Token

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: Apache-2.0
pragma solidity ^0.8.9;

// import "hardhat/console.sol";

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/utils/math/Math.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import '@uniswap/v2-core/contracts/interfaces/IUniswapV2Pair.sol';
import '@uniswap/v2-periphery/contracts/interfaces/IUniswapV2Router02.sol';

import "./interfaces/IRewardBooster.sol";
import "../lib/CurrencyTransferLib.sol";

contract esLSD is Ownable, ReentrancyGuard, ERC20("esLSD Token", "esLSD") {
  using Address for address;
  using SafeMath for uint256;
  using SafeERC20 for IERC20;

  address public rewardBooster;
  IERC20 public immutable lsdToken;

  IUniswapV2Router02 public uniswapV2Router;
  IUniswapV2Pair public lsdEthPair;

  uint256 public vestingPeriod = 90 days;

  mapping(address => VestingInfo) public userVestings; // User's vesting instances

  struct VestingInfo {
    uint256 amount;
    uint256 startTime;
    uint256 endTime;
  }

  constructor(address _lsdToken, address _uniswapV2Router, address _lsdEthPair) Ownable() {
    require(_lsdToken != address(0), "Zero address detected");
    require(_uniswapV2Router != address(0), "Zero address detected");
    require(_lsdEthPair != address(0), "Zero address detected");

    lsdToken = IERC20(_lsdToken);
    uniswapV2Router = IUniswapV2Router02(_uniswapV2Router);
    lsdEthPair = IUniswapV2Pair(_lsdEthPair);
  }

  receive() external payable virtual {}

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

  /**
   * @dev Escrow $LSD tokens to get $esLSD tokens
   * @param amount Amount of $LSD to escrow
   */
  function escrow(uint256 amount) external nonReentrant {
    require(amount > 0, "Amount must be greater than 0");

    lsdToken.safeTransferFrom(_msgSender(), address(this), amount);
    _mint(_msgSender(), amount);

    emit Escrow(_msgSender(), amount);
  }

  /**
   * @dev Withdraw unlocked $LSD tokens if there are ongoing redeems
   */
  function claim() external nonReentrant {
    VestingInfo storage vestingInfo = userVestings[_msgSender()];
    require(vestingInfo.amount > 0, "No tokens to claim");
    require(block.timestamp >= vestingInfo.startTime, "Vesting not started");

    uint256 unlocked = 0;
    if (block.timestamp >= vestingInfo.endTime) {
      unlocked = vestingInfo.amount;
      delete userVestings[_msgSender()];
    }
    else {
      unlocked = vestingInfo.amount.mul(block.timestamp.sub(vestingInfo.startTime)).div(vestingInfo.endTime.sub(vestingInfo.startTime));
      vestingInfo.amount = vestingInfo.amount.sub(unlocked);
      vestingInfo.startTime = block.timestamp;
    }

    if (unlocked > 0) {
      lsdToken.safeTransfer(_msgSender(), unlocked);
      _burn(address(this), unlocked);
      emit Claim(_msgSender(), unlocked);
    }
  }

  /**
   * @dev Vest $LSD tokens from $esLSD tokens
   * @param amount Amount of $esLSD to vest
   */ 
  function vest(uint256 amount) external nonReentrant {
    require(amount > 0, "Amount must be greater than 0");
    require(amount <= balanceOf(_msgSender()), "Vest amount exceeds balance");

    _transfer(_msgSender(), address(this), amount);

    VestingInfo storage vestingInfo = userVestings[msg.sender];
    uint256 accruedAmount = amount;
    uint256 unlocked = 0;
    // Case 1: No ongoing vesting
    if (vestingInfo.amount == 0) {

    }
    // Case 2: Ongoing vesting
    else {
      require(block.timestamp >= vestingInfo.startTime, "Vesting not started");
      // Case 2.1: Ongoing vesting, all vested
      if (block.timestamp >= vestingInfo.endTime) {
        unlocked = vestingInfo.amount;
      }
      // Case 2.2: Ongoing vesting, partial vested
      else {
        unlocked = vestingInfo.amount.mul(block.timestamp.sub(vestingInfo.startTime)).div(vestingInfo.endTime.sub(vestingInfo.startTime));
        accruedAmount = accruedAmount.add(vestingInfo.amount).sub(unlocked);
      }
    }

    if (unlocked > 0) {
      lsdToken.safeTransfer(_msgSender(), unlocked);
      _burn(address(this), unlocked);
      emit Claim(_msgSender(), unlocked);
    }

    vestingInfo.amount = accruedAmount;
    vestingInfo.startTime = block.timestamp;
    vestingInfo.endTime = block.timestamp.add(vestingPeriod);
    emit Vest(_msgSender(), amount, vestingInfo.amount, vestingPeriod);
  }

  function zapVest() external payable nonReentrant {
    require(msg.value > 0, "Zero paired ETH amount");
    require(rewardBooster != address(0), "Reward booster not set");
    IRewardBooster(rewardBooster).assertStakeCount(_msgSender());

