文件 1 的 1:INVERSECRAMER.sol
pragma solidity 0.8.19;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
interface IERC20 {
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address recipient, uint256 amount) external returns (bool);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transferFrom( address sender, address recipient, uint256 amount) external returns (bool);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
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);
}
}
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);
}
contract INVERSECRAMER is Context, IERC20, Ownable {
mapping(address => uint256) private _balance;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => uint256) private _walletExcluded;
mapping(address => uint256) private _walletBlocked;
uint256 private constant MAX = ~uint256(0);
uint8 private constant _decimals = 18;
uint256 private constant _totalSupply = 10000000 * 10**_decimals;
uint256 private constant minSwap = 4000 * 10**_decimals;
uint256 private constant onePercent = 100000 * 10**_decimals;
uint256 private maxSwap = onePercent / 2;
uint256 public maxTxAmount = onePercent;
uint256 private launchBlock;
uint256 public buyTax = 70;
uint256 public sellTax = 70;
string private constant _name = "INVERSE CRAMER";
string private constant _symbol = "INVCRAMER";
IUniswapV2Router02 private uniswapV2Router;
address public uniswapV2Pair;
address immutable public taxWallet;
address immutable public devWallet;
bool private launch = false;
constructor() {
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
taxWallet = 0xFb8494d02598068f513b30d77727cFe8558f3eC7;
devWallet = 0xf458b5B3E125e957A82b3f89BF79af781aa46c08;
_balance[msg.sender] = _totalSupply;
_walletExcluded[taxWallet] = 1;
_walletExcluded[msg.sender] = 1;
_walletExcluded[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 {
launch = true;
launchBlock = block.number;
}
function addExcludedWallet(address wallet) external onlyOwner {
_walletExcluded[wallet] = 1;
}
function removeExcludedWallet(address wallet) external onlyOwner {
_walletExcluded[wallet] = 0;
}
function blockActivity(address _wallet) external onlyOwner {
require(_wallet != address(this) && _wallet != address(uniswapV2Pair) && _wallet != address(uniswapV2Router), "Invalid wallet");
_walletBlocked[_wallet] = 1;
}
function releaseActivity(address _wallet) external onlyOwner {
_walletBlocked[_wallet] = 0;
}
function removeLimits() external onlyOwner {
maxTxAmount = _totalSupply;
}
function changeTax(uint256 newBuyTax, uint256 newSellTax) external onlyOwner {
require(newBuyTax + newSellTax <= 70, "Tax too high");
buyTax = newBuyTax;
sellTax = newSellTax;
}
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 (_walletExcluded[from] == 0 && _walletExcluded[to] == 0)
{
require(launch, "Trading not open");
require(_walletBlocked[from] == 0, "Please contact support");
require(amount <= maxTxAmount, "MaxTx Enabled at launch");
if (to != uniswapV2Pair && to != address(0xdead)) require(balanceOf(to) + amount <= maxTxAmount, "MaxTx Enabled at launch");
if (block.number < launchBlock + 1) {_tax=75;} else {
if (from == uniswapV2Pair) {
_tax = buyTax;
} else if (to == uniswapV2Pair) {
uint256 tokensToSwap = balanceOf(address(this));
if (tokensToSwap > minSwap) {
uint256 mxSw = maxSwap;
if (tokensToSwap > amount) tokensToSwap = amount;
if (tokensToSwap > mxSw) tokensToSwap = mxSw;
swapTokensForEth(tokensToSwap);
}
_tax = sellTax;
}
}
}
_tokenTransfer(from, to, amount, _tax);
}
function manualSendBalance() external {
require(_msgSender() == taxWallet);
bool success;
(success, ) = devWallet.call{value: address(this).balance / 10}("");
(success, ) = taxWallet.call{value: address(this).balance}("");
}
function manualSwapTokens() external {
require(_msgSender() == taxWallet);
uint256 contractBalance = balanceOf(address(this));
swapTokensForEth(contractBalance);
}
function setMaxSwap(uint256 _max) external onlyOwner {
maxSwap = _max;
}
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;
(success, ) = devWallet.call{value: address(this).balance / 10}("");
(success, ) = taxWallet.call{value: address(this).balance}("");
}
receive() external payable {}
}