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// SPDX-License-Identifier: BUSL 1.1
pragma solidity =0.8.22;

import "openzeppelin-contracts/contracts/access/Ownable.sol";
import "./interfaces/IStakingConfig.sol";


// Contract owned by the DAO with parameters modifiable only by the DAO
contract StakingConfig is IStakingConfig, Ownable
    {
    event MinUnstakeWeeksChanged(uint256 newMinUnstakeWeeks);
    event MaxUnstakeWeeksChanged(uint256 newMaxUnstakeWeeks);
    event MinUnstakePercentChanged(uint256 newMinUnstakePercent);
    event ModificationCooldownChanged(uint256 newModificationCooldown);

    // The minimum number of weeks for an unstake request at which point minUnstakePercent of the original staked ZERO tokens is reclaimable.
	// Range: 2 to 12 with an adjustment of 1
	uint256 public minUnstakeWeeks = 2;  // minUnstakePercent returned for unstaking this number of weeks

	// The maximum number of weeks for an unstake request at which point 100% of the original staked ZERO tokens is reclaimable.
	// Range: 20 to 108 with an adjustment of 8
	uint256 public maxUnstakeWeeks = 52;

	// The percentage of the original staked ZERO tokens that is reclaimable when unstaking the minimum number of weeks.
	// Range: 10 to 50 with an adjustment of 5
	uint256 public minUnstakePercent = 20;

	// Minimum time between increasing and decreasing user share in SharedRewards contracts.
	// Prevents reward hunting where users could frontrun reward distributions and then immediately withdraw.
	// Range: 15 minutes to 6 hours with an adjustment of 15 minutes
	uint256 public modificationCooldown = 15 minutes;


	function changeMinUnstakeWeeks(bool increase) external onlyOwner
        {
        if (increase)
            {
            if (minUnstakeWeeks < 12)
                minUnstakeWeeks += 1;
            }
        else
            {
            if (minUnstakeWeeks > 2)
                minUnstakeWeeks -= 2;
            }

		emit MinUnstakeWeeksChanged(minUnstakeWeeks);
        }


	function changeMaxUnstakeWeeks(bool increase) external onlyOwner
        {
        if (increase)
            {
            if (maxUnstakeWeeks < 108)
                maxUnstakeWeeks += 8;
            }
        else
            {
            if (maxUnstakeWeeks > 20)
                maxUnstakeWeeks -= 8;
            }

		emit MaxUnstakeWeeksChanged(maxUnstakeWeeks);
        }


	function changeMinUnstakePercent(bool increase) external onlyOwner
        {
        if (increase)
            {
            if (minUnstakePercent < 50)
                minUnstakePercent += 5;
            }
        else
            {
            if (minUnstakePercent > 10)
                minUnstakePercent -= 5;
            }

		emit MinUnstakePercentChanged(minUnstakePercent);
        }


	function changeModificationCooldown(bool increase) external onlyOwner
        {
        if (increase)
            {
            if (modificationCooldown < 6 hours)
                modificationCooldown += 15 minutes;
            }
        else
            {
            if (modificationCooldown > 15 minutes)
                modificationCooldown -= 15 minutes;
            }

		emit ModificationCooldownChanged(modificationCooldown);
        }
    }

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @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.
 *
 * By default, the owner account will be the one that deploys the contract. 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;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

    /**
     * @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 {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @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 {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _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);
    }
}

// SPDX-License-Identifier: BUSL 1.1
pragma solidity =0.8.22;


interface IStakingConfig
	{
	function changeMinUnstakeWeeks(bool increase) external; // onlyOwner
	function changeMaxUnstakeWeeks(bool increase) external; // onlyOwner
	function changeMinUnstakePercent(bool increase) external; // onlyOwner
	function changeModificationCooldown(bool increase) external; // onlyOwner

	// Views
    function minUnstakeWeeks() external view returns (uint256);
    function maxUnstakeWeeks() external view returns (uint256);
    function minUnstakePercent() external view returns (uint256);
    function modificationCooldown() external view returns (uint256);
	}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @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;
    }
}

{
  "remappings": [
    "chainlink/=lib/chainlink/",
    "ds-test/=lib/openzeppelin-contracts/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts/lib/erc4626-tests/",
    "forge-std/=lib/openzeppelin-contracts/lib/forge-std/src/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/",
    "v3-core/=lib/v3-core/contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "libraries": {}
}

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