Clarify context bytes in the RPC methods in 4844

ethereum · Jan 26, 2023 · dbabe9e · dbabe9e
1 parent 6e397b1
commit dbabe9e
Showing 1 changed file with 17 additions and 1 deletion.
diff --git a/specs/eip4844/p2p-interface.md b/specs/eip4844/p2p-interface.md
@@ -128,7 +128,7 @@ Per `context = compute_fork_digest(fork_version, genesis_validators_root)`:
 After `EIP4844_FORK_EPOCH`, `BeaconBlocksByRootV2` is replaced by `BeaconBlockAndBlobsSidecarByRootV1`.
 Clients MUST support requesting blocks by root for pre-fork-epoch blocks.
 
-Per `context = compute_fork_digest(fork_version, genesis_validators_root)`:
+The `<context-bytes>` field is calculated as `context = compute_fork_digest(fork_version, genesis_validators_root)`:
 
 [1]: # (eth2spec: skip)
 
@@ -143,6 +143,14 @@ Per `context = compute_fork_digest(fork_version, genesis_validators_root)`:
 
 **Protocol ID:** `/eth2/beacon_chain/req/beacon_block_and_blobs_sidecar_by_root/1/`
 
+The `<context-bytes>` field is calculated as `context = compute_fork_digest(fork_version, genesis_validators_root)`:
+
+[1]: # (eth2spec: skip)
+
+| `fork_version`           | Chunk SSZ type                |
+|--------------------------|-------------------------------|
+| `EIP4844_FORK_VERSION`   | `eip4844.SignedBeaconBlockAndBlobsSidecar`   |
+
 Request Content:
 
 ```
@@ -179,6 +187,14 @@ Clients MAY limit the number of blocks and sidecars in the response.
 
 **Protocol ID:** `/eth2/beacon_chain/req/blobs_sidecars_by_range/1/`
 
+The `<context-bytes>` field is calculated as `context = compute_fork_digest(fork_version, genesis_validators_root)`:
+
+[1]: # (eth2spec: skip)
+
+| `fork_version`           | Chunk SSZ type                |
+|--------------------------|-------------------------------|
+| `EIP4844_FORK_VERSION`   | `eip4844.BlobsSidecar`   |
+
 Request Content:
 ```
 (