32 lines
711 B
Go
32 lines
711 B
Go
package heliumapi
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import (
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"encoding/json"
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"fmt"
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"time"
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)
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// query https://docs.helium.com/api/blockchain/blocks/#height
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func GetHeight(maxTime *time.Time) (int, error) {
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// TODO: the result of this query could be cached
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path := "/v1/blocks/height"
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params := map[string]string{}
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if maxTime != nil {
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params["max_time"] = maxTime.UTC().Format(time.RFC3339)
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}
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// query the api
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respBody, err := getHeliumApi(path, ¶ms)
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if err != nil {
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return -1, err
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}
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// unmarshal the response
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respobject := HeightResp{}
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if err := json.Unmarshal(respBody, &respobject); err != nil {
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return -1, fmt.Errorf("failed to unmarshal response from %v: %v", path, err)
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}
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return respobject.Data.Height, nil
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}
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