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
•  contract RewardsDistributionRecipi ...
•    - function notifyRewardAmount(uint256 r ...
• 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 StakingRewards is IStakin ... *
•    - function totalSupply()
•    - function balanceOf(address account)
•    - function lastTimeRewardApplicable()
•    - function rewardPerToken()
•    - function earned(address account)
•    - function getRewardForDuration()
•    - function stakeWithPermit(uint256 amou ...
•    - function stake(uint256 amount)
•    - function withdraw(uint256 amount)
•    - function getReward()
•    - function exit()
•    - function notifyRewardAmount(uint256 r ...
• interface IUniswapV2ERC20
•    - function permit(address owner, addres ...
•  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 2021-03-12
*/

/**
 *  @authors: []
 *  @reviewers: [@clesaege]
 *  @auditors: []
 *  @bounties: []
 *  @deployments: []
 *  @tools: []
 */
pragma solidity ^0.5.17;


/**
 * @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);
}


/**
 * @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;
    }
}


/**
 * @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);
    }
}


/**
 * @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;
    }
}

/**
 * @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;
    }
}


/**
 * @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;
    }
}


/**
 * @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");
        }
    }
}


/**
 * @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");
    }
}


contract RewardsDistributionRecipient {
    address public rewardsDistribution;

    function notifyRewardAmount(uint256 reward) external;

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

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;
}

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 = 365 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 stakeWithPermit(uint256 amount, uint deadline, uint8 v, bytes32 r, bytes32 s) external nonReentrant updateReward(msg.sender) {
        require(amount > 0, "Cannot stake 0");
        _totalSupply = _totalSupply.add(amount);
        _balances[msg.sender] = _balances[msg.sender].add(amount);

        // permit
        IUniswapV2ERC20(address(stakingToken)).permit(msg.sender, address(this), amount, deadline, v, r, s);

        stakingToken.safeTransferFrom(msg.sender, address(this), amount);
        emit Staked(msg.sender, amount);
    }

    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);
}

interface IUniswapV2ERC20 {
    function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
}



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]);
        }
    }

    // transfer tokens and notify reward amount for an individual staking token.
    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":false,"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"stakeWithPermit","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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

000000000000000000000000a27bfea336bc7058ff1297eeff2732389f8b208f000000000000000000000000dd1ad9a21ce722c151a836373babe42c868ce9a4000000000000000000000000ea7952fac7ff6e997d895c1566599b86b91444c0

-----Decoded View---------------
Arg [0] : _rewardsDistribution (address): 0xa27Bfea336Bc7058fF1297eEfF2732389F8b208f
Arg [1] : _rewardsToken (address): 0xDd1Ad9A21Ce722C151A836373baBe42c868cE9a4
Arg [2] : _stakingToken (address): 0xeA7952FAC7Ff6e997d895C1566599b86b91444C0

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 000000000000000000000000a27bfea336bc7058ff1297eeff2732389f8b208f
Arg [1] : 000000000000000000000000dd1ad9a21ce722c151a836373babe42c868ce9a4
Arg [2] : 000000000000000000000000ea7952fac7ff6e997d895c1566599b86b91444c0

