mirror of
https://gitlab.com/pulsechaincom/prysm-pulse.git
synced 2025-01-08 02:31:19 +00:00
39 lines
977 B
Go
39 lines
977 B
Go
package apimiddleware
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import (
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"encoding/base64"
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"strconv"
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"strings"
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"github.com/pkg/errors"
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)
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// EpochParticipation represents participation of validators in their duties.
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type EpochParticipation []string
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func (p *EpochParticipation) UnmarshalJSON(b []byte) error {
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if string(b) == "null" {
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return nil
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}
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if len(b) < 2 {
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return errors.New("epoch participation length must be at least 2")
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}
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if b[0] != '"' || b[len(b)-1] != '"' {
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return errors.Errorf("provided epoch participation json string is malformed: %s", string(b))
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}
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// Remove leading and trailing quotation marks.
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jsonString := string(b)
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jsonString = strings.Trim(jsonString, "\"")
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decoded, err := base64.StdEncoding.DecodeString(jsonString)
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if err != nil {
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return errors.Wrapf(err, "could not decode epoch participation base64 value")
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}
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*p = make([]string, len(decoded))
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for i, participation := range decoded {
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(*p)[i] = strconv.FormatUint(uint64(participation), 10)
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}
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return nil
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}
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