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@ -6,148 +6,107 @@ Lists
`draft` `optional` `draft` `optional`
A "list" event is defined as having a list of public and/or private tags. Public tags will be listed in the event `tags`. Private tags will be encrypted in the event `content`. Encryption for private tags will use [NIP-04 - Encrypted Direct Message](04.md) encryption, using the list author's private and public key for the shared secret. A distinct event kind should be used for each list type created. This NIP defines lists of things that users can create. Lists can contain references to anything, and these references can be **public** or **private**.
If a list should only be defined once per user (like the "mute" list) the list is declared as a _replaceable event_. These lists may be referred to as "replaceable lists". Otherwise, the list is a _parameterized replaceable event_ and the list name will be used as the `d` tag. These lists may be referred to as "parameterized replaceable lists". Public items in a list are specified in the event `tags` array, while private items are specified in a JSON array that mimics the structure of the event `tags` array, but stringified and encrypted using the same scheme from [NIP-04](04.md) (the shared key is computed using the author's public and private key) and stored in the `.content`.
## Replaceable List Event Example ## Types of lists
Lets say a user wants to create a 'Mute' list and has keys: ## Standard lists
```
priv: fb505c65d4df950f5d28c9e4d285ee12ffaf315deef1fc24e3c7cd1e7e35f2b1
pub: b1a5c93edcc8d586566fde53a20bdb50049a97b15483cb763854e57016e0fa3d
```
The user wants to publicly include these users:
```json Standard lists use non-parameterized replaceable events, meaning users may only have a single list of each kind. They have special meaning and clients may rely on them to augment a user's profile or browsing experience.
["p", "3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d"],
["p", "32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245"]
```
and privately include these users (below is the JSON that would be encrypted and placed in the event content):
```json For example, _mute lists_ can contain the public keys of spammers and bad actors users don't want to see in their feeds or receive annoying notifications from.
[
["p", "9ec7a778167afb1d30c4833de9322da0c08ba71a69e1911d5578d3144bb56437"],
["p", "8c0da4862130283ff9e67d889df264177a508974e2feb96de139804ea66d6168"]
]
```
Then the user would create a 'Mute' list event like below: | name | kind | description | expected tag items |
| --- | --- | --- | --- |
| Mute list | 10000 | things the user doesn't want to see in their feeds | `"p"` (pubkeys), `"t"` (hashtags), `"word"` (lowercase string), `"e"` (threads) |
| Pinned notes | 10001 | events the user intends to showcase in their profile page | `"e"` (kind:1 notes) |
| Bookmarks | 10003 | uncategorized, "global" list of things a user wants to save | `"e"` (kind:1 notes), `"a"` (kind:30023 articles), `"t"` (hashtags), `"r" (URLs)` |
| Communities | 10004 | [NIP-72](72.md) communities the user belongs to | `"a"` (kind:34550 community definitions) |
| Public chats | 10005 | [NIP-28](28.md) chat channels the user is in | `"e"` (kind:40 channel definitions) |
| Blocked relays | 10006 | relays clients should never connect to | `"relay"` (relay URLs) |
| Search relays | 10007 | relays clients should use when performing search queries | `"relay"` (relay URLs) |
| Interests | 10015 | topics a user may be interested in and pointers | `"t"` (hashtags) and `"a" (kind:30015 interest set)` |
| Emojis | 10030 | user preferred emojis and pointers to emoji sets | `"emoji"` (see [NIP-30](30.md)) and `"a"` (kind:30030 emoji set) |
## Sets
Sets are lists with well-defined meaning that can enhance the functionality and the UI of clients that rely on them. Unlike standard lists, users are expected to have more than one set of each kind, therefore each of them must be assigned a different `"d"` identifier.
For example, _relay sets_ can be displayed in a dropdown UI to give users the option to switch to which relays they will publish an event or from which relays they will read the replies to an event; _curation sets_ can be used by apps to showcase curations made by others tagged to different topics.
