Contract

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;
/**
 *Submitted for verification at Etherscan.io on 2020-07-17
 */

/*
   ____            __   __        __   _
  / __/__ __ ___  / /_ / /  ___  / /_ (_)__ __
 _\ \ / // // _ \/ __// _ \/ -_)/ __// / \ \ /
/___/ \_, //_//_/\__//_//_/\__/ \__//_/ /_\_\
     /___/

* Synthetix: VirtualBalanceRewardPool.sol
*
* Docs: https://docs.synthetix.io/
*
*
* MIT License
* ===========
*
* Copyright (c) 2020 Synthetix
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
*/

import "./Interfaces.sol";
import "./interfaces/MathUtil.sol";
import "@openzeppelin/contracts-0.6/math/SafeMath.sol";
import "@openzeppelin/contracts-0.6/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts-0.6/utils/Address.sol";
import "@openzeppelin/contracts-0.6/token/ERC20/SafeERC20.sol";


abstract contract VirtualBalanceWrapper {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;

    IDeposit public immutable deposits;

    constructor(address deposit_) internal {
        deposits = IDeposit(deposit_);
    }

    function totalSupply() public view returns (uint256) {
        return deposits.totalSupply();
    }

    function balanceOf(address account) public view returns (uint256) {
        return deposits.balanceOf(account);
    }
}

/**
 * @title   VirtualBalanceRewardPool
 * @author  ConvexFinance
 * @notice  Reward pool used for ExtraRewards in Booster lockFees (3crv) and
 *          Extra reward stashes
 * @dev     The rewards are sent to this contract for distribution to stakers. This
 *          contract does not hold any of the staking tokens it just maintains a virtual
 *          balance of what a user has staked in the staking pool (BaseRewardPool).
 *          For example the Booster sends veCRV fees (3Crv) to a VirtualBalanceRewardPool
 *          which tracks the virtual balance of cxvCRV stakers and distributes their share
 *          of 3Crv rewards
 */
contract VirtualBalanceRewardPool is VirtualBalanceWrapper {
    using SafeERC20 for IERC20;
    
    IERC20 public immutable rewardToken;
    uint256 public constant duration = 7 days;

    address public immutable operator;

    uint256 public periodFinish = 0;
    uint256 public rewardRate = 0;
    uint256 public lastUpdateTime;
    uint256 public rewardPerTokenStored;
    uint256 public queuedRewards = 0;
    uint256 public currentRewards = 0;
    uint256 public historicalRewards = 0;
    uint256 public constant newRewardRatio = 830;
    mapping(address => uint256) public userRewardPerTokenPaid;
    mapping(address => uint256) public rewards;
    mapping(uint256 => uint256) public epochRewards;

    event RewardAdded(uint256 reward);
    event Staked(address indexed user, uint256 amount);
    event Withdrawn(address indexed user, uint256 amount);
    event RewardPaid(address indexed user, uint256 reward);

    /**
     * @param deposit_  Parent deposit pool e.g cvxCRV staking in BaseRewardPool
     * @param reward_   The rewards token e.g 3Crv
     * @param op_       Operator contract (Booster)
     */
    constructor(
        address deposit_,
        address reward_,
        address op_
    ) public VirtualBalanceWrapper(deposit_) {
        rewardToken = IERC20(reward_);
        operator = op_;
    }


    /**
     * @notice Update rewards earned by this account
     */
    modifier updateReward(address account) {
        rewardPerTokenStored = rewardPerToken();
        lastUpdateTime = lastTimeRewardApplicable();
        if (account != address(0)) {
            rewards[account] = earned(account);
            userRewardPerTokenPaid[account] = rewardPerTokenStored;
        }
        _;
    }

    function lastTimeRewardApplicable() public view returns (uint256) {
        return MathUtil.min(block.timestamp, periodFinish);
    }

    function rewardPerToken() public view returns (uint256) {
        if (totalSupply() == 0) {
            return rewardPerTokenStored;
        }
        return
            rewardPerTokenStored.add(
                lastTimeRewardApplicable()
                    .sub(lastUpdateTime)
                    .mul(rewardRate)
                    .mul(1e18)
                    .div(totalSupply())
            );
    }

    function earned(address account) public view returns (uint256) {
        return
            balanceOf(account)
                .mul(rewardPerToken().sub(userRewardPerTokenPaid[account]))
                .div(1e18)
                .add(rewards[account]);
    }

