ETH Price: $2,052.60 (+0.70%)

Transaction Decoder

Block:
19165700 at Feb-06-2024 12:42:35 AM +UTC
Transaction Fee:
0.001333822727609904 ETH $2.74
Gas Used:
64,996 Gas / 20.521612524 Gwei

Emitted Events:

Account State Difference:

  Address   Before After State Difference Code
(Lido: Execution Layer Rewards Vault)
93.729855744797746387 Eth93.729857374322211787 Eth0.0000016295244654
0x38930Aae...11B13092B 37.433728636718731451 Eth37.413330843714553543 Eth0.020397793004177908
0xdDE01147...6474DF52D
3.745054224101269577 Eth
Nonce: 4762
3.764118194377837581 Eth
Nonce: 4763
0.019063970276568004

Execution Trace

TheLP.sell( tokenId=2420 )
  • ETH 0.020397793004177908 0xdde01147aac2152dd0776bc3ed84cc96474df52d.CALL( )
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.13;
    import "ERC721A/extensions/ERC721AQueryable.sol";
    import "solmate/utils/SSTORE2.sol";
    import "solmate/auth/Owned.sol";
    import "solmate/utils/LibString.sol";
    import "solmate/utils/ReentrancyGuard.sol";
    import "openzeppelin-contracts/utils/Address.sol";
    import "prb-math/PRBMathUD60x18.sol";
    import "./Base64.sol";
    import "./TheLPRenderer.sol";
    contract TheLP is ERC721AQueryable, Owned, ReentrancyGuard {
        using LibString for uint256;
        using PRBMathUD60x18 for uint256;
        TheLPRenderer renderer;
        event PaymentReceived(address from, uint256 amount);
        event PaymentReleased(address to, uint256 amount);
        uint256 public MAX_SUPPLY;
        uint256 public MAX_PUB_SALE;
        uint256 public MAX_TEAM;
        uint256 public MAX_LP;
        uint256 public DURATION;
        uint256 public MIN_PRICE;
        uint256 public MAX_PRICE;
        uint256 public DISCOUNT_RATE;
        uint256 public startTime;
        uint256 public endTime;
        address public traitsImagePointer;
        uint256 public totalEthClaimed;
        bool public lockedIn = false;
        uint256 public feeSplit = 2 * 10**18;
        mapping(uint256 => uint256) public _rewardDebt;
        mapping(uint256 => TokenMintInfo) public tokenMintInfo;
        struct TokenMintInfo {
            bytes32 seed;
            uint256 cost;
        }
        error TokenNotForSale();
        error IncorrectPayment();
        error AlreadyLocked();
        error NotGameOver();
        error AlreadyGameOver();
        error LockedIn();
        error CannotRedeem();
        error InvalidTokenId(uint256 tokenId);
        error NotOwner(uint256 tokenId);
        error AuctionEnded();
        error NotStarted();
        error AmountRequired();
        error SoldOut();
        error NotLockedIn();
        bytes32 teamMintBlockHash;
        bytes32 lpMintBlockHash;
        address teamMintWallet;
        constructor(
            string memory name,
            string memory symbol,
            uint256 _startTime,
            TheLPRenderer _renderer,
            uint256 minPrice,
            uint256 maxPrice,
            uint256 maxPubSale,
            uint256 maxTeam,
            uint256 maxLp,
            uint256 duration,
            address _teamMintWallet
        ) ERC721A(name, symbol) Owned(msg.sender) {
            startTime = _startTime;
            endTime = startTime + duration;
            renderer = _renderer;
            MIN_PRICE = minPrice;
            MAX_PRICE = maxPrice;
            MAX_LP = maxLp;
            MAX_TEAM = maxTeam;
            MAX_PUB_SALE = maxPubSale;
            MAX_SUPPLY = MAX_LP + MAX_TEAM + MAX_PUB_SALE;
            DURATION = duration;
            DISCOUNT_RATE = uint256(MAX_PRICE - MIN_PRICE).div((duration) * 10**18);
            teamMintWallet = _teamMintWallet;
            _mintERC2309(teamMintWallet, MAX_TEAM);
            teamMintBlockHash = blockhash(block.number - 1);
        }
        /// @dev Public function to get the usable ETH balanance.
        /// This balance does not include ETH set aside of holder fees.
        function getEthBalance() external view returns (uint256) {
            return _getEthBalance(0);
        }
        /// @dev Private function to get usable ETH balance of the smart contract.
        /// This ETH balance is what is used for liquidity. It should not include
        /// ETH that is set aside for fees. Includes minus argument to subtract
        /// msg.value which should not be included in calculation.
        function _getEthBalance(uint256 minus) private view returns (uint256) {
            uint256 balance = address(this).balance - minus;
            uint256 fees = getFeeBalance();
            if (fees > balance) return 0;
            return balance - fees;
        }
        /// @dev Public function to update the fee split
        function updateFeeSplit(uint256 newSplit) public onlyOwner {
            feeSplit = newSplit;
        }
        /// @dev Public get price function
        function getBuyPrice() external view returns (uint256, uint256) {
            return _getBuyPrice(0);
        }
        /// @dev Internal function to get the current price and fee
        function _getPrice(uint256 minus, bool isBuy)
            internal
            view
            returns (uint256, uint256)
        {
            uint256 balance = balanceOf(address(this));
            uint256 priceA = _getEthBalance(minus).div(balance * 10**18);
            if (isBuy) {
                balance -= 1;
            } else {
                balance += 1;
            }
            uint256 priceB = _getEthBalance(minus).div(balance * 10**18);
            uint256 fee;
            if (priceB > priceA) {
                fee = priceB - priceA;
            } else {
                fee = priceA - priceB;
            }
            return (priceB, fee);
        }
        /// @dev Get buy price. Includes minus params to account for
        /// additional msg.value that should not be part of calculation.
        function _getBuyPrice(uint256 minus)
            private
            view
            returns (uint256, uint256)
        {
            return _getPrice(minus, true);
        }
        /// @dev Public get sell price function
        function getSellPrice() external view returns (uint256, uint256) {
            return _getSellPrice(0);
        }
        /// @dev Get sell price. Includes minus params to account for
        /// additional msg.value that should not be part of calculation.
        function _getSellPrice(uint256 minus)
            private
            view
            returns (uint256, uint256)
        {
            return _getPrice(minus, false);
        }
        /// @dev Function used to buy an NFT within the LP contract
        /// Must send buy price. Will refund any additional amounts.
        function buy(uint256 id) public payable nonReentrant {
            if (ownerOf(id) != address(this)) {
                revert NotOwner(id);
            }
            (uint256 cost, uint256 fee) = _getBuyPrice(msg.value);
            if (msg.value < cost) {
                revert IncorrectPayment();
            }
            _totalFees += fee.div(feeSplit);
            // Approve sender to move this token
            // ERC721a doesn't abstract transfer functionality by default
            _tokenApprovals[id].value = msg.sender;
            transferFrom(address(this), msg.sender, id);
            uint256 refund = msg.value - cost;
            if (refund > 0) {
                Address.sendValue(payable(msg.sender), refund);
            }
        }
        error ApprovalRequired(uint256 tokenId);
        /// @dev Function used to sell an NFT
        /// Token ID must be owned by msg.sender
        function sell(uint256 tokenId) public payable nonReentrant {
            if (ownerOf(tokenId) != msg.sender) {
                revert NotOwner(tokenId);
            }
            (uint256 sellPrice, uint256 fee) = _getSellPrice(msg.value);
            _totalFees += fee.div(feeSplit);
            transferFrom(msg.sender, address(this), tokenId);
            Address.sendValue(payable(msg.sender), sellPrice);
        }
        uint256 private _totalFees;
        /// @dev Function to get the total fees accumulated over time
        function getFeeBalance() public view returns (uint256) {
            return _totalFees;
        }
        /// @dev Function to manually migrate ETH from pool
        /// Can be disabled by changing owner to address(0)
        function migrate(uint256 amount) public onlyOwner {
            Address.sendValue(payable(owner), amount);
        }
        /// @dev Public function that can be used to calculate the pending ETH payment for a given NFT ID
        function calculatePendingPayment(uint256 nftId)
            public
            view
            returns (uint256)
        {
            uint256 a = getFeeBalance() + totalEthClaimed - _rewardDebt[nftId];
            if (a == 0) return 0;
            return (a).div(MAX_SUPPLY * 10**18);
        }
        error InvalidDepositAmount();
        /// @dev External function that can be used to add to ETH pool and total fees
        function externalDeposit(uint256 amountTowardsFees)
            external
            payable
            returns (bool)
        {
            if (msg.value == 0) {
                revert InvalidDepositAmount();
            }
            if (amountTowardsFees > msg.value) {
                revert InvalidDepositAmount();
            }
            _totalFees += amountTowardsFees;
            return true;
        }
        error NothingToClaim();
        /// @dev Internal function used to claim share of fees for a given NFT ID
        /// Throws if trying to claim for NFTs in pool
        function _claim(uint256 nftId) private {
            if (!lockedIn) {
                revert NotLockedIn();
            }
            uint256 payment = calculatePendingPayment(nftId);
            if (payment == 0) {
                revert NothingToClaim();
            }
            totalEthClaimed += payment;
            address ownerAddr = ownerOf(nftId);
            if (ownerAddr == address(this)) {
                revert NothingToClaim();
            }
            _totalFees -= payment;
            _rewardDebt[nftId] = _totalFees + totalEthClaimed;
            Address.sendValue(payable(ownerAddr), payment);
            emit PaymentReleased(ownerAddr, payment);
        }
        /// @dev Public function used to claim share of available fees for a given NFT ID
        function claim(uint256 nftId) public nonReentrant {
            _claim(nftId);
        }
        /// @dev Convenience method to claim fees for many NFT IDs
        function claimMany(uint256[] memory nftIds) public nonReentrant {
            for (uint256 i = 0; i < nftIds.length; i++) {
                _claim(nftIds[i]);
            }
        }
        /// @dev Get on-chain token URI
        /// Accounts for NFTs that were minted using ERC-2309
        function tokenURI(uint256 tokenId)
            public
            view
            override(ERC721A, IERC721A)
            returns (string memory)
        {
            bytes32 seed;
            // 1 - 1000
            if (tokenId <= MAX_TEAM) {
                seed = keccak256(abi.encodePacked(teamMintBlockHash, tokenId));
                // 9001 - 10000
            } else if (tokenId >= MAX_PUB_SALE + MAX_TEAM + 1) {
                seed = keccak256(abi.encodePacked(lpMintBlockHash, tokenId));
            } else {
                // 1001 - 9000
                seed = tokenMintInfo[tokenId].seed;
            }
            return renderer.getJsonUri(tokenId, seed);
        }
        function _startTokenId() internal view virtual override returns (uint256) {
            return 1;
        }
        /// @dev Public function that returns game over status
        function isGameOver() public view returns (bool) {
            return block.timestamp >= endTime && _totalMinted() < MAX_SUPPLY;
        }
        /// @dev Private function to redeem mint costs for a given NFT ID
        function _redeem(uint256 tokenId) private {
            if (tokenMintInfo[tokenId].cost == 0) {
                revert InvalidTokenId(tokenId);
            }
            if (ownerOf(tokenId) != msg.sender) {
                revert NotOwner(tokenId);
            }
            Address.sendValue(payable(msg.sender), tokenMintInfo[tokenId].cost);
            tokenMintInfo[tokenId].cost = 0;
        }
        /// @dev Public function to redeem mint costs for multiple NFT IDs
        /// This function can only be called if game over is true.
        function redeem(uint256[] memory tokenIds) public nonReentrant {
            if (!isGameOver()) {
                revert NotGameOver();
            }
            for (uint256 i = 0; i < tokenIds.length; i++) {
                _redeem(tokenIds[i]);
            }
        }
        /// @dev This function disables transfers until mint is complete.
        function _beforeTokenTransfers(
            address from,
            address to,
            uint256 startTokenId,
            uint256 quantity
        ) internal virtual override {
            if (from == address(0)) return;
            if (!lockedIn) {
                revert NotLockedIn();
            }
        }
        /// @dev Private function that is called once the last NFT of public sale is minted.
