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#	19.md
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39
01.md
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@ -43,20 +43,20 @@ To obtain the `event.id`, we `sha256` the serialized event. The serialization is
```
To prevent implementation differences from creating a different event ID for the same event, the following rules MUST be followed while serializing:
- No whitespace, line breaks or other unnecessary formatting should be included in the output JSON.
- No characters except the following should be escaped, and instead should be included verbatim:
- A line break, `0x0A`, as `\n`
- A double quote, `0x22`, as `\"`
- A backslash, `0x5C`, as `\\`
- A carriage return, `0x0D`, as `\r`
- A tab character, `0x09`, as `\t`
- A backspace, `0x08`, as `\b`
- A form feed, `0x0C`, as `\f`
- UTF-8 should be used for encoding.
- Whitespace, line breaks or other unnecessary formatting should not be included in the output JSON.
- The following characters in the content field must be escaped as shown, and all other characters must be included verbatim:
- A line break (`0x0A`), use `\n`
- A double quote (`0x22`), use `\"`
- A backslash (`0x5C`), use `\\`
- A carriage return (`0x0D`), use `\r`
- A tab character (`0x09`), use `\t`
- A backspace, (`0x08`), use `\b`
- A form feed, (`0x0C`), use `\f`
### Tags
Each tag is an array of strings of arbitrary size, with some conventions around them. Take a look at the example below:
Each tag is an array of one or more strings, with some conventions around them. Take a look at the example below:
```jsonc
{
@ -78,21 +78,21 @@ This NIP defines 3 standard tags that can be used across all event kinds with th
- The `e` tag, used to refer to an event: `["e", <32-bytes lowercase hex of the id of another event>, <recommended relay URL, optional>]`
- The `p` tag, used to refer to another user: `["p", <32-bytes lowercase hex of a pubkey>, <recommended relay URL, optional>]`
- The `a` tag, used to refer to a (maybe parameterized) replaceable event
- for a parameterized replaceable event: `["a", <kind integer>:<32-bytes lowercase hex of a pubkey>:<d tag value>, <recommended relay URL, optional>]`
- for a non-parameterized replaceable event: `["a", <kind integer>:<32-bytes lowercase hex of a pubkey>:, <recommended relay URL, optional>]`
- for an addressable event: `["a", <kind integer>:<32-bytes lowercase hex of a pubkey>:<d tag value>, <recommended relay URL, optional>]`
- for a normal replaceable event: `["a", <kind integer>:<32-bytes lowercase hex of a pubkey>:, <recommended relay URL, optional>]`
As a convention, all single-letter (only english alphabet letters: a-z, A-Z) key tags are expected to be indexed by relays, such that it is possible, for example, to query or subscribe to events that reference the event `"5c83da77af1dec6d7289834998ad7aafbd9e2191396d75ec3cc27f5a77226f36"` by using the `{"#e": "5c83da77af1dec6d7289834998ad7aafbd9e2191396d75ec3cc27f5a77226f36"}` filter.
As a convention, all single-letter (only english alphabet letters: a-z, A-Z) key tags are expected to be indexed by relays, such that it is possible, for example, to query or subscribe to events that reference the event `"5c83da77af1dec6d7289834998ad7aafbd9e2191396d75ec3cc27f5a77226f36"` by using the `{"#e": ["5c83da77af1dec6d7289834998ad7aafbd9e2191396d75ec3cc27f5a77226f36"]}` filter.
### Kinds
Kinds specify how clients should interpret the meaning of each event and the other fields of each event (e.g. an `"r"` tag may have a meaning in an event of kind 1 and an entirely different meaning in an event of kind 10002). Each NIP may define the meaning of a set of kinds that weren't defined elsewhere. This NIP defines two basic kinds:
- `0`: **metadata**: the `content` is set to a stringified JSON object `{name: <username>, about: <string>, picture: <url, string>}` describing the user who created the event. A relay may delete older events once it gets a new one for the same pubkey.
- `0`: **user metadata**: the `content` is set to a stringified JSON object `{name: <username>, about: <string>, picture: <url, string>}` describing the user who created the event. [Extra metadata fields](24.md#kind-0) may be set. A relay may delete older events once it gets a new one for the same pubkey.
- `1`: **text note**: the `content` is set to the **plaintext** content of a note (anything the user wants to say). Content that must be parsed, such as Markdown and HTML, should not be used. Clients should also not parse content as those.
And also a convention for kind ranges that allow for easier experimentation and flexibility of relay implementation:
- for kind `n` such that `1000 <= n < 10000`, events are **regular**, which means they're all expected to be stored by relays.
- for kind `n` such that `1000 <= n < 10000 || 4 <= n < 45 || n == 1 || n == 2`, events are **regular**, which means they're all expected to be stored by relays.
- for kind `n` such that `10000 <= n < 20000 || n == 0 || n == 3`, events are **replaceable**, which means that, for each combination of `pubkey` and `kind`, only the latest event MUST be stored by relays, older versions MAY be discarded.
- for kind `n` such that `20000 <= n < 30000`, events are **ephemeral**, which means they are not expected to be stored by relays.
- for kind `n` such that `30000 <= n < 40000`, events are **parameterized replaceable**, which means that, for each combination of `pubkey`, `kind` and the `d` tag's first value, only the latest event MUST be stored by relays, older versions MAY be discarded.
@ -125,13 +125,13 @@ Clients can send 3 types of messages, which must be JSON arrays, according to th
"authors": <a list of lowercase pubkeys, the pubkey of an event must be one of these>,
"kinds": <a list of a kind numbers>,
"#<single-letter (a-zA-Z)>": <a list of tag values, for #e — a list of event ids, for #p — a list of pubkeys, etc.>,
"since": <an integer unix timestamp in seconds, events must be newer than this to pass>,
"until": <an integer unix timestamp in seconds, events must be older than this to pass>,
"since": <an integer unix timestamp in seconds. Events must have a created_at >= to this to pass>,
"until": <an integer unix timestamp in seconds. Events must have a created_at <= to this to pass>,
"limit": <maximum number of events relays SHOULD return in the initial query>
}
```
Upon receiving a `REQ` message, the relay SHOULD query its internal database and return events that match the filter, then store that filter and send again all future events it receives to that same websocket until the websocket is closed. The `CLOSE` event is received with the same `<subscription_id>` or a new `REQ` is sent using the same `<subscription_id>`, in which case relay MUST overwrite the previous subscription.
Upon receiving a `REQ` message, the relay SHOULD return events that match the filter. Any new events it receives SHOULD be sent to that same websocket until the connection is closed, a `CLOSE` event is received with the same `<subscription_id>`, or a new `REQ` is sent using the same `<subscription_id>` (in which case a new subscription is created, replacing the old one).
Filter attributes containing lists (`ids`, `authors`, `kinds` and tag filters like `#e`) are JSON arrays with one or more values. At least one of the arrays' values must match the relevant field in an event for the condition to be considered a match. For scalar event attributes such as `authors` and `kind`, the attribute from the event must be contained in the filter list. In the case of tag attributes such as `#e`, for which an event may have multiple values, the event and filter condition values must have at least one item in common.
@ -143,7 +143,7 @@ All conditions of a filter that are specified must match for an event for it to
A `REQ` message may contain multiple filters. In this case, events that match any of the filters are to be returned, i.e., multiple filters are to be interpreted as `||` conditions.
The `limit` property of a filter is only valid for the initial query and MUST be ignored afterwards. When `limit: n` is present it is assumed that the events returned in the initial query will be the last `n` events ordered by the `created_at`. It is safe to return less events than `limit` specifies, but it is expected that relays do not return (much) more events than requested so clients don't get unnecessarily overwhelmed by data.
The `limit` property of a filter is only valid for the initial query and MUST be ignored afterwards. When `limit: n` is present it is assumed that the events returned in the initial query will be the last `n` events ordered by the `created_at`. Newer events should appear first, and in the case of ties the event with the lowest id (first in lexical order) should be first. It is safe to return less events than `limit` specifies, but it is expected that relays do not return (much) more events than requested so clients don't get unnecessarily overwhelmed by data.
### From relay to client: sending events and notices
@ -169,7 +169,6 @@ This NIP defines no rules for how `NOTICE` messages should be sent or treated.
* `["OK", "b1a649ebe8...", false, "pow: difficulty 26 is less than 30"]`
* `["OK", "b1a649ebe8...", false, "error: could not connect to the database"]`
- `CLOSED` messages MUST be sent in response to a `REQ` when the relay refuses to fulfill it. It can also be sent when a relay decides to kill a subscription on its side before a client has disconnected or sent a `CLOSE`. This message uses the same pattern of `OK` messages with the machine-readable prefix and human-readable message. Some examples:
* `["CLOSED", "sub1", "duplicate: sub1 already opened"]`
* `["CLOSED", "sub1", "unsupported: filter contains unknown elements"]`
* `["CLOSED", "sub1", "error: could not connect to the database"]`
* `["CLOSED", "sub1", "error: shutting down idle subscription"]`

8
02.md
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@ -8,11 +8,13 @@ Follow List
A special event with kind `3`, meaning "follow list" is defined as having a list of `p` tags, one for each of the followed/known profiles one is following.
Each tag entry should contain the key for the profile, a relay URL where events from that key can be found (can be set to an empty string if not needed), and a local name (or "petname") for that profile (can also be set to an empty string or not provided), i.e., `["p", <32-bytes hex key>, <main relay URL>, <petname>]`. The `content` can be anything and should be ignored.
Each tag entry should contain the key for the profile, a relay URL where events from that key can be found (can be set to an empty string if not needed), and a local name (or "petname") for that profile (can also be set to an empty string or not provided), i.e., `["p", <32-bytes hex key>, <main relay URL>, <petname>]`.
The `.content` is not used.
For example:
```json
```jsonc
{
"kind": 3,
"tags": [
@ -21,7 +23,7 @@ For example:
["p", "612ae..e610f", "ws://carolrelay.com/ws", "carol"]
],
"content": "",
...other fields
// other fields...
}
```

2
04.md
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@ -1,4 +1,4 @@
> __Warning__ `unrecommended`: deprecated in favor of [NIP-44](44.md)
> __Warning__ `unrecommended`: deprecated in favor of [NIP-17](17.md)
NIP-04
======

25
05.md
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@ -6,22 +6,22 @@ Mapping Nostr keys to DNS-based internet identifiers
`final` `optional`
On events of kind `0` (`metadata`) one can specify the key `"nip05"` with an [internet identifier](https://datatracker.ietf.org/doc/html/rfc5322#section-3.4.1) (an email-like address) as the value. Although there is a link to a very liberal "internet identifier" specification above, NIP-05 assumes the `<local-part>` part will be restricted to the characters `a-z0-9-_.`, case-insensitive.
On events of kind `0` (`user metadata`) one can specify the key `"nip05"` with an [internet identifier](https://datatracker.ietf.org/doc/html/rfc5322#section-3.4.1) (an email-like address) as the value. Although there is a link to a very liberal "internet identifier" specification above, NIP-05 assumes the `<local-part>` part will be restricted to the characters `a-z0-9-_.`, case-insensitive.
Upon seeing that, the client splits the identifier into `<local-part>` and `<domain>` and use these values to make a GET request to `https://<domain>/.well-known/nostr.json?name=<local-part>`.
The result should be a JSON document object with a key `"names"` that should then be a mapping of names to hex formatted public keys. If the public key for the given `<name>` matches the `pubkey` from the `metadata` event, the client then concludes that the given pubkey can indeed be referenced by its identifier.
The result should be a JSON document object with a key `"names"` that should then be a mapping of names to hex formatted public keys. If the public key for the given `<name>` matches the `pubkey` from the `user's metadata` event, the client then concludes that the given pubkey can indeed be referenced by its identifier.
### Example
If a client sees an event like this:
```json
```jsonc
{
"pubkey": "b0635d6a9851d3aed0cd6c495b282167acf761729078d975fc341b22650b07b9",
"kind": 0,
"content": "{\"name\": \"bob\", \"nip05\": \"bob@example.com\"}"
...
// other fields...
}
```
@ -35,7 +35,7 @@ It will make a GET request to `https://example.com/.well-known/nostr.json?name=b
}
````
or with the **optional** `"relays"` attribute:
or with the **recommended** `"relays"` attribute:
```json
{
@ -50,7 +50,7 @@ or with the **optional** `"relays"` attribute:
If the pubkey matches the one given in `"names"` (as in the example above) that means the association is right and the `"nip05"` identifier is valid and can be displayed.
The optional `"relays"` attribute may contain an object with public keys as properties and arrays of relay URLs as values. When present, that can be used to help clients learn in which relays the specific user may be found. Web servers which serve `/.well-known/nostr.json` files dynamically based on the query string SHOULD also serve the relays data for any name they serve in the same reply when that is available.
The recommended `"relays"` attribute may contain an object with public keys as properties and arrays of relay URLs as values. When present, that can be used to help clients learn in which relays the specific user may be found. Web servers which serve `/.well-known/nostr.json` files dynamically based on the query string SHOULD also serve the relays data for any name they serve in the same reply when that is available.
## Finding users from their NIP-05 identifier
@ -58,6 +58,15 @@ A client may implement support for finding users' public keys from _internet ide
## Notes
### Identification, not verification
The NIP-05 is not intended to _verify_ a user, but only to _identify_ them, for the purpose of facilitating the exchange of a contact or their search.
Exceptions are people who own (e.g., a company) or are connected (e.g., a project) to a well-known domain, who can exploit NIP-05 as an attestation of their relationship with it, and thus to the organization behind it, thereby gaining an element of trust.
### User discovery implementation suggestion
A client can use this to allow users to search other profiles. If a client has a search box or something like that, a user may be able to type "bob@example.com" there and the client would recognize that and do the proper queries to obtain a pubkey and suggest that to the user.
### Clients must always follow public keys, not NIP-05 addresses
For example, if after finding that `bob@bob.com` has the public key `abc...def`, the user clicks a button to follow that profile, the client must keep a primary reference to `abc...def`, not `bob@bob.com`. If, for any reason, the address `https://bob.com/.well-known/nostr.json?name=bob` starts returning the public key `1d2...e3f` at any time in the future, the client must not replace `abc...def` in his list of followed profiles for the user (but it should stop displaying "bob@bob.com" for that user, as that will have become an invalid `"nip05"` property).
@ -66,10 +75,6 @@ For example, if after finding that `bob@bob.com` has the public key `abc...def`,
Keys must be returned in hex format. Keys in NIP-19 `npub` format are only meant to be used for display in client UIs, not in this NIP.
### User Discovery implementation suggestion
A client can also use this to allow users to search other profiles. If a client has a search box or something like that, a user may be able to type "bob@example.com" there and the client would recognize that and do the proper queries to obtain a pubkey and suggest that to the user.
### Showing just the domain as an identifier
Clients may treat the identifier `_@domain` as the "root" identifier, and choose to display it as just the `<domain>`. For example, if Bob owns `bob.com`, he may not want an identifier like `bob@bob.com` as that is redundant. Instead, Bob can use the identifier `_@bob.com` and expect Nostr clients to show and treat that as just `bob.com` for all purposes.

4
07.md
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@ -24,6 +24,10 @@ async window.nostr.nip44.encrypt(pubkey, plaintext): string // returns ciphertex
async window.nostr.nip44.decrypt(pubkey, ciphertext): string // takes ciphertext as specified in nip-44
```
### Recommendation to Extension Authors
To make sure that the `window.nostr` is available to nostr clients on page load, the authors who create Chromium and Firefox extensions should load their scripts by specifying `"run_at": "document_end"` in the extension's manifest.
### Implementation
See https://github.com/aljazceru/awesome-nostr#nip-07-browser-extensions.

36
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@ -1,49 +1,53 @@
NIP-09
======
Event Deletion
--------------
Event Deletion Request
----------------------
`draft` `optional`
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.
A special event with kind `5`, meaning "deletion request" is defined as having a list of one or more `e` or `a` tags, each referencing an event the author is requesting to be deleted. Deletion requests SHOULD include a `k` tag for the kind of each event being requested for deletion.
Each tag entry must contain an "e" event id and/or `a` tags intended for deletion.
The event's `content` field MAY contain a text note describing the reason for the deletion.
The event's `content` field MAY contain a text note describing the reason for the deletion request.
For example:
```
```jsonc
{
"kind": 5,
"pubkey": <32-bytes hex-encoded public key of the event creator>,
"tags": [
["e", "dcd59..464a2"],
["e", "968c5..ad7a4"],
["a", "<kind>:<pubkey>:<d-identifier>"]
["a", "<kind>:<pubkey>:<d-identifier>"],
["k", "1"],
["k", "30023"]
],
"content": "these posts were published by accident",
...other fields
// other fields...
}
```
Relays SHOULD delete or stop publishing any referenced events that have an identical `pubkey` as the deletion request. Clients SHOULD hide or otherwise indicate a deletion status for referenced events.
Relays SHOULD delete or stop publishing any referenced events that have an identical `pubkey` as the deletion request. Clients SHOULD hide or otherwise indicate a deletion request status for referenced events.
Relays SHOULD continue to publish/share the deletion events indefinitely, as clients may already have the event that's intended to be deleted. Additionally, clients SHOULD broadcast deletion events to other relays which don't have it.
Relays SHOULD continue to publish/share the deletion request events indefinitely, as clients may already have the event that's intended to be deleted. Additionally, clients SHOULD broadcast deletion request events to other relays which don't have it.
When an `a` tag is used, relays SHOULD delete all versions of the replaceable event up to the `created_at` timestamp of the deletion request event.
## Client Usage
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.
Clients MAY choose to fully hide any events that are referenced by valid deletion request 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 request reason, not the original content.
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.
Clients display the deletion event itself in any way they choose, e.g., not at all, or with a prominent notice.
Clients display the deletion request event itself in any way they choose, e.g., not at all, or with a prominent notice.
Clients MAY choose to inform the user that their request for deletion does not guarantee deletion because it is impossible to delete events from all relays and clients.
## Relay Usage
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.
Relays MAY validate that a deletion request event only references events that have the same `pubkey` as the deletion request itself, however this is not required since relays may not have knowledge of all referenced events.
## Deleting a Deletion
## Deletion Request of a Deletion Request
Publishing a deletion event against a deletion has no effect. Clients and relays are not obliged to support "undelete" functionality.
Publishing a deletion request event against a deletion request has no effect. Clients and relays are not obliged to support "unrequest deletion" functionality.

10
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@ -2,8 +2,8 @@ NIP-10
======
On "e" and "p" tags in Text Events (kind 1).
--------------------------------------------
On "e" and "p" tags in Text Events (kind 1)
-------------------------------------------
`draft` `optional`
@ -38,13 +38,14 @@ They are citing from this event. `root-id` and `reply-id` are as above.
>This scheme is deprecated because it creates ambiguities that are difficult, or impossible to resolve when an event references another but is not a reply.
## Marked "e" tags (PREFERRED)
`["e", <event-id>, <relay-url>, <marker>]`
`["e", <event-id>, <relay-url>, <marker>, <pubkey>]`
Where:
* `<event-id>` is the id of the event being referenced.
* `<relay-url>` is the URL of a recommended relay associated with the reference. Clients SHOULD add a valid `<relay-URL>` field, but may instead leave it as `""`.
* `<relay-url>` is the URL of a recommended relay associated with the reference. Clients SHOULD add a valid `<relay-url>` field, but may instead leave it as `""`.
* `<marker>` is optional and if present is one of `"reply"`, `"root"`, or `"mention"`.
* `<pubkey>` is optional, SHOULD be the pubkey of the author of the referenced event
Those marked with `"reply"` denote the id of the reply event being responded to. Those marked with `"root"` denote the root id of the reply thread being responded to. For top level replies (those replying directly to the root event), only the `"root"` marker should be used. Those marked with `"mention"` denote a quoted or reposted event id.
@ -52,6 +53,7 @@ A direct reply to the root of a thread should have a single marked "e" tag of ty
>This scheme is preferred because it allows events to mention others without confusing them with `<reply-id>` or `<root-id>`.
`<pubkey>` SHOULD be the pubkey of the author of the `e` tagged event, this is used in the outbox model to search for that event from the authors write relays where relay hints did not resolve the event.
## The "p" tag
Used in a text event contains a list of pubkeys used to record who is involved in a reply thread.

34
11.md
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@ -2,7 +2,7 @@ NIP-11
======
Relay Information Document
---------------------------
--------------------------
`draft` `optional`
@ -37,7 +37,7 @@ Detailed plain-text information about the relay may be contained in the `descrip
### Pubkey
An administrative contact may be listed with a `pubkey`, in the same format as Nostr events (32-byte hex for a `secp256k1` public key). If a contact is listed, this provides clients with a recommended address to send encrypted direct messages (See `NIP-04`) to a system administrator. Expected uses of this address are to report abuse or illegal content, file bug reports, or request other technical assistance.
An administrative contact may be listed with a `pubkey`, in the same format as Nostr events (32-byte hex for a `secp256k1` public key). If a contact is listed, this provides clients with a recommended address to send encrypted direct messages (See [NIP-17](17.md)) to a system administrator. Expected uses of this address are to report abuse or illegal content, file bug reports, or request other technical assistance.
Relay operators have no obligation to respond to direct messages.
@ -66,7 +66,7 @@ These are limitations imposed by the relay on clients. Your client
should expect that requests which exceed these *practical* limitations
are rejected or fail immediately.
```json
```jsonc
{
"limitation": {
"max_message_length": 16384,
@ -83,7 +83,7 @@ are rejected or fail immediately.
"created_at_lower_limit": 31536000,
"created_at_upper_limit": 3
},
...
// other fields...
}
```
@ -146,14 +146,15 @@ Retention times are given in seconds, with `null` indicating infinity.
If zero is provided, this means the event will not be stored at
all, and preferably an error will be provided when those are received.
```json
```jsonc
{
"retention": [
{"kinds": [0, 1, [5, 7], [40, 49]], "time": 3600},
{"kinds": [[40000, 49999]], "time": 100},
{"kinds": [[30000, 39999]], "count": 1000},
{"time": 3600, "count": 10000}
]
],
// other fields...
}
```
@ -172,7 +173,7 @@ There is no need to specify retention times for _ephemeral events_ since they ar
### Content Limitations
Some relays may be governed by the arbitrary laws of a nation state. This
may limit what content can be stored in cleartext on those relays. All
may limit what content can be stored in clear-text on those relays. All
clients are encouraged to use encryption to work around this limitation.
It is not possible to describe the limitations of each country's laws
@ -183,13 +184,13 @@ countries' laws might end up being enforced on them, and then
indirectly on their users' content.
Users should be able to avoid relays in countries they don't like,
and/or select relays in more favourable zones. Exposing this
and/or select relays in more favorable zones. Exposing this
flexibility is up to the client software.
```json
```jsonc
{
"relay_countries": [ "CA", "US" ],
...
// other fields...
}
```
@ -208,12 +209,12 @@ local community. This would encourage users to follow the global
feed on that relay, in addition to their usual individual follows.
To support this goal, relays MAY specify some of the following values.
```json
```jsonc
{
"language_tags": ["en", "en-419"],
"tags": ["sfw-only", "bitcoin-only", "anime"],
"posting_policy": "https://example.com/posting-policy.html",
...
// other fields...
}
```
@ -260,10 +261,10 @@ Relays that require payments may want to expose their fee schedules.
A URL pointing to an image to be used as an icon for the relay. Recommended to be squared in shape.
```json
```jsonc
{
"icon": "https://nostr.build/i/53866b44135a27d624e99c6165cabd76ac8f72797209700acb189fce75021f47.jpg",
...
// other fields...
}
```
@ -271,9 +272,11 @@ A URL pointing to an image to be used as an icon for the relay. Recommended to b
As of 2 May 2023 the following command provided these results:
```bash
$ curl -H "Accept: application/nostr+json" https://eden.nostr.land | jq
```
~> curl -H "Accept: application/nostr+json" https://eden.nostr.land | jq
```json
{
"description": "nostr.land family of relays (us-or-01)",
"name": "nostr.land",
@ -312,3 +315,4 @@ As of 2 May 2023 the following command provided these results:
]
},
}
```

