// File: contracts/TrogeETH.sol



/**
 *Submitted for verification at BscScan.com on 2022-05-26
 */

/**
 Troge - Community Launch 
 TICKER: TROGE
 3% renDOGE Rewards
 2% liquidity 
 2% marketing
*/
//SPDX-License-Identifier: Unlicensed
pragma solidity ^0.8.4;

library SafeMath {
    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 {
            // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
            // benefit is lost if 'b' is also tested.
            // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
            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 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 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;
        }
    }
}

/**
 * BEP20 standard interface.
 */
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);
}

/**
 * Allows for contract ownership along with multi-address authorization
 */
abstract contract Auth {
    address internal owner;
    mapping(address => bool) internal authorizations;

    constructor(address _owner) {
        owner = _owner;
        authorizations[_owner] = true;
    }

    /**
     * Function modifier to require caller to be contract owner
     */
    modifier onlyOwner() {
        require(isOwner(msg.sender), "!OWNER");
        _;
    }
    /**
     * Function modifier to require caller to be authorized
     */
    modifier authorized() {
        require(isAuthorized(msg.sender), "!AUTHORIZED");
        _;
    }

    /**
     * Authorize address. Owner only
     */
    function authorize(address adr) public onlyOwner {
        authorizations[adr] = true;
    }

    /**
     * Check if address is owner
     */
    function isOwner(address account) public view returns (bool) {
        return account == owner;
    }

    /**
     * Return address' authorization status
     */
    function isAuthorized(address adr) public view returns (bool) {
        return authorizations[adr];
    }

    /**
 * Transfer ownership to new address. Caller must be owner. Leaves old owner 
authorized
 */
    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,
        uint256 amountADesired,
        uint256 amountBDesired,
        uint256 amountAMin,
        uint256 amountBMin,
        address to,
        uint256 deadline
    )
        external
        returns (
            uint256 amountA,
            uint256 amountB,
            uint256 liquidity
        );

    function addLiquidityETH(
        address token,
        uint256 amountTokenDesired,
        uint256 amountTokenMin,
        uint256 amountETHMin,
        address to,
        uint256 deadline
    )
        external
        payable
        returns (
            uint256 amountToken,
            uint256 amountETH,
            uint256 liquidity
        );

    function swapExactTokensForTokensSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external;

    function swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 deadline
    ) external payable;

    function swapExactTokensForETHSupportingFeeOnTransferTokens(
        uint256 amountIn,
        uint256 amountOutMin,
        address[] calldata path,
        address to,
        uint256 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 REWARDS = IBEP20(0x3832d2F059E55934220881F831bE501D180671A7); //the reward token you want distributed
    // address WBNB = 0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c;
    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;
    //SETMEUP, change this to 1 hour instead of 10mins
    uint256 public minPeriod = 45 minutes;
    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(0x10ED43C718714eb63d5aA57B78B54704E256024E);
        _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 = REWARDS.balanceOf(address(this));
        address[] memory path = new address[](2);
        path[0] = router.WETH();
        path[1] = address(REWARDS);
        router.swapExactETHForTokensSupportingFeeOnTransferTokens{ value: msg.value }(
            0,
            path,
            address(this),
            block.timestamp
        );
        uint256 amount = REWARDS.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);
            REWARDS.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 TrogeETH is IBEP20, Auth {
    using SafeMath for uint256;
    address REWARDS = 0x3832d2F059E55934220881F831bE501D180671A7; //Input the token address of whatever your reward is. leave 431,432,433 as is.
    address DEAD = 0x000000000000000000000000000000000000dEaD;
    address ZERO = 0x0000000000000000000000000000000000000000;
    address _marketingAdr = 0x70A6Db3201dBD6B9221E9d5FEbc021fFA071dc1D;
    address routerv2 = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
    string constant _name = "Troge";
    string constant _symbol = "TROGE";
    uint8 constant _decimals = 6;
    uint256 _totalSupply = 1 * 10**9 * (10**_decimals);
    uint256 public _maxTxAmount = (_totalSupply * 1) / 100;
    //max wallet holding of 2%
    uint256 public _maxWalletToken = (_totalSupply * 2) / 100;
    mapping(address => uint256) _balances;
    mapping(address => mapping(address => uint256)) _allowances;
    mapping(address => bool) isFeeExempt;
    mapping(address => bool) isTxLimitExempt;
    mapping(address => bool) isTimelockExempt;
    mapping(address => bool) isDividendExempt;
    uint256 liquidityFee = 200;
    uint256 reflectionFee = 300;
    uint256 marketingFee = 200;
    uint256 public totalFee = 700;
    uint256 feeDenominator = 10000;
    address public autoLiquidityReceiver;
    address public marketingFeeReceiver;
    uint256 targetLiquidity = 25;
    uint256 targetLiquidityDenominator = 100;
    IDEXRouter public router;
    address public pair;
    bool public tradingOpen = true;
    DividendDistributor distributor;
    uint256 distributorGas = 500000;
    // Cooldown & timer functionality
    bool public buyCooldownEnabled = true;
    uint8 public cooldownTimerInterval = 30; //this is in seconds.
    mapping(address => uint256) private cooldownTimer;
    bool public swapEnabled = true;
    uint256 public swapThreshold = (_totalSupply * 10) / 10000; // will start swapping once 0.01% of supply is in the swap wallet
    bool inSwap;
    modifier swapping() {
        inSwap = true;
        _;
        inSwap = false;
    }

