Contract

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

•  contract ERC223Ownable
•    - function ERC223Ownable()
•    - function transferOwnership(address ne ...
•  contract ContractReceiver
•    - function tokenFallback(address _from, ...
•  contract ERC223
•    - function balanceOf(address who)
•    - function transfer(address to, uint va ...
•    - function transfer(address to, uint va ...
•    - function transfer(address to, uint va ...
•  contract SafeMath
•    - function safeAdd(uint256 x, uint256 y ...
•    - function safeSub(uint256 x, uint256 y ...
•    - function safeMul(uint256 x, uint256 y ...
•  contract ERC223Token is ERC223, Sa ...
•    - function transfer(address _to, uint _ ...
•    - function transfer(address _to, uint _ ...
•    - function transfer(address _to, uint _ ...
•    - function isContract(address _addr)
•    - function transferToAddress(address _t ...
•    - function transferToContract(address _ ...
•    - function balanceOf(address _owner)
•  contract ERC223StandardToken is ER ... *
•    - function ERC223StandardToken(address ...
•    - function mint(uint256 amount)
•    - function burn(uint256 _value)

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2019-03-01
*/

pragma solidity ^0.4.24;
//ERC223
contract ERC223Ownable {
    address public owner;

    function ERC223Ownable() public{
        owner = msg.sender;
    }

    modifier onlyOwner {
        require(msg.sender == owner);
        _;
    }
    function transferOwnership(address newOwner) onlyOwner public{
        if (newOwner != address(0)) {
            owner = newOwner;
        }
    }
}

contract ContractReceiver {
     
    struct TKN {
        address sender;
        uint value;
        bytes data;
        bytes4 sig;
    }
    
    function tokenFallback(address _from, uint _value, bytes _data) public pure {
      TKN memory tkn;
      tkn.sender = _from;
      tkn.value = _value;
      tkn.data = _data;
      uint32 u = uint32(_data[3]) + (uint32(_data[2]) << 8) + (uint32(_data[1]) << 16) + (uint32(_data[0]) << 24);
      tkn.sig = bytes4(u);
      
      /* tkn variable is analogue of msg variable of Ether transaction
      *  tkn.sender is person who initiated this token transaction   (analogue of msg.sender)
      *  tkn.value the number of tokens that were sent   (analogue of msg.value)
      *  tkn.data is data of token transaction   (analogue of msg.data)
      *  tkn.sig is 4 bytes signature of function
      *  if data of token transaction is a function execution
      */
    }
}

contract ERC223 {
  uint public totalSupply;
  function balanceOf(address who) public view returns (uint);

  function transfer(address to, uint value) public returns (bool ok);
  function transfer(address to, uint value, bytes data) public returns (bool ok);
  function transfer(address to, uint value, bytes data, string custom_fallback) public returns (bool ok);

  event Transfer(address indexed from, address indexed to, uint value);
  event Transfer(address indexed from, address indexed to, uint value, bytes data);
}

contract SafeMath {
    uint256 constant public MAX_UINT256 =
    0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF;

    function safeAdd(uint256 x, uint256 y) pure internal returns (uint256 z) {
        if (x > MAX_UINT256 - y) revert();
        return x + y;
    }

    function safeSub(uint256 x, uint256 y) pure internal returns (uint256 z) {
        if (x < y) revert();
        return x - y;
    }

    function safeMul(uint256 x, uint256 y) pure internal returns (uint256 z) {
        if (y == 0) return 0;
        if (x > MAX_UINT256 / y) revert();
        return x * y;
    }
}

contract ERC223Token is ERC223, SafeMath {

  mapping(address => uint) balances;

  string public name;
  string public symbol;
  uint256 public decimals;
  uint256 public totalSupply;
  bool public mintable;



  function transfer(address _to, uint _value, bytes _data, string _custom_fallback) public returns (bool success) {

