Contract

Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@unification-com/xfund-router/contracts/lib/ConsumerBase.sol";

import "./interfaces/ILandRegistry.sol";
import "./LandAuction.sol";

contract LandAuctionV3 is ConsumerBase, Ownable, ReentrancyGuard {
    uint32 constant clearLow = 0xffff0000;
    uint32 constant clearHigh = 0x0000ffff;
    uint32 constant factor = 0x10000;

    int16 public constant xLow = -96;
    int16 public constant yLow = -99;
    int16 public constant xHigh = 96;
    int16 public constant yHigh = 99;

    enum Stage {
        Default,
        Inactive1,
        Inactive2,
        PublicSale
    }

    uint256 public ethToShib;
    bool public multiMintEnabled;

    LandAuction public auctionV1;
    LandAuction public auctionV2;
    ILandRegistry public landRegistry;

    IERC20 public immutable SHIB;
    Stage public currentStage;

    mapping(address => uint32[]) private _allMintsOf;

    event StageSet(uint256 stage);
    event multiMintToggled(bool newValue);
    event LandBoughtWithShib(
        address indexed user,
        uint32 indexed encXY,
        int16 x,
        int16 y,
        uint256 price,
        uint256 time,
        Stage saleStage
    );

    constructor(
        IERC20 _shib,
        LandAuction _auctionV1,
        LandAuction _auctionV2,
        ILandRegistry _landRegistry,
        address _router,
        address _xfund
    ) ConsumerBase(_router, _xfund) {
        SHIB = _shib;
        auctionV1 = _auctionV1;
        auctionV2 = _auctionV2;
        landRegistry = _landRegistry;
    }

    modifier onlyValid(int16 x, int16 y) {
        require(xLow <= x && x <= xHigh, "ERR_X_OUT_OF_RANGE");
        require(yLow <= y && y <= yHigh, "ERR_Y_OUT_OF_RANGE");
        _;
    }

    modifier onlyStage(Stage s) {
        require(currentStage == s, "ERR_THIS_STAGE_NOT_LIVE_YET");
        _;
    }

    function bidInfoOf(address user)
        external
        view
        returns (int16[] memory, int16[] memory)
    {
        (int16[] memory xsV1, int16[] memory ysV1) = auctionV2.bidInfoOf(user);
        uint256 lengthV1 = xsV1.length;

        uint256 bidCount = _allMintsOf[user].length;
        int16[] memory xs = new int16[](bidCount + lengthV1);
        int16[] memory ys = new int16[](bidCount + lengthV1);

        for (uint256 i = 0; i < lengthV1; i = _uncheckedInc(i)) {
            xs[i] = xsV1[i];
            ys[i] = ysV1[i];
        }

        uint256 ptr = lengthV1;
        uint32[] storage allMints = _allMintsOf[user];
        uint256 length = allMints.length;

        for (uint256 i = 0; i < length; i = _uncheckedInc(i)) {
            (int16 x, int16 y) = _decodeXY(allMints[i]);
            xs[ptr] = x;
            ys[ptr] = y;
            ptr = _uncheckedInc(ptr);
        }

        return (xs, ys);
    }

    function getReservePriceShib(int16 x, int16 y)
        public
        view
        onlyValid(x, y)
        returns (uint256)
    {
        // this will revert if not up for sale
        uint256 reservePrice = auctionV1.getReservePrice(x, y);

        // to check if this was bid on, in the bidding stage
        (uint256 cAmount, ) = auctionV1.getCurrentBid(x, y);
        require(cAmount == 0, "ERR_ALREADY_BOUGHT");

        uint256 reservePriceInShib = (ethToShib * reservePrice) / 1 ether;

        require(reservePriceInShib > 0, "ERR_BAD_PRICE");
        return reservePriceInShib;
    }

    function mintPublicWithShib(int16 x, int16 y)
        external
        onlyStage(Stage.PublicSale)
        nonReentrant
    {
        // this will revert if not up for sale
        uint256 reservePriceInShib = getReservePriceShib(x, y);

        address user = msg.sender;

        SHIB.transferFrom(user, address(this), reservePriceInShib);

        uint32 encXY = _encodeXY(x, y);
        _allMintsOf[user].push(encXY);

        landRegistry.mint(user, x, y);

        emit LandBoughtWithShib(
            user,
            encXY,
            x,
            y,
            reservePriceInShib,
            block.timestamp,
            Stage.PublicSale
        );
    }

    function mintPublicWithShibMulti(
        int16[] calldata xs,
        int16[] calldata ys,
        uint256[] calldata prices
    ) external onlyStage(Stage.PublicSale) nonReentrant {
        require(multiMintEnabled, "ERR_MULTI_BID_DISABLED");

        uint256 length = xs.length;
        require(length != 0, "ERR_NO_INPUT");
        require(length == ys.length, "ERR_INPUT_LENGTH_MISMATCH");
        require(length == prices.length, "ERR_INPUT_LENGTH_MISMATCH");

        uint256 total;
        for (uint256 i = 0; i < length; i = _uncheckedInc(i)) {
            total += prices[i];
        }

        address user = msg.sender;

        SHIB.transferFrom(user, address(this), total);

        for (uint256 i = 0; i < length; i = _uncheckedInc(i)) {
            int16 x = xs[i];
            int16 y = ys[i];

            uint256 reservePriceInShib = getReservePriceShib(x, y);
            require(
                reservePriceInShib == prices[i],
                "ERR_INSUFFICIENT_SHIB_SENT"
            );

            uint32 encXY = _encodeXY(x, y);
            _allMintsOf[user].push(encXY);

            landRegistry.mint(user, x, y);

            emit LandBoughtWithShib(
                user,
                encXY,
                x,
                y,
                prices[i],
                block.timestamp,
                Stage.PublicSale
            );
        }
    }

    function setStage(uint256 stage) external onlyOwner {
        currentStage = Stage(stage);
        emit StageSet(stage);
    }

    function setLandRegistry(address _landRegistry) external onlyOwner {
        landRegistry = ILandRegistry(_landRegistry);
    }

    function setAuctionV1(LandAuction _auctionV1) external onlyOwner {
        auctionV1 = _auctionV1;
    }

    function setAuctionV2(LandAuction _auctionV2) external onlyOwner {
        auctionV2 = _auctionV2;
    }

    function setMultiMint(bool desiredValue) external onlyOwner {
        require(multiMintEnabled != desiredValue, "ERR_ALREADY_DESIRED_VALUE");
        multiMintEnabled = desiredValue;

        emit multiMintToggled(desiredValue);
    }

    function increaseRouterAllowance(uint256 _amount) external onlyOwner {
        require(_increaseRouterAllowance(_amount), "ERR_FAILED_TO_INCREASE");
    }

