creation_sourcecode: // Sources flattened with hardhat v2.22.2 https://hardhat.org
  
  // SPDX-License-Identifier: MIT AND Unlicensed
  
  // File @openzeppelin/contracts/utils/Context.sol@v4.9.0
  
  // Original license: 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;
      }
  }
  
  
  // File @openzeppelin/contracts/access/Ownable.sol@v4.9.0
  
  // Original license: SPDX_License_Identifier: MIT
  // OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)
  
  pragma solidity ^0.8.0;
  
  /**
   * @dev Contract module which provides a basic access control mechanism, where
   * there is an account (an owner) that can be granted exclusive access to
   * specific functions.
   *
   * By default, the owner account will be the one that deploys the contract. This
   * can later be changed with {transferOwnership}.
   *
   * This module is used through inheritance. It will make available the modifier
   * `onlyOwner`, which can be applied to your functions to restrict their use to
   * the owner.
   */
  abstract contract Ownable is Context {
      address private _owner;
  
      event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
  
      /**
       * @dev Initializes the contract setting the deployer as the initial owner.
       */
      constructor() {
          _transferOwnership(_msgSender());
      }
  
      /**
       * @dev Throws if called by any account other than the owner.
       */
      modifier onlyOwner() {
          _checkOwner();
          _;
      }
  
      /**
       * @dev Returns the address of the current owner.
       */
      function owner() public view virtual returns (address) {
          return _owner;
      }
  
      /**
       * @dev Throws if the sender is not the owner.
       */
      function _checkOwner() internal view virtual {
          require(owner() == _msgSender(), "Ownable: caller is not the owner");
      }
  
      /**
       * @dev Leaves the contract without owner. It will not be possible to call
       * `onlyOwner` functions. Can only be called by the current owner.
       *
       * NOTE: Renouncing ownership will leave the contract without an owner,
       * thereby disabling any functionality that is only available to the owner.
       */
      function renounceOwnership() public virtual onlyOwner {
          _transferOwnership(address(0));
      }
  
      /**
       * @dev Transfers ownership of the contract to a new account (`newOwner`).
       * Can only be called by the current owner.
       */
      function transferOwnership(address newOwner) public virtual onlyOwner {
          require(newOwner != address(0), "Ownable: new owner is the zero address");
          _transferOwnership(newOwner);
      }
  
      /**
       * @dev Transfers ownership of the contract to a new account (`newOwner`).
       * Internal function without access restriction.
       */
      function _transferOwnership(address newOwner) internal virtual {
          address oldOwner = _owner;
          _owner = newOwner;
          emit OwnershipTransferred(oldOwner, newOwner);
      }
  }
  
  
  // File @openzeppelin/contracts/utils/introspection/IERC165.sol@v4.9.0
  
  // Original license: 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);
  }
  
  
  // File @openzeppelin/contracts/token/ERC1155/IERC1155.sol@v4.9.0
  
  // Original license: SPDX_License_Identifier: MIT
  // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC1155/IERC1155.sol)
  
  pragma solidity ^0.8.0;
  
  /**
   * @dev Required interface of an ERC1155 compliant contract, as defined in the
   * https://eips.ethereum.org/EIPS/eip-1155[EIP].
   *
   * _Available since v3.1._
   */
  interface IERC1155 is IERC165 {
      /**
       * @dev Emitted when `value` tokens of token type `id` are transferred from `from` to `to` by `operator`.
       */
      event TransferSingle(address indexed operator, address indexed from, address indexed to, uint256 id, uint256 value);
  
      /**
       * @dev Equivalent to multiple {TransferSingle} events, where `operator`, `from` and `to` are the same for all
       * transfers.
       */
      event TransferBatch(
          address indexed operator,
          address indexed from,
          address indexed to,
          uint256[] ids,
          uint256[] values
      );
  
      /**
       * @dev Emitted when `account` grants or revokes permission to `operator` to transfer their tokens, according to
       * `approved`.
       */
      event ApprovalForAll(address indexed account, address indexed operator, bool approved);
  
      /**
       * @dev Emitted when the URI for token type `id` changes to `value`, if it is a non-programmatic URI.
       *
       * If an {URI} event was emitted for `id`, the standard
       * https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[guarantees] that `value` will equal the value
       * returned by {IERC1155MetadataURI-uri}.
       */
      event URI(string value, uint256 indexed id);
  
      /**
       * @dev Returns the amount of tokens of token type `id` owned by `account`.
       *
       * Requirements:
       *
       * - `account` cannot be the zero address.
       */
      function balanceOf(address account, uint256 id) external view returns (uint256);
  
      /**
       * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {balanceOf}.
       *
       * Requirements:
       *
       * - `accounts` and `ids` must have the same length.
       */
      function balanceOfBatch(
          address[] calldata accounts,
          uint256[] calldata ids
      ) external view returns (uint256[] memory);
  
      /**
       * @dev Grants or revokes permission to `operator` to transfer the caller's tokens, according to `approved`,
       *
       * Emits an {ApprovalForAll} event.
       *
       * Requirements:
       *
       * - `operator` cannot be the caller.
       */
      function setApprovalForAll(address operator, bool approved) external;
  