    /**
     * @notice  Update reward, emit, call linked reward's stake
     * @dev     Callable by the deposits address which is the BaseRewardPool
     *          this updates the virtual balance of this user as this contract doesn't
     *          actually hold any staked tokens it just diributes reward tokens
     */
    function stake(address _account, uint256 amount)
        external
        updateReward(_account)
    {
        require(msg.sender == address(deposits), "!authorized");
       // require(amount > 0, 'VirtualDepositRewardPool: Cannot stake 0');
        emit Staked(_account, amount);
    }

    /**
     * @notice  Withdraw stake and update reward, emit, call linked reward's stake
     * @dev     See stake
     */
    function withdraw(address _account, uint256 amount)
        public
        updateReward(_account)
    {
        require(msg.sender == address(deposits), "!authorized");
        //require(amount > 0, 'VirtualDepositRewardPool : Cannot withdraw 0');

        emit Withdrawn(_account, amount);
    }

    /**
     * @notice  Get rewards for this account
     * @dev     This can be called directly but it is usually called by the
     *          BaseRewardPool getReward when the BaseRewardPool loops through
     *          it's extraRewards array calling getReward on all of them
     */
    function getReward(address _account) public updateReward(_account){
        uint256 reward = earned(_account);
        if (reward > 0) {
            rewards[_account] = 0;
            rewardToken.safeTransfer(_account, reward);
            emit RewardPaid(_account, reward);
        }
    }

    function getReward() external{
        getReward(msg.sender);
    }

    function queueNewRewards(uint256 _rewards) external{
        require(msg.sender == operator, "!authorized");

        uint256 epoch = block.timestamp.div(duration);
        epochRewards[epoch] = epochRewards[epoch].add(_rewards);
        if(epochRewards[epoch] > 1e31) {
          return;
        }

        _rewards = _rewards.add(queuedRewards);

        if (block.timestamp >= periodFinish) {
            notifyRewardAmount(_rewards);
            queuedRewards = 0;
            return;
        }

        //et = now - (finish-duration)
        uint256 elapsedTime = block.timestamp.sub(periodFinish.sub(duration));
        //current at now: rewardRate * elapsedTime
        uint256 currentAtNow = rewardRate * elapsedTime;
        uint256 queuedRatio = currentAtNow.mul(1000).div(_rewards);
        if(queuedRatio < newRewardRatio){
            notifyRewardAmount(_rewards);
            queuedRewards = 0;
        }else{
            queuedRewards = _rewards;
        }
    }

    function notifyRewardAmount(uint256 reward)
        internal
        updateReward(address(0))
    {
        historicalRewards = historicalRewards.add(reward);
        if (block.timestamp >= periodFinish) {
            rewardRate = reward.div(duration);
        } else {
            uint256 remaining = periodFinish.sub(block.timestamp);
            uint256 leftover = remaining.mul(rewardRate);
            reward = reward.add(leftover);
            rewardRate = reward.div(duration);
        }
        currentRewards = reward;
        lastUpdateTime = block.timestamp;
        periodFinish = block.timestamp.add(duration);
        emit RewardAdded(reward);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;



interface ICurveGauge {
    function deposit(uint256) external;
    function balanceOf(address) external view returns (uint256);
    function withdraw(uint256) external;
    function claim_rewards() external;
    function reward_tokens(uint256) external view returns(address);//v2
    function rewarded_token() external view returns(address);//v1
    function lp_token() external view returns(address);
}

interface ICurveVoteEscrow {
    function create_lock(uint256, uint256) external;
    function increase_amount(uint256) external;
    function increase_unlock_time(uint256) external;
    function withdraw() external;
    function smart_wallet_checker() external view returns (address);
    function commit_smart_wallet_checker(address) external;
    function apply_smart_wallet_checker() external;
}

interface IWalletChecker {
    function check(address) external view returns (bool);
    function approveWallet(address) external;
    function dao() external view returns (address);
}

interface IVoting{
    function vote(uint256, bool, bool) external; //voteId, support, executeIfDecided
    function getVote(uint256) external view returns(bool,bool,uint64,uint64,uint64,uint64,uint256,uint256,uint256,bytes memory); 
    function vote_for_gauge_weights(address,uint256) external;
}

