server-index2.ts

app.post('/api/posts', async (req, res, next) => {
  try {
    const { name, content } = req.body;

    if (!name || !content) {
      throw new Error('Fields name and content are required to make a post');
    }

    const post = postsManager.addPost(name, content);
    const invoice = await node.addInvoice({
      memo: `Lightning Posts post #${post.id}`,
      value: content.length,
      expiry: '120', // 2 minutes
    });

    res.json({
      data: {
        post,
        paymentRequest: invoice.paymentRequest,
      },
    });
  } catch(err) {
    next(err);
  }
});