add new interface

src/main/java/com/huobi/wss/event/ContractElementSubResponse.java

@@ -0,0 +1,110 @@
+package com.huobi.wss.event;
+import com.google.gson.annotations.SerializedName;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+import java.math.BigDecimal;
+import java.util.List;
+
+@Data
+@AllArgsConstructor
+public class ContractElementSubResponse {
+    private String op;
+    private String topic;
+    private long ts;
+    private List<DataEntry> data;
+    public static class DataEntry {
+        private String contract_code;
+        private int mode_type;
+        private int swap_delivery_type;
+        private String instrument_index_code;
+        private int real_time_settlement;
+        private double transfer_profit_ratio;
+        private double cross_transfer_profit_ratio;
+        private List<String> instrument_type;
+        private String trade_partition;
+        private int min_level;
+        private int max_level;
+        private int settle_period;
+        private int funding_rate_cap;
+        private int funding_rate_floor;
+        private ContractInfos contract_infos;
+        private List<PriceTick> price_ticks;
+        private List<InstrumentValue> instrument_values;
+        private List<OrderLimit> order_limits;
+        private NormalLimit normal_limits;
+        private OpenLimit open_limits;
+        private TradeLimit trade_limits;
+
+        // Getters and setters
+    }
+
+    public static class ContractInfos {
+        private String contract_code;
+        private String instrument_type;
+        private String settlement_date;
+        private String delivery_time;
+        private String create_date;
+        private int contract_status;
+        private String delivery_date;
+        private ContractInfoDetails contract_infos;
+
+        // Getters and setters
+    }
+
+    public static class ContractInfoDetails {
+        private int long_position_limit;
+        private int offset_order_limit;
+        private int open_order_limit;
+        private int short_position_limit;
+
+        // Getters and setters
+    }
+
+    public static class PriceTick {
+        private int business_type;
+        private String price;
+
+        // Getters and setters
+    }
+
+    public static class InstrumentValue {
+        private int business_type;
+        private String price;
+
+        // Getters and setters
+    }
+
+    public static class OrderLimit {
+        private int instrument_type;
+        private String open;
+        private String close;
+        private String open_after_closing;
+
+        // Getters and setters
+    }
+
+    public static class NormalLimit {
+        private int instrument_type;
+        private String open;
+        private String close;
+
+        // Getters and setters
+    }
+
+    public static class OpenLimit {
+        private int instrument_type;
+        private String open;
+        private String close;
+
+        // Getters and setters
+    }
+
+    public static class TradeLimit {
+        private int instrument_type;
+        private String open;
+        private String close;
+
+        // Getters and setters
+    }
+}

src/main/java/com/huobi/wss/event/SymbolContractElementSubResponse.java

@@ -0,0 +1,78 @@
+package com.huobi.wss.event;
+import com.google.gson.annotations.SerializedName;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+
+import java.math.BigDecimal;
+import java.util.List;
+
+@Data
+@AllArgsConstructor
+public class SymbolContractElementSubResponse {
+    private String op;
+    private String topic;
+    private Long ts;
+    private List<Data> data;
+    public static class Data {
+        private String contract_code;
+        private String instrument_index_code;
+        private Integer real_time_settlement;
+        private Number transfer_profit_ratio;
+        private Integer min_level;
+        private Integer max_level;
+        private List<ContractInfo> contract_infos;
+        private String delivery_time;
+        private String create_date;
+        private Integer contract_status;
+        private String delivery_date;
+        private Integer open_order_limit;
+        private Integer offset_order_limit;
+        private Integer long_position_limit;
+        private Integer short_position_limit;
+        private Integer week_hig_normal_limit;
+        private Integer week_min_normal_limit;
+        private Integer week_hig_open_limit;
+        private Integer week_min_open_limit;
+        private Integer week_hig_trade_limit;
+        private Integer week_min_trade_limit;
+        private Integer biweek_hig_normal_limit;
+        private Integer biweek_min_normal_limit;
+        private Integer biweek_hig_open_limit;
+        private Integer biweek_min_open_limit;
+        private Integer biweek_hig_trade_limit;
+        private Integer biweek_min_trade_limit;
+        private Integer quarter_hig_normal_limit;
+        private Integer quarter_min_normal_limit;
+        private Integer quarter_hig_open_limit;
+        private Integer quarter_min_open_limit;
+        private Integer quarter_hig_trade_limit;
+        private Integer quarter_min_trade_limit;
+        private Integer biquarter_hig_normal_limit;
+        private Integer biquarter_min_normal_limit;
+        private Integer biquarter_hig_open_limit;
+        private Integer biquarter_min_open_limit;
+        private Integer biquarter_hig_trade_limit;
+        private Integer biquarter_min_trade_limit;
+        private List<Integer> instrument_type;
+        private List<OrderLimit> order_limits;
+    }
+
+    public static class ContractInfo {
+        private String contract_code;
+        private List<Integer> instrument_type;
+        private String delivery_time;
+        private String create_date;
+        private Integer contract_status;
+        private String delivery_date;
+
+        // Getters and setters
+    }
+
+    public static class OrderLimit {
+        private Integer instrument_type;
+        private String open;
+        private String close;
+
+        // Getters and setters
+    }
+}