diff --git a/market/v1/msg.proto b/market/v1/msg.proto
index 3e32949..5ba5249 100644
--- a/market/v1/msg.proto
+++ b/market/v1/msg.proto
@@ -18,7 +18,7 @@ message MarketOrder {
   double total_price = 7;
   MarketOrderType type = 8;
   MarketOrderStatus status = 9;
-  string from = 10;
+  int64 from = 10;
   float commission = 11;
   float completion_rate = 12;
   string created_at = 13;
@@ -27,6 +27,7 @@ message MarketOrder {
   wallet.v1.TransactionList trx = 16;
   repeated string tags = 17;
   repeated string comment = 18;
+  optional MarketOrder parent = 19; // purchase is done via this field
   // repeated string attachments = 14; // possible files included by seller/buyer
 }
 
@@ -34,6 +35,7 @@ message MarketAssetListReq{
   base.v1.BaseQueryParam base = 1;
   optional auth.v1.InternalIAM iam = 2; // If not set, will returns only public orders which are limited by a white list
 }
+
 message MarketAssetList{
   repeated wallet.v1.Asset list = 1;
 }
diff --git a/market/v1/srv.proto b/market/v1/srv.proto
index 2f72e8c..eb4c9ce 100644
--- a/market/v1/srv.proto
+++ b/market/v1/srv.proto
@@ -10,7 +10,7 @@ service MarketplaceSrv {
   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 GetAssetList(MarketAssetListReq) returns (MarketAssetList); //  assets that can be listed in marketplace
+  rpc GetMarketAssetList(MarketAssetListReq) returns (MarketAssetList); //  assets that can be listed in marketplace
 
   rpc GetSellerList(OrderListFilter) returns (MarketOrderList); //  list of orders by sellers
   rpc GetBuyerList(OrderListFilter) returns (MarketOrderList); //  list of orders by buyers
@@ -18,7 +18,6 @@ service MarketplaceSrv {
   rpc NewSellOrder(NewMarketReq) returns (MarketOrder); // insert new sell order to market
   rpc NewBuyOrder(NewMarketReq) returns (MarketOrder); // insert new buy order to market
 
-
   rpc Purchace(PurchaseReq) returns (PurchaseRes); // purchase from an order
 
   rpc CancelOrder(auth.v1.IdReqWithIAM) returns (base.v1.StatusRes); // cancel an order
diff --git a/wallet/v1/msg.proto b/wallet/v1/msg.proto
index 7339ebd..b51a347 100644
--- a/wallet/v1/msg.proto
+++ b/wallet/v1/msg.proto
@@ -239,6 +239,9 @@ enum TransactionType {
   WAGE = 7;
   EXTERNAL_DEPOSIT = 8;
   INTERNAL_DEPOSIT = 9;
+  MARKETPLACE_BUY = 10;
+  MARKETPLACE_SELL = 11;
+  LOCK = 12;
 }
 
 enum TransactionStatus {