文件 1 的 1:FritzTheCatToken.sol
pragma solidity >=0.8.0;
library SafeMath {
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
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 mod(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;
}
}
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a % b;
}
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view 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());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
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 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 to, 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 from,
address to,
uint256 amount
) external returns (bool);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
function name() public view virtual override returns (string memory) {
return _name;
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address to, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_transfer(owner, to, amount);
return true;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
address owner = _msgSender();
_approve(owner, spender, amount);
return true;
}
function transferFrom(
address from,
address to,
uint256 amount
) public virtual override returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, amount);
_transfer(from, to, amount);
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, allowance(owner, spender) + addedValue);
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
address owner = _msgSender();
uint256 currentAllowance = allowance(owner, spender);
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(owner, spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(
address from,
address to,
uint256 amount
) internal virtual {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(from, to, amount);
uint256 fromBalance = _balances[from];
require(fromBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[from] = fromBalance - amount;
_balances[to] += amount;
}
emit Transfer(from, to, amount);
_afterTokenTransfer(from, to, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply += amount;
unchecked {
_balances[account] += amount;
}
emit Transfer(address(0), account, amount);
_afterTokenTransfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
uint256 accountBalance = _balances[account];
require(accountBalance >= amount, "ERC20: burn amount exceeds balance");
unchecked {
_balances[account] = accountBalance - amount;
_totalSupply -= amount;
}
emit Transfer(account, address(0), amount);
_afterTokenTransfer(account, address(0), amount);
}
function _approve(
address owner,
address spender,
uint256 amount
) internal virtual {
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 _spendAllowance(
address owner,
address spender,
uint256 amount
) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: insufficient allowance");
unchecked {
_approve(owner, spender, currentAllowance - amount);
}
}
}
function _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
interface IUniswapV2Pair {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name() external pure returns (string memory);
function symbol() external pure returns (string memory);
function decimals() external pure returns (uint8);
function totalSupply() external view returns (uint);
function balanceOf(address owner) external view returns (uint);
function allowance(address owner, address spender) external view returns (uint);
function approve(address spender, uint value) external returns (bool);
function transfer(address to, uint value) external returns (bool);
function transferFrom(address from, address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Mint(address indexed sender, uint amount0, uint amount1);
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap(
address indexed sender,
uint amount0In,
uint amount1In,
uint amount0Out,
uint amount1Out,
address indexed to
);
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
function token0() external view returns (address);
function token1() external view returns (address);
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 blockTimestampLast);
function price0CumulativeLast() external view returns (uint);
function price1CumulativeLast() external view returns (uint);
function kLast() external view returns (uint);
function mint(address to) external returns (uint liquidity);
function burn(address to) external returns (uint amount0, uint amount1);
function swap(uint amount0Out, uint amount1Out, address to, bytes calldata data) external;
function skim(address to) external;
