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/**

*Submitted for verification at BscScan.com on 2022-02-22

*Submitted for verification at BscScan.com on 2022-03-01

// SPDX-License-Identifier: unlicensed

pragma solidity ^0.7.4;

Text moved to lines 72-75

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;

}

Text moved to lines 95-97

function mul(uint256 a, uint256 b) internal pure returns (uint256) {

if (a == 0) {

return 0;

}

Text moved to lines 100-103

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;

Text moved with changes to lines 158-161 (91.0% similarity)

return c;

}

library SafeMathInt {

int256 private constant MIN_INT256 = int256(1) << 255;

int256 private constant MAX_INT256 = ~(int256(1) << 255);

function mul(int256 a, int256 b) internal pure returns (int256) {

int256 c = a * b;

require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));

require((b == 0) || (c / b == a));

return c;

}

function div(int256 a, int256 b) internal pure returns (int256) {

require(b != -1 || a != MIN_INT256);

return a / b;

}

function sub(int256 a, int256 b) internal pure returns (int256) {

int256 c = a - b;

require((b >= 0 && c <= a) || (b < 0 && c > a));

return c;

}

function add(int256 a, int256 b) internal pure returns (int256) {

int256 c = a + b;

require((b >= 0 && c >= a) || (b < 0 && c < a));

return c;

}

function abs(int256 a) internal pure returns (int256) {

require(a != MIN_INT256);

return a < 0 ? -a : a;

}

/**

interface IERC20 {

* 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 balanceOf(address who) external view returns (uint256);

function name() external view returns (string memory);

function getOwner() external view returns (address);

function allowance(address owner, address spender)

function balanceOf(address account) external view returns (uint256);

external

function transfer(address recipient, uint256 amount) external returns (bool);

view

function allowance(address _owner, address spender) external view returns (uint256);

returns (uint256);

function approve(address spender, uint256 amount) external returns (bool);

function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

function transfer(address to, uint256 value) external returns (bool);

function approve(address spender, uint256 value) external returns (bool);

function transferFrom(

address from,

address to,

uint256 value

) external returns (bool);

event Transfer(address indexed from, address indexed to, uint256 value);

event Approval(address indexed owner, address indexed spender, uint256 value);

event Approval(

address indexed owner,

address indexed spender,

uint256 value

);

}

Text moved from lines 10-13

abstract contract Auth {

library SafeMath {

address internal owner;

function add(uint256 a, uint256 b) internal pure returns (uint256) {

mapping (address => bool) internal authorizations;

uint256 c = a + b;

require(c >= a, "SafeMath: addition overflow");

constructor(address _owner) {

return c;

owner = _owner;

authorizations[_owner] = true;

}

modifier onlyOwner() {

function sub(uint256 a, uint256 b) internal pure returns (uint256) {

require(isOwner(msg.sender), "!OWNER"); _;

return sub(a, b, "SafeMath: subtraction overflow");

}

modifier authorized() {

function sub(

require(isAuthorized(msg.sender), "!AUTHORIZED"); _;

uint256 a,

}

uint256 b,

string memory errorMessage

) internal pure returns (uint256) {

require(b <= a, errorMessage);

uint256 c = a - b;

function authorize(address adr) public onlyOwner {

return c;

authorizations[adr] = true;

}

Text moved from lines 26-28

function unauthorize(address adr) public onlyOwner {

function mul(uint256 a, uint256 b) internal pure returns (uint256) {

authorizations[adr] = false;

if (a == 0) {

return 0;

}

Text moved from lines 31-34

function isOwner(address account) public view returns (bool) {

uint256 c = a * b;

return account == owner;

require(c / a == b, "SafeMath: multiplication overflow");

return c;

}

function isAuthorized(address adr) public view returns (bool) {

function div(uint256 a, uint256 b) internal pure returns (uint256) {

return authorizations[adr];

return div(a, b, "SafeMath: division by zero");

}

function transferOwnership(address payable adr) public onlyOwner {

function div(

owner = adr;

uint256 a,

authorizations[adr] = true;

uint256 b,

emit OwnershipTransferred(adr);

string memory errorMessage

) internal pure returns (uint256) {

require(b > 0, errorMessage);

uint256 c = a / b;

return c;

}

event OwnershipTransferred(address owner);

function mod(uint256 a, uint256 b) internal pure returns (uint256) {

require(b != 0);

return a % b;

}

interface IDEXFactory {

function createPair(address tokenA, address tokenB) external returns (address pair);

}

interface InterfaceLP {

function sync() external;

}

library Roles {

struct Role {

mapping (address => bool) bearer;

}

/**

* @dev Give an account access to this role.

function add(Role storage role, address account) internal {

require(!has(role, account), "Roles: account already has role");

role.bearer[account] = true;

}

/**

* @dev Remove an account's access to this role.

function remove(Role storage role, address account) internal {

require(has(role, account), "Roles: account does not have role");

role.bearer[account] = false;

}

/**

* @dev Check if an account has this role.

