depatchedmode / simplest-frame

The simplest Farcaster Frame possible

Home Page:https://warpcast.com/depatchedmode/0x0dbb53c2

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poster-animated

A zero-cost, zero-framework, dynamic Farcaster Frame template

This is the "simplest" version of a Frame that can do all of the things a Frame should be able to do. It may be more than you need. It may be less. But it's a great place to start, IMHO. And it is indebted to all the great work by the team over at https://framesjs.org

My needs for starting this were:

  1. 🚱 Zero Framework: Didn't want a framework baked in, and most options default to Next.js/React. No offense, but those seem like overkill.
  2. πŸ†“ Zero Cost: Frames are for experiments! Experimenting is more fruitful when it's free.
  3. 🧱 Stable: The domain and its attached state should be reasonably stable over the horizon of an experiment. Replit can only give you this at cost (see above)
  4. 🀸 Dynamic: You can get all the above pretty easy with static files, but let's be real: we want dynamism or something! And, as social animals, we want to act and react.
  5. 🀀 Small: and hopefully easy. Nobody to impress here. If my quite smooth brain can write this, your quite prune-like brain can understand it to.
  6. 😎 Cool Tech: We want to be at the 🀬 edge here, people! I admit this is somewhat in tension with "simplest".

Features

  • ⑃ Flow Definition: Define button & input behaviour within each frame file.
  • πŸŽ‡ Static & Dynamic Images: Support for both static & dynamic frame images.
  • 🧐 Validate trustedData: Verify the current payload's trustedData via Farcaster Hubs (eg. wield.co), to protect against tomfoolery.
  • ⌨️ Text inputs: Accept that UGC with byte-level protection. Our safeDecode function leverages dompurify to give you a literal, and helpful purity test. The judgement of whether the content meets your standards is still up to you, though.
  • ↗️ Redirect Support: Because frames can't do everything ... yet! And, doggonit, there's a whole world wide web out there for y'all to explore.
  • 🎟️ Mint from frame (COMING SOON): Using Syndicate + Base, this boilerplate gives you what you need to make random interactions with your frame unforgettable. Is that a good idea? That sounds like a you problem.
  • πŸ” Anti-theft: Don't bet the engagement farm! Bind your Frame to a specific cast or account so nobody else can get your likes, follows, recasts ... and respect. Capisci?

Example

simplest-frame https://warpcast.com/depatchedmode/0xecad681e

Getting started

  1. Clone the repo
  2. Install the Netlify CLI
  3. Copy sample.env to .env and add:
    • your Netlify Key, for deploys: NETLIFY_AUTH_TOKEN
    • a Wield Key for reading Farcaster state: WIELD_API_KEY
  4. npm install
  5. netlify dev

Testing

Quick & easy: Proxying to the WWW

  1. Run netlify dev --live will give proxy your local machine to the world wide web.
  2. Test that link in either:

Local & reliable:

Follow instructions here on how to setup the Frame.js debugger locally: #22 (comment)

Note: you'll still need to be connected to the internet for Hubs communication ... unless you run your own locally

Defining your Frame

We'll update with a proper docs soon*, but you'll find everything you need in the public and src directories.

To add a new frame, create a {frameName}.js file in /src/frames and add it as an import to /src/frames/index.js. You'll find examples of dynamic (eg. rendered HTML) and static (eg. served from the public folder) frames in that directory.

*Y'all are welcome to help me write them.

Deploying

This should be as simple as watching a git repo for commits.

You may encounter a 502 gateway error after deployment on the /og-image endpoint. This is a known issue with the sharp module this repo relies upon. We'll hopefully have this fixed by default, but for now there are workarounds. Follow this thread for fixes: #3

Caveats

I am a designer larping as a dev. I invite your collaboration and feedback. Please be kind.

And please! Can we make it simpler?

Roadmap

  1. Less bad
  2. More better
  3. Migration to the everywhere.computer

About

The simplest Farcaster Frame possible

https://warpcast.com/depatchedmode/0x0dbb53c2

License:MIT License


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