public static string DoSignVTHOTx(List <string[]> transactions, string privateKey, bool isSend, int?gasLimit)
{
byte chainTag = 0;
byte[] blockRef = null;
var clauses = new List <ToClause>();
foreach (var transaction in transactions)
{
var amount = Amount.VTHO();
amount.SetDecimalAmount(transaction[1]);
clauses.Add(
ERC20Contract.BuildTranferToClause(ERC20Token.VTHO, Address.FromHexString(transaction[0]), amount));
chainTag = ByteUtils.ToByteArray(transaction[2])[0];
blockRef = transaction[3] == null?BlockchainClient.GetBlockRef(null).ToByteArray() : ByteUtils.ToByteArray(transaction[3]);
}
int gas = clauses.Count * gasLimit ?? 80000;
var rawTransaction = RawTransactionFactory.Instance.CreateRawTransaction(chainTag, blockRef,
720, gas, (byte)0x0, CryptoUtils.GenerateTxNonce(), clauses.ToArray());
if (isSend)
{
var result = TransactionClient.SignThenTransfer(rawTransaction, ECKeyPair.Create(privateKey));
return(JsonConvert.SerializeObject(result));
}
else
{
var result = TransactionClient.Sign(rawTransaction, ECKeyPair.Create(privateKey));
return(ByteUtils.ToHexString(result.Encode(), Prefix.ZeroLowerX));
}
}