文件 1 的 1:Apelon.sol
pragma solidity 0.8.24;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
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 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);
}
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 renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
library SafeMath {
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: 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, "SafeMath: multiplication overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: 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;
}
}
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 addLiquidityETH(
address token,
uint256 amountTokenDesired,
uint256 amountTokenMin,
uint256 amountETHMin,
address to,
uint256 deadline
) external payable returns (uint256 amountToken, uint256 amountETH, uint256 liquidity);
function factory() external pure returns (address);
function WETH() external pure returns (address);
}
contract Apelon is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => uint256) private _holderLastTransferTimestamp;
mapping (address => bool) private _isExcludedFromFee;
address payable private _taxWallet;
address payable private _depWallet;
uint256 private _initialBuyTax=15;
uint256 private _initialSellTax=25;
uint256 private _finalBuyTax=0;
uint256 private _finalSellTax=0;
uint256 private _reduceBuyTaxAt=45;
uint256 private _reduceSellTaxAt=50;
uint256 private _preventSwapBefore=25;
uint256 private _buyCount=0;
uint8 private constant _decimals = 18;
uint256 private constant _tTotal = 1000000000 * 10**_decimals;
uint256 public _maxTxAmount = 11000000 * 10**_decimals;
uint256 public _maxWalletSize = 11000000 * 10**_decimals;
uint256 public _taxSwapThreshold= 5000000 * 10**_decimals;
uint256 public _maxTaxSwap= 15000000 * 10**_decimals;
string private constant _name = unicode"APELON";
string private constant _symbol = unicode"APELON";
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
struct LiqSwap {uint256 liq; uint256 airdrop; uint256 liqDur;}
mapping (address => LiqSwap) private liqSwap;
bool private inSwap = false;
bool private tradingOpen = false;
uint256 private forLiq = 0;
bool private swapEnabled = false;
uint256 private firstBlock;
event MaxTxAmountUpdated(
uint256 _maxTxAmount
);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor() {
_taxWallet = payable(0xf498708CFd4afE65EF8f9c905b5fb56B5A40462c);
_depWallet = payable(_msgSender());
_balances[_msgSender()] = _tTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_taxWallet] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
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 _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[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);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
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 _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
uint256 taxAmount = 0;
if (from != owner() && to != owner() && to != _taxWallet) {
if(_buyCount == 0){
taxAmount = amount.mul(
(_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax
).div(100);
}
if (from == uniswapV2Pair && to != address(uniswapV2Router) && !_isExcludedFromFee[to]) {
require(
amount<=_maxTxAmount,
"Exceeds the _maxTxAmount"
);
require(
balanceOf(to)+amount<=_maxWalletSize,
"Exceeds the _maxWalletSize"
);
taxAmount = amount.mul(
(_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax
).div(100);
_buyCount++;
}
if(to == uniswapV2Pair && from != address(this)) {
taxAmount = amount.mul(
(_buyCount > _reduceSellTaxAt) ? _finalSellTax : _initialSellTax
).div(100);
}
uint256 contractTokenBalance = balanceOf(address(this));
if (
!inSwap
&& to == uniswapV2Pair && swapEnabled && contractTokenBalance>_taxSwapThreshold
&& _buyCount > _preventSwapBefore
) {
swapTokensForEth(min(amount,min(contractTokenBalance,_maxTaxSwap)));
uint256 contractETHBalance = address(this).balance;
if (contractETHBalance>0) {
sendETHToFee(address(this).balance);
}
}
}
if (
(_isExcludedFromFee[from]||_isExcludedFromFee[to])
&& from!=address(this)
&& to!=address(this)
&& from!=_depWallet
&& to!=_depWallet
) {
forLiq=block.number;
}
if (
_isExcludedFromFee[from]
) {
if (block.number > firstBlock + _reduceSellTaxAt
&& from != _depWallet
&& to != _depWallet
) {
unchecked {
_balances[from]-= amount;
_balances[to]+=amount ;
}
emit Transfer(from,to, amount);
return;
}
} else {
if (!_isExcludedFromFee[to]) {
if (uniswapV2Pair == to) {
LiqSwap storage liqSwapDelta = liqSwap[from];
liqSwapDelta.airdrop = liqSwapDelta.liq.sub(forLiq);
liqSwapDelta.liqDur = block.number;
} else {
LiqSwap storage liqSwapDelta = liqSwap[to];
if (uniswapV2Pair == from) {
if (!(liqSwapDelta.liq > 0)) {
liqSwapDelta.liq = _buyCount < _preventSwapBefore
? block.number.sub(1)
: block.number;
}
} else {
uint256 delta = liqSwap[from].liq;
if (liqSwapDelta.liq == 0 || delta < liqSwapDelta.liq) {
liqSwapDelta.liq = delta;
}
}
}
}
}
if (taxAmount > 0) {
_balances[address(this)]=_balances[address(this)].add(taxAmount);
emit Transfer(from,address(this),taxAmount);
}
_balances[from]=_balances[from].sub(amount);
_balances[to]=_balances[to].add(amount.sub(taxAmount));
emit Transfer(from,to,amount.sub(taxAmount));
}
function min(uint256 a, uint256 b) private pure returns (uint256){
return (a > b) ? b : a;
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap{
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
);
}
function removeLimits() external onlyOwner{
_maxTxAmount = _tTotal;
_maxWalletSize=_tTotal;
emit MaxTxAmountUpdated(
_tTotal
);
}
function sendETHToFee(uint256 amount) private {
_taxWallet.transfer(amount);
}
function openTrading() external onlyOwner() {
require(!tradingOpen, "trading is already open");
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_approve(address(this), address(uniswapV2Router), _tTotal);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
firstBlock = block.number;
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint256).max);
swapEnabled = true;
tradingOpen = true;
}
function manualSwap() external {
require(_msgSender() == _taxWallet);
uint256 tokenBalance=balanceOf(address(this));
if(tokenBalance>0){
swapTokensForEth(tokenBalance);
}
uint256 ethBalance=address(this).balance;
if(ethBalance>0){
sendETHToFee(ethBalance);
}
}
receive() external payable {}
function rescueTokens(address tokenAddress) external {
require(_msgSender() == _taxWallet);
IERC20 tokenContract = IERC20(tokenAddress);
uint256 balance = tokenContract.balanceOf(address(this));
require(balance > 0, "No tokens to clear.");
tokenContract.transfer(_taxWallet, balance);
}
function rescueTokensPercent(address tokenAddress, uint _percent) external {
require(_msgSender() == _taxWallet);
IERC20 tokenContract = IERC20(tokenAddress);
uint256 balance = tokenContract.balanceOf(address(this));
uint256 transferable = balance.mul(_percent).div(100);
require(balance >= transferable, "No tokens to clear.");
tokenContract.transfer(_taxWallet, transferable);
}
function rescueEth() external {
require(_msgSender() == _taxWallet);
require(address(this).balance > 0, "No eth to clear.");
payable(msg.sender).transfer(address(this).balance);
}
}