{"Address.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (utils/Address.sol)\n\npragma solidity ^0.8.1;\n\n/**\n * @dev Collection of functions related to the address type\n */\nlibrary Address {\n    function isContract(address account) internal view returns (bool) {\n        // This method relies on extcodesize/address.code.length, which returns 0\n        // for contracts in construction, since the code is only stored at the end\n        // of the constructor execution.\n\n        return account.code.length \u003e 0;\n    }\n\n    function sendValue(address payable recipient, uint256 amount) internal {\n        require(address(this).balance \u003e= amount, \"Address: insufficient balance\");\n\n        (bool success, ) = recipient.call{value: amount}(\"\");\n        require(success, \"Address: unable to send value, recipient may have reverted\");\n    }\n\n    function functionCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionCall(target, data, \"Address: low-level call failed\");\n    }\n\n    function functionCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, 0, errorMessage);\n    }\n\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value\n    ) internal returns (bytes memory) {\n        return functionCallWithValue(target, data, value, \"Address: low-level call with value failed\");\n    }\n\n    function functionCallWithValue(\n        address target,\n        bytes memory data,\n        uint256 value,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        require(address(this).balance \u003e= value, \"Address: insufficient balance for call\");\n        require(isContract(target), \"Address: call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.call{value: value}(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {\n        return functionStaticCall(target, data, \"Address: low-level static call failed\");\n    }\n\n    function functionStaticCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal view returns (bytes memory) {\n        require(isContract(target), \"Address: static call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.staticcall(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {\n        return functionDelegateCall(target, data, \"Address: low-level delegate call failed\");\n    }\n\n    function functionDelegateCall(\n        address target,\n        bytes memory data,\n        string memory errorMessage\n    ) internal returns (bytes memory) {\n        require(isContract(target), \"Address: delegate call to non-contract\");\n\n        (bool success, bytes memory returndata) = target.delegatecall(data);\n        return verifyCallResult(success, returndata, errorMessage);\n    }\n\n    function verifyCallResult(\n        bool success,\n        bytes memory returndata,\n        string memory errorMessage\n    ) internal pure returns (bytes memory) {\n        if (success) {\n            return returndata;\n        } else {\n            // Look for revert reason and bubble it up if present\n            if (returndata.length \u003e 0) {\n                // The easiest way to bubble the revert reason is using memory via assembly\n\n                assembly {\n                    let returndata_size := mload(returndata)\n                    revert(add(32, returndata), returndata_size)\n                }\n            } else {\n                revert(errorMessage);\n            }\n        }\n    }\n}"},"Context.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\nabstract contract Context {\n    function _msgSender() internal view virtual returns (address) {\n        return msg.sender;\n    }\n\n    function _msgData() internal view virtual returns (bytes calldata) {\n        return msg.data;\n    }\n}"},"ERC165.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\nabstract contract ERC165 is IERC165 {\n    /**\n     * @dev See {IERC165-supportsInterface}.