Deneb Mainnet Patch

src/contracts/interfaces/IEigenPodManager.sol

@@ -42,6 +42,8 @@ interface IEigenPodManager is IPausable {
         bytes32 withdrawalRoot
     );
 
+    event DenebForkTimestampUpdated(uint64 newValue);
+
     /**
      * @notice Creates an EigenPod for the sender.
      * @dev Function will revert if the `msg.sender` already has an EigenPod.
@@ -146,4 +148,18 @@ interface IEigenPodManager is IPausable {
      * @dev Reverts if `shares` is not a whole Gwei amount
      */
     function withdrawSharesAsTokens(address podOwner, address destination, uint256 shares) external;
+
+    /**
+     * @notice the deneb hard fork timestamp used to determine which proof path to use for proving a withdrawal
+     */
+    function denebForkTimestamp() external view returns (uint64);
+
+     /**
+     * setting the deneb hard fork timestamp by the eigenPodManager owner
+     * @dev this function is designed to be called twice.  Once, it is set to type(uint64).max 
+     * prior to the actual deneb fork timestamp being set, and then the second time it is set 
+     * to the actual deneb fork timestamp.
+     */
+    function setDenebForkTimestamp(uint64 newDenebForkTimestamp) external;
+
 }

src/contracts/libraries/BeaconChainProofs.sol

@@ -27,7 +27,9 @@ library BeaconChainProofs {
     uint256 internal constant VALIDATOR_FIELD_TREE_HEIGHT = 3;
 
     uint256 internal constant NUM_EXECUTION_PAYLOAD_HEADER_FIELDS = 15;
-    uint256 internal constant EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT = 4;
+    //Note: changed in the deneb hard fork from 4->5
+    uint256 internal constant EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT_DENEB = 5;
+    uint256 internal constant EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT_CAPELLA = 4;
 
     uint256 internal constant NUM_EXECUTION_PAYLOAD_FIELDS = 15;
     uint256 internal constant EXECUTION_PAYLOAD_FIELD_TREE_HEIGHT = 4;
@@ -211,7 +213,8 @@ library BeaconChainProofs {
     function verifyWithdrawal(
         bytes32 beaconStateRoot,
         bytes32[] calldata withdrawalFields,
-        WithdrawalProof calldata withdrawalProof
+        WithdrawalProof calldata withdrawalProof,
+        uint64 denebForkTimestamp
     ) internal view {
         require(
             withdrawalFields.length == 2 ** WITHDRAWAL_FIELD_TREE_HEIGHT,
@@ -232,9 +235,11 @@ library BeaconChainProofs {
             "BeaconChainProofs.verifyWithdrawal: historicalSummaryIndex is too large"
         );
 
+        //Note: post deneb hard fork, the exection payload header fields increased, adding an extra level to the tree height
+        uint256 executionPayloadHeaderFieldTreeHeight = (getWithdrawalTimestamp(withdrawalProof) < denebForkTimestamp) ? EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT_CAPELLA : EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT_DENEB;
         require(
             withdrawalProof.withdrawalProof.length ==
-                32 * (EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT + WITHDRAWALS_TREE_HEIGHT + 1),
+                32 * (executionPayloadHeaderFieldTreeHeight + WITHDRAWALS_TREE_HEIGHT + 1),
             "BeaconChainProofs.verifyWithdrawal: withdrawalProof has incorrect length"
         );
         require(
@@ -247,7 +252,7 @@ library BeaconChainProofs {
             "BeaconChainProofs.verifyWithdrawal: slotProof has incorrect length"
         );
         require(
-            withdrawalProof.timestampProof.length == 32 * (EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT),
+            withdrawalProof.timestampProof.length == 32 * (executionPayloadHeaderFieldTreeHeight),
             "BeaconChainProofs.verifyWithdrawal: timestampProof has incorrect length"
         );
 

src/contracts/pods/EigenPod.sol

@@ -607,7 +607,8 @@ contract EigenPod is IEigenPod, Initializable, ReentrancyGuardUpgradeable, Eigen
         BeaconChainProofs.verifyWithdrawal({
             beaconStateRoot: beaconStateRoot, 
             withdrawalFields: withdrawalFields, 
-            withdrawalProof: withdrawalProof
+            withdrawalProof: withdrawalProof,
+            denebForkTimestamp: eigenPodManager.denebForkTimestamp()
         });
 
         uint40 validatorIndex = withdrawalFields.getValidatorIndex();

src/contracts/pods/EigenPodManager.sol

@@ -241,6 +241,28 @@ contract EigenPodManager is
         _updateBeaconChainOracle(newBeaconChainOracle);
     }
 