* @return bool

function has(Role storage role, address account) internal view returns (bool) {

require(account != address(0), "Roles: account is the zero address");

Text moved with changes from lines 42-45 (91.0% similarity)

return role.bearer[account];

}

contract MinterRole {

using Roles for Roles.Role;

event MinterAdded(address indexed account);

event MinterRemoved(address indexed account);

Roles.Role private _minters;

constructor () {

_addMinter(msg.sender);

}

modifier onlyMinter() {

require(isMinter(msg.sender), "MinterRole: caller does not have the Minter role");

}

function isMinter(address account) public view returns (bool) {

return _minters.has(account);

}

function renounceMinter() public {

_removeMinter(msg.sender);

}

function _addMinter(address account) internal {

_minters.add(account);

emit MinterAdded(account);

}

function _removeMinter(address account) internal {

_minters.remove(account);

emit MinterRemoved(account);

}

abstract contract ERC20Detailed is IERC20 {

string private _name;

string private _symbol;

uint8 private _decimals;

constructor(

string memory name,

string memory symbol,

uint8 decimals

) {

_name = name;

_symbol = symbol;

_decimals = decimals;

}

function name() public view returns (string memory) {

return _name;

}

function symbol() public view returns (string memory) {

return _symbol;

}

function decimals() public view returns (uint8) {

return _decimals;

}

interface IDEXRouter {

function factory() external pure returns (address);

function WETH() external pure returns (address);

function addLiquidity(

address tokenA,

address tokenB,

uint amountADesired,

uint256 amountADesired,

uint amountBDesired,

uint256 amountBDesired,

uint amountAMin,

uint256 amountAMin,

uint amountBMin,

uint256 amountBMin,

address to,

uint deadline

uint256 deadline

) external returns (uint amountA, uint amountB, uint liquidity);

)

external

returns (

uint256 amountA,

uint256 amountB,

uint256 liquidity

);

function addLiquidityETH(

address token,

uint amountTokenDesired,

uint256 amountTokenDesired,

uint amountTokenMin,

uint256 amountTokenMin,

uint amountETHMin,

uint256 amountETHMin,

address to,

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/**
 *Submitted for verification at BscScan.com on 2022-02-22
*/

// SPDX-License-Identifier: unlicensed

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;
    }
}

library SafeMathInt {
    int256 private constant MIN_INT256 = int256(1) << 255;
    int256 private constant MAX_INT256 = ~(int256(1) << 255);

function mul(int256 a, int256 b) internal pure returns (int256) {
        int256 c = a * b;

require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));
        require((b == 0) || (c / b == a));
        return c;
    }

function div(int256 a, int256 b) internal pure returns (int256) {
        require(b != -1 || a != MIN_INT256);

return a / b;
    }

function sub(int256 a, int256 b) internal pure returns (int256) {
        int256 c = a - b;
        require((b >= 0 && c <= a) || (b < 0 && c > a));
        return c;
    }

function add(int256 a, int256 b) internal pure returns (int256) {
        int256 c = a + b;
        require((b >= 0 && c >= a) || (b < 0 && c < a));
        return c;
    }

function abs(int256 a) internal pure returns (int256) {
        require(a != MIN_INT256);
        return a < 0 ? -a : a;
    }
}

/**
 * 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);
}

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 InterfaceLP {
    function sync() external;
}

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(0xe9e7CEA3DedcA5984780Bafc599bD69ADd087D56);
    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;

uint256 public minPeriod = 45 * 60;
    uint256 public minDistribution = 1 * (10 ** 25);

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 = RWRD.balanceOf(address(this));

address[] memory path = new address[](2);
        path[0] = WBNB;
        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 Quantic is IBEP20, Auth {
    using SafeMath for uint256;
    using SafeMathInt for int256;

address WBNB = 0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c;
    address DEAD = 0x000000000000000000000000000000000000dEaD;
    address ZERO = 0x0000000000000000000000000000000000000000;

string constant _name = "Quantic";
    string constant _symbol = "Quantic";
    uint8 constant _decimals = 18;

//mapping (address => uint256) _balances;
    mapping (address => uint256) _rBalance;
    mapping (address => mapping (address => uint256)) _allowances;

mapping (address => bool) public isFeeExempt;
    mapping (address => bool) public isTxLimitExempt;
    mapping (address => bool) public isTimelockExempt;
    mapping (address => bool) public isDividendExempt;

uint256 public liquidityFee    = 5;
    uint256 public reflectionFee   = 3;
    uint256 public treasuryFee    = 3;
    uint256 public sustainabilityFee      = 5;
    uint256 public totalFee        = treasuryFee + reflectionFee + liquidityFee + sustainabilityFee;
    uint256 public feeDenominator  = 100;

// Anti-Bot v2
    uint256 public maxRoomRent = 8000000000;
    bool public blacklistMode = true;
    mapping (address => bool) public isBlacklisted;

uint256 public deadBlocks = 1;
    uint256 public launchedAt = 0;

uint256 public sellMultiplier  = 111;

address public autoLiquidityReceiver;
    address public treasuryFeeReceiver;
    address public sustainabilityFeeReceiver;

uint256 targetLiquidity = 90;
    uint256 targetLiquidityDenominator = 100;

IDEXRouter public router;
    address public pair;
    InterfaceLP public pairContract;

bool public tradingOpen = false;