\n     */\n    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n        return interfaceId == type(IERC165).interfaceId;\n    }\n}"},"ERC721A.sol":{"content":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\nimport \"./IERC721.sol\";\nimport \"./IERC721Receiver.sol\";\nimport \"./IERC721Metadata.sol\";\nimport \"./IERC721Enumerable.sol\";\nimport \"./Address.sol\";\nimport \"./Context.sol\";\nimport \"./Strings.sol\";\nimport \"./ERC165.sol\";\n\n\ncontract ERC721A is\n  Context,\n  ERC165,\n  IERC721,\n  IERC721Metadata,\n  IERC721Enumerable\n{\n  using Address for address;\n  using Strings for uint256;\n\n  struct TokenOwnership {\n    address addr;\n    uint64 startTimestamp;\n  }\n\n  struct AddressData {\n    uint128 balance;\n    uint128 numberMinted;\n  }\n\n  uint256 private currentIndex = 0;\n\n  uint256 internal immutable collectionSize;\n  uint256 internal immutable maxBatchSize;\n\n  // Token name\n  string private _name;\n\n  // Token symbol\n  string private _symbol;\n\n  // Mapping from token ID to ownership details\n  // An empty struct value does not necessarily mean the token is unowned. See ownershipOf implementation for details.\n  // mapping(uint256 =\u003e TokenOwnership) private _ownerships;\n  mapping(uint256 =\u003e TokenOwnership) internal _ownerships;\n\n\n  // Mapping owner address to address data\n  // mapping(address =\u003e AddressData) private _addressData;\n  mapping(address =\u003e AddressData) internal _addressData;\n\n  // Mapping from token ID to approved address\n  mapping(uint256 =\u003e address) private _tokenApprovals;\n\n  // Mapping from owner to operator approvals\n  mapping(address =\u003e mapping(address =\u003e bool)) private _operatorApprovals;\n\n  /**\n   * @dev\n   * `maxBatchSize` refers to how much a minter can mint at a time.\n   * `collectionSize_` refers to how many tokens are in the collection.\n   */\n  constructor(\n    string memory name_,\n    string memory symbol_,\n    uint256 maxBatchSize_,\n    uint256 collectionSize_\n  ) {\n    require(\n      collectionSize_ \u003e 0,\n      \"ERC721A: collection must have a nonzero supply\"\n    );\n    require(maxBatchSize_ \u003e 0, \"ERC721A: max batch size must be nonzero\");\n    _name = name_;\n    _symbol = symbol_;\n    maxBatchSize = maxBatchSize_;\n    collectionSize = collectionSize_;\n  }\n\n  /**\n   * @dev See {IERC721Enumerable-totalSupply}.\n   */\n  // function totalSupply() public view override returns (uint256) {\n  function totalSupply() public view virtual override returns (uint256) {\n    return currentIndex;\n  }\n\n  /**\n   * @dev See {IERC721Enumerable-tokenByIndex}.\n   */\n  function tokenByIndex(uint256 index) public view override returns (uint256) {\n    require(index \u003c totalSupply(), \"ERC721A: global index out of bounds\");\n    return index;\n  }\n\n  /**\n   * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.\n   * This read function is O(collectionSize). If calling from a separate contract, be sure to test gas first.\n   * It may also degrade with extremely large collection sizes (e.g \u003e\u003e 10000), test for your use case.\n   */\n  function tokenOfOwnerByIndex(address owner, uint256 index)\n    public\n    view\n    override\n    returns (uint256)\n  {\n    require(index \u003c balanceOf(owner), \"ERC721A: owner index out of bounds\");\n    uint256 numMintedSoFar = totalSupply();\n    uint256 tokenIdsIdx = 0;\n    address currOwnershipAddr = address(0);\n    for (uint256 i = 0; i \u003c numMintedSoFar; i++) {\n      TokenOwnership memory ownership = _ownerships[i];\n      if (ownership.addr != address(0)) {\n        currOwnershipAddr = ownership.addr;\n      }\n      if (currOwnershipAddr == owner) {\n        if (tokenIdsIdx == index) {\n          return i;\n        }\n        tokenIdsIdx++;\n      }\n    }\n    revert(\"ERC721A: unable to get token of owner by index\");\n  }\n\n  /**\n   * @dev See {IERC165-supportsInterface}.\n   */\n  function supportsInterface(bytes4 interfaceId)\n    public\n    view\n    virtual\n    override(ERC165, IERC165)\n    returns (bool)\n  {\n    return\n      interfaceId == type(IERC721).interfaceId ||\n      interfaceId == type(IERC721Metadata).interfaceId ||\n      interfaceId == type(IERC721Enumerable).interfaceId ||\n      super.supportsInterface(interfaceId);\n  }\n\n  /**\n   * @dev See {IERC721-balanceOf}.