    function getData(address _provider, uint256 _fee)
        external
        onlyOwner
        returns (bytes32)
    {
        bytes32 data = 0x4554482e534849422e50522e4156430000000000000000000000000000000000; // ETH.SHIB.PR.AVC
        return _requestData(_provider, _fee, data);
    }

    function withdrawShib(address to, uint256 amount) external onlyOwner {
        SHIB.transfer(to, amount);
    }

    function withdrawAny(
        address token,
        address to,
        uint256 amount
    ) external onlyOwner {
        IERC20(token).transfer(to, amount);
    }

    function receiveData(uint256 _price, bytes32) internal override {
        ethToShib = _price;
    }

    function _uncheckedInc(uint256 i) internal pure returns (uint256) {
        unchecked {
            return i + 1;
        }
    }

    function _encodeXY(int16 x, int16 y) internal pure returns (uint32) {
        return
            ((uint32(uint16(x)) * factor) & clearLow) |
            (uint32(uint16(y)) & clearHigh);
    }

    function _decodeXY(uint32 value) internal pure returns (int16 x, int16 y) {
        x = _expandNegative16BitCast((value & clearLow) >> 16);
        y = _expandNegative16BitCast(value & clearHigh);
    }

    function _expandNegative16BitCast(uint32 value)
        internal
        pure
        returns (int16)
    {
        if (value & (1 << 15) != 0) {
            return int16(int32(value | clearLow));
        }
        return int16(int32(value));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/Ownable.sol)

pragma solidity ^0.8.0;

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

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

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

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

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 amount
    ) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

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

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

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

        _;

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../vendor/OOOSafeMath.sol";
import "../interfaces/IERC20_Ex.sol";
import "../interfaces/IRouter.sol";
import "./RequestIdBase.sol";

/**
 * @title ConsumerBase smart contract
 *
 * @dev This contract can be imported by any smart contract wishing to include
 * off-chain data or data from a different network within it.
 *
 * The consumer initiates a data request by forwarding the request to the Router
 * smart contract, from where the data provider(s) pick up and process the
 * data request, and forward it back to the specified callback function.
 *
 */
abstract contract ConsumerBase is RequestIdBase {
    using OOOSafeMath for uint256;

    /*
     * STATE VARIABLES
     */

    // nonces for generating requestIds. Must be in sync with the
    // nonces defined in Router.sol.
    mapping(address => uint256) private nonces;

    IERC20_Ex internal immutable xFUND;
    IRouter internal router;

    /*
     * WRITE FUNCTIONS
     */

    /**
     * @dev Contract constructor. Accepts the address for the router smart contract,
     * and a token allowance for the Router to spend on the consumer's behalf (to pay fees).
     *
     * The Consumer contract should have enough tokens allocated to it to pay fees
     * and the Router should be able to use the Tokens to forward fees.
     *
     * @param _router address of the deployed Router smart contract
     * @param _xfund address of the deployed xFUND smart contract
     */
    constructor(address _router, address _xfund) {
        require(_router != address(0), "router cannot be the zero address");
        require(_xfund != address(0), "xfund cannot be the zero address");
        router = IRouter(_router);
        xFUND = IERC20_Ex(_xfund);
    }

    /**
     * @notice _setRouter is a helper function to allow changing the router contract address
     * Allows updating the router address. Future proofing for potential Router upgrades
     * NOTE: it is advisable to wrap this around a function that uses, for example, OpenZeppelin's
     * onlyOwner modifier
     *
     * @param _router address of the deployed Router smart contract
     */
    function _setRouter(address _router) internal returns (bool) {
        require(_router != address(0), "router cannot be the zero address");
        router = IRouter(_router);
        return true;
    }

    /**
     * @notice _increaseRouterAllowance is a helper function to increase token allowance for
     * the xFUND Router
     * Allows this contract to increase the xFUND allowance for the Router contract
     * enabling it to pay request fees on behalf of this contract.
     * NOTE: it is advisable to wrap this around a function that uses, for example, OpenZeppelin's
     * onlyOwner modifier
     *
     * @param _amount uint256 amount to increase allowance by
     */
    function _increaseRouterAllowance(uint256 _amount) internal returns (bool) {
        // The context of msg.sender is this contract's address
        require(xFUND.increaseAllowance(address(router), _amount), "failed to increase allowance");
        return true;
    }

    /**
     * @dev _requestData - initialises a data request. forwards the request to the deployed
     * Router smart contract.
     *
     * @param _dataProvider payable address of the data provider
     * @param _fee uint256 fee to be paid
     * @param _data bytes32 value of data being requested, e.g. PRICE.BTC.USD.AVG requests
     * average price for BTC/USD pair
     * @return requestId bytes32 request ID which can be used to track or cancel the request
     */
    function _requestData(address _dataProvider, uint256 _fee, bytes32 _data)
    internal returns (bytes32) {
        bytes32 requestId = makeRequestId(address(this), _dataProvider, address(router), nonces[_dataProvider], _data);
        // call the underlying ConsumerLib.sol lib's submitDataRequest function
        require(router.initialiseRequest(_dataProvider, _fee, _data));
        nonces[_dataProvider] = nonces[_dataProvider].safeAdd(1);
        return requestId;
    }

    /**
     * @dev rawReceiveData - Called by the Router's fulfillRequest function
     * in order to fulfil a data request. Data providers call the Router's fulfillRequest function
     * The request is validated to ensure it has indeed been sent via the Router.
     *
     * The Router will only call rawReceiveData once it has validated the origin of the data fulfillment.
     * rawReceiveData then calls the user defined receiveData function to finalise the fulfilment.
     * Contract developers will need to override the abstract receiveData function defined below.
     *
     * @param _price uint256 result being sent
     * @param _requestId bytes32 request ID of the request being fulfilled
     * has sent the data
     */
    function rawReceiveData(
        uint256 _price,
        bytes32 _requestId) external
    {
        // validate it came from the router
        require(msg.sender == address(router), "only Router can call");

        // call override function in end-user's contract
        receiveData(_price, _requestId);
    }

    /**
    * @dev receiveData - should be overridden by contract developers to process the
    * data fulfilment in their own contract.
    *
    * @param _price uint256 result being sent
    * @param _requestId bytes32 request ID of the request being fulfilled
    */
    function receiveData(
        uint256 _price,
        bytes32 _requestId
    ) internal virtual;

    /*
     * READ FUNCTIONS
     */

    /**
     * @dev getRouterAddress returns the address of the Router smart contract being used
     *
     * @return address
     */
    function getRouterAddress() external view returns (address) {
        return address(router);
    }

