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// SPDX-License-Identifier: Apache 2.0
pragma solidity ^0.8.0;

import "./interface/IERC1155.sol";
import "./interface/IERC1155Metadata.sol";
import "./interface/IERC1155Receiver.sol";

contract ERC1155 is IERC1155, IERC1155Metadata {
    /*//////////////////////////////////////////////////////////////
                        State variables
    //////////////////////////////////////////////////////////////*/

    string public name;
    string public symbol;

    /*//////////////////////////////////////////////////////////////
                            Mappings
    //////////////////////////////////////////////////////////////*/

    mapping(address => mapping(uint256 => uint256)) public override balanceOf;

    mapping(address => mapping(address => bool)) public override isApprovedForAll;

    mapping(uint256 => string) internal _uri;

    /*//////////////////////////////////////////////////////////////
                            Constructor
    //////////////////////////////////////////////////////////////*/

    constructor(string memory _name, string memory _symbol) {
        name = _name;
        symbol = _symbol;
    }

    /*//////////////////////////////////////////////////////////////
                            View functions
    //////////////////////////////////////////////////////////////*/

    function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
        return
            interfaceId == 0x01ffc9a7 || // ERC165 Interface ID for ERC165
            interfaceId == 0xd9b67a26 || // ERC165 Interface ID for ERC1155
            interfaceId == 0x0e89341c; // ERC165 Interface ID for ERC1155MetadataURI
    }

    function uri(uint256 tokenId) public view virtual override returns (string memory) {
        return _uri[tokenId];
    }

    function balanceOfBatch(address[] memory accounts, uint256[] memory ids)
        public
        view
        virtual
        override
        returns (uint256[] memory)
    {
        require(accounts.length == ids.length, "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;
    }

    /*//////////////////////////////////////////////////////////////
                            ERC1155 logic
    //////////////////////////////////////////////////////////////*/

    function setApprovalForAll(address operator, bool approved) public virtual override {
        address owner = msg.sender;
        require(owner != operator, "APPROVING_SELF");
        isApprovedForAll[owner][operator] = approved;
        emit ApprovalForAll(owner, operator, approved);
    }

    function safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) public virtual override {
        require(from == msg.sender || isApprovedForAll[from][msg.sender], "!OWNER_OR_APPROVED");
        _safeTransferFrom(from, to, id, amount, data);
    }

    function safeBatchTransferFrom(
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) public virtual override {
        require(from == msg.sender || isApprovedForAll[from][msg.sender], "!OWNER_OR_APPROVED");
        _safeBatchTransferFrom(from, to, ids, amounts, data);
    }

    /*//////////////////////////////////////////////////////////////
                            Internal logic
    //////////////////////////////////////////////////////////////*/

    function _safeTransferFrom(
        address from,
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) internal virtual {
        require(to != address(0), "TO_ZERO_ADDR");

        address operator = msg.sender;

        _beforeTokenTransfer(operator, from, to, _asSingletonArray(id), _asSingletonArray(amount), data);

        uint256 fromBalance = balanceOf[from][id];
        require(fromBalance >= amount, "INSUFFICIENT_BAL");
        unchecked {
            balanceOf[from][id] = fromBalance - amount;
        }
        balanceOf[to][id] += amount;

        emit TransferSingle(operator, from, to, id, amount);

        _doSafeTransferAcceptanceCheck(operator, from, to, id, amount, data);
    }

    function _safeBatchTransferFrom(
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {
        require(ids.length == amounts.length, "LENGTH_MISMATCH");
        require(to != address(0), "TO_ZERO_ADDR");

        address operator = msg.sender;

        _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 = balanceOf[from][id];
            require(fromBalance >= amount, "INSUFFICIENT_BAL");
            unchecked {
                balanceOf[from][id] = fromBalance - amount;
            }
            balanceOf[to][id] += amount;
        }

        emit TransferBatch(operator, from, to, ids, amounts);

        _doSafeBatchTransferAcceptanceCheck(operator, from, to, ids, amounts, data);
    }

    function _setTokenURI(uint256 tokenId, string memory newuri) internal virtual {
        _uri[tokenId] = newuri;
    }

    function _mint(
        address to,
        uint256 id,
        uint256 amount,
        bytes memory data
    ) internal virtual {
        require(to != address(0), "TO_ZERO_ADDR");

        address operator = msg.sender;

        _beforeTokenTransfer(operator, address(0), to, _asSingletonArray(id), _asSingletonArray(amount), data);

        balanceOf[to][id] += amount;
        emit TransferSingle(operator, address(0), to, id, amount);

