Token

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

import "erc721a/contracts/ERC721A.sol";
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/cryptography/MerkleProof.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";
// import "operator-filter-registry/src/DefaultOperatorFilterer.sol";


// $$\      $$\                     $$\       $$\
// $$$\    $$$ |                    $$ |      \__|
// $$$$\  $$$$ | $$$$$$\   $$$$$$$\ $$$$$$$\  $$\ $$$$$$$\   $$$$$$\
// $$\$$\$$ $$ | \____$$\ $$  _____|$$  __$$\ $$ |$$  __$$\  \____$$\
// $$ \$$$  $$ | $$$$$$$ |$$ /      $$ |  $$ |$$ |$$ |  $$ | $$$$$$$ |
// $$ |\$  /$$ |$$  __$$ |$$ |      $$ |  $$ |$$ |$$ |  $$ |$$  __$$ |
// $$ | \_/ $$ |\$$$$$$$ |\$$$$$$$\ $$ |  $$ |$$ |$$ |  $$ |\$$$$$$$ |
// \__|     \__| \_______| \_______|\__|  \__|\__|\__|  \__| \_______|


/**
 * @title Machina NFT contract
 * @author @Xirynx
 * @notice 2 Phase NFT mint. 10k max supply.
 */
contract MachinaNFT is ERC721A("Machina", "MACH"), Ownable {
    //============================================//
    //                Definitions                 //
    //============================================//

    using ECDSA for bytes;

    enum Phase {
        NONE,
        WHITELIST,
        PUBLIC
    }

    //============================================//
    //                  Errors                    //
    //============================================//

    error AddressNotManager();
    error AddressNotWhitelisted();
    error CallerNotOrigin();
    error IncorrectPhase();
    error InsufficientETH();
    error InvalidAddress();
    error InvalidBytes();
    error InvalidString();
    error MaxMintAmountExceeded();
    error MaxSupplyExceeded();

    //============================================//
    //                  Events                    //
    //============================================//

    event UpdatedBaseURI(address indexed owner, string newURI);
    event StartedWhitelistPhase(
        uint256 indexed blockNumber,
        bytes32 merkleRoot,
        uint256 mintPrice
    );
    event StartedPublicPhase(uint256 indexed blockNumber, uint256 mintPrice);
    event WithdrawnFunds(address indexed to, uint256 indexed amount);

    //============================================//
    //                 Constants                  //
    //============================================//

    uint256 public constant MAX_SUPPLY = 10_000;
    uint256 public constant MAX_PER_WALLET = 3;

    //============================================//
    //              State Variables               //
    //============================================//

    uint256 public mintPrice;
    bytes32 public merkleRoot;
    string internal baseURI;
    Phase public phase = Phase.NONE;
    mapping(address => bool) public managers;

    //============================================//
    //                 Modifiers                  //
    //============================================//

    /**
     * @notice Verifies that the caller is currently a manager
     * @dev Reverts if the caller is not a manager and not the contract owner
     */
    modifier onlyManager() {
        if (!managers[msg.sender] && msg.sender != owner())
            revert AddressNotManager();
        _;
    }

    //============================================//
    //              Admin Functions               //
    //============================================//

    /**
     * @notice Flips manager status of `wallet` between true and false
     * @dev Caller must be contract owner
     * @param wallet Address to set/unset as manager
     */
    function toggleManager(address wallet) external onlyOwner {
		if (address(0) == wallet) revert InvalidAddress();
        managers[wallet] = !managers[wallet];
    }

    /**
     * @notice Sets the base uri for token metadata.
     * @dev Requirements:
     *	Caller must be contract owner.
     *	`_newURI` must not be an empty string.
     * @param _newURI New base uri for token metadata.
     */
    function setBaseURI(string memory _newURI) external onlyOwner {
        if (bytes(_newURI).length == 0) revert InvalidString();
        baseURI = _newURI;
        emit UpdatedBaseURI(msg.sender, _newURI);
    }

    /**
     * @notice Starts the whitelist minting phase.
     * @dev Requirements:
     *	Caller must be contract owner.
     *	`_merkleRoot` must not be empty.
     *	emits { StartedWhitelistPhase }
     * @param _merkleRoot New root of merkle tree for whitelist mints.
     * @param _mintPrice New mint price in wei.
     */
    function startWhitelistPhase(
        bytes32 _merkleRoot,
        uint256 _mintPrice
    ) external onlyOwner {
        if (bytes32(0) == _merkleRoot) revert InvalidBytes();
        _setMintPrice(_mintPrice);
        _setMerkleRoot(_merkleRoot);
        phase = Phase.WHITELIST;
        emit StartedWhitelistPhase(block.number, _merkleRoot, _mintPrice);
    }

    /**
     * @notice Starts the public minting phase.
     * @dev Requirements:
     *	Caller must be contract owner.
     *	emits { StartedPublicPhase }
     * @param _mintPrice New mint price in wei.
     */
    function startPublicPhase(uint256 _mintPrice) external onlyOwner {
        _setMintPrice(_mintPrice);
        phase = Phase.PUBLIC;
        emit StartedPublicPhase(block.number, _mintPrice);
    }

    /**
     * @notice Stops sale entirely. No mints can be made by users other than contract owner.
     * @dev Requirements:
     *	Caller must be contract owner.
     */
    function stopSale() external onlyOwner {
        phase = Phase.NONE;
    }

    /**
     * @notice Withdraws entire ether balance in the contract to the wallet specified.
     * @dev Requirements:
     *	Caller must be contract owner.
     *	`to` must not be zero address.
     *	Contract balance should be greater than zero.
     *	emits { WithdrawnFunds }
     * @param to Address to send ether balance to.
     */
    function withdrawFunds(address to) public onlyOwner {
        if (address(0) == to) revert InvalidAddress();
        uint256 balance = address(this).balance;
        if (balance == 0) revert InsufficientETH();
        (bool callSuccess, ) = payable(to).call{value: balance}("");
        require(callSuccess, "Call failed");
        emit WithdrawnFunds(to, balance);
    }

    //============================================//
    //               Access Control               //
    //============================================//

    /**
     * @notice Verifies that an address forms part of the merkle tree with the current `merkleRoot`.
     * @param wallet Address to compute leaf node of merkle tree.
     * @param _merkleProof Bytes array proof to verify `wallet` is part of merkle tree.
     * @return bool True if `wallet` is part of the merkle tree, false otherwise.
     */
    function verifyWhitelist(
        address wallet,
        bytes32[] calldata _merkleProof
    ) public view returns (bool) {
        bytes32 leaf = keccak256(abi.encodePacked(wallet));
        return MerkleProof.verify(_merkleProof, merkleRoot, leaf);
    }

    //============================================//
    //              Helper Functions              //
    //============================================//

    /**
     * @notice Sets the mint price for all mints.
     * @param _mintPrice New mint price in wei.
     */
    function _setMintPrice(uint256 _mintPrice) internal {
        mintPrice = _mintPrice;
    }

    /**
     * @notice Sets the merkle tree root used to verify whitelist mints.
     * @param _merkleRoot New merkle tree root.
     */
    function _setMerkleRoot(bytes32 _merkleRoot) internal {
        merkleRoot = _merkleRoot;
    }

    //============================================//
    //                Minting Logic               //
    //============================================//

    /**
     * @notice Mints `amount` tokens to `to` address.
     * @dev Requirements:
     *	Caller must be contract owner.
     *	`amount` must be less than or equal to 30. This avoids excessive first-time transfer fees.
     *	Total supply must be less than or equal to `MAX_SUPPLY` after mint.
     * @param to Address that will receive the tokens.
     * @param amount Number of tokens to send to `to`.
     */
    function adminMint(address to, uint256 amount) external onlyOwner {
        if (amount + _totalMinted() > MAX_SUPPLY) revert MaxSupplyExceeded();
        if (amount > 30) revert MaxMintAmountExceeded();

        _mint(to, amount);
    }

    /**
     * @notice Mints `amount` tokens to caller's address.
     * @dev Requirements:
     *	Caller must be an externally owned account.
     *	`phase` must equal WHITELIST.
     *	Total minted must be less than or equal to `MAX_SUPPLY` after mint.
     *	Caller must not mint more tokens than `MAX_PER_WALLET` across all phases.
     *	Value sent in function call must exceed or equal `mintPrice` multiplied by `amount`.
     *	Caller must be whitelisted.
     * @param _merkleProof Proof showing caller's address is part of merkle tree specified by `merkleRoot`.
     * @param amount Amount of tokens to mint.
     */
    function whitelistMint(
        bytes32[] calldata _merkleProof,
        uint8 amount
    ) external payable {
        if (tx.origin != msg.sender) revert CallerNotOrigin();
        if (phase != Phase.WHITELIST) revert IncorrectPhase();
        if (_totalMinted() + amount > MAX_SUPPLY) revert MaxSupplyExceeded();
        if (_numberMinted(msg.sender) + amount > MAX_PER_WALLET) revert MaxMintAmountExceeded();
        if (msg.value < mintPrice * amount) revert InsufficientETH();
        if (!verifyWhitelist(msg.sender, _merkleProof)) revert AddressNotWhitelisted();

        _mint(msg.sender, amount);
    }

    /**
     * @notice Mints `amount` tokens to caller's address.
     * @dev Requirements:
     *	Caller must be an externally owned account.
     *	`phase` must equal PUBLIC.
     *	Total minted must be less than or equal to `MAX_SUPPLY` after mint.
     *	Caller must not mint more tokens than `MAX_PER_WALLET` across all phases.
     *	Value sent in function call must exceed or equal `mintPrice` multiplied by `amount`.
     * @param amount Amount of tokens to mint.
     */
    function publicMint(uint8 amount) external payable {
        if (tx.origin != msg.sender) revert CallerNotOrigin();
        if (phase != Phase.PUBLIC) revert IncorrectPhase();
        if (_totalMinted() + amount > MAX_SUPPLY) revert MaxSupplyExceeded();
        if (_numberMinted(msg.sender) + amount > MAX_PER_WALLET) revert MaxMintAmountExceeded();
        if (msg.value < mintPrice * amount) revert InsufficientETH();

        _mint(msg.sender, amount);
    }

    /**
     * @notice Burns `tokenA` and `tokenB` and mints 1 token to `minter` address.
     * @dev Requirements:
     *	Caller must be a manager.
     *	`tokenA` and `tokenB` must exist.
     * @param tokenA Token ID to burn.
     * @param tokenB Token ID to burn.
     * @param minter Address to send minted NFT to.
     */
    function burnMint(
        uint256 tokenA,
        uint256 tokenB,
        address minter
    ) external onlyManager {
        _burn(tokenA, false);
        _burn(tokenB, false);
        _mint(minter, 1);
    }

    //============================================//
    //              ERC721 Overrides              //
    //============================================//

    /**
     * @notice Overridden to return variable `baseURI` rather than constant string. Allows for flexibility to alter metadata in the future.
     * @return string the current value of `baseURI`.
     */
    function _baseURI() internal view override returns (string memory) {
        return baseURI;
    }
}

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

pragma solidity ^0.8.0;

import "../Strings.sol";

