ETH Price: $3,317.05 (+0.28%)
Gas: 11 Gwei

Contract

0xaD41548Fa92921597Da3AE783a330396B47Cba3C
 
Transaction Hash
Method
Block
From
To
Transfer67142552018-11-16 8:54:352083 days ago1542358475IN
Quantstamp: Token Sale
0 ETH0.000218679
Transfer67142342018-11-16 8:50:462083 days ago1542358246IN
Quantstamp: Token Sale
0 ETH0.000194378
Transfer50089282018-02-01 2:02:222371 days ago1517450542IN
Quantstamp: Token Sale
0.0001 ETH0.00086141
Transfer49184512018-01-16 14:18:422387 days ago1516112322IN
Quantstamp: Token Sale
0.124669 ETH0.0017102480
Transfer48877282018-01-10 23:27:372392 days ago1515626857IN
Quantstamp: Token Sale
0 ETH0.0009406344
Terminate47603952017-12-19 14:23:482415 days ago1513693428IN
Quantstamp: Token Sale
0 ETH0.0011076141
Transfer47304692017-12-14 9:40:162420 days ago1513244416IN
Quantstamp: Token Sale
0 ETH0.000684332.01
Transfer47105622017-12-10 22:03:182423 days ago1512943398IN
Quantstamp: Token Sale
1 ETH0.0002137810
Transfer46066112017-11-23 11:12:412441 days ago1511435561IN
Quantstamp: Token Sale
0 ETH0.0012375350.8
Transfer46066082017-11-23 11:11:322441 days ago1511435492IN
Quantstamp: Token Sale
0 ETH0.0005213221.4
Transfer46066062017-11-23 11:10:332441 days ago1511435433IN
Quantstamp: Token Sale
0 ETH0.0005213221.4
Transfer46065942017-11-23 11:06:462441 days ago1511435206IN
Quantstamp: Token Sale
0 ETH0.000048462
Transfer46065522017-11-23 10:59:142441 days ago1511434754IN
Quantstamp: Token Sale
0 ETH0.000002430.1
Transfer46065232017-11-23 10:52:582441 days ago1511434378IN
Quantstamp: Token Sale
0 ETH0.000002420.1
Transfer46024092017-11-22 19:09:152441 days ago1511377755IN
Quantstamp: Token Sale
0 ETH0.0005088921
Transfer46021542017-11-22 18:10:312441 days ago1511374231IN
Quantstamp: Token Sale
0 ETH0.0010550
Transfer46021452017-11-22 18:09:002441 days ago1511374140IN
Quantstamp: Token Sale
0 ETH0.0005088921
Transfer46021202017-11-22 18:02:342441 days ago1511373754IN
Quantstamp: Token Sale
0 ETH0.0005088921
Transfer46020972017-11-22 17:57:282441 days ago1511373448IN
Quantstamp: Token Sale
0 ETH0.0005102321
Transfer46020802017-11-22 17:53:542441 days ago1511373234IN
Quantstamp: Token Sale
0 ETH0.0005102321
Transfer46020772017-11-22 17:52:522441 days ago1511373172IN
Quantstamp: Token Sale
0 ETH0.0004870321
Transfer46003802017-11-22 11:27:572442 days ago1511350077IN
Quantstamp: Token Sale
0 ETH0.000002430.1
Transfer46001272017-11-22 10:26:132442 days ago1511346373IN
Quantstamp: Token Sale
0 ETH0.000002420.1
Transfer46001122017-11-22 10:21:402442 days ago1511346100IN
Quantstamp: Token Sale
0 ETH0.000002430.1
Transfer45989552017-11-22 5:51:152442 days ago1511329875IN
Quantstamp: Token Sale
0 ETH0.0005023221
View all transactions

Latest 4 internal transactions

Advanced mode:
Parent Transaction Hash Block From To
45809012017-11-19 7:51:112445 days ago1511077871
Quantstamp: Token Sale
3,259.01938768 ETH
45781092017-11-18 21:17:032445 days ago1511039823
Quantstamp: Token Sale
405.57541864 ETH
45770662017-11-18 17:15:082445 days ago1511025308
Quantstamp: Token Sale
979.84989431 ETH
45743592017-11-18 6:47:492446 days ago1510987669
Quantstamp: Token Sale
18,399.10297535 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
QuantstampMainSale

Compiler Version
v0.4.18+commit.9cf6e910

Optimization Enabled:
No with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2017-11-18
*/

pragma solidity ^0.4.15;


