Add data handler for order book data (#1212)

* order book

* clean hx

qlib/contrib/data/highfreq_handler.py

@@ -137,8 +137,7 @@ class HighFreqBacktestHandler(DataHandler):
         names = []
 
         template_if = "If(IsNull({1}), {0}, {1})"
-        template_paused = "Select(Gt($hx_paused_num, 1.001), {0})"
-        # template_paused = "{0}"
+        template_paused = "Select(Gt($paused_num, 1.001), {0})"
         template_fillnan = "FFillNan({0})"
         fields += [
             template_fillnan.format(template_paused.format("$close")),
@@ -162,3 +161,249 @@ class HighFreqBacktestHandler(DataHandler):
         names += ["$factor0"]
 
         return fields, names
+
+
+class HighFreqOrderHandler(DataHandlerLP):
+    def __init__(
+        self,
+        instruments="csi300",
+        start_time=None,
+        end_time=None,
+        infer_processors=[],
+        learn_processors=[],
+        fit_start_time=None,
+        fit_end_time=None,
+        drop_raw=True,
+    ):
+        def check_transform_proc(proc_l):
+            new_l = []
+            for p in proc_l:
+                p["kwargs"].update(
+                    {
+                        "fit_start_time": fit_start_time,
+                        "fit_end_time": fit_end_time,
+                    }
+                )
+                new_l.append(p)
+            return new_l
+
+        infer_processors = check_transform_proc(infer_processors)
+        learn_processors = check_transform_proc(learn_processors)
+
+        data_loader = {
+            "class": "QlibDataLoader",
+            "kwargs": {
+                "config": self.get_feature_config(),
+                "swap_level": False,
+                "freq": "1min",
+            },
+        }
+        super().__init__(
+            instruments=instruments,
+            start_time=start_time,
+            end_time=end_time,
+            data_loader=data_loader,
+            infer_processors=infer_processors,
+            learn_processors=learn_processors,
+            drop_raw=drop_raw,
+        )
+
+    def get_feature_config(self):
+        fields = []
+        names = []
+
+        template_if = "If(IsNull({1}), {0}, {1})"
+        template_ifinf = "If(IsInf({1}), {0}, {1})"
+        template_paused = "Select(Gt($paused_num, 1.001), {0})"
+
+        def get_normalized_price_feature(price_field, shift=0):
+            # norm with the close price of 237th minute of yesterday.
+            if shift == 0:
+                template_norm = "{0}/DayLast(Ref({1}, 243))"
+            else:
+                template_norm = "Ref({0}, " + str(shift) + ")/DayLast(Ref({1}, 243))"
+
+            template_fillnan = "FFillNan({0})"
+            # calculate -> ffill -> remove paused
+            feature_ops = template_paused.format(
+                template_fillnan.format(
+                    template_norm.format(template_if.format("$close", price_field), template_fillnan.format("$close"))
+                )
+            )
+            return feature_ops
+
+        def get_normalized_vwap_price_feature(price_field, shift=0):
+            # norm with the close price of 237th minute of yesterday.
+            if shift == 0:
+                template_norm = "{0}/DayLast(Ref({1}, 243))"
+            else:
+                template_norm = "Ref({0}, " + str(shift) + ")/DayLast(Ref({1}, 243))"
+
+            template_fillnan = "FFillNan({0})"
+            # calculate -> ffill -> remove paused
+            feature_ops = template_paused.format(
+                template_fillnan.format(
+                    template_norm.format(
+                        template_if.format("$close", template_ifinf.format("$close", price_field)),
+                        template_fillnan.format("$close"),
+                    )
+                )
+            )
+            return feature_ops
+
+        fields += [get_normalized_price_feature("$open", 0)]
+        fields += [get_normalized_price_feature("$high", 0)]
+        fields += [get_normalized_price_feature("$low", 0)]
+        fields += [get_normalized_price_feature("$close", 0)]
+        fields += [get_normalized_vwap_price_feature("$vwap", 0)]
+        names += ["$open", "$high", "$low", "$close", "$vwap"]
+
+        fields += [get_normalized_price_feature("$open", 240)]
+        fields += [get_normalized_price_feature("$high", 240)]
+        fields += [get_normalized_price_feature("$low", 240)]
+        fields += [get_normalized_price_feature("$close", 240)]
+        fields += [get_normalized_vwap_price_feature("$vwap", 240)]
+        names += ["$open_1", "$high_1", "$low_1", "$close_1", "$vwap_1"]
+
+        fields += [get_normalized_price_feature("$bid", 0)]
+        fields += [get_normalized_price_feature("$ask", 0)]
+        names += ["$bid", "$ask"]
+
+        fields += [get_normalized_price_feature("$bid", 240)]
+        fields += [get_normalized_price_feature("$ask", 240)]
+        names += ["$bid_1", "$ask_1"]
+
+        # calculate and fill nan with 0
+
