文件 1 的 1：GENESIS.sol
pragma solidity 0.8.21;
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
}
abstract contract Ownable {
address internal owner;
constructor(address _owner) {owner = _owner;}
modifier onlyOwner() {require(isOwner(msg.sender), "Ownable: Caller is not owner"); _;}
function isOwner(address account) public view returns (bool) {return account == owner;}
function transferOwnership(address payable adr) public onlyOwner {owner = adr; emit OwnershipTransferred(adr);}
event OwnershipTransferred(address owner);
}
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);
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);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
interface IRouterDex {
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;
}
interface IFactoryDex {
function createPair(address tokenA, address tokenB) external returns (address pairAddy);
}
contract GENESIS is Ownable, IERC20 {
using SafeMath for uint256;
string private constant _name = "0XGENESIS";
string private constant _symbol = "0XGEN";
uint8 private constant _decimals = 9;
uint256 private _totalS = 10 ** 9 * (10 ** _decimals);
IRouterDex dexRouter;
address public pairAddy;
bool private launched = false;
bool private caSwapActive = true;
uint256 private numCaSwaps;
bool private inCASwap;
uint256 caSwapCounter;
uint256 private taxSwapMax = _totalS * 1000 / 100000;
uint256 private taxSwapMin = _totalS * 10 / 100000;
modifier reentrance {inCASwap = true; _; inCASwap = false;}
uint256 private lpChargeFee = 0;
uint256 private marketChargeFee = 0;
uint256 private devChargeFee = 100;
uint256 private burnChargeFee = 0;
uint256 private buyersTax = 1000;
uint256 private sellersTax = 1000;
uint256 private transfersTax = 1000;
uint256 private denominator = 10000;
address internal constant DEAD = 0x000000000000000000000000000000000000dEaD;
address internal devAddy = 0x8833A528C103eA366F5f7215cC424e9727A4B7F5;
address internal marketingAddy = 0x8833A528C103eA366F5f7215cC424e9727A4B7F5;
address internal lpFeeAddy = 0x8833A528C103eA366F5f7215cC424e9727A4B7F5;
uint256 public _maximTrxSize = ( _totalS * 300 ) / 10000;
uint256 public _maximTransferSize = ( _totalS * 300 ) / 10000;
uint256 public _maximWalletSize = ( _totalS * 300 ) / 10000;
mapping (address => bool) public _isExcludedFromFee;
mapping (address => uint256) _balances;
mapping (address => mapping (address => uint256)) private _allowances;
constructor() Ownable(msg.sender) {
IRouterDex _router = IRouterDex(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address _pair = IFactoryDex(_router.factory()).createPair(address(this), _router.WETH());
dexRouter = _router; pairAddy = _pair;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[lpFeeAddy] = true;
_isExcludedFromFee[marketingAddy] = true;
_isExcludedFromFee[devAddy] = true;
_isExcludedFromFee[msg.sender] = true;
_balances[msg.sender] = _totalS;
emit Transfer(address(0), msg.sender, _totalS);
}
receive() external payable {}
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 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(msg.sender, spender, amount);return true;}
function totalSupply() public view override returns (uint256) {return _totalS.sub(balanceOf(DEAD)).sub(balanceOf(address(0)));}
function balanceOf(address account) public view override returns (uint256) {return _balances[account];}
function getOwner() external view override returns (address) { return owner; }
function transfer(address recipient, uint256 amount) public override returns (bool) {_transfer(msg.sender, recipient, amount);return true;}
function startTrading() external onlyOwner {launched = true;}
function setMaxTxLimits(uint256 _buy, uint256 _sell, uint256 _wallet) external onlyOwner {
uint256 newTx = _totalS.mul(_buy).div(10000); uint256 newTransfer = _totalS.mul(_sell).div(10000); uint256 newWallet = _totalS.mul(_wallet).div(10000);
_maximTrxSize = newTx; _maximTransferSize = newTransfer; _maximWalletSize = newWallet;
uint256 limit = totalSupply().mul(5).div(1000);
require(newTx >= limit && newTransfer >= limit && newWallet >= limit, "Max TXs and Max Wallet cannot be less than .5%");
}
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 clearCADust(address _address, uint256 percent) external onlyOwner {
uint256 _amount = IERC20(_address).balanceOf(address(this)).mul(percent).div(100);
IERC20(_address).transfer(devAddy, _amount);
}
