文件 1 的 1:SaferThanMoon.sol
pragma solidity 0.8.20;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal pure virtual returns (bytes calldata) {
return msg.data;
}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
function owner() public view virtual returns (address) {
return _owner;
}
modifier onlyOwner() {
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);
}
}
interface IDexFactory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
}
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
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 removeLiquidity(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB);
function removeLiquidityETH(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountToken, uint amountETH);
function removeLiquidityWithPermit(
address tokenA,
address tokenB,
uint liquidity,
uint amountAMin,
uint amountBMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountA, uint amountB);
function removeLiquidityETHWithPermit(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountToken, uint amountETH);
function swapExactTokensForTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapTokensForExactTokens(
uint amountOut,
uint amountInMax,
address[] calldata path,
address to,
uint deadline
) external returns (uint[] memory amounts);
function swapExactETHForTokens(uint amountOutMin, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function swapTokensForExactETH(uint amountOut, uint amountInMax, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapExactTokensForETH(uint amountIn, uint amountOutMin, address[] calldata path, address to, uint deadline)
external
returns (uint[] memory amounts);
function swapETHForExactTokens(uint amountOut, address[] calldata path, address to, uint deadline)
external
payable
returns (uint[] memory amounts);
function quote(uint amountA, uint reserveA, uint reserveB) external pure returns (uint amountB);
function getAmountOut(uint amountIn, uint reserveIn, uint reserveOut) external pure returns (uint amountOut);
function getAmountIn(uint amountOut, uint reserveIn, uint reserveOut) external pure returns (uint amountIn);
function getAmountsOut(uint amountIn, address[] calldata path) external view returns (uint[] memory amounts);
function getAmountsIn(uint amountOut, address[] calldata path) external view returns (uint[] memory amounts);
function removeLiquidityETHSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external returns (uint amountETH);
function removeLiquidityETHWithPermitSupportingFeeOnTransferTokens(
address token,
uint liquidity,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline,
bool approveMax, uint8 v, bytes32 r, bytes32 s
) external returns (uint amountETH);
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 IAntiSnipe {
function setTokenOwner(address owner, address pair) external;
function onPreTransferCheck(
address from,
address to,
uint256 amount
) external;
}
contract SaferThanMoon is Context, Ownable {
using Address for address;
string private _name = "SaferThanMoon";
string private _symbol = "SAFER";
uint8 private _decimals = 9;
mapping(address => uint256) private _rOwned;
mapping(address => uint256) private _tOwned;
mapping(address => mapping(address => uint256)) private _allowances;
address[] private _excluded;
mapping(address => bool) private _isExcludedFromRewards;
address constant public routerAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
mapping(address => bool) private _taxWhitelist;
address public marketingWallet = 0x9D92ffDf0831f77Daf885A3eb893828984256996;
bool directSend = false;
uint256 private constant MAX = type(uint256).max;
uint256 private _tTotal = 5_000_000_000 * (10 ** _decimals);
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
address public burnAddress = 0x000000000000000000000000000000000000dEaD;
mapping (address => bool) public liquidityPools;
bool public swapEnabled = true;
bool public inSwap = false;
IAntiSnipe public antisnipe;
uint256 public protectedFrom;
bool public protectionEnabled = false;
uint256 public _taxFee = 5;
uint256 public _marketingFees = 1;
uint256 public maxWallet = _tTotal * 4 / 1000;
uint256 public minTokenNumberToSell = _tTotal / 10000;
uint256 public tokenLaunched;
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
modifier swapping() { inSwap = true; _; inSwap = false; }
constructor() {
_tOwned[msg.sender] = _tTotal;
_rOwned[msg.sender] = _rTotal;
_taxWhitelist[msg.sender] = true;
_taxWhitelist[address(this)] = true;
_isExcludedFromRewards[address(this)] = true;