DividendDistributor public distributor;
    uint256 distributorGas = 500000;

bool public buyCooldownEnabled = true;
    uint8 public cooldownTimerInterval = 15;
    mapping (address => uint) private cooldownTimer;

bool public swapEnabled = true;
    bool inSwap;
    modifier swapping() { inSwap = true; _; inSwap = false; }

address public master;
    modifier onlyMaster() {
        require(msg.sender == master || isOwner(msg.sender));
        _;
    }

event LogRebase(uint256 indexed epoch, uint256 totalSupply);

uint256 private constant INITIAL_FRAGMENTS_SUPPLY = 4 * 10**9 * 10**_decimals;
    uint256 public swapThreshold = rSupply * 10 / 10000;
    uint256 public rebase_count = 0;
    uint256 public rate;
    uint256 public _totalSupply;
    uint256 private constant MAX_UINT256 = ~uint256(0);
    uint256 private constant MAX_SUPPLY = ~uint128(0);
    uint256 private constant rSupply = MAX_UINT256 - (MAX_UINT256 % INITIAL_FRAGMENTS_SUPPLY);

// Max wallet & Transaction
    uint256 public _maxTxAmount = rSupply.div(100).mul(1);
    uint256 public _maxWalletToken = rSupply.div(100).mul(2);

function rebase_percentage(uint256 _percentage_base1000, bool reduce) external onlyMaster returns (uint256 newSupply){

if(reduce){
            newSupply = rebase(0,int(_totalSupply.div(1000000000).mul(_percentage_base1000)).mul(-1));
        } else{
            newSupply = rebase(0,int(_totalSupply.div(1000000000).mul(_percentage_base1000)));
        }
        
    }

// Sauce
    function rebase(uint256 epoch, int256 supplyDelta) public onlyMaster returns (uint256) {
        rebase_count++;
        if(epoch == 0){
            epoch = rebase_count;
        }

require(!inSwap, "Try again");

if (supplyDelta == 0) {
            emit LogRebase(epoch, _totalSupply);
            return _totalSupply;
        }

if (supplyDelta < 0) {
            _totalSupply = _totalSupply.sub(uint256(-supplyDelta));
        } else {
            _totalSupply = _totalSupply.add(uint256(supplyDelta));
        }

if (_totalSupply > MAX_SUPPLY) {
            _totalSupply = MAX_SUPPLY;
        }

rate = rSupply.div(_totalSupply);
        pairContract.sync();

emit LogRebase(epoch, _totalSupply);
        return _totalSupply;
    }

constructor () Auth(msg.sender) {
        router = IDEXRouter(0x10ED43C718714eb63d5aA57B78B54704E256024E);
        pair = IDEXFactory(router.factory()).createPair(WBNB, address(this));
        _allowances[address(this)][address(router)] = uint256(-1);

pairContract = InterfaceLP(pair);
        _totalSupply = INITIAL_FRAGMENTS_SUPPLY;
        rate = rSupply.div(_totalSupply);

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;
        treasuryFeeReceiver = 0x86b9b757c931d10736089D5488367abfb196FdB4;
        sustainabilityFeeReceiver = 0x199b4354075c457882952AAC87e52Fb5DDB6379D;

_rBalance[msg.sender] = rSupply;
        emit Transfer(address(0), msg.sender, _totalSupply);
    }

receive() external payable { }

function balanceOf(address account) public view override returns (uint256) {
        return _rBalance[account].div(rate);
    }
    
    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 _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");
        }

uint256 rAmount = amount.mul(rate);

if (!authorizations[sender] && recipient != address(this)  && recipient != address(DEAD) && recipient != pair && recipient != treasuryFeeReceiver && recipient != sustainabilityFeeReceiver  && recipient != autoLiquidityReceiver){
            uint256 heldTokens = balanceOf(recipient);
            require((heldTokens + rAmount) <= _maxWalletToken,"Total Holding is currently limited, you can not buy that much.");}
        
        if (sender == pair &&
            buyCooldownEnabled &&
            !isTimelockExempt[recipient]) {
            require(cooldownTimer[recipient] < block.timestamp,"buy Cooldown exists");
            cooldownTimer[recipient] = block.timestamp + cooldownTimerInterval;
        }

// Blacklist
        if(blacklistMode){
            require(!isBlacklisted[sender] && !isBlacklisted[recipient],"Blacklisted");    
        }

// Checks max transaction limit
        checkTxLimit(sender, rAmount);

if(shouldSwapBack()){ swapBack(); }

//Exchange tokens
        _rBalance[sender] = _rBalance[sender].sub(rAmount, "Insufficient Balance");

uint256 amountReceived = (!shouldTakeFee(sender) || !shouldTakeFee(recipient)) ? rAmount : takeFee(sender, rAmount,(recipient == pair));
        _rBalance[recipient] = _rBalance[recipient].add(amountReceived);

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

if(!isDividendExempt[recipient]) {
            try distributor.setShare(recipient, balanceOf(recipient)) {} catch {} 
        }

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

emit Transfer(sender, recipient, amountReceived.div(rate));
        return true;
    }
    
