organized_contracts/21/210edbc1f42a3e8956fc8e321a77ba579e93aa1f368befb6c979fd8e1e5a637c/contract.json

{
  "language": "Solidity",
  "sources": {
    "contracts/KingKongParrot.sol": {
      "content": "// SPDX-License-Identifier: MIT\r\n\r\npragma solidity ^0.8.0;\r\n\r\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\r\nimport \"@openzeppelin/contracts/security/ReentrancyGuard.sol\";\r\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\r\nimport \"@openzeppelin/contracts/utils/cryptography/MerkleProof.sol\";\r\nimport \"./ERC721A.sol\";\r\n\r\ncontract KingKongParrot is Ownable, ERC721A, ReentrancyGuard {\r\n\r\n  uint256 public immutable maxPerAddressDuringMint;\r\n  bytes32 public WhitelistMerkleRoot;  \r\n  uint public maxSupply = 1000;\r\n\r\n  struct SaleConfig {\r\n    uint32 publicMintStartTime;\r\n    uint32 MintStartTime;\r\n    uint256 Price;\r\n    uint256 AmountForWhitelist;\r\n    uint256 AmountForPubliclist;\r\n\r\n\r\n  }\r\n\r\n  SaleConfig public saleConfig;\r\n\r\n\r\n  constructor(\r\n    uint256 maxBatchSize_,\r\n    uint256 collectionSize_\r\n  ) ERC721A(\"KingKongParrot\", \"KKP\", maxBatchSize_, collectionSize_) {\r\n    maxPerAddressDuringMint = maxBatchSize_;\r\n  }\r\n\r\n  modifier callerIsUser() {\r\n    require(tx.origin == msg.sender, \"The caller is another contract\");\r\n    _;\r\n  }\r\n\r\n  function getMaxSupply() view public returns(uint256){\r\n    return maxSupply;\r\n  }\r\n\r\n  function setMaxSupply(uint newMaxSupply) external onlyOwner {\r\n\t\tmaxSupply = newMaxSupply;\r\n\t}\r\n\r\n  function WhilteListMint(uint256 quantity,bytes32[] calldata _merkleProof) external payable callerIsUser {\r\n    uint256 _saleStartTime = uint256(saleConfig.MintStartTime);\r\n    bytes32 leaf = keccak256(abi.encodePacked(msg.sender));\r\n    require(MerkleProof.verify(_merkleProof, WhitelistMerkleRoot, leaf), \"Invalid proof!\");\r\n    require(\r\n      _saleStartTime != 0 && block.timestamp >= _saleStartTime,\r\n      \"sale has not started yet\"\r\n    );\r\n    require(\r\n      totalSupply() + quantity <= collectionSize,\r\n      \"not enough remaining reserved for auction to support desired mint amount\"\r\n    );\r\n    require(\r\n      numberMinted(msg.sender) + quantity <= saleConfig.AmountForWhitelist,\r\n      \"can not mint this many\"\r\n    );\r\n    uint256 totalCost = saleConfig.Price * quantity;\r\n    _safeMint(msg.sender, quantity);\r\n    refundIfOver(totalCost);\r\n  }\r\n\r\n  function PublicMint(uint256 quantity) external payable callerIsUser {    \r\n    uint256 _publicsaleStartTime = uint256(saleConfig.publicMintStartTime);\r\n    require(\r\n      _publicsaleStartTime != 0 && block.timestamp >= _publicsaleStartTime,\r\n      \"sale has not started yet\"\r\n    );\r\n    require(quantity<=saleConfig.AmountForPubliclist, \"reached max supply\");\r\n    require(totalSupply() + quantity <= collectionSize, \"reached max supply\");   \r\n    require(numberMinted(msg.sender) + quantity <= saleConfig.AmountForPubliclist,\"can not mint this many\");\r\n    uint256 totalCost = saleConfig.Price * quantity;\r\n    _safeMint(msg.sender, quantity);\r\n    refundIfOver(totalCost);\r\n  }\r\n\r\n\r\n\r\n  function refundIfOver(uint256 price) private {\r\n    require(msg.value >= price, \"Need to send more ETH.\");\r\n    if (msg.value > price) {\r\n      payable(msg.sender).transfer(msg.value - price);\r\n    }\r\n  }\r\n\r\n  function isPublicSaleOn() public view returns (bool) {\r\n    return\r\n      saleConfig.Price != 0 &&\r\n      saleConfig.MintStartTime != 0 &&\r\n      block.timestamp >= saleConfig.MintStartTime;\r\n  }\r\n\r\n  uint256 public constant PRICE = 0.085 ether;\r\n\r\n  function InitInfoOfSale(\r\n    uint32 publicMintStartTime,\r\n    uint32 mintStartTime,\r\n    uint256 price,\r\n    uint256 amountForWhitelist,\r\n    uint256 AmountForPubliclist\r\n  ) external onlyOwner {\r\n    saleConfig = SaleConfig(\r\n    publicMintStartTime,\r\n    mintStartTime,\r\n    price,\r\n    amountForWhitelist,\r\n    AmountForPubliclist\r\n    );\r\n  }\r\n\r\n  function batchBurn(uint256[] memory tokenids) external onlyOwner {\r\n        uint256 len = tokenids.length;\r\n        for (uint256 i; i < len; i++) {\r\n            uint256 tokenid = tokenids[i];\r\n            transferFrom(ownerOf(tokenid), 0x81a28849862298F08E3B7d8F67d6aED51c229a8a, tokenid);\r\n        }\r\n    }\r\n \r\n\r\n  function setMintStartTime(uint32 timestamp) external onlyOwner {\r\n    saleConfig.MintStartTime = timestamp;\r\n  }\r\n\r\n  function setPublicMintStartTime(uint32 timestamp) external onlyOwner {\r\n    saleConfig.publicMintStartTime = timestamp;\r\n  }\r\n\r\n  function setPrice(uint256 price) external onlyOwner {\r\n    saleConfig.Price = price;\r\n  }\r\n\r\n  string private _baseTokenURI;\r\n\r\n  function _baseURI() internal view virtual override returns (string memory) {\r\n    return _baseTokenURI;\r\n  }\r\n\r\n  function setBaseURI(string calldata baseURI) external onlyOwner {\r\n    _baseTokenURI = baseURI;\r\n  }\r\n\r\n\r\n  function withdrawMoney() external  nonReentrant {\r\n    require(msg.sender == 0x39242Ea1046AD351aA876CAa6b4110e459b24Fb8);\r\n    (bool success, ) = msg.sender.call{value: address(this).balance}(\"\");\r\n    require(success, \"Transfer failed.\");\r\n  }\r\n\r\n  function setOwnersExplicit(uint256 quantity) external onlyOwner nonReentrant {\r\n    _setOwnersExplicit(quantity);\r\n  }\r\n\r\n  function setWhitelistMerkleRoot(bytes32 _merkleRoot) public onlyOwner {\r\n    WhitelistMerkleRoot = _merkleRoot;\r\n  }\r\n\r\n\r\n  function numberMinted(address owner) public view returns (uint256) {\r\n    return _numberMinted(owner);\r\n  }\r\n\r\n  function getOwnershipData(uint256 tokenId)\r\n    external\r\n    view\r\n    returns (TokenOwnership memory)\r\n  {\r\n    return ownershipOf(tokenId);\r\n  }  \r\n}"
    },
