interface IManager {

    // bytes can take on the form of deploying or recovering liquidity
    struct ControllerTransferData {
        bytes32 controllerId; // controller to target
        bytes data; // data the controller will pass
    }

    struct PoolTransferData {
        address pool; // pool to target
        uint256 amount; // amount to transfer
    }

    struct MaintenanceExecution {
         ControllerTransferData[] cycleSteps;
    }

    struct RolloverExecution {
        PoolTransferData[] poolData;
        ControllerTransferData[] cycleSteps;
        address[] poolsForWithdraw; //Pools to target for manager -> pool transfer
        bool complete; //Whether to mark the rollover complete
        string rewardsIpfsHash;
    }

    event ControllerRegistered(bytes32 id, address controller);
    event ControllerUnregistered(bytes32 id, address controller);
    event PoolRegistered(address pool);
    event PoolUnregistered(address pool);
    event CycleDurationSet(uint256 duration);
    event LiquidityMovedToManager(address pool, uint256 amount);
    event DeploymentStepExecuted(bytes32 controller, address adapaterAddress, bytes data);
    event LiquidityMovedToPool(address pool, uint256 amount);
    event CycleRolloverStarted(uint256 blockNumber);
    event CycleRolloverComplete(uint256 blockNumber);
    event DestinationsSet(address destinationOnL1, address destinationOnL2);
    event EventSendSet(bool eventSendSet);

    /// @notice Registers controller
    /// @param id Bytes32 id of controller
    /// @param controller Address of controller
    function registerController(bytes32 id, address controller) external;

    /// @notice Registers pool
    /// @param pool Address of pool
    function registerPool(address pool) external;

    /// @notice Unregisters controller
    /// @param id Bytes32 controller id
    function unRegisterController(bytes32 id) external;

    /// @notice Unregisters pool
    /// @param pool Address of pool
    function unRegisterPool(address pool) external;

    ///@notice Gets addresses of all pools registered
    ///@return Memory array of pool addresses
    function getPools() external view returns (address[] memory);

    ///@notice Gets ids of all controllers registered
    ///@return Memory array of Bytes32 controller ids
    function getControllers() external view returns (bytes32[] memory);

    ///@notice Allows for owner to set cycle duration
    ///@param duration Block durtation of cycle
    function setCycleDuration(uint256 duration) external;

    ///@notice Starts cycle rollover
    ///@dev Sets rolloverStarted state boolean to true
    function startCycleRollover() external;

    ///@notice Allows for controller commands to be executed midcycle
    ///@param params Contains data for controllers and params
    function executeMaintenance(MaintenanceExecution calldata params) external;

    ///@notice Allows for withdrawals and deposits for pools along with liq deployment
    ///@param params Contains various data for executing against pools and controllers
    function executeRollover(RolloverExecution calldata params) external;

    ///@notice Completes cycle rollover, publishes rewards hash to ipfs
    ///@param rewardsIpfsHash rewards hash uploaded to ipfs
    function completeRollover(string calldata rewardsIpfsHash) external;

    ///@notice Gets reward hash by cycle index
    ///@param index Cycle index to retrieve rewards hash
    ///@return String memory hash
    function cycleRewardsHashes(uint256 index) external view returns (string memory);

    ///@notice Gets current starting block
    ///@return uint256 with block number
    function getCurrentCycle() external view returns (uint256);

    ///@notice Gets current cycle index
    ///@return uint256 current cycle number
    function getCurrentCycleIndex() external view returns (uint256);

    ///@notice Gets current cycle duration
    ///@return uint256 in block of cycle duration
    function getCycleDuration() external view returns (uint256);

    ///@notice Gets cycle rollover status, true for rolling false for not
    ///@return Bool representing whether cycle is rolling over or not
    function getRolloverStatus() external view returns (bool);

    function setDestinations(address destinationOnL1, address destinationOnL2) external;

    /// @notice Sets state variable that tells contract if it can send data to EventProxy
    /// @param eventSendSet Bool to set state variable to
    function setEventSend(bool eventSendSet) external;
}
function getCurrentCycleIndex() external view returns (uint256);
///@notice Gets current cycle index
///@return uint256 current cycle number