Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

• interface IERC20
•    - function totalSupply()
•    - function balanceOf(address account)
•    - function transfer(address recipient, ...
•    - function allowance(address owner, add ...
•    - function approve(address spender, uin ...
•    - function transferFrom(address sender, ...
•  contract Ownable
•    - function owner()
•    - function isOwner()
•    - function renounceOwnership()
•    - function transferOwnership(address ne ...
•    - function _transferOwnership(address n ...
• library Math
•    - function max(uint256 a, uint256 b)
•    - function min(uint256 a, uint256 b)
•    - function average(uint256 a, uint256 b ...
• library SafeMath
•    - function add(uint256 a, uint256 b)
•    - function sub(uint256 a, uint256 b)
•    - function mul(uint256 a, uint256 b)
•    - function div(uint256 a, uint256 b)
•    - function mod(uint256 a, uint256 b)
•  contract ERC20Detailed is IERC20
•    - function name()
•    - function symbol()
•    - function decimals()
• library Address
•    - function isContract(address account)
• library SafeERC20
•    - function safeTransfer(IERC20 token, a ...
•    - function safeTransferFrom(IERC20 toke ...
•    - function safeApprove(IERC20 token, ad ...
•    - function safeIncreaseAllowance(IERC20 ...
•    - function safeDecreaseAllowance(IERC20 ...
•    - function callOptionalReturn(IERC20 to ...
•  contract ReentrancyGuard
• interface IStakingRewards
•    - function lastTimeRewardApplicable()
•    - function rewardPerToken()
•    - function earned(address account)
•    - function getRewardForDuration()
•    - function totalSupply()
•    - function balanceOf(address account)
•    - function stake(uint256 amount)
•    - function withdraw(uint256 amount)
•    - function getReward()
•    - function exit()
•  contract RewardsDistributionRecipi ...
•    - function notifyRewardAmount(uint256 r ...
•  contract StakingRewards is IStakin ... *
•    - function totalSupply()
•    - function balanceOf(address account)
•    - function lastTimeRewardApplicable()
•    - function rewardPerToken()
•    - function earned(address account)
•    - function getRewardForDuration()
•    - function stake(uint256 amount)
•    - function withdraw(uint256 amount)
•    - function getReward()
•    - function exit()
•    - function notifyRewardAmount(uint256 r ...
•  contract StakingRewardsFactory is ... *
•    - function deploy(address stakingToken, ...
•    - function notifyRewardAmounts()
•    - function notifyRewardAmount(address s ...

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2021-06-04
*/

/**
 *Submitted for verification at Etherscan.io on 2021-05-29
*/

/**
 *Submitted for verification at Etherscan.io on 2021-03-08
*/

// File: openzeppelin-solidity-2.3.0/contracts/token/ERC20/IERC20.sol

pragma solidity ^0.5.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP. Does not include
 * the optional functions; to access them see `ERC20Detailed`.
 */
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.
     *
     * > 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: openzeppelin-solidity-2.3.0/contracts/ownership/Ownable.sol

pragma solidity ^0.5.0;

/**
 * @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.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be aplied to your functions to restrict their use to
 * the owner.
 */
contract Ownable {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () internal {
        _owner = msg.sender;
        emit OwnershipTransferred(address(0), _owner);
    }

    /**
     * @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(isOwner(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Returns true if the caller is the current owner.
     */
    function isOwner() public view returns (bool) {
        return msg.sender == _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 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 onlyOwner {
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     */
    function _transferOwnership(address newOwner) internal {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

// File: openzeppelin-solidity-2.3.0/contracts/math/Math.sol

pragma solidity ^0.5.0;

/**
 * @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: openzeppelin-solidity-2.3.0/contracts/math/SafeMath.sol

pragma solidity ^0.5.0;

/**
 * @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) {
        require(b <= a, "SafeMath: subtraction overflow");
        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-solidity/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) {
        // Solidity only automatically asserts when dividing by 0
        require(b > 0, "SafeMath: division by zero");
        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) {
        require(b != 0, "SafeMath: modulo by zero");
        return a % b;
    }
}

// File: openzeppelin-solidity-2.3.0/contracts/token/ERC20/ERC20Detailed.sol

pragma solidity ^0.5.0;


/**
 * @dev Optional functions from the ERC20 standard.
 */
contract ERC20Detailed is IERC20 {
    string private _name;
    string private _symbol;
    uint8 private _decimals;