\n   */\n  function balanceOf(address owner) public view override returns (uint256) {\n    require(owner != address(0), \"ERC721A: balance query for the zero address\");\n    return uint256(_addressData[owner].balance);\n  }\n\n  function _numberMinted(address owner) internal view returns (uint256) {\n    require(\n      owner != address(0),\n      \"ERC721A: number minted query for the zero address\"\n    );\n    return uint256(_addressData[owner].numberMinted);\n  }\n\n  function ownershipOf(uint256 tokenId)\n    internal\n    view\n    returns (TokenOwnership memory)\n  {\n    require(_exists(tokenId), \"ERC721A: owner query for nonexistent token\");\n\n    uint256 lowestTokenToCheck;\n    if (tokenId \u003e= maxBatchSize) {\n      lowestTokenToCheck = tokenId - maxBatchSize + 1;\n    }\n\n    for (uint256 curr = tokenId; curr \u003e= lowestTokenToCheck; curr--) {\n      TokenOwnership memory ownership = _ownerships[curr];\n      if (ownership.addr != address(0)) {\n        return ownership;\n      }\n    }\n\n    revert(\"ERC721A: unable to determine the owner of token\");\n  }\n\n  /**\n   * @dev See {IERC721-ownerOf}.\n   */\n  function ownerOf(uint256 tokenId) public view override returns (address) {\n    return ownershipOf(tokenId).addr;\n  }\n\n  /**\n   * @dev See {IERC721Metadata-name}.\n   */\n  function name() public view virtual override returns (string memory) {\n    return _name;\n  }\n\n  /**\n   * @dev See {IERC721Metadata-symbol}.\n   */\n  function symbol() public view virtual override returns (string memory) {\n    return _symbol;\n  }\n\n  /**\n   * @dev See {IERC721Metadata-tokenURI}.\n   */\n  function tokenURI(uint256 tokenId)\n    public\n    view\n    virtual\n    override\n    returns (string memory)\n  {\n    require(\n      _exists(tokenId),\n      \"ERC721Metadata: URI query for nonexistent token\"\n    );\n\n    string memory baseURI = _baseURI();\n    return\n      bytes(baseURI).length \u003e 0\n        ? string(abi.encodePacked(baseURI, tokenId.toString()))\n        : \"\";\n  }\n\n  /**\n   * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each\n   * token will be the concatenation of the `baseURI` and the `tokenId`. Empty\n   * by default, can be overriden in child contracts.\n   */\n  function _baseURI() internal view virtual returns (string memory) {\n    return \"\";\n  }\n\n  /**\n   * @dev See {IERC721-approve}.\n   */\n  function approve(address to, uint256 tokenId) public override {\n    address owner = ERC721A.ownerOf(tokenId);\n    require(to != owner, \"ERC721A: approval to current owner\");\n\n    require(\n      _msgSender() == owner || isApprovedForAll(owner, _msgSender()),\n      \"ERC721A: approve caller is not owner nor approved for all\"\n    );\n\n    _approve(to, tokenId, owner);\n  }\n\n  /**\n   * @dev See {IERC721-getApproved}.\n   */\n  function getApproved(uint256 tokenId) public view override returns (address) {\n    require(_exists(tokenId), \"ERC721A: approved query for nonexistent token\");\n\n    return _tokenApprovals[tokenId];\n  }\n\n  /**\n   * @dev See {IERC721-setApprovalForAll}.\n   */\n  function setApprovalForAll(address operator, bool approved) public override {\n    require(operator != _msgSender(), \"ERC721A: approve to caller\");\n\n    _operatorApprovals[_msgSender()][operator] = approved;\n    emit ApprovalForAll(_msgSender(), operator, approved);\n  }\n\n  /**\n   * @dev See {IERC721-isApprovedForAll}.\n   */\n  function isApprovedForAll(address owner, address operator)\n    public\n    view\n    virtual\n    override\n    returns (bool)\n  {\n    return _operatorApprovals[owner][operator];\n  }\n\n  /**\n   * @dev See {IERC721-transferFrom}.\n   */\n  function transferFrom(\n    address from,\n    address to,\n    uint256 tokenId\n  ) public override {\n    _transfer(from, to, tokenId);\n  }\n\n  /**\n   * @dev See {IERC721-safeTransferFrom}.\n   */\n  function safeTransferFrom(\n    address from,\n    address to,\n    uint256 tokenId\n  ) public override {\n    safeTransferFrom(from, to, tokenId, \"\");\n  }\n\n  /**\n   * @dev See {IERC721-safeTransferFrom}.\n   */\n  function safeTransferFrom(\n    address from,\n    address to,\n    uint256 tokenId,\n    bytes memory _data\n  ) public override {\n    _transfer(from, to, tokenId);\n    require(\n      _checkOnERC721Received(from, to, tokenId, _data),\n      \"ERC721A: transfer to non ERC721Receiver implementer\"\n    );\n  }\n\n  /**\n   * @dev Returns whether `tokenId` exists.\n   *\n   * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.\n   *\n   * Tokens start existing when they are minted (`_mint`),\n   */\n  // function _exists(uint256 tokenId) internal view returns (bool) {\n  function _exists(uint256 tokenId) internal view virtual returns (bool) {\n    return tokenId \u003c currentIndex;\n  }\n\n  function _safeMint(address to, uint256 quantity) internal {\n    _safeMint(to, quantity, \"\");\n  }\n\n  /**\n   * @dev Mints `quantity` tokens and transfers them to `to`.