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Author SHA1 Message Date
fiatjaf
bf78188069 add video and photos follows and relay lists to nip51. 2025-05-08 22:57:41 -03:00
4 changed files with 106 additions and 153 deletions

49
51.md
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@@ -20,25 +20,29 @@ Standard lists use normal replaceable events, meaning users may only have a sing
For example, _mute list_ can contain the public keys of spammers and bad actors users don't want to see in their feeds or receive annoying notifications from.
| name | kind | description | expected tag items |
| --- | --- | --- | --- |
| Follow list | 3 | microblogging basic follow list, see [NIP-02](02.md) | `"p"` (pubkeys -- with optional relay hint and petname) |
| 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) |
| Read/write relays | 10002 | where a user publishes to and where they expect mentions | see [NIP-65](65.md) |
| 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) |
| Simple groups | 10009 | [NIP-29](29.md) groups the user is in | `"group"` ([NIP-29](29.md) group id + relay URL + optional group name), `"r"` for each relay in use |
| Favorite relays | 10012 | user favorite relays and pointers to relay sets | `"relay"` (relay URLs) and `"a"` (kind:30002 relay set) |
| Interests | 10015 | topics a user may be interested in and pointers | `"t"` (hashtags) and `"a"` (kind:30015 interest set) |
| Media follows | 10020 | multimedia (photos, short video) follow list | `"p"` (pubkeys -- with optional relay hint and petname) |
| Emojis | 10030 | user preferred emojis and pointers to emoji sets | `"emoji"` (see [NIP-30](30.md)) and `"a"` (kind:30030 emoji set) |
| DM relays | 10050 | Where to receive [NIP-17](17.md) direct messages | `"relay"` (see [NIP-17](17.md)) |
| Good wiki authors | 10101 | [NIP-54](54.md) user recommended wiki authors | `"p"` (pubkeys) |
| Good wiki relays | 10102 | [NIP-54](54.md) relays deemed to only host useful articles | `"relay"` (relay URLs) |
| name | kind | description | expected tag items |
| --- | --- | --- | --- |
| Follow list | 3 | microblogging basic follow list, see [NIP-02](02.md) | `"p"` (pubkeys -- with optional relay hint and petname) |
| 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) |
| Read/write relays | 10002 | where a user publishes to and where they expect mentions | see [NIP-65](65.md) |
| 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) |
| Simple groups | 10009 | [NIP-29](29.md) groups the user is in | `"group"` ([NIP-29](29.md) group id + relay URL + optional group name), `"r"` for each relay in use |
| Favorite relays | 10012 | user favorite relays and pointers to relay sets | `"relay"` (relay URLs) and `"a"` (kind:30002 relay set) |
| Interests | 10015 | topics a user may be interested in and pointers | `"t"` (hashtags) and `"a"` (kind:30015 interest set) |
| Media follows | 10020 | multimedia (photos, short video) follow list | `"p"` (pubkeys -- with optional relay hint and petname) |
| Emojis | 10030 | user preferred emojis and pointers to emoji sets | `"emoji"` (see [NIP-30](30.md)) and `"a"` (kind:30030 emoji set) |
| DM relays | 10050 | Where to receive [NIP-17](17.md) direct messages | `"relay"` (see [NIP-17](17.md)) |
| Good wiki authors | 10101 | [NIP-54](54.md) user recommended wiki authors | `"p"` (pubkeys) |
| Good wiki relays | 10102 | [NIP-54](54.md) relays deemed to only host useful articles | `"relay"` (relay URLs) |
| Video subscriptions | 10111 | [NIP-71](71.md) video-exclusive follows | `"p"` (pubkeys) |
| Good video relays | 10112 | relays deemed to only host good [NIP-71](71.md) videos | `"relay"` (relay URLs) |
| Photo subscriptions | 10111 | [NIP-68](71.md) photo-exclusive follows | `"p"` (pubkeys) |
| Good photo relays | 10112 | relays deemed to only host good [NIP-68](71.md) photos | `"relay"` (relay URLs) |
### Sets
@@ -60,7 +64,6 @@ Aside from their main identifier, the `"d"` tag, sets can optionally have a `"ti
| Emoji sets | 30030 | categorized emoji groups | `"emoji"` (see [NIP-30](30.md)) |
