Contract 0xf6ca4bde4f6df4d733090476e5052f26da37d8ff

 

TxHash Block Age From To Value [TxFee]
0x1cf8aad7dbc61aae8eeb43cd2573151517269ca2503f8064f44cb2e90ce4be9372195865 days 15 hrs ago0x2ed986620cf0cb7da16fe6b7326ae8c6a5d835e9 IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.081337137157776 Ether0.0056171
0x63bbed7d70f55a065dfb0a1c8c219a001a10abc430c0a77370b6924ed01f6db3713329723 days 20 hrs ago0x6dbe901d689f5481522663989f84b1416019815f IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.427194897404273 Ether0.0054158
0x4d297a74f8532b36143c637b4619c95b3d22bd4517361e99275a88b0bbbe32b6713250224 days 11 mins ago0xa5cd3bc3f3d34b3a716111643e19db88bfa649c7 IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.859817900704346 Ether0.00545107
0xc2fd076ea82f1af206871440051267a6c08846b4aa882a6819e9f23c3095e266711166128 days 3 hrs ago0x6447ff790634d530a7db94d124d25aa6a1172105 IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.833955918987448 Ether0.00442187
0x333b91e9a94a25339363b9797499f531e0ffb0d39a351f2f68e75444e2698260710660929 days 2 hrs ago0x3fb22974f6878655dbc9c20ccfb0a942cded9cec IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.084259259259259 Ether0.00457481
0xe319aad9c6e81b5b7b11f6ac3149302f2133f0a8e35c1cb65f3e6a462682bb1c705744937 days 23 hrs ago0xcef6c9449c378544f713a57f00455ce9b4936a84 IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.079803878193186 Ether0.00602968
0x215264688d473aef2625f8de62058b78f8083003d55db286d23a110864109648698399551 days ago0xe373ab2f10e5a2d60e40ebc929ec38cfc49043d2 IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.073264547136479 Ether0.001035944
0x1f6363509566ee940d660f1ae2df0db7fc0a1e1b4da472f487bc3cc02059817a697790252 days 32 mins ago0x684c71211226caa7f83dc7547d106405496f10e0 IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.745001419666377 Ether0.00617313
0xb91816da77c5d9a05284aab5bbb9cc05ebce49cbd57f895744a0ebc5fc54b112696159254 days 18 hrs ago0xa1998b821c37519889af52f95d1b9dd0d5167d6a IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.781923649760915 Ether0.00521834
0x2d1ea30159361b35d80945dff4714ded48ac71936a4594f669238e3b3375d0c2695713655 days 12 hrs ago0x512eae31031ca9dfa8d9c6f0b3694c0b853b3bab IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0 Ether0.00652803
0xd7227ca64f8a9cf410008b7827c24fd8d4ef8e0765ff2969f02f22539663ae5a694334657 days 20 hrs ago0xa289364347bfc1912ab672425abe593ec01ca56e IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.118005060771069 Ether0.0012663662
0x6412c363d81792039154fdb4a7f6854cd06857d6b2648014c77397773b115b44689688265 days 17 hrs ago0xd53046601e88ea3d7ec29f723ee855ac1ae7ab60 IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff1.166666666666666 Ether0.00522803
0x745d41d45b2170883a2fd8ddd2beea887bdb9a9a4543a843840f7312c5fd4562685517872 days 14 hrs ago0x1bae2e7cb57d699d3362d86964c6e268b19d05ca IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff1.072580645161289 Ether0.00596345
0x9a3737b898a8992b48f5a3308b16334a4d42f5891df8e1502cf5eda78388ff2e682410077 days 18 hrs ago0xe68fc89a36ecfc592ee7f4aef299877ffacaeaec IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.87163579168123 Ether0.00522803
0x0c0650d714f37faa54db7067d9d611512713b9fb8544c6fa67ec221a2ebaf7d7678812383 days 16 hrs ago0xa8ee48eaab6bd037cb992e29f12a7b9da31ea222 IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.086065573770491 Ether0.00596345
0xc3675435ac8dfdefd6992fe714398a8239fc82643da404922e9ff5cf28384d41678798383 days 17 hrs ago0xbad134ce4149417c493f0cdd9629d520884d54ec IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.430327868852458 Ether0.0005308
0x88e1b5c8b9b7da1df3bfa7a0e70cd1f509e707a375f6b8fe31c6d7bcf1ed0ded678791083 days 17 hrs ago0xbad134ce4149417c493f0cdd9629d520884d54ec IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.430327868852458 Ether0.00047772
0xb0530c44b3bf38d45ad23feff2361c5c1ef2689756770e29ca08875c325f1f35678256484 days 14 hrs ago0xfc6963d9441bb7a971d3b0261d42b32dbaf75b29 IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.093574117596071 Ether0.00715614
0x7b0855206a624f3c96dd27a8a55078521d8e03e19bf6d306d321a7b11ea07f15677031986 days 15 hrs ago0x4dd6694d055a82846bda9717720dce3f2906f9b7 IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.448960342871576 Ether0.00611345
0x5abdefd69f00da9ba664753bc9871c111c9d466eb1479580563687496c354ad6675912288 days 11 hrs ago0x50f124eb8e8d42c7a05666e7908b28878779c8e4 IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.831250069270838 Ether0.00522517
0x6aa13e4cf4ffee23eb0503c82429d0f462472e520b9e49b06531aa7c2daa50d6673975091 days 15 hrs ago0xe13ccb8c29e1a921cbd70e1dd5cfe802f9f9d415 IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.232483153072676 Ether0.00673004
0x32c7c96a5136944084faaf39b9d6870f881096ffcc98eeadac691d6bcca20f8b672709493 days 17 hrs ago0x198a123599e65140bfefa096648d968a67c3b807 IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.056039325842696 Ether0.00522803
0xc783f80129861f094b159d6ead58cbf79d92106e1d7763e9667ebd287aa09388671528695 days 16 hrs ago0x6d8311be9b2fd060552f08145a303cdf6c28d8e9 IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.548679867986798 Ether0.00596345
0x575b9bfd00461d8a9e37d798afaefbeefecbf98b138f06c20afea8a059ff6640668996499 days 19 hrs ago0xee80db4997098b2b517223636f15d51a61f3549b IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.046941176470588 Ether0.002124872
0x52409f2ace1864011bd3c599a80b00274876251f7f05776fe4af976bbcc754636678763101 days 15 hrs ago0xebd20448db60014a2839ec4c55aff42e4f2fa2cb IN  0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0.046478809872566 Ether0.00611297
[ Download CSV Export 

