Contract Name:
QuantumCloak
Contract Source Code:
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-20 standard as defined in the ERC.
*/
interface IERC20 {
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
/**
* @dev Returns the value of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the value of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 value) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the
* allowance mechanism. `value` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 value) external returns (bool);
}
/* Quantum Cloak - QTC
Website: http://www.quantumcloak.network/
Telegram: https://t.me/Quantum_Cloak
*/
// SPDX-License-Identifier: MIT
pragma solidity 0.8.20;
import "./IERC20.sol";
import "./ownable.sol";
import "./UniswapV2.sol";
contract QuantumCloak is Context, IERC20, Ownable {
string private constant _name = "Quantum Cloak";
string private constant _symbol = "QTC";
uint8 private constant _decimals = 18;
uint256 private constant _totalSupply = 180000000 * 10**_decimals;
mapping(address => uint256) private _balance;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => uint256) private _ExcludedWallets;
uint256 private constant onePercent = (_totalSupply)/100;
uint256 private constant minimumSwapAmount = onePercent/20;
uint256 private maxSwap = onePercent / 2;
uint256 public MaxTX = onePercent;
uint256 public MaxWallet = onePercent;
uint256 private InitialBlockNo;
uint256 public buyTax = 30;
uint256 public sellTax = 55;
IUniswapV2Router02 private uniswapV2Router;
address public uniswapV2Pair;
address public DevWallet;
address public OperationWallet;
address public MarketingWallet;
bool private launch = false;
constructor() {
DevWallet = 0x8196AcA069A180069c39313F61C1C0c8E5B3039E; //58
OperationWallet = 0xF97bf6D3B02D1fC1Fa38835bf65268C3d0DedF39; //37
MarketingWallet = 0x01Ec1626933f684B931e750396dEe4e78014B199; //5
_balance[msg.sender] = _totalSupply;
_ExcludedWallets[msg.sender] = 1;
_ExcludedWallets[address(this)] = 1;
emit Transfer(address(0), _msgSender(), _totalSupply);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public pure override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view override returns (uint256) {
return _balance[account];
}
function transfer(address recipient, uint256 amount)public override returns (bool){
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256){
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool){
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
if(currentAllowance != type(uint256).max) {
require(
currentAllowance >= amount,
"ERC20: transfer amount exceeds allowance"
);
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
}
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function EnableTrading() external onlyOwner {
require(!launch,"trading is already open");
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
_approve(address(this), address(uniswapV2Router), _totalSupply);
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
launch = true;
InitialBlockNo = block.number;
}
function _ExcludedWallet(address wallet, uint256 value) external onlyOwner {
_ExcludedWallets[wallet] = value;
}
function ChangeTaxWallet(address NewDevWallet, address NewOperationWallet, address NewMarketWallet) external onlyOwner {
DevWallet = NewDevWallet;
OperationWallet = NewOperationWallet;
MarketingWallet = NewMarketWallet;
}
function RemoveLimits() external onlyOwner {
MaxTX = _totalSupply;
MaxWallet = _totalSupply;
}
function EditTaxes(uint256 newBuyTax, uint256 newSellTax) external onlyOwner {
require(newBuyTax <= buyTax && newSellTax <= sellTax, "Tax cannot be increased");
buyTax = newBuyTax;
sellTax = newSellTax;
}
function ChangeSettings(uint256 newMaxWalletX10, uint256 newMaxTrxX10, uint256 newMaxSwapX10) external onlyOwner {
require(newMaxSwapX10 <= 30, "can't be more than 3%");
MaxWallet = newMaxWalletX10*(onePercent/10); //type 10 if 1%
MaxTX = newMaxTrxX10*(onePercent/10);
maxSwap = newMaxSwapX10*(onePercent/10);
}
function _tokenTransfer(address from, address to, uint256 amount, uint256 _tax) private {
uint256 taxTokens = (amount * _tax) / 100;
uint256 transferAmount = amount - taxTokens;
_balance[from] = _balance[from] - amount;
_balance[to] = _balance[to] + transferAmount;
_balance[address(this)] = _balance[address(this)] + taxTokens;
emit Transfer(from, to, transferAmount);
}
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(amount > 0, "ERC20: no tokens transferred");
uint256 _tax = 0;
if (_ExcludedWallets[from] == 0 && _ExcludedWallets[to] == 0)
{
require(launch, "Trading not open");
require(amount <= MaxTX, "MaxTx Enabled at launch");
if (to != uniswapV2Pair && to != address(0xdead)) require(balanceOf(to) + amount <= MaxWallet, "MaxWallet Enabled at launch");
if (block.number < InitialBlockNo + 3) {
_tax = (from == uniswapV2Pair) ? 30 : 55;
} else {
if (from == uniswapV2Pair) {
_tax = buyTax;
} else if (to == uniswapV2Pair) {
uint256 tokensToSwap = balanceOf(address(this));
if (tokensToSwap > minimumSwapAmount) {
uint256 mxSw = maxSwap;
if (tokensToSwap > amount) tokensToSwap = amount;
if (tokensToSwap > mxSw) tokensToSwap = mxSw;
swapTokensForEth(tokensToSwap);
}
_tax = sellTax;
}
}
}
_tokenTransfer(from, to, amount, _tax);
}
function RescueETH() external onlyOwner {
bool success;
(success, ) = owner().call{value: address(this).balance}("");
}
function ManualSwap(uint256 percent) external onlyOwner {
uint256 contractBalance = balanceOf(address(this));
uint256 amtswap = (percent*contractBalance)/100;
swapTokensForEth(amtswap);
}
function swapTokensForEth(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
bool success;
uint256 devtax = address(this).balance *58/100;
uint256 operationtax = address(this).balance *37/100;
uint256 markettax = address(this).balance *5/100;
(success, ) = DevWallet.call{value: devtax}("");
(success, ) = OperationWallet.call{value: operationtax}("");
(success, ) = MarketingWallet.call{value: markettax}("");
}
receive() external payable {}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == _msgSender(), "Ownable: caller is not the owner");
_;
}
function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
// SPDX-License-Identifier: MIT
pragma solidity 0.8.20;
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB)
external
returns (address pair);
}
interface IUniswapV2Router02 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint256 amountIn,
uint256 amountOutMin,
address[] calldata path,
address to,
uint256 deadline
) external;
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
}