}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

interface ILandRegistry {
    function mint(
        address user,
        int16 x,
        int16 y
    ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

import "@openzeppelin/contracts/access/AccessControl.sol";
import "@openzeppelin/contracts/token/ERC721/IERC721.sol";
import "@openzeppelin/contracts/token/ERC20/IERC20.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@openzeppelin/contracts/utils/cryptography/ECDSA.sol";

import "./interfaces/IWETH.sol";
import "./interfaces/ILockShiboshi.sol";
import "./interfaces/ILockLeash.sol";
import "./interfaces/ILandRegistry.sol";
import "./interfaces/ILandAuction.sol";

contract LandAuction is ILandAuction, AccessControl, ReentrancyGuard {
    using ECDSA for bytes32;

    bytes32 public constant GRID_SETTER_ROLE = keccak256("GRID_SETTER_ROLE");

    uint32 constant clearLow = 0xffff0000;
    uint32 constant clearHigh = 0x0000ffff;
    uint32 constant factor = 0x10000;

    uint16 public constant N = 194; // xHigh + 97 + 1
    uint16 public constant M = 200; // yHigh + 100 + 1

    /*
        xLow, yHigh gets mapped to 1,1
        transform: x + 97, 100 - y

        y_mapped = 100 - y
        x_mapped = 97 + x
    */

    int16 public constant xLow = -96;
    int16 public constant yLow = -99;
    int16 public constant xHigh = 96;
    int16 public constant yHigh = 99;

    enum Stage {
        Default,
        Bidding,
        PrivateSale,
        PublicSale
    }

    struct Bid {
        uint256 amount;
        address bidder;
    }

    address public immutable weth;
    ILandRegistry public landRegistry;
    ILockLeash public lockLeash;
    ILockShiboshi public lockShiboshi;
    bool public multiBidEnabled;

    address public signerAddress;
    Stage public currentStage;

    int8[N + 10][M + 10] private _categoryBIT;

    mapping(int16 => mapping(int16 => Bid)) public getCurrentBid;
    mapping(int8 => uint256) public priceOfCategory;
    mapping(address => uint256) public winningsBidsOf;

    mapping(address => uint32[]) private _allBidsOf;
    mapping(address => mapping(uint32 => uint8)) private _statusOfBidsOf;

    event CategoryPriceSet(int8 category, uint256 price);
    event StageSet(uint256 stage);
    event SignerSet(address signer);
    event multiBidToggled(bool newValue);
    event BidCreated(
        address indexed user,
        uint32 indexed encXY,
        int16 x,
        int16 y,
        uint256 price,
        uint256 time
    );
    event LandBought(
        address indexed user,
        uint32 indexed encXY,
        int16 x,
        int16 y,
        uint256 price,
        Stage saleStage
    );

    constructor(
        address _weth,
        ILandRegistry _landRegistry,
        ILockLeash _lockLeash,
        ILockShiboshi _lockShiboshi
    ) {
        _grantRole(DEFAULT_ADMIN_ROLE, msg.sender);
        _grantRole(GRID_SETTER_ROLE, msg.sender);

        weth = _weth;
        landRegistry = _landRegistry;
        lockLeash = _lockLeash;
        lockShiboshi = _lockShiboshi;

        signerAddress = msg.sender;
    }

    modifier onlyValid(int16 x, int16 y) {
        require(xLow <= x && x <= xHigh, "ERR_X_OUT_OF_RANGE");
        require(yLow <= y && y <= yHigh, "ERR_Y_OUT_OF_RANGE");
        _;
    }

    modifier onlyStage(Stage s) {
        require(currentStage == s, "ERR_THIS_STAGE_NOT_LIVE_YET");
        _;
    }

    function weightToCapacity(uint256 weightLeash, uint256 weightShiboshi)
        public
        pure
        returns (uint256)
    {
        uint256[10] memory QRangeLeash = [
            uint256(9),
            uint256(30),
            uint256(60),
            uint256(100),
            uint256(130),
            uint256(180),
            uint256(220),
            uint256(300),
            uint256(370),
            uint256(419)
        ];
        uint256[10] memory QRangeShiboshi = [
            uint256(45),
            uint256(89),
            uint256(150),
            uint256(250),
            uint256(350),
            uint256(480),
            uint256(600),
            uint256(700),
            uint256(800),
            uint256(850)
        ];
        uint256[10] memory buckets = [
            uint256(1),
            uint256(5),
            uint256(10),
            uint256(20),
            uint256(50),
            uint256(80),
            uint256(100),
            uint256(140),
            uint256(180),
            uint256(200)
        ];
        uint256 capacity;

        if (weightLeash > 0) {
            for (uint256 i = 9; i >= 0; i = _uncheckedDec(i)) {
                if (weightLeash > QRangeLeash[i] * 1e18) {
                    capacity += buckets[i];
                    break;
                }
            }
        }

        if (weightShiboshi > 0) {
            for (uint256 i = 9; i >= 0; i = _uncheckedDec(i)) {
                if (weightShiboshi > QRangeShiboshi[i]) {
                    capacity += buckets[i];
                    break;
                }
            }
        }

        return capacity;
    }

    function getOutbidPrice(uint256 bidPrice) public pure returns (uint256) {
        // 5% more than the current price
        return (bidPrice * 21) / 20;
    }

    function availableCapacityOf(address user) public view returns (uint256) {
        uint256 weightLeash = lockLeash.weightOf(user);
        uint256 weightShiboshi = lockShiboshi.weightOf(user);

        return
            weightToCapacity(weightLeash, weightShiboshi) -
            winningsBidsOf[user];
    }

    function getReservePrice(int16 x, int16 y) public view returns (uint256) {
        uint256 price = priceOfCategory[getCategory(x, y)];
        require(price != 0, "ERR_NOT_UP_FOR_SALE");
        return price;
    }

    function getPriceOf(int16 x, int16 y) public view returns (uint256) {
        Bid storage currentBid = getCurrentBid[x][y];
        if (currentBid.amount == 0) {
            return getReservePrice(x, y);
        } else {
            // attempt to outbid
            return getOutbidPrice(currentBid.amount);
        }
    }

    function getCategory(int16 x, int16 y) public view returns (int8) {
        (uint16 x_mapped, uint16 y_mapped) = _transformXY(x, y);

        int8 category;
        for (uint16 i = x_mapped; i > 0; i = _subLowbit(i)) {
            for (uint16 j = y_mapped; j > 0; j = _subLowbit(j)) {
                unchecked {
                    category += _categoryBIT[i][j];
                }
            }
        }
        return category;
    }

    function isShiboshiZone(int16 x, int16 y) public pure returns (bool) {
        /*
            (12,99) to (48, 65)
            (49, 99) to (77, 78)
            (76, 77) to (77, 50)
            (65, 50) to (75, 50)
        */

        if (x >= 12 && x <= 48 && y <= 99 && y >= 65) {
            return true;
        }
        if (x >= 49 && x <= 77 && y <= 99 && y >= 78) {
            return true;
        }
        if (x >= 76 && x <= 77 && y <= 77 && y >= 50) {
            return true;
        }
        if (x >= 65 && x <= 75 && y == 50) {
            return true;
        }
        return false;
    }

