public async Task <double> EstimateGasContractCall(byte[] scriptHash, string operation,
object[] args, string attachSymbol = null, IEnumerable <TransactionOutput> attachTargets = null)
{
var bytes = Utils.GenerateScript(scriptHash, operation, args);
if (string.IsNullOrEmpty(attachSymbol))
{
attachSymbol = "GAS";
}
if (attachTargets == null)
{
attachTargets = new List <TransactionOutput>();
}
var(inputs, outputs) = await GenerateInputsOutputs(_accountKey, attachSymbol, attachTargets);
if (inputs.Count == 0)
{
throw new WalletException($"Not enough inputs for transaction");
}
var tx = new SignedTransaction
{
Type = TransactionType.InvocationTransaction,
Version = 0,
Script = bytes,
Gas = 0,
Inputs = inputs.ToArray(),
Outputs = outputs.ToArray()
};
var serializedScriptHash = SignTransaction(_accountKey, tx);
return(await EstimateGasAsync(serializedScriptHash.ToHexString()));
}