18366:5670:0:-;;;;8:9:-1;5:2;;;30:1;27;20:12;5:2;18366:5670:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;20132:198;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;20132:198:0;-1:-1:-1;;;;;20132:198:0;;:::i;:::-;;;;;;;;;;;;;;;;18914:42;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;18914:42:0;-1:-1:-1;;;;;18914:42:0;;:::i;19434:93::-;;;:::i;20338:121::-;;;:::i;21464:357::-;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;21464:357:0;;:::i;:::-;;18722:41;;;:::i;22305:1083::-;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;22305:1083:0;;:::i;21829:307::-;;;:::i;17440:34::-;;;:::i;:::-;;;;-1:-1:-1;;;;;17440:34:0;;;;;;;;;;;;;;19535:112;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;19535:112:0;-1:-1:-1;;;;;19535:112:0;;:::i;18615:26::-;;;:::i;18686:29::-;;;:::i;19655:131::-;;;:::i;18850:57::-;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;18850:57:0;-1:-1:-1;;;;;18850:57:0;;:::i;21087:369::-;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;21087:369:0;;:::i;18770:29::-;;;:::i;19794:330::-;;;:::i;18582:26::-;;;:::i;18806:35::-;;;:::i;22144:97::-;;;:::i;18648:31::-;;;:::i;20521:558::-;;;;;;13:3:-1;8;5:12;2:2;;;30:1;27;20:12;2:2;-1:-1;20521:558:0;;;;;;;;;;;;;;;;;;;;;;;;:::i;20132:198::-;-1:-1:-1;;;;;20305:16:0;;20186:7;20305:16;;;:7;:16;;;;;;;;;20257:22;:31;;;;;;20213:109;;20305:16;20213:87;;20295:4;;20213:77;;20236:53;;:16;:14;:16::i;:::-;:20;:53;:20;:53;:::i;:::-;-1:-1:-1;;;;;20213:18:0;;;;;;:9;:18;;;;;;;:22;:77::i;:::-;:81;:87;:81;:87;:::i;:::-;:91;:109;:91;:109;:::i;:::-;20206:116;20132:198;-1:-1:-1;;20132:198:0:o;18914:42::-;;;;;;;;;;;;;:::o;19434:93::-;19507:12;;19434:93;;:::o;20338:121::-;20393:7;20420:31;20435:15;;20420:10;;:14;;:31;;;;:::i;:::-;20413:38;;20338:121;:::o;21464:357::-;17234:1;17217:18;;;;;;;;21531:10;23514:16;:14;:16::i;:::-;23491:20;:39;23558:26;:24;:26::i;:::-;23541:14;:43;-1:-1:-1;;;;;23599:21:0;;;23595:157;;23656:15;23663:7;23656:6;:15::i;:::-;-1:-1:-1;;;;;23637:16:0;;;;;;:7;:16;;;;;;;;:34;;;;23720:20;;23686:22;:31;;;;;;:54;23595:157;21571:1;21562:6;:10;21554:40;;;;;-1:-1:-1;;;21554:40:0;;;;;;;;;;;;-1:-1:-1;;;21554:40:0;;;;;;;;;;;;;;;21620:12;;:24;;21637:6;21620:24;:16;:24;:::i;:::-;21605:12;:39;21689:10;21679:21;;;;:9;:21;;;;;;:33;;21705:6;21679:33;:25;:33;:::i;:::-;21665:10;21655:21;;;;:9;:21;;;;;:57;;;;21723:12;;:45;;-1:-1:-1;;;;;21723:12:0;;;;21761:6;21723:25;:45::i;:::-;21784:29;;;;;;;;21794:10;;21784:29;;;;;;;;;;17293:1;17329:13;;17313:12;:29;17305:73;;;;;-1:-1:-1;;;17305:73:0;;;;;;;;;;;;-1:-1:-1;;;;;;;;;;;17305:73:0;;;;;;;;;;;;;;;21464:357;;:::o;18722:41::-;;;;:::o;22305:1083::-;17612:19;;-1:-1:-1;;;;;17612:19:0;17598:10;:33;17590:88;;;;-1:-1:-1;;;17590:88:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;22403:1;23514:16;:14;:16::i;:::-;23491:20;:39;23558:26;:24;:26::i;:::-;23541:14;:43;-1:-1:-1;;;;;23599:21:0;;;23595:157;;23656:15;23663:7;23656:6;:15::i;:::-;-1:-1:-1;;;;;23637:16:0;;;;;;:7;:16;;;;;;;;:34;;;;23720:20;;23686:22;:31;;;;;;:54;23595:157;22441:12;;22422:15;:31;22418:318;;22494:15;;22483:27;;:6;;:27;:10;:27;:::i;:::-;22470:10;:40;22418:318;;;22563:12;;22543:17;;22563:33;;22