    // List of currently winning bids of this user
    function bidInfoOf(address user)
        external
        view
        returns (int16[] memory, int16[] memory)
    {
        uint256 bidCount = winningsBidsOf[user];
        int16[] memory xs = new int16[](bidCount);
        int16[] memory ys = new int16[](bidCount);

        uint256 ptr;
        uint32[] storage allBids = _allBidsOf[user];
        uint256 length = allBids.length;

        for (uint256 i = 0; i < length; i = _uncheckedInc(i)) {
            if (_statusOfBidsOf[user][allBids[i]] == 1) {
                (int16 x, int16 y) = _decodeXY(allBids[i]);
                xs[ptr] = x;
                ys[ptr] = y;
                ptr = _uncheckedInc(ptr);
            }
        }

        return (xs, ys);
    }

    // List of all bids, ever done by this user
    function allBidInfoOf(address user)
        external
        view
        returns (int16[] memory, int16[] memory)
    {
        uint32[] storage allBids = _allBidsOf[user];
        uint256 bidCount = allBids.length;
        int16[] memory xs = new int16[](bidCount);
        int16[] memory ys = new int16[](bidCount);

        for (uint256 i = 0; i < bidCount; i = _uncheckedInc(i)) {
            (int16 x, int16 y) = _decodeXY(allBids[i]);
            xs[i] = x;
            ys[i] = y;
        }

        return (xs, ys);
    }

    function setGridVal(
        int16 x1,
        int16 y1,
        int16 x2,
        int16 y2,
        int8 val
    ) external onlyRole(GRID_SETTER_ROLE) {
        (uint16 x1_mapped, uint16 y1_mapped) = _transformXY(x1, y1);
        (uint16 x2_mapped, uint16 y2_mapped) = _transformXY(x2, y2);

        _updateGrid(x2_mapped + 1, y2_mapped + 1, val);
        _updateGrid(x1_mapped, y1_mapped, val);
        _updateGrid(x1_mapped, y2_mapped + 1, -val);
        _updateGrid(x2_mapped + 1, y1_mapped, -val);
    }

    function setPriceOfCategory(int8 category, uint256 price)
        external
        onlyRole(GRID_SETTER_ROLE)
    {
        priceOfCategory[category] = price;

        emit CategoryPriceSet(category, price);
    }

    function setStage(uint256 stage) external onlyRole(DEFAULT_ADMIN_ROLE) {
        currentStage = Stage(stage);
        emit StageSet(stage);
    }

    function setSignerAddress(address signer)
        external
        onlyRole(DEFAULT_ADMIN_ROLE)
    {
        require(signer != address(0), "ERR_CANNOT_BE_ZERO_ADDRESS");
        signerAddress = signer;
        emit SignerSet(signer);
    }

    function setLandRegistry(address _landRegistry)
        external
        onlyRole(DEFAULT_ADMIN_ROLE)
    {
        landRegistry = ILandRegistry(_landRegistry);
    }

    function setLockLeash(address _lockLeash)
        external
        onlyRole(DEFAULT_ADMIN_ROLE)
    {
        lockLeash = ILockLeash(_lockLeash);
    }

    function setLockShiboshi(address _lockShiboshi)
        external
        onlyRole(DEFAULT_ADMIN_ROLE)
    {
        lockShiboshi = ILockShiboshi(_lockShiboshi);
    }

    function setMultiBid(bool desiredValue)
        external
        onlyRole(DEFAULT_ADMIN_ROLE)
    {
        require(multiBidEnabled != desiredValue, "ERR_ALREADY_DESIRED_VALUE");
        multiBidEnabled = desiredValue;

        emit multiBidToggled(desiredValue);
    }

    function withdraw(address to, uint256 amount)
        external
        onlyRole(DEFAULT_ADMIN_ROLE)
    {
        payable(to).transfer(amount);
    }

    function bidOne(int16 x, int16 y)
        external
        payable
        onlyStage(Stage.Bidding)
        nonReentrant
    {
        address user = msg.sender;
        require(availableCapacityOf(user) != 0, "ERR_NO_BIDS_REMAINING");
        require(!isShiboshiZone(x, y), "ERR_NO_MINT_IN_SHIBOSHI_ZONE");
        _bid(user, x, y, msg.value);
    }

    function bidShiboshiZoneOne(
        int16 x,
        int16 y,
        bytes calldata signature
    ) external payable onlyStage(Stage.Bidding) nonReentrant {
        address user = msg.sender;
        require(
            _verifySigner(_hashMessage(user), signature),
            "ERR_SIGNATURE_INVALID"
        );
        require(isShiboshiZone(x, y), "ERR_NOT_IN_SHIBOSHI_ZONE");
        _bid(user, x, y, msg.value);
    }

    function bidMulti(
        int16[] calldata xs,
        int16[] calldata ys,
        uint256[] calldata prices
    ) external payable onlyStage(Stage.Bidding) nonReentrant {
        require(multiBidEnabled, "ERR_MULTI_BID_DISABLED");

        address user = msg.sender;

        uint256 length = xs.length;
        require(length != 0, "ERR_NO_INPUT");
        require(length == ys.length, "ERR_INPUT_LENGTH_MISMATCH");
        require(length == prices.length, "ERR_INPUT_LENGTH_MISMATCH");

        uint256 total;
        require(
            availableCapacityOf(user) >= length,
            "ERR_INSUFFICIENT_BIDS_REMAINING"
        );

        for (uint256 i = 0; i < length; i = _uncheckedInc(i)) {
            total += prices[i];
        }
        require(msg.value == total, "ERR_INSUFFICIENT_AMOUNT_SENT");

        for (uint256 i = 0; i < length; i = _uncheckedInc(i)) {
            int16 x = xs[i];
            int16 y = ys[i];
            require(!isShiboshiZone(x, y), "ERR_NO_MINT_IN_SHIBOSHI_ZONE");
            _bid(user, x, y, prices[i]);
        }
    }

    function bidShiboshiZoneMulti(
        int16[] calldata xs,
        int16[] calldata ys,
        uint256[] calldata prices,
        bytes calldata signature
    ) external payable onlyStage(Stage.Bidding) nonReentrant {
        require(multiBidEnabled, "ERR_MULTI_BID_DISABLED");

