Add sync_committee_rewards (#262)

Co-authored-by: Paul Harris <paul.harris@consensys.net>
Co-authored-by: navie <naviechan@gmail.com>

apis/beacon/rewards/sync_committee.yaml

@@ -0,0 +1,62 @@
+post:
+  operationId: getSyncCommitteeRewards
+  summary: Get sync committee rewards
+  description: Retrieves rewards info for sync committee members specified by array of public keys or validator index. If no array is provided, return reward info for every committee member.
+  tags:
+    - Beacon
+    - Rewards
+    - Experimental
+  parameters:
+    - name: block_id
+      in: path
+      required: true
+      example: "head"
+      $ref: '../../../beacon-node-oapi.yaml#/components/parameters/BlockId'
+  requestBody:
+   description: "An array of either hex encoded public key (any bytes48 with 0x prefix) or 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: GetSyncCommitteeRewardsResponse
+            type: object
+            properties:
+              execution_optimistic:
+                $ref: "../../../beacon-node-oapi.yaml#/components/schemas/ExecutionOptimistic"
+              finalized:
+                $ref: "../../../beacon-node-oapi.yaml#/components/schemas/Finalized"
+              data:
+                $ref: '../../../beacon-node-oapi.yaml#/components/schemas/SyncCommitteeRewards'
+    "400":
+      description: "Invalid get sync committee rewards request"
+      content:
+        application/json:
+          schema:
+            $ref: "../../../beacon-node-oapi.yaml#/components/schemas/ErrorMessage"
+          examples:
+            InvalidRequest:
+              value:
+                code: 400
+                message: "Invalid request to retrieve sync committee rewards info"
+    "404":
+      description: "Block not found"
+      content:
+        application/json:
+          schema:
+            $ref: "../../../beacon-node-oapi.yaml#/components/schemas/ErrorMessage"
+            example:
+              code: 404
+              message: "Block not found"
+    "500":
+      $ref: "../../../beacon-node-oapi.yaml#/components/responses/InternalError"

beacon-node-oapi.yaml

@@ -58,6 +58,7 @@ tags:
     description: Endpoints to query rewards and penalties for validators.
   - name: Experimental
     description: Endpoints that are not stable or fully implemented by each client.
+
 paths:
 
   /eth/v1/beacon/genesis:
@@ -94,6 +95,8 @@ paths:
     $ref: "./apis/beacon/blocks/root.yaml"
   /eth/v1/beacon/blocks/{block_id}/attestations:
     $ref: "./apis/beacon/blocks/attestations.yaml"
+  /eth/v1/beacon/rewards/sync_committee/{block_id}:
+    $ref: "./apis/beacon/rewards/sync_committee.yaml"
   /eth/v1/beacon/deposit_snapshot:
     $ref: "./apis/beacon/deposit_snapshot.yaml"
   /eth/v1/beacon/rewards/blocks/{block_id}:
@@ -326,6 +329,8 @@ components:
       $ref: './types/fork_choice.yaml#/Node'
     ExtraData:
       $ref: './types/fork_choice.yaml#/ExtraData'
+    SyncCommitteeRewards:
+      $ref: './types/rewards.yaml#/SyncCommitteeRewards'
     BlockRewards:
       $ref: './types/rewards.yaml#/BlockRewards'
     AttestationsRewards:

types/rewards.yaml

@@ -1,3 +1,22 @@
+SyncCommitteeRewards:
+  description: "Rewards info for sync committee members"
+  type: array
+  items:
+    type: object
+    description: "Rewards info for a single sync committee member"
+    required: ["validator_index", "reward"]
+    properties:
+      validator_index:
+        allOf:
+          - $ref: "./primitive.yaml#/Uint64"
+          - example: 0
+          - description: "one entry for every validator participating in the sync committee"
+      reward:
+        allOf:
+          - $ref: "./primitive.yaml#/Int64"
+          - example: 2000
+          - description: "sync committee reward in gwei for the validator"
+
 AttestationsRewards:
   description: "Rewards info for attestations"
   type: array
@@ -102,4 +121,4 @@ BlockRewards:
       allOf:
         - $ref: "./primitive.yaml#/Uint64"
         - example: 123
-        - description: "block reward component due to included attester_slashings in gwei"
+        - description: "block reward component due to included attester_slashings in gwei"