chore: flatten eip-7685 requests into a single opaque list

Cargo.toml

@@ -81,7 +81,7 @@ alloy-chains = { version = "0.1.18", default-features = false }
 
 # eips
 alloy-eip2930 = { version = "0.1.0", default-features = false }
-alloy-eip7702 = { version = "0.1.1", default-features = false }
+alloy-eip7702 = { version = "0.2.0", default-features = false }
 
 # ethereum
 ethereum_ssz_derive = "0.8"

crates/consensus/src/transaction/envelope.rs

@@ -880,7 +880,7 @@ mod tests {
                 storage_keys: vec![B256::left_padding_from(&[9])],
             }]),
             authorization_list: vec![(Authorization {
-                chain_id: U256::from(1),
+                chain_id: 1,
                 address: Address::left_padding_from(&[10]),
                 nonce: 1u64,
             })
@@ -1051,7 +1051,7 @@ mod tests {
                 storage_keys: vec![B256::random()],
             }]),
             authorization_list: vec![(Authorization {
-                chain_id: U256::from(1),
+                chain_id: 1,
                 address: Address::left_padding_from(&[1]),
                 nonce: 1u64,
             })

crates/network/src/ethereum/builder.rs

@@ -203,7 +203,7 @@ mod tests {
     };
     use alloy_consensus::{BlobTransactionSidecar, TxEip1559, TxType, TypedTransaction};
     use alloy_eips::eip7702::Authorization;
-    use alloy_primitives::{Address, Signature, U256};
+    use alloy_primitives::{Address, Signature};
     use alloy_rpc_types_eth::{AccessList, TransactionRequest};
     use std::str::FromStr;
 
@@ -268,7 +268,7 @@ mod tests {
             .with_to(Address::ZERO)
             .with_access_list(AccessList::default())
             .with_authorization_list(vec![(Authorization {
-                chain_id: U256::from(1),
+                chain_id: 1,
                 address: Address::left_padding_from(&[1]),
                 nonce: 1u64,
             })

crates/provider/src/ext/engine.rs

@@ -1,11 +1,11 @@
 use crate::Provider;
 use alloy_network::Network;
-use alloy_primitives::{BlockHash, B256};
+use alloy_primitives::{BlockHash, Bytes, B256};
 use alloy_rpc_types_engine::{
     ClientVersionV1, ExecutionPayloadBodiesV1, ExecutionPayloadEnvelopeV2,
     ExecutionPayloadEnvelopeV3, ExecutionPayloadEnvelopeV4, ExecutionPayloadInputV2,
-    ExecutionPayloadV1, ExecutionPayloadV3, ExecutionPayloadV4, ForkchoiceState, ForkchoiceUpdated,
-    PayloadAttributes, PayloadId, PayloadStatus,
+    ExecutionPayloadV1, ExecutionPayloadV3, ForkchoiceState, ForkchoiceUpdated, PayloadAttributes,
+    PayloadId, PayloadStatus,
 };
 use alloy_transport::{Transport, TransportResult};
 
@@ -46,9 +46,10 @@ pub trait EngineApi<N, T>: Send + Sync {
     /// See also <https://github.com/ethereum/execution-apis/blob/03911ffc053b8b806123f1fc237184b0092a485a/src/engine/prague.md#engine_newpayloadv4>
     async fn new_payload_v4(
         &self,
-        payload: ExecutionPayloadV4,
+        payload: ExecutionPayloadV3,
         versioned_hashes: Vec<B256>,
         parent_beacon_block_root: B256,
+        execution_requests: Vec<Bytes>,
     ) -> TransportResult<PayloadStatus>;
 
