change moonriver xtoken transfer weight param

pallets/slp/src/agents/moonbeam_agent/agent.rs

@@ -52,7 +52,7 @@ use xcm::{
 	opaque::latest::{
 		Junction::{AccountId32, Parachain},
 		Junctions::X1,
-		MultiLocation,
+		MultiLocation, WeightLimit,
 	},
 	VersionedMultiLocation,
 };
@@ -810,16 +810,12 @@ impl<T: Config>
 			),
 		}));
 
-		let (weight, _) =
-			XcmDestWeightAndFee::<T>::get(currency_id, XcmOperation::XtokensTransferBack)
-				.ok_or(Error::<T>::WeightAndFeeNotExists)?;
-
 		// Construct xcm message.
 		let call = MoonbeamCall::Xtokens(MoonbeamXtokensCall::Transfer(
 			MoonbeamCurrencyId::SelfReserve,
 			amount.unique_saturated_into(),
 			dest,
-			weight,
+			WeightLimit::Unlimited,
 		));
 
 		// Wrap the xcm message as it is sent from a subaccount of the parachain account, and

pallets/slp/src/agents/moonbeam_agent/types.rs

@@ -16,16 +16,14 @@
 // You should have received a copy of the GNU General Public License
 // along with this program. If not, see <https://www.gnu.org/licenses/>.
 
-use crate::{agents::SystemCall, Weight};
+use crate::{agents::SystemCall, BalanceOf, Config};
 use codec::{Decode, Encode};
 use frame_support::RuntimeDebug;
 use scale_info::TypeInfo;
 use sp_core::H160;
 use sp_runtime::traits::{IdentityLookup, StaticLookup};
 use sp_std::{boxed::Box, vec::Vec};
-use xcm::VersionedMultiLocation;
-
-use crate::{BalanceOf, Config};
+use xcm::{opaque::latest::WeightLimit, VersionedMultiLocation};
 
 #[derive(Encode, Decode, RuntimeDebug, Clone)]
 pub enum MoonbeamCall<T: Config> {
@@ -83,7 +81,7 @@ pub enum MoonbeamParachainStakingCall<T: Config> {
 #[derive(Encode, Decode, RuntimeDebug, Clone)]
 pub enum MoonbeamXtokensCall<T: Config> {
 	#[codec(index = 0)]
-	Transfer(MoonbeamCurrencyId, BalanceOf<T>, Box<VersionedMultiLocation>, Weight),
+	Transfer(MoonbeamCurrencyId, BalanceOf<T>, Box<VersionedMultiLocation>, WeightLimit),
 }
 
 #[derive(PartialEq, Eq, Copy, Clone, Encode, Decode, RuntimeDebug, TypeInfo)]