/**
 * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations.
 *
 * These functions can be used to verify that a message was signed by the holder
 * of the private keys of a given address.
 */
library ECDSA {
    enum RecoverError {
        NoError,
        InvalidSignature,
        InvalidSignatureLength,
        InvalidSignatureS,
        InvalidSignatureV // Deprecated in v4.8
    }

    function _throwError(RecoverError error) private pure {
        if (error == RecoverError.NoError) {
            return; // no error: do nothing
        } else if (error == RecoverError.InvalidSignature) {
            revert("ECDSA: invalid signature");
        } else if (error == RecoverError.InvalidSignatureLength) {
            revert("ECDSA: invalid signature length");
        } else if (error == RecoverError.InvalidSignatureS) {
            revert("ECDSA: invalid signature 's' value");
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            /// @solidity memory-safe-assembly
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature`. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     */
    function recover(bytes32 hash, bytes memory signature) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, signature);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately.
     *
     * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures]
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address, RecoverError) {
        bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff);
        uint8 v = uint8((uint256(vs) >> 255) + 27);
        return tryRecover(hash, v, r, s);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately.
     *
     * _Available since v4.2._
     */
    function recover(
        bytes32 hash,
        bytes32 r,
        bytes32 vs
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, r, vs);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Overload of {ECDSA-tryRecover} that receives the `v`,
     * `r` and `s` signature fields separately.
     *
     * _Available since v4.3._
     */
    function tryRecover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address, RecoverError) {
        // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature
        // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines
        // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most
        // signatures from current libraries generate a unique signature with an s-value in the lower half order.
        //
        // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value
        // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or
        // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept
        // these malleable signatures as well.
        if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) {
            return (address(0), RecoverError.InvalidSignatureS);
        }

        // If the signature is valid (and not malleable), return the signer address
        address signer = ecrecover(hash, v, r, s);
        if (signer == address(0)) {
            return (address(0), RecoverError.InvalidSignature);
        }

        return (signer, RecoverError.NoError);
    }

    /**
     * @dev Overload of {ECDSA-recover} that receives the `v`,
     * `r` and `s` signature fields separately.
     */
    function recover(
        bytes32 hash,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal pure returns (address) {
        (address recovered, RecoverError error) = tryRecover(hash, v, r, s);
        _throwError(error);
        return recovered;
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from a `hash`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes32 hash) internal pure returns (bytes32) {
        // 32 is the length in bytes of hash,
        // enforced by the type signature above
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n32", hash));
    }

    /**
     * @dev Returns an Ethereum Signed Message, created from `s`. This
     * produces hash corresponding to the one signed with the
     * https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`]
     * JSON-RPC method as part of EIP-191.
     *
     * See {recover}.
     */
    function toEthSignedMessageHash(bytes memory s) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19Ethereum Signed Message:\n", Strings.toString(s.length), s));
    }

    /**
     * @dev Returns an Ethereum Signed Typed Data, created from a
     * `domainSeparator` and a `structHash`. This produces hash corresponding
     * to the one signed with the
     * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`]
     * JSON-RPC method as part of EIP-712.
     *
     * See {recover}.
     */
    function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked("\x19\x01", domainSeparator, structHash));
    }
}

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

pragma solidity ^0.8.0;

/**
 * @dev These functions deal with verification of Merkle Tree proofs.
 *
 * The tree and the proofs can be generated using our
 * https://github.com/OpenZeppelin/merkle-tree[JavaScript library].
 * You will find a quickstart guide in the readme.
 *
 * WARNING: You should avoid using leaf values that are 64 bytes long prior to
 * hashing, or use a hash function other than keccak256 for hashing leaves.
 * This is because the concatenation of a sorted pair of internal nodes in
 * the merkle tree could be reinterpreted as a leaf value.
 * OpenZeppelin's JavaScript library generates merkle trees that are safe
 * against this attack out of the box.
 */
library MerkleProof {
    /**
     * @dev Returns true if a `leaf` can be proved to be a part of a Merkle tree
     * defined by `root`. For this, a `proof` must be provided, containing
     * sibling hashes on the branch from the leaf to the root of the tree. Each
     * pair of leaves and each pair of pre-images are assumed to be sorted.
     */
    function verify(
        bytes32[] memory proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProof(proof, leaf) == root;
    }

    /**
     * @dev Calldata version of {verify}
     *
     * _Available since v4.7._
     */
    function verifyCalldata(
        bytes32[] calldata proof,
        bytes32 root,
        bytes32 leaf
    ) internal pure returns (bool) {
        return processProofCalldata(proof, leaf) == root;
    }

    /**
     * @dev Returns the rebuilt hash obtained by traversing a Merkle tree up
     * from `leaf` using `proof`. A `proof` is valid if and only if the rebuilt
     * hash matches the root of the tree. When processing the proof, the pairs
     * of leafs & pre-images are assumed to be sorted.
     *
     * _Available since v4.4._
     */
    function processProof(bytes32[] memory proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Calldata version of {processProof}
     *
     * _Available since v4.7._
     */
    function processProofCalldata(bytes32[] calldata proof, bytes32 leaf) internal pure returns (bytes32) {
        bytes32 computedHash = leaf;
        for (uint256 i = 0; i < proof.length; i++) {
            computedHash = _hashPair(computedHash, proof[i]);
        }
        return computedHash;
    }

    /**
     * @dev Returns true if the `leaves` can be simultaneously proven to be a part of a merkle tree defined by
     * `root`, according to `proof` and `proofFlags` as described in {processMultiProof}.
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function multiProofVerify(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProof(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Calldata version of {multiProofVerify}
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function multiProofVerifyCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32 root,
        bytes32[] memory leaves
    ) internal pure returns (bool) {
        return processMultiProofCalldata(proof, proofFlags, leaves) == root;
    }

    /**
     * @dev Returns the root of a tree reconstructed from `leaves` and sibling nodes in `proof`. The reconstruction
     * proceeds by incrementally reconstructing all inner nodes by combining a leaf/inner node with either another
     * leaf/inner node or a proof sibling node, depending on whether each `proofFlags` item is true or false
     * respectively.
     *
     * CAUTION: Not all merkle trees admit multiproofs. To use multiproofs, it is sufficient to ensure that: 1) the tree
     * is complete (but not necessarily perfect), 2) the leaves to be proven are in the opposite order they are in the
     * tree (i.e., as seen from right to left starting at the deepest layer and continuing at the next layer).
     *
     * _Available since v4.7._
     */
    function processMultiProof(
        bytes32[] memory proof,
        bool[] memory proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](totalHashes);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

        if (totalHashes > 0) {
            return hashes[totalHashes - 1];
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    /**
     * @dev Calldata version of {processMultiProof}.
     *
     * CAUTION: Not all merkle trees admit multiproofs. See {processMultiProof} for details.
     *
     * _Available since v4.7._
     */
    function processMultiProofCalldata(
        bytes32[] calldata proof,
        bool[] calldata proofFlags,
        bytes32[] memory leaves
    ) internal pure returns (bytes32 merkleRoot) {
        // This function rebuild the root hash by traversing the tree up from the leaves. The root is rebuilt by
        // consuming and producing values on a queue. The queue starts with the `leaves` array, then goes onto the
        // `hashes` array. At the end of the process, the last hash in the `hashes` array should contain the root of
        // the merkle tree.
        uint256 leavesLen = leaves.length;
        uint256 totalHashes = proofFlags.length;

        // Check proof validity.
        require(leavesLen + proof.length - 1 == totalHashes, "MerkleProof: invalid multiproof");

        // The xxxPos values are "pointers" to the next value to consume in each array. All accesses are done using
        // `xxx[xxxPos++]`, which return the current value and increment the pointer, thus mimicking a queue's "pop".
        bytes32[] memory hashes = new bytes32[](totalHashes);
        uint256 leafPos = 0;
        uint256 hashPos = 0;
        uint256 proofPos = 0;
        // At each step, we compute the next hash using two values:
        // - a value from the "main queue". If not all leaves have been consumed, we get the next leaf, otherwise we
        //   get the next hash.
        // - depending on the flag, either another value for the "main queue" (merging branches) or an element from the
        //   `proof` array.
        for (uint256 i = 0; i < totalHashes; i++) {
            bytes32 a = leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++];
            bytes32 b = proofFlags[i] ? leafPos < leavesLen ? leaves[leafPos++] : hashes[hashPos++] : proof[proofPos++];
            hashes[i] = _hashPair(a, b);
        }

        if (totalHashes > 0) {
            return hashes[totalHashes - 1];
        } else if (leavesLen > 0) {
            return leaves[0];
        } else {
            return proof[0];
        }
    }

    function _hashPair(bytes32 a, bytes32 b) private pure returns (bytes32) {
        return a < b ? _efficientHash(a, b) : _efficientHash(b, a);
    }

    function _efficientHash(bytes32 a, bytes32 b) private pure returns (bytes32 value) {
        /// @solidity memory-safe-assembly
        assembly {
            mstore(0x00, a)
            mstore(0x20, b)
            value := keccak256(0x00, 0x40)
        }
    }
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

import './IERC721A.sol';

/**
 * @dev Interface of ERC721 token receiver.
 */
interface ERC721A__IERC721Receiver {
    function onERC721Received(
        address operator,
        address from,
        uint256 tokenId,
        bytes calldata data
    ) external returns (bytes4);
}

/**
 * @title ERC721A
 *
 * @dev Implementation of the [ERC721](https://eips.ethereum.org/EIPS/eip-721)
 * Non-Fungible Token Standard, including the Metadata extension.
 * Optimized for lower gas during batch mints.
 *
 * Token IDs are minted in sequential order (e.g. 0, 1, 2, 3, ...)
 * starting from `_startTokenId()`.
 *
 * Assumptions:
 *
 * - An owner cannot have more than 2**64 - 1 (max value of uint64) of supply.
 * - The maximum token ID cannot exceed 2**256 - 1 (max value of uint256).
 */
contract ERC721A is IERC721A {
    // Bypass for a `--via-ir` bug (https://github.com/chiru-labs/ERC721A/pull/364).
    struct TokenApprovalRef {
        address value;
    }

    // =============================================================
    //                           CONSTANTS
    // =============================================================

    // Mask of an entry in packed address data.
    uint256 private constant _BITMASK_ADDRESS_DATA_ENTRY = (1 << 64) - 1;

    // The bit position of `numberMinted` in packed address data.
    uint256 private constant _BITPOS_NUMBER_MINTED = 64;

    // The bit position of `numberBurned` in packed address data.
    uint256 private constant _BITPOS_NUMBER_BURNED = 128;

    // The bit position of `aux` in packed address data.
    uint256 private constant _BITPOS_AUX = 192;

    // Mask of all 256 bits in packed address data except the 64 bits for `aux`.
    uint256 private constant _BITMASK_AUX_COMPLEMENT = (1 << 192) - 1;

    // The bit position of `startTimestamp` in packed ownership.
    uint256 private constant _BITPOS_START_TIMESTAMP = 160;

    // The bit mask of the `burned` bit in packed ownership.
    uint256 private constant _BITMASK_BURNED = 1 << 224;

    // The bit position of the `nextInitialized` bit in packed ownership.
    uint256 private constant _BITPOS_NEXT_INITIALIZED = 225;

    // The bit mask of the `nextInitialized` bit in packed ownership.
    uint256 private constant _BITMASK_NEXT_INITIALIZED = 1 << 225;

