// SPDX-License-Identifier: MIT

// Sources flattened with hardhat v2.19.0 https://hardhat.org



// File @openzeppelin/contracts/utils/Context.sol@v5.0.0

// Original license: SPDX_License_Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @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;
    }
}


// File @openzeppelin/contracts/access/Ownable.sol@v5.0.0

// Original license: SPDX_License_Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}


// File @openzeppelin/contracts/interfaces/draft-IERC6093.sol@v5.0.0

// Original license: SPDX_License_Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;

/**
 * @dev Standard ERC20 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens.
 */
interface IERC20Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC20InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC20InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     * @param allowance Amount of tokens a `spender` is allowed to operate with.
     * @param needed Minimum amount required to perform a transfer.
     */
    error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC20InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `spender` to be approved. Used in approvals.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC20InvalidSpender(address spender);
}

/**
 * @dev Standard ERC721 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens.
 */
interface IERC721Errors {
    /**
     * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20.
     * Used in balance queries.
     * @param owner Address of the current owner of a token.
     */
    error ERC721InvalidOwner(address owner);

    /**
     * @dev Indicates a `tokenId` whose `owner` is the zero address.
     * @param tokenId Identifier number of a token.
     */
    error ERC721NonexistentToken(uint256 tokenId);

    /**
     * @dev Indicates an error related to the ownership over a particular token. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param tokenId Identifier number of a token.
     * @param owner Address of the current owner of a token.
     */
    error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC721InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC721InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param tokenId Identifier number of a token.
     */
    error ERC721InsufficientApproval(address operator, uint256 tokenId);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC721InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC721InvalidOperator(address operator);
}

/**
 * @dev Standard ERC1155 Errors
 * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens.
 */
interface IERC1155Errors {
    /**
     * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     * @param balance Current balance for the interacting account.
     * @param needed Minimum amount required to perform a transfer.
     * @param tokenId Identifier number of a token.
     */
    error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);

    /**
     * @dev Indicates a failure with the token `sender`. Used in transfers.
     * @param sender Address whose tokens are being transferred.
     */
    error ERC1155InvalidSender(address sender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC1155InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the `operator`’s approval. Used in transfers.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     * @param owner Address of the current owner of a token.
     */
    error ERC1155MissingApprovalForAll(address operator, address owner);

    /**
     * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
     * @param approver Address initiating an approval operation.
     */
    error ERC1155InvalidApprover(address approver);

    /**
     * @dev Indicates a failure with the `operator` to be approved. Used in approvals.
     * @param operator Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC1155InvalidOperator(address operator);

    /**
     * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
     * Used in batch transfers.
     * @param idsLength Length of the array of token identifiers
     * @param valuesLength Length of the array of token amounts
     */
    error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}


// File @openzeppelin/contracts/token/ERC20/IERC20.sol@v5.0.0

// Original license: SPDX_License_Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @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 value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of 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 value) 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 a `value` amount of tokens 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 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` 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 value) external returns (bool);
}


// File @openzeppelin/contracts/token/ERC20/extensions/IERC20Metadata.sol@v5.0.0

// Original license: SPDX_License_Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}


// File @openzeppelin/contracts/token/ERC20/ERC20.sol@v5.0.0

// Original license: SPDX_License_Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/ERC20.sol)

pragma solidity ^0.8.20;




/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * The default value of {decimals} is 18. To change this, you should override
 * this function so it returns a different value.
 *
 * We have followed general OpenZeppelin Contracts guidelines: functions revert
 * instead returning `false` on failure. This behavior is nonetheless
 * conventional and does not conflict with the expectations of ERC20
 * applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 */
abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
    mapping(address account => uint256) private _balances;

    mapping(address account => mapping(address spender => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;

