Send a gift-wrapped message¶

Nostr4j implements gift wrapping as defined in NIP-59.

Wrap for one recipient¶

With the sender's signer and the recipient's public key:

UnsignedNostrEvent draft = new UnsignedNostrEvent()
    .withKind(14)
    .withTag("p", recipient.asHex())
    .withContent("Hello privately");

SignedNostrEvent giftWrap = Nip59.wrap(signer, draft, recipient).await();
pool.publish(giftWrap).await();

Open a received wrap¶

On the recipient's side, use their signer and the received signed event:

if (Nip59.isGiftWrap(event)) {
    Map<String, Object> rumor = Nip59.unwrap(signer, event).await();
    System.out.println(rumor.get("content"));
}