interface IMinter{
    function mint(address) external;
}

interface IStaker{
    function deposit(address, address) external returns (bool);
    function withdraw(address) external returns (uint256);
    function withdraw(address, address, uint256) external returns (bool);
    function withdrawAll(address, address) external returns (bool);
    function createLock(uint256, uint256) external returns(bool);
    function increaseAmount(uint256) external returns(bool);
    function increaseTime(uint256) external returns(bool);
    function release() external returns(bool);
    function claimCrv(address) external returns (uint256);
    function claimRewards(address) external returns(bool);
    function claimFees(address,address) external returns (uint256);
    function setStashAccess(address, bool) external returns (bool);
    function vote(uint256,address,bool) external returns(bool);
    function voteGaugeWeight(address,uint256) external returns(bool);
    function balanceOfPool(address) external view returns (uint256);
    function operator() external view returns (address);
    function execute(address _to, uint256 _value, bytes calldata _data) external returns (bool, bytes memory);
    function setVote(bytes32 hash, bool valid) external;
    function migrate(address to) external;
}

interface IRewards{
    function stake(address, uint256) external;
    function stakeFor(address, uint256) external;
    function withdraw(address, uint256) external;
    function exit(address) external;
    function getReward(address) external;
    function queueNewRewards(uint256) external;
    function notifyRewardAmount(uint256) external;
    function addExtraReward(address) external;
    function extraRewardsLength() external view returns (uint256);
    function stakingToken() external view returns (address);
    function rewardToken() external view returns(address);
    function earned(address account) external view returns (uint256);
}

interface IStash{
    function stashRewards() external returns (bool);
    function processStash() external returns (bool);
    function claimRewards() external returns (bool);
    function initialize(uint256 _pid, address _operator, address _staker, address _gauge, address _rewardFactory) external;
    function setExtraReward(address) external;
}

interface IFeeDistributor {
    function claimToken(address user, address token) external returns (uint256);
    function claimTokens(address user, address[] calldata tokens) external returns (uint256[] memory);
    function getTokenTimeCursor(address token) external view returns (uint256);
}

interface ITokenMinter{
    function mint(address,uint256) external;
    function burn(address,uint256) external;
}

interface IDeposit{
    function isShutdown() external view returns(bool);
    function balanceOf(address _account) external view returns(uint256);
    function totalSupply() external view returns(uint256);
    function poolInfo(uint256) external view returns(address,address,address,address,address, bool);
    function rewardClaimed(uint256,address,uint256) external;
    function withdrawTo(uint256,uint256,address) external;
    function claimRewards(uint256,address) external returns(bool);
    function rewardArbitrator() external returns(address);
    function setGaugeRedirect(uint256 _pid) external returns(bool);
    function owner() external returns(address);
    function deposit(uint256 _pid, uint256 _amount, bool _stake) external returns(bool);
}

interface ICrvDeposit{
    function deposit(uint256, bool) external;
    function lockIncentive() external view returns(uint256);
}

interface IRewardFactory{
    function setAccess(address,bool) external;
    function CreateCrvRewards(uint256,address,address) external returns(address);
    function CreateTokenRewards(address,address,address) external returns(address);
    function activeRewardCount(address) external view returns(uint256);
    function addActiveReward(address,uint256) external returns(bool);
    function removeActiveReward(address,uint256) external returns(bool);
}

interface IStashFactory{
    function CreateStash(uint256,address,address,uint256) external returns(address);
    function setImplementation(address, address, address) external;
}

interface ITokenFactory{
    function CreateDepositToken(address) external returns(address);
}

interface IPools{
    function addPool(address _lptoken, address _gauge, uint256 _stashVersion) external returns(bool);
    function forceAddPool(address _lptoken, address _gauge, uint256 _stashVersion) external returns(bool);
    function shutdownPool(uint256 _pid) external returns(bool);
    function poolInfo(uint256) external view returns(address,address,address,address,address,bool);
    function poolLength() external view returns (uint256);
    function gaugeMap(address) external view returns(bool);
    function setPoolManager(address _poolM) external;
    function shutdownSystem() external;
    function setUsedAddress(address[] memory) external;
}

interface IVestedEscrow{
    function fund(address[] calldata _recipient, uint256[] calldata _amount) external returns(bool);
}

interface IRewardDeposit {
    function addReward(address, uint256) external;
}

interface ILocker {
    function lock(address _account, uint256 _amount) external;
    function checkpointEpoch() external;
    function epochCount() external view returns (uint256);
    function balanceAtEpochOf(uint256 _epoch, address _user) external view returns (uint256 amount);
    function totalSupplyAtEpoch(uint256 _epoch) external view returns (uint256 supply);
    function queueNewRewards(address _rewardsToken, uint256 reward) external;
    function getReward(address _account, bool _stake) external;
    function getReward(address _account) external;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.6.12;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library MathUtil {
    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        uint256 c = a + b;
        if (c < a) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the substraction of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b > a) return (false, 0);
        return (true, a - b);
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) return (true, 0);
        uint256 c = a * b;
        if (c / a != b) return (false, 0);
        return (true, c);
    }

