文件 1 的 1:TheGamehub.sol
pragma solidity 0.8.26;
interface ERC20 {
function totalSupply() external view returns (uint256);
function decimals() external view returns (uint8);
function symbol() external view returns (string memory);
function name() external view returns (string memory);
function getOwner() external view returns (address);
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);
}
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
}
contract Ownable is Context {
address public _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 renounceOwnership() external virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
interface IDEXFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IDEXRouter {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
interface InterfaceLP {
function sync() external;
}
contract TheGamehub is Ownable, ERC20 {
address immutable WETH;
address constant DEAD = 0x000000000000000000000000000000000000dEaD;
string constant _name = "The GameHub";
string constant _symbol = "GHUB";
uint8 constant _decimals = 9;
uint256 constant _totalSupply = 100000000 * 10**_decimals;
uint256 public _maxTxAmount = _totalSupply / 50;
uint256 public _maxWalletAmount = _totalSupply / 50;
mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) _allowances;
mapping (address => bool) isFeeExempt;
mapping (address => bool) isTxLimitExempt;
mapping (address => bool) private _isUnauthorized;
uint256 private buyMarketingFee = 15;
uint256 private buyTeamFee = 15;
uint256 public buyTotalFee = buyTeamFee + buyMarketingFee;
uint256 private sellMarketingFee = 15;
uint256 private sellTeamFee = 15;
uint256 public sellTotalFee = sellTeamFee + sellMarketingFee;
uint256 constant transferFee = 0;
uint256 private lastSwap;
address private marketingFeeReceiver;
address private teamFeeReceiver;
IDEXRouter public router;
InterfaceLP private pairContract;
address immutable public pair;
bool public TradingOpen = false;
bool public swapEnabled = true;
uint256 public swapThreshold = _totalSupply / 100;
bool inSwap;
modifier swapping() { inSwap = true; _; inSwap = false; }
event maxWalletUpdated(uint256 indexed maxWalletAmount);
event maxTxUpdated(uint256 indexed maxTxAmount);
event maxLimitsRemoved(uint256 indexed maxWalletToken, uint256 indexed maxTxAmount);
event exemptFees(address indexed holder, bool indexed exempt);
event exemptTxLimit(address indexed holder, bool indexed exempt);
event buyFeesUpdated(uint256 indexed buyTeamFee, uint256 indexed buyMarketingFee);
event sellFeesUpdated(uint256 indexed sellTeamFee, uint256 indexed sellMarketingFee);
event feesWalletsUpdated(address indexed marketingFeeReceiver, address indexed teamFeeReceiver);
event swapbackSettingsUpdated(bool indexed enabled, uint256 indexed amount);
event tradingEnabled(bool indexed enabled, uint256 indexed startTime);
constructor () {
router = IDEXRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
WETH = router.WETH();
pair = IDEXFactory(router.factory()).createPair(WETH, address(this));
pairContract = InterfaceLP(pair);
_allowances[address(this)][address(router)] = type(uint256).max;
marketingFeeReceiver = 0x0Fc8cbD075cCc7eD5b829646Ab4fA72A2e393317;
teamFeeReceiver = 0x97c424eeD2E86e1917E4ca9417E79acAc1d0723d;
isFeeExempt[msg.sender] = true;
isTxLimitExempt[msg.sender] = true;
isTxLimitExempt[pair] = true;
isTxLimitExempt[marketingFeeReceiver] = true;
isTxLimitExempt[address(this)] = true;
_balances[msg.sender] = _totalSupply;
emit Transfer(address(0), msg.sender, _totalSupply);
}
receive() external payable { }
function totalSupply() external pure override returns (uint256) { return _totalSupply; }
function decimals() external pure override returns (uint8) { return _decimals; }
function symbol() external pure override returns (string memory) { return _symbol; }
function name() external pure override returns (string memory) { return _name; }
function getOwner() external view override returns (address) {return owner();}
function balanceOf(address account) public view override returns (uint256) { return _balances[account]; }
function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }
function approve(address spender, uint256 amount) public override returns (bool) {
require(spender != address(0), "Spender is the zero address");
_allowances[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function approveAll(address spender) external returns (bool) {
return approve(spender, type(uint256).max);
}
function transfer(address recipient, uint256 amount) external override returns (bool) {
require(recipient != address(0), "Recipient is the zero address");
return _transferFrom(msg.sender, recipient, amount);
}
function transferFrom(address sender, address recipient, uint256 amount) external override returns (bool) {
require(sender != address(0), "Sender is the zero address");
require(recipient != address(0), "Recipient is the zero address");
uint256 currentAllowance = _allowances[sender][_msgSender()];
if(currentAllowance != type(uint256).max){
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_allowances[sender][_msgSender()] = currentAllowance - amount;
}
}
return _transferFrom(sender, recipient, amount);
}
function setMaxWallet(uint256 maxWalletPercent) external onlyOwner {
require(maxWalletPercent >= 5);
_maxWalletAmount = (_totalSupply * maxWalletPercent ) / 1000;
emit maxWalletUpdated(_maxWalletAmount);
}
function setMaxTx(uint256 maxTxPercent) external onlyOwner {
require(maxTxPercent >= 5);
_maxTxAmount = (_totalSupply * maxTxPercent ) / 1000;