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

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

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


/**
 * @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;
  }

}




/**
 * @title Pausable
 * @dev Base contract which allows children to implement an emergency stop mechanism.
 */
contract Pausable is Ownable {
  event Pause();
  event Unpause();

  bool public paused = false;


  /**
   * @dev Modifier to make a function callable only when the contract is not paused.
   */
  modifier whenNotPaused() {
    require(!paused);
    _;
  }

  /**
   * @dev Modifier to make a function callable only when the contract is paused.
   */
  modifier whenPaused() {
    require(paused);
    _;
  }

  /**
   * @dev called by the owner to pause, triggers stopped state
   */
  function pause() onlyOwner whenNotPaused public {
    paused = true;
    Pause();
  }

  /**
   * @dev called by the owner to unpause, returns to normal state
   */
  function unpause() onlyOwner whenPaused public {
    paused = false;
    Unpause();
  }
}



/**
 * @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 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 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));

    // 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 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)) 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));

    uint256 _allowance = allowed[_from][msg.sender];

    // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
    // 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.
   *
   * 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)
    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)
    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 Burnable Token
 * @dev Token that can be irreversibly burned (destroyed).
 */
contract BurnableToken is StandardToken {

    event Burn(address indexed burner, uint256 value);

    /**
     * @dev Burns a specific amount of tokens.
     * @param _value The amount of token to be burned.
     */
    function burn(uint256 _value) public {
        require(_value > 0);

        address burner = msg.sender;
        balances[burner] = balances[burner].sub(_value);
        totalSupply = totalSupply.sub(_value);
        Burn(burner, _value);
    }
}

// Quantstamp Technologies Inc. ([email protected])



/**
 * The Quantstamp token (QSP) has a fixed supply and restricts the ability
 * to transfer tokens until the owner has called the enableTransfer()
 * function.
 *
 * The owner can associate the token with a token sale contract. In that
 * case, the token balance is moved to the token sale contract, which
 * in turn can transfer its tokens to contributors to the sale.
 */
contract QuantstampToken is StandardToken, BurnableToken, Ownable {

    // Constants
    string  public constant name = "Quantstamp Token";
    string  public constant symbol = "QSP";
    uint8   public constant decimals = 18;
    uint256 public constant INITIAL_SUPPLY      = 1000000000 * (10 ** uint256(decimals));
    uint256 public constant CROWDSALE_ALLOWANCE =  650000000 * (10 ** uint256(decimals));
    uint256 public constant ADMIN_ALLOWANCE     =  350000000 * (10 ** uint256(decimals));

    // Properties
    uint256 public crowdSaleAllowance;      // the number of tokens available for crowdsales
    uint256 public adminAllowance;          // the number of tokens available for the administrator
    address public crowdSaleAddr;           // the address of a crowdsale currently selling this token
    address public adminAddr;               // the address of the token admin account
    bool    public transferEnabled = false; // indicates if transferring tokens is enabled or not

    // Modifiers
    modifier onlyWhenTransferEnabled() {
        if (!transferEnabled) {
            require(msg.sender == adminAddr || msg.sender == crowdSaleAddr);
        }
        _;
    }

    /**
     * The listed addresses are not valid recipients of tokens.
     *
     * 0x0           - the zero address is not valid
     * this          - the contract itself should not receive tokens
     * owner         - the owner has all the initial tokens, but cannot receive any back
     * adminAddr     - the admin has an allowance of tokens to transfer, but does not receive any
     * crowdSaleAddr - the crowdsale has an allowance of tokens to transfer, but does not receive any
     */
    modifier validDestination(address _to) {
        require(_to != address(0x0));
        require(_to != address(this));
        require(_to != owner);
        require(_to != address(adminAddr));
        require(_to != address(crowdSaleAddr));
        _;
    }

    /**
     * Constructor - instantiates token supply and allocates balanace of
     * to the owner (msg.sender).
     */
    function QuantstampToken(address _admin) {
        // the owner is a custodian of tokens that can
        // give an allowance of tokens for crowdsales
        // or to the admin, but cannot itself transfer
        // tokens; hence, this requirement
        require(msg.sender != _admin);

        totalSupply = INITIAL_SUPPLY;
        crowdSaleAllowance = CROWDSALE_ALLOWANCE;
        adminAllowance = ADMIN_ALLOWANCE;