    if(isContract(_to)) {
        if (balanceOf(msg.sender) < _value) revert();
        balances[msg.sender] = safeSub(balanceOf(msg.sender), _value);
        balances[_to] = safeAdd(balanceOf(_to), _value);
        assert(_to.call.value(0)(bytes4(keccak256(_custom_fallback)), msg.sender, _value, _data));
        emit Transfer(msg.sender, _to, _value);
        emit Transfer(msg.sender, _to, _value, _data);
        return true;
    }
    else {
        return transferToAddress(_to, _value, _data);
    }
}


function transfer(address _to, uint _value, bytes _data) public returns (bool success) {

    if(isContract(_to)) {
        return transferToContract(_to, _value, _data);
    }
    else {
        return transferToAddress(_to, _value, _data);
    }
}

  function transfer(address _to, uint _value) public returns (bool success) {

    //standard function transfer similar to ERC20 transfer with no _data
    //added due to backwards compatibility reasons
    bytes memory empty;
    if(isContract(_to)) {
        return transferToContract(_to, _value, empty);
    }
    else {
        return transferToAddress(_to, _value, empty);
    }
}

  function isContract(address _addr) private view returns (bool is_contract) {
      uint length;
      assembly {
            //retrieve the size of the code on target address, this needs assembly
            length := extcodesize(_addr)
      }
      return (length>0);
    }

  function transferToAddress(address _to, uint _value, bytes _data) private returns (bool success) {
    if (balanceOf(msg.sender) < _value) revert();
    balances[msg.sender] = safeSub(balanceOf(msg.sender), _value);
    balances[_to] = safeAdd(balanceOf(_to), _value);
    emit Transfer(msg.sender, _to, _value);
    emit Transfer(msg.sender, _to, _value, _data);
    return true;
  }

  function transferToContract(address _to, uint _value, bytes _data) private returns (bool success) {
    if (balanceOf(msg.sender) < _value) revert();
    balances[msg.sender] = safeSub(balanceOf(msg.sender), _value);
    balances[_to] = safeAdd(balanceOf(_to), _value);
    ContractReceiver receiver = ContractReceiver(_to);
    receiver.tokenFallback(msg.sender, _value, _data);
    emit Transfer(msg.sender, _to, _value);
    emit Transfer(msg.sender, _to, _value, _data);
    return true;
}


  function balanceOf(address _owner) public view returns (uint balance) {
    return balances[_owner];
  }
}

contract ERC223StandardToken is ERC223Token,ERC223Ownable {
    
    function ERC223StandardToken(address _owner, string _name, string _symbol, uint256 _decimals, uint256 _totalSupply, bool _mintable) public {
        
        require(_owner != address(0));
        owner = _owner;
		decimals = _decimals;
		symbol = _symbol;
		name = _name;
		mintable = _mintable;
        totalSupply = _totalSupply;
        balances[_owner] = totalSupply;
        emit Transfer(address(0), _owner, totalSupply);
        emit Transfer(address(0), _owner, totalSupply, "");
    }
  
    function mint(uint256 amount) onlyOwner public {
		require(mintable);
		require(amount >= 0);
		balances[msg.sender] += amount;
		totalSupply += amount;
	}

    function burn(uint256 _value) onlyOwner public returns (bool) {
        require(balances[msg.sender] >= _value  && totalSupply >=_value && _value > 0);
        balances[msg.sender] -= _value;
        totalSupply -= _value;
        emit Transfer(msg.sender, 0x0, _value);
        return true;
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"MAX_UINT256","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_value","type":"uint256"}],"name":"burn","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"mintable","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"stateMutability":"view","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":"amount","type":"uint256"}],"name":"mint","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"},{"name":"_data","type":"bytes"},{"name":"_custom_fallback","type":"string"}],"name":"transfer","outputs":[{"name":"success","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_owner","type":"address"},{"name":"_name","type":"string"},{"name":"_symbol","type":"string"},{"name":"_decimals","type":"uint256"},{"name":"_totalSupply","type":"uint256"},{"name":"_mintable","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"},{"indexed":false,"name":"data","type":"bytes"}],"name":"Transfer","type":"event"}]

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

bzzr://a6a101b23735e514ffbac465ccf727368f0b1f580440b631127f5b7dfa8adb95