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NIP-57: Define private zaps

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benthecarman 2024-02-20 22:18:02 +00:00
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57.md
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@ -183,6 +183,82 @@ When an event includes one or more `zap` tags, clients wishing to zap it SHOULD
Clients MAY display the zap split configuration in the note.
## Future Work
### Appendix G: Anon Zap Request Event
Zaps can be extended to be more private by encrypting `zap request` notes to the target user, but for simplicity it has been left out of this initial draft.
The same as a zap request, with the `anon` tag added.
Example:
```json
{
"kind": 9734,
"content": "Zap!",
"tags": [
["relays", "wss://nostr-pub.wellorder.com", "wss://anotherrelay.example.com"],
["amount", "21000"],
["lnurl", "lnurl1dp68gurn8ghj7um5v93kketj9ehx2amn9uh8wetvdskkkmn0wahz7mrww4excup0dajx2mrv92x9xp"],
["p", "04c915daefee38317fa734444acee390a8269fe5810b2241e5e6dd343dfbecc9"],
["e", "9ae37aa68f48645127299e9453eb5d908a0cbb6058ff340d528ed4d37c8994fb"]
["anon"]
],
"pubkey": "97c70a44366a6535c145b333f973ea86dfdc2d7a99da618c40c64705ad98e322",
"created_at": 1679673265,
"id": "30efed56a035b2549fcaeec0bf2c1595f9a9b3bb4b1a38abaf8ee9041c4b7d93",
"sig": "f2cb581a84ed10e4dc84937bd98e27acac71ab057255f6aa8dfa561808c981fe8870f4a03c1e3666784d82a9c802d3704e174371aa13d63e2aeaf24ff5374d9d"
}
```
### Appendix H: Private Zap Request Event
A `private zap request` is used to send a zap to a user but only revealing the sender's identity to the receiver.
An `anon` tag is added to the `zap request` event with the encrypted `private zap request` event.
The `private zap event` is encrypted using [NIP-04](04.md) between the `zap request` key and the recipient's pubkey. The `zap request` key is the ephemeral key used to sign the `zap request` event.
The encrypted `private zap request` event is then added to the `zap request` event as the `anon` tag bech32 encoded with the `hrp` of `pzap1` and the `iv` values of the encryption are added with an underscore followed by the iv being bech32 encoded wit the `hrp` of `iv`.
Example Private Zap Event:
```json
{
"id": "9bf0e1d812e10faa5fd3d2560637f8e99fcbfff478583d2c835754d791acfda5",
"pubkey": "385c3a6ec0b9d57a4330dbd6284989be5bd00e41c535f9ca39b6ae7c521b81cd",
"created_at": 1708467377,
"kind": 9733,
"tags": [
[
"p",
"aa4fc8665f5696e33db7e1a572e3b0f5b3d615837b0f362dcb1c8068b098c7b4"
]
],
"content": "Private Zap message!",
"sig": "48cc725483f41207e83c48f3d01a4e5d341bedcf556e158c19b9faac42bca30e92113049268522cd5052ab3c69850c5df7e2b4fb40c72ce770996edee5a57c8d"
}
```
Example Private Zap Request Event:
```json
{
"id": "4ef9df0a6c7dd8b761145acc7055ae077df716bd8c374496d1f598c5b63bcd7a",
"pubkey": "79d4773fded68a3ea9a30f13e651ff83e150957dacb0c2f6038883d837e1b17b",
"created_at": 1708466564,
"kind": 9734,
"tags": [
[
"p",
"aa4fc8665f5696e33db7e1a572e3b0f5b3d615837b0f362dcb1c8068b098c7b4"
],
[
"relays",
"wss://relay.damus.io"
],
[
"anon",
"pzap1n0pkup9fxc9w3yd2tvfr03shffrapfz8rtzu9kkq6v222jw5rgtp9myyh378gdtwptpnls8f0rv0v2dyapgt7sssu4263puepgshsj9g4u9y5lvfv9fsujlgvywsuejvftlfzcanu5fmnf2a3grlelwe8v0z4mdkyhr9mddxpswtvp7mtlc4acdys7740t0x5ej36qs5amfzwz5dpwlaf4gsl69lzhqdgc3hgt62xw4y8384a6zvsnf96l3ardkd2vkk6cm77p6v7ul3gwgjr7tra7uzpkvf4hncxp5qd75h6cdadf6n2d7edhc3dyyy7qpdka2mgqhvckhzhd2gcaux34jyw6qfk3nxhaaqs6pqkuy6z34wu2p2fvqqvg55eyqlrndjlgekm7xu08lqc3g0nje59uqu0adqerv2puypez3eck9xzupg4vxyfclk37qfqxra8nt4tk9ydc2tzhpnl4wpf7jf2nrkchknfnfgmezfyqe074dexe5mkxgw67j7zn8s24tae8tml747qnq0edw5jxsx6xfc4qhshf3man0s5duw6wm63ue8fese8c7hanqzphjna3g0ee4jgpwceqzk9jgrvf9rnkt89tkvh75qm65nvtqpud30vecwlqzdlu9fhcaj7jv89gpy32y2k828vsj7x8hmlq55rleeq23e062apenymv96tkvltv266ww6kly2q2t7k6z_iv189a0s9afn7ehz4gpeanueh56cv6t79qk"
]
],
"content": "",
"sig": "95984f4403a4f414436270584a2ea1e3b83c988a0794ed8438f7d214714de3d982edf5eaf494362333ee07b2ce49c64c1d1206ec3914e9c7d7d4bf958d8bbfad"
}
```

1
README.md
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@ -113,6 +113,7 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
| `6000`-`6999` | Job Result | [90](90.md) |
| `7000` | Job Feedback | [90](90.md) |
| `9041` | Zap Goal | [75](75.md) |
| `9733` | Private Zap Request | [57](57.md) |
| `9734` | Zap Request | [57](57.md) |
| `9735` | Zap | [57](57.md) |
| `9802` | Highlights | [84](84.md) |