57
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View File

@ -35,7 +35,7 @@ Example mined note
"created_at": 1651794653,
"kind": 1,
"tags": [
["nonce", "776797", "21"]
["nonce", "776797", "20"]
],
"content": "It's just me mining my own business",
"sig": "284622fc0a3f4f1303455d5175f7ba962a3300d136085b9566801bc2e0699de0c7e31e44c81fb40ad9049173742e904713c3594a1da0fc5d2382a25c11aba977"
@ -48,37 +48,30 @@ Validating
Here is some reference C code for calculating the difficulty (aka number of leading zero bits) in a nostr event id:
```c
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int zero_bits(unsigned char b)
{
int n = 0;
int countLeadingZeroes(const char *hex) {
int count = 0;
if (b == 0)
return 8;
for (int i = 0; i < strlen(hex); i++) {
int nibble = (int)strtol((char[]){hex[i], '\0'}, NULL, 16);
if (nibble == 0) {
count += 4;
} else {
count += __builtin_clz(nibble) - 28;
break;
}
}
while (b >>= 1)
n++;
return count;
return 7-n;
}
int main(int argc, char *argv[]) {
if (argc != 2) {
fprintf(stderr, "Usage: %s <hex_string>\n", argv[0]);
return 1;
}
const char *hex_string = argv[1];
int result = countLeadingZeroes(hex_string);
printf("Leading zeroes in hex string %s: %d\n", hex_string, result);
return 0;
/* find the number of leading zero bits in a hash */
int count_leading_zero_bits(unsigned char *hash)
{
int bits, total, i;
for (i = 0, total = 0; i < 32; i++) {
bits = zero_bits(hash[i]);
total += bits;
if (bits != 8)
break;
}
return total;
}
```
@ -103,16 +96,6 @@ function countLeadingZeroes(hex) {
}
```
Querying relays for PoW notes
-----------------------------
If relays allow searching on prefixes, you can use this as a way to filter notes of a certain difficulty:
```
$ echo '["REQ", "subid", {"ids": ["000000000"]}]' | websocat wss://some-relay.com | jq -c '.[2]'
{"id":"000000000121637feeb68a06c8fa7abd25774bdedfa9b6ef648386fb3b70c387", ...}
```
Delegated Proof of Work
-----------------------

35
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@ -6,7 +6,7 @@ Nostr Marketplace
`draft` `optional`
Based on https://github.com/lnbits/Diagon-Alley.
Based on [Diagon-Alley](https://github.com/lnbits/Diagon-Alley).
Implemented in [NostrMarket](https://github.com/lnbits/nostrmarket) and [Plebeian Market](https://github.com/PlebeianTech/plebeian-market).
@ -73,10 +73,10 @@ Fields that are not self-explanatory:
**Event Tags**
```json
```jsonc
{
"tags": [["d", <string, id of stall]],
...
// other fields...
}
```
- the `d` tag is required, its value MUST be the same as the stall `id`.
@ -124,12 +124,12 @@ Fields that are not self-explanatory:
**Event Tags**
```json
```jsonc
"tags": [
["d", <string, id of product],
["t", <string (optional), product category],
["t", <string (optional), product category],
...
// other fields...
],
...
```
@ -139,7 +139,7 @@ Fields that are not self-explanatory:
## Checkout events
All checkout events are sent as JSON strings using ([NIP-04](https://github.com/nostr-protocol/nips/blob/master/04.md)).
All checkout events are sent as JSON strings using [NIP-04](04.md).
The `merchant` and the `customer` can exchange JSON messages that represent different actions. Each `JSON` message `MUST` have a `type` field indicating the what the JSON represents. Possible types:
@ -150,7 +150,7 @@ The `merchant` and the `customer` can exchange JSON messages that represent diff
| 2 | Merchant | Order Status Update |
### Step 1: `customer` order (event)
The below JSON goes in content of [NIP-04](https://github.com/nostr-protocol/nips/blob/master/04.md).
The below JSON goes in content of [NIP-04](04.md).
```json
{
@ -158,7 +158,7 @@ The below JSON goes in content of [NIP-04](https://github.com/nostr-protocol/nip
"type": 0,
"name": <string (optional), ???>,
"address": <string (optional), for physical goods an address should be provided>,
"message": "<string (optional), message for merchant>,
"message": <string (optional), message for merchant>,
"contact": {
"nostr": <32-bytes hex of a pubkey>,
"phone": <string (optional), if the customer wants to be contacted by phone>,
@ -182,7 +182,7 @@ _Open_: is `contact.nostr` required?
Sent back from the merchant for payment. Any payment option is valid that the merchant can check.
The below JSON goes in `content` of [NIP-04](https://github.com/nostr-protocol/nips/blob/master/04.md).
The below JSON goes in `content` of [NIP-04](04.md).
`payment_options`/`type` include:
@ -217,7 +217,7 @@ The below JSON goes in `content` of [NIP-04](https://github.com/nostr-protocol/n
Once payment has been received and processed.
The below JSON goes in `content` of [NIP-04](https://github.com/nostr-protocol/nips/blob/master/04.md).
The below JSON goes in `content` of [NIP-04](04.md).
```json
{
@ -231,13 +231,13 @@ The below JSON goes in `content` of [NIP-04](https://github.com/nostr-protocol/n
## Customize Marketplace
Create a customized user experience using the `naddr` from [NIP-19](https://github.com/nostr-protocol/nips/blob/master/19.md#shareable-identifiers-with-extra-metadata). The use of `naddr` enables easy sharing of marketplace events while incorporating a rich set of metadata. This metadata can include relays, merchant profiles, and more. Subsequently, it allows merchants to be grouped into a market, empowering the market creator to configure the marketplace's user interface and user experience, and share that marketplace. This customization can encompass elements such as market name, description, logo, banner, themes, and even color schemes, offering a tailored and unique marketplace experience.
Create a customized user experience using the `naddr` from [NIP-19](19.md#shareable-identifiers-with-extra-metadata). The use of `naddr` enables easy sharing of marketplace events while incorporating a rich set of metadata. This metadata can include relays, merchant profiles, and more. Subsequently, it allows merchants to be grouped into a market, empowering the market creator to configure the marketplace's user interface and user experience, and share that marketplace. This customization can encompass elements such as market name, description, logo, banner, themes, and even color schemes, offering a tailored and unique marketplace experience.
### Event `30019`: Create or update marketplace UI/UX
**Event Content**
```json
```jsonc
{
"name": <string (optional), market name>,
"about": <string (optional), market description>,
@ -248,7 +248,7 @@ Create a customized user experience using the `naddr` from [NIP-19](https://gith
"darkMode": <bool, true/false>
},
"merchants": [array of pubkeys (optional)],
...
// other fields...
}
```
@ -290,17 +290,18 @@ This event leverages naddr to enable comprehensive customization and sharing of
### Event `1021`: Bid
```json
```jsonc
{
"content": <int, amount of sats>,
"tags": [["e", <event ID of the auction to bid on>]],
// other fields...
}
```
Bids are simply events of kind `1021` with a `content` field specifying the amount, in the currency of the auction. Bids must reference an auction.
> [!NOTE]
> Auctions can be edited as many times as desired (they are "parameterized replaceable events") by the author - even after the start_date, but they cannot be edited after they have received the first bid! This is enforced by the fact that bids reference the event ID of the auction (rather than the product UUID), which changes with every new version of the auctioned product. So a bid is always attached to one "version". Editing the auction after a bid would result in the new product losing the bid!
> Auctions can be edited as many times as desired (they are "addressable events") by the author - even after the start_date, but they cannot be edited after they have received the first bid! This is enforced by the fact that bids reference the event ID of the auction (rather than the product UUID), which changes with every new version of the auctioned product. So a bid is always attached to one "version". Editing the auction after a bid would result in the new product losing the bid!
### Event `1022`: Bid confirmation
@ -331,8 +332,8 @@ Another thing that can happen is - if bids happen very close to the end date of
## Customer support events
Customer support is handled over whatever communication method was specified. If communicating via nostr, NIP-04 is used https://github.com/nostr-protocol/nips/blob/master/04.md.
Customer support is handled over whatever communication method was specified. If communicating via nostr, [NIP-04](04.md) is used.
## Additional
Standard data models can be found <a href="https://raw.githubusercontent.com/lnbits/nostrmarket/main/models.py">here</a>
Standard data models can be found [here](https://raw.githubusercontent.com/lnbits/nostrmarket/main/models.py)

164
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@ -0,0 +1,164 @@
NIP-17
======
Private Direct Messages
-----------------------
`draft` `optional`
This NIP defines an encrypted direct messaging scheme using [NIP-44](44.md) encryption and [NIP-59](59.md) seals and gift wraps.
## Direct Message Kind
Kind `14` is a chat message. `p` tags identify one or more receivers of the message.
```jsonc
{
"id": "<usual hash>",
  "pubkey": "<sender-pubkey>",
"created_at": "<current-time>",
  "kind": 14,
  "tags": [
    ["p", "<receiver-1-pubkey>", "<relay-url>"],
    ["p", "<receiver-2-pubkey>", "<relay-url>"],
    ["e", "<kind-14-id>", "<relay-url>", "reply"] // if this is a reply
["subject", "<conversation-title>"],
    // rest of tags...
  ],
  "content": "<message-in-plain-text>",
}
```
`.content` MUST be plain text. Fields `id` and `created_at` are required.
Tags that mention, quote and assemble threading structures MUST follow [NIP-10](10.md).
Kind `14`s MUST never be signed. If it is signed, the message might leak to relays and become **fully public**.
## Chat Rooms
The set of `pubkey` + `p` tags defines a chat room. If a new `p` tag is added or a current one is removed, a new room is created with clean message history.
Clients SHOULD render messages of the same room in a continuous thread.
An optional `subject` tag defines the current name/topic of the conversation. Any member can change the topic by simply submitting a new `subject` to an existing `pubkey` + `p`-tags room. There is no need to send `subject` in every message. The newest `subject` in the thread is the subject of the conversation.
## Encrypting
Following [NIP-59](59.md), the **unsigned** `kind:14` chat message must be sealed (`kind:13`) and then gift-wrapped (`kind:1059`) to each receiver and the sender individually.
```js
{
"id": "<usual hash>",
  "pubkey": randomPublicKey,
  "created_at": randomTimeUpTo2DaysInThePast(),
"kind": 1059, // gift wrap
  "tags": [
    ["p", receiverPublicKey, "<relay-url>"] // receiver
  ],
  "content": nip44Encrypt(
    {
"id": "<usual hash>",
      "pubkey": senderPublicKey,
      "created_at": randomTimeUpTo2DaysInThePast(),
      "kind": 13, // seal
      "tags": [], // no tags
      "content": nip44Encrypt(unsignedKind14, senderPrivateKey, receiverPublicKey),
      "sig": "<signed by senderPrivateKey>"
    },
    randomPrivateKey, receiverPublicKey
  ),
  "sig": "<signed by randomPrivateKey>"
}
```
The encryption algorithm MUST use the latest version of [NIP-44](44.md).
Clients MUST verify if pubkey of the `kind:13` is the same pubkey on the `kind:14`, otherwise any sender can impersonate others by simply changing the pubkey on `kind:14`.
Clients SHOULD randomize `created_at` in up to two days in the past in both the seal and the gift wrap to make sure grouping by `created_at` doesn't reveal any metadata.
The gift wrap's `p`-tag can be the receiver's main pubkey or an alias key created to receive DMs without exposing the receiver's identity.
Clients CAN offer disappearing messages by setting an `expiration` tag in the gift wrap of each receiver or by not generating a gift wrap to the sender's public key
## Publishing
Kind `10050` indicates the user's preferred relays to receive DMs. The event MUST include a list of `relay` tags with relay URIs.
```jsonc
{
"kind": 10050,
"tags": [
["relay", "wss://inbox.nostr.wine"],
["relay", "wss://myrelay.nostr1.com"],
],
"content": "",
// other fields...
}
```
Clients SHOULD publish kind `14` events to the `10050`-listed relays. If that is not found that indicates the user is not ready to receive messages under this NIP and clients shouldn't try.
## Relays
It's advisable that relays do not serve `kind:1059` to clients other than the ones tagged in them.
It's advisable that users choose relays that conform to these practices.
Clients SHOULD guide users to keep `kind:10050` lists small (1-3 relays) and SHOULD spread it to as many relays as viable.
## Benefits & Limitations
This NIP offers the following privacy and security features:
1. **No Metadata Leak**: Participant identities, each message's real date and time, event kinds, and other event tags are all hidden from the public. Senders and receivers cannot be linked with public information alone.
2. **No Public Group Identifiers**: There is no public central queue, channel or otherwise converging identifier to correlate or count all messages in the same group.
3. **No Moderation**: There are no group admins: no invitations or bans.
4. **No Shared Secrets**: No secret must be known to all members that can leak or be mistakenly shared
5. **Fully Recoverable**: Messages can be fully recoverable by any client with the user's private key
6. **Optional Forward Secrecy**: Users and clients can opt-in for "disappearing messages".
7. **Uses Public Relays**: Messages can flow through public relays without loss of privacy. Private relays can increase privacy further, but they are not required.
8. **Cold Storage**: Users can unilaterally opt-in to sharing their messages with a separate key that is exclusive for DM backup and recovery.
The main limitation of this approach is having to send a separate encrypted event to each receiver. Group chats with more than 100 participants should find a more suitable messaging scheme.
## Implementation
Clients implementing this NIP should by default only connect to the set of relays found in their `kind:10050` list. From that they should be able to load all messages both sent and received as well as get new live updates, making it for a very simple and lightweight implementation that should be fast.
When sending a message to anyone, clients must then connect to the relays in the receiver's `kind:10050` and send the events there, but can disconnect right after unless more messages are expected to be sent (e.g. the chat tab is still selected). Clients should also send a copy of their outgoing messages to their own `kind:10050` relay set.
## Examples
This example sends the message `Hola, que tal?` from `nsec1w8udu59ydjvedgs3yv5qccshcj8k05fh3l60k9x57asjrqdpa00qkmr89m` to `nsec12ywtkplvyq5t6twdqwwygavp5lm4fhuang89c943nf2z92eez43szvn4dt`.
The two final GiftWraps, one to the receiver and the other to the sender, are:
```json
{
"id":"2886780f7349afc1344047524540ee716f7bdc1b64191699855662330bf235d8",
"pubkey":"8f8a7ec43b77d25799281207e1a47f7a654755055788f7482653f9c9661c6d51",
"created_at":1703128320,
"kind":1059,
"tags":[
[ "p", "918e2da906df4ccd12c8ac672d8335add131a4cf9d27ce42b3bb3625755f0788"]
],
"content":"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",
"sig":"a3c6ce632b145c0869423c1afaff4a6d764a9b64dedaf15f170b944ead67227518a72e455567ca1c2a0d187832cecbde7ed478395ec4c95dd3e71749ed66c480"
}
```
```json
{
"id":"162b0611a1911cfcb30f8a5502792b346e535a45658b3a31ae5c178465509721",
"pubkey":"626be2af274b29ea4816ad672ee452b7cf96bbb4836815a55699ae402183f512",
"created_at":1702711587,
"kind":1059,
"tags":[
[ "p", "44900586091b284416a0c001f677f9c49f7639a55c3f1e2ec130a8e1a7998e1b"]
],
"content":"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",
"sig":"c94e74533b482aa8eeeb54ae72a5303e0b21f62909ca43c8ef06b0357412d6f8a92f96e1a205102753777fd25321a58fba3fb384eee114bd53ce6c06a1c22bab"
}
```

7
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@ -20,9 +20,10 @@ reposted.
## Quote Reposts
Quote reposts are `kind 1` events with an embedded `e` tag
(see [NIP-08](08.md) and [NIP-27](27.md)). Because a quote repost includes
an `e` tag, it may show up along replies to the reposted note.
Quote reposts are `kind 1` events with an embedded `q` tag of the note being
quote reposted. The `q` tag ensures quote reposts are not pulled and included
as replies in threads. It also allows you to easily pull and count all of the
quotes for a post.
## Generic Reposts

5
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@ -35,8 +35,8 @@ These are the possible bech32 prefixes with `TLV`:
- `nprofile`: a nostr profile
- `nevent`: a nostr event id
- `nrelay`: a nostr relay
- `naddr`: a nostr _replaceable event_ coordinate
- `nrelay`: a nostr relay (deprecated)
These possible standardized `TLV` types are indicated here:
@ -44,8 +44,7 @@ These possible standardized `TLV` types are indicated here:
- depends on the bech32 prefix:
- for `nprofile` it will be the 32 bytes of the profile public key
- for `nevent` it will be the 32 bytes of the event id
- for `nrelay`, this is the relay URL
- for `naddr`, it is the identifier (the `"d"` tag) of the event being referenced. For non-parameterized replaceable events, use an empty string.
- for `naddr`, it is the identifier (the `"d"` tag) of the event being referenced. For normal replaceable events use an empty string.
- `1`: `relay`
- for `nprofile`, `nevent` and `naddr`, _optionally_, a relay in which the entity (profile or event) is more likely to be found, encoded as ascii
- this may be included multiple times

2
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@ -10,7 +10,7 @@ This NIP standardizes the usage of a common URI scheme for maximum interoperabil
The scheme is `nostr:`.
The identifiers that come after are expected to be the same as those defined in [NIP-19](https://github.com/nostr-protocol/nips/blob/master/19.md) (except `nsec`).
The identifiers that come after are expected to be the same as those defined in [NIP-19](19.md) (except `nsec`).
## Examples

2
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@ -6,7 +6,7 @@ Long-form Content
`draft` `optional`
This NIP defines `kind:30023` (a _parameterized replaceable event_) for long-form text content, generally referred to as "articles" or "blog posts". `kind:30024` has the same structure as `kind:30023` and is used to save long form drafts.
This NIP defines `kind:30023` (an _addressable event_) for long-form text content, generally referred to as "articles" or "blog posts". `kind:30024` has the same structure as `kind:30023` and is used to save long form drafts.
"Social" clients that deal primarily with `kind:1` notes should not be expected to implement this NIP.

9
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@ -16,6 +16,7 @@ These are extra fields not specified in NIP-01 that may be present in the string
- `display_name`: an alternative, bigger name with richer characters than `name`. `name` should always be set regardless of the presence of `display_name` in the metadata.
- `website`: a web URL related in any way to the event author.
- `banner`: an URL to a wide (~1024x768) picture to be optionally displayed in the background of a profile screen.
- `bot`: a boolean to clarify that the content is entirely or partially the result of automation, such as with chatbots or newsfeeds.
### Deprecated fields
@ -27,7 +28,7 @@ These are fields that should be ignored or removed when found in the wild:
kind 3
======
These are extra fields not specified in NIP-02 that may be present in the stringified JSON of contacts events:
These are extra fields not specified in NIP-02 that may be present in the stringified JSON of follow events:
### Deprecated fields
@ -38,5 +39,7 @@ tags
These tags may be present in multiple event kinds. Whenever a different meaning is not specified by some more specific NIP, they have the following meanings:
- `r`: a web URL the event is referring to in some way
- `title`: title of the event
- `r`: a web URL the event is referring to in some way.
- `i`: an external id the event is referring to in some way - see [NIP-73](73.md).
- `title`: name of [NIP-51](51.md) sets, [NIP-52](52.md) calendar event, [NIP-53](53.md) live event or [NIP-99](99.md) listing.
- `t`: a hashtag. The value MUST be a lowercase string.

41
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@ -25,24 +25,22 @@ consider it a "+".
Tags
----
The reaction event SHOULD include `e` and `p` tags from the note the user is
reacting to. This allows users to be notified of reactions to posts they were
mentioned in. Including the `e` tags enables clients to pull all the reactions
associated with individual posts or all the posts in a thread.
The reaction event SHOULD include `e` and `p` tags from the note the user is reacting to (and optionally `a` tags if the target is a replaceable event). This allows users to be notified of reactions to posts they were mentioned in. Including the `e` tags enables clients to pull all the reactions associated with individual posts or all the posts in a thread. `a` tags enables clients to seek reactions for all versions of a replaceable event.
The last `e` tag MUST be the `id` of the note that is being reacted to.
The last `e` tag MUST be the `id` of the note that is being reacted to.
The last `p` tag MUST be the `pubkey` of the event being reacted to.
The reaction event MAY include a `k` tag with the stringified kind number
of the reacted event as its value.
The `a` tag MUST contain the coordinates (`kind:pubkey:d-tag`) of the replaceable being reacted to.
The reaction event MAY include a `k` tag with the stringified kind number of the reacted event as its value.
Example code
```swift
func make_like_event(pubkey: String, privkey: String, liked: NostrEvent) -> NostrEvent {
var tags: [[String]] = liked.tags.filter {
tag in tag.count >= 2 && (tag[0] == "e" || tag[0] == "p")
var tags: [[String]] = liked.tags.filter {
tag in tag.count >= 2 && (tag[0] == "e" || tag[0] == "p")
}
tags.append(["e", liked.id])
tags.append(["p", liked.pubkey])
@ -54,6 +52,26 @@ func make_like_event(pubkey: String, privkey: String, liked: NostrEvent) -> Nost
}
```
Reactions to a website
---------------------
If the target of the reaction is a website, the reaction MUST be a `kind 17` event and MUST include an `r` tag with the website's URL.
```jsonc
{
"kind": 17,
"content": "⭐",
"tags": [
["r", "https://example.com/"]
],
// other fields...
}
```
URLs SHOULD be [normalized](https://datatracker.ietf.org/doc/html/rfc3986#section-6), so that reactions to the same website are not omitted from queries.
A fragment MAY be attached to the URL, to react to a section of the page.
It should be noted that a URL with a fragment is not considered to be the same URL as the original.
Custom Emoji Reaction
---------------------
@ -61,15 +79,14 @@ The client may specify a custom emoji ([NIP-30](30.md)) `:shortcode:` in the
reaction content. The client should refer to the emoji tag and render the
content as an emoji if shortcode is specified.
```json
```jsonc
{
"kind": 7,
"content": ":soapbox:",
"tags": [
["emoji", "soapbox", "https://gleasonator.com/emoji/Gleasonator/soapbox.png"]
],
"pubkey": "79c2cae114ea28a981e7559b4fe7854a473521a8d22a66bbab9fa248eb820ff6",
"created_at": 1682790000
// other fields...
}
```

2
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@ -2,7 +2,7 @@ NIP-26
=======
Delegated Event Signing
-----
-----------------------
`draft` `optional`

2
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@ -20,7 +20,7 @@ A reader client that receives an event with such `nostr:...` mentions in its `.c
Suppose Bob is writing a note in a client that has search-and-autocomplete functionality for users that is triggered when they write the character `@`.
As Bob types `"hello @mat"` the client will prompt him to autocomplete with [mattn's profile](https://gateway.nostr.com/p/2c7cc62a697ea3a7826521f3fd34f0cb273693cbe5e9310f35449f43622a5cdc), showing a picture and name.
As Bob types `"hello @mat"` the client will prompt him to autocomplete with [mattn's profile](https://njump.me/npub1937vv2nf06360qn9y8el6d8sevnndy7tuh5nzre4gj05xc32tnwqauhaj6), showing a picture and name.
Bob presses "enter" and now he sees his typed note as `"hello @mattn"`, `@mattn` is highlighted, indicating that it is a mention. Internally, however, the event looks like this:

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@ -23,12 +23,12 @@ Client-centric moderation gives client developers discretion over what types of
Create a public chat channel.
In the channel creation `content` field, Client SHOULD include basic channel metadata (`name`, `about`, `picture` as specified in kind 41).
In the channel creation `content` field, Client SHOULD include basic channel metadata (`name`, `about`, `picture` and `relays` as specified in kind 41).
```json
```jsonc
{
"content": "{\"name\": \"Demo Channel\", \"about\": \"A test channel.\", \"picture\": \"https://placekitten.com/200/200\"}",
...
"content": "{\"name\": \"Demo Channel\", \"about\": \"A test channel.\", \"picture\": \"https://placekitten.com/200/200\", \"relays\": [\"wss://nos.lol\", \"wss://nostr.mom\"]}",
// other fields...
}
```
@ -37,7 +37,7 @@ In the channel creation `content` field, Client SHOULD include basic channel met
Update a channel's public metadata.
Clients and relays SHOULD handle kind 41 events similar to kind 33 replaceable events, where the information is used to update the metadata, without modifying the event id for the channel.Only the most recent kind 41 is needed to be stored.
Kind 41 is used to update the metadata without modifying the event id for the channel. Only the most recent kind 41 per `e` tag value MAY be available.
Clients SHOULD ignore kind 41s from pubkeys other than the kind 40 pubkey.
@ -46,16 +46,17 @@ Clients SHOULD support basic metadata fields:
- `name` - string - Channel name
- `about` - string - Channel description
- `picture` - string - URL of channel picture
- `relays` - array - List of relays to download and broadcast events to
Clients MAY add additional metadata fields.
Clients SHOULD use [NIP-10](10.md) marked "e" tags to recommend a relay.
```json
```jsonc
{
"content": "{\"name\": \"Updated Demo Channel\", \"about\": \"Updating a test channel.\", \"picture\": \"https://placekitten.com/201/201\"}",
"content": "{\"name\": \"Updated Demo Channel\", \"about\": \"Updating a test channel.\", \"picture\": \"https://placekitten.com/201/201\", \"relays\": [\"wss://nos.lol\", \"wss://nostr.mom\"]}",
"tags": [["e", <channel_create_event_id>, <relay-url>]],
...
// other fields...
}
```
@ -70,26 +71,26 @@ Clients SHOULD append [NIP-10](10.md) "p" tags to replies.
Root message:
```json
```jsonc
{
"content": <string>,
"tags": [["e", <kind_40_event_id>, <relay-url>, "root"]],
...
// other fields...
}
```
Reply to another message:
```json
```jsonc
{
"content": <string>,
"tags": [
["e", <kind_40_event_id>, <relay-url>, "root"],
["e", <kind_42_event_id>, <relay-url>, "reply"],
["p", <pubkey>, <relay-url>],
...
// rest of tags...
],
...
// other fields...
}
```
@ -106,11 +107,11 @@ Clients MAY hide event 42s for other users other than the user who sent the even
(For example, if three users 'hide' an event giving a reason that includes the word 'pornography', a Nostr client that is an iOS app may choose to hide that message for all iOS clients.)
```json
```jsonc
{
"content": "{\"reason\": \"Dick pic\"}",
"tags": [["e", <kind_42_event_id>]],
...
// other fields...
}
```
@ -124,20 +125,19 @@ Clients SHOULD hide event 42s shown to a given user, if there is an event 44 fro
Clients MAY hide event 42s for users other than the user who sent the event 44.
```json
```jsonc
{
"content": "{\"reason\": \"Posting dick pics\"}",
"tags": [["p", <pubkey>]],
...
// other fields...
}
```
## NIP-10 relay recommendations
## Relay recommendations
For [NIP-10](10.md) relay recommendations, clients generally SHOULD use the relay URL of the original (oldest) kind 40 event.
Clients MAY recommend any relay URL. For example, if a relay hosting the original kind 40 event for a channel goes offline, clients could instead fetch channel data from a backup relay, or a relay that clients trust more than the original relay.
Clients SHOULD use the relay URLs of the metadata events.
Clients MAY use any relay URL. For example, if a relay hosting the original kind 40 event for a channel goes offline, clients could instead fetch channel data from a backup relay, or a relay that clients trust more than the original relay.
Motivation
----------