Latest 25 Internal Transaction, Click here to view more Internal Transactions as a result of Contract Execution

Parent TxHash Block Age From To Value
0x1cf8aad7dbc61aae8eeb43cd2573151517269ca2503f8064f44cb2e90ce4be9372195865 days 15 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.0813371371577766 Ether
0x63bbed7d70f55a065dfb0a1c8c219a001a10abc430c0a77370b6924ed01f6db3713329723 days 20 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.4271948974042737 Ether
0x4d297a74f8532b36143c637b4619c95b3d22bd4517361e99275a88b0bbbe32b6713250224 days 11 mins ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.8598179007043461 Ether
0xc2fd076ea82f1af206871440051267a6c08846b4aa882a6819e9f23c3095e266711166128 days 3 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.833955918987448 Ether
0x333b91e9a94a25339363b9797499f531e0ffb0d39a351f2f68e75444e2698260710660929 days 2 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.08425925925925923 Ether
0xe319aad9c6e81b5b7b11f6ac3149302f2133f0a8e35c1cb65f3e6a462682bb1c705744937 days 23 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.07980387819318654 Ether
0x215264688d473aef2625f8de62058b78f8083003d55db286d23a110864109648698399551 days ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.07326454713647923 Ether
0x1f6363509566ee940d660f1ae2df0db7fc0a1e1b4da472f487bc3cc02059817a697790252 days 32 mins ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.7450014196663771 Ether
0xb91816da77c5d9a05284aab5bbb9cc05ebce49cbd57f895744a0ebc5fc54b112696159254 days 18 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.7819236497609153 Ether
0xd7227ca64f8a9cf410008b7827c24fd8d4ef8e0765ff2969f02f22539663ae5a694334657 days 20 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.11800506077106947 Ether
0x6412c363d81792039154fdb4a7f6854cd06857d6b2648014c77397773b115b44689688265 days 17 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7551.1666666666666662 Ether
0x745d41d45b2170883a2fd8ddd2beea887bdb9a9a4543a843840f7312c5fd4562685517872 days 14 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7551.0725806451612896 Ether
0x9a3737b898a8992b48f5a3308b16334a4d42f5891df8e1502cf5eda78388ff2e682410077 days 18 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.8716357916812301 Ether
0x0c0650d714f37faa54db7067d9d611512713b9fb8544c6fa67ec221a2ebaf7d7678812383 days 16 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.08606557377049173 Ether
0xb0530c44b3bf38d45ad23feff2361c5c1ef2689756770e29ca08875c325f1f35678256484 days 14 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.09357411759607102 Ether
0x7b0855206a624f3c96dd27a8a55078521d8e03e19bf6d306d321a7b11ea07f15677031986 days 15 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.4489603428715763 Ether
0x5abdefd69f00da9ba664753bc9871c111c9d466eb1479580563687496c354ad6675912288 days 11 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.8312500692708384 Ether
0x6aa13e4cf4ffee23eb0503c82429d0f462472e520b9e49b06531aa7c2daa50d6673975091 days 15 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.23248315307267606 Ether
0x32c7c96a5136944084faaf39b9d6870f881096ffcc98eeadac691d6bcca20f8b672709493 days 17 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.056039325842696584 Ether
0xc783f80129861f094b159d6ead58cbf79d92106e1d7763e9667ebd287aa09388671528695 days 16 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.548679867986798 Ether
0x575b9bfd00461d8a9e37d798afaefbeefecbf98b138f06c20afea8a059ff6640668996499 days 19 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.046941176470588184 Ether
0x52409f2ace1864011bd3c599a80b00274876251f7f05776fe4af976bbcc754636678763101 days 15 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.04647880987256679 Ether
0x5353d4c6a3c3e48f599ee950b2ffe6c9c5ebaa39658b62ea11ada7307a8b14d56675776102 days 3 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.47319734345351014 Ether
0x0cdc2eee75266afd83f0b1fbb8d9b0ea6ada3b3d025105f9aa79b432841872a06671251102 days 20 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.4653237727403034 Ether
0x26113b029857ec7fbb7831cba276869d08f1796bd2bf3ebfdb762ae1b812f7c36666056103 days 17 hrs ago0xf6ca4bde4f6df4d733090476e5052f26da37d8ff0x818e6fecd516ecc3849daf6845e3ec868087b7550.4622335495829469 Ether
[ Download CSV Export 
Warning: The compiled contract might be susceptible to ExpExponentCleanup (medium/high-severity), EventStructWrongData (very low-severity) Solidity Compiler Bugs.

