/**
* @return true if this currency is a SHA256 currency and measured in MH/s rather than KH/s
*/
function is_hashrate_mhash($cur)
{
if (in_array($cur, Currencies::getHashableCurrencies())) {
$instance = Currencies::getInstance($cur);
$algorithm = $instance->getAlgorithm();
$algorithm_instance = Algorithms::getInstance($algorithm);
return $algorithm_instance->getDivisor() >= 1000000.0;
}
return false;
}