      /**
       * @dev Returns true if `operator` is approved to transfer ``account``'s tokens.
       *
       * See {setApprovalForAll}.
       */
      function isApprovedForAll(address account, address operator) external view returns (bool);
  
      /**
       * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
       *
       * Emits a {TransferSingle} event.
       *
       * Requirements:
       *
       * - `to` cannot be the zero address.
       * - If the caller is not `from`, it must have been approved to spend ``from``'s tokens via {setApprovalForAll}.
       * - `from` must have a balance of tokens of type `id` of at least `amount`.
       * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
       * acceptance magic value.
       */
      function safeTransferFrom(address from, address to, uint256 id, uint256 amount, bytes calldata data) external;
  
      /**
       * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {safeTransferFrom}.
       *
       * Emits a {TransferBatch} event.
       *
       * Requirements:
       *
       * - `ids` and `amounts` must have the same length.
       * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
       * acceptance magic value.
       */
      function safeBatchTransferFrom(
          address from,
          address to,
          uint256[] calldata ids,
          uint256[] calldata amounts,
          bytes calldata data
      ) external;
  }
  
  
  // File @openzeppelin/contracts/token/ERC1155/extensions/IERC1155MetadataURI.sol@v4.9.0
  
  // Original license: SPDX_License_Identifier: MIT
  // OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)
  
  pragma solidity ^0.8.0;
  
  /**
   * @dev Interface of the optional ERC1155MetadataExtension interface, as defined
   * in the https://eips.ethereum.org/EIPS/eip-1155#metadata-extensions[EIP].
   *
   * _Available since v3.1._
   */
  interface IERC1155MetadataURI is IERC1155 {
      /**
       * @dev Returns the URI for token type `id`.
       *
       * If the `\{id\}` substring is present in the URI, it must be replaced by
       * clients with the actual token type ID.
       */
      function uri(uint256 id) external view returns (string memory);
  }
  
  
  // File @openzeppelin/contracts/token/ERC1155/IERC1155Receiver.sol@v4.9.0
  
  // Original license: SPDX_License_Identifier: MIT
  // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)
  
  pragma solidity ^0.8.0;
  
  /**
   * @dev _Available since v3.1._
   */
  interface IERC1155Receiver is IERC165 {
      /**
       * @dev Handles the receipt of a single ERC1155 token type. This function is
       * called at the end of a `safeTransferFrom` after the balance has been updated.
       *
       * NOTE: To accept the transfer, this must return
       * `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))`
       * (i.e. 0xf23a6e61, or its own function selector).
       *
       * @param operator The address which initiated the transfer (i.e. msg.sender)
       * @param from The address which previously owned the token
       * @param id The ID of the token being transferred
       * @param value The amount of tokens being transferred
       * @param data Additional data with no specified format
       * @return `bytes4(keccak256("onERC1155Received(address,address,uint256,uint256,bytes)"))` if transfer is allowed
       */
      function onERC1155Received(
          address operator,
          address from,
          uint256 id,
          uint256 value,
          bytes calldata data
      ) external returns (bytes4);
  
      /**
       * @dev Handles the receipt of a multiple ERC1155 token types. This function
       * is called at the end of a `safeBatchTransferFrom` after the balances have
       * been updated.
       *
       * NOTE: To accept the transfer(s), this must return
       * `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))`
       * (i.e. 0xbc197c81, or its own function selector).
       *
       * @param operator The address which initiated the batch transfer (i.e. msg.sender)
       * @param from The address which previously owned the token
       * @param ids An array containing ids of each token being transferred (order and length must match values array)
       * @param values An array containing amounts of each token being transferred (order and length must match ids array)
       * @param data Additional data with no specified format
       * @return `bytes4(keccak256("onERC1155BatchReceived(address,address,uint256[],uint256[],bytes)"))` if transfer is allowed
       */
      function onERC1155BatchReceived(
          address operator,
          address from,
          uint256[] calldata ids,
          uint256[] calldata values,
          bytes calldata data
      ) external returns (bytes4);
  }
  
  
  // File @openzeppelin/contracts/utils/Address.sol@v4.9.0
  
  // Original license: SPDX_License_Identifier: MIT
  // OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)
  
  pragma solidity ^0.8.1;
  
  /**
   * @dev Collection of functions related to the address type
   */
  library 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
       *
       * Furthermore, `isContract` will also return true if the target contract within
       * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
       * which only has an effect at the end of a transaction.
       * ====
       *
       * [IMPORTANT]
       * ====
       * You shouldn't rely on `isContract` to protect against flash loan attacks!
       *
       * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
       * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
       * constructor.
       * ====
       */
      function isContract(address account) internal view returns (bool) {
          // This method relies on extcodesize/address.code.length, which returns 0
          // for contracts in construction, since the code is only stored at the end
          // of the constructor execution.
  