Contract Source Code Verified (Similar Match)
Note: This contract matches the deployed ByteCode of the Verified Source Code for Contract 0x6b70f1bbc1c45200caa4711f5e68af2559cb7b58
Contract Name: IAO
Compiler Version: v0.4.24+commit.e67f0147
Optimization Enabled: Yes
Runs (Optimizer):  200


Contract Source Code
pragma solidity ^0.4.24;

/**
 * @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 OwnershipRenounced(address indexed previousOwner);
  event OwnershipTransferred(
    address indexed previousOwner,
    address indexed newOwner
  );


  /**
   * @dev The Ownable constructor sets the original `owner` of the contract to the sender
   * account.
   */
  constructor() 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 relinquish control of the contract.
   * @notice Renouncing to ownership will leave the contract without an owner.
   * It will not be possible to call the functions with the `onlyOwner`
   * modifier anymore.
   */
  function renounceOwnership() public onlyOwner {
    emit OwnershipRenounced(owner);
    owner = address(0);
  }

  /**
   * @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 {
    _transferOwnership(_newOwner);
  }

  /**
   * @dev Transfers control of the contract to a newOwner.
   * @param _newOwner The address to transfer ownership to.
   */
  function _transferOwnership(address _newOwner) internal {
    require(_newOwner != address(0));
    emit OwnershipTransferred(owner, _newOwner);
    owner = _newOwner;
  }
}


/**
 * @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) {
    // Gas optimization: this is cheaper than asserting '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;
    }

    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;
  }
}

/**
 * @title Helps contracts guard against reentrancy attacks.
 * @author Remco Bloemen <[email protected]π.com>, Eenae <[email protected]>
 * @dev If you mark a function `nonReentrant`, you should also
 * mark it `external`.
 */
contract ReentrancyGuard {

  /// @dev Constant for unlocked guard state - non-zero to prevent extra gas costs.
  /// See: https://github.com/OpenZeppelin/openzeppelin-solidity/issues/1056
  uint private constant REENTRANCY_GUARD_FREE = 1;

  /// @dev Constant for locked guard state
  uint private constant REENTRANCY_GUARD_LOCKED = 2;

  /**
   * @dev We use a single lock for the whole contract.
   */
  uint private reentrancyLock = REENTRANCY_GUARD_FREE;

  /**
   * @dev Prevents a contract from calling itself, directly or indirectly.
   * If you mark a function `nonReentrant`, you should also
   * mark it `external`. Calling one `nonReentrant` function from
   * another is not supported. Instead, you can implement a
   * `private` function doing the actual work, and an `external`
   * wrapper marked as `nonReentrant`.
   */
  modifier nonReentrant() {
    require(reentrancyLock == REENTRANCY_GUARD_FREE);
    reentrancyLock = REENTRANCY_GUARD_LOCKED;
    _;
    reentrancyLock = REENTRANCY_GUARD_FREE;
  }

}


/**
 * @title ERC20Basic
 * @dev Simpler version of ERC20 interface
 * See https://github.com/ethereum/EIPs/issues/179
 */
contract ERC20Basic {
  function totalSupply() public view returns (uint256);
  function balanceOf(address _who) public view 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 view 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 DetailedERC20 token
 * @dev The decimals are only for visualization purposes.
 * All the operations are done using the smallest and indivisible token unit,
 * just as on Ethereum all the operations are done in wei.
 */
contract DetailedERC20 is ERC20 {
  string public name;
  string public symbol;
  uint8 public decimals;

  constructor(string _name, string _symbol, uint8 _decimals) public {
    name = _name;
    symbol = _symbol;
    decimals = _decimals;
  }
}


/// @dev The token controller contract must implement these functions
contract TokenController {
    /// @notice Called when `_owner` sends ether to the MiniMe Token contract
    /// @param _owner The address that sent the ether to create tokens
    /// @return True if the ether is accepted, false if it throws
    function proxyPayment(address _owner) public payable returns(bool);

    /// @notice Notifies the controller about a token transfer allowing the
    ///  controller to react if desired
    /// @param _from The origin of the transfer
    /// @param _to The destination of the transfer
    /// @param _amount The amount of the transfer
    /// @return False if the controller does not authorize the transfer
    function onTransfer(address _from, address _to, uint _amount) public returns(bool);

    /// @notice Notifies the controller about an approval allowing the
    ///  controller to react if desired
    /// @param _owner The address that calls `approve()`
    /// @param _spender The spender in the `approve()` call
    /// @param _amount The amount in the `approve()` call
    /// @return False if the controller does not authorize the approval
    function onApprove(address _owner, address _spender, uint _amount) public
        returns(bool);
}

/*
    Copyright 2016, Jordi Baylina

    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

/// @title MiniMeToken Contract
/// @author Jordi Baylina
/// @dev This token contract's goal is to make it easy for anyone to clone this
///  token using the token distribution at a given block, this will allow DAO's
///  and DApps to upgrade their features in a decentralized manner without
///  affecting the original token
/// @dev It is ERC20 compliant, but still needs to under go further testing.

contract ApproveAndCallFallBack {
    function receiveApproval(address from, uint256 _amount, address _token, bytes _data) public;
}

/// @dev The actual token contract, the default owner is the msg.sender
///  that deploys the contract, so usually this token will be deployed by a
///  token owner contract, which Giveth will call a "Campaign"
contract MiniMeToken is Ownable {

    string public name;                //The Token's name: e.g. DigixDAO Tokens
    uint8 public decimals;             //Number of decimals of the smallest unit
    string public symbol;              //An identifier: e.g. REP
    string public version = 'MMT_0.2'; //An arbitrary versioning scheme


