refactor: bump alloy to 0.5.2, remove requests struct usage

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "trevm"
-version = "0.12.1"
+version = "0.14.0"
 rust-version = "1.79.0"
 edition = "2021"
 authors = ["init4"]
@@ -30,17 +30,17 @@ redundant-clone = "warn"
 alloy-primitives = "=0.8.8"
 alloy-sol-types = "=0.8.8"
 
-alloy = { version = "=0.4.2", features = ["rpc-types-mev"] }
+alloy = { version = "=0.5.2", features = ["rpc-types-mev"] }
 
-revm = { version = "14.0.3", default-features = false, features = ["std"] }
+revm = { version = "16.0.0", default-features = false, features = ["std"] }
 
-zenith-types = "0.9"
+zenith-types = "0.10"
 
 thiserror = "1.0"
 alloy-rlp = "0.3"
 
 [dev-dependencies]
-revm = { version = "14.0.3", features = [
+revm = { version = "16.0.0", features = [
     "test-utils",
     "serde-json",
     "std",

src/driver/alloy.rs

@@ -219,7 +219,7 @@ impl BundleProcessor<EthCallBundle, EthCallBundleResponse> {
                 coinbase_diff,
                 eth_sent_to_coinbase,
                 from_address: tx.recover_signer()?,
-                to_address: match tx.to() {
+                to_address: match tx.kind() {
                     TxKind::Call(to) => Some(to),
                     _ => Some(Address::ZERO),
                 },

src/lib.rs

@@ -97,10 +97,10 @@
 //!   requests by crediting accounts.
 //! - [`eip6110`] - Prague's [EIP-6110], which extracts deposit
 //!   requests from the withdrawal contract events.
-//! - [`eip7002`] - Prague's [EIP-7002], which extracts [`WithdrawalRequest`]s
+//! - [`eip7002`] - Prague's [EIP-7002], which extracts withdrawal requestss
 //!   from the system withdrwal contract state.
 //! - [`eip7251`] - Prague's [EIP-7251], which extracts
-//!   [`ConsolidationRequest`]s from the system consolidation contract state.
+//!   consolidation requestss from the system consolidation contract state.
 //!
 //! The [`BlockDriver`] and [`ChainDriver`] trait methods take a mutable
 //! reference to allow the driver to accumulate information about the
@@ -350,8 +350,6 @@
 //! [`eip6110`]: crate::system::eip6110
 //! [`eip7002`]: crate::system::eip7002
 //! [`eip7251`]: crate::system::eip7251
-//! [`WithdrawalRequest`]: alloy::eips::eip7002::WithdrawalRequest
-//! [`ConsolidationRequest`]: alloy::eips::eip7251::ConsolidationRequest
 
 #![doc(
     html_logo_url = "https://raw.githubusercontent.com/alloy-rs/core/main/assets/alloy.jpg",

src/lifecycle/output.rs

@@ -1,8 +1,5 @@
-use alloy::{
-    consensus::{ReceiptEnvelope, TxReceipt},
-    eips::eip6110::DepositRequest,
-};
-use alloy_primitives::{Address, Bloom, Log};
+use alloy::consensus::{ReceiptEnvelope, TxReceipt};
+use alloy_primitives::{Address, Bloom, Bytes, Log};
 use std::sync::OnceLock;
 
 /// Information externalized during block execution.
@@ -106,7 +103,7 @@ impl<T: TxReceipt> BlockOutput<T> {
     }
 
     /// Find deposits in the logs of the transactions in the block.
-    pub fn find_deposit_logs(&self) -> impl Iterator<Item = DepositRequest> + '_ {
+    pub fn find_deposit_requests(&self) -> impl Iterator<Item = Bytes> + use<'_, T> {
         crate::system::eip6110::check_logs_for_deposits(
             self.receipts().iter().flat_map(TxReceipt::logs),
         )

src/system/eip6110.rs

@@ -1,5 +1,6 @@
-use alloy::{consensus::ReceiptEnvelope, eips::eip6110::DepositRequest};
-use alloy_primitives::Log;
+use alloy::consensus::ReceiptEnvelope;
+use alloy_primitives::{Bytes, Log};
+use alloy_rlp::BufMut;
 use alloy_sol_types::{sol, SolEvent};
 
