ETH Price: $2,468.04 (-2.20%)

Contract

0x226f9954A1221cDe805C76CfB312A5d761630E14
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

Token Holdings

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Get Reward173290702023-05-24 12:33:35465 days ago1684931615IN
0x226f9954...761630E14
0 ETH0.0025863342.06102241
Get Reward162233282022-12-20 3:50:23621 days ago1671508223IN
0x226f9954...761630E14
0 ETH0.0010680616.61328944
Get Reward160913682022-12-01 17:12:23639 days ago1669914743IN
0x226f9954...761630E14
0 ETH0.0019146523.52440903
Get Reward158578362022-10-30 2:17:47672 days ago1667096267IN
0x226f9954...761630E14
0 ETH0.000348087.74285735
Get Reward158578342022-10-30 2:17:23672 days ago1667096243IN
0x226f9954...761630E14
0 ETH0.00059448.61153114
Get Reward152887632022-08-06 12:36:38756 days ago1659789398IN
0x226f9954...761630E14
0 ETH0.000452655.42231012
Get Reward151338492022-07-13 10:49:23780 days ago1657709363IN
0x226f9954...761630E14
0 ETH0.0012512818.12825821
Exit149655202022-06-15 4:05:46809 days ago1655265946IN
0x226f9954...761630E14
0 ETH0.0043853634.82109948
Get Reward149288662022-06-08 21:10:19815 days ago1654722619IN
0x226f9954...761630E14
0 ETH0.0065048894.24091375
Exit148649692022-05-29 6:31:10825 days ago1653805870IN
0x226f9954...761630E14
0 ETH0.002358518.72723084
Get Reward148376972022-05-24 20:12:11830 days ago1653423131IN
0x226f9954...761630E14
0 ETH0.0017672627.48892073
Exit144768042022-03-28 20:28:33887 days ago1648499313IN
0x226f9954...761630E14
0 ETH0.0072846266.92970894
Exit143761502022-03-13 4:09:21903 days ago1647144561IN
0x226f9954...761630E14
0 ETH0.002160624.71574218
Get Reward143501192022-03-09 3:11:53907 days ago1646795513IN
0x226f9954...761630E14
0 ETH0.0024578838.23120297
Get Reward142766582022-02-25 17:39:58918 days ago1645810798IN
0x226f9954...761630E14
0 ETH0.0028318444.04801071
Exit141589252022-02-07 12:33:01936 days ago1644237181IN
0x226f9954...761630E14
0 ETH0.0037734643.16579236
Exit140726192022-01-25 4:26:39950 days ago1643084799IN
0x226f9954...761630E14
0 ETH0.010968100.77181127
Exit140490092022-01-21 12:49:57953 days ago1642769397IN
0x226f9954...761630E14
0 ETH0.01440745164.81102421
Exit140040342022-01-14 14:02:37960 days ago1642168957IN
0x226f9954...761630E14
0 ETH0.03740875297.03628952
Exit139068052021-12-30 12:55:55975 days ago1640868955IN
0x226f9954...761630E14
0 ETH0.0111953788.89450391
Get Reward138793462021-12-26 7:03:50979 days ago1640502230IN
0x226f9954...761630E14
0 ETH0.0022675336.87640268
Get Reward138549702021-12-22 12:21:25983 days ago1640175685IN
0x226f9954...761630E14
0 ETH0.0027578642.8971886
Get Reward138539912021-12-22 8:42:41983 days ago1640162561IN
0x226f9954...761630E14
0 ETH0.0035850245.61681122
Get Reward138484472021-12-21 12:12:21984 days ago1640088741IN
0x226f9954...761630E14
0 ETH0.0038307147.06621167
Get Reward138007832021-12-14 2:52:04992 days ago1639450324IN
0x226f9954...761630E14
0 ETH0.0079436697.6
View all transactions

View more zero value Internal Transactions in Advanced View mode

Advanced mode:
Loading...
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
Rewards

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license
File 1 of 9 : Rewards.sol
// SPDX-License-Identifier: MIT
// solhint-disable reason-string
// solhint-disable not-rely-on-time
/**
 * This contract has been modified with:
 * - generalized for any reward token, staking token, and duration
 * - upgraded to Solidity 6
 * - support ERC677 transferAndCall
 * <3 Synthetix
 */


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

* Synthetix: CurveRewards.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
*/

pragma solidity 0.6.12;

import "@openzeppelin/contracts/math/Math.sol";
import "@openzeppelin/contracts/math/SafeMath.sol";
import "@openzeppelin/contracts/utils/Address.sol";
import "@openzeppelin/contracts/token/ERC20/SafeERC20.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/access/Ownable.sol";

import "../vendor/LinkToken/token/ERC677Receiver.sol";

abstract contract IRewardDistributionRecipient is Ownable {
    address public rewardDistribution;

    function notifyRewardAmount(uint256 reward) external virtual;

    modifier onlyRewardDistribution() {
        require(_msgSender() == rewardDistribution, "Caller is not reward distribution");
        _;
    }

    function setRewardDistribution(address _rewardDistribution)
        external
        onlyOwner
    {
        rewardDistribution = _rewardDistribution;
    }
}

contract LPTokenWrapper {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;

    IERC20 public immutable stakingToken;

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

    constructor(
        address _stakingToken
    )
        public
    {
        stakingToken = IERC20(_stakingToken);
    }

