文件 1 的 1:MemeNFT.sol
pragma solidity =0.8.15;
interface IERC20 {
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);
}
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address lpPair, uint);
function createPair(address tokenA, address tokenB) external returns (address lpPair);
function getPair(address tokenA, address tokenB) external view returns (address lpPair);
}
interface IUniswapV2Pair {
function factory() external view returns (address);
}
interface IUniswapV2Router01 {
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);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
contract Ownable {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor () {
_owner = msg.sender;
emit OwnershipTransferred(address(0), msg.sender);
}
function owner() public view returns (address) {
return _owner;
}
modifier onlyOwner() {
require(_owner == msg.sender, "Ownable: caller is not the owner");
_;
}
function transferOwner(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Call renounceOwnership to transfer owner to the zero address.");
require(newOwner != address(0xdead), "Call renounceOwnership to transfer owner to the zero address.");
_owner = newOwner;
emit OwnershipTransferred(_owner, newOwner);
}
function renounceOwnership() public virtual onlyOwner {
_owner = address(0);
emit OwnershipTransferred(_owner, address(0));
}
}
contract MemeNFT is IERC20, Ownable {
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => bool) public lpPairs;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcluded;
address[] private _excluded;
mapping (address => bool) private _isBot;
mapping (address => bool) private _liquidityHolders;
uint256 private startingSupply = 10_000_000_000;
string private _name = "MemeNFT";
string private _symbol = "MNFT";
uint256 private _reflectFee = 0;
uint256 private _liquidityFee = 0;
uint256 private _councilFee = 0;
uint256 private _treasuryFee = 0;
uint256 private _burnFee = 0;
uint256 public _buyReflectFee = 300;
uint256 public _buyLiquidityFee = 200;
uint256 public _buyCouncilFee = 100;
uint256 public _buyTreasuryFee = 100;
uint256 public _buyBurnFee = 0;
uint256 public _sellReflectFee = 300;
uint256 public _sellLiquidityFee = 200;
uint256 public _sellCouncilFee = 100;
uint256 public _sellTreasuryFee = 100;
uint256 public _sellBurnFee = 0;
uint256 constant private maxReflectFee = 500;
uint256 constant private maxLiquidityFee = 500;
uint256 constant private maxCouncilFee = 500;
uint256 constant private maxTreasuryFee = 500;
uint256 constant private maxBurnFee = 500;
uint256 constant private masterTaxDivisor = 10000;
uint256 private constant MAX = ~uint256(0);
uint8 private _decimals = 18;
uint256 private _decimalsMul = _decimals;
uint256 private _tTotal = startingSupply * 10**_decimalsMul;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
IUniswapV2Router02 public dexRouter;
address public lpPair;
address private _routerAddress = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
address public constant burnAddress = address(0xdead);
address public constant ZERO = address(0);
address payable private _councilWallet = payable(0xF17d535EE94C5E472b277F71DDB9C1ae6F8eAEe8);
address payable private _treasuryWallet = payable(0x8DA48F43e271CcCac2f157f5723507e78251F4cc);
bool public inSwapAndLiquify;
bool public swapAndLiquifyEnabled = false;
uint256 private buyMaxTxPercent = 3;
uint256 private buyMaxTxDivisor = 100;
uint256 private _buyMaxTxAmount = (_tTotal * buyMaxTxPercent) / buyMaxTxDivisor;
uint256 private _buyPreviousBuyMaxTxAmount = _buyMaxTxAmount;
uint256 public buyMaxTxAmountUI = (startingSupply * buyMaxTxPercent) / buyMaxTxDivisor;
uint256 private sellMaxTxPercent = 3;
uint256 private sellMaxTxDivisor = 100;