 /// The address for the Ethereum 2.0 deposit contract on the mainnet.
@@ -22,49 +23,34 @@ sol! {
 ///
 /// - The `DepositEvent` is the only event in the deposit contract.
 /// - The deposit contract enforces the length of the fields.
-pub fn parse_deposit_from_log(log: &Log<DepositEvent>) -> DepositRequest {
-    // SAFETY: These `expect` https://github.com/ethereum/consensus-specs/blob/5f48840f4d768bf0e0a8156a3ed06ec333589007/solidity_deposit_contract/deposit_contract.sol#L107-L110
-    // are safe because the `DepositEvent` is the only event in the deposit contract and the length
-    // checks are done there.
-    DepositRequest {
-        pubkey: log
-            .pubkey
-            .as_ref()
-            .try_into()
-            .expect("pubkey length should be enforced in deposit contract"),
-        withdrawal_credentials: log
-            .withdrawal_credentials
-            .as_ref()
-            .try_into()
-            .expect("withdrawal_credentials length should be enforced in deposit contract"),
-        amount: u64::from_le_bytes(
-            log.amount
-                .as_ref()
-                .try_into()
-                .expect("amount length should be enforced in deposit contract"),
-        ),
-        signature: log
-            .signature
-            .as_ref()
-            .try_into()
-            .expect("signature length should be enforced in deposit contract"),
-        index: u64::from_le_bytes(
-            log.index
-                .as_ref()
-                .try_into()
-                .expect("deposit index length should be enforced in deposit contract"),
-        ),
-    }
+pub fn parse_deposit_from_log(log: &Log<DepositEvent>) -> Bytes {
+    [
+        log.pubkey.as_ref(),
+        log.withdrawal_credentials.as_ref(),
+        log.amount.as_ref(),
+        log.signature.as_ref(),
+        log.index.as_ref(),
+    ]
+    .concat()
+    .into()
+}
+
+/// Accumulate a deposit request from a log.
+pub fn accumulate_deposit_from_log(log: &Log<DepositEvent>, out: &mut dyn BufMut) {
+    out.put_slice(log.pubkey.as_ref());
+    out.put_slice(log.withdrawal_credentials.as_ref());
+    out.put_slice(log.amount.as_ref());
+    out.put_slice(log.signature.as_ref());
+    out.put_slice(log.index.as_ref());
 }
 
-/// Check an iterator of logs for deposit events, parsing them into
-/// [`DepositRequest`]s.
+/// Check an iterator of logs for deposit events.
 ///
 /// When parsing logs, the following assumptions are made
 ///
 /// - The `DepositEvent` is the only event in the deposit contract.
 /// - The deposit contract enforces the length of the fields.
-pub fn check_logs_for_deposits<'a, I>(logs: I) -> impl Iterator<Item = DepositRequest> + 'a
+pub fn check_logs_for_deposits<'a, I>(logs: I) -> impl Iterator<Item = Bytes> + 'a
 where
     I: IntoIterator<Item = &'a Log>,
     I::IntoIter: 'a,
@@ -77,8 +63,23 @@ where
     })
 }
 
+/// Accumulate deposits from an iterator of logs.
+pub fn accumulate_deposits_from_logs<'a>(
+    logs: impl IntoIterator<Item = &'a Log>,
+    out: &mut dyn BufMut,
+) {
+    logs.into_iter().filter(|log| log.address == MAINNET_DEPOSIT_CONTRACT_ADDRESS).for_each(
+        |log| {
+            // We assume that the log is valid because it was emitted by the
+            // deposit contract.
+            let decoded_log = DepositEvent::decode_log(log, false).expect("invalid log");
+            accumulate_deposit_from_log(&decoded_log, out);
+        },
+    );
+}
+
 /// Find deposit logs in a receipt. Iterates over the logs in the receipt and
-/// returns a [`DepositRequest`] for each log that is emitted by the
+/// returns a deposit request bytestring for each log that is emitted by the
 /// deposit contract.
 ///
 /// When parsing logs, the following assumptions are made
@@ -87,10 +88,36 @@ where
 /// - The deposit contract enforces the length of the fields.
 pub fn check_receipt_for_deposits(
     receipt: &ReceiptEnvelope,
-) -> impl Iterator<Item = DepositRequest> + '_ {
+) -> impl Iterator<Item = Bytes> + use<'_> {
     check_logs_for_deposits(receipt.logs())
 }
 