    /**
     * @dev Returns the division of two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a / b);
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
     *
     * _Available since v3.4._
     */
    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        if (b == 0) return (false, 0);
        return (true, a % b);
    }

    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) return 0;
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: modulo by zero");
        return a % b;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {trySub}.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        return a - b;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryDiv}.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting with custom message when dividing by zero.
     *
     * CAUTION: This function is deprecated because it requires allocating memory for the error
     * message unnecessarily. For custom revert reasons use {tryMod}.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        return a % b;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @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 `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, 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 `sender` to `recipient` 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 sender, address recipient, uint256 amount) external returns (bool);

    /**
     * @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);
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.2 <0.8.0;

/**
 * @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
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 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");

        // solhint-disable-next-line avoid-low-level-calls, avoid-call-value
        (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 functionCall(target, data, "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");
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(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) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(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) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) {
            return returndata;
        } else {
            // 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

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "./IERC20.sol";
import "../../math/SafeMath.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 SafeMath for uint256;
    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'
        // solhint-disable-next-line max-line-length
        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).add(value);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

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

    /**
     * @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
            // solhint-disable-next-line max-line-length
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"deposit_","type":"address"},{"internalType":"address","name":"reward_","type":"address"},{"internalType":"address","name":"op_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"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":"reward","type":"uint256"}],"name":"RewardPaid","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Staked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdrawn","type":"event"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"currentRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"deposits","outputs":[{"internalType":"contract IDeposit","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"duration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"earned","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"epochRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"getReward","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"historicalRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"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":[],"name":"newRewardRatio","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"operator","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"periodFinish","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_rewards","type":"uint256"}],"name":"queueNewRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"queuedRewards","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":"_account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"stake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"userRewardPerTokenPaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