    /**
     * @dev Sets the values for `name`, `symbol`, and `decimals`. All three of
     * these values are immutable: they can only be set once during
     * construction.
     */
    constructor (string memory name, string memory symbol, uint8 decimals) public {
        _name = name;
        _symbol = symbol;
        _decimals = decimals;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5,05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei.
     *
     * > Note that this information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * `IERC20.balanceOf` and `IERC20.transfer`.
     */
    function decimals() public view returns (uint8) {
        return _decimals;
    }
}

// File: openzeppelin-solidity-2.3.0/contracts/utils/Address.sol

pragma solidity ^0.5.0;

/**
 * @dev Collection of functions related to the address type,
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * This test is non-exhaustive, and there may be false-negatives: during the
     * execution of a contract's constructor, its address will be reported as
     * not containing a contract.
     *
     * > It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     */
    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;
    }
}

// File: openzeppelin-solidity-2.3.0/contracts/token/ERC20/SafeERC20.sol

pragma solidity ^0.5.0;




/**
 * @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 ERC20;` 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));
    }

    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);
        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.

        // A Solidity high level call has three parts:
        //  1. The target address is checked to verify it contains contract code
        //  2. The call itself is made, and success asserted
        //  3. The return value is decoded, which in turn checks the size of the returned data.
        // solhint-disable-next-line max-line-length
        require(address(token).isContract(), "SafeERC20: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = address(token).call(data);
        require(success, "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: openzeppelin-solidity-2.3.0/contracts/utils/ReentrancyGuard.sol

pragma solidity ^0.5.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the `nonReentrant` modifier
 * available, which can be aplied 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.
 */
contract ReentrancyGuard {
    /// @dev counter to allow mutex lock with only one SSTORE operation
    uint256 private _guardCounter;

    constructor () internal {
        // The counter starts at one to prevent changing it from zero to a non-zero
        // value, which is a more expensive operation.
        _guardCounter = 1;
    }

    /**
     * @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() {
        _guardCounter += 1;
        uint256 localCounter = _guardCounter;
        _;
        require(localCounter == _guardCounter, "ReentrancyGuard: reentrant call");
    }
}

// File: contracts/interfaces/IStakingRewards.sol

pragma solidity >=0.4.24;


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

    function rewardPerToken() external view returns (uint256);

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

    function getRewardForDuration() external view returns (uint256);

    function totalSupply() 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;
}

// File: contracts/RewardsDistributionRecipient.sol

pragma solidity ^0.5.16;

contract RewardsDistributionRecipient {
    address public rewardsDistribution;

    function notifyRewardAmount(uint256 reward) external;

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

// File: contracts/StakingRewards.sol

pragma solidity ^0.5.16;






// Inheritance



contract StakingRewards is IStakingRewards, RewardsDistributionRecipient, ReentrancyGuard {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;

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

    IERC20 public rewardsToken;
    IERC20 public stakingToken;
    uint256 public periodFinish = 0;
    uint256 public rewardRate = 0;
    uint256 public rewardsDuration = 7 days;
    uint256 public lastUpdateTime;
    uint256 public rewardPerTokenStored;

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

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

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

    constructor(
        address _rewardsDistribution,
        address _rewardsToken,
        address _stakingToken
    ) public {
        rewardsToken = IERC20(_rewardsToken);
        stakingToken = IERC20(_stakingToken);
        rewardsDistribution = _rewardsDistribution;
    }

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

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

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

    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 _balances[account].mul(rewardPerToken().sub(userRewardPerTokenPaid[account])).div(1e18).add(rewards[account]);
    }

    function getRewardForDuration() external view returns (uint256) {
        return rewardRate.mul(rewardsDuration);
    }

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

    function stake(uint256 amount) external nonReentrant 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 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 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 {
        withdraw(_balances[msg.sender]);
        getReward();
    }

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

    function notifyRewardAmount(uint256 reward) external onlyRewardsDistribution updateReward(address(0)) {
        if (block.timestamp >= periodFinish) {
            rewardRate = reward.div(rewardsDuration);
        } else {
            uint256 remaining = periodFinish.sub(block.timestamp);
            uint256 leftover = remaining.mul(rewardRate);
            rewardRate = reward.add(leftover).div(rewardsDuration);
        }