          return account.code.length > 0;
      }
  
      /**
       * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
       * `recipient`, forwarding all available gas and reverting on errors.
       *
       * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
       * of certain opcodes, possibly making contracts go over the 2300 gas limit
       * imposed by `transfer`, making them unable to receive funds via
       * `transfer`. {sendValue} removes this limitation.
       *
       * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
       *
       * IMPORTANT: because control is transferred to `recipient`, care must be
       * taken to not create reentrancy vulnerabilities. Consider using
       * {ReentrancyGuard} or the
       * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
       */
      function sendValue(address payable recipient, uint256 amount) internal {
          require(address(this).balance >= amount, "Address: insufficient balance");
  
          (bool success, ) = recipient.call{value: amount}("");
          require(success, "Address: unable to send value, recipient may have reverted");
      }
  
      /**
       * @dev Performs a Solidity function call using a low level `call`. A
       * plain `call` is an unsafe replacement for a function call: use this
       * function instead.
       *
       * If `target` reverts with a revert reason, it is bubbled up by this
       * function (like regular Solidity function calls).
       *
       * Returns the raw returned data. To convert to the expected return value,
       * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
       *
       * Requirements:
       *
       * - `target` must be a contract.
       * - calling `target` with `data` must not revert.
       *
       * _Available since v3.1._
       */
      function functionCall(address target, bytes memory data) internal returns (bytes memory) {
          return functionCallWithValue(target, data, 0, "Address: low-level call failed");
      }
  
      /**
       * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
       * `errorMessage` as a fallback revert reason when `target` reverts.
       *
       * _Available since v3.1._
       */
      function functionCall(
          address target,
          bytes memory data,
          string memory errorMessage
      ) internal returns (bytes memory) {
          return functionCallWithValue(target, data, 0, errorMessage);
      }
  
      /**
       * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
       * but also transferring `value` wei to `target`.
       *
       * Requirements:
       *
       * - the calling contract must have an ETH balance of at least `value`.
       * - the called Solidity function must be `payable`.
       *
       * _Available since v3.1._
       */
      function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
          return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
      }
  
      /**
       * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
       * with `errorMessage` as a fallback revert reason when `target` reverts.
       *
       * _Available since v3.1._
       */
      function functionCallWithValue(
          address target,
          bytes memory data,
          uint256 value,
          string memory errorMessage
      ) internal returns (bytes memory) {
          require(address(this).balance >= value, "Address: insufficient balance for call");
          (bool success, bytes memory returndata) = target.call{value: value}(data);
          return verifyCallResultFromTarget(target, success, returndata, errorMessage);
      }
  
      /**
       * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
       * but performing a static call.
       *
       * _Available since v3.3._
       */
      function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
          return functionStaticCall(target, data, "Address: low-level static call failed");
      }
  
      /**
       * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
       * but performing a static call.
       *
       * _Available since v3.3._
       */
      function functionStaticCall(
          address target,
          bytes memory data,
          string memory errorMessage
      ) internal view returns (bytes memory) {
          (bool success, bytes memory returndata) = target.staticcall(data);
          return verifyCallResultFromTarget(target, success, returndata, errorMessage);
      }
  
      /**
       * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
       * but performing a delegate call.
       *
       * _Available since v3.4._
       */
      function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
          return functionDelegateCall(target, data, "Address: low-level delegate call failed");
      }
  
      /**
       * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
       * but performing a delegate call.
       *
       * _Available since v3.4._
       */
      function functionDelegateCall(
          address target,
          bytes memory data,
          string memory errorMessage
      ) internal returns (bytes memory) {
          (bool success, bytes memory returndata) = target.delegatecall(data);
          return verifyCallResultFromTarget(target, success, returndata, errorMessage);
      }
  
      /**
       * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
       * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
       *
       * _Available since v4.8._
       */
      function verifyCallResultFromTarget(
          address target,
          bool success,
          bytes memory returndata,
          string memory errorMessage
      ) internal view returns (bytes memory) {
          if (success) {
              if (returndata.length == 0) {
                  // only check isContract if the call was successful and the return data is empty
                  // otherwise we already know that it was a contract
                  require(isContract(target), "Address: call to non-contract");
              }
              return returndata;
          } else {
              _revert(returndata, errorMessage);
          }
      }
  
      /**
       * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
       * revert reason or using the provided one.
       *
       * _Available since v4.3._
       */
      function verifyCallResult(
          bool success,
          bytes memory returndata,
          string memory errorMessage
      ) internal pure returns (bytes memory) {
          if (success) {
              return returndata;
          } else {
              _revert(returndata, errorMessage);
          }
      }
  
      function _revert(bytes memory returndata, string memory errorMessage) private pure {
          // Look for revert reason and bubble it up if present
          if (returndata.length > 0) {
              // The easiest way to bubble the revert reason is using memory via assembly
              /// @solidity memory-safe-assembly
              assembly {
                  let returndata_size := mload(returndata)
                  revert(add(32, returndata), returndata_size)
              }
          } else {
              revert(errorMessage);
          }
      }
  }
  
  
  // File @openzeppelin/contracts/utils/introspection/ERC165.sol@v4.9.0
  
  // Original license: SPDX_License_Identifier: MIT
  // OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)
  
  pragma solidity ^0.8.0;
  