    // Changed
    
    function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
        uint256 rAmount = amount.mul(rate);
        _rBalance[sender] = _rBalance[sender].sub(rAmount, "Insufficient Balance");
        _rBalance[recipient] = _rBalance[recipient].add(rAmount);
        emit Transfer(sender, recipient, rAmount.div(rate));
        return true;
    }

function checkTxLimit(address sender, uint256 rAmount) internal view {
        require(rAmount <= _maxTxAmount || isTxLimitExempt[sender], "TX Limit Exceeded");
    }

function shouldTakeFee(address sender) internal view returns (bool) {
        return !isFeeExempt[sender];
    }

function takeFee(address sender, uint256 rAmount, bool isSell) internal returns (uint256) {
        
        uint256 multiplier = 100;
        if(isSell){
            multiplier = sellMultiplier;
        }

uint256 feeAmount = rAmount.div(feeDenominator * 100).mul(totalFee).mul(multiplier);

if(!isSell && (launchedAt + deadBlocks) > block.number){
            feeAmount = rAmount.div(100).mul(99);
        }

_rBalance[address(this)] = _rBalance[address(this)].add(feeAmount);
        emit Transfer(sender, address(this), feeAmount.div(rate));

return rAmount.sub(feeAmount);
    }

function shouldSwapBack() internal view returns (bool) {
        return msg.sender != pair
        && !inSwap
        && swapEnabled
        && _rBalance[address(this)] >= swapThreshold;
    }

function clearStuckBalance(uint256 amountPercentage) external authorized {
        uint256 amountBNB = address(this).balance;
        payable(treasuryFeeReceiver).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;      
        require(Multiplier < 120, "Sell Fees cannot exceed more than 20% of the buy tax");  
    }

// switch Trading
    
    function tradingStatus(bool _status, uint256 _deadBlocks) external onlyOwner {
        tradingOpen = _status;
        if(tradingOpen && launchedAt == 0){
            launchedAt = block.number;
            deadBlocks = _deadBlocks;
        }
    }

function launchStatus(uint256 _launchblock) external onlyOwner {
        launchedAt = _launchblock;
    }

function enable_blacklist(bool _status) external onlyOwner {
        blacklistMode = _status;
    }

function manage_blacklist(address[] calldata addresses, bool status) external onlyOwner {
        for (uint256 i; i < addresses.length; ++i) {
            isBlacklisted[addresses[i]] = status;
        }
    }

function cooldownEnabled(bool _status, uint8 _interval) external onlyOwner {
        buyCooldownEnabled = _status;
        cooldownTimerInterval = _interval;
    }

function swapBack() internal swapping {
        uint256 dynamicLiquidityFee = liquidityFee;
        uint256 tokensToSell = swapThreshold.div(rate);

uint256 amountToLiquify = tokensToSell.div(totalFee).mul(dynamicLiquidityFee).div(2);
        uint256 amountToSwap = tokensToSell.sub(amountToLiquify);

address[] memory path = new address[](2);
        path[0] = address(this);
        path[1] = WBNB;

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 amountBNBTreasury = amountBNB.mul(treasuryFee).div(totalBNBFee);
        uint256 amountBNBDev = amountBNB.mul(sustainabilityFee).div(totalBNBFee);

try distributor.deposit{value: amountBNBReflection}() {} catch {}
        (bool tmpSuccess,) = payable(treasuryFeeReceiver).call{value: amountBNBTreasury, gas: 30000}("");
        (tmpSuccess,) = payable(sustainabilityFeeReceiver).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.div(rate));
        }
    }

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

function setFees(uint256 _liquidityFee, uint256 _reflectionFee, uint256 _treasuryFee, uint256 _sustainabilityFee, uint256 _feeDenominator) external authorized {
        liquidityFee = _liquidityFee;
        reflectionFee = _reflectionFee;
        treasuryFee = _treasuryFee;
        sustainabilityFee = _sustainabilityFee;
        totalFee = _liquidityFee.add(_reflectionFee).add(_treasuryFee).add(_sustainabilityFee);
        feeDenominator = _feeDenominator;
        require(totalFee < feeDenominator/5, "Fees cannot be more than 16.6%");
    }

function setFeeReceivers(address _autoLiquidityReceiver, address _treasuryFeeReceiver, address _sustainabilityFeeReceiver ) external authorized {
        autoLiquidityReceiver = _autoLiquidityReceiver;
        treasuryFeeReceiver = _treasuryFeeReceiver;
        sustainabilityFeeReceiver = _sustainabilityFeeReceiver;
    }

function setSwapBackSettings(bool _enabled, uint256 _percentage_base100000) external authorized {
        swapEnabled = _enabled;
        swapThreshold = rSupply.div(100000).mul(_percentage_base100000);
    }

function setTargetLiquidity(uint256 _target, uint256 _denominator) external authorized {
        targetLiquidity = _target;
        targetLiquidityDenominator = _denominator;
    }

function manualSync() external {
        InterfaceLP(pair).sync();
    }
    
    function setLP(address _address) external onlyOwner {
        pairContract = InterfaceLP(_address);
        isFeeExempt[_address];
    }

function setMaster(address _master) external onlyOwner {
        master = _master;
    }

function isNotInSwap() external view returns (bool) {
        return !inSwap;
    }

function checkSwapThreshold() external view returns (uint256) {
        return swapThreshold.div(rate);
    }

function setDistributionCriteria(uint256 _minPeriod, uint256 _minDistribution) external authorized {
        distributor.setDistributionCriteria(_minPeriod, _minDistribution);
    }

function setDistributorSettings(uint256 gas) external authorized {
        require(gas < 900000);
        distributorGas = gas;
    }
    
    
    function getCirculatingSupply() public view returns (uint256) {
        return (rSupply.sub(_rBalance[DEAD]).sub(_rBalance[ZERO])).div(rate);
    }