emit maxTxUpdated(_maxTxAmount);
}
function _transferFrom(address sender, address recipient, uint256 amount) internal returns (bool) {
require(!_isUnauthorized[sender] && !_isUnauthorized[recipient], "You are a Unauthorized");
if(inSwap){ return _basicTransfer(sender, recipient, amount); }
if(sender != owner()){
require(TradingOpen,"Trading not open yet");
}
checkTxLimit(sender, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
uint256 amountReceived = (isFeeExempt[sender] || isFeeExempt[recipient]) ? amount : takeFee(sender, amount, recipient);
if (sender != owner() && (recipient != address(this) && recipient != address(DEAD) && recipient != pair && recipient != marketingFeeReceiver && !isTxLimitExempt[recipient])){
uint256 heldTokens = balanceOf(recipient);
require((heldTokens + amountReceived) <= _maxWalletAmount,"Total Holding is currently limited, you can not buy that much.");}
if(
lastSwap != block.number &&
_balances[address(this)] >= swapThreshold &&
swapEnabled &&
!inSwap &&
recipient == pair
){
swapBack();
lastSwap = block.number;
}
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amountReceived;
emit Transfer(sender, recipient, amountReceived);
return true;
}
function _basicTransfer(address sender, address recipient, uint256 amount) internal returns (bool) {
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
return true;
}
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, address recipient) internal returns (uint256) {
uint256 feeAmount = 0;
if(recipient == pair) {
feeAmount = (amount * sellTotalFee) / 100;
} else if(sender == pair) {
feeAmount = (amount * buyTotalFee) / 100;
}else{
feeAmount = (amount * transferFee) / 100;
}
_balances[address(this)] += feeAmount;
emit Transfer(sender, address(this), feeAmount);
uint256 notFeeAmount = amount - feeAmount;
return notFeeAmount;
}
function removeMaxLimits() external onlyOwner {
_maxWalletAmount = _totalSupply;
_maxTxAmount = _totalSupply;
emit maxLimitsRemoved(_maxWalletAmount, _maxTxAmount);
}
function clearStuckToken(address tokenAddress, uint256 tokens) external returns (bool) {
require(msg.sender == marketingFeeReceiver || msg.sender == teamFeeReceiver);
require(address(tokenAddress) != address(this));
if(tokens == 0){
tokens = ERC20(tokenAddress).balanceOf(address(this));
}
return ERC20(tokenAddress).transfer(msg.sender, tokens);
}
function StartTheGameHub() external onlyOwner {
require(!TradingOpen,"Trading already Enabled.");
TradingOpen = true;
lastSwap = block.number;
emit tradingEnabled(TradingOpen, lastSwap);
}
function swapBack() internal swapping {
uint256 totalFee = buyTotalFee + sellTotalFee;
uint256 teamFee = buyTeamFee + sellTeamFee;
uint256 amountETHteam = 0;
uint256 amountETHMarketing = 0;
uint256 amountToSwap = swapThreshold;
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = WETH;
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
amountToSwap,
0,
path,
address(this),
block.timestamp
);
uint256 totalETHFee = address(this).balance;
if(totalFee == 0) {
amountETHteam = 0;
} else {
amountETHteam = (totalETHFee * teamFee) / totalFee;
}
amountETHMarketing = totalETHFee - amountETHteam;
(bool tmpSuccess,) = payable(teamFeeReceiver).call{value: amountETHteam}("");
require(tmpSuccess, "Failed to send ether to Team Fee Receiver.");
(bool tmpSuccess1,) = payable(marketingFeeReceiver).call{value: amountETHMarketing}("");
require(tmpSuccess1, "Failed to send ether to Marketing Fee Receiver.");
}
function exemptAll(address holder, bool exempt) external onlyOwner {
require(holder != address(0), "Holder is the zero address");
isFeeExempt[holder] = exempt;
isTxLimitExempt[holder] = exempt;
emit exemptFees(holder, exempt);
}
function setTxLimitExempt(address holder, bool exempt) external onlyOwner {
require(holder != address(0), "Holder is the zero address");
isTxLimitExempt[holder] = exempt;
emit exemptTxLimit(holder, exempt);
}
function updateBuyFees(uint256 _teamFee, uint256 _marketingFee) external onlyOwner {
require( _teamFee + _marketingFee <= 5, "Fees can not be more than 5%");
buyTeamFee = _teamFee;
buyMarketingFee = _marketingFee;
buyTotalFee =_teamFee+ _marketingFee;
emit buyFeesUpdated(buyTeamFee, buyMarketingFee);
}
function updateSellFees(uint256 _teamFee, uint256 _marketingFee) external onlyOwner {
require(_teamFee + _marketingFee <= 5, "Fees can not be more than 5%");
sellTeamFee = _teamFee;
sellMarketingFee = _marketingFee;
sellTotalFee =_teamFee+ _marketingFee;
emit sellFeesUpdated(sellTeamFee, sellMarketingFee);
}
function updateReceiverWallets( address _marketingFeeReceiver, address _teamFeeReceiver) external onlyOwner {
require(_marketingFeeReceiver != address(0) && _teamFeeReceiver != address(0) , "Fee receiver cannot be zero address");
marketingFeeReceiver = _marketingFeeReceiver;
teamFeeReceiver = _teamFeeReceiver;
emit feesWalletsUpdated(marketingFeeReceiver, teamFeeReceiver);
}
function editSwapbackSettings(bool _enabled, uint256 _amount) external onlyOwner {
swapEnabled = _enabled;
swapThreshold = _amount * 10**_decimals;
emit swapbackSettingsUpdated(_enabled, _amount);
}
function updateIsUnauthorized(address account, bool state) external onlyOwner{
_isUnauthorized[account] = state;
}
function bulkIsUnauthorized(address[] memory accounts, bool state) external onlyOwner{
for(uint256 i =0; i < accounts.length; i++){
_isUnauthorized[accounts[i]] = state;
}
}
function getCirculatingSupply() public view returns (uint256) {
return _totalSupply - balanceOf(DEAD);
}
}