  /**
   * @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;
      }
  }
  
  
  // File @openzeppelin/contracts/token/ERC1155/ERC1155.sol@v4.9.0
  
  // Original license: SPDX_License_Identifier: MIT
  // OpenZeppelin Contracts (last updated v4.9.0) (token/ERC1155/ERC1155.sol)
  
  pragma solidity ^0.8.0;
  
  
  
  
  
  
  /**
   * @dev Implementation of the basic standard multi-token.
   * See https://eips.ethereum.org/EIPS/eip-1155
   * Originally based on code by Enjin: https://github.com/enjin/erc-1155
   *
   * _Available since v3.1._
   */
  contract ERC1155 is Context, ERC165, IERC1155, IERC1155MetadataURI {
      using Address for address;
  
      // Mapping from token ID to account balances
      mapping(uint256 => mapping(address => uint256)) private _balances;
  
      // Mapping from account to operator approvals
      mapping(address => mapping(address => bool)) private _operatorApprovals;
  
      // Used as the URI for all token types by relying on ID substitution, e.g. https://token-cdn-domain/{id}.json
      string private _uri;
  
      /**
       * @dev See {_setURI}.
       */
      constructor(string memory uri_) {
          _setURI(uri_);
      }
  
      /**
       * @dev See {IERC165-supportsInterface}.
       */
      function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
          return
              interfaceId == type(IERC1155).interfaceId ||
              interfaceId == type(IERC1155MetadataURI).interfaceId ||
              super.supportsInterface(interfaceId);
      }
  
      /**
       * @dev See {IERC1155MetadataURI-uri}.
       *
       * This implementation returns the same URI for *all* token types. It relies
       * on the token type ID substitution mechanism
       * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
       *
       * Clients calling this function must replace the `\{id\}` substring with the
       * actual token type ID.
       */
      function uri(uint256) public view virtual override returns (string memory) {
          return _uri;
      }
  
      /**
       * @dev See {IERC1155-balanceOf}.
       *
       * Requirements:
       *
       * - `account` cannot be the zero address.
       */
      function balanceOf(address account, uint256 id) public view virtual override returns (uint256) {
          require(account != address(0), "ERC1155: address zero is not a valid owner");
          return _balances[id][account];
      }
  
      /**
       * @dev See {IERC1155-balanceOfBatch}.
       *
       * Requirements:
       *
       * - `accounts` and `ids` must have the same length.
       */
      function balanceOfBatch(
          address[] memory accounts,
          uint256[] memory ids
      ) public view virtual override returns (uint256[] memory) {
          require(accounts.length == ids.length, "ERC1155: accounts and ids length mismatch");
  
          uint256[] memory batchBalances = new uint256[](accounts.length);
  
          for (uint256 i = 0; i < accounts.length; ++i) {
              batchBalances[i] = balanceOf(accounts[i], ids[i]);
          }
  
          return batchBalances;
      }
  
      /**
       * @dev See {IERC1155-setApprovalForAll}.
       */
      function setApprovalForAll(address operator, bool approved) public virtual override {
          _setApprovalForAll(_msgSender(), operator, approved);
      }
  
      /**
       * @dev See {IERC1155-isApprovedForAll}.
       */
      function isApprovedForAll(address account, address operator) public view virtual override returns (bool) {
          return _operatorApprovals[account][operator];
      }
  
      /**
       * @dev See {IERC1155-safeTransferFrom}.
       */
      function safeTransferFrom(
          address from,
          address to,
          uint256 id,
          uint256 amount,
          bytes memory data
      ) public virtual override {
          require(
              from == _msgSender() || isApprovedForAll(from, _msgSender()),
              "ERC1155: caller is not token owner or approved"
          );
          _safeTransferFrom(from, to, id, amount, data);
      }
  
      /**
       * @dev See {IERC1155-safeBatchTransferFrom}.
       */
      function safeBatchTransferFrom(
          address from,
          address to,
          uint256[] memory ids,
          uint256[] memory amounts,
          bytes memory data
      ) public virtual override {
          require(
              from == _msgSender() || isApprovedForAll(from, _msgSender()),
              "ERC1155: caller is not token owner or approved"
          );
          _safeBatchTransferFrom(from, to, ids, amounts, data);
      }
  
      /**
       * @dev Transfers `amount` tokens of token type `id` from `from` to `to`.
       *
       * Emits a {TransferSingle} event.
       *
       * Requirements:
       *
       * - `to` cannot be the zero address.
       * - `from` must have a balance of tokens of type `id` of at least `amount`.
       * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
       * acceptance magic value.
       */
      function _safeTransferFrom(
          address from,
          address to,
          uint256 id,
          uint256 amount,
          bytes memory data
      ) internal virtual {
          require(to != address(0), "ERC1155: transfer to the zero address");
  
          address operator = _msgSender();
          uint256[] memory ids = _asSingletonArray(id);
          uint256[] memory amounts = _asSingletonArray(amount);
  
          _beforeTokenTransfer(operator, from, to, ids, amounts, data);
  
          uint256 fromBalance = _balances[id][from];
          require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
          unchecked {
              _balances[id][from] = fromBalance - amount;
          }
          _balances[id][to] += amount;
  
          emit TransferSingle(operator, from, to, id, amount);
  
          _afterTokenTransfer(operator, from, to, ids, amounts, data);
  
