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Add graffiti API #63

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19 changes: 10 additions & 9 deletions README.md
Original file line number Diff line number Diff line change
Expand Up @@ -29,14 +29,15 @@ such as GUIs, alerts, etc.
Learn about the Consensus Validator Clients that implement these APIs on the [Ethereum.org](https://ethereum.org/)

### v1 APIS
| Validator Client/Remote Managers | local keymanager | remote keymanager | fee recipient | gas limit |
| -------------------------------- | ---------------- | ----------------- | ------------- |------------|
| Prysm | production | production | production | production |
| Teku | production | production | production | production |
| Lighthouse | v2.1.2 | v2.3.0 | v2.4.0 | v3.0.0 |
| Nimbus | production | production | 22.7.0 | - |
| Lodestar | production | v0.40.0 | production | production |
| Web3signer | production | N/A | N/A | N/A |

| Validator Client/Remote Managers | local keymanager | remote keymanager | fee recipient | gas limit | graffiti |
| -------------------------------- | ---------------- | ----------------- | ------------- | ---------- | -------- |
| Prysm | production | production | production | production | - |
| Teku | production | production | production | production | - |
| Lighthouse | v2.1.2 | v2.3.0 | v2.4.0 | v3.0.0 | - |
| Nimbus | production | production | 22.7.0 | - | - |
| Lodestar | v0.35.0 | v0.40.0 | v1.2.0 | v1.2.0 | v1.12.0 |
| Web3signer | production | N/A | N/A | N/A | N/A |

## Use Cases

Expand All @@ -50,7 +51,7 @@ Further detail on expected behavior and error states of the APIs are listed in t

To render the spec in a browser you will need an HTTP server to serve the `index.html` file.
Rendering occurs client-side in JavaScript, so no changes are required to the HTML file between
edits.
edits.

##### Python

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121 changes: 121 additions & 0 deletions apis/graffiti.yaml
Original file line number Diff line number Diff line change
@@ -0,0 +1,121 @@
get:
operationId: getGraffiti
summary: Get Graffiti
description: |
Get the graffiti for an individual validator. This graffiti is the one used by the
validator when proposing blocks. If no graffiti is set explicitly, returns
the process-wide default.
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Lighthouse has a custom graffiti endpoint (used by our Siren UI) that returns all graffitis of each validator. It would be nice to consider returning all graffitis and allow user to query specific pubkeys if needed, so user don't have to make multiple requests if they are interested in all validators running on a client. This would be useful for nodes running a larger number of validators.

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The idea was to have the same behavior as current fee recipient and gas limit API but if there is a use case for it we could add an additional API.

How should that one look like, GET /eth/v1/validators/graffiti?pubkeys=0x01,0x02? Passing the pubkeys in query string might be problematic as it suffers from the same issue as getStateValidators API.

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That's a good point. I think the main use case to return multiple graffitis is when users have a large number of validators - so perhaps it make sense to have a separate endpoint to return all (GET /eth/v1/validators/graffiti), and one to return a specified validator (what you have proposed)?

Siren currently uses a custom endpoint that returns all graffitis, so it would be useful if we have something similar in the spec.

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I am not opposed to adding this but might be good to get feedback from other client teams on this. Maybe it makes sense to add this in a separate PR?

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this whole api is based on individual validators, we can do a fetch all, but it needs to be a different pattern to this endpoint.

Previously the argument for doing individual is its simple, and MVP, and it's never needed to be expanded upon, so I guess the real question is 'why provide get all for this specific interface?'

I get the desire to get all data back may be convenient, especially for large players, but equally so, the ability to set them all in one call (or set the new global default) may be desirable, and it can snowball quickly...

If it's needed and clients want to support it, thats fine. In the first instance, MVP is probably just the already defined interface.