214
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@ -0,0 +1,214 @@
NIP-29
======
Relay-based Groups
------------------
`draft` `optional`
This NIP defines a standard for groups that are only writable by a closed set of users. They can be public for reading by external users or not.
Groups are identified by a random string of any length that serves as an _id_.
There is no way to create a group, what happens is just that relays (most likely when asked by users) will create rules around some specific ids so these ids can serve as an actual group, henceforth messages sent to that group will be subject to these rules.
Normally a group will originally belong to one specific relay, but the community may choose to move the group to other relays or even fork the group so it exists in different forms -- still using the same _id_ -- across different relays.
## Relay-generated events
Relays are supposed to generate the events that describe group metadata and group admins. These are _addressable_ events signed by the relay keypair directly, with the group _id_ as the `d` tag.
## Group identifier
A group may be identified by a string in the format `<host>'<group-id>`. For example, a group with _id_ `abcdef` hosted at the relay `wss://groups.nostr.com` would be identified by the string `groups.nostr.com'abcdef`.
## The `h` tag
Events sent by users to groups (chat messages, text notes, moderation events etc) must have an `h` tag with the value set to the group _id_.
## Timeline references
In order to not be used out of context, events sent to these groups may contain references to previous events seen from the same relay in the `previous` tag. The choice of which previous events to pick belongs to the clients. The references are to be made using the first 8 characters (4 bytes) of any event in the last 50 events seen by the user in the relay, excluding events by themselves. There can be any number of references (including zero), but it's recommended that clients include at least 3 and that relays enforce this.
This is a hack to prevent messages from being broadcasted to external relays that have forks of one group out of context. Relays are expected to reject any events that contain timeline references to events not found in their own database. Clients should also check these to keep relays honest about them.
## Late publication
Relays should prevent late publication (messages published now with a timestamp from days or even hours ago) unless they are open to receive a group forked or moved from another relay.
## Event definitions
- *text root note* (`kind:11`)
This is the basic unit of a "microblog" root text note sent to a group.
```jsonc
"kind": 11,
"content": "hello my friends lovers of pizza",
"tags": [
["h", "<group-id>"],
["previous", "<event-id-first-chars>", "<event-id-first-chars>", /*...*/]
]
// other fields...
```
- *threaded text reply* (`kind:12`)
This is the basic unit of a "microblog" reply note sent to a group. It's the same as `kind:11`, except for the fact that it must be used whenever it's in reply to some other note (either in reply to a `kind:11` or a `kind:12`). `kind:12` events SHOULD use NIP-10 markers, leaving an empty relay url:
* `["e", "<kind-11-root-id>", "", "root"]`
* `["e", "<kind-12-event-id>", "", "reply"]`
- *chat message* (`kind:9`)
This is the basic unit of a _chat message_ sent to a group.
```jsonc
"kind": 9,
"content": "hello my friends lovers of pizza",
"tags": [
["h", "<group-id>"],
["previous", "<event-id-first-chars>", "<event-id-first-chars>", /*...*/]
]
// other fields...
```
- *chat message threaded reply* (`kind:10`)
Similar to `kind:12`, this is the basic unit of a chat message sent to a group. This is intended for in-chat threads that may be hidden by default. Not all in-chat replies MUST use `kind:10`, only when the intention is to create a hidden thread that isn't part of the normal flow of the chat (although clients are free to display those by default too).
`kind:10` SHOULD use NIP-10 markers, just like `kind:12`.
- *join request* (`kind:9021`)
Any user can send one of these events to the relay in order to be automatically or manually added to the group. If the group is `open` the relay will automatically issue a `kind:9000` in response adding this user. Otherwise group admins may choose to query for these requests and act upon them.
```json
{
"kind": 9021,
"content": "optional reason",
"tags": [
["h", "<group-id>"]
]
}
```
- *leave request* (`kind:9022`)
Any user can send one of these events to the relay in order to be automatically removed from the group. The relay will automatically issue a `kind:9001` in response removing this user.
```json
{
"kind": 9022,
"content": "optional reason",
"tags": [
["h", "<group-id>"]
]
}
```
- *moderation events* (`kinds:9000-9020`) (optional)
Clients can send these events to a relay in order to accomplish a moderation action. Relays must check if the pubkey sending the event is capable of performing the given action. The relay may discard the event after taking action or keep it as a moderation log.
```json
{
"kind": 90xx,
"content": "optional reason",
"tags": [
["h", "<group-id>"],
["previous", /*...*/]
]
}
```
Each moderation action uses a different kind and requires different arguments, which are given as tags. These are defined in the following table:
| kind | name | tags |
| --- | --- | --- |
| 9000 | `add-user` | `p` (pubkey hex) |
| 9001 | `remove-user` | `p` (pubkey hex) |
| 9002 | `edit-metadata` | `name`, `about`, `picture` (string) |
| 9003 | `add-permission` | `p` (pubkey), `permission` (name) |
| 9004 | `remove-permission` | `p` (pubkey), `permission` (name) |
| 9005 | `delete-event` | `e` (id hex) |
| 9006 | `edit-group-status` | `public` or `private`, `open` or `closed` |
| 9007 | `create-group` | |
| 9008 | `delete-group` | |
- *group metadata* (`kind:39000`) (optional)
This event defines the metadata for the group -- basically how clients should display it. It must be generated and signed by the relay in which is found. Relays shouldn't accept these events if they're signed by anyone else.
If the group is forked and hosted in multiple relays, there will be multiple versions of this event in each different relay and so on.
```jsonc
{
"kind": 39000,
"content": "",
"tags": [
["d", "<group-id>"],
["name", "Pizza Lovers"],
["picture", "https://pizza.com/pizza.png"],
["about", "a group for people who love pizza"],
["public"], // or ["private"]
["open"] // or ["closed"]
]
// other fields...
}
```
`name`, `picture` and `about` are basic metadata for the group for display purposes. `public` signals the group can be _read_ by anyone, while `private` signals that only AUTHed users can read. `open` signals that anyone can request to join and the request will be automatically granted, while `closed` signals that members must be pre-approved or that requests to join will be manually handled.
- *group admins* (`kind:39001`) (optional)
Similar to the group metadata, this event is supposed to be generated by relays that host the group.
Each admin gets a label that is only used for display purposes, and a list of permissions it has are listed afterwards. These permissions can inform client building UI, but ultimately are evaluated by the relay in order to become effective.
The list of capabilities, as defined by this NIP, for now, is the following:
- `add-user`
- `edit-metadata`
- `delete-event`
- `remove-user`
- `add-permission`
- `remove-permission`
- `edit-group-status`
- `delete-group`
```json
{
"kind": 39001,
"content": "list of admins for the pizza lovers group",
"tags": [
["d", "<group-id>"],
["p", "<pubkey1-as-hex>", "ceo", "add-user", "edit-metadata", "delete-event", "remove-user"],
["p", "<pubkey2-as-hex>", "secretary", "add-user", "delete-event"]
]
// other fields...
}
```
- *group members* (`kind:39002`) (optional)
Similar to *group admins*, this event is supposed to be generated by relays that host the group.
It's a NIP-51-like list of pubkeys that are members of the group. Relays might choose to not to publish this information or to restrict what pubkeys can fetch it.
```json
{
"kind": 39002,
"content": "list of members for the pizza lovers group",
"tags": [
["d", "<group-id>"],
["p", "<admin1>"],
["p", "<member-pubkey1>"],
["p", "<member-pubkey2>"],
]
}
```
## Storing the list of groups a user belongs to
A definition for kind `10009` was included in [NIP-51](51.md) that allows clients to store the list of groups a user wants to remember being in.

16
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@ -54,3 +54,19 @@ In kind 1 events, the `content` should be emojified.
"created_at": 1682630000
}
```
### Kind 7 events
In kind 7 events, the `content` should be emojified.
```json
{
"kind": 7,
"content": ":dezh:",
"tags": [
["emoji", "dezh", "https://raw.githubusercontent.com/dezh-tech/brand-assets/main/dezh/logo/black-normal.svg"]
],
"pubkey": "79c2cae114ea28a981e7559b4fe7854a473521a8d22a66bbab9fa248eb820ff6",
"created_at": 1682630000
}
```

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@ -2,14 +2,13 @@ NIP-32
======
Labeling
---------
--------
`draft` `optional`
A label is a `kind 1985` event that is used to label other entities. This supports a number of use cases,
including distributed moderation, collection management, license assignment, and content classification.
This NIP defines two new indexable tags to label events and a new event kind (`kind:1985`) to attach those labels to existing events. This supports several use cases, including distributed moderation, collection management, license assignment, and content classification.
This NIP introduces two new tags:
New Tags:
- `L` denotes a label namespace
- `l` denotes a label
@ -20,7 +19,7 @@ Label Namespace Tag
An `L` tag can be any string, but publishers SHOULD ensure they are unambiguous by using a well-defined namespace
(such as an ISO standard) or reverse domain name notation.
`L` tags are REQUIRED in order to support searching by namespace rather than by a specific tag. The special `ugc`
`L` tags are RECOMMENDED in order to support searching by namespace rather than by a specific tag. The special `ugc`
("user generated content") namespace MAY be used when the label content is provided by an end user.
`L` tags starting with `#` indicate that the label target should be associated with the label's value.
@ -29,7 +28,9 @@ This is a way of attaching standard nostr tags to events, pubkeys, relays, urls,
Label Tag
----
An `l` tag's value can be any string. `l` tags MUST include a `mark` matching an `L` tag value in the same event.
An `l` tag's value can be any string. If using an `L` tag, `l` tags MUST include a mark matching an `L`
tag value in the same event. If no `L` tag is included, a mark SHOULD still be included. If none is
included, `ugc` is implied.
Label Target
----
@ -42,7 +43,7 @@ or topics respectively. As with NIP-01, a relay hint SHOULD be included when usi
Content
-------
Labels should be short, meaningful strings. Longer discussions, such as for a review, or an
Labels should be short, meaningful strings. Longer discussions, such as for an
explanation of why something was labeled the way it was, should go in the event's `content` field.
Self-Reporting
@ -56,7 +57,7 @@ Example events
A suggestion that multiple pubkeys be associated with the `permies` topic.
```json
```jsonc
{
"kind": 1985,
"tags": [
@ -65,13 +66,13 @@ A suggestion that multiple pubkeys be associated with the `permies` topic.
["p", <pubkey1>, <relay_url>],
["p", <pubkey2>, <relay_url>]
],
...
// other fields...
}
```
A report flagging violence toward a human being as defined by ontology.example.com.
```json
```jsonc
{
"kind": 1985,
"tags": [
@ -80,13 +81,13 @@ A report flagging violence toward a human being as defined by ontology.example.c
["p", <pubkey1>, <relay_url>],
["p", <pubkey2>, <relay_url>]
],
...
// other fields...
}
```
A moderation suggestion for a chat event.
```json
```jsonc
{
"kind": 1985,
"tags": [
@ -94,13 +95,13 @@ A moderation suggestion for a chat event.
["l", "approve", "nip28.moderation"],
["e", <kind40_event_id>, <relay_url>]
],
...
// other fields...
}
```
Assignment of a license to an event.
```json
```jsonc
{
"kind": 1985,
"tags": [
@ -108,14 +109,14 @@ Assignment of a license to an event.
["l", "MIT", "license"],
["e", <event_id>, <relay_url>]
],
...
// other fields...
}
```
Publishers can self-label by adding `l` tags to their own non-1985 events. In this case, the kind 1 event's author
is labeling their note as being related to Milan, Italy using ISO 3166-2.
```json
```jsonc
{
"kind": 1,
"tags": [
@ -123,14 +124,28 @@ is labeling their note as being related to Milan, Italy using ISO 3166-2.
["l", "IT-MI", "ISO-3166-2"]
],
"content": "It's beautiful here in Milan!",
...
// other fields...
}
```
Author is labeling their note language as English using ISO-639-1.
```jsonc
{
"kind": 1,
"tags": [
["L", "ISO-639-1"],
["l", "en", "ISO-639-1"]
],
"content": "English text",
// other fields...
}
```
Other Notes
-----------
When using this NIP to bulk-label many targets at once, events may be deleted and a replacement
When using this NIP to bulk-label many targets at once, events may be requested for deletion using [NIP-09](09.md) and a replacement
may be published. We have opted not to use parameterizable/replaceable events for this due to the
complexity in coming up with a standard `d` tag. In order to avoid ambiguity when querying,
publishers SHOULD limit labeling events to a single namespace.
@ -151,3 +166,11 @@ A good heuristic for whether a use case fits this NIP is whether labels would ev
For example, many events might be labeled with a particular place, topic, or pubkey, but labels
with specific values like "John Doe" or "3.18743" are not labels, they are values, and should
be handled in some other way.
Appendix: Known Ontologies
--------------------------
Below is a non-exhaustive list of ontologies currently in widespread use.
- [social.ontolo.categories](https://ontolo.social/)

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@ -6,4 +6,4 @@ Parameterized Replaceable Events
`final` `mandatory`
Moved to [NIP-01](01.md).
Renamed to "Addressable events" and moved to [NIP-01](01.md).

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@ -0,0 +1,188 @@
NIP-34
======
`git` stuff
-----------
`draft` `optional`
This NIP defines all the ways code collaboration using and adjacent to [`git`](https://git-scm.com/) can be done using Nostr.
## Repository announcements
Git repositories are hosted in Git-enabled servers, but their existence can be announced using Nostr events, as well as their willingness to receive patches, bug reports and comments in general.
```jsonc
{
"kind": 30617,
"content": "",
"tags": [
["d", "<repo-id>"], // usually kebab-case short name
["name", "<human-readable project name>"],
["description", "brief human-readable project description>"],
["web", "<url for browsing>", ...], // a webpage url, if the git server being used provides such a thing
["clone", "<url for git-cloning>", ...], // a url to be given to `git clone` so anyone can clone it
["relays", "<relay-url>", ...] // relays that this repository will monitor for patches and issues
["r", "<earliest-unique-commit-id>", "euc"]
["maintainers", "<other-recognized-maintainer>", ...]
]
}
```
The tags `web`, `clone`, `relays`, `maintainers` can have multiple values.
The `r` tag annotated with the `"euc"` marker should be the commit ID of the earliest unique commit of this repo, made to identify it among forks and group it with other repositories hosted elsewhere that may represent essentially the same project. In most cases it will be the root commit of a repository. In case of a permanent fork between two projects, then the first commit after the fork should be used.
Except `d`, all tags are optional.
## Repository state announcements
An optional source of truth for the state of branches and tags in a repository.
```jsonc
{
"kind": 30618,
"content": "",
"tags": [
["d", "<repo-id>"], // matches the identifier in the coresponding repository announcement
["refs/<heads|tags>/<branch-or-tag-name>","<commit-id>"]
["HEAD", "ref: refs/heads/<branch-name>"]
]
}
```
The `refs` tag may appear multiple times, or none.
If no `refs` tags are present, the author is no longer tracking repository state using this event. This approach enables the author to restart tracking state at a later time unlike [NIP-09](09.md) deletion requests.
The `refs` tag can be optionally extended to enable clients to identify how many commits ahead a ref is:
```jsonc
{
"tags": [
["refs/<heads|tags>/<branch-or-tag-name>", "<commit-id>", "<shorthand-parent-commit-id>", "<shorthand-grandparent>", ...],
]
}
```
## Patches
Patches can be sent by anyone to any repository. Patches to a specific repository SHOULD be sent to the relays specified in that repository's announcement event's `"relays"` tag. Patch events SHOULD include an `a` tag pointing to that repository's announcement address.
Patches in a patch set SHOULD include a NIP-10 `e` `reply` tag pointing to the previous patch.
The first patch revision in a patch revision SHOULD include a NIP-10 `e` `reply` to the original root patch.
```jsonc
{
"kind": 1617,
"content": "<patch>", // contents of <git format-patch>
"tags": [
["a", "30617:<base-repo-owner-pubkey>:<base-repo-id>"],
["r", "<earliest-unique-commit-id-of-repo>"] // so clients can subscribe to all patches sent to a local git repo
["p", "<repository-owner>"],
["p", "<other-user>"], // optionally send the patch to another user to bring it to their attention
["t", "root"], // omitted for additional patches in a series
// for the first patch in a revision
["t", "root-revision"],
// optional tags for when it is desirable that the merged patch has a stable commit id
// these fields are necessary for ensuring that the commit resulting from applying a patch
// has the same id as it had in the proposer's machine -- all these tags can be omitted
// if the maintainer doesn't care about these things
["commit", "<current-commit-id>"],
["r", "<current-commit-id>"] // so clients can find existing patches for a specific commit
["parent-commit", "<parent-commit-id>"],
["commit-pgp-sig", "-----BEGIN PGP SIGNATURE-----..."], // empty string for unsigned commit
["committer", "<name>", "<email>", "<timestamp>", "<timezone offset in minutes>"],
]
}
```
The first patch in a series MAY be a cover letter in the format produced by `git format-patch`.
## Issues
Issues are Markdown text that is just human-readable conversational threads related to the repository: bug reports, feature requests, questions or comments of any kind. Like patches, these SHOULD be sent to the relays specified in that repository's announcement event's `"relays"` tag.
Issues may have a `subject` tag, which clients can utilize to display a header. Additionally, one or more `t` tags may be included to provide labels for the issue.
```json
{
"kind": 1621,
"content": "<markdown text>",
"tags": [
["a", "30617:<base-repo-owner-pubkey>:<base-repo-id>"],
["p", "<repository-owner>"]
["subject", "<issue-subject>"]
["t", "<issue-label>"]
["t", "<another-issue-label>"]
]
}
```
## Replies
Replies are also Markdown text. The difference is that they MUST be issued as replies to either a `kind:1621` _issue_ or a `kind:1617` _patch_ event. The threading of replies and patches should follow NIP-10 rules.
```jsonc
{
"kind": 1622,
"content": "<markdown text>",
"tags": [
["a", "30617:<base-repo-owner-pubkey>:<base-repo-id>", "<relay-url>"],
["e", "<issue-or-patch-id-hex>", "", "root"],
// other "e" and "p" tags should be applied here when necessary, following the threading rules of NIP-10
["p", "<patch-author-pubkey-hex>", "", "mention"],
["e", "<previous-reply-id-hex>", "", "reply"],
// rest of tags...
],
// other fields...
}
```
## Status
Root Patches and Issues have a Status that defaults to 'Open' and can be set by issuing Status events.
```jsonc
{
"kind": 1630, // Open
"kind": 1631, // Applied / Merged for Patches; Resolved for Issues
"kind": 1632, // Closed
"kind": 1633, // Draft
"content": "<markdown text>",
"tags": [
["e", "<issue-or-original-root-patch-id-hex>", "", "root"],
["e", "<accepted-revision-root-id-hex>", "", "reply"], // for when revisions applied
["p", "<repository-owner>"],
["p", "<root-event-author>"],
["p", "<revision-author>"],
// optional for improved subscription filter efficiency
["a", "30617:<base-repo-owner-pubkey>:<base-repo-id>", "<relay-url>"],
["r", "<earliest-unique-commit-id-of-repo>"]
// optional for `1631` status
["e", "<applied-or-merged-patch-event-id>", "", "mention"], // for each
// when merged
["merge-commit", "<merge-commit-id>"]
["r", "<merge-commit-id>"]
// when applied
["applied-as-commits", "<commit-id-in-master-branch>", ...]
["r", "<applied-commit-id>"] // for each
]
}
```
The Status event with the largest created_at date is valid.
The Status of a patch-revision defaults to either that of the root-patch, or `1632` (Closed) if the root-patch's Status is `1631` and the patch-revision isn't tagged in the `1631` event.
## Possible things to be added later
- "branch merge" kind (specifying a URL from where to fetch the branch to be merged)
- inline file comments kind (we probably need one for patches and a different one for merged files)

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@ -0,0 +1,70 @@
NIP-35
======
Torrents
--------
`draft` `optional`
This NIP defined a new `kind 2003` which is a Torrent.
`kind 2003` is a simple torrent index where there is enough information to search for content and construct the magnet link. No torrent files exist on nostr.
## Tags
- `x`: V1 BitTorrent Info Hash, as seen in the [magnet link](https://www.bittorrent.org/beps/bep_0053.html) `magnet:?xt=urn:btih:HASH`
- `file`: A file entry inside the torrent, including the full path ie. `info/example.txt`
- `tracker`: (Optional) A tracker to use for this torrent
In order to make torrents searchable by general category, you SHOULD include a few tags like `movie`, `tv`, `HD`, `UHD` etc.
## Tag prefixes
Tag prefixes are used to label the content with references, ie. `["i", "imdb:1234"]`
- `tcat`: A comma separated text category path, ie. `["i", "tcat:video,movie,4k"]`, this should also match the `newznab` category in a best effort approach.
- `newznab`: The category ID from [newznab](https://github.com/Prowlarr/Prowlarr/blob/develop/src/NzbDrone.Core/Indexers/NewznabStandardCategory.cs)
- `tmdb`: [The movie database](https://www.themoviedb.org/) id.
- `ttvdb`: [TV database](https://thetvdb.com/) id.
- `imdb`: [IMDB](https://www.imdb.com/) id.
- `mal`: [MyAnimeList](https://myanimelist.net/) id.
- `anilist`: [AniList](https://anilist.co/) id.
A second level prefix should be included where the database supports multiple media types.
- `tmdb:movie:693134` maps to `themoviedb.org/movie/693134`
- `ttvdb:movie:290272` maps to `thetvdb.com/movies/dune-part-two`
- `mal:anime:9253` maps to `myanimelist.net/anime/9253`
- `mal:manga:17517` maps to `myanimelist.net/manga/17517`
In some cases the url mapping isnt direct, mapping the url in general is out of scope for this NIP, the section above is only a guide so that implementers have enough information to succsesfully map the url if they wish.
```json
{
"kind": 2003,
"content": "<long-description-pre-formatted>",
"tags": [
["title", "<torrent-title>"],
["x", "<bittorrent-info-hash>"],
["file", "<file-name>", "<file-size-in-bytes>"],
["file", "<file-name>", "<file-size-in-bytes>"],
["tracker", "udp://mytacker.com:1337"],
["tracker", "http://1337-tracker.net/announce"],
["i", "tcat:video,movie,4k"],
["i", "newznab:2045"],
["i", "imdb:tt15239678"],
["i", "tmdb:movie:693134"],
["i", "ttvdb:movie:290272"],
["t", "movie"],
["t", "4k"],
]
}
```
## Torrent Comments
A torrent comment is a `kind 2004` event which is used to reply to a torrent event.
This event works exactly like a `kind 1` and should follow `NIP-10` for tagging.
## Implementations
1. [dtan.xyz](https://git.v0l.io/Kieran/dtan)
2. [nostrudel.ninja](https://github.com/hzrd149/nostrudel/tree/next/src/views/torrents)

12
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@ -3,7 +3,7 @@ NIP-38
======
User Statuses
--------------
-------------
`draft` `optional`
@ -13,11 +13,11 @@ This NIP enables a way for users to share live statuses such as what music they
## Live Statuses
A special event with `kind:30315` "User Status" is defined as an *optionally expiring* _parameterized replaceable event_, where the `d` tag represents the status type:
A special event with `kind:30315` "User Status" is defined as an *optionally expiring* _addressable event_, where the `d` tag represents the status type:
For example:
```js
```json
{
"kind": 30315,
"content": "Sign up for nostrasia!",
@ -26,7 +26,9 @@ For example:
["r", "https://nostr.world"]
],
}
```
```json
{
"kind": 30315,
"content": "Intergalatic - Beastie Boys",
@ -46,6 +48,8 @@ Any other status types can be used but they are not defined by this NIP.
The status MAY include an `r`, `p`, `e` or `a` tag linking to a URL, profile, note, or parameterized replaceable event.
The `content` MAY include emoji(s), or [NIP-30](30.md) custom emoji(s). If the `content` is an empty string then the client should clear the status.
# Client behavior
Clients MAY display this next to the username on posts or profiles to provide live user status information.
@ -57,5 +61,3 @@ Clients MAY display this next to the username on posts or profiles to provide li
* Nostr music streaming services that update your music status when you're listening
* Podcasting apps that update your music status when you're listening to a podcast, with a link for others to listen as well
* Clients can use the system media player to update playing music status
The `content` MAY include emoji(s), or [NIP-30](30.md) custom emoji(s). If the `content` is an empty string then the client should clear the status.

