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quanticvsxprotocol

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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 95-103

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;

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 26-34

function unauthorize(address adr) public onlyOwner {

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

authorizations[adr] = false;

if (a == 0) {

return 0;

}

uint256 c = a * b;

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

return c;

}

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

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

return account == owner;

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

}

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

function div(

return authorizations[adr];

uint256 a,

uint256 b,

string memory errorMessage

) internal pure returns (uint256) {

require(b > 0, errorMessage);

uint256 c = a / b;

return c;

}

function transferOwnership(address payable adr) public onlyOwner {

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

owner = adr;

require(b != 0);

authorizations[adr] = true;

return a % b;

emit OwnershipTransferred(adr);

}

event OwnershipTransferred(address owner);

}

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,

uint deadline

uint256 deadline

) external payable returns (uint amountToken, uint amountETH, uint liquidity);

)

external

payable

returns (

uint256 amountToken,

uint256 amountETH,

uint256 liquidity

);

function swapExactTokensForTokensSupportingFeeOnTransferTokens(

uint amountIn,

uint256 amountIn,

uint amountOutMin,

uint256 amountOutMin,

address[] calldata path,

address to,

uint deadline

uint256 deadline

) external;

function swapExactETHForTokensSupportingFeeOnTransferTokens(

uint amountOutMin,

uint256 amountOutMin,

address[] calldata path,

address to,

uint deadline

uint256 deadline

) external payable;

function swapExactTokensForETHSupportingFeeOnTransferTokens(

uint amountIn,

uint256 amountIn,

uint amountOutMin,

uint256 amountOutMin,

address[] calldata path,

address to,

uint deadline

uint256 deadline

) external;

}

interface IDividendDistributor {

interface IDEXFactory {

function setDistributionCriteria(uint256 _minPeriod, uint256 _minDistribution) external;

function createPair(address tokenA, address tokenB)

function setShare(address shareholder, uint256 amount) external;

external

function deposit() external payable;

returns (address pair);

function process(uint256 gas) external;

}

contract DividendDistributor is IDividendDistributor {

contract Ownable {

using SafeMath for uint256;

address private _owner;

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;

event OwnershipRenounced(address indexed previousOwner);

uint256 public minDistribution = 1 * (10 ** 25);

uint256 currentIndex;

event OwnershipTransferred(

address indexed previousOwner,

address indexed newOwner

);

bool initialized;

constructor() {

modifier initialization() {

_owner = msg.sender;

require(!initialized);

initialized = true;

}

modifier onlyToken() {

function owner() public view returns (address) {

require(msg.sender == _token); _;

return _owner;

}

constructor (address _router) {

modifier onlyOwner() {

router = _router != address(0)

require(isOwner());

? IDEXRouter(_router)

: IDEXRouter(0x10ED43C718714eb63d5aA57B78B54704E256024E);

_token = msg.sender;

}

function setDistributionCriteria(uint256 _minPeriod, uint256 _minDistribution) external override onlyToken {

function isOwner() public view returns (bool) {

minPeriod = _minPeriod;

return msg.sender == _owner;

minDistribution = _minDistribution;

}

function setShare(address shareholder, uint256 amount) external override onlyToken {

function renounceOwnership() public onlyOwner {

if(shares[shareholder].amount > 0){

emit OwnershipRenounced(_owner);

distributeDividend(shareholder);

_owner = address(0);

}

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 {

function transferOwnership(address newOwner) public onlyOwner {

uint256 balanceBefore = RWRD.balanceOf(address(this));

_transferOwnership(newOwner);

address[] memory path = new address[](2);

path[0] = WBNB;

path[1] = address(RWRD);

router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: msg.value}(

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 {

function _transferOwnership(address newOwner) internal {

uint256 shareholderCount = shareholders.length;

require(newOwner != address(0));

emit OwnershipTransferred(_owner, newOwner);

if(shareholderCount == 0) { return; }

_owner = newOwner;

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 {

contract Xprotocol is ERC20Detailed, Ownable, MinterRole {

if(shares[shareholder].amount == 0){ return; }

using SafeMath for uint256;

using SafeMathInt for int256;

uint256 amount = getUnpaidEarnings(shareholder);

event LogRebase(uint256 indexed epoch, uint256 totalSupply);

