finish all contract interface

Helius

2020-06-05 9da52c963fcbee66a3b299bb687c1efbbafe93a7

 src/main/java/com/xcong/excoin/modules/contract/service/ContractHoldOrderService.java

@@ -40,4 +40,6 @@

    public Result findOrderList(OrderListDto orderListDto);

    public Result findOrderDetailById(Long id);

}