function getLiquidityBacking(uint256 accuracy) public view returns (uint256) {
        return accuracy.mul(balanceOf(pair).mul(2)).div(getCirculatingSupply());
    }

function isOverLiquified(uint256 target, uint256 accuracy) external view returns (bool) {
        return getLiquidityBacking(accuracy) > target;
    }

function checkMaxWalletToken() external view returns (uint256) {
        return _maxWalletToken.div(rate);
    }

function checkMaxTxAmount() external view returns (uint256) {
        return _maxTxAmount.div(rate);
    }

function setMaxWalletPercent_base1000(uint256 maxWallPercent_base1000) external onlyOwner() {
        _maxWalletToken = rSupply.div(1000).mul(maxWallPercent_base1000);
    }

function setMaxTxPercent_base1000(uint256 maxTXPercentage_base1000) external onlyOwner() {
        _maxTxAmount = rSupply.div(1000).mul(maxTXPercentage_base1000);
    }

/* Airdrop Begins */

function multiTransfer(address[] calldata addresses, uint256[] calldata tokens) external onlyOwner {

require(addresses.length < 801,"GAS Error: max airdrop limit is 500 addresses"); // to prevent overflow
    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(msg.sender) >= SCCC, "Not enough tokens in wallet");

for(uint i=0; i < addresses.length; i++){
        _basicTransfer(msg.sender,addresses[i],tokens[i]);
        if(!isDividendExempt[addresses[i]]) {
            try distributor.setShare(addresses[i], balanceOf(addresses[i])) {} catch {} 
        }
    }

// Dividend tracker
    if(!isDividendExempt[msg.sender]) {
        try distributor.setShare(msg.sender, balanceOf(msg.sender)) {} catch {}
    }
}

function multiTransfer_fixed(address[] calldata addresses, uint256 tokens) external onlyOwner {

require(addresses.length < 2001,"GAS Error: max airdrop limit is 2000 addresses"); // to prevent overflow

uint256 SCCC = tokens * addresses.length;

require(balanceOf(msg.sender) >= SCCC, "Not enough tokens in wallet");

for(uint i=0; i < addresses.length; i++){
        _basicTransfer(msg.sender,addresses[i],tokens);
        if(!isDividendExempt[addresses[i]]) {
            try distributor.setShare(addresses[i], balanceOf(addresses[i])) {} catch {} 
        }
    }

// Dividend tracker
    if(!isDividendExempt[msg.sender]) {
        try distributor.setShare(msg.sender, balanceOf(msg.sender)) {} catch {}
    }
}

event AutoLiquify(uint256 amountBNB, uint256 amountTokens);

}

परिवर्तित टेक्स्ट

फ़ाइल खोलें

/**
 *Submitted for verification at BscScan.com on 2022-03-01
*/

pragma solidity ^0.7.4;

library SafeMathInt {
    int256 private constant MIN_INT256 = int256(1) << 255;
    int256 private constant MAX_INT256 = ~(int256(1) << 255);

function mul(int256 a, int256 b) internal pure returns (int256) {
        int256 c = a * b;

require(c != MIN_INT256 || (a & MIN_INT256) != (b & MIN_INT256));
        require((b == 0) || (c / b == a));
        return c;
    }

function div(int256 a, int256 b) internal pure returns (int256) {
        require(b != -1 || a != MIN_INT256);

return a / b;
    }

function sub(int256 a, int256 b) internal pure returns (int256) {
        int256 c = a - b;
        require((b >= 0 && c <= a) || (b < 0 && c > a));
        return c;
    }

function add(int256 a, int256 b) internal pure returns (int256) {
        int256 c = a + b;
        require((b >= 0 && c >= a) || (b < 0 && c < a));
        return c;
    }

function abs(int256 a) internal pure returns (int256) {
        require(a != MIN_INT256);
        return a < 0 ? -a : a;
    }
}

interface IERC20 {
    function totalSupply() external view returns (uint256);

function balanceOf(address who) external view returns (uint256);

function allowance(address owner, address spender)
    external
    view
    returns (uint256);

function transfer(address to, uint256 value) external returns (bool);

function approve(address spender, uint256 value) external returns (bool);

function transferFrom(
        address from,
        address to,
        uint256 value
) external returns (bool);

event Transfer(address indexed from, address indexed to, uint256 value);

event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
);
}

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;
    }

function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b != 0);
        return a % b;
    }
}

interface InterfaceLP {
    function sync() external;
}

library Roles {
    struct Role {
        mapping (address => bool) bearer;
    }

/**
     * @dev Give an account access to this role.
     */
    function add(Role storage role, address account) internal {
        require(!has(role, account), "Roles: account already has role");
        role.bearer[account] = true;
    }

/**
     * @dev Remove an account's access to this role.
     */
    function remove(Role storage role, address account) internal {
        require(has(role, account), "Roles: account does not have role");
        role.bearer[account] = false;
    }

/**
     * @dev Check if an account has this role.
     * @return bool
     */
    function has(Role storage role, address account) internal view returns (bool) {
        require(account != address(0), "Roles: account is the zero address");
        return role.bearer[account];
    }
}

contract MinterRole {
    using Roles for Roles.Role;

event MinterAdded(address indexed account);
    event MinterRemoved(address indexed account);