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

    function balanceOf(address account) public view returns (uint256) {
        return _balances[account];
    }

    function stake(uint256 amount) public virtual {
        _totalSupply = _totalSupply.add(amount);
        _balances[msg.sender] = _balances[msg.sender].add(amount);
        stakingToken.safeTransferFrom(msg.sender, address(this), amount);
    }

    function stakeFor(address account, uint256 amount) internal {
        _totalSupply = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        // we don't transferFrom here because this is only triggered
        // when tokens have already been received
    }

    function withdraw(uint256 amount) public virtual {
        _totalSupply = _totalSupply.sub(amount);
        _balances[msg.sender] = _balances[msg.sender].sub(amount);
        stakingToken.safeTransfer(msg.sender, amount);
    }
}

contract Rewards is LPTokenWrapper, IRewardDistributionRecipient, ERC677Receiver {
    IERC20 public immutable rewardToken;
    uint256 public immutable duration;

    uint256 public periodFinish = 0;
    uint256 public rewardRate = 0;
    uint256 public lastUpdateTime;
    uint256 public rewardPerTokenStored;
    mapping(address => uint256) public userRewardPerTokenPaid;
    mapping(address => uint256) public rewards;

    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);

    constructor(
        address _rewardToken,
        address _stakingToken,
        uint256 _duration
    )
        public
        LPTokenWrapper(_stakingToken)
    {
        rewardToken = IERC20(_rewardToken);
        duration = _duration;
    }

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

    function onTokenTransfer(address sender, uint256 amount, bytes memory)
        public override updateReward(sender)
    {
        require(msg.sender == address(stakingToken), "!stakingToken");
        super.stakeFor(sender, amount);
        emit Staked(sender, amount);
    }

    function lastTimeRewardApplicable() public view returns (uint256) {
        return Math.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]);
    }

    // stake visibility is public as overriding LPTokenWrapper's stake() function
    function stake(uint256 amount) public override updateReward(msg.sender) {
        require(amount > 0, "Cannot stake 0");
        super.stake(amount);
        emit Staked(msg.sender, amount);
    }

    function withdraw(uint256 amount) public override updateReward(msg.sender) {
        require(amount > 0, "Cannot withdraw 0");
        super.withdraw(amount);
        emit Withdrawn(msg.sender, amount);
    }

    function exit() external {
        withdraw(balanceOf(msg.sender));
        getReward();
    }

    function getReward() public updateReward(msg.sender) {
        uint256 reward = earned(msg.sender);
        if (reward > 0) {
            rewards[msg.sender] = 0;
            rewardToken.safeTransfer(msg.sender, reward);
            emit RewardPaid(msg.sender, reward);
        }
    }

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

File 2 of 9 : Context.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <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 GSN 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 payable) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

File 3 of 9 : Ownable.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../GSN/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 () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        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 {
        emit OwnershipTransferred(_owner, address(0));
        _owner = 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");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

File 4 of 9 : Math.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a >= b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow, so we distribute
        return (a / 2) + (b / 2) + ((a % 2 + b % 2) / 2);
    }
}

File 5 of 9 : SafeMath.sol
// 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, 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) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * 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);
        uint256 c = a - b;

        return c;
    }

    /**
     * @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) {
        // 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 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts 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) {
        return div(a, b, "SafeMath: division by zero");
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts with custom message 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, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts 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) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts with custom message 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, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}

File 6 of 9 : IERC20.sol
// 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);
}

File 7 of 9 : SafeERC20.sol
// 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");
        }
    }
}

File 8 of 9 : Address.sol
// 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);
    }

    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);
            }
        }
    }
}

File 9 of 9 : ERC677Receiver.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.6.0;

abstract contract ERC677Receiver {
  function onTokenTransfer(address _sender, uint _value, bytes memory _data) public virtual;
}

Settings
{
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_rewardToken","type":"address"},{"internalType":"address","name":"_stakingToken","type":"address"},{"internalType":"uint256","name":"_duration","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"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":"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":"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":[],"name":"exit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"getReward","outputs":[],"stateMutability":"nonpayable","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":"uint256","name":"reward","type":"uint256"}],"name":"notifyRewardAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"","type":"bytes"}],"name":"onTokenTransfer","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":"rewardDistribution","outputs":[{"internalType":"address","name":"","type":"address"}],"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":"_rewardDistribution","type":"address"}],"name":"setRewardDistribution","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"stake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stakingToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","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"}]

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

Deployed Bytecode

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

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

0000000000000000000000000ada190c81b814548ddc2f6adc4a689ce7c1fe73000000000000000000000000bfbec72f2450ef9ab742e4a27441fa06ca79ea6a00000000000000000000000000000000000000000000000000000000006ebe00

-----Decoded View---------------
Arg [0] : _rewardToken (address): 0x0adA190c81b814548ddC2F6AdC4a689ce7C1FE73
Arg [1] : _stakingToken (address): 0xBFbEC72F2450eF9Ab742e4A27441Fa06Ca79eA6a
Arg [2] : _duration (uint256): 7257600

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 0000000000000000000000000ada190c81b814548ddc2f6adc4a689ce7c1fe73
Arg [1] : 000000000000000000000000bfbec72f2450ef9ab742e4a27441fa06ca79ea6a
Arg [2] : 00000000000000000000000000000000000000000000000000000000006ebe00


Block Transaction Difficulty Gas Used Reward
View All Blocks Produced

Block Uncle Number Difficulty Gas Used Reward
View All Uncles
Loading...
Loading
Loading...
Loading

Validator Index Block Amount
View All Withdrawals

Transaction Hash Block Value Eth2 PubKey Valid
View All Deposits
Loading...
Loading
[ Download: CSV Export  ]

A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.