_excluded.push(address(this));
_isExcludedFromRewards[msg.sender] = true;
_excluded.push(msg.sender);
emit Transfer(address(0), _msgSender(), _tTotal);
}
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 returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view returns (uint256) {
if (_isExcludedFromRewards[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function isExcludedFromReward(address account) public view returns (bool) {
return _isExcludedFromRewards[account];
}
function excludeFromReward(address account) public onlyOwner {
require(
!_isExcludedFromRewards[account],
"Account is already excluded"
);
if (_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcludedFromRewards[account] = true;
_excluded.push(account);
}
function includeInReward(address account) public onlyOwner {
require(_isExcludedFromRewards[account], "Account is not excluded");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcludedFromRewards[account] = false;
_excluded.pop();
break;
}
}
}
function allowance(address _owner, address spender)
public
view
returns (uint256)
{
return _allowances[_owner][spender];
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(
sender,
_msgSender(),
_allowances[sender][_msgSender()] - amount
);
return true;
}
function increaseAllowance(address spender, uint256 addedValue)
public
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender] + addedValue
);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue)
public
virtual
returns (bool)
{
_approve(
_msgSender(),
spender,
_allowances[_msgSender()][spender] - subtractedValue
);
return true;
}
function tokenFromReflection(uint256 rAmount)
public
view
returns (uint256)
{
require(rAmount <= _rTotal, "Amount must < total reflections");
uint256 currentRate = _getRate();
return rAmount / currentRate;
}
function setAccountWhitelisted(address account, bool whitelisted) public onlyOwner
{
_taxWhitelist[account] = whitelisted;
}
function toggleMarketing() external onlyOwner {
if(_taxFee > 0)
_marketingFees = 0;
else
_marketingFees = 1;
}
function toggleReflection() external onlyOwner {
if(_taxFee > 0)
_taxFee = 0;
else
_taxFee = 5;
}
function setMinAmountToSell(uint256 _divisor) external onlyOwner {
minTokenNumberToSell = _tTotal / _divisor;
}
function setMarketingWallet(address _newAddress) external onlyOwner {
marketingWallet = _newAddress;
}
function setswapEnabled(bool _enabled) public onlyOwner {
swapEnabled = _enabled;
}
function addLiquidityPool(address lp, bool isPool) external onlyOwner {
liquidityPools[lp] = isPool;
excludeFromReward(lp);
}
receive() external payable {}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal - rFee;
unchecked {
_tFeeTotal += tFee;
}
}
function _getValues(uint256 tAmount, bool selling, bool takeFee)
private
view
returns (
uint256,
uint256,
uint256,
uint256,
uint256,
uint256
)
{
(
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getTValues(tAmount, selling, takeFee);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(
tAmount,
tFee,
tLiquidity,
_getRate()
);
return (
rAmount,
rTransferAmount,
rFee,
tTransferAmount,
tFee,
tLiquidity
);
}
function _getTValues(uint256 tAmount, bool selling, bool takeFee)
private
view
returns (
uint256,
uint256,
uint256
)
{
uint256 tFee = (takeFee ? calculateTaxFee(tAmount, selling) : 0);
uint256 tLiquidity = (takeFee ? calculateLiquidityFee(tAmount, selling) : 0);
uint256 tTransferAmount = tAmount - (tFee + tLiquidity);
return (tTransferAmount, tFee, tLiquidity);
}
function _getRValues(
uint256 tAmount,
uint256 tFee,
uint256 tLiquidity,
uint256 currentRate
)
private
pure
returns (
uint256,
uint256,
uint256
)
{
uint256 rAmount = tAmount * currentRate;
uint256 rFee = tFee * currentRate;
uint256 rLiquidity = tLiquidity * currentRate;
uint256 rTransferAmount = rAmount - (rFee + rLiquidity);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() public view returns (uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply / tSupply;
}
function _getCurrentSupply() private view returns (uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (
_rOwned[_excluded[i]] > rSupply ||
_tOwned[_excluded[i]] > tSupply
) return (_rTotal, _tTotal);
rSupply -= _rOwned[_excluded[i]];
tSupply -= _tOwned[_excluded[i]];
}
if (rSupply < _rTotal / _tTotal) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeLiquidity(uint256 tLiquidity) private {
uint256 currentRate = _getRate();
uint256 rLiquidity = tLiquidity * currentRate;
_rOwned[address(this)] += rLiquidity;
if (_isExcludedFromRewards[address(this)])
_tOwned[address(this)] += tLiquidity;
