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41
01.md
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@ -43,16 +43,16 @@ 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: 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. - 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 ### Tags
@ -77,25 +77,25 @@ 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 `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 `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 - The `a` tag, used to refer to an addressable or 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 an addressable 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 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. Only the first value in any given tag is indexed.
### Kinds ### 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: 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. [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. - `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. - `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: 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 `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 `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. - for kind `n` such that `30000 <= n < 40000`, events are **addressable** by their `kind`, `pubkey` and `d` tag value -- which means that, for each combination of `kind`, `pubkey` and the `d` tag value, only the latest event MUST be stored by relays, older versions MAY be discarded.
In case of replaceable events with the same timestamp, the event with the lowest id (first in lexical order) should be retained, and the other discarded. In case of replaceable events with the same timestamp, the event with the lowest id (first in lexical order) should be retained, and the other 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>, "authors": <a list of lowercase pubkeys, the pubkey of an event must be one of these>,
"kinds": <a list of a kind numbers>, "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.>, "#<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>, "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 be older than 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> "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. 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. 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 ### 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, "pow: difficulty 26 is less than 30"]`
* `["OK", "b1a649ebe8...", false, "error: could not connect to the database"]` * `["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` 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", "unsupported: filter contains unknown elements"]`
* `["CLOSED", "sub1", "error: could not connect to the database"]` * `["CLOSED", "sub1", "error: could not connect to the database"]`
* `["CLOSED", "sub1", "error: shutting down idle subscription"]` * `["CLOSED", "sub1", "error: shutting down idle subscription"]`

4
02.md
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@ -14,7 +14,7 @@ The `.content` is not used.
For example: For example:
```json ```jsonc
{ {
"kind": 3, "kind": 3,
"tags": [ "tags": [
@ -23,7 +23,7 @@ For example:
["p", "612ae..e610f", "ws://carolrelay.com/ws", "carol"] ["p", "612ae..e610f", "ws://carolrelay.com/ws", "carol"]
], ],
"content": "", "content": "",
...other fields // other fields...
} }
``` ```

25
05.md
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@ -6,22 +6,22 @@ Mapping Nostr keys to DNS-based internet identifiers
`final` `optional` `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>`. 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 metadata` event, the client then concludes that the given pubkey can indeed be referenced by its identifier.
### Example ### Example
If a client sees an event like this: If a client sees an event like this:
```json ```jsonc
{ {
"pubkey": "b0635d6a9851d3aed0cd6c495b282167acf761729078d975fc341b22650b07b9", "pubkey": "b0635d6a9851d3aed0cd6c495b282167acf761729078d975fc341b22650b07b9",
"kind": 0, "kind": 0,
"content": "{\"name\": \"bob\", \"nip05\": \"bob@example.com\"}" "content": "{\"name\": \"bob\", \"nip05\": \"bob@example.com\"}"
... // other fields...
} }
``` ```
@ -33,7 +33,7 @@ It will make a GET request to `https://example.com/.well-known/nostr.json?name=b
"bob": "b0635d6a9851d3aed0cd6c495b282167acf761729078d975fc341b22650b07b9" "bob": "b0635d6a9851d3aed0cd6c495b282167acf761729078d975fc341b22650b07b9"
} }
} }
```` ```
or with the **recommended** `"relays"` attribute: or with the **recommended** `"relays"` attribute:
@ -46,7 +46,7 @@ or with the **recommended** `"relays"` attribute:
"b0635d6a9851d3aed0cd6c495b282167acf761729078d975fc341b22650b07b9": [ "wss://relay.example.com", "wss://relay2.example.com" ] "b0635d6a9851d3aed0cd6c495b282167acf761729078d975fc341b22650b07b9": [ "wss://relay.example.com", "wss://relay2.example.com" ]
} }
} }
```` ```
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. 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.
@ -58,6 +58,15 @@ A client may implement support for finding users' public keys from _internet ide
## Notes ## 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 ### 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). 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. 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 ### 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. 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 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 ### Implementation
See https://github.com/aljazceru/awesome-nostr#nip-07-browser-extensions. See https://github.com/aljazceru/awesome-nostr#nip-07-browser-extensions.

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09.md
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@ -1,49 +1,53 @@
NIP-09 NIP-09
====== ======
Event Deletion Event Deletion Request
-------------- ----------------------
`draft` `optional` `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 request.
The event's `content` field MAY contain a text note describing the reason for the deletion.
For example: For example:
``` ```jsonc
{ {
"kind": 5, "kind": 5,
"pubkey": <32-bytes hex-encoded public key of the event creator>, "pubkey": <32-bytes hex-encoded public key of the event creator>,
"tags": [ "tags": [
["e", "dcd59..464a2"], ["e", "dcd59..464a2"],
["e", "968c5..ad7a4"], ["e", "968c5..ad7a4"],
["a", "<kind>:<pubkey>:<d-identifier>"] ["a", "<kind>:<pubkey>:<d-identifier>"],
["k", "1"],
["k", "30023"]
], ],
"content": "these posts were published by accident", "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 ## 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. 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 ## 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.

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@ -2,16 +2,47 @@ NIP-10
====== ======
On "e" and "p" tags in Text Events (kind 1). On "e" and "p" tags in Text Events (kind 1)
-------------------------------------------- -------------------------------------------
`draft` `optional` `draft` `optional`
## Abstract ## Abstract
This NIP describes how to use "e" and "p" tags in text events, especially those that are replies to other text events. It helps clients thread the replies into a tree rooted at the original event. This NIP describes how to use "e" and "p" tags in text events, especially those that are replies to other text events. It helps clients thread the replies into a tree rooted at the original event.
## Positional "e" tags (DEPRECATED) ## Marked "e" tags (PREFERRED)
>This scheme is in common use; but should be considered deprecated. `["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 `""`.
* `<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.
A direct reply to the root of a thread should have a single marked "e" tag of type "root".
>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.
When replying to a text event E the reply event's "p" tags should contain all of E's "p" tags as well as the `"pubkey"` of the event being replied to.
Example: Given a text event authored by `a1` with "p" tags [`p1`, `p2`, `p3`] then the "p" tags of the reply should be [`a1`, `p1`, `p2`, `p3`]
in no particular order.
## Deprecated Positional "e" tags
This scheme is not in common use anymore and is here just to keep backward compatibility with older events on the network.
Positional `e` tags are deprecated because they create ambiguities that are difficult, or impossible to resolve when an event references another but is not a reply.
They use simple `e` tags without any marker.
`["e", <event-id>, <relay-url>]` as per NIP-01. `["e", <event-id>, <relay-url>]` as per NIP-01.
@ -34,31 +65,3 @@ Where:
* Many "e" tags: `["e", <root-id>]` `["e", <mention-id>]`, ..., `["e", <reply-id>]`<br> * Many "e" tags: `["e", <root-id>]` `["e", <mention-id>]`, ..., `["e", <reply-id>]`<br>
There may be any number of `<mention-ids>`. These are the ids of events which may, or may not be in the reply chain. There may be any number of `<mention-ids>`. These are the ids of events which may, or may not be in the reply chain.
They are citing from this event. `root-id` and `reply-id` are as above. 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>, <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 `""`.
* `<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.
A direct reply to the root of a thread should have a single marked "e" tag of type "root".
>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.
When replying to a text event E the reply event's "p" tags should contain all of E's "p" tags as well as the `"pubkey"` of the event being replied to.
Example: Given a text event authored by `a1` with "p" tags [`p1`, `p2`, `p3`] then the "p" tags of the reply should be [`a1`, `p1`, `p2`, `p3`]
in no particular order.

60
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@ -2,7 +2,7 @@ NIP-11
====== ======
Relay Information Document Relay Information Document
--------------------------- --------------------------
`draft` `optional` `draft` `optional`
@ -14,6 +14,8 @@ When a relay receives an HTTP(s) request with an `Accept` header of `application
{ {
"name": <string identifying relay>, "name": <string identifying relay>,
"description": <string with detailed information>, "description": <string with detailed information>,
"banner": <a link to an image (e.g. in .jpg, or .png format)>,
"icon": <a link to an icon (e.g. in .jpg, or .png format>,
"pubkey": <administrative contact pubkey>, "pubkey": <administrative contact pubkey>,
"contact": <administrative alternate contact>, "contact": <administrative alternate contact>,
"supported_nips": <a list of NIP numbers supported by the relay>, "supported_nips": <a list of NIP numbers supported by the relay>,
@ -35,6 +37,21 @@ A relay may select a `name` for use in client software. This is a string, and S
Detailed plain-text information about the relay may be contained in the `description` string. It is recommended that this contain no markup, formatting or line breaks for word wrapping, and simply use double newline characters to separate paragraphs. There are no limitations on length. Detailed plain-text information about the relay may be contained in the `description` string. It is recommended that this contain no markup, formatting or line breaks for word wrapping, and simply use double newline characters to separate paragraphs. There are no limitations on length.
### Banner
To make nostr relay management more user friendly, an effort should be made by relay owners to communicate with non-dev non-technical nostr end users. A banner is a visual representation of the relay. It should aim to visually communicate the brand of the relay, complementing the text `Description`. [Here is an example banner](https://image.nostr.build/232ddf6846e8aea5a61abcd70f9222ab521f711aa545b7ab02e430248fa3a249.png) mockup as visualized in Damus iOS relay view of the Damus relay.
### Icon
Icon is a compact visual representation of the relay for use in UI with limited real estate such as a nostr user's relay list view. Below is an example URL pointing to an image to be used as an icon for the relay. Recommended to be squared in shape.
```jsonc
{
"icon": "https://nostr.build/i/53866b44135a27d624e99c6165cabd76ac8f72797209700acb189fce75021f47.jpg",
// other fields...
}
```
### Pubkey ### 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-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. 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.
@ -66,7 +83,7 @@ These are limitations imposed by the relay on clients. Your client
should expect that requests which exceed these *practical* limitations should expect that requests which exceed these *practical* limitations
are rejected or fail immediately. are rejected or fail immediately.
```json ```jsonc
{ {
"limitation": { "limitation": {
"max_message_length": 16384, "max_message_length": 16384,
@ -83,7 +100,7 @@ are rejected or fail immediately.
"created_at_lower_limit": 31536000, "created_at_lower_limit": 31536000,
"created_at_upper_limit": 3 "created_at_upper_limit": 3
}, },
... // other fields...
} }
``` ```
@ -146,14 +163,15 @@ Retention times are given in seconds, with `null` indicating infinity.
If zero is provided, this means the event will not be stored at 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. all, and preferably an error will be provided when those are received.
```json ```jsonc
{ {
"retention": [ "retention": [
{"kinds": [0, 1, [5, 7], [40, 49]], "time": 3600}, {"kinds": [0, 1, [5, 7], [40, 49]], "time": 3600},
{"kinds": [[40000, 49999]], "time": 100}, {"kinds": [[40000, 49999]], "time": 100},
{"kinds": [[30000, 39999]], "count": 1000}, {"kinds": [[30000, 39999]], "count": 1000},
{"time": 3600, "count": 10000} {"time": 3600, "count": 10000}
] ],
// other fields...
} }
``` ```
@ -172,7 +190,7 @@ There is no need to specify retention times for _ephemeral events_ since they ar
### Content Limitations ### Content Limitations
Some relays may be governed by the arbitrary laws of a nation state. This 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. clients are encouraged to use encryption to work around this limitation.
It is not possible to describe the limitations of each country's laws It is not possible to describe the limitations of each country's laws
@ -183,13 +201,13 @@ countries' laws might end up being enforced on them, and then
indirectly on their users' content. indirectly on their users' content.
Users should be able to avoid relays in countries they don't like, 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. flexibility is up to the client software.
```json ```jsonc
{ {
"relay_countries": [ "CA", "US" ], "relay_countries": [ "CA", "US" ],
... // other fields...
} }
``` ```
@ -208,12 +226,12 @@ local community. This would encourage users to follow the global
feed on that relay, in addition to their usual individual follows. feed on that relay, in addition to their usual individual follows.
To support this goal, relays MAY specify some of the following values. To support this goal, relays MAY specify some of the following values.
```json ```jsonc
{ {
"language_tags": ["en", "en-419"], "language_tags": ["en", "en-419"],
"tags": ["sfw-only", "bitcoin-only", "anime"], "tags": ["sfw-only", "bitcoin-only", "anime"],
"posting_policy": "https://example.com/posting-policy.html", "posting_policy": "https://example.com/posting-policy.html",
... // other fields...
} }
``` ```
@ -244,7 +262,7 @@ processed by appropriate client software.
Relays that require payments may want to expose their fee schedules. Relays that require payments may want to expose their fee schedules.
```json ```jsonc
{ {
"payments_url": "https://my-relay/payments", "payments_url": "https://my-relay/payments",
"fees": { "fees": {
@ -252,18 +270,7 @@ Relays that require payments may want to expose their fee schedules.
"subscription": [{ "amount": 5000000, "unit": "msats", "period": 2592000 }], "subscription": [{ "amount": 5000000, "unit": "msats", "period": 2592000 }],
"publication": [{ "kinds": [4], "amount": 100, "unit": "msats" }], "publication": [{ "kinds": [4], "amount": 100, "unit": "msats" }],
}, },
... // other fields...
}
```
### Icon
A URL pointing to an image to be used as an icon for the relay. Recommended to be squared in shape.
```json
{
"icon": "https://nostr.build/i/53866b44135a27d624e99c6165cabd76ac8f72797209700acb189fce75021f47.jpg",
...
} }
``` ```
@ -271,9 +278,11 @@ 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: 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)", "description": "nostr.land family of relays (us-or-01)",
"name": "nostr.land", "name": "nostr.land",
@ -312,3 +321,4 @@ As of 2 May 2023 the following command provided these results:
] ]
}, },
} }
```

53
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@ -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: Here is some reference C code for calculating the difficulty (aka number of leading zero bits) in a nostr event id:
```c ```c
#include <stdio.h> int zero_bits(unsigned char b)
#include <stdlib.h> {
#include <string.h> int n = 0;
int countLeadingZeroes(const char *hex) { if (b == 0)
int count = 0; return 8;
for (int i = 0; i < strlen(hex); i++) { while (b >>= 1)
int nibble = (int)strtol((char[]){hex[i], '\0'}, NULL, 16); n++;
if (nibble == 0) {
count += 4;
} else {
count += __builtin_clz(nibble) - 28;
break;
}
}
return count; return 7-n;
} }
int main(int argc, char *argv[]) { /* find the number of leading zero bits in a hash */
if (argc != 2) { int count_leading_zero_bits(unsigned char *hash)
fprintf(stderr, "Usage: %s <hex_string>\n", argv[0]); {
return 1; 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;
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;
} }
``` ```
@ -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 Delegated Proof of Work
----------------------- -----------------------

35
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@ -6,7 +6,7 @@ Nostr Marketplace
`draft` `optional` `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). 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** **Event Tags**
```json ```jsonc
{ {
"tags": [["d", <string, id of stall]], "tags": [["d", <string, id of stall]],
... // other fields...
} }
``` ```
- the `d` tag is required, its value MUST be the same as the stall `id`. - 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** **Event Tags**
```json ```jsonc
"tags": [ "tags": [
["d", <string, id of product], ["d", <string, id of product],
["t", <string (optional), product category], ["t", <string (optional), product category],
["t", <string (optional), product category], ["t", <string (optional), product category],
... // other fields...
], ],
... ...
``` ```
@ -139,7 +139,7 @@ Fields that are not self-explanatory:
## Checkout events ## 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: 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 | | 2 | Merchant | Order Status Update |
### Step 1: `customer` order (event) ### 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 ```json
{ {
@ -158,7 +158,7 @@ The below JSON goes in content of [NIP-04](https://github.com/nostr-protocol/nip
"type": 0, "type": 0,
"name": <string (optional), ???>, "name": <string (optional), ???>,
"address": <string (optional), for physical goods an address should be provided>, "address": <string (optional), for physical goods an address should be provided>,
"message": "<string (optional), message for merchant>, "message": <string (optional), message for merchant>,
"contact": { "contact": {
"nostr": <32-bytes hex of a pubkey>, "nostr": <32-bytes hex of a pubkey>,
"phone": <string (optional), if the customer wants to be contacted by phone>, "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. 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: `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. 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 ```json
{ {
@ -231,13 +231,13 @@ The below JSON goes in `content` of [NIP-04](https://github.com/nostr-protocol/n
## Customize Marketplace ## 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 `30019`: Create or update marketplace UI/UX
**Event Content** **Event Content**
```json ```jsonc
{ {
"name": <string (optional), market name>, "name": <string (optional), market name>,
"about": <string (optional), market description>, "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> "darkMode": <bool, true/false>
}, },
"merchants": [array of pubkeys (optional)], "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 ### Event `1021`: Bid
```json ```jsonc
{ {
"content": <int, amount of sats>, "content": <int, amount of sats>,
"tags": [["e", <event ID of the auction to bid on>]], "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. 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] > [!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 ### 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 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 ## 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)

16
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@ -12,18 +12,18 @@ This NIP defines an encrypted direct messaging scheme using [NIP-44](44.md) encr
Kind `14` is a chat message. `p` tags identify one or more receivers of the message. Kind `14` is a chat message. `p` tags identify one or more receivers of the message.
```js ```jsonc
{ {
"id": "<usual hash>", "id": "<usual hash>",
  "pubkey": "<sender-pubkey>",   "pubkey": "<sender-pubkey>",
"created_at": now(), "created_at": "<current-time>",
  "kind": 14,   "kind": 14,
  "tags": [   "tags": [
    ["p", "<receiver-1-pubkey>", "<relay-url>"],     ["p", "<receiver-1-pubkey>", "<relay-url>"],
    ["p", "<receiver-2-pubkey>", "<relay-url>"],     ["p", "<receiver-2-pubkey>", "<relay-url>"],
    ["e", "<kind-14-id>", "<relay-url>", "reply"] // if this is a reply     ["e", "<kind-14-id>", "<relay-url>", "reply"] // if this is a reply
["subject", "<conversation-title>"], ["subject", "<conversation-title>"],
    ...     // rest of tags...
  ],   ],
  "content": "<message-in-plain-text>",   "content": "<message-in-plain-text>",
} }
@ -47,7 +47,7 @@ An optional `subject` tag defines the current name/topic of the conversation. An
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. 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 ```jsonc
{ {
"id": "<usual hash>", "id": "<usual hash>",
  "pubkey": randomPublicKey,   "pubkey": randomPublicKey,
@ -86,7 +86,7 @@ Clients CAN offer disappearing messages by setting an `expiration` tag in the gi
Kind `10050` indicates the user's preferred relays to receive DMs. The event MUST include a list of `relay` tags with relay URIs. Kind `10050` indicates the user's preferred relays to receive DMs. The event MUST include a list of `relay` tags with relay URIs.
```js ```jsonc
{ {
"kind": 10050, "kind": 10050,
"tags": [ "tags": [
@ -94,7 +94,7 @@ Kind `10050` indicates the user's preferred relays to receive DMs. The event MUS
["relay", "wss://myrelay.nostr1.com"], ["relay", "wss://myrelay.nostr1.com"],
], ],
"content": "", "content": "",
//...other fields // other fields...
} }
``` ```
@ -102,7 +102,7 @@ Clients SHOULD publish kind `14` events to the `10050`-listed relays. If that is
## Relays ## Relays
It's advisable that relays do not serve `kind:14` to clients other than the ones tagged in them. 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. It's advisable that users choose relays that conform to these practices.
@ -133,7 +133,7 @@ When sending a message to anyone, clients must then connect to the relays in the
This example sends the message `Hola, que tal?` from `nsec1w8udu59ydjvedgs3yv5qccshcj8k05fh3l60k9x57asjrqdpa00qkmr89m` to `nsec12ywtkplvyq5t6twdqwwygavp5lm4fhuang89c943nf2z92eez43szvn4dt`. 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: The two final GiftWraps, one to the receiver and the other to the sender, respectively, are:
```json ```json
{ {

8
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@ -25,6 +25,14 @@ 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 as replies in threads. It also allows you to easily pull and count all of the
quotes for a post. quotes for a post.
`q` tags should follow the same conventions as NIP 10 `e` tags, with the exception
of the `mark` argument.
`["q", <event-id>, <relay-url>, <pubkey>]`
Quote reposts MUST include the [NIP-21](21.md) `nevent`, `note`, or `naddr` of the
event in the content.
## Generic Reposts ## Generic Reposts
Since `kind 6` reposts are reserved for `kind 1` contents, we use `kind 16` Since `kind 6` reposts are reserved for `kind 1` contents, we use `kind 16`

5
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@ -34,8 +34,8 @@ These are the possible bech32 prefixes with `TLV`:
- `nprofile`: a nostr profile - `nprofile`: a nostr profile
- `nevent`: a nostr event - `nevent`: a nostr event
- `nrelay`: a nostr relay
- `naddr`: a nostr _replaceable event_ coordinate - `naddr`: a nostr _replaceable event_ coordinate
- `nrelay`: a nostr relay (deprecated)
These possible standardized `TLV` types are indicated here: These possible standardized `TLV` types are indicated here:
@ -43,8 +43,7 @@ These possible standardized `TLV` types are indicated here:
- depends on the bech32 prefix: - depends on the bech32 prefix:
- for `nprofile` it will be the 32 bytes of the profile public key - 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 `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 normal replaceable events use an empty string.
- for `naddr`, it is the identifier (the `"d"` tag) of the event being referenced. For non-parameterized replaceable events, use an empty string.
- `1`: `relay` - `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 - 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 - 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 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 ## Examples

184
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@ -0,0 +1,184 @@
NIP-22
======
Comment
-------
`draft` `optional`
A comment is a threading note always scoped to a root event or an `I`-tag.
It uses `kind:1111` with plaintext `.content` (no HTML, Markdown, or other formatting).
Comments MUST point to the root scope using uppercase tag names (e.g. `K`, `E`, `A` or `I`)
and MUST point to the parent item with lowercase ones (e.g. `k`, `e`, `a` or `i`).
```jsonc
{
kind: 1111,
content: '<comment>',
tags: [
// root scope: event addresses, event ids, or I-tags.
["<A, E, I>", "<address, id or I-value>", "<relay or web page hint>", "<root event's pubkey, if an E tag>"],
// the root item kind
["K", "<root kind>"],
// parent item: event addresses, event ids, or i-tags.
["<a, e, i>", "<address, id or i-value>", "<relay or web page hint>", "<parent event's pubkey, if an e tag>"],
// parent item kind
["k", "<parent comment kind>"]
]
// other fields
}
```
Tags `K` and `k` MUST be present to define the event kind of the root and the parent items.
`I` and `i` tags create scopes for hashtags, geohashes, URLs, and other external identifiers.
The possible values for `i` tags – and `k` tags, when related to an extenal identity – are listed on [NIP-73](73.md).
Their uppercase versions use the same type of values but relate to the root item instead of the parent one.
`q` tags MAY be used when citing events in the `.content` with [NIP-21](21.md).
```json
["q", "<event-id> or <event-address>", "<relay-url>", "<pubkey-if-a-regular-event>"]
```
`p` tags SHOULD be used when mentioning pubkeys in the `.content` with [NIP-21](21.md).
If the parent item is an event, a `p` tag set to the parent event's author SHOULD be added.
```json
["p", "<pubkey>", "<relay-url>"]
```
## Examples
A comment on a blog post looks like this:
```jsonc
{
kind: 1111,
content: 'Great blog post!',
tags: [
// top-level comments scope to event addresses or ids
["A", "30023:3c9849383bdea883b0bd16fece1ed36d37e37cdde3ce43b17ea4e9192ec11289:f9347ca7", "wss://example.relay"],
// the root kind
["K", "30023"],
// the parent event address (same as root for top-level comments)
["a", "30023:3c9849383bdea883b0bd16fece1ed36d37e37cdde3ce43b17ea4e9192ec11289:f9347ca7", "wss://example.relay"],
// when the parent event is replaceable or addressable, also include an `e` tag referencing its id
["e", "5b4fc7fed15672fefe65d2426f67197b71ccc82aa0cc8a9e94f683eb78e07651", "wss://example.relay"],
// the parent event kind
["k", "30023"]
]
// other fields
}
```
A comment on a [NIP-94](94.md) file looks like this:
```jsonc
{
kind: 1111,
content: 'Great file!',
tags: [
// top-level comments have the same scope and reply to addresses or ids
["E", "768ac8720cdeb59227cf95e98b66560ef03d8bc9a90d721779e76e68fb42f5e6", "wss://example.relay", "3721e07b079525289877c366ccab47112bdff3d1b44758ca333feb2dbbbbe5bb"],
// the root kind
["K", "1063"],
// the parent event id (same as root for top-level comments)
["e", "768ac8720cdeb59227cf95e98b66560ef03d8bc9a90d721779e76e68fb42f5e6", "wss://example.relay", "3721e07b079525289877c366ccab47112bdff3d1b44758ca333feb2dbbbbe5bb"],
// the parent kind
["k", "1063"]
]
// other fields
}
```
A reply to a comment looks like this:
```jsonc
{
kind: 1111,
content: 'This is a reply to "Great file!"',
tags: [
// nip-94 file event id
["E", "768ac8720cdeb59227cf95e98b66560ef03d8bc9a90d721779e76e68fb42f5e6", "wss://example.relay", "fd913cd6fa9edb8405750cd02a8bbe16e158b8676c0e69fdc27436cc4a54cc9a"],
// the root kind
["K", "1063"],
// the parent event
["e", "5c83da77af1dec6d7289834998ad7aafbd9e2191396d75ec3cc27f5a77226f36", "wss://example.relay", "93ef2ebaaf9554661f33e79949007900bbc535d239a4c801c33a4d67d3e7f546"],
// the parent kind
["k", "1111"]
]
// other fields
}
```
A comment on a website's url looks like this:
```jsonc
{
kind: 1111,
content: 'Nice article!',
tags: [
// referencing the root url
["I", "https://abc.com/articles/1"],
// the root "kind": for an url, the kind is its domain
["K", "https://abc.com"],
// the parent reference (same as root for top-level comments)
["i", "https://abc.com/articles/1"],
// the parent "kind": for an url, the kind is its domain
["k", "https://abc.com"]
]
// other fields
}
```
A podcast comment example:
```jsonc
{
id: "80c48d992a38f9c445b943a9c9f1010b396676013443765750431a9004bdac05",
pubkey: "252f10c83610ebca1a059c0bae8255eba2f95be4d1d7bcfa89d7248a82d9f111",
kind: 1111,
content: "This was a great episode!",
tags: [
// podcast episode reference
["I", "podcast:item:guid:d98d189b-dc7b-45b1-8720-d4b98690f31f", "https://fountain.fm/episode/z1y9TMQRuqXl2awyrQxg"],
// podcast episode type
["K", "podcast:item:guid"],
// same value as "I" tag above, because it is a top-level comment (not a reply to a comment)
["i", "podcast:item:guid:d98d189b-dc7b-45b1-8720-d4b98690f31f", "https://fountain.fm/episode/z1y9TMQRuqXl2awyrQxg"],
["k", "podcast:item:guid"]
]
// other fields
}
```
A reply to a podcast comment:
```jsonc
{
kind: 1111,
content: "I'm replying to the above comment.",
tags: [
// podcast episode reference
["I", "podcast:item:guid:d98d189b-dc7b-45b1-8720-d4b98690f31f", "https://fountain.fm/episode/z1y9TMQRuqXl2awyrQxg"],
// podcast episode type
["K", "podcast:item:guid"],
// this is a reference to the above comment
["e", "80c48d992a38f9c445b943a9c9f1010b396676013443765750431a9004bdac05", "wss://example.relay", "252f10c83610ebca1a059c0bae8255eba2f95be4d1d7bcfa89d7248a82d9f111"],
// the parent comment kind
["k", "1111"]
]
// other fields
}
```

