add websocket

Helius

2021-02-24 5285d249e702eeab3ad3847aaa24523ef0f1a544

 src/main/java/com/xcong/excoin/modules/contract/entity/ContractOrderEntity.java

@@ -210,4 +210,9 @@
     */
    private BigDecimal holdBond;

    /**
     * 全仓爆仓时批次
     */
    private String batchNo;

}