Roles.Role private _minters;

constructor () {
        _addMinter(msg.sender);
    }

modifier onlyMinter() {
        require(isMinter(msg.sender), "MinterRole: caller does not have the Minter role");
        _;
    }

function isMinter(address account) public view returns (bool) {
        return _minters.has(account);
    }

function renounceMinter() public {
        _removeMinter(msg.sender);
    }

function _addMinter(address account) internal {
        _minters.add(account);
        emit MinterAdded(account);
    }

function _removeMinter(address account) internal {
        _minters.remove(account);
        emit MinterRemoved(account);
    }
}

abstract contract ERC20Detailed is IERC20 {
    string private _name;
    string private _symbol;
    uint8 private _decimals;

constructor(
        string memory name,
        string memory symbol,
        uint8 decimals
) {
        _name = name;
        _symbol = symbol;
        _decimals = decimals;
    }

function name() public view returns (string memory) {
        return _name;
    }

function symbol() public view returns (string memory) {
        return _symbol;
    }

function decimals() public view returns (uint8) {
        return _decimals;
    }
}

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

contract Ownable {
    address private _owner;

event OwnershipRenounced(address indexed previousOwner);

event OwnershipTransferred(
        address indexed previousOwner,
        address indexed newOwner
);

constructor() {
        _owner = msg.sender;
    }

function owner() public view returns (address) {
        return _owner;
    }

modifier onlyOwner() {
        require(isOwner());
        _;
    }

function isOwner() public view returns (bool) {
        return msg.sender == _owner;
    }

function renounceOwnership() public onlyOwner {
        emit OwnershipRenounced(_owner);
        _owner = address(0);
    }

function transferOwnership(address newOwner) public onlyOwner {
        _transferOwnership(newOwner);
    }

function _transferOwnership(address newOwner) internal {
        require(newOwner != address(0));
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

contract Xprotocol is ERC20Detailed, Ownable, MinterRole {
    using SafeMath for uint256;
    using SafeMathInt for int256;

event LogRebase(uint256 indexed epoch, uint256 totalSupply);

InterfaceLP public pairContract;

bool public initialDistributionFinished;

mapping(address => bool) allowTransfer;
    mapping(address => bool) _isFeeExempt;

modifier initialDistributionLock() {
        require(
            initialDistributionFinished ||
            isOwner() ||
            allowTransfer[msg.sender]
        );
        _;
    }

modifier validRecipient(address to) {
        require(to != address(0x0));
        _;
    }

uint256 private constant DECIMALS = 18;
    uint256 private constant MAX_UINT256 = ~uint256(0);

uint256 private constant INITIAL_FRAGMENTS_SUPPLY = 4 * 10**9 * 10**DECIMALS;

uint256 public liquidityFee = 5;
    uint256 public Treasury = 3;
    uint256 public RiskFreeValue = 5;
    uint256 public sellFee = 5;
    uint256 public totalFee = liquidityFee.add(Treasury).add(RiskFreeValue);
    uint256 public feeDenominator = 100;

address DEAD = 0x000000000000000000000000000000000000dEaD;
    address ZERO = 0x0000000000000000000000000000000000000000;

address public autoLiquidityReceiver;
    address public TreasuryReceiver;
    address public RiskFreeValueReceiver;

uint256 targetLiquidity = 50;
    uint256 targetLiquidityDenominator = 100;

IDEXRouter public router;
    address public pair;

bool public swapEnabled = true;
    uint256 private gonSwapThreshold = (TOTAL_GONS * 10) / 10000;
    bool inSwap;
    modifier swapping() {
        inSwap = true;
        _;
        inSwap = false;
    }

uint256 private constant TOTAL_GONS =
        MAX_UINT256 - (MAX_UINT256 % INITIAL_FRAGMENTS_SUPPLY);

uint256 private constant MAX_SUPPLY = ~uint128(0);

uint256 private _totalSupply;
    uint256 private _gonsPerFragment;
    mapping(address => uint256) private _gonBalances;

mapping(address => mapping(address => uint256)) private _allowedFragments;
    mapping(address => bool) public blacklist;

constructor() ERC20Detailed("Xprotocol", "XPT", uint8(DECIMALS)) {
        router = IDEXRouter(0x10ED43C718714eb63d5aA57B78B54704E256024E); //Sushi 0x1b02dA8Cb0d097eB8D57A175b88c7D8b47997506 // Cake 0x10ED43C718714eb63d5aA57B78B54704E256024E

pair = IDEXFactory(router.factory()).createPair(
            router.WETH(),
            address(this)
        );

autoLiquidityReceiver = 0x1d285c2Aa376eA3bb22fa794e398EDa698853dAE;
        TreasuryReceiver = 0xBE39cCC7d570Ff7D6e25f8B1E7Cc4C07b61fdfCb;
        RiskFreeValueReceiver = 0x1318aFA72C50E38b1a22d3FEd0E3eDA1FC013A60;

_allowedFragments[address(this)][address(router)] = uint256(-1);
        pairContract = InterfaceLP(pair);

_totalSupply = INITIAL_FRAGMENTS_SUPPLY;
        _gonBalances[TreasuryReceiver] = TOTAL_GONS;
        _gonsPerFragment = TOTAL_GONS.div(_totalSupply);

initialDistributionFinished = false;
        _isFeeExempt[TreasuryReceiver] = true;
        _isFeeExempt[address(this)] = true;

