chore: impl Holder for pallet_assets (#543)

chore: impl Holder for pallet_assets

Author: al3mart

runtime/devnet/src/config/assets.rs

@@ -138,6 +138,7 @@ impl pallet_assets::Config<TrustBackedAssetsInstance> for Runtime {
 	type Extra = ();
 	type ForceOrigin = AssetsForceOrigin;
 	type Freezer = ();
+	type Holder = ();
 	type MetadataDepositBase = MetadataDepositBase;
 	type MetadataDepositPerByte = MetadataDepositPerByte;
 	type RemoveItemsLimit = ConstU32<1000>;

runtime/mainnet/src/config/assets.rs

@@ -48,6 +48,7 @@ impl pallet_assets::Config<TrustBackedAssetsInstance> for Runtime {
 	type Extra = ();
 	type ForceOrigin = AssetsForceOrigin;
 	type Freezer = ();
+	type Holder = ();
 	type MetadataDepositBase = MetadataDepositBase;
 	type MetadataDepositPerByte = MetadataDepositPerByte;
 	type RemoveItemsLimit = ConstU32<1000>;
@@ -260,6 +261,15 @@ mod tests {
 			);
 		}
 
+		#[test]
+		fn holder_is_default() {
+			assert_eq!(
+				TypeId::of::<<Runtime as pallet_assets::Config<TrustBackedAssetsInstance>>::Holder>(
+				),
+				TypeId::of::<()>(),
+			);
+		}
+
 		#[test]
 		fn force_origin_ensures_root() {
 			assert_eq!(TypeId::of::<AssetsForceOrigin>(), TypeId::of::<EnsureRoot<AccountId>>(),);

runtime/testnet/src/config/assets.rs

@@ -45,6 +45,7 @@ impl pallet_assets::Config<TrustBackedAssetsInstance> for Runtime {
 	type Extra = ();
 	type ForceOrigin = AssetsForceOrigin;
 	type Freezer = ();
+	type Holder = ();
 	type MetadataDepositBase = MetadataDepositBase;
 	type MetadataDepositPerByte = MetadataDepositPerByte;
 	type RemoveItemsLimit = ConstU32<1000>;