Added update_snapshot ext (#633)

## Describe your changes
1. Added update_snapshot ext.
2. Made submit_snapshot ext feeless.
3. Updated spec_version to 282.

.github/workflows/ci.yml

@@ -87,7 +87,8 @@ jobs:
       - name: Run Cargo Trampulin
         uses: actions-rs/tarpaulin@v0.1
         with:
-          args: '--exclude polkadex-node node-polkadex-runtime --workspace --timeout 180'
+          version: '0.22.0'
+          args: '--avoid-cfg-tarpaulin --exclude polkadex-node node-polkadex-runtime --workspace --timeout 180'
       - name: Upload to codecov.io
         uses: codecov/codecov-action@v3
         with:

pallets/ocex/src/lib.rs

@@ -738,6 +738,14 @@ pub mod pallet {
 			})
 		}
 
+		//TODO: Benchmark set_snapshot
+		#[pallet::weight(<T as Config>::WeightInfo::submit_snapshot())]
+		pub fn set_snapshot(origin: OriginFor<T>, new_snapshot_id: u32) -> DispatchResult {
+			T::GovernanceOrigin::ensure_origin(origin)?;
+			<SnapshotNonce<T>>::put(new_snapshot_id);
+			Ok(())
+		}
+
 		/// Extrinsic used by enclave to submit balance snapshot and withdrawal requests
 		#[pallet::weight(<T as Config>::WeightInfo::submit_snapshot())]
 		pub fn submit_snapshot(
@@ -749,7 +757,7 @@ pub mod pallet {
 				SnapshotAccLimit,
 			>,
 			signature: T::Signature,
-		) -> DispatchResult {
+		) -> DispatchResultWithPostInfo {
 			let _ = ensure_signed(origin)?;
 			ensure!(
 				<RegisteredEnclaves<T>>::contains_key(&snapshot.enclave_id),
@@ -799,7 +807,7 @@ pub mod pallet {
 			snapshot.fees = Default::default();
 			<Snapshots<T>>::insert(current_snapshot_nonce, snapshot.clone());
 			<SnapshotNonce<T>>::put(current_snapshot_nonce);
-			Ok(())
+			Ok(Pays::No.into())
 		}
 
 		// FIXME Only for testing will be removed before mainnet launch

runtime/src/lib.rs

@@ -117,7 +117,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	// and set impl_version to 0. If only runtime
 	// implementation changes and behavior does not, then leave spec_version as
 	// is and increment impl_version.
-	spec_version: 280,
+	spec_version: 282,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 	transaction_version: 2,