Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity 0.8.20;

import {Initializable} from "lib/openzeppelin-contracts-upgradeable/contracts/proxy/utils/Initializable.sol";
import {ReentrancyGuardUpgradeable} from "lib/openzeppelin-contracts-upgradeable/contracts/security/ReentrancyGuardUpgradeable.sol";
import {OwnableUpgradeable} from "lib/openzeppelin-contracts-upgradeable/contracts/access/OwnableUpgradeable.sol";
import {ECDSAUpgradeable} from "lib/openzeppelin-contracts-upgradeable/contracts/utils/cryptography/ECDSAUpgradeable.sol";

/// @title Reserve Contract for Tinfun
/// @author Ji Le
/// @notice Receive and refund ETH for Tinfun Public Sale
/// @dev This contract is used for Tinfun Reserve
contract TinfunReserve is
    Initializable,
    OwnableUpgradeable,
    ReentrancyGuardUpgradeable
{
    using ECDSAUpgradeable for bytes32;

    enum ReserveStage {
        Prepare,
        Reserve,
        Refund
    }

    uint256 public constant MAX_RESERVE_VALUE = 1000 ether;

    address public signer;

    address public guardian;

    address public vault;

    uint256 public reservePrice;

    uint256 public totalRaisedAmount;

    uint256 public maxDepositAmount;

    ReserveStage public reserveStage;

    bool public withdrawStatus;

    mapping(address => bool) public refundStatus;
    mapping(address => uint256) public whitelistReserveBalances;
    mapping(address => uint256) public depositBalances;
    mapping(bytes32 => bool) public nonceUsed;

    event ReserveStageChanged(ReserveStage newStage);
    event WhitelistReserved(address indexed guest, uint256 amount);
    event PublicReserved(address indexed guest, uint256 amount);
    event Refunded(address indexed guest, uint256 amount);

    error OnlyEOA();
    error InvalidStage();
    error InvalidNonce();
    error InvalidValue();
    error InvalidAddress();
    error InvalidSignature();
    error InsufficientValue();
    error NotRefundable();
    error TransferFailed();
    error AlreadyReserved();
    error AlreadyRefunded();
    error AlreadyWithdrawn();
    error ExceedMaxDepositAmount();
    error ExceedMaxReserveValue();

    modifier onlyEOA() {
        if (msg.sender != tx.origin) revert OnlyEOA();
        _;
    }

    /// @custom:oz-upgrades-unsafe-allow constructor
    constructor() {
        _disableInitializers();
    }

    function initialize(
        address _signer,
        address _guardian,
        address _vault
    ) public initializer {
        ReentrancyGuardUpgradeable.__ReentrancyGuard_init();
        OwnableUpgradeable.__Ownable_init();

        if (
            _signer == address(0) ||
            _guardian == address(0) ||
            _vault == address(0)
        ) revert InvalidAddress();

        signer = _signer;
        guardian = _guardian;
        vault = _vault;
        reserveStage = ReserveStage.Prepare;
    }

    /// @notice Reserve Tinfun NFTs in Whitelist stage
    /// @dev emit WhitelistReserved event
    /// @dev revert if reserveStage is not Whitelist
    /// @dev revert if msg value is less than reservePrice * amount
    /// @dev revert if proof is invalid
    /// @param _guest The guest to reserve Tinfun NFTs for
    /// @param _amount The amount of Tinfun NFTs to reserve
    /// @param _nonce The nonce of the guest and amount
    /// @param _signature The signature of the guest and amount
    function whitelistReserve(
        address _guest,
        uint256 _amount,
        bytes32 _nonce,
        bytes calldata _signature
    ) external payable nonReentrant onlyEOA {
        if (reserveStage != ReserveStage.Reserve) revert InvalidStage();
        if (msg.value != reservePrice * _amount) revert InsufficientValue();
        if (whitelistReserveBalances[_guest] > 0) revert AlreadyReserved();

        _verifyProof(signer, _guest, _amount, _nonce, _signature);