    /// @dev `Checkpoint` is the structure that attaches a block number to a
    ///  given value, the block number attached is the one that last changed the
    ///  value
    struct  Checkpoint {

        // `fromBlock` is the block number that the value was generated from
        uint128 fromBlock;

        // `value` is the amount of tokens at a specific block number
        uint128 value;
    }

    // `parentToken` is the Token address that was cloned to produce this token;
    //  it will be 0x0 for a token that was not cloned
    MiniMeToken public parentToken;

    // `parentSnapShotBlock` is the block number from the Parent Token that was
    //  used to determine the initial distribution of the Clone Token
    uint public parentSnapShotBlock;

    // `creationBlock` is the block number that the Clone Token was created
    uint public creationBlock;

    // `balances` is the map that tracks the balance of each address, in this
    //  contract when the balance changes the block number that the change
    //  occurred is also included in the map
    mapping (address => Checkpoint[]) balances;

    // `allowed` tracks any extra transfer rights as in all ERC20 tokens
    mapping (address => mapping (address => uint256)) allowed;

    // Tracks the history of the `totalSupply` of the token
    Checkpoint[] totalSupplyHistory;

    // Flag that determines if the token is transferable or not.
    bool public transfersEnabled;

    // The factory used to create new clone tokens
    MiniMeTokenFactory public tokenFactory;

////////////////
// Constructor
////////////////

    /// @notice Constructor to create a MiniMeToken
    /// @param _tokenFactory The address of the MiniMeTokenFactory contract that
    ///  will create the Clone token contracts, the token factory needs to be
    ///  deployed first
    /// @param _parentToken Address of the parent token, set to 0x0 if it is a
    ///  new token
    /// @param _parentSnapShotBlock Block of the parent token that will
    ///  determine the initial distribution of the clone token, set to 0 if it
    ///  is a new token
    /// @param _tokenName Name of the new token
    /// @param _decimalUnits Number of decimals of the new token
    /// @param _tokenSymbol Token Symbol for the new token
    /// @param _transfersEnabled If true, tokens will be able to be transferred
    constructor(
        address _tokenFactory,
        address _parentToken,
        uint _parentSnapShotBlock,
        string _tokenName,
        uint8 _decimalUnits,
        string _tokenSymbol,
        bool _transfersEnabled
    ) public {
        tokenFactory = MiniMeTokenFactory(_tokenFactory);
        name = _tokenName;                                 // Set the name
        decimals = _decimalUnits;                          // Set the decimals
        symbol = _tokenSymbol;                             // Set the symbol
        parentToken = MiniMeToken(_parentToken);
        parentSnapShotBlock = _parentSnapShotBlock;
        transfersEnabled = _transfersEnabled;
        creationBlock = block.number;
    }


///////////////////
// ERC20 Methods
///////////////////

    /// @notice Send `_amount` tokens to `_to` from `msg.sender`
    /// @param _to The address of the recipient
    /// @param _amount The amount of tokens to be transferred
    /// @return Whether the transfer was successful or not
    function transfer(address _to, uint256 _amount) public returns (bool success) {
        require(transfersEnabled);
        doTransfer(msg.sender, _to, _amount);
        return true;
    }

    /// @notice Send `_amount` tokens to `_to` from `_from` on the condition it
    ///  is approved by `_from`
    /// @param _from The address holding the tokens being transferred
    /// @param _to The address of the recipient
    /// @param _amount The amount of tokens to be transferred
    /// @return True if the transfer was successful
    function transferFrom(address _from, address _to, uint256 _amount
    ) public returns (bool success) {

        // The owner of this contract can move tokens around at will,
        //  this is important to recognize! Confirm that you trust the
        //  owner of this contract, which in most situations should be
        //  another open source smart contract or 0x0
        if (msg.sender != owner) {
            require(transfersEnabled);

            // The standard ERC 20 transferFrom functionality
            require(allowed[_from][msg.sender] >= _amount);
            allowed[_from][msg.sender] -= _amount;
        }
        doTransfer(_from, _to, _amount);
        return true;
    }

    /// @dev This is the actual transfer function in the token contract, it can
    ///  only be called by other functions in this contract.
    /// @param _from The address holding the tokens being transferred
    /// @param _to The address of the recipient
    /// @param _amount The amount of tokens to be transferred
    /// @return True if the transfer was successful
    function doTransfer(address _from, address _to, uint _amount
    ) internal {

           if (_amount == 0) {
               emit Transfer(_from, _to, _amount);    // Follow the spec to louch the event when transfer 0
               return;
           }

           require(parentSnapShotBlock < block.number);

           // Do not allow transfer to 0x0 or the token contract itself
           require((_to != 0) && (_to != address(this)));

           // If the amount being transfered is more than the balance of the
           //  account the transfer throws
           uint previousBalanceFrom = balanceOfAt(_from, block.number);

           require(previousBalanceFrom >= _amount);

           // Alerts the token owner of the transfer
           if (isContract(owner)) {
               require(TokenController(owner).onTransfer(_from, _to, _amount));
           }

           // First update the balance array with the new value for the address
           //  sending the tokens
           updateValueAtNow(balances[_from], previousBalanceFrom - _amount);

           // Then update the balance array with the new value for the address
           //  receiving the tokens
           uint previousBalanceTo = balanceOfAt(_to, block.number);
           require(previousBalanceTo + _amount >= previousBalanceTo); // Check for overflow
           updateValueAtNow(balances[_to], previousBalanceTo + _amount);