9
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@ -12,16 +12,19 @@ Nostr protocol users may have other online identities such as usernames, profile
## `i` tag on a metadata event
A new optional `i` tag is introduced for `kind 0` metadata event contents in addition to name, about, picture fields as included in [NIP-01](https://github.com/nostr-protocol/nips/blob/master/01.md):
```json
A new optional `i` tag is introduced for `kind 0` metadata event defined in [NIP-01](01.md):
```jsonc
{
"id": <id>,
"pubkey": <pubkey>,
"tags": [
["i", "github:semisol", "9721ce4ee4fceb91c9711ca2a6c9a5ab"],
["i", "twitter:semisol_public", "1619358434134196225"],
["i", "mastodon:bitcoinhackers.org/@semisol", "109775066355589974"]
["i", "telegram:1087295469", "nostrdirectory/770"]
],
...
// other fields...
}
```

8
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@ -22,13 +22,13 @@ A relay may want to require clients to authenticate to access restricted resourc
This NIP defines a new message, `AUTH`, which relays CAN send when they support authentication and clients can send to relays when they want to authenticate. When sent by relays the message has the following form:
```json
```
["AUTH", <challenge-string>]
```
And, when sent by clients, the following form:
```json
```
["AUTH", <signed-event-json>]
```
@ -38,14 +38,14 @@ And, when sent by clients, the following form:
The signed event is an ephemeral event not meant to be published or queried, it must be of `kind: 22242` and it should have at least two tags, one for the relay URL and one for the challenge string as received from the relay. Relays MUST exclude `kind: 22242` events from being broadcasted to any client. `created_at` should be the current time. Example:
```json
```jsonc
{
"kind": 22242,
"tags": [
["relay", "wss://relay.example.com/"],
["challenge", "challengestringhere"]
],
...
// other fields...
}
```

4
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@ -1,5 +1,5 @@
NIP-44
=====
======
Encrypted Payloads (Versioned)
------------------------------
@ -142,6 +142,8 @@ validation rules, refer to BIP-340.
The operation produces a shared point, and we encode the shared point's 32-byte x coordinate, using method
`bytes(P)` from BIP340. Private and public keys must be validated as per BIP340: pubkey must be a valid,
on-curve point, and private key must be a scalar in range `[1, secp256k1_order - 1]`.
NIP44 doesn't do hashing of the output: keep this in mind, because some libraries hash it using sha256.
As an example, in libsecp256k1, unhashed version is available in `secp256k1_ec_pubkey_tweak_mul`
- Operators
- `x[i:j]`, where `x` is a byte array and `i, j <= 0` returns a `(j - i)`-byte array with a copy of the
`i`-th byte (inclusive) to the `j`-th byte (exclusive) of `x`.

10
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@ -2,7 +2,7 @@ NIP-45
======
Event Counts
--------------
------------
`draft` `optional`
@ -16,14 +16,14 @@ Some queries a client may want to execute against connected relays are prohibiti
This NIP defines the verb `COUNT`, which accepts a subscription id and filters as specified in [NIP 01](01.md) for the verb `REQ`. Multiple filters are OR'd together and aggregated into a single count result.
```json
```
["COUNT", <subscription_id>, <filters JSON>...]
```
Counts are returned using a `COUNT` response in the form `{"count": <integer>}`. Relays may use probabilistic counts to reduce compute requirements.
In case a relay uses probabilistic counts, it MAY indicate it in the response with `approximate` key i.e. `{"count": <integer>, "approximate": <true|false>}`.
```json
```
["COUNT", <subscription_id>, {"count": <integer>}]
```
@ -33,14 +33,14 @@ Whenever the relay decides to refuse to fulfill the `COUNT` request, it MUST ret
### Followers count
```json
```
["COUNT", <subscription_id>, {"kinds": [3], "#p": [<pubkey>]}]
["COUNT", <subscription_id>, {"count": 238}]
```
### Count posts and reactions
```json
```
["COUNT", <subscription_id>, {"kinds": [1, 7], "authors": [<pubkey>]}]
["COUNT", <subscription_id>, {"count": 5}]
```

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@ -1,4 +1,8 @@
# NIP-46 - Nostr Remote Signing
NIP-46
======
Nostr Remote Signing
--------------------
## Rationale
@ -25,10 +29,10 @@ This is most common in a situation where you have your own nsecbunker or other t
The remote signer would provide a connection token in the form:
```
bunker://<remote-pubkey>?relay=<wss://relay-to-connect-on>&relay=<wss://another-relay-to-connect-on>&secret=<optional-secret-value>
bunker://<remote-user-pubkey>?relay=<wss://relay-to-connect-on>&relay=<wss://another-relay-to-connect-on>&secret=<optional-secret-value>
```
This token is pasted into the client by the user and the client then uses the details to connect to the remote signer via the specified relay(s).
This token is pasted into the client by the user and the client then uses the details to connect to the remote signer via the specified relay(s). Optional secret can be used for single successfully established connection only, remote signer SHOULD ignore new attempts to establish connection with old optional secret.
### Direct connection initiated by the client
@ -61,8 +65,9 @@ nostrconnect://<local-keypair-pubkey>?relay=<wss://relay-to-connect-on>&metadata
"method": "sign_event",
"params": [json_stringified(<{
content: "Hello, I'm signing remotely",
pubkey: "fa984bd7dbb282f07e16e7ae87b26a2a7b9b90b7246a44771f0cf5ae58018f52",
// ...the rest of the event data
kind: 1,
tags: [],
created_at: 1714078911
}>)]
}),
"tags": [["p", "fa984bd7dbb282f07e16e7ae87b26a2a7b9b90b7246a44771f0cf5ae58018f52"]], // p-tags the remote user pubkey
@ -89,7 +94,7 @@ nostrconnect://<local-keypair-pubkey>?relay=<wss://relay-to-connect-on>&metadata
## Request Events `kind: 24133`
```json
```jsonc
{
"id": <id>,
"kind": 24133,
@ -100,7 +105,7 @@ nostrconnect://<local-keypair-pubkey>?relay=<wss://relay-to-connect-on>&metadata
}
```
The `content` field is a JSON-RPC-like message that is [NIP-04](https://github.com/nostr-protocol/nips/blob/master/04.md) encrypted and has the following structure:
The `content` field is a JSON-RPC-like message that is [NIP-04](04.md) encrypted and has the following structure:
```json
{
@ -118,17 +123,21 @@ The `content` field is a JSON-RPC-like message that is [NIP-04](https://github.c
Each of the following are methods that the client sends to the remote signer.
| Command | Params | Result |
| ------------------------ | ------------------------------------------------- | ---------------------------------------------------------------------- |
| `connect` | `[<remote_user_pubkey>, <optional_secret>]` | "ack" |
| `sign_event` | `[<json_stringified_event_to_sign>]` | `json_stringified(<signed_event>)` |
| `ping` | `[]` | "pong" |
| `get_relays` | `[]` | `json_stringified({<relay_url>: {read: <boolean>, write: <boolean>}})` |
| `get_public_key` | `[]` | `<hex-pubkey>` |
| `nip04_encrypt` | `[<third_party_pubkey>, <plaintext_to_encrypt>]` | `<nip04_ciphertext>` |
| `nip04_decrypt` | `[<third_party_pubkey>, <nip04_ciphertext_to_decrypt>]` | `<plaintext>` |
| `nip44_encrypt` | `[<third_party_pubkey>, <plaintext_to_encrypt>]` | `<nip44_ciphertext>` |
| `nip44_decrypt` | `[<third_party_pubkey>, <nip44_ciphertext_to_decrypt>]` | `<plaintext>` |
| Command | Params | Result |
| ------------------------ | ------------------------------------------------- | ---------------------------------------------------------------------- |
| `connect` | `[<remote_user_pubkey>, <optional_secret>, <optional_requested_permissions>]` | "ack" |
| `sign_event` | `[<{kind, content, tags, created_at}>]` | `json_stringified(<signed_event>)` |
| `ping` | `[]` | "pong" |
| `get_relays` | `[]` | `json_stringified({<relay_url>: {read: <boolean>, write: <boolean>}})` |
| `get_public_key` | `[]` | `<hex-pubkey>` |
| `nip04_encrypt` | `[<third_party_pubkey>, <plaintext_to_encrypt>]` | `<nip04_ciphertext>` |
| `nip04_decrypt` | `[<third_party_pubkey>, <nip04_ciphertext_to_decrypt>]` | `<plaintext>` |
| `nip44_encrypt` | `[<third_party_pubkey>, <plaintext_to_encrypt>]` | `<nip44_ciphertext>` |
| `nip44_decrypt` | `[<third_party_pubkey>, <nip44_ciphertext_to_decrypt>]` | `<plaintext>` |
### Requested permissions
The `connect` method may be provided with `optional_requested_permissions` for user convenience. The permissions are a comma-separated list of `method[:params]`, i.e. `nip04_encrypt,sign_event:4` meaning permissions to call `nip04_encrypt` and to call `sign_event` with `kind:4`. Optional parameter for `sign_event` is the kind number, parameters for other methods are to be defined later.
## Response Events `kind:24133`
@ -143,19 +152,19 @@ Each of the following are methods that the client sends to the remote signer.
}
```
The `content` field is a JSON-RPC-like message that is [NIP-04](https://github.com/nostr-protocol/nips/blob/master/04.md) encrypted and has the following structure:
The `content` field is a JSON-RPC-like message that is [NIP-04](04.md) encrypted and has the following structure:
```json
{
"id": <request_id>,
"result": <results_string>,
"error": <error_string>
"error": <optional_error_string>
}
```
- `id` is the request ID that this response is for.
- `results` is a string of the result of the call (this can be either a string or a JSON stringified object)
- `error` is an error in string form.
- `error`, _optionally_, it is an error in string form, if any. Its presence indicates an error with the request.
### Auth Challenges
@ -185,7 +194,7 @@ Each of the following are methods that the client sends to the remote signer.
| Command | Params | Result |
| ---------------- | ------------------------------------------ | ------------------------------------ |
| `create_account` | `[<username>, <domain>, <optional_email>]` | `<newly_created_remote_user_pubkey>` |
| `create_account` | `[<username>, <domain>, <optional_email>, <optional_requested_permissions>]` | `<newly_created_remote_user_pubkey>` |
## Appendix
@ -203,7 +212,7 @@ When the user types a NIP-05 the client:
#### Remote signer discovery via NIP-89
In this last case, most often used to fascilitate an OAuth-like signin flow, the client first looks for remote signers that have announced themselves via NIP-89 application handler events.
In this last case, most often used to facilitate an OAuth-like signin flow, the client first looks for remote signers that have announced themselves via NIP-89 application handler events.
First the client will query for `kind: 31990` events that have a `k` tag of `24133`.
@ -219,4 +228,4 @@ Coming soon...
## References
- [NIP-04 - Encryption](https://github.com/nostr-protocol/nips/blob/master/04.md)
- [NIP-04 - Encryption](04.md)

18
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@ -38,7 +38,7 @@ a plaintext string with the supported commands, space-separated, eg. `pay_invoic
Both the request and response events SHOULD contain one `p` tag, containing the public key of the **wallet service** if this is a request, and the public key of the **user** if this is a response. The response event SHOULD contain an `e` tag with the id of the request event it is responding to.
Optionally, a request can have an `expiration` tag that has a unix timestamp in seconds. If the request is received after this timestamp, it should be ignored.
The content of requests and responses is encrypted with [NIP04](https://github.com/nostr-protocol/nips/blob/master/04.md), and is a JSON-RPCish object with a semi-fixed structure:
The content of requests and responses is encrypted with [NIP04](04.md), and is a JSON-RPCish object with a semi-fixed structure:
Request:
```jsonc
@ -81,7 +81,7 @@ If the command was successful, the `error` field must be null.
## Nostr Wallet Connect URI
**client** discovers **wallet service** by scanning a QR code, handling a deeplink or pasting in a URI.
The **wallet service** generates this connection URI with protocol `nostr+walletconnect:` and base path it's hex-encoded `pubkey` with the following query string parameters:
The **wallet service** generates this connection URI with protocol `nostr+walletconnect://` and base path it's hex-encoded `pubkey` with the following query string parameters:
- `relay` Required. URL of the relay where the **wallet service** is connected and will be listening for events. May be more than one.
- `secret` Required. 32-byte randomly generated hex encoded string. The **client** MUST use this to sign events and encrypt payloads when communicating with the **wallet service**.
@ -95,7 +95,7 @@ The **client** should then store this connection and use it when the user wants
### Example connection string
```sh
nostr+walletconnect:b889ff5b1513b641e2a139f661a661364979c5beee91842f8f0ef42ab558e9d4?relay=wss%3A%2F%2Frelay.damus.io&secret=71a8c14c1407c113601079c4302dab36460f0ccd0ad506f1f2dc73b5100e4f3c
nostr+walletconnect://b889ff5b1513b641e2a139f661a661364979c5beee91842f8f0ef42ab558e9d4?relay=wss%3A%2F%2Frelay.damus.io&secret=71a8c14c1407c113601079c4302dab36460f0ccd0ad506f1f2dc73b5100e4f3c
```
## Commands
@ -173,7 +173,7 @@ Request:
"amount": 123, // invoice amount in msats, required
"pubkey": "03...", // payee pubkey, required
"preimage": "0123456789abcdef...", // preimage of the payment, optional
"tlv_records: [ // tlv records, optional
"tlv_records": [ // tlv records, optional
{
"type": 5482373484, // tlv type
"value": "0123456789abcdef" // hex encoded tlv value
@ -208,7 +208,7 @@ Request:
"method": "multi_pay_keysend",
"params": {
"keysends": [
{"id": "4c5b24a351", pubkey": "03...", "amount": 123},
{"id": "4c5b24a351", "pubkey": "03...", "amount": 123},
{"id": "3da52c32a1", "pubkey": "02...", "amount": 567, "preimage": "abc123..", "tlv_records": [{"type": 696969, "value": "77616c5f6872444873305242454d353736"}]},
],
}
@ -358,8 +358,7 @@ Request:
```jsonc
{
"method": "get_balance",
"params": {
}
"params": {}
}
```
@ -379,8 +378,7 @@ Request:
```jsonc
{
"method": "get_info",
"params": {
}
"params": {}
}
```
@ -402,7 +400,7 @@ Response:
## Example pay invoice flow
0. The user scans the QR code generated by the **wallet service** with their **client** application, they follow a `nostr+walletconnect:` deeplink or configure the connection details manually.
0. The user scans the QR code generated by the **wallet service** with their **client** application, they follow a `nostr+walletconnect://` deeplink or configure the connection details manually.
1. **client** sends an event to the **wallet service** with kind `23194`. The content is a `pay_invoice` request. The private key is the secret from the connection string above.
2. **wallet service** verifies that the author's key is authorized to perform the payment, decrypts the payload and sends the payment.
3. **wallet service** responds to the event by sending an event with kind `23195` and content being a response either containing an error message or a preimage.

