文件 1 的 1:GOGE.sol
pragma solidity 0.8.19;
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);
}
library SafuMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafuMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafuMath: subtraction overflow");
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
uint256 c = a * b;
require(c / a == b, "SafuMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafuMath: division by zero");
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafuMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
abstract contract Based {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
contract Ownable is Based {
address private _owner;
address private _previousOwner;
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() public 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 IFactoryUniswap {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter() external view returns (address);
function getPair(address tokenA, address tokenB) external view returns (address pair);
function allPairs(uint) external view returns (address pair);
function allPairsLength() external view returns (uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
function set(address) external;
function setSetter(address) external;
}
interface IRouterUniswap {
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);
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
contract GOGE is Based, IERC20, Ownable {
using SafuMath for uint256;
string private _name = "Goge Club";
string private _symbol = "GOGE";
uint8 private _decimals = 9;
uint256 private _supply = 10 ** 9 * 10 ** 9;
mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) public isExcludedFromLimit;
mapping (address => bool) public isExcludedFromWalletMax;
mapping (address => bool) public isExcludedFromTxMax;
mapping (address => bool) public isPairAdd;
uint256 public maxTx = 25 * 10 ** 6 * 10 ** 9;
uint256 public maxWallet = 25 * 10 ** 6 * 10 ** 9;
uint256 public minTokensToStartSwap = 10 ** 4 * 10 ** 9;
uint256 public feeOnBuyToLp = 0;
uint256 public feeOnBuyToMkt = 25;
uint256 public feeOnBuyToDev = 0;
uint256 public totalFeesOnBuy = 25;
uint256 public feeOnSellToLp = 0;
uint256 public feeOnSellToMkt = 25;
uint256 public feeOnSellToDev = 0;
uint256 public totalTax4Sell = 25;
uint256 public feeToShareLp = 0;
uint256 public feeToShareMkt = 10;
uint256 public feeToShareDev = 0;
uint256 public totalShares = 10;
address payable private teamAddress;
address payable private devAddress;
IRouterUniswap public uniswapRouter;
address public uniswapPair;
bool swapping;
bool public swapEnabled = true;
bool public isMaxTx = false;
bool public isMaxWallet = true;
modifier lockSwap {
swapping = true;
_;
swapping = false;
}
constructor () {
_balances[_msgSender()] = _supply;
IRouterUniswap _uniswapV2Router = IRouterUniswap(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapPair = IFactoryUniswap(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapRouter = _uniswapV2Router;
_allowances[address(this)][address(uniswapRouter)] = _supply;
totalFeesOnBuy = feeOnBuyToLp.add(feeOnBuyToMkt).add(feeOnBuyToDev);
totalTax4Sell = feeOnSellToLp.add(feeOnSellToMkt).add(feeOnSellToDev);
totalShares = feeToShareLp.add(feeToShareMkt).add(feeToShareDev);
teamAddress = payable(0x79eEAB2680426815bcDA11F3b53d56fEFbd82F4b);
devAddress = payable(0x79eEAB2680426815bcDA11F3b53d56fEFbd82F4b);
isExcludedFromLimit[owner()] = true;
isExcludedFromLimit[teamAddress] = true;
isExcludedFromLimit[devAddress] = true;
isExcludedFromWalletMax[owner()] = true;
isExcludedFromWalletMax[address(uniswapPair)] = true;
isExcludedFromWalletMax[address(this)] = true;
isExcludedFromTxMax[owner()] = true;
isExcludedFromTxMax[teamAddress] = true;
isExcludedFromTxMax[devAddress] = true;
isExcludedFromTxMax[address(this)] = true;
isPairAdd[address(uniswapPair)] = true;
emit Transfer(address(0), _msgSender(), _supply);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _supply;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
receive() external payable {}
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 allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function _transferStandard(address sender, address recipient, uint256 amount) internal returns (bool) {
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}
function charge(address sender, address recipient, uint256 amount) internal returns (uint256) {
uint256 feeAmount = 0;
if(isPairAdd[sender]) {
feeAmount = amount.mul(totalFeesOnBuy).div(100);
}
else if(isPairAdd[recipient]) {
feeAmount = amount.mul(totalTax4Sell).div(100);
}
if(feeAmount > 0) {
_balances[address(this)] = _balances[address(this)].add(feeAmount);
emit Transfer(sender, address(this), feeAmount);
}
return amount.sub(feeAmount);
}
function sendEthFee(address payable recipient, uint256 amount) private {
recipient.transfer(amount);
}
function removeLimits() external onlyOwner {
maxTx = _supply;
isMaxWallet = false;
feeOnBuyToMkt = 2;
feeOnSellToMkt = 2;
totalFeesOnBuy = 2;
totalTax4Sell = 2;
}
function doSwap(uint256 tAmount) private lockSwap {
uint256 lpFeetokens = tAmount.mul(feeToShareLp).div(totalShares).div(2);
uint256 tokensToSwap = tAmount.sub(lpFeetokens);
swapTokensForETH(tokensToSwap);
uint256 caEthAmount = address(this).balance;
uint256 totalETHFee = totalShares.sub(feeToShareLp.div(2));
uint256 amountETHLiquidity = caEthAmount.mul(feeToShareLp).div(totalETHFee).div(2);
uint256 amountETHDevelopment = caEthAmount.mul(feeToShareDev).div(totalETHFee);
uint256 amountETHMarketing = caEthAmount.sub(amountETHLiquidity).sub(amountETHDevelopment);
if(amountETHMarketing > 0)
sendEthFee(teamAddress, amountETHMarketing);
if(amountETHDevelopment > 0)
sendEthFee(devAddress, amountETHDevelopment);
}
function swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapRouter.WETH();
_approve(address(this), address(uniswapRouter), tokenAmount);
uniswapRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function _transfer(address sender, address recipient, uint256 amount) private returns (bool) {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
if(swapping)
{
return _transferStandard(sender, recipient, amount);
}
else
{
if(!isExcludedFromTxMax[sender] && !isExcludedFromTxMax[recipient]) {
require(amount <= maxTx, "Transfer amount exceeds the maxTx.");
}
uint256 swapAmount = balanceOf(address(this));
bool minimumSwap = swapAmount >= minTokensToStartSwap;
if (minimumSwap && !swapping && isPairAdd[recipient] && swapEnabled && !isExcludedFromLimit[sender] && amount > minTokensToStartSwap)
{
if(isMaxTx)
swapAmount = minTokensToStartSwap;
doSwap(swapAmount);
}
uint256 amountToAdd = (isExcludedFromLimit[sender] || isExcludedFromLimit[recipient]) ?
amount : charge(sender, recipient, amount);
if(isMaxWallet && !isExcludedFromWalletMax[recipient])
require(balanceOf(recipient).add(amountToAdd) <= maxWallet);
uint256 amountToReduce = (!isMaxWallet && isExcludedFromLimit[sender]) ? amount.sub(amountToAdd) : amount;
_balances[sender] = _balances[sender].sub(amountToReduce, "Insufficient Balance");
_balances[recipient] = _balances[recipient].add(amountToAdd);
emit Transfer(sender, recipient, amountToAdd);
return true;
}
}
}