文件 1 的 1:X7G.sol
pragma solidity ^0.8.20;
interface IERC20 {
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
function totalSupply() external view returns (uint256);
function balanceOf(address account) external view returns (uint256);
function transfer(address to, 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 from, address to, uint256 amount) external returns (bool);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
interface IRouter {
function factory() external view returns (address);
function WETH() external view returns (address);
function addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
)
external
payable
returns (
uint256 amountToken,
uint256 amountETH,
uint256 liquidity
);
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;
}
interface IFactory {
event PairCreated(
address indexed token0,
address indexed token1,
address pair,
uint
);
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IWETH is IERC20 {
function withdraw(uint256) external;
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_approve(owner, spender, amount);
return true;
}
function transferFrom(address from, address to, uint256 amount) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(address from, address to, uint256 amount) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(from, to, amount);
uint256 fromBalance = _balances[from];
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amount;
_balances[to] += amount;
}
emit Transfer(from, to, amount);
_afterTokenTransfer(from, to, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
unchecked {
_balances[account] += amount;
}
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
_totalSupply -= amount;
}
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
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 _spendAllowance(address owner, address spender, uint256 amount) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual {}
function _afterTokenTransfer(address from, address to, uint256 amount) internal virtual {}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
contract X7G is ERC20, Ownable {
modifier lockTheSwap() {
processingFees = true;
_;
processingFees = false;
}
bool private processingFees = false;
IRouter public router;
address public automatedMarketMakerAddress;
mapping(address => bool) public automatedMarketMakerPair;
uint256 private _maxFee = 7000;
uint256 public fee;
uint256 public burnAndLiquidityShare;
uint256 public treasuryShare;
uint256 public operationsShare;
uint256 public maxWallet;
uint256 public thresholdToProcessFees;
address public treasury;
address public operations;
address public x7rContract;
mapping(address => bool) excludedAddresses;
bool public tradingEnabled = false;
event AMMSet(address indexed pairAddress, bool isAMM);
event TradingEnabled();
event NewTreasurySet(address newTreasury);
event NewOperationsWalletSet(address newOperationsWallet);
event ThresholdToProcessFeesSet(uint256 oldThreshold, uint256 newThreshold);
event MaxWalletSet(uint256 oldMaxWallet, uint256 newMaxWallet);
event FeeSet(uint256 oldFee, uint256 newFee);
event FeeSharesSet(
uint256 newBurnAndLiquidityShare,
uint256 newTreasuryShare,
uint256 newOpsShare
);
event FeesProcessed();
event ExcludedAddressSet(address indexed excludedAddress, bool isExcluded);
event Launched();
constructor()
ERC20("Xchange Games", "X7G")
{
_mint(_msgSender(), 100000000 * 1e18);
excludedAddresses[address(_msgSender())] = true;
excludedAddresses[address(0x740015c39da5D148fcA25A467399D00bcE10c001)] = true;
x7rContract = address(0x70008F18Fc58928dcE982b0A69C2c21ff80Dca54);
}
receive() external payable {}
function launch() public onlyOwner {
