install

.gitmodules

@@ -4,3 +4,6 @@
 [submodule "solidity/lib/eigenlayer-middleware"]
 	path = solidity/lib/eigenlayer-middleware
 	url = https://github.com/Layr-Labs/eigenlayer-middleware
+[submodule "solidity/lib/eigenlayer-contracts"]
+	path = solidity/lib/eigenlayer-contracts
+	url = https://github.com/Layr-Labs/eigenlayer-contracts

solidity/contracts/avs/HyperlaneServiceManager.sol

@@ -0,0 +1,94 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+pragma solidity >=0.8.0;
+
+import {OwnableUpgradeable} from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
+
+import {ISignatureUtils} from "@eigenlayer/core/interfaces/ISignatureUtils.sol";
+import {IAVSDirectory} from "@eigenlayer/core/interfaces/IAVSDirectory.sol";
+
+import {IStakeRegistry} from "@eigenlayer/middleware/interfaces/IStakeRegistry.sol";
+import {IServiceManager} from "@eigenlayer/middleware/interfaces/IServiceManager.sol";
+
+contract HyperlaneServiceManager is IServiceManager, OwnableUpgradeable {
+    IStakeRegistry internal immutable stakeRegistry;
+    IAVSDirectory internal immutable elAvsDirectory;
+
+    /// @notice when applied to a function, only allows the ECDSAStakeRegistry to call it
+    modifier onlyStakeRegistry() {
+        require(
+            msg.sender == address(stakeRegistry),
+            "HyperlaneServiceManager: caller is not the stake registry"
+        );
+        _;
+    }
+
+    constructor(IAVSDirectory _avsDirectory, IStakeRegistry _stakeRegistry) {
+        elAvsDirectory = _avsDirectory;
+        stakeRegistry = _stakeRegistry;
+        _disableInitializers();
+    }
+
+    /**
+     * @notice Updates the metadata URI for the AVS
+     * @param _metadataURI is the metadata URI for the AVS
+     * @dev only callable by the owner
+     */
+    function updateAVSMetadataURI(
+        string memory _metadataURI
+    ) public virtual onlyOwner {
+        elAvsDirectory.updateAVSMetadataURI(_metadataURI);
+    }
+
+    /**
+     * @notice Forwards a call to EigenLayer's AVSDirectory contract to confirm operator registration with the AVS
+     * @param operator The address of the operator to register.
+     * @param operatorSignature The signature, salt, and expiry of the operator's signature.
+     */
+    function registerOperatorToAVS(
+        address operator,
+        ISignatureUtils.SignatureWithSaltAndExpiry memory operatorSignature
+    ) public virtual onlyStakeRegistry {
+        elAvsDirectory.registerOperatorToAVS(operator, operatorSignature);
+    }
+
+    /**
+     * @notice Forwards a call to EigenLayer's AVSDirectory contract to confirm operator deregistration from the AVS
+     * @param operator The address of the operator to deregister.
+     */
+    function deregisterOperatorFromAVS(
+        address operator
+    ) public virtual onlyStakeRegistry {
+        elAvsDirectory.deregisterOperatorFromAVS(operator);
+    }
+
+    /**
+     * @notice Returns the list of strategies that the AVS supports for restaking
+     * @dev This function is intended to be called off-chain
+     * @dev No guarantee is made on uniqueness of each element in the returned array.
+     *      The off-chain service should do that validation separately
+     */
+    function getRestakeableStrategies()
+        external
+        view
+        returns (address[] memory)
+    {
+        // TODO
+        return new address[](0);
+    }
+
+    function getOperatorRestakedStrategies(
+        address operator
+    ) external view returns (address[] memory) {
+        // TODO
+        return new address[](0);
+    }
+
+    /// @notice Returns the EigenLayer AVSDirectory contract.
+    function avsDirectory() external view override returns (address) {
+        return address(elAvsDirectory);
+    }
+
+    // storage gap for upgradeability
+    // slither-disable-next-line shadowing-state
+    uint256[50] private __GAP;
+}

solidity/contracts/interfaces/avs/ITownCrier.sol

@@ -0,0 +1,19 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+pragma solidity >=0.8.0;
+
+/*@@@@@@@       @@@@@@@@@
+ @@@@@@@@@       @@@@@@@@@
+  @@@@@@@@@       @@@@@@@@@
+   @@@@@@@@@       @@@@@@@@@
+    @@@@@@@@@@@@@@@@@@@@@@@@@
+     @@@@@  HYPERLANE  @@@@@@@
+    @@@@@@@@@@@@@@@@@@@@@@@@@
+   @@@@@@@@@       @@@@@@@@@
+  @@@@@@@@@       @@@@@@@@@
+ @@@@@@@@@       @@@@@@@@@
+@@@@@@@@@       @@@@@@@@*/
+
+interface ITownCrier {
+    function challengeDelayBlocks() external view returns (uint256);
+    function handleChallenge(address operator) external;
+}

solidity/remappings.txt

@@ -1,5 +1,8 @@
 @openzeppelin=../node_modules/@openzeppelin
+@openzeppelin/contracts-upgradeable/=../node_modules/@openzeppelin/contracts-upgradeable/
 @layerzerolabs=../node_modules/@layerzerolabs
 @eth-optimism=../node_modules/@eth-optimism
 ds-test/=lib/forge-std/lib/ds-test/src/
 forge-std/=lib/forge-std/src/
+@eigenlayer/core/=lib/eigenlayer-contracts/src/contracts/
+@eigenlayer/middleware/=lib/eigenlayer-middleware/src/