Aside from their main identifier, the `"d"` tag, sets can optionally have a `"title"`, an `"image"` and a `"description"` tags that can be used to enhance their UI.
| name | kind | description | expected tag items |
| --- | --- | --- | --- |
| Follow sets | 30000 | categorized groups of users a client may choose to check out in different circumstances | `"p"` (pubkeys) |
| Relay sets | 30002 | user-defined relay groups the user can easily pick and choose from during various operations | `"relay"` (relay URLs) |
| Bookmark sets | 30003 | user-defined bookmarks categories , for when bookmarks must be in labeled separate groups | `"e"` (kind:1 notes), `"a"` (kind:30023 articles), `"t"` (hashtags), `"r" (URLs)` |
| Curation sets | 30004 | groups of articles picked by users as interesting and/or belonging to the same category | `"a"` (kind:30023 articles), `"e"` (kind:1 notes) |
| Interest sets | 30015 | interest topics represented by a bunch of "hashtags" | `"t"` (hashtags) |
| Emoji sets | 30030 | categorized emoji groups | `"emoji"` (see [NIP-30](30.md)) |
## Deprecated standard lists
Some clients have used these lists in the past, but they should work on transitioning to the [standard formats](#standard-lists) above.
| kind | "d" tag | use instead |
| --- | --- | --- |
| 30000 | `"mute"` | kind 10000 _mute list_ |
| 30001 | `"pin"` | kind 10001 _pin list_ |
| 30001 | `"bookmark"` | kind 10003 _bookmarks list_ |
| 30001 | `"communities"` | kind 10004 _communities list_ |
## Examples
### A _mute list_ with some public items and some encrypted items
```json ```json
{ {
"id": "a92a316b75e44cfdc19986c634049158d4206fcc0b7b9c7ccbcdabe28beebcd0",
"pubkey": "854043ae8f1f97430ca8c1f1a090bdde6488bd5115c7a45307a2a212750ae4cb",
"created_at": 1699597889,
"kind": 10000, "kind": 10000,
"tags": [ "tags": [
["p", "3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d"], ["p", "07caba282f76441955b695551c3c5c742e5b9202a3784780f8086fdcdc1da3a9"],
["p", "32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245"], ["p", "a55c15f5e41d5aebd236eca5e0142789c5385703f1a7485aa4b38d94fd18dcc4"]
], ],
"content": "VezuSvWak++ASjFMRqBPWS3mK5pZ0vRLL325iuIL4S+r8n9z+DuMau5vMElz1tGC/UqCDmbzE2kwplafaFo/FnIZMdEj4pdxgptyBV1ifZpH3TEF6OMjEtqbYRRqnxgIXsuOSXaerWgpi0pm+raHQPseoELQI/SZ1cvtFqEUCXdXpa5AYaSd+quEuthAEw7V1jP+5TDRCEC8jiLosBVhCtaPpLcrm8HydMYJ2XB6Ixs=?iv=/rtV49RFm0XyFEwG62Eo9A==", "content": "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?iv=S3rFeFr1gsYqmQA7bNnNTQ==",
...other fields "sig": "1173822c53261f8cffe7efbf43ba4a97a9198b3e402c2a1df130f42a8985a2d0d3430f4de350db184141e45ca844ab4e5364ea80f11d720e36357e1853dba6ca"
} }
``` ```
### A _curation set_ of articles and notes about yaks
## Parameterized Replaceable List Event Example
Lets say a user wants to create a 'Categorized People' list of `nostr` people and has keys:
``` ```
priv: fb505c65d4df950f5d28c9e4d285ee12ffaf315deef1fc24e3c7cd1e7e35f2b1
pub: b1a5c93edcc8d586566fde53a20bdb50049a97b15483cb763854e57016e0fa3d
```
The user wants to publicly include these users:
```json
["p", "3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d"],
["p", "32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245"]
```
and privately include these users (below is the JSON that would be encrypted and placed in the event content):
```json
[
["p", "9ec7a778167afb1d30c4833de9322da0c08ba71a69e1911d5578d3144bb56437"],
["p", "8c0da4862130283ff9e67d889df264177a508974e2feb96de139804ea66d6168"]
]
```
Then the user would create a 'Categorized People' list event like below:
```json
{ {
"kind": 30000, "id": "567b41fc9060c758c4216fe5f8d3df7c57daad7ae757fa4606f0c39d4dd220ef",
"pubkey": "d6dc95542e18b8b7aec2f14610f55c335abebec76f3db9e58c254661d0593a0c",
"created_at": 1695327657,
"kind": 30004,
"tags": [ "tags": [
