Database: Limit user ID to signed 32-bit limit

WiiLink24 · Jan 23, 2024 · 659ec8d · 659ec8d
1 parent 07d8f3d
commit 659ec8d
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/database/user.go b/database/user.go
@@ -104,7 +104,9 @@ func (user *User) UpdateDeviceID(pool *pgxpool.Pool, ctx context.Context, newDev
 
 func GetUniqueUserID() uint64 {
 	// Not guaranteed unique but doesn't matter in practice if multiple people have the same user ID.
-	return uint64(rand.Int63n(0x80000000000))
+	// The maximum size here is 0x80000000000, but older DS games have a bug causing connection issues
+	// if the user ID is greater than the signed 32-bit limit.
+	return uint64(rand.Int63n(0x80000000))
 }
 
 func (user *User) UpdateProfile(pool *pgxpool.Pool, ctx context.Context, data map[string]string) {