实现类型化订单有效期合同

crates/fidc-core/src/events.rs

@@ -72,6 +72,7 @@ pub enum OrderStatus {
     PartiallyFilled,
     Canceled,
     Rejected,
+    Expired,
 }
 
 impl OrderStatus {
@@ -82,6 +83,7 @@ impl OrderStatus {
             Self::PartiallyFilled => "partially_filled",
             Self::Canceled => "canceled",
             Self::Rejected => "rejected",
+            Self::Expired => "expired",
         }
     }
 }
@@ -128,6 +130,7 @@ impl OrderEvent {
             }
             OrderStatus::Canceled => self.filled_quantity < self.requested_quantity,
             OrderStatus::Rejected => self.filled_quantity == 0,
+            OrderStatus::Expired => self.filled_quantity < self.requested_quantity,
         };
         if !quantity_valid {
             return Err(format!(
@@ -327,10 +330,16 @@ mod tests {
         assert!(order_event(OrderStatus::Filled, 100).validate().is_ok());
         assert!(order_event(OrderStatus::Canceled, 40).validate().is_ok());
         assert!(order_event(OrderStatus::Rejected, 0).validate().is_ok());
+        assert!(order_event(OrderStatus::Expired, 40).validate().is_ok());
 
-        assert!(order_event(OrderStatus::PartiallyFilled, 0).validate().is_err());
+        assert!(
+            order_event(OrderStatus::PartiallyFilled, 0)
+                .validate()
+                .is_err()
+        );
         assert!(order_event(OrderStatus::Filled, 99).validate().is_err());
         assert!(order_event(OrderStatus::Canceled, 100).validate().is_err());
         assert!(order_event(OrderStatus::Rejected, 1).validate().is_err());
+        assert!(order_event(OrderStatus::Expired, 100).validate().is_err());
     }
 }