// SPDX-License-Identifier: MIT Licence
/**
/
 */

pragma solidity ^0.7.4;

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;
    }
}
 
interface IBEP20 {
    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 getOwner() external view returns (address);
    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);
}
 
abstract contract Auth {
    address internal 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 onlyOwner {
        authorizations[adr] = true;
    }
 
    function unauthorize(address adr) public onlyOwner {
        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 onlyOwner {
        owner = adr;
        authorizations[adr] = true;
        emit OwnershipTransferred(adr);
    }
 
    event OwnershipTransferred(address owner);
}
 
interface IDEXFactory {
    function createPair(address tokenA, address tokenB) external returns (address pair);
}
 
interface IDEXRouter {
    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 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;
}
 
interface IDividendDistributor {
    function setDistributionCriteria(uint256 _minPeriod, uint256 _minDistribution) external;
    function setShare(address shareholder, uint256 amount) external;
    function deposit() external payable;
    function process(uint256 gas) external;
}
 
contract DividendDistributor is IDividendDistributor {
    using SafeMath for uint256;
 
    address _token;
 
    struct Share {
        uint256 amount;
        uint256 totalExcluded;
        uint256 totalRealised;
    }
 
    IBEP20 RWRD = IBEP20(0xdAC17F958D2ee523a2206206994597C13D831ec7);
    address WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
    IDEXRouter router;
 
    address[] shareholders;
    mapping (address => uint256) shareholderIndexes;
    mapping (address => uint256) shareholderClaims;
 
    mapping (address => Share) public shares;
 
    uint256 public totalShares;
    uint256 public totalDividends;
    uint256 public totalDistributed;
    uint256 public dividendsPerShare;
    uint256 public dividendsPerShareAccuracyFactor = 10 ** 36;
 
    uint256 public minPeriod = 45 * 60;
    uint256 public minDistribution = 1 * (10 ** 18);
 
    uint256 currentIndex;
 
    bool initialized;
    modifier initialization() {
        require(!initialized);
        _;
        initialized = true;
    }
 
    modifier onlyToken() {
        require(msg.sender == _token); _;
    }
 
    constructor (address _router) {
        router = _router != address(0)
        ? IDEXRouter(_router)
        : IDEXRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        _token = msg.sender;
    }
 
    function setDistributionCriteria(uint256 _minPeriod, uint256 _minDistribution) external override onlyToken {
        minPeriod = _minPeriod;
        minDistribution = _minDistribution;
    }
 
    function setShare(address shareholder, uint256 amount) external override onlyToken {
        if(shares[shareholder].amount > 0){
            distributeDividend(shareholder);
        }
 
        if(amount > 0 && shares[shareholder].amount == 0){
            addShareholder(shareholder);
        }else if(amount == 0 && shares[shareholder].amount > 0){
            removeShareholder(shareholder);
        }
 
        totalShares = totalShares.sub(shares[shareholder].amount).add(amount);
        shares[shareholder].amount = amount;
        shares[shareholder].totalExcluded = getCumulativeDividends(shares[shareholder].amount);
    }
 
    function deposit() external payable override onlyToken {
        uint256 balanceBefore = RWRD.balanceOf(address(this));
 
        address[] memory path = new address[](2);
        path[0] = WETH;
        path[1] = address(RWRD);
 
        router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: msg.value}(
            0,
            path,
            address(this),
            block.timestamp
        );
 
        uint256 amount = RWRD.balanceOf(address(this)).sub(balanceBefore);
 
        totalDividends = totalDividends.add(amount);
        dividendsPerShare = dividendsPerShare.add(dividendsPerShareAccuracyFactor.mul(amount).div(totalShares));
    }
 
    function process(uint256 gas) external override onlyToken {
        uint256 shareholderCount = shareholders.length;
 
        if(shareholderCount == 0) { return; }
 
        uint256 gasUsed = 0;
        uint256 gasLeft = gasleft();
 
