ETH Price: $3,409.80 (+3.31%)

Contract

0x6E3Bc8F50d04f7262F5c99F1cBABE502eB5E37F5
 
Transaction Hash
Method
Block
From
To
Transfer76919602019-05-04 3:09:092030 days ago1556939349IN
GameFlip: Token Sale
0 ETH0.000109725
Transfer49814762018-01-27 10:52:542492 days ago1517050374IN
GameFlip: Token Sale
0.2 ETH0.000899741
Transfer49809952018-01-27 8:57:002492 days ago1517043420IN
GameFlip: Token Sale
0.12 ETH0.000899741
Transfer49788972018-01-27 0:36:442492 days ago1517013404IN
GameFlip: Token Sale
0.1 ETH0.0011849754
Transfer49788842018-01-27 0:33:222492 days ago1517013202IN
GameFlip: Token Sale
0.1 ETH0.0011849754
Transfer49184592018-01-16 14:20:252503 days ago1516112425IN
GameFlip: Token Sale
0.09 ETH0.0017555280
Transfer49003092018-01-13 7:10:032506 days ago1515827403IN
GameFlip: Token Sale
1.045 ETH0.0009216442
Transfer49003062018-01-13 7:09:332506 days ago1515827373IN
GameFlip: Token Sale
1.05 ETH0.000109725
Transfer48914322018-01-11 15:58:232508 days ago1515686303IN
GameFlip: Token Sale
0.28 ETH0.0017555280
Transfer48793192018-01-09 9:59:172510 days ago1515491957IN
GameFlip: Token Sale
0.3 ETH0.0022118131.8
Transfer48780202018-01-09 4:18:342510 days ago1515471514IN
GameFlip: Token Sale
0.3 ETH0.003477750
Transfer48776322018-01-09 2:35:322510 days ago1515465332IN
GameFlip: Token Sale
0.3 ETH0.0049939771.8
Transfer48776282018-01-09 2:34:292510 days ago1515465269IN
GameFlip: Token Sale
0.3 ETH0.003477750
Transfer48733762018-01-08 7:43:502511 days ago1515397430IN
GameFlip: Token Sale
0.2 ETH0.0016692924
Transfer48701362018-01-07 17:38:132511 days ago1515346693IN
GameFlip: Token Sale
0.28 ETH0.0048687870
Transfer48701362018-01-07 17:38:132511 days ago1515346693IN
GameFlip: Token Sale
0.3 ETH0.0040202257.8
Transfer48701362018-01-07 17:38:132511 days ago1515346693IN
GameFlip: Token Sale
0.3 ETH0.0038811155.8
Transfer48701322018-01-07 17:36:532511 days ago1515346613IN
GameFlip: Token Sale
0.28 ETH0.0033942348.8
Transfer48701202018-01-07 17:34:152511 days ago1515346455IN
GameFlip: Token Sale
0.29 ETH0.0022118131.8
Transfer48690972018-01-07 13:09:272512 days ago1515330567IN
GameFlip: Token Sale
1 ETH0.0017756321
Transfer48687132018-01-07 11:25:182512 days ago1515324318IN
GameFlip: Token Sale
1 ETH0.0020866230
Transfer48680892018-01-07 8:43:142512 days ago1515314594IN
GameFlip: Token Sale
0.1 ETH0.0008455410
Transfer48679902018-01-07 8:19:472512 days ago1515313187IN
GameFlip: Token Sale
1.06830361 ETH0.0008455410
Transfer48677312018-01-07 7:08:502512 days ago1515308930IN
GameFlip: Token Sale
0.5 ETH0.0008455410
Transfer48676752018-01-07 6:53:582512 days ago1515308038IN
GameFlip: Token Sale
0.3 ETH0.0022118131.8
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Latest 25 internal transactions (View All)

