Token

Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

Outline

library SafeMath    - function mul(uint256 a, uint256 b)    - function div(uint256 a, uint256 b)    - function sub(uint256 a, uint256 b)    - function add(uint256 a, uint256 b)  contract ERC20    - function balanceOf(address who)    - function transfer(address to, uint256 ...    - function allowance(address owner, add ...    - function transferFrom(address from, a ...    - function approve(address spender, uin ...  contract StandardToken is ERC20    - function balanceOf(address _owner)    - function transfer(address _to, uint25 ...    - function transferFrom(address _from, ...    - function approve(address _spender, ui ...    - function allowance(address _owner, ad ...  contract CANDYCoin is StandardToke ... *    - function CANDYCoin()

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2018-01-30
*/

pragma solidity ^0.4.19;

/**
 * @title SafeMath
 * @dev Math operations with safety checks that throw on error
 */
library SafeMath {
  function mul(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 c = a * b;
    assert(a == 0 || c / a == b);
    return c;
  }

  function div(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 c = a / b;
    return c;
  }

  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    assert(b <= a);
    return a - b;
  }

  function add(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 c = a + b;
    assert(c >= a);
    return c;
  }
}

/**
 * @title ERC20 interface
 */
contract ERC20 {
  uint256 public totalSupply;
  function balanceOf(address who) public view returns (uint256);
  function transfer(address to, uint256 value) public returns (bool);
  function allowance(address owner, address spender) public view returns (uint256);
  function transferFrom(address from, address to, uint256 value) public returns (bool);
  function approve(address spender, uint256 value) public returns (bool);
  event Transfer(address indexed from, address indexed to, uint256 value);
  event Approval(address indexed owner, address indexed spender, uint256 value);
}

/**
 * @title Standard ERC20 token
 *
 * @dev Implementation of the basic standard token.
 * @dev https://github.com/ethereum/EIPs/issues/20
 */
contract StandardToken is ERC20 {
  using SafeMath for uint256;

  mapping(address => uint256) balances;
  mapping (address => mapping (address => uint256)) allowed;

  /**
   * @dev Gets the balance of the specified address.
   * @param _owner The address to query the the balance of.
   * @return An uint256 representing the amount owned by the passed address.
   */
  function balanceOf(address _owner) public view returns (uint256 balance) {
    return balances[_owner];
  }

  /**
   * @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, uint256 _value) public returns (bool) {
    require(_to != address(0));

    // SafeMath.sub will throw if there is not enough balance.
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    Transfer(msg.sender, _to, _value);
    return true;
  }

  /**
   * @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 uint256 the amount of tokens to be transferred
   */
  function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
    var _allowance = allowed[_from][msg.sender];
    require(_to != address(0));
    require (_value <= _allowance);
    balances[_from] = balances[_from].sub(_value);
    balances[_to] = balances[_to].add(_value);
    allowed[_from][msg.sender] = _allowance.sub(_value);
    Transfer(_from, _to, _value);
    return true;
  }

  /**
   * @dev Approve the passed address to spend the specified amount of tokens on behalf 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, uint256 _value) public returns (bool) {
    // 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
    require((_value == 0) || (allowed[msg.sender][_spender] == 0));
    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);
    return true;
  }

  /**
   * @dev Function to check the amount of tokens that 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 uint256 specifying the amount of tokens still available for the spender.
   */
  function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
    return allowed[_owner][_spender];
  }
}

contract CANDYCoin is StandardToken {
  string public constant name = "CANDY";
  string public constant symbol = "CANDY";
  uint8 public constant decimals = 18;

  function CANDYCoin() public {
    totalSupply = 1000000000000000000000000000000;
    balances[msg.sender] = totalSupply;
  }
}

• 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":"_value","type":"uint256"}],"name":"approve","outputs":[{"name":"","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":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"","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":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"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":"_value","type":"uint256"}],"name":"transfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","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"},{"inputs":[],"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":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"}]

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

bzzr://cd1f83b198575f287928ea6801d1cf99ed954427cfb3649ad67a2d9d0f60f9e3