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) {

InterfaceLP public pairContract;

if(shares[shareholder].amount == 0){ return 0; }

uint256 shareholderTotalDividends = getCumulativeDividends(shares[shareholder].amount);

bool public initialDistributionFinished;

uint256 shareholderTotalExcluded = shares[shareholder].totalExcluded;

if(shareholderTotalDividends <= shareholderTotalExcluded){ return 0; }

mapping(address => bool) allowTransfer;

mapping(address => bool) _isFeeExempt;

return shareholderTotalDividends.sub(shareholderTotalExcluded);

modifier initialDistributionLock() {

require(

initialDistributionFinished ||

isOwner() ||

allowTransfer[msg.sender]

);

}

function getCumulativeDividends(uint256 share) internal view returns (uint256) {

modifier validRecipient(address to) {

return share.mul(dividendsPerShare).div(dividendsPerShareAccuracyFactor);

require(to != address(0x0));

}

function addShareholder(address shareholder) internal {

uint256 private constant DECIMALS = 18;

shareholderIndexes[shareholder] = shareholders.length;

uint256 private constant MAX_UINT256 = ~uint256(0);

shareholders.push(shareholder);

}

function removeShareholder(address shareholder) internal {

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

shareholders[shareholderIndexes[shareholder]] = shareholders[shareholders.length-1];

shareholderIndexes[shareholders[shareholders.length-1]] = shareholderIndexes[shareholder];

shareholders.pop();

}

contract Quantic is IBEP20, Auth {

uint256 public liquidityFee = 5;

using SafeMath for uint256;

uint256 public Treasury = 3;

using SafeMathInt for int256;

uint256 public RiskFreeValue = 5;

uint256 public sellFee = 5;

uint256 public totalFee = liquidityFee.add(Treasury).add(RiskFreeValue);

uint256 public feeDenominator = 100;

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 TreasuryReceiver;

address public sustainabilityFeeReceiver;

address public RiskFreeValueReceiver;

uint256 targetLiquidity = 90;

uint256 targetLiquidity = 50;

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;

uint256 private gonSwapThreshold = (TOTAL_GONS * 10) / 10000;

bool inSwap;

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

modifier swapping() {

inSwap = true;

address public master;

modifier onlyMaster() {

require(msg.sender == master || isOwner(msg.sender));

inSwap = false;

}

event LogRebase(uint256 indexed epoch, uint256 totalSupply);

uint256 private constant TOTAL_GONS =

MAX_UINT256 - (MAX_UINT256 % INITIAL_FRAGMENTS_SUPPLY);

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 private _totalSupply;

uint256 public _maxTxAmount = rSupply.div(100).mul(1);

uint256 private _gonsPerFragment;

uint256 public _maxWalletToken = rSupply.div(100).mul(2);

mapping(address => uint256) private _gonBalances;

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

mapping(address => mapping(address => uint256)) private _allowedFragments;

mapping(address => bool) public blacklist;

if(reduce){

constructor() ERC20Detailed("Xprotocol", "XPT", uint8(DECIMALS)) {

newSupply = rebase(0,int(_totalSupply.div(1000000000).mul(_percentage_base1000)).mul(-1));

router = IDEXRouter(0x10ED43C718714eb63d5aA57B78B54704E256024E); //Sushi 0x1b02dA8Cb0d097eB8D57A175b88c7D8b47997506 // Cake 0x10ED43C718714eb63d5aA57B78B54704E256024E

} else{

newSupply = rebase(0,int(_totalSupply.div(1000000000).mul(_percentage_base1000)));

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);

}

// Sauce

function updateBlacklist(address _user, bool _flag) public onlyOwner{

function rebase(uint256 epoch, int256 supplyDelta) public onlyMaster returns (uint256) {

blacklist[_user] = _flag;

rebase_count++;

}

if(epoch == 0){

epoch = rebase_count;

}

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;

}

rate = rSupply.div(_totalSupply);

_gonsPerFragment = TOTAL_GONS.div(_totalSupply);

pairContract.sync();

emit LogRebase(epoch, _totalSupply);

return _totalSupply;

}

function totalSupply() external view override returns (uint256) {

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 transfer(address to, uint256 value)

external

override

validRecipient(to)

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

initialDistributionLock

function decimals() external pure override returns (uint8) { return _decimals; }

returns (bool)

function symbol() external pure override returns (string memory) { return _symbol; }