           // An event to make the transfer easy to find on the blockchain
           emit Transfer(_from, _to, _amount);

    }

    /// @param _owner The address that's balance is being requested
    /// @return The balance of `_owner` at the current block
    function balanceOf(address _owner) public constant returns (uint256 balance) {
        return balanceOfAt(_owner, block.number);
    }

    /// @notice `msg.sender` approves `_spender` to spend `_amount` tokens on
    ///  its behalf. This is a modified version of the ERC20 approve function
    ///  to be a little bit safer
    /// @param _spender The address of the account able to transfer the tokens
    /// @param _amount The amount of tokens to be approved for transfer
    /// @return True if the approval was successful
    function approve(address _spender, uint256 _amount) public returns (bool success) {
        require(transfersEnabled);

        // To change the approve amount you first have to reduce the addresses`
        //  allowance to zero by calling `approve(_spender,0)` if it is not
        //  already 0 to mitigate the race condition described here:
        //  https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
        require((_amount == 0) || (allowed[msg.sender][_spender] == 0));

        // Alerts the token owner of the approve function call
        if (isContract(owner)) {
            require(TokenController(owner).onApprove(msg.sender, _spender, _amount));
        }

        allowed[msg.sender][_spender] = _amount;
        emit Approval(msg.sender, _spender, _amount);
        return true;
    }

    /// @dev This function makes it easy to read the `allowed[]` map
    /// @param _owner The address of the account that owns the token
    /// @param _spender The address of the account able to transfer the tokens
    /// @return Amount of remaining tokens of _owner that _spender is allowed
    ///  to spend
    function allowance(address _owner, address _spender
    ) public constant returns (uint256 remaining) {
        return allowed[_owner][_spender];
    }

    /// @notice `msg.sender` approves `_spender` to send `_amount` tokens on
    ///  its behalf, and then a function is triggered in the contract that is
    ///  being approved, `_spender`. This allows users to use their tokens to
    ///  interact with contracts in one function call instead of two
    /// @param _spender The address of the contract able to transfer the tokens
    /// @param _amount The amount of tokens to be approved for transfer
    /// @return True if the function call was successful
    function approveAndCall(address _spender, uint256 _amount, bytes _extraData
    ) public returns (bool success) {
        require(approve(_spender, _amount));

        ApproveAndCallFallBack(_spender).receiveApproval(
            msg.sender,
            _amount,
            this,
            _extraData
        );

        return true;
    }

    /// @dev This function makes it easy to get the total number of tokens
    /// @return The total number of tokens
    function totalSupply() public constant returns (uint) {
        return totalSupplyAt(block.number);
    }


////////////////
// Query balance and totalSupply in History
////////////////

    /// @dev Queries the balance of `_owner` at a specific `_blockNumber`
    /// @param _owner The address from which the balance will be retrieved
    /// @param _blockNumber The block number when the balance is queried
    /// @return The balance at `_blockNumber`
    function balanceOfAt(address _owner, uint _blockNumber) public constant
        returns (uint) {

        // These next few lines are used when the balance of the token is
        //  requested before a check point was ever created for this token, it
        //  requires that the `parentToken.balanceOfAt` be queried at the
        //  genesis block for that token as this contains initial balance of
        //  this token
        if ((balances[_owner].length == 0)
            || (balances[_owner][0].fromBlock > _blockNumber)) {
            if (address(parentToken) != 0) {
                return parentToken.balanceOfAt(_owner, min(_blockNumber, parentSnapShotBlock));
            } else {
                // Has no parent
                return 0;
            }

        // This will return the expected balance during normal situations
        } else {
            return getValueAt(balances[_owner], _blockNumber);
        }
    }

    /// @notice Total amount of tokens at a specific `_blockNumber`.
    /// @param _blockNumber The block number when the totalSupply is queried
    /// @return The total amount of tokens at `_blockNumber`
    function totalSupplyAt(uint _blockNumber) public constant returns(uint) {

        // These next few lines are used when the totalSupply of the token is
        //  requested before a check point was ever created for this token, it
        //  requires that the `parentToken.totalSupplyAt` be queried at the
        //  genesis block for this token as that contains totalSupply of this
        //  token at this block number.
        if ((totalSupplyHistory.length == 0)
            || (totalSupplyHistory[0].fromBlock > _blockNumber)) {
            if (address(parentToken) != 0) {
                return parentToken.totalSupplyAt(min(_blockNumber, parentSnapShotBlock));
            } else {
                return 0;
            }

        // This will return the expected totalSupply during normal situations
        } else {
            return getValueAt(totalSupplyHistory, _blockNumber);
        }
    }

////////////////
// Clone Token Method
////////////////

    /// @notice Creates a new clone token with the initial distribution being
    ///  this token at `_snapshotBlock`
    /// @param _cloneTokenName Name of the clone token
    /// @param _cloneDecimalUnits Number of decimals of the smallest unit
    /// @param _cloneTokenSymbol Symbol of the clone token
    /// @param _snapshotBlock Block when the distribution of the parent token is
    ///  copied to set the initial distribution of the new clone token;
    ///  if the block is zero than the actual block, the current block is used
    /// @param _transfersEnabled True if transfers are allowed in the clone
    /// @return The address of the new MiniMeToken Contract
    function createCloneToken(
        string _cloneTokenName,
        uint8 _cloneDecimalUnits,
        string _cloneTokenSymbol,
        uint _snapshotBlock,
        bool _transfersEnabled
        ) public returns(address) {
        if (_snapshotBlock == 0) _snapshotBlock = block.number;
        MiniMeToken cloneToken = tokenFactory.createCloneToken(
            this,
            _snapshotBlock,
            _cloneTokenName,
            _cloneDecimalUnits,
            _cloneTokenSymbol,
            _transfersEnabled
            );

        cloneToken.transferOwnership(msg.sender);

