-

Author: greensheng

matching/order_book.go

@@ -287,7 +287,9 @@ func (d *depth) decrSize(orderId int64, size decimal.Decimal) error {
 order.Size = order.Size.Sub(size)
 if order.Size.IsZero() {
 delete(d.orders, orderId)
-d.queue.Remove(&priceOrderIdKey{order.Price, order.OrderId})
+if d.queue.Empty() {
+d.queue.Remove(&priceOrderIdKey{order.Price, order.OrderId})
+}
 }
 
 return nil