public static RpcApiResult SignatureTransaction(ref Transaction transaction)
{
if (transaction.RawData.Timestamp == 0)
{
transaction.RawData.Timestamp = Helper.CurrentTimeMillis();
}
ProtocolUtil.SetExpirationTime(ref transaction);
Console.WriteLine("Your transaction details are as follows, please confirm.");
Console.WriteLine("transaction hex string is " + transaction.ToByteArray().ToHexString());
Console.WriteLine(PrintUtil.PrintTransaction(transaction));
Console.WriteLine(
"Please confirm and input your permission id, if input y or Y means default 0, other non-numeric characters will cancell transaction.");
ProtocolUtil.SetPermissionId(ref transaction);
try
{
while (true)
{
Console.WriteLine("Please choose keystore for signature.");
KeyStore key_store = SelectKeyStore();
string password = CommandLineUtil.ReadPasswordString("Please input password");
if (KeyStoreService.DecryptKeyStore(password, key_store, out byte[] privatekey))