        _doSafeTransferAcceptanceCheck(operator, address(0), to, id, amount, data);
    }

    function _mintBatch(
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual {
        require(to != address(0), "TO_ZERO_ADDR");
        require(ids.length == amounts.length, "LENGTH_MISMATCH");

        address operator = msg.sender;

        _beforeTokenTransfer(operator, address(0), to, ids, amounts, data);

        for (uint256 i = 0; i < ids.length; i++) {
            balanceOf[to][ids[i]] += amounts[i];
        }

        emit TransferBatch(operator, address(0), to, ids, amounts);

        _doSafeBatchTransferAcceptanceCheck(operator, address(0), to, ids, amounts, data);
    }

    function _burn(
        address from,
        uint256 id,
        uint256 amount
    ) internal virtual {
        require(from != address(0), "FROM_ZERO_ADDR");

        address operator = msg.sender;

        _beforeTokenTransfer(operator, from, address(0), _asSingletonArray(id), _asSingletonArray(amount), "");

        uint256 fromBalance = balanceOf[from][id];
        require(fromBalance >= amount, "INSUFFICIENT_BAL");
        unchecked {
            balanceOf[from][id] = fromBalance - amount;
        }

        emit TransferSingle(operator, from, address(0), id, amount);
    }

    function _burnBatch(
        address from,
        uint256[] memory ids,
        uint256[] memory amounts
    ) internal virtual {
        require(from != address(0), "FROM_ZERO_ADDR");
        require(ids.length == amounts.length, "LENGTH_MISMATCH");

        address operator = msg.sender;

        _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 = balanceOf[from][id];
            require(fromBalance >= amount, "INSUFFICIENT_BAL");
            unchecked {
                balanceOf[from][id] = fromBalance - amount;
            }
        }

        emit TransferBatch(operator, from, address(0), ids, amounts);
    }

    function _beforeTokenTransfer(
        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.code.length > 0) {
            try IERC1155Receiver(to).onERC1155Received(operator, from, id, amount, data) returns (bytes4 response) {
                if (response != IERC1155Receiver.onERC1155Received.selector) {
                    revert("TOKENS_REJECTED");
                }
            } catch Error(string memory reason) {
                revert(reason);
            } catch {
                revert("!ERC1155RECEIVER");
            }
        }
    }

    function _doSafeBatchTransferAcceptanceCheck(
        address operator,
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) private {
        if (to.code.length > 0) {
            try IERC1155Receiver(to).onERC1155BatchReceived(operator, from, ids, amounts, data) returns (
                bytes4 response
            ) {
                if (response != IERC1155Receiver.onERC1155BatchReceived.selector) {
                    revert("TOKENS_REJECTED");
                }
            } catch Error(string memory reason) {
                revert(reason);
            } catch {
                revert("!ERC1155RECEIVER");
            }
        }
    }

    function _asSingletonArray(uint256 element) private pure returns (uint256[] memory) {
        uint256[] memory array = new uint256[](1);
        array[0] = element;

        return array;
    }
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/**
    @title ERC-1155 Multi Token Standard
    @dev See https://github.com/ethereum/EIPs/blob/master/EIPS/eip-1155.md
    Note: The ERC-165 identifier for this interface is 0xd9b67a26.
 */
interface IERC1155 {
    /**
        @dev Either `TransferSingle` or `TransferBatch` MUST emit when tokens are transferred, including zero value transfers as well as minting or burning (see "Safe Transfer Rules" section of the standard).
        The `_operator` argument MUST be msg.sender.
        The `_from` argument MUST be the address of the holder whose balance is decreased.
        The `_to` argument MUST be the address of the recipient whose balance is increased.
        The `_id` argument MUST be the token type being transferred.
        The `_value` argument MUST be the number of tokens the holder balance is decreased by and match what the recipient balance is increased by.
        When minting/creating tokens, the `_from` argument MUST be set to `0x0` (i.e. zero address).
        When burning/destroying tokens, the `_to` argument MUST be set to `0x0` (i.e. zero address).
    */
    event TransferSingle(
        address indexed _operator,
        address indexed _from,
        address indexed _to,
        uint256 _id,
        uint256 _value
    );

