nostr_client 0.2.0

A nostr client package.

nostr_client 0.2.0

A nostr client for dart and flutter.

Features

• ✅ NIP-01: Basic protocol flow description
• ❌ NIP-02: Contact List and Petnames
• ❌ NIP-03: OpenTimestamps Attestations for Events
• ❌ NIP-04: Encrypted Direct Message
• ❌ NIP-05: Mapping Nostr keys to DNS-based internet identifiers
• ❌ NIP-06: Basic key derivation from mnemonic seed phrase
• ❌ NIP-07: window.nostr capability for web browsers
• ❌ NIP-08: Handling Mentions
• ❌ NIP-09: Event Deletion
• ❌ NIP-10: Conventions for clients' use of e and p tags in text events.
• ✅ NIP-11: Relay Information Document
• ❌ NIP-12: Generic Tag Queries
• ❌ NIP-13: Proof of Work
• ❌ NIP-14: Subject tag in text events.
• ❌ NIP-15: End of Stored Events Notice
• ❌ NIP-16: Event Treatment
• ❌ NIP-20: Command Results
• ❌ NIP-22: Event created_at Limits
• ❌ NIP-25: Reactions
• ❌ NIP-28: Public Chat
• ❌ NIP-35: User Discovery

Getting Started

Add this package to the pubspec.yaml of your flutter project:

dependencies:
  nostr_client: ^0.2.0

Usage

import 'package:nostr_client/nostr_client.dart'

// Create a new relay instance and connect to the relay
final relay = Relay('wss://relay.nostr.info');
relay.connect();

// Print events sent by the relay
relay.stream.whereIsEvent().listen(print);

// Request text events from the relay and subscribe to updates
final filter = Filter(
  kinds: [EventKind.text],
  limit: 10,
);
final subscriptionId = relay.subscribe(filter);

// Cancel the subscription
relay.unsubscribe(subscriptionId);

// Disconnect from the relay
relay.disconnect();

Links

• nostr-protocol
• awesome-nostr