Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity 0.8.7;

import "./TimeLockPool.sol";

contract TimeLockNonTransferablePool is TimeLockPool {
    constructor(
        string memory _name,
        string memory _symbol,
        address _depositToken,
        address _rewardToken,
        uint256 _maxBonus,
        uint256 _maxLockDuration
    )
        TimeLockPool(
            _name,
            _symbol,
            _depositToken,
            _rewardToken,
            _maxBonus,
            _maxLockDuration
        )
    {}

    // disable transfers
    function _transfer(
        address _from,
        address _to,
        uint256 _amount
    ) internal override {
        revert("NON_TRANSFERABLE");
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.7;

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

import "./base/BasePool.sol";
import "./interfaces/ITimeLockPool.sol";

contract TimeLockPool is BasePool, ITimeLockPool {
    using Math for uint256;
    using SafeERC20 for IERC20;

    uint256 public immutable maxBonus;
    uint256 public immutable maxLockDuration;
    uint256 public constant MIN_LOCK_DURATION = 10 minutes;

    bytes32 public constant REWARD_DISTRIBUTOR_ROLE =
        keccak256("REWARD_DISTRIBUTOR_ROLE");

    mapping(address => Deposit[]) public depositsOf;

    struct Deposit {
        uint256 amount;
        uint64 start;
        uint64 end;
    }

    constructor(
        string memory _name,
        string memory _symbol,
        address _depositToken,
        address _rewardToken,
        uint256 _maxBonus,
        uint256 _maxLockDuration
    ) BasePool(_name, _symbol, _depositToken, _rewardToken) {
        require(
            _maxLockDuration >= MIN_LOCK_DURATION,
            "TimeLockPool.constructor: max lock duration must be greater or equal to mininmum lock duration"
        );
        maxBonus = _maxBonus;
        maxLockDuration = _maxLockDuration;
    }

    event Deposited(
        uint256 amount,
        uint256 duration,
        address indexed receiver,
        address indexed from
    );
    event Withdrawn(
        uint256 indexed depositId,
        address indexed receiver,
        address indexed from,
        uint256 amount
    );

    modifier onlyRewardDistributor() {
        require(
            hasRole(REWARD_DISTRIBUTOR_ROLE, _msgSender()),
            "LiquidityMiningManager.onlyRewardDistributor: permission denied"
        );
        _;
    }

    function deposit(
        uint256 _amount,
        uint256 _duration,
        address _receiver
    ) external override {
        require(_amount > 0, "TimeLockPool.deposit: cannot deposit 0");
        // Don't allow locking > maxLockDuration
        uint256 duration = _duration.min(maxLockDuration);
        // Enforce min lockup duration to prevent flash loan or MEV transaction ordering
        duration = duration.max(MIN_LOCK_DURATION);

        depositToken.safeTransferFrom(_msgSender(), address(this), _amount);

        depositsOf[_receiver].push(
            Deposit({
                amount: _amount,
                start: uint64(block.timestamp),
                end: uint64(block.timestamp) + uint64(duration)
            })
        );

        uint256 mintAmount = (_amount * getMultiplier(duration)) / 1e18;

        _mint(_receiver, mintAmount);
        emit Deposited(_amount, duration, _receiver, _msgSender());
    }

    function withdraw(uint256 _depositId, address _receiver) external {
        require(
            _depositId < depositsOf[_msgSender()].length,
            "TimeLockPool.withdraw: Deposit does not exist"
        );
        Deposit memory userDeposit = depositsOf[_msgSender()][_depositId];
        require(
            block.timestamp >= userDeposit.end,
            "TimeLockPool.withdraw: too soon"
        );

        // No risk of wrapping around on casting to uint256 since deposit end always > deposit start and types are 64 bits
        uint256 shareAmount = (userDeposit.amount *
            getMultiplier(uint256(userDeposit.end - userDeposit.start))) / 1e18;

        // remove Deposit
        depositsOf[_msgSender()][_depositId] = depositsOf[_msgSender()][
            depositsOf[_msgSender()].length - 1
        ];
        depositsOf[_msgSender()].pop();

        // burn pool shares
        _burn(_msgSender(), shareAmount);

        // return tokens
        depositToken.safeTransfer(_receiver, userDeposit.amount);
        emit Withdrawn(_depositId, _receiver, _msgSender(), userDeposit.amount);
    }

    function distributeRewards(uint256 _amount)
        public
        override
        onlyRewardDistributor
    {
        rewardToken.safeTransferFrom(_msgSender(), address(this), _amount);
        _distributeRewards(_amount);
    }

    function getMultiplier(uint256 _lockDuration)
        public
        view
        returns (uint256)
    {
        return 1e18 + ((maxBonus * _lockDuration) / maxLockDuration);
    }

    function getTotalDeposit(address _account) public view returns (uint256) {
        uint256 total;
        for (uint256 i = 0; i < depositsOf[_account].length; i++) {
            total += depositsOf[_account][i].amount;
        }

        return total;
    }

    function getDepositsOf(address _account)
        public
        view
        returns (Deposit[] memory)
    {
        return depositsOf[_account];
    }

    function getDepositsOfLength(address _account)
        public
        view
        returns (uint256)
    {
        return depositsOf[_account].length;
    }
}

// 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 (last updated v4.5.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

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

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

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

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a / b + (a % b == 0 ? 0 : 1);
    }
}

// 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
pragma solidity 0.8.7;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Votes.sol";
import "@openzeppelin/contracts/utils/math/SafeCast.sol";

import "../interfaces/IBasePool.sol";
import "../interfaces/ITimeLockPool.sol";

import "./AbstractRewards.sol";
import "./TokenSaver.sol";

abstract contract BasePool is
    ERC20Votes,
    AbstractRewards,
    IBasePool,
    TokenSaver
{
    using SafeERC20 for IERC20;
    using SafeCast for uint256;
    using SafeCast for int256;

