NIP38: User Statuses

[reyamir]

Description

Add support for create NIP38 event with EventBuilder. Close: #666

Usage:

// Send a General statuses event to relays
let general = LiveStatus {
    status_type: StatusType::General,
    expiration: None,
    reference: None,
};
let builder = EventBuilder::live_statuses(general, "Building rust-nostr", vec![]);
client.send_event_builder(builder).await?;

// Send a Music statuses event to relays
let music = LiveStatus {
    status_type: StatusType::Music,
    expiration: Some(Timestamp::now()),
    reference: Some("spotify:search:Intergalatic%20-%20Beastie%20Boys".into()),
};
let builder = EventBuilder::live_statuses(music, "Intergalatic - Beastie Boys", vec![]);
client.send_event_builder(builder).await?;

Notes to the reviewers

None

Checklist

• I followed the contribution guidelines
• I ran just precommit or just check before committing
• I updated the CHANGELOG (if applicable)

[yukibtc]

Thanks! I've marked some changes to do

[yukibtc]

Ah, and can you also mark NIP38 as supported in crates/nostr/README.md?

[reyamir]

Ah, thank for your suggestions, I will update it later today.