        // mint all tokens
        balances[msg.sender] = totalSupply;
        Transfer(address(0x0), msg.sender, totalSupply);

        adminAddr = _admin;
        approve(adminAddr, adminAllowance);
    }

    /**
     * Associates this token with a current crowdsale, giving the crowdsale
     * an allowance of tokens from the crowdsale supply. This gives the
     * crowdsale the ability to call transferFrom to transfer tokens to
     * whomever has purchased them.
     *
     * Note that if _amountForSale is 0, then it is assumed that the full
     * remaining crowdsale supply is made available to the crowdsale.
     *
     * @param _crowdSaleAddr The address of a crowdsale contract that will sell this token
     * @param _amountForSale The supply of tokens provided to the crowdsale
     */
    function setCrowdsale(address _crowdSaleAddr, uint256 _amountForSale) external onlyOwner {
        require(!transferEnabled);
        require(_amountForSale <= crowdSaleAllowance);

        // if 0, then full available crowdsale supply is assumed
        uint amount = (_amountForSale == 0) ? crowdSaleAllowance : _amountForSale;

        // Clear allowance of old, and set allowance of new
        approve(crowdSaleAddr, 0);
        approve(_crowdSaleAddr, amount);

        crowdSaleAddr = _crowdSaleAddr;
    }

    /**
     * Enables the ability of anyone to transfer their tokens. This can
     * only be called by the token owner. Once enabled, it is not
     * possible to disable transfers.
     */
    function enableTransfer() external onlyOwner {
        transferEnabled = true;
        approve(crowdSaleAddr, 0);
        approve(adminAddr, 0);
        crowdSaleAllowance = 0;
        adminAllowance = 0;
    }

    /**
     * Overrides ERC20 transfer function with modifier that prevents the
     * ability to transfer tokens until after transfers have been enabled.
     */
    function transfer(address _to, uint256 _value) public onlyWhenTransferEnabled validDestination(_to) returns (bool) {
        return super.transfer(_to, _value);
    }

    /**
     * Overrides ERC20 transferFrom function with modifier that prevents the
     * ability to transfer tokens until after transfers have been enabled.
     */
    function transferFrom(address _from, address _to, uint256 _value) public onlyWhenTransferEnabled validDestination(_to) returns (bool) {
        bool result = super.transferFrom(_from, _to, _value);
        if (result) {
            if (msg.sender == crowdSaleAddr)
                crowdSaleAllowance = crowdSaleAllowance.sub(_value);
            if (msg.sender == adminAddr)
                adminAllowance = adminAllowance.sub(_value);
        }
        return result;
    }

    /**
     * Overrides the burn function so that it cannot be called until after
     * transfers have been enabled.
     *
     * @param _value    The amount of tokens to burn in mini-QSP
     */
    function burn(uint256 _value) public {
        require(transferEnabled || msg.sender == owner);
        require(balances[msg.sender] >= _value);
        super.burn(_value);
        Transfer(msg.sender, address(0x0), _value);
    }
}

// Quantstamp Technologies Inc. ([email protected])



/**
 * The QuantstampSale smart contract is used for selling QuantstampToken
 * tokens (QSP). It does so by converting ETH received into a quantity of
 * tokens that are transferred to the contributor via the ERC20-compatible
 * transferFrom() function.
 */
contract QuantstampMainSale is Pausable {

    using SafeMath for uint256;

    uint public constant RATE = 5000;       // constant for converting ETH to QSP
    uint public constant GAS_LIMIT_IN_WEI = 50000000000 wei;

    bool public fundingCapReached = false;  // funding cap has been reached
    bool public saleClosed = false;         // crowdsale is closed or not
    bool private rentrancy_lock = false;    // prevent certain functions from recursize calls

    uint public fundingCap;                 // upper bound on amount that can be raised (in wei)
    uint256 public cap;                     // individual cap during initial period of sale

    uint public minContribution;            // lower bound on amount a contributor can send (in wei)
    uint public amountRaised;               // amount raised so far (in wei)
    uint public refundAmount;               // amount that has been refunded so far

    uint public startTime;                  // UNIX timestamp for start of sale
    uint public deadline;                   // UNIX timestamp for end (deadline) of sale
    uint public capTime;                    // Initial time period when the cap restriction is on

    address public beneficiary;             // The beneficiary is the future recipient of the funds

    QuantstampToken public tokenReward;     // The token being sold

    mapping(address => uint256) public balanceOf;   // tracks the amount of wei contributed by address during all sales
    mapping(address => uint256) public mainsaleBalanceOf; // tracks the amount of wei contributed by address during mainsale

    mapping(address => bool) public registry;       // Registry of wallet addresses from whitelist

    // Events
    event CapReached(address _beneficiary, uint _amountRaised);
    event FundTransfer(address _backer, uint _amount, bool _isContribution);
    event RegistrationStatusChanged(address target, bool isRegistered);

