/
utils.go
43 lines (35 loc) · 840 Bytes
/
utils.go
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package chain
import (
"crypto/md5"
"encoding/base64"
"encoding/hex"
"encoding/json"
"hash/crc32"
)
type Serializer interface {
Encode(v any) ([]byte, error)
Decode(data []byte, v any) (any, error)
}
type JsonSerializer struct {
}
func (s *JsonSerializer) Encode(v any) ([]byte, error) {
return json.Marshal(v)
}
func (s *JsonSerializer) Decode(data []byte, v any) (any, error) {
if err := json.Unmarshal(data, v); err != nil {
return nil, err
}
return v, nil
}
// HashMD5 computing the MD5 checksum of strings
func HashMD5(text string) string {
h := md5.New()
h.Write([]byte(text))
return hex.EncodeToString(h.Sum(nil))
}
var crc32iSCSI = crc32.MakeTable(crc32.Castagnoli)
func HashCrc32(content []byte) string {
h := crc32.New(crc32iSCSI)
h.Write(content)
return base64.StdEncoding.EncodeToString(h.Sum(nil))
}