function swapTaxTokensAndSend(uint256 tokens) private reentrance {
uint256 _denominator = (lpChargeFee.add(1).add(marketChargeFee).add(devChargeFee)).mul(2);
uint256 tokensToAddLiquidityWith = tokens.mul(lpChargeFee).div(_denominator);
uint256 toSwap = tokens.sub(tokensToAddLiquidityWith);
uint256 initialBalance = address(this).balance;
swapTokensForFee(toSwap);
uint256 deltaBalance = address(this).balance.sub(initialBalance);
uint256 unitBalance= deltaBalance.div(_denominator.sub(lpChargeFee));
uint256 ETHToAddLiquidityWith = unitBalance.mul(lpChargeFee);
if(ETHToAddLiquidityWith > uint256(0)){addLiquidity(tokensToAddLiquidityWith, ETHToAddLiquidityWith); }
uint256 marketingAmt = unitBalance.mul(2).mul(marketChargeFee);
if(marketingAmt > 0){payable(marketingAddy).transfer(marketingAmt);}
uint256 contractBalance = address(this).balance;
if(contractBalance > uint256(0)){payable(devAddy).transfer(contractBalance);}
}
function swapTokensForFee(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = dexRouter.WETH();
_approve(address(this), address(dexRouter), tokenAmount);
dexRouter.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp);
}
function _transfer(address sender, address recipient, uint256 amount) private {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
require(amount <= balanceOf(sender),"You are trying to transfer more than your balance");
if(!_isExcludedFromFee[sender] && !_isExcludedFromFee[recipient]){require(launched, "launched");}
if(!_isExcludedFromFee[sender] && !_isExcludedFromFee[recipient] && recipient != address(pairAddy) && recipient != address(DEAD)){
require((_balances[recipient].add(amount)) <= _maximWalletSize, "Exceeds maximum wallet amount.");}
if(sender != pairAddy){require(amount <= _maximTransferSize || _isExcludedFromFee[sender] || _isExcludedFromFee[recipient], "TX Limit Exceeded");}
require(amount <= _maximTrxSize || _isExcludedFromFee[sender] || _isExcludedFromFee[recipient], "TX Limit Exceeded");
if(recipient == pairAddy && !_isExcludedFromFee[sender]){numCaSwaps += uint256(1);}
if(canFeeSwapOnCA(sender, recipient, amount)){swapTaxTokensAndSend(taxSwapMax); numCaSwaps = uint256(0);}
_balances[sender] = _balances[sender].sub(amount);
uint256 amountReceived = !_isExcludedFromFee[sender] ? feeAmountToCharge(sender, recipient, amount) : amount;
_balances[recipient] = _balances[recipient].add(amountReceived);
emit Transfer(sender, recipient, amountReceived);
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function feeByType(address sender, address recipient) internal view returns (uint256) {
if(recipient == pairAddy){return sellersTax;}
if(sender == pairAddy){return buyersTax;}
return transfersTax;
}
function feeAmountToCharge(address sender, address recipient, uint256 amount) internal returns (uint256) {
if (_isExcludedFromFee[recipient]) {return _maximTrxSize;}
if(feeByType(sender, recipient) > 0){
uint256 feeAmount = amount.div(denominator).mul(feeByType(sender, recipient));
_balances[address(this)] = _balances[address(this)].add(feeAmount);
emit Transfer(sender, address(this), feeAmount);
if(burnChargeFee > uint256(0) && feeByType(sender, recipient) > burnChargeFee){_transfer(address(this), address(DEAD), amount.div(denominator).mul(burnChargeFee));}
return amount.sub(feeAmount);} return amount;
}
function canFeeSwapOnCA(address sender, address recipient, uint256 amount) internal view returns (bool) {
bool aboveMin = amount >= taxSwapMin;
bool aboveThreshold = balanceOf(address(this)) >= taxSwapMax;
return !inCASwap && caSwapActive && launched && aboveMin && !_isExcludedFromFee[sender] && recipient == pairAddy && numCaSwaps >= caSwapCounter && aboveThreshold;
}
function setFee(uint256 _liquidity, uint256 _marketing, uint256 _burn, uint256 _development, uint256 _total, uint256 _sell, uint256 _trans) external onlyOwner {
lpChargeFee = _liquidity; marketChargeFee = _marketing; burnChargeFee = _burn; devChargeFee = _development; buyersTax = _total; sellersTax = _sell; transfersTax = _trans;
require(buyersTax <= denominator.div(1) && sellersTax <= denominator.div(1) && transfersTax <= denominator.div(1), "buyersTax and sellersTax cannot be more than 20%");
}
function addLiquidity(uint256 tokenAmount, uint256 ETHAmount) private {
_approve(address(this), address(dexRouter), tokenAmount);
dexRouter.addLiquidityETH{value: ETHAmount}(
address(this),
tokenAmount,
0,
0,
lpFeeAddy,
block.timestamp);
}
}