6
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@ -6,7 +6,7 @@ Long-form Content
`draft` `optional` `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. "Social" clients that deal primarily with `kind:1` notes should not be expected to implement this NIP.
@ -20,7 +20,7 @@ The `.content` of these events should be a string text in Markdown syntax. To ma
### Metadata ### Metadata
For the date of the last update the `.created_at` field should be used, for "tags"/"hashtags" (i.e. topics about which the event might be of relevance) the `t` tag should be used, as per NIP-12. For the date of the last update the `.created_at` field should be used, for "tags"/"hashtags" (i.e. topics about which the event might be of relevance) the `t` tag should be used.
Other metadata fields can be added as tags to the event as necessary. Here we standardize 4 that may be useful, although they remain strictly optional: Other metadata fields can be added as tags to the event as necessary. Here we standardize 4 that may be useful, although they remain strictly optional:
@ -31,7 +31,7 @@ Other metadata fields can be added as tags to the event as necessary. Here we st
### Editability ### Editability
These articles are meant to be editable, so they should make use of the parameterized replaceability feature and include a `d` tag with an identifier for the article. Clients should take care to only publish and read these events from relays that implement that. If they don't do that they should also take care to hide old versions of the same article they may receive. These articles are meant to be editable, so they should include a `d` tag with an identifier for the article. Clients should take care to only publish and read these events from relays that implement that. If they don't do that they should also take care to hide old versions of the same article they may receive.
### Linking ### Linking

10
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@ -6,7 +6,7 @@ Extra metadata fields and tags
`draft` `optional` `draft` `optional`
This NIP defines extra optional fields added to events. This NIP keeps track of extra optional fields that can added to events which are not defined anywhere else but have become _de facto_ standards and other minor implementation possibilities that do not deserve their own NIP and do not have a place in other NIPs.
kind 0 kind 0
====== ======
@ -28,7 +28,7 @@ These are fields that should be ignored or removed when found in the wild:
kind 3 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 ### Deprecated fields
@ -39,5 +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: 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 - `r`: a web URL the event is referring to in some way.
- `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 - `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 +25,23 @@ consider it a "+".
Tags Tags
---- ----
The reaction event SHOULD include `a`, `e` and `p` tags pointing to the note the user is 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.
reacting to. The `p` tag allows authors to be notified. The `e` tags enables clients
to pull all the reactions to individual events and `a` tags enables clients to seek reactions
for all versions of a replaceable event.
The `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 `a` tag MUST contain the coordinates (`kind:pubkey:d-tag`) of the replaceable being reacted to. The `a` tag MUST contain the coordinates (`kind:pubkey:d-tag`) of the replaceable being reacted to.
The `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 reaction event MAY include a `k` tag with the stringified kind number
of the reacted event as its value.
Example code Example code
```swift ```swift
func make_like_event(pubkey: String, privkey: String, liked: NostrEvent) -> NostrEvent { 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")
}
tags.append(["e", liked.id]) tags.append(["e", liked.id])
tags.append(["p", liked.pubkey]) tags.append(["p", liked.pubkey])
tags.append(["k", liked.kind]) tags.append(["k", liked.kind])
@ -53,6 +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 Custom Emoji Reaction
--------------------- ---------------------
@ -60,14 +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 reaction content. The client should refer to the emoji tag and render the
content as an emoji if shortcode is specified. content as an emoji if shortcode is specified.
```json ```jsonc
{ {
"kind": 7, "kind": 7,
"content": ":soapbox:", "content": ":soapbox:",
"tags": [ "tags": [
["emoji", "soapbox", "https://gleasonator.com/emoji/Gleasonator/soapbox.png"] ["emoji", "soapbox", "https://gleasonator.com/emoji/Gleasonator/soapbox.png"]
], ],
...other fields // other fields...
} }
``` ```

2
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@ -2,7 +2,7 @@ NIP-26
======= =======
Delegated Event Signing Delegated Event Signing
----- -----------------------
`draft` `optional` `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 `@`. 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: 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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@ -25,10 +25,10 @@ Create a public chat channel.
In the channel creation `content` field, Client SHOULD include basic channel metadata (`name`, `about`, `picture` and `relays` 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\", \"relays\": [\"wss://nos.lol\", \"wss://nostr.mom\"]}", "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. 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. Clients SHOULD ignore kind 41s from pubkeys other than the kind 40 pubkey.
@ -52,11 +52,11 @@ Clients MAY add additional metadata fields.
Clients SHOULD use [NIP-10](10.md) marked "e" tags to recommend a relay. 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\", \"relays\": [\"wss://nos.lol\", \"wss://nostr.mom\"]}", "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>]], "tags": [["e", <channel_create_event_id>, <relay-url>]],
... // other fields...
} }
``` ```
@ -71,26 +71,26 @@ Clients SHOULD append [NIP-10](10.md) "p" tags to replies.
Root message: Root message:
```json ```jsonc
{ {
"content": <string>, "content": <string>,
"tags": [["e", <kind_40_event_id>, <relay-url>, "root"]], "tags": [["e", <kind_40_event_id>, <relay-url>, "root"]],
... // other fields...
} }
``` ```
Reply to another message: Reply to another message:
```json ```jsonc
{ {
"content": <string>, "content": <string>,
"tags": [ "tags": [
["e", <kind_40_event_id>, <relay-url>, "root"], ["e", <kind_40_event_id>, <relay-url>, "root"],
["e", <kind_42_event_id>, <relay-url>, "reply"], ["e", <kind_42_event_id>, <relay-url>, "reply"],
["p", <pubkey>, <relay-url>], ["p", <pubkey>, <relay-url>],
... // rest of tags...
], ],
... // other fields...
} }
``` ```
@ -107,11 +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.) (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\"}", "content": "{\"reason\": \"Dick pic\"}",
"tags": [["e", <kind_42_event_id>]], "tags": [["e", <kind_42_event_id>]],
... // other fields...
} }
``` ```
@ -125,11 +125,11 @@ 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. Clients MAY hide event 42s for users other than the user who sent the event 44.
```json ```jsonc
{ {
"content": "{\"reason\": \"Posting dick pics\"}", "content": "{\"reason\": \"Posting dick pics\"}",
"tags": [["p", <pubkey>]], "tags": [["p", <pubkey>]],
... // other fields...
} }
``` ```

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@ -16,15 +16,19 @@ Normally a group will originally belong to one specific relay, but the community
## Relay-generated events ## Relay-generated events
Relays are supposed to generate the events that describe group metadata and group admins. These are parameterized replaceable events signed by the relay keypair directly, with the group _id_ as the `d` tag. 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 ## 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`. 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`.
Group identifiers must be strings restricted to the characters `a-z0-9-_`, and SHOULD be random in order to avoid name collisions.
When encountering just the `<host>` without the `'<group-id>`, clients MAY infer `_` as the group id, which is a special top-level group dedicated to relay-local discussions.
## The `h` tag ## 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_. 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 ## Timeline references
@ -36,74 +40,80 @@ This is a hack to prevent messages from being broadcasted to external relays tha
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. 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.
## Group management
Groups can have any number of users with elevated access. These users are identified by role labels which are arbitrarily defined by the relays (see also the description of `kind:39003`). What each role is capable of not defined in this NIP either, it's a relay policy that can vary. Roles can be assigned by other users (as long as they have the capability to add roles) by publishing a `kind:9000` event with that user's pubkey in a `p` tag and the roles afterwards (even if the user is already a group member a `kind:9000` can be issued and the user roles must just be updated).
The roles supported by the group as to having some special privilege assigned to them should be accessible on the event `kind:39003`, but the relay may also accept other role names, arbitrarily defined by clients, and just not do anything with them.
Users with any roles that have any privilege can be considered _admins_ in a broad sense and be returned in the `kind:39001` event for a group.
## Unmanaged groups
Unmanaged groups are impromptu groups that can be used in any public relay unaware of NIP-29 specifics. They piggyback on relays' natural white/blacklists (or lack of) but aside from that are not actively managed and won't have any admins, group state or metadata events.
In `unmanaged` groups, everybody is considered to be a member.
Unmanaged groups can transition to managed groups, in that case the relay master key just has to publish moderation events setting the state of all groups and start enforcing the rules they choose to.
## Event definitions ## Event definitions
- *text root note* (`kind:11`) These are the events expected to be found in NIP-29 groups.
This is the basic unit of a "microblog" root text note sent to a group. ### Normal user-created events
```js Groups may accept any event kind, including chats, threads, long-form articles, calendar, livestreams, market announcements and so on. These should be as defined in their respective NIPs, with the addition of the `h` tag.
"kind": 11,
"content": "hello my friends lovers of pizza",
"tags": [
["h", "<group-id>"],
["previous", "<event-id-first-chars>", "<event-id-first-chars>", ...]
]
...
```
- *threaded text reply* (`kind:12`) ### User-related group management events
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: These are events that can be sent by users to manage their situation in a group, they also require the `h` tag.
* `["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.
```js
"kind": 9,
"content": "hello my friends lovers of pizza",
"tags": [
["h", "<group-id>"],
["previous", "<event-id-first-chars>", "<event-id-first-chars>", ...]
]
...
```
- *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`) - *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. Any user can send a kind `9021` event to the relay in order to request admission to the group. Relays MUST reject the request if the user has not been added to the group. The accompanying error message SHOULD explain whether the rejection is final, if the request is pending review, or if some other special handling is relevant (e.g. if payment is required). If a user is already a member, the event MUST be rejected with `duplicate: ` as the error message prefix.
```js ```json
{ {
"kind": 9021, "kind": 9021,
"content": "optional reason", "content": "optional reason",
"tags": [
["h", "<group-id>"],
["code", "<optional-invite-code>"]
]
}
```
The optional `code` tag may be used by the relay to preauthorize acceptances in `closed` groups, together with the `kind:9009` `create-invite` moderation event.
- *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": [ "tags": [
["h", "<group-id>"] ["h", "<group-id>"]
] ]
} }
``` ```
### Group state -- or moderation
These are events expected to be sent by the relay master key or by group admins -- and relays should reject them if they don't come from an authorized admin. They also require the `h` tag.
- *moderation events* (`kinds:9000-9020`) (optional) - *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. 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 based on its role and the relay's internal policy (see also the description of `kind:39003`).
```js ```jsonc
{ {
"kind": 90xx, "kind": 90xx,
"content": "optional reason", "content": "optional reason",
"tags": [ "tags": [
["h", "<group-id>"], ["h", "<group-id>"],
["previous", ...] ["previous", /*...*/]
] ]
} }
``` ```
@ -112,13 +122,19 @@ Each moderation action uses a different kind and requires different arguments, w
| kind | name | tags | | kind | name | tags |
| --- | --- | --- | | --- | --- | --- |
| 9000 | `add-user` | `p` (pubkey hex) | | 9000 | `put-user` | `p` with pubkey hex and optional roles |
| 9001 | `remove-user` | `p` (pubkey hex) | | 9001 | `remove-user` | `p` with pubkey hex |
| 9002 | `edit-metadata` | `name`, `about`, `picture` (string) | | 9002 | `edit-metadata` | fields from `kind:39000` to be modified |
| 9003 | `add-permission` | `p` (pubkey), `permission` (name) | | 9005 | `delete-event` | `e` with event id hex |
| 9004 | `remove-permission` | `p` (pubkey), `permission` (name) | | 9007 | `create-group` | |
| 9005 | `delete-event` | `e` (id hex) | | 9008 | `delete-group` | |
| 9006 | `edit-group-status` | `public` or `private`, `open` or `closed` | | 9009 | `create-invite` | |
It's expected that the group state (of who is an allowed member or not, who is an admin and with which permission or not, what are the group name and picture etc) can be fully reconstructed from the canonical sequence of these events.
### Group metadata events
These events contain the group id in a `d` tag instead of the `h` tag. They MUST be created by the relay master key only and a single instance of each (or none) should exist at all times for each group. They are merely informative but should reflect the latest group state (as it was changed by moderation events over time).
- *group metadata* (`kind:39000`) (optional) - *group metadata* (`kind:39000`) (optional)
@ -126,7 +142,9 @@ This event defines the metadata for the group -- basically how clients should di
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. 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.
```js When this event is not found, clients may still connect to the group, but treat it as having a different status, `unmanaged`,
```jsonc
{ {
"kind": 39000, "kind": 39000,
"content": "", "content": "",
@ -138,7 +156,7 @@ If the group is forked and hosted in multiple relays, there will be multiple ver
["public"], // or ["private"] ["public"], // or ["private"]
["open"] // or ["closed"] ["open"] // or ["closed"]
] ]
... // other fields...
} }
``` ```
@ -146,40 +164,29 @@ If the group is forked and hosted in multiple relays, there will be multiple ver
- *group admins* (`kind:39001`) (optional) - *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 is listed along with one or more roles. These roles SHOULD have a correspondence with the roles supported by the relay, as advertised by the `kind:39003` event.
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. ```jsonc
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`
```js
{ {
"kind": 39001, "kind": 39001,
"content": "list of admins for the pizza lovers group", "content": "list of admins for the pizza lovers group",
"tags": [ "tags": [
["d", "<group-id>"], ["d", "<group-id>"],
["p", "<pubkey1-as-hex>", "ceo", "add-user", "edit-metadata", "delete-event", "remove-user"], ["p", "<pubkey1-as-hex>", "ceo"],
["p", "<pubkey2-as-hex>", "secretary", "add-user", "delete-event"] ["p", "<pubkey2-as-hex>", "secretary", "gardener"],
] // other pubkeys...
... ],
// other fields...
} }
``` ```
- *group members* (`kind:39002`) (optional) - *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 list of pubkeys that are members of the group. Relays might choose to not to publish this information, to restrict what pubkeys can fetch it or to only display a subset of the members in it.
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. Clients should not assume this will always be present or that it will contain a full list of members.
```json ```jsonc
{ {
"kind": 39002, "kind": 39002,
"content": "list of members for the pizza lovers group", "content": "list of members for the pizza lovers group",
@ -188,10 +195,50 @@ It's a NIP-51-like list of pubkeys that are members of the group. Relays might c
["p", "<admin1>"], ["p", "<admin1>"],
["p", "<member-pubkey1>"], ["p", "<member-pubkey1>"],
["p", "<member-pubkey2>"], ["p", "<member-pubkey2>"],
] // other pubkeys...
],
// other fields...
} }
``` ```
## Storing the list of groups a user belongs to - *group roles* (`kind:39003`) (optional)
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. This is an event that MAY be published by the relay informing users and clients about what are the roles supported by this relay according to its internal logic.
For example, a relay may choose to support the roles `"admin"` and `"moderator"`, in which the `"admin"` will be allowed to edit the group metadata, delete messages and remove users from the group, while the `"moderator"` can only delete messages (or the relay may choose to call these roles `"ceo"` and `"secretary"` instead, the exact role name is not relevant).
The process through which the relay decides what roles to support and how to handle moderation events internally based on them is specific to each relay and not specified here.
```jsonc
{
"kind": 39003,
"content": "list of roles supported by this group",
"tags": [
["d", "<group-id>"],
["role", "<role-name>", "<optional-description>"],
["role", "<role-name>", "<optional-description>"],
// other roles...
],
// other fields...
}
```
## Implementation quirks
### Checking your own membership in a group
The latest of either `kind:9000` or `kind:9001` events present in a group should tell a user that they are currently members of the group or if they were removed. In case none of these exist the user is assumed to not be a member of the group -- unless the group is `unmanaged`, in which case the user is assumed to be a member.
### Adding yourself to a group
When a group is `open`, anyone can send a `kind:9021` event to it in order to be added, then expect a `kind:9000` event to be emitted confirming that the user was added. The same happens with `closed` groups, except in that case a user may only send a `kind:9021` if it has an invite code.
### Storing your list of groups
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.
### Using `unmanaged` relays
To prevent event leakage, when using `unmanaged` relays, clients should include the [NIP-70](70.md) `-` tag, as just the `previous` tag won't be checked by other `unmanaged` relays.
Groups MAY be named without relay support by adding a `name` to the corresponding tag in a user's `kind 10009` group list.

16
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@ -54,3 +54,19 @@ In kind 1 events, the `content` should be emojified.
"created_at": 1682630000 "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 Labeling
--------- --------
`draft` `optional` `draft` `optional`
A label is a `kind 1985` event that is used to label other entities. This supports a number of use cases, 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.
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 namespace
- `l` denotes a label - `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 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. (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. ("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. `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 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 Label Target
---- ----
@ -42,7 +43,7 @@ or topics respectively. As with NIP-01, a relay hint SHOULD be included when usi
Content 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. explanation of why something was labeled the way it was, should go in the event's `content` field.
Self-Reporting Self-Reporting
@ -56,7 +57,7 @@ Example events
A suggestion that multiple pubkeys be associated with the `permies` topic. A suggestion that multiple pubkeys be associated with the `permies` topic.
```json ```jsonc
{ {
"kind": 1985, "kind": 1985,
"tags": [ "tags": [
@ -65,13 +66,13 @@ A suggestion that multiple pubkeys be associated with the `permies` topic.
["p", <pubkey1>, <relay_url>], ["p", <pubkey1>, <relay_url>],
["p", <pubkey2>, <relay_url>] ["p", <pubkey2>, <relay_url>]
], ],
... // other fields...
} }
``` ```
A report flagging violence toward a human being as defined by ontology.example.com. A report flagging violence toward a human being as defined by ontology.example.com.
```json ```jsonc
{ {
"kind": 1985, "kind": 1985,
"tags": [ "tags": [
@ -80,13 +81,13 @@ A report flagging violence toward a human being as defined by ontology.example.c
["p", <pubkey1>, <relay_url>], ["p", <pubkey1>, <relay_url>],
["p", <pubkey2>, <relay_url>] ["p", <pubkey2>, <relay_url>]
], ],
... // other fields...
} }
``` ```
A moderation suggestion for a chat event. A moderation suggestion for a chat event.
```json ```jsonc
{ {
"kind": 1985, "kind": 1985,
"tags": [ "tags": [
@ -94,13 +95,13 @@ A moderation suggestion for a chat event.
["l", "approve", "nip28.moderation"], ["l", "approve", "nip28.moderation"],
["e", <kind40_event_id>, <relay_url>] ["e", <kind40_event_id>, <relay_url>]
], ],
... // other fields...
} }
``` ```
Assignment of a license to an event. Assignment of a license to an event.
```json ```jsonc
{ {
"kind": 1985, "kind": 1985,
"tags": [ "tags": [
@ -108,14 +109,14 @@ Assignment of a license to an event.
["l", "MIT", "license"], ["l", "MIT", "license"],
["e", <event_id>, <relay_url>] ["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 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. is labeling their note as being related to Milan, Italy using ISO 3166-2.
```json ```jsonc
{ {
"kind": 1, "kind": 1,
"tags": [ "tags": [
@ -123,15 +124,29 @@ is labeling their note as being related to Milan, Italy using ISO 3166-2.
["l", "IT-MI", "ISO-3166-2"] ["l", "IT-MI", "ISO-3166-2"]
], ],
"content": "It's beautiful here in Milan!", "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 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 may be published. We have opted not to use addressable/replaceable events for this due to the
complexity in coming up with a standard `d` tag. In order to avoid ambiguity when querying, 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. publishers SHOULD limit labeling events to a single namespace.
@ -154,8 +169,8 @@ be handled in some other way.
Appendix: Known Ontologies Appendix: Known Ontologies
------------------------- --------------------------
Below is a non-exhaustive list of ontologies currently in widespread use. Below is a non-exhaustive list of ontologies currently in widespread use.
- (social.ontolo.categories)[https://ontolo.social/] - [social.ontolo.categories](https://ontolo.social/)

2
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@ -6,4 +6,4 @@ Parameterized Replaceable Events
`final` `mandatory` `final` `mandatory`
Moved to [NIP-01](01.md). Renamed to "Addressable events" and moved to [NIP-01](01.md).

44
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@ -35,6 +35,36 @@ The `r` tag annotated with the `"euc"` marker should be the commit ID of the ear
Except `d`, all tags are optional. 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
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 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.
@ -53,7 +83,7 @@ The first patch revision in a patch revision SHOULD include a NIP-10 `e` `reply`
["p", "<repository-owner>"], ["p", "<repository-owner>"],
["p", "<other-user>"], // optionally send the patch to another user to bring it to their attention ["p", "<other-user>"], // optionally send the patch to another user to bring it to their attention
["t", "root"], // ommited for additional patches in a series ["t", "root"], // omitted for additional patches in a series
// for the first patch in a revision // for the first patch in a revision
["t", "root-revision"], ["t", "root-revision"],
@ -76,13 +106,18 @@ The first patch in a series MAY be a cover letter in the format produced by `git
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 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.
```jsonc 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, "kind": 1621,
"content": "<markdown text>", "content": "<markdown text>",
"tags": [ "tags": [
["a", "30617:<base-repo-owner-pubkey>:<base-repo-id>"], ["a", "30617:<base-repo-owner-pubkey>:<base-repo-id>"],
["p", "<repository-owner>"] ["p", "<repository-owner>"]
["subject", "<issue-subject>"]
["t", "<issue-label>"]
["t", "<another-issue-label>"]
] ]
} }
``` ```
@ -102,8 +137,9 @@ Replies are also Markdown text. The difference is that they MUST be issued as re
// other "e" and "p" tags should be applied here when necessary, following the threading rules of NIP-10 // other "e" and "p" tags should be applied here when necessary, following the threading rules of NIP-10
["p", "<patch-author-pubkey-hex>", "", "mention"], ["p", "<patch-author-pubkey-hex>", "", "mention"],
["e", "<previous-reply-id-hex>", "", "reply"], ["e", "<previous-reply-id-hex>", "", "reply"],
// ... // rest of tags...
] ],
// other fields...
} }
``` ```