        _reserve(true, _guest, msg.value);
    }

    /// @notice Reserve Tinfun NFTs in Public stage
    /// @dev emit PublicReserved event
    /// @dev revert if reserveStage is not Public
    /// @dev revert if msg value is less than reservePrice * amount
    /// @param _guest The guest to reserve Tinfun NFTs for
    /// @param _amount The amount of Tinfun NFTs to reserve
    /// @param _nonce The nonce of the guest and amount
    /// @param _signature The signature of the guest and amount
    function publicReserve(
        address _guest,
        uint256 _amount,
        bytes32 _nonce,
        bytes calldata _signature
    ) external payable nonReentrant onlyEOA {
        if (reserveStage != ReserveStage.Reserve) revert InvalidStage();
        if (msg.value > maxDepositAmount) revert ExceedMaxDepositAmount();
        if (msg.value != reservePrice * _amount) revert InsufficientValue();
        if (depositBalances[_guest] > 0) revert AlreadyReserved();

        _verifyProof(guardian, _guest, _amount, _nonce, _signature);

        _reserve(false, _guest, msg.value);
    }

    /// @notice Refund ETH to guest
    /// @dev emit Refunded event
    /// @dev revert if reserveStage is not Refund
    /// @dev revert if guest has already been refunded
    /// @dev revert if proof is invalid
    /// @param _guest The guest to refund ETH to
    /// @param _refundAmount The amount of ETH to refund
    /// @param _nonce The nonce of the guest and refundAmount
    /// @param _signature The signature of the guest and refundAmount
    function refund(
        address _guest,
        uint256 _refundAmount,
        bytes32 _nonce,
        bytes calldata _signature
    ) external nonReentrant onlyEOA {
        if (reserveStage != ReserveStage.Refund) revert NotRefundable();
        if (refundStatus[_guest]) revert AlreadyRefunded();
        if (_refundAmount > depositBalances[_guest]) revert InsufficientValue();

        _verifyProof(signer, _guest, _refundAmount, _nonce, _signature);

        _refund(_guest, _refundAmount);
    }

    /// @notice set signer who can sign proof
    /// @dev revert if msg sender is not owner
    /// @param _signer The signer to set
    function setSigner(address _signer) external onlyOwner {
        if (_signer == address(0)) revert InvalidAddress();
        signer = _signer;
    }

    /// @notice set vault address
    /// @dev revert if msg sender is not owner
    /// @param _vault The vault to set
    function setVault(address _vault) external onlyOwner {
        if (_vault == address(0)) revert InvalidAddress();
        vault = _vault;
    }

    /// @notice set reserve price
    /// @dev revert if msg sender is not owner
    /// @param _reservePrice The reserve price to set
    function setReservePrice(uint256 _reservePrice) external onlyOwner {
        if (_reservePrice == 0) revert InvalidValue();
        reservePrice = _reservePrice;
    }

    /// @notice set reserve stage
    /// @dev revert if msg sender is not owner
    /// @param _reserveStage The reserve stage to set
    function setReserveStage(ReserveStage _reserveStage) external onlyOwner {
        reserveStage = _reserveStage;
        emit ReserveStageChanged(_reserveStage);
    }

    /// @notice set totalRaisedAmount
    /// @dev revert if msg sender is not owner
    /// @dev revert if _totalRaisedAmount is greater than MAX_RESERVE_VALUE
    /// @param _totalRaisedAmount The totalRaisedAmount to set
    function setTotalRaisedAmount(
        uint256 _totalRaisedAmount
    ) external onlyOwner {
        if (_totalRaisedAmount > MAX_RESERVE_VALUE)
            revert ExceedMaxReserveValue();
        totalRaisedAmount = _totalRaisedAmount;
    }

    /// @notice set guardian
    /// @dev revert if msg sender is not owner
    /// @param _guardian The guardian to set
    function setGuardian(address _guardian) external onlyOwner {
        if (_guardian == address(0)) revert InvalidAddress();
        guardian = _guardian;
    }

