A Simple Noscript Example

that filters msg with Computers & Internet topic.

---

required:

• wasm-pack installed https://github.com/rustwasm/wasm-pack
• download dataset from https://huggingface.co/datasets/yahoo_answers_topics
• place train.csv file in the root directory of this repo
• cargo run --bin Noscript will train the model and give it a test

Code Structure

• src/bayes.rs is the bayes filter algorithm, mostly adapt from https://github.com/zenoxygen/bayespam
• src/lib.rs is the exported code that will be running under the Noscript runtime in the browser.
• src/runtime.rs is the standard Noscript runtime interface, which should be implemented and provided by nostr client.

Test

wasm-pack build --target web
yarn && yarn serve

check browser http://localhost:8080/ see console

Deploy Noscript

create a .secret file and paste your Nostr private key

// generate and sign event
cargo run --bin deploy

What is Noscript?

Noscript means Nostr Script, which refers to the idea that we can put code on Nostr protocol(save the code in a special kind of Event, sign it and send it to the relay, basically), a Noscript is a piece of code to be running in a standard environment provided by Nostr client so there is no central control but user-generated alternatives, it can be used to provide custom feeds/recommend algorithms and so much more.

right now we are experimenting Noscript with wasm runtime under the Nostr web client flycat.club