Handle Edge Cases

// Poll for status if webhook is delayed
async function checkPaymentStatus(orderId) {
  const order = await db.orders.get(orderId);

  if (!order.walletId) {
    return { status: 'no_wallet' };
  }

  const result = await waas.getWallet(order.walletId);
  const wallet = result.wallet;

  switch (wallet.status) {
    case 'watching':
      return { status: 'awaiting_payment', address: wallet.address };

    case 'deposit_detected':
      return {
        status: 'confirming',
        amount: wallet.amount,
        confirmations: wallet.confirmations,
      };

    case 'confirmed':
      // Update order if not already done
      if (order.status !== 'paid') {
        await markOrderPaid(orderId, wallet);
      }
      return { status: 'paid', txHash: wallet.txHash };

    case 'expired':
      return { status: 'expired' };

    default:
      return { status: wallet.status };
  }
}