    // The bit position of `extraData` in packed ownership.
    uint256 private constant _BITPOS_EXTRA_DATA = 232;

    // Mask of all 256 bits in a packed ownership except the 24 bits for `extraData`.
    uint256 private constant _BITMASK_EXTRA_DATA_COMPLEMENT = (1 << 232) - 1;

    // The mask of the lower 160 bits for addresses.
    uint256 private constant _BITMASK_ADDRESS = (1 << 160) - 1;

    // The maximum `quantity` that can be minted with {_mintERC2309}.
    // This limit is to prevent overflows on the address data entries.
    // For a limit of 5000, a total of 3.689e15 calls to {_mintERC2309}
    // is required to cause an overflow, which is unrealistic.
    uint256 private constant _MAX_MINT_ERC2309_QUANTITY_LIMIT = 5000;

    // The `Transfer` event signature is given by:
    // `keccak256(bytes("Transfer(address,address,uint256)"))`.
    bytes32 private constant _TRANSFER_EVENT_SIGNATURE =
        0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef;

    // =============================================================
    //                            STORAGE
    // =============================================================

    // The next token ID to be minted.
    uint256 private _currentIndex;

    // The number of tokens burned.
    uint256 private _burnCounter;

    // Token name
    string private _name;

    // Token symbol
    string private _symbol;

    // Mapping from token ID to ownership details
    // An empty struct value does not necessarily mean the token is unowned.
    // See {_packedOwnershipOf} implementation for details.
    //
    // Bits Layout:
    // - [0..159]   `addr`
    // - [160..223] `startTimestamp`
    // - [224]      `burned`
    // - [225]      `nextInitialized`
    // - [232..255] `extraData`
    mapping(uint256 => uint256) private _packedOwnerships;

    // Mapping owner address to address data.
    //
    // Bits Layout:
    // - [0..63]    `balance`
    // - [64..127]  `numberMinted`
    // - [128..191] `numberBurned`
    // - [192..255] `aux`
    mapping(address => uint256) private _packedAddressData;

    // Mapping from token ID to approved address.
    mapping(uint256 => TokenApprovalRef) private _tokenApprovals;

    // Mapping from owner to operator approvals
    mapping(address => mapping(address => bool)) private _operatorApprovals;

    // =============================================================
    //                          CONSTRUCTOR
    // =============================================================

    constructor(string memory name_, string memory symbol_) {
        _name = name_;
        _symbol = symbol_;
        _currentIndex = _startTokenId();
    }

    // =============================================================
    //                   TOKEN COUNTING OPERATIONS
    // =============================================================

    /**
     * @dev Returns the starting token ID.
     * To change the starting token ID, please override this function.
     */
    function _startTokenId() internal view virtual returns (uint256) {
        return 0;
    }

    /**
     * @dev Returns the next token ID to be minted.
     */
    function _nextTokenId() internal view virtual returns (uint256) {
        return _currentIndex;
    }

    /**
     * @dev Returns the total number of tokens in existence.
     * Burned tokens will reduce the count.
     * To get the total number of tokens minted, please see {_totalMinted}.
     */
    function totalSupply() public view virtual override returns (uint256) {
        // Counter underflow is impossible as _burnCounter cannot be incremented
        // more than `_currentIndex - _startTokenId()` times.
        unchecked {
            return _currentIndex - _burnCounter - _startTokenId();
        }
    }

    /**
     * @dev Returns the total amount of tokens minted in the contract.
     */
    function _totalMinted() internal view virtual returns (uint256) {
        // Counter underflow is impossible as `_currentIndex` does not decrement,
        // and it is initialized to `_startTokenId()`.
        unchecked {
            return _currentIndex - _startTokenId();
        }
    }

    /**
     * @dev Returns the total number of tokens burned.
     */
    function _totalBurned() internal view virtual returns (uint256) {
        return _burnCounter;
    }

    // =============================================================
    //                    ADDRESS DATA OPERATIONS
    // =============================================================

    /**
     * @dev Returns the number of tokens in `owner`'s account.
     */
    function balanceOf(address owner) public view virtual override returns (uint256) {
        if (owner == address(0)) revert BalanceQueryForZeroAddress();
        return _packedAddressData[owner] & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the number of tokens minted by `owner`.
     */
    function _numberMinted(address owner) internal view returns (uint256) {
        return (_packedAddressData[owner] >> _BITPOS_NUMBER_MINTED) & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the number of tokens burned by or on behalf of `owner`.
     */
    function _numberBurned(address owner) internal view returns (uint256) {
        return (_packedAddressData[owner] >> _BITPOS_NUMBER_BURNED) & _BITMASK_ADDRESS_DATA_ENTRY;
    }

    /**
     * Returns the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
     */
    function _getAux(address owner) internal view returns (uint64) {
        return uint64(_packedAddressData[owner] >> _BITPOS_AUX);
    }

    /**
     * Sets the auxiliary data for `owner`. (e.g. number of whitelist mint slots used).
     * If there are multiple variables, please pack them into a uint64.
     */
    function _setAux(address owner, uint64 aux) internal virtual {
        uint256 packed = _packedAddressData[owner];
        uint256 auxCasted;
        // Cast `aux` with assembly to avoid redundant masking.
        assembly {
            auxCasted := aux
        }
        packed = (packed & _BITMASK_AUX_COMPLEMENT) | (auxCasted << _BITPOS_AUX);
        _packedAddressData[owner] = packed;
    }

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        // The interface IDs are constants representing the first 4 bytes
        // of the XOR of all function selectors in the interface.
        // See: [ERC165](https://eips.ethereum.org/EIPS/eip-165)
        // (e.g. `bytes4(i.functionA.selector ^ i.functionB.selector ^ ...)`)
        return
            interfaceId == 0x01ffc9a7 || // ERC165 interface ID for ERC165.
            interfaceId == 0x80ac58cd || // ERC165 interface ID for ERC721.
            interfaceId == 0x5b5e139f; // ERC165 interface ID for ERC721Metadata.
    }

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

    /**
     * @dev Returns the token collection name.
     */
    function name() public view virtual override returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) public view virtual override returns (string memory) {
        if (!_exists(tokenId)) revert URIQueryForNonexistentToken();

        string memory baseURI = _baseURI();
        return bytes(baseURI).length != 0 ? string(abi.encodePacked(baseURI, _toString(tokenId))) : '';
    }

    /**
     * @dev Base URI for computing {tokenURI}. If set, the resulting URI for each
     * token will be the concatenation of the `baseURI` and the `tokenId`. Empty
     * by default, it can be overridden in child contracts.
     */
    function _baseURI() internal view virtual returns (string memory) {
        return '';
    }

    // =============================================================
    //                     OWNERSHIPS OPERATIONS
    // =============================================================

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) public view virtual override returns (address) {
        return address(uint160(_packedOwnershipOf(tokenId)));
    }

    /**
     * @dev Gas spent here starts off proportional to the maximum mint batch size.
     * It gradually moves to O(1) as tokens get transferred around over time.
     */
    function _ownershipOf(uint256 tokenId) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnershipOf(tokenId));
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct at `index`.
     */
    function _ownershipAt(uint256 index) internal view virtual returns (TokenOwnership memory) {
        return _unpackedOwnership(_packedOwnerships[index]);
    }

    /**
     * @dev Initializes the ownership slot minted at `index` for efficiency purposes.
     */
    function _initializeOwnershipAt(uint256 index) internal virtual {
        if (_packedOwnerships[index] == 0) {
            _packedOwnerships[index] = _packedOwnershipOf(index);
        }
    }

    /**
     * Returns the packed ownership data of `tokenId`.
     */
    function _packedOwnershipOf(uint256 tokenId) private view returns (uint256) {
        uint256 curr = tokenId;

        unchecked {
            if (_startTokenId() <= curr)
                if (curr < _currentIndex) {
                    uint256 packed = _packedOwnerships[curr];
                    // If not burned.
                    if (packed & _BITMASK_BURNED == 0) {
                        // Invariant:
                        // There will always be an initialized ownership slot
                        // (i.e. `ownership.addr != address(0) && ownership.burned == false`)
                        // before an unintialized ownership slot
                        // (i.e. `ownership.addr == address(0) && ownership.burned == false`)
                        // Hence, `curr` will not underflow.
                        //
                        // We can directly compare the packed value.
                        // If the address is zero, packed will be zero.
                        while (packed == 0) {
                            packed = _packedOwnerships[--curr];
                        }
                        return packed;
                    }
                }
        }
        revert OwnerQueryForNonexistentToken();
    }

    /**
     * @dev Returns the unpacked `TokenOwnership` struct from `packed`.
     */
    function _unpackedOwnership(uint256 packed) private pure returns (TokenOwnership memory ownership) {
        ownership.addr = address(uint160(packed));
        ownership.startTimestamp = uint64(packed >> _BITPOS_START_TIMESTAMP);
        ownership.burned = packed & _BITMASK_BURNED != 0;
        ownership.extraData = uint24(packed >> _BITPOS_EXTRA_DATA);
    }

    /**
     * @dev Packs ownership data into a single uint256.
     */
    function _packOwnershipData(address owner, uint256 flags) private view returns (uint256 result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // `owner | (block.timestamp << _BITPOS_START_TIMESTAMP) | flags`.
            result := or(owner, or(shl(_BITPOS_START_TIMESTAMP, timestamp()), flags))
        }
    }

    /**
     * @dev Returns the `nextInitialized` flag set if `quantity` equals 1.
     */
    function _nextInitializedFlag(uint256 quantity) private pure returns (uint256 result) {
        // For branchless setting of the `nextInitialized` flag.
        assembly {
            // `(quantity == 1) << _BITPOS_NEXT_INITIALIZED`.
            result := shl(_BITPOS_NEXT_INITIALIZED, eq(quantity, 1))
        }
    }

    // =============================================================
    //                      APPROVAL OPERATIONS
    // =============================================================

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the
     * zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) public payable virtual override {
        address owner = ownerOf(tokenId);

        if (_msgSenderERC721A() != owner)
            if (!isApprovedForAll(owner, _msgSenderERC721A())) {
                revert ApprovalCallerNotOwnerNorApproved();
            }

        _tokenApprovals[tokenId].value = to;
        emit Approval(owner, to, tokenId);
    }

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) public view virtual override returns (address) {
        if (!_exists(tokenId)) revert ApprovalQueryForNonexistentToken();

        return _tokenApprovals[tokenId].value;
    }

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom}
     * for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool approved) public virtual override {
        _operatorApprovals[_msgSenderERC721A()][operator] = approved;
        emit ApprovalForAll(_msgSenderERC721A(), operator, approved);
    }

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address owner, address operator) public view virtual override returns (bool) {
        return _operatorApprovals[owner][operator];
    }

    /**
     * @dev Returns whether `tokenId` exists.
     *
     * Tokens can be managed by their owner or approved accounts via {approve} or {setApprovalForAll}.
     *
     * Tokens start existing when they are minted. See {_mint}.
     */
    function _exists(uint256 tokenId) internal view virtual returns (bool) {
        return
            _startTokenId() <= tokenId &&
            tokenId < _currentIndex && // If within bounds,
            _packedOwnerships[tokenId] & _BITMASK_BURNED == 0; // and not burned.
    }