| Release artifact sets | 30063 | group of artifacts of a software release | `"e"` (kind:1063 [file metadata](94.md) events), `"a"` (software application event) |
| App curation sets | 30267 | references to multiple software applications | `"a"` (software application event) |
| Calendar | 31924 | a set of events categorized in any way | `"a"` (calendar event event) |
| Starter packs | 39089 | a named set of profiles to be shared around with the goal of being followed together | `"p"` (pubkeys) |
| Media starter packs | 39092 | same as above, but specific to multimedia (photos, short video) clients | `"p"` (pubkeys) |
@@ -104,9 +107,9 @@ Some clients have used these lists in the past, but they should work on transiti
"kind": 30004,
"tags": [
["d", "jvdy9i4"],
["title", "Yaks"],
["image", "https://cdn.britannica.com/40/188540-050-9AC748DE/Yak-Himalayas-Nepal.jpg"],
["description", "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."],
["name", "Yaks"],
["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"],

129
52.md
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@@ -12,14 +12,23 @@ Unlike the term `calendar event` specific to this NIP, the term `event` is used
## Calendar Events
There are two types of calendar events represented by different kinds: _date-based_ and _time-based_ calendar events.
There are two types of calendar events represented by different kinds: date-based and time-based calendar events. Calendar events are not required to be part of a [calendar](#calendar).
These tags are common to both types of calendar events:
### Date-Based Calendar Event
* `d` (required) a short unique string identifier. Generated by the client creating the calendar event.
This kind of calendar event starts on a date and ends before a different date in the future. Its use is appropriate for all-day or multi-day events where time and time zone hold no significance. e.g., anniversary, public holidays, vacation days.
#### Format
The format uses an _addressable event_ of `kind:31922`.
The `.content` of these events should be a detailed description of the calendar event. It is required but can be an empty string.
The list of tags are as follows:
* `d` (required) universally unique identifier (UUID). Generated by the client creating the calendar event.
* `title` (required) title of the calendar event
* `summary` (optional) brief description of the calendar event
* `image` (optional) url of an image to use for the event
* `start` (required) inclusive start date in ISO 8601 format (YYYY-MM-DD). Must be less than `end`, if it exists.
* `end` (optional) exclusive end date in ISO 8601 format (YYYY-MM-DD). If omitted, the calendar event ends on the same date as `start`.
* `location` (optional, repeated) location of the calendar event. e.g. address, GPS coordinates, meeting room name, link to video call
* `g` (optional) [geohash](https://en.wikipedia.org/wiki/Geohash) to associate calendar event with a searchable physical location
* `p` (optional, repeated) 32-bytes hex pubkey of a participant, optional recommended relay URL, and participant's role in the meeting
@@ -27,49 +36,39 @@ These tags are common to both types of calendar events:
* `r` (optional, repeated) references / links to web pages, documents, video calls, recorded videos, etc.
The following tags are deprecated:
* `name` name of the calendar event. Use only if `title` is not available.
Calendar events are _not_ required to be part of a [calendar](#calendar).
### Date-Based Calendar Event
This kind of calendar event starts on a date and ends before a different date in the future. Its use is appropriate for all-day or multi-day events where time and time zone hold no significance. e.g., anniversary, public holidays, vacation days.
It's an _addressable event_ of `kind:31922`.
The `.content` of these events SHOULD be a description of the calendar event.
Aside from the common tags, this also takes the following tags:
* `start` (required) inclusive start date in ISO 8601 format (YYYY-MM-DD). Must be less than `end`, if it exists.
* `end` (optional) exclusive end date in ISO 8601 format (YYYY-MM-DD). If omitted, the calendar event ends on the same date as `start`.