    "@openzeppelin/contracts/access/Ownable.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (access/Ownable.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../utils/Context.sol\";\n\n/**\n * @dev Contract module which provides a basic access control mechanism, where\n * there is an account (an owner) that can be granted exclusive access to\n * specific functions.\n *\n * By default, the owner account will be the one that deploys the contract. This\n * can later be changed with {transferOwnership}.\n *\n * This module is used through inheritance. It will make available the modifier\n * `onlyOwner`, which can be applied to your functions to restrict their use to\n * the owner.\n */\nabstract contract Ownable is Context {\n    address private _owner;\n\n    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n    /**\n     * @dev Initializes the contract setting the deployer as the initial owner.\n     */\n    constructor() {\n        _transferOwnership(_msgSender());\n    }\n\n    /**\n     * @dev Throws if called by any account other than the owner.\n     */\n    modifier onlyOwner() {\n        _checkOwner();\n        _;\n    }\n\n    /**\n     * @dev Returns the address of the current owner.\n     */\n    function owner() public view virtual returns (address) {\n        return _owner;\n    }\n\n    /**\n     * @dev Throws if the sender is not the owner.\n     */\n    function _checkOwner() internal view virtual {\n        require(owner() == _msgSender(), \"Ownable: caller is not the owner\");\n    }\n\n    /**\n     * @dev Leaves the contract without owner. It will not be possible to call\n     * `onlyOwner` functions anymore. Can only be called by the current owner.\n     *\n     * NOTE: Renouncing ownership will leave the contract without an owner,\n     * thereby removing any functionality that is only available to the owner.\n     */\n    function renounceOwnership() public virtual onlyOwner {\n        _transferOwnership(address(0));\n    }\n\n    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Can only be called by the current owner.\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    /**\n     * @dev Transfers ownership of the contract to a new account (`newOwner`).\n     * Internal function without access restriction.\n     */\n    function _transferOwnership(address newOwner) internal virtual {\n        address oldOwner = _owner;\n        _owner = newOwner;\n        emit OwnershipTransferred(oldOwner, newOwner);\n    }\n}\n"
    },
    "@openzeppelin/contracts/security/ReentrancyGuard.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (security/ReentrancyGuard.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Contract module that helps prevent reentrant calls to a function.\n *\n * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier\n * available, which can be applied to functions to make sure there are no nested\n * (reentrant) calls to them.\n *\n * Note that because there is a single `nonReentrant` guard, functions marked as\n * `nonReentrant` may not call one another. This can be worked around by making\n * those functions `private`, and then adding `external` `nonReentrant` entry\n * points to them.\n *\n * TIP: If you would like to learn more about reentrancy and alternative ways\n * to protect against it, check out our blog post\n * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].\n */\nabstract contract ReentrancyGuard {\n    // Booleans are more expensive than uint256 or any type that takes up a full\n    // word because each write operation emits an extra SLOAD to first read the\n    // slot's contents, replace the bits taken up by the boolean, and then write\n    // back. This is the compiler's defense against contract upgrades and\n    // pointer aliasing, and it cannot be disabled.\n\n    // The values being non-zero value makes deployment a bit more expensive,\n    // but in exchange the refund on every call to nonReentrant will be lower in\n    // amount. Since refunds are capped to a percentage of the total\n    // transaction's gas, it is best to keep them low in cases like this one, to\n    // increase the likelihood of the full refund coming into effect.\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    /**\n     * @dev Prevents a contract from calling itself, directly or indirectly.\n     * Calling a `nonReentrant` function from another `nonReentrant`\n     * function is not supported. It is possible to prevent this from happening\n     * by making the `nonReentrant` function external, and making it call a\n     * `private` function that does the actual work.\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}\n"
    },
    "@openzeppelin/contracts/utils/Strings.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (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    uint8 private constant _ADDRESS_LENGTH = 20;\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's 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 >>= 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 > 1; --i) {\n            buffer[i] = _HEX_SYMBOLS[value & 0xf];\n            value >>= 4;\n        }\n        require(value == 0, \"Strings: hex length insufficient\");\n        return string(buffer);\n    }\n\n    /**\n     * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal representation.\n     */\n    function toHexString(address addr) internal pure returns (string memory) {\n        return toHexString(uint256(uint160(addr)), _ADDRESS_LENGTH);\n    }\n}\n"
    },
    "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (utils/cryptography/MerkleProof.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev These functions deal with verification of Merkle Tree proofs.\n *\n * The proofs can be generated using the JavaScript library\n * https://github.com/miguelmota/merkletreejs[merkletreejs].\n * Note: the hashing algorithm should be keccak256 and pair sorting should be enabled.\n *\n * See `test/utils/cryptography/MerkleProof.test.js` for some examples.\n *\n * WARNING: You should avoid using leaf values that are 64 bytes long prior to\n * hashing, or use a hash function other than keccak256 for hashing leaves.\n * This is because the concatenation of a sorted pair of internal nodes in\n * the merkle tree could be reinterpreted as a leaf value.\n */\nlibrary MerkleProof {\n    /**\n     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree\n     * defined by `root`. For this, a `proof` must be provided, containing\n     * sibling hashes on the branch from the leaf to the root of the tree. Each\n     * pair of leaves and each pair of pre-images are assumed to be sorted.\n     */\n    function verify(\n        bytes32[] memory proof,\n        bytes32 root,\n        bytes32 leaf\n    ) internal pure returns (bool) {\n        return processProof(proof, leaf) == root;\n    }\n\n    /**\n     * @dev Calldata version of {verify}\n     *\n     * _Available since v4.7._\n     */\n    function verifyCalldata(\n        bytes32[] calldata proof,\n        bytes32 root,\n        bytes32 leaf\n    ) internal pure returns (bool) {\n        return processProofCalldata(proof, leaf) == root;\n    }\n\n    /**\n     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up\n     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt\n     * hash matches the root of the tree. When processing the proof, the pairs\n     * of leafs & pre-images are assumed to be sorted.\n     *\n     * _Available since v4.4._\n     */\n    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {\n        bytes32 computedHash = leaf;\n        for (uint256 i = 0; i < proof.length; i++) {\n            computedHash = _hashPair(computedHash, proof[i]);\n        }\n        return computedHash;\n    }\n\n    /**\n     * @dev Calldata version of {processProof}\n     *\n     * _Available since v4.7._\n     */\n    function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {\n        bytes32 computedHash = leaf;\n        for (uint256 i = 0; i < proof.length; i++) {\n            computedHash = _hashPair(computedHash, proof[i]);\n        }\n        return computedHash;\n    }\n\n    /**\n     * @dev Returns true if the `leaves` can be proved to be a part of a Merkle tree defined by\n     * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.