diff --git a/README.md b/README.md
index bb35d67..85d8f92 100644
--- a/README.md
+++ b/README.md
@@ -19,6 +19,7 @@ A spot order is fulfilled when the specified price set by the trader aligns with
 - **Stop Loss Functionality**: Enable users to set automated orders that trigger when the asset's price reaches a specified lower limit, minimizing potential losses.
 - **Limit Sell Functionality**: Allow users to set automated orders that execute when the asset's price reaches a specified upper limit, securing profits.
 - **Limit Buy Fuctionality**: Allow user to set automated orders that execute when the limit price is reaches, securing profits.
+- **Market Buy Fuctionality**: Allow users to set automated orders that will execute at market price
 
 ### Margin Order
 
diff --git a/front_end_script/upload.js b/front_end_script/upload.js
index 30f9fe5..0aedaa1 100644
--- a/front_end_script/upload.js
+++ b/front_end_script/upload.js
@@ -158,3 +158,25 @@ async function getSpotOrders(pagination, order_type, owner_address) {
   );
   console.log(`Result: `, result);
 }
+
+async function SwapEstimationByDenom(amount, denom_in, denom_out) {
+  const sender_wallet = await DirectSecp256k1HdWallet.fromMnemonic(
+    sender.mnemonic,
+    { prefix: "elys" }
+  );
+  const sender_client = await SigningCosmWasmClient.connectWithSigner(
+    rpcEndpoint,
+    sender_wallet
+  );
+  const result = await sender_client.queryContractSmart(
+    trade_shield_contract_addr,
+    {
+      swap_estimation_by_denom: {
+        amount: amount,
+        denom_in: denom_in,
+        denom_out: denom_out,
+      },
+    }
+  );
+  console.log(`Result: `, result);
+}