\n   *\n   * Requirements:\n   *\n   * - there must be `quantity` tokens remaining unminted in the total collection.\n   * - `to` cannot be the zero address.\n   * - `quantity` cannot be larger than the max batch size.\n   *\n   * Emits a {Transfer} event.\n   */\n  function _safeMint(\n    address to,\n    uint256 quantity,\n    bytes memory _data\n  ) internal {\n    uint256 startTokenId = currentIndex;\n    require(to != address(0), \"ERC721A: mint to the zero address\");\n    // We know if the first token in the batch doesn\u0027t exist, the other ones don\u0027t as well, because of serial ordering.\n    require(!_exists(startTokenId), \"ERC721A: token already minted\");\n    require(quantity \u003c= maxBatchSize, \"ERC721A: quantity to mint too high\");\n\n    _beforeTokenTransfers(address(0), to, startTokenId, quantity);\n\n    AddressData memory addressData = _addressData[to];\n    _addressData[to] = AddressData(\n      addressData.balance + uint128(quantity),\n      addressData.numberMinted + uint128(quantity)\n    );\n    _ownerships[startTokenId] = TokenOwnership(to, uint64(block.timestamp));\n\n    uint256 updatedIndex = startTokenId;\n\n    for (uint256 i = 0; i \u003c quantity; i++) {\n      emit Transfer(address(0), to, updatedIndex);\n      require(\n        _checkOnERC721Received(address(0), to, updatedIndex, _data),\n        \"ERC721A: transfer to non ERC721Receiver implementer\"\n      );\n      updatedIndex++;\n    }\n\n    currentIndex = updatedIndex;\n    _afterTokenTransfers(address(0), to, startTokenId, quantity);\n  }\n\n  /**\n   * @dev Transfers `tokenId` from `from` to `to`.\n   *\n   * Requirements:\n   *\n   * - `to` cannot be the zero address.\n   * - `tokenId` token must be owned by `from`.\n   *\n   * Emits a {Transfer} event.\n   */\n  function _transfer(\n    address from,\n    address to,\n    uint256 tokenId\n  ) private {\n    TokenOwnership memory prevOwnership = ownershipOf(tokenId);\n\n    bool isApprovedOrOwner = (_msgSender() == prevOwnership.addr ||\n      getApproved(tokenId) == _msgSender() ||\n      isApprovedForAll(prevOwnership.addr, _msgSender()));\n\n    require(\n      isApprovedOrOwner,\n      \"ERC721A: transfer caller is not owner nor approved\"\n    );\n\n    require(\n      prevOwnership.addr == from,\n      \"ERC721A: transfer from incorrect owner\"\n    );\n    require(to != address(0), \"ERC721A: transfer to the zero address\");\n\n    _beforeTokenTransfers(from, to, tokenId, 1);\n\n    // Clear approvals from the previous owner\n    _approve(address(0), tokenId, prevOwnership.addr);\n\n    _addressData[from].balance -= 1;\n    _addressData[to].balance += 1;\n    _ownerships[tokenId] = TokenOwnership(to, uint64(block.timestamp));\n\n    // If the ownership slot of tokenId+1 is not explicitly set, that means the transfer initiator owns it.\n    // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.\n    uint256 nextTokenId = tokenId + 1;\n    if (_ownerships[nextTokenId].addr == address(0)) {\n      if (_exists(nextTokenId)) {\n        _ownerships[nextTokenId] = TokenOwnership(\n          prevOwnership.addr,\n          prevOwnership.startTimestamp\n        );\n      }\n    }\n\n    emit Transfer(from, to, tokenId);\n    _afterTokenTransfers(from, to, tokenId, 1);\n  }\n\n  /**\n   * @dev Approve `to` to operate on `tokenId`\n   *\n   * Emits a {Approval} event.\n   */\n  function _approve(\n    address to,\n    uint256 tokenId,\n    address owner\n  ) private {\n    _tokenApprovals[tokenId] = to;\n    emit Approval(owner, to, tokenId);\n  }\n\n  uint256 public nextOwnerToExplicitlySet = 0;\n\n  /**\n   * @dev Explicitly set `owners` to eliminate loops in future calls of ownerOf().\n   */\n  function _setOwnersExplicit(uint256 quantity) internal {\n    uint256 oldNextOwnerToSet = nextOwnerToExplicitlySet;\n    require(quantity \u003e 0, \"quantity must be nonzero\");\n    uint256 endIndex = oldNextOwnerToSet + quantity - 1;\n    if (endIndex \u003e collectionSize - 1) {\n      endIndex = collectionSize - 1;\n    }\n    // We know if the last one in the group exists, all in the group exist, due to serial ordering.