diff --git a/pallets/minter-reward/src/tests.rs b/pallets/minter-reward/src/tests.rs
index 0754c0ee3..7c9376703 100644
--- a/pallets/minter-reward/src/tests.rs
+++ b/pallets/minter-reward/src/tests.rs
@@ -75,6 +75,12 @@ fn minter_reward_should_work() {
 
 		let deadline: BlockNumberFor<Runtime> = <frame_system::Pallet<Runtime>>::block_number() +
 			<Runtime as frame_system::Config>::BlockNumber::from(100u32);
+
+		assert_ok!(ZenlinkProtocol::create_pair(Origin::root(), ausd_asset_id, dot_asset_id));
+		assert_ok!(ZenlinkProtocol::create_pair(Origin::root(), ausd_asset_id, vdot_asset_id));
+		assert_ok!(ZenlinkProtocol::create_pair(Origin::root(), ausd_asset_id, ksm_asset_id));
+		assert_ok!(ZenlinkProtocol::create_pair(Origin::root(), ausd_asset_id, vksm_asset_id));
+
 		assert_ok!(ZenlinkProtocol::add_liquidity(
 			Origin::signed(ALICE),
 			ausd_asset_id,
diff --git a/runtime/dev/src/lib.rs b/runtime/dev/src/lib.rs
index 5f1e14e52..329bfc46c 100644
--- a/runtime/dev/src/lib.rs
+++ b/runtime/dev/src/lib.rs
@@ -1601,6 +1601,38 @@ impl_runtime_apis! {
 		) -> Option<PairInfo<AccountId, AssetBalance>> {
 			ZenlinkProtocol::get_pair_by_asset_id(asset_0, asset_1)
 		}
+
+		fn get_amount_in_price(
+			supply: AssetBalance,
+			path: Vec<AssetId>
+		) -> AssetBalance {
+			ZenlinkProtocol::desired_in_amount(supply, path)
+		}
+
+		fn get_amount_out_price(
+			supply: AssetBalance,
+			path: Vec<AssetId>
+		) -> AssetBalance {
+			ZenlinkProtocol::supply_out_amount(supply, path)
+		}
+
+		fn get_estimate_lptoken(
+			token_0: AssetId,
+			token_1: AssetId,
+			amount_0_desired: AssetBalance,
+			amount_1_desired: AssetBalance,
+			amount_0_min: AssetBalance,
+			amount_1_min: AssetBalance,
+		) -> AssetBalance{
+			ZenlinkProtocol::get_estimate_lptoken(
+				token_0,
+				token_1,
+				amount_0_desired,
+				amount_1_desired,
+				amount_0_min,
+				amount_1_min
+			)
+		}
 	}
 
 	impl bifrost_salp_rpc_runtime_api::SalpRuntimeApi<Block, ParaId, AccountId> for Runtime {