router = IRouter(0x7DE8063E9fB43321d2100e8Ddae5167F56A50060);
address _pair = IFactory(router.factory()).createPair(address(this), router.WETH());
setAMM(address(_pair), true);
treasury = address(0x47689fbAE45816Ea67c3C29BC46D2ff0961cb513);
operations = address(0x87b49D6A6910547493f841A95b4Ed94d2A5942DD);
excludedAddresses[address(router)] = true;
excludedAddresses[address(treasury)] = true;
excludedAddresses[address(operations)] = true;
fee = 3000;
burnAndLiquidityShare = 33333;
treasuryShare = 33333;
operationsShare = 33334;
maxWallet = 1000000 * 1e18;
thresholdToProcessFees = 50000 * 1e18;
emit Launched();
}
function setExcludedAddress(address excludedAddress, bool isExcluded) public onlyOwner {
require(excludedAddress != address(0), "X7G: (New) excluded address can not be address 0x");
excludedAddresses[excludedAddress] = isExcluded;
emit ExcludedAddressSet(excludedAddress, isExcluded);
}
function setAMM(address ammAddress, bool isAMM) public onlyOwner {
require(ammAddress != address(0), "X7G: (New) AMM address can not be address 0x");
automatedMarketMakerPair[ammAddress] = isAMM;
automatedMarketMakerAddress = ammAddress;
emit AMMSet(ammAddress, isAMM);
}
function setThresholdToProcessFees(uint256 newThreshold) external onlyOwner {
require(newThreshold >= 1000 * 1e18, "X7G: 1000 X7G is the minmum");
uint256 _oldThreshold = thresholdToProcessFees;
thresholdToProcessFees = newThreshold;
emit ThresholdToProcessFeesSet(_oldThreshold, newThreshold);
}
function setMaxWallet(uint256 _newMaxWallet) external onlyOwner {
require(_newMaxWallet >= 500000 * 1e18, "X7G: Max wallet is less the minimum then 0,5% of totalSupply");
require(_newMaxWallet <= 25000000 * 1e18, "X7G: Max wallet is more the maximum than 25% of totalSupply");
uint256 oldMaxWallet = maxWallet;
maxWallet = _newMaxWallet;
emit MaxWalletSet(oldMaxWallet, _newMaxWallet);
}
function setFee(uint256 newFee) external onlyOwner {
require(newFee <= _maxFee, "X7G: Fee can not be set higher then the maximum of 7%");
require(newFee >= 0, "X7G: Fee is less than 0");
require(newFee != fee, "X7G: Fee is already that percentage");
uint256 _oldFee = fee;
fee = newFee;
emit FeeSet(_oldFee, fee);
}
function setFeeShares(uint256 _newBurnAndLiquidityShare, uint256 _newTreasuryShare, uint256 _newOperationsShare) external onlyOwner {
require(_newBurnAndLiquidityShare + _newTreasuryShare + _newOperationsShare == 100000,
"X7G: Summed fee shares are not 100% (100000)!"
);
burnAndLiquidityShare = _newBurnAndLiquidityShare;
treasuryShare = _newTreasuryShare;
operationsShare = _newOperationsShare;
emit FeeSharesSet(
_newBurnAndLiquidityShare,
_newTreasuryShare,
_newOperationsShare
);
}
function setTreasuryWallet(address _newTreasury) public onlyOwner {
require(_newTreasury != address(0), "X7G: New treasury can not be address 0x");
excludedAddresses[address(treasury)] = false;
treasury = _newTreasury;
excludedAddresses[address(_newTreasury)] = true;
emit NewTreasurySet(_newTreasury);
}
function setOperationsWallet(address _newOperationsWallet) public onlyOwner {
require(_newOperationsWallet != address(0), "X7G: New operations wallet can not be address 0x");
excludedAddresses[address(treasury)] = false;
operations = _newOperationsWallet;
excludedAddresses[address(_newOperationsWallet)] = true;
emit NewOperationsWalletSet(_newOperationsWallet);
}
function enableTrading() external onlyOwner {
require(!tradingEnabled, "X7G: Trading is already enabled");
tradingEnabled = true;
emit TradingEnabled();
}
function _transfer(address from, address to, uint256 amount) internal override {
require(tradingEnabled || from == owner(), "X7G: Trading will be enabled when the amm pair is set.");
