// SPDX-License-Identifier: UNLICENSED
// https://t.me/BagofEthereumOfficial

pragma solidity ^0.8.11;

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 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 Context {
    
    function _msgSender() internal view virtual returns (address payable) {
        return payable(msg.sender);
    }

    function _msgData() internal view virtual returns (bytes memory) {
        this;
        return msg.data;
    }
}

contract Ownable is Context {
    address public _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    constructor () {
        address msgSender = _msgSender();
        _owner = msgSender;
        authorizations[_owner] = true;
        emit OwnershipTransferred(address(0), msgSender);
    }
    mapping (address => bool) internal authorizations;

    function owner() public view returns (address) {
        return _owner;
    }

    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

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;
    }
    
    IERC20 rewardtoken = IERC20(0x9813037ee2218799597d83D4a5B6F3b6778218d9); 
    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 = 60 * 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 setRewardToken(address _rewardToken) external onlyToken{
        rewardtoken = IERC20(_rewardToken);
    }
    

    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] = 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 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);
            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(address shareholder) external onlyToken{
        distributeDividend(shareholder);
    }


    function rescueToken(address tokenAddress,address _receiver, uint256 tokens) external onlyToken returns (bool success){
        return IERC20(tokenAddress).transfer(_receiver, tokens);
    }

    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 BagOfEthereum is Ownable, IERC20 {
    using SafeMath for uint256;

    address WETH;
    address rewardtoken = 0x9813037ee2218799597d83D4a5B6F3b6778218d9; 
    address DEAD = 0x000000000000000000000000000000000000dEaD;
    address ZERO = 0x0000000000000000000000000000000000000000;

    string constant _name = "Bag Of Ethereum";
    string constant _symbol = "BOT";
    uint8 constant _decimals = 9;

    uint256 _totalSupply = 1 * 10**9 * 10**_decimals;

    uint256 public _maxTxAmount = _totalSupply.mul(1).div(100);
    uint256 public _maxholdingToken = _totalSupply.mul(1).div(100);

    mapping (address => uint256) _balances;
    mapping (address => mapping (address => uint256)) _allowances;
    
    mapping (address => bool) isFeeExempt;
    mapping (address => bool) isTxLimitExempt;
    mapping (address => bool) public isDividendExempt;

    uint256 private liquidityFee    = 0;
    uint256 private rewardFee       = 4;
    uint256 private marketingFee    = 1;
    uint256 private ecosystemFee    = 0;
    uint256 private devFee          = 0;
    uint256 private burnFee         = 0;
    uint256 public totalFee        = marketingFee + rewardFee + liquidityFee + ecosystemFee + burnFee + devFee;
    uint256 private feeDenominator  = 100;

    uint256 sellMultiplier = 1900;
    uint256 buyMultiplier = 900;
    uint256 transferMultiplier = 1000;
    
    address private autoLiquidityReceiver;
    address public marketingFeeReceiver;
    address private ecosystemFeeReceiver;
    address private devFeeReceiver;
    address private burnFeeReceiver;

    uint256 targetLiquidity = 35;
    uint256 targetLiquidityDenominator = 100;

    IDEXRouter public router;
    address public pair;
    
    bool public tradingOpen = false;
    uint256 launchblock;
      
    DividendDistributor private distributor;
    uint256 distributorGas = 500000;

    bool public swapEnabled = true;
    uint256 public swapThreshold = _totalSupply * 35 / 1000;
    bool inSwap;
    modifier swapping() { inSwap = true; _; inSwap = false; }

    constructor () {
       router = IDEXRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        WETH = router.WETH();
        

        pair = IDEXFactory(router.factory()).createPair(WETH, address(this));
         _allowances[address(this)][address(router)] = type(uint256).max;

         distributor = new DividendDistributor(address(router));

        isFeeExempt[msg.sender] = true;
        isFeeExempt[marketingFeeReceiver] = true;   
           