    IERC20 public immutable depositToken;
    IERC20 public immutable rewardToken;

    event RewardsClaimed(
        address indexed _from,
        address indexed _receiver,
        uint256 _escrowedAmount
    );

    constructor(
        string memory _name,
        string memory _symbol,
        address _depositToken,
        address _rewardToken
    )
        ERC20Permit(_name)
        ERC20(_name, _symbol)
        AbstractRewards(balanceOf, totalSupply)
    {
        require(
            _depositToken != address(0),
            "BasePool.constructor: Deposit token must be set"
        );
        depositToken = IERC20(_depositToken);
        rewardToken = IERC20(_rewardToken);
    }

    function _mint(address _account, uint256 _amount)
        internal
        virtual
        override
    {
        super._mint(_account, _amount);
        _correctPoints(_account, -(_amount.toInt256()));
    }

    function _burn(address _account, uint256 _amount)
        internal
        virtual
        override
    {
        super._burn(_account, _amount);
        _correctPoints(_account, _amount.toInt256());
    }

    function _transfer(
        address _from,
        address _to,
        uint256 _value
    ) internal virtual override {
        super._transfer(_from, _to, _value);
        _correctPointsForTransfer(_from, _to, _value);
    }

    function distributeRewards(uint256 _amount) public virtual override {
        rewardToken.safeTransferFrom(_msgSender(), address(this), _amount);
        _distributeRewards(_amount);
    }

    function claimRewards(address _receiver) external {
        uint256 rewardAmount = _prepareCollect(_msgSender());

        if (rewardAmount > 1) {
            rewardToken.safeTransfer(_receiver, rewardAmount);
        }

        emit RewardsClaimed(_msgSender(), _receiver, rewardAmount);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.7;

interface ITimeLockPool {
    function deposit(
        uint256 _amount,
        uint256 _duration,
        address _receiver
    ) external;
}

// 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 (last updated v4.5.0) (token/ERC20/extensions/ERC20Votes.sol)

pragma solidity ^0.8.0;

import "./draft-ERC20Permit.sol";
import "../../../utils/math/Math.sol";
import "../../../governance/utils/IVotes.sol";
import "../../../utils/math/SafeCast.sol";
import "../../../utils/cryptography/ECDSA.sol";

/**
 * @dev Extension of ERC20 to support Compound-like voting and delegation. This version is more generic than Compound's,
 * and supports token supply up to 2^224^ - 1, while COMP is limited to 2^96^ - 1.
 *
 * NOTE: If exact COMP compatibility is required, use the {ERC20VotesComp} variant of this module.
 *
 * This extension keeps a history (checkpoints) of each account's vote power. Vote power can be delegated either
 * by calling the {delegate} function directly, or by providing a signature to be used with {delegateBySig}. Voting
 * power can be queried through the public accessors {getVotes} and {getPastVotes}.
 *
 * By default, token balance does not account for voting power. This makes transfers cheaper. The downside is that it
 * requires users to delegate to themselves in order to activate checkpoints and have their voting power tracked.
 *
 * _Available since v4.2._
 */
abstract contract ERC20Votes is IVotes, ERC20Permit {
    struct Checkpoint {
        uint32 fromBlock;
        uint224 votes;
    }

    bytes32 private constant _DELEGATION_TYPEHASH =
        keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)");

    mapping(address => address) private _delegates;
    mapping(address => Checkpoint[]) private _checkpoints;
    Checkpoint[] private _totalSupplyCheckpoints;

    /**
     * @dev Get the `pos`-th checkpoint for `account`.
     */
    function checkpoints(address account, uint32 pos) public view virtual returns (Checkpoint memory) {
        return _checkpoints[account][pos];
    }

    /**
     * @dev Get number of checkpoints for `account`.
     */
    function numCheckpoints(address account) public view virtual returns (uint32) {
        return SafeCast.toUint32(_checkpoints[account].length);
    }

    /**
     * @dev Get the address `account` is currently delegating to.
     */
    function delegates(address account) public view virtual override returns (address) {
        return _delegates[account];
    }

    /**
     * @dev Gets the current votes balance for `account`
     */
    function getVotes(address account) public view virtual override returns (uint256) {
        uint256 pos = _checkpoints[account].length;
        return pos == 0 ? 0 : _checkpoints[account][pos - 1].votes;
    }

    /**
     * @dev Retrieve the number of votes for `account` at the end of `blockNumber`.
     *
     * Requirements:
     *
     * - `blockNumber` must have been already mined
     */
    function getPastVotes(address account, uint256 blockNumber) public view virtual override returns (uint256) {
        require(blockNumber < block.number, "ERC20Votes: block not yet mined");
        return _checkpointsLookup(_checkpoints[account], blockNumber);
    }

    /**
     * @dev Retrieve the `totalSupply` at the end of `blockNumber`. Note, this value is the sum of all balances.
     * It is but NOT the sum of all the delegated votes!
     *
     * Requirements:
     *
     * - `blockNumber` must have been already mined
     */
    function getPastTotalSupply(uint256 blockNumber) public view virtual override returns (uint256) {
        require(blockNumber < block.number, "ERC20Votes: block not yet mined");
        return _checkpointsLookup(_totalSupplyCheckpoints, blockNumber);
    }

    /**
     * @dev Lookup a value in a list of (sorted) checkpoints.
     */
    function _checkpointsLookup(Checkpoint[] storage ckpts, uint256 blockNumber) private view returns (uint256) {
        // We run a binary search to look for the earliest checkpoint taken after `blockNumber`.
        //
        // During the loop, the index of the wanted checkpoint remains in the range [low-1, high).
        // With each iteration, either `low` or `high` is moved towards the middle of the range to maintain the invariant.
        // - If the middle checkpoint is after `blockNumber`, we look in [low, mid)
        // - If the middle checkpoint is before or equal to `blockNumber`, we look in [mid+1, high)
        // Once we reach a single value (when low == high), we've found the right checkpoint at the index high-1, if not
        // out of bounds (in which case we're looking too far in the past and the result is 0).
        // Note that if the latest checkpoint available is exactly for `blockNumber`, we end up with an index that is
        // past the end of the array, so we technically don't find a checkpoint after `blockNumber`, but it works out
        // the same.
        uint256 high = ckpts.length;
        uint256 low = 0;
        while (low < high) {
            uint256 mid = Math.average(low, high);
            if (ckpts[mid].fromBlock > blockNumber) {
                high = mid;
            } else {
                low = mid + 1;
            }
        }

        return high == 0 ? 0 : ckpts[high - 1].votes;
    }

    /**
     * @dev Delegate votes from the sender to `delegatee`.
     */
    function delegate(address delegatee) public virtual override {
        _delegate(_msgSender(), delegatee);
    }

