79 lines
1.7 KiB
Go
79 lines
1.7 KiB
Go
package glassnode
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import (
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"context"
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"time"
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"git.qtrade.icu/lychiyu/bbgo/pkg/datasource/glassnode/glassnodeapi"
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)
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type DataSource struct {
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client *glassnodeapi.RestClient
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}
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func New(apiKey string) *DataSource {
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client := glassnodeapi.NewRestClient()
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client.Auth(apiKey)
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return &DataSource{client: client}
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}
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func (d *DataSource) Query(ctx context.Context, category, metric, asset string, options QueryOptions) (glassnodeapi.DataSlice, error) {
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req := glassnodeapi.Request{
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Client: d.client,
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Asset: asset,
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Since: options.Since,
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Until: options.Until,
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Interval: options.Interval,
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Category: category,
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Metric: metric,
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}
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resp, err := req.Do(ctx)
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if err != nil {
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return nil, err
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}
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return glassnodeapi.DataSlice(resp), nil
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}
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// query last futures open interest
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// https://docs.glassnode.com/api/derivatives#futures-open-interest
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func (d *DataSource) QueryFuturesOpenInterest(ctx context.Context, currency string) (float64, error) {
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until := time.Now()
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since := until.Add(-24 * time.Hour)
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options := QueryOptions{
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Since: &since,
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Until: &until,
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}
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resp, err := d.Query(ctx, "derivatives", "futures_open_interest_sum", currency, options)
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if err != nil {
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return 0, err
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}
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return resp.Last().Value, nil
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}
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// query last market cap in usd
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// https://docs.glassnode.com/api/market#market-cap
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func (d *DataSource) QueryMarketCapInUSD(ctx context.Context, currency string) (float64, error) {
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until := time.Now()
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since := until.Add(-24 * time.Hour)
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options := QueryOptions{
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Since: &since,
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Until: &until,
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}
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resp, err := d.Query(ctx, "market", "marketcap_usd", currency, options)
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if err != nil {
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return 0, err
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}
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return resp.Last().Value, nil
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}
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