func keyFromPrivSecp256k1(addrType AddrType, priv []byte) (*Key, error) {
pub, err := secp256k1.GeneratePubKey(priv)
if err != nil {
return nil, err
}
return &Key{
Id: uuid.NewRandom(),
Type: KeyType{CurveTypeSecp256k1, addrType},
Address: AddressFromPub(addrType, pub),
PrivateKey: priv,
}, nil
}
func pubKeySecp256k1(k *Key) ([]byte, error) {
return secp256k1.GeneratePubKey(k.PrivateKey)
}