    /**
     * @dev Returns whether `msgSender` is equal to `approvedAddress` or `owner`.
     */
    function _isSenderApprovedOrOwner(
        address approvedAddress,
        address owner,
        address msgSender
    ) private pure returns (bool result) {
        assembly {
            // Mask `owner` to the lower 160 bits, in case the upper bits somehow aren't clean.
            owner := and(owner, _BITMASK_ADDRESS)
            // Mask `msgSender` to the lower 160 bits, in case the upper bits somehow aren't clean.
            msgSender := and(msgSender, _BITMASK_ADDRESS)
            // `msgSender == owner || msgSender == approvedAddress`.
            result := or(eq(msgSender, owner), eq(msgSender, approvedAddress))
        }
    }

    /**
     * @dev Returns the storage slot and value for the approved address of `tokenId`.
     */
    function _getApprovedSlotAndAddress(uint256 tokenId)
        private
        view
        returns (uint256 approvedAddressSlot, address approvedAddress)
    {
        TokenApprovalRef storage tokenApproval = _tokenApprovals[tokenId];
        // The following is equivalent to `approvedAddress = _tokenApprovals[tokenId].value`.
        assembly {
            approvedAddressSlot := tokenApproval.slot
            approvedAddress := sload(approvedAddressSlot)
        }
    }

    // =============================================================
    //                      TRANSFER OPERATIONS
    // =============================================================

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

        if (address(uint160(prevOwnershipPacked)) != from) revert TransferFromIncorrectOwner();

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        // The nested ifs save around 20+ gas over a compound boolean condition.
        if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
            if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();

        if (to == address(0)) revert TransferToZeroAddress();

        _beforeTokenTransfers(from, to, tokenId, 1);

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
        unchecked {
            // We can directly increment and decrement the balances.
            --_packedAddressData[from]; // Updates: `balance -= 1`.
            ++_packedAddressData[to]; // Updates: `balance += 1`.

            // Updates:
            // - `address` to the next owner.
            // - `startTimestamp` to the timestamp of transfering.
            // - `burned` to `false`.
            // - `nextInitialized` to `true`.
            _packedOwnerships[tokenId] = _packOwnershipData(
                to,
                _BITMASK_NEXT_INITIALIZED | _nextExtraData(from, to, prevOwnershipPacked)
            );

            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                // If the next slot's address is zero and not burned (i.e. packed value is zero).
                if (_packedOwnerships[nextTokenId] == 0) {
                    // If the next slot is within bounds.
                    if (nextTokenId != _currentIndex) {
                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

        emit Transfer(from, to, tokenId);
        _afterTokenTransfers(from, to, tokenId, 1);
    }

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) public payable virtual override {
        safeTransferFrom(from, to, tokenId, '');
    }

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) public payable virtual override {
        transferFrom(from, to, tokenId);
        if (to.code.length != 0)
            if (!_checkContractOnERC721Received(from, to, tokenId, _data)) {
                revert TransferToNonERC721ReceiverImplementer();
            }
    }

    /**
     * @dev Hook that is called before a set of serially-ordered token IDs
     * are about to be transferred. This includes minting.
     * And also called before burning one token.
     *
     * `startTokenId` - the first token ID to be transferred.
     * `quantity` - the amount to be transferred.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _beforeTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Hook that is called after a set of serially-ordered token IDs
     * have been transferred. This includes minting.
     * And also called after one token has been burned.
     *
     * `startTokenId` - the first token ID to be transferred.
     * `quantity` - the amount to be transferred.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` has been
     * transferred to `to`.
     * - When `from` is zero, `tokenId` has been minted for `to`.
     * - When `to` is zero, `tokenId` has been burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _afterTokenTransfers(
        address from,
        address to,
        uint256 startTokenId,
        uint256 quantity
    ) internal virtual {}

    /**
     * @dev Private function to invoke {IERC721Receiver-onERC721Received} on a target contract.
     *
     * `from` - Previous owner of the given token ID.
     * `to` - Target address that will receive the token.
     * `tokenId` - Token ID to be transferred.
     * `_data` - Optional data to send along with the call.
     *
     * Returns whether the call correctly returned the expected magic value.
     */
    function _checkContractOnERC721Received(
        address from,
        address to,
        uint256 tokenId,
        bytes memory _data
    ) private returns (bool) {
        try ERC721A__IERC721Receiver(to).onERC721Received(_msgSenderERC721A(), from, tokenId, _data) returns (
            bytes4 retval
        ) {
            return retval == ERC721A__IERC721Receiver(to).onERC721Received.selector;
        } catch (bytes memory reason) {
            if (reason.length == 0) {
                revert TransferToNonERC721ReceiverImplementer();
            } else {
                assembly {
                    revert(add(32, reason), mload(reason))
                }
            }
        }
    }

    // =============================================================
    //                        MINT OPERATIONS
    // =============================================================

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {Transfer} event for each mint.
     */
    function _mint(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = _currentIndex;
        if (quantity == 0) revert MintZeroQuantity();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are incredibly unrealistic.
        // `balance` and `numberMinted` have a maximum limit of 2**64.
        // `tokenId` has a maximum limit of 2**256.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            _packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            uint256 toMasked;
            uint256 end = startTokenId + quantity;

            // Use assembly to loop and emit the `Transfer` event for gas savings.
            // The duplicated `log4` removes an extra check and reduces stack juggling.
            // The assembly, together with the surrounding Solidity code, have been
            // delicately arranged to nudge the compiler into producing optimized opcodes.
            assembly {
                // Mask `to` to the lower 160 bits, in case the upper bits somehow aren't clean.
                toMasked := and(to, _BITMASK_ADDRESS)
                // Emit the `Transfer` event.
                log4(
                    0, // Start of data (0, since no data).
                    0, // End of data (0, since no data).
                    _TRANSFER_EVENT_SIGNATURE, // Signature.
                    0, // `address(0)`.
                    toMasked, // `to`.
                    startTokenId // `tokenId`.
                )

                // The `iszero(eq(,))` check ensures that large values of `quantity`
                // that overflows uint256 will make the loop run out of gas.
                // The compiler will optimize the `iszero` away for performance.
                for {
                    let tokenId := add(startTokenId, 1)
                } iszero(eq(tokenId, end)) {
                    tokenId := add(tokenId, 1)
                } {
                    // Emit the `Transfer` event. Similar to above.
                    log4(0, 0, _TRANSFER_EVENT_SIGNATURE, 0, toMasked, tokenId)
                }
            }
            if (toMasked == 0) revert MintToZeroAddress();

            _currentIndex = end;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Mints `quantity` tokens and transfers them to `to`.
     *
     * This function is intended for efficient minting only during contract creation.
     *
     * It emits only one {ConsecutiveTransfer} as defined in
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309),
     * instead of a sequence of {Transfer} event(s).
     *
     * Calling this function outside of contract creation WILL make your contract
     * non-compliant with the ERC721 standard.
     * For full ERC721 compliance, substituting ERC721 {Transfer} event(s) with the ERC2309
     * {ConsecutiveTransfer} event is only permissible during contract creation.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     * - `quantity` must be greater than 0.
     *
     * Emits a {ConsecutiveTransfer} event.
     */
    function _mintERC2309(address to, uint256 quantity) internal virtual {
        uint256 startTokenId = _currentIndex;
        if (to == address(0)) revert MintToZeroAddress();
        if (quantity == 0) revert MintZeroQuantity();
        if (quantity > _MAX_MINT_ERC2309_QUANTITY_LIMIT) revert MintERC2309QuantityExceedsLimit();

        _beforeTokenTransfers(address(0), to, startTokenId, quantity);

        // Overflows are unrealistic due to the above check for `quantity` to be below the limit.
        unchecked {
            // Updates:
            // - `balance += quantity`.
            // - `numberMinted += quantity`.
            //
            // We can directly add to the `balance` and `numberMinted`.
            _packedAddressData[to] += quantity * ((1 << _BITPOS_NUMBER_MINTED) | 1);

            // Updates:
            // - `address` to the owner.
            // - `startTimestamp` to the timestamp of minting.
            // - `burned` to `false`.
            // - `nextInitialized` to `quantity == 1`.
            _packedOwnerships[startTokenId] = _packOwnershipData(
                to,
                _nextInitializedFlag(quantity) | _nextExtraData(address(0), to, 0)
            );

            emit ConsecutiveTransfer(startTokenId, startTokenId + quantity - 1, address(0), to);

            _currentIndex = startTokenId + quantity;
        }
        _afterTokenTransfers(address(0), to, startTokenId, quantity);
    }

    /**
     * @dev Safely mints `quantity` tokens and transfers them to `to`.
     *
     * Requirements:
     *
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called for each safe transfer.
     * - `quantity` must be greater than 0.
     *
     * See {_mint}.
     *
     * Emits a {Transfer} event for each mint.
     */
    function _safeMint(
        address to,
        uint256 quantity,
        bytes memory _data
    ) internal virtual {
        _mint(to, quantity);

        unchecked {
            if (to.code.length != 0) {
                uint256 end = _currentIndex;
                uint256 index = end - quantity;
                do {
                    if (!_checkContractOnERC721Received(address(0), to, index++, _data)) {
                        revert TransferToNonERC721ReceiverImplementer();
                    }
                } while (index < end);
                // Reentrancy protection.
                if (_currentIndex != end) revert();
            }
        }
    }

    /**
     * @dev Equivalent to `_safeMint(to, quantity, '')`.
     */
    function _safeMint(address to, uint256 quantity) internal virtual {
        _safeMint(to, quantity, '');
    }

    // =============================================================
    //                        BURN OPERATIONS
    // =============================================================

    /**
     * @dev Equivalent to `_burn(tokenId, false)`.
     */
    function _burn(uint256 tokenId) internal virtual {
        _burn(tokenId, false);
    }

    /**
     * @dev Destroys `tokenId`.
     * The approval is cleared when the token is burned.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     *
     * Emits a {Transfer} event.
     */
    function _burn(uint256 tokenId, bool approvalCheck) internal virtual {
        uint256 prevOwnershipPacked = _packedOwnershipOf(tokenId);

        address from = address(uint160(prevOwnershipPacked));

        (uint256 approvedAddressSlot, address approvedAddress) = _getApprovedSlotAndAddress(tokenId);

        if (approvalCheck) {
            // The nested ifs save around 20+ gas over a compound boolean condition.
            if (!_isSenderApprovedOrOwner(approvedAddress, from, _msgSenderERC721A()))
                if (!isApprovedForAll(from, _msgSenderERC721A())) revert TransferCallerNotOwnerNorApproved();
        }

        _beforeTokenTransfers(from, address(0), tokenId, 1);

        // Clear approvals from the previous owner.
        assembly {
            if approvedAddress {
                // This is equivalent to `delete _tokenApprovals[tokenId]`.
                sstore(approvedAddressSlot, 0)
            }
        }

        // Underflow of the sender's balance is impossible because we check for
        // ownership above and the recipient's balance can't realistically overflow.
        // Counter overflow is incredibly unrealistic as `tokenId` would have to be 2**256.
        unchecked {
            // Updates:
            // - `balance -= 1`.
            // - `numberBurned += 1`.
            //
            // We can directly decrement the balance, and increment the number burned.
            // This is equivalent to `packed -= 1; packed += 1 << _BITPOS_NUMBER_BURNED;`.
            _packedAddressData[from] += (1 << _BITPOS_NUMBER_BURNED) - 1;