+    /**
+     * @notice Sets the timestamp of the Deneb fork.
+     * @param newDenebForkTimestamp is the new timestamp of the Deneb fork
+     */
+    function setDenebForkTimestamp(uint64 newDenebForkTimestamp) external onlyOwner {
+
+        /**
+        * @notice Modifier to ensure that the deneb fork timestamp is not set
+        * @dev Note that this function is only ever meant to be called twice.  First, it will be called to set the timestamp
+        * to type(uint64).max, and then it will be called to set the timestamp to the actual timestamp
+        */
+        require(newDenebForkTimestamp != 0, "EigenPodManager.denebForkEnabled: cannot set newDenebForkTimestamp to 0");
+        if(newDenebForkTimestamp == type(uint64).max){
+            require(denebForkTimestamp == 0, "EigenPodManager.denebForkEnabled: denebForkTimestamp must not be set yet");
+        } else {
+            require(denebForkTimestamp ==type(uint64).max, "EigenPodManager.denebForkEnabled: Deneb fork timestamp cannot be set");
+        }
+
+        denebForkTimestamp = newDenebForkTimestamp;
+        emit DenebForkTimestampUpdated(denebForkTimestamp);
+    }
+
     // INTERNAL FUNCTIONS
 
     function _deployPod() internal returns (IEigenPod) {

src/contracts/pods/EigenPodManagerStorage.sol

@@ -64,6 +64,8 @@ abstract contract EigenPodManagerStorage is IEigenPodManager {
      */
     mapping(address => int256) public podOwnerShares;
 
+    uint64 public denebForkTimestamp;
+
     constructor(
         IETHPOSDeposit _ethPOS,
         IBeacon _eigenPodBeacon,
@@ -83,5 +85,5 @@ abstract contract EigenPodManagerStorage is IEigenPodManager {
      * variables without shifting down storage in the inheritance chain.
      * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
      */
-    uint256[45] private __gap;
+    uint256[44] private __gap;
 }

src/test/EigenPod.t.sol

@@ -15,6 +15,8 @@ contract EigenPodTests is ProofParsing, EigenPodPausingConstants {
 
 
     uint256 internal constant GWEI_TO_WEI = 1e9;
+    uint64 public constant DENEB_FORK_TIMESTAMP_GOERLI = 1705473120;
+
 
     bytes pubkey =
         hex"88347ed1c492eedc97fc8c506a35d44d81f27a0c7a1c661b35913cfd15256c0cccbd34a83341f505c7de2983292f2cab";
@@ -24,6 +26,8 @@ contract EigenPodTests is ProofParsing, EigenPodPausingConstants {
 
     address podOwner = address(42000094993494);
 
+    bool public IS_DENEB;
+
     Vm cheats = Vm(HEVM_ADDRESS);
     DelegationManager public delegation;
     IStrategyManager public strategyManager;
@@ -255,6 +259,8 @@ contract EigenPodTests is ProofParsing, EigenPodPausingConstants {
             )
         );
 
+        eigenPodManager.setDenebForkTimestamp(type(uint64).max);
+
         cheats.deal(address(podOwner), 5 * stakeAmount);
 
         fuzzedAddressMapping[address(0)] = true;
@@ -502,6 +508,37 @@ contract EigenPodTests is ProofParsing, EigenPodPausingConstants {
     }
 
