Contract 0x6aa37df2392007209c54a2162bef21623705dc22

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

pragma solidity ^0.8.0;

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

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

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

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

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

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

    /**
     * @dev Revert with a standard message if `_msgSender()` is missing `role`.
     * Overriding this function changes the behavior of the {onlyRole} modifier.
     *
     * Format of the revert message is described in {_checkRole}.
     *
     * _Available since v4.6._
     */
    function _checkRole(bytes32 role) internal view virtual {
        _checkRole(role, _msgSender());
    }

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

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

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

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

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

        _revokeRole(role, account);
    }

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract Pausable is Context {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    constructor() {
        _paused = false;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        _requireNotPaused();
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        _requirePaused();
        _;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Throws if the contract is paused.
     */
    function _requireNotPaused() internal view virtual {
        require(!paused(), "Pausable: paused");
    }

    /**
     * @dev Throws if the contract is not paused.
     */
    function _requirePaused() internal view virtual {
        require(paused(), "Pausable: not paused");
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
}

// 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 v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)

pragma solidity ^0.8.0;

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (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/cryptography/draft-EIP712.sol)

pragma solidity ^0.8.0;

// EIP-712 is Final as of 2022-08-11. This file is deprecated.

import "./EIP712.sol";

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

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV // 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) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/cryptography/EIP712.sol)

pragma solidity ^0.8.0;

import "./ECDSA.sol";

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

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

pragma solidity ^0.8.0;

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

// 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;
        }
    }
}

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

pragma solidity ^0.8.0;

import "./math/Math.sol";

/**
 * @dev String operations.
 */
library Strings {
    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 = Math.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 `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        unchecked {
            return toHexString(value, Math.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);
    }
}

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

import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/token/ERC20/utils/SafeERC20.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";

import "../libraries/Errors.sol";
import "../interfaces/dex/IUniswapRouter.sol";

/// @title Pay using a Decentralized automated market maker (AMM) when needed
/// @author Masa Finance
/// @notice Smart contract to call a Dex AMM smart contract to pay to a reserve wallet recipient
/// @dev This smart contract will call the Uniswap Router interface, based on
/// https://github.com/Uniswap/v2-periphery/blob/master/contracts/interfaces/IUniswapV2Router01.sol
abstract contract PaymentGateway is AccessControl {
    using SafeERC20 for IERC20;
    using SafeMath for uint256;

    struct PaymentParams {
        address swapRouter; // Swap router address
        address wrappedNativeToken; // Wrapped native token address
        address stableCoin; // Stable coin to pay the fee in (USDC)
        address masaToken; // Utility token to pay the fee in (MASA)
        address reserveWallet; // Wallet that will receive the fee
    }

    /* ========== STATE VARIABLES =========================================== */

    address public swapRouter;
    address public wrappedNativeToken;

    address public stableCoin; // USDC. It also needs to be enabled as payment method, if we want to pay in USDC
    address public masaToken; // MASA. It also needs to be enabled as payment method, if we want to pay in MASA

    // enabled payment methods: ETH and ERC20 tokens
    mapping(address => bool) public enabledPaymentMethod;
    address[] public enabledPaymentMethods;

    address public reserveWallet;

    /* ========== INITIALIZE ================================================ */

    /// @notice Creates a new Dex AMM
    /// @dev Creates a new Decentralized automated market maker (AMM) smart contract,
    // that will call the Uniswap Router interface
    /// @param admin Administrator of the smart contract
    /// @param paymentParams Payment params
    constructor(address admin, PaymentParams memory paymentParams) {
        if (paymentParams.swapRouter == address(0)) revert ZeroAddress();
        if (paymentParams.wrappedNativeToken == address(0))
            revert ZeroAddress();
        if (paymentParams.stableCoin == address(0)) revert ZeroAddress();
        if (paymentParams.reserveWallet == address(0)) revert ZeroAddress();

        _grantRole(DEFAULT_ADMIN_ROLE, admin);

        swapRouter = paymentParams.swapRouter;
        wrappedNativeToken = paymentParams.wrappedNativeToken;
        stableCoin = paymentParams.stableCoin;
        masaToken = paymentParams.masaToken;
        reserveWallet = paymentParams.reserveWallet;
    }