    /**
        @dev Either `TransferSingle` or `TransferBatch` MUST emit when tokens are transferred, including zero value transfers as well as minting or burning (see "Safe Transfer Rules" section of the standard).
        The `_operator` argument MUST be msg.sender.
        The `_from` argument MUST be the address of the holder whose balance is decreased.
        The `_to` argument MUST be the address of the recipient whose balance is increased.
        The `_ids` argument MUST be the list of tokens being transferred.
        The `_values` argument MUST be the list of number of tokens (matching the list and order of tokens specified in _ids) the holder balance is decreased by and match what the recipient balance is increased by.
        When minting/creating tokens, the `_from` argument MUST be set to `0x0` (i.e. zero address).
        When burning/destroying tokens, the `_to` argument MUST be set to `0x0` (i.e. zero address).
    */
    event TransferBatch(
        address indexed _operator,
        address indexed _from,
        address indexed _to,
        uint256[] _ids,
        uint256[] _values
    );

    /**
        @dev MUST emit when approval for a second party/operator address to manage all tokens for an owner address is enabled or disabled (absense of an event assumes disabled).
    */
    event ApprovalForAll(address indexed _owner, address indexed _operator, bool _approved);

    /**
        @dev MUST emit when the URI is updated for a token ID.
        URIs are defined in RFC 3986.
        The URI MUST point a JSON file that conforms to the "ERC-1155 Metadata URI JSON Schema".
    */
    event URI(string _value, uint256 indexed _id);

    /**
        @notice Transfers `_value` amount of an `_id` from the `_from` address to the `_to` address specified (with safety call).
        @dev Caller must be approved to manage the tokens being transferred out of the `_from` account (see "Approval" section of the standard).
        MUST revert if `_to` is the zero address.
        MUST revert if balance of holder for token `_id` is lower than the `_value` sent.
        MUST revert on any other error.
        MUST emit the `TransferSingle` event to reflect the balance change (see "Safe Transfer Rules" section of the standard).
        After the above conditions are met, this function MUST check if `_to` is a smart contract (e.g. code size > 0). If so, it MUST call `onERC1155Received` on `_to` and act appropriately (see "Safe Transfer Rules" section of the standard).
        @param _from    Source address
        @param _to      Target address
        @param _id      ID of the token type
        @param _value   Transfer amount
        @param _data    Additional data with no specified format, MUST be sent unaltered in call to `onERC1155Received` on `_to`
    */
    function safeTransferFrom(
        address _from,
        address _to,
        uint256 _id,
        uint256 _value,
        bytes calldata _data
    ) external;

    /**
        @notice Transfers `_values` amount(s) of `_ids` from the `_from` address to the `_to` address specified (with safety call).
        @dev Caller must be approved to manage the tokens being transferred out of the `_from` account (see "Approval" section of the standard).
        MUST revert if `_to` is the zero address.
        MUST revert if length of `_ids` is not the same as length of `_values`.
        MUST revert if any of the balance(s) of the holder(s) for token(s) in `_ids` is lower than the respective amount(s) in `_values` sent to the recipient.
        MUST revert on any other error.
        MUST emit `TransferSingle` or `TransferBatch` event(s) such that all the balance changes are reflected (see "Safe Transfer Rules" section of the standard).
        Balance changes and events MUST follow the ordering of the arrays (_ids[0]/_values[0] before _ids[1]/_values[1], etc).
        After the above conditions for the transfer(s) in the batch are met, this function MUST check if `_to` is a smart contract (e.g. code size > 0). If so, it MUST call the relevant `ERC1155TokenReceiver` hook(s) on `_to` and act appropriately (see "Safe Transfer Rules" section of the standard).
        @param _from    Source address
        @param _to      Target address
        @param _ids     IDs of each token type (order and length must match _values array)
        @param _values  Transfer amounts per token type (order and length must match _ids array)
        @param _data    Additional data with no specified format, MUST be sent unaltered in call to the `ERC1155TokenReceiver` hook(s) on `_to`
    */
    function safeBatchTransferFrom(
        address _from,
        address _to,
        uint256[] calldata _ids,
        uint256[] calldata _values,
        bytes calldata _data
    ) external;

    /**
        @notice Get the balance of an account's Tokens.
        @param _owner  The address of the token holder
        @param _id     ID of the Token
        @return        The _owner's balance of the Token type requested
     */
    function balanceOf(address _owner, uint256 _id) external view returns (uint256);

    /**
        @notice Get the balance of multiple account/token pairs
        @param _owners The addresses of the token holders
        @param _ids    ID of the Tokens
        @return        The _owner's balance of the Token types requested (i.e. balance for each (owner, id) pair)
     */
    function balanceOfBatch(address[] calldata _owners, uint256[] calldata _ids)
        external
        view
        returns (uint256[] memory);

