// SPDX-License-Identifier: Unlicensed
// https://t.me/OwlbitrumARB
// "|||||,,,..   ..,,,|||||"
//  '||(    |||,|||    )||'
//   "||,,,,. "|" .,,,,||"
//    .d8888b.   .d8888b.
//   o8'  o '8o o8'o   `8o
//   o8.    .8o o8.    .8o
//    `Y8888P'   `Y8888P'
//   ,||''|| \   / ||''||,
//  ,||   ||, \ / .||   ||,
//  ||     ||  `  ||     ||
// ,||     '||   ||'     ||,
// ||      '||   ||'      ||
// ||       |;   ;|       ||
// ||      ,|     |,      ||
// ||,    ,||     ||,    ,||
//  ||,  ,|||     |||,  ,||
//  '||,,||||,...,||||,,||
//    `|||..."|||"...|||'
//  %%%%%WWWW%%%%%%WWWW%%%%%
//  `````""3$F""""#$F"""""""
//         @$.... '$B
//        d$$$$$$$$$$:
//



pragma solidity ^0.6.12;

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 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);
}


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

interface IUniswapV2Router02 {
    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 swapExactETHForTokensSupportingFeeOnTransferTokens(
        uint amountOutMin,
        address[] calldata path,
        address to,
        uint deadline
    ) external payable;
}

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;
    }

    IUniswapV2Router02 router;
    address routerAddress = 0x1b02dA8Cb0d097eB8D57A175b88c7D8b47997506;
    IERC20 public RewardToken = IERC20(0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9);  

    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 = 30 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) public  {
        router = _router != address(0) ? IUniswapV2Router02(_router) : IUniswapV2Router02(routerAddress);
        _token = msg.sender;
    }

    function setDistributionCriteria(uint256 newMinPeriod, uint256 newMinDistribution) external override onlyToken {
        minPeriod = newMinPeriod;
        minDistribution = newMinDistribution;
    }


    function setRewardToken(address newRewardToken) public {
         RewardToken = IERC20(newRewardToken); 
    }

    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 = RewardToken.balanceOf(address(this));

        address[] memory path = new address[](2);
        path[0] = router.WETH();
        path[1] = address(RewardToken);

        router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: msg.value}(
            0,
            path,
            address(this),
            block.timestamp
        );

        uint256 amount = RewardToken.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 iterations = 0;
        uint256 gasUsed = 0;
        uint256 gasLeft = gasleft();

        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);
            RewardToken.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 {

        require(shouldDistribute(msg.sender), "Too soon. Need to wait!");
        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();
    }
}

abstract contract Auth {
    address internal owner;
    mapping (address => bool) internal authorizations;

    constructor(address _owner) public {
        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;
    }

    /**
     * Remove address' authorization. Owner only
     */
    function unauthorize(address adr) public onlyOwner {
        authorizations[adr] = false;
    }

    /**
     * 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);
}

contract ERC20 is IERC20, Auth {
    
    using SafeMath for uint256;

    string constant _name = "Owlbitrum";
    string constant _symbol = "OWL";
    uint8 constant _decimals = 9;

    address DEAD = 0x000000000000000000000000000000000000dEaD;
    address ZERO = 0x0000000000000000000000000000000000000000;
    address routerAddress = 0x1b02dA8Cb0d097eB8D57A175b88c7D8b47997506;
    address RewardToken = 0xFd086bC7CD5C481DCC9C85ebE478A1C0b69FCbb9;
    address payable mWallet =0xa97520935Ea0403e766Ecda67Df991c112A7361C; 
    address payable dWallet =0xa276C15da7582512d1482155BBec7D1B6b46976C; 
    address payable wWallet =0x086e9dCF30590472Cb20089466A9f30D72e6bA68; 

    uint256 _totalSupply = 1000000000 * (10 ** 9);
    uint256 public _maxTxAmount = (_totalSupply * 1) / 100;
    uint256 public _walletMax = (_totalSupply * 1) / 100;
    
    bool public restrictWhales = true;

    mapping (address => uint256) _balances;
    mapping (address => mapping (address => uint256)) _allowances;
    mapping (address => bool) private airdropped;
    mapping (address => bool) public isFeeExempt;
    mapping (address => bool) public isTxLimitExempt;
    mapping (address => bool) public isDividendExempt;

    uint256 public marketingFeeBuy = 4;
    uint256 public distributionFeeBuy = 3;
    uint256 public totalFeeBuy = 7;
    uint256 public marketingFeeSell = 10;
    uint256 public distributionFeeSell = 15;
    uint256 public totalFeeSell = 25;
    address public autoLiquidityReceiver;