        // An event to make the token easy to find on the blockchain
        emit NewCloneToken(address(cloneToken), _snapshotBlock);
        return address(cloneToken);
    }

////////////////
// Generate and destroy tokens
////////////////

    /// @notice Generates `_amount` tokens that are assigned to `_owner`
    /// @param _owner The address that will be assigned the new tokens
    /// @param _amount The quantity of tokens generated
    /// @return True if the tokens are generated correctly
    function generateTokens(address _owner, uint _amount
    ) public onlyOwner returns (bool) {
        uint curTotalSupply = totalSupply();
        require(curTotalSupply + _amount >= curTotalSupply); // Check for overflow
        uint previousBalanceTo = balanceOf(_owner);
        require(previousBalanceTo + _amount >= previousBalanceTo); // Check for overflow
        updateValueAtNow(totalSupplyHistory, curTotalSupply + _amount);
        updateValueAtNow(balances[_owner], previousBalanceTo + _amount);
        emit Transfer(0, _owner, _amount);
        return true;
    }


    /// @notice Burns `_amount` tokens from `_owner`
    /// @param _owner The address that will lose the tokens
    /// @param _amount The quantity of tokens to burn
    /// @return True if the tokens are burned correctly
    function destroyTokens(address _owner, uint _amount
    ) onlyOwner public returns (bool) {
        uint curTotalSupply = totalSupply();
        require(curTotalSupply >= _amount);
        uint previousBalanceFrom = balanceOf(_owner);
        require(previousBalanceFrom >= _amount);
        updateValueAtNow(totalSupplyHistory, curTotalSupply - _amount);
        updateValueAtNow(balances[_owner], previousBalanceFrom - _amount);
        emit Transfer(_owner, 0, _amount);
        return true;
    }

////////////////
// Enable tokens transfers
////////////////


    /// @notice Enables token holders to transfer their tokens freely if true
    /// @param _transfersEnabled True if transfers are allowed in the clone
    function enableTransfers(bool _transfersEnabled) public onlyOwner {
        transfersEnabled = _transfersEnabled;
    }

////////////////
// Internal helper functions to query and set a value in a snapshot array
////////////////

    /// @dev `getValueAt` retrieves the number of tokens at a given block number
    /// @param checkpoints The history of values being queried
    /// @param _block The block number to retrieve the value at
    /// @return The number of tokens being queried
    function getValueAt(Checkpoint[] storage checkpoints, uint _block
    ) constant internal returns (uint) {
        if (checkpoints.length == 0) return 0;

        // Shortcut for the actual value
        if (_block >= checkpoints[checkpoints.length-1].fromBlock)
            return checkpoints[checkpoints.length-1].value;
        if (_block < checkpoints[0].fromBlock) return 0;

        // Binary search of the value in the array
        uint min = 0;
        uint max = checkpoints.length-1;
        while (max > min) {
            uint mid = (max + min + 1)/ 2;
            if (checkpoints[mid].fromBlock<=_block) {
                min = mid;
            } else {
                max = mid-1;
            }
        }
        return checkpoints[min].value;
    }

    /// @dev `updateValueAtNow` used to update the `balances` map and the
    ///  `totalSupplyHistory`
    /// @param checkpoints The history of data being updated
    /// @param _value The new number of tokens
    function updateValueAtNow(Checkpoint[] storage checkpoints, uint _value
    ) internal  {
        if ((checkpoints.length == 0)
        || (checkpoints[checkpoints.length -1].fromBlock < block.number)) {
               Checkpoint storage newCheckPoint = checkpoints[ checkpoints.length++ ];
               newCheckPoint.fromBlock =  uint128(block.number);
               newCheckPoint.value = uint128(_value);
           } else {
               Checkpoint storage oldCheckPoint = checkpoints[checkpoints.length-1];
               oldCheckPoint.value = uint128(_value);
           }
    }

    /// @dev Internal function to determine if an address is a contract
    /// @param _addr The address being queried
    /// @return True if `_addr` is a contract
    function isContract(address _addr) constant internal returns(bool) {
        uint size;
        if (_addr == 0) return false;
        assembly {
            size := extcodesize(_addr)
        }
        return size>0;
    }

    /// @dev Helper function to return a min betwen the two uints
    function min(uint a, uint b) pure internal returns (uint) {
        return a < b ? a : b;
    }

    /// @notice The fallback function: If the contract's owner has not been
    ///  set to 0, then the `proxyPayment` method is called which relays the
    ///  ether and creates tokens as described in the token owner contract
    function () public payable {
        require(isContract(owner));
        require(TokenController(owner).proxyPayment.value(msg.value)(msg.sender));
    }

//////////
// Safety Methods
//////////

    /// @notice This method can be used by the owner to extract mistakenly
    ///  sent tokens to this contract.
    /// @param _token The address of the token contract that you want to recover
    ///  set to 0 in case you want to extract ether.
    function claimTokens(address _token) public onlyOwner {
        if (_token == 0x0) {
            owner.transfer(address(this).balance);
            return;
        }

        MiniMeToken token = MiniMeToken(_token);
        uint balance = token.balanceOf(this);
        token.transfer(owner, balance);
        emit ClaimedTokens(_token, owner, balance);
    }