    /* ========== RESTRICTED FUNCTIONS ====================================== */

    /// @notice Sets the swap router address
    /// @dev The caller must have the admin role to call this function
    /// @param _swapRouter New swap router address
    function setSwapRouter(
        address _swapRouter
    ) external onlyRole(DEFAULT_ADMIN_ROLE) {
        if (_swapRouter == address(0)) revert ZeroAddress();
        if (swapRouter == _swapRouter) revert SameValue();
        swapRouter = _swapRouter;
    }

    /// @notice Sets the wrapped native token address
    /// @dev The caller must have the admin role to call this function
    /// @param _wrappedNativeToken New wrapped native token address
    function setWrappedNativeToken(
        address _wrappedNativeToken
    ) external onlyRole(DEFAULT_ADMIN_ROLE) {
        if (_wrappedNativeToken == address(0)) revert ZeroAddress();
        if (wrappedNativeToken == _wrappedNativeToken) revert SameValue();
        wrappedNativeToken = _wrappedNativeToken;
    }

    /// @notice Sets the stable coin to pay the fee in (USDC)
    /// @dev The caller must have the admin role to call this function
    /// @param _stableCoin New stable coin to pay the fee in
    function setStableCoin(
        address _stableCoin
    ) external onlyRole(DEFAULT_ADMIN_ROLE) {
        if (_stableCoin == address(0)) revert ZeroAddress();
        if (stableCoin == _stableCoin) revert SameValue();
        stableCoin = _stableCoin;
    }

    /// @notice Sets the utility token to pay the fee in (MASA)
    /// @dev The caller must have the admin role to call this function
    /// It can be set to address(0) to disable paying in MASA
    /// @param _masaToken New utility token to pay the fee in
    function setMasaToken(
        address _masaToken
    ) external onlyRole(DEFAULT_ADMIN_ROLE) {
        if (masaToken == _masaToken) revert SameValue();
        masaToken = _masaToken;
    }

    /// @notice Adds a new token as a valid payment method
    /// @dev The caller must have the admin role to call this function
    /// @param _paymentMethod New token to add
    function enablePaymentMethod(
        address _paymentMethod
    ) external onlyRole(DEFAULT_ADMIN_ROLE) {
        if (enabledPaymentMethod[_paymentMethod]) revert AlreadyAdded();

        enabledPaymentMethod[_paymentMethod] = true;
        enabledPaymentMethods.push(_paymentMethod);
    }

    /// @notice Removes a token as a valid payment method
    /// @dev The caller must have the admin role to call this function
    /// @param _paymentMethod Token to remove
    function disablePaymentMethod(
        address _paymentMethod
    ) external onlyRole(DEFAULT_ADMIN_ROLE) {
        if (!enabledPaymentMethod[_paymentMethod])
            revert NonExistingErc20Token(_paymentMethod);

        enabledPaymentMethod[_paymentMethod] = false;
        for (uint256 i = 0; i < enabledPaymentMethods.length; i++) {
            if (enabledPaymentMethods[i] == _paymentMethod) {
                enabledPaymentMethods[i] = enabledPaymentMethods[
                    enabledPaymentMethods.length - 1
                ];
                enabledPaymentMethods.pop();
                break;
            }
        }
    }

    /// @notice Set the reserve wallet
    /// @dev The caller must have the admin role to call this function
    /// @param _reserveWallet New reserve wallet
    function setReserveWallet(
        address _reserveWallet
    ) external onlyRole(DEFAULT_ADMIN_ROLE) {
        if (_reserveWallet == address(0)) revert ZeroAddress();
        if (_reserveWallet == reserveWallet) revert SameValue();
        reserveWallet = _reserveWallet;
    }

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

    /* ========== VIEWS ===================================================== */

    /// @notice Returns all available payment methods
    /// @dev Returns the address of all available payment methods
    /// @return Array of all enabled payment methods
    function getEnabledPaymentMethods()
        external
        view
        returns (address[] memory)
    {
        return enabledPaymentMethods;
    }

    /* ========== PRIVATE FUNCTIONS ========================================= */

    /// @notice Converts an amount from a stable coin to a payment method amount
    /// @dev This method will perform the swap between the stable coin and the
    /// payment method, and return the amount of the payment method,
    /// performing the swap if necessary
    /// @param paymentMethod Address of token that user want to pay
    /// @param amount Price to be converted in the specified payment method
    function _convertFromStableCoin(
        address paymentMethod,
        uint256 amount
    ) internal view returns (uint256) {
        if (!enabledPaymentMethod[paymentMethod] || paymentMethod == stableCoin)
            revert InvalidToken(paymentMethod);

        if (paymentMethod == address(0)) {
            return _estimateSwapAmount(wrappedNativeToken, stableCoin, amount);
        } else {
            return _estimateSwapAmount(paymentMethod, stableCoin, amount);
        }
    }

