BalancerHelperExtension

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.25;


/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
 abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}


/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}


interface IBalancerHelper {
    function addPool(bytes32 newPoolId) external;
    function addPools(bytes32[] memory _poolIds) external;
    function deletePool(uint256 index) external;
    function deletePools(uint256 from, uint256 to) external;
    function deleteAllPools() external;
    function pause(uint256 from, uint256 to) external;
    function pauseAll() external;
    function updateKeeper(address newKeeper) external;
}


contract BalancerHelperExtension is Ownable, IBalancerHelper {
    address public balancerHelper;

    constructor(address _balancerHelper) Ownable(msg.sender) {
        balancerHelper = _balancerHelper;
    }

    function setBalancerHelper(address _balancerHelper) external onlyOwner {
        require(_balancerHelper != address(0), "Invalid address");
        balancerHelper = _balancerHelper;
    }

    function addPool(bytes32 newPoolId) external override onlyOwner {
        IBalancerHelper(balancerHelper).addPool(newPoolId);
    }

    function addPools(bytes32[] memory _poolIds) external override onlyOwner {
        IBalancerHelper(balancerHelper).addPools(_poolIds);
    }

    function deletePool(uint256 index) external override onlyOwner {
        IBalancerHelper(balancerHelper).deletePool(index);
    }

    function deletePools(uint256 from, uint256 to) external override onlyOwner {
        IBalancerHelper(balancerHelper).deletePools(from, to);
    }

    function deleteAllPools() external override onlyOwner {
        IBalancerHelper(balancerHelper).deleteAllPools();
    }

    function pause(uint256 from, uint256 to) external override onlyOwner {
        IBalancerHelper(balancerHelper).pause(from, to);
    }

    function pauseAll() external override onlyOwner {
        IBalancerHelper(balancerHelper).pauseAll();
    }

    function pauseIndices(uint256[] memory indices) external onlyOwner {
        uint256 indicesLength = indices.length;
        uint256 indexToPause;
        for (uint256 i = 0; i < indicesLength; i++) {
            indexToPause = indices[i];
            IBalancerHelper(balancerHelper).pause(indexToPause, indexToPause + 1);
        }
    }

    function updateKeeper(address newKeeper) external override onlyOwner {
        IBalancerHelper(balancerHelper).updateKeeper(newKeeper);
    }
}