["d", "nostr"], ["d", "jvdy9i4"],
["p", "3bf0c63fcb93463407af97a5e5ee64fa883d107ef9e558472c4eb9aaaefa459d"], ["name", "Yaks"],
["p", "32e1827635450ebb3c5a7d12c1f8e7b2b514439ac10a67eef3d9fd9c5c68e245"], ["picture", "https://cdn.britannica.com/40/188540-050-9AC748DE/Yak-Himalayas-Nepal.jpg"],
["about", "The domestic yak, also known as the Tartary ox, grunting ox, or hairy cattle, is a species of long-haired domesticated cattle found throughout the Himalayan region of the Indian subcontinent, the Tibetan Plateau, Gilgit-Baltistan, Tajikistan and as far north as Mongolia and Siberia."],
["a", "30023:26dc95542e18b8b7aec2f14610f55c335abebec76f3db9e58c254661d0593a0c:95ODQzw3ajNoZ8SyMDOzQ"],
["a", "30023:54af95542e18b8b7aec2f14610f55c335abebec76f3db9e58c254661d0593a0c:1-MYP8dAhramH9J5gJWKx"],
["a", "30023:f8fe95542e18b8b7aec2f14610f55c335abebec76f3db9e58c254661d0593a0c:D2Tbd38bGrFvU0bIbvSMt"],
["e", "d78ba0d5dce22bfff9db0a9e996c9ef27e2c91051de0c4e1da340e0326b4941e"]
], ],
"content": "VezuSvWak++ASjFMRqBPWS3mK5pZ0vRLL325iuIL4S+r8n9z+DuMau5vMElz1tGC/UqCDmbzE2kwplafaFo/FnIZMdEj4pdxgptyBV1ifZpH3TEF6OMjEtqbYRRqnxgIXsuOSXaerWgpi0pm+raHQPseoELQI/SZ1cvtFqEUCXdXpa5AYaSd+quEuthAEw7V1jP+5TDRCEC8jiLosBVhCtaPpLcrm8HydMYJ2XB6Ixs=?iv=/rtV49RFm0XyFEwG62Eo9A==", "content": "",
...other fields "sig": "a9a4e2192eede77e6c9d24ddfab95ba3ff7c03fbd07ad011fff245abea431fb4d3787c2d04aad001cb039cb8de91d83ce30e9a94f82ac3c5a2372aa1294a96bd"
} }
``` ```
Lets say a user wants to create a 'Categorized Bookmarks' list of `bookmarks` and has keys: ## Encryption process pseudocode
```
priv: fb505c65d4df950f5d28c9e4d285ee12ffaf315deef1fc24e3c7cd1e7e35f2b1
pub: b1a5c93edcc8d586566fde53a20bdb50049a97b15483cb763854e57016e0fa3d
```
The user wants to publicly include these bookmarks:
```json ```scala
["e", "5c83da77af1dec6d7289834998ad7aafbd9e2191396d75ec3cc27f5a77226f36", "wss://nostr.example.com"], val private_items = [
["a", "30023:f7234bd4c1394dda46d09f35bd384dd30cc552ad5541990f98844fb06676e9ca:abcd", "wss://nostr.example.com"], ["p", "07caba282f76441955b695551c3c5c742e5b9202a3784780f8086fdcdc1da3a9"],
["r", "https://github.com/nostr-protocol/nostr", "Nostr repository"], ["a", "a55c15f5e41d5aebd236eca5e0142789c5385703f1a7485aa4b38d94fd18dcc4"],
```
and privately include these bookmarks (below is the JSON that would be encrypted and placed in the event content):
```json
[
["r", "https://my-private.bookmark", "My private bookmark"],
["a", "30001:f7234bd4c1394dda46d09f35bd384dd30cc552ad5541990f98844fb06676e9ca:abcd", "wss://nostr.example.com"],
] ]
val base64blob = nip04.encrypt(json.encode_to_string(private_items))
event.content = base64blob
``` ```
Then the user would create a 'Categorized Bookmarks' list event like below:
```json
{
"kind": 30001,
"tags": [
["d", "bookmarks"],
["e", "5c83da77af1dec6d7289834998ad7aafbd9e2191396d75ec3cc27f5a77226f36", "wss://nostr.example.com"],
["a", "30023:f7234bd4c1394dda46d09f35bd384dd30cc552ad5541990f98844fb06676e9ca:abcd", "wss://nostr.example.com"],
["r", "https://github.com/nostr-protocol/nostr", "Nostr repository"],
],
"content": "y3AyaLJfnmYr9x9Od9o4aYrmL9+Ynmsim5y2ONrU0urOTq+V81CyAthQ2mUOWE9xwGgrizhY7ILdQwWhy6FK0sA33GHtC0egUJw1zIdknPe7BZjznD570yk/8RXYgGyDKdexME+RMYykrnYFxq1+y/h00kmJg4u+Gpn+ZjmVhNYxl9b+TiBOAXG9UxnK/H0AmUqDpcldn6+j1/AiStwYZhD1UZ3jzDIk2qcCDy7MlGnYhSP+kNmG+2b0T/D1L0Z7?iv=PGJJfPE84gacAh7T0e6duQ==",
...other fields
}
```
## List Event Kinds
| kind | list type |
| ------ | ----------------------- |
| 10000 | Mute |
| 10001 | Pin |
| 30000 | Categorized People |
| 30001 | Categorized Bookmarks |
| 30002 | Categorized Relay Sets |
### Mute List
An event with kind `10000` is defined as a replaceable list event for listing content a user wants to mute. Any standardized tag can be included in a Mute List.
