feat: IncredibleSquaringTemplate

src/interfaces/IIncredibleSquaringTaskManager.sol

@@ -0,0 +1,71 @@
+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.0;
+
+import {BN254} from "eigenlayer-middleware/src/libraries/BN254.sol";
+
+interface IIncredibleSquaringTaskManager {
+    // EVENTS
+    event NewTaskCreated(uint32 indexed taskIndex, Task task);
+
+    event TaskResponded(TaskResponse taskResponse, TaskResponseMetadata taskResponseMetadata);
+
+    event TaskCompleted(uint32 indexed taskIndex);
+
+    event TaskChallengedSuccessfully(uint32 indexed taskIndex, address indexed challenger);
+
+    event TaskChallengedUnsuccessfully(uint32 indexed taskIndex, address indexed challenger);
+
+    event AggregatorUpdated(address indexed oldAggregator, address indexed newAggregator);
+
+    event GeneratorUpdated(address indexed oldGenerator, address indexed newGenerator);
+
+    // STRUCTS
+    struct Task {
+        uint256 numberToBeSquared;
+        uint32 taskCreatedBlock;
+        // task submitter decides on the criteria for a task to be completed
+        // note that this does not mean the task was "correctly" answered (i.e. the number was squared correctly)
+        //      this is for the challenge logic to verify
+        // task is completed (and contract will accept its TaskResponse) when each quorumNumbers specified here
+        // are signed by at least quorumThresholdPercentage of the operators
+        // note that we set the quorumThresholdPercentage to be the same for all quorumNumbers, but this could be changed
+        bytes quorumNumbers;
+        uint32 quorumThresholdPercentage;
+    }
+
+    // Task response is hashed and signed by operators.
+    // these signatures are aggregated and sent to the contract as response.
+    struct TaskResponse {
+        // Can be obtained by the operator from the event NewTaskCreated.
+        uint32 referenceTaskIndex;
+        // This is just the response that the operator has to compute by itself.
+        uint256 numberSquared;
+    }
+
+    // Extra information related to taskResponse, which is filled inside the contract.
+    // It thus cannot be signed by operators, so we keep it in a separate struct than TaskResponse
+    // This metadata is needed by the challenger, so we emit it in the TaskResponded event
+    struct TaskResponseMetadata {
+        uint32 taskResponsedBlock;
+        bytes32 hashOfNonSigners;
+    }
+
+    // FUNCTIONS
+    // NOTE: this function creates new task.
+    function createNewTask(uint256 numberToBeSquared, uint32 quorumThresholdPercentage, bytes calldata quorumNumbers)
+        external;
+
+    /// @notice Returns the current 'taskNumber' for the middleware
+    function taskNumber() external view returns (uint32);
+
+    // // NOTE: this function raises challenge to existing tasks.
+    function raiseAndResolveChallenge(
+        Task calldata task,
+        TaskResponse calldata taskResponse,
+        TaskResponseMetadata calldata taskResponseMetadata,
+        BN254.G1Point[] memory pubkeysOfNonSigningOperators
+    ) external;
+
+    /// @notice Returns the TASK_RESPONSE_WINDOW_BLOCK
+    function getTaskResponseWindowBlock() external view returns (uint32);
+}

src/templates/IncredibleSquaringTemplate.sol

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+// SPDX-License-Identifier: UNLICENSED
+pragma solidity ^0.8.9;
+
+import {ServiceManagerBase} from "eigenlayer-middleware/src/ServiceManagerBase.sol";
+import {IIncredibleSquaringTaskManager} from "../interfaces/IIncredibleSquaringTaskManager.sol";
+import {IAVSDirectory} from "eigenlayer-core/contracts/interfaces/IAVSDirectory.sol";
+import {IRegistryCoordinator} from "eigenlayer-middleware/src/interfaces/IRegistryCoordinator.sol";
+import {IStakeRegistry} from "eigenlayer-middleware/src/interfaces/IStakeRegistry.sol";
+import {IRewardsCoordinator} from "eigenlayer-core/contracts/interfaces/IRewardsCoordinator.sol";
+
+/**
+ * @title Primary entrypoint for procuring services from IncredibleSquaring.
+ * @author Layr Labs, Inc.
+ */
+contract IncredibleSquaringTemplate is ServiceManagerBase {
+    IIncredibleSquaringTaskManager public immutable incredibleSquaringTaskManager;
+
+    /// @notice when applied to a function, ensures that the function is only callable by the `registryCoordinator`.
+    modifier onlyIncredibleSquaringTaskManager() {
+        require(
+            msg.sender == address(incredibleSquaringTaskManager),
+            "onlyIncredibleSquaringTaskManager: not from credible squaring task manager"
+        );
+        _;
+    }
+
+    constructor(
+        IAVSDirectory __avsDirectory,
+        IRewardsCoordinator __rewardsCoordinator,
+        IRegistryCoordinator __registryCoordinator,
+        IStakeRegistry __stakeRegistry,
+        IIncredibleSquaringTaskManager __incredibleSquaringTaskManager
+    ) ServiceManagerBase(__avsDirectory, __rewardsCoordinator, __registryCoordinator, __stakeRegistry) {
+        incredibleSquaringTaskManager = __incredibleSquaringTaskManager;
+    }
+
+    /// @notice Called in the event of challenge resolution, in order to forward a call to the Slasher, which 'freezes' the `operator`.
+    /// @dev The Slasher contract is under active development and its interface expected to change.
+    ///      We recommend writing slashing logic without integrating with the Slasher at this point in time.
+    function freezeOperator(address operatorAddr) external onlyIncredibleSquaringTaskManager {
+        // slasher.freezeOperator(operatorAddr);
+    }
+}