    /**
     * @dev Delegates votes from signer to `delegatee`
     */
    function delegateBySig(
        address delegatee,
        uint256 nonce,
        uint256 expiry,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual override {
        require(block.timestamp <= expiry, "ERC20Votes: signature expired");
        address signer = ECDSA.recover(
            _hashTypedDataV4(keccak256(abi.encode(_DELEGATION_TYPEHASH, delegatee, nonce, expiry))),
            v,
            r,
            s
        );
        require(nonce == _useNonce(signer), "ERC20Votes: invalid nonce");
        _delegate(signer, delegatee);
    }

    /**
     * @dev Maximum token supply. Defaults to `type(uint224).max` (2^224^ - 1).
     */
    function _maxSupply() internal view virtual returns (uint224) {
        return type(uint224).max;
    }

    /**
     * @dev Snapshots the totalSupply after it has been increased.
     */
    function _mint(address account, uint256 amount) internal virtual override {
        super._mint(account, amount);
        require(totalSupply() <= _maxSupply(), "ERC20Votes: total supply risks overflowing votes");

        _writeCheckpoint(_totalSupplyCheckpoints, _add, amount);
    }

    /**
     * @dev Snapshots the totalSupply after it has been decreased.
     */
    function _burn(address account, uint256 amount) internal virtual override {
        super._burn(account, amount);

        _writeCheckpoint(_totalSupplyCheckpoints, _subtract, amount);
    }

    /**
     * @dev Move voting power when tokens are transferred.
     *
     * Emits a {DelegateVotesChanged} event.
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual override {
        super._afterTokenTransfer(from, to, amount);

        _moveVotingPower(delegates(from), delegates(to), amount);
    }

    /**
     * @dev Change delegation for `delegator` to `delegatee`.
     *
     * Emits events {DelegateChanged} and {DelegateVotesChanged}.
     */
    function _delegate(address delegator, address delegatee) internal virtual {
        address currentDelegate = delegates(delegator);
        uint256 delegatorBalance = balanceOf(delegator);
        _delegates[delegator] = delegatee;

        emit DelegateChanged(delegator, currentDelegate, delegatee);

        _moveVotingPower(currentDelegate, delegatee, delegatorBalance);
    }

    function _moveVotingPower(
        address src,
        address dst,
        uint256 amount
    ) private {
        if (src != dst && amount > 0) {
            if (src != address(0)) {
                (uint256 oldWeight, uint256 newWeight) = _writeCheckpoint(_checkpoints[src], _subtract, amount);
                emit DelegateVotesChanged(src, oldWeight, newWeight);
            }

            if (dst != address(0)) {
                (uint256 oldWeight, uint256 newWeight) = _writeCheckpoint(_checkpoints[dst], _add, amount);
                emit DelegateVotesChanged(dst, oldWeight, newWeight);
            }
        }
    }

    function _writeCheckpoint(
        Checkpoint[] storage ckpts,
        function(uint256, uint256) view returns (uint256) op,
        uint256 delta
    ) private returns (uint256 oldWeight, uint256 newWeight) {
        uint256 pos = ckpts.length;
        oldWeight = pos == 0 ? 0 : ckpts[pos - 1].votes;
        newWeight = op(oldWeight, delta);

        if (pos > 0 && ckpts[pos - 1].fromBlock == block.number) {
            ckpts[pos - 1].votes = SafeCast.toUint224(newWeight);
        } else {
            ckpts.push(Checkpoint({fromBlock: SafeCast.toUint32(block.number), votes: SafeCast.toUint224(newWeight)}));
        }
    }

    function _add(uint256 a, uint256 b) private pure returns (uint256) {
        return a + b;
    }

    function _subtract(uint256 a, uint256 b) private pure returns (uint256) {
        return a - b;
    }
}

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

pragma solidity ^0.8.0;

/**
 * @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow
 * checks.
 *
 * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
 * easily result in undesired exploitation or bugs, since developers usually
 * assume that overflows raise errors. `SafeCast` restores this intuition by
 * reverting the transaction when such 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.
 *
 * Can be combined with {SafeMath} and {SignedSafeMath} to extend it to smaller types, by performing
 * all math on `uint256` and `int256` and then downcasting.
 */
library SafeCast {
    /**
     * @dev Returns the downcasted uint224 from uint256, reverting on
     * overflow (when the input is greater than largest uint224).
     *
     * Counterpart to Solidity's `uint224` operator.
     *
     * Requirements:
     *
     * - input must fit into 224 bits
     */
    function toUint224(uint256 value) internal pure returns (uint224) {
        require(value <= type(uint224).max, "SafeCast: value doesn't fit in 224 bits");
        return uint224(value);
    }

    /**
     * @dev Returns the downcasted uint128 from uint256, reverting on
     * overflow (when the input is greater than largest uint128).
     *
     * Counterpart to Solidity's `uint128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     */
    function toUint128(uint256 value) internal pure returns (uint128) {
        require(value <= type(uint128).max, "SafeCast: value doesn't fit in 128 bits");
        return uint128(value);
    }

    /**
     * @dev Returns the downcasted uint96 from uint256, reverting on
     * overflow (when the input is greater than largest uint96).
     *
     * Counterpart to Solidity's `uint96` operator.
     *
     * Requirements:
     *
     * - input must fit into 96 bits
     */
    function toUint96(uint256 value) internal pure returns (uint96) {
        require(value <= type(uint96).max, "SafeCast: value doesn't fit in 96 bits");
        return uint96(value);
    }

    /**
     * @dev Returns the downcasted uint64 from uint256, reverting on
     * overflow (when the input is greater than largest uint64).
     *
     * Counterpart to Solidity's `uint64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     */
    function toUint64(uint256 value) internal pure returns (uint64) {
        require(value <= type(uint64).max, "SafeCast: value doesn't fit in 64 bits");
        return uint64(value);
    }

    /**
     * @dev Returns the downcasted uint32 from uint256, reverting on
     * overflow (when the input is greater than largest uint32).
     *
     * Counterpart to Solidity's `uint32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     */
    function toUint32(uint256 value) internal pure returns (uint32) {
        require(value <= type(uint32).max, "SafeCast: value doesn't fit in 32 bits");
        return uint32(value);
    }

