//GenerateKey generates random PublicKey and PrivateKey.
func GenerateKey(flagTestnet bool) (*Key, error) {
seed := make([]byte, 32)
_, err := rand.Read(seed)
if err != nil {
return nil, err
}
s256 := btcec.S256()
private := PrivateKey{}
private.isTestnet = flagTestnet
public := PublicKey{}
public.isTestnet = flagTestnet
private.key, public.key = btcec.PrivKeyFromBytes(s256, seed)
key := Key{
Pub: &public,
Priv: &private,
}
//Print the keys
logging.Println("Your private key in WIF is")
logging.Println(private.GetWIFAddress())
logging.Println("Your address is")
logging.Println(public.GetAddress())
return &key, nil
}
//GetKeyFromWIF gets PublicKey and PrivateKey from private key of WIF format.
func GetKeyFromWIF(wif string) (*Key, error) {
secp256k1 := btcec.S256()
privateKeyBytes, isCmpressed, err := base58check.Decode(wif)
if err != nil {
return nil, err
}
pub := PublicKey{}
priv := PrivateKey{}
key := Key{
Pub: &pub,
Priv: &priv,
}
switch privateKeyBytes[0] {
case 0xef:
pub.isTestnet = true
priv.isTestnet = true
case 0x80:
pub.isTestnet = false
priv.isTestnet = false
default:
return nil, errors.New("cannot determin net param from private key")
}
pub.isCompressed = isCmpressed
//Get the raw public
priv.key, pub.key = btcec.PrivKeyFromBytes(secp256k1, privateKeyBytes[1:])
return &key, nil
}