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47 lines
2.1 KiB
Markdown
47 lines
2.1 KiB
Markdown
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NIP-09
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======
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Event Deletion
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--------------
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`draft` `optional` `author:scsibug`
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A special event with kind `5`, meaning "deletion" is defined as having a list of one or more `e` tags, each referencing an event the author is requesting to be deleted.
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Each tag entry must contain an "e" event id intended for deletion.
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The event's `content` field MAY contain a text note describing the reason for the deletion.
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For example:
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```
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{
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"kind": 5,
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"pubkey": <32-bytes hex-encoded public key of the event creator>,
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"tags": [
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["e", "dcd59..464a2"],
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["e", "968c5..ad7a4"],
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],
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"content": "these posts were published by accident",
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...other fields
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}
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```
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Relays MAY delete or stop publishing any referenced events that have an identical `pubkey` as the deletion request. Clients may hide or otherwise indicate a deletion status for referenced events.
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## Client Usage
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Clients MAY choose to fully hide any events that are referenced by valid deletion events. This includes text notes, direct messages, or other yet-to-be defined event kinds. Alternatively, they MAY show the event along with an icon or other indication that the author has "disowned" the event. The `content` field MAY also be used to replace the deleted events own content, although a user interface should clearly indicate that this is a deletion reason, not the original content.
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A client MUST validate that each event `pubkey` referenced in the `e` tag of the deletion request is identical to the deletion request `pubkey`, before hiding or deleting any event. Relays can not, in general, perform this validation and should not be treated as authoritative.
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Clients display the deletion event itself in any way they choose, e.g., not at all, or with a prominent notice.
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## Relay Usage
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Relays MAY validate that a deletion event only references events that have the same `pubkey` as the deletion itself, however this is not required since relays may not have knowledge of all referenced events.
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## Deleting a Deletion
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Publishing a deletion event against a deletion has no effect. Clients and relays are not obliged to support "undelete" functionality.
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