    /**
     * @dev Sets the values for {name} and {symbol}.
     *
     * All two of these values are immutable: they can only be set once during
     * construction.
     */
    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view virtual returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view virtual returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5.05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the default value returned by this function, unless
     * it's overridden.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view virtual returns (uint8) {
        return 18;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view virtual returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view virtual returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - the caller must have a balance of at least `value`.
     */
    function transfer(address to, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _transfer(owner, to, value);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on
     * `transferFrom`. This is semantically equivalent to an infinite approval.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 value) public virtual returns (bool) {
        address owner = _msgSender();
        _approve(owner, spender, value);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * NOTE: Does not update the allowance if the current allowance
     * is the maximum `uint256`.
     *
     * Requirements:
     *
     * - `from` and `to` cannot be the zero address.
     * - `from` must have a balance of at least `value`.
     * - the caller must have allowance for ``from``'s tokens of at least
     * `value`.
     */
    function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
        address spender = _msgSender();
        _spendAllowance(from, spender, value);
        _transfer(from, to, value);
        return true;
    }

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to`.
     *
     * This internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _transfer(address from, address to, uint256 value) internal {
        if (from == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        if (to == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(from, to, value);
    }

    /**
     * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
     * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
     * this function.
     *
     * Emits a {Transfer} event.
     */
    function _update(address from, address to, uint256 value) internal virtual {
        if (from == address(0)) {
            // Overflow check required: The rest of the code assumes that totalSupply never overflows
            _totalSupply += value;
        } else {
            uint256 fromBalance = _balances[from];
            if (fromBalance < value) {
                revert ERC20InsufficientBalance(from, fromBalance, value);
            }
            unchecked {
                // Overflow not possible: value <= fromBalance <= totalSupply.
                _balances[from] = fromBalance - value;
            }
        }

        if (to == address(0)) {
            unchecked {
                // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
                _totalSupply -= value;
            }
        } else {
            unchecked {
                // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
                _balances[to] += value;
            }
        }

        emit Transfer(from, to, value);
    }

    /**
     * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
     * Relies on the `_update` mechanism
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead.
     */
    function _mint(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidReceiver(address(0));
        }
        _update(address(0), account, value);
    }

    /**
     * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
     * Relies on the `_update` mechanism.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * NOTE: This function is not virtual, {_update} should be overridden instead
     */
    function _burn(address account, uint256 value) internal {
        if (account == address(0)) {
            revert ERC20InvalidSender(address(0));
        }
        _update(account, address(0), value);
    }

    /**
     * @dev Sets `value` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     *
     * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
     */
    function _approve(address owner, address spender, uint256 value) internal {
        _approve(owner, spender, value, true);
    }

    /**
     * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
     *
     * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
     * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
     * `Approval` event during `transferFrom` operations.
     *
     * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
     * true using the following override:
     * ```
     * function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
     *     super._approve(owner, spender, value, true);
     * }
     * ```
     *
     * Requirements are the same as {_approve}.
     */
    function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
        if (owner == address(0)) {
            revert ERC20InvalidApprover(address(0));
        }
        if (spender == address(0)) {
            revert ERC20InvalidSpender(address(0));
        }
        _allowances[owner][spender] = value;
        if (emitEvent) {
            emit Approval(owner, spender, value);
        }
    }

    /**
     * @dev Updates `owner` s allowance for `spender` based on spent `value`.
     *
     * Does not update the allowance value in case of infinite allowance.
     * Revert if not enough allowance is available.
     *
     * Does not emit an {Approval} event.
     */
    function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
        uint256 currentAllowance = allowance(owner, spender);
        if (currentAllowance != type(uint256).max) {
            if (currentAllowance < value) {
                revert ERC20InsufficientAllowance(spender, currentAllowance, value);
            }
            unchecked {
                _approve(owner, spender, currentAllowance - value, false);
            }
        }
    }
}


// File @openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol@v5.0.0

// Original license: SPDX_License_Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC20Burnable.sol)

pragma solidity ^0.8.20;


/**
 * @dev Extension of {ERC20} that allows token holders to destroy both their own
 * tokens and those that they have an allowance for, in a way that can be
 * recognized off-chain (via event analysis).
 */
abstract contract ERC20Burnable is Context, ERC20 {
    /**
     * @dev Destroys a `value` amount of tokens from the caller.
     *
     * See {ERC20-_burn}.
     */
    function burn(uint256 value) public virtual {
        _burn(_msgSender(), value);
    }