4
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@ -2,7 +2,7 @@ NIP-35
====== ======
Torrents Torrents
----------- --------
`draft` `optional` `draft` `optional`
@ -37,7 +37,7 @@ A second level prefix should be included where the database supports multiple me
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. 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.
```jsonc ```json
{ {
"kind": 2003, "kind": 2003,
"content": "<long-description-pre-formatted>", "content": "<long-description-pre-formatted>",

10
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@ -3,7 +3,7 @@ NIP-38
====== ======
User Statuses User Statuses
-------------- -------------
`draft` `optional` `draft` `optional`
@ -13,11 +13,11 @@ This NIP enables a way for users to share live statuses such as what music they
## Live Statuses ## 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: For example:
```js ```json
{ {
"kind": 30315, "kind": 30315,
"content": "Sign up for nostrasia!", "content": "Sign up for nostrasia!",
@ -26,7 +26,9 @@ For example:
["r", "https://nostr.world"] ["r", "https://nostr.world"]
], ],
} }
```
```json
{ {
"kind": 30315, "kind": 30315,
"content": "Intergalatic - Beastie Boys", "content": "Intergalatic - Beastie Boys",
@ -44,7 +46,7 @@ Two common status types are defined: `general` and `music`. `general` represent
Any other status types can be used but they are not defined by this NIP. 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 status MAY include an `r`, `p`, `e` or `a` tag linking to a URL, profile, note, or addressable 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. 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 ## `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): A new optional `i` tag is introduced for `kind 0` metadata event defined in [NIP-01](01.md):
```json
```jsonc
{ {
"id": <id>,
"pubkey": <pubkey>,
"tags": [ "tags": [
["i", "github:semisol", "9721ce4ee4fceb91c9711ca2a6c9a5ab"], ["i", "github:semisol", "9721ce4ee4fceb91c9711ca2a6c9a5ab"],
["i", "twitter:semisol_public", "1619358434134196225"], ["i", "twitter:semisol_public", "1619358434134196225"],
["i", "mastodon:bitcoinhackers.org/@semisol", "109775066355589974"] ["i", "mastodon:bitcoinhackers.org/@semisol", "109775066355589974"]
["i", "telegram:1087295469", "nostrdirectory/770"] ["i", "telegram:1087295469", "nostrdirectory/770"]
], ],
... // other fields...
} }
``` ```

8
42.md
View File

@ -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: 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>] ["AUTH", <challenge-string>]
``` ```
And, when sent by clients, the following form: And, when sent by clients, the following form:
```json ```
["AUTH", <signed-event-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: 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, "kind": 22242,
"tags": [ "tags": [
["relay", "wss://relay.example.com/"], ["relay", "wss://relay.example.com/"],
["challenge", "challengestringhere"] ["challenge", "challengestringhere"]
], ],
... // other fields...
} }
``` ```

12
44.md
View File

@ -1,5 +1,5 @@
NIP-44 NIP-44
===== ======
Encrypted Payloads (Versioned) Encrypted Payloads (Versioned)
------------------------------ ------------------------------
@ -63,7 +63,7 @@ NIP-44 version 2 has the following design characteristics:
- SHA256 is used instead of SHA3 or BLAKE because it is already used in nostr. Also BLAKE's speed advantage - SHA256 is used instead of SHA3 or BLAKE because it is already used in nostr. Also BLAKE's speed advantage
is smaller in non-parallel environments. is smaller in non-parallel environments.
- A custom padding scheme is used instead of padmé because it provides better leakage reduction for small messages. - A custom padding scheme is used instead of padmé because it provides better leakage reduction for small messages.
- Base64 encoding is used instead of another compression algorithm because it is widely available, and is already used in nostr. - Base64 encoding is used instead of another encoding algorithm because it is widely available, and is already used in nostr.
### Encryption ### Encryption
@ -86,7 +86,7 @@ NIP-44 version 2 has the following design characteristics:
- Content must be encoded from UTF-8 into byte array - Content must be encoded from UTF-8 into byte array
- Validate plaintext length. Minimum is 1 byte, maximum is 65535 bytes - Validate plaintext length. Minimum is 1 byte, maximum is 65535 bytes
- Padding format is: `[plaintext_length: u16][plaintext][zero_bytes]` - Padding format is: `[plaintext_length: u16][plaintext][zero_bytes]`
- Padding algorithm is related to powers-of-two, with min padded msg size of 32 - Padding algorithm is related to powers-of-two, with min padded msg size of 32bytes
- Plaintext length is encoded in big-endian as first 2 bytes of the padded blob - Plaintext length is encoded in big-endian as first 2 bytes of the padded blob
5. Encrypt padded content 5. Encrypt padded content
- Use ChaCha20, with key and nonce from step 3 - Use ChaCha20, with key and nonce from step 3
@ -142,12 +142,14 @@ 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 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, `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]`. 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 - 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 - `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`. `i`-th byte (inclusive) to the `j`-th byte (exclusive) of `x`.
- Constants `c`: - Constants `c`:
- `min_plaintext_size` is 1. 1b msg is padded to 32b. - `min_plaintext_size` is 1. 1bytes msg is padded to 32bytes.
- `max_plaintext_size` is 65535 (64kb - 1). It is padded to 65536. - `max_plaintext_size` is 65535 (64kB - 1). It is padded to 65536bytes.
- Functions - Functions
- `base64_encode(string)` and `base64_decode(bytes)` are Base64 ([RFC 4648](https://datatracker.ietf.org/doc/html/rfc4648), with padding) - `base64_encode(string)` and `base64_decode(bytes)` are Base64 ([RFC 4648](https://datatracker.ietf.org/doc/html/rfc4648), with padding)
- `concat` refers to byte array concatenation - `concat` refers to byte array concatenation

10
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View File

@ -2,7 +2,7 @@ NIP-45
====== ======
Event Counts Event Counts
-------------- ------------
`draft` `optional` `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. 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>...] ["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. 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>}`. 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>}] ["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 ### Followers count
```json ```
["COUNT", <subscription_id>, {"kinds": [3], "#p": [<pubkey>]}] ["COUNT", <subscription_id>, {"kinds": [3], "#p": [<pubkey>]}]
["COUNT", <subscription_id>, {"count": 238}] ["COUNT", <subscription_id>, {"count": 238}]
``` ```
### Count posts and reactions ### Count posts and reactions
```json ```
["COUNT", <subscription_id>, {"kinds": [1, 7], "authors": [<pubkey>]}] ["COUNT", <subscription_id>, {"kinds": [1, 7], "authors": [<pubkey>]}]
["COUNT", <subscription_id>, {"count": 5}] ["COUNT", <subscription_id>, {"count": 5}]
``` ```

240
46.md
View File

@ -1,4 +1,12 @@
# NIP-46 - Nostr Remote Signing NIP-46
======
Nostr Remote Signing
--------------------
## Changes
`remote-signer-key` is introduced, passed in bunker url, clients must differentiate between `remote-signer-pubkey` and `user-pubkey`, must call `get_public_key` after connect, nip05 login is removed, create_account moved to another NIP.
## Rationale ## Rationale
@ -8,102 +16,70 @@ This NIP describes a method for 2-way communication between a remote signer and
## Terminology ## Terminology
- **Local keypair**: A local public and private key-pair used to encrypt content and communicate with the remote signer. Usually created by the client application. - **user**: A person that is trying to use Nostr.
- **Remote user pubkey**: The public key that the user wants to sign as. The remote signer has control of the private key that matches this public key. - **client**: A user-facing application that _user_ is looking at and clicking buttons in. This application will send requests to _remote-signer_.
- **Remote signer pubkey**: This is the public key of the remote signer itself. This is needed in both `create_account` command because you don't yet have a remote user pubkey. - **remote-signer**: A daemon or server running somewhere that will answer requests from _client_, also known as "bunker".
- **client-keypair/pubkey**: The keys generated by _client_. Used to encrypt content and communicate with _remote-signer_.
- **remote-signer-keypair/pubkey**: The keys used by _remote-signer_ to encrypt content and communicate with _client_. This keypair MAY be same as _user-keypair_, but not necessarily.
- **user-keypair/pubkey**: The actual keys representing _user_ (that will be used to sign events in response to `sign_event` requests, for example). The _remote-signer_ generally has control over these keys.
All pubkeys specified in this NIP are in hex format. All pubkeys specified in this NIP are in hex format.
## Overview
1. _client_ generates `client-keypair`. This keypair doesn't need to be communicated to _user_ since it's largely disposable. _client_ might choose to store it locally and they should delete it on logout;
2. A connection is established (see below), _remote-signer_ learns `client-pubkey`, _client_ learns `remote-signer-pubkey`.
3. _client_ uses `client-keypair` to send requests to _remote-signer_ by `p`-tagging and encrypting to `remote-signer-pubkey`;
4. _remote-signer_ responds to _client_ by `p`-tagging and encrypting to the `client-pubkey`.
5. _client_ requests `get_public_key` to learn `user-pubkey`.
## Initiating a connection ## Initiating a connection
To initiate a connection between a client and a remote signer there are a few different options. There are two ways to initiate a connection:
### Direct connection initiated by remote signer ### Direct connection initiated by _remote-signer_
This is most common in a situation where you have your own nsecbunker or other type of remote signer and want to connect through a client that supports remote signing. _remote-signer_ provides connection token in the form:
The remote signer would provide a connection token in the form:
``` ```
bunker://<remote-user-pubkey>?relay=<wss://relay-to-connect-on>&relay=<wss://another-relay-to-connect-on>&secret=<optional-secret-value> bunker://<remote-signer-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). _user_ passes this token to _client_, which then sends `connect` request to _remote-signer_ via the specified relays. Optional secret can be used for single successfully established connection only, _remote-signer_ SHOULD ignore new attempts to establish connection with old secret.
### Direct connection initiated by the client ### Direct connection initiated by the _client_
In this case, basically the opposite direction of the first case, the client provides a connection token (or encodes the token in a QR code) and the signer initiates a connection to the client via the specified relay(s). _client_ provides a connection token using `nostrconnect://` as the protocol, and `client-pubkey` as the origin. Additional information should be passed as query parameters:
- `relay` (required) - one or more relay urls on which the _client_ is listening for responses from the _remote-signer_.
- `secret` (required) - a short random string that the _remote-signer_ should return as the `result` field of its response.
- `perms` (optional) - a comma-separated list of permissions the _client_ is requesting be approved by the _remote-signer_
- `name` (optional) - the name of the _client_ application
- `url` (optional) - the canonical url of the _client_ application
- `image` (optional) - a small image representing the _client_ application
Here's an example:
``` ```
nostrconnect://<local-keypair-pubkey>?relay=<wss://relay-to-connect-on>&metadata=<json metadata in the form: {"name":"...", "url": "...", "description": "..."}> nostrconnect://83f3b2ae6aa368e8275397b9c26cf550101d63ebaab900d19dd4a4429f5ad8f5?relay=wss%3A%2F%2Frelay1.example.com&perms=nip44_encrypt%2Cnip44_decrypt%2Csign_event%3A13%2Csign_event%3A14%2Csign_event%3A1059&name=My+Client&secret=0s8j2djs&relay=wss%3A%2F%2Frelay2.example2.com
``` ```
## The flow _user_ passes this token to _remote-signer_, which then sends `connect` *response* event to the `client-pubkey` via the specified relays. Client discovers `remote-signer-pubkey` from connect response author. `secret` value MUST be provided to avoid connection spoofing, _client_ MUST validate the `secret` returned by `connect` response.
1. Client creates a local keypair. This keypair doesn't need to be communicated to the user since it's largely disposable (i.e. the user doesn't need to see this pubkey). Clients might choose to store it locally and they should delete it when the user logs out.
2. Client gets the remote user pubkey (either via a `bunker://` connection string or a NIP-05 login-flow; shown below)
3. Clients use the local keypair to send requests to the remote signer by `p`-tagging and encrypting to the remote user pubkey.
4. The remote signer responds to the client by `p`-tagging and encrypting to the local keypair pubkey.
### Example flow for signing an event
- Remote user pubkey (e.g. signing as) `fa984bd7dbb282f07e16e7ae87b26a2a7b9b90b7246a44771f0cf5ae58018f52`
- Local pubkey is `eff37350d839ce3707332348af4549a96051bd695d3223af4aabce4993531d86`
#### Signature request
```json
{
"kind": 24133,
"pubkey": "eff37350d839ce3707332348af4549a96051bd695d3223af4aabce4993531d86",
"content": nip04({
"id": <random_string>,
"method": "sign_event",
"params": [json_stringified(<{
content: "Hello, I'm signing remotely",
kind: 1,
tags: [],
created_at: 1714078911
}>)]
}),
"tags": [["p", "fa984bd7dbb282f07e16e7ae87b26a2a7b9b90b7246a44771f0cf5ae58018f52"]], // p-tags the remote user pubkey
}
```
#### Response event
```json
{
"kind": 24133,
"pubkey": "fa984bd7dbb282f07e16e7ae87b26a2a7b9b90b7246a44771f0cf5ae58018f52",
"content": nip04({
"id": <random_string>,
"result": json_stringified(<signed-event>)
}),
"tags": [["p", "eff37350d839ce3707332348af4549a96051bd695d3223af4aabce4993531d86"]], // p-tags the local keypair pubkey
}
```
#### Diagram
![signing-example](https://i.nostr.build/P3gW.png)
## Request Events `kind: 24133` ## Request Events `kind: 24133`
```json ```jsonc
{ {
"id": <id>,
"kind": 24133, "kind": 24133,
"pubkey": <local_keypair_pubkey>, "pubkey": <local_keypair_pubkey>,
"content": <nip04(<request>)>, "content": <nip44(<request>)>,
"tags": [["p", <remote_user_pubkey>]], // NB: in the `create_account` event, the remote signer pubkey should be `p` tagged. "tags": [["p", <remote-signer-pubkey>]],
"created_at": <unix timestamp in seconds>
} }
``` ```
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-44](44.md) encrypted and has the following structure:
```json ```jsonc
{ {
"id": <random_string>, "id": <random_string>,
"method": <method_name>, "method": <method_name>,
@ -117,15 +93,15 @@ The `content` field is a JSON-RPC-like message that is [NIP-04](https://github.c
### Methods/Commands ### Methods/Commands
Each of the following are methods that the client sends to the remote signer. Each of the following are methods that the _client_ sends to the _remote-signer_.
| Command | Params | Result | | Command | Params | Result |
| ------------------------ | ------------------------------------------------- | ---------------------------------------------------------------------- | | ------------------------ | ------------------------------------------------- | ---------------------------------------------------------------------- |
| `connect` | `[<remote_user_pubkey>, <optional_secret>, <optional_requested_permissions>]` | "ack" | | `connect` | `[<remote-signer-pubkey>, <optional_secret>, <optional_requested_permissions>]` | "ack" OR `<required-secret-value>` |
| `sign_event` | `[<{kind, content, tags, created_at}>]` | `json_stringified(<signed_event>)` | | `sign_event` | `[<{kind, content, tags, created_at}>]` | `json_stringified(<signed_event>)` |
| `ping` | `[]` | "pong" | | `ping` | `[]` | "pong" |
| `get_relays` | `[]` | `json_stringified({<relay_url>: {read: <boolean>, write: <boolean>}})` | | `get_relays` | `[]` | `json_stringified({<relay_url>: {read: <boolean>, write: <boolean>}})` |
| `get_public_key` | `[]` | `<hex-pubkey>` | | `get_public_key` | `[]` | `<user-pubkey>` |
| `nip04_encrypt` | `[<third_party_pubkey>, <plaintext_to_encrypt>]` | `<nip04_ciphertext>` | | `nip04_encrypt` | `[<third_party_pubkey>, <plaintext_to_encrypt>]` | `<nip04_ciphertext>` |
| `nip04_decrypt` | `[<third_party_pubkey>, <nip04_ciphertext_to_decrypt>]` | `<plaintext>` | | `nip04_decrypt` | `[<third_party_pubkey>, <nip04_ciphertext_to_decrypt>]` | `<plaintext>` |
| `nip44_encrypt` | `[<third_party_pubkey>, <plaintext_to_encrypt>]` | `<nip44_ciphertext>` | | `nip44_encrypt` | `[<third_party_pubkey>, <plaintext_to_encrypt>]` | `<nip44_ciphertext>` |
@ -133,7 +109,7 @@ Each of the following are methods that the client sends to the remote signer.
### Requested permissions ### 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. 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. `nip44_encrypt,sign_event:4` meaning permissions to call `nip44_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. Same permission format may be used for `perms` field of `metadata` in `nostrconnect://` string.
## Response Events `kind:24133` ## Response Events `kind:24133`
@ -141,14 +117,14 @@ The `connect` method may be provided with `optional_requested_permissions` for u
{ {
"id": <id>, "id": <id>,
"kind": 24133, "kind": 24133,
"pubkey": <remote_signer_pubkey>, "pubkey": <remote-signer-pubkey>,
"content": <nip04(<response>)>, "content": <nip44(<response>)>,
"tags": [["p", <local_keypair_pubkey>]], "tags": [["p", <client-pubkey>]],
"created_at": <unix timestamp in seconds> "created_at": <unix timestamp in seconds>
} }
``` ```
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-44](44.md) encrypted and has the following structure:
```json ```json
{ {
@ -162,9 +138,54 @@ The `content` field is a JSON-RPC-like message that is [NIP-04](https://github.c
- `results` is a string of the result of the call (this can be either a string or a JSON stringified object) - `results` is a string of the result of the call (this can be either a string or a JSON stringified object)
- `error`, _optionally_, it is an error in string form, if any. Its presence indicates an error with the request. - `error`, _optionally_, it is an error in string form, if any. Its presence indicates an error with the request.
### Auth Challenges ## Example flow for signing an event
An Auth Challenge is a response that a remote signer can send back when it needs the user to authenticate via other means. This is currently used in the OAuth-like flow enabled by signers like [Nsecbunker](https://github.com/kind-0/nsecbunkerd/). The response `content` object will take the following form: - `remote-signer-pubkey` is `fa984bd7dbb282f07e16e7ae87b26a2a7b9b90b7246a44771f0cf5ae58018f52`
- `user-pubkey` is also `fa984bd7dbb282f07e16e7ae87b26a2a7b9b90b7246a44771f0cf5ae58018f52`
- `client-pubkey` is `eff37350d839ce3707332348af4549a96051bd695d3223af4aabce4993531d86`
### Signature request
```jsonc
{
"kind": 24133,
"pubkey": "eff37350d839ce3707332348af4549a96051bd695d3223af4aabce4993531d86",
"content": nip44({
"id": <random_string>,
"method": "sign_event",
"params": [json_stringified(<{
content: "Hello, I'm signing remotely",
kind: 1,
tags: [],
created_at: 1714078911
}>)]
}),
"tags": [["p", "fa984bd7dbb282f07e16e7ae87b26a2a7b9b90b7246a44771f0cf5ae58018f52"]], // p-tags the remote-signer-pubkey
}
```
### Response event
```jsonc
{
"kind": 24133,
"pubkey": "fa984bd7dbb282f07e16e7ae87b26a2a7b9b90b7246a44771f0cf5ae58018f52",
"content": nip44({
"id": <random_string>,
"result": json_stringified(<signed-event>)
}),
"tags": [["p", "eff37350d839ce3707332348af4549a96051bd695d3223af4aabce4993531d86"]], // p-tags the client-pubkey
}
```
### Diagram
![signing-example](https://i.nostr.build/P3gW.png)
## Auth Challenges
An Auth Challenge is a response that a _remote-signer_ can send back when it needs the _user_ to authenticate via other means. The response `content` object will take the following form:
```json ```json
{ {
@ -174,54 +195,33 @@ An Auth Challenge is a response that a remote signer can send back when it needs
} }
``` ```
Clients should display (in a popup or new tab) the URL from the `error` field and then subscribe/listen for another response from the remote signer (reusing the same request ID). This event will be sent once the user authenticates in the other window (or will never arrive if the user doesn't authenticate). It's also possible to add a `redirect_uri` url parameter to the auth_url, which is helpful in situations when a client cannot open a new window or tab to display the auth challenge. _client_ should display (in a popup or new tab) the URL from the `error` field and then subscribe/listen for another response from the _remote-signer_ (reusing the same request ID). This event will be sent once the user authenticates in the other window (or will never arrive if the user doesn't authenticate).
#### Example event signing request with auth challenge ### Example event signing request with auth challenge
![signing-example-with-auth-challenge](https://i.nostr.build/W3aj.png) ![signing-example-with-auth-challenge](https://i.nostr.build/W3aj.png)
## Remote Signer Commands
Remote signers might support additional commands when communicating directly with it. These commands follow the same flow as noted above, the only difference is that when the client sends a request event, the `p`-tag is the pubkey of the remote signer itself and the `content` payload is encrypted to the same remote signer pubkey.
### Methods/Commands
Each of the following are methods that the client sends to the remote signer.
| Command | Params | Result |
| ---------------- | ------------------------------------------ | ------------------------------------ |
| `create_account` | `[<username>, <domain>, <optional_email>, <optional_requested_permissions>]` | `<newly_created_remote_user_pubkey>` |
## Appendix ## Appendix
### NIP-05 Login Flow ### Announcing _remote-signer_ metadata
Clients might choose to present a more familiar login flow, so users can type a NIP-05 address instead of a `bunker://` string. _remote-signer_ MAY publish it's metadata by using [NIP-05](05.md) and [NIP-89](89.md). With NIP-05, a request to `<remote-signer>/.well-known/nostr.json?name=_` MAY return this:
```jsonc
{
"names":{
"_": <remote-signer-app-pubkey>,
},
"nip46": {
"relays": ["wss://relay1","wss://relay2"...],
"nostrconnect_url": "https://remote-signer-domain.example/<nostrconnect>"
}
}
```
When the user types a NIP-05 the client: The `<remote-signer-app-pubkey>` MAY be used to verify the domain from _remote-signer_'s NIP-89 event (see below). `relays` SHOULD be used to construct a more precise `nostrconnect://` string for the specific `remote-signer`. `nostrconnect_url` template MAY be used to redirect users to _remote-signer_'s connection flow by replacing `<nostrconnect>` placeholder with an actual `nostrconnect://` string.
- Queries the `/.well-known/nostr.json` file from the domain for the NIP-05 address provided to get the user's pubkey (this is the **remote user pubkey**) ### Remote signer discovery via NIP-89
- In the same `/.well-known/nostr.json` file, queries for the `nip46` key to get the relays that the remote signer will be listening on.
- Now the client has enough information to send commands to the remote signer on behalf of the user.
### OAuth-like Flow _remote-signer_ MAY publish a NIP-89 `kind: 31990` event with `k` tag of `24133`, which MAY also include one or more `relay` tags and MAY include `nostrconnect_url` tag. The semantics of `relay` and `nostrconnect_url` tags are the same as in the section above.
#### Remote signer discovery via NIP-89 _client_ MAY improve UX by discovering _remote-signers_ using their `kind: 31990` events. _client_ MAY then pre-generate `nostrconnect://` strings for the _remote-signers_, and SHOULD in that case verify that `kind: 31990` event's author is mentioned in signer's `nostr.json?name=_` file as `<remote-signer-app-pubkey>`.
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`.
These are generally shown to a user, and once the user selects which remote signer to use and provides the remote user pubkey they want to use (via npub, pubkey, or nip-05 value), the client can initiate a connection. Note that it's on the user to select the remote signer that is actually managing the remote key that they would like to use in this case. If the remote user pubkey is managed on another remote signer, the connection will fail.
In addition, it's important that clients validate that the pubkey of the announced remote signer matches the pubkey of the `_` entry in the `/.well-known/nostr.json` file of the remote signer's announced domain.
Clients that allow users to create new accounts should also consider validating the availability of a given username in the namespace of remote signer's domain by checking the `/.well-known/nostr.json` file for existing usernames. Clients can then show users feedback in the UI before sending a `create_account` event to the remote signer and receiving an error in return. Ideally, remote signers would also respond with understandable error messages if a client tries to create an account with an existing username.
#### Example Oauth-like flow to create a new user account with Nsecbunker
Coming soon...
## References
- [NIP-04 - Encryption](https://github.com/nostr-protocol/nips/blob/master/04.md)