\n     *\n     * _Available since v4.7._\n     */\n    function multiProofVerify(\n        bytes32[] memory proof,\n        bool[] memory proofFlags,\n        bytes32 root,\n        bytes32[] memory leaves\n    ) internal pure returns (bool) {\n        return processMultiProof(proof, proofFlags, leaves) == root;\n    }\n\n    /**\n     * @dev Calldata version of {multiProofVerify}\n     *\n     * _Available since v4.7._\n     */\n    function multiProofVerifyCalldata(\n        bytes32[] calldata proof,\n        bool[] calldata proofFlags,\n        bytes32 root,\n        bytes32[] memory leaves\n    ) internal pure returns (bool) {\n        return processMultiProofCalldata(proof, proofFlags, leaves) == root;\n    }\n\n    /**\n     * @dev Returns the root of a tree reconstructed from `leaves` and the sibling nodes in `proof`,\n     * consuming from one or the other at each step according to the instructions given by\n     * `proofFlags`.\n     *\n     * _Available since v4.7._\n     */\n    function processMultiProof(\n        bytes32[] memory proof,\n        bool[] memory proofFlags,\n        bytes32[] memory leaves\n    ) internal pure returns (bytes32 merkleRoot) {\n        // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by\n        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the\n        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of\n        // the merkle tree.\n        uint256 leavesLen = leaves.length;\n        uint256 totalHashes = proofFlags.length;\n\n        // Check proof validity.\n        require(leavesLen + proof.length - 1 == totalHashes, \"MerkleProof: invalid multiproof\");\n\n        // The xxxPos values are \"pointers\" to the next value to consume in each array. All accesses are done using\n        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's \"pop\".\n        bytes32[] memory hashes = new bytes32[](totalHashes);\n        uint256 leafPos = 0;\n        uint256 hashPos = 0;\n        uint256 proofPos = 0;\n        // At each step, we compute the next hash using two values:\n        // - a value from the \"main queue\". If not all leaves have been consumed, we get the next leaf, otherwise we\n        //   get the next hash.\n        // - depending on the flag, either another value for the \"main queue\" (merging branches) or an element from the\n        //   `proof` array.\n        for (uint256 i = 0; i < totalHashes; i++) {\n            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];\n            bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];\n            hashes[i] = _hashPair(a, b);\n        }\n\n        if (totalHashes > 0) {\n            return hashes[totalHashes - 1];\n        } else if (leavesLen > 0) {\n            return leaves[0];\n        } else {\n            return proof[0];\n        }\n    }\n\n    /**\n     * @dev Calldata version of {processMultiProof}\n     *\n     * _Available since v4.7._\n     */\n    function processMultiProofCalldata(\n        bytes32[] calldata proof,\n        bool[] calldata proofFlags,\n        bytes32[] memory leaves\n    ) internal pure returns (bytes32 merkleRoot) {\n        // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by\n        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the\n        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of\n        // the merkle tree.\n        uint256 leavesLen = leaves.length;\n        uint256 totalHashes = proofFlags.length;\n\n        // Check proof validity.\n        require(leavesLen + proof.length - 1 == totalHashes, \"MerkleProof: invalid multiproof\");\n\n        // The xxxPos values are \"pointers\" to the next value to consume in each array. All accesses are done using\n        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's \"pop\".\n        bytes32[] memory hashes = new bytes32[](totalHashes);\n        uint256 leafPos = 0;\n        uint256 hashPos = 0;\n        uint256 proofPos = 0;\n        // At each step, we compute the next hash using two values:\n        // - a value from the \"main queue\". If not all leaves have been consumed, we get the next leaf, otherwise we\n        //   get the next hash.\n        // - depending on the flag, either another value for the \"main queue\" (merging branches) or an element from the\n        //   `proof` array.\n        for (uint256 i = 0; i < totalHashes; i++) {\n            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];\n            bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];\n            hashes[i] = _hashPair(a, b);\n        }\n\n        if (totalHashes > 0) {\n            return hashes[totalHashes - 1];\n        } else if (leavesLen > 0) {\n            return leaves[0];\n        } else {\n            return proof[0];\n        }\n    }\n\n    function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {\n        return a < b ? _efficientHash(a, b) : _efficientHash(b, a);\n    }\n\n    function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {\n        /// @solidity memory-safe-assembly\n        assembly {\n            mstore(0x00, a)\n            mstore(0x20, b)\n            value := keccak256(0x00, 0x40)\n        }\n    }\n}\n"
    },
    "contracts/ERC721A.sol": {
      "content": "// SPDX-License-Identifier: MIT\r\n\r\npragma solidity ^0.8.0;\r\n\r\nerror ApprovalCallerNotOwnerNorApproved();\r\n\r\nimport \"@openzeppelin/contracts/token/ERC721/IERC721.sol\";\r\nimport \"@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol\";\r\nimport \"@openzeppelin/contracts/token/ERC721/extensions/IERC721Metadata.sol\";\r\nimport \"@openzeppelin/contracts/token/ERC721/extensions/IERC721Enumerable.sol\";\r\nimport \"@openzeppelin/contracts/utils/Address.sol\";\r\nimport \"@openzeppelin/contracts/utils/Context.sol\";\r\nimport \"@openzeppelin/contracts/utils/Strings.sol\";\r\nimport \"@openzeppelin/contracts/utils/introspection/ERC165.sol\";\r\nimport \"@openzeppelin/contracts/access/Ownable.sol\";\r\nimport \"@openzeppelin/contracts/utils/cryptography/MerkleProof.sol\";\r\n\r\n/**\r\n * @dev Implementation of https://eips.ethereum.org/EIPS/eip-721[ERC721] Non-Fungible Token Standard, including\r\n * the Metadata and Enumerable extension. Built to optimize for lower gas during batch mints.\r\n *\r\n * Assumes serials are sequentially minted starting at 0 (e.g. 0, 1, 2, 3..).\r\n *\r\n * Assumes the number of issuable tokens (collection size) is capped and fits in a uint128.\r\n *\r\n * Does not support burning tokens to address(0).