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@ -15,9 +15,9 @@ extensible framework for performing such queries.
## `search` filter field
A new `search` field is introduced for `REQ` messages from clients:
```json
```jsonc
{
...
// other fields on filter object...
"search": <string>
}
```
@ -26,6 +26,8 @@ Relays SHOULD interpret the query to the best of their ability and return events
Relays SHOULD perform matching against `content` event field, and MAY perform
matching against other fields if that makes sense in the context of a specific kind.
Results SHOULD be returned in descending order by quality of search result (as defined by the implementation),
not by the usual `.created_at`. The `limit` filter SHOULD be applied after sorting by matching score.
A query string may contain `key:value` pairs (two words separated by colon), these are extensions, relays SHOULD ignore
extensions they don't support.
@ -47,3 +49,7 @@ Relays SHOULD exclude spam from search results by default if they support some f
Relay MAY support these extensions:
- `include:spam` - turn off spam filtering, if it was enabled by default
- `domain:<domain>` - include only events from users whose valid nip05 domain matches the domain
- `language:<two letter ISO 639-1 language code>` - include only events of a specified language
- `sentiment:<negative/neutral/positive>` - include only events of a specific sentiment
- `nsfw:<true/false>` - include or exclude nsfw events (default: true)

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@ -16,21 +16,25 @@ When new items are added to an existing list, clients SHOULD append them to the
## Standard lists
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.
Standard lists use normal 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.
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 |
| --- | --- | --- | --- |
| 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) |
| 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) |
| Simple groups | 10009 | [NIP-29](29.md) groups the user is in | `"group"` ([NIP-29](29.md) group ids + mandatory relay URL) |
| 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) |
| 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) |
## Sets
@ -47,6 +51,7 @@ Aside from their main identifier, the `"d"` tag, sets can optionally have a `"ti
| 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) |
| Curation sets | 30005 | groups of videos picked by users as interesting and/or belonging to the same category | `"a"` (kind:34235 videos) |
| Kind mute sets | 30007 | mute pubkeys by kinds<br>`"d"` tag MUST be the kind string | `"p"` (pubkeys) |
| 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)) |
| Release artifact sets | 30063 | groups of files of a software release | `"e"` (kind:1063 [file metadata](94.md) events), `"i"` (application identifier, typically reverse domain notation), `"version"` |
@ -106,7 +111,7 @@ Some clients have used these lists in the past, but they should work on transiti
### A _release artifact set_ of an Example App
```json
```jsonc
{
"id": "567b41fc9060c758c4216fe5f8d3df7c57daad7ae757fa4606f0c39d4dd220ef",
"pubkey": "d6dc95542e18b8b7aec2f14610f55c335abebec76f3db9e58c254661d0593a0c",

23
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@ -6,7 +6,7 @@ Calendar Events
`draft` `optional`
This specification defines calendar events representing an occurrence at a specific moment or between moments. These calendar events are _parameterized replaceable_ and deletable per [NIP-09](09.md).
This specification defines calendar events representing an occurrence at a specific moment or between moments. These calendar events are _addressable_ and deletable per [NIP-09](09.md).
Unlike the term `calendar event` specific to this NIP, the term `event` is used broadly in all the NIPs to describe any Nostr event. The distinction is being made here to discern between the two terms.
@ -90,9 +90,12 @@ The list of tags are as follows:
* `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.
@ -110,6 +113,8 @@ The following tags are deprecated:
["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>"],
@ -126,6 +131,10 @@ The following tags are deprecated:
["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>"],
@ -178,6 +187,10 @@ This NIP is intentionally not defining who is authorized to attend a calendar ev
This NIP is also intentionally not defining what happens if a calendar event changes after an RSVP is submitted.
The RSVP MUST have an `a` tag of the event coordinates to the calendar event, and optionally an `e` tag of the id of the specific calendar event revision. If an `e` tag is present, clients SHOULD interpret it as an indication that the RSVP is a response to that revision of the calendar event, and MAY interpret it to not necessarily apply to other revisions of the calendar event.
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.
### Format
The format uses a parameterized replaceable event kind `31925`.
@ -185,10 +198,12 @@ The format uses a parameterized replaceable 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 are as follows:
* `a` (required) reference tag to kind `31922` or `31923` calendar event being responded to.
* `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.
* `status` (required) `accepted`, `declined`, or `tentative`. Determines attendance status to the referenced calendar event.
* `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.
```json
{
@ -198,10 +213,12 @@ The list of tags are as follows:
"kind": 31925,
"content": "<note>",
"tags": [
["a", "<31922 or 31923>:<calendar event author pubkey>:<d-identifier of calendar event>", "<optional relay url>"],
["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", "<UUID>"],
["status", "<accepted/declined/tentative>"],
["fb", "<free/busy>"],
["p", "<hex pubkey of kind 31922 or 31923 event>", "<optional recommended relay URL>"]
]
}
```

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@ -12,11 +12,11 @@ Service providers want to offer live activities to the Nostr network in such a w
### Live Event
A special event with `kind:30311` "Live Event" is defined as a _parameterized replaceable event_ of public `p` tags. Each `p` tag SHOULD have a **displayable** marker name for the current role (e.g. `Host`, `Speaker`, `Participant`) of the user in the event and the relay information MAY be empty. This event will be constantly updated as participants join and leave the activity.
A special event with `kind:30311` "Live Event" is defined as an _addressable event_ of public `p` tags. Each `p` tag SHOULD have a **displayable** marker name for the current role (e.g. `Host`, `Speaker`, `Participant`) of the user in the event and the relay information MAY be empty. This event will be constantly updated as participants join and leave the activity.
For example:
```json
```jsonc
{
"kind": 30311,
"tags": [
@ -35,10 +35,10 @@ For example:
["p", "91cf9..4e5ca", "wss://provider1.com/", "Host", "<proof>"],
["p", "14aeb..8dad4", "wss://provider2.com/nostr", "Speaker"],
["p", "612ae..e610f", "ws://provider3.com/ws", "Participant"],
["relays", "wss://one.com", "wss://two.com", ...]
["relays", "wss://one.com", "wss://two.com", /*...*/]
],
"content": "",
...
// other fields...
}
```
@ -64,20 +64,20 @@ This feature is important to avoid malicious event owners adding large account h
Event `kind:1311` is live chat's channel message. Clients MUST include the `a` tag of the activity with a `root` marker. Other Kind-1 tags such as `reply` and `mention` can also be used.
```json
```jsonc
{
"kind": 1311,
"tags": [
["a", "30311:<Community event author pubkey>:<d-identifier of the community>", "<Optional relay url>", "root"],
],
"content": "Zaps to live streams is beautiful.",
...
// other fields...
}
```
## Use Cases
Common use cases include meeting rooms/workshops, watch-together activities, or event spaces, such as [live.snort.social](https://live.snort.social) and [nostrnests.com](https://nostrnests.com).
Common use cases include meeting rooms/workshops, watch-together activities, or event spaces, such as [zap.stream](https://zap.stream).
## Example

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@ -0,0 +1,121 @@
NIP-54
======
Wiki
----
`draft` `optional`
This NIP defines `kind:30818` (an _addressable event_) for descriptions (or encyclopedia entries) of particular subjects, and it's expected that multiple people will write articles about the exact same subjects, with either small variations or completely independent content.
Articles are identified by lowercase, normalized ascii `d` tags.
### Articles
```json
{
"content": "A wiki is a hypertext publication collaboratively edited and managed by its own audience.",
"tags": [
["d", "wiki"],
["title", "Wiki"],
]
}
```
### `d` tag normalization rules
- Any non-letter character MUST be converted to a `-`.
- All letters MUST be converted to lowercase.
### Content
The `content` should be Asciidoc with two extra functionalities: **wikilinks** and **nostr:...** links.
Unlike normal Asciidoc links `http://example.com[]` that link to external webpages, wikilinks `[[]]` link to other articles in the wiki. In this case, the wiki is the entirety of Nostr. Clicking on a wikilink should cause the client to ask relays for events with `d` tags equal to the target of that wikilink.
Wikilinks can take these two forms:
1. `[[Target Page]]` -- in this case it will link to the page `target-page` (according to `d` tag normalization rules above) and be displayed as `Target Page`;
2. `[[target page|see this]]` -- in this case it will link to the page `target-page`, but will be displayed as `see this`.
`nostr:...` links, as per [NIP-21](21.md), should link to profiles or arbitrary Nostr events. Although it is not recommended to link to specific versions of articles -- instead the _wikilink_ syntax should be preferred, since it should be left to the reader and their client to decide what version of any given article they want to read.
### Optional extra tags
- `title`: for when the display title should be different from the `d` tag.
- `summary`: for display in lists.
- `a` and `e`: for referencing the original event a wiki article was forked from.
### Merge Requests
Event `kind:818` represents a request to merge from a forked article into the source. It is directed to a pubkey and references the original article and the modified event.
[INSERT EVENT EXAMPLE]
### Redirects
Event `kind:30819` is also defined to stand for "wiki redirects", i.e. if one thinks `Shell structure` should redirect to `Thin-shell structure` they can issue one of these events instead of replicating the content. These events can be used for automatically redirecting between articles on a client, but also for generating crowdsourced "disambiguation" pages ([common in Wikipedia](https://en.wikipedia.org/wiki/Help:Disambiguation)).
[INSERT EVENT EXAMPLE]
How to decide what article to display
-------------------------------------
As there could be many articles for each given name, some kind of prioritization must be done by clients. Criteria for this should vary between users and clients, but some means that can be used are described below:
### Reactions
[NIP-25](25.md) reactions are very simple and can be used to create a simple web-of-trust between wiki article writers and their content. While just counting a raw number of "likes" is unproductive, reacting to any wiki article event with a `+` can be interpreted as a recommendation for that article specifically and a partial recommendation of the author of that article. When 2 or 3-level deep recommendations are followed, suddenly a big part of all the articles may have some form of tagging.
### Relays
[NIP-51](51.md) lists of relays can be created with the kind 10102 and then used by wiki clients in order to determine where to query articles first and to rank these differently in relation to other events fetched from other relays.
### Contact lists
[NIP-02](02.md) contact lists can form the basis of a recommendation system that is then expanded with relay lists and reaction lists through nested queries. These lists form a good starting point only because they are so widespread.
### Wiki-related contact lists
[NIP-51](51.md) lists can also be used to create a list of users that are trusted only in the context of wiki authorship or wiki curationship.
Forks
---------
Wiki-events can tag other wiki-events with a `fork` marker to specify that this event came from a different version. Both `a` and `e` tags SHOULD be used and have the `fork` marker applied, to identify the exact version it was forked from.
Deference
---------
Wiki-events can tag other wiki-events with a `defer` marker to indicate that it considers someone else's entry as a "better" version of itself. If using a `defer` marker both `a` and `e` tags SHOULD be used.
This is a stronger signal of trust than a `+` reaction.
This marker is useful when a user edits someone else's entry; if the original author includes the editor's changes and the editor doesn't want to keep/maintain an independent version, the `link` tag could effectively be a considered a "deletion" of the editor's version and putting that pubkey's WoT weight behind the original author's version.
Why Asciidoc?
-------------
Wikitext is [garbage](nostr:nevent1qqsqt0gcggry60n72uglhuhypdlmr2dm6swjj69jex5v530gcpazlzsprpmhxue69uhhyetvv9ujumn0wdmksetjv5hxxmmdqy28wumn8ghj7un9d3shjtnyv9kh2uewd9hsygpm7rrrljungc6q0tuh5hj7ue863q73qlheu4vywtzwhx42a7j9n5ueneex) and Markdown is not powerful enough (besides being too freeform and unspecified and prone to generate incompatibilities in the future).
Asciidoc has a strict spec, multiple implementations in many languages, and support for features that are very much necessary in a wiki article, like _sidebars_, _tables_ (with rich markup inside cells), many levels of _headings_, _footnotes_, _superscript_ and _subscript_ markup and _description lists_. It is also arguably easier to read in its plaintext format than Markdown (and certainly much better than Wikitext).
# Appendix 1: Merge requests
Users can request other users to get their entries merged into someone else's entry by creating a `kind:818` event.
```json
{
"content": "I added information about how to make hot ice-creams",
"kind": 818,
"tags": [
[ "a", "30818:<destination-pubkey>:hot-ice-creams", "<relay-url>" ],
[ "e", "<version-against-which-the-modification-was-made>", "<relay-url>" ],
[ "p", "<destination-pubkey>" ],
[ "e", "<version-to-be-merged>", "<relay-url>", "source" ]
]
}
```
`.content`: an optional explanation detailing why this merge is being requested.
`a` tag: tag of the article which should be modified (i.e. the target of this merge request).
`e` tag: optional version of the article in which this modifications is based
`e` tag with `source` marker: the ID of the event that should be merged. This event id MUST be of a `kind:30818` as defined in this NIP.
The destination-pubkey is the pubkey being requested to merge something into their article can create [[NIP-25]] reactions that tag the `kind:818` event with `+` or `-`

540
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@ -0,0 +1,540 @@
NIP-55
======
Android Signer Application
--------------------------
`draft` `optional`
This NIP describes a method for 2-way communication between an Android signer and any Nostr client on Android. The Android signer is an Android Application and the client can be a web client or an Android application.
# Usage for Android applications
The Android signer uses Intents and Content Resolvers to communicate between applications.
To be able to use the Android signer in your application you should add this to your AndroidManifest.xml:
```xml
<queries>
<intent>
<action android:name="android.intent.action.VIEW" />
<category android:name="android.intent.category.BROWSABLE" />
<data android:scheme="nostrsigner" />
</intent>
</queries>
```
Then you can use this function to check if there's a signer application installed:
```kotlin
fun isExternalSignerInstalled(context: Context): Boolean {
val intent =
Intent().apply {
action = Intent.ACTION_VIEW
data = Uri.parse("nostrsigner:")
}
val infos = context.packageManager.queryIntentActivities(intent, 0)
return infos.size > 0
}
```
## Using Intents
To get the result back from the Signer Application you should use `registerForActivityResult` or `rememberLauncherForActivityResult` in Kotlin. If you are using another framework check the documentation of your framework or a third party library to get the result.
```kotlin
val launcher = rememberLauncherForActivityResult(
contract = ActivityResultContracts.StartActivityForResult(),
onResult = { result ->
if (result.resultCode != Activity.RESULT_OK) {
Toast.makeText(
context,
"Sign request rejected",
Toast.LENGTH_SHORT
).show()
} else {
val signature = activityResult.data?.getStringExtra("signature")
// Do something with signature ...
}
}
)
```
Create the Intent using the **nostrsigner** scheme:
```kotlin
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("nostrsigner:$content"))
```
Set the Signer package name:
```kotlin
intent.`package` = "com.example.signer"
```
Send the Intent:
```kotlin
launcher.launch(intent)
```
### Methods
- **get_public_key**
- params:
```kotlin
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("nostrsigner:"))
intent.`package` = "com.example.signer"
intent.putExtra("type", "get_public_key")
// You can send some default permissions for the user to authorize for ever
val permissions = listOf(
Permission(
type = "sign_event",
kind = 22242
),
Permission(
type = "nip44_decrypt"
)
)
intent.putExtra("permissions", permissions.toJson())
context.startActivity(intent)
```
- result:
- If the user approved intent it will return the **npub** in the signature field
```kotlin
val npub = intent.data?.getStringExtra("signature")
// The package name of the signer application
val packageName = intent.data?.getStringExtra("package")
```
- **sign_event**
- params:
```kotlin
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("nostrsigner:$eventJson"))
intent.`package` = "com.example.signer"
intent.putExtra("type", "sign_event")
// To handle results when not waiting between intents
intent.putExtra("id", event.id)
// Send the current logged in user npub
intent.putExtra("current_user", npub)
context.startActivity(intent)
```
- result:
- If the user approved intent it will return the **signature**, **id** and **event** fields
```kotlin
val signature = intent.data?.getStringExtra("signature")
// The id you sent
val id = intent.data?.getStringExtra("id")
val signedEventJson = intent.data?.getStringExtra("event")
```
- **nip04_encrypt**
- params:
```kotlin
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("nostrsigner:$plaintext"))
intent.`package` = "com.example.signer"
intent.putExtra("type", "nip04_encrypt")
// to control the result in your application in case you are not waiting the result before sending another intent
intent.putExtra("id", "some_id")
// Send the current logged in user npub
intent.putExtra("current_user", account.keyPair.pubKey.toNpub())
// Send the hex pubKey that will be used for encrypting the data
intent.putExtra("pubKey", pubKey)
context.startActivity(intent)
```
- result:
- If the user approved intent it will return the **signature** and **id** fields
```kotlin
val encryptedText = intent.data?.getStringExtra("signature")
// the id you sent
val id = intent.data?.getStringExtra("id")
```
- **nip44_encrypt**
- params:
```kotlin
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("nostrsigner:$plaintext"))
intent.`package` = "com.example.signer"
intent.putExtra("type", "nip44_encrypt")
// to control the result in your application in case you are not waiting the result before sending another intent
intent.putExtra("id", "some_id")
// Send the current logged in user npub
intent.putExtra("current_user", account.keyPair.pubKey.toNpub())
// Send the hex pubKey that will be used for encrypting the data
intent.putExtra("pubKey", pubKey)
context.startActivity(intent)
```
- result:
- If the user approved intent it will return the **signature** and **id** fields
```kotlin
val encryptedText = intent.data?.getStringExtra("signature")
// the id you sent
val id = intent.data?.getStringExtra("id")
```
- **nip04_decrypt**
- params:
```kotlin
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("nostrsigner:$encryptedText"))
intent.`package` = "com.example.signer"
intent.putExtra("type", "nip04_decrypt")
// to control the result in your application in case you are not waiting the result before sending another intent
intent.putExtra("id", "some_id")
// Send the current logged in user npub
intent.putExtra("current_user", account.keyPair.pubKey.toNpub())
// Send the hex pubKey that will be used for decrypting the data
intent.putExtra("pubKey", pubKey)
context.startActivity(intent)
```
- result:
- If the user approved intent it will return the **signature** and **id** fields
```kotlin
val plainText = intent.data?.getStringExtra("signature")
// the id you sent
val id = intent.data?.getStringExtra("id")
```
- **nip44_decrypt**
- params:
```kotlin
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("nostrsigner:$encryptedText"))
intent.`package` = "com.example.signer"
intent.putExtra("type", "nip04_decrypt")
// to control the result in your application in case you are not waiting the result before sending another intent
intent.putExtra("id", "some_id")
// Send the current logged in user npub
intent.putExtra("current_user", account.keyPair.pubKey.toNpub())
// Send the hex pubKey that will be used for decrypting the data
intent.putExtra("pubKey", pubKey)
context.startActivity(intent)
```
- result:
- If the user approved intent it will return the **signature** and **id** fields
```kotlin
val plainText = intent.data?.getStringExtra("signature")
// the id you sent
val id = intent.data?.getStringExtra("id")
```
- **decrypt_zap_event**
- params:
```kotlin
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("nostrsigner:$eventJson"))
intent.`package` = "com.example.signer"
intent.putExtra("type", "decrypt_zap_event")
// to control the result in your application in case you are not waiting the result before sending another intent
intent.putExtra("id", "some_id")
// Send the current logged in user npub
intent.putExtra("current_user", account.keyPair.pubKey.toNpub())
context.startActivity(intent)
```
- result:
- If the user approved intent it will return the **signature** and **id** fields
```kotlin
val eventJson = intent.data?.getStringExtra("signature")
// the id you sent
val id = intent.data?.getStringExtra("id")
```
## Using Content Resolver
To get the result back from Signer Application you should use contentResolver.query in Kotlin. If you are using another framework check the documentation of your framework or a third party library to get the result.
If the user did not check the "remember my choice" option, the npub is not in Signer Application or the signer type is not recognized the `contentResolver` will return null
For the SIGN_EVENT type Signer Application returns two columns "signature" and "event". The column event is the signed event json
For the other types Signer Application returns the column "signature"
If the user chose to always reject the event, signer application will return the column "rejected" and you should not open signer application
### Methods
- **get_public_key**
- params:
```kotlin
val result = context.contentResolver.query(
Uri.parse("content://com.example.signer.GET_PUBLIC_KEY"),
listOf("login"),
null,
null,
null
)
```
- result:
- Will return the **npub** in the signature column
```kotlin
if (result == null) return
if (result.moveToFirst()) {
val index = it.getColumnIndex("signature")
if (index < 0) return
val npub = it.getString(index)
}
```
- **sign_event**
- params:
```kotlin
val result = context.contentResolver.query(
Uri.parse("content://com.example.signer.SIGN_EVENT"),
listOf("$eventJson", "", "${logged_in_user_npub}"),
null,
null,
null
)
```
- result:
- Will return the **signature** and the **event** columns
```kotlin
if (result == null) return
if (result.moveToFirst()) {
val index = it.getColumnIndex("signature")
val indexJson = it.getColumnIndex("event")
val signature = it.getString(index)
val eventJson = it.getString(indexJson)
}
```
- **nip04_encrypt**
- params:
```kotlin
val result = context.contentResolver.query(
Uri.parse("content://com.example.signer.NIP04_ENCRYPT"),
listOf("$plainText", "${hex_pub_key}", "${logged_in_user_npub}"),
null,
null,
null
)
```
- result:
- Will return the **signature** column
```kotlin
if (result == null) return
if (result.moveToFirst()) {
val index = it.getColumnIndex("signature")
val encryptedText = it.getString(index)
}
```
- **nip44_encrypt**
- params:
```kotlin
val result = context.contentResolver.query(
Uri.parse("content://com.example.signer.NIP44_ENCRYPT"),
listOf("$plainText", "${hex_pub_key}", "${logged_in_user_npub}"),
null,
null,
null
)
```
- result:
- Will return the **signature** column
```kotlin
if (result == null) return
if (result.moveToFirst()) {
val index = it.getColumnIndex("signature")
val encryptedText = it.getString(index)
}
```
- **nip04_decrypt**
- params:
```kotlin
val result = context.contentResolver.query(
Uri.parse("content://com.example.signer.NIP04_DECRYPT"),
listOf("$encryptedText", "${hex_pub_key}", "${logged_in_user_npub}"),
null,
null,
null
)
```
- result:
- Will return the **signature** column
```kotlin
if (result == null) return
if (result.moveToFirst()) {
val index = it.getColumnIndex("signature")
val encryptedText = it.getString(index)
}
```
- **nip44_decrypt**
- params:
```kotlin
val result = context.contentResolver.query(
Uri.parse("content://com.example.signer.NIP44_DECRYPT"),
listOf("$encryptedText", "${hex_pub_key}", "${logged_in_user_npub}"),
null,
null,
null
)
```
- result:
- Will return the **signature** column
```kotlin
if (result == null) return
if (result.moveToFirst()) {
val index = it.getColumnIndex("signature")
val encryptedText = it.getString(index)
}
```
- **decrypt_zap_event**
- params:
```kotlin
val result = context.contentResolver.query(
Uri.parse("content://com.example.signer.DECRYPT_ZAP_EVENT"),
listOf("$eventJson", "", "${logged_in_user_npub}"),
null,
null,
null
)
```
- result:
- Will return the **signature** column
```kotlin
if (result == null) return
if (result.moveToFirst()) {
val index = it.getColumnIndex("signature")
val eventJson = it.getString(index)
}
```
# Usage for Web Applications
Since web applications can't receive a result from the intent, you should add a modal to paste the signature or the event json or create a callback url.
If you send the callback url parameter, Signer Application will send the result to the url.
If you don't send a callback url, Signer Application will copy the result to the clipboard.
You can configure the `returnType` to be **signature** or **event**.
Android intents and browser urls have limitations, so if you are using the `returnType` of **event** consider using the parameter **compressionType=gzip** that will return "Signer1" + Base64 gzip encoded event json
## Methods
- **get_public_key**
- params:
```js
window.href = `nostrsigner:?compressionType=none&returnType=signature&type=get_public_key&callbackUrl=https://example.com/?event=`;
```
- **sign_event**
- params:
```js
window.href = `nostrsigner:${eventJson}?compressionType=none&returnType=signature&type=sign_event&callbackUrl=https://example.com/?event=`;
```
- **nip04_encrypt**
- params:
```js
window.href = `nostrsigner:${plainText}?pubKey=${hex_pub_key}&compressionType=none&returnType=signature&type=nip04_encrypt&callbackUrl=https://example.com/?event=`;
```
- **nip44_encrypt**
- params:
```js
window.href = `nostrsigner:${plainText}?pubKey=${hex_pub_key}&compressionType=none&returnType=signature&type=nip44_encrypt&callbackUrl=https://example.com/?event=`;
```
- **nip04_decrypt**
- params:
```js
window.href = `nostrsigner:${encryptedText}?pubKey=${hex_pub_key}&compressionType=none&returnType=signature&type=nip04_decrypt&callbackUrl=https://example.com/?event=`;
```
- **nip44_decrypt**
- params:
```js
window.href = `nostrsigner:${encryptedText}?pubKey=${hex_pub_key}&compressionType=none&returnType=signature&type=nip44_decrypt&callbackUrl=https://example.com/?event=`;
```
- **decrypt_zap_event**
- params:
```js
window.href = `nostrsigner:${eventJson}?compressionType=none&returnType=signature&type=decrypt_zap_event&callbackUrl=https://example.com/?event=`;
```
## Example
```js
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<h1>Test</h1>
<script>
window.onload = function() {
var url = new URL(window.location.href);
var params = url.searchParams;
if (params) {
var param1 = params.get("event");
if (param1) alert(param1)
}
let json = {
kind: 1,
content: "test"
}
let encodedJson = encodeURIComponent(JSON.stringify(json))
var newAnchor = document.createElement("a");
newAnchor.href = `nostrsigner:${encodedJson}?compressionType=none&returnType=signature&type=sign_event&callbackUrl=https://example.com/?event=`;
newAnchor.textContent = "Open External Signer";
document.body.appendChild(newAnchor)
}
</script>
</body>
</html>
```

22
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@ -4,10 +4,12 @@ NIP-56
Reporting
---------
`draft` `optional`
`optional`
A report is a `kind 1984` note that is used to report other notes for spam,
illegal and explicit content.
A report is a `kind 1984` event that signals to users and relays that
some referenced content is objectionable. The definition of objectionable is
obviously subjective and all agents on the network (users, apps, relays, etc.)
may consume and take action on them as they see fit.
The `content` MAY contain additional information submitted by the entity
reporting the content.
@ -24,10 +26,12 @@ A `report type` string MUST be included as the 3rd entry to the `e` or `p` tag
being reported, which consists of the following report types:
- `nudity` - depictions of nudity, porn, etc.
- `malware` - virus, trojan horse, worm, robot, spyware, adware, back door, ransomware, rootkit, kidnapper, etc.
- `profanity` - profanity, hateful speech, etc.
- `illegal` - something which may be illegal in some jurisdiction
- `spam` - spam
- `impersonation` - someone pretending to be someone else
- `other` - for reports that don't fit in the above categories
Some report tags only make sense for profile reports, such as `impersonation`
@ -37,7 +41,7 @@ further qualification and querying.
Example events
--------------
```json
```jsonc
{
"kind": 1984,
"tags": [
@ -46,9 +50,11 @@ Example events
["l", "NS-nud", "social.nos.ontology"]
],
"content": "",
...
// other fields...
}
```
```jsonc
{
"kind": 1984,
"tags": [
@ -56,16 +62,18 @@ Example events
["p", <pubkey>]
],
"content": "He's insulting the king!",
...
// other fields...
}
```
```jsonc
{
"kind": 1984,
"tags": [
["p", <impersonator pubkey>, "impersonation"]
],
"content": "Profile is impersonating nostr:<victim bech32 pubkey>",
...
// other fields...
}
```

6
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@ -36,7 +36,7 @@ A `zap request` is an event of kind `9734` that is _not_ published to relays, bu
In addition, the event MAY include the following tags:
- `e` is an optional hex-encoded event id. Clients MUST include this if zapping an event rather than a person.
- `a` is an optional event coordinate that allows tipping parameterized replaceable events such as NIP-23 long-form notes.
- `a` is an optional event coordinate that allows tipping addressable events such as NIP-23 long-form notes.
Example:
@ -131,7 +131,7 @@ The following should be true of the `zap receipt` event:
- The `created_at` date SHOULD be set to the invoice `paid_at` date for idempotency.
- `tags` MUST include the `p` tag (zap recipient) AND optional `e` tag from the `zap request` AND optional `a` tag from the `zap request` AND optional `P` tag from the pubkey of the zap request (zap sender).
- The `zap receipt` MUST have a `bolt11` tag containing the description hash bolt11 invoice.
- The `zap receipt` MUST contain a `description` tag which is the JSON-encoded invoice description.
- The `zap receipt` MUST contain a `description` tag which is the JSON-encoded zap request.
- `SHA256(description)` MUST match the description hash in the bolt11 invoice.
- The `zap receipt` MAY contain a `preimage` tag to match against the payment hash of the bolt11 invoice. This isn't really a payment proof, there is no real way to prove that the invoice is real or has been paid. You are trusting the author of the `zap receipt` for the legitimacy of the payment.
@ -171,7 +171,7 @@ A client can retrieve `zap receipt`s on events and pubkeys using a NIP-01 filter
When an event includes one or more `zap` tags, clients wishing to zap it SHOULD calculate the lnurl pay request based on the tags value instead of the event author's profile field. The tag's second argument is the `hex` string of the receiver's pub key and the third argument is the relay to download the receiver's metadata (Kind-0). An optional fourth parameter specifies the weight (a generalization of a percentage) assigned to the respective receiver. Clients should parse all weights, calculate a sum, and then a percentage to each receiver. If weights are not present, CLIENTS should equally divide the zap amount to all receivers. If weights are only partially present, receivers without a weight should not be zapped (`weight = 0`).
```js
```jsonc
{
"tags": [
[ "zap", "82341f882b6eabcd2ba7f1ef90aad961cf074af15b9ef44a09f9d2a8fbfbe6a2", "wss://nostr.oxtr.dev", "1" ], // 25%

20
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@ -9,7 +9,7 @@ Badges
Three special events are used to define, award and display badges in
user profiles:
1. A "Badge Definition" event is defined as a parameterized replaceable event with kind `30009` having a `d` tag with a value that uniquely identifies the badge (e.g. `bravery`) published by the badge issuer. Badge definitions can be updated.
1. A "Badge Definition" event is defined as an addressable event with kind `30009` having a `d` tag with a value that uniquely identifies the badge (e.g. `bravery`) published by the badge issuer. Badge definitions can be updated.
2. A "Badge Award" event is a kind `8` event with a single `a` tag referencing a "Badge Definition" event and one or more `p` tags, one for each pubkey the badge issuer wishes to award. Awarded badges are immutable and non-transferrable.
@ -74,7 +74,7 @@ Clients SHOULD attempt to render the most appropriate badge thumbnail according
### Example of a Badge Definition event
```json
```jsonc
{
"pubkey": "alice",
"kind": 30009,
@ -83,15 +83,15 @@ Clients SHOULD attempt to render the most appropriate badge thumbnail according
["name", "Medal of Bravery"],
["description", "Awarded to users demonstrating bravery"],
["image", "https://nostr.academy/awards/bravery.png", "1024x1024"],
["thumb", "https://nostr.academy/awards/bravery_256x256.png", "256x256"],
["thumb", "https://nostr.academy/awards/bravery_256x256.png", "256x256"]
],
...
// other fields...
}
```
### Example of Badge Award event
```json
```jsonc
{
"id": "<badge award event id>",
"kind": 8,
@ -99,16 +99,16 @@ Clients SHOULD attempt to render the most appropriate badge thumbnail according
"tags": [
["a", "30009:alice:bravery"],
["p", "bob", "wss://relay"],
["p", "charlie", "wss://relay"],
["p", "charlie", "wss://relay"]
],
...
// other fields...
}
```
### Example of a Profile Badges event
Honorable Bob The Brave:
```json
```jsonc
{
"kind": 30008,
"pubkey": "bob",
@ -117,8 +117,8 @@ Honorable Bob The Brave:
["a", "30009:alice:bravery"],
["e", "<bravery badge award event id>", "wss://nostr.academy"],
["a", "30009:alice:honor"],
["e", "<honor badge award event id>", "wss://nostr.academy"],
["e", "<honor badge award event id>", "wss://nostr.academy"]
],
...
// other fields...
}
```

6
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@ -41,7 +41,7 @@ A `seal` is a `kind:13` event that wraps a `rumor` with the sender's regular key
to a receiver's pubkey but there is no `p` tag pointing to the receiver. There is no way to know who the rumor is for
without the receiver's or the sender's private key. The only public information in this event is who is signing it.
```js
```json
{
"id": "<id>",
"pubkey": "<real author's pubkey>",
@ -60,7 +60,7 @@ Tags MUST must always be empty in a `kind:13`. The inner event MUST always be un
A `gift wrap` event is a `kind:1059` event that wraps any other event. `tags` SHOULD include any information
needed to route the event to its intended recipient, including the recipient's `p` tag or [NIP-13](13.md) proof of work.
```js
```json
{
"id": "<id>",
"pubkey": "<random, one-time-use pubkey>",
@ -155,7 +155,7 @@ Sign the `gift wrap` using the random key generated in the previous step.
"created_at": 1703021488,
"pubkey": "18b1a75918f1f2c90c23da616bce317d36e348bcf5f7ba55e75949319210c87c",
"id": "5c005f3ccf01950aa8d131203248544fb1e41a0d698e846bd419cec3890903ac",
"sig": "35fabdae4634eb630880a1896a886e40fd6ea8a60958e30b89b33a93e6235df750097b04f9e13053764251b8bc5dd7e8e0794a3426a90b6bcc7e5ff660f54259"
"sig": "35fabdae4634eb630880a1896a886e40fd6ea8a60958e30b89b33a93e6235df750097b04f9e13053764251b8bc5dd7e8e0794a3426a90b6bcc7e5ff660f54259",
"tags": [["p", "166bf3765ebd1fc55decfe395beff2ea3b2a4e0a8946e7eb578512b555737c99"]],
}
```