        function _lockItIn() private {
            if (lockedIn) {
                revert AlreadyLocked();
            }
            uint256 half = address(this).balance.div(2 * 10**18);
            Address.sendValue(payable(owner), half);
            lpMintBlockHash = blockhash(block.number - 1);
            _mintERC2309(address(this), MAX_LP);
            lockedIn = true;
        }
        /// @dev Gets the current mint price for dutch auction
        function getCurrentMintPrice() public view returns (uint256) {
            if (block.timestamp < startTime) {
                revert NotStarted();
            }
            uint256 timeElapsed = block.timestamp - startTime;
            uint256 discount = DISCOUNT_RATE * timeElapsed;
            if (discount > MAX_PRICE) return MIN_PRICE;
            return MAX_PRICE - discount;
        }
        /// @dev Public mint function
        /// Must pass msg.value greater than or equal to current mint price * amount
        function mint(uint256 amount) public payable nonReentrant {
            if (block.timestamp >= endTime) {
                revert AuctionEnded();
            }
            if (block.timestamp < startTime) {
                revert NotStarted();
            }
            if (amount <= 0) {
                revert AmountRequired();
            }
            uint256 totalMinted = _totalMinted();
            uint256 totalAfterMint = totalMinted + amount;
            if (totalAfterMint > MAX_PUB_SALE + MAX_TEAM) {
                revert SoldOut();
            }
            uint256 mintPrice = getCurrentMintPrice();
            uint256 totalCost = amount * mintPrice;
            if (msg.value < totalCost) {
                revert IncorrectPayment();
            }
            uint256 current = _nextTokenId();
            uint256 end = current + amount - 1;
            for (; current <= end; current++) {
                tokenMintInfo[current] = TokenMintInfo({
                    seed: keccak256(
                        abi.encodePacked(blockhash(block.number - 1), current)
                    ),
                    cost: mintPrice
                });
            }
            uint256 refund = msg.value - totalCost;
            if (refund > 0) {
                Address.sendValue(payable(msg.sender), refund);
            }
            _mint(msg.sender, amount);
            if (totalAfterMint == MAX_PUB_SALE + MAX_TEAM) {
                _lockItIn();
            }
        }
        /// @dev Receive function called when this contract receives Ether
        receive() external payable virtual {
            emit PaymentReceived(msg.sender, msg.value);
        }
    }
    // SPDX-License-Identifier: MIT
    // ERC721A Contracts v4.2.3
    // Creator: Chiru Labs
    pragma solidity ^0.8.4;
    import './IERC721AQueryable.sol';
    import '../ERC721A.sol';
    /**
     * @title ERC721AQueryable.
     *
     * @dev ERC721A subclass with convenience query functions.
     */
    abstract contract ERC721AQueryable is ERC721A, IERC721AQueryable {
        /**
         * @dev Returns the `TokenOwnership` struct at `tokenId` without reverting.
         *
         * If the `tokenId` is out of bounds:
         *
         * - `addr = address(0)`
         * - `startTimestamp = 0`
         * - `burned = false`
         * - `extraData = 0`
         *
         * If the `tokenId` is burned:
         *
         * - `addr = <Address of owner before token was burned>`
         * - `startTimestamp = <Timestamp when token was burned>`
         * - `burned = true`
         * - `extraData = <Extra data when token was burned>`
         *
         * Otherwise:
         *
         * - `addr = <Address of owner>`
         * - `startTimestamp = <Timestamp of start of ownership>`
         * - `burned = false`
         * - `extraData = <Extra data at start of ownership>`
         */
        function explicitOwnershipOf(uint256 tokenId) public view virtual override returns (TokenOwnership memory) {
            TokenOwnership memory ownership;
            if (tokenId < _startTokenId() || tokenId >= _nextTokenId()) {
                return ownership;
            }
            ownership = _ownershipAt(tokenId);
            if (ownership.burned) {
                return ownership;
            }
            return _ownershipOf(tokenId);
        }
        /**
         * @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order.
         * See {ERC721AQueryable-explicitOwnershipOf}
         */
        function explicitOwnershipsOf(uint256[] calldata tokenIds)
            external
            view
            virtual
            override
            returns (TokenOwnership[] memory)
        {
            unchecked {
                uint256 tokenIdsLength = tokenIds.length;
                TokenOwnership[] memory ownerships = new TokenOwnership[](tokenIdsLength);
                for (uint256 i; i != tokenIdsLength; ++i) {
                    ownerships[i] = explicitOwnershipOf(tokenIds[i]);
                }
                return ownerships;
            }
        }
        /**
         * @dev Returns an array of token IDs owned by `owner`,
         * in the range [`start`, `stop`)
         * (i.e. `start <= tokenId < stop`).
         *
         * This function allows for tokens to be queried if the collection
         * grows too big for a single call of {ERC721AQueryable-tokensOfOwner}.
         *
         * Requirements:
         *
         * - `start < stop`
         */
        function tokensOfOwnerIn(
            address owner,
            uint256 start,
            uint256 stop
        ) external view virtual override returns (uint256[] memory) {
            unchecked {
                if (start >= stop) revert InvalidQueryRange();
                uint256 tokenIdsIdx;
                uint256 stopLimit = _nextTokenId();
                // Set `start = max(start, _startTokenId())`.
                if (start < _startTokenId()) {
                    start = _startTokenId();
                }
                // Set `stop = min(stop, stopLimit)`.
                if (stop > stopLimit) {
                    stop = stopLimit;
                }
                uint256 tokenIdsMaxLength = balanceOf(owner);
                // Set `tokenIdsMaxLength = min(balanceOf(owner), stop - start)`,
                // to cater for cases where `balanceOf(owner)` is too big.
                if (start < stop) {
                    uint256 rangeLength = stop - start;
                    if (rangeLength < tokenIdsMaxLength) {
                        tokenIdsMaxLength = rangeLength;
                    }
                } else {
                    tokenIdsMaxLength = 0;
                }
                uint256[] memory tokenIds = new uint256[](tokenIdsMaxLength);
                if (tokenIdsMaxLength == 0) {
                    return tokenIds;
                }
                // We need to call `explicitOwnershipOf(start)`,
                // because the slot at `start` may not be initialized.
                TokenOwnership memory ownership = explicitOwnershipOf(start);
                address currOwnershipAddr;
                // If the starting slot exists (i.e. not burned), initialize `currOwnershipAddr`.
                // `ownership.address` will not be zero, as `start` is clamped to the valid token ID range.
                if (!ownership.burned) {
                    currOwnershipAddr = ownership.addr;
                }
                for (uint256 i = start; i != stop && tokenIdsIdx != tokenIdsMaxLength; ++i) {
                    ownership = _ownershipAt(i);
                    if (ownership.burned) {
                        continue;
                    }
                    if (ownership.addr != address(0)) {
                        currOwnershipAddr = ownership.addr;
                    }
                    if (currOwnershipAddr == owner) {
                        tokenIds[tokenIdsIdx++] = i;
                    }
                }
                // Downsize the array to fit.
                assembly {
                    mstore(tokenIds, tokenIdsIdx)
                }
                return tokenIds;
            }
        }
        /**
         * @dev Returns an array of token IDs owned by `owner`.
         *
         * This function scans the ownership mapping and is O(`totalSupply`) in complexity.
         * It is meant to be called off-chain.
         *
         * See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into
         * multiple smaller scans if the collection is large enough to cause
         * an out-of-gas error (10K collections should be fine).
         */
        function tokensOfOwner(address owner) external view virtual override returns (uint256[] memory) {
            unchecked {
                uint256 tokenIdsIdx;
                address currOwnershipAddr;
                uint256 tokenIdsLength = balanceOf(owner);
                uint256[] memory tokenIds = new uint256[](tokenIdsLength);
                TokenOwnership memory ownership;
                for (uint256 i = _startTokenId(); tokenIdsIdx != tokenIdsLength; ++i) {
                    ownership = _ownershipAt(i);
                    if (ownership.burned) {
                        continue;
                    }
                    if (ownership.addr != address(0)) {
                        currOwnershipAddr = ownership.addr;
                    }
                    if (currOwnershipAddr == owner) {
                        tokenIds[tokenIdsIdx++] = i;
                    }
                }
                return tokenIds;
            }
        }
    }
    // SPDX-License-Identifier: AGPL-3.0-only
    pragma solidity >=0.8.0;
    /// @notice Read and write to persistent storage at a fraction of the cost.
    /// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SSTORE2.sol)
    /// @author Modified from 0xSequence (https://github.com/0xSequence/sstore2/blob/master/contracts/SSTORE2.sol)
    library SSTORE2 {
        uint256 internal constant DATA_OFFSET = 1; // We skip the first byte as it's a STOP opcode to ensure the contract can't be called.
        /*//////////////////////////////////////////////////////////////
                                   WRITE LOGIC
        //////////////////////////////////////////////////////////////*/
        function write(bytes memory data) internal returns (address pointer) {
            // Prefix the bytecode with a STOP opcode to ensure it cannot be called.
            bytes memory runtimeCode = abi.encodePacked(hex"00", data);
            bytes memory creationCode = abi.encodePacked(
                //---------------------------------------------------------------------------------------------------------------//
                // Opcode  | Opcode + Arguments  | Description  | Stack View                                                     //
                //---------------------------------------------------------------------------------------------------------------//
                // 0x60    |  0x600B             | PUSH1 11     | codeOffset                                                     //
                // 0x59    |  0x59               | MSIZE        | 0 codeOffset                                                   //
                // 0x81    |  0x81               | DUP2         | codeOffset 0 codeOffset                                        //
                // 0x38    |  0x38               | CODESIZE     | codeSize codeOffset 0 codeOffset                               //
                // 0x03    |  0x03               | SUB          | (codeSize - codeOffset) 0 codeOffset                           //
                // 0x80    |  0x80               | DUP          | (codeSize - codeOffset) (codeSize - codeOffset) 0 codeOffset   //
                // 0x92    |  0x92               | SWAP3        | codeOffset (codeSize - codeOffset) 0 (codeSize - codeOffset)   //
                // 0x59    |  0x59               | MSIZE        | 0 codeOffset (codeSize - codeOffset) 0 (codeSize - codeOffset) //
                // 0x39    |  0x39               | CODECOPY     | 0 (codeSize - codeOffset)                                      //
                // 0xf3    |  0xf3               | RETURN       |                                                                //
                //---------------------------------------------------------------------------------------------------------------//
                hex"60_0B_59_81_38_03_80_92_59_39_F3", // Returns all code in the contract except for the first 11 (0B in hex) bytes.
                runtimeCode // The bytecode we want the contract to have after deployment. Capped at 1 byte less than the code size limit.
            );
            assembly {
                // Deploy a new contract with the generated creation code.
                // We start 32 bytes into the code to avoid copying the byte length.
                pointer := create(0, add(creationCode, 32), mload(creationCode))
            }
            require(pointer != address(0), "DEPLOYMENT_FAILED");
        }
        /*//////////////////////////////////////////////////////////////
                                   READ LOGIC
        //////////////////////////////////////////////////////////////*/
        function read(address pointer) internal view returns (bytes memory) {
            return readBytecode(pointer, DATA_OFFSET, pointer.code.length - DATA_OFFSET);
        }
        function read(address pointer, uint256 start) internal view returns (bytes memory) {
            start += DATA_OFFSET;
            return readBytecode(pointer, start, pointer.code.length - start);
        }
        function read(
            address pointer,
            uint256 start,
            uint256 end
        ) internal view returns (bytes memory) {
            start += DATA_OFFSET;
            end += DATA_OFFSET;
            require(pointer.code.length >= end, "OUT_OF_BOUNDS");
            return readBytecode(pointer, start, end - start);
        }
        /*//////////////////////////////////////////////////////////////
                              INTERNAL HELPER LOGIC
        //////////////////////////////////////////////////////////////*/
        function readBytecode(
            address pointer,
            uint256 start,
            uint256 size
        ) private view returns (bytes memory data) {
            assembly {
                // Get a pointer to some free memory.
                data := mload(0x40)
                // Update the free memory pointer to prevent overriding our data.
                // We use and(x, not(31)) as a cheaper equivalent to sub(x, mod(x, 32)).
