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 Ownable
•    - function Ownable()
•    - function transferOwnership(address ne ...
•  contract RefundVault is Ownable *
•    - function RefundVault(address _wallet)
•    - function deposit(address investor)
•    - function close()
•    - function enableRefunds()
•    - function refund(address investor)

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2018-05-08
*/

pragma solidity ^0.4.21;

// File: contracts/math/SafeMath.sol

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

  /**
  * @dev Multiplies two numbers, throws on overflow.
  */
  function mul(uint256 a, uint256 b) internal pure returns (uint256 c) {
    if (a == 0) {
      return 0;
    }
    c = a * b;
    assert(c / a == b);
    return c;
  }

  /**
  * @dev Integer division of two numbers, truncating the quotient.
  */
  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 a / b;
  }

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

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

// File: contracts/ownership/Ownable.sol

/**
 * @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() public {
    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) public onlyOwner {
    require(newOwner != address(0));
    emit OwnershipTransferred(owner, newOwner);
    owner = newOwner;
  }

}

// File: contracts/crowdsale/RefundVault.sol

/**
 * @title RefundVault
 * @dev This contract is used for storing funds while a crowdsale
 * is in progress. Supports refunding the money if crowdsale fails,
 * and forwarding it if crowdsale is successful.
 */
contract RefundVault is Ownable {
  using SafeMath for uint256;

  enum State { Active, Refunding, Closed }

  mapping (address => uint256) public deposited;
  address public wallet;
  State public state;

  event Closed();
  event RefundsEnabled();
  event Refunded(address indexed beneficiary, uint256 weiAmount);

  function RefundVault(address _wallet) public {
    require(_wallet != address(0));
    wallet = _wallet;
    state = State.Active;
  }

  function deposit(address investor) onlyOwner public payable {
    require(state == State.Active);
    deposited[investor] = deposited[investor].add(msg.value);
  }

  function close() onlyOwner public {
    // this is this part that shall be removed, that way if called later it run the wallet transfer in any case
    // require(state == State.Active);
    state = State.Closed;
    emit Closed();
    wallet.transfer(address(this).balance);
  }

  function enableRefunds() onlyOwner public {
    require(state == State.Active);
    state = State.Refunding;
    emit RefundsEnabled();
  }

  function refund(address investor) public {
    require(state == State.Refunding);
    uint256 depositedValue = deposited[investor];
    deposited[investor] = 0;
    investor.transfer(depositedValue);
    emit Refunded(investor, depositedValue);
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"constant":false,"inputs":[],"name":"close","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"wallet","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[],"name":"enableRefunds","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"state","outputs":[{"name":"","type":"uint8"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"deposited","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"investor","type":"address"}],"name":"deposit","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"investor","type":"address"}],"name":"refund","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_wallet","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[],"name":"Closed","type":"event"},{"anonymous":false,"inputs":[],"name":"RefundsEnabled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"beneficiary","type":"address"},{"indexed":false,"name":"weiAmount","type":"uint256"}],"name":"Refunded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"}]

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

bzzr://baff5c547d78d83d4a58e9748f9c4d6a66a1a851de72ca4c72af060ee2214da2