    /**
     * @dev Returns the downcasted uint16 from uint256, reverting on
     * overflow (when the input is greater than largest uint16).
     *
     * Counterpart to Solidity's `uint16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     */
    function toUint16(uint256 value) internal pure returns (uint16) {
        require(value <= type(uint16).max, "SafeCast: value doesn't fit in 16 bits");
        return uint16(value);
    }

    /**
     * @dev Returns the downcasted uint8 from uint256, reverting on
     * overflow (when the input is greater than largest uint8).
     *
     * Counterpart to Solidity's `uint8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits.
     */
    function toUint8(uint256 value) internal pure returns (uint8) {
        require(value <= type(uint8).max, "SafeCast: value doesn't fit in 8 bits");
        return uint8(value);
    }

    /**
     * @dev Converts a signed int256 into an unsigned uint256.
     *
     * Requirements:
     *
     * - input must be greater than or equal to 0.
     */
    function toUint256(int256 value) internal pure returns (uint256) {
        require(value >= 0, "SafeCast: value must be positive");
        return uint256(value);
    }

    /**
     * @dev Returns the downcasted int128 from int256, reverting on
     * overflow (when the input is less than smallest int128 or
     * greater than largest int128).
     *
     * Counterpart to Solidity's `int128` operator.
     *
     * Requirements:
     *
     * - input must fit into 128 bits
     *
     * _Available since v3.1._
     */
    function toInt128(int256 value) internal pure returns (int128) {
        require(value >= type(int128).min && value <= type(int128).max, "SafeCast: value doesn't fit in 128 bits");
        return int128(value);
    }

    /**
     * @dev Returns the downcasted int64 from int256, reverting on
     * overflow (when the input is less than smallest int64 or
     * greater than largest int64).
     *
     * Counterpart to Solidity's `int64` operator.
     *
     * Requirements:
     *
     * - input must fit into 64 bits
     *
     * _Available since v3.1._
     */
    function toInt64(int256 value) internal pure returns (int64) {
        require(value >= type(int64).min && value <= type(int64).max, "SafeCast: value doesn't fit in 64 bits");
        return int64(value);
    }

    /**
     * @dev Returns the downcasted int32 from int256, reverting on
     * overflow (when the input is less than smallest int32 or
     * greater than largest int32).
     *
     * Counterpart to Solidity's `int32` operator.
     *
     * Requirements:
     *
     * - input must fit into 32 bits
     *
     * _Available since v3.1._
     */
    function toInt32(int256 value) internal pure returns (int32) {
        require(value >= type(int32).min && value <= type(int32).max, "SafeCast: value doesn't fit in 32 bits");
        return int32(value);
    }

    /**
     * @dev Returns the downcasted int16 from int256, reverting on
     * overflow (when the input is less than smallest int16 or
     * greater than largest int16).
     *
     * Counterpart to Solidity's `int16` operator.
     *
     * Requirements:
     *
     * - input must fit into 16 bits
     *
     * _Available since v3.1._
     */
    function toInt16(int256 value) internal pure returns (int16) {
        require(value >= type(int16).min && value <= type(int16).max, "SafeCast: value doesn't fit in 16 bits");
        return int16(value);
    }

    /**
     * @dev Returns the downcasted int8 from int256, reverting on
     * overflow (when the input is less than smallest int8 or
     * greater than largest int8).
     *
     * Counterpart to Solidity's `int8` operator.
     *
     * Requirements:
     *
     * - input must fit into 8 bits.
     *
     * _Available since v3.1._
     */
    function toInt8(int256 value) internal pure returns (int8) {
        require(value >= type(int8).min && value <= type(int8).max, "SafeCast: value doesn't fit in 8 bits");
        return int8(value);
    }

    /**
     * @dev Converts an unsigned uint256 into a signed int256.
     *
     * Requirements:
     *
     * - input must be less than or equal to maxInt256.
     */
    function toInt256(uint256 value) internal pure returns (int256) {
        // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
        require(value <= uint256(type(int256).max), "SafeCast: value doesn't fit in an int256");
        return int256(value);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.7;

interface IBasePool {
    function distributeRewards(uint256 _amount) external;
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.7;

import "../interfaces/IAbstractRewards.sol";
import "@openzeppelin/contracts/utils/math/SafeCast.sol";

/**
 * @dev Based on: https://github.com/indexed-finance/dividends/blob/master/contracts/base/AbstractDividends.sol
 * Renamed dividends to rewards.
 * @dev (OLD) Many functions in this contract were taken from this repository:
 * https://github.com/atpar/funds-distribution-token/blob/master/contracts/FundsDistributionToken.sol
 * which is an example implementation of ERC 2222, the draft for which can be found at
 * https://github.com/atpar/funds-distribution-token/blob/master/EIP-DRAFT.md
 *
 * This contract has been substantially modified from the original and does not comply with ERC 2222.
 * Many functions were renamed as "rewards" rather than "funds" and the core functionality was separated
 * into this abstract contract which can be inherited by anything tracking ownership of reward shares.
 */
abstract contract AbstractRewards is IAbstractRewards {
    using SafeCast for uint128;
    using SafeCast for uint256;
    using SafeCast for int256;

    /* ========  Constants  ======== */
    uint128 public constant POINTS_MULTIPLIER = type(uint128).max;

    /* ========  Internal Function References  ======== */
    function(address) view returns (uint256) private immutable getSharesOf;
    function() view returns (uint256) private immutable getTotalShares;

    /* ========  Storage  ======== */
    uint256 public pointsPerShare;
    mapping(address => int256) public pointsCorrection;
    mapping(address => uint256) public withdrawnRewards;

    constructor(
        function(address) view returns (uint256) getSharesOf_,
        function() view returns (uint256) getTotalShares_
    ) {
        getSharesOf = getSharesOf_;
        getTotalShares = getTotalShares_;
    }

    /* ========  Public View Functions  ======== */
    /**
     * @dev Returns the total amount of rewards a given address is able to withdraw.
     * @param _account Address of a reward recipient
     * @return A uint256 representing the rewards `account` can withdraw
     */
    function withdrawableRewardsOf(address _account)
        public
        view
        override
        returns (uint256)
    {
        return cumulativeRewardsOf(_account) - withdrawnRewards[_account];
    }