+        def get_volume_feature(volume_field, shift=0):
+            template_gzero = "If(Ge({0}, 0), {0}, 0)"
+            if shift == 0:
+                feature_ops = template_gzero.format(
+                    template_paused.format(
+                        "If(IsInf({0}), 0, {0})".format(
+                            "If(IsNull({0}), 0, {0})".format(
+                                "{0}/Ref(DayLast(Mean({0}, 7200)), 240)".format(volume_field)
+                            )
+                        )
+                    )
+                )
+            else:
+                feature_ops = template_gzero.format(
+                    template_paused.format(
+                        "If(IsInf({0}), 0, {0})".format(
+                            "If(IsNull({0}), 0, {0})".format(
+                                f"Ref({{0}}, {shift})/Ref(DayLast(Mean({{0}}, 7200)), 240)".format(volume_field)
+                            )
+                        )
+                    )
+                )
+            return feature_ops
+
+        fields += [get_volume_feature("$volume", 0)]
+        names += ["$volume"]
+
+        fields += [get_volume_feature("$volume", 240)]
+        names += ["$volume_1"]
+
+        fields += [get_volume_feature("$bidV", 0)]
+        fields += [get_volume_feature("$bidV1", 0)]
+        fields += [get_volume_feature("$bidV3", 0)]
+        fields += [get_volume_feature("$bidV5", 0)]
+        fields += [get_volume_feature("$askV", 0)]
+        fields += [get_volume_feature("$askV1", 0)]
+        fields += [get_volume_feature("$askV3", 0)]
+        fields += [get_volume_feature("$askV5", 0)]
+        names += ["$bidV", "$bidV1", "$bidV3", "$bidV5", "$askV", "$askV1", "$askV3", "$askV5"]
+
+        fields += [get_volume_feature("$bidV", 240)]
+        fields += [get_volume_feature("$bidV1", 240)]
+        fields += [get_volume_feature("$bidV3", 240)]
+        fields += [get_volume_feature("$bidV5", 240)]
+        fields += [get_volume_feature("$askV", 240)]
+        fields += [get_volume_feature("$askV1", 240)]
+        fields += [get_volume_feature("$askV3", 240)]
+        fields += [get_volume_feature("$askV5", 240)]
+        names += ["$bidV_1", "$bidV1_1", "$bidV3_1", "$bidV5_1", "$askV_1", "$askV1_1", "$askV3_1", "$askV5_1"]
+
+        return fields, names
+
+
+class HighFreqBacktestOrderHandler(DataHandler):
+    def __init__(
+        self,
+        instruments="csi300",
+        start_time=None,
+        end_time=None,
+    ):
+        data_loader = {
+            "class": "QlibDataLoader",
+            "kwargs": {
+                "config": self.get_feature_config(),
+                "swap_level": False,
+                "freq": "1min",
+            },
+        }
+        super().__init__(
+            instruments=instruments,
+            start_time=start_time,
+            end_time=end_time,
+            data_loader=data_loader,
+        )
+
+    def get_feature_config(self):
+        fields = []
+        names = []
+
+        template_if = "If(IsNull({1}), {0}, {1})"
+        template_paused = "Select(Gt($hx_paused_num, 1.001), {0})"
+        # template_paused = "{0}"
+        template_fillnan = "FFillNan({0})"
+        fields += [
+            template_fillnan.format(template_paused.format("$close")),
+        ]
+        names += ["$close0"]
+
+        fields += [
+            template_paused.format(
+                template_if.format(
+                    template_fillnan.format("$close"),
+                    "$vwap",
+                )
+            )
+        ]
+        names += ["$vwap0"]
+
+        fields += [template_paused.format("If(IsNull({0}), 0, {0})".format("$volume"))]
+        names += ["$volume0"]
+
+        fields += [template_paused.format("If(IsNull({0}), 0, {0})".format("$bid"))]
+        names += ["$bid0"]
+
+        fields += [template_paused.format("If(IsNull({0}), 0, {0})".format("$bidV"))]
+        names += ["$bidV0"]
+
+        fields += [template_paused.format("If(IsNull({0}), 0, {0})".format("$ask"))]
+        names += ["$ask0"]
+
+        fields += [template_paused.format("If(IsNull({0}), 0, {0})".format("$askV"))]
+        names += ["$askV0"]
+
+        fields += [template_paused.format("If(IsNull({0}), 0, {0})".format("($bid + $ask) / 2"))]
+        names += ["$median0"]
+
+        fields += [template_paused.format("If(IsNull({0}), 0, {0})".format("$factor"))]
+        names += ["$factor0"]
+
+        fields += [template_paused.format("If(IsNull({0}), 0, {0})".format("$downlimitmarket"))]
+        names += ["$downlimitmarket0"]
+
+        fields += [template_paused.format("If(IsNull({0}), 0, {0})".format("$uplimitmarket"))]
+        names += ["$uplimitmarket0"]
+
+        fields += [template_paused.format("If(IsNull({0}), 0, {0})".format("$highmarket"))]
+        names += ["$highmarket0"]
+
+        fields += [template_paused.format("If(IsNull({0}), 0, {0})".format("$lowmarket"))]
+        names += ["$lowmarket0"]
+
+        return fields, names