          _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data);
      }
  
      /**
       * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_safeTransferFrom}.
       *
       * Emits a {TransferBatch} event.
       *
       * Requirements:
       *
       * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
       * acceptance magic value.
       */
      function _safeBatchTransferFrom(
          address from,
          address to,
          uint256[] memory ids,
          uint256[] memory amounts,
          bytes memory data
      ) internal virtual {
          require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
          require(to != address(0), "ERC1155: transfer to the zero address");
  
          address operator = _msgSender();
  
          _beforeTokenTransfer(operator, from, to, ids, amounts, data);
  
          for (uint256 i = 0; i < ids.length; ++i) {
              uint256 id = ids[i];
              uint256 amount = amounts[i];
  
              uint256 fromBalance = _balances[id][from];
              require(fromBalance >= amount, "ERC1155: insufficient balance for transfer");
              unchecked {
                  _balances[id][from] = fromBalance - amount;
              }
              _balances[id][to] += amount;
          }
  
          emit TransferBatch(operator, from, to, ids, amounts);
  
          _afterTokenTransfer(operator, from, to, ids, amounts, data);
  
          _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);
      }
  
      /**
       * @dev Sets a new URI for all token types, by relying on the token type ID
       * substitution mechanism
       * https://eips.ethereum.org/EIPS/eip-1155#metadata[defined in the EIP].
       *
       * By this mechanism, any occurrence of the `\{id\}` substring in either the
       * URI or any of the amounts in the JSON file at said URI will be replaced by
       * clients with the token type ID.
       *
       * For example, the `https://token-cdn-domain/\{id\}.json` URI would be
       * interpreted by clients as
       * `https://token-cdn-domain/000000000000000000000000000000000000000000000000000000000004cce0.json`
       * for token type ID 0x4cce0.
       *
       * See {uri}.
       *
       * Because these URIs cannot be meaningfully represented by the {URI} event,
       * this function emits no events.
       */
      function _setURI(string memory newuri) internal virtual {
          _uri = newuri;
      }
  
      /**
       * @dev Creates `amount` tokens of token type `id`, and assigns them to `to`.
       *
       * Emits a {TransferSingle} event.
       *
       * Requirements:
       *
       * - `to` cannot be the zero address.
       * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155Received} and return the
       * acceptance magic value.
       */
      function _mint(address to, uint256 id, uint256 amount, bytes memory data) internal virtual {
          require(to != address(0), "ERC1155: mint to the zero address");
  
          address operator = _msgSender();
          uint256[] memory ids = _asSingletonArray(id);
          uint256[] memory amounts = _asSingletonArray(amount);
  
          _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);
  
          _balances[id][to] += amount;
          emit TransferSingle(operator, address(0), to, id, amount);
  
          _afterTokenTransfer(operator, address(0), to, ids, amounts, data);
  
          _doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data);
      }
  
      /**
       * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_mint}.
       *
       * Emits a {TransferBatch} event.
       *
       * Requirements:
       *
       * - `ids` and `amounts` must have the same length.
       * - If `to` refers to a smart contract, it must implement {IERC1155Receiver-onERC1155BatchReceived} and return the
       * acceptance magic value.
       */
      function _mintBatch(
          address to,
          uint256[] memory ids,
          uint256[] memory amounts,
          bytes memory data
      ) internal virtual {
          require(to != address(0), "ERC1155: mint to the zero address");
          require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
  
          address operator = _msgSender();
  
          _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);
  
          for (uint256 i = 0; i < ids.length; i++) {
              _balances[ids[i]][to] += amounts[i];
          }
  
          emit TransferBatch(operator, address(0), to, ids, amounts);
  
          _afterTokenTransfer(operator, address(0), to, ids, amounts, data);
  
          _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);
      }
  
      /**
       * @dev Destroys `amount` tokens of token type `id` from `from`
       *
       * Emits a {TransferSingle} event.
       *
       * Requirements:
       *
       * - `from` cannot be the zero address.
       * - `from` must have at least `amount` tokens of token type `id`.
       */
      function _burn(address from, uint256 id, uint256 amount) internal virtual {
          require(from != address(0), "ERC1155: burn from the zero address");
  
          address operator = _msgSender();
          uint256[] memory ids = _asSingletonArray(id);
          uint256[] memory amounts = _asSingletonArray(amount);
  
          _beforeTokenTransfer(operator, from, address(0), ids, amounts, "");
  
          uint256 fromBalance = _balances[id][from];
          require(fromBalance >= amount, "ERC1155: burn amount exceeds balance");
          unchecked {
              _balances[id][from] = fromBalance - amount;
          }
  
          emit TransferSingle(operator, from, address(0), id, amount);
  
          _afterTokenTransfer(operator, from, address(0), ids, amounts, "");
      }
  
      /**
       * @dev xref:ROOT:erc1155.adoc#batch-operations[Batched] version of {_burn}.
       *
       * Emits a {TransferBatch} event.
       *
       * Requirements:
       *
       * - `ids` and `amounts` must have the same length.
       */
      function _burnBatch(address from, uint256[] memory ids, uint256[] memory amounts) internal virtual {
          require(from != address(0), "ERC1155: burn from the zero address");
          require(ids.length == amounts.length, "ERC1155: ids and amounts length mismatch");
  
          address operator = _msgSender();
  