    /// @notice set maxDepositAmount
    /// @dev revert if msg sender is not owner
    /// @param _maxDepositAmount The maxDepositAmount to set
    function setMaxDepositAmount(uint256 _maxDepositAmount) external onlyOwner {
        if (_maxDepositAmount == 0) revert InvalidValue();
        maxDepositAmount = _maxDepositAmount;
    }

    /// @notice Withdraw ETH to vault
    /// @dev revert if msg sender is not owner
    /// @dev revert if reserveStage is not Refund
    /// @dev revert if withdrawStatus is true, which means already withdrawn
    function withdraw() external onlyOwner {
        if (reserveStage != ReserveStage.Refund) revert InvalidStage();
        if (totalRaisedAmount > address(this).balance)
            revert InsufficientValue();
        if (withdrawStatus) revert AlreadyWithdrawn();

        withdrawStatus = true;

        _transfer(vault, totalRaisedAmount);
    }

    /// @notice fallback function to revert any ETH transfer
    /// @dev this function is used to prevent ETH transfer to this contract
    /// @dev revert InvalidAddress
    fallback() external payable {
        revert InvalidAddress();
    }

    function _reserve(
        bool _isWhitelist,
        address _guest,
        uint256 _amount
    ) internal {
        if (_isWhitelist) {
            whitelistReserveBalances[_guest] += _amount;
            emit WhitelistReserved(_guest, _amount);
        } else {
            depositBalances[_guest] += _amount;
            emit PublicReserved(_guest, _amount);
        }
    }

    function _refund(address _guest, uint256 _amount) internal {
        refundStatus[_guest] = true;
        _transfer(_guest, _amount);
        emit Refunded(_guest, _amount);
    }

    function _transfer(address _account, uint256 _amount) internal {
        (bool success, ) = _account.call{value: _amount}("");
        if (!success) revert TransferFailed();
    }

    function _verifyProof(
        address _signer,
        address _guest,
        uint256 _amount,
        bytes32 _nonce,
        bytes calldata _signature
    ) internal {
        if (nonceUsed[_nonce]) revert InvalidNonce();

        nonceUsed[_nonce] = true;

        bytes32 ethSignedMessageHash = keccak256(
            abi.encodePacked(_guest, _amount, _nonce)
        ).toEthSignedMessageHash();

        address recoveredSigner = ethSignedMessageHash.recover(_signature);
        if (recoveredSigner != _signer) {
            revert InvalidSignature();
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/ContextUpgradeable.sol";
import {Initializable} from "../proxy/utils/Initializable.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 OwnableUpgradeable is Initializable, ContextUpgradeable {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    function __Ownable_init() internal onlyInitializing {
        __Ownable_init_unchained();
    }

    function __Ownable_init_unchained() internal onlyInitializing {
        _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. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling 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);
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.2;

import "../../utils/AddressUpgradeable.sol";

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since proxied contracts do not make use of a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```solidity
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 *
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     * @custom:oz-retyped-from bool
     */
    uint8 private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint8 version);

    /**
     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
     * `onlyInitializing` functions can be used to initialize parent contracts.
     *
     * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a
     * constructor.
     *
     * Emits an {Initialized} event.
     */
    modifier initializer() {
        bool isTopLevelCall = !_initializing;
        require(
            (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
            "Initializable: contract is already initialized"
        );
        _initialized = 1;
        if (isTopLevelCall) {
            _initializing = true;
        }
        _;
        if (isTopLevelCall) {
            _initializing = false;
            emit Initialized(1);
        }
    }

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * A reinitializer may be used after the original initialization step. This is essential to configure modules that
     * are added through upgrades and that require initialization.
     *
     * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
     * cannot be nested. If one is invoked in the context of another, execution will revert.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     *
     * WARNING: setting the version to 255 will prevent any future reinitialization.
     *
     * Emits an {Initialized} event.
     */
    modifier reinitializer(uint8 version) {
        require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
        _initialized = version;
        _initializing = true;
        _;
        _initializing = false;
        emit Initialized(version);
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} and {reinitializer} modifiers, directly or indirectly.
     */
    modifier onlyInitializing() {
        require(_initializing, "Initializable: contract is not initializing");
        _;
    }