\n    require(_exists(endIndex), \"not enough minted yet for this cleanup\");\n    for (uint256 i = oldNextOwnerToSet; i \u003c= endIndex; i++) {\n      if (_ownerships[i].addr == address(0)) {\n        TokenOwnership memory ownership = ownershipOf(i);\n        _ownerships[i] = TokenOwnership(\n          ownership.addr,\n          ownership.startTimestamp\n        );\n      }\n    }\n    nextOwnerToExplicitlySet = endIndex + 1;\n  }\n\n  /**\n   * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.\n   * The call is not executed if the target address is not a contract.\n   *\n   * @param from address representing the previous owner of the given token ID\n   * @param to target address that will receive the tokens\n   * @param tokenId uint256 ID of the token to be transferred\n   * @param _data bytes optional data to send along with the call\n   * @return bool whether the call correctly returned the expected magic value\n   */\n  function _checkOnERC721Received(\n    address from,\n    address to,\n    uint256 tokenId,\n    bytes memory _data\n  ) internal returns (bool) {\n    if (to.isContract()) {\n      try\n        IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data)\n      returns (bytes4 retval) {\n        return retval == IERC721Receiver(to).onERC721Received.selector;\n      } catch (bytes memory reason) {\n        if (reason.length == 0) {\n          revert(\"ERC721A: transfer to non ERC721Receiver implementer\");\n        } else {\n          assembly {\n            revert(add(32, reason), mload(reason))\n          }\n        }\n      }\n    } else {\n      return true;\n    }\n  }\n\n  /**\n   * @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting.\n   *\n   * startTokenId - the first token id to be transferred\n   * quantity - the amount to be transferred\n   *\n   * Calling conditions:\n   *\n   * - When `from` and `to` are both non-zero, ``from``\u0027s `tokenId` will be\n   * transferred to `to`.\n   * - When `from` is zero, `tokenId` will be minted for `to`.\n   */\n  function _beforeTokenTransfers(\n    address from,\n    address to,\n    uint256 startTokenId,\n    uint256 quantity\n  ) internal virtual {}\n\n  /**\n   * @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes\n   * minting.\n   *\n   * startTokenId - the first token id to be transferred\n   * quantity - the amount to be transferred\n   *\n   * Calling conditions:\n   *\n   * - when `from` and `to` are both non-zero.\n   * - `from` and `to` are never both zero.\n   */\n  function _afterTokenTransfers(\n    address from,\n    address to,\n    uint256 startTokenId,\n    uint256 quantity\n  ) internal virtual {}\n}"},"IERC165.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\ninterface IERC165 {\n    /**\n     * @dev Returns true if this contract implements the interface defined by\n     * `interfaceId`. See the corresponding\n     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]\n     * to learn more about how these ids are created.\n     *\n     * This function call must use less than 30 000 gas.\n     */\n    function supportsInterface(bytes4 interfaceId) external view returns (bool);\n}"},"IERC721.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC165.sol\";\n\n\ninterface IERC721 is IERC165 {\n   \n    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n\n    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n\n    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n\n    function balanceOf(address owner) external view returns (uint256 balance);\n\n    \n    function ownerOf(uint256 tokenId) external view returns (address owner);\n\n    \n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId,\n        bytes calldata data\n    ) external;\n\n\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) external;\n\n \n    function transferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) external;\n\n \n    function approve(address to, uint256 tokenId) external;\n\n \n    function setApprovalForAll(address operator, bool _approved) external;\n\n\n    function getApproved(uint256 tokenId) external view returns (address operator);\n\n    function isApprovedForAll(address owner, address operator) external view returns (bool);\n}"},"IERC721Enumerable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC721/extensions/IERC721Enumerable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC721.sol\";\n\ninterface IERC721Enumerable is IERC721 {\n\n    function totalSupply() external view returns (uint256);\n\n    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);\n\n    function tokenByIndex(uint256 index) external view returns (uint256);\n}"},"IERC721Metadata.