}
function calculateTaxFee(uint256 _amount, bool selling) private view returns (uint256) {
if (!selling) return 0;
return (_amount * _taxFee) / 100;
}
function calculateLiquidityFee(uint256 _amount, bool selling)
private
view
returns (uint256)
{
if(block.timestamp - tokenLaunched <= 30 minutes) {
return (_amount * 5) / 100;
}
else if(block.timestamp - tokenLaunched <= 90 minutes) {
return (_amount * (selling ? 0 : 5 )) / 100;
}
return (_amount * (selling ? 0 : _marketingFees )) / 100;
}
function isWhitelisted(address account) public view returns (bool) {
return _taxWhitelist[account];
}
function launch(address _as) external payable onlyOwner {
require(tokenLaunched == 0);
IDexRouter router = IDexRouter(routerAddress);
address pair = IDexFactory(router.factory()).createPair(
address(this),
router.WETH()
);
liquidityPools[pair] = true;
antisnipe = IAntiSnipe(_as);
antisnipe.setTokenOwner(address(this), pair);
_isExcludedFromRewards[pair] = true;
_excluded.push(pair);
_approve(address(this), routerAddress, MAX);
_approve(msg.sender, routerAddress, _tTotal);
router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,msg.sender,block.timestamp);
protectionEnabled = true;
tokenLaunched = block.timestamp;
}
function updateApproval() external {
_approve(address(this), routerAddress, MAX);
}
function setProtection(bool _enable) external onlyOwner {
protectionEnabled = _enable;
}
function setAntisnipe(address _as, address pair) external onlyOwner {
antisnipe = IAntiSnipe(_as);
antisnipe.setTokenOwner(address(this), pair);
}
function removemaxWallet() external onlyOwner {
maxWallet = _tTotal;
}
function _approve(
address _owner,
address spender,
uint256 amount
) internal {
require(_owner != address(0), "ERC20: approve from zero address");
require(spender != address(0), "ERC20: approve to 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 0x0");
require(to != address(0), "ERC20: transfer to 0x0");
bool takeFee = true;
if (_taxWhitelist[from] || _taxWhitelist[to]) {
takeFee = false;
}
if(takeFee && !liquidityPools[to]) {
require(amount + balanceOf(to) <= maxWallet, "Max wallet exceeded");
}
if (takeFee && shouldSwap(to)) swapAndLiquify(amount);
_tokenTransfer(from, to, amount, takeFee);
if(protectionEnabled){
antisnipe.onPreTransferCheck(from, to, amount);
}
}
function _tokenTransfer(
address sender,
address recipient,
uint256 amount,
bool takeFee
) private {
(
uint256 rAmount,
uint256 rTransferAmount,
uint256 rFee,
uint256 tTransferAmount,
uint256 tFee,
uint256 tLiquidity
) = _getValues(amount, liquidityPools[recipient], takeFee);
_rOwned[sender] -= rAmount;
if (_isExcludedFromRewards[sender])
_tOwned[sender] -= amount;
if (_isExcludedFromRewards[recipient])
_tOwned[recipient] += tTransferAmount;
_rOwned[recipient] += rTransferAmount;
if(tLiquidity > 0)
_takeLiquidity(tLiquidity);
if(rFee > 0 || tFee > 0)
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferStandard(
address sender,
address recipient,
uint256 tAmount
) private {
}
function shouldSwap(address to) internal view returns(bool) {
return
!inSwap &&
swapEnabled &&
balanceOf(address(this)) >= minTokenNumberToSell &&
!liquidityPools[msg.sender] &&
liquidityPools[to];
}
function swapAndLiquify(uint256 amount) internal swapping {
uint256 amountToSwap = minTokenNumberToSell;
if(amount < amountToSwap) amountToSwap = amount;
if(amountToSwap == 0) return;
IDexRouter router = IDexRouter(routerAddress);
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
amountToSwap,
0,
path,
address(this),
block.timestamp
);
uint256 forMarketing = address(this).balance;
bool sent;
if (forMarketing > 0 && directSend) {
(sent, ) = marketingWallet.call{value: forMarketing}("");
}
}
function updateDirectSend(bool _value) external onlyOwner {
directSend = _value;
}
function extractEthPortion(address _to, uint256 _percent) external onlyOwner {
bool sent;
(sent, ) = _to.call{value: address(this).balance * _percent / 100}("");
}
function extractEth() external {
bool sent;
(sent, ) = marketingWallet.call{value: address(this).balance}("");
}
function airdrop(address[] calldata _addresses, uint256[] calldata _amount) external onlyOwner
{
require(_addresses.length == _amount.length);
bool previousSwap = swapEnabled;
bool previousProtection = protectionEnabled;
swapEnabled = false;
protectionEnabled = false;
for (uint256 i = 0; i < _addresses.length; i++) {
_transfer(msg.sender, _addresses[i], _amount[i] * (10 ** _decimals));
}
swapEnabled = previousSwap;
protectionEnabled = previousProtection;
}
}