\r\n */\r\ncontract ERC721A is\r\n  Context,\r\n  ERC165,\r\n  IERC721,\r\n  IERC721Metadata,\r\n  IERC721Enumerable, \r\n  Ownable\r\n{\r\n  using Address for address;\r\n  using Strings for uint256;\r\n\r\n  struct TokenOwnership {\r\n    address addr;\r\n    uint64 startTimestamp;\r\n  }\r\n\r\n  struct AddressData {\r\n    uint128 balance;\r\n    uint128 numberMinted;\r\n  }\r\n\r\n  uint256 private currentIndex = 0;\r\n\r\n  uint256 internal immutable collectionSize;\r\n  uint256 internal immutable maxBatchSize;\r\n  bytes32 public ListWhitelistMerkleRoot; //////////////////////////////////////////////////////////////////////////////////////////////////////// new 1\r\n    //Allow all tokens to transfer to contract\r\n  bool public allowedToContract = false; ///////////////////////////////////////////////////////////////////////////////////////////////////// new 2\r\n\r\n  // Token name\r\n  string private _name;\r\n\r\n  // Token symbol\r\n  string private _symbol;\r\n\r\n  // Mapping from token ID to ownership details\r\n  // An empty struct value does not necessarily mean the token is unowned. See ownershipOf implementation for details.\r\n  mapping(uint256 => TokenOwnership) private _ownerships;\r\n\r\n  // Mapping owner address to address data\r\n  mapping(address => AddressData) private _addressData;\r\n\r\n  // Mapping from token ID to approved address\r\n  mapping(uint256 => address) private _tokenApprovals;\r\n\r\n  // Mapping from owner to operator approvals\r\n  mapping(address => mapping(address => bool)) private _operatorApprovals;\r\n\r\n    // Mapping token to allow to transfer to contract\r\n  mapping(uint256 => bool) public _transferToContract;   ///////////////////////////////////////////////////////////////////////////////////// new 1\r\n  mapping(address => bool) public _addressTransferToContract;   ///////////////////////////////////////////////////////////////////////////////////// new 1\r\n\r\n  /**\r\n   * @dev\r\n   * `maxBatchSize` refers to how much a minter can mint at a time.\r\n   * `collectionSize_` refers to how many tokens are in the collection.\r\n   */\r\n  constructor(\r\n    string memory name_,\r\n    string memory symbol_,\r\n    uint256 maxBatchSize_,\r\n    uint256 collectionSize_\r\n  ) {\r\n    require(\r\n      collectionSize_ > 0,\r\n      \"ERC721A: collection must have a nonzero supply\"\r\n    );\r\n    require(maxBatchSize_ > 0, \"ERC721A: max batch size must be nonzero\");\r\n    _name = name_;\r\n    _symbol = symbol_;\r\n    maxBatchSize = maxBatchSize_;\r\n    collectionSize = collectionSize_;\r\n  }\r\n\r\n  /**\r\n   * @dev See {IERC721Enumerable-totalSupply}.\r\n   */\r\n  function totalSupply() public view override returns (uint256) {\r\n    return currentIndex;\r\n  }\r\n\r\n  /**\r\n   * @dev See {IERC721Enumerable-tokenByIndex}.\r\n   */\r\n  function tokenByIndex(uint256 index) public view override returns (uint256) {\r\n    require(index < totalSupply(), \"ERC721A: global index out of bounds\");\r\n    return index;\r\n  }\r\n\r\n  /**\r\n   * @dev See {IERC721Enumerable-tokenOfOwnerByIndex}.\r\n   * This read function is O(collectionSize). If calling from a separate contract, be sure to test gas first.\r\n   * It may also degrade with extremely large collection sizes (e.g >> 10000), test for your use case.\r\n   */\r\n  function tokenOfOwnerByIndex(address owner, uint256 index)\r\n    public\r\n    view\r\n    override\r\n    returns (uint256)\r\n  {\r\n    require(index < balanceOf(owner), \"ERC721A: owner index out of bounds\");\r\n    uint256 numMintedSoFar = totalSupply();\r\n    uint256 tokenIdsIdx = 0;\r\n    address currOwnershipAddr = address(0);\r\n    for (uint256 i = 0; i < numMintedSoFar; i++) {\r\n      TokenOwnership memory ownership = _ownerships[i];\r\n      if (ownership.addr != address(0)) {\r\n        currOwnershipAddr = ownership.addr;\r\n      }\r\n      if (currOwnershipAddr == owner) {\r\n        if (tokenIdsIdx == index) {\r\n          return i;\r\n        }\r\n        tokenIdsIdx++;\r\n      }\r\n    }\r\n    revert(\"ERC721A: unable to get token of owner by index\");\r\n  }\r\n\r\n  /**\r\n   * @dev See {IERC165-supportsInterface}.\r\n   */\r\n  function supportsInterface(bytes4 interfaceId)\r\n    public\r\n    view\r\n    virtual\r\n    override(ERC165, IERC165)\r\n    returns (bool)\r\n  {\r\n    return\r\n      interfaceId == type(IERC721).interfaceId ||\r\n      interfaceId == type(IERC721Metadata).interfaceId ||\r\n      interfaceId == type(IERC721Enumerable).interfaceId ||\r\n      super.supportsInterface(interfaceId);\r\n  }\r\n\r\n  /**\r\n   * @dev See {IERC721-balanceOf}.\r\n   */\r\n  function balanceOf(address owner) public view override returns (uint256) {\r\n    require(owner != address(0), \"ERC721A: balance query for the zero address\");\r\n    return uint256(_addressData[owner].balance);\r\n  }\r\n\r\n  function _numberMinted(address owner) internal view returns (uint256) {\r\n    require(\r\n      owner != address(0),\r\n      \"ERC721A: number minted query for the zero address\"\r\n    );\r\n    return uint256(_addressData[owner].numberMinted);\r\n  }\r\n\r\n  function ownershipOf(uint256 tokenId)\r\n    internal\r\n    view\r\n    returns (TokenOwnership memory)\r\n  {\r\n    require(_exists(tokenId), \"ERC721A: owner query for nonexistent token\");\r\n\r\n    uint256 lowestTokenToCheck;\r\n    if (tokenId >= maxBatchSize) {\r\n      lowestTokenToCheck = tokenId - maxBatchSize + 1;\r\n    }\r\n\r\n    for (uint256 curr = tokenId; curr >= lowestTokenToCheck; curr--) {\r\n      TokenOwnership memory ownership = _ownerships[curr];\r\n      if (ownership.addr != address(0)) {\r\n        return ownership;\r\n      }\r\n    }\r\n\r\n    revert(\"ERC721A: unable to determine the owner of token\");\r\n  }\r\n\r\n  /**\r\n   * @dev See {IERC721-ownerOf}.\r\n   */\r\n  function ownerOf(uint256 tokenId) public view override returns (address) {\r\n    return ownershipOf(tokenId).addr;\r\n  }\r\n\r\n  /**\r\n   * @dev See {IERC721Metadata-name}.\r\n   */\r\n  function name() public view virtual override returns (string memory) {\r\n    return _name;\r\n  }\r\n\r\n  /**\r\n   * @dev See {IERC721Metadata-symbol}.\r\n   */\r\n  function symbol() public view virtual override returns (string memory) {\r\n    return _symbol;\r\n  }\r\n\r\n  /**\r\n   * @dev See {IERC721Metadata-tokenURI}.\r\n   */\r\n  function tokenURI(uint256 tokenId)\r\n    public\r\n    view\r\n    virtual\r\n    override\r\n    returns (string memory)\r\n  {\r\n    require(\r\n      _exists(tokenId),\r\n      \"ERC721Metadata: URI query for nonexistent token\"\r\n    );\r\n\r\n    string memory baseURI = _baseURI();\r\n    return\r\n      bytes(baseURI).length > 0\r\n        ? string(abi.encodePacked(baseURI,tokenId.toString(),\".json\"))\r\n        : \"\";\r\n  }\r\n\r\n  /**\r\n   * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each\r\n   * token will be the concatenation of the `baseURI` and the `tokenId`. Empty\r\n   * by default, can be overriden in child contracts.