dev: add requests to EthBuiltPayload (paradigmxyz#12072)

crates/e2e-test-utils/src/engine_api.rs

@@ -62,14 +62,7 @@ impl<E: EngineTypes, ChainSpec: EthereumHardforks> EngineApiTestContext<E, Chain
             .chain_spec
             .is_prague_active_at_timestamp(payload_builder_attributes.timestamp())
         {
-            let requests = payload
-                .executed_block()
-                .unwrap()
-                .execution_outcome()
-                .requests
-                .first()
-                .unwrap()
-                .clone();
+            let requests = payload.requests().unwrap();
             let envelope: <E as EngineTypes>::ExecutionPayloadEnvelopeV4 = payload.into();
             EngineApiClient::<E>::new_payload_v4(
                 &self.engine_api_client,

crates/ethereum/engine-primitives/src/payload.rs

@@ -33,6 +33,8 @@ pub struct EthBuiltPayload {
     /// The blobs, proofs, and commitments in the block. If the block is pre-cancun, this will be
     /// empty.
     pub(crate) sidecars: Vec<BlobTransactionSidecar>,
+    /// The requests of the payload
+    pub(crate) requests: Option<Requests>,
 }
 
 // === impl BuiltPayload ===
@@ -46,8 +48,9 @@ impl EthBuiltPayload {
         block: SealedBlock,
         fees: U256,
         executed_block: Option<ExecutedBlock>,
+        requests: Option<Requests>,
     ) -> Self {
-        Self { id, block, executed_block, fees, sidecars: Vec::new() }
+        Self { id, block, executed_block, fees, sidecars: Vec::new(), requests }
     }
 
     /// Returns the identifier of the payload.
@@ -97,6 +100,10 @@ impl BuiltPayload for EthBuiltPayload {
     fn executed_block(&self) -> Option<ExecutedBlock> {
         self.executed_block.clone()
     }
+
+    fn requests(&self) -> Option<Requests> {
+        self.requests.clone()
+    }
 }
 
 impl BuiltPayload for &EthBuiltPayload {
@@ -111,6 +118,10 @@ impl BuiltPayload for &EthBuiltPayload {
     fn executed_block(&self) -> Option<ExecutedBlock> {
         self.executed_block.clone()
     }
+
+    fn requests(&self) -> Option<Requests> {
+        self.requests.clone()
+    }
 }
 
 // V1 engine_getPayloadV1 response
@@ -152,15 +163,8 @@ impl From<EthBuiltPayload> for ExecutionPayloadEnvelopeV3 {
 
 impl From<EthBuiltPayload> for ExecutionPayloadEnvelopeV4 {
     fn from(value: EthBuiltPayload) -> Self {
-        let EthBuiltPayload { block, fees, sidecars, executed_block, .. } = value;
-
-        // if we have an executed block, we pop off the first set of requests from the execution
-        // outcome. the assumption here is that there will always only be one block in the execution
-        // outcome.
-        let execution_requests = executed_block
-            .and_then(|block| block.execution_outcome().requests.first().cloned())
-            .map(Requests::take)
-            .unwrap_or_default();
+        let EthBuiltPayload { block, fees, sidecars, requests, .. } = value;
+
         Self {
             execution_payload: block_to_payload_v3(block),
             block_value: fees,
@@ -174,7 +178,7 @@ impl From<EthBuiltPayload> for ExecutionPayloadEnvelopeV4 {
             // <https://github.com/ethereum/execution-apis/blob/fe8e13c288c592ec154ce25c534e26cb7ce0530d/src/engine/cancun.md#specification-2>
             should_override_builder: false,
             blobs_bundle: sidecars.into_iter().map(Into::into).collect::<Vec<_>>().into(),
-            execution_requests,
+            execution_requests: requests.unwrap_or_default().take(),
         }
     }
 }

crates/ethereum/payload/src/lib.rs

@@ -360,7 +360,7 @@ where
         db.take_bundle(),
         vec![receipts].into(),
         block_number,
-        vec![requests.unwrap_or_default()],
+        vec![requests.clone().unwrap_or_default()],
     );
     let receipts_root =
         execution_outcome.receipts_root_slow(block_number).expect("Number is in range");
@@ -449,7 +449,8 @@ where
         trie: Arc::new(trie_output),
     };
 
-    let mut payload = EthBuiltPayload::new(attributes.id, sealed_block, total_fees, Some(executed));
+    let mut payload =
+        EthBuiltPayload::new(attributes.id, sealed_block, total_fees, Some(executed), requests);
 
     // extend the payload with the blob sidecars from the executed txs
     payload.extend_sidecars(blob_sidecars);

crates/optimism/payload/src/payload.rs

@@ -2,7 +2,7 @@
 
 //! Optimism builder support
 
-use alloy_eips::eip2718::Decodable2718;
+use alloy_eips::{eip2718::Decodable2718, eip7685::Requests};
 use alloy_primitives::{Address, B256, U256};
 use alloy_rlp::Encodable;
 use alloy_rpc_types_engine::{ExecutionPayloadEnvelopeV2, ExecutionPayloadV1, PayloadId};
@@ -178,6 +178,10 @@ impl BuiltPayload for OptimismBuiltPayload {
     fn executed_block(&self) -> Option<ExecutedBlock> {
         self.executed_block.clone()
     }
+
+    fn requests(&self) -> Option<Requests> {
+        None
+    }
 }
 
 impl BuiltPayload for &OptimismBuiltPayload {
@@ -192,6 +196,10 @@ impl BuiltPayload for &OptimismBuiltPayload {
     fn executed_block(&self) -> Option<ExecutedBlock> {
         self.executed_block.clone()
     }
+
+    fn requests(&self) -> Option<Requests> {
+        None
+    }
 }
 
 // V1 engine_getPayloadV1 response

crates/payload/builder/src/lib.rs

@@ -65,7 +65,7 @@
 //!         },
 //!         ..Default::default()
 //!     };
-//!     let payload = EthBuiltPayload::new(self.attributes.id, payload.seal_slow(), U256::ZERO, None);
+//!     let payload = EthBuiltPayload::new(self.attributes.id, payload.seal_slow(), U256::ZERO, None, None);
 //!     Ok(payload)
 //! }
 //!

crates/payload/builder/src/test_utils.rs

@@ -89,6 +89,7 @@ impl PayloadJob for TestPayloadJob {
             Block::default().seal_slow(),
             U256::ZERO,
             Some(ExecutedBlock::default()),
+            Some(Default::default()),
         ))
     }
 

crates/payload/primitives/Cargo.toml

@@ -20,6 +20,7 @@ reth-transaction-pool.workspace = true
 reth-chain-state.workspace = true
 
 # alloy
+alloy-eips.workspace = true
 alloy-primitives.workspace = true
 alloy-rpc-types = { workspace = true, features = ["engine"] }
 op-alloy-rpc-types-engine.workspace = true

crates/payload/primitives/src/traits.rs

@@ -1,4 +1,5 @@
 use crate::{PayloadEvents, PayloadKind, PayloadTypes};
+use alloy_eips::eip7685::Requests;
 use alloy_primitives::{Address, B256, U256};
 use alloy_rpc_types::{
     engine::{PayloadAttributes as EthPayloadAttributes, PayloadId},
@@ -65,6 +66,9 @@ pub trait BuiltPayload: Send + Sync + std::fmt::Debug {
     fn executed_block(&self) -> Option<ExecutedBlock> {
         None
     }
+
+    /// Returns the EIP-7865 requests for the payload if any.
+    fn requests(&self) -> Option<Requests>;
 }
 
 /// This can be implemented by types that describe a currently running payload job.