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timestamp.go
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timestamp.go
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// Copyright © 2024 Galactica Network
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package zkcertificate
import (
"encoding/json"
"strconv"
"time"
)
// Timestamp represents a type that holds a time.Time value that is serialized as Unix timestamp.
type Timestamp time.Time
// Unix returns the Unix timestamp of the Timestamp.
func (t Timestamp) Unix() int64 {
return time.Time(t).Unix()
}
// MarshalJSON implements [json.Marshaler].
func (t Timestamp) MarshalJSON() ([]byte, error) {
return json.Marshal(t.Unix())
}
// UnmarshalJSON implements [json.Unmarshaler].
func (t *Timestamp) UnmarshalJSON(bytes []byte) error {
text := string(bytes)
if text == "null" {
return nil
}
unix, err := strconv.ParseInt(text, 10, 64)
if err != nil {
return err
}
*t = Timestamp(time.Unix(unix, 0))
return nil
}