        uint256 iterations = 0;
 
        while(gasUsed < gas && iterations < shareholderCount) {
            if(currentIndex >= shareholderCount){
                currentIndex = 0;
            }
 
            if(shouldDistribute(shareholders[currentIndex])){
                distributeDividend(shareholders[currentIndex]);
            }
 
            gasUsed = gasUsed.add(gasLeft.sub(gasleft()));
            gasLeft = gasleft();
            currentIndex++;
            iterations++;
        }
    }
 
    function shouldDistribute(address shareholder) internal view returns (bool) {
        return shareholderClaims[shareholder] + minPeriod < block.timestamp
        && getUnpaidEarnings(shareholder) > minDistribution;
    }
 
    function distributeDividend(address shareholder) internal {
        if(shares[shareholder].amount == 0){ return; }
 
        uint256 amount = getUnpaidEarnings(shareholder);
        if(amount > 0){
            totalDistributed = totalDistributed.add(amount);
            RWRD.transfer(shareholder, amount);
            shareholderClaims[shareholder] = block.timestamp;
            shares[shareholder].totalRealised = shares[shareholder].totalRealised.add(amount);
            shares[shareholder].totalExcluded = getCumulativeDividends(shares[shareholder].amount);
        }
    }
 
    function claimDividend() external {
        distributeDividend(msg.sender);
    }
 
    function getUnpaidEarnings(address shareholder) public view returns (uint256) {
        if(shares[shareholder].amount == 0){ return 0; }
 
        uint256 shareholderTotalDividends = getCumulativeDividends(shares[shareholder].amount);
        uint256 shareholderTotalExcluded = shares[shareholder].totalExcluded;
 
        if(shareholderTotalDividends <= shareholderTotalExcluded){ return 0; }
 
        return shareholderTotalDividends.sub(shareholderTotalExcluded);
    }
 
    function getCumulativeDividends(uint256 share) internal view returns (uint256) {
        return share.mul(dividendsPerShare).div(dividendsPerShareAccuracyFactor);
    }
 
    function addShareholder(address shareholder) internal {
        shareholderIndexes[shareholder] = shareholders.length;
        shareholders.push(shareholder);
    }
 
    function removeShareholder(address shareholder) internal {
        shareholders[shareholderIndexes[shareholder]] = shareholders[shareholders.length-1];
        shareholderIndexes[shareholders[shareholders.length-1]] = shareholderIndexes[shareholder];
        shareholders.pop();
    }
}
 
contract Zelda is IBEP20, Auth {
    using SafeMath for uint256;
 
    address WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
    address DEAD = 0x000000000000000000000000000000000000dEaD;
    address ZERO = 0x0000000000000000000000000000000000000000;
 
    string constant _name = "ZELDA 2.0";
    string constant _symbol = "ZLDA";
    uint8 constant _decimals = 6;
 
    uint256 _totalSupply = 600 * 10**6 * 10**_decimals;
 
    uint256 public _maxTxAmount = _totalSupply.mul(2).div(100);
    uint256 public _maxWalletToken = _totalSupply.mul(4).div(100);
 
    mapping (address => uint256) _balances;
    mapping (address => mapping (address => uint256)) _allowances;
 
    bool public blacklistMode = true;
    mapping (address => bool) public isBlacklisted;
 
    mapping (address => bool) isFeeExempt;
    mapping (address => bool) isTxLimitExempt;
    mapping (address => bool) isTimelockExempt;
    mapping (address => bool) isDividendExempt;
 
    uint256 public liquidityFee    = 0;
    uint256 public reflectionFee   = 0;
    uint256 public marketingFee    = 0;
    uint256 public ecosystemfee    = 0;
    uint256 public burnFee         = 0;
    uint256 private totalFee        = marketingFee + reflectionFee + liquidityFee + ecosystemfee + burnFee;
    uint256 public feeDenominator  = 100;
 
    uint256 public sellMultiplier  = 100;
 
    address private autoLiquidityReceiver;
    address private marketingFeeReceiver;
    address private ecosystemfeeReceiver;
    address public burnFeeReceiver;
 
    uint256 targetLiquidity = 85;
    uint256 targetLiquidityDenominator = 100;
 