            // Updates:
            // - `address` to the last owner.
            // - `startTimestamp` to the timestamp of burning.
            // - `burned` to `true`.
            // - `nextInitialized` to `true`.
            _packedOwnerships[tokenId] = _packOwnershipData(
                from,
                (_BITMASK_BURNED | _BITMASK_NEXT_INITIALIZED) | _nextExtraData(from, address(0), prevOwnershipPacked)
            );

            // If the next slot may not have been initialized (i.e. `nextInitialized == false`) .
            if (prevOwnershipPacked & _BITMASK_NEXT_INITIALIZED == 0) {
                uint256 nextTokenId = tokenId + 1;
                // If the next slot's address is zero and not burned (i.e. packed value is zero).
                if (_packedOwnerships[nextTokenId] == 0) {
                    // If the next slot is within bounds.
                    if (nextTokenId != _currentIndex) {
                        // Initialize the next slot to maintain correctness for `ownerOf(tokenId + 1)`.
                        _packedOwnerships[nextTokenId] = prevOwnershipPacked;
                    }
                }
            }
        }

        emit Transfer(from, address(0), tokenId);
        _afterTokenTransfers(from, address(0), tokenId, 1);

        // Overflow not possible, as _burnCounter cannot be exceed _currentIndex times.
        unchecked {
            _burnCounter++;
        }
    }

    // =============================================================
    //                     EXTRA DATA OPERATIONS
    // =============================================================

    /**
     * @dev Directly sets the extra data for the ownership data `index`.
     */
    function _setExtraDataAt(uint256 index, uint24 extraData) internal virtual {
        uint256 packed = _packedOwnerships[index];
        if (packed == 0) revert OwnershipNotInitializedForExtraData();
        uint256 extraDataCasted;
        // Cast `extraData` with assembly to avoid redundant masking.
        assembly {
            extraDataCasted := extraData
        }
        packed = (packed & _BITMASK_EXTRA_DATA_COMPLEMENT) | (extraDataCasted << _BITPOS_EXTRA_DATA);
        _packedOwnerships[index] = packed;
    }

    /**
     * @dev Called during each token transfer to set the 24bit `extraData` field.
     * Intended to be overridden by the cosumer contract.
     *
     * `previousExtraData` - the value of `extraData` before transfer.
     *
     * Calling conditions:
     *
     * - When `from` and `to` are both non-zero, `from`'s `tokenId` will be
     * transferred to `to`.
     * - When `from` is zero, `tokenId` will be minted for `to`.
     * - When `to` is zero, `tokenId` will be burned by `from`.
     * - `from` and `to` are never both zero.
     */
    function _extraData(
        address from,
        address to,
        uint24 previousExtraData
    ) internal view virtual returns (uint24) {}

    /**
     * @dev Returns the next extra data for the packed ownership data.
     * The returned result is shifted into position.
     */
    function _nextExtraData(
        address from,
        address to,
        uint256 prevOwnershipPacked
    ) private view returns (uint256) {
        uint24 extraData = uint24(prevOwnershipPacked >> _BITPOS_EXTRA_DATA);
        return uint256(_extraData(from, to, extraData)) << _BITPOS_EXTRA_DATA;
    }

    // =============================================================
    //                       OTHER OPERATIONS
    // =============================================================

    /**
     * @dev Returns the message sender (defaults to `msg.sender`).
     *
     * If you are writing GSN compatible contracts, you need to override this function.
     */
    function _msgSenderERC721A() internal view virtual returns (address) {
        return msg.sender;
    }

    /**
     * @dev Converts a uint256 to its ASCII string decimal representation.
     */
    function _toString(uint256 value) internal pure virtual returns (string memory str) {
        assembly {
            // The maximum value of a uint256 contains 78 digits (1 byte per digit), but
            // we allocate 0xa0 bytes to keep the free memory pointer 32-byte word aligned.
            // We will need 1 word for the trailing zeros padding, 1 word for the length,
            // and 3 words for a maximum of 78 digits. Total: 5 * 0x20 = 0xa0.
            let m := add(mload(0x40), 0xa0)
            // Update the free memory pointer to allocate.
            mstore(0x40, m)
            // Assign the `str` to the end.
            str := sub(m, 0x20)
            // Zeroize the slot after the string.
            mstore(str, 0)

            // Cache the end of the memory to calculate the length later.
            let end := str

            // We write the string from rightmost digit to leftmost digit.
            // The following is essentially a do-while loop that also handles the zero case.
            // prettier-ignore
            for { let temp := value } 1 {} {
                str := sub(str, 1)
                // Write the character to the pointer.
                // The ASCII index of the '0' character is 48.
                mstore8(str, add(48, mod(temp, 10)))
                // Keep dividing `temp` until zero.
                temp := div(temp, 10)
                // prettier-ignore
                if iszero(temp) { break }
            }

            let length := sub(end, str)
            // Move the pointer 32 bytes leftwards to make room for the length.
            str := sub(str, 0x20)
            // Store the length.
            mstore(str, length)
        }
    }
}

// SPDX-License-Identifier: MIT
// ERC721A Contracts v4.2.3
// Creator: Chiru Labs

pragma solidity ^0.8.4;

/**
 * @dev Interface of ERC721A.
 */
interface IERC721A {
    /**
     * The caller must own the token or be an approved operator.
     */
    error ApprovalCallerNotOwnerNorApproved();

    /**
     * The token does not exist.
     */
    error ApprovalQueryForNonexistentToken();

    /**
     * Cannot query the balance for the zero address.
     */
    error BalanceQueryForZeroAddress();

    /**
     * Cannot mint to the zero address.
     */
    error MintToZeroAddress();

    /**
     * The quantity of tokens minted must be more than zero.
     */
    error MintZeroQuantity();

    /**
     * The token does not exist.
     */
    error OwnerQueryForNonexistentToken();

    /**
     * The caller must own the token or be an approved operator.
     */
    error TransferCallerNotOwnerNorApproved();

    /**
     * The token must be owned by `from`.
     */
    error TransferFromIncorrectOwner();

    /**
     * Cannot safely transfer to a contract that does not implement the
     * ERC721Receiver interface.
     */
    error TransferToNonERC721ReceiverImplementer();

    /**
     * Cannot transfer to the zero address.
     */
    error TransferToZeroAddress();

    /**
     * The token does not exist.
     */
    error URIQueryForNonexistentToken();

    /**
     * The `quantity` minted with ERC2309 exceeds the safety limit.
     */
    error MintERC2309QuantityExceedsLimit();

    /**
     * The `extraData` cannot be set on an unintialized ownership slot.
     */
    error OwnershipNotInitializedForExtraData();

    // =============================================================
    //                            STRUCTS
    // =============================================================

    struct TokenOwnership {
        // The address of the owner.
        address addr;
        // Stores the start time of ownership with minimal overhead for tokenomics.
        uint64 startTimestamp;
        // Whether the token has been burned.
        bool burned;
        // Arbitrary data similar to `startTimestamp` that can be set via {_extraData}.
        uint24 extraData;
    }

    // =============================================================
    //                         TOKEN COUNTERS
    // =============================================================

    /**
     * @dev Returns the total number of tokens in existence.
     * Burned tokens will reduce the count.
     * To get the total number of tokens minted, please see {_totalMinted}.
     */
    function totalSupply() external view returns (uint256);

    // =============================================================
    //                            IERC165
    // =============================================================

    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * [EIP section](https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified)
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);

    // =============================================================
    //                            IERC721
    // =============================================================

    /**
     * @dev Emitted when `tokenId` token is transferred from `from` to `to`.
     */
    event Transfer(address indexed from, address indexed to, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables `approved` to manage the `tokenId` token.
     */
    event Approval(address indexed owner, address indexed approved, uint256 indexed tokenId);

    /**
     * @dev Emitted when `owner` enables or disables
     * (`approved`) `operator` to manage all of its assets.
     */
    event ApprovalForAll(address indexed owner, address indexed operator, bool approved);

    /**
     * @dev Returns the number of tokens in `owner`'s account.
     */
    function balanceOf(address owner) external view returns (uint256 balance);

    /**
     * @dev Returns the owner of the `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function ownerOf(uint256 tokenId) external view returns (address owner);

    /**
     * @dev Safely transfers `tokenId` token from `from` to `to`,
     * checking first that contract recipients are aware of the ERC721 protocol
     * to prevent tokens from being forever locked.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must exist and be owned by `from`.
     * - If the caller is not `from`, it must be have been allowed to move
     * this token by either {approve} or {setApprovalForAll}.
     * - If `to` refers to a smart contract, it must implement
     * {IERC721Receiver-onERC721Received}, which is called upon a safe transfer.
     *
     * Emits a {Transfer} event.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId,
        bytes calldata data
    ) external payable;

    /**
     * @dev Equivalent to `safeTransferFrom(from, to, tokenId, '')`.
     */
    function safeTransferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external payable;

    /**
     * @dev Transfers `tokenId` from `from` to `to`.
     *
     * WARNING: Usage of this method is discouraged, use {safeTransferFrom}
     * whenever possible.
     *
     * Requirements:
     *
     * - `from` cannot be the zero address.
     * - `to` cannot be the zero address.
     * - `tokenId` token must be owned by `from`.
     * - If the caller is not `from`, it must be approved to move this token
     * by either {approve} or {setApprovalForAll}.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 tokenId
    ) external payable;

    /**
     * @dev Gives permission to `to` to transfer `tokenId` token to another account.
     * The approval is cleared when the token is transferred.
     *
     * Only a single account can be approved at a time, so approving the
     * zero address clears previous approvals.
     *
     * Requirements:
     *
     * - The caller must own the token or be an approved operator.
     * - `tokenId` must exist.
     *
     * Emits an {Approval} event.
     */
    function approve(address to, uint256 tokenId) external payable;

    /**
     * @dev Approve or remove `operator` as an operator for the caller.
     * Operators can call {transferFrom} or {safeTransferFrom}
     * for any token owned by the caller.
     *
     * Requirements:
     *
     * - The `operator` cannot be the caller.
     *
     * Emits an {ApprovalForAll} event.
     */
    function setApprovalForAll(address operator, bool _approved) external;

    /**
     * @dev Returns the account approved for `tokenId` token.
     *
     * Requirements:
     *
     * - `tokenId` must exist.
     */
    function getApproved(uint256 tokenId) external view returns (address operator);

    /**
     * @dev Returns if the `operator` is allowed to manage all of the assets of `owner`.
     *
     * See {setApprovalForAll}.
     */
    function isApprovedForAll(address owner, address operator) external view returns (bool);

    // =============================================================
    //                        IERC721Metadata
    // =============================================================

    /**
     * @dev Returns the token collection name.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the token collection symbol.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the Uniform Resource Identifier (URI) for `tokenId` token.
     */
    function tokenURI(uint256 tokenId) external view returns (string memory);

    // =============================================================
    //                           IERC2309
    // =============================================================

    /**
     * @dev Emitted when tokens in `fromTokenId` to `toTokenId`
     * (inclusive) is transferred from `from` to `to`, as defined in the
     * [ERC2309](https://eips.ethereum.org/EIPS/eip-2309) standard.
     *
     * See {_mintERC2309} for more details.
     */
    event ConsecutiveTransfer(uint256 indexed fromTokenId, uint256 toTokenId, address indexed from, address indexed to);
}