        address user = msg.sender;
        require(
            _verifySigner(_hashMessage(user), signature),
            "ERR_SIGNATURE_INVALID"
        );

        uint256 length = xs.length;
        require(length != 0, "ERR_NO_INPUT");
        require(length == ys.length, "ERR_INPUT_LENGTH_MISMATCH");
        require(length == prices.length, "ERR_INPUT_LENGTH_MISMATCH");

        uint256 total;
        for (uint256 i = 0; i < length; i = _uncheckedInc(i)) {
            total += prices[i];
        }
        require(msg.value == total, "ERR_INSUFFICIENT_AMOUNT_SENT");

        for (uint256 i = 0; i < length; i = _uncheckedInc(i)) {
            int16 x = xs[i];
            int16 y = ys[i];
            require(isShiboshiZone(x, y), "ERR_NOT_IN_SHIBOSHI_ZONE");
            _bid(user, x, y, prices[i]);
        }
    }

    function mintWinningBid(int16[] calldata xs, int16[] calldata ys) external {
        require(
            currentStage == Stage.PublicSale ||
                currentStage == Stage.PrivateSale,
            "ERR_MUST_WAIT_FOR_BIDDING_TO_END"
        );

        uint256 length = xs.length;
        require(length == ys.length, "ERR_INPUT_LENGTH_MISMATCH");

        for (uint256 i = 0; i < length; i = _uncheckedInc(i)) {
            int16 x = xs[i];
            int16 y = ys[i];
            require(xLow <= x && x <= xHigh, "ERR_X_OUT_OF_RANGE");
            require(yLow <= y && y <= yHigh, "ERR_Y_OUT_OF_RANGE");

            address user = getCurrentBid[x][y].bidder;
            require(user != address(0), "ERR_NO_BID_FOUND");
            landRegistry.mint(user, x, y);
        }
    }

    function mintPrivate(int16 x, int16 y)
        external
        payable
        onlyStage(Stage.PrivateSale)
        nonReentrant
    {
        require(availableCapacityOf(msg.sender) != 0, "ERR_NO_BIDS_REMAINING");
        require(!isShiboshiZone(x, y), "ERR_NO_MINT_IN_SHIBOSHI_ZONE");
        _mintPublicOrPrivate(msg.sender, x, y);
        emit LandBought(
            msg.sender,
            _encodeXY(x, y),
            x,
            y,
            msg.value,
            Stage.PrivateSale
        );
    }

    function mintPrivateShiboshiZone(
        int16 x,
        int16 y,
        bytes calldata signature
    ) external payable onlyStage(Stage.PrivateSale) nonReentrant {
        require(
            _verifySigner(_hashMessage(msg.sender), signature),
            "ERR_SIGNATURE_INVALID"
        );
        require(isShiboshiZone(x, y), "ERR_NOT_IN_SHIBOSHI_ZONE");
        _mintPublicOrPrivate(msg.sender, x, y);
        emit LandBought(
            msg.sender,
            _encodeXY(x, y),
            x,
            y,
            msg.value,
            Stage.PrivateSale
        );
    }

    function mintPublic(int16 x, int16 y)
        external
        payable
        onlyStage(Stage.PublicSale)
        nonReentrant
    {
        _mintPublicOrPrivate(msg.sender, x, y);
        emit LandBought(
            msg.sender,
            _encodeXY(x, y),
            x,
            y,
            msg.value,
            Stage.PublicSale
        );
    }

    // transform: +97, +100
    function _transformXY(int16 x, int16 y)
        internal
        pure
        onlyValid(x, y)
        returns (uint16, uint16)
    {
        return (uint16(x + 97), uint16(100 - y));
    }

    function _bid(
        address user,
        int16 x,
        int16 y,
        uint256 price
    ) internal onlyValid(x, y) {
        uint32 encXY = _encodeXY(x, y);
        Bid storage currentBid = getCurrentBid[x][y];
        if (currentBid.amount == 0) {
            // first bid on this land
            require(
                price >= getReservePrice(x, y),
                "ERR_INSUFFICIENT_AMOUNT_SENT"
            );
        } else {
            // attempt to outbid
            require(user != currentBid.bidder, "ERR_CANNOT_OUTBID_YOURSELF");
            require(
                price >= getOutbidPrice(currentBid.amount),
                "ERR_INSUFFICIENT_AMOUNT_SENT"
            );
            _safeTransferETHWithFallback(currentBid.bidder, currentBid.amount);
            winningsBidsOf[currentBid.bidder] -= 1;
            _statusOfBidsOf[currentBid.bidder][encXY] = 2;
        }

        currentBid.bidder = user;
        currentBid.amount = price;
        winningsBidsOf[user] += 1;

        if (_statusOfBidsOf[user][encXY] == 0) {
            // user has never bid on this land earlier
            _allBidsOf[user].push(encXY);
        }
        _statusOfBidsOf[user][encXY] = 1;

        emit BidCreated(user, encXY, x, y, price, block.timestamp);
    }

    function _mintPublicOrPrivate(
        address user,
        int16 x,
        int16 y
    ) internal onlyValid(x, y) {
        Bid storage currentBid = getCurrentBid[x][y];
        require(currentBid.amount == 0, "ERR_NOT_UP_FOR_SALE");
        require(
            msg.value == getReservePrice(x, y),
            "ERR_INSUFFICIENT_AMOUNT_SENT"
        );

        currentBid.bidder = user;
        currentBid.amount = msg.value;
        winningsBidsOf[user] += 1;

        uint32 encXY = _encodeXY(x, y);
        _allBidsOf[user].push(encXY);
        _statusOfBidsOf[user][encXY] = 1;

        landRegistry.mint(user, x, y);
    }

    function _hashMessage(address sender) private pure returns (bytes32) {
        return keccak256(abi.encodePacked(sender));
    }

    function _verifySigner(bytes32 messageHash, bytes memory signature)
        private
        view
        returns (bool)
    {
        return
            signerAddress ==
            messageHash.toEthSignedMessageHash().recover(signature);
    }

    /**
     * @notice Transfer ETH. If the ETH transfer fails, wrap the ETH and try send it as WETH.
     */
    function _safeTransferETHWithFallback(address to, uint256 amount) internal {
        if (!_safeTransferETH(to, amount)) {
            IWETH(weth).deposit{value: amount}();
            IERC20(weth).transfer(to, amount);
        }
    }

