adding trade-index in Order and SmallOrder Struct

src/message.rs

@@ -110,7 +110,6 @@ impl Message {
         sig: Option<Signature>,
     ) -> Self {
         let kind = MessageKind::new(id, request_id, trade_index, action, content, sig);
-
         Self::Order(kind)
     }
 
@@ -358,10 +357,10 @@ impl MessageKind {
     }
 
     pub fn has_trade_index(&self) -> (bool, i64) {
-        if let Some(index) = self.trade_index{
-            return (true,index)
+        if let Some(index) = self.trade_index {
+            return (true, index);
         }
-        (false,0)
+        (false, 0)
     }
 
     pub fn verify_content_signature(&self, pubkey: PublicKey) -> bool {

src/order.rs

@@ -144,6 +144,7 @@ pub struct Order {
     pub failed_payment: bool,
     pub payment_attempts: i64,
     pub expires_at: i64,
+    pub trade_index: Option<i64>,
 }
 
 impl Order {
@@ -166,6 +167,7 @@ impl Order {
             Some(self.expires_at),
             None,
             None,
+            self.trade_index,
         )
     }
 
@@ -198,6 +200,7 @@ pub struct SmallOrder {
     pub expires_at: Option<i64>,
     pub buyer_token: Option<u16>,
     pub seller_token: Option<u16>,
+    pub trade_index: Option<i64>,
 }
 
 #[allow(dead_code)]
@@ -221,6 +224,7 @@ impl SmallOrder {
         expires_at: Option<i64>,
         buyer_token: Option<u16>,
         seller_token: Option<u16>,
+        trade_index: Option<i64>,
     ) -> Self {
         Self {
             id,
@@ -240,6 +244,7 @@ impl SmallOrder {
             expires_at,
             buyer_token,
             seller_token,
+            trade_index,
         }
     }
     /// New order from json string

src/user.rs

@@ -27,7 +27,7 @@ impl User {
         is_solver: i64,
         is_banned: i64,
         category: i64,
-        trade_index: i64
+        trade_index: i64,
     ) -> Self {
         Self {
             id: Uuid::new_v4(),
@@ -37,7 +37,7 @@ impl User {
             is_banned,
             category,
             created_at: Utc::now().timestamp(),
-            trade_index
+            trade_index,
         }
     }
 }