    /**
        @notice Enable or disable approval for a third party ("operator") to manage all of the caller's tokens.
        @dev MUST emit the ApprovalForAll event on success.
        @param _operator  Address to add to the set of authorized operators
        @param _approved  True if the operator is approved, false to revoke approval
    */
    function setApprovalForAll(address _operator, bool _approved) external;

    /**
        @notice Queries the approval status of an operator for a given owner.
        @param _owner     The owner of the Tokens
        @param _operator  Address of authorized operator
        @return           True if the operator is approved, false if not
    */
    function isApprovedForAll(address _owner, address _operator) external view returns (bool);
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/**
    Note: The ERC-165 identifier for this interface is 0x0e89341c.
*/
interface IERC1155Metadata {
    /**
        @notice A distinct Uniform Resource Identifier (URI) for a given token.
        @dev URIs are defined in RFC 3986.
        The URI may point to a JSON file that conforms to the "ERC-1155 Metadata URI JSON Schema".
        @return URI string
    */
    function uri(uint256 _id) external view returns (string memory);
}

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

pragma solidity ^0.8.0;

import "./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 v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * [EIP](https://eips.ethereum.org/EIPS/eip-165).
 *
 * 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
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * 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: Apache-2.0
pragma solidity ^0.8.0;

/**
 *  @title   Batch-mint Metadata
 *  @notice  The `BatchMintMetadata` is a contract extension for any base NFT contract. It lets the smart contract
 *           using this extension set metadata for `n` number of NFTs all at once. This is enabled by storing a single
 *           base URI for a batch of `n` NFTs, where the metadata for each NFT in a relevant batch is `baseURI/tokenId`.
 */

contract BatchMintMetadata {
    /// @dev Largest tokenId of each batch of tokens with the same baseURI.
    uint256[] private batchIds;

    /// @dev Mapping from id of a batch of tokens => to base URI for the respective batch of tokens.
    mapping(uint256 => string) private baseURI;

    /**
     *  @notice         Returns the count of batches of NFTs.
     *  @dev            Each batch of tokens has an in ID and an associated `baseURI`.
     *                  See {batchIds}.
     */
    function getBaseURICount() public view returns (uint256) {
        return batchIds.length;
    }

    /**
     *  @notice         Returns the ID for the batch of tokens the given tokenId belongs to.
     *  @dev            See {getBaseURICount}.
     *  @param _index   ID of a token.
     */
    function getBatchIdAtIndex(uint256 _index) public view returns (uint256) {
        if (_index >= getBaseURICount()) {
            revert("Invalid index");
        }
        return batchIds[_index];
    }

    /// @dev Returns the id for the batch of tokens the given tokenId belongs to.
    function _getBatchId(uint256 _tokenId) internal view returns (uint256 batchId, uint256 index) {
        uint256 numOfTokenBatches = getBaseURICount();
        uint256[] memory indices = batchIds;

        for (uint256 i = 0; i < numOfTokenBatches; i += 1) {
            if (_tokenId < indices[i]) {
                index = i;
                batchId = indices[i];

                return (batchId, index);
            }
        }

        revert("Invalid tokenId");
    }

    /// @dev Returns the baseURI for a token. The intended metadata URI for the token is baseURI + tokenId.
    function _getBaseURI(uint256 _tokenId) internal view returns (string memory) {
        uint256 numOfTokenBatches = getBaseURICount();
        uint256[] memory indices = batchIds;

        for (uint256 i = 0; i < numOfTokenBatches; i += 1) {
            if (_tokenId < indices[i]) {
                return baseURI[indices[i]];
            }
        }
        revert("Invalid tokenId");
    }

    /// @dev Sets the base URI for the batch of tokens with the given batchId.
    function _setBaseURI(uint256 _batchId, string memory _baseURI) internal {
        baseURI[_batchId] = _baseURI;
    }

    /// @dev Mints a batch of tokenIds and associates a common baseURI to all those Ids.
    function _batchMintMetadata(
        uint256 _startId,
        uint256 _amountToMint,
        string memory _baseURIForTokens
    ) internal returns (uint256 nextTokenIdToMint, uint256 batchId) {
        batchId = _startId + _amountToMint;
        nextTokenIdToMint = batchId;

        batchIds.push(batchId);

        baseURI[batchId] = _baseURIForTokens;
    }
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

import "./interface/ILazyMint.sol";
import "./BatchMintMetadata.sol";