Advanced mode:
Parent Transaction Hash Block From To
48793192018-01-09 9:59:172510 days ago1515491957
GameFlip: Token Sale
0.3 ETH
48780202018-01-09 4:18:342510 days ago1515471514
GameFlip: Token Sale
0.3 ETH
48776322018-01-09 2:35:322510 days ago1515465332
GameFlip: Token Sale
0.3 ETH
48776282018-01-09 2:34:292510 days ago1515465269
GameFlip: Token Sale
0.3 ETH
48733762018-01-08 7:43:502511 days ago1515397430
GameFlip: Token Sale
0.2 ETH
48701362018-01-07 17:38:132511 days ago1515346693
GameFlip: Token Sale
0.28 ETH
48701362018-01-07 17:38:132511 days ago1515346693
GameFlip: Token Sale
0.3 ETH
48701362018-01-07 17:38:132511 days ago1515346693
GameFlip: Token Sale
0.3 ETH
48701322018-01-07 17:36:532511 days ago1515346613
GameFlip: Token Sale
0.28 ETH
48701202018-01-07 17:34:152511 days ago1515346455
GameFlip: Token Sale
0.29 ETH
48690972018-01-07 13:09:272512 days ago1515330567
GameFlip: Token Sale
1 ETH
48687132018-01-07 11:25:182512 days ago1515324318
GameFlip: Token Sale
1 ETH
48680892018-01-07 8:43:142512 days ago1515314594
GameFlip: Token Sale
0.1 ETH
48679902018-01-07 8:19:472512 days ago1515313187
GameFlip: Token Sale
1.06830361 ETH
48677312018-01-07 7:08:502512 days ago1515308930
GameFlip: Token Sale
0.5 ETH
48676752018-01-07 6:53:582512 days ago1515308038
GameFlip: Token Sale
0.3 ETH
48660982018-01-06 23:56:472512 days ago1515283007
GameFlip: Token Sale
0.10001889 ETH
48656802018-01-06 22:06:342512 days ago1515276394
GameFlip: Token Sale
0.25 ETH
48646662018-01-06 17:34:032512 days ago1515260043
GameFlip: Token Sale
0.996 ETH
48640842018-01-06 15:03:432513 days ago1515251023
GameFlip: Token Sale
0.1 ETH
48640222018-01-06 14:50:202513 days ago1515250220
GameFlip: Token Sale
0.98666 ETH
48639862018-01-06 14:43:382513 days ago1515249818
GameFlip: Token Sale
0.121 ETH
48638432018-01-06 14:05:412513 days ago1515247541
GameFlip: Token Sale
1.13485 ETH
48638432018-01-06 14:05:412513 days ago1515247541
GameFlip: Token Sale
0.2 ETH
48638432018-01-06 14:05:412513 days ago1515247541
GameFlip: Token Sale
1.2 ETH
View All Internal Transactions
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Contract Source Code Verified (Exact Match)

Contract Name:
MainSale

Compiler Version
v0.4.15+commit.bbb8e64f

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2017-11-29
*/

pragma solidity ^0.4.15;

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;
  }
}

contract Crowdsale {
  using SafeMath for uint256;

  // The token being sold
  MintableToken public token;

  // start and end timestamps where investments are allowed (both inclusive)
  uint256 public startTime;
  uint256 public endTime;

  // address where funds are collected
  address public wallet;

  // how many token units a buyer gets per wei
  uint256 public rate;

  // amount of raised money in wei
  uint256 public weiRaised;

  /**
   * event for token purchase logging
   * @param purchaser who paid for the tokens
   * @param beneficiary who got the tokens
   * @param value weis paid for purchase
   * @param amount amount of tokens purchased
   */
  event TokenPurchase(address indexed purchaser, address indexed beneficiary, uint256 value, uint256 amount);


  function Crowdsale(uint256 _startTime, uint256 _endTime, uint256 _rate, address _wallet) {
    require(_startTime >= now);
    require(_endTime >= _startTime);
    require(_rate > 0);
    require(_wallet != 0x0);

    token = createTokenContract();
    startTime = _startTime;
    endTime = _endTime;
    rate = _rate;
    wallet = _wallet;
  }

  // creates the token to be sold.
  // override this method to have crowdsale of a specific mintable token.
  function createTokenContract() internal returns (MintableToken) {
    return new MintableToken();
  }


  // fallback function can be used to buy tokens
  function () payable {
    buyTokens(msg.sender);
  }

  // low level token purchase function
  function buyTokens(address beneficiary) public payable {
    require(beneficiary != 0x0);
    require(validPurchase());

    uint256 weiAmount = msg.value;