     /// @notice This test is to ensure the full withdrawal flow works
+    function testFullWithdrawalFlowDeneb() public returns (IEigenPod) {
+        eigenPodManager.setDenebForkTimestamp(DENEB_FORK_TIMESTAMP_GOERLI);
+        IS_DENEB = true;
+        //this call is to ensure that validator 302913 has proven their withdrawalcreds
+        // ./solidityProofGen  -newBalance=32000115173 "ValidatorFieldsProof" 302913 true "data/withdrawal_proof_goerli/goerli_block_header_6399998.json"  "data/withdrawal_proof_goerli/goerli_slot_6399998.json" "withdrawal_credential_proof_302913.json"
+        setJSON("./src/test/test-data/withdrawal_credential_proof_302913.json");
+        _testDeployAndVerifyNewEigenPod(podOwner, signature, depositDataRoot);
+        IEigenPod newPod = eigenPodManager.getPod(podOwner);
+
+        //Deneb: ./solidityProofGen/solidityProofGen "WithdrawalFieldsProof" 302913 271 8191 true false "data/deneb_goerli_block_header_7431952.json" "data/deneb_goerli_slot_7431952.json" "data/deneb_goerli_slot_7421952.json" "data/deneb_goerli_block_header_7421951.json" "data/deneb_goerli_block_7421951.json" "fullWithdrawalProof_Latest.json" false false
+        // To get block header: curl -H "Accept: application/json" 'https://eigenlayer.spiceai.io/goerli/beacon/eth/v1/beacon/headers/6399000?api_key\="343035|f6ebfef661524745abb4f1fd908a76e8"' > block_header_6399000.json
+        // To get block:  curl -H "Accept: application/json" 'https://eigenlayer.spiceai.io/goerli/beacon/eth/v2/beacon/blocks/6399000?api_key\="343035|f6ebfef661524745abb4f1fd908a76e8"' > block_6399000.json
+        setJSON("./src/test/test-data/fullWithdrawalDeneb.json");
+        return _proveWithdrawalForPod(newPod);
+    }
+
+    function testFullWithdrawalFlowCapellaWithdrawalAgainstDenebRoot() public returns (IEigenPod) {
+        IS_DENEB = false;
+        //this call is to ensure that validator 302913 has proven their withdrawalcreds
+        // ./solidityProofGen/solidityProofGen "WithdrawalFieldsProof" 302913 146 8092 true false "data/deneb_goerli_block_header_7431952.json" "data/deneb_goerli_slot_7431952.json" "data/goerli_slot_6397952.json" "data/goerli_block_header_6397852.json" "data/goerli_block_6397852.json" "fullWithdrawalProof_CapellaAgainstDeneb.json" false true
+        setJSON("./src/test/test-data/withdrawal_credential_proof_302913.json");
+        _testDeployAndVerifyNewEigenPod(podOwner, signature, depositDataRoot);
+        IEigenPod newPod = eigenPodManager.getPod(podOwner);
+
+        //Deneb: ./solidityProofGen/solidityProofGen "WithdrawalFieldsProof" 302913 271 8191 true false "data/deneb_goerli_block_header_7431952.json" "data/deneb_goerli_slot_7431952.json" "data/deneb_goerli_slot_7421952.json" "data/deneb_goerli_block_header_7421951.json" "data/deneb_goerli_block_7421951.json" "fullWithdrawalProof_Latest.json" false
+        // To get block header: curl -H "Accept: application/json" 'https://eigenlayer.spiceai.io/goerli/beacon/eth/v1/beacon/headers/6399000?api_key\="343035|f6ebfef661524745abb4f1fd908a76e8"' > block_header_6399000.json
+        // To get block:  curl -H "Accept: application/json" 'https://eigenlayer.spiceai.io/goerli/beacon/eth/v2/beacon/blocks/6399000?api_key\="343035|f6ebfef661524745abb4f1fd908a76e8"' > block_6399000.json
+        setJSON("./src/test/test-data/fullWithdrawalCapellaAgainstDenebRoot.json");
+        return _proveWithdrawalForPod(newPod);
+    }
+
     function testFullWithdrawalFlow() public returns (IEigenPod) {
         //this call is to ensure that validator 302913 has proven their withdrawalcreds
         // ./solidityProofGen  -newBalance=32000115173 "ValidatorFieldsProof" 302913 true "data/withdrawal_proof_goerli/goerli_block_header_6399998.json"  "data/withdrawal_proof_goerli/goerli_slot_6399998.json" "withdrawal_credential_proof_302913.json"
@@ -835,7 +872,6 @@ contract EigenPodTests is ProofParsing, EigenPodPausingConstants {
                emit log("hello");
 