+/// Accumulate deposits from a receipt. Iterates over the logs in the receipt
+/// and accumulates the deposit request bytestrings.
+pub fn accumulate_deposits_from_receipt(receipt: &ReceiptEnvelope, out: &mut dyn BufMut) {
+    accumulate_deposits_from_logs(receipt.logs(), out);
+}
+
+/// Accumulate deposits from a list of receipts. Iterates over the logs in the
+/// receipts and accumulates the deposit request bytestrings.
+pub fn accumulate_deposits_from_receipts<'a, I>(receipts: I, out: &mut dyn BufMut)
+where
+    I: IntoIterator<Item = &'a ReceiptEnvelope>,
+{
+    receipts.into_iter().for_each(|receipt| accumulate_deposits_from_receipt(receipt, out));
+}
+
+/// Find deposit logs in a list of receipts, and return the concatenated
+/// deposit request bytestring.
+pub fn deposits_from_receipts<'a, I>(receipts: I) -> Bytes
+where
+    I: IntoIterator<Item = &'a ReceiptEnvelope>,
+{
+    let mut out = Vec::new();
+    accumulate_deposits_from_receipts(receipts, &mut out);
+    out.into()
+}
+
 // Some code above is reproduced from `reth`. It is reused here under the MIT
 // license.
 //
@@ -117,46 +144,44 @@ pub fn check_receipt_for_deposits(
 // THE SOFTWARE.
 
 #[cfg(test)]
-mod test {
-    use alloy::{
-        consensus::{Receipt, ReceiptEnvelope},
-        eips::eip6110::MAINNET_DEPOSIT_CONTRACT_ADDRESS,
-    };
-    use alloy_primitives::{Log, LogData};
-    use alloy_sol_types::SolEvent;
-
-    use super::DepositEvent;
+mod tests {
+    use super::*;
+    use alloy::consensus::{Receipt, ReceiptEnvelope};
+    use alloy_primitives::bytes;
 
     #[test]
-    fn test_eip6110() {
-        let receipt = Receipt {
-            logs: vec![Log {
-                address: MAINNET_DEPOSIT_CONTRACT_ADDRESS,
-                data: LogData::new_unchecked(
-                    vec![DepositEvent::SIGNATURE_HASH],
-                    DepositEvent {
-                        pubkey: [1; 48].to_vec().into(),
-                        withdrawal_credentials: [2; 32].to_vec().into(),
-                        amount: [3; 8].to_vec().into(),
-                        signature: [4; 96].to_vec().into(),
-                        index: [5; 8].to_vec().into(),
-                    }
-                    .encode_data()
-                    .into(),
-                ),
-            }],
-            status: true.into(),
-            cumulative_gas_used: 0,
-        };
-
-        let deposits: Vec<_> =
-            super::check_receipt_for_deposits(&ReceiptEnvelope::Eip1559(receipt.into())).collect();
+    fn test_parse_deposit_from_log() {
+        let receipts = vec![
+            // https://etherscan.io/tx/0xa5239d4c542063d29022545835815b78b09f571f2bf1c8427f4765d6f5abbce9
+            #[allow(clippy::needless_update)] // side-effect of optimism fields
+            ReceiptEnvelope::Legacy(Receipt {
+                // these don't matter
+                status: true.into(),
+                cumulative_gas_used: 0,
+                logs: serde_json::from_str(
+                    r#"[{"address":"0x00000000219ab540356cbb839cbe05303d7705fa","topics":["0x649bbc62d0e31342afea4e5cd82d4049e7e1ee912fc0889aa790803be39038c5"],"data":"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","blockHash":"0x8d1289c5a7e0965b1d1bb75cdc4c3f73dda82d4ebb94ff5b98d1389cebd53b56","blockNumber":"0x12f0d8d","transactionHash":"0xa5239d4c542063d29022545835815b78b09f571f2bf1c8427f4765d6f5abbce9","transactionIndex":"0xc4","logIndex":"0x18f","removed":false}]"#
+                ).unwrap(),
+                ..Default::default()
+            }.with_bloom()),
+            // https://etherscan.io/tx/0xd9734d4e3953bcaa939fd1c1d80950ee54aeecc02eef6ae8179f47f5b7103338
+            #[allow(clippy::needless_update)] // side-effect of optimism fields
+            ReceiptEnvelope::Legacy(Receipt {
+                // these don't matter
+                status: true.into(),
+                cumulative_gas_used: 0,
+                logs: serde_json::from_str(
+                    r#"[{"address":"0x00000000219ab540356cbb839cbe05303d7705fa","topics":["0x649bbc62d0e31342afea4e5cd82d4049e7e1ee912fc0889aa790803be39038c5"],"data":"0x00000000000000000000000000000000000000000000000000000000000000a000000000000000000000000000000000000000000000000000000000000001000000000000000000000000000000000000000000000000000000000000000140000000000000000000000000000000000000000000000000000000000000018000000000000000000000000000000000000000000000000000000000000002000000000000000000000000000000000000000000000000000000000000000030a1a2ba870a90e889aa594a0cc1c6feffb94c2d8f65646c937f1f456a315ef649533e25a4614d8f4f66ebdb06481b90af0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000200100000000000000000000000a0f04a231efbc29e1db7d086300ff550211c2f6000000000000000000000000000000000000000000000000000000000000000800405973070000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000060ad416d590e1a7f52baff770a12835b68904efad22cc9f8ba531e50cbbd26f32b9c7373cf6538a0577f501e4d3e3e63e208767bcccaae94e1e3720bfb734a286f9c017d17af46536545ccb7ca94d71f295e71f6d25bf978c09ada6f8d3f7ba0390000000000000000000000000000000000000000000000000000000000000008e374160000000000000000000000000000000000000000000000000000000000","blockHash":"0x8d1289c5a7e0965b1d1bb75cdc4c3f73dda82d4ebb94ff5b98d1389cebd53b56","blockNumber":"0x12f0d8d","transactionHash":"0xd9734d4e3953bcaa939fd1c1d80950ee54aeecc02eef6ae8179f47f5b7103338","transactionIndex":"0x7c","logIndex":"0xe2","removed":false}]"#,
+                ).unwrap(),
+                ..Default::default()
+            }.with_bloom()),
+        ];
 