/**
 *  The `LazyMint` is a contract extension for any base NFT contract. It lets you 'lazy mint' any number of NFTs
 *  at once. Here, 'lazy mint' means defining the metadata for particular tokenIds of your NFT contract, without actually
 *  minting a non-zero balance of NFTs of those tokenIds.
 */

abstract contract LazyMint is ILazyMint, BatchMintMetadata {
    uint256 internal nextTokenIdToLazyMint;

    /**
     *  @notice                  Lets an authorized address lazy mint a given amount of NFTs.
     *
     *  @param _amount           The number of NFTs to lazy mint.
     *  @param _baseURIForTokens The base URI for the 'n' number of NFTs being lazy minted, where the metadata for each
     *                           of those NFTs is `${baseURIForTokens}/${tokenId}`.
     *  @param _data             Additional bytes data to be used at the discretion of the consumer of the contract.
     *  @return batchId          A unique integer identifier for the batch of NFTs lazy minted together.
     */
    function lazyMint(
        uint256 _amount,
        string calldata _baseURIForTokens,
        bytes calldata _data
    ) public virtual override returns (uint256 batchId) {
        if (!_canLazyMint()) {
            revert("Not authorized");
        }

        if (_amount == 0) {
            revert("0 amt");
        }

        uint256 startId = nextTokenIdToLazyMint;

        (nextTokenIdToLazyMint, batchId) = _batchMintMetadata(startId, _amount, _baseURIForTokens);

        emit TokensLazyMinted(startId, startId + _amount - 1, _baseURIForTokens, _data);

        return batchId;
    }

    /// @dev Returns whether lazy minting can be performed in the given execution context.
    function _canLazyMint() internal view virtual returns (bool);
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

import "./interface/IOwnable.sol";

/**
 *  @title   Ownable
 *  @notice  Thirdweb's `Ownable` is a contract extension to be used with any base contract. It exposes functions for setting and reading
 *           who the 'owner' of the inheriting smart contract is, and lets the inheriting contract perform conditional logic that uses
 *           information about who the contract's owner is.
 */

abstract contract Ownable is IOwnable {
    /// @dev Owner of the contract (purpose: OpenSea compatibility)
    address private _owner;

    /// @dev Reverts if caller is not the owner.
    modifier onlyOwner() {
        if (msg.sender != _owner) {
            revert("Not authorized");
        }
        _;
    }

    /**
     *  @notice Returns the owner of the contract.
     */
    function owner() public view override returns (address) {
        return _owner;
    }

    /**
     *  @notice Lets an authorized wallet set a new owner for the contract.
     *  @param _newOwner The address to set as the new owner of the contract.
     */
    function setOwner(address _newOwner) external override {
        if (!_canSetOwner()) {
            revert("Not authorized");
        }
        _setupOwner(_newOwner);
    }

    /// @dev Lets a contract admin set a new owner for the contract. The new owner must be a contract admin.
    function _setupOwner(address _newOwner) internal {
        address _prevOwner = _owner;
        _owner = _newOwner;

        emit OwnerUpdated(_prevOwner, _newOwner);
    }

    /// @dev Returns whether owner can be set in the given execution context.
    function _canSetOwner() internal view virtual returns (bool);
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/**
 *  Thirdweb's `LazyMint` is a contract extension for any base NFT contract. It lets you 'lazy mint' any number of NFTs
 *  at once. Here, 'lazy mint' means defining the metadata for particular tokenIds of your NFT contract, without actually
 *  minting a non-zero balance of NFTs of those tokenIds.
 */

interface ILazyMint {
    /// @dev Emitted when tokens are lazy minted.
    event TokensLazyMinted(uint256 indexed startTokenId, uint256 endTokenId, string baseURI, bytes encryptedBaseURI);

    /**
     *  @notice Lazy mints a given amount of NFTs.
     *
     *  @param amount           The number of NFTs to lazy mint.
     *
     *  @param baseURIForTokens The base URI for the 'n' number of NFTs being lazy minted, where the metadata for each
     *                          of those NFTs is `${baseURIForTokens}/${tokenId}`.
     *
     *  @param extraData        Additional bytes data to be used at the discretion of the consumer of the contract.
     *
     *  @return batchId         A unique integer identifier for the batch of NFTs lazy minted together.
     */
    function lazyMint(
        uint256 amount,
        string calldata baseURIForTokens,
        bytes calldata extraData
    ) external returns (uint256 batchId);
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