    /**
     * @notice View the amount of rewards that an address has withdrawn.
     * @param _account The address of a token holder.
     * @return The amount of rewards that `account` has withdrawn.
     */
    function withdrawnRewardsOf(address _account)
        public
        view
        override
        returns (uint256)
    {
        return withdrawnRewards[_account];
    }

    /**
     * @notice View the amount of rewards that an address has earned in total.
     * @dev accumulativeFundsOf(account) = withdrawableRewardsOf(account) + withdrawnRewardsOf(account)
     * = (pointsPerShare * balanceOf(account) + pointsCorrection[account]) / POINTS_MULTIPLIER
     * @param _account The address of a token holder.
     * @return The amount of rewards that `account` has earned in total.
     */
    function cumulativeRewardsOf(address _account)
        public
        view
        override
        returns (uint256)
    {
        return
            ((pointsPerShare * getSharesOf(_account)).toInt256() +
                pointsCorrection[_account]).toUint256() / POINTS_MULTIPLIER;
    }

    /* ========  Dividend Utility Functions  ======== */

    /**
     * @notice Distributes rewards to token holders.
     * @dev It reverts if the total shares is 0.
     * It emits the `RewardsDistributed` event if the amount to distribute is greater than 0.
     * About undistributed rewards:
     *   In each distribution, there is a small amount which does not get distributed,
     *   which is `(amount * POINTS_MULTIPLIER) % totalShares()`.
     *   With a well-chosen `POINTS_MULTIPLIER`, the amount of funds that are not getting
     *   distributed in a distribution can be less than 1 (base unit).
     */
    function _distributeRewards(uint256 _amount) internal {
        uint256 shares = getTotalShares();
        require(
            shares > 0,
            "AbstractRewards._distributeRewards: total share supply is zero"
        );

        if (_amount > 0) {
            pointsPerShare =
                pointsPerShare +
                ((_amount * POINTS_MULTIPLIER) / shares);
            emit RewardsDistributed(msg.sender, _amount);
        }
    }

    /**
     * @notice Prepares collection of owed rewards
     * @dev It emits a `RewardsWithdrawn` event if the amount of withdrawn rewards is
     * greater than 0.
     */
    function _prepareCollect(address _account) internal returns (uint256) {
        uint256 _withdrawableDividend = withdrawableRewardsOf(_account);
        if (_withdrawableDividend > 0) {
            withdrawnRewards[_account] =
                withdrawnRewards[_account] +
                _withdrawableDividend;
            emit RewardsWithdrawn(_account, _withdrawableDividend);
        }
        return _withdrawableDividend;
    }

    function _correctPointsForTransfer(
        address _from,
        address _to,
        uint256 _shares
    ) internal {
        int256 _magCorrection = (pointsPerShare * _shares).toInt256();
        pointsCorrection[_from] = pointsCorrection[_from] + _magCorrection;
        pointsCorrection[_to] = pointsCorrection[_to] - _magCorrection;
    }

    /**
     * @dev Increases or decreases the points correction for `account` by
     * `shares*pointsPerShare`.
     */
    function _correctPoints(address _account, int256 _shares) internal {
        pointsCorrection[_account] =
            pointsCorrection[_account] +
            (_shares * (int256(pointsPerShare)));
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.7;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/access/AccessControlEnumerable.sol";

contract TokenSaver is AccessControlEnumerable {
    using SafeERC20 for IERC20;

    bytes32 public constant TOKEN_SAVER_ROLE = keccak256("TOKEN_SAVER_ROLE");

    event TokenSaved(
        address indexed by,
        address indexed receiver,
        address indexed token,
        uint256 amount
    );

    modifier onlyTokenSaver() {
        require(
            hasRole(TOKEN_SAVER_ROLE, _msgSender()),
            "TokenSaver.onlyTokenSaver: permission denied"
        );
        _;
    }

    constructor() {
        _setupRole(DEFAULT_ADMIN_ROLE, _msgSender());
    }

    function saveToken(
        address _token,
        address _receiver,
        uint256 _amount
    ) external onlyTokenSaver {
        IERC20(_token).safeTransfer(_receiver, _amount);
        emit TokenSaved(_msgSender(), _receiver, _token, _amount);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-ERC20Permit.sol)

pragma solidity ^0.8.0;

import "./draft-IERC20Permit.sol";
import "../ERC20.sol";
import "../../../utils/cryptography/draft-EIP712.sol";
import "../../../utils/cryptography/ECDSA.sol";
import "../../../utils/Counters.sol";

/**
 * @dev Implementation of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on `{IERC20-approve}`, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 *
 * _Available since v3.4._
 */
abstract contract ERC20Permit is ERC20, IERC20Permit, EIP712 {
    using Counters for Counters.Counter;

    mapping(address => Counters.Counter) private _nonces;

    // solhint-disable-next-line var-name-mixedcase
    bytes32 private immutable _PERMIT_TYPEHASH =
        keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)");

    /**
     * @dev Initializes the {EIP712} domain separator using the `name` parameter, and setting `version` to `"1"`.
     *
     * It's a good idea to use the same `name` that is defined as the ERC20 token name.
     */
    constructor(string memory name) EIP712(name, "1") {}

    /**
     * @dev See {IERC20Permit-permit}.
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) public virtual override {
        require(block.timestamp <= deadline, "ERC20Permit: expired deadline");

        bytes32 structHash = keccak256(abi.encode(_PERMIT_TYPEHASH, owner, spender, value, _useNonce(owner), deadline));

        bytes32 hash = _hashTypedDataV4(structHash);

        address signer = ECDSA.recover(hash, v, r, s);
        require(signer == owner, "ERC20Permit: invalid signature");

        _approve(owner, spender, value);
    }

    /**
     * @dev See {IERC20Permit-nonces}.
     */
    function nonces(address owner) public view virtual override returns (uint256) {
        return _nonces[owner].current();
    }

    /**
     * @dev See {IERC20Permit-DOMAIN_SEPARATOR}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view override returns (bytes32) {
        return _domainSeparatorV4();
    }