-        assert_eq!(deposits.len(), 1);
-        assert_eq!(deposits[0].pubkey, [1; 48]);
-        assert_eq!(deposits[0].withdrawal_credentials, [2; 32]);
-        assert_eq!(deposits[0].amount, 0x0303030303030303);
-        assert_eq!(deposits[0].signature, [4; 96]);
-        assert_eq!(deposits[0].index, 0x0505050505050505);
+        let request_data = deposits_from_receipts(&receipts);
+        assert_eq!(
+            request_data,
+            bytes!(
+                "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"
+            )
+        );
     }
 }

src/system/eip7002.rs

@@ -1,6 +1,6 @@
 use super::{checked_insert_code, execute_system_tx};
 use crate::{system::SystemTx, EvmNeedsTx};
-use alloy::eips::eip7002::{WithdrawalRequest, WITHDRAWAL_REQUEST_PREDEPLOY_CODE};
+use alloy::eips::eip7002::WITHDRAWAL_REQUEST_PREDEPLOY_CODE;
 use alloy_primitives::{Address, Bytes};
 use revm::{
     primitives::{EVMError, SpecId},
@@ -48,12 +48,12 @@ impl<'a, Ext, Db: Database + DatabaseCommit> EvmNeedsTx<'a, Ext, Db> {
     /// request contract to accumulate withdrawal requests.
     ///
     /// [EIP-7002]: https://eips.ethereum.org/EIPS/eip-7002
-    pub fn apply_eip7002(&mut self) -> Result<Vec<WithdrawalRequest>, EVMError<Db::Error>>
+    pub fn apply_eip7002(&mut self) -> Result<Bytes, EVMError<Db::Error>>
     where
         Db: Database + DatabaseCommit,
     {
         if self.spec_id() < SpecId::PRAGUE {
-            return Ok(vec![]);
+            return Ok(Bytes::new());
         }
 
         checked_insert_code(
@@ -75,19 +75,7 @@ impl<'a, Ext, Db: Database + DatabaseCommit> EvmNeedsTx<'a, Ext, Db> {
             panic!("execution halted during withdrawal request system contract execution")
         };
 
-        let mut requests = vec![];
-
-        requests.extend(output.chunks_exact(WITHDRAWAL_REQUEST_BYTES).map(|chunk| {
-            let mut req: WithdrawalRequest = Default::default();
-
-            req.source_address.copy_from_slice(&chunk[0..20]);
-            req.validator_pubkey.copy_from_slice(&chunk[20..68]);
-            req.amount = u64::from_be_bytes(chunk[68..76].try_into().unwrap());
-
-            req
-        }));
-
-        Ok(requests)
+        Ok(output.clone())
     }
 }
 
@@ -131,11 +119,10 @@ mod test {
 
         let requests = trevm.apply_eip7002().unwrap();
 
-        assert_eq!(requests.len(), 1);
-
-        let withdrawal_request = requests[0];
+        assert_eq!(requests.len(), WITHDRAWAL_REQUEST_BYTES);
 
-        assert_eq!(withdrawal_request.validator_pubkey, VALIDATOR_PUBKEY);
-        assert_eq!(withdrawal_request.source_address, WITHDRAWAL_ADDR);
+        assert_eq!(&requests[0..20], WITHDRAWAL_ADDR.as_slice());
+        assert_eq!(&requests[20..68], VALIDATOR_PUBKEY.as_slice());
+        assert_eq!(&requests[68..], WITHDRAWAL_AMOUNT.as_slice());
     }
 }