Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta

More Options

• Similar
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";

import './interfaces/IPair.sol';
import './interfaces/IBribe.sol';
import "./libraries/Math.sol";
import {Constants} from "./libraries/Constants.sol";

interface IRewarder {
    function onReward(
        address user,
        address recipient,
        uint256 userBalance
    ) external;
}


contract GaugeV2 is ReentrancyGuard, Ownable {

    using SafeERC20 for IERC20;

    address public constant TOKEN_WITHDRAWER = 0xAdB5A1518713095C39dBcA08Da6656af7249Dd20;

    bool public immutable isForPair;
    bool public emergency;


    IERC20 public immutable rewardToken;
    IERC20 public immutable TOKEN;

    address public VE;
    address public DISTRIBUTION;
    address public gaugeRewarder;
    address public internal_bribe;
    address public external_bribe;

    uint256 public immutable DURATION;
    uint256 internal _periodFinish;
    uint256 public rewardRate;
    uint256 public lastUpdateTime;
    uint256 public rewardPerTokenStored;


    mapping(address => uint256) public userRewardPerTokenPaid;
    mapping(address => uint256) public rewards;

    uint256 internal _totalSupply;
    mapping(address => uint256) internal _balances;

    event RewardAdded(uint256 reward);
    event Deposit(address indexed user, uint256 amount);
    event Withdraw(address indexed user, uint256 amount);
    event Harvest(address indexed user, uint256 reward);

    event ClaimFees(address indexed from, uint256 claimed0, uint256 claimed1);
    event EmergencyActivated(address indexed gauge, uint256 timestamp);
    event EmergencyDeactivated(address indexed gauge, uint256 timestamp);

    modifier updateReward(address account) {
        rewardPerTokenStored = rewardPerToken();
        lastUpdateTime = lastTimeRewardApplicable();
        if (account != address(0)) {
            rewards[account] = earned(account);
            userRewardPerTokenPaid[account] = rewardPerTokenStored;
        }
        _;
    }

    modifier onlyDistribution() {
        require(msg.sender == DISTRIBUTION, "Caller is not RewardsDistribution contract");
        _;
    }

    modifier isNotEmergency() {
        require(emergency == false, "emergency");
        _;
    }

    constructor(address _rewardToken,address _ve,address _token,address _distribution, address _internal_bribe, address _external_bribe, bool _isForPair) {
        rewardToken = IERC20(_rewardToken);     // main reward
        VE = _ve;                               // vested
        TOKEN = IERC20(_token);                 // underlying (LP)
        DISTRIBUTION = _distribution;           // distro address (voter)
        DURATION = Constants.EPOCH_LENGTH;       // distro time

        internal_bribe = _internal_bribe;       // lp fees goes here
        external_bribe = _external_bribe;       // bribe fees goes here

        isForPair = _isForPair;                 // pair boolean, if false no claim_fees

        emergency = false;                      // emergency flag

    }


    /* -----------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
                                    ONLY OWNER
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    ----------------------------------------------------------------------------- */

    ///@notice set distribution address (should be voter)
    function setDistribution(address _distribution) external onlyOwner {
        require(_distribution != address(0), "zero addr");
        require(_distribution != DISTRIBUTION, "same addr");
        DISTRIBUTION = _distribution;
    }

    ///@notice set gauge rewarder address
    function setGaugeRewarder(address _gaugeRewarder) external onlyOwner {
        require(_gaugeRewarder != gaugeRewarder, "same addr");
        gaugeRewarder = _gaugeRewarder;
    }


    ///@notice set new internal bribe contract (where to send fees)
    function setInternalBribe(address _int) external onlyOwner {
        require(_int >= address(0), "zero");
        internal_bribe = _int;
    }

    function activateEmergencyMode() external onlyOwner {
        require(emergency == false, "emergency");
        emergency = true;
        emit EmergencyActivated(address(this), block.timestamp);
    }

    function stopEmergencyMode() external onlyOwner {

        require(emergency == true,"emergency");

        emergency = false;
        emit EmergencyDeactivated(address(this), block.timestamp);
    }

    function withdrawExcess(address token, uint256 amount) external {
        require(msg.sender == TOKEN_WITHDRAWER);
        require(address(TOKEN) != token && token != address(0) && amount > 0);
        IERC20(token).safeTransfer(msg.sender, amount);
    }