    VestingInfo storage vestingInfo = userVestings[_msgSender()];
    require(vestingInfo.amount > 0, "No tokens to claim");
    require(block.timestamp >= vestingInfo.startTime, "Vesting not started");

    uint256 unlocked = 0;
    uint256 zapAmount = 0;
    if (block.timestamp >= vestingInfo.endTime) {
      unlocked = vestingInfo.amount;
    }
    else {
      unlocked = vestingInfo.amount.mul(block.timestamp.sub(vestingInfo.startTime)).div(vestingInfo.endTime.sub(vestingInfo.startTime));
      zapAmount = vestingInfo.amount.sub(unlocked);
    }
    require(zapAmount > 0, "No unlocked tokens to zap vest");

    if (unlocked > 0) {
      lsdToken.safeTransfer(_msgSender(), unlocked);
      _burn(address(this), unlocked);
      emit Claim(_msgSender(), unlocked);
    }

    _burn(address(this), zapAmount);
    lsdToken.approve(address(uniswapV2Router), zapAmount);
    (uint256 amountLSD, uint256 amountETH, uint256 amountLP) = uniswapV2Router.addLiquidityETH{value: msg.value}(address(lsdToken), zapAmount, zapAmount, 0, address(this), block.timestamp);
    require(amountLSD == zapAmount, "Incorrect amount of LSD tokens");
    if (msg.value > amountETH) {
      CurrencyTransferLib.transferCurrency(CurrencyTransferLib.NATIVE_TOKEN, address(this), _msgSender(), msg.value.sub(amountETH));
    }

    lsdEthPair.approve(rewardBooster, amountLP);
    IRewardBooster(rewardBooster).delegateZapStake(_msgSender(), amountLP);
    emit ZapVest(_msgSender(), zapAmount);

    delete userVestings[_msgSender()];
  }


  /********************************************/
  /*********** RESTRICTED FUNCTIONS ***********/
  /********************************************/
  function setRewardBooster(address _rewardBooster) external onlyOwner {
    require(_rewardBooster != address(0), "Zero address detected");
    rewardBooster = _rewardBooster;
  }


  /**************************************************/
  /****************** PUBLIC VIEWS ******************/
  /**************************************************/

  /**
   * @dev Query the amount of $LSD tokens that can be redeemed
   * @param account Account to query
   */
  function claimableAmount(address account) public view returns (uint256) {
    require(account != address(0), "Zero address detected");

    VestingInfo memory vestingInfo = userVestings[account];
    if (vestingInfo.amount == 0) {
      return 0;
    }

    require(block.timestamp >= vestingInfo.startTime, "Vesting not started");
    if (block.timestamp >= vestingInfo.endTime) {
      return vestingInfo.amount;
    }
    else {
      return vestingInfo.amount.mul(block.timestamp.sub(vestingInfo.startTime)).div(vestingInfo.endTime.sub(vestingInfo.startTime));
    }
  }

  /********************************************/
  /****************** EVENTS ******************/
  /********************************************/

  event Escrow(address indexed userAddress, uint256 amount);
  event Claim(address indexed userAddress, uint256 amount);
  event Vest(address indexed userAddress, uint256 amount, uint256 accruedAmount, uint256 period);
  event ZapVest(address indexed userAddress, uint256 amount);
}

// 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 IERC20PermitUpgradeable {
    /**
     * @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 v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20Upgradeable {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev 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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20Upgradeable.sol";
import "../extensions/draft-IERC20PermitUpgradeable.sol";
import "../../../utils/AddressUpgradeable.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 SafeERC20Upgradeable {
    using AddressUpgradeable for address;

    function safeTransfer(
        IERC20Upgradeable token,
        address to,
        uint256 value
    ) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(
        IERC20Upgradeable 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(
        IERC20Upgradeable 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(
        IERC20Upgradeable 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(
        IERC20Upgradeable 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));
        }
    }

    function safePermit(
        IERC20PermitUpgradeable token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @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(IERC20Upgradeable token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library AddressUpgradeable {
    /**
     * @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 functionCallWithValue(target, data, 0, "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");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or 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 {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // 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
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