    /**
     * @notice Transfer ETH and return the success status.
     * @dev This function only forwards 30,000 gas to the callee.
     */
    function _safeTransferETH(address to, uint256 value)
        internal
        returns (bool)
    {
        (bool success, ) = to.call{value: value, gas: 30_000}(new bytes(0));
        return success;
    }

    function _uncheckedInc(uint256 i) internal pure returns (uint256) {
        unchecked {
            return i + 1;
        }
    }

    function _uncheckedDec(uint256 i) internal pure returns (uint256) {
        unchecked {
            return i - 1;
        }
    }

    function _encodeXY(int16 x, int16 y) internal pure returns (uint32) {
        return
            ((uint32(uint16(x)) * factor) & clearLow) |
            (uint32(uint16(y)) & clearHigh);
    }

    function _decodeXY(uint32 value) internal pure returns (int16 x, int16 y) {
        x = _expandNegative16BitCast((value & clearLow) >> 16);
        y = _expandNegative16BitCast(value & clearHigh);
    }

    function _expandNegative16BitCast(uint32 value)
        internal
        pure
        returns (int16)
    {
        if (value & (1 << 15) != 0) {
            return int16(int32(value | clearLow));
        }
        return int16(int32(value));
    }

    // Functions for BIT

    function _updateGrid(
        uint16 x,
        uint16 y,
        int8 val
    ) internal {
        for (uint16 i = x; i <= N; i = _addLowbit(i)) {
            for (uint16 j = y; j <= M; j = _addLowbit(j)) {
                unchecked {
                    _categoryBIT[i][j] += val;
                }
            }
        }
    }

    function _addLowbit(uint16 i) internal pure returns (uint16) {
        unchecked {
            return i + uint16(int16(i) & (-int16(i)));
        }
    }

    function _subLowbit(uint16 i) internal pure returns (uint16) {
        unchecked {
            return i - uint16(int16(i) & (-int16(i)));
        }
    }
}

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

pragma solidity ^0.8.0;

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

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

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library OOOSafeMath {
    /**
    * @dev Returns the addition of two unsigned integers, reverting on
    * overflow.
    *
    * Counterpart to Solidity's `+` operator.
    *
    * Requirements:
    *
    * - Addition cannot overflow.
    */
    function safeAdd(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function safeSub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a, "SafeMath: subtraction overflow");
        return a - b;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function safeMul(uint256 a, uint256 b) internal pure returns (uint256) {
        if (a == 0) return 0;
        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");
        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers, reverting on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function saveDiv(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: division by zero");
        return a / b;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * reverting when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function safeMod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b > 0, "SafeMath: modulo by zero");
        return a % b;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20_Ex {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) external returns (bool);

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

interface IRouter {
    function initialiseRequest(address, uint256, bytes32) external returns (bool);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

/**
 * @title RequestIdBase
 *
 * @dev A contract used by ConsumerBase and Router to generate requestIds
 *
 */
contract RequestIdBase {

    /**
    * @dev makeRequestId generates a requestId
    *
    * @param _dataConsumer address of consumer contract
    * @param _dataProvider address of provider
    * @param _router address of Router contract
    * @param _requestNonce uint256 request nonce
    * @param _data bytes32 hex encoded data endpoint
    *
    * @return bytes32 requestId
    */
    function makeRequestId(
        address _dataConsumer,
        address _dataProvider,
        address _router,
        uint256 _requestNonce,
        bytes32 _data) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked(_dataConsumer, _dataProvider, _router, _requestNonce, _data));
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (access/AccessControl.sol)

pragma solidity ^0.8.0;

import "./IAccessControl.sol";
import "../utils/Context.sol";
import "../utils/Strings.sol";
import "../utils/introspection/ERC165.sol";

/**
 * @dev Contract module that allows children to implement role-based access
 * control mechanisms. This is a lightweight version that doesn't allow enumerating role
 * members except through off-chain means by accessing the contract event logs. Some
 * applications may benefit from on-chain enumerability, for those cases see
 * {AccessControlEnumerable}.
 *
 * Roles are referred to by their `bytes32` identifier. These should be exposed
 * in the external API and be unique. The best way to achieve this is by
 * using `public constant` hash digests:
 *
 * ```
 * bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
 * ```
 *
 * Roles can be used to represent a set of permissions. To restrict access to a
 * function call, use {hasRole}:
 *
 * ```
 * function foo() public {
 *     require(hasRole(MY_ROLE, msg.sender));
 *     ...
 * }
 * ```
 *
 * Roles can be granted and revoked dynamically via the {grantRole} and
 * {revokeRole} functions. Each role has an associated admin role, and only
 * accounts that have a role's admin role can call {grantRole} and {revokeRole}.
 *
 * By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
 * that only accounts with this role will be able to grant or revoke other
 * roles. More complex role relationships can be created by using
 * {_setRoleAdmin}.
 *
 * WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
 * grant and revoke this role. Extra precautions should be taken to secure
 * accounts that have been granted it.
 */
abstract contract AccessControl is Context, IAccessControl, ERC165 {
    struct RoleData {
        mapping(address => bool) members;
        bytes32 adminRole;
    }

    mapping(bytes32 => RoleData) private _roles;

    bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;

    /**
     * @dev Modifier that checks that an account has a specific role. Reverts
     * with a standardized message including the required role.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     *
     * _Available since v4.1._
     */
    modifier onlyRole(bytes32 role) {
        _checkRole(role, _msgSender());
        _;
    }

    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
    }

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) public view virtual override returns (bool) {
        return _roles[role].members[account];
    }

    /**
     * @dev Revert with a standard message if `account` is missing `role`.
     *
     * The format of the revert reason is given by the following regular expression:
     *
     *  /^AccessControl: account (0x[0-9a-f]{40}) is missing role (0x[0-9a-f]{64})$/
     */
    function _checkRole(bytes32 role, address account) internal view virtual {
        if (!hasRole(role, account)) {
            revert(
                string(
                    abi.encodePacked(
                        "AccessControl: account ",
                        Strings.toHexString(uint160(account), 20),
                        " is missing role ",
                        Strings.toHexString(uint256(role), 32)
                    )
                )
            );
        }
    }

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) public view virtual override returns (bytes32) {
        return _roles[role].adminRole;
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _grantRole(role, account);
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) public virtual override onlyRole(getRoleAdmin(role)) {
        _revokeRole(role, account);
    }

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been revoked `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) public virtual override {
        require(account == _msgSender(), "AccessControl: can only renounce roles for self");

        _revokeRole(role, account);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event. Note that unlike {grantRole}, this function doesn't perform any
     * checks on the calling account.
     *
     * [WARNING]
     * ====
     * This function should only be called from the constructor when setting
     * up the initial roles for the system.
     *
     * Using this function in any other way is effectively circumventing the admin
     * system imposed by {AccessControl}.
     * ====
     *
     * NOTE: This function is deprecated in favor of {_grantRole}.
     */
    function _setupRole(bytes32 role, address account) internal virtual {
        _grantRole(role, account);
    }