uint256 private _sellMaxTxAmount = (_tTotal * sellMaxTxPercent) / sellMaxTxDivisor;
uint256 private _sellPreviousMaxTxAmount = _sellMaxTxAmount;
uint256 public sellMaxTxAmountUI = (startingSupply * sellMaxTxPercent) / sellMaxTxDivisor;
uint256 private swapThreshold = (_tTotal * 5) / 10000;
uint256 private swapAmount = (_tTotal * 5) / 1000;
bool private tradingEnabled = false;
bool public _hasLiqBeenAdded = false;
bool public getTokens = true;
uint256 private _liqAddBlock = 0;
uint256 private _liqAddStamp = 0;
uint256 private snipeBlockAmt = 0;
uint256 public botsCaught = 0;
event MinTokensBeforeSwapUpdated(uint256 minTokensBeforeSwap);
event SwapAndLiquifyEnabledUpdated(bool enabled);
event SwapAndLiquify(uint256 tokensSwapped,uint256 ethReceived,uint256 tokensIntoLiqudity);
event BotCaught(address botAddress);
modifier lockTheSwap {
inSwapAndLiquify = true;
_;
inSwapAndLiquify = false;
}
constructor () {
_rOwned[msg.sender] = _rTotal;
dexRouter = IUniswapV2Router02(_routerAddress);
lpPair = IUniswapV2Factory(dexRouter.factory()).createPair(dexRouter.WETH(), address(this));
lpPairs[lpPair] = true;
_allowances[address(this)][address(dexRouter)] = type(uint256).max;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[_treasuryWallet] = true;
_isExcludedFromFee[_councilWallet] = true;
_isExcludedFromFee[address(this)] = true;
_liquidityHolders[owner()] = true;
_approve(msg.sender, _routerAddress, _tTotal);
emit Transfer(address(0), msg.sender, _tTotal);
}
receive() external payable {}
function totalSupply() external view override returns (uint256) { return _tTotal; }
function decimals() external view override returns (uint8) { return _decimals; }
function symbol() external view override returns (string memory) { return _symbol; }
function name() external view override returns (string memory) { return _name; }
function getOwner() external view override returns (address) { return owner(); }
function allowance(address holder, address spender) external view override returns (uint256) { return _allowances[holder][spender]; }
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflect(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(msg.sender, recipient, amount);
return true;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(msg.sender, spender, amount);
return true;
}
function approveMax(address spender) public returns (bool) {
return approve(spender, type(uint256).max);
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, msg.sender, _allowances[sender][msg.sender] - amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender] + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(msg.sender, spender, _allowances[msg.sender][spender] - subtractedValue);
return true;
}
function setNewRouter(address newRouter) public onlyOwner {
IUniswapV2Router02 _newRouter = IUniswapV2Router02(newRouter);
address get_pair = IUniswapV2Factory(_newRouter.factory()).getPair(address(this), _newRouter.WETH());
if (get_pair == address(0)) {
lpPair = IUniswapV2Factory(_newRouter.factory()).createPair(address(this), _newRouter.WETH());
}
else {
lpPair = get_pair;
}
dexRouter = _newRouter;
}
function setLpPair(address pair, bool enabled) external onlyOwner {
if (enabled == false) {
lpPairs[pair] = false;
} else {
lpPairs[pair] = true;
}
}
function isExcludedFromReward(address account) public view returns (bool) {
return _isExcluded[account];
}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
function isBot(address account) public view returns (bool) {
return _isBot[account];
}
function setStartingProtections(uint8 _block) external onlyOwner{
require (snipeBlockAmt == 0 && !_hasLiqBeenAdded);
snipeBlockAmt = _block;
}
function removeBot(address account) external onlyOwner {