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

pragma solidity ^0.8.0;

import "./math/Math.sol";

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

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

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

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

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

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

pragma solidity ^0.8.0;

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

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

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

pragma solidity ^0.8.0;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"name":"AddressNotManager","type":"error"},{"inputs":[],"name":"AddressNotWhitelisted","type":"error"},{"inputs":[],"name":"ApprovalCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"ApprovalQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"BalanceQueryForZeroAddress","type":"error"},{"inputs":[],"name":"CallerNotOrigin","type":"error"},{"inputs":[],"name":"IncorrectPhase","type":"error"},{"inputs":[],"name":"InsufficientETH","type":"error"},{"inputs":[],"name":"InvalidAddress","type":"error"},{"inputs":[],"name":"InvalidBytes","type":"error"},{"inputs":[],"name":"InvalidString","type":"error"},{"inputs":[],"name":"MaxMintAmountExceeded","type":"error"},{"inputs":[],"name":"MaxSupplyExceeded","type":"error"},{"inputs":[],"name":"MintERC2309QuantityExceedsLimit","type":"error"},{"inputs":[],"name":"MintToZeroAddress","type":"error"},{"inputs":[],"name":"MintZeroQuantity","type":"error"},{"inputs":[],"name":"OwnerQueryForNonexistentToken","type":"error"},{"inputs":[],"name":"OwnershipNotInitializedForExtraData","type":"error"},{"inputs":[],"name":"TransferCallerNotOwnerNorApproved","type":"error"},{"inputs":[],"name":"TransferFromIncorrectOwner","type":"error"},{"inputs":[],"name":"TransferToNonERC721ReceiverImplementer","type":"error"},{"inputs":[],"name":"TransferToZeroAddress","type":"error"},{"inputs":[],"name":"URIQueryForNonexistentToken","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"approved","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"operator","type":"address"},{"indexed":false,"internalType":"bool","name":"approved","type":"bool"}],"name":"ApprovalForAll","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"fromTokenId","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"toTokenId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"}],"name":"ConsecutiveTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"blockNumber","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"mintPrice","type":"uint256"}],"name":"StartedPublicPhase","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"blockNumber","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"merkleRoot","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"mintPrice","type":"uint256"}],"name":"StartedWhitelistPhase","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"string","name":"newURI","type":"string"}],"name":"UpdatedBaseURI","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"WithdrawnFunds","type":"event"},{"inputs":[],"name":"MAX_PER_WALLET","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MAX_SUPPLY","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"adminMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"approve","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenA","type":"uint256"},{"internalType":"uint256","name":"tokenB","type":"uint256"},{"internalType":"address","name":"minter","type":"address"}],"name":"burnMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"getApproved","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"operator","type":"address"}],"name":"isApprovedForAll","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"managers","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"merkleRoot","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mintPrice","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"ownerOf","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"phase","outputs":[{"internalType":"enum MachinaNFT.Phase","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint8","name":"amount","type":"uint8"}],"name":"publicMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"safeTransferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"operator","type":"address"},{"internalType":"bool","name":"approved","type":"bool"}],"name":"setApprovalForAll","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_newURI","type":"string"}],"name":"setBaseURI","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_mintPrice","type":"uint256"}],"name":"startPublicPhase","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_merkleRoot","type":"bytes32"},{"internalType":"uint256","name":"_mintPrice","type":"uint256"}],"name":"startWhitelistPhase","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"stopSale","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"wallet","type":"address"}],"name":"toggleManager","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"tokenURI","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"tokenId","type":"uint256"}],"name":"transferFrom","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"wallet","type":"address"},{"internalType":"bytes32[]","name":"_merkleProof","type":"bytes32[]"}],"name":"verifyWhitelist","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32[]","name":"_merkleProof","type":"bytes32[]"},{"internalType":"uint8","name":"amount","type":"uint8"}],"name":"whitelistMint","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"}],"name":"withdrawFunds","outputs":[],"stateMutability":"nonpayable","type":"function"}]

