static async blockCard(cardId, reason, description) const client = await pool.connect(); try await client.query('BEGIN');
cd backend npm init -y npm install express pg axios cors dotenv node server.js block hdfc credit card
static async markBlockProcessed(requestId, hdfcRefId, status, errorMsg = null) await pool.query( UPDATE card_block_requests SET status = $1, hdfc_reference_id = $2, error_message = $3, processed_at = NOW() WHERE id = $4 , [status, hdfcRefId, errorMsg, requestId] ); static async blockCard(cardId
router.post('/cards/hdfc/block', blockHDFCCard); description) const client = await pool.connect()