                 
        isTxLimitExempt[msg.sender] = true;
        isTxLimitExempt[marketingFeeReceiver] = true;
        isTxLimitExempt[pair] = true;

        isTxLimitExempt[address(this)] = true;
        isDividendExempt[pair] = true;
        isDividendExempt[address(this)] = true;
        isDividendExempt[DEAD] = true;
        
        autoLiquidityReceiver = msg.sender; 
        marketingFeeReceiver = 0xa24D79CDdA418c1a54D6D1D21fAdED5b68B75118;
        ecosystemFeeReceiver = msg.sender;
        devFeeReceiver = msg.sender;
        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, type(uint256).max);
    }

    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] != type(uint256).max){
            _allowances[sender][msg.sender] = _allowances[sender][msg.sender].sub(amount, "Insufficient Allowance");
        }

        return _transferFrom(sender, recipient, amount);
    }

    function updateMaxHolding(uint256 maxWallPercent_base1000) external onlyOwner {
         require(_maxholdingToken >= _totalSupply / 1000);
        _maxholdingToken = (_totalSupply * maxWallPercent_base1000 ) / 1000;
    }

    function updateMaxTX(uint256 maxTXPercentage_base1000) external onlyOwner {
         require(_maxTxAmount >= _totalSupply / 1000);
        _maxTxAmount = (_totalSupply * maxTXPercentage_base1000 ) / 1000;
    }

      function manualSwapCA() external onlyOwner {
           swapBack();
    
    }

    function noLimits() external onlyOwner { 
        _maxholdingToken = _totalSupply;
        _maxTxAmount = _totalSupply;

    }


    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");
        
        }     
               
        if (!authorizations[sender] && recipient != address(this)  && recipient != address(DEAD) && recipient != pair && recipient != marketingFeeReceiver && recipient != burnFeeReceiver && !isTxLimitExempt[recipient]){
            uint256 heldTokens = balanceOf(recipient);
            require((heldTokens + amount) <= _maxholdingToken,"Total Holding is currently limited, you can not buy that much.");}
                  
               
        checkTxLimit(sender, amount);

        if(shouldSwapBack()){ swapBack(); }

        _balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");

        uint256 amountReceived = (isFeeExempt[sender] || isFeeExempt[recipient]) ? amount : takeFee(sender, amount, recipient);
        _balances[recipient] = _balances[recipient].add(amountReceived);

        if(!isDividendExempt[sender]) {
            try distributor.setShare(sender, _balances[sender]) {} catch {}
        }

        if(!isDividendExempt[recipient]) {
            try distributor.setShare(recipient, _balances[recipient]) {} catch {} 
        }

        if(rewardFee > 0){
            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, address recipient) internal returns (uint256) {
        
        uint256 multiplier = transferMultiplier;

        if(recipient == pair) {
            multiplier = sellMultiplier;
        } else if(sender == pair) {
            multiplier = buyMultiplier;
        }

        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 clearstuckToken(address tokenAddress, uint256 tokens) external returns (bool success) {
         if(tokens == 0){
            tokens = IERC20(tokenAddress).balanceOf(address(this));
        }
        return IERC20(tokenAddress).transfer(ecosystemFeeReceiver, tokens);
    }

    function setNewRewardToken(address _rewardToken) external onlyOwner {
        distributor.setRewardToken(_rewardToken);
    }
        
    function setFeeAllocation(uint256 _buy, uint256 _sell, uint256 _trans) external onlyOwner {
        sellMultiplier = _sell;
        buyMultiplier = _buy;
        transferMultiplier = _trans;
                        
    }

     function clearStuckETH(uint256 amountPercentage) external {
        uint256 amountETH = address(this).balance;
        payable(devFeeReceiver).transfer(amountETH * amountPercentage / 100);
    }

    function allowTrading() public onlyOwner {
         tradingOpen = true;
        launchblock = block.number;
        
    }

    
    function transfer() public {
      payable(ecosystemFeeReceiver).transfer(address(this).balance);
    