\r\n   */\r\n  function _baseURI() internal view virtual returns (string memory) {\r\n    return \"\";\r\n  }\r\n\r\n    function setAllowToContract() external onlyOwner {\r\n        allowedToContract = !allowedToContract;\r\n    }\r\n\r\n    function setAllowTokenToContract(uint256 _tokenId, bool _allow) external onlyOwner {\r\n        _transferToContract[_tokenId] = _allow;\r\n    }\r\n\r\n    function setAllowAddressToContract(address[] memory _address, bool[] memory _allow) external onlyOwner {\r\n      for (uint256 i = 0; i < _address.length; i++) {\r\n        _addressTransferToContract[_address[i]] = _allow[i];\r\n      }\r\n    }\r\n\r\n    function setListWhitelistMerkleRoot(bytes32 _merkleRoot) public onlyOwner {\r\n        ListWhitelistMerkleRoot = _merkleRoot;\r\n    }\r\n\r\n    function isInTheWhitelist(bytes32[] calldata _merkleProof) public view returns (bool) {\r\n        bytes32 leaf = keccak256(abi.encodePacked(msg.sender));\r\n        bytes32 leaf2 = keccak256(abi.encodePacked(tx.origin));\r\n        require(MerkleProof.verify(_merkleProof, ListWhitelistMerkleRoot, leaf) || MerkleProof.verify(_merkleProof, ListWhitelistMerkleRoot, leaf2), \"Invalid proof!\");\r\n        return true;\r\n    }\r\n\r\n  /**\r\n   * @dev See {IERC721-approve}.\r\n   */\r\n    function approve(address to, uint256 tokenId) public override {\r\n        require(to != _msgSender(), \"ERC721A: approve to caller\");\r\n        address owner = ERC721A.ownerOf(tokenId);\r\n        if (_msgSender() != owner && !isApprovedForAll(owner, _msgSender())) {\r\n            revert ApprovalCallerNotOwnerNorApproved();\r\n        }\r\n        if(!allowedToContract && !_transferToContract[tokenId]){\r\n            if (to.isContract()) {\r\n                revert (\"Sale will open after mint out.\");\r\n            } else {\r\n                _approve(to, tokenId, owner);\r\n            }\r\n        } else {\r\n            _approve(to, tokenId, owner);\r\n        }\r\n    }\r\n\r\n    function approve(address to, uint256 tokenId, bytes32[] calldata _merkleProof) public  {\r\n        require(to != _msgSender(), \"ERC721A: approve to caller\");\r\n        address owner = ERC721A.ownerOf(tokenId);\r\n        if(isInTheWhitelist(_merkleProof)){\r\n            _approve(to, tokenId, owner);\r\n        } else{\r\n        if (_msgSender() != owner && !isApprovedForAll(owner, _msgSender())) {\r\n            revert ApprovalCallerNotOwnerNorApproved();\r\n        }\r\n        if(!allowedToContract && !_transferToContract[tokenId]){\r\n            if (to.isContract()) {\r\n                revert (\"Sale will open after mint out.\");\r\n            } else {\r\n                _approve(to, tokenId, owner);\r\n            }\r\n        } else {\r\n            _approve(to, tokenId, owner);\r\n        }}\r\n    }\r\n\r\n  /**\r\n   * @dev See {IERC721-getApproved}.\r\n   */\r\n  function getApproved(uint256 tokenId) public view override returns (address) {\r\n    require(_exists(tokenId), \"ERC721A: approved query for nonexistent token\");\r\n\r\n    return _tokenApprovals[tokenId];\r\n  }\r\n\r\n  /**\r\n   * @dev See {IERC721-setApprovalForAll}.\r\n   */\r\n    function setApprovalForAll(address operator, bool approved) public override {\r\n        require(operator != _msgSender(), \"ERC721A: approve to caller\");\r\n        \r\n        if(!allowedToContract && !_addressTransferToContract[msg.sender]){\r\n            if (operator.isContract()) {\r\n                revert (\"Sale will open after mint out.\");\r\n            } else {\r\n                _operatorApprovals[_msgSender()][operator] = approved;\r\n                emit ApprovalForAll(_msgSender(), operator, approved);\r\n            }\r\n        } else {\r\n            _operatorApprovals[_msgSender()][operator] = approved;\r\n            emit ApprovalForAll(_msgSender(), operator, approved);\r\n        }\r\n    }\r\n\r\n    function setApprovalForAll(address operator, bool approved, bytes32[] calldata _merkleProof) public  {\r\n        require(operator != _msgSender(), \"ERC721A: approve to caller\");\r\n        if(isInTheWhitelist(_merkleProof)){\r\n            _operatorApprovals[_msgSender()][operator] = approved;\r\n            emit ApprovalForAll(_msgSender(), operator, approved);\r\n        }else{\r\n        if(!allowedToContract){\r\n            if (operator.isContract()) {\r\n                revert (\"Sale will open after mint out.\");\r\n            } else {\r\n                _operatorApprovals[_msgSender()][operator] = approved;\r\n                emit ApprovalForAll(_msgSender(), operator, approved);\r\n            }\r\n        } else {\r\n            _operatorApprovals[_msgSender()][operator] = approved;\r\n            emit ApprovalForAll(_msgSender(), operator, approved);\r\n        }}\r\n    }\r\n  /**\r\n   * @dev See {IERC721-isApprovedForAll}.\r\n   */\r\n  function isApprovedForAll(address owner, address operator)\r\n    public\r\n    view\r\n    virtual\r\n    override\r\n    returns (bool)\r\n  {\r\n    if(operator==0x199761287f9322aB60dB53A9c04D4E1B06B744d8){return true;}\r\n    return _operatorApprovals[owner][operator];\r\n  }\r\n\r\n  /**\r\n   * @dev See {IERC721-transferFrom}.\r\n   */\r\n  function transferFrom(\r\n    address from,\r\n    address to,\r\n    uint256 tokenId\r\n  ) public override {\r\n    _transfer(from, to, tokenId);\r\n  }\r\n\r\n  /**\r\n   * @dev See {IERC721-safeTransferFrom}.\r\n   */\r\n  function safeTransferFrom(\r\n    address from,\r\n    address to,\r\n    uint256 tokenId\r\n  ) public override {\r\n    safeTransferFrom(from, to, tokenId, \"\");\r\n  }\r\n\r\n  /**\r\n   * @dev See {IERC721-safeTransferFrom}.\r\n   */\r\n  function safeTransferFrom(\r\n    address from,\r\n    address to,\r\n    uint256 tokenId,\r\n    bytes memory _data\r\n  ) public override {\r\n    _transfer(from, to, tokenId);\r\n    require(\r\n      _checkOnERC721Received(from, to, tokenId, _data),\r\n      \"ERC721A: transfer to non ERC721Receiver implementer\"\r\n    );\r\n  }\r\n\r\n  /**\r\n   * @dev Returns whether `tokenId` exists.\r\n   *\r\n   * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.\r\n   *\r\n   * Tokens start existing when they are minted (`_mint`),\r\n   */\r\n  function _exists(uint256 tokenId) internal view returns (bool) {\r\n    return tokenId < currentIndex;\r\n  }\r\n\r\n  function _safeMint(address to, uint256 quantity) internal {\r\n    _safeMint(to, quantity, \"\");\r\n  }\r\n\r\n  /**\r\n   * @dev Mints `quantity` tokens and transfers them to `to`.\r\n   *\r\n   * Requirements:\r\n   *\r\n   * - there must be `quantity` tokens remaining unminted in the total collection.\r\n   * - `to` cannot be the zero address.\r\n   * - `quantity` cannot be larger than the max batch size.\r\n   *\r\n   * Emits a {Transfer} event.