// SPDX-License-Identifier: UNLICENSED
pragma solidity 0.8.26;

import "./IERC20.sol";
import "./Ownable.sol";
import "./SafeMathLib.sol";
import "./IUniswapV2Router02.sol";
import "./IUniswapV2Factory.sol";

uint256 constant TOTAL_SUPPLY = 1_000_000_000 ether;

contract Anubis is Context, IERC20, Ownable {
    using SafeMath for uint256;

    mapping(address => uint256) private _balances;
    mapping(address => mapping(address => uint256)) private _allowances;
    mapping(address => bool) private isFree;
    mapping(address => bool) public marketPair;

    address payable private _taxWallet;
    uint256 public firstBlock;

    uint256 private _initialBuyTax = 25;
    uint256 private _initialSellTax = 25;
    uint256 private _finalBuyTax = 0;
    uint256 private _finalSellTax = 0;

    uint256 private _reduceBuyTaxAt = 1;

    uint256 private _reduceSellTaxAt = 1;
    uint256 private _preventSwapBefore = 10;
    uint256 private _buyCount = 0;
    uint256 private sellCount = 0;
    uint256 private lastSellBlock = 0;

    uint8 private constant _decimals = 18;
    uint256 private constant _tTotal = TOTAL_SUPPLY;

    string private constant _name = unicode"Anubis";
    string private constant _symbol = unicode"ANKH";

    uint256 public constant LIMIT_MAX_BALANCE_DURATION_BLOCKS = 25;

    uint256 public removeLimitsAfterBlock;

    uint256 public _maxTxAmount = TOTAL_SUPPLY * 5 / 1000;
    uint256 public _maxWalletSize = TOTAL_SUPPLY * 5 / 1000;
    uint256 public _taxSwapThreshold = TOTAL_SUPPLY * 5 / 1000;
    uint256 public _maxTaxSwap = TOTAL_SUPPLY * 5 / 1000;

    IUniswapV2Router02 private uniswapV2Router;

    address public uniswapV2Pair;
    bool private tradingOpen;
    uint256 public caCount = 1;
    bool private inSwap = false;
    bool private swapEnabled = false;
    bool public caLimiter = true;

    event MaxTxAmountUpdated(uint _maxTxAmount);

    modifier lockTheSwap() {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor(address payable taxWallet) {
        removeLimitsAfterBlock = block.number + LIMIT_MAX_BALANCE_DURATION_BLOCKS;
        _taxWallet = taxWallet;
        _balances[address(this)] = _tTotal;
        isFree[taxWallet] = true;
        isFree[address(this)] = true;
        isFree[address(uniswapV2Pair)] = true;
        emit Transfer(address(0), address(this), _tTotal);
    }

    function name() public pure returns (string memory) {
        return _name;
    }

    function symbol() public pure returns (string memory) {
        return _symbol;
    }

    function decimals() public pure returns (uint8) {
        return _decimals;
    }

    function totalSupply() public pure override returns (uint256) {
        return _tTotal;
    }

    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    function transfer(address recipient, uint256 amount) public override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    function allowance(address owner, address spender) public view override returns (uint256) {
        return _allowances[owner][spender];
    }

    function approve(address spender, uint256 amount) public override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(
            sender,
            _msgSender(),
            _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")
        );
        return true;
    }

    function _approve(address owner, address spender, uint256 amount) private {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");
        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    function _transfer(address from, address to, uint256 amount) private {
        require(from != address(0), "ERC20: transfer from the zero address");
        require(to != address(0), "ERC20: transfer to the zero address");
        require(amount > 0, "Transfer amount must be greater than zero");

        uint256 taxAmount = 0;

        if (block.number > removeLimitsAfterBlock && _maxTxAmount != _tTotal) {
            _maxTxAmount = _tTotal;
            _maxWalletSize = _tTotal;
        }

        if (from != owner() && to != owner()) {
            taxAmount = amount.mul((_buyCount > _reduceBuyTaxAt) ? _finalBuyTax : _initialBuyTax).div(100);

            if (marketPair[from] && to != address(uniswapV2Router) && !isFree[to]) {
                require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");

                if (firstBlock + 3 > block.number) {
                    require(!_isContract(to));
                }
                _buyCount++;
            }

            if (!marketPair[to] && !isFree[to]) {
                require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
            }

            if (marketPair[to] && from != address(this)) {
                taxAmount = amount.mul((_buyCount > _reduceSellTaxAt) ? _finalSellTax : _initialSellTax).div(100);
            }

            if (!marketPair[from] && !marketPair[to] && from != address(this)) {
                taxAmount = 0;
            }

            uint256 contractTokenBalance = balanceOf(address(this));

            if (
                caLimiter &&
                !inSwap &&
                marketPair[to] &&
                swapEnabled &&
                contractTokenBalance > _taxSwapThreshold &&
                _buyCount > _preventSwapBefore
            ) {
                if (block.number > lastSellBlock) {
                    sellCount = 0;
                }

                require(sellCount < caCount, "CA balance sell");