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

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

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

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

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

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

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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.openzeppelin.com/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, allowance(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 = allowance(owner, spender);
        require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
        unchecked {
            _approve(owner, spender, currentAllowance - subtractedValue);
        }

        return true;
    }

    /**
     * @dev Moves `amount` of tokens from `from` to `to`.
     *
     * 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;
            // Overflow not possible: the sum of all balances is capped by totalSupply, and the sum is preserved by
            // decrementing then incrementing.
            _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;
        unchecked {
            // Overflow not possible: balance + amount is at most totalSupply + amount, which is checked above.
            _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;
            // Overflow not possible: amount <= accountBalance <= totalSupply.
            _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 Updates `owner` s allowance for `spender` based on spent `amount`.
     *
     * 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 (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 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 (last updated v4.6.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev 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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/draft-IERC20Permit.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));
        }
    }

    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) {
            // Return data is optional
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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 functionCallWithValue(target, data, 0, "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");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or 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 {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // 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
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

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

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library Math {
    enum Rounding {
        Down, // Toward negative infinity
        Up, // Toward infinity
        Zero // Toward zero
    }

    /**
     * @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 == 0 ? 0 : (a - 1) / b + 1;
    }

    /**
     * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or denominator == 0
     * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv)
     * with further edits by Uniswap Labs also under MIT license.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator
    ) internal pure returns (uint256 result) {
        unchecked {
            // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
            // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
            // variables such that product = prod1 * 2^256 + prod0.
            uint256 prod0; // Least significant 256 bits of the product
            uint256 prod1; // Most significant 256 bits of the product
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }

            // Handle non-overflow cases, 256 by 256 division.
            if (prod1 == 0) {
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1);

            ///////////////////////////////////////////////
            // 512 by 256 division.
            ///////////////////////////////////////////////

            // Make division exact by subtracting the remainder from [prod1 prod0].
            uint256 remainder;
            assembly {
                // Compute remainder using mulmod.
                remainder := mulmod(x, y, denominator)

                // Subtract 256 bit number from 512 bit number.
                prod1 := sub(prod1, gt(remainder, prod0))
                prod0 := sub(prod0, remainder)
            }

            // Factor powers of two out of denominator and compute largest power of two divisor of denominator. Always >= 1.
            // See https://cs.stackexchange.com/q/138556/92363.

            // Does not overflow because the denominator cannot be zero at this stage in the function.
            uint256 twos = denominator & (~denominator + 1);
            assembly {
                // Divide denominator by twos.
                denominator := div(denominator, twos)

                // Divide [prod1 prod0] by twos.
                prod0 := div(prod0, twos)

                // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
                twos := add(div(sub(0, twos), twos), 1)
            }

            // Shift in bits from prod1 into prod0.
            prod0 |= prod1 * twos;

            // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
            // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
            // four bits. That is, denominator * inv = 1 mod 2^4.
            uint256 inverse = (3 * denominator) ^ 2;

            // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also works
            // in modular arithmetic, doubling the correct bits in each step.
            inverse *= 2 - denominator * inverse; // inverse mod 2^8
            inverse *= 2 - denominator * inverse; // inverse mod 2^16
            inverse *= 2 - denominator * inverse; // inverse mod 2^32
            inverse *= 2 - denominator * inverse; // inverse mod 2^64
            inverse *= 2 - denominator * inverse; // inverse mod 2^128
            inverse *= 2 - denominator * inverse; // inverse mod 2^256

            // Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
            // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
            // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
            // is no longer required.
            result = prod0 * inverse;
            return result;
        }
    }

    /**
     * @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
     */
    function mulDiv(
        uint256 x,
        uint256 y,
        uint256 denominator,
        Rounding rounding
    ) internal pure returns (uint256) {
        uint256 result = mulDiv(x, y, denominator);
        if (rounding == Rounding.Up && mulmod(x, y, denominator) > 0) {
            result += 1;
        }
        return result;
    }

    /**
     * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded down.
     *
     * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
     */
    function sqrt(uint256 a) internal pure returns (uint256) {
        if (a == 0) {
            return 0;
        }

        // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
        //
        // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
        // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
        //
        // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
        // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
        // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
        //
        // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
        uint256 result = 1 << (log2(a) >> 1);

        // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
        // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
        // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
        // into the expected uint128 result.
        unchecked {
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            result = (result + a / result) >> 1;
            return min(result, a / result);
        }
    }

    /**
     * @notice Calculates sqrt(a), following the selected rounding direction.
     */
    function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = sqrt(a);
            return result + (rounding == Rounding.Up && result * result < a ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 2, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 128;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 64;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 32;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 16;
            }
            if (value >> 8 > 0) {
                value >>= 8;
                result += 8;
            }
            if (value >> 4 > 0) {
                value >>= 4;
                result += 4;
            }
            if (value >> 2 > 0) {
                value >>= 2;
                result += 2;
            }
            if (value >> 1 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 2, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log2(value);
            return result + (rounding == Rounding.Up && 1 << result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 10, rounded down, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >= 10**64) {
                value /= 10**64;
                result += 64;
            }
            if (value >= 10**32) {
                value /= 10**32;
                result += 32;
            }
            if (value >= 10**16) {
                value /= 10**16;
                result += 16;
            }
            if (value >= 10**8) {
                value /= 10**8;
                result += 8;
            }
            if (value >= 10**4) {
                value /= 10**4;
                result += 4;
            }
            if (value >= 10**2) {
                value /= 10**2;
                result += 2;
            }
            if (value >= 10**1) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log10(value);
            return result + (rounding == Rounding.Up && 10**result < value ? 1 : 0);
        }
    }

    /**
     * @dev Return the log in base 256, rounded down, of a positive value.
     * Returns 0 if given 0.
     *
     * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
     */
    function log256(uint256 value) internal pure returns (uint256) {
        uint256 result = 0;
        unchecked {
            if (value >> 128 > 0) {
                value >>= 128;
                result += 16;
            }
            if (value >> 64 > 0) {
                value >>= 64;
                result += 8;
            }
            if (value >> 32 > 0) {
                value >>= 32;
                result += 4;
            }
            if (value >> 16 > 0) {
                value >>= 16;
                result += 2;
            }
            if (value >> 8 > 0) {
                result += 1;
            }
        }
        return result;
    }

    /**
     * @dev Return the log in base 10, following the selected rounding direction, of a positive value.
     * Returns 0 if given 0.
     */
    function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
        unchecked {
            uint256 result = log256(value);
            return result + (rounding == Rounding.Up && 1 << (result * 8) < value ? 1 : 0);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (utils/math/SafeMath.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return a - b;
    }

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

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

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

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

    /**
     * @dev Returns the integer division of two unsigned integers, reverting with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(
        uint256 a,
        uint256 b,
        string memory errorMessage
    ) internal pure returns (uint256) {
        unchecked {
            require(b > 0, errorMessage);
            return a / b;
        }
    }

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

pragma solidity >=0.5.0;

interface IUniswapV2Pair {
    event Approval(address indexed owner, address indexed spender, uint value);
    event Transfer(address indexed from, address indexed to, uint value);

    function name() external pure returns (string memory);
    function symbol() external pure returns (string memory);
    function decimals() external pure returns (uint8);
    function totalSupply() external view returns (uint);
    function balanceOf(address owner) external view returns (uint);
    function allowance(address owner, address spender) external view returns (uint);

    function approve(address spender, uint value) external returns (bool);
    function transfer(address to, uint value) external returns (bool);
    function transferFrom(address from, address to, uint value) external returns (bool);

    function DOMAIN_SEPARATOR() external view returns (bytes32);
    function PERMIT_TYPEHASH() external pure returns (bytes32);
    function nonces(address owner) external view returns (uint);

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

    event Mint(address indexed sender, uint amount0, uint amount1);
    event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
    event Swap(
        address indexed sender,
        uint amount0In,
        uint amount1In,
        uint amount0Out,
        uint amount1Out,
        address indexed to
    );
    event Sync(uint112 reserve0, uint112 reserve1);

    function MINIMUM_LIQUIDITY() external pure returns (uint);
    function factory() external view returns (address);
    function token0() external view returns (address);
    function token1() external view returns (address);
    function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
    function price0CumulativeLast() external view returns (uint);
    function price1CumulativeLast() external view returns (uint);
    function kLast() external view returns (uint);

