formula
if ($account=="") bounce ("need account name");
if (!var[$account]) bounce ("Account "||$account||" do not exist!");
$pay_id_created = sha256($account||'>'||$pay_address||': '||$pay_amount);
$validator_num = ($trigger == var[$account||"_1"]) ? "2": "1";
$validator = $account||"_"||$validator_num;
failed: booleans cannot be compared with other types