          _beforeTokenTransfer(operator, from, address(0), ids, amounts, "");
  
          for (uint256 i = 0; i < ids.length; i++) {
              uint256 id = ids[i];
              uint256 amount = amounts[i];
  
              uint256 fromBalance = _balances[id][from];
              require(fromBalance >= amount, "ERC1155: burn amount exceeds balance");
              unchecked {
                  _balances[id][from] = fromBalance - amount;
              }
          }
  
          emit TransferBatch(operator, from, address(0), ids, amounts);
  
          _afterTokenTransfer(operator, from, address(0), ids, amounts, "");
      }
  
      /**
       * @dev Approve `operator` to operate on all of `owner` tokens
       *
       * Emits an {ApprovalForAll} event.
       */
      function _setApprovalForAll(address owner, address operator, bool approved) internal virtual {
          require(owner != operator, "ERC1155: setting approval status for self");
          _operatorApprovals[owner][operator] = approved;
          emit ApprovalForAll(owner, operator, approved);
      }
  
      /**
       * @dev Hook that is called before any token transfer. This includes minting
       * and burning, as well as batched variants.
       *
       * The same hook is called on both single and batched variants. For single
       * transfers, the length of the `ids` and `amounts` arrays will be 1.
       *
       * Calling conditions (for each `id` and `amount` pair):
       *
       * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
       * of token type `id` will be  transferred to `to`.
       * - When `from` is zero, `amount` tokens of token type `id` will be minted
       * for `to`.
       * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
       * will be burned.
       * - `from` and `to` are never both zero.
       * - `ids` and `amounts` have the same, non-zero length.
       *
       * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
       */
      function _beforeTokenTransfer(
          address operator,
          address from,
          address to,
          uint256[] memory ids,
          uint256[] memory amounts,
          bytes memory data
      ) internal virtual {}
  
      /**
       * @dev Hook that is called after any token transfer. This includes minting
       * and burning, as well as batched variants.
       *
       * The same hook is called on both single and batched variants. For single
       * transfers, the length of the `id` and `amount` arrays will be 1.
       *
       * Calling conditions (for each `id` and `amount` pair):
       *
       * - When `from` and `to` are both non-zero, `amount` of ``from``'s tokens
       * of token type `id` will be  transferred to `to`.
       * - When `from` is zero, `amount` tokens of token type `id` will be minted
       * for `to`.
       * - when `to` is zero, `amount` of ``from``'s tokens of token type `id`
       * will be burned.
       * - `from` and `to` are never both zero.
       * - `ids` and `amounts` have the same, non-zero length.
       *
       * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
       */
      function _afterTokenTransfer(
          address operator,
          address from,
          address to,
          uint256[] memory ids,
          uint256[] memory amounts,
          bytes memory data
      ) internal virtual {}
  
      function _doSafeTransferAcceptanceCheck(
          address operator,
          address from,
          address to,
          uint256 id,
          uint256 amount,
          bytes memory data
      ) private {
          if (to.isContract()) {
              try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
                  if (response != IERC1155Receiver.onERC1155Received.selector) {
                      revert("ERC1155: ERC1155Receiver rejected tokens");
                  }
              } catch Error(string memory reason) {
                  revert(reason);
              } catch {
                  revert("ERC1155: transfer to non-ERC1155Receiver implementer");
              }
          }
      }
  
      function _doSafeBatchTransferAcceptanceCheck(
          address operator,
          address from,
          address to,
          uint256[] memory ids,
          uint256[] memory amounts,
          bytes memory data
      ) private {
          if (to.isContract()) {
              try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (
                  bytes4 response
              ) {
                  if (response != IERC1155Receiver.onERC1155BatchReceived.selector) {
                      revert("ERC1155: ERC1155Receiver rejected tokens");
                  }
              } catch Error(string memory reason) {
                  revert(reason);
              } catch {
                  revert("ERC1155: transfer to non-ERC1155Receiver implementer");
              }
          }
      }
  
      function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) {
          uint256[] memory array = new uint256[](1);
          array[0] = element;
  
          return array;
      }
  }
  
  
  // File @openzeppelin/contracts/token/ERC1155/utils/ERC1155Receiver.sol@v4.9.0
  
  // Original license: SPDX_License_Identifier: MIT
  // OpenZeppelin Contracts v4.4.1 (token/ERC1155/utils/ERC1155Receiver.sol)
  
  pragma solidity ^0.8.0;
  
  
  /**
   * @dev _Available since v3.1._
   */
  abstract contract ERC1155Receiver is ERC165, IERC1155Receiver {
      /**
       * @dev See {IERC165-supportsInterface}.
       */
      function supportsInterface(bytes4 interfaceId) public view virtual override(ERC165, IERC165) returns (bool) {
          return interfaceId == type(IERC1155Receiver).interfaceId || super.supportsInterface(interfaceId);
      }
  }
  