                _swapTokensForEth(_min(amount, _min(contractTokenBalance, _maxTaxSwap)));

                uint256 contractETHBalance = address(this).balance;

                if (contractETHBalance > 0) {
                    _sendETHToFee(address(this).balance);
                }

                sellCount++;
                lastSellBlock = block.number;
            } else if (
                !inSwap &&
                marketPair[to] &&
                swapEnabled &&
                contractTokenBalance > _taxSwapThreshold &&
                _buyCount > _preventSwapBefore
            ) {
                _swapTokensForEth(_min(amount, _min(contractTokenBalance, _maxTaxSwap)));
                uint256 contractETHBalance = address(this).balance;
                if (contractETHBalance > 0) {
                    _sendETHToFee(address(this).balance);
                }
            }
        }

        if (taxAmount > 0) {
            _balances[address(this)] = _balances[address(this)].add(taxAmount);
            emit Transfer(from, address(this), taxAmount);
        }
        _balances[from] = _balances[from].sub(amount);
        _balances[to] = _balances[to].add(amount.sub(taxAmount));
        emit Transfer(from, to, amount.sub(taxAmount));
    }

    function releaseAnyStuckETH() external {
        require(msg.sender == _taxWallet, "Only tax wallet can call this function");
        payable(_taxWallet).transfer(address(this).balance);
    }

    function releaseAnyStuckERC20Tokens(address _tokenAddr, uint _amount) external {
        require(msg.sender == _taxWallet, "Only tax wallet can call this function");
        IERC20(_tokenAddr).transfer(_taxWallet, _amount);
    }

    function beAnubis() external payable onlyOwner {
        require(tradingOpen == false, "Trading is already enabled");
        uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        _approve(address(this), address(uniswapV2Router), _tTotal);

        uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());

        marketPair[address(uniswapV2Pair)] = true;
        isFree[address(uniswapV2Pair)] = true;

        uniswapV2Router.addLiquidityETH{ value: address(this).balance }(
            address(this),
            balanceOf(address(this)),
            0,
            0,
            owner(),
            block.timestamp
        );

        IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);

        swapEnabled = true;
        tradingOpen = true;
        firstBlock = block.number;
    }

    receive() external payable {}

    function _sendETHToFee(uint256 amount) private {
        _taxWallet.transfer(amount);
    }

    function _min(uint256 a, uint256 b) private pure returns (uint256) {
        return (a > b) ? b : a;
    }

    function _isContract(address account) private view returns (bool) {
        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    function _swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = uniswapV2Router.WETH();
        _approve(address(this), address(uniswapV2Router), tokenAmount);
        uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            tokenAmount,
            0,
            path,
            address(this),
            block.timestamp
        );
    }
}

// SPDX-License-Identifier: UNLICENSED

pragma solidity 0.8.26;

abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }
}

// SPDX-License-Identifier: UNLICENSED

pragma solidity 0.8.26;

interface IERC20 {
    function totalSupply() external view returns (uint256);

    function balanceOf(address account) external view returns (uint256);

    function transfer(address recipient, uint256 amount) external returns (bool);

    function allowance(address owner, address spender) external view returns (uint256);

    function approve(address spender, uint256 amount) external returns (bool);

    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

    event Transfer(address indexed from, address indexed to, uint256 value);

    event Approval(address indexed owner, address indexed spender, uint256 value);
}

// SPDX-License-Identifier: UNLICENSED

pragma solidity 0.8.26;

interface IUniswapV2Factory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}

// SPDX-License-Identifier: UNLICENSED

pragma solidity 0.8.26;

interface IUniswapV2Router02 {
    function swapETHForExactTokens(
        uint amountOut,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable returns (uint[] memory amounts);

    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;

    function factory() external pure returns (address);

    function WETH() external pure returns (address);

    function addLiquidityETH(
        address token,
        uint amountTokenDesired,
        uint amountTokenMin,
        uint amountETHMin,
        address to,
        uint deadline
    ) external payable returns (uint amountToken, uint amountETH, uint liquidity);

    function getAmountsIn(uint amountOut, address[] memory path) external view returns (uint[] memory amounts);

    function getAmountsOut(uint amountIn, address[] memory path) external view returns (uint[] memory amounts);
}

// SPDX-License-Identifier: UNLICENSED

pragma solidity 0.8.26;

import "./Context.sol";

contract Ownable is Context {
    address private _owner;
    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor() {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    function owner() public view returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

// SPDX-License-Identifier: UNLICENSED

pragma solidity 0.8.26;

library SafeMath {
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");
        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;
        return c;
    }

    function mul(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;
    }

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b > 0, errorMessage);
        uint256 c = a / b;
        return c;
    }
}

{
  "compilationTarget": {
    "contracts/Anubis.sol": "Anubis"
  },
  "evmVersion": "paris",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}