public override BigInteger ToInteger()
{
if (!(_value.StartsWith(Bytes.HexPrefix) || _value.StartsWith('-' + Bytes.HexPrefix)))
{
throw new RpcValueException("The value is not hex string.");
}
try
{
//The dark magic with 0 and f explained in the article below:
//https://stackoverflow.com/questions/30119174/converting-a-hex-string-to-its-biginteger-equivalent-negates-the-value
var sign = "0";
if (_value[0] == '-')
{
sign = "";// value.Substring(0, 1);
_value = _value.Substring(1);
}
var result = "0" + Bytes.CleanHexPrefix(_value);
var parseResult = BigInteger.Parse(result, NumberStyles.AllowHexSpecifier);
if (string.IsNullOrEmpty(sign))
{
parseResult *= -1;
}
return(parseResult);
}
catch (Exception)
{
throw new RpcValueException("The value is not hex string.");
}
}