146
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@ -0,0 +1,146 @@
NIP-64
======
Chess (Portable Game Notation)
------------------------------
`draft` `optional`
This NIP defines `kind:64` notes representing chess games in [PGN][pgn_specification] format, which can be read by humans and is also supported by most chess software.
## Note
### Content
The `.content` of these notes is a string representing a [PGN-database][pgn_formal_syntax].
### Notes
```jsonc
{
"kind": 64,
"content": "1. e4 *",
// other fields...
}
```
```jsonc
{
"kind": 64,
"tags": [
["alt", "Fischer vs. Spassky in Belgrade on 1992-11-04 (F/S Return Match, Round 29)"],
// rest of tags...
],
"content": "[Event \"F/S Return Match\"]\n[Site \"Belgrade, Serbia JUG\"]\n[Date \"1992.11.04\"]\n[Round \"29\"]\n[White \"Fischer, Robert J.\"]\n[Black \"Spassky, Boris V.\"]\n[Result \"1/2-1/2\"]\n\n1. e4 e5 2. Nf3 Nc6 3. Bb5 {This opening is called the Ruy Lopez.} 3... a6\n4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7\n11. c4 c6 12. cxb5 axb5 13. Nc3 Bb7 14. Bg5 b4 15. Nb1 h6 16. Bh4 c5 17. dxe5\nNxe4 18. Bxe7 Qxe7 19. exd6 Qf6 20. Nbd2 Nxd6 21. Nc4 Nxc4 22. Bxc4 Nb6\n23. Ne5 Rae8 24. Bxf7+ Rxf7 25. Nxf7 Rxe1+ 26. Qxe1 Kxf7 27. Qe3 Qg5 28. Qxg5\nhxg5 29. b3 Ke6 30. a3 Kd6 31. axb4 cxb4 32. Ra5 Nd5 33. f3 Bc8 34. Kf2 Bf5\n35. Ra7 g6 36. Ra6+ Kc5 37. Ke1 Nf4 38. g3 Nxh3 39. Kd2 Kb5 40. Rd6 Kc5 41. Ra6\nNf2 42. g4 Bd3 43. Re6 1/2-1/2",
// other fields...
}
```
## Client Behavior
Clients SHOULD display the content represented as chessboard.
Clients SHOULD publish PGN notes in ["export format"][pgn_export_format] ("strict mode", i.e. created by machines) but expect incoming notes to be in ["import format"][pgn_import_format] ("lax mode", i.e. created by humans).
Clients SHOULD check whether the formatting is valid and all moves comply with chess rules.
Clients MAY include additional tags (e.g. like [`"alt"`](https://github.com/nostr-protocol/nips/blob/master/31.md)) in order to represent the note to users of non-supporting clients.
## Relay Behavior
Relays MAY validate PGN contents and reject invalid notes.
## Examples
```pgn
// A game where nothing is known. Game still in progress, game abandoned, or result otherwise unknown.
// Maybe players died before a move has been made.
*
```
```pgn
1. e4 *
```
```pgn
[White "Fischer, Robert J."]
[Black "Spassky, Boris V."]
1. e4 e5 2. Nf3 Nc6 3. Bb5 {This opening is called the Ruy Lopez.} *
```
```pgn
[Event "F/S Return Match"]
[Site "Belgrade, Serbia JUG"]
[Date "1992.11.04"]
[Round "29"]
[White "Fischer, Robert J."]
[Black "Spassky, Boris V."]
[Result "1/2-1/2"]
1. e4 e5 2. Nf3 Nc6 3. Bb5 {This opening is called the Ruy Lopez.} 3... a6
4. Ba4 Nf6 5. O-O Be7 6. Re1 b5 7. Bb3 d6 8. c3 O-O 9. h3 Nb8 10. d4 Nbd7
11. c4 c6 12. cxb5 axb5 13. Nc3 Bb7 14. Bg5 b4 15. Nb1 h6 16. Bh4 c5 17. dxe5
Nxe4 18. Bxe7 Qxe7 19. exd6 Qf6 20. Nbd2 Nxd6 21. Nc4 Nxc4 22. Bxc4 Nb6
23. Ne5 Rae8 24. Bxf7+ Rxf7 25. Nxf7 Rxe1+ 26. Qxe1 Kxf7 27. Qe3 Qg5 28. Qxg5
hxg5 29. b3 Ke6 30. a3 Kd6 31. axb4 cxb4 32. Ra5 Nd5 33. f3 Bc8 34. Kf2 Bf5
35. Ra7 g6 36. Ra6+ Kc5 37. Ke1 Nf4 38. g3 Nxh3 39. Kd2 Kb5 40. Rd6 Kc5 41. Ra6
Nf2 42. g4 Bd3 43. Re6 1/2-1/2
```
```pgn
[Event "Hourly HyperBullet Arena"]
[Site "https://lichess.org/wxx4GldJ"]
[Date "2017.04.01"]
[White "T_LUKE"]
[Black "decidement"]
[Result "1-0"]
[UTCDate "2017.04.01"]
[UTCTime "11:56:14"]
[WhiteElo "2047"]
[BlackElo "1984"]
[WhiteRatingDiff "+10"]
[BlackRatingDiff "-7"]
[Variant "Standard"]
[TimeControl "30+0"]
[ECO "B00"]
[Termination "Abandoned"]
1. e4 1-0
[Event "Hourly HyperBullet Arena"]
[Site "https://lichess.org/rospUdSk"]
[Date "2017.04.01"]
[White "Bastel"]
[Black "oslochess"]
[Result "1-0"]
[UTCDate "2017.04.01"]
[UTCTime "11:55:56"]
[WhiteElo "2212"]
[BlackElo "2000"]
[WhiteRatingDiff "+6"]
[BlackRatingDiff "-4"]
[Variant "Standard"]
[TimeControl "30+0"]
[ECO "A01"]
[Termination "Normal"]
1. b3 d5 2. Bb2 c6 3. Nc3 Bf5 4. d4 Nf6 5. e3 Nbd7 6. f4 Bg6 7. Nf3 Bh5 8. Bd3 e6 9. O-O Be7 10. Qe1 O-O 11. Ne5 Bg6 12. Nxg6 hxg6 13. e4 dxe4 14. Nxe4 Nxe4 15. Bxe4 Nf6 16. c4 Bd6 17. Bc2 Qc7 18. f5 Be7 19. fxe6 fxe6 20. Qxe6+ Kh8 21. Qh3+ Kg8 22. Bxg6 Qd7 23. Qe3 Bd6 24. Bf5 Qe7 25. Be6+ Kh8 26. Qh3+ Nh7 27. Bf5 Rf6 28. Qxh7# 1-0
```
## Resources
- [PGN Specification][pgn_specification]: PGN (Portable Game Notation) specification
- [PGN Specification Supplement](https://github.com/mliebelt/pgn-spec-commented/blob/main/pgn-spec-supplement.md): Addition for adding graphical elements, clock values, eval, ...
- [PGN Formal Syntax][pgn_formal_syntax]
- [PGN Seven Tag Roster][pgn_seven_tag_roster]
- [PGN Import Format][pgn_import_format]
- [PGN Export Format][pgn_export_format]
- [lichess / pgn-viewer (GitHub)](https://github.com/lichess-org/pgn-viewer): PGN viewer widget, designed to be embedded in content pages
[pgn_specification]: https://github.com/mliebelt/pgn-spec-commented/blob/main/pgn-specification.md
[pgn_formal_syntax]: https://github.com/mliebelt/pgn-spec-commented/blob/main/pgn-specification.md#18-formal-syntax
[pgn_seven_tag_roster]: https://github.com/mliebelt/pgn-spec-commented/blob/main/pgn-specification.md#811-seven-tag-roster
[pgn_import_format]: https://github.com/mliebelt/pgn-spec-commented/blob/main/pgn-specification.md#31-import-format-allows-for-manually-prepared-data
[pgn_export_format]: https://github.com/mliebelt/pgn-spec-commented/blob/main/pgn-specification.md#32-export-format-used-for-program-generated-output

10
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@ -12,7 +12,7 @@ The event MUST include a list of `r` tags with relay URIs and a `read` or `write
The `.content` is not used.
```json
```jsonc
{
"kind": 10002,
"tags": [
@ -22,7 +22,7 @@ The `.content` is not used.
["r", "wss://nostr-relay.example.com", "read"]
],
"content": "",
...other fields
// other fields...
}
```
@ -37,7 +37,7 @@ When seeking events **about** a user, where the user was tagged, Clients SHOULD
When broadcasting an event, Clients SHOULD:
- Broadcast the event to the WRITE relays of the author
- Broadcast the event all READ relays of each tagged user
- Broadcast the event to all READ relays of each tagged user
## Motivation
@ -62,3 +62,7 @@ This NIP allows Clients to connect directly with the most up-to-date relay set f
5. If a relay signals support for this NIP in their [NIP-11](11.md) document that means they're willing to accept kind 10002 events from a broad range of users, not only their paying customers or whitelisted group.
6. Clients SHOULD deduplicate connections by normalizing relay URIs according to [RFC 3986](https://datatracker.ietf.org/doc/html/rfc3986#section-6).
## Related articles
- [Outbox model](https://mikedilger.com/gossip-model/)
- [What is the Outbox Model?](https://habla.news/u/hodlbod@coracle.social/8YjqXm4SKY-TauwjOfLXS)

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@ -0,0 +1,45 @@
NIP-70
======
Protected Events
----------------
`draft` `optional`
When the `"-"` tag is present, that means the event is "protected".
A protected event is an event that can only be published to relays by its author. This is achieved by relays ensuring that the author is [authenticated](42.md) before publishing their own events or by just rejecting events with `["-"]` outright.
The default behavior of a relay MUST be to reject any event that contains `["-"]`.
Relays that want to accept such events MUST first require that the client perform the [NIP-42](42.md) `AUTH` flow and then check if the authenticated client has the same pubkey as the event being published and only accept the event in that case.
## The tag
The tag is a simple tag with a single item: `["-"]`. It may be added to any event.
## Example flow
- User `79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798` connects to relay `wss://example.com`:
```jsonc
/* client: */
["EVENT",{"id":"cb8feca582979d91fe90455867b34dbf4d65e4b86e86b3c68c368ca9f9eef6f2","pubkey":"79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798","created_at":1707409439,"kind":1,"tags":[["-"]],"content":"hello members of the secret group","sig":"fa163f5cfb75d77d9b6269011872ee22b34fb48d23251e9879bb1e4ccbdd8aaaf4b6dc5f5084a65ef42c52fbcde8f3178bac3ba207de827ec513a6aa39fa684c"}]
/* relay: */
["AUTH", "<challenge>"]
["OK", "cb8feca582979d91fe90455867b34dbf4d65e4b86e86b3c68c368ca9f9eef6f2", false, "auth-required: this event may only be published by its author"]
/* client: */
["AUTH", {}]
["EVENT",{"id":"cb8feca582979d91fe90455867b34dbf4d65e4b86e86b3c68c368ca9f9eef6f2","pubkey":"79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798","created_at":1707409439,"kind":1,"tags":[["-"]],"content":"hello members of the secret group","sig":"fa163f5cfb75d77d9b6269011872ee22b34fb48d23251e9879bb1e4ccbdd8aaaf4b6dc5f5084a65ef42c52fbcde8f3178bac3ba207de827ec513a6aa39fa684c"}]
["OK", "cb8feca582979d91fe90455867b34dbf4d65e4b86e86b3c68c368ca9f9eef6f2", true, ""]
```
## Why
There are multiple circumstances in which it would be beneficial to prevent the unlimited spreading of an event through all relays imaginable and restrict some to only a certain demographic or to a semi-closed community relay. Even when the information is public it may make sense to keep it compartimentalized across different relays.
It's also possible to create closed access feeds with this when the publisher has some relationship with the relay and trusts the relay to not release their published events to anyone.
Even though it's ultimately impossible to restrict the spread of information on the internet (for example, one of the members of the closed group may want to take an event intended to be restricted and republish it to other relays), most relays would be happy to not facilitate the acts of these so-called "pirates", in respect to the original decision of the author and therefore gladly reject these republish acts if given the means to.
This NIP gives these authors and relays the means to clearly signal when a given event is not intended to be republished by third parties.

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@ -0,0 +1,118 @@
NIP-71
======
Video Events
------------
`draft` `optional`
This specification defines video events representing a dedicated post of externally hosted content. These video events are _addressable_ and delete-requestable per [NIP-09](09.md).
Unlike a `kind 1` event with a video attached, Video Events are meant to contain all additional metadata concerning the subject media and to be surfaced in video-specific clients rather than general micro-blogging clients. The thought is for events of this kind to be referenced in a Netflix, YouTube, or TikTok like nostr client where the video itself is at the center of the experience.
## Video Events
There are two types of video events represented by different kinds: horizontal and vertical video events. This is meant to allow clients to cater to each as the viewing experience for horizontal (landscape) videos is often different than that of vertical (portrait) videos (Stories, Reels, Shorts, etc).
#### Format
The format uses a parameterized replaceable event kind `34235` for horizontal videos and `34236` for vertical videos.
The `.content` of these events is a summary or description on the video content.
The list of tags are as follows:
* `d` (required) universally unique identifier (UUID). Generated by the client creating the video event.
* `url` (required) the url to the video file
* `m` a string indicating the data type of the file. The [MIME types](https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/MIME_types/Common_types) format must be used, and they should be lowercase.
* `title` (required) title of the video
* `"published_at"`, for the timestamp in unix seconds (stringified) of the first time the video was published
* `x` containing the SHA-256 hexencoded string of the file.
* `size` (optional) size of file in bytes
* `dim` (optional) size of file in pixels in the form `<width>x<height>`
* `duration` (optional) video duration in seconds
* `magnet` (optional) URI to magnet file
* `i` (optional) torrent infohash
* `text-track` (optional, repeated) link to WebVTT file for video, type of supplementary information (captions/subtitles/chapters/metadata), optional language code
* `thumb` (optional) url of thumbnail with same aspect ratio
* `image` (optional) url of preview image with same dimensions
* `content-warning` (optional) warning about content of NSFW video
* `alt` (optional) description for accessibility
* `segment` (optional, repeated) start timestamp in format `HH:MM:SS.sss`, end timestamp in format `HH:MM:SS.sss`, chapter/segment title, chapter thumbnail-url
* `t` (optional, repeated) hashtag to categorize video
* `p` (optional, repeated) 32-bytes hex pubkey of a participant in the video, optional recommended relay URL
* `r` (optional, repeated) references / links to web pages
```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>,
"kind": 34235 | 34236,
"content": "<summary / description of video>",
"tags": [
["d", "<UUID>"],
["title", "<title of video>"],
["thumb", "<thumbnail image for video>"],
["published_at", "<unix timestamp>"],
["alt", <description>],
// Video Data
["url",<string with URI of file>],
["m", <MIME type>],
["x",<Hash SHA-256>],
["size", <size of file in bytes>],
["duration", <duration of video in seconds>],
["dim", <size of file in pixels>],
["magnet",<magnet URI> ],
["i",<torrent infohash>],
["text-track", "<encoded `kind 6000` event>", "<recommended relay urls>"],
["content-warning", "<reason>"],
["segment", <start>, <end>, "<title>", "<thumbnail URL>"],
// Participants
["p", "<32-bytes hex of a pubkey>", "<optional recommended relay URL>"],
["p", "<32-bytes hex of a pubkey>", "<optional recommended relay URL>"],
// Hashtags
["t", "<tag>"],
["t", "<tag>"],
// Reference links
["r", "<url>"],
["r", "<url>"]
]
}
```
## Video View
A video event view is a response to a video event to track a user's view or progress viewing the video.
### Format
The format uses a parameterized replaceable event kind `34237`.
The `.content` of these events is optional and could be a free-form note that acts like a bookmark for the user.
The list of tags are as follows:
* `a` (required) reference tag to kind `34235` or `34236` video event being viewed
* `d` (required) same as `a` reference tag value
* `viewed` (optional, repeated) timestamp of the user's start time in seconds, timestamp of the user's end time in seconds
```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>,
"kind": 34237,
"content": "<note>",
"tags": [
["a", "<34235 | 34236>:<video event author pubkey>:<d-identifier of video event>", "<optional relay url>"],
["e", "<event-id", "<relay-url>"]
["d", "<34235 | 34236>:<video event author pubkey>:<d-identifier of video event>"],
["viewed", <start>, <end>],
]
}
```

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@ -6,11 +6,11 @@ Moderated Communities (Reddit Style)
`draft` `optional`
The goal of this NIP is to create moderator-approved public communities around a topic. It defines the replaceable event `kind:34550` to define the community and the current list of moderators/administrators. Users that want to post into the community, simply tag any Nostr event with the community's `a` tag. Moderators issue an approval event `kind:4550` that links the community with the new post.
The goal of this NIP is to enable public communities. It defines the replaceable event `kind:34550` to define the community and the current list of moderators/administrators. Users that want to post into the community, simply tag any Nostr event with the community's `a` tag. Moderators may issue an approval event `kind:4550`.
# Community Definition
`kind:34550` SHOULD include any field that helps define the community and the set of moderators. `relay` tags MAY be used to describe the preferred relay to download requests and approvals.
`Kind:34550` SHOULD include any field that helps define the community and the set of moderators. `relay` tags MAY be used to describe the preferred relay to download requests and approvals. A community definition event's `d` tag MAY double as its name, but if a `name` tag is provided, it SHOULD be displayed instead of the `d` tag.
```jsonc
{
@ -18,6 +18,7 @@ The goal of this NIP is to create moderator-approved public communities around a
"kind": 34550,
"tags": [
["d", "<community-d-identifier>"],
["name", "<Community name>"],
["description", "<Community description>"],
["image", "<Community image url>", "<Width>x<Height>"],
@ -34,13 +35,13 @@ The goal of this NIP is to create moderator-approved public communities around a
["relay", "<relay where to send and receive approvals>", "approvals"],
["relay", "<relay where to post requests to and fetch approvals from>"]
],
...
// other fields...
}
```
# New Post Request
# Posting to a community
Any Nostr event can be submitted to a community by anyone for approval. Clients MUST add the community's `a` tag to the new post event in order to be presented for the moderator's approval.
Any Nostr event can be posted to a community. Clients MUST add one or more community `a` tags, each with a recommended relay.
```jsonc
{
@ -49,15 +50,19 @@ Any Nostr event can be submitted to a community by anyone for approval. Clients
["a", "34550:<community event author pubkey>:<community-d-identifier>", "<optional-relay-url>"],
],
"content": "hello world",
// ...
// other fields...
}
```
Community management clients MAY filter all mentions to a given `kind:34550` event and request moderators to approve each submission. Moderators MAY delete his/her approval of a post at any time using event deletions (See [NIP-09](09.md)).
# Moderation
# Post Approval by moderators
Anyone may issue an approval event to express their opinion that a post is appropriate for a community. Clients MAY choose which approval events to honor, but SHOULD at least use ones published by the group's defined moderators.
The post-approval event MUST include `a` tags of the communities the moderator is posting into (one or more), the `e` tag of the post and `p` tag of the author of the post (for approval notifications). The event SHOULD also include the stringified `post request` event inside the `.content` ([NIP-18-style](18.md)) and a `k` tag with the original post's event kind to allow filtering of approved posts by kind.
An approval event MUST include one or more community `a` tags, an `e` or `a` tag pointing to the post, and the `p` tag of the author of the post (for approval notifications). `a` tag prefixes can be used to disambiguate between community and replaceable event pointers (community `a` tags always begin with `34550`).
The event SHOULD also include the JSON-stringified `post request` event inside the `.content`, and a `k` tag with the original post's event kind to allow filtering of approved posts by kind.
Moderators MAY request deletion of their approval of a post at any time using [NIP-09 event deletion requests](09.md).
```jsonc
{
@ -70,32 +75,22 @@ The post-approval event MUST include `a` tags of the communities the moderator i
["k", "<post-request-kind>"]
],
"content": "<the full approved event, JSON-encoded>",
// ...
// other fields...
}
```
It's recommended that multiple moderators approve posts to avoid deleting them from the community when a moderator is removed from the owner's list. In case the full list of moderators must be rotated, the new moderator set must sign new approvals for posts in the past or the community will restart. The owner can also periodically copy and re-sign of each moderator's approval events to make sure posts don't disappear with moderators.
Post Approvals of replaceable events can be created in three ways: (i) by tagging the replaceable event as an `e` tag if moderators want to approve each individual change to the repleceable event; (ii) by tagging the replaceable event as an `a` tag if the moderator authorizes the replaceable event author to make changes without additional approvals and (iii) by tagging the replaceable event with both its `e` and `a` tag which empowers clients to display the original and updated versions of the event, with appropriate remarks in the UI. Since relays are instructed to delete old versions of a replaceable event, the `.content` of an `e`-approval MUST have the specific version of the event or Clients might not be able to find that version of the content anywhere.
Approvals of replaceable events can be created in three ways:
Clients SHOULD evaluate any non-`34550:*` `a` tag as posts to be included in all `34550:*` `a` tags.
1. By tagging the replaceable event as an `e` tag if moderators want to approve each individual change to the replaceable event
2. By tagging the replaceable event as an `a` tag if the moderator authorizes the replaceable event author to make changes without additional approvals and
3. By tagging the replaceable event with both its `e` and `a` tag which empowers clients to display the original and updated versions of the event, with appropriate remarks in the UI.
# Displaying
Since relays are instructed to delete old versions of a replaceable event, the `content` of an approval using an `e` tag MUST have the specific version of the event or clients might not be able to find that version of the content anywhere.
Community clients SHOULD display posts that have been approved by at least 1 moderator or by the community owner.
Clients SHOULD evaluate any non-`34550:*` `a` tag as posts to be approved for all `34550:*` `a` tags.
The following filter displays the approved posts.
# Cross-posting
```json
[
"REQ",
"_",
{
"authors": ["<owner-pubkey>", "<moderator1-pubkey>", "<moderator2-pubkey>", "<moderator3-pubkey>", ...],
"kinds": [4550],
"#a": ["34550:<Community event author pubkey>:<d-identifier of the community>"],
}
]
```
Clients MAY hide approvals by blocked moderators at the user's request.
Clients MAY support cross-posting between communities by posting a NIP 18 `kind 6` or `kind 16` repost to one or more communities using `a` tags as described above. The `content` of the repost MUST be the original event, not the approval event.

48
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@ -0,0 +1,48 @@
NIP-73
======
External Content IDs
--------------------
`draft` `optional`
There are certain established global content identifiers that would be useful to reference in nostr events so that clients can query all events assosiated with these ids.
- Book [ISBNs](https://en.wikipedia.org/wiki/ISBN)
- Podcast [GUIDs](https://podcastnamespace.org/tag/guid)
- Movie [ISANs](https://en.wikipedia.org/wiki/International_Standard_Audiovisual_Number)
Since the `i` tag is already used for similar references in kind-0 metadata events it makes sense to use it for these content ids as well.
## Supported IDs
### Books:
- Book ISBN: `["i", "isbn:9780765382030"]` - https://isbnsearch.org/isbn/9780765382030
Book ISBNs MUST be referenced _**without hyphens**_ as many book search APIs return the ISBNs without hyphens. Removing hypens from ISBNs is trivial, whereas adding the hyphens back in is non-trivial requiring a library.
### Podcasts:
- Podcast RSS Feed GUID: `["i", "podcast:guid:c90e609a-df1e-596a-bd5e-57bcc8aad6cc"]` - https://podcastindex.org/podcast/c90e609a-df1e-596a-bd5e-57bcc8aad6cc
- Podcast RSS Item GUID: `["i", "podcast:item:guid:d98d189b-dc7b-45b1-8720-d4b98690f31f"]`
- Podcast RSS Publisher GUID: `["i", "podcast:publisher:guid:18bcbf10-6701-4ffb-b255-bc057390d738"]`
### Movies:
- Movie ISAN: `["i", "isan:0000-0000-401A-0000-7"]` - https://web.isan.org/public/en/isan/0000-0000-401A-0000-7
Movie ISANs SHOULD be referenced _**without the version part**_ as the versions / edits of movies are not relevant. More info on ISAN parts here - https://support.isan.org/hc/en-us/articles/360002783131-Records-relations-and-hierarchies-in-the-ISAN-Registry
---
### Optional URL Hints
Each `i` tag MAY have a url hint as the second argument to redirect people to a website if the client isn't opinionated about how to interpret the id:
`["i", "podcast:item:guid:d98d189b-dc7b-45b1-8720-d4b98690f31f", https://fountain.fm/episode/z1y9TMQRuqXl2awyrQxg]`
`["i", "isan:0000-0000-401A-0000-7", https://www.imdb.com/title/tt0120737]`

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@ -21,15 +21,16 @@ The following tags are defined as REQUIRED.
Example event:
```json
```jsonc
{
"kind": 9041,
"tags": [
["relays", "wss://alicerelay.example.com", "wss://bobrelay.example.com", ...],
["relays", "wss://alicerelay.example.com", "wss://bobrelay.example.com", /*...*/],
["amount", "210000"],
],
"content": "Nostrasia travel expenses",
...
// other fields...
}
```
The following tags are OPTIONAL.
@ -38,36 +39,35 @@ The following tags are OPTIONAL.
- `image` - an image for the goal
- `summary` - a brief description
```json
```jsonc
{
"kind": 9041,
"tags": [
["relays", "wss://alicerelay.example.com", "wss://bobrelay.example.com", ...],
["relays", "wss://alicerelay.example.com", "wss://bobrelay.example.com", /*...*/],
["amount", "210000"],
["closed_at", "<unix timestamp in seconds>"],
["image", "<image URL>"],
["summary", "<description of the goal>"],
],
"content": "Nostrasia travel expenses",
...
// other fields...
}
```
The goal MAY include an `r` or `a` tag linking to a URL or parameterized replaceable event.
The goal MAY include an `r` or `a` tag linking to a URL or addressable event.
The goal MAY include multiple beneficiary pubkeys by specifying [`zap` tags](57.md#appendix-g-zap-tag-on-other-events).
Parameterized replaceable events can link to a goal by using a `goal` tag specifying the event id and an optional relay hint.
Addressable events can link to a goal by using a `goal` tag specifying the event id and an optional relay hint.
```json
```jsonc
{
...
"kind": 3xxxx,
"tags": [
...
["goal", "<event id>", "<Relay URL (optional)>"],
// rest of tags...
],
...
// other fields...
}
```

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@ -12,7 +12,7 @@ Even though interoperability is great, some apps do not want or do not need inte
## Nostr event
This NIP specifies the use of event kind `30078` (parameterized replaceable event) with a `d` tag containing some reference to the app name and context -- or any other arbitrary string. `content` and other `tags` can be anything or in any format.
This NIP specifies the use of event kind `30078` (an _addressable_ event) with a `d` tag containing some reference to the app name and context -- or any other arbitrary string. `content` and other `tags` can be anything or in any format.
## Some use cases

