From 80ff9bfe6d31f1e5c220da8c4c1406d268d50327 Mon Sep 17 00:00:00 2001
From: hrj <harshad.rj@gmail.com>
Date: Fri, 3 Jul 2020 22:14:33 +0530
Subject: [PATCH] select a random captcha

---
 src/main/scala/lc/Main.scala | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/main/scala/lc/Main.scala b/src/main/scala/lc/Main.scala
index 1c38d50..eef209e 100644
--- a/src/main/scala/lc/Main.scala
+++ b/src/main/scala/lc/Main.scala
@@ -89,7 +89,7 @@ class Captcha(throttle: Int) extends DBConn {
   }
 
   def getChallenge(param: Parameters): Id = {
-    val rs = stmt.executeQuery("SELECT token FROM challenge WHERE solved=FALSE LIMIT 1")
+    val rs = stmt.executeQuery("SELECT token FROM challenge WHERE solved=FALSE ORDER BY RAND() LIMIT 1")
     val id = if(rs.next()){
       rs.getString("token")
     } else {