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@ -8,37 +8,47 @@ Nostr Wallet Connect
## Rationale ## Rationale
This NIP describes a way for clients to access a remote Lightning wallet through a standardized protocol. Custodians may implement this, or the user may run a bridge that bridges their wallet/node and the Nostr Wallet Connect protocol. This NIP describes a way for clients to access a remote lightning wallet through a standardized protocol. Custodians may implement this, or the user may run a bridge that bridges their wallet/node and the Nostr Wallet Connect protocol.
## Terms ## Terms
* **client**: Nostr app on any platform that wants to pay Lightning invoices. * **client**: Nostr app on any platform that wants to interact with a lightning wallet.
* **user**: The person using the **client**, and want's to connect their wallet app to their **client**. * **user**: The person using the **client**, and wants to connect their wallet to their **client**.
* **wallet service**: Nostr app that typically runs on an always-on computer (eg. in the cloud or on a Raspberry Pi). This app has access to the APIs of the wallets it serves. * **wallet service**: Nostr app that typically runs on an always-on computer (eg. in the cloud or on a Raspberry Pi). This app has access to the APIs of the wallets it serves.
## Theory of Operation ## Theory of Operation
1. **Users** who wish to use this NIP to send lightning payments to other nostr users must first acquire a special "connection" URI from their NIP-47 compliant wallet application. The wallet application may provide this URI using a QR screen, or a pasteable string, or some other means. 1. **Users** who wish to use this NIP to allow **client(s)** to interact with their wallet must first acquire a special "connection" URI from their NIP-47 compliant wallet application. The wallet application may provide this URI using a QR screen, or a pasteable string, or some other means.
2. The **user** should then copy this URI into their **client(s)** by pasting, or scanning the QR, etc. The **client(s)** should save this URI and use it later whenever the **user** makes a payment. The **client** should then request an `info` (13194) event from the relay(s) specified in the URI. The **wallet service** will have sent that event to those relays earlier, and the relays will hold it as a replaceable event. 2. The **user** should then copy this URI into their **client(s)** by pasting, or scanning the QR, etc. The **client(s)** should save this URI and use it later whenever the **user** (or the **client** on the user's behalf) wants to interact with the wallet. The **client** should then request an `info` (13194) event from the relay(s) specified in the URI. The **wallet service** will have sent that event to those relays earlier, and the relays will hold it as a replaceable event.
3. When the **user** initiates a payment their nostr **client** create a `pay_invoice` request, encrypts it using a token from the URI, and sends it (kind 23194) to the relay(s) specified in the connection URI. The **wallet service** will be listening on those relays and will decrypt the request and then contact the **user's** wallet application to send the payment. The **wallet service** will know how to talk to the wallet application because the connection URI specified relay(s) that have access to the wallet app API. 3. When the **user** initiates a payment their nostr **client** create a `pay_invoice` request, encrypts it using a token from the URI, and sends it (kind 23194) to the relay(s) specified in the connection URI. The **wallet service** will be listening on those relays and will decrypt the request and then contact the **user's** wallet application to send the payment. The **wallet service** will know how to talk to the wallet application because the connection URI specified relay(s) that have access to the wallet app API.
4. Once the payment is complete the **wallet service** will send an encrypted `response` (kind 23195) to the **user** over the relay(s) in the URI. 4. Once the payment is complete the **wallet service** will send an encrypted `response` (kind 23195) to the **user** over the relay(s) in the URI.
5. The **wallet service** may send encrypted notifications (kind 23196) of wallet events (such as a received payment) to the **client**.
## Events ## Events
There are three event kinds: There are four event kinds:
- `NIP-47 info event`: 13194 - `NIP-47 info event`: 13194
- `NIP-47 request`: 23194 - `NIP-47 request`: 23194
- `NIP-47 response`: 23195 - `NIP-47 response`: 23195
- `NIP-47 notification event`: 23196
The info event should be a replaceable event that is published by the **wallet service** on the relay to indicate which commands it supports. The content should be ### Info Event
a plaintext string with the supported commands, space-separated, eg. `pay_invoice get_balance`. Only the `pay_invoice` command is described in this NIP, but other commands might be defined in different NIPs.
The info event should be a replaceable event that is published by the **wallet service** on the relay to indicate which capabilities it supports.
The content should be a plaintext string with the supported capabilities space-separated, eg. `pay_invoice get_balance notifications`.
If the **wallet service** supports notifications, the info event SHOULD contain a `notifications` tag with the supported notification types space-separated, eg. `payment_received payment_sent`.
### Request and Response Events
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. 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. 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: Request:
```jsonc ```jsonc
@ -68,6 +78,22 @@ The `result_type` field MUST contain the name of the method that this event is r
The `error` field MUST contain a `message` field with a human readable error message and a `code` field with the error code if the command was not successful. The `error` field MUST contain a `message` field with a human readable error message and a `code` field with the error code if the command was not successful.
If the command was successful, the `error` field must be null. If the command was successful, the `error` field must be null.
### Notification Events
The notification event SHOULD contain one `p` tag, the public key of the **user**.
The content of notifications 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:
```jsonc
{
"notification_type": "payment_received", //indicates the structure of the notification field
"notification": {
"payment_hash": "0123456789abcdef..." // notification-related data
}
}
```
### Error codes ### Error codes
- `RATE_LIMITED`: The client is sending commands too fast. It should retry in a few seconds. - `RATE_LIMITED`: The client is sending commands too fast. It should retry in a few seconds.
- `NOT_IMPLEMENTED`: The command is not known or is intentionally not implemented. - `NOT_IMPLEMENTED`: The command is not known or is intentionally not implemented.
@ -120,7 +146,8 @@ Response:
{ {
"result_type": "pay_invoice", "result_type": "pay_invoice",
"result": { "result": {
"preimage": "0123456789abcdef..." // preimage of the payment "preimage": "0123456789abcdef...", // preimage of the payment
"fees_paid": 123, // value in msats, optional
} }
} }
``` ```
@ -148,14 +175,15 @@ Request:
Response: Response:
For every invoice in the request, a separate response event is sent. To differentiate between the responses, each For every invoice in the request, a separate response event is sent. To differentiate between the responses, each
response event contains an `d` tag with the id of the invoice it is responding to, if no id was given, then the response event contains a `d` tag with the id of the invoice it is responding to, if no id was given, then the
payment hash of the invoice should be used. payment hash of the invoice should be used.
```jsonc ```jsonc
{ {
"result_type": "multi_pay_invoice", "result_type": "multi_pay_invoice",
"result": { "result": {
"preimage": "0123456789abcdef..." // preimage of the payment "preimage": "0123456789abcdef...", // preimage of the payment
"fees_paid": 123, // value in msats, optional
} }
} }
``` ```
@ -173,7 +201,7 @@ Request:
"amount": 123, // invoice amount in msats, required "amount": 123, // invoice amount in msats, required
"pubkey": "03...", // payee pubkey, required "pubkey": "03...", // payee pubkey, required
"preimage": "0123456789abcdef...", // preimage of the payment, optional "preimage": "0123456789abcdef...", // preimage of the payment, optional
"tlv_records: [ // tlv records, optional "tlv_records": [ // tlv records, optional
{ {
"type": 5482373484, // tlv type "type": 5482373484, // tlv type
"value": "0123456789abcdef" // hex encoded tlv value "value": "0123456789abcdef" // hex encoded tlv value
@ -189,6 +217,7 @@ Response:
"result_type": "pay_keysend", "result_type": "pay_keysend",
"result": { "result": {
"preimage": "0123456789abcdef...", // preimage of the payment "preimage": "0123456789abcdef...", // preimage of the payment
"fees_paid": 123, // value in msats, optional
} }
} }
``` ```
@ -208,7 +237,7 @@ Request:
"method": "multi_pay_keysend", "method": "multi_pay_keysend",
"params": { "params": {
"keysends": [ "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"}]}, {"id": "3da52c32a1", "pubkey": "02...", "amount": 567, "preimage": "abc123..", "tlv_records": [{"type": 696969, "value": "77616c5f6872444873305242454d353736"}]},
], ],
} }
@ -225,7 +254,8 @@ pubkey should be used.
{ {
"result_type": "multi_pay_keysend", "result_type": "multi_pay_keysend",
"result": { "result": {
"preimage": "0123456789abcdef..." // preimage of the payment "preimage": "0123456789abcdef...", // preimage of the payment
"fees_paid": 123, // value in msats, optional
} }
} }
``` ```
@ -358,8 +388,7 @@ Request:
```jsonc ```jsonc
{ {
"method": "get_balance", "method": "get_balance",
"params": { "params": {}
}
} }
``` ```
@ -379,8 +408,7 @@ Request:
```jsonc ```jsonc
{ {
"method": "get_info", "method": "get_info",
"params": { "params": {}
}
} }
``` ```
@ -396,6 +424,59 @@ Response:
"block_height": 1, "block_height": 1,
"block_hash": "hex string", "block_hash": "hex string",
"methods": ["pay_invoice", "get_balance", "make_invoice", "lookup_invoice", "list_transactions", "get_info"], // list of supported methods for this connection "methods": ["pay_invoice", "get_balance", "make_invoice", "lookup_invoice", "list_transactions", "get_info"], // list of supported methods for this connection
"notifications": ["payment_received", "payment_sent"], // list of supported notifications for this connection, optional.
}
}
```
## Notifications
### `payment_received`
Description: A payment was successfully received by the wallet.
Notification:
```jsonc
{
"notification_type": "payment_received",
"notification": {
"type": "incoming",
"invoice": "string", // encoded invoice
"description": "string", // invoice's description, optional
"description_hash": "string", // invoice's description hash, optional
"preimage": "string", // payment's preimage
"payment_hash": "string", // Payment hash for the payment
"amount": 123, // value in msats
"fees_paid": 123, // value in msats
"created_at": unixtimestamp, // invoice/payment creation time
"expires_at": unixtimestamp, // invoice expiration time, optional if not applicable
"settled_at": unixtimestamp, // invoice/payment settlement time
"metadata": {} // generic metadata that can be used to add things like zap/boostagram details for a payer name/comment/etc.
}
}
```
### `payment_sent`
Description: A payment was successfully sent by the wallet.
Notification:
```jsonc
{
"notification_type": "payment_sent",
"notification": {
"type": "outgoing",
"invoice": "string", // encoded invoice
"description": "string", // invoice's description, optional
"description_hash": "string", // invoice's description hash, optional
"preimage": "string", // payment's preimage
"payment_hash": "string", // Payment hash for the payment
"amount": 123, // value in msats
"fees_paid": 123, // value in msats
"created_at": unixtimestamp, // invoice/payment creation time
"expires_at": unixtimestamp, // invoice expiration time, optional if not applicable
"settled_at": unixtimestamp, // invoice/payment settlement time
"metadata": {} // generic metadata that can be used to add things like zap/boostagram details for a payer name/comment/etc.
} }
} }
``` ```
@ -409,3 +490,24 @@ Response:
## Using a dedicated relay ## Using a dedicated relay
This NIP does not specify any requirements on the type of relays used. However, if the user is using a custodial service it might make sense to use a relay that is hosted by the custodial service. The relay may then enforce authentication to prevent metadata leaks. Not depending on a 3rd party relay would also improve reliability in this case. This NIP does not specify any requirements on the type of relays used. However, if the user is using a custodial service it might make sense to use a relay that is hosted by the custodial service. The relay may then enforce authentication to prevent metadata leaks. Not depending on a 3rd party relay would also improve reliability in this case.
## Appendix
### Example NIP-47 info event
```jsonc
{
"id": "df467db0a9f9ec77ffe6f561811714ccaa2e26051c20f58f33c3d66d6c2b4d1c",
"pubkey": "c04ccd5c82fc1ea3499b9c6a5c0a7ab627fbe00a0116110d4c750faeaecba1e2",
"created_at": 1713883677,
"kind": 13194,
"tags": [
[
"notifications",
"payment_received payment_sent"
]
],
"content": "pay_invoice pay_keysend get_balance get_info make_invoice lookup_invoice list_transactions multi_pay_invoice multi_pay_keysend sign_message notifications",
"sig": "31f57b369459b5306a5353aa9e03be7fbde169bc881c3233625605dd12f53548179def16b9fe1137e6465d7e4d5bb27ce81fd6e75908c46b06269f4233c845d8"
}
```

6
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@ -15,9 +15,9 @@ extensible framework for performing such queries.
## `search` filter field ## `search` filter field
A new `search` field is introduced for `REQ` messages from clients: A new `search` field is introduced for `REQ` messages from clients:
```json ```jsonc
{ {
... // other fields on filter object...
"search": <string> "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 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. 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 A query string may contain `key:value` pairs (two words separated by colon), these are extensions, relays SHOULD ignore
extensions they don't support. extensions they don't support.

14
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@ -14,9 +14,9 @@ When new items are added to an existing list, clients SHOULD append them to the
## Types of lists ## Types of lists
## Standard lists ### 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. 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.
@ -29,13 +29,14 @@ For example, _mute list_ can contain the public keys of spammers and bad actors
| Public chats | 10005 | [NIP-28](28.md) chat channels the user is in | `"e"` (kind:40 channel 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) | | 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) | | 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) | | Simple groups | 10009 | [NIP-29](29.md) groups the user is in | `"group"` ([NIP-29](29.md) group id + relay URL + optional group name), `"r"` for each relay in use |
| Interests | 10015 | topics a user may be interested in and pointers | `"t"` (hashtags) and `"a"` (kind:30015 interest set) | | 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) | | 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 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) | | Good wiki relays | 10102 | [NIP-54](54.md) relays deemed to only host useful articles | `"relay"` (relay URLs) |
## Sets ### Sets
Sets are lists with well-defined meaning that can enhance the functionality and the UI of clients that rely on them. Unlike standard lists, users are expected to have more than one set of each kind, therefore each of them must be assigned a different `"d"` identifier. Sets are lists with well-defined meaning that can enhance the functionality and the UI of clients that rely on them. Unlike standard lists, users are expected to have more than one set of each kind, therefore each of them must be assigned a different `"d"` identifier.
@ -50,11 +51,12 @@ 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) | | 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 | 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) | | 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) | | 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)) | | 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"` | | 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"` |
## Deprecated standard lists ### Deprecated standard lists
Some clients have used these lists in the past, but they should work on transitioning to the [standard formats](#standard-lists) above. Some clients have used these lists in the past, but they should work on transitioning to the [standard formats](#standard-lists) above.
@ -109,7 +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 ### A _release artifact set_ of an Example App
```json ```jsonc
{ {
"id": "567b41fc9060c758c4216fe5f8d3df7c57daad7ae757fa4606f0c39d4dd220ef", "id": "567b41fc9060c758c4216fe5f8d3df7c57daad7ae757fa4606f0c39d4dd220ef",
"pubkey": "d6dc95542e18b8b7aec2f14610f55c335abebec76f3db9e58c254661d0593a0c", "pubkey": "d6dc95542e18b8b7aec2f14610f55c335abebec76f3db9e58c254661d0593a0c",

29
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@ -6,7 +6,7 @@ Calendar Events
`draft` `optional` `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. 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.
@ -20,7 +20,7 @@ This kind of calendar event starts on a date and ends before a different date in
#### Format #### Format
The format uses a parameterized replaceable event kind `31922`. The format uses an _addressable event_ of `kind:31922`.
The `.content` of these events should be a detailed description of the calendar event. It is required but can be an empty string. The `.content` of these events should be a detailed description of the calendar event. It is required but can be an empty string.
@ -79,7 +79,7 @@ This kind of calendar event spans between a start time and end time.
#### Format #### Format
The format uses a parameterized replaceable event kind `31923`. The format uses an _addressable event_ kind `31923`.
The `.content` of these events should be a detailed description of the calendar event. It is required but can be an empty string. The `.content` of these events should be a detailed description of the calendar event. It is required but can be an empty string.
@ -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. * `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` * `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. * `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 * `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 * `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 * `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 * `t` (optional, repeated) hashtag to categorize calendar event
* `r` (optional, repeated) references / links to web pages, documents, video calls, recorded videos, etc. * `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>"], ["d", "<UUID>"],
["title", "<title of calendar event>"], ["title", "<title of calendar event>"],
["summary", "<brief description of the calendar event>"],
["image", "<string with image URI>"],
// Timestamps // Timestamps
["start", "<Unix timestamp in seconds>"], ["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>"],
["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 // Hashtags
["t", "<tag>"], ["t", "<tag>"],
["t", "<tag>"], ["t", "<tag>"],
@ -178,17 +187,23 @@ 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. 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 ### Format
The format uses a parameterized replaceable event kind `31925`. The format uses an _addressable event_ kind `31925`.
The `.content` of these events is optional and should be a free-form note that adds more context to this calendar event response. The `.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: 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. * `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. * `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`. * `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 ```json
{ {
@ -198,10 +213,12 @@ The list of tags are as follows:
"kind": 31925, "kind": 31925,
"content": "<note>", "content": "<note>",
"tags": [ "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>"], ["d", "<UUID>"],
["status", "<accepted/declined/tentative>"], ["status", "<accepted/declined/tentative>"],
["fb", "<free/busy>"], ["fb", "<free/busy>"],
["p", "<hex pubkey of kind 31922 or 31923 event>", "<optional recommended relay URL>"]
] ]
} }
``` ```

14
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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 ### 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: For example:
```json ```jsonc
{ {
"kind": 30311, "kind": 30311,
"tags": [ "tags": [
@ -35,10 +35,10 @@ For example:
["p", "91cf9..4e5ca", "wss://provider1.com/", "Host", "<proof>"], ["p", "91cf9..4e5ca", "wss://provider1.com/", "Host", "<proof>"],
["p", "14aeb..8dad4", "wss://provider2.com/nostr", "Speaker"], ["p", "14aeb..8dad4", "wss://provider2.com/nostr", "Speaker"],
["p", "612ae..e610f", "ws://provider3.com/ws", "Participant"], ["p", "612ae..e610f", "ws://provider3.com/ws", "Participant"],
["relays", "wss://one.com", "wss://two.com", ...] ["relays", "wss://one.com", "wss://two.com", /*...*/]
], ],
"content": "", "content": "",
... // other fields...
} }
``` ```
@ -64,14 +64,14 @@ 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. 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, "kind": 1311,
"tags": [ "tags": [
["a", "30311:<Community event author pubkey>:<d-identifier of the community>", "<Optional relay url>", "root"], ["a", "30311:<Community event author pubkey>:<d-identifier of the community>", "<Optional relay url>", "root"],
], ],
"content": "Zaps to live streams is beautiful.", "content": "Zaps to live streams is beautiful.",
... // other fields...
} }
``` ```
@ -119,4 +119,4 @@ Common use cases include meeting rooms/workshops, watch-together activities, or
"content": "Zaps to live streams is beautiful.", "content": "Zaps to live streams is beautiful.",
"sig": "997f62ddfc0827c121043074d50cfce7a528e978c575722748629a4137c45b75bdbc84170bedc723ef0a5a4c3daebf1fef2e93f5e2ddb98e5d685d022c30b622" "sig": "997f62ddfc0827c121043074d50cfce7a528e978c575722748629a4137c45b75bdbc84170bedc723ef0a5a4c3daebf1fef2e93f5e2ddb98e5d685d022c30b622"
} }
```` ```

34
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@ -6,12 +6,12 @@ Wiki
`draft` `optional` `draft` `optional`
This NIP defines `kind:30818` (a _parameterized replaceable event_) for long-form text content similar to [NIP-23](23.md), but with one important difference: articles are meant to be 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. 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 are identified by lowercase, normalized ascii `d` tags.
### Articles ### Articles
```jsonc ```json
{ {
"content": "A wiki is a hypertext publication collaboratively edited and managed by its own audience.", "content": "A wiki is a hypertext publication collaboratively edited and managed by its own audience.",
"tags": [ "tags": [
@ -26,21 +26,25 @@ Articles are identified by lowercase, normalized ascii `d` tags.
- Any non-letter character MUST be converted to a `-`. - Any non-letter character MUST be converted to a `-`.
- All letters MUST be converted to lowercase. - All letters MUST be converted to lowercase.
### Content rules ### Content
The content should be Markdown, following the same rules as of [NIP-23](23.md), although it takes some extra (optional) metadata tags: The `content` should be Asciidoc with two extra functionalities: **wikilinks** and **nostr:...** links.
- `title`: for when the display title should be different from the `d` tag. 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.
- `summary`: for display in lists.
- `a` and `e`: for referencing the original event a wiki article was forked from.
One extra functionality is added: **wikilinks**. Unlike normal Markdown links `[]()` that link to 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: 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`; 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`. 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 ### 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. 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.
@ -86,23 +90,23 @@ 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. 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 Markdown? Why Asciidoc?
------------- -------------
If the idea is to make a wiki then the most obvious text format to use is probably the mediawiki/wikitext format used by Wikipedia since it's widely deployed in all mediawiki installations and used for decades with great success. However, it turns out that format is very bloated and convoluted, has way too many features and probably because of that it doesn't have many alternative implementations out there, and the ones that exist are not complete and don't look very trustworthy. Also it is very much a centralized format that can probably be changed at the whims of the Wikipedia owners. 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).
On the other hand, Markdown has proven to work well for small scale wikis and one of the biggest wikis in the planet (which is not very often thought of as a wiki), [StackOverflow](https://stackoverflow.com) and its child sites, and also one of the biggest "personal wiki" software, [Obsidian](https://obsidian.md/). Markdown can probably deliver 95% of the functionality of wikitext. When augmented with tables, diagram generators and MathJax (which are common extensions that exist in the wild and can be included in this NIP) that rate probably goes to 99%, and its simplicity is a huge benefit that can't be overlooked. Wikitext format can also be transpíled into Markdown using Pandoc. Given all that, I think it's a reasonable suspicion that mediawiki is not inherently better than Markdown, the success of Wikipedia probably cannot be predicated on the syntax language choice. 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 # 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. Users can request other users to get their entries merged into someone else's entry by creating a `kind:818` event.
```jsonc ```json
{ {
"content": "I added information about how to make hot ice-creams", "content": "I added information about how to make hot ice-creams",
"kind": 818, "kind": 818,
"tags": [ "tags": [
[ "a", "30818:<destination-pubkey>:hot-ice-creams", "<relay-url>" ], [ "a", "30818:<destination-pubkey>:hot-ice-creams", "<relay-url>" ],
[ "e", "<version-against-which-the-modification-was-made>", "<relay-url>' ], [ "e", "<version-against-which-the-modification-was-made>", "<relay-url>" ],
[ "p", "<destination-pubkey>" ], [ "p", "<destination-pubkey>" ],
[ "e", "<version-to-be-merged>", "<relay-url>", "source" ] [ "e", "<version-to-be-merged>", "<relay-url>", "source" ]
] ]
@ -114,4 +118,4 @@ Users can request other users to get their entries merged into someone else's en
`e` tag: optional version of the article in which this modifications is based `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. `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 (the pubkey being requested to merge something into their article can create [[NIP-25]] reactions that tag the `kind:818` event with `+` or `-` 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 `-`

