<T: Config> =
 		StorageMap<_, Identity, H256, CompactBeaconState, OptionQuery>;
 
 	/// Finalized Headers: Current position in ring buffer
 	#[pallet::storage]
-	pub(crate) type FinalizedBeaconStateIndex<T: Config> = StorageValue<_, u32, ValueQuery>;
+	pub type FinalizedBeaconStateIndex<T: Config> = StorageValue<_, u32, ValueQuery>;
 
 	/// Finalized Headers: Mapping of ring buffer index to a pruning candidate
 	#[pallet::storage]
-	pub(crate) type FinalizedBeaconStateMapping<T: Config> =
+	pub type FinalizedBeaconStateMapping<T: Config> =
 		StorageMap<_, Identity, u32, H256, ValueQuery>;
 
 	#[pallet::storage]
 	#[pallet::getter(fn validators_root)]
-	pub(super) type ValidatorsRoot<T: Config> = StorageValue<_, H256, ValueQuery>;
+	pub type ValidatorsRoot<T: Config> = StorageValue<_, H256, ValueQuery>;
 
 	/// Sync committee for current period
 	#[pallet::storage]
-	pub(super) type CurrentSyncCommittee<T: Config> =
-		StorageValue<_, SyncCommitteePrepared, ValueQuery>;
+	pub type CurrentSyncCommittee<T: Config> = StorageValue<_, SyncCommitteePrepared, ValueQuery>;
 
 	/// Sync committee for next period
 	#[pallet::storage]
-	pub(super) type NextSyncCommittee<T: Config> =
-		StorageValue<_, SyncCommitteePrepared, ValueQuery>;
+	pub type NextSyncCommittee<T: Config> = StorageValue<_, SyncCommitteePrepared, ValueQuery>;
 
 	/// The current operating mode of the pallet.
 	#[pallet::storage]

bridges/snowbridge/pallets/ethereum-client/src/types.rs

@@ -18,7 +18,7 @@ pub type NextSyncCommitteeUpdate = primitives::NextSyncCommitteeUpdate<SC_SIZE>;
 pub use primitives::{AncestryProof, ExecutionProof};
 
 /// FinalizedState ring buffer implementation
-pub(crate) type FinalizedBeaconStateBuffer<T> = RingBufferMapImpl<
+pub type FinalizedBeaconStateBuffer<T> = RingBufferMapImpl<
 	u32,
 	crate::MaxFinalizedHeadersToKeep<T>,
 	crate::FinalizedBeaconStateIndex<T>,