_transferOwnership(TreasuryReceiver);
        emit Transfer(address(0x0), TreasuryReceiver, _totalSupply);
    }

function updateBlacklist(address _user, bool _flag) public onlyOwner{
        blacklist[_user] = _flag;
    }

function rebase(uint256 epoch, int256 supplyDelta)
    external
    onlyOwner
    returns (uint256)
    {
        require(!inSwap, "Try again");
        if (supplyDelta == 0) {
            emit LogRebase(epoch, _totalSupply);
            return _totalSupply;
        }

if (supplyDelta < 0) {
            _totalSupply = _totalSupply.sub(uint256(-supplyDelta));
        } else {
            _totalSupply = _totalSupply.add(uint256(supplyDelta));
        }

if (_totalSupply > MAX_SUPPLY) {
            _totalSupply = MAX_SUPPLY;
        }

_gonsPerFragment = TOTAL_GONS.div(_totalSupply);
        pairContract.sync();

emit LogRebase(epoch, _totalSupply);
        return _totalSupply;
    }

function totalSupply() external view override returns (uint256) {
        return _totalSupply;
    }

function transfer(address to, uint256 value)
    external
    override
    validRecipient(to)
    initialDistributionLock
    returns (bool)
    {
        _transferFrom(msg.sender, to, value);
        return true;
    }

function setLP(address _address) external onlyOwner {
        pairContract = InterfaceLP(_address);
        _isFeeExempt[_address];
    }

function allowance(address owner_, address spender)
    external
    view
    override
    returns (uint256)
    {
        return _allowedFragments[owner_][spender];
    }

function balanceOf(address who) external view override returns (uint256) {
        return _gonBalances[who].div(_gonsPerFragment);
    }

function _basicTransfer(
        address from,
        address to,
        uint256 amount
) internal returns (bool) {
        uint256 gonAmount = amount.mul(_gonsPerFragment);
        _gonBalances[from] = _gonBalances[from].sub(gonAmount);
        _gonBalances[to] = _gonBalances[to].add(gonAmount);
        return true;
    }

function _transferFrom(
        address sender,
        address recipient,
        uint256 amount
) internal returns (bool) {
        require(!blacklist[sender] && !blacklist[recipient], 'in_blacklist');
        if (inSwap) {
            return _basicTransfer(sender, recipient, amount);
        }

uint256 gonAmount = amount.mul(_gonsPerFragment);

if (shouldSwapBack()) {
            swapBack();
        }

_gonBalances[sender] = _gonBalances[sender].sub(gonAmount);

uint256 gonAmountReceived = shouldTakeFee(sender, recipient)
            ? takeFee(sender, recipient, gonAmount)
            : gonAmount;
        _gonBalances[recipient] = _gonBalances[recipient].add(
            gonAmountReceived
        );

emit Transfer(
            sender,
            recipient,
            gonAmountReceived.div(_gonsPerFragment)
        );
        return true;
    }

function transferFrom(
        address from,
        address to,
        uint256 value
) external override validRecipient(to) returns (bool) {
        if (_allowedFragments[from][msg.sender] != uint256(-1)) {
            _allowedFragments[from][msg.sender] = _allowedFragments[from][
                msg.sender
                ].sub(value, "Insufficient Allowance");
        }

_transferFrom(from, to, value);
        return true;
    }

function swapBack() internal swapping {
        uint256 dynamicLiquidityFee = isOverLiquified(
            targetLiquidity,
            targetLiquidityDenominator
        )
            ? 0
            : liquidityFee;
        uint256 contractTokenBalance = _gonBalances[address(this)].div(
            _gonsPerFragment
        );
        uint256 amountToLiquify = contractTokenBalance
            .mul(dynamicLiquidityFee)
            .div(totalFee)
            .div(2);
        uint256 amountToSwap = contractTokenBalance.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 amountETH = address(this).balance.sub(balanceBefore);

uint256 totalETHFee = totalFee.sub(dynamicLiquidityFee.div(2));

uint256 amountETHLiquidity = amountETH
            .mul(dynamicLiquidityFee)
            .div(totalETHFee)
            .div(2);
        uint256 amountETHRiskFreeValue = amountETH.mul(RiskFreeValue).div(totalETHFee);
        uint256 amountETHTreasury = amountETH.mul(Treasury).div(
            totalETHFee
        );

(bool success, ) = payable(TreasuryReceiver).call{
            value: amountETHTreasury,
                gas: 30000
        }("");
        (success, ) = payable(RiskFreeValueReceiver).call{
            value: amountETHRiskFreeValue,
                gas: 30000
        }("");

success = false;

if (amountToLiquify > 0) {
            router.addLiquidityETH{value: amountETHLiquidity}(
                address(this),
                    amountToLiquify,
                    0,
                    0,
                    autoLiquidityReceiver,
                    block.timestamp
            );
        }
    }

function takeFee(address sender, address recipient, uint256 gonAmount)
    internal
    returns (uint256)
    {
        uint256 _totalFee = totalFee;
        if(recipient == pair) _totalFee = _totalFee.add(sellFee);

uint256 feeAmount = gonAmount.mul(_totalFee).div(feeDenominator);

