diff --git a/market/v1/msg.proto b/market/v1/msg.proto
index 6765495..c717b7b 100644
--- a/market/v1/msg.proto
+++ b/market/v1/msg.proto
@@ -34,15 +34,15 @@ message CalcMarketReq {
   int64 counter_asset_id = 3;
   double amount = 4;
   double unit_price = 5;
-  MarketParticipantType type = 6;
-  wallet.v1.BuyAssetSide req_side = 7; // For Calculation : can be from asset or irt
+  MarketParticipantType participant_type = 6;
+  optional wallet.v1.BuyAssetSide req_side = 7; // For Calculation : can be from asset or irt
 }
 
 message CalcMarketRes {
   double calculated_irt_amount = 1;
   double calculated_asset_amount = 2;
   wallet.v1.EffectiveCommission commission = 3;
-  MarketParticipantType type = 4;
+  MarketParticipantType participant_type = 4;
   wallet.v1.BuyAssetSide req_side = 5; // For Calculation : can be from asset or irt
 }
 
@@ -59,17 +59,18 @@ message MarketOrder {
   MarketOrderSide side = 8;
   MarketOrderStatus status = 9;
   int64 from = 10;
-  auth.v1.UserIdentityBasic from_identity = 11;
-  wallet.v1.Commission commission = 12;
-  double completed_amount = 13;
-  double available_amount = 14;
-  string created_at = 15;
-  string updated_at = 16;
-  bool is_public = 17;
-  wallet.v1.TransactionList trx = 18;
-  repeated string tags = 19;
-  repeated string comment = 20;
-  optional MarketOrder source = 21; // purchase is done via this field
+  MarketParticipantType participant_type = 11;
+  auth.v1.UserIdentityBasic from_identity = 12;
+  wallet.v1.Commission commission = 13;
+  double completed_amount = 14;
+  double available_amount = 15;
+  string created_at = 16;
+  string updated_at = 17;
+  bool is_public = 18;
+  wallet.v1.TransactionList trx = 19;
+  repeated string tags = 20;
+  repeated string comment = 21;
+  optional MarketOrder source = 22; // purchase is done via this field
   // repeated string attachments = 14; // possible files included by
   // seller/buyer
 }
@@ -117,11 +118,12 @@ message NewMarketReq {
   int64 counter_asset_id = 3;
   double amount = 4;
   double unit_price = 5;
-  MarketParticipantType type = 6;
-  wallet.v1.BuyAssetSide req_side = 7; // For Calculation : can be from asset or irt
+  // TODO: Change name
+  MarketParticipantType participant_type = 6;
+  // For Calculation : can be from asset or irt
+  wallet.v1.BuyAssetSide req_side = 7;
   MarketOrderSide side = 8;
-  optional auth.v1.TFA tfa = 9;
-  optional bool accepted_contract = 10;
+  // TODO: maker market order as optional
 }
 
 enum MarketOrdersSortBy {
@@ -145,7 +147,7 @@ message OrderListFilter {
   repeated string to = 7;
   optional double starting_price = 8;
   optional double ending_price = 9;
-  repeated wallet.v1.Asset asset = 10;
+  repeated uint64 asset = 10;
   optional uint64 order_id = 11;
   optional uint64 trx_id = 12;
   optional bool is_public = 13;
@@ -161,10 +163,11 @@ message OrderListFilter {
 /* Contract */
 message ContractMarketRes {
   string link = 1;
-  uint64 agreement_id = 2;
-  uint64 transaction_id = 3;
-  string contract_hash = 4;
-  string contract_content = 5;
+  uint64 asset_id = 2;
+  uint64 agreement_id = 3;
+  uint64 transaction_id = 4;
+  string contract_hash = 5;
+  string contract_content = 6;
 }
 
 message DeclineMarketContractReq {
@@ -172,9 +175,16 @@ message DeclineMarketContractReq {
   uint64 agreement_id = 2;
 }
 
+message ConfirmMarketContractReq {
+  auth.v1.InternalIAM iam = 1;
+  uint64 agreement_id = 2;
+  optional auth.v1.TFA tfa = 3;
+}
+
 message MarketContractReq {
   auth.v1.InternalIAM iam = 1;
+  // uint64 asset_id = 2;
   uint64 order_id = 2; // Maker OrderID
-  double amount = 3;
-  wallet.v1.BuyAssetSide req_side = 4;
+  // double amount = 4;
+  // wallet.v1.BuyAssetSide req_side = 5;
 }
diff --git a/market/v1/srv.proto b/market/v1/srv.proto
index b062304..26f6b3b 100644
--- a/market/v1/srv.proto
+++ b/market/v1/srv.proto
@@ -7,24 +7,20 @@ import "base/v1/msg.proto";
 import "market/v1/msg.proto";
 
 service MarketplaceSrv {
-  rpc CalcMarketOrder(CalcMarketReq) returns (CalcMarketRes);
 
   rpc MarketplaceSrvHealth(base.v1.Empty) returns (base.v1.StatusRes);
 
+  rpc GetMarketPubHistory(OrderListFilter) returns (MarketOrderList); // This is for public market
+  rpc GetUserMarketHistory(OrderListFilter) returns (MarketOrderList); // list of order + purchase related to buying an asset
   rpc GetMarketOrderDet(auth.v1.IdReqWithIAM) returns (MarketOrder); // details of an order by id
   rpc GetAllOrderList(OrderListFilter) returns (MarketOrderList); // list of all orders (seller and buyer combined)
-
   rpc GetMarketAssetList(MarketAssetListReq) returns (MarketAssetList); //  assets that can be listed in marketplace
 
-  rpc NewMarketOrder(NewMarketReq) returns (MarketOrder); // insert new buy order to market
-
-  rpc Purchase(PurchaseReq) returns (PurchaseRes); // purchase from an order
+  rpc CalcMarketOrder(CalcMarketReq) returns (CalcMarketRes);
 
   rpc CancelOrder(auth.v1.IdReqWithIAMAndTFA) returns (base.v1.StatusRes); // cancel an order
 
-  rpc GetMarketPubHistory(OrderListFilter) returns (MarketOrderList); // This is for public market
-  rpc GetUserMarketHistory(OrderListFilter) returns (MarketOrderList); // list of order + purchase related to buying an asset
-
-  // Contract
+  rpc NewMarketOrder(NewMarketReq) returns (MarketOrder); // insert new buy order to market
   rpc GenerateMarketContract(MarketContractReq) returns (ContractMarketRes);
+  rpc ConfirmMarketContract(ConfirmMarketContractReq) returns (base.v1.StatusRes);
 }