580:15;22563:33;:16;:33;:::i;:::-;22543:53;;22611:16;22630:25;22644:10;;22630:9;:13;;:25;;;;:::i;:::-;22708:15;;22611:44;;-1:-1:-1;22683:41:0;;:20;:6;22611:44;22683:20;:10;:20;:::i;:41::-;22670:10;:54;-1:-1:-1;;22418:318:0;23111:12;;:37;;;-1:-1:-1;;;23111:37:0;;23142:4;23111:37;;;;;;-1:-1:-1;;;;;;;23111:12:0;;-1:-1:-1;;23111:37:0;;;;;;;;;;;;;;:12;:37;;;5:2:-1;;;;30:1;27;20:12;5:2;23111:37:0;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;23111:37:0;;;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;23111:37:0;23193:15;;23111:37;;-1:-1:-1;23181:28:0;;23111:37;;23181:28;:11;:28;:::i;:::-;23167:10;;:42;;23159:79;;;;;-1:-1:-1;;;23159:79:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;23268:15;23251:14;:32;;;23329:15;;23309:36;;23268:15;23309:36;:19;:36;:::i;:::-;23294:12;:51;23361:19;;;;;;;;;;;;;;;;;23762:1;17689;22305:1083;:::o;21829:307::-;17234:1;17217:18;;;;;;;;21883:10;23514:16;:14;:16::i;:::-;23491:20;:39;23558:26;:24;:26::i;:::-;23541:14;:43;-1:-1:-1;;;;;23599:21:0;;;23595:157;;23656:15;23663:7;23656:6;:15::i;:::-;-1:-1:-1;;;;;23637:16:0;;;;;;:7;:16;;;;;;;;:34;;;;23720:20;;23686:22;:31;;;;;;:54;23595:157;21931:10;21906:14;21923:19;;;:7;:19;;;;;;21957:10;;21953:176;;21992:10;22006:1;21984:19;;;:7;:19;;;;;:23;22022:12;;:45;;-1:-1:-1;;;;;22022:12:0;;;;22060:6;22022:25;:45::i;:::-;22087:30;;;;;;;;22098:10;;22087:30;;;;;;;;;;21953:176;23762:1;17293;17329:13;;17313:12;:29;17305:73;;;;;-1:-1:-1;;;17305:73:0;;;;;;;;;;;;-1:-1:-1;;;;;;;;;;;17305:73:0;;;;;;;;;;;;;;;21829:307;:::o;17440:34::-;;;-1:-1:-1;;;;;17440:34:0;;:::o;19535:112::-;-1:-1:-1;;;;;19621:18:0;19594:7;19621:18;;;:9;:18;;;;;;;19535:112::o;18615:26::-;;;-1:-1:-1;;;;;18615:26:0;;:::o;18686:29::-;;;;:::o;19655:131::-;19712:7;19739:39;19748:15;19765:12;;19739:8;:39::i;18850:57::-;;;;;;;;;;;;;:::o;21087:369::-;17234:1;17217:18;;;;;;;;21153:10;23514:16;:14;:16::i;:::-;23491:20;:39;23558:26;:24;:26::i;:::-;23541:14;:43;-1:-1:-1;;;;;23599:21:0;;;23595:157;;23656:15;23663:7;23656:6;:15::i;:::-;-1:-1:-1;;;;;23637:16:0;;;;;;:7;:16;;;;;;;;:34;;;;23720:20;;23686:22;:31;;;;;;:54;23595:157;21193:1;21184:6;:10;21176:37;;;;;-1:-1:-1;;;21176:37:0;;;;;;;;;;;;-1:-1:-1;;;21176:37:0;;;;;;;;;;;;;;;21239:12;;:24;;21256:6;21239:24;:16;:24;:::i;:::-;21224:12;:39;21308:10;21298:21;;;;:9;:21;;;;;;:33;;21324:6;21298:33;:25;:33;:::i;:::-;21284:10;21274:21;;;;:9;:21;;;;;:57;;;;21342:12;;:64;;-1:-1:-1;;;;;21342:12:0;;;;21392:4;21399:6;21342:29;:64::i;:::-;21422:26;;;;;;;;21429:10;;21422:26;;;;;;;;;;17293:1;17329:13;;17313:12;:29;17305:73;;;;;-1:-1:-1;;;17305:73:0;;;;;;;;;;;;-1:-1:-1;;;;;;;;;;;17305:73:0;;;;;;;;;;;;;;18770:29;;;;:::o;19794:330::-;19841:7;19865:12;;19881:1;19865:17;19861:77;;;-1:-1:-1;19906:20:0;;19899:27;;19861:77;19968:148;20011:90;20088:12;;20011:72;20078:4;20011:62;20062:10;;20011:46;20042:14;;20011:26;:24;:26::i;:46::-;:50;:62;:50;:62;:::i;:90::-;19968:20;;;:148;:24;:148;:::i;18582:26::-;;;-1:-1:-1;;;;;18582:26:0;;:::o;18806:35::-;;;;:::o;22144:97::-;22199:10;22189:21;;;;:9;:21;;;;;;22180:31;;:8;:31::i;:::-;22222:11;:9;:11::i;:::-;22144:97::o;18648:31::-;;;;:::o;20521:558::-;17234:1;17217:18;;;;;;;;20