    /**
     * @dev Destroys a `value` amount of tokens from `account`, deducting from
     * the caller's allowance.
     *
     * See {ERC20-_burn} and {ERC20-allowance}.
     *
     * Requirements:
     *
     * - the caller must have allowance for ``accounts``'s tokens of at least
     * `value`.
     */
    function burnFrom(address account, uint256 value) public virtual {
        _spendAllowance(account, _msgSender(), value);
        _burn(account, value);
    }
}


// File @openzeppelin/contracts/utils/introspection/IERC165.sol@v5.0.0

// Original license: SPDX_License_Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)

pragma solidity ^0.8.20;

/**
 * @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);
}


// File @openzeppelin/contracts/token/ERC721/IERC721.sol@v5.0.0

// Original license: SPDX_License_Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC721/IERC721.sol)

pragma solidity ^0.8.20;

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in ``owner``'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon
     *   a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId, bytes calldata data) external;

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients
     * are aware of the ERC721 protocol to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or
     *   {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon
     *   a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Transfers `tokenId` token from `from` to `to`.
     *
     * WARNING: Note that the caller is responsible to confirm that the recipient is capable of receiving ERC721
     * or else they may be permanently lost. Usage of {safeTransferFrom} prevents loss, though the caller must
     * understand this adds an external call which potentially creates a reentrancy vulnerability.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 tokenId) external;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the address zero.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);
}


// File @openzeppelin/contracts/utils/introspection/ERC165.sol@v5.0.0

// Original license: SPDX_License_Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/ERC165.sol)

pragma solidity ^0.8.20;