     /// Updates the execution layer client with the given fork choice, as specified for the Paris
@@ -210,12 +211,16 @@ where
 
     async fn new_payload_v4(
         &self,
-        payload: ExecutionPayloadV4,
+        payload: ExecutionPayloadV3,
         versioned_hashes: Vec<B256>,
         parent_beacon_block_root: B256,
+        execution_requests: Vec<Bytes>,
     ) -> TransportResult<PayloadStatus> {
         self.client()
-            .request("engine_newPayloadV4", (payload, versioned_hashes, parent_beacon_block_root))
+            .request(
+                "engine_newPayloadV4",
+                (payload, versioned_hashes, parent_beacon_block_root, execution_requests),
+            )
             .await
     }
 

crates/rpc-types-beacon/src/payload.rs

@@ -9,14 +9,10 @@
 //! See also <https://github.com/ethereum/consensus-specs/blob/master/specs/deneb/beacon-chain.md#executionpayload>
 
 use crate::{withdrawals::BeaconWithdrawal, BlsPublicKey};
-use alloy_eips::{
-    eip4895::Withdrawal, eip6110::DepositRequest, eip7002::WithdrawalRequest,
-    eip7251::ConsolidationRequest,
-};
+use alloy_eips::eip4895::Withdrawal;
 use alloy_primitives::{Address, Bloom, Bytes, B256, U256};
 use alloy_rpc_types_engine::{
     ExecutionPayload, ExecutionPayloadV1, ExecutionPayloadV2, ExecutionPayloadV3,
-    ExecutionPayloadV4,
 };
 use serde::{Deserialize, Deserializer, Serialize, Serializer};
 use serde_with::{serde_as, DeserializeAs, DisplayFromStr, SerializeAs};
@@ -406,76 +402,6 @@ pub mod beacon_payload_v3 {
     }
 }
 
-#[serde_as]
-#[derive(Debug, Serialize, Deserialize)]
-struct BeaconExecutionPayloadV4<'a> {
-    /// Inner V1 payload
-    #[serde(flatten)]
-    payload_inner: BeaconExecutionPayloadV3<'a>,
-    deposit_requests: Vec<DepositRequest>,
-    withdrawal_requests: Vec<WithdrawalRequest>,
-    consolidation_requests: Vec<ConsolidationRequest>,
-}
-
-impl<'a> From<BeaconExecutionPayloadV4<'a>> for ExecutionPayloadV4 {
-    fn from(payload: BeaconExecutionPayloadV4<'a>) -> Self {
-        let BeaconExecutionPayloadV4 {
-            payload_inner,
-            deposit_requests,
-            withdrawal_requests,
-            consolidation_requests,
-        } = payload;
-        Self {
-            payload_inner: payload_inner.into(),
-            deposit_requests,
-            withdrawal_requests,
-            consolidation_requests,
-        }
-    }
-}
-
-impl<'a> From<&'a ExecutionPayloadV4> for BeaconExecutionPayloadV4<'a> {
-    fn from(value: &'a ExecutionPayloadV4) -> Self {
-        let ExecutionPayloadV4 {
-            payload_inner,
-            deposit_requests,
-            withdrawal_requests,
-            consolidation_requests,
-        } = value;
-        BeaconExecutionPayloadV4 {
-            payload_inner: payload_inner.into(),
-            deposit_requests: deposit_requests.clone(),
-            withdrawal_requests: withdrawal_requests.clone(),
-            consolidation_requests: consolidation_requests.clone(),
-        }
-    }
-}
-
-/// A helper serde module to convert from/to the Beacon API which uses quoted decimals rather than
-/// big-endian hex.
-pub mod beacon_payload_v4 {
-    use super::*;
-
-    /// Serialize the payload attributes for the beacon API.
-    pub fn serialize<S>(
-        payload_attributes: &ExecutionPayloadV4,
-        serializer: S,
-    ) -> Result<S::Ok, S::Error>
-    where
-        S: Serializer,
-    {
-        BeaconExecutionPayloadV4::from(payload_attributes).serialize(serializer)
-    }
-
-    /// Deserialize the payload attributes for the beacon API.
-    pub fn deserialize<'de, D>(deserializer: D) -> Result<ExecutionPayloadV4, D::Error>
-    where
-        D: Deserializer<'de>,
-    {
-        BeaconExecutionPayloadV4::deserialize(deserializer).map(Into::into)
-    }
-}
-
 /// Represents all possible payload versions.
 #[derive(Debug, Serialize)]
 #[serde(untagged)]
@@ -486,8 +412,6 @@ enum BeaconExecutionPayload<'a> {
     V2(BeaconExecutionPayloadV2<'a>),
     /// V3 payload
     V3(BeaconExecutionPayloadV3<'a>),
-    /// V4 payload
-    V4(BeaconExecutionPayloadV4<'a>),
 }
 