    /// @notice Performs the payment in any payment method
    /// @dev This method will transfer the funds to the reserve wallet, performing
    /// the swap if necessary
    /// @param paymentMethod Address of token that user want to pay
    /// @param amount Price to be paid in the specified payment method
    function _pay(address paymentMethod, uint256 amount) internal {
        if (amount == 0) return;
        if (!enabledPaymentMethod[paymentMethod])
            revert InvalidPaymentMethod(paymentMethod);
        if (paymentMethod == address(0)) {
            // ETH
            if (msg.value < amount) revert InsufficientEthAmount(amount);
            (bool success, ) = payable(reserveWallet).call{value: amount}("");
            if (!success) revert TransferFailed();
            if (msg.value > amount) {
                // return diff
                uint256 refund = msg.value.sub(amount);
                (success, ) = payable(msg.sender).call{value: refund}("");
                if (!success) revert RefundFailed();
            }
        } else {
            // ERC20 token, including MASA and USDC
            IERC20(paymentMethod).safeTransferFrom(
                msg.sender,
                reserveWallet,
                amount
            );
        }
    }

    function _estimateSwapAmount(
        address _fromToken,
        address _toToken,
        uint256 _amountOut
    ) private view returns (uint256) {
        uint256[] memory amounts;
        address[] memory path;
        path = _getPathFromTokenToToken(_fromToken, _toToken);
        amounts = IUniswapRouter(swapRouter).getAmountsIn(_amountOut, path);
        return amounts[0];
    }

    function _getPathFromTokenToToken(
        address fromToken,
        address toToken
    ) private view returns (address[] memory) {
        if (fromToken == wrappedNativeToken || toToken == wrappedNativeToken) {
            address[] memory path = new address[](2);
            path[0] = fromToken == wrappedNativeToken
                ? wrappedNativeToken
                : fromToken;
            path[1] = toToken == wrappedNativeToken
                ? wrappedNativeToken
                : toToken;
            return path;
        } else {
            address[] memory path = new address[](3);
            path[0] = fromToken;
            path[1] = wrappedNativeToken;
            path[2] = toToken;
            return path;
        }
    }

    /* ========== MODIFIERS ================================================= */

    /* ========== EVENTS ==================================================== */
}

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

/// @title Uniswap Router interface
/// @author Masa Finance
/// @notice Interface of the Uniswap Router contract
/// @dev This interface is used to interact with the Uniswap Router contract,
/// and gets the most important functions of the contract. It's based on
/// https://github.com/Uniswap/v2-periphery/blob/master/contracts/interfaces/IUniswapV2Router01.sol
interface IUniswapRouter {
    function swapExactTokensForTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function swapExactETHForTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable returns (uint256[] memory amounts);

    function swapExactTokensForETH(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external returns (uint256[] memory amounts);

    function getAmountsOut(
        uint256 amountIn,
        address[] calldata path
    ) external view returns (uint256[] memory amounts);

    function getAmountsIn(
        uint256 amountOut,
        address[] calldata path
    ) external view returns (uint256[] memory amounts);
}

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

import "../tokens/SBT/ISBT.sol";

import "./ISoulName.sol";

interface ISoulboundIdentity is ISBT {
    function mint(address to) external returns (uint256);

    function mintIdentityWithName(
        address to,
        string memory name,
        uint256 yearsPeriod,
        string memory _tokenURI
    ) external returns (uint256);

    function getSoulName() external view returns (ISoulName);

    function tokenOfOwner(address owner) external view returns (uint256);
}

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

interface ISoulName {
    function mint(
        address to,
        string memory name,
        uint256 yearsPeriod,
        string memory _tokenURI
    ) external returns (uint256);

    function getExtension() external view returns (string memory);

    function isAvailable(
        string memory name
    ) external view returns (bool available);

    function getTokenData(
        string memory name
    )
        external
        view
        returns (
            string memory sbtName,
            bool linked,
            uint256 identityId,
            uint256 tokenId,
            uint256 expirationDate,
            bool active
        );

    function getTokenId(string memory name) external view returns (uint256);

    function getSoulNames(
        address owner
    ) external view returns (string[] memory sbtNames);

    function getSoulNames(
        uint256 identityId
    ) external view returns (string[] memory sbtNames);
}