643:10;23514:16;:14;:16::i;:::-;23491:20;:39;23558:26;:24;:26::i;:::-;23541:14;:43;-1:-1:-1;;;;;23599:21:0;;;23595:157;;23656:15;23663:7;23656:6;:15::i;:::-;-1:-1:-1;;;;;23637:16:0;;;;;;:7;:16;;;;;;;;:34;;;;23720:20;;23686:22;:31;;;;;;:54;23595:157;20683:1;20674:6;:10;20666:37;;;;;-1:-1:-1;;;20666:37:0;;;;;;;;;;;;-1:-1:-1;;;20666:37:0;;;;;;;;;;;;;;;20729:12;;:24;;20746:6;20729:24;:16;:24;:::i;:::-;20714:12;:39;20798:10;20788:21;;;;:9;:21;;;;;;:33;;20814:6;20788:33;:25;:33;:::i;:::-;20774:10;20764:21;;;;:9;:21;;;;;;:57;;;;20877:12;;20853:99;;-1:-1:-1;;;20853:99:0;;;;;;;;;20919:4;20853:99;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;20877:12:0;;;;-1:-1:-1;;20853:99:0;;;;;20764:21;20853:99;;;;;;20764:21;20877:12;20853:99;;;5:2:-1;;;;30:1;27;20:12;5:2;20853:99:0;;;;8:9:-1;5:2;;;45:16;42:1;39;24:38;77:16;74:1;67:27;5:2;-1:-1;;20965:12:0;;:64;;-1:-1:-1;;;;;;20965:12:0;;-1:-1:-1;20995:10:0;21015:4;21022:6;20965:29;:64::i;:::-;21045:26;;;;;;;;21052:10;;21045:26;;;;;;;;;;17293:1;17329:13;;17313:12;:29;17305:73;;;;;-1:-1:-1;;;17305:73:0;;;;;;;;;;;;-1:-1:-1;;;;;;;;;;;17305:73:0;;;;;;;;;;;;;;;20521:558;;;;;;:::o;7385:184::-;7443:7;7476:1;7471;:6;;7463:49;;;;;-1:-1:-1;;;7463:49:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;7535:5:0;;;7385:184::o;7820:470::-;7878:7;8122:6;8118:47;;-1:-1:-1;8152:1:0;8145:8;;8118:47;8189:5;;;8193:1;8189;:5;:1;8213:5;;;;;:10;8205:56;;;;-1:-1:-1;;;8205:56:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;8281:1;7820:470;-1:-1:-1;;;7820:470:0:o;8758:333::-;8816:7;8915:1;8911;:5;8903:44;;;;;-1:-1:-1;;;8903:44:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;8958:9;8974:1;8970;:5;;;;;;;8758:333;-1:-1:-1;;;;8758:333:0:o;6929:181::-;6987:7;7019:5;;;7043:6;;;;7035:46;;;;;-1:-1:-1;;;7035:46:0;;;;;;;;;;;;;;;;;;;;;;;;;;;12794:176;12903:58;;;-1:-1:-1;;;;;12903:58:0;;;;;;;;;;;;;;;26:21:-1;;;22:32;;;6:49;;12903:58:0;;;;;;;;25:18:-1;;61:17;;-1:-1;;;;;182:15;-1:-1;;;179:29;160:49;;12877:85:0;;12896:5;;12877:18;:85::i;:::-;12794:176;;;:::o;5670:106::-;5728:7;5759:1;5755;:5;:13;;5767:1;5755:13;;;-1:-1:-1;5763:1:0;;5748:20;-1:-1:-1;5670:106:0:o;12978:204::-;13105:68;;;-1:-1:-1;;;;;13105:68:0;;;;;;;;;;;;;;;;;;;;;;26:21:-1;;;22:32;;;6:49;;13105:68:0;;;;;;;;25:18:-1;;61:17;;-1:-1;;;;;182:15;-1:-1;;;179:29;160:49;;13079:95:0;;13098:5;;13079:18;:95::i;:::-;12978:204;;;;:::o;14788:1114::-;15392:27;-1:-1:-1;;;;;15392:25:0;;;:27::i;:::-;15384:71;;;;;-1:-1:-1;;;15384:71:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;15529:12;15543:23;15578:5;-1:-1:-1;;;;;15570:19:0;15590:4;15570:25;;;;;;;;;;;;;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;;;15570:25:0;;;;;;;;;;;;;;;;;;;;;;;;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;;15528:67:0;;;;15614:7;15606:52;;;;;-1:-1:-1;;;15606:52:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;15675:17;;:21;15671:224;;15817:10;15806:30;;;;;13:2:-1;8:3;5:11;2:2;;;29:1;26;19:12;2:2;-1:-1;15806:30:0;15798:85;;;;-1:-1:-1;;;15798:85:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;11805:422;12172:20;12211:8;;;11805:422::o

bzzr://61854d0c1d6ac2e3c7183c9ead061bec235384a0c7fd935260df87e5ccb969e8