 // Deserializes untagged ExecutionPayload by trying each variant in falling order
@@ -499,13 +423,11 @@ impl<'de> Deserialize<'de> for BeaconExecutionPayload<'de> {
         #[derive(Deserialize)]
         #[serde(untagged)]
         enum BeaconExecutionPayloadDesc<'a> {
-            V4(BeaconExecutionPayloadV4<'a>),
             V3(BeaconExecutionPayloadV3<'a>),
             V2(BeaconExecutionPayloadV2<'a>),
             V1(BeaconExecutionPayloadV1<'a>),
         }
         match BeaconExecutionPayloadDesc::deserialize(deserializer)? {
-            BeaconExecutionPayloadDesc::V4(payload) => Ok(Self::V4(payload)),
             BeaconExecutionPayloadDesc::V3(payload) => Ok(Self::V3(payload)),
             BeaconExecutionPayloadDesc::V2(payload) => Ok(Self::V2(payload)),
             BeaconExecutionPayloadDesc::V1(payload) => Ok(Self::V1(payload)),
@@ -519,7 +441,6 @@ impl<'a> From<BeaconExecutionPayload<'a>> for ExecutionPayload {
             BeaconExecutionPayload::V1(payload) => Self::V1(ExecutionPayloadV1::from(payload)),
             BeaconExecutionPayload::V2(payload) => Self::V2(ExecutionPayloadV2::from(payload)),
             BeaconExecutionPayload::V3(payload) => Self::V3(ExecutionPayloadV3::from(payload)),
-            BeaconExecutionPayload::V4(payload) => Self::V4(ExecutionPayloadV4::from(payload)),
         }
     }
 }
@@ -536,9 +457,6 @@ impl<'a> From<&'a ExecutionPayload> for BeaconExecutionPayload<'a> {
             ExecutionPayload::V3(payload) => {
                 BeaconExecutionPayload::V3(BeaconExecutionPayloadV3::from(payload))
             }
-            ExecutionPayload::V4(payload) => {
-                BeaconExecutionPayload::V4(BeaconExecutionPayloadV4::from(payload))
-            }
         }
     }
 }

crates/rpc-types-beacon/src/relay.rs

@@ -3,10 +3,9 @@
 //! See also <https://flashbots.github.io/relay-specs/>
 
 use crate::{BlsPublicKey, BlsSignature};
-use alloy_primitives::{Address, B256, U256};
+use alloy_primitives::{Address, Bytes, B256, U256};
 use alloy_rpc_types_engine::{
     BlobsBundleV1, ExecutionPayload, ExecutionPayloadV1, ExecutionPayloadV2, ExecutionPayloadV3,
-    ExecutionPayloadV4,
 };
 use serde::{Deserialize, Serialize};
 use serde_with::{serde_as, DisplayFromStr};
@@ -148,10 +147,12 @@ pub struct SignedBidSubmissionV4 {
     /// The [`BidTrace`] message associated with the submission.
     pub message: BidTrace,
     /// The execution payload for the submission.
-    #[serde(with = "crate::payload::beacon_payload_v4")]
-    pub execution_payload: ExecutionPayloadV4,
+    #[serde(with = "crate::payload::beacon_payload_v3")]
+    pub execution_payload: ExecutionPayloadV3,
     /// The Electra block bundle for this bid.
     pub blobs_bundle: BlobsBundleV1,
+    /// The Pectra execution requests for this bid.
+    pub execution_requests: Vec<Bytes>,
     /// The signature associated with the submission.
     pub signature: BlsSignature,
 }