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@ -26,14 +26,14 @@ useful when highlighting non-nostr content for which the client might be able to
(e.g. prompting the user or reading a `<meta name="nostr:nprofile1..." />` tag on the document). A role MAY be included as the
last value of the tag.
```json
```jsonc
{
"tags": [
["p", "<pubkey-hex>", "<relay-url>", "author"],
["p", "<pubkey-hex>", "<relay-url>", "author"],
["p", "<pubkey-hex>", "<relay-url>", "editor"]
],
...
// other fields...
}
```

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@ -27,7 +27,7 @@ There are three actors to this workflow:
## Events
### Recommendation event
```json
```jsonc
{
"kind": 31989,
"pubkey": <recommender-user-pubkey>,
@ -35,7 +35,8 @@ There are three actors to this workflow:
["d", <supported-event-kind>],
["a", "31990:app1-pubkey:<d-identifier>", "wss://relay1", "ios"],
["a", "31990:app2-pubkey:<d-identifier>", "wss://relay2", "web"]
]
],
// other fields...
}
```
@ -47,7 +48,7 @@ The second value of the tag SHOULD be a relay hint.
The third value of the tag SHOULD be the platform where this recommendation might apply.
## Handler information
```json
```jsonc
{
"kind": 31990,
"pubkey": "<application-pubkey>",
@ -59,7 +60,8 @@ The third value of the tag SHOULD be the platform where this recommendation migh
["web", "https://..../p/<bech32>", "nprofile"],
["web", "https://..../e/<bech32>"],
["ios", ".../<bech32>"]
]
],
// other fields...
}
```
@ -77,13 +79,13 @@ A tag without a second value in the array SHOULD be considered a generic handler
# Client tag
When publishing events, clients MAY include a `client` tag. Identifying the client that published the note. This tag is a tuple of `name`, `address` identifying a handler event and, a relay `hint` for finding the handler event. This has privacy implications for users, so clients SHOULD allow users to opt-out of using this tag.
```json
```jsonc
{
"kind": 1,
"tags": [
["client", "My Client", "31990:app1-pubkey:<d-identifier>", "wss://relay1"]
]
...
// other fields...
}
```
@ -99,14 +101,14 @@ The client MIGHT query for the user's and the user's follows handler.
### User A recommends a `kind:31337`-handler
User A might be a user of Zapstr, a `kind:31337`-centric client (tracks). Using Zapstr, user A publishes an event recommending Zapstr as a `kind:31337`-handler.
```json
```jsonc
{
"kind": 31989,
"tags": [
["d", "31337"],
["a", "31990:1743058db7078661b94aaf4286429d97ee5257d14a86d6bfa54cb0482b876fb0:abcd", <relay-url>, "web"]
],
...
// other fields...
}
```
@ -115,8 +117,8 @@ User B might see in their timeline an event referring to a `kind:31337` event (e
User B's client, not knowing how to handle a `kind:31337` might display the event using its `alt` tag (as described in NIP-31). When the user clicks on the event, the application queries for a handler for this `kind`:
```json
["REQ", <id>, '[{ "kinds": [31989], "#d": ["31337"], 'authors': [<user>, <users-contact-list>] }]']
```
["REQ", <id>, { "kinds": [31989], "#d": ["31337"], "authors": [<user>, <users-contact-list>] }]
```
User B, who follows User A, sees that `kind:31989` event and fetches the `a`-tagged event for the app and handler information.
@ -126,6 +128,6 @@ User B's client sees the application's `kind:31990` which includes the informati
### Alternative query bypassing `kind:31989`
Alternatively, users might choose to query directly for `kind:31990` for an event kind. Clients SHOULD be careful doing this and use spam-prevention mechanisms or querying high-quality restricted relays to avoid directing users to malicious handlers.
```json
["REQ", <id>, '[{ "kinds": [31990], "#k": [<desired-event-kind>], 'authors': [...] }]']
```
["REQ", <id>, { "kinds": [31990], "#k": [<desired-event-kind>], "authors": [...] }]
```

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@ -36,7 +36,7 @@ There are two actors in the workflow described in this NIP:
## Job request (`kind:5000-5999`)
A request to process data, published by a customer. This event signals that a customer is interested in receiving the result of some kind of compute.
```json
```jsonc
{
"kind": 5xxx, // kind in 5000-5999 range
"content": "",
@ -46,7 +46,8 @@ A request to process data, published by a customer. This event signals that a cu
[ "relays", "wss://..." ],
[ "bid", "<msat-amount>" ],
[ "t", "bitcoin" ]
]
],
// other fields...
}
```
@ -81,19 +82,18 @@ If the user wants to keep the input parameters a secret, they can encrypt the `i
["param", "top-p", "0.7"],
["param", "frequency_penalty", "1"]
]
```
This param data will be encrypted and added to the `content` field and `p` tag should be present
```json
```jsonc
{
"content": "BE2Y4xvS6HIY7TozIgbEl3sAHkdZoXyLRRkZv4fLPh3R7LtviLKAJM5qpkC7D6VtMbgIt4iNcMpLtpo...",
"tags": [
["p", "04f74530a6ede6b24731b976b8e78fb449ea61f40ff10e3d869a3030c4edc91f"],
["encrypted"]
],
...
// other fields...
}
```
@ -102,7 +102,7 @@ This param data will be encrypted and added to the `content` field and `p` tag s
Service providers publish job results, providing the output of the job result. They should tag the original job request event id as well as the customer's pubkey.
```json
```jsonc
{
"pubkey": "<service-provider pubkey>",
"content": "<payload>",
@ -114,7 +114,7 @@ Service providers publish job results, providing the output of the job result. T
["p", "<customer's-pubkey>"],
["amount", "requested-payment-amount", "<optional-bolt11>"]
],
...
// other fields...
}
```
@ -127,7 +127,7 @@ Service providers publish job results, providing the output of the job result. T
If the request has encrypted params, then output should be encrypted and placed in `content` field. If the output is encrypted, then avoid including `i` tag with input-data as clear text.
Add a tag encrypted to mark the output content as `encrypted`
```json
```jsonc
{
"pubkey": "<service-provider pubkey>",
"content": "<encrypted payload>",
@ -139,7 +139,7 @@ Add a tag encrypted to mark the output content as `encrypted`
["amount", "requested-payment-amount", "<optional-bolt11>"],
["encrypted"]
],
...
// other fields...
}
```
@ -147,7 +147,7 @@ Add a tag encrypted to mark the output content as `encrypted`
Service providers can give feedback about a job back to the customer.
```json
```jsonc
{
"kind": 7000,
"content": "<empty-or-payload>",
@ -157,13 +157,13 @@ Service providers can give feedback about a job back to the customer.
["e", "<job-request-id>", "<relay-hint>"],
["p", "<customer's-pubkey>"],
],
...
// other fields...
}
```
* `content`: Either empty or a job-result (e.g. for partial-result samples)
* `amount` tag: as defined in the [Job Result](#job-result) section.
* `status` tag: Service Providers SHOULD indicate what this feedback status refers to. [Appendix 1](#appendix-1-job-feedback-status) defines status. Extra human-readable information can be added as an extra argument.
* `amount` tag: as defined in the [Job Result](#job-result-kind6000-6999) section.
* `status` tag: Service Providers SHOULD indicate what this feedback status refers to. [Job Feedback Status](#job-feedback-status) defines status. Extra human-readable information can be added as an extra argument.
* NOTE: If the input params requires input to be encrypted, then `content` field will have encrypted payload with `p` tag as key.
@ -177,7 +177,7 @@ Service providers can give feedback about a job back to the customer.
| `success` | Service Provider successfully processed the job. |
| `partial` | Service Provider partially processed the job. The `.content` might include a sample of the partial results. |
Any job feedback event MIGHT include results in the `.content` field, as described in the [Job Result](#job-result) section. This is useful for service providers to provide a sample of the results that have been processed so far.
Any job feedback event MIGHT include results in the `.content` field, as described in the [Job Result](#job-result-kind6000-6999) section. This is useful for service providers to provide a sample of the results that have been processed so far.
# Protocol Flow
@ -199,7 +199,7 @@ Some service providers might choose to submit a `payment-required` as the first
It's not up to this NIP to define how individual vending machines should choose to run their business.
# Cancellation
A job request might be cancelled by publishing a `kind:5` delete request event tagging the job request event.
A job request might be canceled by publishing a `kind:5` delete request event tagging the job request event.
# Appendix 1: Job chaining
A Customer MAY request multiple jobs to be processed as a chain, where the output of a job is the input of another job. (e.g. podcast transcription -> summarization of the transcription). This is done by specifying as input an event id of a different job with the `job` type.
@ -211,7 +211,7 @@ This gives a higher level of flexibility to service providers (which sophisticat
# Appendix 2: Service provider discoverability
Service Providers MAY use NIP-89 announcements to advertise their support for job kinds:
```js
```jsonc
{
"kind": 31990,
"pubkey": "<pubkey>",
@ -223,7 +223,7 @@ Service Providers MAY use NIP-89 announcements to advertise their support for jo
["k", "5005"], // e.g. translation
["t", "bitcoin"] // e.g. optionally advertises it specializes in bitcoin audio transcription that won't confuse "Drivechains" with "Ridechains"
],
...
// other fields...
}
```

2
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@ -41,3 +41,5 @@ after the file is uploaded and included in the post.
When pasting URLs during post composition, the client MAY download the file
and add this metadata before the post is sent.
The client MAY ignore `imeta` tags that do not match the URL in the event content.

4
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@ -27,7 +27,7 @@ This NIP specifies the use of the `1063` event type, having in `content` a descr
* `alt` (optional) description for accessibility
* `fallback` (optional) zero or more fallback file sources in case `url` fails
```json
```jsonc
{
"kind": 1063,
"tags": [
@ -46,7 +46,7 @@ This NIP specifies the use of the `1063` event type, having in `content` a descr
["alt", <description>]
],
"content": "<caption>",
...
// other fields...
}
```

170
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@ -19,7 +19,7 @@ will not have to learn anything about nostr relays.
File storage servers wishing to be accessible by nostr users should opt-in by making available an https route at `/.well-known/nostr/nip96.json` with `api_url`:
```js
```jsonc
{
// Required
// File upload and deletion are served from this url
@ -59,7 +59,7 @@ File storage servers wishing to be accessible by nostr users should opt-in by ma
"file_expiration": [14, 90],
"media_transformations": {
"image": [
'resizing'
"resizing"
]
}
}
@ -82,66 +82,59 @@ it must use the "api_url" field instead.
### List of Supporting File Storage Servers
| Name | Domain |
| ------------- | ------------------------- |
| nostrcheck.me | https://nostrcheck.me |
| nostrage | https://nostrage.com |
| sove | https://sove.rent |
| nostr.build | https://nostr.build |
| sovbit | https://files.sovbit.host |
| void.cat | https://void.cat |
See https://github.com/aljazceru/awesome-nostr#nip-96-file-storage-servers.
## Auth
When indicated, `clients` must add an [NIP-98](98.md) `Authorization` header (**optionally** with the encoded `payload` tag set to the base64-encoded 256-bit SHA-256 hash of the file - not the hash of the whole request body).
## Upload
A file can be uploaded one at a time to `https://your-file-server.example/custom-api-path` (route from `https://your-file-server.example/.well-known/nostr/nip96.json` "api_url" field) as `multipart/form-data` content type using `POST` method with the file object set to the `file` form data field.
`POST $api_url` as `multipart/form-data`.
`Clients` must add an [NIP-98](98.md) `Authorization` header (**optionally** with the encoded `payload` tag set to the base64-encoded 256-bit SHA-256 hash of the file - not the hash of the whole request body).
If using an html form, use an `Authorization` form data field instead.
**AUTH required**
These following **optional** form data fields MAY be used by `servers` and SHOULD be sent by `clients`:
- `expiration`: string of the UNIX timestamp in seconds. Empty string if file should be stored forever. The server isn't required to honor this;
- `size`: string of the file byte size. This is just a value the server can use to reject early if the file size exceeds the server limits;
- `alt`: (recommended) strict description text for visibility-impaired users;
- `caption`: loose description;
- `media_type`: "avatar" or "banner". Informs the server if the file will be used as an avatar or banner. If absent, the server will interpret it as a normal upload, without special treatment;
List of form fields:
- `file`: **REQUIRED** the file to upload
- `caption`: **RECOMMENDED** loose description;
- `expiration`: UNIX timestamp in seconds. Empty string if file should be stored forever. The server isn't required to honor this.
- `size`: File byte size. This is just a value the server can use to reject early if the file size exceeds the server limits.
- `alt`: **RECOMMENDED** strict description text for visibility-impaired users.
- `media_type`: "avatar" or "banner". Informs the server if the file will be used as an avatar or banner. If absent, the server will interpret it as a normal upload, without special treatment.
- `content_type`: mime type such as "image/jpeg". This is just a value the server can use to reject early if the mime type isn't supported.
- `no_transform`: "true" asks server not to transform the file and serve the uploaded file as is, may be rejected.
Others custom form data fields may be used depending on specific `server` support.
The `server` isn't required to store any metadata sent by `clients`.
Note for `clients`: if using an HTML form, it is important for the `file` form field to be the **last** one, or be re-ordered right before sending or be appended as the last field of XHR2's FormData object.
The `filename` embedded in the file may not be honored by the `server`, which could internally store just the SHA-256 hash value as the file name, ignoring extra metadata.
The hash is enough to uniquely identify a file, that's why it will be used on the "download" and "delete" routes.
The hash is enough to uniquely identify a file, that's why it will be used on the `download` and `delete` routes.
The `server` MUST link the user's `pubkey` string (which is embedded in the decoded header value) as the owner of the file so to later allow them to delete the file.
Note that if a file with the same hash of a previously received file (so the same file) is uploaded by another user, the server doesn't need to store the new file.
It should just add the new user's `pubkey` to the list of the owners of the already stored file with said hash (if it wants to save space by keeping just one copy of the same file, because multiple uploads of the same file results in the same file hash).
The `server` MUST link the user's `pubkey` string as the owner of the file so to later allow them to delete the file.
The `server` MAY also store the `Authorization` header/field value (decoded or not) for accountability purpose as this proves that the user with the unique pubkey did ask for the upload of the file with a specific hash. However, storing the pubkey is sufficient to establish ownership.
`no_transform` can be used to replicate a file to multiple servers for redundancy, clients can use the [server list](#selecting-a-server) to find alternative servers which might contain the same file. When uploading a file and requesting `no_transform` clients should check that the hash matches in the response in order to detect if the file was modified.
The `server` MUST reject with 413 Payload Too Large if file size exceeds limits.
### Response codes
The `server` MUST reject with 400 Bad Request status if some fields are invalid.
The `server` MUST reply to the upload with 200 OK status if the `payload` tag value contains an already used SHA-256 hash (if file is already owned by the same pubkey) or reject the upload with 403 Forbidden status if it isn't the same of the received file.
The `server` MAY reject the upload with 402 Payment Required status if the user has a pending payment (Payment flow is not strictly required. Server owners decide if the storage is free or not. Monetization schemes may be added later to correlated NIPs.).
On successful uploads the `server` MUST reply with **201 Created** HTTP status code or **202 Accepted** if a `processing_url` field is added
to the response so that the `client` can follow the processing status (see [Delayed Processing](#delayed-processing) section).
- `200 OK`: File upload exists, but is successful (Existing hash)
- `201 Created`: File upload successful (New hash)
- `202 Accepted`: File upload is awaiting processing, see [Delayed Processing](#delayed-processing) section
- `413 Payload Too Large`: File size exceeds limit
- `400 Bad Request`: Form data is invalid or not supported.
- `403 Forbidden`: User is not allowed to upload or the uploaded file hash didnt match the hash included in the `Authorization` header `payload` tag.
- `402 Payment Required`: Payment is required by the server, **this flow is undefined**.
The upload response is a json object as follows:
```js
```jsonc
{
// "success" if successful or "error" if not
status: "success",
"status": "success",
// Free text success, failure or info message
message: "Upload successful.",
"message": "Upload successful.",
// Optional. See "Delayed Processing" section
processing_url: "...",
"processing_url": "...",
// This uses the NIP-94 event format but DO NOT need
// to fill some fields like "id", "pubkey", "created_at" and "sig"
//
@ -150,9 +143,9 @@ The upload response is a json object as follows:
// and, optionally, all file metadata the server wants to make available
//
// nip94_event field is absent if unsuccessful upload
nip94_event: {
"nip94_event": {
// Required tags: "url" and "ox"
tags: [
"tags": [
// Can be same from /.well-known/nostr/nip96.json's "download_url" field
// (or "api_url" field if "download_url" is absent or empty) with appended
// original file hash.
@ -173,12 +166,12 @@ The upload response is a json object as follows:
// The server can but does not need to store this value.
["x", "543244319525d9d08dd69cb716a18158a249b7b3b3ec4bbde5435543acb34443"],
// Optional. Recommended for helping clients to easily know file type before downloading it.
["m", "image/png"]
["m", "image/png"],
// Optional. Recommended for helping clients to reserve an adequate UI space to show the file before downloading it.
["dim", "800x600"]
// ... other optional NIP-94 tags
],
content: ""
"content": ""
},
// ... other custom fields (please consider adding them to this NIP or to NIP-94 tags)
}
@ -186,11 +179,13 @@ The upload response is a json object as follows:
Note that if the server didn't apply any transformation to the received file, both `nip94_event.tags.*.ox` and `nip94_event.tags.*.x` fields will have the same value. The server MUST link the saved file to the SHA-256 hash of the **original** file before any server transformations (the `nip94_event.tags.*.ox` tag value). The **original** file's SHA-256 hash will be used to identify the saved file when downloading or deleting it.
`Clients` may upload the same file to one or many `servers`.
`clients` may upload the same file to one or many `servers`.
After successful upload, the `client` may optionally generate and send to any set of nostr `relays` a [NIP-94](94.md) event by including the missing fields.
Alternatively, instead of using NIP-94, the `client` can share or embed on a nostr note just the above url.
`clients` may also use the tags from the `nip94_event` to construct an `imeta` tag
### Delayed Processing
Sometimes the server may want to place the uploaded file in a processing queue for deferred file processing.
@ -207,12 +202,12 @@ the file processing is done.
If the processing isn't done, the server should reply at the `processing_url` url with **200 OK** and the following JSON:
```
```jsonc
{
// It should be "processing". If "error" it would mean the processing failed.
status: "processing",
message: "Processing. Please check again later for updated status.",
percentage: 15 // Processing percentage. An integer between 0 and 100.
"status": "processing",
"message": "Processing. Please check again later for updated status.",
"percentage": 15 // Processing percentage. An integer between 0 and 100.
}
```
@ -226,7 +221,7 @@ However, for all file actions, such as download and deletion, the **original** f
## Download
`Servers` must make available the route `https://your-file-server.example/custom-api-path/<sha256-file-hash>(.ext)` (route taken from `https://your-file-server.example/.well-known/nostr/nip96.json` "api_url" or "download_url" field) with `GET` method for file download.
`GET $api_url/<sha256-hash>(.ext)`
The primary file download url informed at the upload's response field `nip94_event.tags.*.url`
can be that or not (it can be any non-standard url the server wants).
@ -234,17 +229,17 @@ If not, the server still MUST also respond to downloads at the standard url
mentioned on the previous paragraph, to make it possible for a client
to try downloading a file on any NIP-96 compatible server by knowing just the SHA-256 file hash.
Note that the "\<sha256-file-hash\>" part is from the **original** file, **not** from the **transformed** file if the uploaded file went through any server transformation.
Note that the "\<sha256-hash\>" part is from the **original** file, **not** from the **transformed** file if the uploaded file went through any server transformation.
Supporting ".ext", meaning "file extension", is required for `servers`. It is optional, although recommended, for `clients` to append it to the path.
When present it may be used by `servers` to know which `Content-Type` header to send (e.g.: "Content-Type": "image/png" for ".png" extension).
The file extension may be absent because the hash is the only needed string to uniquely identify a file.
Example: `https://your-file-server.example/custom-api-path/719171db19525d9d08dd69cb716a18158a249b7b3b3ec4bbdec5698dca104b7b.png`
Example: `$api_url/719171db19525d9d08dd69cb716a18158a249b7b3b3ec4bbdec5698dca104b7b.png`
### Media Transformations
`Servers` may respond to some media transformation query parameters and ignore those they don't support by serving
`servers` may respond to some media transformation query parameters and ignore those they don't support by serving
the original media file without transformations.
#### Image Transformations
@ -252,36 +247,75 @@ the original media file without transformations.
##### Resizing
Upon upload, `servers` may create resized image variants, such as thumbnails, respecting the original aspect ratio.
`Clients` may use the `w` query parameter to request an image version with the desired pixel width.
`Servers` can then serve the variant with the closest width to the parameter value
`clients` may use the `w` query parameter to request an image version with the desired pixel width.
`servers` can then serve the variant with the closest width to the parameter value
or an image variant generated on the fly.
Example: `https://your-file-server.example/custom-api-path/<sha256-file-hash>.png?w=32`
Example: `$api_url/<sha256-hash>.png?w=32`
## Deletion
`Servers` must make available the route `https://deletion.domain/deletion-path/<sha256-file-hash>(.ext)` (route taken from `https://your-file-server.example/.well-known/nostr/nip96.json` "api_url" field) with `DELETE` method for file deletion.
`DELETE $api_url/<sha256-hash>(.ext)`
Note that the "\<sha256-file-hash\>" part is from the **original** file, **not** from the **transformed** file if the uploaded file went through any server transformation.
**AUTH required**
Note that the `/<sha256-hash>` part is from the **original** file, **not** from the **transformed** file if the uploaded file went through any server transformation.
The extension is optional as the file hash is the only needed file identification.
`Clients` should send a `DELETE` request to the server deletion route in the above format. It must include a NIP-98 `Authorization` header.
The `server` should reject deletes from users other than the original uploader. The `pubkey` encoded on the header value identifies the user.
The `server` should reject deletes from users other than the original uploader with the appropriate http response code (403 Forbidden).
It should be noted that more than one user may have uploaded the same file (with the same hash). In this case, a delete must not really delete the file but just remove the user's `pubkey` from the file owners list (considering the server keeps just one copy of the same file, because multiple uploads of the same file results
in the same file hash).
The successful response is a 200 OK one with just basic JSON fields:
```
```json
{
status: "success",
message: "File deleted."
"status": "success",
"message": "File deleted."
}
```
## Listing files
`GET $api_url?page=x&count=y`
**AUTH required**
Returns a list of files linked to the authenticated users pubkey.
Example Response:
```jsonc
{
"count": 1, // server page size, eg. max(1, min(server_max_page_size, arg_count))
"total": 1, // total number of files
"page": 0, // the current page number
"files": [
{
"tags": [
["ox", "719171db19525d9d08dd69cb716a18158a249b7b3b3ec4bbdec5698dca104b7b"],
["x", "5d2899290e0e69bcd809949ee516a4a1597205390878f780c098707a7f18e3df"],
["size", "123456"],
["alt", "a meme that makes you laugh"],
["expiration", "1715691139"],
// ...other metadata
],
"content": "haha funny meme", // caption
"created_at": 1715691130 // upload timestamp
}
]
}
```
`files` contains an array of NIP-94 events
### Query args
- `page` page number (`offset=page*count`)
- `count` number of items per page
## Selecting a Server
Note: HTTP File Storage Server developers may skip this section. This is meant for client developers.
@ -289,14 +323,14 @@ Note: HTTP File Storage Server developers may skip this section. This is meant f
A File Server Preference event is a kind 10096 replaceable event meant to select one or more servers the user wants
to upload files to. Servers are listed as `server` tags:
```js
{
// ...
```json
{.
"kind": 10096,
"content": "",
"tags": [
["server", "https://file.server.one"],
["server", "https://file.server.two"]
]
],
// other fields...
}
```

3
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@ -55,7 +55,8 @@ Using the `Authorization` HTTP header, the `kind 27235` event MUST be `base64` e
Example HTTP Authorization header:
```
Authorization: Nostr 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
Authorization: Nostr
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
```
## Reference Implementations

12
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@ -6,11 +6,11 @@ Classified Listings
`draft` `optional`
This NIP defines `kind:30402`: a parameterized replaceable event to describe classified listings that list any arbitrary product, service, or other thing for sale or offer and includes enough structured metadata to make them useful.
This NIP defines `kind:30402`: an addressable event to describe classified listings that list any arbitrary product, service, or other thing for sale or offer and includes enough structured metadata to make them useful.
The category of classifieds includes a very broad range of physical goods, services, work opportunities, rentals, free giveaways, personals, etc. and is distinct from the more strictly structured marketplaces defined in [NIP-15](https://github.com/nostr-protocol/nips/blob/master/15.md) that often sell many units of specific products through very specific channels.
The category of classifieds includes a very broad range of physical goods, services, work opportunities, rentals, free giveaways, personals, etc. and is distinct from the more strictly structured marketplaces defined in [NIP-15](15.md) that often sell many units of specific products through very specific channels.
The structure of these events is very similar to [NIP-23](https://github.com/nostr-protocol/nips/blob/master/23.md) long-form content events.
The structure of these events is very similar to [NIP-23](23.md) long-form content events.
### Draft / Inactive Listings
@ -26,8 +26,8 @@ The `.pubkey` field of these events are treated as the party creating the listin
### Metadata
- For "tags"/"hashtags" (i.e. categories or keywords of relevance for the listing) the `"t"` event tag should be used, as per [NIP-12](https://github.com/nostr-protocol/nips/blob/master/12.md).
- For images, whether included in the markdown content or not, clients SHOULD use `image` tags as described in [NIP-58](https://github.com/nostr-protocol/nips/blob/master/58.md). This allows clients to display images in carousel format more easily.
- For "tags"/"hashtags" (i.e. categories or keywords of relevance for the listing) the `"t"` event tag should be used, as per [NIP-12](12.md).
- For images, whether included in the markdown content or not, clients SHOULD use `image` tags as described in [NIP-58](58.md). This allows clients to display images in carousel format more easily.
The following tags, used for structured metadata, are standardized and SHOULD be included. Other tags may be added as necessary.
@ -54,7 +54,7 @@ Other standard tags that might be useful.
## Example Event
```json
```jsonc
{
"kind": 30402,
"created_at": 1675642635,

