nextU256 method
Implementation
BigInt nextU256() {
// final value = bytesToU256(_byteData.toBytes(), _offset);
// _offset += 32;
// return value;
ByteBuffer buffer = _byteData.toBytes().buffer;
final data = buffer.asUint8List(_offset, 32);
final value = bytesToBigInt(data, endian: Endian.little);
_offset += 32;
return value;
}