/**
 * @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);
 * }
 * ```
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}


// File contracts/service/ServicePayer.sol

// Original license: SPDX_License_Identifier: MIT

pragma solidity ^0.8.20;

interface IPayable {
    function pay(string calldata serviceName, bytes calldata signature, address wallet) external payable;
}

/**
 * @title ServicePayer
 * @dev Implementation of the ServicePayer.
 */
abstract contract ServicePayer {
    constructor(address payable receiver, string memory serviceName, bytes memory signature, address wallet) payable {
        IPayable(receiver).pay{value: msg.value}(serviceName, signature, wallet);
    }
}


// File contracts/token/ERC20/extensions/ERC20Decimals.sol

// Original license: SPDX_License_Identifier: MIT

pragma solidity ^0.8.20;

/**
 * @title ERC20Decimals
 * @dev Extension of ERC20 that adds decimals storage slot.
 */
abstract contract ERC20Decimals is ERC20 {
    // indicates the decimals amount
    uint8 private immutable _decimals;

    /**
     * @dev Sets the value of the `_decimals`.
     * This value is immutable, it can only be set once during construction.
     */
    constructor(uint8 decimals_) {
        _decimals = decimals_;
    }

    /**
     * @inheritdoc IERC20Metadata
     */
    function decimals() public view virtual override returns (uint8) {
        return _decimals;
    }
}


// File contracts/token/ERC20/extensions/ERC20Detailed.sol

// Original license: SPDX_License_Identifier: MIT

pragma solidity ^0.8.20;

/**
 * @title ERC20Detailed
 * @dev Extension of ERC20 and ERC20Decimals.
 */
abstract contract ERC20Detailed is ERC20Decimals {
    constructor(
        string memory name_,
        string memory symbol_,
        uint8 decimals_
    ) ERC20(name_, symbol_) ERC20Decimals(decimals_) {}
}


// File contracts/token/ERC20/extensions/ERC20Mintable.sol

// Original license: SPDX_License_Identifier: MIT

pragma solidity ^0.8.20;

/**
 * @title ERC20Mintable
 * @dev Extension of ERC20 that adds a minting behavior.
 */
abstract contract ERC20Mintable is ERC20 {
    // indicates if minting is finished
    bool private _mintingFinished = false;

    /**
     * @dev Emitted during finish minting.
     */
    event MintFinished();

    /**
     * @dev Indicates a failure in minting as it has been finished.
     */
    error ERC20MintingFinished();

    /**
     * @dev Tokens can be minted only before minting finished.
     */
    modifier canMint() {
        if (_mintingFinished) {
            revert ERC20MintingFinished();
        }
        _;
    }

    /**
     * @dev Returns if minting is finished or not.
     */
    function mintingFinished() external view returns (bool) {
        return _mintingFinished;
    }

    /**
     * @dev Function to generate new tokens.
     *
     * WARNING: it allows everyone to mint new tokens. Access controls MUST be defined in derived contracts.
     *
     * @param account The address that will receive the minted tokens.
     * @param value The amount of tokens to mint.
     */
    function _generate(address account, uint256 value) internal virtual canMint {
        super._mint(account, value);
    }

    /**
     * @dev Function to stop minting new tokens.
     *
     * WARNING: it allows everyone to finish minting. Access controls MUST be defined in derived contracts.
     */
    function _finishMinting() internal virtual canMint {
        _mintingFinished = true;

        emit MintFinished();
    }
}


// File eth-token-recover/contracts/recover/RecoverERC20.sol@v6.1.1

// Original license: SPDX_License_Identifier: MIT

pragma solidity ^0.8.20;

/**
 * @title RecoverERC20
 * @dev Allows to recover any ERC20 token sent into the contract and send them to a receiver.
 */
abstract contract RecoverERC20 {
    /**
     * @dev Recovers a `tokenAmount` of the ERC20 `tokenAddress` locked into this contract
     * and sends them to the `tokenReceiver` address.
     *
     * WARNING: it allows everyone to recover tokens. Access controls MUST be defined in derived contracts.
     *
     * @param tokenAddress The contract address of the token to recover.
     * @param tokenReceiver The address that will receive the recovered tokens.
     * @param tokenAmount Number of tokens to be recovered.
     */
    function _recoverERC20(address tokenAddress, address tokenReceiver, uint256 tokenAmount) internal virtual {
        // slither-disable-next-line unchecked-transfer
        IERC20(tokenAddress).transfer(tokenReceiver, tokenAmount);
    }
}


// File eth-token-recover/contracts/recover/RecoverERC721.sol@v6.1.1

// Original license: SPDX_License_Identifier: MIT

pragma solidity ^0.8.20;

/**
 * @title RecoverERC721
 * @dev Allows to recover any ERC721 token sent into the contract and send them to a receiver.
 */
abstract contract RecoverERC721 {
    /**
     * @dev Recovers the `tokenId` of the ERC721 `tokenAddress` locked into this contract
     * and sends it to the `tokenReceiver` address.
     *
     * WARNING: it allows everyone to recover tokens. Access controls MUST be defined in derived contracts.