require(_isBot[account], "Account is not a recorded bot.");
_isBot[account] = false;
}
function setTaxesBuy(uint256 liquidityFee, uint256 reflectionFee, uint256 councilFee, uint256 treasuryFee, uint256 burnFee) external onlyOwner {
require(liquidityFee <= maxLiquidityFee
&& reflectionFee <= maxReflectFee
&& councilFee <= maxCouncilFee
&& treasuryFee <= maxTreasuryFee
&& burnFee <= maxBurnFee);
require(liquidityFee + reflectionFee + councilFee + treasuryFee + burnFee <= 5000);
_buyLiquidityFee = liquidityFee;
_buyReflectFee = reflectionFee;
_buyCouncilFee = councilFee;
_buyTreasuryFee = treasuryFee;
_buyBurnFee = burnFee;
}
function setTaxesSell(uint256 liquidityFee, uint256 reflectionFee, uint256 councilFee, uint256 treasuryFee, uint256 burnFee) external onlyOwner {
require(liquidityFee <= maxLiquidityFee
&& reflectionFee <= maxReflectFee
&& councilFee <= maxCouncilFee
&& treasuryFee <= maxTreasuryFee
&& burnFee <= maxBurnFee);
require(liquidityFee + reflectionFee + councilFee + treasuryFee + burnFee <= 5000);
_sellLiquidityFee = liquidityFee;
_sellReflectFee = reflectionFee;
_sellCouncilFee = councilFee;
_sellTreasuryFee = treasuryFee;
_sellBurnFee = burnFee;
}
function setMaxTxPercents(uint256 buyPercent, uint256 buyDivisor, uint256 sellPercent, uint256 sellDivisor) public onlyOwner {
_buyMaxTxAmount = (_tTotal * buyPercent) / buyDivisor;
buyMaxTxAmountUI = (startingSupply * buyPercent) / buyDivisor;
_sellMaxTxAmount = (_tTotal * sellPercent) / sellDivisor;
sellMaxTxAmountUI = (startingSupply * sellPercent) / sellDivisor;
require(_sellMaxTxAmount >= (_tTotal / 1000)
&& _buyMaxTxAmount >= (_tTotal / 1000),
"Max Transaction amts must be above 0.1% of total supply."
);
}
function setSwapSettings(uint256 thresholdPercent, uint256 thresholdDivisor, uint256 amountPercent, uint256 amountDivisor) external onlyOwner {
swapThreshold = (_tTotal * thresholdPercent) / thresholdDivisor;
swapAmount = (_tTotal * amountPercent) / amountDivisor;
}
function setgetTokens(bool onoff) external onlyOwner {
getTokens = onoff;
}
function setWallets(address payable newCouncilWallet, address payable newTreasuryWallet) external onlyOwner {
_councilWallet = payable(newCouncilWallet);
_treasuryWallet = payable(newTreasuryWallet);
}
function setSwapAndLiquifyEnabled(bool _enabled) public onlyOwner {
swapAndLiquifyEnabled = _enabled;
emit SwapAndLiquifyEnabledUpdated(_enabled);
}
function setExcludedFromFee(address account, bool enabled) public onlyOwner {
_isExcludedFromFee[account] = enabled;
}
function setExcludedFromReward(address account, bool enabled) public onlyOwner {
if (enabled == true) {
require(!_isExcluded[account], "Account is already excluded.");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflect(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
} else if (enabled == false) {
require(_isExcluded[account], "Account is already included.");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function _hasLimits(address from, address to) private view returns (bool) {
return from != owner()
&& to != owner()
&& !_liquidityHolders[to]
&& !_liquidityHolders[from]
&& to != burnAddress
&& to != address(0)
&& from != address(this);
}
function tokenFromReflect(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount / currentRate;
}
function _approve(address sender, address spender, uint256 amount) private {
require(sender != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[sender][spender] = amount;
emit Approval(sender, spender, amount);
}
function adjustTaxes(address from, address to) internal {
if (lpPairs[from]) {
_reflectFee = _buyReflectFee;
_liquidityFee = _buyLiquidityFee;
_councilFee = _buyCouncilFee;
_treasuryFee = _buyTreasuryFee;
_burnFee = _buyBurnFee;
