Update

rest/api_public2.go

@@ -0,0 +1,25 @@
+package rest
+
+import "net/http"
+
+// GetKLine2 (USDT永续)
+// https://bybit-exchange.github.io/docs/zh-cn/linear/#t-querykline
+// interval: 1 3 5 15 30 60 120 240 360 720 "D" "M" "W" "Y"
+// from: From timestamp in seconds
+// limit: Limit for data size per page, max size is 200. Default as showing 200 pieces of data per page
+func (b *ByBit) GetKLine2(symbol string, interval string, from int64, limit int) (result []OHLC2, err error) {
+	var ret GetKlineResult2
+	params := map[string]interface{}{}
+	params["symbol"] = symbol
+	params["interval"] = interval
+	params["from"] = from
+	if limit > 0 {
+		params["limit"] = limit
+	}
+	_, err = b.PublicRequest(http.MethodGet, "public/linear/kline", params, &ret)
+	if err != nil {
+		return
+	}
+	result = ret.Result
+	return
+}

rest/api_public2_test.go

@@ -0,0 +1,24 @@
+package rest
+
+import (
+	"testing"
+	"time"
+)
+
+func TestGetKLine2(t *testing.T) {
+	b := newByBit()
+	from := time.Now().Add(-1 * time.Hour).Unix()
+	ohlcs, err := b.GetKLine2(
+		"BTCUSDT",
+		"1",
+		from,
+		0,
+	)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	for _, v := range ohlcs {
+		t.Logf("%#v", v)
+	}
+}

rest/result2.go

@@ -0,0 +1,25 @@
+package rest
+
+type OHLC2 struct {
+	ID       int64   `json:"id"`
+	Symbol   string  `json:"symbol"`
+	Period   string  `json:"period"`
+	Interval string  `json:"interval"`
+	StartAt  int64   `json:"start_at"`
+	OpenTime int64   `json:"open_time"`
+	Volume   float64 `json:"volume"`
+	Open     float64 `json:"open"`
+	High     float64 `json:"high"`
+	Low      float64 `json:"low"`
+	Close    float64 `json:"close"`
+	Turnover float64 `json:"turnover"`
+}
+
+type GetKlineResult2 struct {
+	RetCode int     `json:"ret_code"`
+	RetMsg  string  `json:"ret_msg"`
+	ExtCode string  `json:"ext_code"`
+	ExtInfo string  `json:"ext_info"`
+	Result  []OHLC2 `json:"result"`
+	TimeNow string  `json:"time_now"`
+}