623
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@ -0,0 +1,623 @@
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 result = activityResult.data?.getStringExtra("result")
// Do something with result ...
}
}
)
```
Create the Intent using the **nostrsigner** scheme:
```kotlin
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("nostrsigner:$content"))
```
Set the Signer package name:
```kotlin
intent.`package` = "com.example.signer"
```
If you are sending multiple intents without awaiting you can add some intent flags to sign all events without opening multiple times the signer
```kotlin
intent.addFlags(Intent.FLAG_ACTIVITY_SINGLE_TOP or Intent.FLAG_ACTIVITY_CLEAR_TOP)
```
If you are developing a signer application them you need to add this to your AndroidManifest.xml so clients can use the intent flags above
```kotlin
android:launchMode="singleTop"
```
Signer MUST answer multiple permissions with an array of results
```kotlin
val results = listOf(
Result(
package = signerPackageName,
result = eventSignture,
id = intentId
)
)
val json = results.toJson()
intent.putExtra("results", json)
```
Send the Intent:
```kotlin
launcher.launch(intent)
```
### Methods
- **get_public_key**
- params:
```kotlin
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("nostrsigner:"))
intent.`package` = "com.example.signer"
intent.putExtra("type", "get_public_key")
// You can send some default permissions for the user to authorize for ever
val permissions = listOf(
Permission(
type = "sign_event",
kind = 22242
),
Permission(
type = "nip44_decrypt"
)
)
intent.putExtra("permissions", permissions.toJson())
context.startActivity(intent)
```
- result:
- If the user approved intent it will return the **pubkey** in the result field
```kotlin
val pubkey = intent.data?.getStringExtra("result")
// The package name of the signer application
val packageName = intent.data?.getStringExtra("package")
```
- **sign_event**
- params:
```kotlin
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("nostrsigner:$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 pubkey
intent.putExtra("current_user", pubkey)
context.startActivity(intent)
```
- result:
- If the user approved intent it will return the **result**, **id** and **event** fields
```kotlin
val signature = intent.data?.getStringExtra("result")
// 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:$plaintext"))
intent.`package` = "com.example.signer"
intent.putExtra("type", "nip04_encrypt")
// to control the result in your application in case you are not waiting the result before sending another intent
intent.putExtra("id", "some_id")
// Send the current logged in user pubkey
intent.putExtra("current_user", account.keyPair.pubkey)
// Send the hex pubkey that will be used for encrypting the data
intent.putExtra("pubkey", pubkey)
context.startActivity(intent)
```
- result:
- If the user approved intent it will return the **result** and **id** fields
```kotlin
val encryptedText = intent.data?.getStringExtra("result")
// the id you sent
val id = intent.data?.getStringExtra("id")
```
- **nip44_encrypt**
- params:
```kotlin
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("nostrsigner:$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 pubkey
intent.putExtra("current_user", account.keyPair.pubkey)
// 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:$encryptedText"))
intent.`package` = "com.example.signer"
intent.putExtra("type", "nip04_decrypt")
// to control the result in your application in case you are not waiting the result before sending another intent
intent.putExtra("id", "some_id")
// Send the current logged in user pubkey
intent.putExtra("current_user", account.keyPair.pubkey)
// Send the hex pubkey that will be used for decrypting the data
intent.putExtra("pubkey", pubkey)
context.startActivity(intent)
```
- result:
- If the user approved intent it will return the **result** and **id** fields
```kotlin
val plainText = intent.data?.getStringExtra("result")
// the id you sent
val id = intent.data?.getStringExtra("id")
```
- **nip44_decrypt**
- params:
```kotlin
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("nostrsigner:$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 pubkey
intent.putExtra("current_user", account.keyPair.pubkey)
// 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 **result** and **id** fields
```kotlin
val plainText = intent.data?.getStringExtra("result")
// the id you sent
val id = intent.data?.getStringExtra("id")
```
- **get_relays**
- params:
```kotlin
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("nostrsigner:"))
intent.`package` = "com.example.signer"
intent.putExtra("type", "get_relays")
// 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 pubkey
intent.putExtra("current_user", account.keyPair.pubkey)
context.startActivity(intent)
```
- result:
- If the user approved intent it will return the **result** and **id** fields
```kotlin
val relayJsonText = intent.data?.getStringExtra("result")
// the id you sent
val id = intent.data?.getStringExtra("id")
```
- **decrypt_zap_event**
- params:
```kotlin
val intent = Intent(Intent.ACTION_VIEW, Uri.parse("nostrsigner:$eventJson"))
intent.`package` = "com.example.signer"
intent.putExtra("type", "decrypt_zap_event")
// to control the result in your application in case you are not waiting the result before sending another intent
intent.putExtra("id", "some_id")
// Send the current logged in user pubkey
intent.putExtra("current_user", account.keyPair.pubkey)
context.startActivity(intent)
```
- result:
- If the user approved intent it will return the **result** and **id** fields
```kotlin
val eventJson = intent.data?.getStringExtra("result")
// the id you sent
val id = intent.data?.getStringExtra("id")
```
## Using Content Resolver
To get the result back from Signer Application you should use contentResolver.query in Kotlin. If you are using another framework check the documentation of your framework or a third party library to get the result.
If the user did not check the "remember my choice" option, the pubkey is not in Signer Application or the signer type is not recognized the `contentResolver` will return null
For the SIGN_EVENT type Signer Application returns two columns "result" and "event". The column event is the signed event json
For the other types Signer Application returns the column "result"
If the user chose to always reject the event, signer application will return the column "rejected" and you should not open signer application
### Methods
- **get_public_key**
- params:
```kotlin
val result = context.contentResolver.query(
Uri.parse("content://com.example.signer.GET_PUBLIC_KEY"),
listOf("login"),
null,
null,
null
)
```
- result:
- Will return the **pubkey** in the result column
```kotlin
if (result == null) return
if (result.moveToFirst()) {
val index = it.getColumnIndex("result")
if (index < 0) return
val pubkey = it.getString(index)
}
```
- **sign_event**
- params:
```kotlin
val result = context.contentResolver.query(
Uri.parse("content://com.example.signer.SIGN_EVENT"),
listOf("$eventJson", "", "${logged_in_user_pubkey}"),
null,
null,
null
)
```
- result:
- Will return the **result** and the **event** columns
```kotlin
if (result == null) return
if (result.moveToFirst()) {
val index = it.getColumnIndex("result")
val indexJson = it.getColumnIndex("event")
val signature = it.getString(index)
val eventJson = it.getString(indexJson)
}
```
- **nip04_encrypt**
- params:
```kotlin
val result = context.contentResolver.query(
Uri.parse("content://com.example.signer.NIP04_ENCRYPT"),
listOf("$plainText", "${hex_pub_key}", "${logged_in_user_pubkey}"),
null,
null,
null
)
```
- result:
- Will return the **result** column
```kotlin
if (result == null) return
if (result.moveToFirst()) {
val index = it.getColumnIndex("result")
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}", "${logged_in_user_pubkey}"),
null,
null,
null
)
```
- result:
- Will return the **result** column
```kotlin
if (result == null) return
if (result.moveToFirst()) {
val index = it.getColumnIndex("result")
val encryptedText = it.getString(index)
}
```
- **nip04_decrypt**
- params:
```kotlin
val result = context.contentResolver.query(
Uri.parse("content://com.example.signer.NIP04_DECRYPT"),
listOf("$encryptedText", "${hex_pub_key}", "${logged_in_user_pubkey}"),
null,
null,
null
)
```
- result:
- Will return the **result** column
```kotlin
if (result == null) return
if (result.moveToFirst()) {
val index = it.getColumnIndex("result")
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}", "${logged_in_user_pubkey}"),
null,
null,
null
)
```
- result:
- Will return the **result** column
```kotlin
if (result == null) return
if (result.moveToFirst()) {
val index = it.getColumnIndex("result")
val encryptedText = it.getString(index)
}
```
- **get_relays**
- params:
```kotlin
val result = context.contentResolver.query(
Uri.parse("content://com.example.signer.GET_RELAYS"),
listOf("${logged_in_user_pubkey}"),
null,
null,
null
)
```
- result:
- Will return the **result** column
```kotlin
if (result == null) return
if (result.moveToFirst()) {
val index = it.getColumnIndex("result")
val relayJsonText = 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_pubkey}"),
null,
null,
null
)
```
- result:
- Will return the **result** column
```kotlin
if (result == null) return
if (result.moveToFirst()) {
val index = it.getColumnIndex("result")
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=${hex_pub_key}&compressionType=none&returnType=signature&type=nip44_decrypt&callbackUrl=https://example.com/?event=`;
```
- **get_relays**
- params:
```js
window.href = `nostrsigner:?compressionType=none&returnType=signature&type=get_relays&callbackUrl=https://example.com/?event=`;
```
- **decrypt_zap_event**
- params:
```js
window.href = `nostrsigner:${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>
```

12
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@ -41,7 +41,7 @@ further qualification and querying.
Example events Example events
-------------- --------------
```json ```jsonc
{ {
"kind": 1984, "kind": 1984,
"tags": [ "tags": [
@ -50,9 +50,11 @@ Example events
["l", "NS-nud", "social.nos.ontology"] ["l", "NS-nud", "social.nos.ontology"]
], ],
"content": "", "content": "",
... // other fields...
} }
```
```jsonc
{ {
"kind": 1984, "kind": 1984,
"tags": [ "tags": [
@ -60,16 +62,18 @@ Example events
["p", <pubkey>] ["p", <pubkey>]
], ],
"content": "He's insulting the king!", "content": "He's insulting the king!",
... // other fields...
} }
```
```jsonc
{ {
"kind": 1984, "kind": 1984,
"tags": [ "tags": [
["p", <impersonator pubkey>, "impersonation"] ["p", <impersonator pubkey>, "impersonation"]
], ],
"content": "Profile is impersonating nostr:<victim bech32 pubkey>", "content": "Profile is impersonating nostr:<victim bech32 pubkey>",
... // other fields...
} }
``` ```

8
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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: 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. - `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: Example:
@ -66,7 +66,7 @@ A signed `zap request` event is not published, but is instead sent using a HTTP
- `nostr` is the `9734` `zap request` event, JSON encoded then URI encoded - `nostr` is the `9734` `zap request` event, JSON encoded then URI encoded
- `lnurl` is the lnurl pay url of the recipient, encoded using bech32 with the prefix `lnurl` - `lnurl` is the lnurl pay url of the recipient, encoded using bech32 with the prefix `lnurl`
This request should return a JSON response with a `pr` key, which is the invoice the sender must pay to finalize his zap. Here is an example flow in javascript: This request should return a JSON response with a `pr` key, which is the invoice the sender must pay to finalize their zap. Here is an example flow in javascript:
```javascript ```javascript
const senderPubkey // The sender's pubkey const senderPubkey // The sender's pubkey
@ -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. - 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). - `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 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. - `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. - 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`). 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": [ "tags": [
[ "zap", "82341f882b6eabcd2ba7f1ef90aad961cf074af15b9ef44a09f9d2a8fbfbe6a2", "wss://nostr.oxtr.dev", "1" ], // 25% [ "zap", "82341f882b6eabcd2ba7f1ef90aad961cf074af15b9ef44a09f9d2a8fbfbe6a2", "wss://nostr.oxtr.dev", "1" ], // 25%

17
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@ -9,12 +9,11 @@ Badges
Three special events are used to define, award and display badges in Three special events are used to define, award and display badges in
user profiles: 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. 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.
3. A "Profile Badges" event is defined as a parameterized replaceable event 3. A "Profile Badges" event is defined as an _addressable event_ with kind `30008` with a `d` tag with the value `profile_badges`.
with kind `30008` with a `d` tag with the value `profile_badges`.
Profile badges contain an ordered list of pairs of `a` and `e` tags referencing a `Badge Definition` and a `Badge Award` for each badge to be displayed. Profile badges contain an ordered list of pairs of `a` and `e` tags referencing a `Badge Definition` and a `Badge Award` for each badge to be displayed.
### Badge Definition event ### Badge Definition event
@ -74,7 +73,7 @@ Clients SHOULD attempt to render the most appropriate badge thumbnail according
### Example of a Badge Definition event ### Example of a Badge Definition event
```json ```jsonc
{ {
"pubkey": "alice", "pubkey": "alice",
"kind": 30009, "kind": 30009,
@ -85,13 +84,13 @@ Clients SHOULD attempt to render the most appropriate badge thumbnail according
["image", "https://nostr.academy/awards/bravery.png", "1024x1024"], ["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 ### Example of Badge Award event
```json ```jsonc
{ {
"id": "<badge award event id>", "id": "<badge award event id>",
"kind": 8, "kind": 8,
@ -101,14 +100,14 @@ Clients SHOULD attempt to render the most appropriate badge thumbnail according
["p", "bob", "wss://relay"], ["p", "bob", "wss://relay"],
["p", "charlie", "wss://relay"] ["p", "charlie", "wss://relay"]
], ],
... // other fields...
} }
``` ```
### Example of a Profile Badges event ### Example of a Profile Badges event
Honorable Bob The Brave: Honorable Bob The Brave:
```json ```jsonc
{ {
"kind": 30008, "kind": 30008,
"pubkey": "bob", "pubkey": "bob",
@ -119,6 +118,6 @@ Honorable Bob The Brave:
["a", "30009:alice:honor"], ["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 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. 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>", "id": "<id>",
"pubkey": "<real author's pubkey>", "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 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. 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>", "id": "<id>",
"pubkey": "<random, one-time-use pubkey>", "pubkey": "<random, one-time-use pubkey>",
@ -245,7 +245,7 @@ const rumor = createRumor(
const seal = createSeal(rumor, senderPrivateKey, recipientPublicKey) const seal = createSeal(rumor, senderPrivateKey, recipientPublicKey)
const wrap = createWrap(seal, recipientPublicKey) const wrap = createWrap(seal, recipientPublicKey)
// Recipient unwraps with his/her private key. // Recipient unwraps with their private key.
const unwrappedSeal = nip44Decrypt(wrap, recipientPrivateKey) const unwrappedSeal = nip44Decrypt(wrap, recipientPrivateKey)
const unsealedRumor = nip44Decrypt(unwrappedSeal, recipientPrivateKey) const unsealedRumor = nip44Decrypt(unwrappedSeal, recipientPrivateKey)

205
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@ -0,0 +1,205 @@
# NIP-60
## Cashu Wallet
`draft` `optional`
This NIP defines the operations of a cashu-based wallet.
A cashu wallet is a wallet which information is stored in relays to make it accessible across applications.
The purpose of this NIP is:
* ease-of-use: new users immediately are able to receive funds without creating accounts with other services.
* interoperability: users' wallets follows them across applications.
This NIP doesn't deal with users' *receiving* money from someone else, it's just to keep state of the user's wallet.
# High-level flow
1. A user has a `kind:37375` event that represents a wallet.
2. A user has `kind:7375` events that represent the unspent proofs of the wallet. -- The proofs are encrypted with the user's private key.
3. A user has `kind:7376` events that represent the spending history of the wallet -- This history is for informational purposes only and is completely optional.
## Wallet Event
```jsonc
{
"kind": 37375,
"content": nip44_encrypt([
[ "balance", "100", "sat" ],
[ "privkey", "hexkey" ] // explained in NIP-61
]),
"tags": [
[ "d", "my-wallet" ],
[ "mint", "https://mint1" ],
[ "mint", "https://mint2" ],
[ "mint", "https://mint3" ],
[ "name", "my shitposting wallet" ],
[ "unit", "sat" ],
[ "description", "a wallet for my day-to-day shitposting" ],
[ "relay", "wss://relay1" ],
[ "relay", "wss://relay2" ],
]
}
```
The wallet event is a parameterized replaceable event `kind:37375`.
Tags:
* `d` - wallet ID.
* `mint` - Mint(s) this wallet uses -- there MUST be one or more mint tags.
* `relay` - Relays where the wallet and related events can be found. -- one ore more relays SHOULD be specified. If missing, clients should follow [[NIP-65]].
* `unit` - Base unit of the wallet (e.g. "sat", "usd", etc).
* `name` - Optional human-readable name for the wallet.
* `description` - Optional human-readable description of the wallet.
* `balance` - Optional best-effort balance of the wallet that can serve as a placeholder while an accurate balance is computed from fetching all unspent proofs.
* `privkey` - Private key used to unlock P2PK ecash. MUST be stored encrypted in the `.content` field. **This is a different private key exclusively used for the wallet, not associated in any way to the user's nostr private key** -- This is only used when receiving funds from others, described in NIP-61.
Any tag, other than the `d` tag, can be [[NIP-44]] encrypted into the `.content` field.
### Deleting a wallet event
Due to PRE being hard to delete, if a user wants to delete a wallet, they should empty the event and keep just the `d` identifier and add a `deleted` tag.
## Token Event
Token events are used to record the unspent proofs that come from the mint.
There can be multiple `kind:7375` events for the same mint, and multiple proofs inside each `kind:7375` event.
```jsonc
{
"kind": 7375,
"content": nip44_encrypt({
"mint": "https://stablenut.umint.cash",
"proofs": [
{
"id": "005c2502034d4f12",
"amount": 1,
"secret": "z+zyxAVLRqN9lEjxuNPSyRJzEstbl69Jc1vtimvtkPg=",
"C": "0241d98a8197ef238a192d47edf191a9de78b657308937b4f7dd0aa53beae72c46"
}
]
}),
"tags": [
[ "a", "37375:<pubkey>:my-wallet" ]
]
}
```
`.content` is a [[NIP-44]] encrypted payload storing the mint and the unencoded proofs.
* `a` an optional tag linking the token to a specific wallet.
### Spending proofs
When one or more proofs of a token are spent, the token event should be [[NIP-09]]-deleted and, if some proofs are unspent from the same token event, a new token event should be created rolling over the unspent proofs and adding any change outputs to the new token event.
## Spending History Event
Clients SHOULD publish `kind:7376` events to create a transaction history when their balance changes.
```jsonc
{
"kind": 7376,
"content": nip44_encrypt([
[ "direction", "in" ], // in = received, out = sent
[ "amount", "1", "sat" ],
[ "e", "<event-id-of-spent-token>", "<relay-hint>", "created" ],
]),
"tags": [
[ "a", "37375:<pubkey>:my-wallet" ],
]
}
```
* `direction` - The direction of the transaction; `in` for received funds, `out` for sent funds.
* `a` - The wallet the transaction is related to.
Clients MUST add `e` tags to create references of destroyed and created token events along with the marker of the meaning of the tag:
* `created` - A new token event was created.
* `destroyed` - A token event was destroyed.
* `redeemed` - A [[NIP-61]] nutzap was redeemed.
All tags can be [[NIP-44]] encrypted. Clients SHOULD leave `e` tags with a `redeemed` marker unencrypted.
Multiple `e` tags can be added to a `kind:7376` event.
# Flow
A client that wants to check for user's wallets information starts by fetching `kind:10019` events from the user's relays, if no event is found, it should fall back to using the user's [[NIP-65]] relays.
## Fetch wallet and token list
From those relays, the client should fetch wallet and token events.
`"kinds": [37375, 7375], "authors": ["<my-pubkey>"]`
## Fetch proofs
While the client is fetching (and perhaps validating) proofs it can use the optional `balance` tag of the wallet event to display a estimate of the balance of the wallet.
## Spending token
If Alice spends 4 sats from this token event
```jsonconc
{
"kind": 7375,
"id": "event-id-1",
"content": nip44_encrypt({
"mint": "https://stablenut.umint.cash",
"proofs": [
{ "id": "1", "amount": 1 },
{ "id": "2", "amount": 2 },
{ "id": "3", "amount": 4 },
{ "id": "4", "amount": 8 },
]
}),
"tags": [
[ "a", "37375:<pubkey>:my-wallet" ]
]
}
```
Her client:
* MUST roll over the unspent proofs:
```jsonconc
{
"kind": 7375,
"id": "event-id-2",
"content": nip44_encrypt({
"mint": "https://stablenut.umint.cash",
"proofs": [
{ "id": "1", "amount": 1 },
{ "id": "2", "amount": 2 },
{ "id": "4", "amount": 8 },
]
}),
"tags": [
[ "a", "37375:<pubkey>:my-wallet" ]
]
}
```
* MUST delete event `event-id-1`
* SHOULD create a `kind:7376` event to record the spend
```jsonconc
{
"kind": 7376,
"content": nip44_encrypt([
[ "direction", "out" ],
[ "amount", "4", "sats" ],
[ "e", "<event-id-1>", "<relay-hint>", "destroyed" ],
[ "e", "<event-id-2>", "<relay-hint>", "created" ],
]),
"tags": [
[ "a", "37375:<pubkey>:my-wallet" ],
]
}
```
## Redeeming a quote (optional)
When creating a quote at a mint, an event can be used to keep the state of the quote ID, which will be used to check when the quote has been paid. These events should be created with an expiration tag [[NIP-40]] matching the expiration of the bolt11 received from the mint; this signals to relays when they can safely discard these events.
Application developers are encouraged to use local state when possible and only publish this event when it makes sense in the context of their application.
```jsonc
{
"kind": 7374,
"content": nip44_encrypt("quote-id"),
"tags": [
[ "expiration", "<expiration-timestamp>" ],
[ "mint", "<mint-url>" ],
[ "a", "37375:<pubkey>:my-wallet" ]
]
}
```
## Appendix 1: Validating proofs
Clients can optionally validate proofs to make sure they are not working from an old state; this logic is left up to particular implementations to decide when and why to do it, but if some proofs are checked and deemed to have been spent, the client should delete the token and roll over any unspent proof.

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# NIP-61:
## Nut Zaps
A Nut Zap is a P2PK cashu token where the payment itself is the receipt.
# High-level flow
Alice wants to nutzap 1 sat to Bob because of an event `event-id-1` she liked.
## Alice nutzaps Bob
1. Alice fetches event `kind:10019` from Bob to see the mints Bob trusts.
2. She mints a token at that mint (or swaps some tokens she already had in that mint) p2pk-locked to the pubkey Bob has listed in his `kind:10019`.
3. She publishes a `kind:9321` event to the relays Bob indicated with the proofs she minted.
## Bob receives the nutzap
1. At some point, Bob's client fetches `kind:9321` events p-tagging him from his relays.
2. Bob's client swaps the token into his wallet.
# Nutzap informational event
```jsonc
{
"kind": 10019,
"tags": [
[ "relay", "wss://relay1" ],
[ "relay", "wss://relay2" ],
[ "mint", "https://mint1", "usd", "sat" ],
[ "mint", "https://mint2", "sat" ],
[ "pubkey", "<p2pk-pubkey>" ]
]
}
```
`kind:10019` is an event that is useful for others to know how to send money to the user.
* `relay` - Relays where the user will be reading token events from. If a user wants to send money to the user, they should write to these relays.
* `mint` - Mints the user is explicitly agreeing to use to receive funds on. Clients SHOULD not send money on mints not listed here or risk burning their money. Additional markers can be used to list the supported base units of the mint.
* `pubkey` - Pubkey that SHOULD be used to P2PK-lock receiving nutzaps. If not present, clients SHOULD use the pubkey of the recipient. This is explained in Appendix 1.
## Nutzap event
Event `kind:9321` is a nutzap event published by the sender, p-tagging the recipient. The outputs are P2PK-locked to the pubkey the recipient indicated in their `kind:10019` event or to the recipient pubkey if the `kind:10019` event doesn't have a explicit pubkey.
Clients MUST prefix the pubkey they p2pk-lock with `"02"` (for nostr<>cashu pubkey compatibility).
```jsonc
{
kind: 9321,
content: "Thanks for this great idea.",
pubkey: "sender-pubkey",
tags: [
[ "amount", "1" ],
[ "unit", "sat" ],
[ "proof", "{\"amount\":1,\"C\":\"02277c66191736eb72fce9d975d08e3191f8f96afb73ab1eec37e4465683066d3f\",\"id\":\"000a93d6f8a1d2c4\",\"secret\":\"[\\\"P2PK\\\",{\\\"nonce\\\":\\\"b00bdd0467b0090a25bdf2d2f0d45ac4e355c482c1418350f273a04fedaaee83\\\",\\\"data\\\":\\\"02eaee8939e3565e48cc62967e2fde9d8e2a4b3ec0081f29eceff5c64ef10ac1ed\\\"}]\"}" ],
[ "u", "https://stablenut.umint.cash", ],
[ "e", "<zapped-event-id>", "<relay-hint>" ],
[ "p", "e9fbced3a42dcf551486650cc752ab354347dd413b307484e4fd1818ab53f991" ], // recipient of nut zap
]
}
```
* `.content` is an optional comment for the nutzap
* `amount` is a shorthand for the combined amount of all outputs. -- Clients SHOULD validate that the sum of the amounts in the outputs matches.
* `unit` is the base unit of the amount.
* `proof` is one ore more proofs p2pk-locked to the pubkey the recipient specified in their `kind:10019` event.
* `u` is the mint the URL of the mint EXACTLY as specified by the recipient's `kind:10019`.
* `e` zero or one event that is being nutzapped.
* `p` exactly one pubkey, specifying the recipient of the nutzap.
WIP: Clients SHOULD embed a DLEQ proof in the nutzap event to make it possible to verify nutzaps without talking to the mint.
# Sending a nutzap
* The sender fetches the recipient's `kind:10019`.
* The sender mints/swaps ecash on one of the recipient's listed mints.
* The sender p2pk locks to the recipient's specified pubkey in their
# Receiving nutzaps
Clients should REQ for nut zaps:
* Filtering with `#u` for mints they expect to receive ecash from.
* this is to prevent even interacting with mints the user hasn't explicitly signaled.
* Filtering with `since` of the most recent `kind:7376` event the same user has created.
* this can be used as a marker of the nut zaps that have already been swaped by the user -- clients might choose to use other kinds of markers, including internal state -- this is just a guidance of one possible approach.
Clients MIGHT choose to use some kind of filtering (e.g. WoT) to ignore spam.
`{ "kinds": [9321], "#p": "my-pubkey", "#u": [ "<mint-1>", "<mint-2>"], "since": <latest-created_at-of-kind-7376> }`.
Upon receiving a new nut zap, the client should swap the tokens into a wallet the user controls, either a [[NIP-60]] wallet, their own LN wallet or anything else.
## Updating nutzap-redemption history
When claiming a token the client SHOULD create a `kind:7376` event and `e` tag the original nut zap event. This is to record that this token has already been claimed (and shouldn't be attempted again) and as signaling to the recipient that the ecash has been redeemed.
Multiple `kind:9321` events can be tagged in the same `kind:7376` event.
```jsonc
{
"kind": 7376,
"content": nip44_encrypt([
[ "direction", "in" ], // in = received, out = sent
[ "amount", "1", "sat" ],
[ "e", "<7375-event-id>", "relay-hint", "created" ] // new token event that was created
]),
"tags": [
[ "a", "37375:<pubkey>:my-wallet" ], // an optional wallet tag
[ "e", "<9321-event-id>", "relay-hint", "redeemed" ], // nutzap event that has been redeemed
[ "p", "sender-pubkey" ] // pubkey of the author of the 9321 event (nutzap sender)
]
}
```
Events that redeem a nutzap SHOULD be published to the sender's [[NIP-65]] relays.
## Verifying a Cashu Zap
* Clients SHOULD check that the receiving user has issued a `kind:10019` tagging the mint where the cashu has been minted.
* Clients SHOULD check that the token is locked to the pubkey the user has listed in their `kind:10019`.
## Final Considerations
1. Clients SHOULD guide their users to use NUT-11 (P2PK) compatible-mints in their `kind:10019` event to avoid receiving nut zaps anyone can spend
2. Clients SHOULD normalize and deduplicate mint URLs as described in NIP-65.
3. A nut zap MUST be sent to a mint the recipient has listed in their `kind:10019` event or to the NIP-65 relays of the recipient, failure to do so may result in the recipient donating the tokens to the mint since the recipient might never see the event.
## Appendix 1: Alternative P2PK pubkey
Clients might not have access to the user's private key (i.e. NIP-07, NIP-46 signing) and, as such, the private key to sign cashu spends might not be available, which would make spending the P2PK incoming nutzaps impossible.
For this scenarios clients can:
* add a `pubkey` tag to the `kind:10019` (indicating which pubkey senders should P2PK to)
* store the private key in the `kind:37375` event in the nip44-encrypted `content` field.
This is to avoid depending on NIP-07/46 adaptations to sign cashu payloads.

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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. The `.content` is not used.
```json ```jsonc
{ {
"kind": 10002, "kind": 10002,
"tags": [ "tags": [
@ -22,7 +22,7 @@ The `.content` is not used.
["r", "wss://nostr-relay.example.com", "read"] ["r", "wss://nostr-relay.example.com", "read"]
], ],
"content": "", "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: When broadcasting an event, Clients SHOULD:
- Broadcast the event to the WRITE relays of the author - 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 ## 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. 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). 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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NIP-68
======
Picture-first feeds
-------------------
`draft` `optional`
This NIP defines event kind `20` for picture-first clients. Images must be self-contained. They are hosted externally and referenced using `imeta` tags.
The idea is for this type of event to cater to Nostr clients resembling platforms like Instagram, Flickr, Snapchat, or 9GAG, where the picture itself takes center stage in the user experience.
## Picture Events
Picture events contain a `title` tag and description in the `.content`.
They may contain multiple images to be displayed as a single post.
```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": 20,
"content": "<description of post>",
"tags": [
["title", "<short title of post>"],
// Picture Data
[
"imeta",
"url https://nostr.build/i/my-image.jpg",
"m image/jpeg",
"blurhash eVF$^OI:${M{o#*0-nNFxakD-?xVM}WEWB%iNKxvR-oetmo#R-aen$",
"dim 3024x4032",
"alt A scenic photo overlooking the coast of Costa Rica",
"x <sha256 hash as specified in NIP 94>",
"fallback https://nostrcheck.me/alt1.jpg",
"fallback https://void.cat/alt1.jpg"
],
[
"imeta",
"url https://nostr.build/i/my-image2.jpg",
"m image/jpeg",
"blurhash eVF$^OI:${M{o#*0-nNFxakD-?xVM}WEWB%iNKxvR-oetmo#R-aen$",
"dim 3024x4032",
"alt Another scenic photo overlooking the coast of Costa Rica",
"x <sha256 hash as specified in NIP 94>",
"fallback https://nostrcheck.me/alt2.jpg",
"fallback https://void.cat/alt2.jpg",
"annotate-user <32-bytes hex of a pubkey>:<posX>:<posY>" // Tag users in specific locations in the picture
],
["content-warning", "<reason>"], // if NSFW
// Tagged users
["p", "<32-bytes hex of a pubkey>", "<optional recommended relay URL>"],
["p", "<32-bytes hex of a pubkey>", "<optional recommended relay URL>"],
// Specify the media type for filters to allow clients to filter by supported kinds
["m", "image/jpeg"],
// Hashes of each image to make them queryable
["x", "<sha256>"]
// Hashtags
["t", "<tag>"],
["t", "<tag>"],
// location
["location", "<location>"], // city name, state, country
["g", "<geohash>"],
// When text is written in the image, add the tag to represent the language
["L", "ISO-639-1"],
["l", "en", "ISO-639-1"]
]
}
```
The `imeta` tag `annotate-user` places a user link in the specific position in the image.
Only the following media types are accepted:
- `image/apng`: Animated Portable Network Graphics (APNG)
- `image/avif`: AV1 Image File Format (AVIF)
- `image/gif`: Graphics Interchange Format (GIF)
- `image/jpeg`: Joint Photographic Expert Group image (JPEG)
- `image/png`: Portable Network Graphics (PNG)
- `image/webp`: Web Picture format (WEBP)
Picture events might be used with [NIP-71](71.md)'s kind `34236` to display short vertical videos in the same feed.

