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Validator identities endpoint. #452

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7e14ed6
Validator identities endpoint.
mcdee Jun 10, 2024
757d29a
Merge branch 'master' into validator-identities
mcdee Jul 10, 2024
1c4b504
Add endpoint to changelog.
mcdee Jul 10, 2024
b8c1792
Merge branch 'master' into validator-identities
rolfyone Jul 28, 2024
0358c42
Update apis/beacon/states/validator_identities.yaml
mcdee Aug 16, 2024
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1 change: 1 addition & 0 deletions CHANGES.md
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Expand Up @@ -15,6 +15,7 @@ There are likely to be descriptions etc outside of the list below, but new query
| [#448](https://github.com/ethereum/beacon-APIs/pull/448) `POST /eth/v2/beacon/pool/attestations` added | | | | | |
| [#448](https://github.com/ethereum/beacon-APIs/pull/448) `GET /eth/v2/beacon/pool/attester_slashings` added | | | | | |
| [#448](https://github.com/ethereum/beacon-APIs/pull/448) `POST /eth/v2/beacon/pool/attester_slashings` added | | | | | |
| [#452](https://github.com/ethereum/beacon-APIs/pull/452) `POST /eth/v1/beacon/states/{state_id}/validator_identities` added | | | | | |
| [#456](https://github.com/ethereum/beacon-APIs/pull/456) `POST /eth/v2/validator/aggregate_and_proofs` added | | | | | |


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69 changes: 69 additions & 0 deletions apis/beacon/states/validator_identities.yaml
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@@ -0,0 +1,69 @@
post:
operationId: "postStateValidatorIdentities"
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summary: "Get validator identities from state"
description: |
Returns filterable list of validators identities.

Identities will be returned for all indices or public keys that match known validators. If an index or public key does not
match any known validator, no identity will be returned but this will not cause an error. There are no guarantees for the
returned data in terms of ordering.

Depending on `Accept` header data can be returned either as JSON or as bytes serialized by SSZ.
tags:
- Beacon
parameters:
- name: state_id
in: path
$ref: '../../../beacon-node-oapi.yaml#/components/parameters/StateId'
requestBody:
description: "An array of values, with each value either a hex encoded public key (any bytes48 with 0x prefix) or a validator index."
required: false
content:
application/json:
schema:
type: array
uniqueItems: true
items:
description: "Either hex encoded public key (any bytes48 with 0x prefix) or validator index"
type: string
responses:
"200":
description: Success
content:
application/json:
schema:
title: PostStateValidatorIdentitiesResponse
type: object
required: [execution_optimistic, finalized, data]
properties:
execution_optimistic:
$ref: "../../../beacon-node-oapi.yaml#/components/schemas/ExecutionOptimistic"
finalized:
$ref: "../../../beacon-node-oapi.yaml#/components/schemas/Finalized"
data:
type: array
items:
$ref: '../../../beacon-node-oapi.yaml#/components/schemas/ValidatorIdentityResponse'
application/octet-stream:
schema:
description: "SSZ serialized results. Use Accept header to choose this response type"
"400":
description: "Invalid state ID or malformed request"
content:
application/json:
schema:
$ref: "../../../beacon-node-oapi.yaml#/components/schemas/ErrorMessage"
example:
code: 400
message: "Invalid state ID: current"
"404":
description: "State not found"
content:
application/json:
schema:
$ref: "../../../beacon-node-oapi.yaml#/components/schemas/ErrorMessage"
example:
code: 404
message: "State not found"
"500":
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@nflaig nflaig Aug 16, 2024 •
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would be good to add 406 here as well but depends on #457 being merged first

$ref: '../../../beacon-node-oapi.yaml#/components/responses/InternalError'
4 changes: 4 additions & 0 deletions beacon-node-oapi.yaml
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Expand Up @@ -75,6 +75,8 @@ paths:
$ref: "./apis/beacon/states/validator.yaml"
/eth/v1/beacon/states/{state_id}/validator_balances:
$ref: "./apis/beacon/states/validator_balances.yaml"
/eth/v1/beacon/states/{state_id}/validator_identities:
$ref: "./apis/beacon/states/validator_identities.yaml"
/eth/v1/beacon/states/{state_id}/committees:
$ref: "./apis/beacon/states/committee.yaml"
/eth/v1/beacon/states/{state_id}/sync_committees:
Expand Down Expand Up @@ -233,6 +235,8 @@ components:
$ref: './types/api.yaml#/ValidatorResponse'
ValidatorBalanceResponse:
$ref: './types/api.yaml#/ValidatorBalanceResponse'
ValidatorIdentityResponse:
$ref: './types/api.yaml#/ValidatorIdentityResponse'
ValidatorStatus:
$ref: './types/api.yaml#/ValidatorStatus'
Committee:
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14 changes: 14 additions & 0 deletions types/api.yaml
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Expand Up @@ -45,6 +45,20 @@ ValidatorBalanceResponse:
$ref: "./primitive.yaml#/Gwei"
description: "Current validator balance in gwei."

ValidatorIdentityResponse:
type: object
required: [index, pubkey, activation_epoch]
properties:
index:
$ref: './primitive.yaml#/Uint64'
description: "Index of validator in validator registry."
pubkey:
$ref: './primitive.yaml#/Pubkey'
description: "Public key of validator."
activation_epoch:
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Why add the activation_epoch? It's a curious in-between of no epoch and all epochs in the validator record

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It's in case validator index reuse comes in, it will allow us to use (index,public key, activation epoch) as a unique identifier for a validator across all time regardless of reuse.

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Index re-use won't come until years down the line if ever. Is it better to do a v2 in 2030 when that happens?

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i was thinking there's no harm having it?

$ref: "./primitive.yaml#/Uint64"
description: "Epoch when validator activated. 'FAR_FUTURE_EPOCH' if not activated"

ValidatorStatus:
description: |
Possible statuses:
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