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

error AddressDoesNotHaveIdentity(address to);
error AlreadyAdded();
error AuthorityNotExists(address authority);
error CallerNotOwner(address caller);
error CallerNotReader(address caller);
error CreditScoreAlreadyCreated(address to);
error IdentityAlreadyCreated(address to);
error IdentityOwnerIsReader(uint256 readerIdentityId);
error InsufficientEthAmount(uint256 amount);
error IdentityOwnerNotTokenOwner(uint256 tokenId, uint256 ownerIdentityId);
error InvalidPaymentMethod(address paymentMethod);
error InvalidSignature();
error InvalidSignatureDate(uint256 signatureDate);
error InvalidToken(address token);
error InvalidTokenURI(string tokenURI);
error LinkAlreadyExists(
    address token,
    uint256 tokenId,
    uint256 readerIdentityId,
    uint256 signatureDate
);
error LinkAlreadyRevoked();
error LinkDoesNotExist();
error NameAlreadyExists(string name);
error NameNotFound(string name);
error NameRegisteredByOtherAccount(string name, uint256 tokenId);
error NotAuthorized(address signer);
error NonExistingErc20Token(address erc20token);
error NotLinkedToAnIdentitySBT();
error RefundFailed();
error SameValue();
error SBTAlreadyLinked(address token);
error SoulNameContractNotSet();
error TokenNotFound(uint256 tokenId);
error TransferFailed();
error URIAlreadyExists(string tokenURI);
error ValidPeriodExpired(uint256 expirationDate);
error ZeroAddress();
error ZeroLengthName(string name);
error ZeroYearsPeriod(uint256 yearsPeriod);

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

import "@openzeppelin/contracts/utils/cryptography/draft-EIP712.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/utils/math/SafeMath.sol";
import "@openzeppelin/contracts/security/Pausable.sol";

import "./libraries/Errors.sol";
import "./dex/PaymentGateway.sol";
import "./interfaces/ISoulboundIdentity.sol";
import "./interfaces/ISoulName.sol";

/// @title Soul Store
/// @author Masa Finance
/// @notice Soul Store, that can mint new Soulbound Identities and Soul Name NFTs, paying a fee
/// @dev From this smart contract we can mint new Soulbound Identities and Soul Name NFTs.
/// This minting can be done paying a fee in ETH, USDC or MASA
contract SoulStore is PaymentGateway, Pausable, ReentrancyGuard, EIP712 {
    using SafeMath for uint256;

    /* ========== STATE VARIABLES ========== */

    ISoulboundIdentity public soulboundIdentity;

    mapping(uint256 => uint256) public nameRegistrationPricePerYear; // (length --> price in stable coin per year)

    mapping(address => bool) public authorities;

    /* ========== INITIALIZE ========== */

    /// @notice Creates a new Soul Store
    /// @dev Creates a new Soul Store, that has the role to minting new Soulbound Identities
    /// and Soul Name NFTs, paying a fee
    /// @param admin Administrator of the smart contract
    /// @param _soulBoundIdentity Address of the Soulbound identity contract
    /// @param _nameRegistrationPricePerYear Price of the default name registering in stable coin per year
    /// @param paymentParams Payment gateway params
    constructor(
        address admin,
        ISoulboundIdentity _soulBoundIdentity,
        uint256 _nameRegistrationPricePerYear,
        PaymentParams memory paymentParams
    ) PaymentGateway(admin, paymentParams) EIP712("SoulStore", "1.0.0") {
        if (address(_soulBoundIdentity) == address(0)) revert ZeroAddress();

        soulboundIdentity = _soulBoundIdentity;

        nameRegistrationPricePerYear[0] = _nameRegistrationPricePerYear; // name price for default length per year
    }

    /* ========== RESTRICTED FUNCTIONS ========== */

    /// @notice Sets the SoulboundIdentity contract address linked to this store
    /// @dev The caller must have the admin role to call this function
    /// @param _soulboundIdentity New SoulboundIdentity contract address
    function setSoulboundIdentity(
        ISoulboundIdentity _soulboundIdentity
    ) external onlyRole(DEFAULT_ADMIN_ROLE) {
        if (address(_soulboundIdentity) == address(0)) revert ZeroAddress();
        if (soulboundIdentity == _soulboundIdentity) revert SameValue();
        soulboundIdentity = _soulboundIdentity;
    }