    IDEXRouter public router;
    address public pair;
 
    bool public tradingOpen = false;
 
    DividendDistributor public distributor;
    uint256 distributorGas = 50000;
 
    bool public buyCooldownEnabled = false;
    uint8 public cooldownTimerInterval = 60;
    mapping (address => uint) private cooldownTimer;
 
    bool public swapEnabled = true;
    uint256 public swapThreshold = _totalSupply * 5 / 10000;
    bool inSwap;

    modifier swapping() { inSwap = true; _; inSwap = false; }
 
    constructor () Auth(msg.sender) {
        router = IDEXRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        pair = IDEXFactory(router.factory()).createPair(WETH, address(this));
        _allowances[address(this)][address(router)] = uint256(-1);
 
        distributor = new DividendDistributor(address(router));
 
        isFeeExempt[msg.sender] = true;
        isTxLimitExempt[msg.sender] = true;
 
        isTimelockExempt[msg.sender] = true;
        isTimelockExempt[DEAD] = true;
        isTimelockExempt[address(this)] = true;
 
        isDividendExempt[pair] = true;
        isDividendExempt[address(this)] = true;
        isDividendExempt[DEAD] = true;
 
        autoLiquidityReceiver = msg.sender;
        marketingFeeReceiver = 0xB49f53E2886480E68950697311E0Df4895D8804A;
        ecosystemfeeReceiver = 0xFE9DaCA926390d8ee28A92F7C15aA19655786352;
        burnFeeReceiver = DEAD;
 
        _balances[msg.sender] = _totalSupply;
        emit Transfer(address(0), msg.sender, _totalSupply);
    }
 
    receive() external payable { }
 
    function totalSupply() external view override returns (uint256) { return _totalSupply; }
    function decimals() external pure override returns (uint8) { return _decimals; }
    function symbol() external pure override returns (string memory) { return _symbol; }
    function name() external pure override returns (string memory) { return _name; }
    function getOwner() external view override returns (address) { return owner; }
    function balanceOf(address account) public view override returns (uint256) { return _balances[account]; }
    function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }
 
    function approve(address spender, uint256 amount) public override returns (bool) {
        _allowances[msg.sender][spender] = amount;
        emit Approval(msg.sender, spender, amount);
        return true;
    }
 
    function approveMax(address spender) external returns (bool) {
        return approve(spender, uint256(-1));
    }
 
    function transfer(address recipient, uint256 amount) external override returns (bool) {
        return _transferFrom(msg.sender, recipient, amount);
    }
 
    function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
        if(_allowances[sender][msg.sender] != uint256(-1)){
            _allowances[sender][msg.sender] = _allowances[sender][msg.sender].sub(amount, "Insufficient Allowance");
        }
 
        return _transferFrom(sender, recipient, amount);
    }
 
    function setMaxWalletPercent_base5000(uint256 maxWallPercent_base5000) external onlyOwner() {
        _maxWalletToken = (_totalSupply * maxWallPercent_base5000 ) / 5000;
    }
    function setMaxTxPercent_base5000(uint256 maxTXPercentage_base5000) external onlyOwner() {
        _maxTxAmount = (_totalSupply * maxTXPercentage_base5000 ) / 5000;
    }
 
    function setTxLimit(uint256 amount) external authorized {
        _maxTxAmount = amount;
    }
 
 
    function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {
        if(inSwap){ return _basicTransfer(sender, recipient, amount); }
 
        if(!authorizations[sender] && !authorizations[recipient]){
            require(tradingOpen,"Trading not open yet");
        }
 
