From ed440a2150826fc94019b1d79d5c87b26bda6362 Mon Sep 17 00:00:00 2001
From: Greyson Parrelli <greyson@signal.org>
Date: Thu, 3 Sep 2020 10:36:20 -0400
Subject: [PATCH] Do not clear UUID for unregistered users.

Otherwise, a number could be unregistered and re-registered by a
different person, assigning a new UUID to an existing RecipientId,
which we never want to do.
---
 .../org/thoughtcrime/securesms/database/RecipientDatabase.java   | 1 -
 1 file changed, 1 deletion(-)

diff --git a/app/src/main/java/org/thoughtcrime/securesms/database/RecipientDatabase.java b/app/src/main/java/org/thoughtcrime/securesms/database/RecipientDatabase.java
index 99a745af6e..fe8893cc9d 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/database/RecipientDatabase.java
+++ b/app/src/main/java/org/thoughtcrime/securesms/database/RecipientDatabase.java
@@ -1736,7 +1736,6 @@ public class RecipientDatabase extends Database {
       for (RecipientId id : unregistered) {
         ContentValues values = new ContentValues(2);
         values.put(REGISTERED, RegisteredState.NOT_REGISTERED.getId());
-        values.put(UUID, (String) null);
         if (update(id, values)) {
           markDirty(id, DirtyState.DELETE);
         }