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44 lines
1.2 KiB
Markdown
44 lines
1.2 KiB
Markdown
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NIP-25
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======
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Reactions
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---------
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`draft` `optional` `author:jb55`
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A reaction is a `kind 7` note that is used to react to `kind 1` text notes.
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The generic reaction, represented by an empty string, SHOULD be interpreted as
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a "like".
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The `content` MAY be an emoji, in this case it MAY be interpreted as a "like",
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or the client MAY display this emoji reaction on the post.
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Tags
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----
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The reaction event SHOULD include `e` and `p` tags from the note the user is
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reacting to. This allows users to be notified of reactions to posts they were
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mentioned in. Including the `e` tags enables clients to pull all the reactions
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associated with individual posts or all the posts in a thread.
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The last `e` tag MUST be the `id` of the note that is being reacted to.
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The last `p` tag MUST be the `pubkey` of the event being reacted to.
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Example code
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```swift
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func make_like_event(pubkey: String, privkey: String, liked: NostrEvent) -> NostrEvent {
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var tags: [[String]] = liked.tags.filter {
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tag in tag.count >= 2 && (tag[0] == "e" || tag[0] == "p")
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}
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tags.append(["e", liked.id])
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tags.append(["p", liked.pubkey])
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let ev = NostrEvent(content: "", pubkey: pubkey, kind: 7, tags: tags)
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ev.calculate_id()
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ev.sign(privkey: privkey)
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return ev
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}
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