Token

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

 contract ERC20Basic    - function balanceOf(address who)    - function transfer(address to, uint va ...  contract ERC20 is ERC20Basic    - function allowance(address owner, add ...    - function transferFrom(address from, a ...    - function approve(address spender, uin ... library SafeMath    - function mul(uint a, uint b)    - function div(uint a, uint b)    - function sub(uint a, uint b)    - function add(uint a, uint b)    - function max64(uint64 a, uint64 b)    - function min64(uint64 a, uint64 b)    - function max256(uint256 a, uint256 b)    - function min256(uint256 a, uint256 b)    - function assert(bool assertion)  contract BasicToken is ERC20Basic    - function transfer(address _to, uint _ ...    - function balanceOf(address _owner)  contract StandardToken is BasicTok ...    - function transferFrom(address _from, ...    - function approve(address _spender, ui ...    - function allowance(address _owner, ad ...  contract BunToken is StandardToken *    - function BunToken(address _target)    - function ()    - function withdrawOtherERC20Balance(ui ...

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2018-03-06
*/

pragma solidity ^0.4.18;


/**
 * @title ERC20Basic
 * @dev Simpler version of ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20Basic {
  uint public totalSupply;
  function balanceOf(address who) constant returns (uint);
  function transfer(address to, uint value);
  event Transfer(address indexed from, address indexed to, uint value);
}

/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20 is ERC20Basic {
  bool public isERC20 = true;

  function allowance(address owner, address spender) constant returns (uint);
  function transferFrom(address from, address to, uint value);
  function approve(address spender, uint value);
  event Approval(address indexed owner, address indexed spender, uint value);
}



/**
 * Math operations with safety checks
 */
library SafeMath {
  function mul(uint a, uint b) internal returns (uint) {
    uint c = a * b;
    assert(a == 0 || c / a == b);
    return c;
  }

  function div(uint a, uint b) internal returns (uint) {
    // assert(b > 0); // Solidity automatically throws when dividing by 0
    uint c = a / b;
    // assert(a == b * c + a % b); // There is no case in which this doesn't hold
    return c;
  }

  function sub(uint a, uint b) internal returns (uint) {
    assert(b <= a);
    return a - b;
  }

  function add(uint a, uint b) internal returns (uint) {
    uint c = a + b;
    assert(c >= a);
    return c;
  }

  function max64(uint64 a, uint64 b) internal constant returns (uint64) {
    return a >= b ? a : b;
  }

  function min64(uint64 a, uint64 b) internal constant returns (uint64) {
    return a < b ? a : b;
  }

  function max256(uint256 a, uint256 b) internal constant returns (uint256) {
    return a >= b ? a : b;
  }

  function min256(uint256 a, uint256 b) internal constant returns (uint256) {
    return a < b ? a : b;
  }

  function assert(bool assertion) internal {
    if (!assertion) {
      throw;
    }
  }
}


/**
 * @title Basic token
 * @dev Basic version of StandardToken, with no allowances. 
 */
contract BasicToken is ERC20Basic {
  using SafeMath for uint;

  mapping(address => uint) balances;

  /**
   * @dev Fix for the ERC20 short address attack.
   */
  modifier onlyPayloadSize(uint size) {
     if(msg.data.length < size + 4) {
       throw;
     }
     _;
  }

  /**
  * @dev transfer token for a specified address
  * @param _to The address to transfer to.
  * @param _value The amount to be transferred.
  */
  function transfer(address _to, uint _value) onlyPayloadSize(2 * 32) {
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    Transfer(msg.sender, _to, _value);
  }

  /**
  * @dev Gets the balance of the specified address.
  * @param _owner The address to query the the balance of. 
  * @return An uint representing the amount owned by the passed address.
  */
  function balanceOf(address _owner) constant returns (uint balance) {
    return balances[_owner];
  }