                // Adding 31 to size and running the result through the logic above ensures
                // the memory pointer remains word-aligned, following the Solidity convention.
                mstore(0x40, add(data, and(add(add(size, 32), 31), not(31))))
                // Store the size of the data in the first 32 byte chunk of free memory.
                mstore(data, size)
                // Copy the code into memory right after the 32 bytes we used to store the size.
                extcodecopy(pointer, add(data, 32), start, size)
            }
        }
    }
    // SPDX-License-Identifier: AGPL-3.0-only
    pragma solidity >=0.8.0;
    /// @notice Simple single owner authorization mixin.
    /// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/auth/Owned.sol)
    abstract contract Owned {
        /*//////////////////////////////////////////////////////////////
                                     EVENTS
        //////////////////////////////////////////////////////////////*/
        event OwnershipTransferred(address indexed user, address indexed newOwner);
        /*//////////////////////////////////////////////////////////////
                                OWNERSHIP STORAGE
        //////////////////////////////////////////////////////////////*/
        address public owner;
        modifier onlyOwner() virtual {
            require(msg.sender == owner, "UNAUTHORIZED");
            _;
        }
        /*//////////////////////////////////////////////////////////////
                                   CONSTRUCTOR
        //////////////////////////////////////////////////////////////*/
        constructor(address _owner) {
            owner = _owner;
            emit OwnershipTransferred(address(0), _owner);
        }
        /*//////////////////////////////////////////////////////////////
                                 OWNERSHIP LOGIC
        //////////////////////////////////////////////////////////////*/
        function transferOwnership(address newOwner) public virtual onlyOwner {
            owner = newOwner;
            emit OwnershipTransferred(msg.sender, newOwner);
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity >=0.8.0;
    /// @notice Efficient library for creating string representations of integers.
    /// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/LibString.sol)
    /// @author Modified from Solady (https://github.com/Vectorized/solady/blob/main/src/utils/LibString.sol)
    library LibString {
        function toString(uint256 value) internal pure returns (string memory str) {
            assembly {
                // The maximum value of a uint256 contains 78 digits (1 byte per digit), but we allocate 160 bytes
                // to keep the free memory pointer word aligned. We'll need 1 word for the length, 1 word for the
                // trailing zeros padding, and 3 other words for a max of 78 digits. In total: 5 * 32 = 160 bytes.
                let newFreeMemoryPointer := add(mload(0x40), 160)
                // Update the free memory pointer to avoid overriding our string.
                mstore(0x40, newFreeMemoryPointer)
                // Assign str to the end of the zone of newly allocated memory.
                str := sub(newFreeMemoryPointer, 32)
                // Clean the last word of memory it may not be overwritten.
                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 {} {
                    // Move the pointer 1 byte to the left.
                    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 }
                }
                // Compute and cache the final total length of the string.
                let length := sub(end, str)
                // Move the pointer 32 bytes leftwards to make room for the length.
                str := sub(str, 32)
                // Store the string's length at the start of memory allocated for our string.
                mstore(str, length)
            }
        }
    }
    // SPDX-License-Identifier: AGPL-3.0-only
    pragma solidity >=0.8.0;
    /// @notice Gas optimized reentrancy protection for smart contracts.
    /// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/ReentrancyGuard.sol)
    /// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/security/ReentrancyGuard.sol)
    abstract contract ReentrancyGuard {
        uint256 private locked = 1;
        modifier nonReentrant() virtual {
            require(locked == 1, "REENTRANCY");
            locked = 2;
            _;
            locked = 1;
        }
    }
    // SPDX-License-Identifier: MIT
    // OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)
    pragma solidity ^0.8.1;
    /**
     * @dev Collection of functions related to the address type
     */
    library Address {
        /**
         * @dev Returns true if `account` is a contract.
         *
         * [IMPORTANT]
         * ====
         * It is unsafe to assume that an address for which this function returns
         * false is an externally-owned account (EOA) and not a contract.
         *
         * Among others, `isContract` will return false for the following
         * types of addresses:
         *
         *  - an externally-owned account
         *  - a contract in construction
         *  - an address where a contract will be created
         *  - an address where a contract lived, but was destroyed
         * ====
         *
         * [IMPORTANT]
         * ====
         * You shouldn't rely on `isContract` to protect against flash loan attacks!
         *
         * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
         * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
         * constructor.
         * ====
         */
        function isContract(address account) internal view returns (bool) {
            // This method relies on extcodesize/address.code.length, which returns 0
            // for contracts in construction, since the code is only stored at the end
            // of the constructor execution.
            return account.code.length > 0;
        }
        /**
         * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
         * `recipient`, forwarding all available gas and reverting on errors.
         *
         * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
         * of certain opcodes, possibly making contracts go over the 2300 gas limit
         * imposed by `transfer`, making them unable to receive funds via
         * `transfer`. {sendValue} removes this limitation.
         *
         * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
         *
         * IMPORTANT: because control is transferred to `recipient`, care must be
         * taken to not create reentrancy vulnerabilities. Consider using
         * {ReentrancyGuard} or the
         * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
         */
        function sendValue(address payable recipient, uint256 amount) internal {
            require(address(this).balance >= amount, "Address: insufficient balance");
            (bool success, ) = recipient.call{value: amount}("");
            require(success, "Address: unable to send value, recipient may have reverted");
        }
        /**
         * @dev Performs a Solidity function call using a low level `call`. A
         * plain `call` is an unsafe replacement for a function call: use this
         * function instead.
         *
         * If `target` reverts with a revert reason, it is bubbled up by this
         * function (like regular Solidity function calls).
         *
         * Returns the raw returned data. To convert to the expected return value,
         * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
         *
         * Requirements:
         *
         * - `target` must be a contract.
         * - calling `target` with `data` must not revert.
         *
         * _Available since v3.1._
         */
        function functionCall(address target, bytes memory data) internal returns (bytes memory) {
            return functionCallWithValue(target, data, 0, "Address: low-level call failed");
        }
        /**
         * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
         * `errorMessage` as a fallback revert reason when `target` reverts.
         *
         * _Available since v3.1._
         */
        function functionCall(
            address target,
            bytes memory data,
            string memory errorMessage
        ) internal returns (bytes memory) {
            return functionCallWithValue(target, data, 0, errorMessage);
        }
        /**
         * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
         * but also transferring `value` wei to `target`.
         *
         * Requirements:
         *
         * - the calling contract must have an ETH balance of at least `value`.
         * - the called Solidity function must be `payable`.
         *
         * _Available since v3.1._
         */
        function functionCallWithValue(
            address target,
            bytes memory data,
            uint256 value
        ) internal returns (bytes memory) {
            return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
        }
        /**
         * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
         * with `errorMessage` as a fallback revert reason when `target` reverts.
         *
         * _Available since v3.1._
         */
        function functionCallWithValue(
            address target,
            bytes memory data,
            uint256 value,
            string memory errorMessage
        ) internal returns (bytes memory) {
            require(address(this).balance >= value, "Address: insufficient balance for call");
            (bool success, bytes memory returndata) = target.call{value: value}(data);
            return verifyCallResultFromTarget(target, success, returndata, errorMessage);
        }
        /**
         * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
         * but performing a static call.
         *
         * _Available since v3.3._
         */
        function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
            return functionStaticCall(target, data, "Address: low-level static call failed");
        }
        /**
         * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
         * but performing a static call.
         *
         * _Available since v3.3._
         */
        function functionStaticCall(
            address target,
            bytes memory data,
            string memory errorMessage
        ) internal view returns (bytes memory) {
            (bool success, bytes memory returndata) = target.staticcall(data);
            return verifyCallResultFromTarget(target, success, returndata, errorMessage);
        }
        /**
         * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
         * but performing a delegate call.
         *
         * _Available since v3.4._
         */
        function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
            return functionDelegateCall(target, data, "Address: low-level delegate call failed");
        }
        /**
         * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
         * but performing a delegate call.
         *
         * _Available since v3.4._
         */
        function functionDelegateCall(
            address target,
            bytes memory data,
            string memory errorMessage
        ) internal returns (bytes memory) {
            (bool success, bytes memory returndata) = target.delegatecall(data);
            return verifyCallResultFromTarget(target, success, returndata, errorMessage);
        }
        /**
         * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
         * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
         *
         * _Available since v4.8._
         */
        function verifyCallResultFromTarget(
            address target,
            bool success,
            bytes memory returndata,
            string memory errorMessage
        ) internal view returns (bytes memory) {
            if (success) {
                if (returndata.length == 0) {
                    // only check isContract if the call was successful and the return data is empty
                    // otherwise we already know that it was a contract
                    require(isContract(target), "Address: call to non-contract");
                }
                return returndata;
            } else {
                _revert(returndata, errorMessage);
            }
        }
        /**
         * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
         * revert reason or using the provided one.
         *
         * _Available since v4.3._
         */
        function verifyCallResult(
            bool success,
            bytes memory returndata,
            string memory errorMessage
        ) internal pure returns (bytes memory) {
            if (success) {
                return returndata;
            } else {
                _revert(returndata, errorMessage);
            }
        }
        function _revert(bytes memory returndata, string memory errorMessage) private pure {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
    // SPDX-License-Identifier: Unlicense
    pragma solidity >=0.8.4;
    import "./PRBMath.sol";
    /// @title PRBMathUD60x18
    /// @author Paul Razvan Berg
    /// @notice Smart contract library for advanced fixed-point math that works with uint256 numbers considered to have 18
    /// trailing decimals. We call this number representation unsigned 60.18-decimal fixed-point, since there can be up to 60
    /// digits in the integer part and up to 18 decimals in the fractional part. The numbers are bound by the minimum and the
    /// maximum values permitted by the Solidity type uint256.
    library PRBMathUD60x18 {
        /// @dev Half the SCALE number.
        uint256 internal constant HALF_SCALE = 5e17;
        /// @dev log2(e) as an unsigned 60.18-decimal fixed-point number.
        uint256 internal constant LOG2_E = 1_442695040888963407;
        /// @dev The maximum value an unsigned 60.18-decimal fixed-point number can have.
        uint256 internal constant MAX_UD60x18 =
            115792089237316195423570985008687907853269984665640564039457_584007913129639935;
        /// @dev The maximum whole value an unsigned 60.18-decimal fixed-point number can have.
        uint256 internal constant MAX_WHOLE_UD60x18 =
            115792089237316195423570985008687907853269984665640564039457_000000000000000000;
        /// @dev How many trailing decimals can be represented.
        uint256 internal constant SCALE = 1e18;
        /// @notice Calculates the arithmetic average of x and y, rounding down.
        /// @param x The first operand as an unsigned 60.18-decimal fixed-point number.
        /// @param y The second operand as an unsigned 60.18-decimal fixed-point number.
        /// @return result The arithmetic average as an unsigned 60.18-decimal fixed-point number.
        function avg(uint256 x, uint256 y) internal pure returns (uint256 result) {
            // The operations can never overflow.
            unchecked {
                // The last operand checks if both x and y are odd and if that is the case, we add 1 to the result. We need
                // to do this because if both numbers are odd, the 0.5 remainder gets truncated twice.
                result = (x >> 1) + (y >> 1) + (x & y & 1);
            }
        }
        /// @notice Yields the least unsigned 60.18 decimal fixed-point number greater than or equal to x.
        ///
        /// @dev Optimized for fractional value inputs, because for every whole value there are (1e18 - 1) fractional counterparts.
        /// See https://en.wikipedia.org/wiki/Floor_and_ceiling_functions.
        ///
        /// Requirements:
        /// - x must be less than or equal to MAX_WHOLE_UD60x18.
        ///
        /// @param x The unsigned 60.18-decimal fixed-point number to ceil.
        /// @param result The least integer greater than or equal to x, as an unsigned 60.18-decimal fixed-point number.
        function ceil(uint256 x) internal pure returns (uint256 result) {
            if (x > MAX_WHOLE_UD60x18) {
                revert PRBMathUD60x18__CeilOverflow(x);
            }
            assembly {
                // Equivalent to "x % SCALE" but faster.
                let remainder := mod(x, SCALE)
                // Equivalent to "SCALE - remainder" but faster.
                let delta := sub(SCALE, remainder)
                // Equivalent to "x + delta * (remainder > 0 ? 1 : 0)" but faster.
                result := add(x, mul(delta, gt(remainder, 0)))
            }
        }
        /// @notice Divides two unsigned 60.18-decimal fixed-point numbers, returning a new unsigned 60.18-decimal fixed-point number.