### Pin List
An event with kind `10001` is defined as a replaceable list event for listing content a user wants to pin. Any standardized tag can be included in a Pin List.
### Categorized People List
An event with kind `30000` is defined as a parameterized replaceable list event for categorizing people. The 'd' parameter for this event holds the category name of the list. The tags included in these lists MUST follow the format of kind 3 events as defined in [NIP-02 - Contact List and Petnames](02.md).
### Categorized Bookmarks List
An event of kind `30001` is defined as a parameterized replaceable list event for categorizing bookmarks. The 'd' parameter for this event holds the category name of the list. The bookmark lists may contain metadata tags such as 'title', 'image', 'summary' as defined in [NIP-23 - Long-form Content](23.md). Any standardized tag can be included in a Categorized Bookmark List.
### Categorized Relay Set
An event of kind `30002` is defined as a parameterized replaceable list event for categorizing relays. The 'd' parameter for this event holds the category name of the list. The relays lists may contain metadata tags such as 'title', 'image', 'summary' as defined in [NIP-23 - Long-form Content](23.md). These sets can be used by clients in order to determine which relays to query in different scenarios.

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@ -76,66 +76,80 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
- [NIP-99: Classified Listings](99.md) - [NIP-99: Classified Listings](99.md)
## Event Kinds ## Event Kinds
| kind | description | NIP | | kind | description | NIP |
| ------------- | -------------------------- | ----------- | | ------------- | -------------------------- | ----------- |
| `0` | Metadata | [1](01.md) | | `0` | Metadata | [1](01.md) |
| `1` | Short Text Note | [1](01.md) | | `1` | Short Text Note | [1](01.md) |
| `2` | Recommend Relay | | | `2` | Recommend Relay | |
| `3` | Contacts | [2](02.md) | | `3` | Contacts | [2](02.md) |
| `4` | Encrypted Direct Messages | [4](04.md) | | `4` | Encrypted Direct Messages | [4](04.md) |
| `5` | Event Deletion | [9](09.md) | | `5` | Event Deletion | [9](09.md) |
| `6` | Repost | [18](18.md) | | `6` | Repost | [18](18.md) |
| `7` | Reaction | [25](25.md) | | `7` | Reaction | [25](25.md) |
| `8` | Badge Award | [58](58.md) | | `8` | Badge Award | [58](58.md) |
| `16` | Generic Repost | [18](18.md) | | `16` | Generic Repost | [18](18.md) |
| `40` | Channel Creation | [28](28.md) | | `40` | Channel Creation | [28](28.md) |
| `41` | Channel Metadata | [28](28.md) | | `41` | Channel Metadata | [28](28.md) |
| `42` | Channel Message | [28](28.md) | | `42` | Channel Message | [28](28.md) |
| `43` | Channel Hide Message | [28](28.md) | | `43` | Channel Hide Message | [28](28.md) |
| `44` | Channel Mute User | [28](28.md) | | `44` | Channel Mute User | [28](28.md) |
| `1063` | File Metadata | [94](94.md) | | `1063` | File Metadata | [94](94.md) |
| `1311` | Live Chat Message | [53](53.md) | | `1311` | Live Chat Message | [53](53.md) |
| `1040` | OpenTimestamps | [03](03.md) | | `1040` | OpenTimestamps | [03](03.md) |
| `1971` | Problem Tracker | [1971](https://github.com/nostrocket/NIPS/blob/main/Problems.md) | | `1971` | Problem Tracker | [nostrocket-1971][nostrocket-1971] |
| `1984` | Reporting | [56](56.md) | | `1984` | Reporting | [56](56.md) |
| `1985` | Label | [32](32.md) | | `1985` | Label | [32](32.md) |
| `4550` | Community Post Approval | [72](72.md) | | `4550` | Community Post Approval | [72](72.md) |
| `5000`-`5999` | Job Request | [90](90.md) | | `5000`-`5999` | Job Request | [90](90.md) |
| `6000`-`6999` | Job Result | [90](90.md) | | `6000`-`6999` | Job Result | [90](90.md) |
