/// <summary>
/// Call a read-only method on a contract.
/// </summary>
/// <returns></returns>
public async Task <string> ExecuteTransactionAsync(ExecuteTransactionDto input)
{
Transaction transaction;
try
{
var byteArray = ByteArrayHelper.HexStringToByteArray(input.RawTransaction);
transaction = Transaction.Parser.ParseFrom(byteArray);
}
catch (Exception e)
{
Logger.LogError(e, e.Message); //for debug
throw new UserFriendlyException(Error.Message[Error.InvalidParams],
Error.InvalidParams.ToString());
}
if (!transaction.VerifySignature())
{
throw new UserFriendlyException(Error.Message[Error.InvalidSignature],
Error.InvalidSignature.ToString());
}
try
{
var response = await CallReadOnlyAsync(transaction);
return(response?.ToHex());
}
catch (Exception e)
{
throw new UserFriendlyException(Error.Message[Error.InvalidTransaction],
Error.InvalidTransaction.ToString(), e.Message);
}
}
/// <summary>
/// Call a read-only method of a contract.
/// </summary>
/// <param name="input"></param>
/// <returns></returns>
public async Task <string> ExecuteTransactionAsync(ExecuteTransactionDto input)
{
var url = GetRequestUrl(_baseUrl, "api/blockChain/executeTransaction");
var parameters = new Dictionary <string, string>
{
{ "RawTransaction", input.RawTransaction }
};
return(await _httpService.PostResponseAsync <string>(url, parameters));
}