} else if (lpPairs[to]) {
_reflectFee = _sellReflectFee;
_liquidityFee = _sellLiquidityFee;
_councilFee = _sellCouncilFee;
_treasuryFee = _sellTreasuryFee;
_burnFee = _sellBurnFee;
} else {
_reflectFee = 0;
_liquidityFee = 0;
_councilFee = 0;
_treasuryFee = 0;
_burnFee = 0;
}
}
function _transfer(address from, address to, uint256 amount) internal returns (bool) {
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");
if(_hasLimits(from, to)) {
if(!tradingEnabled) {
revert("Trading not yet enabled!");
}
if(lpPairs[to]) {
require(amount <= _sellMaxTxAmount, "Transfer amount exceeds the maxTxAmount.");
} else {
require(amount <= _buyMaxTxAmount, "Transfer amount exceeds the maxTxAmount.");
}
}
bool takeFee = true;
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
if (lpPairs[to]) {
if (!inSwapAndLiquify
&& swapAndLiquifyEnabled
) {
uint256 contractTokenBalance = balanceOf(address(this));
if (contractTokenBalance >= swapThreshold) {
if(contractTokenBalance >= swapAmount) { contractTokenBalance = swapAmount; }
swapAndLiquify(contractTokenBalance);
}
}
}
return _finalizeTransfer(from, to, amount, takeFee);
}
function swapAndLiquify(uint256 contractTokenBalance) private lockTheSwap {
uint256 totalFee = _sellLiquidityFee + _sellCouncilFee + _sellTreasuryFee;
if (totalFee == 0)
return;
uint256 toLiquify = (contractTokenBalance * _sellLiquidityFee) / (totalFee);
uint256 toCouncil = ((contractTokenBalance * _sellCouncilFee) / (totalFee)) / 2;
uint256 toTreasury = ((contractTokenBalance * _sellTreasuryFee) / (totalFee)) / 2;
if(!getTokens){
toCouncil = 0;
toTreasury = 0;
}
uint256 ethOut = contractTokenBalance - toLiquify - toCouncil - toTreasury;
uint256 half = toLiquify / 2;
uint256 otherHalf = toLiquify - half;
uint256 initialBalance = address(this).balance;
uint256 toSwapForEth = half + ethOut;
swapTokensForEth(toSwapForEth);
uint256 fromSwap = address(this).balance - initialBalance;
uint256 liquidityBalance = (fromSwap * half) / toSwapForEth;
if (toLiquify > 0) {
addLiquidity(otherHalf, liquidityBalance);
emit SwapAndLiquify(half, liquidityBalance, otherHalf);
}
if (toCouncil > 0) {
_transfer(address(this), _councilWallet, toTreasury);
}
if (toTreasury > 0) {
_transfer(address(this), _treasuryWallet, toTreasury);
}
if (ethOut > 0) {
transferETHOut(fromSwap - liquidityBalance);
}
}
function transferETHOut(uint256 amt) internal {
uint256 toCouncil = (amt * _sellCouncilFee) / (_sellCouncilFee + _sellTreasuryFee);
uint256 toTreasury = amt - toCouncil;
bool success;
if (toCouncil > 0) {
(success,) = address(_councilWallet).call{value: toCouncil}("");
}
if (toTreasury > 0) {
(success,) = address(_treasuryWallet).call{value: toTreasury}("");
}
}
function swapTokensForEth(uint256 tokenAmount) internal {
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 addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(dexRouter), tokenAmount);
dexRouter.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0,
0,
address(this),
block.timestamp
);
}
function _checkLiquidityAdd(address from, address to) private {
require(!_hasLiqBeenAdded, "Liquidity already added and marked.");
if (!_hasLimits(from, to) && to == lpPair) {
if (snipeBlockAmt == 0 || snipeBlockAmt > 5) {
_liqAddBlock = block.number + 2;
} else {
_liqAddBlock = block.number;
}
_liquidityHolders[from] = true;
_hasLiqBeenAdded = true;
_liqAddStamp = block.timestamp;
swapAndLiquifyEnabled = true;
emit SwapAndLiquifyEnabledUpdated(true);
}
}
function enableTrading() external onlyOwner {
require(!tradingEnabled, "Trading already enabled!");
setExcludedFromReward(address(this), true);
setExcludedFromReward(owner(), true);
setExcludedFromReward(burnAddress, true);
setExcludedFromReward(lpPair, true);