        // 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.
        uint 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);
    }

    /* ========== 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);
}

// File: contracts/StakingRewardsFactory.sol

pragma solidity ^0.5.16;




contract StakingRewardsFactory is Ownable {
    // immutables
    address public rewardsToken;
    uint public stakingRewardsGenesis;

    // the staking tokens for which the rewards contract has been deployed
    address[] public stakingTokens;

    // info about rewards for a particular staking token
    struct StakingRewardsInfo {
        address stakingRewards;
        uint rewardAmount;
    }

    // rewards info by staking token
    mapping(address => StakingRewardsInfo) public stakingRewardsInfoByStakingToken;

    constructor(
        address _rewardsToken,
        uint _stakingRewardsGenesis
    ) Ownable() public {
        require(_stakingRewardsGenesis >= block.timestamp, 'StakingRewardsFactory::constructor: genesis too soon');

        rewardsToken = _rewardsToken;
        stakingRewardsGenesis = _stakingRewardsGenesis;
    }

    ///// permissioned functions

    // deploy a staking reward contract for the staking token, and store the reward amount
    // the reward will be distributed to the staking reward contract no sooner than the genesis
    function deploy(address stakingToken, uint rewardAmount) public onlyOwner {
        StakingRewardsInfo storage info = stakingRewardsInfoByStakingToken[stakingToken];
        require(info.stakingRewards == address(0), 'StakingRewardsFactory::deploy: already deployed');

        info.stakingRewards = address(new StakingRewards(/*_rewardsDistribution=*/ address(this), rewardsToken, stakingToken));
        info.rewardAmount = rewardAmount;
        stakingTokens.push(stakingToken);
    }

    ///// permissionless functions

    // call notifyRewardAmount for all staking tokens.
    function notifyRewardAmounts() public {
        require(stakingTokens.length > 0, 'StakingRewardsFactory::notifyRewardAmounts: called before any deploys');
        for (uint i = 0; i < stakingTokens.length; i++) {
            notifyRewardAmount(stakingTokens[i]);
        }
    }

    // notify reward amount for an individual staking token.
    // this is a fallback in case the notifyRewardAmounts costs too much gas to call for all contracts
    function notifyRewardAmount(address stakingToken) public {
        require(block.timestamp >= stakingRewardsGenesis, 'StakingRewardsFactory::notifyRewardAmount: not ready');

        StakingRewardsInfo storage info = stakingRewardsInfoByStakingToken[stakingToken];
        require(info.stakingRewards != address(0), 'StakingRewardsFactory::notifyRewardAmount: not deployed');

        if (info.rewardAmount > 0) {
            uint rewardAmount = info.rewardAmount;
            info.rewardAmount = 0;

            require(
                IERC20(rewardsToken).transfer(info.stakingRewards, rewardAmount),
                'StakingRewardsFactory::notifyRewardAmount: transfer failed'
            );
            StakingRewards(info.stakingRewards).notifyRewardAmount(rewardAmount);
        }
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_rewardsDistribution","type":"address"},{"internalType":"address","name":"_rewardsToken","type":"address"},{"internalType":"address","name":"_stakingToken","type":"address"}],"payable":false,"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"},{"constant":true,"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"earned","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"exit","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"getReward","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"getRewardForDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lastTimeRewardApplicable","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"lastUpdateTime","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"reward","type":"uint256"}],"name":"notifyRewardAmount","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"periodFinish","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"rewardPerToken","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"rewardPerTokenStored","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"rewardRate","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"rewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"rewardsDistribution","outputs":[{"internalType":"address","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"rewardsDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"rewardsToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"stake","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"stakingToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"userRewardPerTokenPaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdraw","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}]

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

00000000000000000000000068eadc093642fb377c01856e7dc5b5fee37bcbbe000000000000000000000000d23ac27148af6a2f339bd82d0e3cff380b5093de00000000000000000000000030045ad74f4475e82dcdc269952581ecb7cd2bad

-----Decoded View---------------
Arg [0] : _rewardsDistribution (address): 0x68EadC093642FB377c01856e7dC5b5FEe37bcbbe
Arg [1] : _rewardsToken (address): 0xD23Ac27148aF6A2f339BD82D0e3CFF380b5093de
Arg [2] : _stakingToken (address): 0x30045ad74f4475E82DcDC269952581ECb7CD2bAd