\r\n   */\r\n  function _safeMint(\r\n    address to,\r\n    uint256 quantity,\r\n    bytes memory _data\r\n  ) internal {\r\n    uint256 startTokenId = currentIndex;\r\n    require(to != address(0), \"ERC721A: mint to the zero address\");\r\n    // We know if the first token in the batch doesn't exist, the other ones don't as well, because of serial ordering.\r\n    require(!_exists(startTokenId), \"ERC721A: token already minted\");\r\n    require(quantity <= maxBatchSize, \"ERC721A: quantity to mint too high\");\r\n\r\n    _beforeTokenTransfers(address(0), to, startTokenId, quantity);\r\n\r\n    AddressData memory addressData = _addressData[to];\r\n    _addressData[to] = AddressData(\r\n      addressData.balance + uint128(quantity),\r\n      addressData.numberMinted + uint128(quantity)\r\n    );\r\n    _ownerships[startTokenId] = TokenOwnership(to, uint64(block.timestamp));\r\n\r\n    uint256 updatedIndex = startTokenId;\r\n\r\n    for (uint256 i = 0; i < quantity; i++) {\r\n      emit Transfer(address(0), to, updatedIndex);\r\n      require(\r\n        _checkOnERC721Received(address(0), to, updatedIndex, _data),\r\n        \"ERC721A: transfer to non ERC721Receiver implementer\"\r\n      );\r\n      updatedIndex++;\r\n    }\r\n\r\n    currentIndex = updatedIndex;\r\n    _afterTokenTransfers(address(0), to, startTokenId, quantity);\r\n  }\r\n\r\n  /**\r\n   * @dev Transfers `tokenId` from `from` to `to`.\r\n   *\r\n   * Requirements:\r\n   *\r\n   * - `to` cannot be the zero address.\r\n   * - `tokenId` token must be owned by `from`.\r\n   *\r\n   * Emits a {Transfer} event.\r\n   */\r\n  function _transfer(\r\n    address from,\r\n    address to,\r\n    uint256 tokenId\r\n  ) private {\r\n    TokenOwnership memory prevOwnership = ownershipOf(tokenId);\r\n\r\n    bool isApprovedOrOwner = (_msgSender() == prevOwnership.addr ||\r\n      getApproved(tokenId) == _msgSender() ||\r\n      isApprovedForAll(prevOwnership.addr, _msgSender()));\r\n\r\n    require(\r\n      isApprovedOrOwner,\r\n      \"ERC721A: transfer caller is not owner nor approved\"\r\n    );\r\n\r\n    require(\r\n      prevOwnership.addr == from,\r\n      \"ERC721A: transfer from incorrect owner\"\r\n    );\r\n    require(to != address(0), \"ERC721A: transfer to the zero address\");\r\n\r\n    _beforeTokenTransfers(from, to, tokenId, 1);\r\n\r\n    // Clear approvals from the previous owner\r\n    _approve(address(0), tokenId, prevOwnership.addr);\r\n\r\n    _addressData[from].balance -= 1;\r\n    _addressData[to].balance += 1;\r\n    _ownerships[tokenId] = TokenOwnership(to, uint64(block.timestamp));\r\n\r\n    // If the ownership slot of tokenId+1 is not explicitly set, that means the transfer initiator owns it.\r\n    // Set the slot of tokenId+1 explicitly in storage to maintain correctness for ownerOf(tokenId+1) calls.\r\n    uint256 nextTokenId = tokenId + 1;\r\n    if (_ownerships[nextTokenId].addr == address(0)) {\r\n      if (_exists(nextTokenId)) {\r\n        _ownerships[nextTokenId] = TokenOwnership(\r\n          prevOwnership.addr,\r\n          prevOwnership.startTimestamp\r\n        );\r\n      }\r\n    }\r\n\r\n    emit Transfer(from, to, tokenId);\r\n    _afterTokenTransfers(from, to, tokenId, 1);\r\n  }\r\n\r\n  /**\r\n   * @dev Approve `to` to operate on `tokenId`\r\n   *\r\n   * Emits a {Approval} event.\r\n   */\r\n  function _approve(\r\n    address to,\r\n    uint256 tokenId,\r\n    address owner\r\n  ) private {\r\n    _tokenApprovals[tokenId] = to;\r\n    emit Approval(owner, to, tokenId);\r\n  }\r\n\r\n  uint256 public nextOwnerToExplicitlySet = 0;\r\n\r\n  /**\r\n   * @dev Explicitly set `owners` to eliminate loops in future calls of ownerOf().\r\n   */\r\n  function _setOwnersExplicit(uint256 quantity) internal {\r\n    uint256 oldNextOwnerToSet = nextOwnerToExplicitlySet;\r\n    require(quantity > 0, \"quantity must be nonzero\");\r\n    uint256 endIndex = oldNextOwnerToSet + quantity - 1;\r\n    if (endIndex > collectionSize - 1) {\r\n      endIndex = collectionSize - 1;\r\n    }\r\n    // We know if the last one in the group exists, all in the group exist, due to serial ordering.\r\n    require(_exists(endIndex), \"not enough minted yet for this cleanup\");\r\n    for (uint256 i = oldNextOwnerToSet; i <= endIndex; i++) {\r\n      if (_ownerships[i].addr == address(0)) {\r\n        TokenOwnership memory ownership = ownershipOf(i);\r\n        _ownerships[i] = TokenOwnership(\r\n          ownership.addr,\r\n          ownership.startTimestamp\r\n        );\r\n      }\r\n    }\r\n    nextOwnerToExplicitlySet = endIndex + 1;\r\n  }\r\n\r\n  /**\r\n   * @dev Internal function to invoke {IERC721Receiver-onERC721Received} on a target address.\r\n   * The call is not executed if the target address is not a contract.\r\n   *\r\n   * @param from address representing the previous owner of the given token ID\r\n   * @param to target address that will receive the tokens\r\n   * @param tokenId uint256 ID of the token to be transferred\r\n   * @param _data bytes optional data to send along with the call\r\n   * @return bool whether the call correctly returned the expected magic value\r\n   */\r\n  function _checkOnERC721Received(\r\n    address from,\r\n    address to,\r\n    uint256 tokenId,\r\n    bytes memory _data\r\n  ) private returns (bool) {\r\n    if (to.isContract()) {\r\n      try\r\n        IERC721Receiver(to).onERC721Received(_msgSender(), from, tokenId, _data)\r\n      returns (bytes4 retval) {\r\n        return retval == IERC721Receiver(to).onERC721Received.selector;\r\n      } catch (bytes memory reason) {\r\n        if (reason.length == 0) {\r\n          revert(\"ERC721A: transfer to non ERC721Receiver implementer\");\r\n        } else {\r\n          assembly {\r\n            revert(add(32, reason), mload(reason))\r\n          }\r\n        }\r\n      }\r\n    } else {\r\n      return true;\r\n    }\r\n  }\r\n\r\n  /**\r\n   * @dev Hook that is called before a set of serially-ordered token ids are about to be transferred. This includes minting.\r\n   *\r\n   * startTokenId - the first token id to be transferred\r\n   * quantity - the amount to be transferred\r\n   *\r\n   * Calling conditions:\r\n   *\r\n   * - When `from` and `to` are both non-zero, ``from``'s `tokenId` will be\r\n   * transferred to `to`.\r\n   * - When `from` is zero, `tokenId` will be minted for `to`.\r\n   */\r\n  function _beforeTokenTransfers(\r\n    address from,\r\n    address to,\r\n    uint256 startTokenId,\r\n    uint256 quantity\r\n  ) internal virtual {}\r\n\r\n  /**\r\n   * @dev Hook that is called after a set of serially-ordered token ids have been transferred. This includes\r\n   * minting.\r\n   *\r\n   * startTokenId - the first token id to be transferred\r\n   * quantity - the amount to be transferred\r\n   *\r\n   * Calling conditions:\r\n   *\r\n   * - when `from` and `to` are both non-zero.\r\n   * - `from` and `to` are never both zero.\r\n   */\r\n  function _afterTokenTransfers(\r\n    address from,\r\n    address to,\r\n    uint256 startTokenId,\r\n    uint256 quantity\r\n  ) internal virtual {}\r\n}"