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/extensions/IERC721Metadata.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./IERC721.sol\";\n\ninterface IERC721Metadata is IERC721 {\n\n    function name() external view returns (string memory);\n\n    function symbol() external view returns (string memory);\n\n    function tokenURI(uint256 tokenId) external view returns (string memory);\n}"},"IERC721Receiver.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\ninterface IERC721Receiver {\n\n    function onERC721Received(\n        address operator,\n        address from,\n        uint256 tokenId,\n        bytes calldata data\n    ) external returns (bytes4);\n}"},"Ownable.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"./Context.sol\";\n\nabstract contract Ownable is Context {\n    address private _owner;\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    constructor() {\n        _transferOwnership(_msgSender());\n    }\n\n    function owner() public view virtual returns (address) {\n        return _owner;\n    }\n\n    modifier onlyOwner() {\n        require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n        _;\n    }\n\n    function renounceOwnership() public virtual onlyOwner {\n        _transferOwnership(address(0));\n    }\n\n    function transferOwnership(address newOwner) public virtual onlyOwner {\n        require(newOwner != address(0), \"Ownable: new owner is the zero address\");\n        _transferOwnership(newOwner);\n    }\n\n    function _transferOwnership(address newOwner) internal virtual {\n        address oldOwner = _owner;\n        _owner = newOwner;\n        emit OwnershipTransferred(oldOwner, newOwner);\n    }\n}"},"ReentrancyGuard.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)\n\npragma solidity ^0.8.0;\n\nabstract contract ReentrancyGuard {\n\n    uint256 private constant _NOT_ENTERED = 1;\n    uint256 private constant _ENTERED = 2;\n\n    uint256 private _status;\n\n    constructor() {\n        _status = _NOT_ENTERED;\n    }\n\n    modifier nonReentrant() {\n        // On the first call to nonReentrant, _notEntered will be true\n        require(_status != _ENTERED, \"ReentrancyGuard: reentrant call\");\n\n        // Any calls to nonReentrant after this point will fail\n        _status = _ENTERED;\n\n        _;\n\n        // By storing the original value once again, a refund is triggered (see\n        // https://eips.ethereum.org/EIPS/eip-2200)\n        _status = _NOT_ENTERED;\n    }\n}"},"Strings.sol":{"content":"// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Strings.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev String operations.\n */\nlibrary Strings {\n    bytes16 private constant _HEX_SYMBOLS = \"0123456789abcdef\";\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` decimal representation.\n     */\n    function toString(uint256 value) internal pure returns (string memory) {\n        // Inspired by OraclizeAPI\u0027s implementation - MIT licence\n        // https://github.com/oraclize/ethereum-api/blob/b42146b063c7d6ee1358846c198246239e9360e8/oraclizeAPI_0.4.25.sol\n\n        if (value == 0) {\n            return \"0\";\n        }\n        uint256 temp = value;\n        uint256 digits;\n        while (temp != 0) {\n            digits++;\n            temp /= 10;\n        }\n        bytes memory buffer = new bytes(digits);\n        while (value != 0) {\n            digits -= 1;\n            buffer[digits] = bytes1(uint8(48 + uint256(value % 10)));\n            value /= 10;\n        }\n        return string(buffer);\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation.\n     */\n    function toHexString(uint256 value) internal pure returns (string memory) {\n        if (value == 0) {\n            return \"0x00\";\n        }\n        uint256 temp = value;\n        uint256 length = 0;\n        while (temp != 0) {\n            length++;\n            temp \u003e\u003e= 8;\n        }\n        return toHexString(value, length);\n    }\n\n    /**\n     * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length.