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75 lines
2.2 KiB
Markdown
75 lines
2.2 KiB
Markdown
NIP-81
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======
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Relationship Status
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-------------------
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`draft` `optional`
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This NIP defines two new event kinds (`30382` and `31382`) to document the relationship between two keys.
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Both kinds offer public and private tags to describe that relationship. Private tags are JSON Stringified, [NIP-44](44.md)-encrypted to the signer's keys and placed inside the `.content` of the event.
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### Public Relationship Status
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Event kind `30382` is used when the relationship itself is public. The `d` tag contains the target public key in hex.
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```js
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{
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"kind": 30382,
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"tags": [
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["d", "e88a691e98d9987c964521dff60025f60700378a4879180dcbbb4a5027850411"],
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["n", "follow"],
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["n", "bitcoiner"],
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["n", "6064460175057025"]
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],
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"content": nip44Encrypt(JSON.stringify([
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["petname", "NVK (Coldcard)"],
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["summary", "Owes me a beer"]
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])),
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// ...other fields
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}
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```
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`petname` SHOULD be rendered instead of the person's display name in all interfaces when the signer of this event is logged in.
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### Relationship Categories
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Optional `n` tags `["n", "<identifier>"]` add the target key to event sets. This allows clients to query by `n` and download all members of a set.
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Set `identifier` can be human readable and public or not.
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For private cases, a new event kind named "Event Set Names" (`kind:10008`) uses `map` tags to store the set name. Clients SHOULD display the `name` instead of the `identifier` if the `identifier` is present in this event.
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```js
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{
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"kind": 10008,
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"content": nip44Encrypt(JSON.stringify([
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["map", "<identifier>", "<name>"],
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["map", "bitcoiner", "bitcoiner"],
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["map", "6064460175057025", "debtor"]
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])),
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// ...other fields
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}
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```
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### Private Relationship Status
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For relationships that must remain private (e.g private follows, client lists, etc), the event kind `31382` uses a similar structure but with a hashed `d` tag using [NIP-44](44.md)'s `hkdf` function.
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```js
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{
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"kind": 31382,
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"tags": [
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["d", sha256(hkdf(private_key, salt: 'nip81') || "<pubkey>")],
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["n", "6064460175057025"],
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],
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"content": nip44Encrypt(JSON.stringify([
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["p", "<pubkey>", "<relay url>"],
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["n", "client-list"],
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["petname", "<My buddy>"],
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["summary", "<Summary of the relationship>"],
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])),
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// ...other fields
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}
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``` |