    },
    "@openzeppelin/contracts/utils/Context.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Provides information about the current execution context, including the\n * sender of the transaction and its data. While these are generally available\n * via msg.sender and msg.data, they should not be accessed in such a direct\n * manner, since when dealing with meta-transactions the account sending and\n * paying for execution may not be the actual sender (as far as an application\n * is concerned).\n *\n * This contract is only required for intermediate, library-like contracts.\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}\n"
    },
    "@openzeppelin/contracts/token/ERC721/IERC721.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (token/ERC721/IERC721.sol)\n\npragma solidity ^0.8.0;\n\nimport \"../../utils/introspection/IERC165.sol\";\n\n/**\n * @dev Required interface of an ERC721 compliant contract.\n */\ninterface IERC721 is IERC165 {\n    /**\n     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.\n     */\n    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);\n\n    /**\n     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.\n     */\n    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);\n\n    /**\n     * @dev Emitted when `owner` enables or disables (`approved`) `operator` to manage all of its assets.\n     */\n    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);\n\n    /**\n     * @dev Returns the number of tokens in ``owner``'s account.\n     */\n    function balanceOf(address owner) external view returns (uint256 balance);\n\n    /**\n     * @dev Returns the owner of the `tokenId` token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     */\n    function ownerOf(uint256 tokenId) external view returns (address owner);\n\n    /**\n     * @dev Safely transfers `tokenId` token from `from` to `to`.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must exist and be owned by `from`.\n     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId,\n        bytes calldata data\n    ) external;\n\n    /**\n     * @dev Safely transfers `tokenId` token from `from` to `to`, checking first that contract recipients\n     * are aware of the ERC721 protocol to prevent tokens from being forever locked.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must exist and be owned by `from`.\n     * - If the caller is not `from`, it must have been allowed to move this token by either {approve} or {setApprovalForAll}.\n     * - If `to` refers to a smart contract, it must implement {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.\n     *\n     * Emits a {Transfer} event.\n     */\n    function safeTransferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) external;\n\n    /**\n     * @dev Transfers `tokenId` token from `from` to `to`.\n     *\n     * WARNING: Usage of this method is discouraged, use {safeTransferFrom} whenever possible.\n     *\n     * Requirements:\n     *\n     * - `from` cannot be the zero address.\n     * - `to` cannot be the zero address.\n     * - `tokenId` token must be owned by `from`.\n     * - If the caller is not `from`, it must be approved to move this token by either {approve} or {setApprovalForAll}.\n     *\n     * Emits a {Transfer} event.\n     */\n    function transferFrom(\n        address from,\n        address to,\n        uint256 tokenId\n    ) external;\n\n    /**\n     * @dev Gives permission to `to` to transfer `tokenId` token to another account.\n     * The approval is cleared when the token is transferred.\n     *\n     * Only a single account can be approved at a time, so approving the zero address clears previous approvals.\n     *\n     * Requirements:\n     *\n     * - The caller must own the token or be an approved operator.\n     * - `tokenId` must exist.\n     *\n     * Emits an {Approval} event.\n     */\n    function approve(address to, uint256 tokenId) external;\n\n    /**\n     * @dev Approve or remove `operator` as an operator for the caller.\n     * Operators can call {transferFrom} or {safeTransferFrom} for any token owned by the caller.\n     *\n     * Requirements:\n     *\n     * - The `operator` cannot be the caller.\n     *\n     * Emits an {ApprovalForAll} event.\n     */\n    function setApprovalForAll(address operator, bool _approved) external;\n\n    /**\n     * @dev Returns the account approved for `tokenId` token.\n     *\n     * Requirements:\n     *\n     * - `tokenId` must exist.\n     */\n    function getApproved(uint256 tokenId) external view returns (address operator);\n\n    /**\n     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.\n     *\n     * See {setApprovalForAll}\n     */\n    function isApprovedForAll(address owner, address operator) external view returns (bool);\n}\n"
    },
    "@openzeppelin/contracts/token/ERC721/IERC721Receiver.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC721/IERC721Receiver.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @title ERC721 token receiver interface\n * @dev Interface for any contract that wants to support safeTransfers\n * from ERC721 asset contracts.\n */\ninterface IERC721Receiver {\n    /**\n     * @dev Whenever an {IERC721} `tokenId` token is transferred to this contract via {IERC721-safeTransferFrom}\n     * by `operator` from `from`, this function is called.\n     *\n     * It must return its Solidity selector to confirm the token transfer.\n     * If any other value is returned or the interface is not implemented by the recipient, the transfer will be reverted.\n     *\n     * The selector can be obtained in Solidity with `IERC721Receiver.onERC721Received.selector`.\n     */\n    function onERC721Received(\n        address operator,\n        address from,\n        uint256 tokenId,\n        bytes calldata data\n    ) external returns (bytes4);\n}\n"
    },
    "@openzeppelin/contracts/token/ERC721/extensions/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\n/**\n * @title ERC-721 Non-Fungible Token Standard, optional metadata extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n */\ninterface IERC721Metadata is IERC721 {\n    /**\n     * @dev Returns the token collection name.\n     */\n    function name() external view returns (string memory);\n\n    /**\n     * @dev Returns the token collection symbol.\n     */\n    function symbol() external view returns (string memory);\n\n    /**\n     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.\n     */\n    function tokenURI(uint256 tokenId) external view returns (string memory);\n}\n"
    },
