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KeyConvertor.go
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KeyConvertor.go
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package main
import (
"encoding/hex"
"encoding/json"
"errors"
"flag"
"fmt"
)
const DELEGATED string = "delegated"
type KeyInfo struct {
Type string
PrivateKey []byte
}
var lm = flag.String("lm", "", "Lotus private key string")
var ml = flag.String("ml", "", "Metamask private key string")
func main() {
fmt.Println(parse())
}
func parse() string {
flag.Parse()
if len(*lm) != 0 && len(*ml) != 0 {
panic("Cannot input -lm and -ml at the same command")
}
if len(*lm) == 0 && len(*ml) == 0 {
panic("No valid private key input")
}
if len(*lm) != 0 {
result, err := lotus2Meta(*lm)
if err != nil {
panic(err)
}
return result
} else {
result, err := meta2Lotus(*ml)
if err != nil {
panic(err)
}
return result
}
}
func meta2Lotus(input string) (string, error) {
privBytes, err := hex.DecodeString(input)
if err != nil {
return "", err
}
ki := KeyInfo{Type: "delegated", PrivateKey: privBytes}
b, err := json.Marshal(ki)
if err != nil {
return "", err
}
return hex.EncodeToString(b), nil
}
func lotus2Meta(input string) (string, error) {
b, err := hex.DecodeString(input)
if err != nil {
return "", err
}
var ki KeyInfo
err = json.Unmarshal(b, &ki)
if err != nil {
return "", err
}
if ki.Type != DELEGATED {
return "", errors.New("invalid key type")
}
return hex.EncodeToString(ki.PrivateKey), nil
}