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# NIP-69
## Peer-to-peer Order events
`draft` `optional`
## Abstract
Peer-to-peer (P2P) platforms have seen an upturn in recent years, while having more and more options is positive, in the specific case of p2p, having several options contributes to the liquidity split, meaning sometimes there's not enough assets available for trading. If we combine all these individual solutions into one big pool of orders, it will make them much more competitive compared to centralized systems, where a single authority controls the liquidity.
This NIP defines a simple standard for peer-to-peer order events, which enables the creation of a big liquidity pool for all p2p platforms participating.
## The event
Events are [addressable events](https://github.com/nostr-protocol/nips/blob/master/01.md#kinds) and use `38383` as event kind, a p2p event look like this:
```json
{
"id": "84fad0d29cb3529d789faeff2033e88fe157a48e071c6a5d1619928289420e31",
"pubkey": "dbe0b1be7aafd3cfba92d7463edbd4e33b2969f61bd554d37ac56f032e13355a",
"created_at": 1702548701,
"kind": 38383,
"tags": [
["d", "ede61c96-4c13-4519-bf3a-dcf7f1e9d842"],
["k", "sell"],
["f", "VES"],
["s", "pending"],
["amt", "0"],
["fa", "100"],
["pm", "face to face", "bank transfer"],
["premium", "1"],
[
"rating",
"{\"total_reviews\":1,\"total_rating\":3.0,\"last_rating\":3,\"max_rate\":5,\"min_rate\":1}"
],
["source", "https://t.me/p2plightning/xxxxxxx"],
["network", "mainnet"],
["layer", "lightning"],
["name", "Nakamoto"],
["g", "<geohash>"],
["bond", "0"],
["expiration", "1719391096"],
["y", "lnp2pbot"],
["z", "order"]
],
"content": "",
"sig": "7e8fe1eb644f33ff51d8805c02a0e1a6d034e6234eac50ef7a7e0dac68a0414f7910366204fa8217086f90eddaa37ded71e61f736d1838e37c0b73f6a16c4af2"
}
```
## Tags
- `d` < Order ID >: A unique identifier for the order.
- `k` < Order type >: `sell` or `buy`.
- `f` < Currency >: The asset being traded, using the [ISO 4217](https://en.wikipedia.org/wiki/ISO_4217) standard.
- `s` < Status >: `pending`, `canceled`, `in-progress`, `success`.
- `amt` < Amount >: The amount of Bitcoin to be traded, the amount is defined in satoshis, if `0` means that the amount of satoshis will be obtained from a public API after the taker accepts the order.
- `fa` < Fiat amount >: The fiat amount being traded, for range orders two values are expected, the minimum and maximum amount.
- `pm` < Payment method >: The payment method used for the trade, if the order has multiple payment methods, they should be separated by a comma.
- `premium` < Premium >: The percentage of the premium the maker is willing to pay.
- `source` [Source]: The source of the order, it can be a URL that redirects to the order.
- `rating` [Rating]: The rating of the maker, this document does not define how the rating is calculated, it's up to the platform to define it.
- `network` < Network >: The network used for the trade, it can be `mainnet`, `testnet`, `signet`, etc.
- `layer` < Layer >: The layer used for the trade, it can be `onchain`, `lightning`, `liquid`, etc.
- `name` [Name]: The name of the maker.
- `g` [Geohash]: The geohash of the operation, it can be useful in a face to face trade.
- `bond` [Bond]: The bond amount, the bond is a security deposit that both parties must pay.
- `expiration` < Expiration\>: The expiration date of the order ([NIP-40](https://github.com/nostr-protocol/nips/blob/master/40.md)).
- `y` < Platform >: The platform that created the order.
- `z` < Document >: `order`.
Mandatory tags are enclosed with `<tag>`, optional tags are enclosed with `[tag]`.
## Implementations
Currently implemented on the following platforms:
- [Mostro](https://github.com/MostroP2P/mostro)
- [@lnp2pBot](https://github.com/lnp2pBot/bot)
- [Robosats](https://github.com/RoboSats/robosats/pull/1362)
## References
- [Mostro protocol specification](https://mostro.network/protocol/)
- [Messages specification for peer 2 peer NIP proposal](https://github.com/nostr-protocol/nips/blob/8250274a22f4882f621510df0054fd6167c10c9e/31001.md)
- [n3xB](https://github.com/nobu-maeda/n3xb)

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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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@ -2,11 +2,11 @@ NIP-71
====== ======
Video Events Video Events
--------------- ------------
`draft` `optional` `draft` `optional`
This specification defines video events representing a dedicated post of externally hosted content. These video events are _parameterized replaceable_ and deletable per [NIP-09](09.md). 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. 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.
@ -16,25 +16,64 @@ There are two types of video events represented by different kinds: horizontal a
#### Format #### Format
The format uses a parameterized replaceable event kind `34235` for horizontal videos and `34236` for vertical videos. The format uses an _addressable 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 `.content` of these events is a summary or description on the video content.
The list of tags are as follows: The primary source of video information is the `imeta` tags which is defined in [NIP-92](92.md)
* `d` (required) universally unique identifier (UUID). Generated by the client creating the video event.
* `url` (required) the url to the video file Each `imeta` tag can be used to specify a variant of the video by the `dim` & `m` properties.
* `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.
Example:
```json
[
["imeta",
"dim 1920x1080",
"url https://myvideo.com/1080/12345.mp4",
"x 3093509d1e0bc604ff60cb9286f4cd7c781553bc8991937befaacfdc28ec5cdc",
"m video/mp4",
"image https://myvideo.com/1080/12345.jpg",
"image https://myotherserver.com/1080/12345.jpg",
"fallback https://myotherserver.com/1080/12345.mp4",
"fallback https://andanotherserver.com/1080/12345.mp4",
"service nip96",
],
["imeta",
"dim 1280x720",
"url https://myvideo.com/720/12345.mp4",
"x e1d4f808dae475ed32fb23ce52ef8ac82e3cc760702fca10d62d382d2da3697d",
"m video/mp4",
"image https://myvideo.com/720/12345.jpg",
"image https://myotherserver.com/720/12345.jpg",
"fallback https://myotherserver.com/720/12345.mp4",
"fallback https://andanotherserver.com/720/12345.mp4",
"service nip96",
],
["imeta",
"dim 1280x720",
"url https://myvideo.com/720/12345.m3u8",
"x 704e720af2697f5d6a198ad377789d462054b6e8d790f8a3903afbc1e044014f",
"m application/x-mpegURL",
"image https://myvideo.com/720/12345.jpg",
"image https://myotherserver.com/720/12345.jpg",
"fallback https://myotherserver.com/720/12345.m3u8",
"fallback https://andanotherserver.com/720/12345.m3u8",
"service nip96",
],
]
```
Where `url` is the primary server url and `fallback` are other servers hosting the same file, both `url` and `fallback` should be weighted equally and clients are recommended to use any of the provided video urls.
The `image` tag contains a preview image (at the same resolution). Multiple `image` tags may be used to specify fallback copies in the same way `fallback` is used for `url`.
Additionally `service nip96` may be included to allow clients to search the authors NIP-96 server list to find the file using the hash.
### Other tags:
* `title` (required) title of the video * `title` (required) title of the video
* `"published_at"`, for the timestamp in unix seconds (stringified) of the first time the video was published * `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 * `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 * `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 * `content-warning` (optional) warning about content of NSFW video
* `alt` (optional) description for accessibility * `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 * `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
@ -42,7 +81,7 @@ The list of tags are as follows:
* `p` (optional, repeated) 32-bytes hex pubkey of a participant in the video, optional recommended relay URL * `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 * `r` (optional, repeated) references / links to web pages
```json ```jsonc
{ {
"id": <32-bytes lowercase hex-encoded SHA-256 of the the serialized event data>, "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>, "pubkey": <32-bytes lowercase hex-encoded public key of the event creator>,
@ -53,19 +92,23 @@ The list of tags are as follows:
["d", "<UUID>"], ["d", "<UUID>"],
["title", "<title of video>"], ["title", "<title of video>"],
["thumb", "<thumbnail image for video>"],
["published_at", "<unix timestamp>"], ["published_at", "<unix timestamp>"],
["alt", <description>], ["alt", <description>],
// Video Data // Video Data
["url",<string with URI of file>], ["imeta",
["m", <MIME type>], "dim 1920x1080",
["x",<Hash SHA-256>], "url https://myvideo.com/1080/12345.mp4",
["size", <size of file in bytes>], "x 3093509d1e0bc604ff60cb9286f4cd7c781553bc8991937befaacfdc28ec5cdc",
"m video/mp4",
"image https://myvideo.com/1080/12345.jpg",
"image https://myotherserver.com/1080/12345.jpg",
"fallback https://myotherserver.com/1080/12345.mp4",
"fallback https://andanotherserver.com/1080/12345.mp4",
"service nip96",
],
["duration", <duration of video in seconds>], ["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>"], ["text-track", "<encoded `kind 6000` event>", "<recommended relay urls>"],
["content-warning", "<reason>"], ["content-warning", "<reason>"],
["segment", <start>, <end>, "<title>", "<thumbnail URL>"], ["segment", <start>, <end>, "<title>", "<thumbnail URL>"],
@ -84,35 +127,3 @@ The list of tags are as follows:
] ]
} }
``` ```
## 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` `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 # 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 ```jsonc
{ {
@ -18,6 +18,7 @@ The goal of this NIP is to create moderator-approved public communities around a
"kind": 34550, "kind": 34550,
"tags": [ "tags": [
["d", "<community-d-identifier>"], ["d", "<community-d-identifier>"],
["name", "<Community name>"],
["description", "<Community description>"], ["description", "<Community description>"],
["image", "<Community image url>", "<Width>x<Height>"], ["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 send and receive approvals>", "approvals"],
["relay", "<relay where to post requests to and fetch approvals from>"] ["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 ```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>"], ["a", "34550:<community event author pubkey>:<community-d-identifier>", "<optional-relay-url>"],
], ],
"content": "hello world", "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 ```jsonc
{ {
@ -70,32 +75,22 @@ The post-approval event MUST include `a` tags of the communities the moderator i
["k", "<post-request-kind>"] ["k", "<post-request-kind>"]
], ],
"content": "<the full approved event, JSON-encoded>", "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. 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 replaceable 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 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.
[
"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.

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@ -0,0 +1,60 @@
NIP-73
======
External Content IDs
--------------------
`draft` `optional`
There are certain established global content identifiers such as [Book ISBNs](https://en.wikipedia.org/wiki/ISBN), [Podcast GUIDs](https://podcastnamespace.org/tag/guid), and [Movie ISANs](https://en.wikipedia.org/wiki/International_Standard_Audiovisual_Number) that are useful to reference in nostr events so that clients can query all the events assosiated with these ids.
`i` tags are used for referencing these external content ids, with `k` tags representing the external content id kind so that clients can query all the events for a specific kind.
## Supported IDs
| Type | `i` tag | `k` tag |
|- | - | - |
| URLs | "`<URL, normalized, no fragment>`" | "`<scheme-host, normalized>`" |
| Hashtags | "#`<topic, lowercase>`" | "#" |
| Geohashes| "geo:`<geohash, lowercase>`" | "geo" |
| Books | "isbn:`<id, without hyphens>`" | "isbn" |
| Podcast Feeds | "podcast:guid:`<guid>`" | "podcast:guid" |
| Podcast Episodes | "podcast:item:guid:`<guid>`" | "podcast:item:guid" |
| Podcast Publishers | "podcast:publisher:guid:`<guid>`" | "podcast:publisher:guid" |
| Movies | "isan:`<id, without version part>`" | "isan" |
| Papers | "doi:`<id, lowercase>`" | "doi" |
---
## Examples
### 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: Example event:
```json ```jsonc
{ {
"kind": 9041, "kind": 9041,
"tags": [ "tags": [
["relays", "wss://alicerelay.example.com", "wss://bobrelay.example.com", ...], ["relays", "wss://alicerelay.example.com", "wss://bobrelay.example.com", /*...*/],
["amount", "210000"], ["amount", "210000"],
], ],
"content": "Nostrasia travel expenses", "content": "Nostrasia travel expenses",
... // other fields...
}
``` ```
The following tags are OPTIONAL. The following tags are OPTIONAL.
@ -38,36 +39,35 @@ The following tags are OPTIONAL.
- `image` - an image for the goal - `image` - an image for the goal
- `summary` - a brief description - `summary` - a brief description
```json ```jsonc
{ {
"kind": 9041, "kind": 9041,
"tags": [ "tags": [
["relays", "wss://alicerelay.example.com", "wss://bobrelay.example.com", ...], ["relays", "wss://alicerelay.example.com", "wss://bobrelay.example.com", /*...*/],
["amount", "210000"], ["amount", "210000"],
["closed_at", "<unix timestamp in seconds>"], ["closed_at", "<unix timestamp in seconds>"],
["image", "<image URL>"], ["image", "<image URL>"],
["summary", "<description of the goal>"], ["summary", "<description of the goal>"],
], ],
"content": "Nostrasia travel expenses", "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). 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, "kind": 3xxxx,
"tags": [ "tags": [
...
["goal", "<event id>", "<Relay URL (optional)>"], ["goal", "<event id>", "<Relay URL (optional)>"],
// rest of tags...
], ],
... // other fields...
} }
``` ```
@ -77,7 +77,7 @@ Clients MAY display funding goals on user profiles.
When zapping a goal event, clients MUST include the relays in the `relays` tag of the goal event in the zap request `relays` tag. When zapping a goal event, clients MUST include the relays in the `relays` tag of the goal event in the zap request `relays` tag.
When zapping a parameterized replaceable event with a `goal` tag, clients SHOULD tag the goal event id in the `e` tag of the zap request. When zapping an addressable event with a `goal` tag, clients SHOULD tag the goal event id in the `e` tag of the zap request.
## Use cases ## Use cases

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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 ## 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 ## Some use cases

34
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@ -0,0 +1,34 @@
NIP-7D
======
Threads
-------
`draft` `optional`
A thread is a `kind 11` event. Threads SHOULD include a `subject` with a summary
of the thread's topic.
```json
{
"kind": 11,
"content": "Good morning",
"tags": [
["subject", "GM"]
]
}
```
Replies to `kind 11` MUST use [NIP-22](./22.md) `kind 1111` comments. Replies should
always be to the root `kind 11` to avoid arbitrarily nested reply hierarchies.
```json
{
"kind": 1111,
"content": "Cool beans",
"tags": [
["K", "11"],
["E", <event-id>, <relay-url>, <pubkey>]
]
}
```

4
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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 (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. last value of the tag.
```json ```jsonc
{ {
"tags": [ "tags": [
["p", "<pubkey-hex>", "<relay-url>", "author"], ["p", "<pubkey-hex>", "<relay-url>", "author"],
["p", "<pubkey-hex>", "<relay-url>", "author"], ["p", "<pubkey-hex>", "<relay-url>", "author"],
["p", "<pubkey-hex>", "<relay-url>", "editor"] ["p", "<pubkey-hex>", "<relay-url>", "editor"]
], ],
... // other fields...
} }
``` ```

90
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@ -0,0 +1,90 @@
NIP-86
======
Relay Management API
--------------------
`draft` `optional`
Relays may provide an API for performing management tasks. This is made available as a JSON-RPC-like request-response protocol over HTTP, on the same URI as the relay's websocket.
When a relay receives an HTTP(s) request with a `Content-Type` header of `application/nostr+json+rpc` to a URI supporting WebSocket upgrades, it should parse the request as a JSON document with the following fields:
```json
{
"method": "<method-name>",
"params": ["<array>", "<of>", "<parameters>"]
}
```
Then it should return a response in the format
```json
{
"result": {"<arbitrary>": "<value>"},
"error": "<optional error message, if the call has errored>"
}
```
This is the list of **methods** that may be supported:
* `supportedmethods`:
- params: `[]`
- result: `["<method-name>", "<method-name>", ...]` (an array with the names of all the other supported methods)
* `banpubkey`:
- params: `["<32-byte-hex-public-key>", "<optional-reason>"]`
- result: `true` (a boolean always set to `true`)
* `listbannedpubkeys`:
- params: `[]`
- result: `[{"pubkey": "<32-byte-hex>", "reason": "<optional-reason>"}, ...]`, an array of objects
* `allowpubkey`:
- params: `["<32-byte-hex-public-key>", "<optional-reason>"]`
- result: `true` (a boolean always set to `true`)
* `listallowedpubkeys`:
- params: `[]`
- result: `[{"pubkey": "<32-byte-hex>", "reason": "<optional-reason>"}, ...]`, an array of objects
* `listeventsneedingmoderation`:
- params: `[]`
- result: `[{"id": "<32-byte-hex>", "reason": "<optional-reason>"}]`, an array of objects
* `allowevent`:
- params: `["<32-byte-hex-event-id>", "<optional-reason>"]`
- result: `true` (a boolean always set to `true`)
* `banevent`:
- params: `["<32-byte-hex-event-id>", "<optional-reason>"]`
- result: `true` (a boolean always set to `true`)
* `listbannedevents`:
- params: `[]`
- result: `[{"id": "<32-byte hex>", "reason": "<optional-reason>"}, ...]`, an array of objects
* `changerelayname`:
- params: `["<new-name>"]`
- result: `true` (a boolean always set to `true`)
* `changerelaydescription`:
- params: `["<new-description>"]`
- result: `true` (a boolean always set to `true`)
* `changerelayicon`:
- params: `["<new-icon-url>"]`
- result: `true` (a boolean always set to `true`)
* `allowkind`:
- params: `[<kind-number>]`
- result: `true` (a boolean always set to `true`)
* `disallowkind`:
- params: `[<kind-number>]`
- result: `true` (a boolean always set to `true`)
* `listallowedkinds`:
- params: `[]`
- result: `[<kind-number>, ...]`, an array of numbers
* `blockip`:
- params: `["<ip-address>", "<optional-reason>"]`
- result: `true` (a boolean always set to `true`)
* `unblockip`:
- params: `["<ip-address>"]`
- result: `true` (a boolean always set to `true`)
* `listblockedips`:
- params: `[]`
- result: `[{"ip": "<ip-address>", "reason": "<optional-reason>"}, ...]`, an array of objects
### Authorization
The request must contain an `Authorization` header with a valid [NIP-98](./98.md) event, except the `payload` tag is required. The `u` tag is the relay URL.
If `Authorization` is not provided or is invalid, the endpoint should return a 401 response.