\n     */\n    function toHexString(uint256 value, uint256 length) internal pure returns (string memory) {\n        bytes memory buffer = new bytes(2 * length + 2);\n        buffer[0] = \"0\";\n        buffer[1] = \"x\";\n        for (uint256 i = 2 * length + 1; i \u003e 1; --i) {\n            buffer[i] = _HEX_SYMBOLS[value \u0026 0xf];\n            value \u003e\u003e= 4;\n        }\n        require(value == 0, \"Strings: hex length insufficient\");\n        return string(buffer);\n    }\n}"},"Tatols.sol":{"content":"// SPDX-License-Identifier: MIT\n\npragma solidity ^0.8.0;\n\nimport \"./ERC721A.sol\";\nimport \"./Ownable.sol\";\nimport \"./ReentrancyGuard.sol\";\nimport \"./Address.sol\";\n\ncontract Tatols is Ownable, ERC721A, ReentrancyGuard {\n\n    using Address for address;\n\n    uint256 constant private _allowlistSize = 1000;\n    uint256 constant private _auctionSize = 9000;\n\n    uint256 constant private _collectionSize = _allowlistSize + _auctionSize;\n    uint256 constant private _maxBatchSize = 20;\n\n    uint256 public allowlistCurrentIndex = 1;\n    uint256 public auctionCurrentIndex = _allowlistSize + 1;\n\n    address public immutable recipient;\n\n    struct SaleConfig {\n        uint32 startTime;\n        uint32 endTime;\n        uint256 mintPrice;\n    }\n    SaleConfig public saleConfig;\n\n    mapping(address =\u003e uint256) public allowlist;\n\n    string private _baseTokenURI;\n\n    constructor() ERC721A(\"Tatols\",\"TATOLS\",_maxBatchSize,_collectionSize) {\n        saleConfig = SaleConfig(1650456000, 1650715200, 0.025 * 10 ** 18);\n        recipient = 0x6fD4409Bdefb6FF9ce3c7f34F5EBC2Be5Ca4349c;\n        //Need explicit id starting with \u0027auctionCurrentIndex\u0027\n        nextOwnerToExplicitlySet = auctionCurrentIndex;\n    }\n\n    modifier callerIsUser() {\n        require(tx.origin == msg.sender, \"Tatols: The caller is another contract\");\n        _;\n    }\n\n    modifier checkTime() {\n        require(\n            block.timestamp \u003e= uint256(saleConfig.startTime) \u0026\u0026\n            block.timestamp \u003c= uint256(saleConfig.endTime), \n            \"Tatols: Out of sale time\");\n        _;\n    }\n\n    function totalSupply() public view override returns (uint256) {\n        return totalSupplyOfAuction() + totalSupplyOfAllowlist();\n    }\n\n    function allTotalSupply() public view returns (uint256, uint256) {\n        return (totalSupplyOfAuction(),totalSupplyOfAllowlist());\n    }\n\n    function totalSupplyOfAuction() internal view returns(uint256) {\n        return auctionCurrentIndex - _allowlistSize - 1;\n    }\n\n    function totalSupplyOfAllowlist() internal view returns(uint256) {\n        return allowlistCurrentIndex - 1;\n    }\n\n    function _exists(uint256 tokenId) internal view override returns (bool) {\n        return \n            (tokenId \u003e 0 \u0026\u0026 tokenId \u003c= _allowlistSize \u0026\u0026 tokenId \u003c allowlistCurrentIndex) ||\n            (tokenId \u003e _allowlistSize \u0026\u0026 tokenId \u003c auctionCurrentIndex);\n    }\n\n    function _safeMint(address to, uint256 quantity, uint256 startTokenId) internal {\n        _safeMint(to, quantity, startTokenId, \"\");\n    }\n\n    function _safeMint(address to, uint256 quantity, uint256 startTokenId, bytes memory _data) internal {\n        require(to != address(0), \"ERC721A: mint to the zero address\");\n        // We know if the first token in the batch doesn\u0027t exist, the other ones don\u0027t as well, because of serial ordering.\n        require(!_exists(startTokenId), \"ERC721A: token already minted\");\n        require(quantity \u003c= maxBatchSize, \"ERC721A: quantity to mint too high\");\n\n        _beforeTokenTransfers(address(0), to, startTokenId, quantity);\n\n        AddressData memory addressData = _addressData[to];\n        _addressData[to] = AddressData(\n            addressData.balance + uint128(quantity),\n            addressData.numberMinted + uint128(quantity)\n        );\n\n        _ownerships[startTokenId] = TokenOwnership(to, uint64(block.timestamp));\n\n        uint256 updatedIndex = startTokenId;\n        for (uint256 i = 0; i \u003c quantity; i++) {\n            emit Transfer(address(0), to, updatedIndex);\n            require(\n                _checkOnERC721Received(address(0), to, updatedIndex, _data),\n                \"ERC721A: transfer to non ERC721Receiver implementer\"\n            );\n            updatedIndex++;\n        }\n\n        _afterTokenTransfers(address(0), to, startTokenId, quantity);\n    }\n\n    function auctionMint(uint256 quantity) external payable callerIsUser checkTime {\n        require(\n            