Example:
```yaml
```jsonc
{
"id": <32-bytes lowercase hex-encoded SHA-256 of the the serialized event data>,
"pubkey": <32-bytes lowercase hex-encoded public key of the event creator>,
"created_at": <unix timestamp in seconds>,
"created_at": <Unix timestamp in seconds>,
"kind": 31922,
"content": "<description of calendar event>",
"tags": [
["d", "<random-identifier>"],
["d", "<UUID>"],
["title", "<title of calendar event>"],
// dates
// Dates
["start", "<YYYY-MM-DD>"],
["end", "<YYYY-MM-DD>"],
// location
// Location
["location", "<location>"],
["g", "<geohash>"],
// participants
// Participants
["p", "<32-bytes hex of a pubkey>", "<optional recommended relay URL>", "<role>"],
["p", "<32-bytes hex of a pubkey>", "<optional recommended relay URL>", "<role>"],
// Hashtags
["t", "<tag>"],
["t", "<tag>"],
// Reference links
["r", "<url>"],
["r", "<url>"]
]
}
```
@@ -78,68 +77,97 @@ Example:
This kind of calendar event spans between a start time and end time.
It's an _addressable event_ of `kind:31923`.
#### Format
The `.content` of these events should be a description of the calendar event. It is required but can be an empty string.
The format uses an _addressable event_ kind `31923`.
Aside from the common tags, this also takes the following tags:
The `.content` of these events should be a detailed description of the calendar event. It is required but can be an empty string.
The list of tags are as follows:
* `d` (required) universally unique identifier (UUID). Generated by the client creating the calendar event.
* `title` (required) title of the calendar event
* `start` (required) inclusive start Unix timestamp in seconds. Must be less than `end`, if it exists.
* `end` (optional) exclusive end Unix timestamp in seconds. If omitted, the calendar event ends instantaneously.
* `start_tzid` (optional) time zone of the start timestamp, as defined by the IANA Time Zone Database. e.g., `America/Costa_Rica`
* `end_tzid` (optional) time zone of the end timestamp, as defined by the IANA Time Zone Database. e.g., `America/Costa_Rica`. If omitted and `start_tzid` is provided, the time zone of the end timestamp is the same as the start timestamp.
* `summary` (optional) brief description of the calendar event
* `image` (optional) url of an image to use for the event
* `location` (optional, repeated) location of the calendar event. e.g. address, GPS coordinates, meeting room name, link to video call
* `g` (optional) [geohash](https://en.wikipedia.org/wiki/Geohash) to associate calendar event with a searchable physical location
* `p` (optional, repeated) 32-bytes hex pubkey of a participant, optional recommended relay URL, and participant's role in the meeting
* `l` (optional, repeated) label to categorize calendar event. e.g. `audiospace` to denote a scheduled event from a live audio space implementation such as cornychat.com
* `t` (optional, repeated) hashtag to categorize calendar event
* `r` (optional, repeated) references / links to web pages, documents, video calls, recorded videos, etc.
```yaml
The following tags are deprecated:
* `name` name of the calendar event. Use only if `title` is not available.
```jsonc
{
"id": <32-bytes lowercase hex-encoded SHA-256 of the the serialized event data>,
"pubkey": <32-bytes lowercase hex-encoded public key of the event creator>,
"created_at": <unix timestamp in seconds>,
"created_at": <Unix timestamp in seconds>,
"kind": 31923,
"content": "<description of calendar event>",
"tags": [
["d", "<random-identifier>"],
["d", "<UUID>"],
["title", "<title of calendar event>"],
["summary", "<brief description of the calendar event>"],
["image", "<string with image URI>"],
// timestamps
["start", "<unix timestamp in seconds>"],
["end", "<unix timestamp in seconds>"],
// Timestamps
["start", "<Unix timestamp in seconds>"],
["end", "<Unix timestamp in seconds>"],
["start_tzid", "<IANA Time Zone Database identifier>"],
["end_tzid", "<IANA Time Zone Database identifier>"],
// location
// Location
["location", "<location>"],
["g", "<geohash>"],
// participants
// Participants
["p", "<32-bytes hex of a pubkey>", "<optional recommended relay URL>", "<role>"],
["p", "<32-bytes hex of a pubkey>", "<optional recommended relay URL>", "<role>"],
// Labels (example using com.cornychat namespace denoting the event as an audiospace)
["L", "com.cornychat"],
["l", "audiospace", "com.cornychat"],
// Hashtags
["t", "<tag>"],
["t", "<tag>"],
// Reference links
["r", "<url>"],
["r", "<url>"]
]
}
```
## Calendar
A calendar is a collection of calendar events, represented as a custom _addressable list_ event using kind `31924`. A user can have multiple calendars. One may create a calendar to segment calendar events for specific purposes. e.g., personal, work, travel, meetups, and conferences.