    /**
     * @dev "Consume a nonce": return the current value and increment.
     *
     * _Available since v4.1._
     */
    function _useNonce(address owner) internal virtual returns (uint256 current) {
        Counters.Counter storage nonce = _nonces[owner];
        current = nonce.current();
        nonce.increment();
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (governance/utils/IVotes.sol)
pragma solidity ^0.8.0;

/**
 * @dev Common interface for {ERC20Votes}, {ERC721Votes}, and other {Votes}-enabled contracts.
 *
 * _Available since v4.5._
 */
interface IVotes {
    /**
     * @dev Emitted when an account changes their delegate.
     */
    event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate);

    /**
     * @dev Emitted when a token transfer or delegate change results in changes to a delegate's number of votes.
     */
    event DelegateVotesChanged(address indexed delegate, uint256 previousBalance, uint256 newBalance);

    /**
     * @dev Returns the current amount of votes that `account` has.
     */
    function getVotes(address account) external view returns (uint256);

    /**
     * @dev Returns the amount of votes that `account` had at the end of a past block (`blockNumber`).
     */
    function getPastVotes(address account, uint256 blockNumber) external view returns (uint256);

    /**
     * @dev Returns the total supply of votes available at the end of a past block (`blockNumber`).
     *
     * NOTE: This value is the sum of all available votes, which is not necessarily the sum of all delegated votes.
     * Votes that have not been delegated are still part of total supply, even though they would not participate in a
     * vote.
     */
    function getPastTotalSupply(uint256 blockNumber) external view returns (uint256);

    /**
     * @dev Returns the delegate that `account` has chosen.
     */
    function delegates(address account) external view returns (address);

    /**
     * @dev Delegates votes from the sender to `delegatee`.
     */
    function delegate(address delegatee) external;

    /**
     * @dev Delegates votes from signer to `delegatee`.
     */
    function delegateBySig(
        address delegatee,
        uint256 nonce,
        uint256 expiry,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;
}

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

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        } else if (error == RecoverError.InvalidSignatureV) {
            revert("ECDSA: invalid signature 'v' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        // Check the signature length
        // - case 65: r,s,v signature (standard)
        // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else if (signature.length == 64) {
            bytes32 r;
            bytes32 vs;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                vs := mload(add(signature, 0x40))
            }
            return tryRecover(hash, r, vs);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }
        if (v != 27 && v != 28) {
            return (address(0), RecoverError.InvalidSignatureV);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

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

pragma solidity ^0.8.0;

import "./IERC20.sol";
import "./extensions/IERC20Metadata.sol";
import "../../utils/Context.sol";

/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20, IERC20Metadata {
    mapping(address => uint256) private _balances;

    mapping(address => mapping(address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * The default value of {decimals} is 18. To select a different value for
     * {decimals} you should overload it.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

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

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual override 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. This is the value {ERC20} uses, unless this function is
     * overridden;
     *
     * NOTE: 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 virtual override returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address to, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `amount` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `amount`.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) public virtual override returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, amount);
        _transfer(from, to, amount);
        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, _allowances[owner][spender] + addedValue);
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        address owner = _msgSender();
        uint256 currentAllowance = _allowances[owner][spender];
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(owner, spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `sender` to `recipient`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `from` must have a balance of at least `amount`.
     */
    function _transfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(from, to, amount);

        uint256 fromBalance = _balances[from];
        require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
        unchecked {
            _balances[from] = fromBalance - amount;
        }
        _balances[to] += amount;

        emit Transfer(from, to, amount);

        _afterTokenTransfer(from, to, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply += amount;
        _balances[account] += amount;
        emit Transfer(address(0), account, amount);

        _afterTokenTransfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        uint256 accountBalance = _balances[account];
        require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
        unchecked {
            _balances[account] = accountBalance - amount;
        }
        _totalSupply -= amount;

        emit Transfer(account, address(0), amount);

        _afterTokenTransfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Spend `amount` form the allowance of `owner` toward `spender`.
     *
     * Does not update the allowance amount in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Might emit an {Approval} event.
     */
    function _spendAllowance(
        address owner,
        address spender,
        uint256 amount
    ) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            require(currentAllowance >= amount, "ERC20: insufficient allowance");
            unchecked {
                _approve(owner, spender, currentAllowance - amount);
            }
        }
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}

    /**
     * @dev Hook that is called after any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * has been transferred to `to`.
     * - when `from` is zero, `amount` tokens have been minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens have been burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _afterTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal virtual {}
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/cryptography/draft-EIP712.sol)

pragma solidity ^0.8.0;

import "./ECDSA.sol";

/**
 * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data.
 *
 * The encoding specified in the EIP is very generic, and such a generic implementation in Solidity is not feasible,
 * thus this contract does not implement the encoding itself. Protocols need to implement the type-specific encoding
 * they need in their contracts using a combination of `abi.encode` and `keccak256`.
 *
 * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding
 * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA
 * ({_hashTypedDataV4}).
 *
 * The implementation of the domain separator was designed to be as efficient as possible while still properly updating
 * the chain id to protect against replay attacks on an eventual fork of the chain.
 *
 * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method
 * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask].
 *
 * _Available since v3.4._
 */
abstract contract EIP712 {
    /* solhint-disable var-name-mixedcase */
    // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to
    // invalidate the cached domain separator if the chain id changes.
    bytes32 private immutable _CACHED_DOMAIN_SEPARATOR;
    uint256 private immutable _CACHED_CHAIN_ID;
    address private immutable _CACHED_THIS;

    bytes32 private immutable _HASHED_NAME;
    bytes32 private immutable _HASHED_VERSION;
    bytes32 private immutable _TYPE_HASH;

    /* solhint-enable var-name-mixedcase */

    /**
     * @dev Initializes the domain separator and parameter caches.
     *
     * The meaning of `name` and `version` is specified in
     * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]:
     *
     * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol.
     * - `version`: the current major version of the signing domain.
     *
     * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart
     * contract upgrade].
     */
    constructor(string memory name, string memory version) {
        bytes32 hashedName = keccak256(bytes(name));
        bytes32 hashedVersion = keccak256(bytes(version));
        bytes32 typeHash = keccak256(
            "EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"
        );
        _HASHED_NAME = hashedName;
        _HASHED_VERSION = hashedVersion;
        _CACHED_CHAIN_ID = block.chainid;
        _CACHED_DOMAIN_SEPARATOR = _buildDomainSeparator(typeHash, hashedName, hashedVersion);
        _CACHED_THIS = address(this);
        _TYPE_HASH = typeHash;
    }