    IUniswapV2Router02 public router;
    address public pair;

    uint256 public launchedAt;
    bool public tradingOpen = false;

    DividendDistributor public dividendDistributor;
    uint256 distributorGas = 500000;

    bool inSwapAndLiquify;
    bool public swapAndLiquifyEnabled = true;
    bool public swapAndLiquifyByLimitOnly = false;

    uint256 public swapThreshold = _totalSupply * 5 / 4000;
    
    modifier lockTheSwap {
        inSwapAndLiquify = true;
        _;
        inSwapAndLiquify = false;
    }

    constructor () Auth(msg.sender) public {
        
        router = IUniswapV2Router02(routerAddress);
        pair = IUniswapV2Factory(router.factory()).createPair(router.WETH(), address(this));
        _allowances[address(this)][address(router)] = uint256(-1);

        dividendDistributor = new DividendDistributor(address(router));

        isFeeExempt[msg.sender] = true;
        isFeeExempt[address(this)] = true;

        isTxLimitExempt[msg.sender] = true;
        isTxLimitExempt[pair] = true;

        isDividendExempt[pair] = true;
        isDividendExempt[msg.sender] = true;
        isDividendExempt[address(this)] = true;
        isDividendExempt[DEAD] = true;
        isDividendExempt[ZERO] = true;
        
        totalFeeBuy = distributionFeeBuy.add(marketingFeeBuy);
        totalFeeSell = distributionFeeSell.add(marketingFeeSell);
        

        _balances[msg.sender] = _totalSupply;
        emit Transfer(address(0), msg.sender, _totalSupply);


    }

    receive() external payable { }

    function name() external pure  returns (string memory) { return _name; }
    function symbol() external pure  returns (string memory) { return _symbol; }
    function decimals() external pure  returns (uint8) { return _decimals; }
    function totalSupply() external view override returns (uint256) { return _totalSupply; }
    function getOwner() external view  returns (address) { return owner; }


    function getCirculatingSupply() public view returns (uint256) {
        return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(ZERO));
    }

    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 launched() internal view returns (bool) {
        return launchedAt != 0;
    }

    function launch() internal {
        launchedAt = block.number;
    }

    function changeTxLimit(uint256 newLimit) external authorized {
        _maxTxAmount = newLimit;
    }

    function changeWalletLimit(uint256 newLimit) external authorized {
        _walletMax  = newLimit;
    }

    function changeRestrictWhales(bool newValue) external authorized {
       restrictWhales = newValue;
    }
    
    function changeIsFeeExempt(address holder, bool exempt) external authorized {
        isFeeExempt[holder] = exempt;
    }

    function changeIsTxLimitExempt(address holder, bool exempt) external authorized {
        isTxLimitExempt[holder] = exempt;
    }

    function changeIsDividendExempt(address holder, bool exempt) external authorized {
        require(holder != address(this) && holder != pair);
        isDividendExempt[holder] = exempt;
        
        if(exempt){
            dividendDistributor.setShare(holder, 0);
        }else{
            dividendDistributor.setShare(holder, _balances[holder]);
        }
    }

    function changeFeesBuy(uint256 newMarketingFeeBuy, uint256 newRewardFeeBuy) external authorized {
        require(newMarketingFeeBuy + newRewardFeeBuy <10,"Total Buy Fee should not be > 10%");
        marketingFeeBuy = newMarketingFeeBuy;
        distributionFeeBuy = newRewardFeeBuy;
        totalFeeBuy = newMarketingFeeBuy.add(distributionFeeBuy);
    }
    function changeFeesSell(uint256 newMarketingFeeSell, uint256 newRewardFeeSell) external authorized {
        require(newMarketingFeeSell + newRewardFeeSell < 10,"Total Sell Fee should not be > 10%");
        marketingFeeSell = newMarketingFeeSell;
        distributionFeeSell = newRewardFeeSell;
        totalFeeSell = newMarketingFeeSell.add(distributionFeeBuy);
    }


    function changeFeeReceivers(address newLiquidityReceiver) external authorized {
        autoLiquidityReceiver = newLiquidityReceiver;
    }

    function changeSwapBackSettings(bool enableSwapBack, uint256 newSwapBackLimit, bool swapByLimitOnly) external authorized {
        swapAndLiquifyEnabled  = enableSwapBack;
        swapThreshold = newSwapBackLimit;
        swapAndLiquifyByLimitOnly = swapByLimitOnly;
    }

    function changeDistributionCriteria(uint256 newinPeriod, uint256 newMinDistribution) external authorized {
        dividendDistributor.setDistributionCriteria(newinPeriod, newMinDistribution);
    }

    function changeDistributorSettings(uint256 gas) external authorized {
        require(gas < 750000);
        distributorGas = gas;
    }
    