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 00000000000000000000000068eadc093642fb377c01856e7dc5b5fee37bcbbe
Arg [1] : 000000000000000000000000d23ac27148af6a2f339bd82d0e3cff380b5093de
Arg [2] : 00000000000000000000000030045ad74f4475e82dcdc269952581ecb7cd2bad

19400:5102:0:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;19400:5102:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;21164:198;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;21164:198:0;-1:-1:-1;;;;;21164:198:0;;:::i;:::-;;;;;;;;;;;;;;;;19946:42;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;19946:42:0;-1:-1:-1;;;;;19946:42:0;;:::i;20466:93::-;;;:::i;21370:121::-;;;:::i;21930:357::-;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;21930:357:0;;:::i;:::-;;19756:39;;;:::i;22771:1083::-;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;22771:1083:0;;:::i;22295:307::-;;;:::i;19034:34::-;;;:::i;:::-;;;;-1:-1:-1;;;;;19034:34:0;;;;;;;;;;;;;;20567:112;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;20567:112:0;-1:-1:-1;;;;;20567:112:0;;:::i;19649:26::-;;;:::i;19720:29::-;;;:::i;20687:131::-;;;:::i;19882:57::-;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;19882:57:0;-1:-1:-1;;;;;19882:57:0;;:::i;21553:369::-;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;21553:369:0;;:::i;19802:29::-;;;:::i;20826:330::-;;;:::i;19616:26::-;;;:::i;19838:35::-;;;:::i;22610:97::-;;;:::i;19682:31::-;;;:::i;21164:198::-;-1:-1:-1;;;;;21337:16:0;;21218:7;21337:16;;;:7;:16;;;;;;;;;21289:22;:31;;;;;;21245:109;;21337:16;21245:87;;21327:4;;21245:77;;21268:53;;:16;:14;:16::i;:::-;:20;:53;:20;:53;:::i;:::-;-1:-1:-1;;;;;21245:18:0;;;;;;:9;:18;;;;;;;:22;:77::i;:::-;:81;:87;:81;:87;:::i;:::-;:91;:109;:91;:109;:::i;:::-;21238:116;21164:198;-1:-1:-1;;21164:198:0:o;19946:42::-;;;;;;;;;;;;;:::o;20466:93::-;20539:12;;20466:93;;:::o;21370:121::-;21425:7;21452:31;21467:15;;21452:10;;:14;;:31;;;;:::i;:::-;21445:38;;21370:121;:::o;21930:357::-;18002:1;17985:18;;;;;;;;21997:10;23980:16;:14;:16::i;:::-;23957:20;:39;24024:26;:24;:26::i;:::-;24007:14;:43;-1:-1:-1;;;;;24065:21:0;;;24061:157;;24122:15;24129:7;24122:6;:15::i;:::-;-1:-1:-1;;;;;24103:16:0;;;;;;:7;:16;;;;;;;;:34;;;;24186:20;;24152:22;:31;;;;;;:54;24061:157;22037:1;22028:6;:10;22020:40;;;;;-1:-1:-1;;;22020:40:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;22086:12;;:24;;22103:6;22086:24;:16;:24;:::i;:::-;22071:12;:39;22155:10;22145:21;;;;:9;:21;;;;;;:33;;22171:6;22145:33;:25;:33;:::i;:::-;22131:10;22121:21;;;;:9;:21;;;;;:57;;;;22189:12;;:45;;-1:-1:-1;;;;;22189:12:0;;;;22227:6;22189:25;:45::i;:::-;22250:29;;;;;;;;22260:10;;22250:29;;;;;;;;;;18061:1;18097:13;;18081:12;:29;18073:73;;;;;-1:-1:-1;;;18073:73:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;21930:357;;:::o;19756:39::-;;;;:::o;22771:1083::-;19206:19;;-1:-1:-1;;;;;19206:19:0;19192:10;:33;19184:88;;;;-1:-1:-1;;;19184:88:