实现类型化订单有效期合同

2026-08-26 19:48:21 +08:00
parent bc0f5f6089
commit 8e238f9131
10 changed files with 1025 additions and 73 deletions
@@ -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());
    }
 }