Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

import "@openzeppelin/contracts/token/ERC1155/ERC1155.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/Strings.sol";

// @@@@@@@G7~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^~?G@
// @@@@@@Y^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Y
// @@@@@#^^^^~!7~^^^^^^^^^^^^^^^^~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^?PPP?^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^~
// @@@@@J:^^!PGGPY7^^^^^^^^^^^^^7PPPPPPPPPPPPPPPP?^^^^^^^^^^^^^PGGP~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^Y
// @@@@#^^^^YGGGGGG57^^^^^^^^^^^?YYYYY5GGG5YYYYYJ^^^^^^^^^^^^^?GGG?^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^~&
// @@@@J:^^!GGGGGGPGGP?~^^^^^^^^^^^^^^5GGP~^^^^~7Y55P5YJ!^^^^^5GGP~^^^7JY5P55Y7~^^^^7555YJY5555Y7^^^^^^^!?Y5PP5Y?!Y555~^^7J55P55Y?~^^^^7J55P55Y?~^^^^^:Y@
// @@@#^^^^YGGGGGGGGGGGPJ!^^^^^^^^^^^7GGGJ^^^!YPGPYJJYPGGJ^^^?GGGJ^^?PGG5YJY5GGP7^^^5GGGGP5YY5GGG5!^^^75GGP5YY5PGPGGGY^~5GGPJJJ5GGP7^~5GGPJJJYGGG?^^^^~&@
// @@@J:^^!GGGGGGGGGGGGGGPY!^^^^^^^^^5GGP~^^?GGGJ!~~~~7PGG?^^5GGP~~5GG57~~~~~JGGP~^7GGGP7^^^^^!PGG5^^?GGPJ~^^^^~YGPGP!^?GGGY!~^^!7!~^!GGG5!~^^!7!~^^^:Y@@
// @@#^^^^YGGGGGGGGGGGGGGGG?^^^^^^^^7GGGY^^~PGGPPPPPPPPPGGY^7GGGJ^JGGGPPPPPPPPPGG!^5GGP!^^^^^^^5GG5^!GGGJ^^^^^^:7GGGY^^^JPGGGPPY?~^^^^?5PGGGP5J!^^^^^~#@@
// @@J:^^!GGGGGGGGGGGGGG5J!^^^^^^^^^5GGP!^^!GGGJ~!!!~!77!!~^5GGP~^YGGP!~!!!~777!!^7GGGP~^^^^^^?GGG?^7GGGJ^^^^^^!5GGP!^^^^~~7?J5GGG7^^^^~~!?J5GGG?^^^:Y@@@
// @#~^^^YGGGGGGGGGGP5?!^^^^^^^^^^^7GPGY^^^^YGGP?!!!7YPP5!^7GGGJ^^!PGGY7!!!?5PPJ^^5GGGGPJ7!7?5GGP?^^^5GGGY7!7?YPGGGY^~Y5P57~~~JGGG?^J5P57~~~?GGGY^^^~#@@@
// @Y:^^!PGGGGGGGPY?~^^^^^^^^^^^^^^5GGG!^^^^^?5PGGGGGP5J!^^5GGP~^^^!JPGGGGGGPY7^^7GGGYJPGGGGGP5?~^^^^^?5PGGGGG5GGGG!^^7YPGGGGGGP5?^^!YPGGGGGGP5?^^^:J@@@@
// #~^^^JGGGGGPY7~^^^^^^^^^^^^^^^^^777!^^^^^^^^~!777!~^^^^^777!^^^^^^^~!77!~^^^^^5GGG!^^!!7!!~^^^^^^^^^^~!77!~^777!^^^^^^~!777!~^^^^^^^~!777!~^^^^^^#@@@@
// J^^^^!Y55J7~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^7GGGY^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^:J@@@@@
// ~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^J555!^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^#@@@@@
// 5^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^5@@@@@@
// @BJ!~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~!JB@@@@@@@

contract NFTree is ERC1155(""), Ownable {
    using Strings for uint256;

    string internal baseURI;

    /* Admin */
    function airdrop(
        address[] memory recipients,
        uint256 tokenId
    ) external onlyOwner {
        uint256 recipientLength = recipients.length;

        for (uint256 i = 0; i < recipientLength; ) {
            _mint(recipients[i], tokenId, 1, "");
            unchecked {
                i++;
            }
        }
    }

    function setBaseURI(string memory baseURI_) public onlyOwner {
        baseURI = baseURI_;
    }

    /* Public */

    function uri(
        uint256 tokenId
    ) public view virtual override returns (string memory) {
        return
            string(abi.encodePacked(baseURI, "/", tokenId.toString(), ".json"));
    }
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC1155/ERC1155.sol)

pragma solidity ^0.8.0;

import "./IERC1155.sol";
import "./IERC1155Receiver.sol";
import "./extensions/IERC1155MetadataURI.sol";
import "../../utils/Address.sol";
import "../../utils/Context.sol";
import "../../utils/introspection/ERC165.sol";

/**
 * @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;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC1155/extensions/IERC1155MetadataURI.sol)

pragma solidity ^0.8.0;

import "../IERC1155.sol";

/**
 * @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);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC1155/IERC1155.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @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;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC1155/IERC1155Receiver.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @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);
}

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

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

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

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

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

pragma solidity ^0.8.0;

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

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

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

pragma solidity ^0.8.0;

import "./IERC165.sol";

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

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

pragma solidity ^0.8.0;

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

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

pragma solidity ^0.8.0;

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

    /**
     * @dev Returns the largest of two numbers.
     */
    function max(uint256 a, uint256 b) internal pure returns (uint256) {
        return a > b ? a : b;
    }

    /**
     * @dev Returns the smallest of two numbers.
     */
    function min(uint256 a, uint256 b) internal pure returns (uint256) {
        return a < b ? a : b;
    }

    /**
     * @dev Returns the average of two numbers. The result is rounded towards
     * zero.
     */
    function average(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b) / 2 can overflow.
        return (a & b) + (a ^ b) / 2;
    }

    /**
     * @dev Returns the ceiling of the division of two numbers.
     *
     * This differs from standard division with `/` in that it rounds up instead
     * of rounding down.
     */
    function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        // (a + b - 1) / b can overflow on addition, so we distribute.
        return a == 0 ? 0 : (a - 1) / b + 1;
    }

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

pragma solidity ^0.8.0;

import "./math/Math.sol";

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

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

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

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

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

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"indexed":false,"internalType":"uint256[]","name":"values","type":"uint256[]"}],"name":"TransferBatch","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"id","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"TransferSingle","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"string","name":"value","type":"string"},{"indexed":true,"internalType":"uint256","name":"id","type":"uint256"}],"name":"URI","type":"event"},{"inputs":[{"internalType":"address[]","name":"recipients","type":"address[]"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"airdrop","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address[]","name":"accounts","type":"address[]"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"}],"name":"balanceOfBatch","outputs":[{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256[]","name":"ids","type":"uint256[]"},{"internalType":"uint256[]","name":"amounts","type":"uint256[]"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeBatchTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"id","type":"uint256"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"baseURI_","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"}]

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