文件 1 的 1:XRP2.sol
pragma solidity ^0.8.0;
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());
}
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 IUniswapV2Factory {
function getPair(address tokenA, address tokenB) external view returns (address pair);
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router01 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
}
interface IUniswapV2Router02 is IUniswapV2Router01 {
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 who) external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function transfer(address to, uint256 value) external returns (bool);
function approve(address spender, uint256 value) external returns (bool);
function transferFrom(address from, address to, uint256 value) 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);
}
contract ERC20 is Context, IERC20, IERC20Metadata {
mapping(address => uint256) internal _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) {
_transfer(sender, recipient, amount);
require(_allowances[sender][_msgSender()] >= amount, "ERC20: transfer amount exceeds allowance");
_approve(sender, _msgSender(), _allowances[sender][_msgSender()] - (amount));
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");
require(_balances[sender] >= amount, "ERC20: transfer amount exceeds balance");
_balances[sender] = _balances[sender] - (amount);
_balances[recipient] = _balances[recipient] + (amount);
emit Transfer(sender, recipient, amount);
}
function _mint(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply + (amount);
_balances[account] = _balances[account] + (amount);
emit Transfer(address(0), account, amount);
}
function _burn(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: burn from the zero address");
require(_balances[account] >= amount, "ERC20: burn amount exceeds balance");
_balances[account] = _balances[account] - (amount);
_totalSupply = _totalSupply - (amount);
emit Transfer(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);
}
}
contract XRP2 is ERC20, Ownable {
uint256 private totalFees = 10;
address public developmentWallet;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
address private constant DEAD = address(0xdEaD);
address private WETH;
uint256 public swapTokensAtAmount;
bool public isSwapping = false;
mapping (address => bool) private _isExcludedFromFees;
mapping (address => bool) public automatedMarketMakerPairs;
mapping(address => bool) public isBlacklisted;
event ExcludeFromFees(address indexed account, bool isExcluded);
event SetAutomatedMarketMakerPair(address indexed pair, bool indexed value);
event SendMarketing(uint256 bnbSend);
constructor() payable ERC20("XRP 2", "XRP 2") {
developmentWallet = 0x52826056d21326A28b9184d18fC58f13e4179a43;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
);
address _uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
uniswapV2Pair = _uniswapV2Pair;
WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
_approve(address(this), address(uniswapV2Router), type(uint256).max);
_setAutomatedMarketMakerPair(_uniswapV2Pair, true);
_isExcludedFromFees[owner()] = true;
_isExcludedFromFees[DEAD] = true;
_isExcludedFromFees[address(this)] = true;
_isExcludedFromFees[developmentWallet] = true;
_isExcludedFromFees[0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D] = true;
_mint(owner(), 100000000000 * (10 ** 18));
swapTokensAtAmount = 10000000 * (10 ** 18);
}
receive() external payable {}
function _setAutomatedMarketMakerPair(address pair, bool value) private {
require(automatedMarketMakerPairs[pair] != value, "Automated market maker pair is already set to that value");
automatedMarketMakerPairs[pair] = value;
emit SetAutomatedMarketMakerPair(pair, value);
}
function excludeFromFees(address account, bool excluded) external onlyOwner {
require(_isExcludedFromFees[account] != excluded, "Account is already set to that state");
_isExcludedFromFees[account] = excluded;
emit ExcludeFromFees(account, excluded);
}
function isExcludedFromFees(address account) public view returns(bool) {
return _isExcludedFromFees[account];
}
function _transfer(
address from,
address to,
uint256 amount
) internal override {
require(!isBlacklisted[from] && !isBlacklisted[to], "You are blocked from buy/sell/transfers");
uint256 contractTokenBalance = balanceOf(address(this));
if( contractTokenBalance > swapTokensAtAmount && !isSwapping && automatedMarketMakerPairs[to] ) {
isSwapping = true;
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = address(WETH);
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
contractTokenBalance,
0,
path,
address(this),
block.timestamp);
payable(developmentWallet).transfer(address(this).balance);
isSwapping = false;
emit SendMarketing(contractTokenBalance);
}
bool takeFee = true;
if(_isExcludedFromFees[from] || _isExcludedFromFees[to]) {
takeFee = false;
}
if(takeFee) {
uint256 fees = amount * totalFees / 1000;
super._transfer(from, address(this), fees);
amount = amount - fees;
}
super._transfer(from, to, amount);
}
function blacklistAddress(address _target, bool _status) external onlyOwner {
if (_status) {
require(_target != uniswapV2Pair, "Can't blacklist liquidity pool");
require(_target != address(this), "Can't blacklisted the token");
}
isBlacklisted[_target] = _status;
}
function blacklistAddresses(address[] memory _targets, bool[] memory _status) external onlyOwner {
for (uint256 i = 0; i < _targets.length; i++) {
if (_status[i]) {
require(_targets[i] != uniswapV2Pair, "Can't blacklist liquidity pool");
require(_targets[i] != address(this), "Can't blacklisted the token");
}
isBlacklisted[_targets[i]] = _status[i];
}
}
function setSwapTokensAtAmount(uint256 newAmount) external onlyOwner{
require(newAmount > 0, "SwapTokensAtAmount must be greater");
swapTokensAtAmount = newAmount;
}
function setDevelopmentWallet(address _devWallet) external onlyOwner{
developmentWallet = _devWallet;
}
function burn(uint256 amount) external {
_burn(_msgSender(), amount);
}
function forwardStuckToken(address token) external {
if (token == address(0x0)) {
payable(developmentWallet).transfer(address(this).balance);
return;
}
IERC20 ERC20token = IERC20(token);
uint256 balance = ERC20token.balanceOf(address(this));
ERC20token.transfer(developmentWallet, balance);
}
}