60806040526000600c60006101000a81548160ff021916908360028111156200002d576200002c620001e1565b5b02179055503480156200003f57600080fd5b506040518060400160405280600781526020017f4d616368696e61000000000000000000000000000000000000000000000000008152506040518060400160405280600481526020017f4d414348000000000000000000000000000000000000000000000000000000008152508160029081620000bd91906200048a565b508060039081620000cf91906200048a565b50620000e06200010e60201b60201c565b600081905550505062000108620000fc6200011360201b60201c565b6200011b60201b60201c565b62000571565b600090565b600033905090565b6000600860009054906101000a900473ffffffffffffffffffffffffffffffffffffffff16905081600860006101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff1602179055508173ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff167f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e060405160405180910390a35050565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052602160045260246000fd5b600081519050919050565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052604160045260246000fd5b7f4e487b7100000000000000000000000000000000000000000000000000000000600052602260045260246000fd5b600060028204905060018216806200029257607f821691505b602082108103620002a857620002a76200024a565b5b50919050565b60008190508160005260206000209050919050565b60006020601f8301049050919050565b600082821b905092915050565b600060088302620003127fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff82620002d3565b6200031e8683620002d3565b95508019841693508086168417925050509392505050565b6000819050919050565b6000819050919050565b60006200036b620003656200035f8462000336565b62000340565b62000336565b9050919050565b6000819050919050565b62000387836200034a565b6200039f620003968262000372565b848454620002e0565b825550505050565b600090565b620003b6620003a7565b620003c38184846200037c565b505050565b5b81811015620003eb57620003df600082620003ac565b600181019050620003c9565b5050565b601f8211156200043a576200040481620002ae565b6200040f84620002c3565b810160208510156200041f578190505b620004376200042e85620002c3565b830182620003c8565b50505b505050565b600082821c905092915050565b60006200045f600019846008026200043f565b1980831691505092915050565b60006200047a83836200044c565b9150826002028217905092915050565b620004958262000210565b67ffffffffffffffff811115620004b157620004b06200021b565b5b620004bd825462000279565b620004ca828285620003ef565b600060209050601f831160018114620005025760008415620004ed578287015190505b620004f985826200046c565b86555062000569565b601f1984166200051286620002ae565b60005b828110156200053c5784890151825560018201915060208501945060208101905062000515565b868310156200055c578489015162000558601f8916826200044c565b8355505b6001600288020188555050505b505050505050565b6139e980620005816000396000f3fe6080604052600436106101f95760003560e01c80636817c76c1161010d578063b1c9fe6e116100a0578063e36b0b371161006f578063e36b0b37146106cd578063e58306f9146106e4578063e985e9c51461070d578063f2fde38b1461074a578063fdff9b4d14610773576101f9565b8063b1c9fe6e14610620578063b88d4fde1461064b578063bbf068af14610667578063c87b56dd14610690576101f9565b8063858e83b5116100dc578063858e83b5146105855780638da5cb5b146105a157806395d89b41146105cc578063a22cb465146105f7576101f9565b80636817c76c146104dd57806368742da61461050857806370a0823114610531578063715018a61461056e576101f9565b806323b872dd11610190578063424d78a21161015f578063424d78a21461040957806342842e0e1461043257806355f804b31461044e5780635ecb7069146104775780636352211e146104a0576101f9565b806323b872dd1461036e5780632eb4a7ab1461038a57806332cb6b0c146103b5578063399c0691146103e0576101f9565b8063095ea7b3116101cc578063095ea7b3146102bf5780630f2cdd6c146102db57806315c6cd8f1461030657806318160ddd14610343576101f9565b806301ffc9a7146101fe57806302d179c81461023b57806306fdde0314610257578063081812fc14610282575b600080fd5b34801561020a57600080fd5b50610225600480360381019061022091906128f7565b6107b0565b604051610232919061293f565b60405180910390f35b610255600480360381019061025091906129f8565b610842565b005b34801561026357600080fd5b5061026c610a53565b6040516102799190612ae8565b60405180910390f35b34801561028e57600080fd5b506102a960048036038101906102a49190612b40565b610ae5565b6040516102b69190612bae565b60405180910390f35b6102d960048036038101906102d49190612bf5565b610b64565b005b3480156102e757600080fd5b506102f0610ca8565b6040516102fd9190612c44565b60405180910390f35b34801561031257600080fd5b5061032d60048036038101906103289190612c5f565b610cad565b60405161033a919061293f565b60405180910390f35b34801561034f57600080fd5b50610358610d31565b6040516103659190612c44565b60405180910390f35b61038860048036038101906103839190612cbf565b610d48565b005b34801561039657600080fd5b5061039f61106a565b6040516103ac9190612d2b565b60405180910390f35b3480156103c157600080fd5b506103ca611070565b6040516103d79190612c44565b60405180910390f35b3480156103ec57600080fd5b5061040760048036038101906104029190612b40565b611076565b005b34801561041557600080fd5b50610430600480360381019061042b9190612d46565b6110ed565b005b61044c60048036038101906104479190612cbf565b611202565b005b34801561045a57600080fd5b5061047560048036038101906104709190612ea3565b611222565b005b34801561048357600080fd5b5061049e60048036038101906104999190612eec565b6112c6565b005b3480156104ac57600080fd5b506104c760048036038101906104c29190612b40565b6113b0565b6040516104d49190612bae565b60405180910390f35b3480156104e957600080fd5b506104f26113c2565b6040516104ff9190612c44565b60405180910390f35b34801561051457600080fd5b5061052f600480360381019061052a9190612d46565b6113c8565b005b34801561053d57600080fd5b5061055860048036038101906105539190612d46565b61156a565b6040516105659190612c44565b60405180910390f35b34801561057a57600080fd5b50610583611622565b005b61059f600480360381019061059a9190612f3f565b611636565b005b3480156105ad57600080fd5b506105b6611803565b6040516105c39190612bae565b60405180910390f35b3480156105d857600080fd5b506105e161182d565b6040516105ee9190612ae8565b60405180910390f35b34801561060357600080fd5b5061061e60048036038101906106199190612f98565b6118bf565b005b34801561062c57600080fd5b506106356119ca565b604051610642919061304f565b60405180910390f35b6106656004803603810190610660919061310b565b6119dd565b005b34801561067357600080fd5b5061068e600480360381019061068991906131ba565b611a50565b005b34801561069c57600080fd5b506106b760048036038101906106b29190612b40565b611b0f565b6040516106c49190612ae8565b60405180910390f35b3480156106d957600080fd5b506106e2611bad565b005b3480156106f057600080fd5b5061070b60048036038101906107069190612bf5565b611be2565b005b34801561071957600080fd5b50610734600480360381019061072f91906131fa565b611c81565b604051610741919061293f565b60405180910390f35b34801561075657600080fd5b50610771600480360381019061076c9190612d46565b611d15565b005b34801561077f57600080fd5b5061079a60048036038101906107959190612d46565b611d98565b6040516107a7919061293f565b60405180910390f35b60006301ffc9a760e01b827bffffffffffffffffffffffffffffffffffffffffffffffffffffffff1916148061080b57506380ac58cd60e01b827bffffffffffffffffffffffffffffffffffffffffffffffffffffffff1916145b8061083b5750635b5e139f60e01b827bffffffffffffffffffffffffffffffffffffffffffffffffffffffff1916145b9050919050565b3373ffffffffffffffffffffffffffffffffffffffff163273ffffffffffffffffffffffffffffffffffffffff16146108a7576040517fe02c6ccf00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b600160028111156108bb576108ba612fd8565b5b600c60009054906101000a900460ff1660028111156108dd576108dc612fd8565b5b14610914576040517f373f226c00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b6127108160ff16610923611db8565b61092d9190613269565b1115610965576040517f8a164f6300000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b60038160ff1661097433611dcb565b61097e9190613269565b11156109b6576040517f3fca4c4d00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b8060ff166009546109c7919061329d565b341015610a00576040517f6a12f10400000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b610a0b338484610cad565b610a41576040517fad7acb4700000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b610a4e338260ff16611e22565b505050565b606060028054610a629061330e565b80601f0160208091040260200160405190810160405280929190818152602001828054610a8e9061330e565b8015610adb5780601f10610ab057610100808354040283529160200191610adb565b820191906000526020600020905b815481529060010190602001808311610abe57829003601f168201915b5050505050905090565b6000610af082611fdd565b610b26576040517fcf4700e400000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b6006600083815260200190815260200160002060000160009054906101000a900473ffffffffffffffffffffffffffffffffffffffff169050919050565b6000610b6f826113b0565b90508073ffffffffffffffffffffffffffffffffffffffff16610b9061203c565b73ffffffffffffffffffffffffffffffffffffffff1614610bf357610bbc81610bb761203c565b611c81565b610bf2576040517fcfb3b94200000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b5b826006600084815260200190815260200160002060000160006101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff160217905550818373ffffffffffffffffffffffffffffffffffffffff168273ffffffffffffffffffffffffffffffffffffffff167f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b92560405160405180910390a4505050565b600381565b60008084604051602001610cc19190613387565b604051602081830303815290604052805190602001209050610d27848480806020026020016040519081016040528093929190818152602001838360200280828437600081840152601f19601f82011690508083019250505050505050600a5483612044565b9150509392505050565b6000610d3b61205b565b6001546000540303905090565b6000610d5382612060565b90508373ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff1614610dba576040517fa114810000000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b600080610dc68461212c565b91509150610ddc8187610dd761203c565b612153565b610e2857610df186610dec61203c565b611c81565b610e27576040517f59c896be00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b5b600073ffffffffffffffffffffffffffffffffffffffff168573ffffffffffffffffffffffffffffffffffffffff1603610e8e576040517fea553b3400000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b610e9b8686866001612197565b8015610ea657600082555b600560008773ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020600081546001900391905081905550600560008673ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff1681526020019081526020016000206000815460010191905081905550610f7485610f5088888761219d565b7c0200000000000000000000000000000000000000000000000000000000176121c5565b600460008681526020019081526020016000208190555060007c0200000000000000000000000000000000000000000000000000000000841603610ffa5760006001850190506000600460008381526020019081526020016000205403610ff8576000548114610ff7578360046000838152602001908152602001600020819055505b5b505b838573ffffffffffffffffffffffffffffffffffffffff168773ffffffffffffffffffffffffffffffffffffffff167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef60405160405180910390a461106286868660016121f0565b505050505050565b600a5481565b61271081565b61107e6121f6565b61108781612274565b6002600c60006101000a81548160ff021916908360028111156110ad576110ac612fd8565b5b0217905550437fe666578c902ce1e651ba0c45346366bc486bf3c6467d3aa78aa05855edd27370826040516110e29190612c44565b60405180910390a250565b6110f56121f6565b8073ffffffffffffffffffffffffffffffffffffffff16600073ffffffffffffffffffffffffffffffffffffffff160361115b576040517fe6c4247b00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b600d60008273ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060009054906101000a900460ff1615600d60008373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060006101000a81548160ff02191690831515021790555050565b61121d838383604051806020016040528060008152506119dd565b505050565b61122a6121f6565b6000815103611265576040517f3b00c96400000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b80600b9081611274919061354e565b503373ffffffffffffffffffffffffffffffffffffffff167f4dac2b1049d6f2f1d639c31be7593ba21c9a8a1b0af8392ef0771feee81ce6e5826040516112bb9190612ae8565b60405180910390a250565b600d60003373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060009054906101000a900460ff161580156113535750611323611803565b73ffffffffffffffffffffffffffffffffffffffff163373ffffffffffffffffffffffffffffffffffffffff1614155b1561138a576040517f25102f0d00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b61139583600061227e565b6113a082600061227e565b6113ab816001611e22565b505050565b60006113bb82612060565b9050919050565b60095481565b6113d06121f6565b8073ffffffffffffffffffffffffffffffffffffffff16600073ffffffffffffffffffffffffffffffffffffffff1603611436576040517fe6c4247b00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b600047905060008103611475576040517f6a12f10400000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b60008273ffffffffffffffffffffffffffffffffffffffff168260405161149b90613651565b60006040518083038185875af1925050503d80600081146114d8576040519150601f19603f3d011682016040523d82523d6000602084013e6114dd565b606091505b5050905080611521576040517f08c379a0000000000000000000000000000000000000000000000000000000008152600401611518906136b2565b60405180910390fd5b818373ffffffffffffffffffffffffffffffffffffffff167f70b3b7db21bdb2dba6dc265c63c2be9d573a8d327104a95137869fa400b9fdd160405160405180910390a3505050565b60008073ffffffffffffffffffffffffffffffffffffffff168273ffffffffffffffffffffffffffffffffffffffff16036115d1576040517f8f4eb60400000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b67ffffffffffffffff600560008473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002054169050919050565b61162a6121f6565b61163460006124d0565b565b3373ffffffffffffffffffffffffffffffffffffffff163273ffffffffffffffffffffffffffffffffffffffff161461169b576040517fe02c6ccf00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b6002808111156116ae576116ad612fd8565b5b600c60009054906101000a900460ff1660028111156116d0576116cf612fd8565b5b14611707576040517f373f226c00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b6127108160ff16611716611db8565b6117209190613269565b1115611758576040517f8a164f6300000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b60038160ff1661176733611dcb565b6117719190613269565b11156117a9576040517f3fca4c4d00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b8060ff166009546117ba919061329d565b3410156117f3576040517f6a12f10400000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b611800338260ff16611e22565b50565b6000600860009054906101000a900473ffffffffffffffffffffffffffffffffffffffff16905090565b60606003805461183c9061330e565b80601f01602080910402602001604051908101604052809291908181526020018280546118689061330e565b80156118b55780601f1061188a576101008083540402835291602001916118b5565b820191906000526020600020905b81548152906001019060200180831161189857829003601f168201915b5050505050905090565b80600760006118cc61203c565b73ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060008473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060006101000a81548160ff0219169083151502179055508173ffffffffffffffffffffffffffffffffffffffff1661197961203c565b73ffffffffffffffffffffffffffffffffffffffff167f17307eab39ab6107e8899845ad3d59bd9653f200f220920489ca2b5937696c31836040516119be919061293f565b60405180910390a35050565b600c60009054906101000a900460ff1681565b6119e8848484610d48565b60008373ffffffffffffffffffffffffffffffffffffffff163b14611a4a57611a1384848484612596565b611a49576040517fd1a57ed600000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b5b50505050565b611a586121f6565b816000801b03611a94576040517fb7c9c88100000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b611a9d81612274565b611aa6826126e6565b6001600c60006101000a81548160ff02191690836002811115611acc57611acb612fd8565b5b0217905550437f824aa117ea3cab64e5647b469f2fc2cbbac124f4cf9de3a38561e5dcf63cc3cb8383604051611b039291906136