{

function name() external pure override returns (string memory) { return _name; }

_transferFrom(msg.sender, to, value);

function getOwner() external view override returns (address) { return owner; }

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 setLP(address _address) external onlyOwner {

pairContract = InterfaceLP(_address);

function approveMax(address spender) external returns (bool) {

_isFeeExempt[_address];

return approve(spender, uint256(-1));

}

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

function allowance(address owner_, address spender)

return _transferFrom(msg.sender, recipient, amount);

external

view

override

returns (uint256)

{

return _allowedFragments[owner_][spender];

}

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

function balanceOf(address who) external view override returns (uint256) {

if(_allowances[sender][msg.sender] != uint256(-1)){

return _gonBalances[who].div(_gonsPerFragment);

_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) {

function _basicTransfer(

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

address from,

address to,

if(!authorizations[sender] && !authorizations[recipient]){

uint256 amount

require(tradingOpen,"Trading not open yet");

) internal returns (bool) {

}

uint256 gonAmount = amount.mul(_gonsPerFragment);

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

uint256 rAmount = amount.mul(rate);

_gonBalances[to] = _gonBalances[to].add(gonAmount);

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 {

function _transferFrom(

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

address sender,

}

address recipient,

uint256 amount

function shouldTakeFee(address sender) internal view returns (bool) {

) internal returns (bool) {

return !isFeeExempt[sender];

require(!blacklist[sender] && !blacklist[recipient], 'in_blacklist');

}

if (inSwap) {

return _basicTransfer(sender, recipient, amount);

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);

uint256 gonAmount = amount.mul(_gonsPerFragment);

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

if (shouldSwapBack()) {

swapBack();

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 {

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

launchedAt = _launchblock;

}

function enable_blacklist(bool _status) external onlyOwner {

uint256 gonAmountReceived = shouldTakeFee(sender, recipient)

blacklistMode = _status;

? takeFee(sender, recipient, gonAmount)

: gonAmount;

_gonBalances[recipient] = _gonBalances[recipient].add(

gonAmountReceived

);

emit Transfer(

sender,

recipient,

gonAmountReceived.div(_gonsPerFragment)

);

return true;

}

function manage_blacklist(address[] calldata addresses, bool status) external onlyOwner {

function transferFrom(

for (uint256 i; i < addresses.length; ++i) {

address from,

isBlacklisted[addresses[i]] = status;

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");

}

function cooldownEnabled(bool _status, uint8 _interval) external onlyOwner {

_transferFrom(from, to, value);

buyCooldownEnabled = _status;

return true;

cooldownTimerInterval = _interval;

}

function swapBack() internal swapping {

uint256 dynamicLiquidityFee = liquidityFee;

uint256 dynamicLiquidityFee = isOverLiquified(

uint256 tokensToSell = swapThreshold.div(rate);

targetLiquidity,

targetLiquidityDenominator

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

)

uint256 amountToSwap = tokensToSell.sub(amountToLiquify);

? 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] = WBNB;

path[1] = router.WETH();

uint256 balanceBefore = address(this).balance;

router.swapExactTokensForETHSupportingFeeOnTransferTokens(

amountToSwap,

path,

address(this),

block.timestamp

);

uint256 amountBNB = address(this).balance.sub(balanceBefore);

uint256 amountETH = address(this).balance.sub(balanceBefore);

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

uint256 totalETHFee = 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 {}

uint256 amountETHLiquidity = amountETH

(bool tmpSuccess,) = payable(treasuryFeeReceiver).call{value: amountBNBTreasury, gas: 30000}("");

.mul(dynamicLiquidityFee)

(tmpSuccess,) = payable(sustainabilityFeeReceiver).call{value: amountBNBDev, gas: 30000}("");

.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,

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 decreaseAllowance(address spender, uint256 subtractedValue)

external

initialDistributionLock

returns (bool)

{

uint256 oldValue = _allowedFragments[msg.sender][spender];

if (subtractedValue >= oldValue) {

_allowedFragments[msg.sender][spender] = 0;

} else {

_allowedFragments[msg.sender][spender] = oldValue.sub(

subtractedValue

);

}

emit Approval(

msg.sender,

spender,

_allowedFragments[msg.sender][spender]

);

return true;

}

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 {}

}

Saved diffs

Original text

Open file

/**
 *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);

}

Changed text

Open file

/**
 *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 {}
}