        ///
        /// @dev Uses mulDiv to enable overflow-safe multiplication and division.
        ///
        /// Requirements:
        /// - The denominator cannot be zero.
        ///
        /// @param x The numerator as an unsigned 60.18-decimal fixed-point number.
        /// @param y The denominator as an unsigned 60.18-decimal fixed-point number.
        /// @param result The quotient as an unsigned 60.18-decimal fixed-point number.
        function div(uint256 x, uint256 y) internal pure returns (uint256 result) {
            result = PRBMath.mulDiv(x, SCALE, y);
        }
        /// @notice Returns Euler's number as an unsigned 60.18-decimal fixed-point number.
        /// @dev See https://en.wikipedia.org/wiki/E_(mathematical_constant).
        function e() internal pure returns (uint256 result) {
            result = 2_718281828459045235;
        }
        /// @notice Calculates the natural exponent of x.
        ///
        /// @dev Based on the insight that e^x = 2^(x * log2(e)).
        ///
        /// Requirements:
        /// - All from "log2".
        /// - x must be less than 133.084258667509499441.
        ///
        /// @param x The exponent as an unsigned 60.18-decimal fixed-point number.
        /// @return result The result as an unsigned 60.18-decimal fixed-point number.
        function exp(uint256 x) internal pure returns (uint256 result) {
            // Without this check, the value passed to "exp2" would be greater than 192.
            if (x >= 133_084258667509499441) {
                revert PRBMathUD60x18__ExpInputTooBig(x);
            }
            // Do the fixed-point multiplication inline to save gas.
            unchecked {
                uint256 doubleScaleProduct = x * LOG2_E;
                result = exp2((doubleScaleProduct + HALF_SCALE) / SCALE);
            }
        }
        /// @notice Calculates the binary exponent of x using the binary fraction method.
        ///
        /// @dev See https://ethereum.stackexchange.com/q/79903/24693.
        ///
        /// Requirements:
        /// - x must be 192 or less.
        /// - The result must fit within MAX_UD60x18.
        ///
        /// @param x The exponent as an unsigned 60.18-decimal fixed-point number.
        /// @return result The result as an unsigned 60.18-decimal fixed-point number.
        function exp2(uint256 x) internal pure returns (uint256 result) {
            // 2^192 doesn't fit within the 192.64-bit format used internally in this function.
            if (x >= 192e18) {
                revert PRBMathUD60x18__Exp2InputTooBig(x);
            }
            unchecked {
                // Convert x to the 192.64-bit fixed-point format.
                uint256 x192x64 = (x << 64) / SCALE;
                // Pass x to the PRBMath.exp2 function, which uses the 192.64-bit fixed-point number representation.
                result = PRBMath.exp2(x192x64);
            }
        }
        /// @notice Yields the greatest unsigned 60.18 decimal fixed-point number less than or equal to x.
        /// @dev Optimized for fractional value inputs, because for every whole value there are (1e18 - 1) fractional counterparts.
        /// See https://en.wikipedia.org/wiki/Floor_and_ceiling_functions.
        /// @param x The unsigned 60.18-decimal fixed-point number to floor.
        /// @param result The greatest integer less than or equal to x, as an unsigned 60.18-decimal fixed-point number.
        function floor(uint256 x) internal pure returns (uint256 result) {
            assembly {
                // Equivalent to "x % SCALE" but faster.
                let remainder := mod(x, SCALE)
                // Equivalent to "x - remainder * (remainder > 0 ? 1 : 0)" but faster.
                result := sub(x, mul(remainder, gt(remainder, 0)))
            }
        }
        /// @notice Yields the excess beyond the floor of x.
        /// @dev Based on the odd function definition https://en.wikipedia.org/wiki/Fractional_part.
        /// @param x The unsigned 60.18-decimal fixed-point number to get the fractional part of.
        /// @param result The fractional part of x as an unsigned 60.18-decimal fixed-point number.
        function frac(uint256 x) internal pure returns (uint256 result) {
            assembly {
                result := mod(x, SCALE)
            }
        }
        /// @notice Converts a number from basic integer form to unsigned 60.18-decimal fixed-point representation.
        ///
        /// @dev Requirements:
        /// - x must be less than or equal to MAX_UD60x18 divided by SCALE.
        ///
        /// @param x The basic integer to convert.
        /// @param result The same number in unsigned 60.18-decimal fixed-point representation.
        function fromUint(uint256 x) internal pure returns (uint256 result) {
            unchecked {
                if (x > MAX_UD60x18 / SCALE) {
                    revert PRBMathUD60x18__FromUintOverflow(x);
                }
                result = x * SCALE;
            }
        }
        /// @notice Calculates geometric mean of x and y, i.e. sqrt(x * y), rounding down.
        ///
        /// @dev Requirements:
        /// - x * y must fit within MAX_UD60x18, lest it overflows.
        ///
        /// @param x The first operand as an unsigned 60.18-decimal fixed-point number.
        /// @param y The second operand as an unsigned 60.18-decimal fixed-point number.
        /// @return result The result as an unsigned 60.18-decimal fixed-point number.
        function gm(uint256 x, uint256 y) internal pure returns (uint256 result) {
            if (x == 0) {
                return 0;
            }
            unchecked {
                // Checking for overflow this way is faster than letting Solidity do it.
                uint256 xy = x * y;
                if (xy / x != y) {
                    revert PRBMathUD60x18__GmOverflow(x, y);
                }
                // We don't need to multiply by the SCALE here because the x*y product had already picked up a factor of SCALE
                // during multiplication. See the comments within the "sqrt" function.
                result = PRBMath.sqrt(xy);
            }
        }
        /// @notice Calculates 1 / x, rounding toward zero.
        ///
        /// @dev Requirements:
        /// - x cannot be zero.
        ///
        /// @param x The unsigned 60.18-decimal fixed-point number for which to calculate the inverse.
        /// @return result The inverse as an unsigned 60.18-decimal fixed-point number.
        function inv(uint256 x) internal pure returns (uint256 result) {
            unchecked {
                // 1e36 is SCALE * SCALE.
                result = 1e36 / x;
            }
        }
        /// @notice Calculates the natural logarithm of x.
        ///
        /// @dev Based on the insight that ln(x) = log2(x) / log2(e).
        ///
        /// Requirements:
        /// - All from "log2".
        ///
        /// Caveats:
        /// - All from "log2".
        /// - This doesn't return exactly 1 for 2.718281828459045235, for that we would need more fine-grained precision.
        ///
        /// @param x The unsigned 60.18-decimal fixed-point number for which to calculate the natural logarithm.
        /// @return result The natural logarithm as an unsigned 60.18-decimal fixed-point number.
        function ln(uint256 x) internal pure returns (uint256 result) {
            // Do the fixed-point multiplication inline to save gas. This is overflow-safe because the maximum value that log2(x)
            // can return is 196205294292027477728.
            unchecked {
                result = (log2(x) * SCALE) / LOG2_E;
            }
        }
        /// @notice Calculates the common logarithm of x.
        ///
        /// @dev First checks if x is an exact power of ten and it stops if yes. If it's not, calculates the common
        /// logarithm based on the insight that log10(x) = log2(x) / log2(10).
        ///
        /// Requirements:
        /// - All from "log2".
        ///
        /// Caveats:
        /// - All from "log2".
        ///
        /// @param x The unsigned 60.18-decimal fixed-point number for which to calculate the common logarithm.
        /// @return result The common logarithm as an unsigned 60.18-decimal fixed-point number.
        function log10(uint256 x) internal pure returns (uint256 result) {
            if (x < SCALE) {
                revert PRBMathUD60x18__LogInputTooSmall(x);
            }
            // Note that the "mul" in this block is the assembly multiplication operation, not the "mul" function defined
            // in this contract.
            // prettier-ignore
            assembly {
                switch x
                case 1 { result := mul(SCALE, sub(0, 18)) }
                case 10 { result := mul(SCALE, sub(1, 18)) }
                case 100 { result := mul(SCALE, sub(2, 18)) }
                case 1000 { result := mul(SCALE, sub(3, 18)) }
                case 10000 { result := mul(SCALE, sub(4, 18)) }
                case 100000 { result := mul(SCALE, sub(5, 18)) }
                case 1000000 { result := mul(SCALE, sub(6, 18)) }
                case 10000000 { result := mul(SCALE, sub(7, 18)) }
                case 100000000 { result := mul(SCALE, sub(8, 18)) }
                case 1000000000 { result := mul(SCALE, sub(9, 18)) }
                case 10000000000 { result := mul(SCALE, sub(10, 18)) }
                case 100000000000 { result := mul(SCALE, sub(11, 18)) }
                case 1000000000000 { result := mul(SCALE, sub(12, 18)) }
                case 10000000000000 { result := mul(SCALE, sub(13, 18)) }
                case 100000000000000 { result := mul(SCALE, sub(14, 18)) }
                case 1000000000000000 { result := mul(SCALE, sub(15, 18)) }
                case 10000000000000000 { result := mul(SCALE, sub(16, 18)) }
                case 100000000000000000 { result := mul(SCALE, sub(17, 18)) }
                case 1000000000000000000 { result := 0 }
                case 10000000000000000000 { result := SCALE }
                case 100000000000000000000 { result := mul(SCALE, 2) }
                case 1000000000000000000000 { result := mul(SCALE, 3) }
                case 10000000000000000000000 { result := mul(SCALE, 4) }
                case 100000000000000000000000 { result := mul(SCALE, 5) }
                case 1000000000000000000000000 { result := mul(SCALE, 6) }
                case 10000000000000000000000000 { result := mul(SCALE, 7) }
                case 100000000000000000000000000 { result := mul(SCALE, 8) }
                case 1000000000000000000000000000 { result := mul(SCALE, 9) }
                case 10000000000000000000000000000 { result := mul(SCALE, 10) }
                case 100000000000000000000000000000 { result := mul(SCALE, 11) }
                case 1000000000000000000000000000000 { result := mul(SCALE, 12) }
                case 10000000000000000000000000000000 { result := mul(SCALE, 13) }
                case 100000000000000000000000000000000 { result := mul(SCALE, 14) }
                case 1000000000000000000000000000000000 { result := mul(SCALE, 15) }
                case 10000000000000000000000000000000000 { result := mul(SCALE, 16) }
                case 100000000000000000000000000000000000 { result := mul(SCALE, 17) }
                case 1000000000000000000000000000000000000 { result := mul(SCALE, 18) }
                case 10000000000000000000000000000000000000 { result := mul(SCALE, 19) }
                case 100000000000000000000000000000000000000 { result := mul(SCALE, 20) }
                case 1000000000000000000000000000000000000000 { result := mul(SCALE, 21) }
                case 10000000000000000000000000000000000000000 { result := mul(SCALE, 22) }
                case 100000000000000000000000000000000000000000 { result := mul(SCALE, 23) }
                case 1000000000000000000000000000000000000000000 { result := mul(SCALE, 24) }
                case 10000000000000000000000000000000000000000000 { result := mul(SCALE, 25) }
                case 100000000000000000000000000000000000000000000 { result := mul(SCALE, 26) }
                case 1000000000000000000000000000000000000000000000 { result := mul(SCALE, 27) }
                case 10000000000000000000000000000000000000000000000 { result := mul(SCALE, 28) }
                case 100000000000000000000000000000000000000000000000 { result := mul(SCALE, 29) }
                case 1000000000000000000000000000000000000000000000000 { result := mul(SCALE, 30) }
                case 10000000000000000000000000000000000000000000000000 { result := mul(SCALE, 31) }
                case 100000000000000000000000000000000000000000000000000 { result := mul(SCALE, 32) }
                case 1000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 33) }
                case 10000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 34) }
                case 100000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 35) }
                case 1000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 36) }
                case 10000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 37) }
                case 100000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 38) }
                case 1000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 39) }
                case 10000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 40) }
                case 100000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 41) }
                case 1000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 42) }
                case 10000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 43) }
                case 100000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 44) }
                case 1000000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 45) }
                case 10000000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 46) }
                case 100000000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 47) }
                case 1000000000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 48) }
                case 10000000000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 49) }
                case 100000000000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 50) }
                case 1000000000000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 51) }
                case 10000000000000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 52) }
                case 100000000000000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 53) }
                case 1000000000000000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 54) }
                case 10000000000000000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 55) }
                case 100000000000000000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 56) }
                case 1000000000000000000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 57) }
                case 10000000000000000000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 58) }
                case 100000000000000000000000000000000000000000000000000000000000000000000000000000 { result := mul(SCALE, 59) }
                default {
                    result := MAX_UD60x18
                }
            }
            if (result == MAX_UD60x18) {
                // Do the fixed-point division inline to save gas. The denominator is log2(10).
                unchecked {
                    result = (log2(x) * SCALE) / 3_321928094887362347;
                }
            }
        }
        /// @notice Calculates the binary logarithm of x.