if (excludedAddresses[from] || excludedAddresses[to]) {
super._transfer(from, to, amount);
return;
}
uint256 _transferAmount = amount;
if (automatedMarketMakerPair[from] || automatedMarketMakerPair[to]) {
uint256 txnFee = (_transferAmount * fee) / 100000;
_transferAmount = _transferAmount - txnFee;
if (automatedMarketMakerPair[from]) {
require(balanceOf(automatedMarketMakerPair[from] ? to : from) + _transferAmount <= maxWallet,
"X7G: transaction exceeds max wallet");
}
super._transfer(from, address(this), txnFee);
}
if (automatedMarketMakerPair[to] && !processingFees && balanceOf(address(this)) >= thresholdToProcessFees) {
processFees();
}
super._transfer(from, to, _transferAmount);
}
function processFees() public lockTheSwap {
uint256 _contractBalance = balanceOf(address(this));
require(_contractBalance != 0, "X7G: cannot process fees if X7G balance is 0");
uint256 _X7GLiquidityTokens = (_contractBalance * (((burnAndLiquidityShare / 2) / 2))) / 100000;
_swapTokensForEth(_contractBalance - _X7GLiquidityTokens);
uint256 _balance = address(this).balance;
require(_balance != 0, "X7G: cannot process fees if ETH balance is 0");
uint256 _ethForTreasury = (_balance * (treasuryShare / 4)) / 100000;
uint256 _ethForOperations = (_balance * operationsShare) / 100000;
uint256 _ethForX7GLiquidity = (_balance * (burnAndLiquidityShare / 2)) / 100000;
uint256 _ethForX7RBurn = (_balance * (burnAndLiquidityShare / 2)) / 100000;
uint256 _ethForX7RBuy = (_balance * (treasuryShare / 4) * 3) / 100000;
_addLiquidityETH(
address(this),
_X7GLiquidityTokens,
_ethForX7GLiquidity
);
_swapEthForTokens(
_ethForX7RBurn + _ethForX7RBuy,
address(x7rContract)
);
uint256 _x7rBalance = IERC20(x7rContract).balanceOf(address(this));
uint256 _total = _ethForX7RBurn + _ethForX7RBuy;
uint256 _burnRatio;
uint256 _treasuryRatio;
if (_total > 0) {
_burnRatio = (_ethForX7RBurn * 1e18 / _total);
_treasuryRatio = (_ethForX7RBuy * 1e18 / _total);
}
uint256 _x7rForBurn = (_x7rBalance * _burnRatio) / 1e18;
uint256 _x7rForTreasury = (_x7rBalance * _treasuryRatio) / 1e18;
IERC20(x7rContract).transfer(address(0x000000000000000000000000000000000000dEaD), _x7rForBurn);
IERC20(x7rContract).transfer(address(treasury), _x7rForTreasury);
(bool treasurySendSuccess,) = treasury.call{value : _ethForTreasury}("");
require(treasurySendSuccess, "X7G: Transfer to treasury wallet failed.");
(bool operationsWalletSendSuccess,) = operations.call{value : _ethForOperations}("");
require(operationsWalletSendSuccess, "X7G: Transfer to dev wallet failed.");
emit FeesProcessed();
}
function _swapTokensForEth(uint256 tokenAmount) internal {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
_approve(address(this), address(router), tokenAmount);
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function _swapEthForTokens(uint256 ethAmount, address tokenAddress) internal {
address[] memory path = new address[](2);
path[0] = router.WETH();
path[1] = tokenAddress;
router.swapExactETHForTokensSupportingFeeOnTransferTokens{value : ethAmount}(
0,
path,
address(this),
block.timestamp
);
}
function _addLiquidityETH(address token, uint256 tokenAmount, uint256 ethAmount) internal {
IERC20(token).approve(address(router), tokenAmount);
router.addLiquidityETH{value : ethAmount}(
token,
tokenAmount,
0,
0,
address(0),
block.timestamp
);
}
function rescueWETH() external {
address _weth = router.WETH();
IWETH(_weth).withdraw(
IERC20(_weth).balanceOf(address(this))
);
}
function rescueETH() external {
uint256 _balance = address(this).balance;
require(_balance > 0, "X7G: No ETH to withdraw");
(bool success,) = msg.sender.call{value : _balance}("");
require(success, "X7G: ETH transfer failed");
}
}