Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

pragma solidity ^0.8.7;

import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
import "./RewardsDistributionRecipient.sol";
import "./Pausable.sol";
import "../interface/IStakeMaster.sol";

contract StakeMaster is IStakeMaster, RewardsDistributionRecipient, ReentrancyGuard, Pausable {
    using SafeMath for uint256;
    using SafeERC20 for IERC20;
    using EnumerableSet for EnumerableSet.AddressSet;

    address public override rewardsToken;
    address public stakingToken;
    uint256 public periodFinish = 0;
    uint256 public rewardRate = 0;
    uint256 public rewardsDuration = 4 hours;
    uint256 public lastUpdateTime;
    uint256 public rewardPerTokenStored;

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

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

    EnumerableSet.AddressSet private users;

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

    /* VIEWS */

    function getRewardsDistribution() public override view returns (address) {
        return rewardsDistribution;
    }

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

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

    function lastTimeRewardApplicable() public override view returns (uint256) {
        return block.timestamp < periodFinish ? 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 getReward(address account) public override view returns (uint256) {
        return _balances[account].mul(rewardPerToken().sub(userRewardPerTokenPaid[account])).div(1e18).add(rewards[account]);
    }

    function getStakeInfo(address account) public virtual view returns (uint256 lastTime, uint256 amount, uint256 reward){
        lastTime = lastUpdateTime;
        amount = _balances[account];
        reward = getReward(account);
    }

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

    function userList() public view virtual returns (address[] memory list){
        list = new address[](users.length());
        for (uint256 i = 0; i < users.length(); ++i) {
            list[i] = users.at(i);
        }
    }

    /* MUTATIVE FUNCTIONS */

    function stake(uint256 amount) external override nonReentrant notPaused updateReward(msg.sender) {
        require(amount > 0, "Cannot stake 0");
        users.add(_msgSender());
        _totalSupply = _totalSupply.add(amount);
        _balances[msg.sender] = _balances[msg.sender].add(amount);
        IERC20 token = IERC20(stakingToken);
        token.safeTransferFrom(msg.sender, address(this), amount);
        emit Staked(msg.sender, amount);
    }

    function unStake(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);
        IERC20 token = IERC20(stakingToken);
        token.safeTransfer(msg.sender, amount);
        emit UnStake(msg.sender, amount);
    }

    function claim() public override nonReentrant updateReward(msg.sender) {
        uint256 reward = rewards[msg.sender];
        if (reward > 0) {
            rewards[msg.sender] = 0;
            IERC20 token = IERC20(rewardsToken);
            if (token.balanceOf(address(this)) < reward) reward = token.balanceOf(address(this));
            token.safeTransfer(msg.sender, reward);
            emit Claim(msg.sender, reward);
        }
    }

    function exit() override external {
        unStake(_balances[msg.sender]);
        claim();
    }

    /* RESTRICTED FUNCTIONS */

    // 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 getReward and rewardPerToken functions;
    // Reward + leftover must be less than 2^256 / 10^18 to avoid overflow.
    function notifyRewardAmount(uint256 reward) override 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);
        }

        IERC20 token = IERC20(rewardsToken);
        uint256 balance = token.balanceOf(address(this));
        require(rewardRate <= balance.div(rewardsDuration), "Provided reward too high");

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

    function emergencyWithdrawEther() public onlyOwner {
        payable(_msgSender()).transfer(address(this).balance);
    }

    function emergencyWithdrawErc20(address tokenAddress) public onlyOwner {
        IERC20 token = IERC20(tokenAddress);
        token.safeTransfer(_msgSender(), token.balanceOf(address(this)));
    }

    function setRewardsDuration(uint256 _rewardsDuration) external onlyOwner {
        require(
            block.timestamp > periodFinish,
            "Previous rewards period must be complete before changing the duration for the new period"
        );
        rewardsDuration = _rewardsDuration;
        emit RewardsDurationUpdated(rewardsDuration);
    }

    /* MODIFIERS */

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

    /* EVENTS */

    event RewardAdded(uint256 reward);
    event Staked(address indexed user, uint256 amount);
    event UnStake(address indexed user, uint256 amount);
    event Claim(address indexed user, uint256 reward);
    event RewardsDurationUpdated(uint256 newDuration);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _transferOwnership(_msgSender());
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @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].
 */
abstract 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() {
        _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 making 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;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, 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 `from` to `to` 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 from,
        address to,
        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
// OpenZeppelin Contracts v4.4.1 (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using 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'
        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) + value;
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(
        IERC20 token,
        address spender,
        uint256 value
    ) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            uint256 newAllowance = oldAllowance - 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. 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
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @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
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 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");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

// CAUTION
// This version of SafeMath should only be used with Solidity 0.8 or later,
// because it relies on the compiler's built in overflow checks.