        ///
        /// @dev Based on the iterative approximation algorithm.
        /// https://en.wikipedia.org/wiki/Binary_logarithm#Iterative_approximation
        ///
        /// Requirements:
        /// - x must be greater than or equal to SCALE, otherwise the result would be negative.
        ///
        /// Caveats:
        /// - The results are nor perfectly accurate to the last decimal, due to the lossy precision of the iterative approximation.
        ///
        /// @param x The unsigned 60.18-decimal fixed-point number for which to calculate the binary logarithm.
        /// @return result The binary logarithm as an unsigned 60.18-decimal fixed-point number.
        function log2(uint256 x) internal pure returns (uint256 result) {
            if (x < SCALE) {
                revert PRBMathUD60x18__LogInputTooSmall(x);
            }
            unchecked {
                // Calculate the integer part of the logarithm and add it to the result and finally calculate y = x * 2^(-n).
                uint256 n = PRBMath.mostSignificantBit(x / SCALE);
                // The integer part of the logarithm as an unsigned 60.18-decimal fixed-point number. The operation can't overflow
                // because n is maximum 255 and SCALE is 1e18.
                result = n * SCALE;
                // This is y = x * 2^(-n).
                uint256 y = x >> n;
                // If y = 1, the fractional part is zero.
                if (y == SCALE) {
                    return result;
                }
                // Calculate the fractional part via the iterative approximation.
                // The "delta >>= 1" part is equivalent to "delta /= 2", but shifting bits is faster.
                for (uint256 delta = HALF_SCALE; delta > 0; delta >>= 1) {
                    y = (y * y) / SCALE;
                    // Is y^2 > 2 and so in the range [2,4)?
                    if (y >= 2 * SCALE) {
                        // Add the 2^(-m) factor to the logarithm.
                        result += delta;
                        // Corresponds to z/2 on Wikipedia.
                        y >>= 1;
                    }
                }
            }
        }
        /// @notice Multiplies two unsigned 60.18-decimal fixed-point numbers together, returning a new unsigned 60.18-decimal
        /// fixed-point number.
        /// @dev See the documentation for the "PRBMath.mulDivFixedPoint" function.
        /// @param x The multiplicand as an unsigned 60.18-decimal fixed-point number.
        /// @param y The multiplier as an unsigned 60.18-decimal fixed-point number.
        /// @return result The product as an unsigned 60.18-decimal fixed-point number.
        function mul(uint256 x, uint256 y) internal pure returns (uint256 result) {
            result = PRBMath.mulDivFixedPoint(x, y);
        }
        /// @notice Returns PI as an unsigned 60.18-decimal fixed-point number.
        function pi() internal pure returns (uint256 result) {
            result = 3_141592653589793238;
        }
        /// @notice Raises x to the power of y.
        ///
        /// @dev Based on the insight that x^y = 2^(log2(x) * y).
        ///
        /// Requirements:
        /// - All from "exp2", "log2" and "mul".
        ///
        /// Caveats:
        /// - All from "exp2", "log2" and "mul".
        /// - Assumes 0^0 is 1.
        ///
        /// @param x Number to raise to given power y, as an unsigned 60.18-decimal fixed-point number.
        /// @param y Exponent to raise x to, as an unsigned 60.18-decimal fixed-point number.
        /// @return result x raised to power y, as an unsigned 60.18-decimal fixed-point number.
        function pow(uint256 x, uint256 y) internal pure returns (uint256 result) {
            if (x == 0) {
                result = y == 0 ? SCALE : uint256(0);
            } else {
                result = exp2(mul(log2(x), y));
            }
        }
        /// @notice Raises x (unsigned 60.18-decimal fixed-point number) to the power of y (basic unsigned integer) using the
        /// famous algorithm "exponentiation by squaring".
        ///
        /// @dev See https://en.wikipedia.org/wiki/Exponentiation_by_squaring
        ///
        /// Requirements:
        /// - The result must fit within MAX_UD60x18.
        ///
        /// Caveats:
        /// - All from "mul".
        /// - Assumes 0^0 is 1.
        ///
        /// @param x The base as an unsigned 60.18-decimal fixed-point number.
        /// @param y The exponent as an uint256.
        /// @return result The result as an unsigned 60.18-decimal fixed-point number.
        function powu(uint256 x, uint256 y) internal pure returns (uint256 result) {
            // Calculate the first iteration of the loop in advance.
            result = y & 1 > 0 ? x : SCALE;
            // Equivalent to "for(y /= 2; y > 0; y /= 2)" but faster.
            for (y >>= 1; y > 0; y >>= 1) {
                x = PRBMath.mulDivFixedPoint(x, x);
                // Equivalent to "y % 2 == 1" but faster.
                if (y & 1 > 0) {
                    result = PRBMath.mulDivFixedPoint(result, x);
                }
            }
        }
        /// @notice Returns 1 as an unsigned 60.18-decimal fixed-point number.
        function scale() internal pure returns (uint256 result) {
            result = SCALE;
        }
        /// @notice Calculates the square root of x, rounding down.
        /// @dev Uses the Babylonian method https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method.
        ///
        /// Requirements:
        /// - x must be less than MAX_UD60x18 / SCALE.
        ///
        /// @param x The unsigned 60.18-decimal fixed-point number for which to calculate the square root.
        /// @return result The result as an unsigned 60.18-decimal fixed-point .
        function sqrt(uint256 x) internal pure returns (uint256 result) {
            unchecked {
                if (x > MAX_UD60x18 / SCALE) {
                    revert PRBMathUD60x18__SqrtOverflow(x);
                }
                // Multiply x by the SCALE to account for the factor of SCALE that is picked up when multiplying two unsigned
                // 60.18-decimal fixed-point numbers together (in this case, those two numbers are both the square root).
                result = PRBMath.sqrt(x * SCALE);
            }
        }
        /// @notice Converts a unsigned 60.18-decimal fixed-point number to basic integer form, rounding down in the process.
        /// @param x The unsigned 60.18-decimal fixed-point number to convert.
        /// @return result The same number in basic integer form.
        function toUint(uint256 x) internal pure returns (uint256 result) {
            unchecked {
                result = x / SCALE;
            }
        }
    }
    pragma solidity ^0.8.13;
    library Base64 {
        bytes internal constant TABLE =
            "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
        /// @notice Encodes some bytes to the base64 representation
        function encode(bytes memory data) internal pure returns (string memory) {
            uint256 len = data.length;
            if (len == 0) return "";
            // multiply by 4/3 rounded up
            uint256 encodedLen = 4 * ((len + 2) / 3);
            // Add some extra buffer at the end
            bytes memory result = new bytes(encodedLen + 32);
            bytes memory table = TABLE;
            assembly {
                let tablePtr := add(table, 1)
                let resultPtr := add(result, 32)
                for {
                    let i := 0
                } lt(i, len) {
                } {
                    i := add(i, 3)
                    let input := and(mload(add(data, i)), 0xffffff)
                    let out := mload(add(tablePtr, and(shr(18, input), 0x3F)))
                    out := shl(8, out)
                    out := add(
                        out,
                        and(mload(add(tablePtr, and(shr(12, input), 0x3F))), 0xFF)
                    )
                    out := shl(8, out)
                    out := add(
                        out,
                        and(mload(add(tablePtr, and(shr(6, input), 0x3F))), 0xFF)
                    )
                    out := shl(8, out)
                    out := add(
                        out,
                        and(mload(add(tablePtr, and(input, 0x3F))), 0xFF)
                    )
                    out := shl(224, out)
                    mstore(resultPtr, out)
                    resultPtr := add(resultPtr, 4)
                }
                switch mod(len, 3)
                case 1 {
                    mstore(sub(resultPtr, 2), shl(240, 0x3d3d))
                }
                case 2 {
                    mstore(sub(resultPtr, 1), shl(248, 0x3d))
                }
                mstore(result, encodedLen)
            }
            return string(result);
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.13;
    import "ERC721A/ERC721A.sol";
    import "solmate/utils/SSTORE2.sol";
    import "solmate/auth/Owned.sol";
    import "solmate/utils/LibString.sol";
    import "solmate/utils/ReentrancyGuard.sol";
    import "openzeppelin-contracts/utils/Address.sol";
    import "prb-math/PRBMathUD60x18.sol";
    import "./TheLPTraits.sol";
    import "./Base64.sol";
    contract TheLPRenderer is Owned {
        using LibString for uint256;
        TheLPTraits traitsMetadata;
        address public traitsImagePointer;
        string description =
            "AN EXPERIMENTAL APPROACH TO BOOTSTRAPPING NFT LIQUIDITY AND REWARDING HOLDERS";
        error TraitsImageAlreadySet();
        constructor(TheLPTraits _traitsMetadata) Owned(msg.sender) {
            traitsMetadata = _traitsMetadata;
        }
        function setTraitsImage(string calldata data) external onlyOwner {
            if (traitsImagePointer != address(0)) {
                revert TraitsImageAlreadySet();
            }
            traitsImagePointer = SSTORE2.write(bytes(data));
        }
        function getTraitsImage() public view returns (string memory) {
            return string(SSTORE2.read(traitsImagePointer));
        }
        function updateDescription(string memory d) public onlyOwner {
            description = d;
        }
        function _r(
            uint256 seed,
            uint256 from,
            uint256 to
        ) private pure returns (uint256) {
            return from + (seed % (to - from + 1));
        }
        function _svgStart() private view returns (string memory) {
            return
                string(
                    abi.encodePacked(
                        '<svg version="1.1" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 40 40" height="350" width="350"><defs><image height="1120" width="120" image-rendering="pixelated" id="s" href="',
                        getTraitsImage(),
                        '" /><clipPath id="c"><rect width="40" height="40" /></clipPath></defs><g clip-path="url(#c)">'
                    )
                );
        }
        struct Traits {
            uint256 back;
            uint256 pants;
            uint256 shirt;
            uint256 logo;
            uint256 clothingItem;
            uint256 gloves;
            uint256 hat;
            uint256 kitFront;
            uint256 hand;
        }
        struct Seeds {
            uint256 one;
            uint256 two;
            uint256 three;
            uint256 four;
            uint256 five;
            uint256 six;
            uint256 seven;
            uint256 eight;
            uint256 nine;
            uint256 ten;
        }
        function _getUseString(uint256 col, uint256 row)
            private
            pure
            returns (string memory)
        {
            return
                string(
                    abi.encodePacked(
                        "<use height='40' width='40' href='#s' x='-",
                        col.toString(),
                        "' y='-",
                        row.toString(),
                        "' />"
                    )
                );
        }
        function getSvgDataUri(bytes32 seed) public view returns (string memory) {
            return
                string(
                    abi.encodePacked(
                        "data:image/svg+xml;base64,",
                        Base64.encode(bytes(getSvg(seed)))
                    )
                );
        }
        function _getSvgDataUri(uint256[11] memory traits)
            private
            view
            returns (string memory)
        {
            return
                string(
                    abi.encodePacked(
                        "data:image/svg+xml;base64,",
                        Base64.encode(bytes(_getSvg(traits)))
                    )
                );
        }
        function getJsonUri(uint256 tokenId, bytes32 seed)
            public
            view
            returns (string memory)
        {
            return
                string(
                    abi.encodePacked(
                        "data:application/json;base64,",
                        Base64.encode(bytes(getJsonString(tokenId, seed)))
                    )
                );
        }
        function getJsonString(uint256 tokenId, bytes32 seed)
            public
            view
            returns (string memory)
        {
            uint256[11] memory traits = getTraits(seed);
            return
                string(
