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)    - function mod(uint256 a, uint256 b)    - function totalSupply()    - function balanceOf(address who)    - function allowance(address owner, add ...    - function transfer(address to, uint256 ...    - function approve(address spender, uin ...    - function transferFrom(address from, a ...  contract ERC20 is IERC20 *    - function name()    - function symbol()    - function decimals()    - function totalSupply()    - function balanceOf(address owner)    - function allowance(    - function transfer(address to, uint256 ...    - function approve(address spender, uin ...    - function transferFrom(    - function increaseAllowance(    - function decreaseAllowance(    - function _transfer(address from, addr ...

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2018-10-30
*/

pragma solidity ^0.4.24;

/**
 * @title SafeMath
 * @dev Math operations with safety checks that revert on error
 */
library SafeMath {

  /**
  * @dev Multiplies two numbers, reverts on overflow.
  */
  function mul(uint256 a, uint256 b) internal pure returns (uint256) {
    // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
    // benefit is lost if 'b' is also tested.
    // See: https://github.com/OpenZeppelin/openzeppelin-solidity/pull/522
    if (a == 0) {
      return 0;
    }

    uint256 c = a * b;
    require(c / a == b);

    return c;
  }

  /**
  * @dev Integer division of two numbers truncating the quotient, reverts on division by zero.
  */
  function div(uint256 a, uint256 b) internal pure returns (uint256) {
    require(b > 0); // Solidity only automatically asserts when dividing by 0
    uint256 c = a / b;
    // assert(a == b * c + a % b); // There is no case in which this doesn't hold

    return c;
  }

  /**
  * @dev Subtracts two numbers, reverts on overflow (i.e. if subtrahend is greater than minuend).
  */
  function sub(uint256 a, uint256 b) internal pure returns (uint256) {
    require(b <= a);
    uint256 c = a - b;

    return c;
  }

  /**
  * @dev Adds two numbers, reverts on overflow.
  */
  function add(uint256 a, uint256 b) internal pure returns (uint256) {
    uint256 c = a + b;
    require(c >= a);

    return c;
  }

  /**
  * @dev Divides two numbers and returns the remainder (unsigned integer modulo),
  * reverts when dividing by zero.
  */
  function mod(uint256 a, uint256 b) internal pure returns (uint256) {
    require(b != 0);
    return a % b;
  }
}

/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
 interface IERC20 {
   function totalSupply() external view returns (uint256);

   function balanceOf(address who) external view returns (uint256);

   function allowance(address owner, address spender)
     external view returns (uint256);

   function transfer(address to, uint256 value) external returns (bool);

   function approve(address spender, uint256 value)
     external returns (bool);

   function transferFrom(address from, address to, uint256 value)
     external returns (bool);

   event Transfer(
     address indexed from,
     address indexed to,
     uint256 value
   );

   event Approval(
     address indexed owner,
     address indexed spender,
     uint256 value
   );
 }

contract ERC20 is IERC20 {
  using SafeMath for uint256;

  mapping (address => uint256) private _balances;

  mapping (address => mapping (address => uint256)) private _allowed;

  uint256 private _totalSupply;
  string private _name;
  string private _symbol;
  uint8 private _decimals;

  constructor(string name, string symbol, uint8 decimals, uint256 totalSupply) public {
    _name = name;
    _symbol = symbol;
    _decimals = decimals;
    _totalSupply = totalSupply;
    _balances[msg.sender] = _balances[msg.sender].add(_totalSupply);
    emit Transfer(address(0), msg.sender, totalSupply);
  }

  /**
   * @return the name of the token.
   */
  function name() public view returns(string) {
    return _name;
  }

  /**
   * @return the symbol of the token.
   */
  function symbol() public view returns(string) {
    return _symbol;
  }

  /**
   * @return the number of decimals of the token.
   */
  function decimals() public view returns(uint8) {
    return _decimals;
  }

  /**
  * @dev Total number of tokens in existence
  */
  function totalSupply() public view returns (uint256) {
    return _totalSupply;
  }

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

  /**
   * @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)
  {
    return _allowed[owner][spender];
  }

  /**
  * @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) {
    _transfer(msg.sender, to, value);
    return true;
  }

  /**
   * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
   * Beware that changing an allowance with this method brings the risk that someone may use both the old
   * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
   * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
   * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
   * @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) {
    require(spender != address(0));

    _allowed[msg.sender][spender] = value;
    emit Approval(msg.sender, spender, 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)
  {
    require(value <= _allowed[from][msg.sender]);

    _allowed[from][msg.sender] = _allowed[from][msg.sender].sub(value);
    _transfer(from, to, value);
    return true;
  }

  /**
   * @dev Increase the amount of tokens that an owner allowed to a spender.
   * approve should be called when allowed_[_spender] == 0. To increment
   * allowed value is better to use this function to avoid 2 calls (and wait until
   * the first transaction is mined)
   * From MonolithDAO Token.sol
   * @param spender The address which will spend the funds.
   * @param addedValue The amount of tokens to increase the allowance by.
   */
  function increaseAllowance(
    address spender,
    uint256 addedValue
  )
    public
    returns (bool)
  {
    require(spender != address(0));

    _allowed[msg.sender][spender] = (
      _allowed[msg.sender][spender].add(addedValue));
    emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
    return true;
  }

  /**
   * @dev Decrease the amount of tokens that an owner allowed to a spender.
   * approve should be called when allowed_[_spender] == 0. To decrement
   * allowed value is better to use this function to avoid 2 calls (and wait until
   * the first transaction is mined)
   * From MonolithDAO Token.sol
   * @param spender The address which will spend the funds.
   * @param subtractedValue The amount of tokens to decrease the allowance by.
   */
  function decreaseAllowance(
    address spender,
    uint256 subtractedValue
  )
    public
    returns (bool)
  {
    require(spender != address(0));

    _allowed[msg.sender][spender] = (
      _allowed[msg.sender][spender].sub(subtractedValue));
    emit Approval(msg.sender, spender, _allowed[msg.sender][spender]);
    return true;
  }

  /**
  * @dev Transfer token for a specified addresses
  * @param from The address to transfer from.
  * @param to The address to transfer to.
  * @param value The amount to be transferred.
  */
  function _transfer(address from, address to, uint256 value) internal {
    require(value <= _balances[from]);
    require(to != address(0));

    _balances[from] = _balances[from].sub(value);
    _balances[to] = _balances[to].add(value);
    emit Transfer(from, to, value);
  }
}

• 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":false,"inputs":[{"name":"spender","type":"address"},{"name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[{"name":"owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"","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":"spender","type":"address"},{"name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","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":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"name","type":"string"},{"name":"symbol","type":"string"},{"name":"decimals","type":"uint8"},{"name":"totalSupply","type":"uint256"}],"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://de82b387a2cd6bcc9c242bfff297a12dfd981e0021459db1c6fd24ea41a21027