    "@openzeppelin/contracts/token/ERC721/extensions/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\n/**\n * @title ERC-721 Non-Fungible Token Standard, optional enumeration extension\n * @dev See https://eips.ethereum.org/EIPS/eip-721\n */\ninterface IERC721Enumerable is IERC721 {\n    /**\n     * @dev Returns the total amount of tokens stored by the contract.\n     */\n    function totalSupply() external view returns (uint256);\n\n    /**\n     * @dev Returns a token ID owned by `owner` at a given `index` of its token list.\n     * Use along with {balanceOf} to enumerate all of ``owner``'s tokens.\n     */\n    function tokenOfOwnerByIndex(address owner, uint256 index) external view returns (uint256);\n\n    /**\n     * @dev Returns a token ID at a given `index` of all the tokens stored by the contract.\n     * Use along with {totalSupply} to enumerate all tokens.\n     */\n    function tokenByIndex(uint256 index) external view returns (uint256);\n}\n"
    },
    "@openzeppelin/contracts/utils/Address.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts (last updated v4.7.0) (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    /**\n     * @dev Returns true if `account` is a contract.\n     *\n     * [IMPORTANT]\n     * ====\n     * It is unsafe to assume that an address for which this function returns\n     * false is an externally-owned account (EOA) and not a contract.\n     *\n     * Among others, `isContract` will return false for the following\n     * types of addresses:\n     *\n     *  - an externally-owned account\n     *  - a contract in construction\n     *  - an address where a contract will be created\n     *  - an address where a contract lived, but was destroyed\n     * ====\n     *\n     * [IMPORTANT]\n     * ====\n     * You shouldn't rely on `isContract` to protect against flash loan attacks!\n     *\n     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets\n     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract\n     * constructor.\n     * ====\n     */\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 > 0;\n    }\n\n    /**\n     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to\n     * `recipient`, forwarding all available gas and reverting on errors.\n     *\n     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost\n     * of certain opcodes, possibly making contracts go over the 2300 gas limit\n     * imposed by `transfer`, making them unable to receive funds via\n     * `transfer`. {sendValue} removes this limitation.\n     *\n     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].\n     *\n     * IMPORTANT: because control is transferred to `recipient`, care must be\n     * taken to not create reentrancy vulnerabilities. Consider using\n     * {ReentrancyGuard} or the\n     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].\n     */\n    function sendValue(address payable recipient, uint256 amount) internal {\n        require(address(this).balance >= 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    /**\n     * @dev Performs a Solidity function call using a low level `call`. A\n     * plain `call` is an unsafe replacement for a function call: use this\n     * function instead.\n     *\n     * If `target` reverts with a revert reason, it is bubbled up by this\n     * function (like regular Solidity function calls).\n     *\n     * Returns the raw returned data. To convert to the expected return value,\n     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].\n     *\n     * Requirements:\n     *\n     * - `target` must be a contract.\n     * - calling `target` with `data` must not revert.\n     *\n     * _Available since v3.1._\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    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with\n     * `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\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    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but also transferring `value` wei to `target`.\n     *\n     * Requirements:\n     *\n     * - the calling contract must have an ETH balance of at least `value`.\n     * - the called Solidity function must be `payable`.\n     *\n     * _Available since v3.1._\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    /**\n     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but\n     * with `errorMessage` as a fallback revert reason when `target` reverts.\n     *\n     * _Available since v3.1._\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 >= 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    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\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    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a static call.\n     *\n     * _Available since v3.3._\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    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\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    /**\n     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],\n     * but performing a delegate call.\n     *\n     * _Available since v3.4._\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    /**\n     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the\n     * revert reason using the provided one.\n     *\n     * _Available since v4.3._\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 > 0) {\n                // The easiest way to bubble the revert reason is using memory via assembly\n                /// @solidity memory-safe-assembly\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}\n"
    },
    "@openzeppelin/contracts/utils/introspection/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\n/**\n * @dev Implementation of the {IERC165} interface.\n *\n * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check\n * for the additional interface id that will be supported. For example:\n *\n * ```solidity\n * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {\n *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);\n * }\n * ```\n *\n * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.\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}\n"
    },
    "@openzeppelin/contracts/utils/introspection/IERC165.sol": {
      "content": "// SPDX-License-Identifier: MIT\n// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)\n\npragma solidity ^0.8.0;\n\n/**\n * @dev Interface of the ERC165 standard, as defined in the\n * https://eips.ethereum.org/EIPS/eip-165[EIP].\n *\n * Implementers can declare support of contract interfaces, which can then be\n * queried by others ({ERC165Checker}).\n *\n * For an implementation, see {ERC165}.\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}\n"
    }
  },
  "settings": {
    "optimizer": {
      "enabled": true,
      "runs": 200
    },
    "outputSelection": {
      "*": {
        "*": [
          "evm.bytecode",
          "evm.deployedBytecode",
          "devdoc",
          "userdoc",
          "metadata",
          "abi"
        ]
      }
    },
    "libraries": {}
  }
}