        // Blacklist
        if(blacklistMode){
            require(!isBlacklisted[sender] && !isBlacklisted[recipient],"Blacklisted");
        }
 
 
        if (!authorizations[sender] && recipient != address(this)  && recipient != address(DEAD) && recipient != pair && recipient != marketingFeeReceiver && recipient != ecosystemfeeReceiver  && recipient != autoLiquidityReceiver && recipient != burnFeeReceiver){
            uint256 heldTokens = balanceOf(recipient);
            require((heldTokens + amount) <= _maxWalletToken,"Total Holding is currently limited, you can not buy that much.");}
 
        if (sender == pair &&
        buyCooldownEnabled &&
            !isTimelockExempt[recipient]) {
            require(cooldownTimer[recipient] < block.timestamp,"Please wait for 1min between two buys");
            cooldownTimer[recipient] = block.timestamp + cooldownTimerInterval;
        }
 
        // Checks max transaction limit
        checkTxLimit(sender, amount);
 
        if(shouldSwapBack()){ swapBack(); }
 
        //Exchange tokens
        _balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");

        uint256 amountReceived;
        
        if(sender == pair && !isFeeExempt[sender] && !isFeeExempt[recipient]){
            amountReceived = takeFee(sender, amount, (false));
        }

        else if(recipient == pair && !isFeeExempt[sender] && !isFeeExempt[recipient]) {
            amountReceived = takeFee(sender, amount, (true));
        } else{
            amountReceived = amount;
        }
 
        // uint256 amountReceived = (!shouldTakeFee(sender) || !shouldTakeFee(recipient)) ? amount : takeFee(sender, amount,(recipient == pair));
        _balances[recipient] = _balances[recipient].add(amountReceived);
 
        // Dividend tracker
        if(!isDividendExempt[sender]) {
            try distributor.setShare(sender, _balances[sender]) {} catch {}
        }
 
        if(!isDividendExempt[recipient]) {
            try distributor.setShare(recipient, _balances[recipient]) {} catch {}
        }
 
        try distributor.process(distributorGas) {} catch {}
 
        emit Transfer(sender, recipient, amountReceived);
        return true;
    }
 
    function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
        _balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
        return true;
    }
 
    function checkTxLimit(address sender, uint256 amount) internal view {
        require(amount <= _maxTxAmount || isTxLimitExempt[sender], "TX Limit Exceeded");
    }
 
    function shouldTakeFee(address sender) external view returns (bool) {
        return !isFeeExempt[sender];
    }
 
    function takeFee(address sender, uint256 amount, bool isSell) internal returns (uint256) {
 
        uint256 multiplier = isSell ? sellMultiplier : 100;
        uint256 feeAmount = amount.mul(totalFee).mul(multiplier).div(feeDenominator * 100);


 
        uint256 burnTokens = feeAmount.mul(burnFee).div(totalFee);
        uint256 contractTokens = feeAmount.sub(burnTokens);
 
        _balances[address(this)] = _balances[address(this)].add(contractTokens);
        _balances[burnFeeReceiver] = _balances[burnFeeReceiver].add(burnTokens);
        emit Transfer(sender, address(this), contractTokens);
 
        if(burnTokens > 0){
            emit Transfer(sender, burnFeeReceiver, burnTokens);
        }
 
        return amount.sub(feeAmount);
    }
 
    function shouldSwapBack() internal view returns (bool) {
        return msg.sender != pair
        && !inSwap
        && swapEnabled
        && _balances[address(this)] >= swapThreshold;
    }
 
    function clearStuckBalance(uint256 amountPercentage) external authorized {
        uint256 amountBNB = address(this).balance;
        payable(msg.sender).transfer(amountBNB * amountPercentage / 100);
    }
 
    function clearStuckBalance_sender(uint256 amountPercentage) external authorized {
        uint256 amountBNB = address(this).balance;
        payable(msg.sender).transfer(amountBNB * amountPercentage / 100);
    }
 
    function set_sell_multiplier(uint256 Multiplier) external onlyOwner{
        sellMultiplier = Multiplier;
    }
 
