nostr_dart 0.1.1

A Nostr client library written in Dart

A Nostr client library written in Dart.

Features

Use this library in your Dart/Flutter app to:

• Connect to Nostr relays.
• Publish set_metadata, text_note and recommend_server events to connected relays.
• Request events and subscribe to updates.

Currently implements NIP-01, NIP-13, NIP-15 and NIP-20

Getting started

Add the following to your pubspec.yaml:

dependencies:
  nostr_dart: ^[version]

Usage

Initialise nostr_dart:

import 'package:nostr_dart/nostr_dart.dart'

final nostr = Nostr.init(privateKey: [private key], powDifficulty: [difficulty]);

Add a relay:

await nostr.addRelay([relay url]);

Retrieve events from connected relays and subscribe to updates:

final subId = await nostr.subscribe([filters], [subscription id])

Read retrieved events:

for (Event event in nostr.events) {
    print('ID: ${event.id}. Content: ${event.content}');
}

Publish a text note:

final result = await nostr.sendTextNote([content], [tags]);

Publish metadata:

final result = await nostr.setMetaData(name: [name], about: [about], picture: [picture url]);

Publish server recommendation:

final result = await nostr.recommendServer([relay url]);

Remove an existing subscription:

nostr.unsubscribe([subscription id]);

Remove a connected relay:

nostr.removeRelay([relay url]);