                    abi.encodePacked(
                        '{"name": "The LP #',
                        tokenId.toString(),
                        '", "description": "',
                        description,
                        '",',
                        '"image":"',
                        _getSvgDataUri(traits),
                        '","attributes":[',
                        _getTraitMetadata(traits),
                        "]}"
                    )
                );
        }
        function _getTraitString(string memory key, string memory value)
            private
            pure
            returns (string memory)
        {
            return
                string(
                    abi.encodePacked(
                        '{"trait_type":"',
                        key,
                        '","value":"',
                        value,
                        '"}'
                    )
                );
        }
        function _getTraitMetadata(uint256[11] memory traits)
            private
            view
            returns (string memory)
        {
            string[9] memory parts;
            for (uint256 i = 0; i < traits.length; i++) {
                uint256 current = traits[i];
                if (i == 0 && current != 0) {
                    parts[i] = _getTraitString(
                        "Back",
                        traitsMetadata.getBack(current)
                    );
                }
                if (i == 1 && current != 0) {
                    parts[i] = _getTraitString(
                        "Pants",
                        traitsMetadata.getPants(current)
                    );
                }
                if (i == 2 && current != 0) {
                    parts[i] = _getTraitString(
                        "Shirt",
                        traitsMetadata.getShirt(current)
                    );
                }
                if (i == 3 && current != 0) {
                    parts[i] = _getTraitString(
                        "Logo",
                        traitsMetadata.getLogo(current)
                    );
                }
                if (i == 4 && current != 0) {
                    parts[i] = _getTraitString(
                        "Clothing item",
                        traitsMetadata.getClothingItem(current)
                    );
                }
                if (i == 5 && current != 0) {
                    parts[i] = _getTraitString(
                        "Gloves",
                        traitsMetadata.getGloves(current)
                    );
                }
                if (i == 6 && current != 0) {
                    parts[i] = _getTraitString(
                        "Hat",
                        traitsMetadata.getHat(current)
                    );
                }
                if (i == 8 && current != 0) {
                    parts[7] = _getTraitString(
                        "Item",
                        traitsMetadata.getItem(current)
                    );
                }
                if (i == 9 && current != 0) {
                    parts[8] = _getTraitString(
                        "Special",
                        traitsMetadata.getSpecial(current)
                    );
                }
            }
            string memory output;
            for (uint256 i = 0; i < parts.length; i++) {
                if (bytes(parts[i]).length > 0) {
                    output = string(
                        abi.encodePacked(
                            output,
                            bytes(output).length > 0 ? "," : "",
                            parts[i]
                        )
                    );
                }
            }
            return output;
        }
        function getTraits(bytes32 _seed)
            public
            pure
            returns (uint256[11] memory traits)
        {
            uint256 seed = uint256(_seed);
            Seeds memory seeds = Seeds({
                one: uint256(uint16(seed >> 16)),
                two: uint256(uint16(seed >> 32)),
                three: uint256(uint16(seed >> 48)),
                four: uint256(uint16(seed >> 64)),
                five: uint256(uint16(seed >> 80)),
                six: uint256(uint16(seed >> 96)),
                seven: uint256(uint16(seed >> 112)),
                eight: uint256(uint16(seed >> 128)),
                nine: uint256(uint16(seed >> 144)),
                ten: uint256(uint16(seed >> 160))
            });
            bool hasShirt = _r(seeds.three, 1, 100) <= 96;
            traits = [
                // back
                _r(seeds.one, 1, 100) <= 10 ? _r(seeds.one, 1, 2) : 0,
                // pants
                _r(seeds.two, 1, 100) <= 2 ? 0 : _r(seeds.two, 1, 100) <= 50
                    ? _r(seed, 59, 62)
                    : _r(seed, 72, 75),
                // shirt
                hasShirt ? _r(seeds.three, 76, 83) : 0,
                // logo
                hasShirt && _r(seeds.four, 1, 100) <= 50
                    ? _r(seeds.four, 50, 58)
                    : 0,
                // clothing item
                _r(seeds.five, 1, 100) <= 25 ? _r(seeds.five, 3, 15) : 0,
                // gloves
                _r(seeds.six, 1, 100) <= 50 ? _r(seeds.six, 16, 17) : 0,
                //hat
                _r(seeds.seven, 1, 100) <= 60 ? _r(seeds.seven, 18, 39) : 0,
                //kit front
                0,
                // hand
                _r(seeds.eight + 1, 1, 100) <= 25 ? _r(seeds.eight, 63, 71) : 0,
                // kit
                _r(seeds.nine, 1, 100) <= 10 ? _r(seeds.nine, 1, 4) : 0,
                // bg
                _r(seeds.ten, 0, 4)
            ];
            uint256 kit = traits[9];
            if (kit != 0) {
                if (kit == 1) {
                    traits[0] = 49;
                    traits[7] = 40;
                }
                if (kit == 2) {
                    traits[0] = 41;
                    traits[7] = 42;
                    traits[6] = 43;
                }
                if (kit == 3) {
                    traits[7] = 45;
                    traits[0] = 44;
                }
                if (kit == 4) {
                    traits[0] = 46;
                    traits[7] = 47;
                    traits[6] = 48;
                }
            }
        }
        function getSvg(bytes32 _seed) public view returns (string memory) {
            uint256[11] memory traits = getTraits(_seed);
            return _getSvg(traits);
        }
        function _getPart(uint256 tile) internal pure returns (string memory) {
            uint256 col = (tile % 3) * 40;
            uint256 row = (tile / 3) * 40;
            return _getUseString(col, row);
        }
        function _getSvg(uint256[11] memory traits)
            private
            view
            returns (string memory)
        {
            string memory partString = string(
                abi.encodePacked(
                    traits[0] != 0 ? _getPart(traits[0]) : "",
                    _getUseString(0, 0)
                )
            );
            for (uint256 i = 1; i < 9; i++) {
                uint256 tile = traits[i];
                if (tile == 0) {
                    continue;
                }
                partString = string(abi.encodePacked(partString, _getPart(tile)));
            }
            return
                string(
                    abi.encodePacked(
                        _svgStart(),
                        "<rect width='40' height='40' fill='",
                        traitsMetadata.colors(traits[10]),
                        "' />",
                        partString,
                        "</g></svg>"
                    )
                );
        }
    }
    // SPDX-License-Identifier: MIT
    // ERC721A Contracts v4.2.3
    // Creator: Chiru Labs
    pragma solidity ^0.8.4;
    import '../IERC721A.sol';
    /**
     * @dev Interface of ERC721AQueryable.
     */
    interface IERC721AQueryable is IERC721A {
        /**
         * Invalid query range (`start` >= `stop`).
         */
        error InvalidQueryRange();
        /**
         * @dev Returns the `TokenOwnership` struct at `tokenId` without reverting.
         *
         * If the `tokenId` is out of bounds:
         *
         * - `addr = address(0)`
         * - `startTimestamp = 0`
         * - `burned = false`
         * - `extraData = 0`
         *
         * If the `tokenId` is burned:
         *
         * - `addr = <Address of owner before token was burned>`
         * - `startTimestamp = <Timestamp when token was burned>`
         * - `burned = true`
         * - `extraData = <Extra data when token was burned>`
         *
         * Otherwise:
         *
         * - `addr = <Address of owner>`
         * - `startTimestamp = <Timestamp of start of ownership>`
         * - `burned = false`
         * - `extraData = <Extra data at start of ownership>`
         */
        function explicitOwnershipOf(uint256 tokenId) external view returns (TokenOwnership memory);
        /**
         * @dev Returns an array of `TokenOwnership` structs at `tokenIds` in order.
         * See {ERC721AQueryable-explicitOwnershipOf}
         */
        function explicitOwnershipsOf(uint256[] memory tokenIds) external view returns (TokenOwnership[] memory);
        /**
         * @dev Returns an array of token IDs owned by `owner`,
         * in the range [`start`, `stop`)
         * (i.e. `start <= tokenId < stop`).
         *
         * This function allows for tokens to be queried if the collection
         * grows too big for a single call of {ERC721AQueryable-tokensOfOwner}.
         *
         * Requirements:
         *
         * - `start < stop`
         */
        function tokensOfOwnerIn(
            address owner,
            uint256 start,
            uint256 stop
        ) external view returns (uint256[] memory);
        /**
         * @dev Returns an array of token IDs owned by `owner`.
         *
         * This function scans the ownership mapping and is O(`totalSupply`) in complexity.
         * It is meant to be called off-chain.
         *
         * See {ERC721AQueryable-tokensOfOwnerIn} for splitting the scan into
         * multiple smaller scans if the collection is large enough to cause
         * an out-of-gas error (10K collections should be fine).
         */
        function tokensOfOwner(address owner) external view returns (uint256[] memory);
    }
    // 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) internal _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: Unlicense
    pragma solidity >=0.8.4;
    /// @notice Emitted when the result overflows uint256.
    error PRBMath__MulDivFixedPointOverflow(uint256 prod1);
    /// @notice Emitted when the result overflows uint256.
    error PRBMath__MulDivOverflow(uint256 prod1, uint256 denominator);
    /// @notice Emitted when one of the inputs is type(int256).min.
    error PRBMath__MulDivSignedInputTooSmall();
    /// @notice Emitted when the intermediary absolute result overflows int256.
    error PRBMath__MulDivSignedOverflow(uint256 rAbs);
    /// @notice Emitted when the input is MIN_SD59x18.
    error PRBMathSD59x18__AbsInputTooSmall();
    /// @notice Emitted when ceiling a number overflows SD59x18.
    error PRBMathSD59x18__CeilOverflow(int256 x);
    /// @notice Emitted when one of the inputs is MIN_SD59x18.
    error PRBMathSD59x18__DivInputTooSmall();
    /// @notice Emitted when one of the intermediary unsigned results overflows SD59x18.
    error PRBMathSD59x18__DivOverflow(uint256 rAbs);
    /// @notice Emitted when the input is greater than 133.084258667509499441.
    error PRBMathSD59x18__ExpInputTooBig(int256 x);
    /// @notice Emitted when the input is greater than 192.
    error PRBMathSD59x18__Exp2InputTooBig(int256 x);
    /// @notice Emitted when flooring a number underflows SD59x18.
    error PRBMathSD59x18__FloorUnderflow(int256 x);
    /// @notice Emitted when converting a basic integer to the fixed-point format overflows SD59x18.
    error PRBMathSD59x18__FromIntOverflow(int256 x);
    /// @notice Emitted when converting a basic integer to the fixed-point format underflows SD59x18.
    error PRBMathSD59x18__FromIntUnderflow(int256 x);
    /// @notice Emitted when the product of the inputs is negative.
    error PRBMathSD59x18__GmNegativeProduct(int256 x, int256 y);
    /// @notice Emitted when multiplying the inputs overflows SD59x18.
    error PRBMathSD59x18__GmOverflow(int256 x, int256 y);
    /// @notice Emitted when the input is less than or equal to zero.
    error PRBMathSD59x18__LogInputTooSmall(int256 x);
    /// @notice Emitted when one of the inputs is MIN_SD59x18.
    error PRBMathSD59x18__MulInputTooSmall();
    /// @notice Emitted when the intermediary absolute result overflows SD59x18.
    error PRBMathSD59x18__MulOverflow(uint256 rAbs);
    /// @notice Emitted when the intermediary absolute result overflows SD59x18.
    error PRBMathSD59x18__PowuOverflow(uint256 rAbs);
    /// @notice Emitted when the input is negative.
    error PRBMathSD59x18__SqrtNegativeInput(int256 x);
    /// @notice Emitted when the calculating the square root overflows SD59x18.
    error PRBMathSD59x18__SqrtOverflow(int256 x);
    /// @notice Emitted when addition overflows UD60x18.
    error PRBMathUD60x18__AddOverflow(uint256 x, uint256 y);
    /// @notice Emitted when ceiling a number overflows UD60x18.