    /**
     * @dev Returns the domain separator for the current chain.
     */
    function _domainSeparatorV4() internal view returns (bytes32) {
        if (address(this) == _CACHED_THIS && block.chainid == _CACHED_CHAIN_ID) {
            return _CACHED_DOMAIN_SEPARATOR;
        } else {
            return _buildDomainSeparator(_TYPE_HASH, _HASHED_NAME, _HASHED_VERSION);
        }
    }

    function _buildDomainSeparator(
        bytes32 typeHash,
        bytes32 nameHash,
        bytes32 versionHash
    ) private view returns (bytes32) {
        return keccak256(abi.encode(typeHash, nameHash, versionHash, block.chainid, address(this)));
    }

    /**
     * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this
     * function returns the hash of the fully encoded EIP712 message for this domain.
     *
     * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example:
     *
     * ```solidity
     * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode(
     *     keccak256("Mail(address to,string contents)"),
     *     mailTo,
     *     keccak256(bytes(mailContents))
     * )));
     * address signer = ECDSA.recover(digest, signature);
     * ```
     */
    function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) {
        return ECDSA.toTypedDataHash(_domainSeparatorV4(), structHash);
    }
}

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

pragma solidity ^0.8.0;

/**
 * @title Counters
 * @author Matt Condon (@shrugs)
 * @dev Provides counters that can only be incremented, decremented or reset. This can be used e.g. to track the number
 * of elements in a mapping, issuing ERC721 ids, or counting request ids.
 *
 * Include with `using Counters for Counters.Counter;`
 */
library Counters {
    struct Counter {
        // This variable should never be directly accessed by users of the library: interactions must be restricted to
        // the library's function. As of Solidity v0.5.2, this cannot be enforced, though there is a proposal to add
        // this feature: see https://github.com/ethereum/solidity/issues/4637
        uint256 _value; // default: 0
    }

    function current(Counter storage counter) internal view returns (uint256) {
        return counter._value;
    }

    function increment(Counter storage counter) internal {
        unchecked {
            counter._value += 1;
        }
    }

    function decrement(Counter storage counter) internal {
        uint256 value = counter._value;
        require(value > 0, "Counter: decrement overflow");
        unchecked {
            counter._value = value - 1;
        }
    }

    function reset(Counter storage counter) internal {
        counter._value = 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// 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/Strings.sol)

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library Strings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.
     */
    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {
        bytes memory buffer = new bytes(2 * length + 2);
        buffer[0] = "0";
        buffer[1] = "x";
        for (uint256 i = 2 * length + 1; i > 1; --i) {
            buffer[i] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity 0.8.7;

interface IAbstractRewards {
    /**
     * @dev Returns the total amount of rewards a given address is able to withdraw.
     * @param account Address of a reward recipient
     * @return A uint256 representing the rewards `account` can withdraw
     */
    function withdrawableRewardsOf(address account)
        external
        view
        returns (uint256);

    /**
     * @dev View the amount of funds that an address has withdrawn.
     * @param account The address of a token holder.
     * @return The amount of funds that `account` has withdrawn.
     */
    function withdrawnRewardsOf(address account)
        external
        view
        returns (uint256);

    /**
     * @dev View the amount of funds that an address has earned in total.
     * accumulativeFundsOf(account) = withdrawableRewardsOf(account) + withdrawnRewardsOf(account)
     * = (pointsPerShare * balanceOf(account) + pointsCorrection[account]) / POINTS_MULTIPLIER
     * @param account The address of a token holder.
     * @return The amount of funds that `account` has earned in total.
     */
    function cumulativeRewardsOf(address account)
        external
        view
        returns (uint256);

    /**
     * @dev This event emits when new funds are distributed
     * @param by the address of the sender who distributed funds
     * @param rewardsDistributed the amount of funds received for distribution
     */
    event RewardsDistributed(address indexed by, uint256 rewardsDistributed);

    /**
     * @dev This event emits when distributed funds are withdrawn by a token holder.
     * @param by the address of the receiver of funds
     * @param fundsWithdrawn the amount of funds that were withdrawn
     */
    event RewardsWithdrawn(address indexed by, uint256 fundsWithdrawn);
}

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

pragma solidity ^0.8.0;

import "./IAccessControlEnumerable.sol";
import "./AccessControl.sol";
import "../utils/structs/EnumerableSet.sol";

/**
 * @dev Extension of {AccessControl} that allows enumerating the members of each role.
 */
abstract contract AccessControlEnumerable is IAccessControlEnumerable, AccessControl {
    using EnumerableSet for EnumerableSet.AddressSet;

    mapping(bytes32 => EnumerableSet.AddressSet) private _roleMembers;

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControlEnumerable).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) public view virtual override returns (address) {
        return _roleMembers[role].at(index);
    }

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) public view virtual override returns (uint256) {
        return _roleMembers[role].length();
    }

    /**
     * @dev Overload {_grantRole} to track enumerable memberships
     */
    function _grantRole(bytes32 role, address account) internal virtual override {
        super._grantRole(role, account);
        _roleMembers[role].add(account);
    }

    /**
     * @dev Overload {_revokeRole} to track enumerable memberships
     */
    function _revokeRole(bytes32 role, address account) internal virtual override {
        super._revokeRole(role, account);
        _roleMembers[role].remove(account);
    }
}

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

pragma solidity ^0.8.0;

import "./IAccessControl.sol";

/**
 * @dev External interface of AccessControlEnumerable declared to support ERC165 detection.
 */
interface IAccessControlEnumerable is IAccessControl {
    /**
     * @dev Returns one of the accounts that have `role`. `index` must be a
     * value between 0 and {getRoleMemberCount}, non-inclusive.
     *
     * Role bearers are not sorted in any particular way, and their ordering may
     * change at any point.
     *
     * WARNING: When using {getRoleMember} and {getRoleMemberCount}, make sure
     * you perform all queries on the same block. See the following
     * https://forum.openzeppelin.com/t/iterating-over-elements-on-enumerableset-in-openzeppelin-contracts/2296[forum post]
     * for more information.
     */
    function getRoleMember(bytes32 role, uint256 index) external view returns (address);