A calendar is a collection of calendar events, represented as a custom replaceable list event using kind `31924`. A user can have multiple calendars. One may create a calendar to segment calendar events for specific purposes. e.g., personal, work, travel, meetups, and conferences.
### Format
The `.content` of these events should be a detailed description of the calendar. It is required but can be an empty string.
The format uses a custom replaceable list of kind `31924` with a list of tags as described below:
* `d` (required) universally unique identifier. Generated by the client creating the calendar.
* `title` (required) calendar title
* `a` (repeated) reference tag to kind `31922` or `31923` calendar event being responded to
```yaml
```json
{
"id": <32-bytes lowercase hex-encoded SHA-256 of the the serialized event data>,
"pubkey": <32-bytes lowercase hex-encoded public key of the event creator>,
"created_at": <unix timestamp in seconds>,
"created_at": <Unix timestamp in seconds>,
"kind": 31924,
"content": "<description of calendar>",
"tags": [
["d", "<random-identifier>"],
["d", "<UUID>"],
["title", "<calendar title>"],
["a", "<31922 or 31923>:<calendar event author pubkey>:<d-identifier of calendar event>", "<optional relay url>"],
["a", "<31922 or 31923>:<calendar event author pubkey>:<d-identifier of calendar event>", "<optional relay url>"]
@@ -163,12 +191,13 @@ The RSVP MUST have an `a` tag of the event coordinates to the calendar event, an
The RSVP MAY tag the author of the calendar event it is in response to using a `p` tag so that clients can easily query all RSVPs that pertain to the author.
The RSVP is an _addressable event_ of `kind:31925`.
### Format
The format uses an _addressable event_ kind `31925`.
The `.content` of these events is optional and should be a free-form note that adds more context to this calendar event response.
The list of tags is as follows:
The list of tags are as follows:
* `a` (required) coordinates to a kind `31922` or `31923` calendar event being responded to.
* `e` (optional) event id of a kind `31922` or `31923` calendar event being responded to.
* `d` (required) universally unique identifier. Generated by the client creating the calendar event RSVP.
@@ -176,17 +205,17 @@ The list of tags is as follows:
* `fb` (optional) `free` or `busy`. Determines if the user would be free or busy for the duration of the calendar event. This tag must be omitted or ignored if the `status` label is set to `declined`.
* `p` (optional) pubkey of the author of the calendar event being responded to.
```yaml
```json
{
"id": <32-bytes lowercase hex-encoded SHA-256 of the the serialized event data>,
"pubkey": <32-bytes lowercase hex-encoded public key of the event creator>,
"created_at": <unix timestamp in seconds>,
"created_at": <Unix timestamp in seconds>,
"kind": 31925,
"content": "<note>",
"tags": [
["e", "<kind 31922 or 31923 event id", "<optional recommended relay URL>"]
["a", "<31922 or 31923>:<calendar event author pubkey>:<d-identifier of calendar event>", "<optional recommended relay URL>"],
["d", "<random-identifier>"],
["d", "<UUID>"],
["status", "<accepted/declined/tentative>"],
["fb", "<free/busy>"],
["p", "<hex pubkey of kind 31922 or 31923 event>", "<optional recommended relay URL>"]

73
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@@ -84,79 +84,6 @@ Event `kind:1311` is live chat's channel message. Clients MUST include the `a` t
Hosts may choose to pin one or more live chat messages by updating the `pinned` tags in the live event kind `30311`.
