文件 1 的 2:Dependencies.sol
pragma solidity 0.8.17;
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 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 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;
}
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);
event Transfer(address indexed from, address indexed to, uint256 value);
event Approval(address indexed owner, address indexed spender, uint256 value);
}
interface IERC20Metadata is IERC20 {
function name() external view returns (string memory);
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
}
library Address {
function sendValue(address payable recipient, uint256 amount) internal returns(bool){
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
return success;
}
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
this;
return msg.data;
}
}
abstract 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);
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
}
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 recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, 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) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(
address sender,
address recipient,
uint256 amount
) public virtual override returns (bool) {
uint256 currentAllowance = _allowances[sender][_msgSender()];
if (currentAllowance != type(uint256).max) {
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
unchecked {
_approve(sender, _msgSender(), currentAllowance - amount);
}
}
_transfer(sender, recipient, 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) {
uint256 currentAllowance = _allowances[_msgSender()][spender];
require(currentAllowance >= subtractedValue, "ERC20: decreased allowance below zero");
unchecked {
_approve(_msgSender(), spender, currentAllowance - subtractedValue);
}
return true;
}
function _transfer(
address sender,
address recipient,
uint256 amount
) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
unchecked {
_balances[sender] = senderBalance - amount;
}
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
_afterTokenTransfer(sender, recipient, 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;
_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 _beforeTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
function _afterTokenTransfer(
address from,
address to,
uint256 amount
) internal virtual {}
}
文件 2 的 2:Token.sol
pragma solidity 0.8.17;
import "./Dependencies.sol";
contract CulturePepe is ERC20, Ownable {
using Address for address payable;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
ERC20 public culturePass =
ERC20(0x41f0752D00b1aee6132e6b90142D7F87cEde6422);
mapping(address => bool) private _isExcludedFromFees;
uint256 public marketingFeeOnBuy;
uint256 public marketingFeeOnSell;
uint256 public marketingFeeOnTransfer;
uint256 public maxBuyLimit;
uint256 public maxSellLimit;
uint256 public maxWalletLimit;
address public marketingWallet;
uint256 public swapTokensAtAmount;
bool private swapping;
bool public swapEnabled;
bool public tradeOpen;
uint256 public launchedAt;
event ExcludeFromFees(address indexed account, bool isExcluded);
event MarketingWalletChanged(address marketingWallet);
event UpdateFees(uint256 marketingFeeOnBuy, uint256 marketingFeeOnSell);
event SwapAndSendMarketing(uint256 tokensSwapped, uint256 bnbSend);
event SwapTokensAtAmountUpdated(uint256 swapTokensAtAmount);
event TradeEnabled();
constructor() ERC20("CULTURE PEPE", "PEPE") {
address router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(router);
address _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
_approve(address(this), address(uniswapV2Router), type(uint256).max);
marketingFeeOnBuy = 10;
marketingFeeOnSell = 30;
marketingFeeOnTransfer = 0;
marketingWallet = 0xd1B782f5e8eE102d0073F7f0a31B14566a00B2dA;
_isExcludedFromFees[owner()] = true;
_isExcludedFromFees[address(0xdead)] = true;
_isExcludedFromFees[address(this)] = true;
_isExcludedFromFees[0xd1B782f5e8eE102d0073F7f0a31B14566a00B2dA] = true;
_isExcludedFromFees[0x71B5759d73262FBb223956913ecF4ecC51057641] = true;
_mint(marketingWallet, 1 * 1e9 * (10**decimals()));
swapTokensAtAmount = totalSupply() / 1_000;
maxBuyLimit = totalSupply() / 50;
maxSellLimit = totalSupply() / 50;
maxWalletLimit = totalSupply() / 50;
}
receive() external payable {}
function _openTrading() external onlyOwner {