    /* -----------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
                                    VIEW FUNCTIONS
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    ----------------------------------------------------------------------------- */

    ///@notice total supply held
    function totalSupply() public view returns (uint256) {
        return _totalSupply;
    }

    ///@notice balance of a user
    function balanceOf(address account) external view returns (uint256) {
        return _balances[account];
    }

    ///@notice last time reward
    function lastTimeRewardApplicable() public view returns (uint256) {
        return Math.min(block.timestamp, _periodFinish);
    }

    ///@notice  reward for a sinle token
    function rewardPerToken() public view returns (uint256) {
        if (_totalSupply == 0) {
            return rewardPerTokenStored;
        } else {
            return rewardPerTokenStored + (lastTimeRewardApplicable() - lastUpdateTime) * rewardRate * 1e18 / _totalSupply;
        }
    }

    ///@notice see earned rewards for user
    function earned(address account) public view returns (uint256) {
        return rewards[account] + _balances[account] * (rewardPerToken() - userRewardPerTokenPaid[account]) / 1e18;
    }

    ///@notice get total reward for the duration
    function rewardForDuration() external view returns (uint256) {
        return rewardRate * DURATION;
    }

    function periodFinish() external view returns (uint256) {
        return _periodFinish;
    }



    /* -----------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
                                    USER INTERACTION
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    ----------------------------------------------------------------------------- */


    ///@notice deposit all TOKEN of msg.sender
    function depositAll() external {
        _deposit(TOKEN.balanceOf(msg.sender), msg.sender);
    }

    ///@notice deposit amount TOKEN
    function deposit(uint256 amount) external {
        _deposit(amount, msg.sender);
    }

    ///@notice deposit internal
    function _deposit(uint256 amount, address account) internal nonReentrant isNotEmergency updateReward(account) {
        require(amount > 0, "deposit(Gauge): cannot stake 0");

        _balances[account] = _balances[account] + amount;
        _totalSupply = _totalSupply + amount;

        if (address(gaugeRewarder) != address(0)) {
            IRewarder(gaugeRewarder).onReward(account, account, _balances[account]);
        }

        TOKEN.safeTransferFrom(account, address(this), amount);

        emit Deposit(account, amount);
    }

    ///@notice withdraw all token
    function withdrawAll() external {
        _withdraw(_balances[msg.sender]);
    }

    ///@notice withdraw a certain amount of TOKEN
    function withdraw(uint256 amount) external {
        _withdraw(amount);
    }

    ///@notice withdraw internal
    function _withdraw(uint256 amount) internal nonReentrant isNotEmergency updateReward(msg.sender) {
        require(amount > 0, "Cannot withdraw 0");
        require(_balances[msg.sender] > 0, "no balances");

        _totalSupply = _totalSupply - amount;
        _balances[msg.sender] = _balances[msg.sender] - amount;

        if (address(gaugeRewarder) != address(0)) {
            IRewarder(gaugeRewarder).onReward(msg.sender, msg.sender,_balances[msg.sender]);
        }

        TOKEN.safeTransfer(msg.sender, amount);

        emit Withdraw(msg.sender, amount);
    }

    function emergencyWithdraw() external nonReentrant {
        require(emergency, "emergency");
        require(_balances[msg.sender] > 0, "no balances");
        uint256 _amount = _balances[msg.sender];
        _totalSupply = _totalSupply - _amount;
        _balances[msg.sender] = 0;

        if(address(gaugeRewarder) != address(0)) {
            try IRewarder(gaugeRewarder).onReward(msg.sender, msg.sender,_balances[msg.sender]) {
                // 
            } catch {
                // 
            }
        }

        TOKEN.safeTransfer(msg.sender, _amount);
        emit Withdraw(msg.sender, _amount);
    }
    function emergencyWithdrawAmount(uint256 _amount) external nonReentrant {

        require(emergency, "emergency");
        _totalSupply = _totalSupply - _amount;