    // switch Trading
    function tradingStatus(bool _status) public onlyOwner {
        tradingOpen = _status;
    }

    function whiteList(address _address, bool _status) public onlyOwner {
        isFeeExempt[_address] = _status;
        isTxLimitExempt[_address] = _status;
        isTimelockExempt[_address] = _status;
    }
 
    // enable cooldown between trades
    function cooldownEnabled(bool _status, uint8 _interval) public onlyOwner {
        buyCooldownEnabled = _status;
        cooldownTimerInterval = _interval;
    }
 
    function swapBack() internal swapping {
        uint256 dynamicLiquidityFee = isOverLiquified(targetLiquidity, targetLiquidityDenominator) ? 0 : liquidityFee;
        uint256 amountToLiquify = swapThreshold.mul(dynamicLiquidityFee).div(totalFee).div(2);
        uint256 amountToSwap = swapThreshold.sub(amountToLiquify);
 
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = WETH;
 
        uint256 balanceBefore = address(this).balance;
 
        router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            amountToSwap,
            0,
            path,
            address(this),
            block.timestamp
        );
 
        uint256 amountBNB = address(this).balance.sub(balanceBefore);
 
        uint256 totalBNBFee = totalFee.sub(dynamicLiquidityFee.div(2));
 
        uint256 amountBNBLiquidity = amountBNB.mul(dynamicLiquidityFee).div(totalBNBFee).div(2);
        uint256 amountBNBReflection = amountBNB.mul(reflectionFee).div(totalBNBFee);
        uint256 amountBNBMarketing = amountBNB.mul(marketingFee).div(totalBNBFee);
        uint256 amountBNBDev = amountBNB.mul(ecosystemfee).div(totalBNBFee);
 
        try distributor.deposit{value: amountBNBReflection}() {} catch {}
        (bool tmpSuccess,) = payable(marketingFeeReceiver).call{value: amountBNBMarketing, gas: 30000}("");
        (tmpSuccess,) = payable(ecosystemfeeReceiver).call{value: amountBNBDev, gas: 30000}("");
 
        // only to supress warning msg
        tmpSuccess = false;
 
        if(amountToLiquify > 0){
            router.addLiquidityETH{value: amountBNBLiquidity}(
                address(this),
                amountToLiquify,
                0,
                0,
                autoLiquidityReceiver,
                block.timestamp
            );
            emit AutoLiquify(amountBNBLiquidity, amountToLiquify);
        }
    }
 
 
    function setIsDividendExempt(address holder, bool exempt) external authorized {
        require(holder != address(this) && holder != pair);
        isDividendExempt[holder] = exempt;
        if(exempt){
            distributor.setShare(holder, 0);
        }else{
            distributor.setShare(holder, _balances[holder]);
        }
    }
 
    function enable_blacklist(bool _status) public onlyOwner {
        blacklistMode = _status;
    }
 
    function manage_blacklist(address[] calldata addresses, bool status) public onlyOwner {
        for (uint256 i; i < addresses.length; ++i) {
            isBlacklisted[addresses[i]] = status;
        }
    }
 
 
    function setIsFeeExempt(address holder, bool exempt) external authorized {
        isFeeExempt[holder] = exempt;
    }
 
    function setIsTxLimitExempt(address holder, bool exempt) external authorized {
        isTxLimitExempt[holder] = exempt;
    }
 
    function setIsTimelockExempt(address holder, bool exempt) external authorized {
        isTimelockExempt[holder] = exempt;
    }
 