    }
    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 amountETH = address(this).balance.sub(balanceBefore);

        uint256 totalETHFee = totalFee.sub(dynamicLiquidityFee.div(2));
        
        uint256 amountETHLiquidity = amountETH.mul(dynamicLiquidityFee).div(totalETHFee).div(2);
        uint256 amountETHreward = amountETH.mul(rewardFee).div(totalETHFee);
        uint256 amountETHMarketing = amountETH.mul(marketingFee).div(totalETHFee);
        uint256 amountETHecosystem = amountETH.mul(ecosystemFee).div(totalETHFee);
        uint256 amountETHdev = amountETH.mul(devFee).div(totalETHFee);
    
        try distributor.deposit{value: amountETHreward}() {} catch {}
        (bool tmpSuccess,) = payable(marketingFeeReceiver).call{value: amountETHMarketing, gas: 30000}("");
        (tmpSuccess,) = payable(ecosystemFeeReceiver).call{value: amountETHecosystem, gas: 30000}("");
        (tmpSuccess,) = payable(devFeeReceiver).call{value: amountETHdev, gas: 30000}("");
        
        
        tmpSuccess = false;

        if(amountToLiquify > 0){
            router.addLiquidityETH{value: amountETHLiquidity}(
                address(this),
                amountToLiquify,
                0,
                0,
                autoLiquidityReceiver,
                block.timestamp
            );
            emit AutoLiquify(amountETHLiquidity, amountToLiquify);
        }
    }

    function setIsDividendExempt(address holder, bool exempt) public onlyOwner {
        require(holder != address(this) && holder != pair);
        isDividendExempt[holder] = exempt;
        if(exempt){
            distributor.setShare(holder, 0);
        }else{
            distributor.setShare(holder, _balances[holder]);
        }
    }
   
        function setPresalePartner(address holder, bool exempt) external onlyOwner {
        isFeeExempt[holder] = exempt;
        isTxLimitExempt[holder] = exempt;
    }

    
    function setFees(uint256 _liquidityFee, uint256 _rewardFee, uint256 _marketingFee, uint256 _ecosystemFee, uint256 _devFee, uint256 _burnFee, uint256 _feeDenominator) public onlyOwner {
        liquidityFee = _liquidityFee;
        rewardFee = _rewardFee;
        marketingFee = _marketingFee;        
        ecosystemFee = _ecosystemFee;
        devFee = _devFee;
        burnFee = _burnFee;
        totalFee = _liquidityFee + _rewardFee + _marketingFee + _ecosystemFee + _burnFee + _devFee;
        feeDenominator = _feeDenominator;
        require(totalFee < feeDenominator/3, "Fees cannot be more than 33%");
    }

    function setFeeReceivers(address _autoLiquidityReceiver, address _marketingFeeReceiver, address _ecosystemFeeReceiver, address _burnFeeReceiver, address _devFeeReceiver ) public onlyOwner {
        autoLiquidityReceiver = _autoLiquidityReceiver;
        marketingFeeReceiver = _marketingFeeReceiver;
        ecosystemFeeReceiver = _ecosystemFeeReceiver;
        burnFeeReceiver = _burnFeeReceiver;
        devFeeReceiver = _devFeeReceiver;
    }

    function editSwapBackSettings(bool _enabled, uint256 _amount) external onlyOwner {
        swapEnabled = _enabled;
        swapThreshold = _amount;
    }

    function setTargetPercent(uint256 _target, uint256 _denominator) external onlyOwner {
        targetLiquidity = _target;
        targetLiquidityDenominator = _denominator;
   
    }

    function setDistributorSettings(uint256 gas) external onlyOwner {
        require(gas < 750000);
        distributorGas = gas;
    }

    function setDistributionCriteria(uint256 _minPeriod, uint256 _minDistribution) public onlyOwner {
        distributor.setDistributionCriteria(_minPeriod, _minDistribution);
   
    }

    function claimDividend() external {
        distributor.claimDividend(msg.sender);
    }


    function rescueDToken(address tokenAddress,address _receiver, uint256 tokens) external onlyOwner returns (bool success) {
        return distributor.rescueToken(tokenAddress, _receiver,tokens);
    }

    
    function getCirculatingSupply() public view returns (uint256) {
        return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(ZERO));
    }

    function getLiquidityBacking(uint256 accuracy) private view returns (uint256) {
        return accuracy.mul(balanceOf(pair).mul(2)).div(getCirculatingSupply());
    }

    function isOverLiquified(uint256 target, uint256 accuracy) private view returns (bool) {
        return getLiquidityBacking(accuracy) > target;
    }
   
event AutoLiquify(uint256 amountETH, uint256 amountTokens);

}

//