Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2020-12-05
*/

pragma solidity 0.6.2;


// SPDX-License-Identifier: MIT
/**
 * @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);
    }
}

// SPDX-License-Identifier: MIT
/**
 * @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;
    }
}

// SPDX-License-Identifier: MIT
/**
 * @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
/**
 * @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 in 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");
        return _functionCallWithValue(target, data, value, errorMessage);
    }

    function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
        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
/**
 * @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");
        }
    }
}

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

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

    uint256 private _status;

    constructor () internal {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and make it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

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

        _;

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

interface IKiraStaking {
    // Views
    function lastTimeRewardApplicable() external view returns (uint256);

    function rewardPerToken() external view returns (uint256);

    function earned(address account) external view returns (uint256);

    function balanceOf(address account) external view returns (uint256);

    // Mutative

    function stake(uint256 amount) external;

    function withdraw(uint256 amount) external;

    function getReward() external;

    function exit() external;
}

contract Owned {
    address public owner;
    address public nominatedOwner;

    constructor(address _owner) public {
        require(_owner != address(0), 'Owner address cannot be 0');
        owner = _owner;
        emit OwnerChanged(address(0), _owner);
    }

    function nominateNewOwner(address _owner) external onlyOwner {
        nominatedOwner = _owner;
        emit OwnerNominated(_owner);
    }

    function acceptOwnership() external {
        require(msg.sender == nominatedOwner, 'You must be nominated before you can accept ownership');
        emit OwnerChanged(owner, nominatedOwner);
        owner = nominatedOwner;
        nominatedOwner = address(0);
    }

    modifier onlyOwner {
        _onlyOwner();
        _;
    }

    function _onlyOwner() private view {
        require(msg.sender == owner, 'Only the contract owner may perform this action');
    }

    event OwnerNominated(address newOwner);
    event OwnerChanged(address oldOwner, address newOwner);
}

// Inheritance
contract Pausable is Owned {
    uint256 public lastPauseTime;
    bool public paused;

    constructor(address _owner) internal Owned(_owner) {
        // This contract is abstract, and thus cannot be instantiated directly
        require(owner != address(0), 'Owner must be set');
        // Paused will be false, and lastPauseTime will be 0 upon initialisation
    }

    /**
     * @notice Change the paused state of the contract
     * @dev Only the contract owner may call this.
     */
    function setPaused(bool _paused) external onlyOwner {
        // Ensure we're actually changing the state before we do anything
        if (_paused == paused) {
            return;
        }

        // Set our paused state.
        paused = _paused;

        // If applicable, set the last pause time.
        if (paused) {
            lastPauseTime = now;
        }

        // Let everyone know that our pause state has changed.
        emit PauseChanged(paused);
    }

    event PauseChanged(bool isPaused);

    modifier notPaused {
        require(!paused, 'This action cannot be performed while the contract is paused');
        _;
    }
}

// Inheritance
contract KiraStaking is IKiraStaking, ReentrancyGuard, Pausable {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;

    /* ========== STATE VARIABLES ========== */

    uint256 public periodFinish;
    uint256 public rewardRate;
    uint256 public rewardsDuration;
    uint256 public lastUpdateTime;
    uint256 public rewardPerTokenStored;
    uint256 public lastBalance;
    uint256 public totalSupply;

    IERC20 public rewardsToken;
    IERC20 public stakingToken;

    mapping(address => uint256) private userRewardPerTokenPaid;
    mapping(address => uint256) private rewards;
    mapping(address => uint256) private _balances;

    /* ========== CONSTRUCTOR ========== */

    constructor(
        address _owner,
        address _rewardsToken,
        address _stakingToken
    ) public Pausable(_owner) {
        rewardsToken = IERC20(_rewardsToken);
        stakingToken = IERC20(_stakingToken);
    }

