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additional clarity around message content and tags

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@ -19,10 +19,15 @@ a unique opportunity to use a different transport layer for DLCs. This NIP propo
acts like a mailbox for DLC messages. The DLC messages are sent over nostr and available for the user the next time acts like a mailbox for DLC messages. The DLC messages are sent over nostr and available for the user the next time
they open their wallet. This allows for a more mobile-friendly DLC experience. they open their wallet. This allows for a more mobile-friendly DLC experience.
DLC protocol messages are binary-serialized messages described concretely in
[this document](https://github.com/discreetlogcontracts/dlcspecs/blob/master/Messaging.md).
Whenever embedding DLC messages inside Nostr events (which are encoded as JSON), we serialize those DLC messages in base64.
### `kind:8_888` ### `kind:8_888`
Kind 8_888 is a simple message that contains a [NIP04](04.md) encrypted DLC message and it tagged with the recipient's Kind 8_888 is a simple message that contains a [NIP04](04.md) encrypted DLC message and is tagged with the recipient's
public key with a `p` tag and if it is in reply to another event, that event should be tagged with an `e` tag. public key with a `p` tag and if it is in reply to another event, that event should be tagged with an `e` tag. The DLC
message is first serialized in binary, and then encrypted with [NIP04](04.md).
A DLC wallet should only process messages that are tagged with their public key and that are in reply to a message they A DLC wallet should only process messages that are tagged with their public key and that are in reply to a message they
sent unless it is an offer. This is to prevent spam and to prevent a malicious actor from sending a message to a user sent unless it is an offer. This is to prevent spam and to prevent a malicious actor from sending a message to a user
@ -58,14 +63,18 @@ offer.
A parameterized replaceable event is used to allow the offerer to update the offer or remove it from the market. The `d` A parameterized replaceable event is used to allow the offerer to update the offer or remove it from the market. The `d`
tag should be the Offer's id to allow replacement of the offer. If the user wishes to remove the offer from the market, tag should be the Offer's id to allow replacement of the offer. If the user wishes to remove the offer from the market,
they can replace the event with an expires tag that is in the past. they can replace the event with an `expires` tag that is in the past. The `relays` tag indicates the relays on which to
contact the offerer.
The `content` field must be the base64-encoding of a binary-serialized
[`contract_info` object](https://github.com/discreetlogcontracts/dlcspecs/blob/master/Messaging.md#the-contract_info-type).
### `kind:30_088` ### `kind:30_088`
```jsonc ```jsonc
{ {
"kind": 30088, "kind": 30088,
"content": "base64 contract details", "content": "base64 contract_info",
"tags": [ "tags": [
[ [
"relays", "relays",
@ -101,7 +110,7 @@ attestations respectively.
```jsonc ```jsonc
{ {
"kind": 88, "kind": 88,
"content": "base64 oracle annoucement", "content": "base64 oracle_annoucement",
"tags": [ "tags": [
[ [
"relays", // the relays the oracle will publish attestations to "relays", // the relays the oracle will publish attestations to
@ -116,15 +125,18 @@ attestations respectively.
} }
``` ```
The `content` field must be the base64-encoding of a binary-serialized
[`oracle_annoucement` object](https://github.com/discreetlogcontracts/dlcspecs/blob/master/Messaging.md#the-oracle_annoucement-type).
### `kind:89` ### `kind:89`
```jsonc ```jsonc
{ {
"kind": 89, "kind": 89,
"content": "base64 oracle attestation", "content": "base64 oracle_attestation",
"tags": [ "tags": [
[ [
"e", // the event id of the announcement "e", // the Nostr event id of the announcement
"30efed56a035b2549fcaeec0bf2c1595f9a9b3bb4b1a38abaf8ee9041c4b7d93", "30efed56a035b2549fcaeec0bf2c1595f9a9b3bb4b1a38abaf8ee9041c4b7d93",
], ],
], ],
@ -135,6 +147,17 @@ attestations respectively.
} }
``` ```
The `content` field must be the base64-encoding of a binary-serialized
[`oracle_attestation` object](https://github.com/discreetlogcontracts/dlcspecs/blob/master/Messaging.md#the-oracle_attestation-type).
Note that the `e` tag is the _Nostr event identifier_ for the `kind:88` announcement event, which is distinct from the identifier
embedded [in the announcement](https://github.com/discreetlogcontracts/dlcspecs/blob/master/Messaging.md#oracle_event) or
[in the attestation itself](https://github.com/discreetlogcontracts/dlcspecs/blob/master/Messaging.md#oracle_attestation). The `e`
tag is intended to be used to look up the corresponding announcement event.
Upon receiving an attestation, clients _should_ validate that the `event_id` field inside the `oracle_announcement` object matches
the `event_id` field in the `oracle_attestation` object.
## DLC Receipts ## DLC Receipts
DLCs can be fun, social events. This NIP proposes a `kind:90` event that can be used to publish the result of a DLC DLCs can be fun, social events. This NIP proposes a `kind:90` event that can be used to publish the result of a DLC