     *
     * @param tokenAddress The contract address of the token to recover.
     * @param tokenReceiver The address that will receive the recovered token.
     * @param tokenId The identifier for the NFT to be recovered.
     * @param data Additional data with no specified format.
     */
    function _recoverERC721(
        address tokenAddress,
        address tokenReceiver,
        uint256 tokenId,
        bytes memory data
    ) internal virtual {
        IERC721(tokenAddress).safeTransferFrom(address(this), tokenReceiver, tokenId, data);
    }
}


// File eth-token-recover/contracts/TokenRecover.sol@v6.1.1

// Original license: SPDX_License_Identifier: MIT

pragma solidity ^0.8.20;


/**
 * @title TokenRecover
 * @dev Allows the contract owner to recover any ERC20 or ERC721 token sent into the contract and send them to a receiver.
 */
abstract contract TokenRecover is Ownable, RecoverERC20, RecoverERC721 {
    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) Ownable(initialOwner) {}

    /**
     * @dev Recovers a `tokenAmount` of the ERC20 `tokenAddress` locked into this contract
     * and sends them to the `tokenReceiver` address.
     *
     * NOTE: restricting access to owner only. See `RecoverERC20::_recoverERC20`.
     *
     * @param tokenAddress The contract address of the token to recover.
     * @param tokenReceiver The address that will receive the recovered tokens.
     * @param tokenAmount Number of tokens to be recovered.
     */
    function recoverERC20(address tokenAddress, address tokenReceiver, uint256 tokenAmount) public virtual onlyOwner {
        _recoverERC20(tokenAddress, tokenReceiver, tokenAmount);
    }

    /**
     * @dev Recovers the `tokenId` of the ERC721 `tokenAddress` locked into this contract
     * and sends it to the `tokenReceiver` address.
     *
     * NOTE: restricting access to owner only. See `RecoverERC721::_recoverERC721`.
     *
     * @param tokenAddress The contract address of the token to recover.
     * @param tokenReceiver The address that will receive the recovered token.
     * @param tokenId The identifier for the NFT to be recovered.
     * @param data Additional data with no specified format.
     */
    function recoverERC721(
        address tokenAddress,
        address tokenReceiver,
        uint256 tokenId,
        bytes memory data
    ) public virtual onlyOwner {
        _recoverERC721(tokenAddress, tokenReceiver, tokenId, data);
    }
}


// File contracts/utils/Recover.sol

// Original license: SPDX_License_Identifier: MIT

pragma solidity ^0.8.20;

/**
 * @title Recover
 * @dev TokenRecover contract with deployer set as initial owner.
 */
abstract contract Recover is TokenRecover {
    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() TokenRecover(_msgSender()) {}
}


// File erc-payable-token/contracts/token/ERC1363/IERC1363.sol@v5.1.3

// Original license: SPDX_License_Identifier: MIT

pragma solidity ^0.8.20;


/**
 * @title IERC1363
 * @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].
 *
 * An extension interface for ERC-20 tokens that supports executing code on a recipient contract after
 * `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.
 */
interface IERC1363 is IERC20, IERC165 {
    /*
     * NOTE: the ERC-165 identifier for this interface is 0xb0202a11.
     * 0xb0202a11 ===
     *   bytes4(keccak256('transferAndCall(address,uint256)')) ^
     *   bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
     *   bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
     *   bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
     *   bytes4(keccak256('approveAndCall(address,uint256)')) ^
     *   bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
     */

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to` and then calls `onTransferReceived` on `to`.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferAndCall(address to, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to` and then calls `onTransferReceived` on `to`.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @param data Additional data with no specified format, sent in call to `to`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism and then calls `onTransferReceived` on `to`.
     * @param from The address which you want to send tokens from.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferFromAndCall(address from, address to, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism and then calls `onTransferReceived` on `to`.
     * @param from The address which you want to send tokens from.
     * @param to The address which you want to transfer to.
     * @param value The amount of tokens to be transferred.
     * @param data Additional data with no specified format, sent in call to `to`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the caller's tokens and then calls `onApprovalReceived` on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value) external returns (bool);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the caller's tokens and then calls `onApprovalReceived` on `spender`.