### Stream Raids
Event `kind:1312` is a live stream raid (redirect viewers to another stream).
Clients MUST include two `a` tags, one marked as `from` and the other marked as `to` which redirects viewers to a new live stream.
The `content` MAY contain a raid message.
Clients SHOULD automatically redirect viewers from one stream to another.
This is a similar function used on Twitch also called raids.
```jsonc
{
"kind": 1312,
"tags": [
["a", "30311:<Community event author pubkey>:<d-identifier of the community>", "<Optional relay url>", "from"],
["a", "30311:<Community event author pubkey>:<d-identifier of the community>", "<Optional relay url>", "to"],
],
"content": "Zap this epic streamer!",
// other fields...
}
```
### Stream Clips
Event `kind:1313` is a live stream clip.
A clip is a small video clip taken from the live stream used to highlight a specific memorable or entertaining part of the stream.
Clients MUST include one `a` tag which points to the live stream event which the clip was taken from.
Clients MUST include one `r` tag which is a URL pointing to the video clip file, preferably in MP4 format for maximum compatibility.
Clients MAY also include a message about the clip in the `title` tag.
```jsonc
{
"kind": 1313,
"tags": [
["a", "30311:<Community event author pubkey>:<d-identifier of the community>", "<Optional relay url>", "root"],
["r", "https://example.com/my-clip.mp4"],
["title", "Streamer gets rekt by bot!"]
],
"content": "",
// other fields...
}
```
### Stream Timeout
Event `kind:1314` is a live chat moderation event that temporarily mutes a user from chatting.
Clients MUST include one or more `p` tags of the timed out users.
Clients MUST include a [NIP-40](./40.md) expiration timestamp which signals when the timeout will end.
Clients SHOULD enfore timeouts by disabling chat functions in their apps and not displaying any chat messages from the user during their timeout.
Clients SHOULD listen for timeout events published by the stream host.
Clients MAY include a reason for the timeout in the `content` field.
```jsonc
{
"kind": 1314,
"tags": [
["p", "<pubkey-of-muted-user>"],
["expiration", "1747658333"]
],
"content": "Rude",
// other fields...
}
```
## Use Cases
Common use cases include meeting rooms/workshops, watch-together activities, or event spaces, such as [zap.stream](https://zap.stream).

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@@ -150,10 +150,7 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
| `1063` | File Metadata | [94](94.md) |
| `1068` | Poll | [88](88.md) |
| `1111` | Comment | [22](22.md) |
| `1311` | Live Stream Chat Message | [53](53.md) |
| `1312` | Live Stream Raid | [53](53.md) |
| `1313` | Live Stream Clip | [53](53.md) |
| `1314` | Live Stream Timeout | [53](53.md) |
| `1311` | Live Chat Message | [53](53.md) |
| `1337` | Code Snippet | [C0](C0.md) |
| `1617` | Patches | [34](34.md) |
| `1621` | Issues | [34](34.md) |
@@ -194,7 +191,6 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
| `10013` | Private event relay list | [37](37.md) |
| `10015` | Interests list | [51](51.md) |
| `10019` | Nutzap Mint Recommendation | [61](61.md) |
| `10020` | Media follows | [51](51.md) |
| `10030` | User emoji list | [51](51.md) |
| `10050` | Relay list to receive DMs | [51](51.md), [17](17.md) |
| `10063` | User server list | [Blossom][blossom] |
@@ -254,8 +250,6 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
| `34550` | Community Definition | [72](72.md) |
| `38383` | Peer-to-peer Order events | [69](69.md) |
| `39000-9` | Group metadata events | [29](29.md) |
| `39089` | Starter packs | [51](51.md) |
| `39092` | Media starter packs | [51](51.md) |
| `39701` | Web bookmarks | [B0](B0.md) |
[NUD: Custom Feeds]: https://wikifreedia.xyz/cip-01/