| `7000` | Job Feedback | [90](90.md) | | `7000` | Job Feedback | [90](90.md) |
| `9041` | Zap Goal | [75](75.md) | | `9041` | Zap Goal | [75](75.md) |
| `9734` | Zap Request | [57](57.md) | | `9734` | Zap Request | [57](57.md) |
| `9735` | Zap | [57](57.md) | | `9735` | Zap | [57](57.md) |
| `9802` | Highlights | [84](84.md) | | `9802` | Highlights | [84](84.md) |
| `10000` | Mute List | [51](51.md) | | `10000` | Mute list | [51](51.md) |
| `10001` | Pin List | [51](51.md) | | `10001` | Pin list | [51](51.md) |
| `10002` | Relay List Metadata | [65](65.md) | | `10002` | Relay List Metadata | [65](65.md) |
| `13194` | Wallet Info | [47](47.md) | | `10003` | Bookmark list | [51](51.md) |
| `22242` | Client Authentication | [42](42.md) | | `10004` | Communities list | [51](51.md) |
| `23194` | Wallet Request | [47](47.md) | | `10005` | Public chats list | [51](51.md) |
| `23195` | Wallet Response | [47](47.md) | | `10006` | Blocked relays list | [51](51.md) |
| `24133` | Nostr Connect | [46](46.md) | | `10007` | Search relays list | [51](51.md) |
| `27235` | HTTP Auth | [98](98.md) | | `10015` | Interests list | [51](51.md) |
| `30000` | Categorized People List | [51](51.md) | | `10030` | User emoji list | [51](51.md) |
| `30001` | Categorized Bookmark List | [51](51.md) | | `13194` | Wallet Info | [47](47.md) |
| `30008` | Profile Badges | [58](58.md) | | `22242` | Client Authentication | [42](42.md) |
| `30009` | Badge Definition | [58](58.md) | | `23194` | Wallet Request | [47](47.md) |
| `30017` | Create or update a stall | [15](15.md) | | `23195` | Wallet Response | [47](47.md) |
| `30018` | Create or update a product | [15](15.md) | | `24133` | Nostr Connect | [46](46.md) |
| `30023` | Long-form Content | [23](23.md) | | `27235` | HTTP Auth | [98](98.md) |
| `30024` | Draft Long-form Content | [23](23.md) | | `30000` | Follow sets | [51](51.md) |
| `30078` | Application-specific Data | [78](78.md) | | `30001` | Generic lists | [51](51.md) |
| `30311` | Live Event | [53](53.md) | | `30002` | Relay sets | [51](51.md) |
| `30315` | User Statuses | [38](38.md) | | `30003` | Bookmark sets | [51](51.md) |
| `30402` | Classified Listing | [99](99.md) | | `30004` | Curation sets | [51](51.md) |
| `30403` | Draft Classified Listing | [99](99.md) | | `30008` | Profile Badges | [58](58.md) |
| `31922` | Date-Based Calendar Event | [52](52.md) | | `30009` | Badge Definition | [58](58.md) |
| `31923` | Time-Based Calendar Event | [52](52.md) | | `30015` | Interest sets | [51](51.md) |
| `31924` | Calendar | [52](52.md) | | `30030` | Emoji sets | [51](51.md) |
| `31925` | Calendar Event RSVP | [52](52.md) | | `30017` | Create or update a stall | [15](15.md) |
| `31989` | Handler recommendation | [89](89.md) | | `30018` | Create or update a product | [15](15.md) |
| `31990` | Handler information | [89](89.md) | | `30023` | Long-form Content | [23](23.md) |
| `34550` | Community Definition | [72](72.md) | | `30024` | Draft Long-form Content | [23](23.md) |
| `30078` | Application-specific Data | [78](78.md) |
| `30311` | Live Event | [53](53.md) |
| `30315` | User Statuses | [38](38.md) |
| `30402` | Classified Listing | [99](99.md) |
| `30403` | Draft Classified Listing | [99](99.md) |
| `31922` | Date-Based Calendar Event | [52](52.md) |
| `31923` | Time-Based Calendar Event | [52](52.md) |
| `31924` | Calendar | [52](52.md) |
| `31925` | Calendar Event RSVP | [52](52.md) |
| `31989` | Handler recommendation | [89](89.md) |
| `31990` | Handler information | [89](89.md) |
| `34550` | Community Definition | [72](72.md) |
[nostrocket-1971]: https://github.com/nostrocket/NIPS/blob/main/Problems.md
## Message types ## Message types