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Nostroid - The most performant cross platform nostr client

This nostr client was created using Svelte, a novel tool to create web apps.

As a web app, it also works on all platforms - Windows, Linux, Mac, Android and iPhone.

High level design goals

This client is meant to feel like Twitter. If you are used to Twitter, you should feel at home with Nostroid.

Performance

Nostr relies on "relays" and Nostroid will remain compatible with random relays. This means that the client has to verify content it receives and doesn't always have the best control over what it will receive in which order. While this is an overhead, it is an inherently anticipated overhead in the nostr ecosystem and we adapt to it by storing all relevant events locally ahead of the user interacting with them. Once loaded, this content is not only fast to browse, it is even available offline. Ideally you could connect to the nostr network for 20s and then read up on all your friends updates, reply to them, like and re-post their posts to then sync with the network again, publishing your interactions later.

Storage

For optimal performance, Nostroid needs about 200MB of local storage. It will work with less but that will degrade the performance a bit.

The friends of my friends

One of the most annoying parts of Twitter is spam, impersonators, bots. What do these have in common? You don't follow them!

Occasionally you want people to be able to "cold call" you - to contact you out of the blue. But usually not. Nostroid draws a clear distinction between what is considered probably ok and what not: How close in your network of follows is the author of the event?.

If an account has zero followers, how likely is it that you would want to hear from them? How much would that change if the account had a million followers, none of which is followed by any of your friends' friends? Not zero? Well, Nostroid explores who you follow and who they follow in turn and so on until 10,000 accounts are reached and disregards any account outside of that group - with a few exceptions. In summary:

Infinite scroll - Reaching "the end of the internet"

Social networks tend to hold random content ready for the user to improve retention - to entertain the user while there is nothing relevant to show. While this is vilified for hurting our attention spans, it probably is detrimentally important for success. And who knows? Maybe Twitter keeps us busy by showing us a calculated amount of obvious scammers to get mad at? :laughing:

Nostroid will - for better or worse - give the user more control and make it easier to dismiss content from out-group accounts. It will show why that spammer is in your in-group, making it easier to mute not only these spammers but also your friend of a friend that keeps following these spammers (for whatever reason). The cut-off at 10,000 accounts being arbitrary, the user can also tweak this number.

Development

Tools

Nostroid is built with Svelte using Dexie and IndexedDB. It uses nostr-tools to communicate with the nostr relays via Websocket.

Information flow

Install dependencies

This project is well tested using pnpm. It might work with old npm, too but if not, please try following the exact instructions here before filing issues.

  1. Make sure to have a modern version of node. v18.6.0 for example.
  2. git submodule update --init
  3. Get pnpm
  4. pnpm install

Run locally in dev mode

Currently only Chrome / Chromium supports running workers in dev mode. To start the server on localhost, run:

pnpm run dev

The server updates automatically as soon as files change.

To test it in other browsers than Chrome, build and preview the project:

pnpm run build
pnpm run preview

Deployment

  1. Configure your nginx to host static files. This might be helpful.
  2. pnpm run build
  3. Copy the build folder to your server