setExcludedFromReward(_councilWallet, true);
setExcludedFromReward(_treasuryWallet, true);
_liqAddBlock = block.number;
tradingEnabled = true;
}
struct ExtraValues {
uint256 tTransferAmount;
uint256 tFee;
uint256 tLiquidity;
uint256 tBurn;
uint256 rTransferAmount;
uint256 rAmount;
uint256 rFee;
}
function _finalizeTransfer(address from, address to, uint256 tAmount, bool takeFee) private returns (bool) {
if (!_hasLiqBeenAdded) {
_checkLiquidityAdd(from, to);
if (!_hasLiqBeenAdded && _hasLimits(from, to)) {
revert("Only owner can transfer at this time.");
}
} else {
if (_liqAddBlock > 0
&& lpPairs[from]
&& _hasLimits(from, to)
) {
if (block.number - _liqAddBlock < snipeBlockAmt) {
_isBot[to] = true;
botsCaught ++;
emit BotCaught(to);
}
}
}
adjustTaxes(from, to);
ExtraValues memory values = _getValues(tAmount, takeFee);
_rOwned[from] = _rOwned[from] - values.rAmount;
_rOwned[to] = _rOwned[to] + values.rTransferAmount;
if (_isExcluded[from] && !_isExcluded[to]) {
_tOwned[from] = _tOwned[from] - tAmount;
} else if (!_isExcluded[from] && _isExcluded[to]) {
_tOwned[to] = _tOwned[to] + values.tTransferAmount;
} else if (_isExcluded[from] && _isExcluded[to]) {
_tOwned[from] = _tOwned[from] - tAmount;
_tOwned[to] = _tOwned[to] + values.tTransferAmount;
}
if (values.tLiquidity > 0)
_takeLiquidity(from, values.tLiquidity);
if (values.tBurn > 0)
_takeBurn(from, values.tBurn);
if (values.rFee > 0 || values.tFee > 0)
_takeReflect(values.rFee, values.tFee);
emit Transfer(from, to, values.tTransferAmount);
return true;
}
function getETHFee() internal view returns (uint256) {
return _liquidityFee + _councilFee;
}
function _getValues(uint256 tAmount, bool takeFee) private view returns (ExtraValues memory) {
ExtraValues memory values;
uint256 currentRate = _getRate();
values.rAmount = tAmount * currentRate;
if(takeFee) {
values.tFee = (tAmount * _reflectFee) / masterTaxDivisor;
values.tLiquidity = (tAmount * (getETHFee())) / masterTaxDivisor;
values.tBurn = (tAmount * _burnFee) / masterTaxDivisor;
values.tTransferAmount = tAmount - (values.tFee + values.tLiquidity + values.tBurn);
values.rFee = values.tFee * currentRate;
} else {
values.tFee = 0;
values.tLiquidity = 0;
values.tBurn = 0;
values.tTransferAmount = tAmount;
values.rFee = 0;
}
values.rTransferAmount = values.rAmount - (values.rFee + (values.tLiquidity * currentRate) + (values.tBurn * currentRate));
return values;
}
function _getRate() private 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 = rSupply - _rOwned[_excluded[i]];
tSupply = tSupply - _tOwned[_excluded[i]];
}
if (rSupply < _rTotal / _tTotal) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeReflect(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal - rFee;
_tFeeTotal = _tFeeTotal + tFee;
}
function _takeLiquidity(address sender, uint256 tLiquidity) private {
uint256 currentRate = _getRate();
uint256 rLiquidity = tLiquidity * currentRate;
_rOwned[address(this)] = _rOwned[address(this)] + rLiquidity;
if(_isExcluded[address(this)])
_tOwned[address(this)] = _tOwned[address(this)] + tLiquidity;
emit Transfer(sender, address(this), tLiquidity);
}
function _takeBurn(address sender, uint256 tBurn) private {
uint256 currentRate = _getRate();
uint256 rBurn = tBurn * currentRate;
_rOwned[burnAddress] = _rOwned[burnAddress] + rBurn;
if(_isExcluded[burnAddress])
_tOwned[burnAddress] = _tOwned[burnAddress] + tBurn;
emit Transfer(sender, burnAddress, tBurn);
}
function sweepTokens(address token) external onlyOwner {
IERC20 toTransfer = IERC20(token);
toTransfer.transfer(msg.sender, toTransfer.balanceOf(address(this)));
}
function sweepETH() external onlyOwner{
uint256 bal = address(this).balance;
bool success;
(success,) = address(msg.sender).call{value: bal}("");
}
}