////////////////
// Events
////////////////
    event ClaimedTokens(address indexed _token, address indexed _owner, uint _amount);
    event Transfer(address indexed _from, address indexed _to, uint256 _amount);
    event NewCloneToken(address indexed _cloneToken, uint _snapshotBlock);
    event Approval(
        address indexed _owner,
        address indexed _spender,
        uint256 _amount
        );

}


////////////////
// MiniMeTokenFactory
////////////////

/// @dev This contract is used to generate clone contracts from a contract.
///  In solidity this is the way to create a contract from a contract of the
///  same class
contract MiniMeTokenFactory {
    event CreatedToken(string symbol, address addr);

    /// @notice Update the DApp by creating a new token with new functionalities
    ///  the msg.sender becomes the owner of this clone token
    /// @param _parentToken Address of the token being cloned
    /// @param _snapshotBlock Block of the parent token that will
    ///  determine the initial distribution of the clone token
    /// @param _tokenName Name of the new token
    /// @param _decimalUnits Number of decimals of the new token
    /// @param _tokenSymbol Token Symbol for the new token
    /// @param _transfersEnabled If true, tokens will be able to be transferred
    /// @return The address of the new token contract
    function createCloneToken(
        address _parentToken,
        uint _snapshotBlock,
        string _tokenName,
        uint8 _decimalUnits,
        string _tokenSymbol,
        bool _transfersEnabled
    ) public returns (MiniMeToken) {
        MiniMeToken newToken = new MiniMeToken(
            this,
            _parentToken,
            _snapshotBlock,
            _tokenName,
            _decimalUnits,
            _tokenSymbol,
            _transfersEnabled
            );

        newToken.transferOwnership(msg.sender);
        emit CreatedToken(_tokenSymbol, address(newToken));
        return newToken;
    }
}

/// @title Kyber Network interface
interface KyberNetworkProxyInterface {
    function maxGasPrice() public view returns(uint);
    function getUserCapInWei(address user) public view returns(uint);
    function getUserCapInTokenWei(address user, DetailedERC20 token) public view returns(uint);
    function enabled() public view returns(bool);
    function info(bytes32 id) public view returns(uint);

    function getExpectedRate(DetailedERC20 src, DetailedERC20 dest, uint srcQty) public view
        returns (uint expectedRate, uint slippageRate);

    function tradeWithHint(DetailedERC20 src, uint srcAmount, DetailedERC20 dest, address destAddress, uint maxDestAmount,
        uint minConversionRate, address walletId, bytes hint) public payable returns(uint);
}


contract IAO is Ownable, ReentrancyGuard, TokenController {
    using SafeMath for uint256;

    modifier onlyActive {
        require(isActive, "IAO is not active");
        _;
    }

    DetailedERC20 constant internal ETH_TOKEN_ADDRESS = DetailedERC20(0x00eeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee);

    uint256 constant PRECISION = 10 ** 18; // we use 18 decimals
    uint256 constant MAX_DONATION = 100 * (10 ** 18); // max donation is 100 DAI
    uint256 constant KRO_RATE = 5 * (10 ** 17); // 1 DAI == 0.5 KRO
    uint256 constant REFERRAL_BONUS = 10 * (10 ** 16); // 10% bonus for getting referred
    address constant DAI_ADDR = 0x89d24A6b4CcB1B6fAA2625fE562bDD9a23260359;
    address constant KYBER_ADDR = 0x818E6FECD516Ecc3849DAf6845e3EC868087B755;

    address public kroAddr;
    address public beneficiary;
    bytes32 public secretHash;
    bool public isActive;

    event Register(address indexed _manager, uint256 indexed _block, uint256 _donationInDAI);


    // admin & internal functions

    constructor (address _kroAddr, address _beneficiary, bytes32 _secretHash) public {
        kroAddr = _kroAddr;
        beneficiary = _beneficiary;
        secretHash = _secretHash;
    }
    

    function setActive(bool _isActive) onlyOwner public {
        isActive = _isActive;
    }


    function transferKROContractOwnership(address _newOwner, string _secret) public onlyOwner {
        require(!isActive, "IAO is not over"); // can only transfer ownership when IAO is over
        require(keccak256(abi.encodePacked(_secret)) == secretHash, "Secret incorrect"); // need to provide the correct secret

        // transfer ownership
        Ownable kro = Ownable(kroAddr);
        kro.transferOwnership(_newOwner);
    }


    function _register(uint256 _donationInDAI, address _referrer) internal onlyActive {
        require(_donationInDAI > 0 && _donationInDAI <= MAX_DONATION, "Donation out of range");
        require(_referrer != msg.sender, "Can't refer self");

        MiniMeToken kro = MiniMeToken(kroAddr);
        require(kro.balanceOf(msg.sender) == 0, "Already joined"); // each address can only join the IAO once

        // mint KRO for msg.sender
        uint256 kroAmount = _donationInDAI.mul(KRO_RATE).div(PRECISION);
        require(kro.generateTokens(msg.sender, kroAmount), "Failed minting");

        // mint KRO for referral program
        if (_referrer != address(0) && kro.balanceOf(_referrer) > 0) {
            uint256 bonusAmount = kroAmount.mul(REFERRAL_BONUS).div(PRECISION);
            require(kro.generateTokens(msg.sender, bonusAmount), "Failed minting sender bonus");
            require(kro.generateTokens(_referrer, bonusAmount), "Failed minting referrer bonus");
        }

        // transfer DAI to beneficiary
        DetailedERC20 dai = DetailedERC20(DAI_ADDR);
        require(dai.transfer(beneficiary, _donationInDAI), "Failed DAI transfer to beneficiary");
        