    /**
     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
     * through proxies.
     *
     * Emits an {Initialized} event the first time it is successfully executed.
     */
    function _disableInitializers() internal virtual {
        require(!_initializing, "Initializable: contract is initializing");
        if (_initialized != type(uint8).max) {
            _initialized = type(uint8).max;
            emit Initialized(type(uint8).max);
        }
    }

    /**
     * @dev Returns the highest version that has been initialized. See {reinitializer}.
     */
    function _getInitializedVersion() internal view returns (uint8) {
        return _initialized;
    }

    /**
     * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
     */
    function _isInitializing() internal view returns (bool) {
        return _initializing;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @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 ReentrancyGuardUpgradeable is Initializable {
    // 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;

    function __ReentrancyGuard_init() internal onlyInitializing {
        __ReentrancyGuard_init_unchained();
    }

    function __ReentrancyGuard_init_unchained() internal onlyInitializing {
        _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;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == _ENTERED;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (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
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [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://consensys.net/diligence/blog/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/v0.8.0/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 (last updated v4.9.4) (utils/Context.sol)

pragma solidity ^0.8.0;
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @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 ContextUpgradeable is Initializable {
    function __Context_init() internal onlyInitializing {
    }

    function __Context_init_unchained() internal onlyInitializing {
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

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

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../StringsUpgradeable.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSAUpgradeable {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV // Deprecated in v4.8
    }

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

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

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

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

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

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

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

        return (signer, RecoverError.NoError);
    }

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

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32 message) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, "\x19Ethereum Signed Message:\n32")
            mstore(0x1c, hash)
            message := keccak256(0x00, 0x3c)
        }
    }

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

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 data) {
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(ptr, "\x19\x01")
            mstore(add(ptr, 0x02), domainSeparator)
            mstore(add(ptr, 0x22), structHash)
            data := keccak256(ptr, 0x42)
        }
    }

    /**
     * @dev Returns an Ethereum Signed Data with intended validator, created from a
     * `validator` and `data` according to the version 0 of EIP-191.
     *
     * See {recover}.
     */
    function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x00", validator, data));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/math/Math.sol)

pragma solidity ^0.8.0;

/**
 * @dev Standard math utilities missing in the Solidity language.
 */
library MathUpgradeable {
    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) {
                // Solidity will revert if denominator == 0, unlike the div opcode on its own.
                // The surrounding unchecked block does not change this fact.
                // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
                return prod0 / denominator;
            }

            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            require(denominator > prod1, "Math: mulDiv overflow");

            ///////////////////////////////////////////////
            // 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 256, 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 << 3) < value ? 1 : 0);
        }
    }
}

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

pragma solidity ^0.8.0;

/**
 * @dev Standard signed math utilities missing in the Solidity language.
 */
library SignedMathUpgradeable {
    /**
     * @dev Returns the largest of two signed numbers.
     */
    function max(int256 a, int256 b) internal pure returns (int256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two signed numbers.
     */
    function min(int256 a, int256 b) internal pure returns (int256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two signed numbers without overflow.
     * The result is rounded towards zero.
     */
    function average(int256 a, int256 b) internal pure returns (int256) {
        // Formula from the book "Hacker's Delight"
        int256 x = (a & b) + ((a ^ b) >> 1);
        return x + (int256(uint256(x) >> 255) & (a ^ b));
    }

    /**
     * @dev Returns the absolute unsigned value of a signed value.
     */
    function abs(int256 n) internal pure returns (uint256) {
        unchecked {
            // must be unchecked in order to support `n = type(int256).min`
            return uint256(n >= 0 ? n : -n);
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Strings.sol)

pragma solidity ^0.8.0;

import "./math/MathUpgradeable.sol";
import "./math/SignedMathUpgradeable.sol";

/**
 * @dev String operations.
 */
library StringsUpgradeable {
    bytes16 private constant _SYMBOLS = "0123456789abcdef";
    uint8 private constant _ADDRESS_LENGTH = 20;

