Refactor mock builder (#6735)

* Update builder api for electra

* Refactor mock builder to separate functionality

* Return a higher payload value for builder by default

* Add additional methods

* Cleanup

* Add a flag for always returning a max bid

* Add logs for debugging

* Take builder secret key as an argument

* Merge branch 'unstable' into refactor-mock-builder

* Change return type for submit_blinded_blocks

* Merge branch 'unstable' into refactor-mock-builder

* Respect gas_limit from validator registration

* Revert "Respect gas_limit from validator registration"

This reverts commit 1f7b4a327e.

* Merge branch 'unstable' into refactor-mock-builder

* Remove unnecessary derive

consensus/types/src/builder_bid.rs

@@ -2,8 +2,8 @@ use crate::beacon_block_body::KzgCommitments;
 use crate::{
     ChainSpec, EthSpec, ExecutionPayloadHeaderBellatrix, ExecutionPayloadHeaderCapella,
     ExecutionPayloadHeaderDeneb, ExecutionPayloadHeaderElectra, ExecutionPayloadHeaderFulu,
-    ExecutionPayloadHeaderRef, ExecutionPayloadHeaderRefMut, ForkName, ForkVersionDeserialize,
-    SignedRoot, Uint256,
+    ExecutionPayloadHeaderRef, ExecutionPayloadHeaderRefMut, ExecutionRequests, ForkName,
+    ForkVersionDeserialize, SignedRoot, Uint256,
 };
 use bls::PublicKeyBytes;
 use bls::Signature;
@@ -36,6 +36,8 @@ pub struct BuilderBid<E: EthSpec> {
     pub header: ExecutionPayloadHeaderFulu<E>,
     #[superstruct(only(Deneb, Electra, Fulu))]
     pub blob_kzg_commitments: KzgCommitments<E>,
+    #[superstruct(only(Electra, Fulu))]
+    pub execution_requests: ExecutionRequests<E>,
     #[serde(with = "serde_utils::quoted_u256")]
     pub value: Uint256,
     pub pubkey: PublicKeyBytes,