    error PRBMathUD60x18__CeilOverflow(uint256 x);
    /// @notice Emitted when the input is greater than 133.084258667509499441.
    error PRBMathUD60x18__ExpInputTooBig(uint256 x);
    /// @notice Emitted when the input is greater than 192.
    error PRBMathUD60x18__Exp2InputTooBig(uint256 x);
    /// @notice Emitted when converting a basic integer to the fixed-point format format overflows UD60x18.
    error PRBMathUD60x18__FromUintOverflow(uint256 x);
    /// @notice Emitted when multiplying the inputs overflows UD60x18.
    error PRBMathUD60x18__GmOverflow(uint256 x, uint256 y);
    /// @notice Emitted when the input is less than 1.
    error PRBMathUD60x18__LogInputTooSmall(uint256 x);
    /// @notice Emitted when the calculating the square root overflows UD60x18.
    error PRBMathUD60x18__SqrtOverflow(uint256 x);
    /// @notice Emitted when subtraction underflows UD60x18.
    error PRBMathUD60x18__SubUnderflow(uint256 x, uint256 y);
    /// @dev Common mathematical functions used in both PRBMathSD59x18 and PRBMathUD60x18. Note that this shared library
    /// does not always assume the signed 59.18-decimal fixed-point or the unsigned 60.18-decimal fixed-point
    /// representation. When it does not, it is explicitly mentioned in the NatSpec documentation.
    library PRBMath {
        /// STRUCTS ///
        struct SD59x18 {
            int256 value;
        }
        struct UD60x18 {
            uint256 value;
        }
        /// STORAGE ///
        /// @dev How many trailing decimals can be represented.
        uint256 internal constant SCALE = 1e18;
        /// @dev Largest power of two divisor of SCALE.
        uint256 internal constant SCALE_LPOTD = 262144;
        /// @dev SCALE inverted mod 2^256.
        uint256 internal constant SCALE_INVERSE =
            78156646155174841979727994598816262306175212592076161876661_508869554232690281;
        /// FUNCTIONS ///
        /// @notice Calculates the binary exponent of x using the binary fraction method.
        /// @dev Has to use 192.64-bit fixed-point numbers.
        /// See https://ethereum.stackexchange.com/a/96594/24693.
        /// @param x The exponent as an unsigned 192.64-bit fixed-point number.
        /// @return result The result as an unsigned 60.18-decimal fixed-point number.
        function exp2(uint256 x) internal pure returns (uint256 result) {
            unchecked {
                // Start from 0.5 in the 192.64-bit fixed-point format.
                result = 0x800000000000000000000000000000000000000000000000;
                // Multiply the result by root(2, 2^-i) when the bit at position i is 1. None of the intermediary results overflows
                // because the initial result is 2^191 and all magic factors are less than 2^65.
                if (x & 0x8000000000000000 > 0) {
                    result = (result * 0x16A09E667F3BCC909) >> 64;
                }
                if (x & 0x4000000000000000 > 0) {
                    result = (result * 0x1306FE0A31B7152DF) >> 64;
                }
                if (x & 0x2000000000000000 > 0) {
                    result = (result * 0x1172B83C7D517ADCE) >> 64;
                }
                if (x & 0x1000000000000000 > 0) {
                    result = (result * 0x10B5586CF9890F62A) >> 64;
                }
                if (x & 0x800000000000000 > 0) {
                    result = (result * 0x1059B0D31585743AE) >> 64;
                }
                if (x & 0x400000000000000 > 0) {
                    result = (result * 0x102C9A3E778060EE7) >> 64;
                }
                if (x & 0x200000000000000 > 0) {
                    result = (result * 0x10163DA9FB33356D8) >> 64;
                }
                if (x & 0x100000000000000 > 0) {
                    result = (result * 0x100B1AFA5ABCBED61) >> 64;
                }
                if (x & 0x80000000000000 > 0) {
                    result = (result * 0x10058C86DA1C09EA2) >> 64;
                }
                if (x & 0x40000000000000 > 0) {
                    result = (result * 0x1002C605E2E8CEC50) >> 64;
                }
                if (x & 0x20000000000000 > 0) {
                    result = (result * 0x100162F3904051FA1) >> 64;
                }
                if (x & 0x10000000000000 > 0) {
                    result = (result * 0x1000B175EFFDC76BA) >> 64;
                }
                if (x & 0x8000000000000 > 0) {
                    result = (result * 0x100058BA01FB9F96D) >> 64;
                }
                if (x & 0x4000000000000 > 0) {
                    result = (result * 0x10002C5CC37DA9492) >> 64;
                }
                if (x & 0x2000000000000 > 0) {
                    result = (result * 0x1000162E525EE0547) >> 64;
                }
                if (x & 0x1000000000000 > 0) {
                    result = (result * 0x10000B17255775C04) >> 64;
                }
                if (x & 0x800000000000 > 0) {
                    result = (result * 0x1000058B91B5BC9AE) >> 64;
                }
                if (x & 0x400000000000 > 0) {
                    result = (result * 0x100002C5C89D5EC6D) >> 64;
                }
                if (x & 0x200000000000 > 0) {
                    result = (result * 0x10000162E43F4F831) >> 64;
                }
                if (x & 0x100000000000 > 0) {
                    result = (result * 0x100000B1721BCFC9A) >> 64;
                }
                if (x & 0x80000000000 > 0) {
                    result = (result * 0x10000058B90CF1E6E) >> 64;
                }
                if (x & 0x40000000000 > 0) {
                    result = (result * 0x1000002C5C863B73F) >> 64;
                }
                if (x & 0x20000000000 > 0) {
                    result = (result * 0x100000162E430E5A2) >> 64;
                }
                if (x & 0x10000000000 > 0) {
                    result = (result * 0x1000000B172183551) >> 64;
                }
                if (x & 0x8000000000 > 0) {
                    result = (result * 0x100000058B90C0B49) >> 64;
                }
                if (x & 0x4000000000 > 0) {
                    result = (result * 0x10000002C5C8601CC) >> 64;
                }
                if (x & 0x2000000000 > 0) {
                    result = (result * 0x1000000162E42FFF0) >> 64;
                }
                if (x & 0x1000000000 > 0) {
                    result = (result * 0x10000000B17217FBB) >> 64;
                }
                if (x & 0x800000000 > 0) {
                    result = (result * 0x1000000058B90BFCE) >> 64;
                }
                if (x & 0x400000000 > 0) {
                    result = (result * 0x100000002C5C85FE3) >> 64;
                }
                if (x & 0x200000000 > 0) {
                    result = (result * 0x10000000162E42FF1) >> 64;
                }
                if (x & 0x100000000 > 0) {
                    result = (result * 0x100000000B17217F8) >> 64;
                }
                if (x & 0x80000000 > 0) {
                    result = (result * 0x10000000058B90BFC) >> 64;
                }
                if (x & 0x40000000 > 0) {
                    result = (result * 0x1000000002C5C85FE) >> 64;
                }
                if (x & 0x20000000 > 0) {
                    result = (result * 0x100000000162E42FF) >> 64;
                }
                if (x & 0x10000000 > 0) {
                    result = (result * 0x1000000000B17217F) >> 64;
                }
                if (x & 0x8000000 > 0) {
                    result = (result * 0x100000000058B90C0) >> 64;
                }
                if (x & 0x4000000 > 0) {
                    result = (result * 0x10000000002C5C860) >> 64;
                }
                if (x & 0x2000000 > 0) {
                    result = (result * 0x1000000000162E430) >> 64;
                }
                if (x & 0x1000000 > 0) {
                    result = (result * 0x10000000000B17218) >> 64;
                }
                if (x & 0x800000 > 0) {
                    result = (result * 0x1000000000058B90C) >> 64;
                }
                if (x & 0x400000 > 0) {
                    result = (result * 0x100000000002C5C86) >> 64;
                }
                if (x & 0x200000 > 0) {
                    result = (result * 0x10000000000162E43) >> 64;
                }
                if (x & 0x100000 > 0) {
                    result = (result * 0x100000000000B1721) >> 64;
                }
                if (x & 0x80000 > 0) {
                    result = (result * 0x10000000000058B91) >> 64;
                }
                if (x & 0x40000 > 0) {
                    result = (result * 0x1000000000002C5C8) >> 64;
                }
                if (x & 0x20000 > 0) {
                    result = (result * 0x100000000000162E4) >> 64;
                }
                if (x & 0x10000 > 0) {
                    result = (result * 0x1000000000000B172) >> 64;
                }
                if (x & 0x8000 > 0) {
                    result = (result * 0x100000000000058B9) >> 64;
                }
                if (x & 0x4000 > 0) {
                    result = (result * 0x10000000000002C5D) >> 64;
                }
                if (x & 0x2000 > 0) {
                    result = (result * 0x1000000000000162E) >> 64;
                }
                if (x & 0x1000 > 0) {
                    result = (result * 0x10000000000000B17) >> 64;
                }
                if (x & 0x800 > 0) {
                    result = (result * 0x1000000000000058C) >> 64;
                }
                if (x & 0x400 > 0) {
                    result = (result * 0x100000000000002C6) >> 64;
                }
                if (x & 0x200 > 0) {
                    result = (result * 0x10000000000000163) >> 64;
                }
                if (x & 0x100 > 0) {
                    result = (result * 0x100000000000000B1) >> 64;
                }
                if (x & 0x80 > 0) {
                    result = (result * 0x10000000000000059) >> 64;
                }
                if (x & 0x40 > 0) {
                    result = (result * 0x1000000000000002C) >> 64;
                }
                if (x & 0x20 > 0) {
                    result = (result * 0x10000000000000016) >> 64;
                }
                if (x & 0x10 > 0) {
                    result = (result * 0x1000000000000000B) >> 64;
                }
                if (x & 0x8 > 0) {
                    result = (result * 0x10000000000000006) >> 64;
                }
                if (x & 0x4 > 0) {
                    result = (result * 0x10000000000000003) >> 64;
                }
                if (x & 0x2 > 0) {
                    result = (result * 0x10000000000000001) >> 64;
                }
                if (x & 0x1 > 0) {
                    result = (result * 0x10000000000000001) >> 64;
                }
                // We're doing two things at the same time:
                //
                //   1. Multiply the result by 2^n + 1, where "2^n" is the integer part and the one is added to account for
                //      the fact that we initially set the result to 0.5. This is accomplished by subtracting from 191
                //      rather than 192.
                //   2. Convert the result to the unsigned 60.18-decimal fixed-point format.
                //
                // This works because 2^(191-ip) = 2^ip / 2^191, where "ip" is the integer part "2^n".
                result *= SCALE;
                result >>= (191 - (x >> 64));
            }
        }
        /// @notice Finds the zero-based index of the first one in the binary representation of x.
        /// @dev See the note on msb in the "Find First Set" Wikipedia article https://en.wikipedia.org/wiki/Find_first_set
        /// @param x The uint256 number for which to find the index of the most significant bit.
        /// @return msb The index of the most significant bit as an uint256.
        function mostSignificantBit(uint256 x) internal pure returns (uint256 msb) {
            if (x >= 2**128) {
                x >>= 128;
                msb += 128;
            }
            if (x >= 2**64) {
                x >>= 64;
                msb += 64;
            }
            if (x >= 2**32) {
                x >>= 32;
                msb += 32;
            }
            if (x >= 2**16) {
                x >>= 16;
                msb += 16;
            }
            if (x >= 2**8) {
                x >>= 8;
                msb += 8;
            }
            if (x >= 2**4) {
                x >>= 4;
                msb += 4;
            }
            if (x >= 2**2) {
                x >>= 2;
                msb += 2;
            }
            if (x >= 2**1) {
                // No need to shift x any more.
                msb += 1;
            }
        }
        /// @notice Calculates floor(x*y÷denominator) with full precision.
        ///
        /// @dev Credit to Remco Bloemen under MIT license https://xn--2-umb.com/21/muldiv.
        ///
        /// Requirements:
        /// - The denominator cannot be zero.
        /// - The result must fit within uint256.
        ///
        /// Caveats:
        /// - This function does not work with fixed-point numbers.
        ///
        /// @param x The multiplicand as an uint256.
        /// @param y The multiplier as an uint256.
        /// @param denominator The divisor as an uint256.