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Sounds good to me!

security:
- bearerAuth: []
tags:
- Graffiti
parameters:
- in: path
name: pubkey
schema:
$ref: "../keymanager-oapi.yaml#/components/schemas/Pubkey"
required: true
responses:
"200":
description: success response
content:
application/json:
schema:
title: GraffitiResponse
type: object
required: [data]
properties:
data:
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type: object
required: [graffiti]
properties:
pubkey:
$ref: "../keymanager-oapi.yaml#/components/schemas/Pubkey"
graffiti:
$ref: "../keymanager-oapi.yaml#/components/schemas/Graffiti"
"400":
$ref: "../keymanager-oapi.yaml#/components/responses/BadRequest"
"401":
$ref: "../keymanager-oapi.yaml#/components/responses/Unauthorized"
"403":
$ref: "../keymanager-oapi.yaml#/components/responses/Forbidden"
"404":
$ref: "../keymanager-oapi.yaml#/components/responses/NotFound"
"500":
$ref: "../keymanager-oapi.yaml#/components/responses/InternalError"

post:
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operationId: setGraffiti
summary: Set Graffiti
description: |
Set the graffiti for an individual validator.
security:
- bearerAuth: []
tags:
- Graffiti
parameters:
- in: path
name: pubkey
schema:
$ref: "../keymanager-oapi.yaml#/components/schemas/Pubkey"
required: true
requestBody:
content:
application/json:
schema:
title: SetGraffitiRequest
type: object
required: [graffiti]
properties:
graffiti:
$ref: "../keymanager-oapi.yaml#/components/schemas/Graffiti"
responses:
"202":
description: successfully updated
"400":
$ref: "../keymanager-oapi.yaml#/components/responses/BadRequest"
"401":
$ref: "../keymanager-oapi.yaml#/components/responses/Unauthorized"
"403":
$ref: "../keymanager-oapi.yaml#/components/responses/Forbidden"
"404":
$ref: "../keymanager-oapi.yaml#/components/responses/NotFound"
"500":
$ref: "../keymanager-oapi.yaml#/components/responses/InternalError"

delete:
operationId: deleteGraffiti
summary: Delete Configured Graffiti
description: |
Delete the configured graffiti for the specified public key.
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security:
- bearerAuth: []
tags:
- Graffiti
parameters:
- in: path
name: pubkey
schema:
$ref: "../keymanager-oapi.yaml#/components/schemas/Pubkey"
required: true
responses:
"204":
description: Successfully removed the graffiti, or there was no graffiti set for the requested public key.
"400":
$ref: "../keymanager-oapi.yaml#/components/responses/BadRequest"
"401":
$ref: "../keymanager-oapi.yaml#/components/responses/Unauthorized"
"403":
description: A graffiti was found, but cannot be removed. This may be because the graffit was in configuration files that cannot be updated.
content:
application/json:
schema:
$ref: "../keymanager-oapi.yaml#/components/schemas/ErrorResponse"
"404":
description: The key was not found on the server, nothing to delete.
content:
application/json:
schema:
$ref: "../keymanager-oapi.yaml#/components/schemas/ErrorResponse"
"500":
$ref: "../keymanager-oapi.yaml#/components/responses/InternalError"
6 changes: 6 additions & 0 deletions keymanager-oapi.yaml
Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,8 @@ tags:
description: Set of endpoints for management of fee recipient.
- name: Gas Limit
description: Set of endpoints for management of gas limits.
- name: Graffiti
description: Set of endpoints for management of graffiti.
- name: Local Key Manager
description: Set of endpoints for key management of local keys.
- name: Remote Key Manager
Expand All @@ -51,6 +53,8 @@ paths:
$ref: './apis/fee_recipient.yaml'
/eth/v1/validator/{pubkey}/gas_limit:
$ref: './apis/gas_limit.yaml'
/eth/v1/validator/{pubkey}/graffiti:
$ref: './apis/graffiti.yaml'
/eth/v1/validator/{pubkey}/voluntary_exit:
$ref: './apis/voluntary_exit.yaml'

Expand All @@ -72,6 +76,8 @@ components:
$ref: './types/fee_recipient.yaml'
GasLimit:
$ref: './types/gas_limit.yaml'
Graffiti:
$ref: './types/graffiti.yaml'
Uint64:
$ref: './types/uint.yaml#/Uint64'
SignerDefinition:
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3 changes: 3 additions & 0 deletions types/graffiti.yaml
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@@ -0,0 +1,3 @@
type: string
description: "Arbitrary data to set in the graffiti field of BeaconBlockBody"
example: "plain text value"
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