文件 1 的 1:AboveAll.sol
pragma solidity ^0.8.9;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
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;
}
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
constructor() {
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
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 createPair(
address tokenA,
address tokenB
) external returns (address pair);
}
interface IUniswapV2Router02 {
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);
}
contract AboveAll is Context, IERC20, Ownable {
using SafeMath for uint256;
uint256 private _buyTax = 0;
uint256 private _sellTax = 2;
uint8 private constant _decimals = 18;
uint256 private _tTotal = 146000000 * 10 ** _decimals;
uint256 public _maxTxAmount = 2920000 * 10 ** _decimals;
uint256 public _maxWalletSize = 2920000 * 10 ** _decimals;
string private constant _name = unicode"ABOVE ALL";
string private constant _symbol = unicode"ABOVE";
mapping(address => bool) private isRouterAddress;
mapping(address => bool) private isPairAddress;
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => bool) private _isExcludedFromFee;
address payable private _taxWallet =
payable(0x4AACAF8d63B20572bdd6FCE04FD485A44967b508);
bool private tradingOpen;
constructor(address _tWallet) {
_balances[_tWallet] = _tTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_taxWallet] = true;
emit Transfer(address(0), _tWallet, _tTotal);
}
event SetBuyTax(address sender, uint256 percentage);
event SetSellTax(address sender, uint256 percentage);
IUniswapV2Router02 uniswapV2Router =
IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
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 _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() && from != address(this)) {
if (
isPairAddress[from] &&
!isRouterAddress[to] &&
!_isExcludedFromFee[to]
) {
require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
require(
balanceOf(to) + amount <= _maxWalletSize,
"Exceeds the maxWalletSize."
);
taxAmount = amount.mul(_buyTax).div(100);
} else if (isPairAddress[to] && from != address(this)) {
require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
taxAmount = amount.mul(_sellTax).div(100);
if (taxAmount > 0) {
uint256 ethAmount = _convertTokensToEth(taxAmount);
(bool success, ) = _taxWallet.call{value: ethAmount}("");
require(success, "Transfer failed");
}
}
}
uint256 transferAmount = amount.sub(taxAmount);
_balances[from] = _balances[from].sub(amount);
_balances[to] = _balances[to].add(transferAmount);
emit Transfer(from, to, transferAmount);
}
function _convertTokensToEth(
uint256 tokenAmount
) private returns (uint256) {
_approve(address(this), address(uniswapV2Router), tokenAmount);
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
uint256 initialBalance = address(this).balance;
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0,
path,
address(this),
block.timestamp
);
uint256 newBalance = address(this).balance.sub(initialBalance);
return newBalance;
}
function removeAllFee() public onlyOwner {
_buyTax = 0;
_sellTax = 0;
}
function setBuyTax(uint256 _percentage) public onlyOwner {
require(_percentage > 0 && _percentage < 100);
_buyTax = _percentage;
emit SetBuyTax(msg.sender, _percentage);
}
function setSellTax(uint256 _percentage) public onlyOwner {
require(_percentage > 0 && _percentage < 100);
_sellTax = _percentage;
emit SetSellTax(msg.sender, _percentage);
}
function withdrawStuckETH() public onlyOwner {
(bool success, ) = address(msg.sender).call{
value: address(this).balance
}("");
require(success, "Withdraw Failed");
_transfer(address(this), msg.sender, balanceOf(address(this)));
}
function removeLimits() public onlyOwner {
_maxTxAmount = _tTotal;
_maxWalletSize = _tTotal;
}
function excludeFromFee(address _wallet) public onlyOwner {
_isExcludedFromFee[_wallet] = true;
}
function includeInFee(address _wallet) public onlyOwner {
_isExcludedFromFee[_wallet] = false;
}
function setTaxWallet(address payable _tWallet) public {
{
require(
_msgSender() == owner() || _msgSender() == _taxWallet,
"Not owner or tax wallet"
);
_isExcludedFromFee[_taxWallet] = false;
_taxWallet = _tWallet;
_isExcludedFromFee[_tWallet] = true;
}
}
function openTrading() public onlyOwner {
address uniswapV2Pair;
if (!tradingOpen) {
_approve(address(this), address(uniswapV2Router), _tTotal);
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory())
.createPair(address(this), uniswapV2Router.WETH());
}
uniswapV2Router.addLiquidityETH{value: address(this).balance}(
address(this),
balanceOf(address(this)),
0,
0,
owner(),
block.timestamp + 2 minutes
);
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
tradingOpen = true;
isRouterAddress[address(uniswapV2Router)] = true;
isPairAddress[uniswapV2Pair] = true;
}
function setRouterAddress(
address _router,
bool _isRouter
) public onlyOwner {
require(isRouterAddress[_router] != _isRouter, "already as it is");
isRouterAddress[_router] = _isRouter;
}
function setPairAddress(address _pair, bool _isPair) public onlyOwner {
require(isPairAddress[_pair] != _isPair, "already as it is");
isPairAddress[_pair] = _isPair;
}
function approve(
address spender,
uint256 amount
) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transfer(
address recipient,
uint256 amount
) public override returns (bool) {
_transfer(_msgSender(), recipient, 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 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 _balances[account];
}
function allowance(
address owner,
address spender
) public view override returns (uint256) {
return _allowances[owner][spender];
}
}