d2565b60405180910390a25050565b6060611b1a82611fdd565b611b50576040517fa14c4b5000000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b6000611b5a6126f0565b90506000815103611b7a5760405180602001604052806000815250611ba5565b80611b8484612782565b604051602001611b95929190613737565b6040516020818303038152906040525b915050919050565b611bb56121f6565b6000600c60006101000a81548160ff02191690836002811115611bdb57611bda612fd8565b5b0217905550565b611bea6121f6565b612710611bf5611db8565b82611c009190613269565b1115611c38576040517f8a164f6300000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b601e811115611c73576040517f3fca4c4d00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b611c7d8282611e22565b5050565b6000600760008473ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060008373ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060009054906101000a900460ff16905092915050565b611d1d6121f6565b600073ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff1603611d8c576040517f08c379a0000000000000000000000000000000000000000000000000000000008152600401611d83906137cd565b60405180910390fd5b611d95816124d0565b50565b600d6020528060005260406000206000915054906101000a900460ff1681565b6000611dc261205b565b60005403905090565b600067ffffffffffffffff6040600560008573ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002054901c169050919050565b60008054905060008203611e62576040517fb562e8dd00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b611e6f6000848385612197565b600160406001901b178202600560008573ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff16815260200190815260200160002060008282540192505081905550611ee683611ed7600086600061219d565b611ee0856127d2565b176121c5565b6004600083815260200190815260200160002081905550600080838301905073ffffffffffffffffffffffffffffffffffffffff85169150828260007fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef600080a4600183015b818114611f8757808360007fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef600080a4600181019050611f4c565b5060008203611fc2576040517f2e07630000000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b806000819055505050611fd860008483856121f0565b505050565b600081611fe861205b565b11158015611ff7575060005482105b8015612035575060007c0100000000000000000000000000000000000000000000000000000000600460008581526020019081526020016000205416145b9050919050565b600033905090565b60008261205185846127e2565b1490509392505050565b600090565b6000808290508061206f61205b565b116120f5576000548110156120f45760006004600083815260200190815260200160002054905060007c01000000000000000000000000000000000000000000000000000000008216036120f2575b600081036120e85760046000836001900393508381526020019081526020016000205490506120be565b8092505050612127565b505b5b6040517fdf2d9b4200000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b919050565b60008060006006600085815260200190815260200160002090508092508254915050915091565b600073ffffffffffffffffffffffffffffffffffffffff8316925073ffffffffffffffffffffffffffffffffffffffff821691508382148383141790509392505050565b50505050565b60008060e883901c905060e86121b4868684612838565b62ffffff16901b9150509392505050565b600073ffffffffffffffffffffffffffffffffffffffff83169250814260a01b178317905092915050565b50505050565b6121fe612841565b73ffffffffffffffffffffffffffffffffffffffff1661221c611803565b73ffffffffffffffffffffffffffffffffffffffff1614612272576040517f08c379a000000000000000000000000000000000000000000000000000000000815260040161226990613839565b60405180910390fd5b565b8060098190555050565b600061228983612060565b9050600081905060008061229c8661212c565b915091508415612305576122b881846122b361203c565b612153565b612304576122cd836122c861203c565b611c81565b612303576040517f59c896be00000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b5b5b612313836000886001612197565b801561231e57600082555b600160806001901b03600560008573ffffffffffffffffffffffffffffffffffffffff1673ffffffffffffffffffffffffffffffffffffffff168152602001908152602001600020600082825401925050819055506123c6836123838560008861219d565b7c02000000000000000000000000000000000000000000000000000000007c010000000000000000000000000000000000000000000000000000000017176121c5565b600460008881526020019081526020016000208190555060007c020000000000000000000000000000000000000000000000000000000085160361244c576000600187019050600060046000838152602001908152602001600020540361244a576000548114612449578460046000838152602001908152602001600020819055505b5b505b85600073ffffffffffffffffffffffffffffffffffffffff168473ffffffffffffffffffffffffffffffffffffffff167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef60405160405180910390a46124b68360008860016121f0565b600160008154809291906001019190505550505050505050565b6000600860009054906101000a900473ffffffffffffffffffffffffffffffffffffffff16905081600860006101000a81548173ffffffffffffffffffffffffffffffffffffffff021916908373ffffffffffffffffffffffffffffffffffffffff1602179055508173ffffffffffffffffffffffffffffffffffffffff168173ffffffffffffffffffffffffffffffffffffffff167f8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e060405160405180910390a35050565b60008373ffffffffffffffffffffffffffffffffffffffff1663150b7a026125bc61203c565b8786866040518563ffffffff1660e01b81526004016125de94939291906138ae565b6020604051808303816000875af192505050801561261a57506040513d601f19601f82011682018060405250810190612617919061390f565b60015b612693573d806000811461264a576040519150601f19603f3d011682016040523d82523d6000602084013e61264f565b606091505b50600081510361268b576040517fd1a57ed600000000000000000000000000000000000000000000000000000000815260040160405180910390fd5b805181602001fd5b63150b7a0260e01b7bffffffffffffffffffffffffffffffffffffffffffffffffffffffff1916817bffffffffffffffffffffffffffffffffffffffffffffffffffffffff191614915050949350505050565b80600a8190555050565b6060600b80546126ff9061330e565b80601f016020809104026020016040519081016040528092919081815260200182805461272b9061330e565b80156127785780601f1061274d57610100808354040283529160200191612778565b820191906000526020600020905b81548152906001019060200180831161275b57829003601f168201915b5050505050905090565b606060a060405101806040526020810391506000825281835b6001156127bd57600184039350600a81066030018453600a810490508061279b575b50828103602084039350808452505050919050565b60006001821460e11b9050919050565b60008082905060005b845181101561282d576128188286838151811061280b5761280a61393c565b5b6020026020010151612849565b915080806128259061396b565b9150506127eb565b508091505092915050565b60009392505050565b600033905090565b60008183106128615761285c8284612874565b61286c565b61286b8383612874565b5b905092915050565b600082600052816020526040600020905092915050565b6000604051905090565b600080fd5b600080fd5b60007fffffffff0000000000000000000000000000000000000000000000000000000082169050919050565b6128d48161289f565b81146128df57600080fd5b50565b6000813590506128f1816128cb565b92915050565b60006020828403121561290d5761290c612895565b5b600061291b848285016128e2565b91505092915050565b60008115159050919050565b61293981612924565b82525050565b60006020820190506129546000830184612930565b92915050565b600080fd5b600080fd5b600080fd5b60008083601f84011261297f5761297e61295a565b5b8235905067ffffffffffffffff81111561299c5761299b61295f565b5b6020830191508360208202830111156129b8576129b7612964565b5b9250929050565b600060ff82169050919050565b6129d5816129bf565b81146129e057600080fd5b50565b6000813590506129f2816129cc565b92915050565b600080600060408486031215612a1157612a10612895565b5b600084013567ffffffffffffffff811115612a2f57612a2e61289a565b5b612a3b86828701612969565b93509350506020612a4e868287016129e3565b9150509250925092565b600081519050919050565b600082825260208201905092915050565b60005b83811015612a92578082015181840152602081019050612a77565b60008484015250505050565b6000601f19601f8301169050919050565b6000612aba82612a58565b612ac48185612a63565b9350612ad4818560208601612a74565b612add81612a9e565b840191505092915050565b60006020820190508181036000830152612b028184612aaf565b905092915050565b6000819050919050565b612b1d81612b0a565b8114612b2857600080fd5b50565b600081359050612b3a81612b14565b92915050565b600060208284031215612b5657612b55612895565b5b6000612b6484828501612b2b565b91505092915050565b600073ffffffffffffffffffffffffffffffffffffffff82169050919050565b6000612b9882612b6d565b9050919050565b612ba881612b8d565b82525050565b6000602082019050612bc36000830184612b9f565b92915050565b612bd281612b8d565b8114612bdd57600080fd5b50565b600081359050612bef81612bc9565b92915050565b60008060408385031215612c0c57612c0b612895565b5b6000612c1a85828601612be0565b9250506020612c2b85828601612b2b565b9150509250929050565b612c3e81612b0a565b82525050565b6000602082019050612c596000830184612c35565b92915050565b600080600060408486031215612c7857612c77612895565b5b6000612c8686828701612be0565b935050602084013567ffffffffffffffff811115612ca757612ca661289a565b5b612cb386828701612969565b92509250509250925092565b600080600060608486031215612cd857612cd7612895565b5b6000612ce686828701612be0565b9350506020612cf786828701612be0565b9250506040612d0886828701612b2b565b9150509250925092565b6000819050919050565b612d2581612d12565b82525050565b6000602082019050612d406000830184612d1c565b92915050565b600060208284031215612d5c57612d5b612895565b5b6000612d6a84828501612be0565b91505092915050565b600080fd5b7f4e487b7100000000000000000000000000000000000000000000000000000000600052604160045260246000fd5b612db082612a9e565b810181811067ffffffffffffffff82111715612dcf57612dce612d78565b5b80604052505050565b6000612de261288b565b9050612dee8282612da7565b919050565b600067ffffffffffffffff821115612e0e57612e0d612d78565b5b612e1782612a9e565b9050602081019050919050565b82818337600083830152505050565b6000612e46612e4184612df3565b612dd8565b905082815260208101848484011115612e6257612e61612d73565b5b612e6d848285612e24565b509392505050565b600082601f830112612e8a57612e8961295a565b5b8135612e9a848260208601612e33565b91505092915050565b600060208284031215612eb957612eb8612895565b5b600082013567ffffffffffffffff811115612ed757612ed661289a565b5b612ee384828501612e75565b91505092915050565b600080600060608486031215612f0557612f04612895565b5b6000612f1386828701612b2b565b9350506020612f2486828701612b2b565b9250506040612f3586828701612be0565b9150509250925092565b600060208284031215612f5557612f54612895565b5b6000612f63848285016129e3565b91505092915050565b612f7581612924565b8114612f8057600080fd5b50565b600081359050612f9281612f6c565b92915050565b60008060408385031215612faf57612fae612895565b5b6000612fbd85828601612be0565b9250506020612fce85828601612f83565b9150509250929050565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052602160045260246000fd5b6003811061301857613017612fd8565b5b50565b600081905061302982613007565b919050565b60006130398261301b565b9050919050565b6130498161302e565b82525050565b60006020820190506130646000830184613040565b92915050565b600067ffffffffffffffff82111561308557613084612d78565b5b61308e82612a9e565b9050602081019050919050565b60006130ae6130a98461306a565b612dd8565b9050828152602081018484840111156130ca576130c9612d73565b5b6130d5848285612e24565b509392505050565b600082601f8301126130f2576130f161295a565b5b813561310284826020860161309b565b91505092915050565b6000806000806080858703121561312557613124612895565b5b600061313387828801612be0565b945050602061314487828801612be0565b935050604061315587828801612b2b565b925050606085013567ffffffffffffffff8111156131765761317561289a565b5b613182878288016130dd565b91505092959194509250565b61319781612d12565b81146131a257600080fd5b50565b6000813590506131b48161318e565b92915050565b600080604083850312156131d1576131d0612895565b5b60006131df858286016131a5565b92505060206131f085828601612b2b565b9150509250929050565b6000806040838503121561321157613210612895565b5b600061321f85828601612be0565b925050602061323085828601612be0565b9150509250929050565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052601160045260246000fd5b600061327482612b0a565b915061327f83612b0a565b92508282019050808211156132975761329661323a565b5b92915050565b60006132a882612b0a565b91506132b383612b0a565b92508282026132c181612b0a565b915082820484148315176132d8576132d761323a565b5b5092915050565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052602260045260246000fd5b6000600282049050600182168061332657607f821691505b602082108103613339576133386132df565b5b50919050565b60008160601b9050919050565b60006133578261333f565b9050919050565b60006133698261334c565b9050919050565b61338161337c82612b8d565b61335e565b82525050565b60006133938284613370565b60148201915081905092915050565b60008190508160005260206000209050919050565b60006020601f8301049050919050565b600082821b905092915050565b6000600883026134047fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff826133c7565b61340e86836133c7565b95508019841693508086168417925050509392505050565b6000819050919050565b600061344b61344661344184612b0a565b613426565b612b0a565b9050919050565b6000819050919050565b61346583613430565b61347961347182613452565b8484546133d4565b825550505050565b600090565b61348e613481565b61349981848461345c565b505050565b5b818110156134bd576134b2600082613486565b60018101905061349f565b5050565b601f821115613502576134d3816133a2565b6134dc846133b7565b810160208510156134eb578190505b6134ff6134f7856133b7565b83018261349e565b50505b505050565b600082821c905092915050565b600061352560001984600802613507565b1980831691505092915050565b600061353e8383613514565b9150826002028217905092915050565b61355782612a58565b67ffffffffffffffff8111156135705761356f612d78565b5b61357a825461330e565b6135858282856134c1565b600060209050601f8311600181146135b857600084156135a6578287015190505b6135b08582613532565b865550613618565b601f1984166135c6866133a2565b60005b828110156135ee578489015182556001820191506020850194506020810190506135c9565b8683101561360b5784890151613607601f891682613514565b8355505b6001600288020188555050505b505050505050565b600081905092915050565b50565b600061363b600083613620565b91506136468261362b565b600082019050919050565b600061365c8261362e565b9150819050919050565b7f43616c6c206661696c6564000000000000000000000000000000000000000000600082015250565b600061369c600b83612a63565b91506136a782613666565b602082019050919050565b600060208201905081810360008301526136cb8161368f565b9050919050565b60006040820190506136e76000830185612d1c565b6136f46020830184612c35565b9392505050565b600081905092915050565b600061371182612a58565b61371b81856136fb565b935061372b818560208601612a74565b80840191505092915050565b60006137438285613706565b915061374f8284613706565b91508190509392505050565b7f4f776e61626c653a206e6577206f776e657220697320746865207a65726f206160008201527f6464726573730000000000000000000000000000000000000000000000000000602082015250565b60006137b7602683612a63565b91506137c28261375b565b604082019050919050565b600060208201905081810360008301526137e6816137aa565b9050919050565b7f4f776e61626c653a2063616c6c6572206973206e6f7420746865206f776e6572600082015250565b6000613823602083612a63565b915061382e826137ed565b602082019050919050565b6000602082019050818103600083015261385281613816565b9050919050565b600081519050919050565b600082825260208201905092915050565b600061388082613859565b61388a8185613864565b935061389a818560208601612a74565b6138a381612a9e565b840191505092915050565b60006080820190506138c36000830187612b9f565b6138d06020830186612b9f565b6138dd6040830185612c35565b81810360608301526138ef8184613875565b905095945050505050565b600081519050613909816128cb565b92915050565b60006020828403121561392557613924612895565b5b6000613933848285016138fa565b91505092915050565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052603260045260246000fd5b600061397682612b0a565b91507fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff82036139a8576139a761323a565b5b60018201905091905056fea26469706673582212206d2a7d8ae6d7d7f0b4ecdee713016a398e275f0da83d05e84d41cd92813b686364736f6c63430008120033

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