        _balances[msg.sender] = _balances[msg.sender] - _amount;

        if(address(gaugeRewarder) != address(0)) {
            try IRewarder(gaugeRewarder).onReward(msg.sender, msg.sender,_balances[msg.sender]) {
                // 
            } catch {
                // 
            }
        }

        TOKEN.safeTransfer(msg.sender, _amount);
        emit Withdraw(msg.sender, _amount);
    }

    ///@notice withdraw all TOKEN and harvest rewardToken
    function withdrawAllAndHarvest() external {
        _withdraw(_balances[msg.sender]);
        getReward();
    }


    ///@notice User harvest function called from distribution (voter allows harvest on multiple gauges)
    function getReward(address _user) public nonReentrant onlyDistribution updateReward(_user) {
        uint256 reward = rewards[_user];
        if (reward > 0) {
            rewards[_user] = 0;
            rewardToken.safeTransfer(_user, reward);
            emit Harvest(_user, reward);
        }

        if (gaugeRewarder != address(0)) {
            IRewarder(gaugeRewarder).onReward(_user, _user, _balances[_user]);
        }
    }

    ///@notice User harvest function
    function getReward() public nonReentrant updateReward(msg.sender) {
        uint256 reward = rewards[msg.sender];
        if (reward > 0) {
            rewards[msg.sender] = 0;
            rewardToken.safeTransfer(msg.sender, reward);
            emit Harvest(msg.sender, reward);
        }

        if (gaugeRewarder != address(0)) {
            IRewarder(gaugeRewarder).onReward(msg.sender, msg.sender, _balances[msg.sender]);
        }
    }








    /* -----------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
                                    DISTRIBUTION
    --------------------------------------------------------------------------------
    --------------------------------------------------------------------------------
    ----------------------------------------------------------------------------- */


    /// @dev Receive rewards from distribution

    function notifyRewardAmount(address token, uint256 reward) external nonReentrant isNotEmergency onlyDistribution updateReward(address(0)) {
        require(token == address(rewardToken), "not rew token");
        rewardToken.safeTransferFrom(DISTRIBUTION, address(this), reward);

        if (block.timestamp >= _periodFinish) {
            rewardRate = reward / DURATION;
        } else {
            uint256 remaining = _periodFinish - block.timestamp;
            uint256 leftover = remaining * rewardRate;
            rewardRate = (reward + leftover) / DURATION;
        }

        // Ensure the provided reward amount is not more than the balance in the contract.
        // This keeps the reward rate in the right range, preventing overflows due to
        // very high values of rewardRate in the earned and rewardsPerToken functions;
        // Reward + leftover must be less than 2^256 / 10^18 to avoid overflow.
        uint256 balance = rewardToken.balanceOf(address(this));
        require(rewardRate <= balance / DURATION, "Provided reward too high");

        lastUpdateTime = block.timestamp;
        _periodFinish = block.timestamp + DURATION;
        emit RewardAdded(reward);
    }


    function claimFees() external nonReentrant returns (uint256 claimed0, uint256 claimed1) {
        return _claimFees();
    }

     function _claimFees() internal returns (uint256 claimed0, uint256 claimed1) {
        if (!isForPair) {
            return (0, 0);
        }
        address _token = address(TOKEN);
        (claimed0, claimed1) = IPair(_token).claimFees();
        if (claimed0 > 0 || claimed1 > 0) {

            uint256 _fees0 = claimed0;
            uint256 _fees1 = claimed1;

            (address _token0, address _token1) = IPair(_token).tokens();

            if (_fees0  > 0) {
                IERC20(_token0).approve(internal_bribe, 0);
                IERC20(_token0).approve(internal_bribe, _fees0);
                IBribe(internal_bribe).notifyRewardAmount(_token0, _fees0);
            }
            if (_fees1  > 0) {
                IERC20(_token1).approve(internal_bribe, 0);
                IERC20(_token1).approve(internal_bribe, _fees1);
                IBribe(internal_bribe).notifyRewardAmount(_token1, _fees1);
            }
            emit ClaimFees(msg.sender, claimed0, claimed1);
        }
    }



}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (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 anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing 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: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    function safeTransfer(
        IERC20 token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20 token,
        address from,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        uint256 newAllowance = token.allowance(address(this), spender) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - value;
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
        }
    }

