private static function getTxData()
 {
     return getRowsByQuery("\n\t\t\tSELECT *, IF(SUM(amount) > 0, SUM(amount), 0) as `amount`\n\t\t\tFROM tx_data\n\t\t\tGroup By address\n\t\t\tORDER BY `amount` DESC\n\t\t\tLIMIT 1000\n\t\t");
 }
 public static function getTransaction($txid)
 {
     return getRowsByQuery("\n\t\t\tSELECT * FROM tx_data WHERE `txid`='{$txid}'\n\t\t");
 }
function getDataByQuery($query)
{
    return getRowsByQuery($query);
}