    /**
     * @dev Returns the number of accounts that have `role`. Can be used
     * together with {getRoleMember} to enumerate all bearers of a role.
     */
    function getRoleMemberCount(bytes32 role) external view returns (uint256);
}

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

pragma solidity ^0.8.0;

import "./IAccessControl.sol";
import "../utils/Context.sol";
import "../utils/Strings.sol";
import "../utils/introspection/ERC165.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControl is Context, IAccessControl, ERC165 {
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role, _msgSender());
        _;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
        return _roles[role].members[account];
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view virtual {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        Strings.toHexString(uint160(account), 20),
                        " is missing role ",
                        Strings.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been revoked `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     *
     * NOTE: This function is deprecated in favor of {_grantRole}.
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        bytes32 previousAdminRole = getRoleAdmin(role);
        _roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * Internal function without access restriction.
     */
    function _grantRole(bytes32 role, address account) internal virtual {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * Internal function without access restriction.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}

// 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;
    }
}

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

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"string","name":"_name","type":"string"},{"internalType":"string","name":"_symbol","type":"string"},{"internalType":"address","name":"_depositToken","type":"address"},{"internalType":"address","name":"_rewardToken","type":"address"},{"internalType":"uint256","name":"_maxBonus","type":"uint256"},{"internalType":"uint256","name":"_maxLockDuration","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"delegator","type":"address"},{"indexed":true,"internalType":"address","name":"fromDelegate","type":"address"},{"indexed":true,"internalType":"address","name":"toDelegate","type":"address"}],"name":"DelegateChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"delegate","type":"address"},{"indexed":false,"internalType":"uint256","name":"previousBalance","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newBalance","type":"uint256"}],"name":"DelegateVotesChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"duration","type":"uint256"},{"indexed":true,"internalType":"address","name":"receiver","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"}],"name":"Deposited","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_from","type":"address"},{"indexed":true,"internalType":"address","name":"_receiver","type":"address"},{"indexed":false,"internalType":"uint256","name":"_escrowedAmount","type":"uint256"}],"name":"RewardsClaimed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"by","type":"address"},{"indexed":false,"internalType":"uint256","name":"rewardsDistributed","type":"uint256"}],"name":"RewardsDistributed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"by","type":"address"},{"indexed":false,"internalType":"uint256","name":"fundsWithdrawn","type":"uint256"}],"name":"RewardsWithdrawn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"by","type":"address"},{"indexed":true,"internalType":"address","name":"receiver","type":"address"},{"indexed":true,"internalType":"address","name":"token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"TokenSaved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"depositId","type":"uint256"},{"indexed":true,"internalType":"address","name":"receiver","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Withdrawn","type":"event"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DOMAIN_SEPARATOR","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MIN_LOCK_DURATION","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"POINTS_MULTIPLIER","outputs":[{"internalType":"uint128","name":"","type":"uint128"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"REWARD_DISTRIBUTOR_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"TOKEN_SAVER_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint32","name":"pos","type":"uint32"}],"name":"checkpoints","outputs":[{"components":[{"internalType":"uint32","name":"fromBlock","type":"uint32"},{"internalType":"uint224","name":"votes","type":"uint224"}],"internalType":"struct ERC20Votes.Checkpoint","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_receiver","type":"address"}],"name":"claimRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"cumulativeRewardsOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"delegatee","type":"address"}],"name":"delegate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"delegatee","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"delegateBySig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"delegates","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_duration","type":"uint256"},{"internalType":"address","name":"_receiver","type":"address"}],"name":"deposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"depositToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint256","name":"","type":"uint256"}],"name":"depositsOf","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint64","name":"start","type":"uint64"},{"internalType":"uint64","name":"end","type":"uint64"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"distributeRewards","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"getDepositsOf","outputs":[{"components":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint64","name":"start","type":"uint64"},{"internalType":"uint64","name":"end","type":"uint64"}],"internalType":"struct TimeLockPool.Deposit[]","name":"","type":"tuple[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"getDepositsOfLength","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_lockDuration","type":"uint256"}],"name":"getMultiplier","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"blockNumber","type":"uint256"}],"name":"getPastTotalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"blockNumber","type":"uint256"}],"name":"getPastVotes","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getRoleMember","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleMemberCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"getTotalDeposit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"getVotes","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"maxBonus","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxLockDuration","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"numCheckpoints","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","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":"permit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"pointsCorrection","outputs":[{"internalType":"int256","name":"","type":"int256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pointsPerShare","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rewardToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_receiver","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"saveToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_depositId","type":"uint256"},{"internalType":"address","name":"_receiver","type":"address"}],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"withdrawableRewardsOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"withdrawnRewards","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_account","type":"address"}],"name":"withdrawnRewardsOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"}]

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

-----Decoded View---------------
Arg [0] : _name (string): Staked CTZN
Arg [1] : _symbol (string): SCTZN
Arg [2] : _depositToken (address): 0xA803778AB953d3FfE4FBD20Cfa0042eCeFE8319D
Arg [3] : _rewardToken (address): 0xA803778AB953d3FfE4FBD20Cfa0042eCeFE8319D
Arg [4] : _maxBonus (uint256): 1000000000000000000
Arg [5] : _maxLockDuration (uint256): 23587200

-----Encoded View---------------
10 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000100
Arg [2] : 000000000000000000000000a803778ab953d3ffe4fbd20cfa0042ecefe8319d
Arg [3] : 000000000000000000000000a803778ab953d3ffe4fbd20cfa0042ecefe8319d
Arg [4] : 0000000000000000000000000000000000000000000000000de0b6b3a7640000
Arg [5] : 000000000000000000000000000000000000000000000000000000000167e980
Arg [6] : 000000000000000000000000000000000000000000000000000000000000000b
Arg [7] : 5374616b65642043545a4e000000000000000000000000000000000000000000
Arg [8] : 0000000000000000000000000000000000000000000000000000000000000005
Arg [9] : 5343545a4e000000000000000000000000000000000000000000000000000000