forked from adshao/go-binance
/
index_price_kline_service.go
92 lines (84 loc) · 2.12 KB
/
index_price_kline_service.go
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package futures
import (
"context"
"fmt"
"net/http"
)
// IndexPriceKlinesService list klines
type IndexPriceKlinesService struct {
c *Client
pair string
interval string
limit *int
startTime *int64
endTime *int64
}
// Pair sets pair
func (ipks *IndexPriceKlinesService) Pair(pair string) *IndexPriceKlinesService {
ipks.pair = pair
return ipks
}
// Interval set interval
func (ipks *IndexPriceKlinesService) Interval(interval string) *IndexPriceKlinesService {
ipks.interval = interval
return ipks
}
// Limit set limit
func (ipks *IndexPriceKlinesService) Limit(limit int) *IndexPriceKlinesService {
ipks.limit = &limit
return ipks
}
// StartTime set startTime
func (ipks *IndexPriceKlinesService) StartTime(startTime int64) *IndexPriceKlinesService {
ipks.startTime = &startTime
return ipks
}
// EndTime set endTime
func (ipks *IndexPriceKlinesService) EndTime(endTime int64) *IndexPriceKlinesService {
ipks.endTime = &endTime
return ipks
}
// Do send request
func (ipks *IndexPriceKlinesService) Do(ctx context.Context, opts ...RequestOption) (res []*Kline, err error) {
r := &request{
method: http.MethodGet,
endpoint: "/fapi/v1/indexPriceKlines",
}
r.setParam("pair", ipks.pair)
r.setParam("interval", ipks.interval)
if ipks.limit != nil {
r.setParam("limit", *ipks.limit)
}
if ipks.startTime != nil {
r.setParam("startTime", *ipks.startTime)
}
if ipks.endTime != nil {
r.setParam("endTime", *ipks.endTime)
}
data, _, err := ipks.c.callAPI(ctx, r, opts...)
if err != nil {
return []*Kline{}, err
}
j, err := newJSON(data)
if err != nil {
return []*Kline{}, err
}
num := len(j.MustArray())
res = make([]*Kline, num)
for i := 0; i < num; i++ {
item := j.GetIndex(i)
if len(item.MustArray()) < 11 {
err = fmt.Errorf("invalid kline response")
return []*Kline{}, err
}
res[i] = &Kline{
OpenTime: item.GetIndex(0).MustInt64(),
Open: item.GetIndex(1).MustString(),
High: item.GetIndex(2).MustString(),
Low: item.GetIndex(3).MustString(),
Close: item.GetIndex(4).MustString(),
CloseTime: item.GetIndex(6).MustInt64(),
}
}
return res, nil
}