26
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@ -27,7 +27,7 @@ There are three actors to this workflow:
## Events ## Events
### Recommendation event ### Recommendation event
```json ```jsonc
{ {
"kind": 31989, "kind": 31989,
"pubkey": <recommender-user-pubkey>, "pubkey": <recommender-user-pubkey>,
@ -35,7 +35,8 @@ There are three actors to this workflow:
["d", <supported-event-kind>], ["d", <supported-event-kind>],
["a", "31990:app1-pubkey:<d-identifier>", "wss://relay1", "ios"], ["a", "31990:app1-pubkey:<d-identifier>", "wss://relay1", "ios"],
["a", "31990:app2-pubkey:<d-identifier>", "wss://relay2", "web"] ["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. The third value of the tag SHOULD be the platform where this recommendation might apply.
## Handler information ## Handler information
```json ```jsonc
{ {
"kind": 31990, "kind": 31990,
"pubkey": "<application-pubkey>", "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://..../p/<bech32>", "nprofile"],
["web", "https://..../e/<bech32>"], ["web", "https://..../e/<bech32>"],
["ios", ".../<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 # 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. 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, "kind": 1,
"tags": [ "tags": [
["client", "My Client", "31990:app1-pubkey:<d-identifier>", "wss://relay1"] ["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 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. 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, "kind": 31989,
"tags": [ "tags": [
["d", "31337"], ["d", "31337"],
["a", "31990:1743058db7078661b94aaf4286429d97ee5257d14a86d6bfa54cb0482b876fb0:abcd", <relay-url>, "web"] ["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`: 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. 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` ### 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. 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`) ## 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. 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 "kind": 5xxx, // kind in 5000-5999 range
"content": "", "content": "",
@ -46,7 +46,8 @@ A request to process data, published by a customer. This event signals that a cu
[ "relays", "wss://..." ], [ "relays", "wss://..." ],
[ "bid", "<msat-amount>" ], [ "bid", "<msat-amount>" ],
[ "t", "bitcoin" ] [ "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", "top-p", "0.7"],
["param", "frequency_penalty", "1"] ["param", "frequency_penalty", "1"]
] ]
``` ```
This param data will be encrypted and added to the `content` field and `p` tag should be present This param data will be encrypted and added to the `content` field and `p` tag should be present
```json ```jsonc
{ {
"content": "BE2Y4xvS6HIY7TozIgbEl3sAHkdZoXyLRRkZv4fLPh3R7LtviLKAJM5qpkC7D6VtMbgIt4iNcMpLtpo...", "content": "BE2Y4xvS6HIY7TozIgbEl3sAHkdZoXyLRRkZv4fLPh3R7LtviLKAJM5qpkC7D6VtMbgIt4iNcMpLtpo...",
"tags": [ "tags": [
["p", "04f74530a6ede6b24731b976b8e78fb449ea61f40ff10e3d869a3030c4edc91f"], ["p", "04f74530a6ede6b24731b976b8e78fb449ea61f40ff10e3d869a3030c4edc91f"],
["encrypted"] ["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. 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>", "pubkey": "<service-provider pubkey>",
"content": "<payload>", "content": "<payload>",
@ -114,7 +114,7 @@ Service providers publish job results, providing the output of the job result. T
["p", "<customer's-pubkey>"], ["p", "<customer's-pubkey>"],
["amount", "requested-payment-amount", "<optional-bolt11>"] ["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. 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` Add a tag encrypted to mark the output content as `encrypted`
```json ```jsonc
{ {
"pubkey": "<service-provider pubkey>", "pubkey": "<service-provider pubkey>",
"content": "<encrypted payload>", "content": "<encrypted payload>",
@ -139,7 +139,7 @@ Add a tag encrypted to mark the output content as `encrypted`
["amount", "requested-payment-amount", "<optional-bolt11>"], ["amount", "requested-payment-amount", "<optional-bolt11>"],
["encrypted"] ["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. Service providers can give feedback about a job back to the customer.
```json ```jsonc
{ {
"kind": 7000, "kind": 7000,
"content": "<empty-or-payload>", "content": "<empty-or-payload>",
@ -157,7 +157,7 @@ Service providers can give feedback about a job back to the customer.
["e", "<job-request-id>", "<relay-hint>"], ["e", "<job-request-id>", "<relay-hint>"],
["p", "<customer's-pubkey>"], ["p", "<customer's-pubkey>"],
], ],
... // other fields...
} }
``` ```
@ -185,7 +185,7 @@ Any job feedback event MIGHT include results in the `.content` field, as describ
* Customer publishes a job request (e.g. `kind:5000` speech-to-text). * Customer publishes a job request (e.g. `kind:5000` speech-to-text).
* Service Providers MAY submit `kind:7000` job-feedback events (e.g. `payment-required`, `processing`, `error`, etc.). * Service Providers MAY submit `kind:7000` job-feedback events (e.g. `payment-required`, `processing`, `error`, etc.).
* Upon completion, the service provider publishes the result of the job with a `kind:6000` job-result event. * Upon completion, the service provider publishes the result of the job with a `kind:6000` job-result event.
* At any point, if there is an `amount` pending to be paid as instructed by the service provider, the user can pay the included `bolt11` or zap the job result event the service provider has sent to the user * At any point, if there is an `amount` pending to be paid as instructed by the service provider, the user can pay the included `bolt11` or zap the job result event the service provider has sent to the user.
Job feedback (`kind:7000`) and Job Results (`kind:6000-6999`) events MAY include an `amount` tag, this can be interpreted as a suggestion to pay. Service Providers MUST use the `payment-required` feedback event to signal that a payment is required and no further actions will be performed until the payment is sent. Job feedback (`kind:7000`) and Job Results (`kind:6000-6999`) events MAY include an `amount` tag, this can be interpreted as a suggestion to pay. Service Providers MUST use the `payment-required` feedback event to signal that a payment is required and no further actions will be performed until the payment is sent.
@ -211,7 +211,7 @@ This gives a higher level of flexibility to service providers (which sophisticat
# Appendix 2: Service provider discoverability # Appendix 2: Service provider discoverability
Service Providers MAY use NIP-89 announcements to advertise their support for job kinds: Service Providers MAY use NIP-89 announcements to advertise their support for job kinds:
```js ```jsonc
{ {
"kind": 31990, "kind": 31990,
"pubkey": "<pubkey>", "pubkey": "<pubkey>",
@ -223,7 +223,7 @@ Service Providers MAY use NIP-89 announcements to advertise their support for jo
["k", "5005"], // e.g. translation ["k", "5005"], // e.g. translation
["t", "bitcoin"] // e.g. optionally advertises it specializes in bitcoin audio transcription that won't confuse "Drivechains" with "Ridechains" ["t", "bitcoin"] // e.g. optionally advertises it specializes in bitcoin audio transcription that won't confuse "Drivechains" with "Ridechains"
], ],
... // other fields...
} }
``` ```

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@ -26,27 +26,28 @@ This NIP specifies the use of the `1063` event type, having in `content` a descr
* `summary` (optional) text excerpt * `summary` (optional) text excerpt
* `alt` (optional) description for accessibility * `alt` (optional) description for accessibility
* `fallback` (optional) zero or more fallback file sources in case `url` fails * `fallback` (optional) zero or more fallback file sources in case `url` fails
* `service` (optional) service type which is serving the file (eg. [NIP-96](96.md))
```json ```jsonc
{ {
"kind": 1063, "kind": 1063,
"tags": [ "tags": [
["url",<string with URI of file>], ["url",<string with URI of file>],
["m", <MIME type>], ["m", <MIME type>],
["x",<Hash SHA-256>], ["x", <Hash SHA-256>],
["ox",<Hash SHA-256>], ["ox", <Hash SHA-256>],
["size", <size of file in bytes>], ["size", <size of file in bytes>],
["dim", <size of file in pixels>], ["dim", <size of file in pixels>],
["magnet",<magnet URI> ], ["magnet", <magnet URI> ],
["i",<torrent infohash>], ["i", <torrent infohash>],
["blurhash", <value>], ["blurhash", <value>],
["thumb", <string with thumbnail URI>], ["thumb", <string with thumbnail URI>, <Hash SHA-256>],
["image", <string with preview URI>], ["image", <string with preview URI>, <Hash SHA-256>],
["summary", <excerpt>], ["summary", <excerpt>],
["alt", <description>] ["alt", <description>]
], ],
"content": "<caption>", "content": "<caption>",
... // other fields...
} }
``` ```

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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`: 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 // Required
// File upload and deletion are served from this url // 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], "file_expiration": [14, 90],
"media_transformations": { "media_transformations": {
"image": [ "image": [
'resizing' "resizing"
] ]
} }
} }
@ -84,57 +84,57 @@ it must use the "api_url" field instead.
See https://github.com/aljazceru/awesome-nostr#nip-96-file-storage-servers. 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 ## 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). **AUTH required**
If using an html form, use an `Authorization` form data field instead.
These following **optional** form data fields MAY be used by `servers` and SHOULD be sent by `clients`: List of form fields:
- `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; - `file`: **REQUIRED** the file to upload
- `alt`: (recommended) strict description text for visibility-impaired users; - `caption`: **RECOMMENDED** loose description;
- `caption`: loose description; - `expiration`: UNIX timestamp in seconds. Empty string if file should be stored forever. The server isn't required to honor this.
- `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; - `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. - `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. 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`. 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 `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. The `server` MUST link the user's `pubkey` string 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` 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. - `200 OK`: File upload exists, but is successful (Existing hash)
- `201 Created`: File upload successful (New hash)
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. - `202 Accepted`: File upload is awaiting processing, see [Delayed Processing](#delayed-processing) section
- `413 Payload Too Large`: File size exceeds limit
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.). - `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.
On successful uploads the `server` MUST reply with **201 Created** HTTP status code or **202 Accepted** if a `processing_url` field is added - `402 Payment Required`: Payment is required by the server, **this flow is undefined**.
to the response so that the `client` can follow the processing status (see [Delayed Processing](#delayed-processing) section).
The upload response is a json object as follows: The upload response is a json object as follows:
```js ```jsonc
{ {
// "success" if successful or "error" if not // "success" if successful or "error" if not
status: "success", "status": "success",
// Free text success, failure or info message // Free text success, failure or info message
message: "Upload successful.", "message": "Upload successful.",
// Optional. See "Delayed Processing" section // Optional. See "Delayed Processing" section
processing_url: "...", "processing_url": "...",
// This uses the NIP-94 event format but DO NOT need // This uses the NIP-94 event format but DO NOT need
// to fill some fields like "id", "pubkey", "created_at" and "sig" // to fill some fields like "id", "pubkey", "created_at" and "sig"
// //
@ -143,9 +143,9 @@ The upload response is a json object as follows:
// and, optionally, all file metadata the server wants to make available // and, optionally, all file metadata the server wants to make available
// //
// nip94_event field is absent if unsuccessful upload // nip94_event field is absent if unsuccessful upload
nip94_event: { "nip94_event": {
// Required tags: "url" and "ox" // Required tags: "url" and "ox"
tags: [ "tags": [
// Can be same from /.well-known/nostr/nip96.json's "download_url" field // 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 // (or "api_url" field if "download_url" is absent or empty) with appended
// original file hash. // original file hash.
@ -166,12 +166,12 @@ The upload response is a json object as follows:
// The server can but does not need to store this value. // The server can but does not need to store this value.
["x", "543244319525d9d08dd69cb716a18158a249b7b3b3ec4bbde5435543acb34443"], ["x", "543244319525d9d08dd69cb716a18158a249b7b3b3ec4bbde5435543acb34443"],
// Optional. Recommended for helping clients to easily know file type before downloading it. // 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. // Optional. Recommended for helping clients to reserve an adequate UI space to show the file before downloading it.
["dim", "800x600"] ["dim", "800x600"]
// ... other optional NIP-94 tags // ... other optional NIP-94 tags
], ],
content: "" "content": ""
}, },
// ... other custom fields (please consider adding them to this NIP or to NIP-94 tags) // ... other custom fields (please consider adding them to this NIP or to NIP-94 tags)
} }
@ -179,11 +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. 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. 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. 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 ### Delayed Processing
Sometimes the server may want to place the uploaded file in a processing queue for deferred file processing. Sometimes the server may want to place the uploaded file in a processing queue for deferred file processing.
@ -200,12 +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: 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. // It should be "processing". If "error" it would mean the processing failed.
status: "processing", "status": "processing",
message: "Processing. Please check again later for updated status.", "message": "Processing. Please check again later for updated status.",
percentage: 15 // Processing percentage. An integer between 0 and 100. "percentage": 15 // Processing percentage. An integer between 0 and 100.
} }
``` ```
@ -219,7 +221,7 @@ However, for all file actions, such as download and deletion, the **original** f
## Download ## 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` 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). can be that or not (it can be any non-standard url the server wants).
@ -227,17 +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 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. 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. 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). 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. 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 ### 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. the original media file without transformations.
#### Image Transformations #### Image Transformations
@ -245,36 +247,75 @@ the original media file without transformations.
##### Resizing ##### Resizing
Upon upload, `servers` may create resized image variants, such as thumbnails, respecting the original aspect ratio. 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. `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 `servers` can then serve the variant with the closest width to the parameter value
or an image variant generated on the fly. 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 ## 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. 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 with the appropriate http response code (403 Forbidden).
The `server` should reject deletes from users other than the original uploader. The `pubkey` encoded on the header value identifies the user.
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 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). in the same file hash).
The successful response is a 200 OK one with just basic JSON fields: The successful response is a 200 OK one with just basic JSON fields:
``` ```json
{ {
status: "success", "status": "success",
message: "File deleted." "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 ## Selecting a Server
Note: HTTP File Storage Server developers may skip this section. This is meant for client developers. Note: HTTP File Storage Server developers may skip this section. This is meant for client developers.
@ -282,14 +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 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: to upload files to. Servers are listed as `server` tags:
```js ```jsonc
{ {
// ...
"kind": 10096, "kind": 10096,
"content": "", "content": "",
"tags": [ "tags": [
["server", "https://file.server.one"], ["server", "https://file.server.one"],
["server", "https://file.server.two"] ["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: Example HTTP Authorization header:
``` ```
Authorization: Nostr 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 Authorization: Nostr
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
``` ```
## Reference Implementations ## Reference Implementations

12
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@ -6,11 +6,11 @@ Classified Listings
`draft` `optional` `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 ### Draft / Inactive Listings
@ -26,8 +26,8 @@ The `.pubkey` field of these events are treated as the party creating the listin
### Metadata ### 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 "tags"/"hashtags" (i.e. categories or keywords of relevance for the listing) the `"t"` event tag should be used.
- 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 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. 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 ## Example Event
```json ```jsonc
{ {
"kind": 30402, "kind": 30402,
"created_at": 1675642635, "created_at": 1675642635,

85
BREAKING.md
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@ -5,40 +5,57 @@ reverse chronological order.
| Date | Commit | NIP | Change | | Date | Commit | NIP | Change |
| ----------- | --------- | -------- | ------ | | ----------- | --------- | -------- | ------ |
| 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) | | 2024-12-05 | [6d16019e](https://github.com/nostr-protocol/nips/commit/6d16019e) | [46](46.md) | message encryption was changed to NIP-44 |
| 2024-02-25 | [4a171cb0](https://github.com/nostr-protocol/nips/commit/4a171cb0) | [NIP-18](18.md) | quote repost should use `q` tag | | 2024-11-12 | [2838e3bd](https://github.com/nostr-protocol/nips/commit/2838e3bd) | [29](29.md) | `kind: 12` and `kind: 10` were removed (use `kind: 1111` instead) |
| 2024-02-21 | [c6cd655c](https://github.com/nostr-protocol/nips/commit/c6cd655c) | [NIP-46](46.md) | Params were stringified | | 2024-11-12 | [926a51e7](https://github.com/nostr-protocol/nips/commit/926a51e7) | [46](46.md) | NIP-05 login was removed |
| 2024-02-16 | [cbec02ab](https://github.com/nostr-protocol/nips/commit/cbec02ab) | [NIP-49](49.md) | Password first normalized to NFKC | | 2024-11-12 | [926a51e7](https://github.com/nostr-protocol/nips/commit/926a51e7) | [46](46.md) | `create_account` method was removed |
| 2024-02-15 | [afbb8dd0](https://github.com/nostr-protocol/nips/commit/afbb8dd0) | [NIP-39](39.md) | PGP identity was removed | | 2024-11-12 | [926a51e7](https://github.com/nostr-protocol/nips/commit/926a51e7) | [46](46.md) | `connect` params and result were changed |
| 2024-02-07 | [d3dad114](https://github.com/nostr-protocol/nips/commit/d3dad114) | [NIP-46](46.md) | Connection token format was changed | | 2024-10-29 | [f1e8d2c4](https://github.com/nostr-protocol/nips/commit/f1e8d2c4) | [46](46.md) | bunker URL should use `remote-signer-key` |
| 2024-01-30 | [1a2b21b6](https://github.com/nostr-protocol/nips/commit/1a2b21b6) | [NIP-59](59.md) | 'p' tag became optional | | 2024-10-15 | [1cda2dcc](https://github.com/nostr-protocol/nips/commit/1cda2dcc) | [71](71.md) | some tags were replaced with `imeta` tag |
| 2023-01-27 | [c2f34817](https://github.com/nostr-protocol/nips/commit/c2f34817) | [NIP-47](47.md) | optional expiration tag should be honored | | 2024-10-15 | [1cda2dcc](https://github.com/nostr-protocol/nips/commit/1cda2dcc) | [71](71.md) | `kind: 34237` was dropped |
| 2024-01-10 | [3d8652ea](https://github.com/nostr-protocol/nips/commit/3d8652ea) | [NIP-02](02.md) | list entries should be chronological | | 2024-10-07 | [7bb8997b](https://github.com/nostr-protocol/nips/commit/7bb8997b) | [55](55.md) | some fields and passing data were changed |
| 2024-01-10 | [3d8652ea](https://github.com/nostr-protocol/nips/commit/3d8652ea) | [NIP-51](51.md) | list entries should be chronological | | 2024-08-18 | [3aff37bd](https://github.com/nostr-protocol/nips/commit/3aff37bd) | [54](54.md) | content should be Asciidoc |
| 2023-12-30 | [29869821](https://github.com/nostr-protocol/nips/commit/29869821) | [NIP-52](52.md) | 'name' tag was removed (use 'title' tag instead) | | 2024-07-31 | [3ea2f1a4](https://github.com/nostr-protocol/nips/commit/3ea2f1a4) | [45](45.md) | [444ad28d](https://github.com/nostr-protocol/nips/commit/444ad28d) was reverted |
| 2023-12-27 | [17c67ef5](https://github.com/nostr-protocol/nips/commit/17c67ef5) | [NIP-94](94.md) | 'aes-256-gcm' tag was removed | | 2024-07-30 | [444ad28d](https://github.com/nostr-protocol/nips/commit/444ad28d) | [45](45.md) | NIP-45 was deprecated |
| 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 | | 2024-07-26 | [ecee40df](https://github.com/nostr-protocol/nips/commit/ecee40df) | [19](19.md) | `nrelay` was deprecated |
| 2023-11-28 | [6de35f9e](https://github.com/nostr-protocol/nips/commit/6de35f9e) | [NIP-89](89.md) | 'client' tag value was changed | | 2024-07-23 | [0227a2cd](https://github.com/nostr-protocol/nips/commit/0227a2cd) | [01](01.md) | events should be sorted by id after created_at |
| 2023-11-20 | [7822a8b1](https://github.com/nostr-protocol/nips/commit/7822a8b1) | [NIP-51](51.md) | `kind: 30000` and `kind: 30001` were deprecated | | 2024-06-06 | [58e94b20](https://github.com/nostr-protocol/nips/commit/58e94b20) | [25](25.md) | [8073c848](https://github.com/nostr-protocol/nips/commit/8073c848) was reverted |
| 2023-11-11 | [cbdca1e9](https://github.com/nostr-protocol/nips/commit/cbdca1e9) | [NIP-84](84.md) | 'range' tag was removed | | 2024-06-06 | [a6dfc7b5](https://github.com/nostr-protocol/nips/commit/a6dfc7b5) | [55](55.md) | NIP number was changed |
| 2023-11-07 | [108b7f16](https://github.com/nostr-protocol/nips/commit/108b7f16) | [NIP-01](01.md) | 'OK' message must have 4 items | | 2024-05-25 | [5d1d1c17](https://github.com/nostr-protocol/nips/commit/5d1d1c17) | [71](71.md) | 'aes-256-gcm' tag was removed |
| 2023-10-17 | [cf672b76](https://github.com/nostr-protocol/nips/commit/cf672b76) | [NIP-03](03.md) | 'block' tag was removed | | 2024-05-07 | [8073c848](https://github.com/nostr-protocol/nips/commit/8073c848) | [25](25.md) | e-tags were changed to not include entire thread |
| 2023-09-29 | [7dc6385f](https://github.com/nostr-protocol/nips/commit/7dc6385f) | [NIP-57](57.md) | optional 'a' tag was included in `zap receipt` | | 2024-04-30 | [bad88262](https://github.com/nostr-protocol/nips/commit/bad88262) | [34](34.md) | 'earliest-unique-commit' tag was removed (use 'r' tag instead) |
| 2023-08-21 | [89915e02](https://github.com/nostr-protocol/nips/commit/89915e02) | [NIP-11](11.md) | 'min_prefix' was removed | | 2024-02-25 | [4a171cb0](https://github.com/nostr-protocol/nips/commit/4a171cb0) | [18](18.md) | quote repost should use `q` tag |
| 2023-08-20 | [37c4375e](https://github.com/nostr-protocol/nips/commit/37c4375e) | [NIP-01](01.md) | replaceable events with same timestamp should be retained event with lowest id | | 2024-02-21 | [c6cd655c](https://github.com/nostr-protocol/nips/commit/c6cd655c) | [46](46.md) | Params were stringified |
| 2023-08-15 | [88ee873c](https://github.com/nostr-protocol/nips/commit/88ee873c) | [NIP-15](15.md) | 'countries' tag was renamed to 'regions' | | 2024-02-16 | [cbec02ab](https://github.com/nostr-protocol/nips/commit/cbec02ab) | [49](49.md) | Password first normalized to NFKC |
| 2023-08-14 | [72bb8a12](https://github.com/nostr-protocol/nips/commit/72bb8a12) | [NIP-12](12.md) | NIP-12, 16, 20 and 33 were merged into NIP-01 | | 2024-02-15 | [afbb8dd0](https://github.com/nostr-protocol/nips/commit/afbb8dd0) | [39](39.md) | PGP identity was removed |
| 2023-08-14 | [72bb8a12](https://github.com/nostr-protocol/nips/commit/72bb8a12) | [NIP-16](16.md) | NIP-12, 16, 20 and 33 were merged into NIP-01 | | 2024-02-07 | [d3dad114](https://github.com/nostr-protocol/nips/commit/d3dad114) | [46](46.md) | Connection token format was changed |
| 2023-08-14 | [72bb8a12](https://github.com/nostr-protocol/nips/commit/72bb8a12) | [NIP-20](20.md) | NIP-12, 16, 20 and 33 were merged into NIP-01 | | 2024-01-30 | [1a2b21b6](https://github.com/nostr-protocol/nips/commit/1a2b21b6) | [59](59.md) | 'p' tag became optional |
| 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 | | 2023-01-27 | [c2f34817](https://github.com/nostr-protocol/nips/commit/c2f34817) | [47](47.md) | optional expiration tag should be honored |
| 2023-08-11 | [d87f8617](https://github.com/nostr-protocol/nips/commit/d87f8617) | [NIP-25](25.md) | empty `content` should be considered as "+" | | 2024-01-10 | [3d8652ea](https://github.com/nostr-protocol/nips/commit/3d8652ea) | [02](02.md), [51](51.md) | list entries should be chronological |
| 2023-08-01 | [5d63b157](https://github.com/nostr-protocol/nips/commit/5d63b157) | [NIP-57](57.md) | 'zap' tag was changed | | 2023-12-30 | [29869821](https://github.com/nostr-protocol/nips/commit/29869821) | [52](52.md) | 'name' tag was removed (use 'title' tag instead) |
| 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` | | 2023-12-27 | [17c67ef5](https://github.com/nostr-protocol/nips/commit/17c67ef5) | [94](94.md) | 'aes-256-gcm' tag was removed |
| 2023-07-12 | [a1cd2bd8](https://github.com/nostr-protocol/nips/commit/a1cd2bd8) | [NIP-25](25.md) | custom emoji was supported | | 2023-12-03 | [0ba45895](https://github.com/nostr-protocol/nips/commit/0ba45895) | [01](01.md) | WebSocket status code `4000` was replaced by 'CLOSED' message |
| 2023-06-18 | [83cbd3e1](https://github.com/nostr-protocol/nips/commit/83cbd3e1) | [NIP-11](11.md) | 'image' was renamed to 'icon' | | 2023-11-28 | [6de35f9e](https://github.com/nostr-protocol/nips/commit/6de35f9e) | [89](89.md) | 'client' tag value was changed |
| 2023-04-13 | [bf0a0da6](https://github.com/nostr-protocol/nips/commit/bf0a0da6) | [NIP-15](15.md) | different NIP was re-added as NIP-15 | | 2023-11-20 | [7822a8b1](https://github.com/nostr-protocol/nips/commit/7822a8b1) | [51](51.md) | `kind: 30001` was deprecated |
| 2023-04-09 | [fb5b7c73](https://github.com/nostr-protocol/nips/commit/fb5b7c73) | [NIP-15](15.md) | NIP-15 was merged into NIP-01 | | 2023-11-20 | [7822a8b1](https://github.com/nostr-protocol/nips/commit/7822a8b1) | [51](51.md) | the meaning of `kind: 30000` was changed |
| 2023-03-15 | [e1004d3d](https://github.com/nostr-protocol/nips/commit/e1004d3d) | [NIP-19](19.md) | `1: relay` was changed to optionally | | 2023-11-11 | [cbdca1e9](https://github.com/nostr-protocol/nips/commit/cbdca1e9) | [84](84.md) | 'range' tag was removed |
| 2023-11-10 | [c945d8bd](https://github.com/nostr-protocol/nips/commit/c945d8bd) | [32](32.md) | 'l' tag annotations was removed |
| 2023-11-07 | [108b7f16](https://github.com/nostr-protocol/nips/commit/108b7f16) | [01](01.md) | 'OK' message must have 4 items |
| 2023-10-17 | [cf672b76](https://github.com/nostr-protocol/nips/commit/cf672b76) | [03](03.md) | 'block' tag was removed |
| 2023-09-29 | [7dc6385f](https://github.com/nostr-protocol/nips/commit/7dc6385f) | [57](57.md) | optional 'a' tag was included in `zap receipt` |
| 2023-08-21 | [89915e02](https://github.com/nostr-protocol/nips/commit/89915e02) | [11](11.md) | 'min_prefix' was removed |
| 2023-08-20 | [37c4375e](https://github.com/nostr-protocol/nips/commit/37c4375e) | [01](01.md) | replaceable events with same timestamp should be retained event with lowest id |
| 2023-08-15 | [88ee873c](https://github.com/nostr-protocol/nips/commit/88ee873c) | [15](15.md) | 'countries' tag was renamed to 'regions' |
| 2023-08-14 | [72bb8a12](https://github.com/nostr-protocol/nips/commit/72bb8a12) | [12](12.md), [16](16.md), [20](20.md), [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) | [25](25.md) | empty `content` should be considered as "+" |
| 2023-08-01 | [5d63b157](https://github.com/nostr-protocol/nips/commit/5d63b157) | [57](57.md) | 'zap' tag was changed |
| 2023-07-15 | [d1814405](https://github.com/nostr-protocol/nips/commit/d1814405) | [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) | [25](25.md) | custom emoji was supported |
| 2023-06-18 | [83cbd3e1](https://github.com/nostr-protocol/nips/commit/83cbd3e1) | [11](11.md) | 'image' was renamed to 'icon' |
| 2023-04-13 | [bf0a0da6](https://github.com/nostr-protocol/nips/commit/bf0a0da6) | [15](15.md) | different NIP was re-added as NIP-15 |
| 2023-04-09 | [fb5b7c73](https://github.com/nostr-protocol/nips/commit/fb5b7c73) | [15](15.md) | NIP-15 was merged into NIP-01 |
| 2023-03-29 | [599e1313](https://github.com/nostr-protocol/nips/commit/599e1313) | [18](18.md) | NIP-18 was bring back |
| 2023-03-15 | [e1004d3d](https://github.com/nostr-protocol/nips/commit/e1004d3d) | [19](19.md) | `1: relay` was changed to optionally |
Breaking changes prior to 2023-03-01 are not yet documented. Breaking changes prior to 2023-03-01 are not yet documented.