    /// @notice Sets the price of the name registering per one year in stable coin
    /// @dev The caller must have the admin role to call this function
    /// @param _nameLength Length of the name
    /// @param _nameRegistrationPricePerYear New price of the name registering per one
    /// year in stable coin for that name length per year
    function setNameRegistrationPricePerYear(
        uint256 _nameLength,
        uint256 _nameRegistrationPricePerYear
    ) external onlyRole(DEFAULT_ADMIN_ROLE) {
        if (
            nameRegistrationPricePerYear[_nameLength] ==
            _nameRegistrationPricePerYear
        ) revert SameValue();
        nameRegistrationPricePerYear[
            _nameLength
        ] = _nameRegistrationPricePerYear;
    }

    /// @notice Adds a new authority to the list of authorities
    /// @dev The caller must have the admin role to call this function
    /// @param _authority New authority to add
    function addAuthority(
        address _authority
    ) external onlyRole(DEFAULT_ADMIN_ROLE) {
        if (_authority == address(0)) revert ZeroAddress();
        if (authorities[_authority]) revert AlreadyAdded();

        authorities[_authority] = true;
    }

    /// @notice Removes an authority from the list of authorities
    /// @dev The caller must have the admin role to call this function
    /// @param _authority Authority to remove
    function removeAuthority(
        address _authority
    ) external onlyRole(DEFAULT_ADMIN_ROLE) {
        if (_authority == address(0)) revert ZeroAddress();
        if (!authorities[_authority]) revert AuthorityNotExists(_authority);

        authorities[_authority] = false;
    }

    /// @notice Pauses the smart contract
    /// @dev The caller must have the admin role to call this function
    function pause() public onlyRole(DEFAULT_ADMIN_ROLE) {
        _pause();
    }

    /// @notice Unpauses the smart contract
    /// @dev The caller must have the admin role to call this function
    function unpause() public onlyRole(DEFAULT_ADMIN_ROLE) {
        _unpause();
    }

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

    /// @notice Mints a new Soulbound Identity and Name purchasing it
    /// @dev This function allows the purchase of a soulbound identity and name using
    /// stable coin (USDC), native token (ETH) or utility token (MASA)
    /// @param paymentMethod Address of token that user want to pay
    /// @param name Name of the new soul name
    /// @param nameLength Length of the name
    /// @param yearsPeriod Years of validity of the name
    /// @param tokenURI URI of the NFT
    /// @param authorityAddress Address of the authority
    /// @param signature Signature of the authority
    /// @return TokenId of the new soulbound identity
    function purchaseIdentityAndName(
        address paymentMethod,
        string memory name,
        uint256 nameLength,
        uint256 yearsPeriod,
        string memory tokenURI,
        address authorityAddress,
        bytes calldata signature
    ) external payable whenNotPaused nonReentrant returns (uint256) {
        _pay(
            paymentMethod,
            getPriceForMintingName(paymentMethod, nameLength, yearsPeriod)
        );

        // finalize purchase
        return
            _mintSoulboundIdentityAndName(
                _msgSender(),
                name,
                nameLength,
                yearsPeriod,
                tokenURI,
                authorityAddress,
                signature
            );
    }

    /// @notice Mints a new Soulbound Identity purchasing it
    /// @dev This function allows the purchase of a soulbound identity for free
    /// @return TokenId of the new soulbound identity
    function purchaseIdentity()
        external
        whenNotPaused
        nonReentrant
        returns (uint256)
    {
        // finalize purchase
        return _mintSoulboundIdentity(_msgSender());
    }

    /// @notice Mints a new Soul Name purchasing it
    /// @dev This function allows the purchase of a soul name using
    /// stable coin (USDC), native token (ETH) or utility token (MASA)
    /// @param paymentMethod Address of token that user want to pay
    /// @param to Address of the owner of the new soul name
    /// @param name Name of the new soul name
    /// @param nameLength Length of the name
    /// @param yearsPeriod Years of validity of the name
    /// @param tokenURI URI of the NFT
    /// @param authorityAddress Address of the authority
    /// @param signature Signature of the authority
    /// @return TokenId of the new sou name
    function purchaseName(
        address paymentMethod,
        address to,
        string memory name,
        uint256 nameLength,
        uint256 yearsPeriod,
        string memory tokenURI,
        address authorityAddress,
        bytes calldata signature
    ) external payable whenNotPaused nonReentrant returns (uint256) {
        _pay(
            paymentMethod,
            getPriceForMintingName(paymentMethod, nameLength, yearsPeriod)
        );