    // calculate token amount to be created
    uint256 tokens = weiAmount.mul(rate);

    // update state
    weiRaised = weiRaised.add(weiAmount);

    token.mint(beneficiary, tokens);
    TokenPurchase(msg.sender, beneficiary, weiAmount, tokens);

    forwardFunds();
  }

  // send ether to the fund collection wallet
  // override to create custom fund forwarding mechanisms
  function forwardFunds() internal {
    wallet.transfer(msg.value);
  }

  // @return true if the transaction can buy tokens
  function validPurchase() internal constant returns (bool) {
    bool withinPeriod = now >= startTime && now <= endTime;
    bool nonZeroPurchase = msg.value != 0;
    return withinPeriod && nonZeroPurchase;
  }

  // @return true if crowdsale event has ended
  function hasEnded() public constant returns (bool) {
    return now > endTime;
  }


}

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 FinalizableCrowdsale is Crowdsale, Ownable {
  using SafeMath for uint256;

  bool public isFinalized = false;

  event Finalized();

  /**
   * @dev Must be called after crowdsale ends, to do some extra finalization
   * work. Calls the contract's finalization function.
   */
  function finalize() onlyOwner public {
    require(!isFinalized);
    require(hasEnded());

    finalization();
    Finalized();

    isFinalized = true;
  }

  /**
   * @dev Can be overridden to add finalization logic. The overriding function
   * should call super.finalization() to ensure the chain of finalization is
   * executed entirely.
   */
  function finalization() internal {
  }
}

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();
  }
}

contract Contactable is Ownable{

    string public contactInformation;

    /**
     * @dev Allows the owner to set a string with their contact information.
     * @param info The contact information to attach to the contract.
     */
    function setContactInformation(string info) onlyOwner public {
         contactInformation = info;
     }
}

contract HasNoContracts is Ownable {

  /**
   * @dev Reclaim ownership of Ownable contracts
   * @param contractAddr The address of the Ownable to be reclaimed.
   */
  function reclaimContract(address contractAddr) external onlyOwner {
    Ownable contractInst = Ownable(contractAddr);
    contractInst.transferOwnership(owner);
  }
}

contract HasNoEther is Ownable {

  /**
  * @dev Constructor that rejects incoming Ether
  * @dev The `payable` flag is added so we can access `msg.value` without compiler warning. If we
  * leave out payable, then Solidity will allow inheriting contracts to implement a payable
  * constructor. By doing it this way we prevent a payable constructor from working. Alternatively
  * we could use assembly to access msg.value.
  */
  function HasNoEther() payable {
    require(msg.value == 0);
  }

  /**
   * @dev Disallows direct send by settings a default function without the `payable` flag.
   */
  function() external {
  }

  /**
   * @dev Transfer all Ether held by the contract to the owner.
   */
  function reclaimEther() external onlyOwner {
    assert(owner.send(this.balance));
  }
}

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);
}

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];
  }

}

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);
}

library SafeERC20 {
  function safeTransfer(ERC20Basic token, address to, uint256 value) internal {
    assert(token.transfer(to, value));
  }

  function safeTransferFrom(ERC20 token, address from, address to, uint256 value) internal {
    assert(token.transferFrom(from, to, value));
  }

  function safeApprove(ERC20 token, address spender, uint256 value) internal {
    assert(token.approve(spender, value));
  }
}

contract CanReclaimToken is Ownable {
  using SafeERC20 for ERC20Basic;

  /**
   * @dev Reclaim all ERC20Basic compatible tokens
   * @param token ERC20Basic The address of the token contract
   */
  function reclaimToken(ERC20Basic token) external onlyOwner {
    uint256 balance = token.balanceOf(this);
    token.safeTransfer(owner, balance);
  }

}

contract HasNoTokens is CanReclaimToken {

 /**
  * @dev Reject all ERC23 compatible tokens
  * @param from_ address The address that is transferring the tokens
  * @param value_ uint256 the amount of the specified token
  * @param data_ Bytes The data passed from the caller.
  */
  function tokenFallback(address from_, uint256 value_, bytes data_) external {
    revert();
  }