/**
 *  Thirdweb's `Ownable` is a contract extension to be used with any base contract. It exposes functions for setting and reading
 *  who the 'owner' of the inheriting smart contract is, and lets the inheriting contract perform conditional logic that uses
 *  information about who the contract's owner is.
 */

interface IOwnable {
    /// @dev Returns the owner of the contract.
    function owner() external view returns (address);

    /// @dev Lets a module admin set a new owner for the contract. The new owner must be a module admin.
    function setOwner(address _newOwner) external;

    /// @dev Emitted when a new Owner is set.
    event OwnerUpdated(address indexed prevOwner, address indexed newOwner);
}

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

pragma solidity ^0.8.0;

/**
 * @dev String operations.
 */
library TWStrings {
    bytes16 private constant _HEX_SYMBOLS = "0123456789abcdef";

    /**
     * @dev Converts a `uint256` to its ASCII `string` decimal representation.
     */
    function toString(uint256 value) internal pure returns (string memory) {
        // Inspired by OraclizeAPI's implementation - MIT licence
        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol

        if (value == 0) {
            return "0";
        }
        uint256 temp = value;
        uint256 digits;
        while (temp != 0) {
            digits++;
            temp /= 10;
        }
        bytes memory buffer = new bytes(digits);
        while (value != 0) {
            digits -= 1;
            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));
            value /= 10;
        }
        return string(buffer);
    }

    /**
     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.
     */
    function toHexString(uint256 value) internal pure returns (string memory) {
        if (value == 0) {
            return "0x00";
        }
        uint256 temp = value;
        uint256 length = 0;
        while (temp != 0) {
            length++;
            temp >>= 8;
        }
        return toHexString(value, length);
    }

    /**
     * @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] = _HEX_SYMBOLS[value & 0xf];
            value >>= 4;
        }
        require(value == 0, "Strings: hex length insufficient");
        return string(buffer);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

abstract contract ReentrancyGuard {
    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.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
}

// SPDX-License-Identifier: Apache-2.0
pragma solidity 0.8.17;

import {ERC1155} from "@thirdweb-dev/contracts/eip/ERC1155.sol";

import "@thirdweb-dev/contracts/extension/Ownable.sol";
import "@thirdweb-dev/contracts/extension/BatchMintMetadata.sol";
import "@thirdweb-dev/contracts/extension/LazyMint.sol";

import "@thirdweb-dev/contracts/lib/TWStrings.sol";
import "@thirdweb-dev/contracts/openzeppelin-presets/security/ReentrancyGuard.sol";
/**
 *                                WWWWWWWWW                  WNNNW
 *                         WNXK0OkkxxxxxxkkOO0XNW          N0xdddx0N
 *                     WNX0kxoooooooooooooooooodkOKNW     NOoooooookN
 *                   WXOxooooooooooooooooooooooooooxOXW   NkoooooooxX
 *                 WXkdoooooooooooooooooooooooooooooookKW WKxoooooxKW
 *                NOdoooooooooooooooooooooooooooooooooodK   NX000KN
 *              WKxoooooooooooooooooooodkOOOxooooooooodKW
 *             WKdoooooooooooooooooooxOKW  WNOdooooooxXW
 *             Kxoooooooooooooooooood0WW     WKxooookX      W
 *            NkoooooooooooddxdoooooON         NOooON     WKOX
 *           W0dooooooooodOXNNXOdooxX           WKKW     WKdoOW
 *           WOoooooooood0W    WXkxKW                   N0dooxN
 *           NkoooooooookN       WNW      NKX          NkooooxX
 *           NkooooooooxX                WOoxKW      WXxoooooxX
 *           WOoooooooo0W               WKdoodON    WKxooooookN
 *            XdooooookN     WXN        Xxooooox0KKKkdooooooo0W
 *            WOooooodKW    W0dkXW     NOoooooooooooooooooookN
 *             NkooooOW     XxoodOKXX00koooooooooooooooooooxXW
 *              XkoooOW    NOoooooodooooooooooooooooooooooxKW
 *               NOdodOKXXKkdooooooooooooooooooooooooooookXW
 *                WKkoooddooooooooooooooooooooooooooooox0N
 *                  WKkdooooooooooooooooooooooooooooox0NW
 *                    WXOxdoooooooooooooooooooooooxOKN
 *                       WXKOkxdooooooooooooddxO0XN
 *                           WNXKK00OOOO000KXNW
 *                                WWWWWWWWW
 *
 *      BASE:      ERC1155Base
 *      EXTENSION: LazyMint
 *
 *  The `MFGACHA` smart contract implements the ERC1155 NFT standard.
 *  It includes the following additions to standard ERC1155 logic:
 *
 *      - Lazy minting
 *
 *      - Ability to mint NFTs via the provided `mintTo` and `batchMintTo` functions.
 *
 *      - Ownership of the contract, with the ability to restrict certain functions to
 *        only be called by the contract's owner.
 *
 *
 *  The `MFGACHA` contract uses the `LazyMint` extension.
 *
 *  'Lazy minting' means defining the metadata of NFTs without minting it to an address. Regular 'minting'
 *  of  NFTs means actually assigning an owner to an NFT.
 *
 *  As a contract admin, this lets you prepare the metadata for NFTs that will be minted by an external party,
 *  without paying the gas cost for actually minting the NFTs.
 *
 */

