engine: send only execution requests hash commitment instead of full requests

Author: lightclient

src/engine/openrpc/methods/payload.yaml

@@ -210,12 +210,10 @@
       required: true
       schema:
         $ref: '#/components/schemas/hash32'
-    - name: Execution requests
+    - name: Execution requests hash
       required: true
       schema:
-        type: array
-        items:
-          $ref: '#/components/schemas/bytes'
+          $ref: '#/components/schemas/hash32'
   result:
     name: Payload status
     schema:
@@ -264,10 +262,7 @@
         - name: Root of the parent beacon block
           value: '0x169630f535b4a41330164c6e5c92b1224c0c407f582d407d0ac3d206cd32fd52'
         - name: Execution requests
-          value:
-            - '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'
-            - '0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b85103a5617937691dfeeb89b86a80d5dc9e3c9d3a1a0e7ce311e26e0bb732eabaa47ffa288f0d54de28209a62a7d29d0000000000000000000000000000000000000000000000000000010f698daeed734da114470da559bd4b4c7259e1f7952555241dcbc90cf194a2ef676fc6005f3672fada2a3645edb297a75530100000000000000'
-            - '0xa94f5374fce5edbc8e2a8697c15331677e6ebf0b85103a5617937691dfeeb89b86a80d5dc9e3c9d3a1a0e7ce311e26e0bb732eabaa47ffa288f0d54de28209a62a7d29d098daeed734da114470da559bd4b4c7259e1f7952555241dcbc90cf194a2ef676fc6005f3672fada2a3645edb297a7553'
+          value: '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'
       result:
         name: Payload status
         value:

src/engine/prague.md

@@ -26,7 +26,7 @@ This specification is based on and extends [Engine API - Cancun](./cancun.md) sp
 
 ### engine_newPayloadV4
 
-Method parameter list is extended with `executionRequests`.
+Method parameter list is extended with `executionRequestsHash`.
 
 #### Request
 
@@ -35,9 +35,7 @@ Method parameter list is extended with `executionRequests`.
   1. `executionPayload`: [`ExecutionPayloadV3`](./cancun.md#executionpayloadv3).
   2. `expectedBlobVersionedHashes`: `Array of DATA`, 32 Bytes - Array of expected blob versioned hashes to validate.
   3. `parentBeaconBlockRoot`: `DATA`, 32 Bytes - Root of the parent beacon block.
-  4. `executionRequests`: `Array of DATA` - List of execution layer triggered requests,
-each element of the list represents an SSZ encoded list of requests of a certain type as it is defined by [EIP-7685](https://eips.ethereum.org/EIPS/eip-7685)
-Elements of the list **MUST** be ordered by `requestType` in ascending order.
+  4. `executionRequestsHash`: `DATA`, 32 Bytes - Hash of execution layer triggered requests, defined by [EIP-7685](https://eips.ethereum.org/EIPS/eip-7685)
 
 #### Response
 
@@ -49,10 +47,7 @@ This method follows the same specification as [`engine_newPayloadV3`](./cancun.m
 
 1. Client software **MUST** return `-38005: Unsupported fork` error if the `timestamp` of the payload does not fall within the time frame of the Prague fork.
 
-2. Given the `executionRequests`, client software **MUST** compute the execution requests commitment
-and incorporate it into the `blockHash` validation process.
-That is, if the computed commitment does not match the corresponding commitment in the execution layer block header,
-the call **MUST** return `{status: INVALID, latestValidHash: null, validationError: errorMessage | null}`.
+2. Client software **MUST** incorporate the given `executionRequestsHash` into the `blockHash` validation process. That is, if the computed hash does not match the corresponding hash in the `executionPayload`, the call **MUST** return `{status: INVALID, latestValidHash: null, validationError: errorMessage | null}`.
 
 ### engine_getPayloadV4