ETH Price: $3,353.27 (-1.05%)

Token

Star Bit Token (SBT)
 

Overview

Max Total Supply

100,000,000 SBT

Holders

31,428

Market

Onchain Market Cap

$0.00

Circulating Supply Market Cap

-

Other Info

Token Contract (WITH 18 Decimals)

Balance
2 SBT

Value
$0.00
0x4cc0bdfc9ef74e0e19c124caf4c675bb1f344839
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OVERVIEW

STAR BIT EX is the decentralized exchange based on 0x Protocol.

ICO Information

Project Sector : Decentralized Exchange
ICO Start Date : Aug 1, 2018
ICO End Date : Aug 31, 2018
Token Distribution Date : Sep 1, 2018

# Exchange Pair Price  24H Volume % Volume

Contract Source Code Verified (Exact Match)

Contract Name:
sbtToken

Compiler Version
v0.4.24+commit.e67f0147

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
/**
 *Submitted for verification at Etherscan.io on 2018-07-31
*/

pragma  solidity ^0.4.24;

/**
 * @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) {
    // assert(b > 0); // Solidity automatically throws 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;
  }

  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 ERC20Basic
 * @dev Simpler version of ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/179
 */
contract ERC20Basic {
  uint256 public totalSupply;
  function balanceOf(address who) public constant returns (uint256);
  function transfer(address to, uint256 value) public returns (bool);
  event Transfer(address indexed from, address indexed to, uint256 value);
}

/**
 * @title Basic token
 * @dev Basic version of StandardToken, with no allowances.
 */
contract BasicToken is ERC20Basic {
  using SafeMath for uint256;

  mapping(address => uint256) balances;

  /**
  * @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));
    require(_value <= balances[msg.sender]);

    // 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 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 constant returns (uint256 balance) {
    return balances[_owner];
  }

}

/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20 is ERC20Basic {
  function allowance(address owner, address spender) public constant returns (uint256);
  function transferFrom(address from, address to, uint256 value) public returns (bool);
  function approve(address spender, uint256 value) public returns (bool);
  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
 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
 */
contract StandardToken is ERC20, BasicToken {

  mapping (address => mapping (address => uint256)) internal 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 uint256 the amount of tokens to be transferred
   */
  function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
    require(_to != address(0));
    require(_value <= balances[_from]);
    require(_value <= allowed[_from][msg.sender]);

    balances[_from] = balances[_from].sub(_value);
    balances[_to] = balances[_to].add(_value);
    allowed[_from][msg.sender] = allowed[_from][msg.sender].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.
   *
   * 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) {
    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 constant returns (uint256 remaining) {
    return allowed[_owner][_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
   */
  function increaseApproval (address _spender, uint _addedValue) public returns (bool success) {
    allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

  function decreaseApproval (address _spender, uint _subtractedValue) public returns (bool success) {
    uint oldValue = allowed[msg.sender][_spender];
    if (_subtractedValue > oldValue) {
      allowed[msg.sender][_spender] = 0;
    } else {
      allowed[msg.sender][_spender] = oldValue.sub(_subtractedValue);
    }
    Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
    return true;
  }

}

/**
 * @title Ownable
 * @dev The Ownable contract has an owner address, and provides basic authorization control
 * functions, this simplifies the implementation of "user permissions".
 */
contract Ownable {
  address public owner;


  event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);


  /**
   * @dev The Ownable constructor sets the original `owner` of the contract to the sender
   * account.
   */
  function Ownable() {
    owner = msg.sender;
  }


  /**
   * @dev Throws if called by any account other than the owner.
   */
  modifier onlyOwner() {
    require(msg.sender == owner);
    _;
  }


  /**
   * @dev Allows the current owner to transfer control of the contract to a newOwner.
   * @param newOwner The address to transfer ownership to.
   */
  function transferOwnership(address newOwner) onlyOwner public {
    require(newOwner != address(0));
    OwnershipTransferred(owner, newOwner);
    owner = newOwner;
  }

}

contract sbtToken is StandardToken, Ownable {
    string constant public name = "Star Bit Token";
    string constant public symbol = "SBT";
    uint8 constant public decimals = 18;
    bool public isLocked = true;

    function sbtToken(address starbitwallet) {
        totalSupply = 1 * 10 ** (8+18);
        balances[starbitwallet] = totalSupply;
    }

    modifier illegalWhenLocked() {
        require(!isLocked || msg.sender == owner);
        _;
    }

    // should be called by crowdSale when crowdSale is finished
    function unlock() onlyOwner public{
        isLocked = false;
    }

    function transfer(address _to, uint256 _value) illegalWhenLocked public returns (bool) {
        return super.transfer(_to, _value);
    }

    function transferFrom(address _from, address _to, uint256 _value) illegalWhenLocked public returns (bool) {
        return super.transferFrom(_from, _to, _value);
    }
}

Contract Security Audit

Contract ABI

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Deployed Bytecode

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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

000000000000000000000000dca6c0569bb618f8dd91e259681e26363dbc16d4

-----Decoded View---------------
Arg [0] : starbitwallet (address): 0xDcA6c0569BB618F8dd91E259681e26363dBC16d4

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000dca6c0569bb618f8dd91e259681e26363dbc16d4


Swarm Source

bzzr://4b1d22a55c25bb5bb920c91d05ebf71e9d249ced01c30955d9bec56e38b3a91b
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