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// SPDX-License-Identifier: MIT

pragma solidity 0.8.10;

import "./interfaces/pool/IOwnership.sol";

contract Ownership is IOwnership {
    address private _owner;
    address private _futureOwner;

    event CommitNewOwnership(address indexed futureOwner);
    event AcceptNewOwnership(address indexed owner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _owner = msg.sender;
        emit AcceptNewOwnership(msg.sender);
    }

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

    function futureOwner() external view override returns (address) {
        return _futureOwner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(
            _owner == msg.sender,
            "Caller is not allowed to operate"
        );
        _;
    }

    modifier onlyFutureOwner() {
        require(
            _futureOwner == msg.sender,
            "Caller is not allowed to operate"
        );
        _;
    }

        /***
         *@notice Transfer ownership of GaugeController to `newOwner`
         *@param newOwner Address to have ownership transferred to
         */
    function commitTransferOwnership(address newOwner)
        external
        override
        onlyOwner
    {
        _futureOwner = newOwner;
        emit CommitNewOwnership(newOwner);
    }

        /***
         *@notice Accept a transfer of ownership
         */
    function acceptTransferOwnership() external override onlyFutureOwner {
        _owner = msg.sender;
        _futureOwner = address(0);
        emit AcceptNewOwnership(msg.sender);
    }
}

pragma solidity 0.8.10;

//SPDX-License-Identifier: MIT

interface IOwnership {
    function owner() external view returns (address);

    function futureOwner() external view returns (address);

    function commitTransferOwnership(address newOwner) external;

    function acceptTransferOwnership() external;
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

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