        // finalize purchase
        return
            _mintSoulName(
                to,
                name,
                nameLength,
                yearsPeriod,
                tokenURI,
                authorityAddress,
                signature
            );
    }

    /* ========== VIEWS ========== */

    /// @notice Returns the price of register a name per year in stable coin for an specific length
    /// @dev Returns the price for registering per year in USD for an specific name length
    /// @param nameLength Length of the name
    /// @return Price in stable coin for that name length
    function getNameRegistrationPricePerYear(
        uint256 nameLength
    ) public view returns (uint256) {
        uint256 price = nameRegistrationPricePerYear[nameLength];
        if (price == 0) {
            // if not found, return the default price
            price = nameRegistrationPricePerYear[0];
        }
        return price;
    }

    /// @notice Returns the price of the name minting
    /// @dev Returns current pricing for name minting for a given name length and years period
    /// @param paymentMethod Address of token that user want to pay
    /// @param nameLength Length of the name
    /// @param yearsPeriod Years of validity of the name
    /// @return Current price of the name minting in the given payment method
    function getPriceForMintingName(
        address paymentMethod,
        uint256 nameLength,
        uint256 yearsPeriod
    ) public view returns (uint256) {
        uint256 mintPrice = getNameRegistrationPricePerYear(nameLength).mul(
            yearsPeriod
        );

        if (mintPrice == 0) {
            return 0;
        } else if (
            paymentMethod == stableCoin && enabledPaymentMethod[paymentMethod]
        ) {
            // stable coin
            return mintPrice;
        } else if (enabledPaymentMethod[paymentMethod]) {
            // ETH and ERC 20 token
            return _convertFromStableCoin(paymentMethod, mintPrice);
        } else {
            revert InvalidPaymentMethod(paymentMethod);
        }
    }

    /* ========== PRIVATE FUNCTIONS ========== */

    /// @notice Mints a new Soulbound Identity and Name
    /// @dev The final step of all purchase options. Will mint a
    /// new Soulbound Identity and a Soul Name NFT and emit the purchase event
    /// @param to Address of the owner of the new soul name
    /// @param name Name of the new soul name
    /// @param nameLength Length of the name
    /// @param yearsPeriod Years of validity of the name
    /// @param tokenURI URI of the NFT
    /// @param authorityAddress Address of the authority
    /// @param signature Signature of the authority
    /// @return TokenId of the new soulbound identity
    function _mintSoulboundIdentityAndName(
        address to,
        string memory name,
        uint256 nameLength,
        uint256 yearsPeriod,
        string memory tokenURI,
        address authorityAddress,
        bytes calldata signature
    ) internal returns (uint256) {
        _verify(
            _hash(to, name, nameLength, yearsPeriod, tokenURI),
            signature,
            authorityAddress
        );

        // mint Soulbound identity token
        uint256 tokenId = soulboundIdentity.mintIdentityWithName(
            to,
            name,
            yearsPeriod,
            tokenURI
        );

        emit SoulboundIdentityAndNamePurchased(to, tokenId, name, yearsPeriod);

        return tokenId;
    }

    /// @notice Mints a new Soulbound Identity
    /// @dev The final step of all purchase options. Will mint a
    /// new Soulbound Identity and emit the purchase event
    /// @param to Address of the owner of the new identity
    /// @return TokenId of the new soulbound identity
    function _mintSoulboundIdentity(address to) internal returns (uint256) {
        // mint Soulbound identity token
        uint256 tokenId = soulboundIdentity.mint(to);

        emit SoulboundIdentityPurchased(to, tokenId);

        return tokenId;
    }

    /// @notice Mints a new Soul Name
    /// @dev The final step of all purchase options. Will mint a
    /// new Soul Name NFT and emit the purchase event
    /// @param to Address of the owner of the new soul name
    /// @param name Name of the new soul name
    /// @param nameLength Length of the name
    /// @param yearsPeriod Years of validity of the name
    /// @param tokenURI URI of the NFT
    /// @param authorityAddress Address of the authority
    /// @param signature Signature of the authority
    /// @return TokenId of the new soul name
    function _mintSoulName(
        address to,
        string memory name,
        uint256 nameLength,
        uint256 yearsPeriod,
        string memory tokenURI,
        address authorityAddress,
        bytes calldata signature
    ) internal returns (uint256) {
        _verify(
            _hash(to, name, nameLength, yearsPeriod, tokenURI),
            signature,
            authorityAddress
        );