        // emit events
        emit Register(msg.sender, block.number, _donationInDAI);
    }


    // MiniMe TokenController functions, not used right now

    function proxyPayment(address _owner) public payable returns(bool) {
        return false;
    }


    function onTransfer(address _from, address _to, uint _amount) public returns(bool) {
        return false;
    }


    function onApprove(address _owner, address _spender, uint _amount) public
        returns(bool) {
        return false;
    }


    // registration functions

    function registerWithDAI(uint256 _donationInDAI, address _referrer) public nonReentrant {
        DetailedERC20 dai = DetailedERC20(DAI_ADDR);
        require(dai.transferFrom(msg.sender, this, _donationInDAI), "Failed DAI transfer to IAO");
        _register(_donationInDAI, _referrer);
    }


    function registerWithETH(address _referrer) public payable nonReentrant {
        DetailedERC20 dai = DetailedERC20(DAI_ADDR);
        KyberNetworkProxyInterface kyber = KyberNetworkProxyInterface(KYBER_ADDR);
        uint256 daiRate;
        bytes memory hint;

        // trade ETH for DAI
        (,daiRate) = kyber.getExpectedRate(ETH_TOKEN_ADDRESS, dai, msg.value);
        require(daiRate > 0, "Zero price");
        uint256 receivedDAI = kyber.tradeWithHint.value(msg.value)(ETH_TOKEN_ADDRESS, msg.value, dai, this, MAX_DONATION * 2, daiRate, beneficiary, hint);
        
        // if DAI value is greater than maximum allowed, return excess DAI to msg.sender
        if (receivedDAI > MAX_DONATION) {
            require(dai.transfer(msg.sender, receivedDAI.sub(MAX_DONATION)), "Excess DAI transfer failed");
            receivedDAI = MAX_DONATION;
        }

        // register new manager
        _register(receivedDAI, _referrer);
    }

    // _donationInTokens should use the token's precision
    function registerWithToken(address _token, uint256 _donationInTokens, address _referrer) public nonReentrant {
        require(_token != address(0) && _token != address(ETH_TOKEN_ADDRESS) && _token != DAI_ADDR, "Invalid token");
        DetailedERC20 token = DetailedERC20(_token);
        require(token.totalSupply() > 0, "Zero token supply");

        DetailedERC20 dai = DetailedERC20(DAI_ADDR);
        KyberNetworkProxyInterface kyber = KyberNetworkProxyInterface(KYBER_ADDR);
        uint256 daiRate;
        bytes memory hint;

        // transfer tokens to this contract
        require(token.transferFrom(msg.sender, this, _donationInTokens), "Failed token transfer to IAO");

        // trade tokens for DAI
        (,daiRate) = kyber.getExpectedRate(token, dai, _donationInTokens);
        require(daiRate > 0, "Zero price");
        require(token.approve(KYBER_ADDR, 0), "Token allowance prezeroing failed");
        require(token.approve(KYBER_ADDR, _donationInTokens), "Token approval failed");
        uint256 receivedDAI = kyber.tradeWithHint(token, _donationInTokens, dai, this, MAX_DONATION * 2, daiRate, beneficiary, hint);
        require(token.approve(KYBER_ADDR, 0), "Token allowance postzeroing failed");

        // if DAI value is greater than maximum allowed, return excess DAI to msg.sender
        if (receivedDAI > MAX_DONATION) {
            require(dai.transfer(msg.sender, receivedDAI.sub(MAX_DONATION)), "Excess DAI transfer failed");
            receivedDAI = MAX_DONATION;
        }

        // register new manager
        _register(receivedDAI, _referrer);
    }


    function () public payable nonReentrant {
        registerWithETH(address(0));
    }
}

Contract ABI
[{"constant":true,"inputs":[],"name":"kroAddr","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"isActive","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"beneficiary","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_amount","type":"uint256"}],"name":"onTransfer","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[],"name":"renounceOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_donationInDAI","type":"uint256"},{"name":"_referrer","type":"address"}],"name":"registerWithDAI","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_isActive","type":"bool"}],"name":"setActive","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_token","type":"address"},{"name":"_donationInTokens","type":"uint256"},{"name":"_referrer","type":"address"}],"name":"registerWithToken","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"secretHash","outputs":[{"name":"","type":"bytes32"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"name":"_referrer","type":"address"}],"name":"registerWithETH","outputs":[],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"},{"name":"_amount","type":"uint256"}],"name":"onApprove","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"_owner","type":"address"}],"name":"proxyPayment","outputs":[{"name":"","type":"bool"}],"payable":true,"stateMutability":"payable","type":"function"},{"constant":false,"inputs":[{"name":"_newOwner","type":"address"},{"name":"_secret","type":"string"}],"name":"transferKROContractOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"inputs":[{"name":"_kroAddr","type":"address"},{"name":"_beneficiary","type":"address"},{"name":"_secretHash","type":"bytes32"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":true,"name":"_manager","type":"address"},{"indexed":true,"name":"_block","type":"uint256"},{"indexed":false,"name":"_donationInDAI","type":"uint256"}],"name":"Register","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"}],"name":"OwnershipRenounced","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"}]

Contract Creation Code
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


   Swarm Source:
bzzr://8c1620f96f9e4d57af42bd237ca5dab2d4c5cca9da09c2c9f9f3e89bed22c565
Block Age transaction Difficulty GasUsed Reward
Block Age Uncle Number Difficulty GasUsed Reward
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.