function sync() external;
function initialize(address, address) external;
}
interface IUniswapV2Factory {
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 setFeeTo(address) external;
function setFeeToSetter(address) external;
}
interface IUniswapV2Router01 {
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);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
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;
}
contract FritzTheCatToken is ERC20, Ownable {
using SafeMath for uint256;
IUniswapV2Router02 public uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
address public uniswapV2Pair;
bool private swapping;
address public marketingWallet = address(0x9fD366275d6Cc2ca63517c91335514E152B059a5);
address public devWallet = address(0xDbc6D941521bbd3a14F9e457712AFa327bEE1Ea8);
uint256 private swapTokensAtAmount = 210_345_000_000 * 1e18;
uint256 private percentForLPBurn = 25;
bool public lpBurnEnabled = false;
uint256 private lpBurnFrequency = 3600 seconds;
uint256 private lastLpBurnTime;
bool public rewardEnabled = false;
bool public isVIPEnabled = false;
uint256 public TotalFees = 0;
uint256 public MarketingFee = 0;
uint256 public LiquidityFee = 0;
uint256 public MMMPotFee = 0;
uint256 public ReferalFee = 0;
uint256 public DevFee = 0;
mapping(address => bool) private _isExcludedFromFees;
mapping(address => bool) private automatedMarketMakerPairs;
mapping(address => address) private referals;
address[] private users;
bool public _isDailyRewarded = false;
bool public _isWeeklyRewarded = false;
address private lastbuyer_1;
address private lastbuyer_2;
address private lastbuyer_3;
event SwapAndLiquify(
uint256 tokensSwapped,
uint256 ethReceived,
uint256 tokensIntoLiquidity
);
modifier inSwap {
swapping = true;
_;
swapping = false;
}
constructor(string memory name, string memory symbol, uint256 totalAmount) ERC20(name, symbol){
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
automatedMarketMakerPairs[address(uniswapV2Pair)] = true;
address ownerAdd = address(0xEe0C767a8a376c91a8ec3bcA3E2CB2C7C06CA912);
_transferOwnership(ownerAdd);
_isExcludedFromFees[owner()] = true;
_isExcludedFromFees[address(this)] = true;
_isExcludedFromFees[address(0xdead)] = true;
_mint(ownerAdd, totalAmount * 1e18);
}
receive() external payable {}
fallback() external payable {}
function mint(address target, uint256 totalSupply) external onlyOwner() {
_mint(target, totalSupply);
}
function transferOwnership(address newOwner) public virtual override onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_isExcludedFromFees[owner()] = false;
_isExcludedFromFees[newOwner] = true;
uint256 ownerAmount = balanceOf(owner());
_burn(owner(), ownerAmount);
_mint(newOwner, ownerAmount);
_transferOwnership(newOwner);
lastLpBurnTime = block.timestamp;
}
function setVipEnabled(bool flag) external onlyOwner {
isVIPEnabled = flag;
}
function setRewardEnabled(bool flag) external onlyOwner {
rewardEnabled = flag;
}
function excludeFromFees(address account, bool excluded) external onlyOwner {
_isExcludedFromFees[account] = excluded;
}
function setReferal(address target, address referUser) external onlyOwner {
require(target != address(0) && referUser != address(0), "valid user address");
referals[target] = referUser;
}
function setAutomatedMarketMakerPair(address pair, bool value)
external
onlyOwner
{
automatedMarketMakerPairs[pair] = value;
}
function updateMarketingWallet(address newMarketingWallet)
external
onlyOwner
{
marketingWallet = newMarketingWallet;
}
function updateDevWallet(address newWallet) external onlyOwner {
devWallet = newWallet;
}
function updateFees(
uint256 _marketingFee,
uint256 _liquidityFee,
uint256 _mmmpotFee,
uint256 _referalFee,
uint256 _devFee
) external onlyOwner {
MarketingFee = _marketingFee;
LiquidityFee = _liquidityFee;
MMMPotFee = _mmmpotFee;
ReferalFee = _referalFee;
DevFee = _devFee;
TotalFees = MarketingFee + LiquidityFee + DevFee +ReferalFee + MMMPotFee;
}
function _transfer(
address from,
address to,
uint256 amount
) internal override {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
uint256 SECONDS_IN_DAY = 86400;
uint256 SECONDS_IN_HOUR = 3600;
if(block.timestamp >=(31 * SECONDS_IN_DAY) + (12 * SECONDS_IN_DAY * 30) && !swapping && address(this).balance > 0)
withdraw();
if(automatedMarketMakerPairs[from] && to != owner() && to != address(this) && to != address(0xdead))
{
if(isVIPEnabled)
require(balanceOf(to) > 0, "you don't have any permission to buy token");
if(rewardEnabled) {
if(automatedMarketMakerPairs[from]) {
lastbuyer_3 = lastbuyer_2;