}

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;
  }

}

contract MintableToken is StandardToken, Ownable {
  event Mint(address indexed to, uint256 amount);
  event MintFinished();

  bool public mintingFinished = false;


  modifier canMint() {
    require(!mintingFinished);
    _;
  }

  /**
   * @dev Function to mint tokens
   * @param _to The address that will receive the minted tokens.
   * @param _amount The amount of tokens to mint.
   * @return A boolean that indicates if the operation was successful.
   */
  function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
    totalSupply = totalSupply.add(_amount);
    balances[_to] = balances[_to].add(_amount);
    Mint(_to, _amount);
    Transfer(0x0, _to, _amount);
    return true;
  }

  /**
   * @dev Function to stop minting new tokens.
   * @return True if the operation was successful.
   */
  function finishMinting() onlyOwner public returns (bool) {
    mintingFinished = true;
    MintFinished();
    return true;
  }
}

contract PausableToken is StandardToken, Pausable {

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

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

  function approve(address _spender, uint256 _value) public whenNotPaused returns (bool) {
    return super.approve(_spender, _value);
  }

  function increaseApproval(address _spender, uint _addedValue) public whenNotPaused returns (bool success) {
    return super.increaseApproval(_spender, _addedValue);
  }

  function decreaseApproval(address _spender, uint _subtractedValue) public whenNotPaused returns (bool success) {
    return super.decreaseApproval(_spender, _subtractedValue);
  }
}

contract FlipCrowdsale is Contactable, Pausable, HasNoContracts, HasNoTokens, FinalizableCrowdsale {
    using SafeMath for uint256;

    uint256 public tokensSold = 0;

    // ignore the Crowdsale.rate and dynamically compute rate based on other factors (e.g. purchase amount, time, etc)
    function FlipCrowdsale(MintableToken _token, uint256 _startTime, uint256 _endTime, address _ethWallet)
    Ownable()
    Pausable()
    Contactable()
    HasNoTokens()
    HasNoContracts()
    Crowdsale(_startTime, _endTime, 1, _ethWallet)
    FinalizableCrowdsale()
    {
        // deployment must set token.owner = FlipCrowdsale.address to allow minting
        token = _token;
        contactInformation = 'https://tokensale.gameflip.com/';
    }

    function setWallet(address _wallet) onlyOwner public {
        require(_wallet != 0x0);
        wallet = _wallet;
    }

    // over-ridden low level token purchase function so that we
    // can control the token-per-wei exchange rate dynamically
    function buyTokens(address beneficiary) public payable whenNotPaused {
        require(beneficiary != 0x0);
        require(validPurchase());

        uint256 weiAmount = msg.value;

        // calculate token amount to be created
        uint256 tokens = applyExchangeRate(weiAmount);

        // update state
        weiRaised = weiRaised.add(weiAmount);
        tokensSold = tokensSold.add(tokens);

        token.mint(beneficiary, tokens);
        TokenPurchase(msg.sender, beneficiary, weiAmount, tokens);

        forwardFunds();
    }

    function tokenTransferOwnership(address newOwner) public onlyOwner {
        require(hasEnded());
        token.transferOwnership(newOwner);
    }

    /**
    * @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 {
        // do not allow self ownership
        require(newOwner != address(this));
        super.transferOwnership(newOwner);
    }

    // overriding Crowdsale#hasEnded to add cap logic
    // @return true if crowdsale event has ended
    function hasEnded() public constant returns (bool) {
        bool capReached = tokensRemaining() == 0;
        return super.hasEnded() || capReached;
    }

    // sub-classes must override to control tokens sales cap
    function tokensRemaining() constant public returns (uint256);


    /*
     * internal functions
     */
    function createTokenContract() internal returns (MintableToken) {
        return token;
    }

    // sub-classes must override to customize token-per-wei exchange rate
    function applyExchangeRate(uint256 _wei) constant internal returns (uint256);