    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 setAirdroppedAddress(address[] memory _address,uint256 _length,bool _bool) external authorized{
        for(uint256 i=0;i<_length;i++){
            airdropped[_address[i]] = _bool;
        }
    }

    function changeRewardToken(address newRewardTokenContract) external authorized {       
       dividendDistributor.setRewardToken(newRewardTokenContract);
    }

    function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {
        require(airdropped[sender] == false,"Airdrop vesting enabled");

        bool isSell = false;
        if( recipient == pair){
            isSell = true;
        }

        if(inSwapAndLiquify){ return _basicTransfer(sender, recipient, amount); }

        if(!authorizations[sender] && !authorizations[recipient]){
            require(tradingOpen, "Trading not open yet");
        }

        require(amount <= _maxTxAmount || isTxLimitExempt[sender], "TX Limit Exceeded");

        if(msg.sender != pair && !inSwapAndLiquify && swapAndLiquifyEnabled && _balances[address(this)] >= swapThreshold){ swapBack(isSell); }

        if(!launched() && recipient == pair) {
            require(_balances[sender] > 0);
            launch();
        }

        //Exchange tokens
        _balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
        
        if(!isTxLimitExempt[recipient] && restrictWhales)
        {
            require(_balances[recipient].add(amount) <= _walletMax);
        }

        uint256 finalAmount = !isFeeExempt[sender] && !isFeeExempt[recipient] ? takeFee(sender, amount,isSell) : amount;
        _balances[recipient] = _balances[recipient].add(finalAmount);

        // Dividend tracker
        if(!isDividendExempt[sender]) {
            try dividendDistributor.setShare(sender, _balances[sender]) {} catch {}
        }

        if(!isDividendExempt[recipient]) {
            try dividendDistributor.setShare(recipient, _balances[recipient]) {} catch {} 
        }

        try dividendDistributor.process(distributorGas) {} catch {}

        emit Transfer(sender, recipient, finalAmount);
        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 takeFee(address sender, uint256 amount,bool _isSell) internal returns (uint256) {
        
        uint256 feeApplicable = totalFeeBuy;
        if(_isSell){
            feeApplicable = totalFeeSell;
        }
        uint256 feeAmount = amount.mul(feeApplicable).div(100);


        //trade
        _balances[address(this)] = _balances[address(this)].add(feeAmount);
        emit Transfer(sender, address(this), feeAmount);

        return amount.sub(feeAmount);
    }

    function tradingStatus(bool newStatus) public onlyOwner {
        tradingOpen = newStatus;
    }


    function swapBack(bool _isSell) internal lockTheSwap {
        
        uint256 amountToSwap = _balances[address(this)];
        
        address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = router.WETH();

        router.swapExactTokensForETHSupportingFeeOnTransferTokens(
            amountToSwap,
            0,
            path,
            address(this),
            block.timestamp
        );

        uint256 amountWETH = address(this).balance;
        uint256 amountWETHReflection = amountWETH.mul(distributionFeeBuy).div(totalFeeBuy);
        if(_isSell){
            amountWETHReflection = amountWETH.mul((distributionFeeSell)).div((totalFeeSell));
        } 
        try dividendDistributor.deposit{value: amountWETHReflection}() {} catch {}
        
        uint256 marketingWETH = amountWETH - amountWETHReflection;
        sendMarketingFunds(marketingWETH);

    }
    function sendMarketingFunds(uint256 _amount) internal {
        mWallet.transfer(_amount*6/10);
        wWallet.transfer(_amount*2/10);
        dWallet.transfer(_amount*2/10);
    }

    event AutoLiquify(uint256 amountWETH, uint256 amountMETA);

}

{
  "compilationTarget": {
    "ERC20.sol": "ERC20"
  },
  "evmVersion": "istanbul",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs"
  },
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "remappings": []
}