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        unchecked {
            uint256 length = MathUpgradeable.log10(value) + 1;
            string memory buffer = new string(length);
            uint256 ptr;
            /// @solidity memory-safe-assembly
            assembly {
                ptr := add(buffer, add(32, length))
            }
            while (true) {
                ptr--;
                /// @solidity memory-safe-assembly
                assembly {
                    mstore8(ptr, byte(mod(value, 10), _SYMBOLS))
                }
                value /= 10;
                if (value == 0) break;
            }
            return buffer;
        }
    }

    /**
     * @dev Converts a `int256` to its ASCII `string` decimal representation.
     */
    function toString(int256 value) internal pure returns (string memory) {
        return string(abi.encodePacked(value < 0 ? "-" : "", toString(SignedMathUpgradeable.abs(value))));
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, MathUpgradeable.log256(value) + 1);
        }
    }

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

    /**
     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.
     */
    function toHexString(address addr) internal pure returns (string memory) {
        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);
    }

    /**
     * @dev Returns true if the two strings are equal.
     */
    function equal(string memory a, string memory b) internal pure returns (bool) {
        return keccak256(bytes(a)) == keccak256(bytes(b));
    }
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyRefunded","type":"error"},{"inputs":[],"name":"AlreadyReserved","type":"error"},{"inputs":[],"name":"AlreadyWithdrawn","type":"error"},{"inputs":[],"name":"ExceedMaxDepositAmount","type":"error"},{"inputs":[],"name":"ExceedMaxReserveValue","type":"error"},{"inputs":[],"name":"InsufficientValue","type":"error"},{"inputs":[],"name":"InvalidAddress","type":"error"},{"inputs":[],"name":"InvalidNonce","type":"error"},{"inputs":[],"name":"InvalidSignature","type":"error"},{"inputs":[],"name":"InvalidStage","type":"error"},{"inputs":[],"name":"InvalidValue","type":"error"},{"inputs":[],"name":"NotRefundable","type":"error"},{"inputs":[],"name":"OnlyEOA","type":"error"},{"inputs":[],"name":"TransferFailed","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint8","name":"version","type":"uint8"}],"name":"Initialized","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":"guest","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"PublicReserved","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"guest","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"Refunded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"enum TinfunReserve.ReserveStage","name":"newStage","type":"uint8"}],"name":"ReserveStageChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"guest","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"WhitelistReserved","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"MAX_RESERVE_VALUE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"depositBalances","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"guardian","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_signer","type":"address"},{"internalType":"address","name":"_guardian","type":"address"},{"internalType":"address","name":"_vault","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"maxDepositAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"nonceUsed","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_guest","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bytes32","name":"_nonce","type":"bytes32"},{"internalType":"bytes","name":"_signature","type":"bytes"}],"name":"publicReserve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_guest","type":"address"},{"internalType":"uint256","name":"_refundAmount","type":"uint256"},{"internalType":"bytes32","name":"_nonce","type":"bytes32"},{"internalType":"bytes","name":"_signature","type":"bytes"}],"name":"refund","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"refundStatus","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"reservePrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"reserveStage","outputs":[{"internalType":"enum TinfunReserve.ReserveStage","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_guardian","type":"address"}],"name":"setGuardian","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_maxDepositAmount","type":"uint256"}],"name":"setMaxDepositAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_reservePrice","type":"uint256"}],"name":"setReservePrice","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"enum TinfunReserve.ReserveStage","name":"_reserveStage","type":"uint8"}],"name":"setReserveStage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_signer","type":"address"}],"name":"setSigner","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_totalRaisedAmount","type":"uint256"}],"name":"setTotalRaisedAmount","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_vault","type":"address"}],"name":"setVault","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"signer","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalRaisedAmount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"vault","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_guest","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bytes32","name":"_nonce","type":"bytes32"},{"internalType":"bytes","name":"_signature","type":"bytes"}],"name":"whitelistReserve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"whitelistReserveBalances","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdraw","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"withdrawStatus","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"}]

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