}


/**
 * @title Standard ERC20 token
 *
 * @dev Implemantation of the basic standart token.
 * @dev https://github.com/ethereum/EIPs/issues/20
 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
 */
contract StandardToken is BasicToken, ERC20 {

  mapping (address => mapping (address => uint)) allowed;


  /**
   * @dev Transfer tokens from one address to another
   * @param _from address The address which you want to send tokens from
   * @param _to address The address which you want to transfer to
   * @param _value uint the amout of tokens to be transfered
   */
  function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) {
    var _allowance = allowed[_from][msg.sender];

    // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
    // if (_value > _allowance) throw;

    balances[_to] = balances[_to].add(_value);
    balances[_from] = balances[_from].sub(_value);
    allowed[_from][msg.sender] = _allowance.sub(_value);
    Transfer(_from, _to, _value);
  }

  /**
   * @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender.
   * @param _spender The address which will spend the funds.
   * @param _value The amount of tokens to be spent.
   */
  function approve(address _spender, uint _value) {

    // To change the approve amount you first have to reduce the addresses`
    //  allowance to zero by calling `approve(_spender, 0)` if it is not
    //  already 0 to mitigate the race condition described here:
    //  https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
    if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) throw;

    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);
  }

  /**
   * @dev Function to check the amount of tokens than an owner allowed to a spender.
   * @param _owner address The address which owns the funds.
   * @param _spender address The address which will spend the funds.
   * @return A uint specifing the amount of tokens still avaible for the spender.
   */
  function allowance(address _owner, address _spender) constant returns (uint remaining) {
    return allowed[_owner][_spender];
  }

}



contract BunToken is StandardToken {
    string public constant NAME = "BunToken";
    string public constant SYMBOL = "BUN";
    uint public constant DECIMALS = 18;

  

    /// This is where we hold ETH during this token sale. We will not transfer any Ether
    /// out of this address before we invocate the `close` function to finalize the sale. 
    /// This promise is not guanranteed by smart contract by can be verified with public
    /// Ethereum transactions data available on several blockchain browsers.
    /// This is the only address from which `start` and `close` can be invocated.
    ///
    /// Note: this will be initialized during the contract deployment.
    address public target;

    /*
     * MODIFIERS
     */

    modifier onlyOwner {
        if (target == msg.sender) {
            _;
        } else {
           // InvalidCaller(msg.sender);
            throw;
        }
    }


    /**
     * CONSTRUCTOR 
     * 
     * @dev Initialize the BUN Token
     * @param _target The escrow account address, all ethers will
     * be sent to this address.
     * This address will be : 0x04485eb766dd6c9409503dd8f91186340c0526ba
     *
     * Pre-sale of BUN will coming soon.
     *
     */
    function BunToken(address _target) {
        target = _target;
        totalSupply = 10 ** 28;
        balances[target] = totalSupply;
    }

  

    /// sending ether to this smart contract to fund Bun studio.
    function () payable {
       //Thank for your donation
       target.send(msg.value);
    }
    
    // withdraw Other ERC20
    function withdrawOtherERC20Balance(uint256 amount, address _address) external onlyOwner {
    		require(_address != address(this));
        BasicToken candidateContract = BasicToken(_address);
        uint256 realTotal = candidateContract.balanceOf(this);
        require( realTotal >= amount );
        candidateContract.transfer(target, amount);
    }

   

}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[],"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":"_value","type":"uint256"}],"name":"transferFrom","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"DECIMALS","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"isERC20","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":"NAME","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"amount","type":"uint256"},{"name":"_address","type":"address"}],"name":"withdrawOtherERC20Balance","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"target","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"SYMBOL","outputs":[{"name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_target","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"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"}]

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

00000000000000000000000004485eb766dd6c9409503dd8f91186340c0526ba

-----Decoded View---------------
Arg [0] : _target (address): 0x04485Eb766DD6C9409503DD8F91186340c0526bA

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000004485eb766dd6c9409503dd8f91186340c0526ba

bzzr://ce875371afba6f1411b6707136efd08bb576fd9877b2e513fe696b60fab8824e