    // Modifiers
    modifier beforeDeadline()   { require (currentTime() < deadline); _; }
    modifier afterDeadline()    { require (currentTime() >= deadline); _; }
    modifier afterStartTime()   { require (currentTime() >= startTime); _; }
    modifier saleNotClosed()    { require (!saleClosed); _; }

    modifier nonReentrant() {
        require(!rentrancy_lock);
        rentrancy_lock = true;
        _;
        rentrancy_lock = false;
    }

    /**
     * Constructor for a crowdsale of QuantstampToken tokens.
     *
     * @param ifSuccessfulSendTo            the beneficiary of the fund
     * @param fundingCapInEthers            the cap (maximum) size of the fund
     * @param minimumContributionInWei      minimum contribution (in wei)
     * @param start                         the start time (UNIX timestamp)
     * @param durationInMinutes             the duration of the crowdsale in minutes
     * @param initialCap                    initial individual cap
     * @param capDurationInMinutes          duration of initial individual cap
     * @param addressOfTokenUsedAsReward    address of the token being sold
     */
    function QuantstampMainSale(
        address ifSuccessfulSendTo,
        uint fundingCapInEthers,
        uint minimumContributionInWei,
        uint start,
        uint durationInMinutes,
        uint initialCap,
        uint capDurationInMinutes,
        address addressOfTokenUsedAsReward
    ) {
        require(ifSuccessfulSendTo != address(0) && ifSuccessfulSendTo != address(this));
        require(addressOfTokenUsedAsReward != address(0) && addressOfTokenUsedAsReward != address(this));
        require(durationInMinutes > 0);
        beneficiary = ifSuccessfulSendTo;
        fundingCap = fundingCapInEthers * 1 ether;
        minContribution = minimumContributionInWei;
        startTime = start;
        deadline = start + (durationInMinutes * 1 minutes);
        capTime = start + (capDurationInMinutes * 1 minutes);
        cap = initialCap * 1 ether;
        tokenReward = QuantstampToken(addressOfTokenUsedAsReward);
    }


    function () payable {
        buy();
    }


    function buy()
        payable
        public
        whenNotPaused
        beforeDeadline
        afterStartTime
        saleNotClosed
        nonReentrant
    {
        uint amount = msg.value;
        require(amount >= minContribution);

        // ensure that the user adheres to whitelist restrictions
        require(registry[msg.sender]);

        amountRaised = amountRaised.add(amount);

        //require(amountRaised <= fundingCap);
        // if we overflow the fundingCap, transfer the overflow amount
        if(amountRaised > fundingCap){
            uint overflow = amountRaised.sub(fundingCap);
            amount = amount.sub(overflow);
            amountRaised = fundingCap;
            // transfer overflow back to the user
            msg.sender.transfer(overflow);
        }


        // Update the sender's balance of wei contributed and the total amount raised
        balanceOf[msg.sender] = balanceOf[msg.sender].add(amount);

        // Update the sender's cap balance
        mainsaleBalanceOf[msg.sender] = mainsaleBalanceOf[msg.sender].add(amount);


        if (currentTime() <= capTime) {
            require(tx.gasprice <= GAS_LIMIT_IN_WEI);
            require(mainsaleBalanceOf[msg.sender] <= cap);

        }

        // Transfer the tokens from the crowdsale supply to the sender
        if (!tokenReward.transferFrom(tokenReward.owner(), msg.sender, amount.mul(RATE))) {
            revert();
        }

        FundTransfer(msg.sender, amount, true);
        updateFundingCap();
    }

    function setCap(uint _cap) public onlyOwner {
        cap = _cap;
    }

    /**
     * @dev Sets registration status of an address for participation.
     *
     * @param contributor Address that will be registered/deregistered.
     */
    function registerUser(address contributor)
        public
        onlyOwner
    {
        require(contributor != address(0));
        registry[contributor] = true;
        RegistrationStatusChanged(contributor, true);
    }

     /**
     * @dev Remove registration status of an address for participation.
     *
     * NOTE: if the user made initial contributions to the crowdsale,
     *       this will not return the previously allotted tokens.
     *
     * @param contributor Address to be unregistered.
     */
    function deactivate(address contributor)
        public
        onlyOwner
    {
        require(registry[contributor]);
        registry[contributor] = false;
        RegistrationStatusChanged(contributor, false);
    }

    /**
     * @dev Sets registration statuses of addresses for participation.
     * @param contributors Addresses that will be registered/deregistered.
     */
    function registerUsers(address[] contributors)
        external
        onlyOwner
    {
        for (uint i = 0; i < contributors.length; i++) {
            registerUser(contributors[i]);
        }
    }