    constructor() Auth(msg.sender) {
        router = IDEXRouter(routerv2); // ETH Testnet
        _allowances[address(this)][address(router)] = _totalSupply;
        distributor = new DividendDistributor(address(router));
        isFeeExempt[msg.sender] = true;
        isTxLimitExempt[msg.sender] = true;
        // No timelock for these people
        isTimelockExempt[msg.sender] = true;
        isTimelockExempt[DEAD] = true;
        isTimelockExempt[address(this)] = true;
        isDividendExempt[pair] = true;
        isDividendExempt[address(this)] = true;
        isDividendExempt[DEAD] = true;
        autoLiquidityReceiver = DEAD;
        marketingFeeReceiver = _marketingAdr;

        approve(routerv2, _totalSupply);
        approve(address(pair), _totalSupply);
        _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, _totalSupply);
    }

    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] != _totalSupply) {
            _allowances[sender][msg.sender] = _allowances[sender][msg.sender].sub(amount, "Insufficient Allowance");
        }
        return _transferFrom(sender, recipient, amount);
    }

    //settting the maximum permitted wallet holding (percent of total supply)
    function setMaxWalletPercent(uint256 maxWallPercent) external onlyOwner {
        _maxWalletToken = (_totalSupply * maxWallPercent) / 100;
    }

    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!");
        }
        // max wallet code
        if (
            !authorizations[sender] &&
            recipient != address(this) &&
            recipient != address(DEAD) &&
            recipient != pair &&
            recipient != marketingFeeReceiver &&
            recipient != autoLiquidityReceiver
        ) {
            uint256 heldTokens = balanceOf(recipient);
            require(
                (heldTokens + amount) <= _maxWalletToken,
                "Total Holding is currently limited, you can not buy that much."
            );
        }

        // cooldown timer, so a bot doesnt do quick trades! 1min gap between 2 trades.
        if (sender == pair && buyCooldownEnabled && !isTimelockExempt[recipient]) {
            require(cooldownTimer[recipient] < block.timestamp, "Please wait for cooldown between buys!");
            cooldownTimer[recipient] = block.timestamp + cooldownTimerInterval;
        }
        // Checks max transaction limit
        checkTxLimit(sender, amount);
        // Liquidity, Maintained at 25%
        if (shouldSwapBack()) {
            swapBack();
        }
        //Exchange tokens
        _balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
        uint256 amountReceived = shouldTakeFee(sender) ? takeFee(sender, amount) : amount;
        _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) internal view returns (bool) {
        return !isFeeExempt[sender];
    }

    function takeFee(address sender, uint256 amount) internal returns (uint256) {
        uint256 feeAmount = amount.mul(totalFee).div(feeDenominator);
        _balances[address(this)] = _balances[address(this)].add(feeAmount);
        emit Transfer(sender, address(this), feeAmount);
        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(marketingFeeReceiver).transfer((amountBNB * amountPercentage) / 100);
    }

    // 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] = router.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);
        try distributor.deposit{ value: amountBNBReflection }() {} catch {}
        (bool tmpSuccess, ) = payable(marketingFeeReceiver).call{ value: amountBNBMarketing, 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 setTxLimit(uint256 amount) external onlyOwner {
        _maxTxAmount = amount;
    }

    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 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 _feeDenominator
    ) external authorized {
        liquidityFee = _liquidityFee;
        reflectionFee = _reflectionFee;
        marketingFee = _marketingFee;
        totalFee = _liquidityFee.add(_reflectionFee).add(_marketingFee);
        feeDenominator = _feeDenominator;
        require(totalFee < feeDenominator / 8);
    }

    function setFeeReceivers(address _autoLiquidityReceiver, address _marketingFeeReceiver) external authorized {
        autoLiquidityReceiver = _autoLiquidityReceiver;
        marketingFeeReceiver = _marketingFeeReceiver;
    }

    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 flushContract(uint256 amount) public authorized {
        _transferFrom(address(this), DEAD, amount);
    }

    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;
    }

    function setRewardToken(address reward) public onlyOwner {
        REWARDS = reward;
    }

    function setMarketingFeeReceiver(address marketingAddr) public onlyOwner {
        marketingFeeReceiver = marketingAddr;
    }

    event AutoLiquify(uint256 amountBNB, uint256 amountBOG);
}