         IEigenPod newPod = _testDeployAndVerifyNewEigenPod(podOwner, signature, depositDataRoot);
-        emit log("hello");
         //./solidityProofGen "WithdrawalFieldsProof" 302913 146 8092 true false "data/withdrawal_proof_goerli/goerli_block_header_6399998.json" "data/withdrawal_proof_goerli/goerli_slot_6399998.json" "data/withdrawal_proof_goerli/goerli_slot_6397852.json" "data/withdrawal_proof_goerli/goerli_block_header_6397852.json" "data/withdrawal_proof_goerli/goerli_block_6397852.json" "fullWithdrawalProof_Latest.json" false
         // To get block header: curl -H "Accept: application/json" 'https://eigenlayer.spiceai.io/goerli/beacon/eth/v1/beacon/headers/6399000?api_key\="343035|f6ebfef661524745abb4f1fd908a76e8"' > block_header_6399000.json
         // To get block:  curl -H "Accept: application/json" 'https://eigenlayer.spiceai.io/goerli/beacon/eth/v2/beacon/blocks/6399000?api_key\="343035|f6ebfef661524745abb4f1fd908a76e8"' > block_6399000.json
@@ -1475,7 +1511,7 @@ contract EigenPodTests is ProofParsing, EigenPodPausingConstants {
         uint64 withdrawalAmountGwei = Endian.fromLittleEndianUint64(
             withdrawalFields[BeaconChainProofs.WITHDRAWAL_VALIDATOR_AMOUNT_INDEX]
         );
-
+        emit log_named_uint("withdrawalAmountGwei", withdrawalAmountGwei);
         uint64 leftOverBalanceWEI = uint64(withdrawalAmountGwei - newPod.MAX_RESTAKED_BALANCE_GWEI_PER_VALIDATOR()) *
             uint64(GWEI_TO_WEI);
         cheats.deal(address(newPod), leftOverBalanceWEI);
@@ -1727,18 +1763,22 @@ contract EigenPodTests is ProofParsing, EigenPodPausingConstants {
         eigenPodManager.stake{value: stakeAmount}(pubkey, signature, depositDataRoot);
         cheats.stopPrank();
 
+        if(!IS_DENEB){
+            emit log("NOT DENEB");
+        }
+        bytes memory withdrawalProof = IS_DENEB ? abi.encodePacked(getWithdrawalProofDeneb()) : abi.encodePacked(getWithdrawalProofCapella());
+        bytes memory timestampProof = IS_DENEB ? abi.encodePacked(getTimestampProofDeneb()) : abi.encodePacked(getTimestampProofCapella());
         {
             bytes32 blockRoot = getBlockRoot();
             bytes32 slotRoot = getSlotRoot();
             bytes32 timestampRoot = getTimestampRoot();
             bytes32 executionPayloadRoot = getExecutionPayloadRoot();
-
             return
                 BeaconChainProofs.WithdrawalProof(
-                    abi.encodePacked(getWithdrawalProof()),
+                    abi.encodePacked(withdrawalProof),
                     abi.encodePacked(getSlotProof()),
                     abi.encodePacked(getExecutionPayloadProof()),
-                    abi.encodePacked(getTimestampProof()),
+                    abi.encodePacked(timestampProof),
                     abi.encodePacked(getHistoricalSummaryProof()),
                     uint64(getBlockRootIndex()),
                     uint64(getHistoricalSummaryIndex()),
@@ -1750,6 +1790,7 @@ contract EigenPodTests is ProofParsing, EigenPodPausingConstants {
                 );
         }
     }
+
 
     function _setOracleBlockRoot() internal {
         bytes32 latestBlockRoot = getLatestBlockRoot();
@@ -1778,7 +1819,7 @@ contract Relayer is Test {
         bytes32[] calldata withdrawalFields,
         BeaconChainProofs.WithdrawalProof calldata proofs
     ) public view {
-        BeaconChainProofs.verifyWithdrawal(beaconStateRoot, withdrawalFields, proofs);
+        BeaconChainProofs.verifyWithdrawal(beaconStateRoot, withdrawalFields, proofs, type(uint64).max);
     }
 }
 

src/test/events/IEigenPodManagerEvents.sol

@@ -5,6 +5,10 @@ interface IEigenPodManagerEvents {
     /// @notice Emitted to notify the update of the beaconChainOracle address
     event BeaconOracleUpdated(address indexed newOracleAddress);
 