        // mint Soul Name token
        ISoulName soulName = soulboundIdentity.getSoulName();

        uint256 tokenId = soulName.mint(to, name, yearsPeriod, tokenURI);

        emit SoulNamePurchased(to, tokenId, name, yearsPeriod);

        return tokenId;
    }

    function _verify(
        bytes32 digest,
        bytes memory signature,
        address signer
    ) internal view {
        address _signer = ECDSA.recover(digest, signature);
        if (_signer != signer) revert InvalidSignature();
        if (!authorities[_signer]) revert NotAuthorized(_signer);
    }

    function _hash(
        address to,
        string memory name,
        uint256 nameLength,
        uint256 yearsPeriod,
        string memory tokenURI
    ) internal view returns (bytes32) {
        return
            _hashTypedDataV4(
                keccak256(
                    abi.encode(
                        keccak256(
                            "MintSoulName(address to,string name,uint256 nameLength,uint256 yearsPeriod,string tokenURI)"
                        ),
                        to,
                        keccak256(bytes(name)),
                        nameLength,
                        yearsPeriod,
                        keccak256(bytes(tokenURI))
                    )
                )
            );
    }

    /* ========== MODIFIERS ========== */

    /* ========== EVENTS ========== */

    event SoulboundIdentityAndNamePurchased(
        address indexed account,
        uint256 tokenId,
        string indexed name,
        uint256 yearsPeriod
    );

    event SoulboundIdentityPurchased(address indexed account, uint256 tokenId);

    event SoulNamePurchased(
        address indexed account,
        uint256 tokenId,
        string indexed name,
        uint256 yearsPeriod
    );
}

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

import "@openzeppelin/contracts/utils/introspection/IERC165.sol";

interface ISBT is IERC165 {
    /// @dev This emits when an SBT is newly minted.
    ///  This event emits when SBTs are created
    event Mint(address indexed _owner, uint256 indexed _tokenId);

    /// @dev This emits when an SBT is burned
    ///  This event emits when SBTs are destroyed
    event Burn(address indexed _owner, uint256 indexed _tokenId);

    /// @notice Count all SBTs assigned to an owner
    /// @dev SBTs assigned to the zero address are considered invalid, and this
    ///  function throws for queries about the zero address.
    /// @param _owner An address for whom to query the balance
    /// @return The number of SBTs owned by `_owner`, possibly zero
    function balanceOf(address _owner) external view returns (uint256);

    /// @notice Find the owner of an SBT
    /// @dev SBTs assigned to zero address are considered invalid, and queries
    ///  about them do throw.
    /// @param _tokenId The identifier for an SBT
    /// @return The address of the owner of the SBT
    function ownerOf(uint256 _tokenId) external view returns (address);
}

{
  "optimizer": {
    "enabled": true,
    "runs": 1,
    "details": {
      "yul": false
    }
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

