add netty

Helius

2021-02-28 d8d653b40cc6565c72cccd28de831474e5d5c512

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

@@ -47,5 +47,6 @@
    public void calHoldOrderHoldFeeAmount();

    public Result changePositionType();
    public void calHoldFeeAmountForBondAmount();

}