    /**
     * The owner can terminate the crowdsale at any time.
     */
    function terminate() external onlyOwner {
        saleClosed = true;
    }

    /**
     * The owner can allocate the specified amount of tokens from the
     * crowdsale allowance to the recipient (_to).
     *
     * NOTE: be extremely careful to get the amounts correct, which
     * are in units of wei and mini-QSP. Every digit counts.
     *
     * @param _to            the recipient of the tokens
     * @param amountWei     the amount contributed in wei
     * @param amountMiniQsp the amount of tokens transferred in mini-QSP
     */
    function allocateTokens(address _to, uint amountWei, uint amountMiniQsp) public
            onlyOwner nonReentrant
    {
        amountRaised = amountRaised.add(amountWei);
        require(amountRaised <= fundingCap);

        balanceOf[_to] = balanceOf[_to].add(amountWei);

        if (!tokenReward.transferFrom(tokenReward.owner(), _to, amountMiniQsp)) {
            revert();
        }

        FundTransfer(_to, amountWei, true);
        updateFundingCap();
    }


    /**
     * The owner can call this function to withdraw the funds that
     * have been sent to this contract. The funds will be sent to
     * the beneficiary specified when the crowdsale was created.
     */
    function ownerSafeWithdrawal() external onlyOwner nonReentrant {
        uint balanceToSend = this.balance;
        beneficiary.transfer(balanceToSend);
        FundTransfer(beneficiary, balanceToSend, false);
    }

    /**
     * Checks if the funding cap has been reached. If it has, then
     * the CapReached event is triggered.
     */
    function updateFundingCap() internal {
        assert (amountRaised <= fundingCap);
        if (amountRaised == fundingCap) {
            // Check if the funding cap has been reached
            fundingCapReached = true;
            saleClosed = true;
            CapReached(beneficiary, amountRaised);
        }
    }

    /**
     * Returns the current time.
     * Useful to abstract calls to "now" for tests.
    */
    function currentTime() constant returns (uint _currentTime) {
        return now;
    }

    function setDeadline(uint timestamp) public onlyOwner {
        deadline = timestamp;
    }
}

Contract Security Audit

Contract ABI

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sfulSendTo","type":"address"},{"name":"fundingCapInEthers","type":"uint256"},{"name":"minimumContributionInWei","type":"uint256"},{"name":"start","type":"uint256"},{"name":"durationInMinutes","type":"uint256"},{"name":"initialCap","type":"uint256"},{"name":"capDurationInMinutes","type":"uint256"},{"name":"addressOfTokenUsedAsReward","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_beneficiary","type":"address"},{"indexed":false,"name":"_amountRaised","type":"uint256"}],"name":"CapReached","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_backer","type":"address"},{"indexed":false,"name":"_amount","type":"uint256"},{"indexed":false,"name":"_isContribution","type":"bool"}],"name":"FundTransfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"target","type":"address"},{"indexed":false,"name":"isRegistered","type":"bool"}],"name":"RegistrationStatusChanged","type":"event"},{"anonymous":false,"inputs":[],"name":"Pause","type":"event"},{"anonymous":false,"inputs":[],"name":"Unpause","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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Deployed Bytecode

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3263007d8194f8bf750029

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

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

-----Decoded View---------------
Arg [0] : ifSuccessfulSendTo (address): 0x22e9c5643D6db3aA4163Ae80Fca9241315214a37
Arg [1] : fundingCapInEthers (uint256): 100000
Arg [2] : minimumContributionInWei (uint256): 100000000000000000
Arg [3] : start (uint256): 1510927200
Arg [4] : durationInMinutes (uint256): 43200
Arg [5] : initialCap (uint256): 50
Arg [6] : capDurationInMinutes (uint256): 480
Arg [7] : addressOfTokenUsedAsReward (address): 0x99ea4dB9EE77ACD40B119BD1dC4E33e1C070b80d

-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 00000000000000000000000022e9c5643d6db3aa4163ae80fca9241315214a37
Arg [1] : 00000000000000000000000000000000000000000000000000000000000186a0
Arg [2] : 000000000000000000000000000000000000000000000000016345785d8a0000
Arg [3] : 000000000000000000000000000000000000000000000000000000005a0eeb60
Arg [4] : 000000000000000000000000000000000000000000000000000000000000a8c0
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000032
Arg [6] : 00000000000000000000000000000000000000000000000000000000000001e0
Arg [7] : 00000000000000000000000099ea4db9ee77acd40b119bd1dc4e33e1c070b80d


Swarm Source

bzzr://f41b72fa50853c460d4476d7ca055e56d3f1f4a1d193f93263007d8194f8bf75

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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.