From 6d2d1c5f9cdc6c9ed0e2ef93c27133315e468981 Mon Sep 17 00:00:00 2001
From: Ikechukwu-Patrick <151846949+Ikechukwu-Patrick@users.noreply.github.com>
Date: Tue, 30 Jun 2026 13:40:39 +0100
Subject: [PATCH] Add constraint and function for backup codes

Added a constraint to ensure only one unused backup code can be used at a time and started creating a function to update the used_at timestamp.
---
 migrations/003_add_2fa_support.sql | 2 --
 1 file changed, 2 deletions(-)

diff --git a/migrations/003_add_2fa_support.sql b/migrations/003_add_2fa_support.sql
index af4d7995..43453959 100644
--- a/migrations/003_add_2fa_support.sql
+++ b/migrations/003_add_2fa_support.sql
@@ -25,12 +25,10 @@ CREATE TABLE IF NOT EXISTS backup_codes (
 CREATE INDEX IF NOT EXISTS idx_backup_codes_user_id ON backup_codes(user_id);
 CREATE INDEX IF NOT EXISTS idx_backup_codes_used ON backup_codes(used);
 
--- Add constraint to ensure only one unused backup code can be used at a time
 ALTER TABLE backup_codes 
 ADD CONSTRAINT chk_backup_codes_used_at 
 CHECK (used_at IS NULL OR used = TRUE);
 
--- Create function to update used_at timestamp
 CREATE OR REPLACE FUNCTION update_backup_codes_used_at()
 RETURNS TRIGGER AS $$
 BEGIN