contract MFGACHA is
    ERC1155,
    Ownable,
    BatchMintMetadata,
    LazyMint,
    ReentrancyGuard
{
    using TWStrings for uint256;

    /// @notice The end time(unix timestamp) of the claim duration
    uint256 public claimEndTimestamp;

    /*//////////////////////////////////////////////////////////////
                        Mappings
    //////////////////////////////////////////////////////////////*/

    /**
     *  @notice Returns the total supply of NFTs of a given tokenId
     *  @dev Mapping from tokenId => total circulating supply of NFTs of that tokenId.
     */
    mapping(uint256 => uint256) public totalSupply;

    /*//////////////////////////////////////////////////////////////
                            Constructor
    //////////////////////////////////////////////////////////////*/

    constructor(
        string memory _name,
        string memory _symbol,
        uint256 _claimEndTimestamp
    ) ERC1155(_name, _symbol) {
        _setupOwner(msg.sender);
        claimEndTimestamp = _claimEndTimestamp;
    }

    /*//////////////////////////////////////////////////////////////
                    Overriden metadata logic
    //////////////////////////////////////////////////////////////*/

    /// @notice Returns the metadata URI for the given tokenId.
    function uri(
        uint256 _tokenId
    ) public view virtual override returns (string memory) {
        string memory batchUri = _getBaseURI(_tokenId);
        return string(abi.encodePacked(batchUri, _tokenId.toString()));
    }

    /*//////////////////////////////////////////////////////////////
                            CLAIM LOGIC
    //////////////////////////////////////////////////////////////*/

    /// @dev Emitted when tokens are claimed
    event TokensClaimed(
        address indexed claimer,
        uint256 indexed tokenId,
        uint256 quantityClaimed
    );

    /**
     *  @dev             The logic in `verifyClaim` determines whether the caller is authorized to mint NFTs.
     *                   The logic in `transferTokensOnClaim` does actual minting of tokens,
     *                   can also be used to apply other state changes.
     *
     *  @param _tokenId   The tokenId of the lazy minted NFT to mint.
     */
    function _claim(uint256 _tokenId) internal {
        verifyClaim(_tokenId); // Add your claim verification logic by overriding this function.

        _mint(msg.sender, _tokenId, 1, "");
        emit TokensClaimed(msg.sender, _tokenId, 1);
    }

    /**
     *  @notice          Lets an address claim multiple lazy minted NFTs at once to a recipient.
     *                   This function prevents any reentrant calls, and is not allowed to be overridden.
     *
     *                   Contract creators should override `verifyClaim` and `transferTokensOnClaim`
     *                   functions to create custom logic for verification and claiming,
     *                   for e.g. price collection, allowlist, max quantity, etc.
     *
     *  @param _tokenId   The tokenId of the lazy minted NFT to mint.
     */
    function claim(uint256 _tokenId) public nonReentrant {
        _claim(_tokenId);
    }

    /**
     *  @notice          Let's try if you can't get the NFT you want.
     */
    function claimAll() public nonReentrant {
        for (uint256 tokenId = 0; tokenId < nextTokenIdToMint(); tokenId++) {
            _claim(tokenId);
        }
    }

    /**
     *  @notice          Override this function to add logic for claim verification, based on conditions
     *                   such as allowlist, price, max quantity etc.
     *
     *  @dev             Checks a request to claim NFTs against a custom condition.
     *
     *  @param _tokenId   The tokenId of the lazy minted NFT to mint.
     */
    function verifyClaim(uint256 _tokenId) public view {
        require(_tokenId < nextTokenIdToMint(), "invalid id");
        require(
            block.timestamp < claimEndTimestamp,
            "The claimable period has ended."
        );
    }