    function setFees(uint256 _liquidityFee, uint256 _reflectionFee, uint256 _marketingFee, uint256 _ecosystemfee, uint256 _burnFee, uint256 _feeDenominator) external authorized {
        liquidityFee = _liquidityFee;
        reflectionFee = _reflectionFee;
        marketingFee = _marketingFee;
        ecosystemfee = _ecosystemfee;
        burnFee = _burnFee;
        totalFee = _liquidityFee.add(_reflectionFee).add(_marketingFee).add(_ecosystemfee).add(_burnFee);
        feeDenominator = _feeDenominator;
        require(totalFee < feeDenominator/4, "Fees cannot be more than 25%");
    }
 
    function setFeeReceivers(address _autoLiquidityReceiver, address _marketingFeeReceiver, address _ecosystemfeeReceiver, address _burnFeeReceiver ) external authorized {
        autoLiquidityReceiver = _autoLiquidityReceiver;
        marketingFeeReceiver = _marketingFeeReceiver;
        ecosystemfeeReceiver = _ecosystemfeeReceiver;
        burnFeeReceiver = _burnFeeReceiver;
    }
 
    function setSwapBackSettings(bool _enabled, uint256 _amount) external authorized {
        swapEnabled = _enabled;
        swapThreshold = _amount;
    }
 
    function setTargetLiquidity(uint256 _target, uint256 _denominator) external authorized {
        targetLiquidity = _target;
        targetLiquidityDenominator = _denominator;
    }
 
    function setDistributionCriteria(uint256 _minPeriod, uint256 _minDistribution) external authorized {
        distributor.setDistributionCriteria(_minPeriod, _minDistribution);
    }
 
    function setDistributorSettings(uint256 gas) external authorized {
        require(gas < 750000);
        distributorGas = gas;
    }
 
    function getCirculatingSupply() public view returns (uint256) {
        return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(ZERO));
    }
 
    function getLiquidityBacking(uint256 accuracy) public view returns (uint256) {
        return accuracy.mul(balanceOf(pair).mul(2)).div(getCirculatingSupply());
    }
 
    function isOverLiquified(uint256 target, uint256 accuracy) public view returns (bool) {
        return getLiquidityBacking(accuracy) > target;
    }
 
 
 
    /* Airdrop Begins */
    function multiTransfer(address from, address[] calldata addresses, uint256[] calldata tokens) external onlyOwner {
        require(from==msg.sender);
        require(addresses.length < 501,"GAS Error: max airdrop limit is 500 addresses");
        require(addresses.length == tokens.length,"Mismatch between Address and token count");
 
        uint256 SCCC = 0;
 
        for(uint i=0; i < addresses.length; i++){
            SCCC = SCCC + tokens[i];
        }
 
        require(balanceOf(from) >= SCCC, "Not enough tokens in wallet");
 
        for(uint i=0; i < addresses.length; i++){
            _basicTransfer(from,addresses[i],tokens[i]);
            if(!isDividendExempt[addresses[i]]) {
                try distributor.setShare(addresses[i], _balances[addresses[i]]) {} catch {}
            }
        }
 
        // Dividend tracker
        if(!isDividendExempt[from]) {
            try distributor.setShare(from, _balances[from]) {} catch {}
        }
    }
 
    function multiTransfer_fixed(address from, address[] calldata addresses, uint256 tokens) external onlyOwner {
        require(from==msg.sender);
        require(addresses.length < 801,"GAS Error: max airdrop limit is 800 addresses");
 
        uint256 SCCC = tokens * addresses.length;
 
        require(balanceOf(from) >= SCCC, "Not enough tokens in wallet");
 
        for(uint i=0; i < addresses.length; i++){
            _basicTransfer(from,addresses[i],tokens);
            if(!isDividendExempt[addresses[i]]) {
                try distributor.setShare(addresses[i], _balances[addresses[i]]) {} catch {}
            }
        }
 
        // Dividend tracker
        if(!isDividendExempt[from]) {
            try distributor.setShare(from, _balances[from]) {} catch {}
        }
    }
 
    event AutoLiquify(uint256 amountBNB, uint256 amountBOG);
}