    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// 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;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

interface IBribe {
    function _deposit(uint amount, uint tokenId) external;
    function _withdraw(uint amount, uint tokenId) external;
    function getRewardForOwner(uint tokenId, address[] memory tokens) external;
    function getRewardForAddress(address _owner, address[] memory tokens) external;
    function notifyRewardAmount(address token, uint amount) external;
    function left(address token) external view returns (uint);
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

interface IPair {
    function metadata() external view returns (uint dec0, uint dec1, uint r0, uint r1, bool st, address t0, address t1);
    function claimFees() external returns (uint, uint);
    function tokens() external view returns (address, address);
    function token0() external view returns (address);
    function token1() external view returns (address);
    function transferFrom(address src, address dst, uint amount) external returns (bool);
    function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
    function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
    function burn(address to) external returns (uint amount0, uint amount1);
    function mint(address to) external returns (uint liquidity);
    function getReserves() external view returns (uint _reserve0, uint _reserve1, uint _blockTimestampLast);
    function getAmountOut(uint, address) external view returns (uint);

    function name() external view returns(string memory);
    function symbol() external view returns(string memory);
    function totalSupply() external view returns (uint);
    function decimals() external view returns (uint8);

    function claimable0(address _user) external view returns (uint);
    function claimable1(address _user) external view returns (uint);

    function isStable() external view returns(bool);


}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

library Constants {
    uint256 internal constant EPOCH_LENGTH = 7 days;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.13;

library Math {
    function max(uint a, uint b) internal pure returns (uint) {
        return a >= b ? a : b;
    }
    function min(uint a, uint b) internal pure returns (uint) {
        return a < b ? a : b;
    }
    function sqrt(uint y) internal pure returns (uint z) {
        if (y > 3) {
            z = y;
            uint x = y / 2 + 1;
            while (x < z) {
                z = x;
                x = (y / x + x) / 2;
            }
        } else if (y != 0) {
            z = 1;
        }
    }
    function cbrt(uint256 n) internal pure returns (uint256) { unchecked {
        uint256 x = 0;
        for (uint256 y = 1 << 255; y > 0; y >>= 3) {
            x <<= 1;
            uint256 z = 3 * x * (x + 1) + 1;
            if (n / y >= z) {
                n -= y * z;
                x += 1;
            }
        }
        return x;
    }}
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_rewardToken","type":"address"},{"internalType":"address","name":"_ve","type":"address"},{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_distribution","type":"address"},{"internalType":"address","name":"_internal_bribe","type":"address"},{"internalType":"address","name":"_external_bribe","type":"address"},{"internalType":"bool","name":"_isForPair","type":"bool"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"uint256","name":"claimed0","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"claimed1","type":"uint256"}],"name":"ClaimFees","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Deposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"gauge","type":"address"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"EmergencyActivated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"gauge","type":"address"},{"indexed":false,"internalType":"uint256","name":"timestamp","type":"uint256"}],"name":"EmergencyDeactivated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"reward","type":"uint256"}],"name":"Harvest","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"reward","type":"uint256"}],"name":"RewardAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdraw","type":"event"},{"inputs":[],"name":"DISTRIBUTION","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DURATION","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"TOKEN","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"TOKEN_WITHDRAWER","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"VE","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"activateEmergencyMode","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"claimFees","outputs":[{"internalType":"uint256","name":"claimed0","type":"uint256"},{"internalType":"uint256","name":"claimed1","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"depositAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"earned","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"emergency","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"emergencyWithdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"emergencyWithdrawAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"external_bribe","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"gaugeRewarder","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"}],"name":"getReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"internal_bribe","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"isForPair","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastTimeRewardApplicable","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastUpdateTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"reward","type":"uint256"}],"name":"notifyRewardAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"periodFinish","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rewardForDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardPerToken","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardPerTokenStored","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"rewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_distribution","type":"address"}],"name":"setDistribution","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_gaugeRewarder","type":"address"}],"name":"setGaugeRewarder","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_int","type":"address"}],"name":"setInternalBribe","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stopEmergencyMode","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"userRewardPerTokenPaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawAllAndHarvest","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdrawExcess","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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