21
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@ -5,6 +5,18 @@ reverse chronological order.
| Date | Commit | NIP | Change |
| ----------- | --------- | -------- | ------ |
| 2024-08-18 | [3aff37bd](https://github.com/nostr-protocol/nips/commit/3aff37bd) | [NIP-54](54.md) | content should be Asciidoc |
| 2024-07-31 | [3ea2f1a4](https://github.com/nostr-protocol/nips/commit/3ea2f1a4) | [NIP-45](45.md) | [444ad28d](https://github.com/nostr-protocol/nips/commit/444ad28d) was reverted |
| 2024-07-30 | [444ad28d](https://github.com/nostr-protocol/nips/commit/444ad28d) | [NIP-45](45.md) | NIP-45 was deprecated |
| 2024-07-26 | [ecee40df](https://github.com/nostr-protocol/nips/commit/ecee40df) | [NIP-19](19.md) | `nrelay` was deprecated |
| 2024-07-23 | [0227a2cd](https://github.com/nostr-protocol/nips/commit/0227a2cd) | [NIP-01](01.md) | events should be sorted by id after created_at |
| 2024-06-06 | [58e94b20](https://github.com/nostr-protocol/nips/commit/58e94b20) | [NIP-25](25.md) | [8073c848](https://github.com/nostr-protocol/nips/commit/8073c848) was reverted |
| 2024-06-06 | [a6dfc7b5](https://github.com/nostr-protocol/nips/commit/a6dfc7b5) | [NIP-55](55.md) | NIP number was changed |
| 2024-05-25 | [5d1d1c17](https://github.com/nostr-protocol/nips/commit/5d1d1c17) | [NIP-71](71.md) | 'aes-256-gcm' tag was removed |
| 2024-05-07 | [8073c848](https://github.com/nostr-protocol/nips/commit/8073c848) | [NIP-25](25.md) | e-tags were changed to not include entire thread |
| 2024-04-30 | [bad88262](https://github.com/nostr-protocol/nips/commit/bad88262) | [NIP-34](34.md) | 'earliest-unique-commit' tag was removed (use 'r' tag instead) |
| 2024-02-25 | [4a171cb0](https://github.com/nostr-protocol/nips/commit/4a171cb0) | [NIP-18](18.md) | quote repost should use `q` tag |
| 2024-02-21 | [c6cd655c](https://github.com/nostr-protocol/nips/commit/c6cd655c) | [NIP-46](46.md) | Params were stringified |
| 2024-02-16 | [cbec02ab](https://github.com/nostr-protocol/nips/commit/cbec02ab) | [NIP-49](49.md) | Password first normalized to NFKC |
| 2024-02-15 | [afbb8dd0](https://github.com/nostr-protocol/nips/commit/afbb8dd0) | [NIP-39](39.md) | PGP identity was removed |
| 2024-02-07 | [d3dad114](https://github.com/nostr-protocol/nips/commit/d3dad114) | [NIP-46](46.md) | Connection token format was changed |
@ -16,8 +28,9 @@ reverse chronological order.
| 2023-12-27 | [17c67ef5](https://github.com/nostr-protocol/nips/commit/17c67ef5) | [NIP-94](94.md) | 'aes-256-gcm' tag was removed |
| 2023-12-03 | [0ba45895](https://github.com/nostr-protocol/nips/commit/0ba45895) | [NIP-01](01.md) | WebSocket status code `4000` was replaced by 'CLOSED' message |
| 2023-11-28 | [6de35f9e](https://github.com/nostr-protocol/nips/commit/6de35f9e) | [NIP-89](89.md) | 'client' tag value was changed |
| 2023-11-20 | [7822a8b1](https://github.com/nostr-protocol/nips/commit/7822a8b1) | [NIP-51](51.md) | `kind: 30000` and `kind: 30001` were deprecated |
| 2023-11-20 | [7822a8b1](https://github.com/nostr-protocol/nips/commit/7822a8b1) | [NIP-51](51.md) | `kind: 30000` and `kind: 30001` were deprecated |
| 2023-11-11 | [cbdca1e9](https://github.com/nostr-protocol/nips/commit/cbdca1e9) | [NIP-84](84.md) | 'range' tag was removed |
| 2023-11-10 | [c945d8bd](https://github.com/nostr-protocol/nips/commit/c945d8bd) | [NIP-32](32.md) | 'l' tag annotations was removed |
| 2023-11-07 | [108b7f16](https://github.com/nostr-protocol/nips/commit/108b7f16) | [NIP-01](01.md) | 'OK' message must have 4 items |
| 2023-10-17 | [cf672b76](https://github.com/nostr-protocol/nips/commit/cf672b76) | [NIP-03](03.md) | 'block' tag was removed |
| 2023-09-29 | [7dc6385f](https://github.com/nostr-protocol/nips/commit/7dc6385f) | [NIP-57](57.md) | optional 'a' tag was included in `zap receipt` |
@ -30,11 +43,12 @@ reverse chronological order.
| 2023-08-14 | [72bb8a12](https://github.com/nostr-protocol/nips/commit/72bb8a12) | [NIP-33](33.md) | NIP-12, 16, 20 and 33 were merged into NIP-01 |
| 2023-08-11 | [d87f8617](https://github.com/nostr-protocol/nips/commit/d87f8617) | [NIP-25](25.md) | empty `content` should be considered as "+" |
| 2023-08-01 | [5d63b157](https://github.com/nostr-protocol/nips/commit/5d63b157) | [NIP-57](57.md) | 'zap' tag was changed |
| 2023-07-15 | [d1814405](https://github.com/nostr-protocol/nips/commit/d1814405) | [NIP-01](01.md) | `since` and `until` filters should be `since <= created_at <= until` |
| 2023-07-15 | [d1814405](https://github.com/nostr-protocol/nips/commit/d1814405) | [NIP-01](01.md) | `since` and `until` filters should be `since <= created_at <= until` |
| 2023-07-12 | [a1cd2bd8](https://github.com/nostr-protocol/nips/commit/a1cd2bd8) | [NIP-25](25.md) | custom emoji was supported |
| 2023-06-18 | [83cbd3e1](https://github.com/nostr-protocol/nips/commit/83cbd3e1) | [NIP-11](11.md) | 'image' was renamed to 'icon' |
| 2023-04-13 | [bf0a0da6](https://github.com/nostr-protocol/nips/commit/bf0a0da6) | [NIP-15](15.md) | different NIP was re-added as NIP-15 |
| 2023-04-13 | [bf0a0da6](https://github.com/nostr-protocol/nips/commit/bf0a0da6) | [NIP-15](15.md) | different NIP was re-added as NIP-15 |
| 2023-04-09 | [fb5b7c73](https://github.com/nostr-protocol/nips/commit/fb5b7c73) | [NIP-15](15.md) | NIP-15 was merged into NIP-01 |
| 2023-03-29 | [599e1313](https://github.com/nostr-protocol/nips/commit/599e1313) | [NIP-18](18.md) | NIP-18 was bring back |
| 2023-03-15 | [e1004d3d](https://github.com/nostr-protocol/nips/commit/e1004d3d) | [NIP-19](19.md) | `1: relay` was changed to optionally |
Breaking changes prior to 2023-03-01 are not yet documented.
@ -43,3 +57,4 @@ Breaking changes prior to 2023-03-01 are not yet documented.
- If it isn't clear that a change is breaking or not, we list it.
- The date is the date it was merged, not necessarily the date of the commit.

320
README.md
View File

@ -25,17 +25,18 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
- [NIP-01: Basic protocol flow description](01.md)
- [NIP-02: Follow List](02.md)
- [NIP-03: OpenTimestamps Attestations for Events](03.md)
- [NIP-04: Encrypted Direct Message](04.md) --- **unrecommended**: deprecated in favor of [NIP-44](44.md)
- [NIP-04: Encrypted Direct Message](04.md) --- **unrecommended**: deprecated in favor of [NIP-17](17.md)
- [NIP-05: Mapping Nostr keys to DNS-based internet identifiers](05.md)
- [NIP-06: Basic key derivation from mnemonic seed phrase](06.md)
- [NIP-07: `window.nostr` capability for web browsers](07.md)
- [NIP-08: Handling Mentions](08.md) --- **unrecommended**: deprecated in favor of [NIP-27](27.md)
- [NIP-09: Event Deletion](09.md)
- [NIP-09: Event Deletion Request](09.md)
- [NIP-10: Conventions for clients' use of `e` and `p` tags in text events](10.md)
- [NIP-11: Relay Information Document](11.md)
- [NIP-13: Proof of Work](13.md)
- [NIP-14: Subject tag in text events](14.md)
- [NIP-15: Nostr Marketplace (for resilient marketplaces)](15.md)
- [NIP-17: Private Direct Messages](17.md)
- [NIP-18: Reposts](18.md)
- [NIP-19: bech32-encoded entities](19.md)
- [NIP-21: `nostr:` URI scheme](21.md)
@ -45,9 +46,12 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
- [NIP-26: Delegated Event Signing](26.md)
- [NIP-27: Text Note References](27.md)
- [NIP-28: Public Chat](28.md)
- [NIP-29: Relay-based Groups](29.md)
- [NIP-30: Custom Emoji](30.md)
- [NIP-31: Dealing with Unknown Events](31.md)
- [NIP-32: Labeling](32.md)
- [NIP-34: `git` stuff](34.md)
- [NIP-35: Torrents](35.md)
- [NIP-36: Sensitive Content](36.md)
- [NIP-38: User Statuses](38.md)
- [NIP-39: External Identities in Profiles](39.md)
@ -63,12 +67,18 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
- [NIP-51: Lists](51.md)
- [NIP-52: Calendar Events](52.md)
- [NIP-53: Live Activities](53.md)
- [NIP-54: Wiki](54.md)
- [NIP-55: Android Signer Application](55.md)
- [NIP-56: Reporting](56.md)
- [NIP-57: Lightning Zaps](57.md)
- [NIP-58: Badges](58.md)
- [NIP-59: Gift Wrap](59.md)
- [NIP-64: Chess (PGN)](64.md)
- [NIP-65: Relay List Metadata](65.md)
- [NIP-70: Protected Events](70.md)
- [NIP-71: Video Events](71.md)
- [NIP-72: Moderated Communities](72.md)
- [NIP-73: External Content IDs](73.md)
- [NIP-75: Zap Goals](75.md)
- [NIP-78: Application-specific data](78.md)
- [NIP-84: Highlights](84.md)
@ -81,90 +91,133 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
- [NIP-99: Classified Listings](99.md)
## Event Kinds
| kind | description | NIP |
| ------------- | -------------------------- | ------------------------ |
| `0` | Metadata | [01](01.md) |
| `1` | Short Text Note | [01](01.md) |
| `2` | Recommend Relay | 01 (deprecated) |
| `3` | Follows | [02](02.md) |
| `4` | Encrypted Direct Messages | [04](04.md) |
| `5` | Event Deletion | [09](09.md) |
| `6` | Repost | [18](18.md) |
| `7` | Reaction | [25](25.md) |
| `8` | Badge Award | [58](58.md) |
| `13` | Seal | [59](59.md) |
| `16` | Generic Repost | [18](18.md) |
| `40` | Channel Creation | [28](28.md) |
| `41` | Channel Metadata | [28](28.md) |
| `42` | Channel Message | [28](28.md) |
| `43` | Channel Hide Message | [28](28.md) |
| `44` | Channel Mute User | [28](28.md) |
| `1021` | Bid | [15](15.md) |
| `1022` | Bid confirmation | [15](15.md) |
| `1040` | OpenTimestamps | [03](03.md) |
| `1059` | Gift Wrap | [59](59.md) |
| `1063` | File Metadata | [94](94.md) |
| `1311` | Live Chat Message | [53](53.md) |
| `1971` | Problem Tracker | [nostrocket][nostrocket] |
| `1984` | Reporting | [56](56.md) |
| `1985` | Label | [32](32.md) |
| `4550` | Community Post Approval | [72](72.md) |
| `5000`-`5999` | Job Request | [90](90.md) |
| `6000`-`6999` | Job Result | [90](90.md) |
| `7000` | Job Feedback | [90](90.md) |
| `9041` | Zap Goal | [75](75.md) |
| `9734` | Zap Request | [57](57.md) |
| `9735` | Zap | [57](57.md) |
| `9802` | Highlights | [84](84.md) |
| `10000` | Mute list | [51](51.md) |
| `10001` | Pin list | [51](51.md) |
| `10002` | Relay List Metadata | [65](65.md) |
| `10003` | Bookmark list | [51](51.md) |
| `10004` | Communities list | [51](51.md) |
| `10005` | Public chats list | [51](51.md) |
| `10006` | Blocked relays list | [51](51.md) |
| `10007` | Search relays list | [51](51.md) |
| `10015` | Interests list | [51](51.md) |
| `10030` | User emoji list | [51](51.md) |
| `10096` | File storage server list | [96](96.md) |
| `13194` | Wallet Info | [47](47.md) |
| `21000` | Lightning Pub RPC | [Lightning.Pub][lnpub] |
| `22242` | Client Authentication | [42](42.md) |
| `23194` | Wallet Request | [47](47.md) |
| `23195` | Wallet Response | [47](47.md) |
| `24133` | Nostr Connect | [46](46.md) |
| `27235` | HTTP Auth | [98](98.md) |
| `30000` | Follow sets | [51](51.md) |
| `30001` | Generic lists | [51](51.md) |
| `30002` | Relay sets | [51](51.md) |
| `30003` | Bookmark sets | [51](51.md) |
| `30004` | Curation sets | [51](51.md) |
| `30008` | Profile Badges | [58](58.md) |
| `30009` | Badge Definition | [58](58.md) |
| `30015` | Interest sets | [51](51.md) |
| `30017` | Create or update a stall | [15](15.md) |
| `30018` | Create or update a product | [15](15.md) |
| `30019` | Marketplace UI/UX | [15](15.md) |
| `30020` | Product sold as an auction | [15](15.md) |
| `30023` | Long-form Content | [23](23.md) |
| `30024` | Draft Long-form Content | [23](23.md) |
| `30030` | Emoji sets | [51](51.md) |
| `30063` | Release artifact sets | [51](51.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) |
| kind | description | NIP |
| ------------- | ------------------------------- | -------------------------------------- |
| `0` | User Metadata | [01](01.md) |
| `1` | Short Text Note | [01](01.md) |
| `2` | Recommend Relay | 01 (deprecated) |
| `3` | Follows | [02](02.md) |
| `4` | Encrypted Direct Messages | [04](04.md) |
| `5` | Event Deletion Request | [09](09.md) |
| `6` | Repost | [18](18.md) |
| `7` | Reaction | [25](25.md) |
| `8` | Badge Award | [58](58.md) |
| `9` | Group Chat Message | [29](29.md) |
| `10` | Group Chat Threaded Reply | [29](29.md) |
| `11` | Group Thread | [29](29.md) |
| `12` | Group Thread Reply | [29](29.md) |
| `13` | Seal | [59](59.md) |
| `14` | Direct Message | [17](17.md) |
| `16` | Generic Repost | [18](18.md) |
| `17` | Reaction to a website | [25](25.md) |
| `40` | Channel Creation | [28](28.md) |
| `41` | Channel Metadata | [28](28.md) |
| `42` | Channel Message | [28](28.md) |
| `43` | Channel Hide Message | [28](28.md) |
| `44` | Channel Mute User | [28](28.md) |
| `64` | Chess (PGN) | [64](64.md) |
| `818` | Merge Requests | [54](54.md) |
| `1021` | Bid | [15](15.md) |
| `1022` | Bid confirmation | [15](15.md) |
| `1040` | OpenTimestamps | [03](03.md) |
| `1059` | Gift Wrap | [59](59.md) |
| `1063` | File Metadata | [94](94.md) |
| `1311` | Live Chat Message | [53](53.md) |
| `1617` | Patches | [34](34.md) |
| `1621` | Issues | [34](34.md) |
| `1622` | Replies | [34](34.md) |
| `1630`-`1633` | Status | [34](34.md) |
| `1971` | Problem Tracker | [nostrocket][nostrocket] |
| `1984` | Reporting | [56](56.md) |
| `1985` | Label | [32](32.md) |
| `1986` | Relay reviews | |
| `1987` | AI Embeddings / Vector lists | [NKBIP-02] |
| `2003` | Torrent | [35](35.md) |
| `2004` | Torrent Comment | [35](35.md) |
| `2022` | Coinjoin Pool | [joinstr][joinstr] |
| `4550` | Community Post Approval | [72](72.md) |
| `5000`-`5999` | Job Request | [90](90.md) |
| `6000`-`6999` | Job Result | [90](90.md) |
| `7000` | Job Feedback | [90](90.md) |
| `9000`-`9030` | Group Control Events | [29](29.md) |
| `9041` | Zap Goal | [75](75.md) |
| `9467` | Tidal login | [Tidal-nostr] |
| `9734` | Zap Request | [57](57.md) |
| `9735` | Zap | [57](57.md) |
| `9802` | Highlights | [84](84.md) |
| `10000` | Mute list | [51](51.md) |
| `10001` | Pin list | [51](51.md) |
| `10002` | Relay List Metadata | [65](65.md) |
| `10003` | Bookmark list | [51](51.md) |
| `10004` | Communities list | [51](51.md) |
| `10005` | Public chats list | [51](51.md) |
| `10006` | Blocked relays list | [51](51.md) |
| `10007` | Search relays list | [51](51.md) |
| `10009` | User groups | [51](51.md), [29](29.md) |
| `10015` | Interests list | [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] |
| `10096` | File storage server list | [96](96.md) |
| `13194` | Wallet Info | [47](47.md) |
| `21000` | Lightning Pub RPC | [Lightning.Pub][lnpub] |
| `22242` | Client Authentication | [42](42.md) |
| `23194` | Wallet Request | [47](47.md) |
| `23195` | Wallet Response | [47](47.md) |
| `24133` | Nostr Connect | [46](46.md) |
| `24242` | Blobs stored on mediaservers | [Blossom][blossom] |
| `27235` | HTTP Auth | [98](98.md) |
| `30000` | Follow sets | [51](51.md) |
| `30001` | Generic lists | [51](51.md) |
| `30002` | Relay sets | [51](51.md) |
| `30003` | Bookmark sets | [51](51.md) |
| `30004` | Curation sets | [51](51.md) |
| `30005` | Video sets | [51](51.md) |
| `30007` | Kind mute sets | [51](51.md) |
| `30008` | Profile Badges | [58](58.md) |
| `30009` | Badge Definition | [58](58.md) |
| `30015` | Interest sets | [51](51.md) |
| `30017` | Create or update a stall | [15](15.md) |
| `30018` | Create or update a product | [15](15.md) |
| `30019` | Marketplace UI/UX | [15](15.md) |
| `30020` | Product sold as an auction | [15](15.md) |
| `30023` | Long-form Content | [23](23.md) |
| `30024` | Draft Long-form Content | [23](23.md) |
| `30030` | Emoji sets | [51](51.md) |
| `30040` | Modular Article Header | [NKBIP-01] |
| `30041` | Modular Article Content | [NKBIP-01] |
| `30063` | Release artifact sets | [51](51.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) |
| `30617` | Repository announcements | [34](34.md) |
| `30618` | Repository state announcements | [34](34.md) |
| `30818` | Wiki article | [54](54.md) |
| `30819` | Redirects | [54](54.md) |
| `31890` | Feed | [NUD: Custom Feeds][NUD: Custom Feeds] |
| `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) |
| `34235` | Video Event | [71](71.md) |
| `34236` | Short-form Portrait Video Event | [71](71.md) |
| `34237` | Video View Event | [71](71.md) |
| `34550` | Community Definition | [72](72.md) |
| `39000-9` | Group metadata events | [29](29.md) |
[NUD: Custom Feeds]: https://wikifreedia.xyz/cip-01/
[nostrocket]: https://github.com/nostrocket/NIPS/blob/main/Problems.md
[lnpub]: https://github.com/shocknet/Lightning.Pub/blob/master/proto/autogenerated/client.md
[joinstr]: https://gitlab.com/1440000bytes/joinstr/-/blob/main/NIP.md
[NKBIP-01]: https://wikistr.com/nkbip-01
[NKBIP-02]: https://wikistr.com/nkbip-02
[blossom]: https://github.com/hzrd149/blossom
[Tidal-nostr]: https://wikistr.com/tidal-nostr
## Message types
@ -190,59 +243,64 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
| `AUTH` | used to send authentication challenges | [42](42.md) |
| `COUNT` | used to send requested event counts to clients | [45](45.md) |
Please update these lists when proposing NIPs introducing new event kinds.
## Standardized Tags
| name | value | other parameters | NIP |
| ----------------- | ------------------------------------ | -------------------- | ------------------------------------- |
| `e` | event id (hex) | relay URL, marker | [01](01.md), [10](10.md) |
| `p` | pubkey (hex) | relay URL, petname | [01](01.md), [02](02.md) |
| `a` | coordinates to an event | relay URL | [01](01.md) |
| `d` | identifier | -- | [01](01.md) |
| `g` | geohash | -- | [52](52.md) |
| `i` | identity | proof | [39](39.md) |
| `k` | kind number (string) | -- | [18](18.md), [25](25.md), [72](72.md) |
| `l` | label, label namespace | annotations | [32](32.md) |
| `L` | label namespace | -- | [32](32.md) |
| `m` | MIME type | -- | [94](94.md) |
| `r` | a reference (URL, etc) | petname | |
| `r` | relay url | marker | [65](65.md) |
| `t` | hashtag | -- | |
| `alt` | summary | -- | [31](31.md) |
| `amount` | millisatoshis, stringified | -- | [57](57.md) |
| `bolt11` | `bolt11` invoice | -- | [57](57.md) |
| `challenge` | challenge string | -- | [42](42.md) |
| `client` | name, address | relay URL | [89](89.md) |
| `content-warning` | reason | -- | [36](36.md) |
| `delegation` | pubkey, conditions, delegation token | -- | [26](26.md) |
| `description` | invoice/badge description | -- | [57](57.md), [58](58.md) |
| `emoji` | shortcode, image URL | -- | [30](30.md) |
| `encrypted` | -- | -- | [90](90.md) |
| `expiration` | unix timestamp (string) | -- | [40](40.md) |
| `goal` | event id (hex) | relay URL | [75](75.md) |
| `image` | image URL | dimensions in pixels | [23](23.md), [58](58.md) |
| `imeta` | inline metadata | -- | [92](92.md) |
| `lnurl` | `bech32` encoded `lnurl` | -- | [57](57.md) |
| `location` | location string | -- | [52](52.md), [99](99.md) |
| `name` | badge name | -- | [58](58.md) |
| `nonce` | random | -- | [13](13.md) |
| `preimage` | hash of `bolt11` invoice | -- | [57](57.md) |
| `price` | price | currency, frequency | [99](99.md) |
| `proxy` | external ID | protocol | [48](48.md) |
| `published_at` | unix timestamp (string) | -- | [23](23.md) |
| `relay` | relay url | -- | [42](42.md) |
| `relays` | relay list | -- | [57](57.md) |
| `server` | file storage server url | -- | [96](96.md) |
| `subject` | subject | -- | [14](14.md) |
| `summary` | article summary | -- | [23](23.md) |
| `thumb` | badge thumbnail | dimensions in pixels | [58](58.md) |
| `title` | article title | -- | [23](23.md) |
| `zap` | pubkey (hex), relay URL | weight | [57](57.md) |
| name | value | other parameters | NIP |
| ----------------- | ------------------------------------ | ------------------------------- | ------------------------------------- |
| `e` | event id (hex) | relay URL, marker, pubkey (hex) | [01](01.md), [10](10.md) |
| `p` | pubkey (hex) | relay URL, petname | [01](01.md), [02](02.md) |
| `a` | coordinates to an event | relay URL | [01](01.md) |
| `d` | identifier | -- | [01](01.md) |
| `-` | -- | -- | [70](70.md) |
| `g` | geohash | -- | [52](52.md) |
| `h` | group id | -- | [29](29.md) |
| `i` | external identity | proof, url hint | [39](39.md), [73](73.md) |
| `k` | kind number (string) | -- | [18](18.md), [25](25.md), [72](72.md) |
| `l` | label, label namespace | -- | [32](32.md) |
| `L` | label namespace | -- | [32](32.md) |
| `m` | MIME type | -- | [94](94.md) |
| `q` | event id (hex) | relay URL | [18](18.md) |
| `r` | a reference (URL, etc) | -- | [24](24.md), [25](25.md) |
| `r` | relay url | marker | [65](65.md) |
| `t` | hashtag | -- | [24](24.md), [34](34.md) |
| `alt` | summary | -- | [31](31.md) |
| `amount` | millisatoshis, stringified | -- | [57](57.md) |
| `bolt11` | `bolt11` invoice | -- | [57](57.md) |
| `challenge` | challenge string | -- | [42](42.md) |
| `client` | name, address | relay URL | [89](89.md) |
| `clone` | git clone URL | -- | [34](34.md) |
| `content-warning` | reason | -- | [36](36.md) |
| `delegation` | pubkey, conditions, delegation token | -- | [26](26.md) |
| `description` | description | -- | [34](34.md), [57](57.md), [58](58.md) |
| `emoji` | shortcode, image URL | -- | [30](30.md) |
| `encrypted` | -- | -- | [90](90.md) |
| `expiration` | unix timestamp (string) | -- | [40](40.md) |
| `goal` | event id (hex) | relay URL | [75](75.md) |
| `image` | image URL | dimensions in pixels | [23](23.md), [52](52.md), [58](58.md) |
| `imeta` | inline metadata | -- | [92](92.md) |
| `lnurl` | `bech32` encoded `lnurl` | -- | [57](57.md) |
| `location` | location string | -- | [52](52.md), [99](99.md) |
| `name` | name | -- | [34](34.md), [58](58.md), [72](72.md) |
| `nonce` | random | difficulty | [13](13.md) |
| `preimage` | hash of `bolt11` invoice | -- | [57](57.md) |
| `price` | price | currency, frequency | [99](99.md) |
| `proxy` | external ID | protocol | [48](48.md) |
| `published_at` | unix timestamp (string) | -- | [23](23.md) |
| `relay` | relay url | -- | [42](42.md), [17](17.md) |
| `relays` | relay list | -- | [57](57.md) |
| `server` | file storage server url | -- | [96](96.md) |
| `subject` | subject | -- | [14](14.md), [17](17.md), [34](34.md) |
| `summary` | summary | -- | [23](23.md), [52](52.md) |
| `thumb` | badge thumbnail | dimensions in pixels | [58](58.md) |
| `title` | article title | -- | [23](23.md) |
| `web` | webpage URL | -- | [34](34.md) |
| `zap` | pubkey (hex), relay URL | weight | [57](57.md) |
Please update these lists when proposing new NIPs.
## Criteria for acceptance of NIPs
1. They should be implemented in at least two clients and one relay -- when applicable.
1. They should be fully implemented in at least two clients and one relay -- when applicable.
2. They should make sense.
3. They should be optional and backwards-compatible: care must be taken such that clients and relays that choose to not implement them do not stop working when interacting with the ones that choose to.
4. There should be no more than one way of doing the same thing.