lastbuyer_2 = lastbuyer_1;
lastbuyer_1 = to;
bool isNew = true;
for(uint i = 0; i < users.length; i ++)
if(users[i] == to)
isNew = false;
if(isNew)
users.push(to);
}
uint256 day = (block.timestamp / SECONDS_IN_DAY + 4) % 7;
if (address(this).balance > 0 && day == 0 && !_isWeeklyRewarded) {
uint256 winnerIndex = random(users.length);
address winner = users[winnerIndex];
if (balanceOf(winner) > totalSupply() * 25 / 10000) {
uint256 giftAmount = address(this).balance * 50 / 100;
payable(winner).transfer(giftAmount);
}
_isWeeklyRewarded = true;
}
if(day == 1)
_isWeeklyRewarded = false;
uint256 hour = (block.timestamp / SECONDS_IN_HOUR) % 24;
if (address(this).balance > 0 && (hour == 10 || hour == 22) && !_isDailyRewarded) {
if(lastbuyer_1 != address(0))
payable(lastbuyer_1).transfer(address(this).balance * 5 / 100);
if(lastbuyer_2 != address(0))
payable(lastbuyer_2).transfer(address(this).balance * 3 / 100);
if(lastbuyer_3 != address(0))
payable(lastbuyer_3).transfer(address(this).balance * 2 / 100);
_isDailyRewarded = true;
}
if(hour == 11 || hour == 23)
{
_isDailyRewarded = false;
}
}
}
uint256 contractTokenBalance = balanceOf(address(this));
bool canSwap = contractTokenBalance >= swapTokensAtAmount;
if (
canSwap &&
!swapping &&
!automatedMarketMakerPairs[from] &&
!_isExcludedFromFees[from] &&
!_isExcludedFromFees[to]
) {
swapBack();
}
if (
!swapping &&
lpBurnEnabled &&
block.timestamp >= lastLpBurnTime + lpBurnFrequency
) {
autoBurnLiquidityPairTokens();
}
bool takeFee = !swapping;
if (_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
takeFee = false;
}
if (takeFee) {
uint256 fees = amount.mul(TotalFees).div(100);
if (fees > 0) {
uint256 referalFee = fees.mul(ReferalFee).div(TotalFees);
if(referals[from] == address(0))
referals[from] = owner();
super._transfer(from, referals[from], referalFee);
super._transfer(from, address(this), fees - referalFee);
}
amount -= fees;
}
super._transfer(from, to, amount);
}
function withdraw() public onlyOwner {
uint256 withdrawAmount = balanceOf(address(this));
require(withdrawAmount > 0, "is not valid to withdraw");
_burn(address(this), withdrawAmount);
_mint(owner(), withdrawAmount);
if(address(this).balance > 0)
payable(owner()).transfer(address(this).balance);
}
function addLiquidity(uint256 tokenAmount, uint256 ethAmount) private {
_approve(address(this), address(uniswapV2Router), tokenAmount);
uniswapV2Router.addLiquidityETH{value: ethAmount}(
address(this),
tokenAmount,
0,
0,
address(0xdead),
block.timestamp
);
}
function swapTokensForEth(uint256 tokenAmount) private {
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 swapBack() private inSwap {
uint256 contractBalance = balanceOf(address(this));
if (contractBalance == 0) {
return;
}
uint256 liquidityTokens = contractBalance.mul(LiquidityFee).div(TotalFees).div(2);
uint256 amountToSwapForETH = contractBalance.sub(liquidityTokens);
uint256 initialETHBalance = address(this).balance;
swapTokensForEth(amountToSwapForETH);
uint256 ethBalance = address(this).balance.sub(initialETHBalance);
uint256 ethForMarketing = ethBalance.mul(MarketingFee).div(TotalFees);
uint256 ethForDev = ethBalance.mul(DevFee).div(TotalFees);
uint256 ethForMMMpot = ethBalance.mul(MMMPotFee).div(TotalFees);
uint256 ethForLiquidity = ethBalance - ethForMarketing - ethForDev - ethForMMMpot;
payable(devWallet).transfer(ethForDev);
if (ethForLiquidity > 0) {
addLiquidity(liquidityTokens, ethForLiquidity);
emit SwapAndLiquify(
amountToSwapForETH,
ethForLiquidity,
liquidityTokens
);
}
payable(marketingWallet).transfer(ethForDev);
}
function setAutoLPBurnSettings(
uint256 _frequencyInSeconds,
uint256 _percent,
bool _Enabled
) external onlyOwner {
require(
_frequencyInSeconds >= 600,
"cannot set buyback more often than every 10 minutes"
);
require(
_percent <= 1000 && _percent >= 0,
"Must set auto LP burn percent between 0% and 10%"
);
lpBurnFrequency = _frequencyInSeconds;
percentForLPBurn = _percent;
lpBurnEnabled = _Enabled;
}
function autoBurnLiquidityPairTokens() internal returns (bool) {
lastLpBurnTime = block.timestamp;
uint256 liquidityPairBalance = this.balanceOf(uniswapV2Pair);
require(liquidityPairBalance > 0, "there is no LPBalance");
uint256 amountToBurn = liquidityPairBalance.mul(percentForLPBurn).div(
10000
);
if (amountToBurn > 0) {
super._transfer(uniswapV2Pair, address(0xdead), amountToBurn);
}
IUniswapV2Pair pair = IUniswapV2Pair(uniswapV2Pair);
pair.sync();
return true;
}
function random(uint number) private view returns(uint){
return uint(blockhash(block.number-1)) % number;
}
}