  
  // File @openzeppelin/contracts/token/ERC1155/utils/ERC1155Holder.sol@v4.9.0
  
  // Original license: SPDX_License_Identifier: MIT
  // OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/utils/ERC1155Holder.sol)
  
  pragma solidity ^0.8.0;
  
  /**
   * Simple implementation of `ERC1155Receiver` that will allow a contract to hold ERC1155 tokens.
   *
   * IMPORTANT: When inheriting this contract, you must include a way to use the received tokens, otherwise they will be
   * stuck.
   *
   * @dev _Available since v3.1._
   */
  contract ERC1155Holder is ERC1155Receiver {
      function onERC1155Received(
          address,
          address,
          uint256,
          uint256,
          bytes memory
      ) public virtual override returns (bytes4) {
          return this.onERC1155Received.selector;
      }
  
      function onERC1155BatchReceived(
          address,
          address,
          uint256[] memory,
          uint256[] memory,
          bytes memory
      ) public virtual override returns (bytes4) {
          return this.onERC1155BatchReceived.selector;
      }
  }
  
  
  // File @openzeppelin/contracts/security/ReentrancyGuard.sol@v4.9.0
  
  // Original license: SPDX_License_Identifier: MIT
  // OpenZeppelin Contracts (last updated v4.9.0) (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;
      }
  
      /**
       * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
       * `nonReentrant` function in the call stack.
       */
      function _reentrancyGuardEntered() internal view returns (bool) {
          return _status == _ENTERED;
      }
  }
  
  
  // File @openzeppelin/contracts/token/ERC20/IERC20.sol@v4.9.0
  
  // Original license: SPDX_License_Identifier: MIT
  // OpenZeppelin Contracts (last updated v4.9.0) (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);
  }
  
  
  // File contracts/utils/ERC69Errors.sol
  
  // Original license: SPDX_License_Identifier: Unlicensed
  pragma solidity 0.8.25;
  
  abstract contract ERC69Errors {
      error ExceedsMaxSupply();
      error InsufficientMFTsToWrap();
      error InvalidTokenId();
      error UnwrapZeroAmount();
      error WaitBeforeUnwrappingAgain();
      error WrapZeroAmount();
  }
  
  
  // File contracts/ERC69_1155.sol
  
  // Original license: SPDX_License_Identifier: Unlicensed
  pragma solidity 0.8.25;
  
  
  
  
  
  
  interface IUniswapV2Factory {
      function createPair(
          address tokenA,
          address tokenB
      ) external returns (address pair);
  }
  
  interface IUniswapV2Router02 {
      function swapExactTokensForETHSupportingFeeOnTransferTokens(
          uint amountIn,
          uint amountOutMin,
          address[] calldata path,
          address to,
          uint deadline
      ) external;
      function factory() external pure returns (address);
      function WETH() external pure returns (address);
      function addLiquidityETH(
          address token,
          uint amountTokenDesired,
          uint amountTokenMin,
          uint amountETHMin,
          address to,
          uint deadline
      )
          external
          payable
          returns (uint amountToken, uint amountETH, uint liquidity);
  }
  
  abstract contract ERC69_1155 is
      ERC69Errors,
      ERC1155,
      ERC1155Holder,
      Ownable,
      ReentrancyGuard
  {
      IERC20 public _erc20Token; // deposit token
      string private _name; // name of the token
      string private _symbol; // symbol of the token
      string private _baseURI; // base URI for the token
  
      uint256 private constant MAX_UINT = type(uint256).max;
      uint256 private _maxSupply; // max supply of MFTs
      uint256 private constant MFT = 1; // MFT token id
      uint256 private _tokenAmount; // amount of deposit token to wrap
      uint256 public unwrapFee = 500; // e.g., 500 for 5%
      uint256 public _accFee;
      uint256 private _feeThreshold = 10; // e.g., 10 for 0.1%
      address payable private _feeRecipient;
      address public uniswapV2Pair;
      IUniswapV2Router02 public uniswapV2Router;
      event Unwrap(address indexed sender, uint256 amount);
      event Wrap(address indexed sender, uint256 amount);
  
      /**
       * @dev Sets the values for {name_}, {symbol_}, {baseURI_}, {erc20Token_}, {tokenAmount_}, and {maxSupply_}
       *
       * @param name_  immutable name of the token
       * @param symbol_  immutable symbol of the token
       * @param baseURI_  base URI for the token
       * @param erc20Token_  address of the deposit token
       * @param tokenAmount_  amount of deposit token to wrap
       * @param maxSupply_  max supply of MFTs
       */
      constructor(
          string memory name_,
          string memory symbol_,
          string memory baseURI_,
          address erc20Token_,
          uint256 tokenAmount_,
          uint256 maxSupply_
      ) ERC1155("") {
          _name = name_;
          _symbol = symbol_;
          _baseURI = baseURI_;
          _maxSupply = maxSupply_;
          _erc20Token = IERC20(erc20Token_);
          _tokenAmount = tokenAmount_;
  
          uniswapV2Router = IUniswapV2Router02(
              0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
          );
  
          _mint(address(this), MFT, maxSupply_, "");
      }
  
      /**
       * @dev Returns the base URI
       */
      function baseURI() public view virtual returns (string memory) {
          return _baseURI;
      }
  