    /**
     * @dev Sets `adminRole` as ``role``'s admin role.
     *
     * Emits a {RoleAdminChanged} event.
     */
    function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
        bytes32 previousAdminRole = getRoleAdmin(role);
        _roles[role].adminRole = adminRole;
        emit RoleAdminChanged(role, previousAdminRole, adminRole);
    }

    /**
     * @dev Grants `role` to `account`.
     *
     * Internal function without access restriction.
     */
    function _grantRole(bytes32 role, address account) internal virtual {
        if (!hasRole(role, account)) {
            _roles[role].members[account] = true;
            emit RoleGranted(role, account, _msgSender());
        }
    }

    /**
     * @dev Revokes `role` from `account`.
     *
     * Internal function without access restriction.
     */
    function _revokeRole(bytes32 role, address account) internal virtual {
        if (hasRole(role, account)) {
            _roles[role].members[account] = false;
            emit RoleRevoked(role, account, _msgSender());
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC721/IERC721.sol)

pragma solidity ^0.8.0;

import "../../utils/introspection/IERC165.sol";

/**
 * @dev Required interface of an ERC721 compliant contract.
 */
interface IERC721 is IERC165 {
    /**
     * @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
    ) external;

    /**
     * @dev Transfers `tokenId` token 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;

    /**
     * @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;

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

    /**
     * @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 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);

    /**
     * @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 calldata data
    ) external;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (utils/cryptography/ECDSA.sol)

pragma solidity ^0.8.0;

import "../Strings.sol";

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

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

    /**
     * @dev Returns the address that signed a hashed message (`hash`) with
     * `signature` or error string. This address can then be used for verification purposes.
     *
     * The `ecrecover` EVM opcode allows for malleable (non-unique) signatures:
     * this function rejects them by requiring the `s` value to be in the lower
     * half order, and the `v` value to be either 27 or 28.
     *
     * IMPORTANT: `hash` _must_ be the result of a hash operation for the
     * verification to be secure: it is possible to craft signatures that
     * recover to arbitrary addresses for non-hashed data. A safe way to ensure
     * this is by receiving a hash of the original message (which may otherwise
     * be too long), and then calling {toEthSignedMessageHash} on it.
     *
     * Documentation for signature generation:
     * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js]
     * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers]
     *
     * _Available since v4.3._
     */
    function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError) {
        // Check the signature length
        // - case 65: r,s,v signature (standard)
        // - case 64: r,vs signature (cf https://eips.ethereum.org/EIPS/eip-2098) _Available since v4.1._
        if (signature.length == 65) {
            bytes32 r;
            bytes32 s;
            uint8 v;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                s := mload(add(signature, 0x40))
                v := byte(0, mload(add(signature, 0x60)))
            }
            return tryRecover(hash, v, r, s);
        } else if (signature.length == 64) {
            bytes32 r;
            bytes32 vs;
            // ecrecover takes the signature parameters, and the only way to get them
            // currently is to use assembly.
            assembly {
                r := mload(add(signature, 0x20))
                vs := mload(add(signature, 0x40))
            }
            return tryRecover(hash, r, vs);
        } else {
            return (address(0), RecoverError.InvalidSignatureLength);
        }
    }

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

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

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

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

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

        return (signer, RecoverError.NoError);
    }

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

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

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

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

// SPDX-License-Identifier: GPL-3.0
pragma solidity ^0.8.13;

interface IWETH {
    function deposit() external payable;

    function withdraw(uint256 wad) external;

    function transfer(address to, uint256 value) external returns (bool);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

interface ILockShiboshi {
    function lockInfoOf(address user)
        external
        view
        returns (
            uint256[] memory ids,
            uint256 startTime,
            uint256 numDays,
            address ogUser
        );

    function weightOf(address user) external view returns (uint256);

    function extraShiboshiNeeded(address user, uint256 targetWeight)
        external
        view
        returns (uint256);

    function extraDaysNeeded(address user, uint256 targetWeight)
        external
        view
        returns (uint256);

    function isWinner(address user) external view returns (bool);

    function unlockAt(address user) external view returns (uint256);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

interface ILockLeash {
    function lockInfoOf(address user)
        external
        view
        returns (
            uint256 amount,
            uint256 startTime,
            uint256 numDays,
            address ogUser
        );

    function weightOf(address user) external view returns (uint256);

    function extraLeashNeeded(address user, uint256 targetWeight)
        external
        view
        returns (uint256);

    function extraDaysNeeded(address user, uint256 targetWeight)
        external
        view
        returns (uint256);

    function isWinner(address user) external view returns (bool);

    function unlockAt(address user) external view returns (uint256);
}

//SPDX-License-Identifier: MIT
pragma solidity ^0.8.13;

interface ILandAuction {
    function winningsBidsOf(address user) external view returns (uint256);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (access/IAccessControl.sol)

pragma solidity ^0.8.0;

/**
 * @dev External interface of AccessControl declared to support ERC165 detection.
 */
interface IAccessControl {
    /**
     * @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
     *
     * `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
     * {RoleAdminChanged} not being emitted signaling this.
     *
     * _Available since v3.1._
     */
    event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);

    /**
     * @dev Emitted when `account` is granted `role`.
     *
     * `sender` is the account that originated the contract call, an admin role
     * bearer except when using {AccessControl-_setupRole}.
     */
    event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Emitted when `account` is revoked `role`.
     *
     * `sender` is the account that originated the contract call:
     *   - if using `revokeRole`, it is the admin role bearer
     *   - if using `renounceRole`, it is the role bearer (i.e. `account`)
     */
    event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);

    /**
     * @dev Returns `true` if `account` has been granted `role`.
     */
    function hasRole(bytes32 role, address account) external view returns (bool);

    /**
     * @dev Returns the admin role that controls `role`. See {grantRole} and
     * {revokeRole}.
     *
     * To change a role's admin, use {AccessControl-_setRoleAdmin}.
     */
    function getRoleAdmin(bytes32 role) external view returns (bytes32);

    /**
     * @dev Grants `role` to `account`.
     *
     * If `account` had not been already granted `role`, emits a {RoleGranted}
     * event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function grantRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from `account`.
     *
     * If `account` had been granted `role`, emits a {RoleRevoked} event.
     *
     * Requirements:
     *
     * - the caller must have ``role``'s admin role.
     */
    function revokeRole(bytes32 role, address account) external;