+    /// @notice Emitted to notify that the denebForkTimestamp has been set
+    event DenebForkTimestampUpdated(uint64 denebForkTimestamp);
+
+
     /// @notice Emitted to notify the deployment of an EigenPod
     event PodDeployed(address indexed eigenPod, address indexed podOwner);
 

src/test/integration/IntegrationDeployer.t.sol

@@ -272,6 +272,11 @@ abstract contract IntegrationDeployer is Test, IUserDeployer {
 
         // Create mock beacon chain / proof gen interface
         beaconChain = new BeaconChainMock(timeMachine, beaconChainOracle);
+
+
+
+        //set deneb fork timestamp
+        eigenPodManager.setDenebForkTimestamp(type(uint64).max);
     }
 
     /// @dev Deploy a strategy and its underlying token, push to global lists of tokens/strategies, and whitelist

src/test/integration/mocks/BeaconChainMock.t.sol

@@ -694,19 +694,28 @@ contract BeaconChainMock is Test {
         (BeaconChainProofs.VALIDATOR_TREE_HEIGHT + 1) + BeaconChainProofs.BEACON_STATE_FIELD_TREE_HEIGHT
     );
 
-    uint immutable WITHDRAWAL_PROOF_LEN = 32 * (
-        BeaconChainProofs.EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT + 
+    uint immutable WITHDRAWAL_PROOF_LEN_CAPELLA = 32 * (
+        BeaconChainProofs.EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT_CAPELLA + 
         BeaconChainProofs.WITHDRAWALS_TREE_HEIGHT + 1
     );
+
+    uint immutable WITHDRAWAL_PROOF_LEN_DENEB= 32 * (
+        BeaconChainProofs.EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT_DENEB + 
+        BeaconChainProofs.WITHDRAWALS_TREE_HEIGHT + 1
+    );
+
     uint immutable EXECPAYLOAD_PROOF_LEN = 32 * (
         BeaconChainProofs.BEACON_BLOCK_HEADER_FIELD_TREE_HEIGHT + 
         BeaconChainProofs.BEACON_BLOCK_BODY_FIELD_TREE_HEIGHT
     );
     uint immutable SLOT_PROOF_LEN = 32 * (
         BeaconChainProofs.BEACON_BLOCK_HEADER_FIELD_TREE_HEIGHT
     );
-    uint immutable TIMESTAMP_PROOF_LEN = 32 * (
-        BeaconChainProofs.EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT
+    uint immutable TIMESTAMP_PROOF_LEN_CAPELLA = 32 * (
+        BeaconChainProofs.EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT_CAPELLA
+    );
+    uint immutable TIMESTAMP_PROOF_LEN_DENEB = 32 * (
+        BeaconChainProofs.EXECUTION_PAYLOAD_HEADER_FIELD_TREE_HEIGHT_DENEB
     );
     uint immutable HISTSUMMARY_PROOF_LEN = 32 * (
         BeaconChainProofs.BEACON_STATE_FIELD_TREE_HEIGHT +
@@ -725,10 +734,10 @@ contract BeaconChainMock is Test {
         uint64 oracleTimestamp
     ) internal view returns (BeaconChainProofs.WithdrawalProof memory) {
         return BeaconChainProofs.WithdrawalProof({
-            withdrawalProof: new bytes(WITHDRAWAL_PROOF_LEN),
+            withdrawalProof: new bytes(WITHDRAWAL_PROOF_LEN_CAPELLA),
             slotProof: new bytes(SLOT_PROOF_LEN),
             executionPayloadProof: new bytes(EXECPAYLOAD_PROOF_LEN),
-            timestampProof: new bytes(TIMESTAMP_PROOF_LEN),
+            timestampProof: new bytes(TIMESTAMP_PROOF_LEN_CAPELLA),
             historicalSummaryBlockRootProof: new bytes(HISTSUMMARY_PROOF_LEN),
             blockRootIndex: 0,
             historicalSummaryIndex: 0,

src/test/mocks/EigenPodManagerMock.sol

@@ -85,4 +85,11 @@ contract EigenPodManagerMock is IEigenPodManager, Test {
     function numPods() external view returns (uint256) {}
 
     function maxPods() external view returns (uint256) {}
+
+
+    function denebForkTimestamp() external view returns (uint64){
+        return type(uint64).max;
+    }
+
+    function setDenebForkTimestamp(uint64 timestamp) external{}
 }