60e060405260008055600060015560006004556000600555600060065534801561002857600080fd5b506040516111fe3803806111fe8339818101604052606081101561004b57600080fd5b50805160208201516040909201516001600160601b0319606092831b811660805292821b831660a052901b1660c05260805160601c60a05160601c60c05160601c6111316100cd600039806104d452806105015250806108bd5280610a9552508061040252806104935280610657528061078b52806109ef52506111316000f3fe608060405234801561001057600080fd5b50600436106101725760003560e01c806370a08231116100de578063c00007b011610097578063df136d6511610071578063df136d6514610333578063ebe2b12b1461033b578063f3fef3a314610343578063f7c618c11461036f57610172565b8063c00007b0146102fd578063c8f33c9114610323578063cd3daf9d1461032b57610172565b806370a082311461026d5780637b0a47ee1461029357806380faa57d1461029b5780638b876347146102a3578063901a7d53146102c9578063adc9772e146102d157610172565b80633d18b912116101305780633d18b912146102115780634dc47d341461021b578063570ca73514610238578063590a41f51461024057806363d38c3b1461025d5780636c8bcee81461026557610172565b80628cc262146101775780630700037d146101af5780630fb5a6b4146101d557806318160ddd146101dd578063262d3d6d146101e5578063323a5e0b146101ed575b600080fd5b61019d6004803603602081101561018d57600080fd5b50356001600160a01b0316610377565b60408051918252519081900360200190f35b61019d600480360360208110156101c557600080fd5b50356001600160a01b03166103e5565b61019d6103f7565b61019d6103fe565b61019d61048b565b6101f5610491565b604080516001600160a01b039092168252519081900360200190f35b6102196104b5565b005b61019d6004803603602081101561023157600080fd5b50356104c0565b6101f56104d2565b6102196004803603602081101561025657600080fd5b50356104f6565b61019d610647565b61019d61064d565b61019d6004803603602081101561028357600080fd5b50356001600160a01b0316610653565b61019d6106f4565b61019d6106fa565b61019d600480360360208110156102b957600080fd5b50356001600160a01b031661070d565b61019d61071f565b610219600480360360408110156102e757600080fd5b506001600160a01b038135169060200135610725565b6102196004803603602081101561031357600080fd5b50356001600160a01b031661082f565b61019d610929565b61019d61092f565b61019d61097d565b61019d610983565b6102196004803603604081101561035957600080fd5b506001600160a01b038135169060200135610989565b6101f5610a93565b6001600160a01b03811660009081526008602090815260408083205460079092528220546103df91906103d990670de0b6b3a7640000906103d3906103c4906103be61092f565b90610ab7565b6103cd88610653565b90610b14565b90610b74565b90610bdb565b92915050565b60086020526000908152604090205481565b62093a8081565b60007f00000000000000000000000000000000000000000000000000000000000000006001600160a01b03166318160ddd6040518163ffffffff1660e01b815260040160206040518083038186803b15801561045957600080fd5b505afa15801561046d573d6000803e3d6000fd5b505050506040513d602081101561048357600080fd5b505190505b90565b60065481565b7f000000000000000000000000000000000000000000000000000000000000000081565b6104be3361082f565b565b60096020526000908152604090205481565b7f000000000000000000000000000000000000000000000000000000000000000081565b336001600160a01b037f00000000000000000000000000000000000000000000000000000000000000001614610561576040805162461bcd60e51b815260206004820152600b60248201526a08585d5d1a1bdc9a5e995960aa1b604482015290519081900360640190fd5b60006105704262093a80610b74565b60008181526009602052604090205490915061058c9083610bdb565b60008281526009602052604090208190556c7e37be2022c0914b268000000010156105b75750610644565b6004546105c5908390610bdb565b915060005442106105e4576105d982610c35565b506000600455610644565b60008054610600906105f99062093a80610ab7565b4290610ab7565b6001549091508102600061061a856103d3846103e8610b14565b905061033e8110156106395761062f85610c35565b600060045561063f565b60048590555b505050505b50565b60045481565b61033e81565b60007f00000000000000000000000000000000000000000000000000000000000000006001600160a01b03166370a08231836040518263ffffffff1660e01b815260040180826001600160a01b0316815260200191505060206040518083038186803b1580156106c257600080fd5b505afa1580156106d6573d6000803e3d6000fd5b505050506040513d60208110156106ec57600080fd5b505192915050565b60015481565b600061070842600054610d59565b905090565b60076020526000908152604090205481565b60055481565b8161072e61092f565b6003556107396106fa565b6002556001600160a01b038116156107805761075481610377565b6001600160a01b0382166000908152600860209081526040808320939093556003546007909152919020555b336001600160a01b037f000000000000000000000000000000000000000000000000000000000000000016146107eb576040805162461bcd60e51b815260206004820152600b60248201526a08585d5d1a1bdc9a5e995960aa1b604482015290519081900360640190fd5b6040805183815290516001600160a01b038516917f9e71bc8eea02a63969f509818f2dafb9254532904319f9dbda79b67bd34a5f3d919081900360200190a2505050565b8061083861092f565b6003556108436106fa565b6002556001600160a01b0381161561088a5761085e81610377565b6001600160a01b0382166000908152600860209081526040808320939093556003546007909152919020555b600061089583610377565b90508015610924576001600160a01b038084166000908152600860205260408120556108e4907f0000000000000000000000000000000000000000000000000000000000000000168483610d6f565b6040805182815290516001600160a01b038516917fe2403640ba68fed3a2f88b7557551d1993f84b99bb10ff833f0cf8db0c5e0486919081900360