        /// @return result The result as an uint256.
        function mulDiv(
            uint256 x,
            uint256 y,
            uint256 denominator
        ) internal pure returns (uint256 result) {
            // 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) {
                unchecked {
                    result = prod0 / denominator;
                }
                return result;
            }
            // Make sure the result is less than 2^256. Also prevents denominator == 0.
            if (prod1 >= denominator) {
                revert PRBMath__MulDivOverflow(prod1, denominator);
            }
            ///////////////////////////////////////////////
            // 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.
            unchecked {
                // Does not overflow because the denominator cannot be zero at this stage in the function.
                uint256 lpotdod = denominator & (~denominator + 1);
                assembly {
                    // Divide denominator by lpotdod.
                    denominator := div(denominator, lpotdod)
                    // Divide [prod1 prod0] by lpotdod.
                    prod0 := div(prod0, lpotdod)
                    // Flip lpotdod such that it is 2^256 / lpotdod. If lpotdod is zero, then it becomes one.
                    lpotdod := add(div(sub(0, lpotdod), lpotdod), 1)
                }
                // Shift in bits from prod1 into prod0.
                prod0 |= prod1 * lpotdod;
                // 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 floor(x*y÷1e18) with full precision.
        ///
        /// @dev Variant of "mulDiv" with constant folding, i.e. in which the denominator is always 1e18. Before returning the
        /// final result, we add 1 if (x * y) % SCALE >= HALF_SCALE. Without this, 6.6e-19 would be truncated to 0 instead of
        /// being rounded to 1e-18.  See "Listing 6" and text above it at https://accu.org/index.php/journals/1717.
        ///
        /// Requirements:
        /// - The result must fit within uint256.
        ///
        /// Caveats:
        /// - The body is purposely left uncommented; see the NatSpec comments in "PRBMath.mulDiv" to understand how this works.
        /// - It is assumed that the result can never be type(uint256).max when x and y solve the following two equations:
        ///     1. x * y = type(uint256).max * SCALE
        ///     2. (x * y) % SCALE >= SCALE / 2
        ///
        /// @param x The multiplicand as an unsigned 60.18-decimal fixed-point number.
        /// @param y The multiplier as an unsigned 60.18-decimal fixed-point number.
        /// @return result The result as an unsigned 60.18-decimal fixed-point number.
        function mulDivFixedPoint(uint256 x, uint256 y) internal pure returns (uint256 result) {
            uint256 prod0;
            uint256 prod1;
            assembly {
                let mm := mulmod(x, y, not(0))
                prod0 := mul(x, y)
                prod1 := sub(sub(mm, prod0), lt(mm, prod0))
            }
            if (prod1 >= SCALE) {
                revert PRBMath__MulDivFixedPointOverflow(prod1);
            }
            uint256 remainder;
            uint256 roundUpUnit;
            assembly {
                remainder := mulmod(x, y, SCALE)
                roundUpUnit := gt(remainder, 499999999999999999)
            }
            if (prod1 == 0) {
                unchecked {
                    result = (prod0 / SCALE) + roundUpUnit;
                    return result;
                }
            }
            assembly {
                result := add(
                    mul(
                        or(
                            div(sub(prod0, remainder), SCALE_LPOTD),
                            mul(sub(prod1, gt(remainder, prod0)), add(div(sub(0, SCALE_LPOTD), SCALE_LPOTD), 1))
                        ),
                        SCALE_INVERSE
                    ),
                    roundUpUnit
                )
            }
        }
        /// @notice Calculates floor(x*y÷denominator) with full precision.
        ///
        /// @dev An extension of "mulDiv" for signed numbers. Works by computing the signs and the absolute values separately.
        ///
        /// Requirements:
        /// - None of the inputs can be type(int256).min.
        /// - The result must fit within int256.
        ///
        /// @param x The multiplicand as an int256.
        /// @param y The multiplier as an int256.
        /// @param denominator The divisor as an int256.
        /// @return result The result as an int256.
        function mulDivSigned(
            int256 x,
            int256 y,
            int256 denominator
        ) internal pure returns (int256 result) {
            if (x == type(int256).min || y == type(int256).min || denominator == type(int256).min) {
                revert PRBMath__MulDivSignedInputTooSmall();
            }
            // Get hold of the absolute values of x, y and the denominator.
            uint256 ax;
            uint256 ay;
            uint256 ad;
            unchecked {
                ax = x < 0 ? uint256(-x) : uint256(x);
                ay = y < 0 ? uint256(-y) : uint256(y);
                ad = denominator < 0 ? uint256(-denominator) : uint256(denominator);
            }
            // Compute the absolute value of (x*y)÷denominator. The result must fit within int256.
            uint256 rAbs = mulDiv(ax, ay, ad);
            if (rAbs > uint256(type(int256).max)) {
                revert PRBMath__MulDivSignedOverflow(rAbs);
            }
            // Get the signs of x, y and the denominator.
            uint256 sx;
            uint256 sy;
            uint256 sd;
            assembly {
                sx := sgt(x, sub(0, 1))
                sy := sgt(y, sub(0, 1))
                sd := sgt(denominator, sub(0, 1))
            }
            // XOR over sx, sy and sd. This is checking whether there are one or three negative signs in the inputs.
            // If yes, the result should be negative.
            result = sx ^ sy ^ sd == 0 ? -int256(rAbs) : int256(rAbs);
        }
        /// @notice Calculates the square root of x, rounding down.
        /// @dev Uses the Babylonian method https://en.wikipedia.org/wiki/Methods_of_computing_square_roots#Babylonian_method.
        ///
        /// Caveats:
        /// - This function does not work with fixed-point numbers.
        ///
        /// @param x The uint256 number for which to calculate the square root.
        /// @return result The result as an uint256.
        function sqrt(uint256 x) internal pure returns (uint256 result) {
            if (x == 0) {
                return 0;
            }
            // Set the initial guess to the least power of two that is greater than or equal to sqrt(x).
            uint256 xAux = uint256(x);
            result = 1;
            if (xAux >= 0x100000000000000000000000000000000) {
                xAux >>= 128;
                result <<= 64;
            }
            if (xAux >= 0x10000000000000000) {
                xAux >>= 64;
                result <<= 32;
            }
            if (xAux >= 0x100000000) {
                xAux >>= 32;
                result <<= 16;
            }
            if (xAux >= 0x10000) {
                xAux >>= 16;
                result <<= 8;
            }
            if (xAux >= 0x100) {
                xAux >>= 8;
                result <<= 4;
            }
            if (xAux >= 0x10) {
                xAux >>= 4;
                result <<= 2;
            }
            if (xAux >= 0x4) {
                result <<= 1;
            }
            // The operations can never overflow because the result is max 2^127 when it enters this block.
            unchecked {
                result = (result + x / result) >> 1;
                result = (result + x / result) >> 1;
                result = (result + x / result) >> 1;
                result = (result + x / result) >> 1;
                result = (result + x / result) >> 1;
                result = (result + x / result) >> 1;
                result = (result + x / result) >> 1; // Seven iterations should be enough
                uint256 roundedDownResult = x / result;
                return result >= roundedDownResult ? roundedDownResult : result;
            }
        }
    }
    // SPDX-License-Identifier: MIT
    pragma solidity ^0.8.13;
    import "ERC721A/ERC721A.sol";
    import "solmate/utils/SSTORE2.sol";
    import "solmate/auth/Owned.sol";
    import "solmate/utils/LibString.sol";
    import "solmate/utils/ReentrancyGuard.sol";
    import "openzeppelin-contracts/utils/Address.sol";
    import "prb-math/PRBMathUD60x18.sol";
    import "./Base64.sol";
    contract TheLPTraits {
        struct TraitInfo {
            mapping(uint256 => string) map;
        }
        TraitInfo back;
        TraitInfo pants;
        TraitInfo shirt;
        TraitInfo logo;
        TraitInfo clothingItem;
        TraitInfo gloves;
        TraitInfo hat;
        TraitInfo item;
        TraitInfo special;
        string[5] public colors = [
            "#f8f8f8",
            "#E5FBEF",
            "#F5FCDD",
            "#FDEEE8",
            "#E5F1F6"
        ];
        function getBack(uint256 i) public view returns (string memory) {
            return back.map[i];
        }
        function getPants(uint256 i) public view returns (string memory) {
            return pants.map[i];
        }
        function getShirt(uint256 i) public view returns (string memory) {
            return shirt.map[i];
        }
        function getLogo(uint256 i) public view returns (string memory) {
            return logo.map[i];
        }
        function getClothingItem(uint256 i) public view returns (string memory) {
            return clothingItem.map[i];
        }
        function getGloves(uint256 i) public view returns (string memory) {
            return gloves.map[i];
        }
        function getHat(uint256 i) public view returns (string memory) {
            return hat.map[i];
        }
        function getItem(uint256 i) public view returns (string memory) {
            return item.map[i];
        }
        function getSpecial(uint256 i) public view returns (string memory) {
            return special.map[i];
        }
        constructor() {
            back.map[1] = "Fairy Wings";
            back.map[2] = "Jetpack";
            pants.map[59] = "Orange Pants";
            pants.map[60] = "Blue Jeans";
            pants.map[61] = "Black Pants";
            pants.map[62] = "Fun Jeans";
            pants.map[72] = "Blue Shorts";
            pants.map[73] = "Orange Shorts";
            pants.map[74] = "Black Shorts";
            pants.map[75] = "White Shorts";
            shirt.map[76] = "Orange";
            shirt.map[77] = "Yellow";
            shirt.map[78] = "Black";
            shirt.map[79] = "Blue";
            shirt.map[80] = "Green";
            shirt.map[81] = "Red";
            shirt.map[82] = "White";
            shirt.map[83] = "Peanut";
            logo.map[50] = "Bear";
            logo.map[51] = "Chicken";
            logo.map[52] = "Computer";
            logo.map[53] = "Dino";
            logo.map[54] = "Eth";
            logo.map[55] = "LP";
            logo.map[56] = "Metal";
            logo.map[57] = "Rainbow";
            logo.map[58] = "Smile";
            clothingItem.map[3] = "Fanny pack";
            clothingItem.map[4] = "Hawaiian";
            clothingItem.map[5] = "Karate";
            clothingItem.map[6] = "Puffer white";
            clothingItem.map[7] = "Puffer peanut";
            clothingItem.map[8] = "Puffer red";
            clothingItem.map[9] = "LP Puffer";
            clothingItem.map[10] = "Puffer blue";
            clothingItem.map[11] = "Puffer orange";
            clothingItem.map[12] = "Puffer yellow";
            clothingItem.map[13] = "Suit jacket";
            clothingItem.map[14] = "Body suit blue";
            clothingItem.map[15] = "Body suit red";
            gloves.map[16] = "Motorcycle";
            gloves.map[17] = "Wrist guards";
            hat.map[18] = "Aquarium";
            hat.map[19] = "Army";
            hat.map[20] = "Baseball";
            hat.map[21] = "Bear";
            hat.map[22] = "Black hood";
            hat.map[23] = "Bucket helmet";
            hat.map[24] = "Bucket hat";
            hat.map[25] = "Bull";
            hat.map[26] = "Captain";
            hat.map[27] = "Cowboy";
            hat.map[28] = "Dino";
            hat.map[29] = "M";
            hat.map[30] = "Ninja";
            hat.map[31] = "Pirate";
            hat.map[32] = "Safari";
            hat.map[33] = "Santa";
            hat.map[34] = "Shower cap";
            hat.map[35] = "Sombrero";
            hat.map[36] = "Bad guy";
            hat.map[37] = "Viking";
            hat.map[38] = "Builder";
            hat.map[39] = "Hero";
            item.map[63] = "Cellphone";
            item.map[64] = "Briefcase";
            item.map[65] = "Gecko";
            item.map[66] = "Saber";
            item.map[67] = "Lobster";
            item.map[68] = "Lolli";
            item.map[69] = "Shroom";
            item.map[70] = "Ray gun";
            item.map[71] = "Hero Sword";
            special.map[1] = "Unicorn floaty";
            special.map[2] = "Astronaut";
            special.map[3] = "Explorer";
            special.map[4] = "Twilight Knight";
        }
    }
    // 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);
    }