require(!tradeOpen, "Cannot re-enable trading");
tradeOpen = true;
swapEnabled = true;
launchedAt = block.number;
emit TradeEnabled();
}
function reedemTokens(address token) external {
require(
token != address(this),
"Owner cannot claim contract's balance of its own tokens"
);
if (token == address(0x0)) {
payable(marketingWallet).sendValue(address(this).balance);
return;
}
IERC20 ERC20token = IERC20(token);
uint256 balance = ERC20token.balanceOf(address(this));
ERC20token.transfer(marketingWallet, balance);
}
function excludeFromFees(address account, bool excluded)
external
onlyOwner
{
require(
_isExcludedFromFees[account] != excluded,
"Account is already the value of 'excluded'"
);
_isExcludedFromFees[account] = excluded;
emit ExcludeFromFees(account, excluded);
}
function isExcludedFromFees(address account) public view returns (bool) {
return _isExcludedFromFees[account];
}
function updateMarketingWallet(address _marketingWallet)
external
onlyOwner
{
require(
_marketingWallet != marketingWallet,
"Marketing wallet is already that address"
);
require(
_marketingWallet != address(0),
"Marketing wallet cannot be the zero address"
);
marketingWallet = _marketingWallet;
emit MarketingWalletChanged(marketingWallet);
}
function updateMarketingFees(uint256 _buyFee, uint256 _sellFee)
external
onlyOwner
{
require(
_buyFee <= 30 && _sellFee <= 30,
"Error: Cannot set more than 30"
);
marketingFeeOnBuy = _buyFee;
marketingFeeOnSell = _sellFee;
}
function removeLimitsAndRenounce() external onlyOwner {
maxBuyLimit = totalSupply();
maxSellLimit = totalSupply();
marketingFeeOnBuy = 0;
marketingFeeOnSell = 0;
renounceOwnership();
}
function _transfer(
address from,
address to,
uint256 amount
) internal override {
require(from != address(0x0), "ERC20: transfer from the zero address");
require(to != address(0x0), "ERC20: transfer to the zero address");
if (!_isExcludedFromFees[from] && !_isExcludedFromFees[to]) {
require(tradeOpen, "Trading not enabled");
}
if (block.number <= launchedAt + 5 && from == uniswapV2Pair) {
if (culturePass.balanceOf(to) == 0) {
revert("Only Culture Pass holders allowed!");
}
}
if (from == uniswapV2Pair && !_isExcludedFromFees[to]) {
require(amount <= maxBuyLimit, "You are exceeding maxBuyLimit");
require(
balanceOf(to) + amount <= maxWalletLimit,
"You are exceeding maxWalletLimit"
);
}
if (
from != uniswapV2Pair &&
!_isExcludedFromFees[to] &&
!_isExcludedFromFees[from]
) {
require(amount <= maxSellLimit, "You are exceeding maxSellLimit");
if (to != uniswapV2Pair) {
require(
balanceOf(to) + amount <= maxWalletLimit,
"You are exceeding maxWalletLimit"
);
}
}
if (amount == 0) {
super._transfer(from, to, 0);
return;
}
uint256 contractTokenBalance = balanceOf(address(this));
bool canSwap = contractTokenBalance >= swapTokensAtAmount;
if (canSwap && !swapping && to == uniswapV2Pair && swapEnabled) {
swapping = true;
swapAndSendMarketing(contractTokenBalance);
swapping = false;
}
uint256 _totalFees;
if (_isExcludedFromFees[from] || _isExcludedFromFees[to] || swapping) {
_totalFees = 0;
} else if (from == uniswapV2Pair) {
_totalFees = marketingFeeOnBuy;
} else if (to == uniswapV2Pair) {
_totalFees = marketingFeeOnSell;
} else {
_totalFees = marketingFeeOnTransfer;
}
if (_totalFees > 0) {
uint256 fees = (amount * _totalFees) / 100;
amount = amount - fees;
super._transfer(from, address(this), fees);
}
super._transfer(from, to, amount);
}
function setSwapEnabled(bool _enabled) external onlyOwner {
require(swapEnabled != _enabled, "swapEnabled already at this state.");
swapEnabled = _enabled;
}
function setSwapTokensAtAmount(uint256 newAmount) external onlyOwner {
require(
newAmount > totalSupply() / 10_000,
"SwapTokensAtAmount must be greater than 0.01% of total supply"
);
swapTokensAtAmount = newAmount;
emit SwapTokensAtAmountUpdated(swapTokensAtAmount);
}
function swapAndSendMarketing(uint256 tokenAmount) private {
uint256 initialBalance = address(this).balance;
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
uint256 newBalance = address(this).balance - initialBalance;
payable(marketingWallet).sendValue(newBalance);
emit SwapAndSendMarketing(tokenAmount, newBalance);
}
function swapTaxesToMarketing() external {
uint256 tokenBalance = balanceOf(address(this));
if (tokenBalance > swapTokensAtAmount) {
swapAndSendMarketing(tokenBalance);
}
}
}