200190a25b505050565b60025481565b60006109396103fe565b6109465750600354610488565b6107086109746109546103fe565b6103d3670de0b6b3a76400006103cd6001546103cd6002546103be6106fa565b60035490610bdb565b60035481565b60005481565b8161099261092f565b60035561099d6106fa565b6002556001600160a01b038116156109e4576109b881610377565b6001600160a01b0382166000908152600860209081526040808320939093556003546007909152919020555b336001600160a01b037f00000000000000000000000000000000000000000000000000000000000000001614610a4f576040805162461bcd60e51b815260206004820152600b60248201526a08585d5d1a1bdc9a5e995960aa1b604482015290519081900360640190fd5b6040805183815290516001600160a01b038516917f7084f5476618d8e60b11ef0d7d3f06914655adb8793e28ff7f018d4c76d505d5919081900360200190a2505050565b7f000000000000000000000000000000000000000000000000000000000000000081565b600082821115610b0e576040805162461bcd60e51b815260206004820152601e60248201527f536166654d6174683a207375627472616374696f6e206f766572666c6f770000604482015290519081900360640190fd5b50900390565b600082610b23575060006103df565b82820282848281610b3057fe5b0414610b6d5760405162461bcd60e51b81526004018080602001828103825260218152602001806110b16021913960400191505060405180910390fd5b9392505050565b6000808211610bca576040805162461bcd60e51b815260206004820152601a60248201527f536166654d6174683a206469766973696f6e206279207a65726f000000000000604482015290519081900360640190fd5b818381610bd357fe5b049392505050565b600082820183811015610b6d576040805162461bcd60e51b815260206004820152601b60248201527f536166654d6174683a206164646974696f6e206f766572666c6f770000000000604482015290519081900360640190fd5b6000610c3f61092f565b600355610c4a6106fa565b6002556001600160a01b03811615610c9157610c6581610377565b6001600160a01b0382166000908152600860209081526040808320939093556003546007909152919020555b600654610c9e9083610bdb565b6006556000544210610cbf57610cb78262093a80610b74565b600155610d07565b60008054610ccd9042610ab7565b90506000610ce660015483610b1490919063ffffffff16565b9050610cf28482610bdb565b9350610d018462093a80610b74565b60015550505b6005829055426002819055610d1f9062093a80610bdb565b6000556040805183815290517fde88a922e0d3b88b24e9623efeb464919c6bf9f66857a65e2bfcf2ce87a9433d9181900360200190a15050565b6000818310610d685781610b6d565b5090919050565b604080516001600160a01b038416602482015260448082018490528251808303909101815260649091019091526020810180516001600160e01b031663a9059cbb60e01b1790526109249084906060610e11826040518060400160405280602081526020017f5361666545524332303a206c6f772d6c6576656c2063616c6c206661696c6564815250856001600160a01b0316610e6d9092919063ffffffff16565b80519091501561092457808060200190516020811015610e3057600080fd5b50516109245760405162461bcd60e51b815260040180806020018281038252602a8152602001806110d2602a913960400191505060405180910390fd5b6060610e7c8484600085610e84565b949350505050565b606082471015610ec55760405162461bcd60e51b815260040180806020018281038252602681526020018061108b6026913960400191505060405180910390fd5b610ece85610fe0565b610f1f576040805162461bcd60e51b815260206004820152601d60248201527f416464726573733a2063616c6c20746f206e6f6e2d636f6e7472616374000000604482015290519081900360640190fd5b60006060866001600160a01b031685876040518082805190602001908083835b60208310610f5e5780518252601f199092019160209182019101610f3f565b6001836020036101000a03801982511681845116808217855250505050505090500191505060006040518083038185875af1925050503d8060008114610fc0576040519150601f19603f3d011682016040523d82523d6000602084013e610fc5565b606091505b5091509150610fd5828286610fe6565b979650505050505050565b3b151590565b60608315610ff5575081610b6d565b8251156110055782518084602001fd5b8160405162461bcd60e51b81526004018080602001828103825283818151815260200191508051906020019080838360005b8381101561104f578181015183820152602001611037565b50505050905090810190601f16801561107c5780820380516001836020036101000a031916815260200191505b509250505060405180910390fdfe416464726573733a20696e73756666696369656e742062616c616e636520666f722063616c6c536166654d6174683a206d756c7469706c69636174696f6e206f766572666c6f775361666545524332303a204552433230206f7065726174696f6e20646964206e6f742073756363656564a26469706673582212207c8354f87ef1a0d5ad26cb152a4ac12e2958a4a53351acb4bad827138957f1bf64736f6c634300060c00330000000000000000000000007ea6930a9487ce8d039f7cc89432435e6d5acb23000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2000000000000000000000000631e58246a88c3957763e1469cb52f93bc1ddcf2

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

0000000000000000000000007ea6930a9487ce8d039f7cc89432435e6d5acb23000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2000000000000000000000000631e58246a88c3957763e1469cb52f93bc1ddcf2

-----Decoded View---------------
Arg [0] : deposit_ (address): 0x7Ea6930a9487ce8d039f7cC89432435E6D5AcB23
Arg [1] : reward_ (address): 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2
Arg [2] : op_ (address): 0x631e58246A88c3957763e1469cb52f93BC1dDCF2

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 0000000000000000000000007ea6930a9487ce8d039f7cc89432435e6d5acb23
Arg [1] : 000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2
Arg [2] : 000000000000000000000000631e58246a88c3957763e1469cb52f93bc1ddcf2