Lophus

Warning
Still under development and not ready for use.

Lophus is a TypeScript library for development of Nostr clients and relays, oriented to web standards and edge environments.

Concept

• Modular 🔌 - NIPs and high-level interfaces are implemented as optional TypeScript modules, which enables you to keep an app as small as possible.
• Portable 📦 - The core modules are build upon Web Standard APIs, which makes it possible to run on various environment.
• Productive 🌊 - Declarative interfaces let you focus on the data flow rather than underlying logic, and strict type checking helps you to avoid runtime errors.
• Compatible 🤝 - Shares the same data structure for events as nostr-tools.

Documentation

• API Reference (WIP)
• Lophus by Example

Supported NIPs

• NIP-01: Basic protocol
• NIP-02: Contact list
• NIP-7: window.nostr capability for web browsers
• NIP-42: Client authentication

References

Development of Lophus is inspired by the following projects:

• NIPs - Nostr Implementation Possibilities
• nostr-tools - Reference implementation of the protocol in TypeScript
• nostring - A Nostr relay library written in Deno
• Hono - A fast, lightweight, and multi-platform Web framework for edges