Add lightclient routes #181
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,41 @@ | ||
| get: | ||
| operationId: getCommitteeUpdates | ||
| summary: Get committee updates in an inclusive range of sync periods | ||
| description: | | ||
| Returns an array of best updates in the requested periods within the inclusive range `from` - `to`. | ||
| Best is defined by (in order of priority): | ||
| - Is finalized update + > 2/3 participations | ||
| - Highest participation (bit count) | ||
| - Oldest update | ||
| Tracks oldest instead of newest to reduce disk writes and the likelihood of re-orgs. Clients may choose | ||
| a different set of "best" criteria if necessary. | ||
| tags: | ||
| - Lightclient | ||
| parameters: | ||
| - name: from | ||
| in: query | ||
| required: true | ||
| description: "Sync period start of requested range" | ||
| schema: | ||
| $ref: "../../beacon-node-oapi.yaml#/components/schemas/Uint64" | ||
| - name: to | ||
| in: query | ||
| required: true | ||
| description: "Sync period end of requested range (inclusive)" | ||
| schema: | ||
| $ref: "../../beacon-node-oapi.yaml#/components/schemas/Uint64" | ||
| responses: | ||
| "200": | ||
| description: Success | ||
| content: | ||
| application/json: | ||
| schema: | ||
| title: GetCommitteeUpdatesResponse | ||
| type: object | ||
| properties: | ||
| data: | ||
| type: array | ||
| items: | ||
| $ref: "../../beacon-node-oapi.yaml#/components/schemas/LightClientUpdate" | ||
| "500": | ||
| $ref: "../../beacon-node-oapi.yaml#/components/responses/InternalError" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,22 @@ | ||
| get: | ||
| operationId: getHeadUpdate | ||
| summary: Get latest best head update | ||
| description: | | ||
| Returns the latest best head update available. Clients should use the events endpoint and subscribe | ||
| to `lightclient_head_update` unless to get the very first head update after syncing, or if the events | ||
| endpoint is not supported by the server. | ||
| tags: | ||
| - Lightclient | ||
| responses: | ||
| "200": | ||
| description: Success | ||
| content: | ||
| application/json: | ||
| schema: | ||
| title: GetHeadUpdateResponse | ||
| type: object | ||
| properties: | ||
| data: | ||
| $ref: "../../beacon-node-oapi.yaml#/components/schemas/LightclientHeadUpdate" | ||
| "500": | ||
| $ref: "../../beacon-node-oapi.yaml#/components/responses/InternalError" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| get: | ||
| operationId: getProof | ||
| summary: Get multiproof of `paths` for `state_id` | ||
| description: | | ||
| Returns a multiproof of `paths` at the requested `stateId`. | ||
| The requested `stateId` may not be available. Regular nodes only keep recent states in memory. | ||
| tags: | ||
| - Lightclient | ||
| parameters: | ||
| - name: state_id | ||
| in: path | ||
| required: true | ||
| $ref: "../../beacon-node-oapi.yaml#/components/parameters/StateId" | ||
| - name: paths | ||
| in: query | ||
| required: true | ||
| description: Array of JSON serialized array of paths | ||
| schema: | ||
| type: array | ||
| items: | ||
| type: string | ||
| description: | | ||
| example: '''["balances", 0]''' | ||
|
|
||
| responses: | ||
| "200": | ||
| description: Success | ||
| content: | ||
| application/octet-stream: | ||
|
There was a problem hiding this comment. There should be a JSON response here as well. This will also give a location to explain the structure of the multiproof. There was a problem hiding this comment. The JSON representation of this format is widely inefficient. Since JSON is the default I'll argue into only offering |
||
| schema: | ||
| description: | | ||
| Serialized TreeOffset multiproof. | ||
| Format reference https://github.com/ethereum/consensus-specs/blob/dev/ssz/merkle-proofs.md#merkle-multiproofs | ||
| "400": | ||
| description: "Invalid state ID" | ||
| content: | ||
| application/json: | ||
| schema: | ||
| allOf: | ||
| - $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: | ||
| allOf: | ||
| - $ref: "../../beacon-node-oapi.yaml#/components/schemas/ErrorMessage" | ||
| - example: | ||
| code: 404 | ||
| message: "State not found" | ||
| "500": | ||