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;22869:1;23980:16;:14;:16::i;:::-;23957:20;:39;24024:26;:24;:26::i;:::-;24007:14;:43;-1:-1:-1;;;;;24065:21:0;;;24061:157;;24122:15;24129:7;24122:6;:15::i;:::-;-1:-1:-1;;;;;24103:16:0;;;;;;:7;:16;;;;;;;;:34;;;;24186:20;;24152:22;:31;;;;;;:54;24061:157;22907:12;;22888:15;:31;22884:318;;22960:15;;22949:27;;:6;;:27;:10;:27;:::i;:::-;22936:10;:40;22884:318;;;23029:12;;23009:17;;23029:33;;23046:15;23029:33;:16;:33;:::i;:::-;23009:53;;23077:16;23096:25;23110:10;;23096:9;:13;;:25;;;;:::i;:::-;23174:15;;23077:44;;-1:-1:-1;23149:41:0;;:20;:6;23077:44;23149:20;:10;:20;:::i;:41::-;23136:10;:54;-1:-1:-1;;22884:318:0;23577:12;;:37;;;;;;23608:4;23577:37;;;;;;-1:-1:-1;;;;;;;23577:12:0;;:22;;:37;;;;;;;;;;;;;;:12;:37;;;5:2:-1;;;;30:1;27;20:12;5:2;23577:37:0;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;23577:37:0;;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;23577:37:0;23659:15;;23577:37;;-1:-1:-1;23647:28:0;;23577:37;;23647:28;:11;:28;:::i;:::-;23633:10;;:42;;23625:79;;;;;-1:-1:-1;;;23625:79:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;23734:15;23717:14;:32;;;23795:15;;23775:36;;23734:15;23775:36;:19;:36;:::i;:::-;23760:12;:51;23827:19;;;;;;;;;;;;;;;;;24228:1;19283;22771:1083;:::o;22295:307::-;18002:1;17985:18;;;;;;;;22349:10;23980:16;:14;:16::i;:::-;23957:20;:39;24024:26;:24;:26::i;:::-;24007:14;:43;-1:-1:-1;;;;;24065:21:0;;;24061:157;;24122:15;24129:7;24122:6;:15::i;:::-;-1:-1:-1;;;;;24103:16:0;;;;;;:7;:16;;;;;;;;:34;;;;24186:20;;24152:22;:31;;;;;;:54;24061:157;22397:10;22372:14;22389:19;;;:7;:19;;;;;;22423:10;;22419:176;;22458:10;22472:1;22450:19;;;:7;:19;;;;;:23;22488:12;;:45;;-1:-1:-1;;;;;22488:12:0;;;;22526:6;22488:25;:45::i;:::-;22553:30;;;;;;;;22564:10;;22553:30;;;;;;;;;;22419:176;24228:1;18061;18097:13;;18081:12;:29;18073:73;;;;;-1:-1:-1;;;18073:73:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;22295:307;:::o;19034:34::-;;;-1:-1:-1;;;;;19034:34:0;;:::o;20567:112::-;-1:-1:-1;;;;;20653:18:0;20626:7;20653:18;;;:9;:18;;;;;;;20567:112::o;19649:26::-;;;-1:-1:-1;;;;;19649:26:0;;:::o;19720:29::-;;;;:::o;20687:131::-;20744:7;20771:39;20780:15;20797:12;;20771:8;:39::i;19882:57::-;;;;;;;;;;;;;:::o;21553:369::-;18002:1;17985:18;;;;;;;;21619:10;23980:16;:14;:16::i;:::-;23957:20;:39;24024:26;:24;:26::i;:::-;24007:14;:43;-1:-1:-1;;;;;24065:21:0;;;24061:157;;24122:15;24129:7;24122:6;:15::i;:::-;-1:-1:-1;;;;;24103:16:0;;;;;;:7;:16;;;;;;;;:34;;;;24186:20;;24152:22;:31;;;;;;:54;24061:157;21659:1;21650:6;:10;21642:37;;;;;-1:-1:-1;;;21642:37:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;21705:12;;:24;;21722:6;21705:24;:16;:24;:::i;:::-;21690:12;:39;21774:10;21764:21;;;;:9;:21;;;;;;:33;;21790:6;21764:33;:25;:33;:::i;:::-;21750:10;21740:21;;;;:9;:21;;;;;:57;;;;21808:12;;:64;;-1:-1:-1;;;;;21808:12:0;;;;21858:4;21865:6;21808:29;:64::i;:::-;21888:26;;;;;;;;21895:10;;21888:26;;;;;;;;;;18061:1;18097