    /**
     * @dev Revokes `role` from the calling account.
     *
     * Roles are often managed via {grantRole} and {revokeRole}: this function's
     * purpose is to provide a mechanism for accounts to lose their privileges
     * if they are compromised (such as when a trusted device is misplaced).
     *
     * If the calling account had been granted `role`, emits a {RoleRevoked}
     * event.
     *
     * Requirements:
     *
     * - the caller must be `account`.
     */
    function renounceRole(bytes32 role, address account) external;
}

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

pragma solidity ^0.8.0;

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

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

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

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

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

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/ERC165.sol)

pragma solidity ^0.8.0;

import "./IERC165.sol";

/**
 * @dev Implementation of the {IERC165} interface.
 *
 * Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
 * for the additional interface id that will be supported. For example:
 *
 * ```solidity
 * function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
 *     return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
 * }
 * ```
 *
 * Alternatively, {ERC165Storage} provides an easier to use but more expensive implementation.
 */
abstract contract ERC165 is IERC165 {
    /**
     * @dev See {IERC165-supportsInterface}.
     */
    function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
        return interfaceId == type(IERC165).interfaceId;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (utils/introspection/IERC165.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC165 standard, as defined in the
 * https://eips.ethereum.org/EIPS/eip-165[EIP].
 *
 * Implementers can declare support of contract interfaces, which can then be
 * queried by others ({ERC165Checker}).
 *
 * For an implementation, see {ERC165}.
 */
interface IERC165 {
    /**
     * @dev Returns true if this contract implements the interface defined by
     * `interfaceId`. See the corresponding
     * https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[EIP section]
     * to learn more about how these ids are created.
     *
     * This function call must use less than 30 000 gas.
     */
    function supportsInterface(bytes4 interfaceId) external view returns (bool);
}

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

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"contract IERC20","name":"_shib","type":"address"},{"internalType":"contract LandAuction","name":"_auctionV1","type":"address"},{"internalType":"contract LandAuction","name":"_auctionV2","type":"address"},{"internalType":"contract ILandRegistry","name":"_landRegistry","type":"address"},{"internalType":"address","name":"_router","type":"address"},{"internalType":"address","name":"_xfund","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"user","type":"address"},{"indexed":true,"internalType":"uint32","name":"encXY","type":"uint32"},{"indexed":false,"internalType":"int16","name":"x","type":"int16"},{"indexed":false,"internalType":"int16","name":"y","type":"int16"},{"indexed":false,"internalType":"uint256","name":"price","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"time","type":"uint256"},{"indexed":false,"internalType":"enum LandAuctionV3.Stage","name":"saleStage","type":"uint8"}],"name":"LandBoughtWithShib","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"stage","type":"uint256"}],"name":"StageSet","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"bool","name":"newValue","type":"bool"}],"name":"multiMintToggled","type":"event"},{"inputs":[],"name":"SHIB","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"auctionV1","outputs":[{"internalType":"contract LandAuction","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"auctionV2","outputs":[{"internalType":"contract LandAuction","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"user","type":"address"}],"name":"bidInfoOf","outputs":[{"internalType":"int16[]","name":"","type":"int16[]"},{"internalType":"int16[]","name":"","type":"int16[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"currentStage","outputs":[{"internalType":"enum LandAuctionV3.Stage","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"ethToShib","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_provider","type":"address"},{"internalType":"uint256","name":"_fee","type":"uint256"}],"name":"getData","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"int16","name":"x","type":"int16"},{"internalType":"int16","name":"y","type":"int16"}],"name":"getReservePriceShib","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRouterAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"increaseRouterAllowance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"landRegistry","outputs":[{"internalType":"contract ILandRegistry","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"int16","name":"x","type":"int16"},{"internalType":"int16","name":"y","type":"int16"}],"name":"mintPublicWithShib","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"int16[]","name":"xs","type":"int16[]"},{"internalType":"int16[]","name":"ys","type":"int16[]"},{"internalType":"uint256[]","name":"prices","type":"uint256[]"}],"name":"mintPublicWithShibMulti","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"multiMintEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_price","type":"uint256"},{"internalType":"bytes32","name":"_requestId","type":"bytes32"}],"name":"rawReceiveData","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract LandAuction","name":"_auctionV1","type":"address"}],"name":"setAuctionV1","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract LandAuction","name":"_auctionV2","type":"address"}],"name":"setAuctionV2","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_landRegistry","type":"address"}],"name":"setLandRegistry","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"desiredValue","type":"bool"}],"name":"setMultiMint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"stage","type":"uint256"}],"name":"setStage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdrawAny","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"withdrawShib","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"xHigh","outputs":[{"internalType":"int16","name":"","type":"int16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"xLow","outputs":[{"internalType":"int16","name":"","type":"int16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"yHigh","outputs":[{"internalType":"int16","name":"","type":"int16"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"yLow","outputs":[{"internalType":"int16","name":"","type":"int16"}],"stateMutability":"view","type":"function"}]

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

00000000000000000000000095ad61b0a150d79219dcf64e1e6cc01f0b64c4ce0000000000000000000000009ed0f787223ff1feb0cfb33a9207c646d182e9180000000000000000000000006b74c5885d2e08efd80164965f8df002608ebffa000000000000000000000000efaed650f1a94801806bb110019d9b0dc79531a80000000000000000000000009ac9ae20a17779c17b069b48a8788e3455fc6121000000000000000000000000892a6f9df0147e5f079b0993f486f9aca3c87881

-----Decoded View---------------
Arg [0] : _shib (address): 0x95aD61b0a150d79219dCF64E1E6Cc01f0B64C4cE
Arg [1] : _auctionV1 (address): 0x9ed0F787223FF1FeB0cFB33a9207c646d182E918
Arg [2] : _auctionV2 (address): 0x6b74c5885d2E08eFd80164965F8df002608EbffA
Arg [3] : _landRegistry (address): 0xEfAEd650f1a94801806BB110019d9B0dc79531A8
Arg [4] : _router (address): 0x9ac9AE20a17779c17b069b48A8788e3455fC6121
Arg [5] : _xfund (address): 0x892A6f9dF0147e5f079b0993F486F9acA3c87881

-----Encoded View---------------
6 Constructor Arguments found :
Arg [0] : 00000000000000000000000095ad61b0a150d79219dcf64e1e6cc01f0b64c4ce
Arg [1] : 0000000000000000000000009ed0f787223ff1feb0cfb33a9207c646d182e918
Arg [2] : 0000000000000000000000006b74c5885d2e08efd80164965f8df002608ebffa
Arg [3] : 000000000000000000000000efaed650f1a94801806bb110019d9b0dc79531a8
Arg [4] : 0000000000000000000000009ac9ae20a17779c17b069b48a8788e3455fc6121
Arg [5] : 000000000000000000000000892a6f9df0147e5f079b0993f486f9aca3c87881