/**
 * @dev Wrappers over Solidity's arithmetic operations.
 *
 * NOTE: `SafeMath` is generally not needed starting with Solidity 0.8, since the compiler
 * now has built in overflow checking.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, with an overflow flag.
     *
     * _Available since v3.4._
     */
    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
        unchecked {
            uint256 c = a + b;
            if (c < a) return (false, 0);
            return (true, c);
        }
    }

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

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

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

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

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

    /**
     * @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 a - b;
    }

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

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator.
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return a / b;
    }

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

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

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * 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) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/structs/EnumerableSet.sol)

pragma solidity ^0.8.0;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position of the value in the `values` array, plus 1 because index 0
        // means a value is not in the set.
        mapping(bytes32 => uint256) _indexes;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._indexes[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We read and store the value's index to prevent multiple reads from the same storage slot
        uint256 valueIndex = set._indexes[value];

        if (valueIndex != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 toDeleteIndex = valueIndex - 1;
            uint256 lastIndex = set._values.length - 1;

            if (lastIndex != toDeleteIndex) {
                bytes32 lastvalue = set._values[lastIndex];

                // Move the last value to the index where the value to delete is
                set._values[toDeleteIndex] = lastvalue;
                // Update the index for the moved value
                set._indexes[lastvalue] = valueIndex; // Replace lastvalue's index to valueIndex
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the index for the deleted slot
            delete set._indexes[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._indexes[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        return _values(set._inner);
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        assembly {
            result := store
        }

        return result;
    }
}

pragma solidity >=0.7.0;

interface IStakeMaster {

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

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

    function getTotalReward() external view returns (uint256);

    function lastTimeRewardApplicable() external view returns (uint256);

    function rewardPerToken() external view returns (uint256);

    function getRewardsDistribution() external view returns (address);

    function rewardsToken() external view returns (address);

    function totalSupply() external view returns (uint256);


    function exit() external;

    function claim() external;

    function stake(uint256 amount) external;

    function unStake(uint256 amount) external;
}

pragma solidity ^0.8.7;

import "@openzeppelin/contracts/access/Ownable.sol";

abstract contract Pausable is Ownable {
    uint public lastPauseTime;
    bool public paused;

    constructor() internal {
        // 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 = block.timestamp;
        }

        // 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");
        _;
    }
}

pragma solidity ^0.8.7;

import "@openzeppelin/contracts/access/Ownable.sol";

// Inheritance

abstract contract RewardsDistributionRecipient is Ownable {
    address public rewardsDistribution;

    constructor (){
        rewardsDistribution = msg.sender;
    }

    function notifyRewardAmount(uint256 reward) external virtual;

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

    function transferRewardsDistribution(address _rewardsDistribution) external onlyRewardsDistribution {
        require(_rewardsDistribution != address(0), 'Address zero error');
        rewardsDistribution = _rewardsDistribution;
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 999999
  },
  "evmVersion": "istanbul",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_stakingToken","type":"address"},{"internalType":"address","name":"_rewardsToken","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":false,"internalType":"uint256","name":"reward","type":"uint256"}],"name":"Claim","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"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":false,"internalType":"uint256","name":"newDuration","type":"uint256"}],"name":"RewardsDurationUpdated","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":"UnStake","type":"event"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"tokenAddress","type":"address"}],"name":"emergencyWithdrawErc20","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"emergencyWithdrawEther","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"exit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"getReward","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRewardsDistribution","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"getStakeInfo","outputs":[{"internalType":"uint256","name":"lastTime","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"reward","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTotalReward","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":"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":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","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":[{"internalType":"address","name":"","type":"address"}],"name":"rewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardsDistribution","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardsDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"rewardsToken","outputs":[{"internalType":"address","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":"_rewardsDuration","type":"uint256"}],"name":"setRewardsDuration","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"stake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stakingToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_rewardsDistribution","type":"address"}],"name":"transferRewardsDistribution","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"unStake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"userList","outputs":[{"internalType":"address[]","name":"list","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"userRewardPerTokenPaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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

000000000000000000000000508e00d5cef397b02d260d035e5ee80775e4c821000000000000000000000000b185004c836695b9102eebf1779e5a46b89248fe

-----Decoded View---------------
Arg [0] : _stakingToken (address): 0x508E00D5ceF397B02d260D035e5EE80775e4C821
Arg [1] : _rewardsToken (address): 0xB185004C836695B9102eEbf1779e5A46B89248Fe

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000508e00d5cef397b02d260d035e5ee80775e4c821
Arg [1] : 000000000000000000000000b185004c836695b9102eebf1779e5a46b89248fe