    /* ========== VIEWS ========== */

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

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

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

    /* ========== MUTATIVE FUNCTIONS ========== */

    function stake(uint256 amount) external override nonReentrant notPaused updateReward(msg.sender) {
        require(amount > 0, 'Cannot stake 0');
        totalSupply = totalSupply.add(amount);
        _balances[msg.sender] = _balances[msg.sender].add(amount);
        stakingToken.safeTransferFrom(msg.sender, address(this), amount);
        emit Staked(msg.sender, amount);
    }

    function withdraw(uint256 amount) public override nonReentrant updateReward(msg.sender) {
        require(amount > 0, 'Cannot withdraw 0');
        totalSupply = totalSupply.sub(amount);
        _balances[msg.sender] = _balances[msg.sender].sub(amount);
        stakingToken.safeTransfer(msg.sender, amount);
        emit Withdrawn(msg.sender, amount);
    }

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

    function exit() external override {
        withdraw(_balances[msg.sender]);
        getReward();
    }

    /* ========== RESTRICTED FUNCTIONS ========== */

    function notifyRewardAmount(uint256 reward) external onlyOwner updateReward(address(0)) {
        require(rewardRate > 0, 'Reward Rate is not yet set');
        if (block.timestamp >= periodFinish) {
            rewardsDuration = reward.div(rewardRate);
        } else {
            uint256 remaining = periodFinish.sub(block.timestamp);
            uint256 leftover = remaining.mul(rewardRate);
            rewardsDuration = reward.add(leftover).div(rewardRate);
        }

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

        lastUpdateTime = block.timestamp;
        periodFinish = block.timestamp.add(rewardsDuration);
        emit RewardAdded(reward);
    }

    function setRewardRate(uint256 rewardsPerInterval, uint256 interval) external onlyOwner {
        require(rewardsPerInterval > 0 && interval > 0, 'rewardsPerInterval and interval should be greater than 0');
        require(block.timestamp > periodFinish, 'Previous rewards period must be complete before changing the reward rate');
        rewardRate = rewardsPerInterval.div(interval);

        RewardRateUpdated(rewardsPerInterval, interval, rewardRate);
    }

    /* ========== MODIFIERS ========== */

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

    /* ========== EVENTS ========== */

    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);
    event RewardRateUpdated(uint256 rewardsPerInterval, uint256 interval, uint256 rewardRate);
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_owner","type":"address"},{"internalType":"address","name":"_rewardsToken","type":"address"},{"internalType":"address","name":"_stakingToken","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"oldOwner","type":"address"},{"indexed":false,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnerChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnerNominated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"isPaused","type":"bool"}],"name":"PauseChanged","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":false,"internalType":"uint256","name":"rewardsPerInterval","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"interval","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"rewardRate","type":"uint256"}],"name":"RewardRateUpdated","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":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"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":"lastBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lastPauseTime","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":[{"internalType":"address","name":"_owner","type":"address"}],"name":"nominateNewOwner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"nominatedOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"reward","type":"uint256"}],"name":"notifyRewardAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"periodFinish","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":"rewardsDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardsToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bool","name":"_paused","type":"bool"}],"name":"setPaused","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"rewardsPerInterval","type":"uint256"},{"internalType":"uint256","name":"interval","type":"uint256"}],"name":"setRewardRate","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":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

0000000000000000000000001c77d6a40f9a193857df146a849fb49d184460cb00000000000000000000000016980b3b4a3f9d89e33311b5aa8f80303e5ca4f80000000000000000000000001bfffb738d69167d5592160a47d5404a3cf5a846

-----Decoded View---------------
Arg [0] : _owner (address): 0x1C77d6A40f9a193857df146a849fB49D184460Cb
Arg [1] : _rewardsToken (address): 0x16980b3B4a3f9D89E33311B5aa8f80303E5ca4F8
Arg [2] : _stakingToken (address): 0x1BfffB738D69167D5592160A47D5404A3cF5a846

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 0000000000000000000000001c77d6a40f9a193857df146a849fb49d184460cb
Arg [1] : 00000000000000000000000016980b3b4a3f9d89e33311b5aa8f80303e5ca4f8
Arg [2] : 0000000000000000000000001bfffb738d69167d5592160a47d5404a3cf5a846