_gonBalances[address(this)] = _gonBalances[address(this)].add(
            feeAmount
        );
        emit Transfer(sender, address(this), feeAmount.div(_gonsPerFragment));

return gonAmount.sub(feeAmount);
    }

function increaseAllowance(address spender, uint256 addedValue)
    external
    initialDistributionLock
    returns (bool)
    {
        _allowedFragments[msg.sender][spender] = _allowedFragments[msg.sender][
            spender
            ].add(addedValue);
        emit Approval(
        msg.sender,
        spender,
        _allowedFragments[msg.sender][spender]
    );
        return true;
    }

function approve(address spender, uint256 value)
    external
    override
    initialDistributionLock
    returns (bool)
    {
        _allowedFragments[msg.sender][spender] = value;
        emit Approval(msg.sender, spender, value);
        return true;
    }

function checkFeeExempt(address _addr) external view returns (bool) {
        return _isFeeExempt[_addr];
    }

function setInitialDistributionFinished() external onlyOwner {
        initialDistributionFinished = true;
    }

function enableTransfer(address _addr) external onlyOwner {
        allowTransfer[_addr] = true;
    }

function setFeeExempt(address _addr) external onlyOwner {
        _isFeeExempt[_addr] = true;
    }

function shouldTakeFee(address from, address to) internal view returns (bool) {
        return (pair == from || pair == to) && (!_isFeeExempt[from]);
    }

function mint(address recipient, uint256 amount) external onlyMinter {
        _totalSupply = _totalSupply.add(uint256(amount));

if (_totalSupply > MAX_SUPPLY) {
            _totalSupply = MAX_SUPPLY;
        }

_gonsPerFragment = TOTAL_GONS.div(_totalSupply);
        pairContract.sync();

_gonBalances[recipient] = _gonBalances[recipient].add(amount);
    }

function setSwapBackSettings(
        bool _enabled,
        uint256 _num,
        uint256 _denom
) external onlyOwner {
        swapEnabled = _enabled;
        gonSwapThreshold = TOTAL_GONS.div(_denom).mul(_num);
    }

function shouldSwapBack() internal view returns (bool) {
        return
        msg.sender != pair &&
        !inSwap &&
        swapEnabled &&
        _gonBalances[address(this)] >= gonSwapThreshold;
    }

function getCirculatingSupply() public view returns (uint256) {
        return
        (TOTAL_GONS.sub(_gonBalances[DEAD]).sub(_gonBalances[ZERO])).div(
            _gonsPerFragment
        );
    }

function setTargetLiquidity(uint256 target, uint256 accuracy) external onlyOwner {
        targetLiquidity = target;
        targetLiquidityDenominator = accuracy;
    }

function addMinter(address account) public onlyOwner {
        _addMinter(account);
    }

function removeMinter(address account) public onlyOwner {
        _removeMinter(account);
    }

function isNotInSwap() external view returns (bool) {
        return !inSwap;
    }

function sendPresale(address[] calldata recipients, uint256[] calldata values)
    external
    onlyOwner
    {
        for (uint256 i = 0; i < recipients.length; i++) {
        _transferFrom(msg.sender, recipients[i], values[i]);
    }
    }

function checkSwapThreshold() external view returns (uint256) {
        return gonSwapThreshold.div(_gonsPerFragment);
    }

function manualSync() external {
        InterfaceLP(pair).sync();
    }

function setFeeReceivers(
        address _autoLiquidityReceiver,
        address _TreasuryReceiver,
        address _RiskFreeValueReceiver
) external onlyOwner {
        autoLiquidityReceiver = _autoLiquidityReceiver;
        TreasuryReceiver = _TreasuryReceiver;
        RiskFreeValueReceiver = _RiskFreeValueReceiver;
    }

function setFees(
        uint256 _liquidityFee,
        uint256 _RiskFreeValue,
        uint256 _Treasury,
        uint256 _sellFee,
        uint256 _feeDenominator
) external onlyOwner {
        liquidityFee = _liquidityFee;
        RiskFreeValue = _RiskFreeValue;
        Treasury = _Treasury;
        sellFee = _sellFee;
        totalFee = liquidityFee.add(Treasury).add(RiskFreeValue);
        feeDenominator = _feeDenominator;
        require(totalFee < feeDenominator / 4);
    }

function clearStuckBalance(uint256 amountPercentage, address adr) external onlyOwner {
        uint256 amountETH = address(this).balance;
        payable(adr).transfer(
            (amountETH * amountPercentage) / 100
        );
    }

function rescueToken(address tokenAddress, uint256 tokens)
    public
    onlyOwner
    returns (bool success)
    {
        return ERC20Detailed(tokenAddress).transfer(msg.sender, tokens);
    }

function transferToAddressETH(address payable recipient, uint256 amount)
    private
    {
        recipient.transfer(amount);
    }

function getLiquidityBacking(uint256 accuracy)
    public
    view
    returns (uint256)
    {
        uint256 liquidityBalance = _gonBalances[pair].div(_gonsPerFragment);
        return
        accuracy.mul(liquidityBalance.mul(2)).div(getCirculatingSupply());
    }

function isOverLiquified(uint256 target, uint256 accuracy)
    public
    view
    returns (bool)
    {
        return getLiquidityBacking(accuracy) > target;
    }

receive() external payable {}
}

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