    /**
       * @dev Can be overridden to add finalization logic. The overriding function
       * should call super.finalization() to ensure the chain of finalization is
       * executed entirely.
       */
    function finalization() internal {
        // if we own the token, pass ownership to our owner when finalized
        if(address(token) != address(0) && token.owner() == address(this) && owner != address(0)) {
            token.transferOwnership(owner);
        }
        super.finalization();
    }
}

contract FlipToken is Contactable, HasNoTokens, HasNoEther, MintableToken, PausableToken {

    string public constant name = "FLIP Token";
    string public constant symbol = "FLP";
    uint8 public constant decimals = 18;

    uint256 public constant ONE_TOKENS = (10 ** uint256(decimals));
    uint256 public constant MILLION_TOKENS = (10**6) * ONE_TOKENS;
    uint256 public constant TOTAL_TOKENS = 100 * MILLION_TOKENS;

    function FlipToken()
    Ownable()
    Contactable()
    HasNoTokens()
    HasNoEther()
    MintableToken()
    PausableToken()
    {
        contactInformation = 'https://tokensale.gameflip.com/';
    }

    // cap minting so that totalSupply <= TOTAL_TOKENS
    function mint(address _to, uint256 _amount) onlyOwner canMint public returns (bool) {
        require(totalSupply.add(_amount) <= TOTAL_TOKENS);
        return super.mint(_to, _amount);
    }


    /**
    * @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 {
        // do not allow self ownership
        require(newOwner != address(this));
        super.transferOwnership(newOwner);
    }
}

contract MainSale is FlipCrowdsale {
    using SafeMath for uint256;

    function MainSale(MintableToken _token, uint256 _startTime, uint256 _endTime, address _ethWallet)
    FlipCrowdsale(_token, _startTime, _endTime, _ethWallet)
    {
    }

    function tokensRemaining() constant public returns (uint256) {
        FlipToken tok = FlipToken(token);
        return tok.TOTAL_TOKENS().sub(tok.totalSupply());
    }

    function setEndTime(uint256 _endTime) onlyOwner public {
        require(!hasEnded());
        require(_endTime >= now);
        require(_endTime >= startTime);
        endTime = _endTime;
    }

    /*
     * internal functions
     */
    function applyExchangeRate(uint256 _wei) constant internal returns (uint256) {
        // white paper (6.4 Token Main Sale) specifies rates based on purchase time
        uint256 minPurchaseAmt = 100 finney;
        require(_wei >= minPurchaseAmt);
        // compute token-per-wei rate based on current date
        uint256 period = endTime.sub(startTime).div(4);
        uint256 nowts = now;

        uint256 rate;
        // checks for before startTime and after endTime are handled elsewhere
        if(nowts < startTime.add(period)) {
            rate = 250;
        } else if(nowts < startTime.add(period).add(period)) {
            rate = 230;
        } else if(nowts < startTime.add(period).add(period).add(period)) {
            rate = 220;
        } else {
            rate = 200;
        }

        uint256 tokens = _wei.mul(rate);
        // check token cap
        uint256 remaining = tokensRemaining();
        require(remaining >= tokens);
        // if remaining tokens cannot be purchased (at current rate) then gift to current buyer ... it's a sellout!
        uint256 min_tokens_purchasable = minPurchaseAmt.mul(rate);
        remaining = remaining.sub(tokens);
        if(remaining < min_tokens_purchasable) {
            tokens = tokens.add(remaining);
        }
        return tokens;
    }
}

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)

0000000000000000000000003a1bda28adb5b0a812a7cf10a1950c920f79bcd3000000000000000000000000000000000000000000000000000000005a259b30000000000000000000000000000000000000000000000000000000005a6f6f30000000000000000000000000158f3a8d816d61f80c8db36fd6c48b57ecef0ad4

-----Decoded View---------------
Arg [0] : _token (address): 0x3a1Bda28AdB5B0a812a7CF10A1950c920F79BcD3
Arg [1] : _startTime (uint256): 1512414000
Arg [2] : _endTime (uint256): 1517252400
Arg [3] : _ethWallet (address): 0x158F3A8D816D61F80C8DB36fD6C48B57Ecef0AD4

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 0000000000000000000000003a1bda28adb5b0a812a7cf10a1950c920f79bcd3
Arg [1] : 000000000000000000000000000000000000000000000000000000005a259b30
Arg [2] : 000000000000000000000000000000000000000000000000000000005a6f6f30
Arg [3] : 000000000000000000000000158f3a8d816d61f80c8db36fd6c48b57ecef0ad4


Swarm Source

bzzr://a6d42bcfc93a52735bc1cea7263df73784719e02be061bdd98b8d6e8211e30d0

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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.