:13;;18081:12;:29;18073:73;;;;;-1:-1:-1;;;18073:73:0;;;;;;;;;;;;;;;;;;;;;;;;;;;19802:29;;;;:::o;20826:330::-;20873:7;20897:12;;20913:1;20897:17;20893:77;;;-1:-1:-1;20938:20:0;;20931:27;;20893:77;21000:148;21043:90;21120:12;;21043:72;21110:4;21043:62;21094:10;;21043:46;21074:14;;21043:26;:24;:26::i;:46::-;:50;:62;:50;:62;:::i;:90::-;21000:20;;;:148;:24;:148;:::i;19616:26::-;;;-1:-1:-1;;;;;19616:26:0;;:::o;19838:35::-;;;;:::o;22610:97::-;22665:10;22655:21;;;;:9;:21;;;;;;22646:31;;:8;:31::i;:::-;22688:11;:9;:11::i;:::-;22610:97::o;19682:31::-;;;;:::o;7743:184::-;7801:7;7834:1;7829;:6;;7821:49;;;;;-1:-1:-1;;;7821:49:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;7893:5:0;;;7743:184::o;8178:470::-;8236:7;8480:6;8476:47;;-1:-1:-1;8510:1:0;8503:8;;8476:47;8547:5;;;8551:1;8547;:5;:1;8571:5;;;;;:10;8563:56;;;;-1:-1:-1;;;8563:56:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;8639:1;8178:470;-1:-1:-1;;;8178:470:0:o;9116:333::-;9174:7;9273:1;9269;:5;9261:44;;;;;-1:-1:-1;;;9261:44:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;9316:9;9332:1;9328;:5;;;;;;;9116:333;-1:-1:-1;;;;9116:333:0:o;7287:181::-;7345:7;7377:5;;;7401:6;;;;7393:46;;;;;-1:-1:-1;;;7393:46:0;;;;;;;;;;;;;;;;;;;;;;;;;;;13461:176;13570:58;;;-1:-1:-1;;;;;13570:58:0;;;;;;;;;;;;;;;26:21:-1;;;22:32;;;6:49;;13570:58:0;;;;;;;;25:18:-1;;61:17;;13570:58:0;182:15:-1;13593:23:0;179:29:-1;160:49;;13544:85:0;;13563:5;;13544:18;:85::i;:::-;13461:176;;;:::o;5935:106::-;5993:7;6024:1;6020;:5;:13;;6032:1;6020:13;;;-1:-1:-1;6028:1:0;;6013:20;-1:-1:-1;5935:106:0:o;13645:204::-;13772:68;;;-1:-1:-1;;;;;13772:68:0;;;;;;;;;;;;;;;;;;;;;;26:21:-1;;;22:32;;;6:49;;13772:68:0;;;;;;;;25:18:-1;;61:17;;13772:68:0;182:15:-1;13795:27:0;179:29:-1;160:49;;13746:95:0;;13765:5;;13746:18;:95::i;:::-;13645:204;;;;:::o;15455:1114::-;16059:27;-1:-1:-1;;;;;16059:25:0;;;:27::i;:::-;16051:71;;;;;-1:-1:-1;;;16051:71:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;16196:12;16210:23;16245:5;-1:-1:-1;;;;;16237:19:0;16257:4;16237:25;;;;;;;;;;;;;36:153:-1;66:2;61:3;58:11;36:153;;176:10;;164:23;;-1:-1;;139:12;;;;98:2;89:12;;;;114;36:153;;;274:1;267:3;263:2;259:12;254:3;250:22;246:30;315:4;311:9;305:3;299:10;295:26;356:4;350:3;344:10;340:21;389:7;380;377:20;372:3;365:33;3:399;;;16237:25:0;;;;;;;;;;;;;;;;;;;;;;;;14:1:-1;21;16:31;;;;75:4;69:11;64:16;;144:4;140:9;133:4;115:16;111:27;107:43;104:1;100:51;94:4;87:65;169:16;166:1;159:27;225:16;222:1;215:4;212:1;208:12;193:49;7:242;;16:31;36:4;31:9;;7:242;;16195:67:0;;;;16281:7;16273:52;;;;;-1:-1:-1;;;16273:52:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;16342:17;;:21;16338:224;;16484:10;16473:30;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;16473:30:0;16465:85;;;;-1:-1:-1;;;16465:85:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;12365:422;12732:20;12771:8;;;12365:422::o

bzzr://52f7b49387150402c0b680044261604cbd0d36e6c092960f34eb86f97a4e3df1