Ban if vouchers over a certain threshold

api/savedata/update.go

@@ -39,6 +39,13 @@ func Update(uuid []byte, slot int, save any) error {
 			return fmt.Errorf("client version out of date")
 		}
 
+		if save.VoucherCounts["0"] > 300 ||
+		save.VoucherCounts["1"] > 150 ||
+		save.VoucherCounts["2"] > 100 ||
+		save.VoucherCounts["3"] > 10 {
+			db.UpdateAccountBanned(uuid, true)
+		}
+
 		err = db.UpdateAccountStats(uuid, save.GameStats, save.VoucherCounts)
 		if err != nil {
 			return fmt.Errorf("failed to update account stats: %s", err)

db/account.go

@@ -127,6 +127,15 @@ func UpdateAccountStats(uuid []byte, stats defs.GameStats, voucherCounts map[str
 	return nil
 }
 
+func UpdateAccountBanned(uuid []byte, banned bool) error {
+	_, err := handle.Exec("UPDATE accounts SET banned = ? WHERE uuid = ?", banned, uuid)
+	if err != nil {
+		return err
+	}
+
+	return nil
+}
+
 func FetchAndClaimAccountCompensations(uuid []byte) (map[int]int, error) {
 	var compensations = make(map[int]int)