    /**
     *  @notice         Lets an owner or approved operator burn NFTs of the given tokenId.
     *
     *  @param _owner   The owner of the NFT to burn.
     *  @param _tokenId The tokenId of the NFT to burn.
     *  @param _amount  The amount of the NFT to burn.
     */
    function burn(
        address _owner,
        uint256 _tokenId,
        uint256 _amount
    ) external virtual {
        address caller = msg.sender;

        require(
            caller == _owner || isApprovedForAll[_owner][caller],
            "Unapproved caller"
        );
        require(
            balanceOf[_owner][_tokenId] >= _amount,
            "Not enough tokens owned"
        );

        _burn(_owner, _tokenId, _amount);
    }

    /**
     *  @notice         Lets an owner or approved operator burn NFTs of the given tokenIds.
     *
     *  @param _owner    The owner of the NFTs to burn.
     *  @param _tokenIds The tokenIds of the NFTs to burn.
     *  @param _amounts  The amounts of the NFTs to burn.
     */
    function burnBatch(
        address _owner,
        uint256[] memory _tokenIds,
        uint256[] memory _amounts
    ) external virtual {
        address caller = msg.sender;

        require(
            caller == _owner || isApprovedForAll[_owner][caller],
            "Unapproved caller"
        );
        require(_tokenIds.length == _amounts.length, "Length mismatch");

        for (uint256 i = 0; i < _tokenIds.length; i += 1) {
            require(
                balanceOf[_owner][_tokenIds[i]] >= _amounts[i],
                "Not enough tokens owned"
            );
        }

        _burnBatch(_owner, _tokenIds, _amounts);
    }

    /**
     *  @notice             For owner to update claimEndTimestamp.
     *
     *  @param _timestamp   The end time(unix timestamp) of the claim duration.
     */
    function setClaimEndTimestamp(uint256 _timestamp) external onlyOwner {
        claimEndTimestamp = _timestamp;
    }

    /*//////////////////////////////////////////////////////////////
                            View functions
    //////////////////////////////////////////////////////////////*/

    /// @notice The tokenId assigned to the next new NFT to be lazy minted.
    function nextTokenIdToMint() public view virtual returns (uint256) {
        return nextTokenIdToLazyMint;
    }

    /*//////////////////////////////////////////////////////////////
                        Internal functions
    //////////////////////////////////////////////////////////////*/

    /// @dev Returns whether lazy minting can be done in the given execution context.
    function _canLazyMint() internal view virtual override returns (bool) {
        return msg.sender == owner();
    }

    /// @dev Returns whether owner can be set in the given execution context.
    function _canSetOwner() internal view virtual override returns (bool) {
        return msg.sender == owner();
    }

    /// @dev Runs before every token transfer / mint / burn.
    function _beforeTokenTransfer(
        address operator,
        address from,
        address to,
        uint256[] memory ids,
        uint256[] memory amounts,
        bytes memory data
    ) internal virtual override {
        super._beforeTokenTransfer(operator, from, to, ids, amounts, data);

        if (from == address(0)) {
            for (uint256 i = 0; i < ids.length; ++i) {
                totalSupply[ids[i]] += amounts[i];
            }
        }

        if (to == address(0)) {
            for (uint256 i = 0; i < ids.length; ++i) {
                totalSupply[ids[i]] -= amounts[i];
            }
        }
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "london",
  "remappings": [
    ":@thirdweb-dev/=node_modules/@thirdweb-dev/",
    ":ds-test/=lib/forge-std/lib/ds-test/src/",
    ":forge-std/=lib/forge-std/src/"
  ],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

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uts":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"nextTokenIdToMint","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","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":"uint256","name":"_timestamp","type":"uint256"}],"name":"setClaimEndTimestamp","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newOwner","type":"address"}],"name":"setOwner","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":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"uri","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_tokenId","type":"uint256"}],"name":"verifyClaim","outputs":[],"stateMutability":"view","type":"function"}]

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000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000084d4620474143484100000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000074d46474143484100000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _name (string): MF GACHA
Arg [1] : _symbol (string): MFGACHA
Arg [2] : _claimEndTimestamp (uint256): 0

-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000008
Arg [4] : 4d46204741434841000000000000000000000000000000000000000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000007
Arg [6] : 4d46474143484100000000000000000000000000000000000000000000000000