SSL Commerz API Issues

ssl-commerz.ts

// Init Order
async initOrder(
    user: User,
    transactionId: string,
    price: number,
    name: string,
  ) {
    const data = {
      total_amount: price,
      currency: 'BDT',
      tran_id: transactionId, // use unique tran_id for each api call
      success_url: `http://localhost:8000/transactions/payment/success/${transactionId}`,
      fail_url: `http://localhost:8000/transactions/payment/fail/${transactionId}`,
      cancel_url: `http://localhost:8000/transactions/payment/cancel/${transactionId}`,
      ipn_url: `http://localhost:8000/transactions/payment/ipn`,
      shipping_method: 'Courier',
      product_name: name,
      product_category: 'Electronic',
      product_profile: 'general',
      cus_name: user.name,
      cus_email: user.email,
      cus_add1: 'Dhaka',
      cus_add2: 'Dhaka',
      cus_city: 'Dhaka',
      cus_state: 'Dhaka',
      cus_postcode: '1000',
      cus_country: 'Bangladesh',
      cus_phone: user.phone,
      cus_fax: '01711111111',
      ship_name: user.name,
      ship_add1: 'Dhaka',
      ship_add2: 'Dhaka',
      ship_city: 'Dhaka',
      ship_state: 'Dhaka',
      ship_postcode: 1000,
      ship_country: 'Bangladesh',
    };

    const sslcz = new SSLCommerzPayment(store_id, store_passwd, is_live);

    const apiResponse = await sslcz.init(data);

    return apiResponse;
  }


// IPN api endpoint (nest js)
// https://docs.nestjs.com/controllers
@Post('payment/ipn')
  async paymentIpn(@Res() res, @Query() query) {
    console.log('query :>> ', query);

    return res.redirect('http://localhost:4002/payment/processing');
}