* Challenge bets

* Store avatar url

* Fix before and after probs

* Check balance before creation

* Calculate winning shares

* pretty

* Change winning value

* Set shares to equal each other

* Fix share challenge link

* pretty

* remove lib refs

* Probability of bet is set to market

* Remove peer pill

* Cleanup

* Button on contract page

* don't show challenge if not binary or if resolved

* challenge button (WIP)

* fix accept challenge: don't change pool/probability

* Opengraph preview [WIP]

* elim lib

* Edit og card props

* Change challenge text

* New card gen attempt

* Get challenge on server

* challenge button styling

* Use env domain

* Remove other window ref

* Use challenge creator as avatar

* Remove user name

* Remove s from property, replace prob with outcome

* challenge form

* share text

* Add in challenge parts to template and url

* Challenge url params optional

* Add challenge params to parse request

* Parse please

* Don't remove prob

* Challenge card styling

* Challenge card styling

* Challenge card styling

* Challenge card styling

* Challenge card styling

* Challenge card styling

* Challenge card styling

* Challenge card styling

* Add to readme about how to dev og-image

* Add emojis

* button: gradient background, 2xl size

* beautify accept bet screen

* update question button

* Add separate challenge template

* Accepted challenge sharing card, fix accept bet call

* accept challenge button

* challenge winner page

* create challenge screen

* Your outcome/cost=> acceptorOutcome/cost

* New create challenge panel

* Fix main merge

* Add challenge slug to bet and filter by it

* Center title

* Add helper text

* Add FAQ section

* Lint

* Columnize the user areas in preview link too

* Absolutely position

* Spacing

* Orientation

* Restyle challenges list, cache contract name

* Make copying easy on mobile

* Link spacing

* Fix spacing

* qr codes!

* put your challenges first

* eslint

* Changes to contract buttons and create challenge modal

* Change titles around for current bet

* Add back in contract title after winning

* Cleanup

* Add challenge enabled flag

* Spacing of switch button

* Put sharing qr code  in modal

Co-authored-by: mantikoros <sgrugett@gmail.com>

2022-08-04 15:27:02 -06:00

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Installing

yarn install
yarn start
Y to Set up and develop “~path/to/the/repo/manifold”? [Y/n]
Manifold Markets to Which scope should contain your project? [Y/n]
Y to Link to existing project? [Y/n]
opengraph-image to What’s the name of your existing project?

Quickstart

To test locally: yarn start The local image preview is broken for some reason; but the service works. E.g. try http://localhost:3000/manifold.png
To deploy: push to Github

note: (Not dev because that's reserved for Vercel)
note2: (Or cd .. && vercel --prod, I think)

For more info, see Contributing.md
(Everything below is from the original repo)

Development

Code of interest is contained in the api/_lib directory, i.e. template.ts is the page that renders the UI.
Edit parseRequest(req: IncomingMessage) in parser.ts to add/edit query parameters.
Note: When testing a remote branch on vercel, the og-image previews that apps load will point to https://manifold-og-image.vercel.app/m.png?question=etc., (see relevant code in SEO.tsx) and not your remote branch. You have to find your opengraph-image branch's url and replace the part before m.png with it.
- You can also preview the image locally, e.g. http://localhost:3000/m.png?question=etc.
- Every time you change the template code you'll have to change the query parameter slightly as the image will likely be cached.
You can find your remote branch's opengraph-image url by click Visit Preview on Github: ![](../../../../../Desktop/Screen Shot 2022-08-01 at 2.56.42 PM.png)

Open Graph Image as a Service

Serverless service that generates dynamic Open Graph images that you can embed in your <meta> tags.

For each keystroke, headless chromium is used to render an HTML page and take a screenshot of the result which gets cached.

See the image embedded in the tweet for a real use case.

What is an Open Graph Image?

Have you ever posted a hyperlink to Twitter, Facebook, or Slack and seen an image popup? How did your social network know how to "unfurl" the URL and get an image? The answer is in your <head>.

The Open Graph protocol says you can put a <meta> tag in the <head> of a webpage to define this image.

It looks like the following:

<head>
  <title>Title</title>
  <meta property="og:image" content="http://example.com/logo.jpg" />
</head>

Why use this service?

The short answer is that it would take a long time to painstakingly design an image for every single blog post and every single documentation page. And we don't want the exact same image for every blog post because that wouldn't make the article stand out when it was shared to Twitter.

That's where og-image.vercel.app comes in. We can simply pass the title of our blog post to our generator service and it will generate the image for us on the fly!

It looks like the following:

<head>
  <title>Hello World</title>
  <meta
    property="og:image"
    content="https://og-image.vercel.app/Hello%20World.png"
  />
</head>

Now try changing the text Hello%20World to the title of your choosing and watch the magic happen ✨

Deploy your own

You'll want to fork this repository and deploy your own image generator.

Click the fork button at the top right of GitHub
Clone the repo to your local machine with git clone URL_OF_FORKED_REPO_HERE
Change directory with cd og-image
Make changes by swapping out images, changing colors, etc (see contributing for more info)
Remove all configuration inside vercel.json besides rewrites
Run locally with vercel dev and visit localhost:3000 (if nothing happens, run npm install -g vercel)
Deploy to the cloud by running vercel and you'll get a unique URL
Connect Vercel for GitHub to automatically deploy each time you git push 🚀

Authors

Steven (@styfle) - Vercel
Evil Rabbit (@evilrabbit) - Vercel

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