diff --git a/market/v1/msg.proto b/market/v1/msg.proto
index a0719f1..41b9510 100644
--- a/market/v1/msg.proto
+++ b/market/v1/msg.proto
@@ -88,16 +88,17 @@ message PurchaseReq {
   auth.v1.InternalIAM iam = 1;
   uint64 order_id = 2;
   double amount = 3;
+  wallet.v1.BuyAssetSide req_side = 7; // For Calculation : can be from asset or irt
   optional bool accepted_contract = 4;
   optional auth.v1.TFA tfa = 5;
 }
+
 message PurchaseRes {
   uint64 order_id = 1;
-  optional uint64 trx_id = 2;
-  double req_amount = 3;
-  double commission_amount = 4;
-  double calculated_amount = 5;
-  MarketOrderStatus status = 6;
+  double calculated_irt_amount = 2;
+  double calculated_asset_amount = 3;
+  wallet.v1.EffectiveCommission commission = 4;
+  MarketOrderStatus status = 5;
 }
 
 message MarketOrderList {