| $ref: "../../beacon-node-oapi.yaml#/components/responses/InternalError" | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,49 @@ | ||
| get: | ||
| operationId: getSnapshot | ||
| summary: Fetch a snapshot with a proof to a trusted block root. | ||
| description: | | ||
| Fetch a snapshot with a proof to a trusted block root. | ||
| The trusted block root should be fetched with similar means to a weak subjectivity checkpoint. | ||
| Only block roots for checkpoints within the weak subjectivity period must be guaranteed to be available. | ||
| If the node started with a recent weak subjectivity checkpoint, the node may not backfill snapshots | ||
| for older checkpoints. | ||
| tags: | ||
| - Lightclient | ||
| parameters: | ||
| - name: block_root | ||
| in: path | ||
| required: true | ||
| $ref: "../../beacon-node-oapi.yaml#/components/schemas/Root" | ||
| responses: | ||
| "200": | ||
| description: Success | ||
| content: | ||
| application/json: | ||
| schema: | ||
| title: GetSnapshotResponse | ||
| type: object | ||
| properties: | ||
| data: | ||
| $ref: "../../beacon-node-oapi.yaml#/components/schemas/LightclientSnapshot" | ||
| "400": | ||
| description: "Invalid block root" | ||
| content: | ||
| application/json: | ||
| schema: | ||
| allOf: | ||
| - $ref: "../../beacon-node-oapi.yaml#/components/schemas/ErrorMessage" | ||
| - example: | ||
| code: 400 | ||
| message: "Invalid block root: head" | ||
| "404": | ||
| description: "Snapshot not found" | ||
| content: | ||
| application/json: | ||
| schema: | ||
| allOf: | ||
| - $ref: "../../beacon-node-oapi.yaml#/components/schemas/ErrorMessage" | ||
| - example: | ||
| code: 404 | ||
| message: "Snapshot not found for block root" | ||
| "500": | ||
| $ref: "../../beacon-node-oapi.yaml#/components/responses/InternalError" |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,58 @@ | ||
| Altair: | ||
| LightClientUpdate: | ||
| type: object | ||
| properties: | ||
| header: | ||
| $ref: '../block.yaml#/BeaconBlockHeader' | ||
| nextSyncCommittee: | ||
| $ref: './sync_committee.yaml#/SyncCommittee' | ||
| nextSyncCommitteeBranch: | ||
| $ref: '#/Altair/SyncCommitteeBranch' | ||
| finalityHeader: | ||
| $ref: '../block.yaml#/BeaconBlockHeader' | ||
| finalityBranch: | ||
| $ref: '#/Altair/FinalityBranch' | ||
| syncCommitteeBits: | ||
| $ref: './sync_aggregate.yaml#/Altair/SyncCommitteeBits' | ||
| syncCommitteeSignature: | ||
| allOf: | ||
| - $ref: '../primitive.yaml#/Signature' | ||
| - description: 'Signature by the validator(s) over the block root of `slot`' | ||
| forkVersion: | ||
| $ref: '../primitive.yaml#/ForkVersion' | ||
|
|
||
| FinalityBranch: | ||
| type: array | ||
| description: "Branch to state.finalized_checkpoint.root" | ||
| items: | ||
| allOf: | ||
| - $ref: '../primitive.yaml#/Root' | ||
| minItems: 6 | ||
| maxItems: 6 | ||
|
|
||
| SyncCommitteeBranch: | ||
| type: array | ||
| description: "Branch to state.next_sync_committee or state.current_sync_committee" | ||
| items: | ||
| allOf: | ||
| - $ref: '../primitive.yaml#/Root' | ||
| minItems: 5 | ||
| maxItems: 5 | ||
|
|
||
| LightclientHeadUpdate: | ||
| type: object | ||
| properties: | ||
| header: | ||
| $ref: '../block.yaml#/BeaconBlockHeader' | ||
| syncAggregate: | ||
| $ref: './sync_aggregate.yaml#/SyncAggregate' | ||
|
|
||
| LightclientSnapshot: | ||
| type: object | ||
| properties: | ||
| header: | ||
| $ref: '../block.yaml#/BeaconBlockHeader' | ||
| currentSyncCommittee: | ||
| $ref: './sync_committee.yaml#/SyncCommittee' | ||
| currentSyncCommitteeBranch: | ||
| $ref: '#/Altair/SyncCommitteeBranch' |
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I don't see a need for
_updatehere; the event is, by definition, an update.There was a problem hiding this comment.
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Good point, tho I'm unsure if
lightclient_headcan also be confusing since you can get multiple events for the same head which is not the same behavior as theheadevent.There was a problem hiding this comment.
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I think it was called
lightlcient_head_updatebecause the data structure emitted is called aLightClientHeadUpdatesomewhere.Similar to the
LightClientUpdatein the specs.Not saying its a great name, just saying..