29
C7.md Normal file
View File

@ -0,0 +1,29 @@
NIP-C7
======
Chats
-----
`draft` `optional`
A chat message is a `kind 9` event.
```json
{
"kind": 9,
"content": "GM",
"tags": []
}
```
A reply to a `kind 9` is an additional `kind 9` which quotes the parent using a `q` tag.
```json
{
"kind": 9,
"content": "nostr:nevent1...\nyes",
"tags": [
["q", <event-id>, <relay-url>, <pubkey>]
]
}
```

113
README.md
View File

@ -30,7 +30,7 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
- [NIP-06: Basic key derivation from mnemonic seed phrase](06.md) - [NIP-06: Basic key derivation from mnemonic seed phrase](06.md)
- [NIP-07: `window.nostr` capability for web browsers](07.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-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-10: Conventions for clients' use of `e` and `p` tags in text events](10.md)
- [NIP-11: Relay Information Document](11.md) - [NIP-11: Relay Information Document](11.md)
- [NIP-13: Proof of Work](13.md) - [NIP-13: Proof of Work](13.md)
@ -40,6 +40,7 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
- [NIP-18: Reposts](18.md) - [NIP-18: Reposts](18.md)
- [NIP-19: bech32-encoded entities](19.md) - [NIP-19: bech32-encoded entities](19.md)
- [NIP-21: `nostr:` URI scheme](21.md) - [NIP-21: `nostr:` URI scheme](21.md)
- [NIP-22: Comment](22.md)
- [NIP-23: Long-form Content](23.md) - [NIP-23: Long-form Content](23.md)
- [NIP-24: Extra metadata fields and tags](24.md) - [NIP-24: Extra metadata fields and tags](24.md)
- [NIP-25: Reactions](25.md) - [NIP-25: Reactions](25.md)
@ -69,16 +70,25 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
- [NIP-52: Calendar Events](52.md) - [NIP-52: Calendar Events](52.md)
- [NIP-53: Live Activities](53.md) - [NIP-53: Live Activities](53.md)
- [NIP-54: Wiki](54.md) - [NIP-54: Wiki](54.md)
- [NIP-55: Android Signer Application](55.md)
- [NIP-56: Reporting](56.md) - [NIP-56: Reporting](56.md)
- [NIP-57: Lightning Zaps](57.md) - [NIP-57: Lightning Zaps](57.md)
- [NIP-58: Badges](58.md) - [NIP-58: Badges](58.md)
- [NIP-59: Gift Wrap](59.md) - [NIP-59: Gift Wrap](59.md)
- [NIP-60: Cashu Wallet](60.md)
- [NIP-61: Nutzaps](61.md)
- [NIP-64: Chess (PGN)](64.md)
- [NIP-65: Relay List Metadata](65.md) - [NIP-65: Relay List Metadata](65.md)
- [NIP-68: Picture-first feeds](68.md)
- [NIP-69: Peer-to-peer Order events](69.md)
- [NIP-70: Protected Events](70.md)
- [NIP-71: Video Events](71.md) - [NIP-71: Video Events](71.md)
- [NIP-72: Moderated Communities](72.md) - [NIP-72: Moderated Communities](72.md)
- [NIP-73: External Content IDs](73.md)
- [NIP-75: Zap Goals](75.md) - [NIP-75: Zap Goals](75.md)
- [NIP-78: Application-specific data](78.md) - [NIP-78: Application-specific data](78.md)
- [NIP-84: Highlights](84.md) - [NIP-84: Highlights](84.md)
- [NIP-86: Relay Management API](86.md)
- [NIP-89: Recommended Application Handlers](89.md) - [NIP-89: Recommended Application Handlers](89.md)
- [NIP-90: Data Vending Machines](90.md) - [NIP-90: Data Vending Machines](90.md)
- [NIP-92: Media Attachments](92.md) - [NIP-92: Media Attachments](92.md)
@ -86,37 +96,44 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
- [NIP-96: HTTP File Storage Integration](96.md) - [NIP-96: HTTP File Storage Integration](96.md)
- [NIP-98: HTTP Auth](98.md) - [NIP-98: HTTP Auth](98.md)
- [NIP-99: Classified Listings](99.md) - [NIP-99: Classified Listings](99.md)
- [NIP-7D: Threads](7D.md)
- [NIP-C7: Chats](C7.md)
## Event Kinds ## Event Kinds
| kind | description | NIP | | kind | description | NIP |
| ------------- | -------------------------- | ------------------------ | | ------------- | ------------------------------- | -------------------------------------- |
| `0` | Metadata | [01](01.md) | | `0` | User Metadata | [01](01.md) |
| `1` | Short Text Note | [01](01.md) | | `1` | Short Text Note | [01](01.md) |
| `2` | Recommend Relay | 01 (deprecated) | | `2` | Recommend Relay | 01 (deprecated) |
| `3` | Follows | [02](02.md) | | `3` | Follows | [02](02.md) |
| `4` | Encrypted Direct Messages | [04](04.md) | | `4` | Encrypted Direct Messages | [04](04.md) |
| `5` | Event Deletion | [09](09.md) | | `5` | Event Deletion Request | [09](09.md) |
| `6` | Repost | [18](18.md) | | `6` | Repost | [18](18.md) |
| `7` | Reaction | [25](25.md) | | `7` | Reaction | [25](25.md) |
| `8` | Badge Award | [58](58.md) | | `8` | Badge Award | [58](58.md) |
| `9` | Group Chat Message | [29](29.md) | | `9` | Chat Message | [C7](C7.md) |
| `10` | Group Chat Threaded Reply | [29](29.md) | | `10` | Group Chat Threaded Reply | 29 (deprecated) |
| `11` | Group Thread | [29](29.md) | | `11` | Thread | [7D](7D.md) |
| `12` | Group Thread Reply | [29](29.md) | | `12` | Group Thread Reply | 29 (deprecated) |
| `13` | Seal | [59](59.md) | | `13` | Seal | [59](59.md) |
| `14` | Direct Message | [17](17.md) | | `14` | Direct Message | [17](17.md) |
| `16` | Generic Repost | [18](18.md) | | `16` | Generic Repost | [18](18.md) |
| `17` | Reaction to a website | [25](25.md) |
| `20` | Picture | [68](68.md) |
| `40` | Channel Creation | [28](28.md) | | `40` | Channel Creation | [28](28.md) |
| `41` | Channel Metadata | [28](28.md) | | `41` | Channel Metadata | [28](28.md) |
| `42` | Channel Message | [28](28.md) | | `42` | Channel Message | [28](28.md) |
| `43` | Channel Hide Message | [28](28.md) | | `43` | Channel Hide Message | [28](28.md) |
| `44` | Channel Mute User | [28](28.md) | | `44` | Channel Mute User | [28](28.md) |
| `64` | Chess (PGN) | [64](64.md) |
| `818` | Merge Requests | [54](54.md) | | `818` | Merge Requests | [54](54.md) |
| `1021` | Bid | [15](15.md) | | `1021` | Bid | [15](15.md) |
| `1022` | Bid confirmation | [15](15.md) | | `1022` | Bid confirmation | [15](15.md) |
| `1040` | OpenTimestamps | [03](03.md) | | `1040` | OpenTimestamps | [03](03.md) |
| `1059` | Gift Wrap | [59](59.md) | | `1059` | Gift Wrap | [59](59.md) |
| `1063` | File Metadata | [94](94.md) | | `1063` | File Metadata | [94](94.md) |
| `1111` | Comment | [22](22.md) |
| `1311` | Live Chat Message | [53](53.md) | | `1311` | Live Chat Message | [53](53.md) |
| `1617` | Patches | [34](34.md) | | `1617` | Patches | [34](34.md) |
| `1621` | Issues | [34](34.md) | | `1621` | Issues | [34](34.md) |
@ -125,6 +142,8 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
| `1971` | Problem Tracker | [nostrocket][nostrocket] | | `1971` | Problem Tracker | [nostrocket][nostrocket] |
| `1984` | Reporting | [56](56.md) | | `1984` | Reporting | [56](56.md) |
| `1985` | Label | [32](32.md) | | `1985` | Label | [32](32.md) |
| `1986` | Relay reviews | |
| `1987` | AI Embeddings / Vector lists | [NKBIP-02] |
| `2003` | Torrent | [35](35.md) | | `2003` | Torrent | [35](35.md) |
| `2004` | Torrent Comment | [35](35.md) | | `2004` | Torrent Comment | [35](35.md) |
| `2022` | Coinjoin Pool | [joinstr][joinstr] | | `2022` | Coinjoin Pool | [joinstr][joinstr] |
@ -132,8 +151,13 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
| `5000`-`5999` | Job Request | [90](90.md) | | `5000`-`5999` | Job Request | [90](90.md) |
| `6000`-`6999` | Job Result | [90](90.md) | | `6000`-`6999` | Job Result | [90](90.md) |
| `7000` | Job Feedback | [90](90.md) | | `7000` | Job Feedback | [90](90.md) |
| `7374` | Reserved Cashu Wallet Tokens | [60](60.md) |
| `7375` | Cashu Wallet Tokens | [60](60.md) |
| `7376` | Cashu Wallet History | [60](60.md) |
| `9000`-`9030` | Group Control Events | [29](29.md) | | `9000`-`9030` | Group Control Events | [29](29.md) |
| `9041` | Zap Goal | [75](75.md) | | `9041` | Zap Goal | [75](75.md) |
| `9321` | Nutzap | [61](61.md) |
| `9467` | Tidal login | [Tidal-nostr] |
| `9734` | Zap Request | [57](57.md) | | `9734` | Zap Request | [57](57.md) |
| `9735` | Zap | [57](57.md) | | `9735` | Zap | [57](57.md) |
| `9802` | Highlights | [84](84.md) | | `9802` | Highlights | [84](84.md) |
@ -146,10 +170,11 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
| `10006` | Blocked relays list | [51](51.md) | | `10006` | Blocked relays list | [51](51.md) |
| `10007` | Search relays list | [51](51.md) | | `10007` | Search relays list | [51](51.md) |
| `10009` | User groups | [51](51.md), [29](29.md) | | `10009` | User groups | [51](51.md), [29](29.md) |
| `10013` | Private Relays | [35](37.md) |
| `10015` | Interests list | [51](51.md) | | `10015` | Interests list | [51](51.md) |
| `10019` | Nutzap Mint Recommendation | [61](61.md) |
| `10030` | User emoji list | [51](51.md) | | `10030` | User emoji list | [51](51.md) |
| `10050` | Relay list to receive DMs | [17](17.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) | | `10096` | File storage server list | [96](96.md) |
| `13194` | Wallet Info | [47](47.md) | | `13194` | Wallet Info | [47](47.md) |
| `21000` | Lightning Pub RPC | [Lightning.Pub][lnpub] | | `21000` | Lightning Pub RPC | [Lightning.Pub][lnpub] |
@ -157,13 +182,15 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
| `23194` | Wallet Request | [47](47.md) | | `23194` | Wallet Request | [47](47.md) |
| `23195` | Wallet Response | [47](47.md) | | `23195` | Wallet Response | [47](47.md) |
| `24133` | Nostr Connect | [46](46.md) | | `24133` | Nostr Connect | [46](46.md) |
| `24242` | Blobs stored on mediaservers | [Blossom][blossom] |
| `27235` | HTTP Auth | [98](98.md) | | `27235` | HTTP Auth | [98](98.md) |
| `30000` | Follow sets | [51](51.md) | | `30000` | Follow sets | [51](51.md) |
| `30001` | Generic lists | [51](51.md) | | `30001` | Generic lists | 51 (deprecated) |
| `30002` | Relay sets | [51](51.md) | | `30002` | Relay sets | [51](51.md) |
| `30003` | Bookmark sets | [51](51.md) | | `30003` | Bookmark sets | [51](51.md) |
| `30004` | Curation sets | [51](51.md) | | `30004` | Curation sets | [51](51.md) |
| `30005` | Video sets | [51](51.md) | | `30005` | Video sets | [51](51.md) |
| `30007` | Kind mute sets | [51](51.md) |
| `30008` | Profile Badges | [58](58.md) | | `30008` | Profile Badges | [58](58.md) |
| `30009` | Badge Definition | [58](58.md) | | `30009` | Badge Definition | [58](58.md) |
| `30015` | Interest sets | [51](51.md) | | `30015` | Interest sets | [51](51.md) |
@ -174,17 +201,22 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
| `30023` | Long-form Content | [23](23.md) | | `30023` | Long-form Content | [23](23.md) |
| `30024` | Draft Long-form Content | [23](23.md) | | `30024` | Draft Long-form Content | [23](23.md) |
| `30030` | Emoji sets | [51](51.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) | | `30063` | Release artifact sets | [51](51.md) |
| `30078` | Application-specific Data | [78](78.md) | | `30078` | Application-specific Data | [78](78.md) |
| `30311` | Live Event | [53](53.md) | | `30311` | Live Event | [53](53.md) |
| `30315` | User Statuses | [38](38.md) | | `30315` | User Statuses | [38](38.md) |
| `30388` | Slide Set | [Corny Chat][cornychat-slideset] |
| `30402` | Classified Listing | [99](99.md) | | `30402` | Classified Listing | [99](99.md) |
| `30403` | Draft Classified Listing | [99](99.md) | | `30403` | Draft Classified Listing | [99](99.md) |
| `30617` | Repository announcements | [34](34.md) | | `30617` | Repository announcements | [34](34.md) |
| `30618` | Repository state announcements | [34](34.md) |
| `30818` | Wiki article | [54](54.md) | | `30818` | Wiki article | [54](54.md) |
| `30819` | Redirects | [54](54.md) | | `30819` | Redirects | [54](54.md) |
| `31890` | Feed | [NUD: Custom Feeds](https://wikifreedia.xyz/cip-01/97c70a44366a6535c1) |
| `31234` | Draft Event | [37](37.md) | | `31234` | Draft Event | [37](37.md) |
| `31388` | Link Set | [Corny Chat][cornychat-linkset] |
| `31890` | Feed | [NUD: Custom Feeds][NUD: Custom Feeds] |
| `31922` | Date-Based Calendar Event | [52](52.md) | | `31922` | Date-Based Calendar Event | [52](52.md) |
| `31923` | Time-Based Calendar Event | [52](52.md) | | `31923` | Time-Based Calendar Event | [52](52.md) |
| `31924` | Calendar | [52](52.md) | | `31924` | Calendar | [52](52.md) |
@ -193,14 +225,22 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
| `31990` | Handler information | [89](89.md) | | `31990` | Handler information | [89](89.md) |
| `34235` | Video Event | [71](71.md) | | `34235` | Video Event | [71](71.md) |
| `34236` | Short-form Portrait 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) | | `34550` | Community Definition | [72](72.md) |
| `37375` | Cashu Wallet Event | [60](60.md) |
| `38383` | Peer-to-peer Order events | [69](69.md) |
| `39000-9` | Group metadata events | [29](29.md) | | `39000-9` | Group metadata events | [29](29.md) |
[NUD: Custom Feeds]: https://wikifreedia.xyz/cip-01/97c70a44366a6535c1 [NUD: Custom Feeds]: https://wikifreedia.xyz/cip-01/
[nostrocket]: https://github.com/nostrocket/NIPS/blob/main/Problems.md [nostrocket]: https://github.com/nostrocket/NIPS/blob/main/Problems.md
[lnpub]: https://github.com/shocknet/Lightning.Pub/blob/master/proto/autogenerated/client.md [lnpub]: https://github.com/shocknet/Lightning.Pub/blob/master/proto/autogenerated/client.md
[cornychat-slideset]: https://cornychat.com/datatypes#kind30388slideset
[cornychat-linkset]: https://cornychat.com/datatypes#kind31388linkset
[joinstr]: https://gitlab.com/1440000bytes/joinstr/-/blob/main/NIP.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 ## Message types
@ -226,26 +266,37 @@ They exist to document what may be implemented by [Nostr](https://github.com/nos
| `AUTH` | used to send authentication challenges | [42](42.md) | | `AUTH` | used to send authentication challenges | [42](42.md) |
| `COUNT` | used to send requested event counts to clients | [45](45.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 ## Standardized Tags
| name | value | other parameters | NIP | | 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) | | `a` | coordinates to an event | relay URL | [01](01.md) |
| `A` | root address | relay URL | [22](22.md) |
| `d` | identifier | -- | [01](01.md) | | `d` | identifier | -- | [01](01.md) |
| `e` | event id (hex) | relay URL, marker, pubkey (hex) | [01](01.md), [10](10.md) |
| `E` | root event id | relay URL | [22](22.md) |
| `f` | currency code | -- | [69](69.md) |
| `g` | geohash | -- | [52](52.md) | | `g` | geohash | -- | [52](52.md) |
| `i` | identity | proof | [39](39.md) | | `h` | group id | -- | [29](29.md) |
| `k` | kind number (string) | -- | [18](18.md), [25](25.md), [72](72.md) | | `i` | external identity | proof, url hint | [35](35.md), [39](39.md), [73](73.md) |
| `l` | label, label namespace | annotations | [32](32.md) | | `I` | root external identity | -- | [22](22.md) |
| `k` | kind | -- | [18](18.md), [25](25.md), [72](72.md), [73](73.md) |
| `K` | root scope | -- | [22](22.md) |
| `l` | label, label namespace | -- | [32](32.md) |
| `L` | label namespace | -- | [32](32.md) | | `L` | label namespace | -- | [32](32.md) |
| `m` | MIME type | -- | [94](94.md) | | `m` | MIME type | -- | [94](94.md) |
| `q` | event id (hex) | relay URL | [18](18.md) | | `p` | pubkey (hex) | relay URL, petname | [01](01.md), [02](02.md) |
| `r` | a reference (URL, etc) | petname | | | `P` | pubkey (hex) | -- | [57](57.md) |
| `q` | event id (hex) | relay URL, pubkey (hex) | [18](18.md) |
| `r` | a reference (URL, etc) | -- | [24](24.md), [25](25.md) |
| `r` | relay url | marker | [65](65.md) | | `r` | relay url | marker | [65](65.md) |
| `t` | hashtag | -- | | | `s` | status | -- | [69](69.md) |
| `t` | hashtag | -- | [24](24.md), [34](34.md), [35](35.md) |
| `u` | url | -- | [61](61.md), [98](98.md) |
| `x` | infohash | -- | [35](35.md) |
| `y` | platform | -- | [69](69.md) |
| `z` | order number | -- | [69](69.md) |
| `-` | -- | -- | [70](70.md) |
| `alt` | summary | -- | [31](31.md) | | `alt` | summary | -- | [31](31.md) |
| `amount` | millisatoshis, stringified | -- | [57](57.md) | | `amount` | millisatoshis, stringified | -- | [57](57.md) |
| `bolt11` | `bolt11` invoice | -- | [57](57.md) | | `bolt11` | `bolt11` invoice | -- | [57](57.md) |
@ -258,12 +309,13 @@ Please update these lists when proposing NIPs introducing new event kinds.
| `emoji` | shortcode, image URL | -- | [30](30.md) | | `emoji` | shortcode, image URL | -- | [30](30.md) |
| `encrypted` | -- | -- | [90](90.md) | | `encrypted` | -- | -- | [90](90.md) |
| `expiration` | unix timestamp (string) | -- | [40](40.md) | | `expiration` | unix timestamp (string) | -- | [40](40.md) |
| `file` | full path (string) | -- | [35](35.md) |
| `goal` | event id (hex) | relay URL | [75](75.md) | | `goal` | event id (hex) | relay URL | [75](75.md) |
| `image` | image URL | dimensions in pixels | [23](23.md), [58](58.md) | | `image` | image URL | dimensions in pixels | [23](23.md), [52](52.md), [58](58.md) |
| `imeta` | inline metadata | -- | [92](92.md) | | `imeta` | inline metadata | -- | [92](92.md) |
| `lnurl` | `bech32` encoded `lnurl` | -- | [57](57.md) | | `lnurl` | `bech32` encoded `lnurl` | -- | [57](57.md) |
| `location` | location string | -- | [52](52.md), [99](99.md) | | `location` | location string | -- | [52](52.md), [99](99.md) |
| `name` | name | -- | [34](34.md), [58](58.md) | | `name` | name | -- | [34](34.md), [58](58.md), [72](72.md) |
| `nonce` | random | difficulty | [13](13.md) | | `nonce` | random | difficulty | [13](13.md) |
| `preimage` | hash of `bolt11` invoice | -- | [57](57.md) | | `preimage` | hash of `bolt11` invoice | -- | [57](57.md) |
| `price` | price | currency, frequency | [99](99.md) | | `price` | price | currency, frequency | [99](99.md) |
@ -272,13 +324,16 @@ Please update these lists when proposing NIPs introducing new event kinds.
| `relay` | relay url | -- | [42](42.md), [17](17.md) | | `relay` | relay url | -- | [42](42.md), [17](17.md) |
| `relays` | relay list | -- | [57](57.md) | | `relays` | relay list | -- | [57](57.md) |
| `server` | file storage server url | -- | [96](96.md) | | `server` | file storage server url | -- | [96](96.md) |
| `subject` | subject | -- | [14](14.md), [17](17.md) | | `subject` | subject | -- | [14](14.md), [17](17.md), [34](34.md) |
| `summary` | article summary | -- | [23](23.md) | | `summary` | summary | -- | [23](23.md), [52](52.md) |
| `thumb` | badge thumbnail | dimensions in pixels | [58](58.md) | | `thumb` | badge thumbnail | dimensions in pixels | [58](58.md) |
| `title` | article title | -- | [23](23.md) | | `title` | article title | -- | [23](23.md) |
| `tracker` | torrent tracker URL | -- | [35](35.md) |
| `web` | webpage URL | -- | [34](34.md) | | `web` | webpage URL | -- | [34](34.md) |
| `zap` | pubkey (hex), relay URL | weight | [57](57.md) | | `zap` | pubkey (hex), relay URL | weight | [57](57.md) |
Please update these lists when proposing new NIPs.
## Criteria for acceptance of NIPs ## Criteria for acceptance of NIPs
1. They should be fully 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.