[{"inputs":[{"internalType":"address","name":"admin","type":"address"},{"internalType":"contract ISoulboundIdentity","name":"_soulBoundIdentity","type":"address"},{"internalType":"uint256","name":"_nameRegistrationPricePerYear","type":"uint256"},{"components":[{"internalType":"address","name":"swapRouter","type":"address"},{"internalType":"address","name":"wrappedNativeToken","type":"address"},{"internalType":"address","name":"stableCoin","type":"address"},{"internalType":"address","name":"masaToken","type":"address"},{"internalType":"address","name":"reserveWallet","type":"address"}],"internalType":"struct PaymentGateway.PaymentParams","name":"paymentParams","type":"tuple"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyAdded","type":"error"},{"inputs":[{"internalType":"address","name":"authority","type":"address"}],"name":"AuthorityNotExists","type":"error"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"InsufficientEthAmount","type":"error"},{"inputs":[{"internalType":"address","name":"paymentMethod","type":"address"}],"name":"InvalidPaymentMethod","type":"error"},{"inputs":[],"name":"InvalidSignature","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"InvalidToken","type":"error"},{"inputs":[{"internalType":"address","name":"erc20token","type":"address"}],"name":"NonExistingErc20Token","type":"error"},{"inputs":[{"internalType":"address","name":"signer","type":"address"}],"name":"NotAuthorized","type":"error"},{"inputs":[],"name":"RefundFailed","type":"error"},{"inputs":[],"name":"SameValue","type":"error"},{"inputs":[],"name":"TransferFailed","type":"error"},{"inputs":[],"name":"ZeroAddress","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":true,"internalType":"string","name":"name","type":"string"},{"indexed":false,"internalType":"uint256","name":"yearsPeriod","type":"uint256"}],"name":"SoulNamePurchased","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"},{"indexed":true,"internalType":"string","name":"name","type":"string"},{"indexed":false,"internalType":"uint256","name":"yearsPeriod","type":"uint256"}],"name":"SoulboundIdentityAndNamePurchased","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"SoulboundIdentityPurchased","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_authority","type":"address"}],"name":"addAuthority","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"authorities","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_paymentMethod","type":"address"}],"name":"disablePaymentMethod","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_paymentMethod","type":"address"}],"name":"enablePaymentMethod","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"enabledPaymentMethod","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"enabledPaymentMethods","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getEnabledPaymentMethods","outputs":[{"internalType":"address[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"nameLength","type":"uint256"}],"name":"getNameRegistrationPricePerYear","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"paymentMethod","type":"address"},{"internalType":"uint256","name":"nameLength","type":"uint256"},{"internalType":"uint256","name":"yearsPeriod","type":"uint256"}],"name":"getPriceForMintingName","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"}],"name":"getRoleAdmin","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"grantRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"hasRole","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"masaToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"nameRegistrationPricePerYear","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"purchaseIdentity","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"paymentMethod","type":"address"},{"internalType":"string","name":"name","type":"string"},{"internalType":"uint256","name":"nameLength","type":"uint256"},{"internalType":"uint256","name":"yearsPeriod","type":"uint256"},{"internalType":"string","name":"tokenURI","type":"string"},{"internalType":"address","name":"authorityAddress","type":"address"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"purchaseIdentityAndName","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"paymentMethod","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"string","name":"name","type":"string"},{"internalType":"uint256","name":"nameLength","type":"uint256"},{"internalType":"uint256","name":"yearsPeriod","type":"uint256"},{"internalType":"string","name":"tokenURI","type":"string"},{"internalType":"address","name":"authorityAddress","type":"address"},{"internalType":"bytes","name":"signature","type":"bytes"}],"name":"purchaseName","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"_authority","type":"address"}],"name":"removeAuthority","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"reserveWallet","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_masaToken","type":"address"}],"name":"setMasaToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_nameLength","type":"uint256"},{"internalType":"uint256","name":"_nameRegistrationPricePerYear","type":"uint256"}],"name":"setNameRegistrationPricePerYear","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_reserveWallet","type":"address"}],"name":"setReserveWallet","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract ISoulboundIdentity","name":"_soulboundIdentity","type":"address"}],"name":"setSoulboundIdentity","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_stableCoin","type":"address"}],"name":"setStableCoin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_swapRouter","type":"address"}],"name":"setSwapRouter","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_wrappedNativeToken","type":"address"}],"name":"setWrappedNativeToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"soulboundIdentity","outputs":[{"internalType":"contract ISoulboundIdentity","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"stableCoin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"swapRouter","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"wrappedNativeToken","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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

-----Decoded View---------------
Arg [0] : admin (address): 0x48e2042bf980e12b5c50ea78d38042517df0d90c
Arg [1] : _soulBoundIdentity (address): 0x836198f984431ecdc97a7549c1bd6b3cd9e7a89b
Arg [2] : _nameRegistrationPricePerYear (uint256): 0
Arg [3] : paymentParams (tuple): System.Collections.Generic.List`1[Nethereum.ABI.FunctionEncoding.ParameterOutput]

-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 00000000000000000000000048e2042bf980e12b5c50ea78d38042517df0d90c
Arg [1] : 000000000000000000000000836198f984431ecdc97a7549c1bd6b3cd9e7a89b
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [3] : 0000000000000000000000001421bde4b10e8dd459b3bcb598810b1337d56842
Arg [4] : 000000000000000000000000471ece3750da237f93b8e339c536989b8978a438
Arg [5] : 000000000000000000000000765de816845861e75a25fca122bb6898b8b1282a
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [7] : 0000000000000000000000000a8c9adabca7807737296b5f4e065a61dbebd128