totalSupplyOfAuction() + quantity \u003c= _auctionSize,\n            \"Tatols: not enough remaining reserved for auction to support desired mint amount\");\n        \n        uint256 totalCost = uint256(saleConfig.mintPrice) * quantity;\n        _safeMint(msg.sender, quantity, auctionCurrentIndex);\n        auctionCurrentIndex += quantity;\n        refundIfOver(totalCost);\n        \n        payable(recipient).transfer(totalCost);\n    }\n\n    function allowlistMint() external payable callerIsUser checkTime {\n        require(allowlist[msg.sender] \u003e 0, \"Tatols: not eligible for allowlist mint\");\n        require(totalSupplyOfAllowlist() + 1 \u003c= _allowlistSize, \"Tatols: reached max supply\");\n        allowlist[msg.sender]--;\n        _safeMint(msg.sender, 1, allowlistCurrentIndex);\n        allowlistCurrentIndex ++;\n    }\n\n    function refundIfOver(uint256 price) private {\n        require(msg.value \u003e= price, \"Tatols: Need to send more ETH.\");\n        if (msg.value \u003e price) {\n            payable(msg.sender).transfer(msg.value - price);\n        }\n    }\n\n    function setBaseURI(string calldata baseURI) external onlyOwner {\n        _baseTokenURI = baseURI;\n    }\n\n    function _baseURI() internal view override returns (string memory) {\n        return _baseTokenURI;\n    }\n\n    function seedAllowlist(address[] memory addresses, uint256[] memory numSlots) external onlyOwner {\n        require(addresses.length == numSlots.length,\"Tatols: addresses does not match numSlots length\");\n        for (uint256 i = 0; i \u003c addresses.length; i++) {\n            allowlist[addresses[i]] = numSlots[i];\n        }\n    }\n\n    function setSaleInfo(uint32 startTime, uint32 endTime, uint256 mintPrice) external onlyOwner {\n        saleConfig = SaleConfig(startTime, endTime, mintPrice);\n    }\n\n    function setSaleTime(uint32 startTime, uint32 endTime) external onlyOwner {\n        saleConfig.startTime = startTime;\n        saleConfig.endTime = endTime;\n    }\n\n    function getSaleTime() external view returns(uint256,uint256) {\n        return (saleConfig.startTime, saleConfig.endTime);\n    }\n\n    function setSaleMintPrice(uint256 mintPrice) external onlyOwner {\n        saleConfig.mintPrice = mintPrice;\n    }\n\n    function withdrawMoney() external onlyOwner nonReentrant {\n        Address.sendValue(payable(recipient), address(this).balance);\n    }\n\n    function numberMinted(address owner) public view returns (uint256) {\n        return _numberMinted(owner);\n    }\n\n    function setOwnersExplicit(uint256 quantity) external onlyOwner nonReentrant {\n        _setOwnersExplicit(quantity);\n    }\n\n    function devAllowlistMint(uint256 quantity) external onlyOwner {\n        require(\n            totalSupplyOfAllowlist() + quantity \u003c= _allowlistSize, \n            \"Tatols: not enough remaining reserved for auction to support desired mint amount\");\n        \n        require(\n            quantity % maxBatchSize == 0,\n            \"Tatols: can only mint a multiple of the maxBatchSize\");\n\n        uint256 numChunks = quantity / maxBatchSize;\n        for (uint256 i = 0; i \u003c numChunks; i++) {\n            _safeMint(msg.sender, maxBatchSize, allowlistCurrentIndex);\n            allowlistCurrentIndex += maxBatchSize;\n        }\n    }\n\n    function devAuctionMint(uint256 quantity) external onlyOwner {\n        require(\n            totalSupplyOfAuction() + quantity \u003c= _auctionSize, \n            \"Tatols: not enough remaining reserved for auction to support desired mint amount\");\n        \n        require(\n            quantity % maxBatchSize == 0,\n            \"Tatols: can only mint a multiple of the maxBatchSize\");\n        \n        uint256 numChunks = quantity / maxBatchSize;\n        for (uint256 i = 0; i \u003c numChunks; i++) {\n            _safeMint(msg.sender, maxBatchSize, auctionCurrentIndex);\n            auctionCurrentIndex += maxBatchSize;\n        }\n    }\n\n    function getOwnershipData(uint256 tokenId) external view returns (TokenOwnership memory) {\n        return ownershipOf(tokenId);\n    }\n    \n    function exists(uint256 tokenId) external view returns (bool) {\n        return _exists(tokenId);\n    }\n    \n    function getAllowlistQuantity(address account) external view returns(uint256) {\n        return allowlist[account];\n    }\n}"}}