hdkey_secret_from_xprv method

Extracts the private key from the serialized extended private key

Implementation

Future<ResultOfHDKeySecretFromXPrv> hdkey_secret_from_xprv(
    ParamsOfHDKeySecretFromXPrv params) async {
  final res = await _tonCore.request(
      'crypto.hdkey_secret_from_xprv', params.toString());
  return ResultOfHDKeySecretFromXPrv.fromMap(res);
}