      /**
       * @dev Returns the name of the token
       */
      function name() public view virtual returns (string memory) {
          return _name;
      }
  
      /**
       * @dev Returns the symbol of the token
       */
      function symbol() public view virtual returns (string memory) {
          return _symbol;
      }
  
      function setFeeRecipient(address payable wallet_) external onlyOwner {
          _feeRecipient = wallet_;
      }
  
      /**
       * @dev Returns the address of the deposit token
       */
      function erc20Token() public view virtual returns (address) {
          return address(_erc20Token);
      }
  
      /**
       * @dev Returns the max supply of MFTs
       */
      function maxSupply() public view virtual returns (uint256) {
          return _maxSupply;
      }
  
      /**
       * @dev Returns the amount of deposit token to wrap
       */
      function tokenAmount() public view virtual returns (uint256) {
          return _tokenAmount;
      }
  
      /**
       * @dev Returns the total supply of MFTs
       */
      function totalSupply() public view returns (uint256) {
          return _maxSupply;
      }
  
      /**
       * @dev Return expected token amount to unwrap
       *
       * @param amount_ amount of MFTs to unwrap
       */
      function prepareUnwrap(uint256 amount_) external view returns (uint256) {
          if (amount_ == 0) revert UnwrapZeroAmount();
          uint256 fee = _calculateFee(amount_, unwrapFee);
          require(fee > 0, "Invalid Operation");
  
          return _tokenAmount * amount_ - fee;
      }
  
      /**
       * @dev Unwrap mft to token
       *
       * @param amount_ amount of tokens to unwrap
       */
      function unwrap(uint256 amount_) public virtual nonReentrant {
          if (amount_ == 0) revert UnwrapZeroAmount();
          uint256 fee = _calculateFee(amount_, unwrapFee);
          require(fee > 0, "Invalid Operation");
          safeTransferFrom(msg.sender, address(this), MFT, amount_, "");
          _erc20Token.transfer(msg.sender, _tokenAmount * amount_ - fee);
  
          _accFee = _accFee + fee;
          if (_accFee >= ((_erc20Token.totalSupply() * _feeThreshold) / 10000)) {
              _swapTokensForEth(_accFee);
              _accFee = 0;
          }
  
          emit Unwrap(msg.sender, amount_);
      }
  
      /**
       * @dev Wrap token into mft
       *
       * @param amount_ amount of tokens to wrap
       */
      function wrap(uint256 amount_) public virtual nonReentrant {
          if (amount_ == 0) revert WrapZeroAmount();
          if (amount_ > balanceOf(address(this), MFT))
              revert InsufficientMFTsToWrap();
          _erc20Token.transferFrom(
              msg.sender,
              address(this),
              amount_ * _tokenAmount
          );
          _safeTransferFrom(address(this), msg.sender, MFT, amount_, "");
          emit Wrap(msg.sender, amount_);
      }
  
      /**
       * @dev Returns the tokenURI
       *
       * @param tokenId_ token id
       */
      function uri(
          uint256 tokenId_
      ) public view override returns (string memory) {
          return _baseURI;
      }
  
      /**
       * @dev Sets the base URI
       *
       * @param newURI_  new base URI
       */
      function setURI(string memory newURI_) public virtual onlyOwner {
          _baseURI = newURI_;
      }
  
      /**
       * @dev Returns the URI
       *
       * @param interfaceId_ interface id
       */
      function supportsInterface(
          bytes4 interfaceId_
      ) public view virtual override(ERC1155, ERC1155Receiver) returns (bool) {
          return super.supportsInterface(interfaceId_);
      }
  
      /**
       * @dev Calculate Fee with presets
       *
       * @param amount_ amount of tokens
       * @param feePercentage_ percentage of amount as fee
       */
      function _calculateFee(
          uint256 amount_,
          uint256 feePercentage_
      ) private view returns (uint256) {
          return (amount_ * _tokenAmount * feePercentage_) / 10000;
      }
  
      function _swapTokensForEth(uint256 tokenAmount_) private {
          if (tokenAmount_ == 0) {
              return;
          }
          address[] memory path = new address[](2);
          path[0] = address(_erc20Token);
          path[1] = uniswapV2Router.WETH();
          _erc20Token.approve(address(uniswapV2Router), tokenAmount_);
          uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
              tokenAmount_,
              0,
              path,
              _feeRecipient,
              block.timestamp
          );
      }
  
      function manualSwap() external {
          require(_msgSender() == _feeRecipient, "Invalid operation");
          if (_accFee > 0) {
              _swapTokensForEth(_accFee);
              _accFee = 0;
          }
      }
  }
  
  
  // File contracts/RIZOMFTERC1155.sol
  
  // Original license: SPDX_License_Identifier: MIT
  pragma solidity 0.8.25;
  
  contract RIZOMFTERC1155 is ERC69_1155 {
      constructor(
          string memory name,
          string memory symbol,
          string memory baseURI,
          address erc20Token,
          uint256 tokenAmountPerMFT,
          uint256 maxSupply
      ) ERC69_1155(name, symbol, baseURI, erc20Token, tokenAmountPerMFT, maxSupply) {}
  }