    function mint(address to) external returns (uint liquidity);
    function burn(address to) external returns (uint amount0, uint amount1);
    function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
    function skim(address to) external;
    function sync() external;

    function initialize(address, address) external;
}

pragma solidity >=0.6.2;

interface IUniswapV2Router01 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB, uint liquidity);
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETH(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountToken, uint amountETH);
    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETHWithPermit(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountToken, uint amountETH);
    function swapExactTokensForTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapTokensForExactTokens(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);
    function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);

    function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
    function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
    function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
    function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
    function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}

pragma solidity >=0.6.2;

import './IUniswapV2Router01.sol';

interface IUniswapV2Router02 is IUniswapV2Router01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountETH);
    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable;
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.9;

interface IRewardBooster {
  function assertStakeCount(address user) external view;
  function delegateZapStake(address user, uint256 amount) external;
  function getUserBoostRate(address user, uint256 ethxAmount) external view returns (uint256);
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.9;

import "@openzeppelin/contracts-upgradeable/token/ERC20/utils/SafeERC20Upgradeable.sol";

library CurrencyTransferLib {
  using SafeERC20Upgradeable for IERC20Upgradeable;

  /// @dev The address interpreted as native token of the chain.
  address public constant NATIVE_TOKEN = 0x0000000000000000000000000000000000000000;

  /// @dev Transfers a given amount of currency.
  function transferCurrency(
    address currency,
    address from,
    address to,
    uint256 amount
  ) internal {
    if (amount == 0) {
      return;
    }

    if (currency == NATIVE_TOKEN) {
      safeTransferNativeToken(to, amount);
    } else {
      safeTransferERC20(currency, from, to, amount);
    }
  }

  /// @dev Transfers `amount` of native token to `to`.
  function safeTransferNativeToken(address to, uint256 value) internal {
    // solhint-disable avoid-low-level-calls
    // slither-disable-next-line low-level-calls
    (bool success, ) = to.call{ value: value }("");
    require(success, "Native token transfer failed");
  }

  /// @dev Transfer `amount` of ERC20 token from `from` to `to`.
  function safeTransferERC20(
    address currency,
    address from,
    address to,
    uint256 amount
  ) internal {
    if (from == to) {
      return;
    }

    if (from == address(this)) {
      IERC20Upgradeable(currency).safeTransfer(to, amount);
    } else {
      IERC20Upgradeable(currency).safeTransferFrom(from, to, amount);
    }
  }
}

{
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 590
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"_lsdToken","type":"address"},{"internalType":"address","name":"_uniswapV2Router","type":"address"},{"internalType":"address","name":"_lsdEthPair","type":"address"}],"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":"userAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Claim","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"userAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Escrow","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":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":"address","name":"userAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"accruedAmount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"period","type":"uint256"}],"name":"Vest","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"userAddress","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"ZapVest","type":"event"},{"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":[],"name":"claim","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"claimableAmount","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":"uint256","name":"amount","type":"uint256"}],"name":"escrow","outputs":[],"stateMutability":"nonpayable","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":"lsdEthPair","outputs":[{"internalType":"contract IUniswapV2Pair","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"lsdToken","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rewardBooster","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_rewardBooster","type":"address"}],"name":"setRewardBooster","outputs":[],"stateMutability":"nonpayable","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":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"uniswapV2Router","outputs":[{"internalType":"contract IUniswapV2Router02","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"userVestings","outputs":[{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"startTime","type":"uint256"},{"internalType":"uint256","name":"endTime","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"vest","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"vestingPeriod","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"zapVest","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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

000000000000000000000000fac77a24e52b463ba9857d6b758ba41ae20e31ff0000000000000000000000007a250d5630b4cf539739df2c5dacb4c659f2488d0000000000000000000000003322f41dfa379b6d3050c1e271b0b435b3ee3303

-----Decoded View---------------
Arg [0] : _lsdToken (address): 0xfAC77A24E52B463bA9857d6b758ba41aE20e31FF
Arg [1] : _uniswapV2Router (address): 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
Arg [2] : _lsdEthPair (address): 0x3322f41dfa379B6D3050C1e271B0b435b3Ee3303

-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 000000000000000000000000fac77a24e52b463ba9857d6b758ba41ae20e31ff
Arg [1] : 0000000000000000000000007a250d5630b4cf539739df2c5dacb4c659f2488d
Arg [2] : 0000000000000000000000003322f41dfa379b6d3050c1e271b0b435b3ee3303