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @param data Additional data with no specified format, sent in call to `spender`.
     * @return A boolean value indicating whether the operation succeeded unless throwing.
     */
    function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}


// File erc-payable-token/contracts/token/ERC1363/IERC1363Errors.sol@v5.1.3

// Original license: SPDX_License_Identifier: MIT

pragma solidity ^0.8.20;

/**
 * @title IERC1363Errors
 * @dev Interface of the ERC-1363 custom errors following the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] rationale.
 */
interface IERC1363Errors {
    /**
     * @dev Indicates a failure with the token `receiver` as it can't be an EOA. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC1363EOAReceiver(address receiver);

    /**
     * @dev Indicates a failure with the token `spender` as it can't be an EOA. Used in approvals.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC1363EOASpender(address spender);

    /**
     * @dev Indicates a failure with the token `receiver`. Used in transfers.
     * @param receiver Address to which tokens are being transferred.
     */
    error ERC1363InvalidReceiver(address receiver);

    /**
     * @dev Indicates a failure with the token `spender`. Used in approvals.
     * @param spender Address that may be allowed to operate on tokens without being their owner.
     */
    error ERC1363InvalidSpender(address spender);
}


// File erc-payable-token/contracts/token/ERC1363/IERC1363Receiver.sol@v5.1.3

// Original license: SPDX_License_Identifier: MIT

pragma solidity ^0.8.20;

/**
 * @title IERC1363Receiver
 * @dev Interface for any contract that wants to support `transferAndCall` or `transferFromAndCall` from ERC-1363 token contracts.
 */
interface IERC1363Receiver {
    /**
     * @dev Whenever ERC-1363 tokens are transferred to this contract via `transferAndCall` or `transferFromAndCall` by `operator` from `from`, this function is called.
     *
     * NOTE: To accept the transfer, this must return
     * `bytes4(keccak256("onTransferReceived(address,address,uint256,bytes)"))`
     * (i.e. 0x88a7ca5c, or its own function selector).
     *
     * @param operator The address which called `transferAndCall` or `transferFromAndCall` function.
     * @param from The address which are tokens transferred from.
     * @param value The amount of tokens transferred.
     * @param data Additional data with no specified format.
     * @return `bytes4(keccak256("onTransferReceived(address,address,uint256,bytes)"))` if transfer is allowed unless throwing.
     */
    function onTransferReceived(
        address operator,
        address from,
        uint256 value,
        bytes calldata data
    ) external returns (bytes4);
}


// File erc-payable-token/contracts/token/ERC1363/IERC1363Spender.sol@v5.1.3

// Original license: SPDX_License_Identifier: MIT

pragma solidity ^0.8.20;

/**
 * @title ERC1363Spender
 * @dev Interface for any contract that wants to support `approveAndCall` from ERC-1363 token contracts.
 */
interface IERC1363Spender {
    /**
     * @dev Whenever an ERC-1363 token `owner` approves this contract via `approveAndCall` to spend their tokens, this function is called.
     *
     * NOTE: To accept the approval, this must return
     * `bytes4(keccak256("onApprovalReceived(address,uint256,bytes)"))`
     * (i.e. 0x7b04a2d0, or its own function selector).
     *
     * @param owner The address which called `approveAndCall` function and previously owned the tokens.
     * @param value The amount of tokens to be spent.
     * @param data Additional data with no specified format.
     * @return `bytes4(keccak256("onApprovalReceived(address,uint256,bytes)"))` if approval is allowed unless throwing.
     */
    function onApprovalReceived(address owner, uint256 value, bytes calldata data) external returns (bytes4);
}


// File erc-payable-token/contracts/token/ERC1363/ERC1363.sol@v5.1.3

// Original license: SPDX_License_Identifier: MIT

pragma solidity ^0.8.20;





/**
 * @title ERC1363
 * @dev Implementation of the ERC-1363 interface.
 *
 * Extension of ERC-20 tokens that supports executing code on a recipient contract after `transfer` or `transferFrom`,
 * or code on a spender contract after `approve`, in a single transaction.
 */
abstract contract ERC1363 is ERC20, ERC165, IERC1363, IERC1363Errors {
    /**
     * @inheritdoc IERC165
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
        return interfaceId == type(IERC1363).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @inheritdoc IERC1363
     */
    function transferAndCall(address to, uint256 value) public virtual returns (bool) {
        return transferAndCall(to, value, "");
    }

    /**
     * @inheritdoc IERC1363
     */
    function transferAndCall(address to, uint256 value, bytes memory data) public virtual returns (bool) {
        transfer(to, value);
        _checkOnTransferReceived(_msgSender(), to, value, data);
        return true;
