Token

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

 contract Owned    - function Owned()    - function transferOwnership(address _n ...    - function acceptOwnership() library SafeMath    - function add(uint a, uint b)    - function sub(uint a, uint b)    - function mul(uint a, uint b)    - function div(uint a, uint b)  contract ERC20Interface    - function totalSupply()    - function balanceOf(address tokenOwner ...    - function allowance(address tokenOwner ...    - function transfer(address to, uint to ...    - function approve(address spender, uin ...    - function transferFrom(address from, a ...  contract ApproveAndCallFallBack    - function receiveApproval(address from ...  contract MJOYToken is ERC20Interfa ... *    - function MJOYToken()    - function totalSupply()    - function balanceOf(address tokenOwner ...    - function transfer(address to, uint to ...    - function approve(address spender, uin ...    - function transferFrom(address from, a ...    - function allowance(address tokenOwner ...    - function approveAndCall(address spend ...    - function()    - function transferAnyERC20Token(addres ...

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2018-08-06
*/

pragma solidity ^0.4.18;


contract Owned {
    address public owner;
    address public newOwner;
    event OwnershipTransferred(address indexed _from, address indexed _to);

    function Owned() public {
        owner = msg.sender;
    }

 
    modifier onlyOwner {
        require(msg.sender == owner);
        _;
    }


    function transferOwnership(address _newOwner) public onlyOwner {
        newOwner = _newOwner;
    }


    function acceptOwnership() public {
        require(msg.sender == newOwner);
        emit OwnershipTransferred(owner, newOwner);
        owner = newOwner;
        newOwner = address(0);
    }
}

library SafeMath {
    function add(uint a, uint b) internal pure returns (uint c) {
        c = a + b;
        require(c >= a);
    }
    function sub(uint a, uint b) internal pure returns (uint c) {
        require(b <= a);
        c = a - b;
    }
    function mul(uint a, uint b) internal pure returns (uint c) {
        c = a * b;
        require(a == 0 || c / a == b);
    }
    function div(uint a, uint b) internal pure returns (uint c) {
        require(b > 0);
        c = a / b;
    }
}

// ----------------------------------------------------------------------------
// ERC Token Standard #20 Interface
// https://github.com/ethereum/EIPs/blob/master/EIPS/eip-20-token-standard.md
// ----------------------------------------------------------------------------
contract ERC20Interface {
    function totalSupply() public constant returns (uint);
    function balanceOf(address tokenOwner) public constant returns (uint balance);
    function allowance(address tokenOwner, address spender) public constant returns (uint remaining);
    function transfer(address to, uint tokens) public returns (bool success);
    function approve(address spender, uint tokens) public returns (bool success);
    function transferFrom(address from, address to, uint tokens) public returns (bool success);

    event Transfer(address indexed from, address indexed to, uint tokens);
    event Approval(address indexed tokenOwner, address indexed spender, uint tokens);
}



contract ApproveAndCallFallBack {
    function receiveApproval(address from, uint256 tokens, address token, bytes data) public;
}




contract MJOYToken is ERC20Interface, Owned {


    string  public  symbol;
    string  public  name;
    uint8 public decimals;
    uint  _totalSupply;
    mapping(address => uint) balances;
    mapping(address => mapping(address => uint)) allowed;
    using SafeMath for uint;
    function MJOYToken() public {
        symbol = "JOY";
        name = "MJOY TOKEN";
        decimals = 18;
        _totalSupply = 1 * (10 ** 9) * (10 ** uint(decimals));
        balances[owner] = 6 * (10 ** 8) * (10 ** uint(decimals));
        emit Transfer(address(0), owner, _totalSupply);
    }
    
    function totalSupply() public constant returns (uint) {
        return _totalSupply - balances[address(0)];
    }
   
    function balanceOf(address tokenOwner) public constant returns (uint balance) {
        return balances[tokenOwner];
    }

    function transfer(address to, uint tokens) public returns (bool success) {
        balances[msg.sender] = balances[msg.sender].sub(tokens);
        balances[to] = balances[to].add(tokens);
        emit Transfer(msg.sender, to, tokens);
        return true;
    }
  
    function approve(address spender, uint tokens) public returns (bool success) {
        allowed[msg.sender][spender] = tokens;
        emit Approval(msg.sender, spender, tokens);
        return true;
    }
   
    function transferFrom(address from, address to, uint tokens) public returns (bool success) {
        balances[from] = balances[from].sub(tokens);
        allowed[from][msg.sender] = allowed[from][msg.sender].sub(tokens);
        balances[to] = balances[to].add(tokens);
        emit Transfer(from, to, tokens);
        return true;
    }
 
    function allowance(address tokenOwner, address spender) public constant returns (uint remaining) {
        return allowed[tokenOwner][spender];
    }
  
    function approveAndCall(address spender, uint tokens, bytes data) public returns (bool success) {
        allowed[msg.sender][spender] = tokens;
        emit Approval(msg.sender, spender, tokens);
        ApproveAndCallFallBack(spender).receiveApproval(msg.sender, tokens, this, data);
        return true;
    }
    
    function() public payable {
        revert();
    }
  
    function transferAnyERC20Token(address tokenAddress, uint tokens) public onlyOwner returns (bool success) {
        return ERC20Interface(tokenAddress).transfer(owner, tokens);
    }

}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"tokens","type":"uint256"}],"name":"approve","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"from","type":"address"},{"name":"to","type":"address"},{"name":"tokens","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"tokenOwner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"acceptOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"to","type":"address"},{"name":"tokens","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"spender","type":"address"},{"name":"tokens","type":"uint256"},{"name":"data","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"newOwner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"tokenAddress","type":"address"},{"name":"tokens","type":"uint256"}],"name":"transferAnyERC20Token","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"tokenOwner","type":"address"},{"name":"spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_from","type":"address"},{"indexed":true,"name":"_to","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"tokens","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"tokenOwner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"tokens","type":"uint256"}],"name":"Approval","type":"event"}]

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

bzzr://8fa6f1b915361337d964da75ceb5eacbfbc70bd3c313710fe705d7efc2064266