    }

    /**
     * @inheritdoc IERC1363
     */
    function transferFromAndCall(address from, address to, uint256 value) public virtual returns (bool) {
        return transferFromAndCall(from, to, value, "");
    }

    /**
     * @inheritdoc IERC1363
     */
    function transferFromAndCall(
        address from,
        address to,
        uint256 value,
        bytes memory data
    ) public virtual returns (bool) {
        transferFrom(from, to, value);
        _checkOnTransferReceived(from, to, value, data);
        return true;
    }

    /**
     * @inheritdoc IERC1363
     */
    function approveAndCall(address spender, uint256 value) public virtual returns (bool) {
        return approveAndCall(spender, value, "");
    }

    /**
     * @inheritdoc IERC1363
     */
    function approveAndCall(address spender, uint256 value, bytes memory data) public virtual returns (bool) {
        approve(spender, value);
        _checkOnApprovalReceived(spender, value, data);
        return true;
    }

    /**
     * @dev Performs a call to `IERC1363Receiver::onTransferReceived` on a target address.
     * This will revert if the target doesn't implement the `IERC1363Receiver` interface or
     * if the target doesn't accept the token transfer or
     * if the target address is not a contract.
     *
     * @param from Address representing the previous owner of the given token amount.
     * @param to Target address that will receive the tokens.
     * @param value The amount of tokens to be transferred.
     * @param data Optional data to send along with the call.
     */
    function _checkOnTransferReceived(address from, address to, uint256 value, bytes memory data) private {
        if (to.code.length == 0) {
            revert ERC1363EOAReceiver(to);
        }

        try IERC1363Receiver(to).onTransferReceived(_msgSender(), from, value, data) returns (bytes4 retval) {
            if (retval != IERC1363Receiver.onTransferReceived.selector) {
                revert ERC1363InvalidReceiver(to);
            }
        } catch (bytes memory reason) {
            if (reason.length == 0) {
                revert ERC1363InvalidReceiver(to);
            } else {
                assembly {
                    revert(add(32, reason), mload(reason))
                }
            }
        }
    }

    /**
     * @dev Performs a call to `IERC1363Spender::onApprovalReceived` on a target address.
     * This will revert if the target doesn't implement the `IERC1363Spender` interface or
     * if the target doesn't accept the token approval or
     * if the target address is not a contract.
     *
     * @param spender The address which will spend the funds.
     * @param value The amount of tokens to be spent.
     * @param data Optional data to send along with the call.
     */
    function _checkOnApprovalReceived(address spender, uint256 value, bytes memory data) private {
        if (spender.code.length == 0) {
            revert ERC1363EOASpender(spender);
        }

        try IERC1363Spender(spender).onApprovalReceived(_msgSender(), value, data) returns (bytes4 retval) {
            if (retval != IERC1363Spender.onApprovalReceived.selector) {
                revert ERC1363InvalidSpender(spender);
            }
        } catch (bytes memory reason) {
            if (reason.length == 0) {
                revert ERC1363InvalidSpender(spender);
            } else {
                assembly {
                    revert(add(32, reason), mload(reason))
                }
            }
        }
    }
}


// File contracts/token/ERC20/AmazingERC20.sol

// Original license: SPDX_License_Identifier: MIT

pragma solidity ^0.8.20;

/**
 * @title AmazingERC20
 * @dev Implementation of the AmazingERC20.
 */
contract AmazingERC20 is ERC20Detailed, ERC20Burnable, ERC20Mintable, ERC1363, Recover, ServicePayer {
    constructor(
        string memory name_,
        string memory symbol_,
        uint8 decimals_,
        uint256 initialBalance_,
        bytes memory signature_,
        address payable feeReceiver_
    )
        payable
        ERC20Detailed(name_, symbol_, decimals_)
        ServicePayer(feeReceiver_, "AmazingERC20", signature_, _msgSender())
    {
        _generate(_msgSender(), initialBalance_);
    }

    /**
     * @dev Function to mint tokens.
     *
     * NOTE: restricting access to owner only. See `ERC20Mintable::_generate`.
     *
     * @param account The address that will receive the minted tokens.
     * @param value The amount of tokens to mint.
     */
    function mint(address account, uint256 value) external onlyOwner {
        super._generate(account, value);
    }

    /**
     * @dev Function to stop minting new tokens.
     *
     * NOTE: restricting access to owner only. See `ERC20Mintable::_finishMinting`.
     */
    function finishMinting() external onlyOwner {
        super._finishMinting();
    }

    /**
     * @inheritdoc ERC20Decimals
     */
    function decimals() public view override(ERC20, ERC20Decimals) returns (uint8) {
        return super.decimals();
    }
}