Contract 0x24dDFf6D8B8a42d835af3b440De91f3386554Aa4 2

 
Txn Hash
Method
Block
From
To
Value
0x7c2ec3d5e2e6f8c4f815b8ec35899b07d25c81e7932b84a5f79db707f43f7455Transfer153264002022-08-12 10:06:533 days 14 hrs ago0x95b3fe61fab9b46cd8a37f2f483ede671f8ea850 IN  IUNGO Token0 Ether0.‍00049188 10.‍35059929
0xa0bf87d21beb7b2fac459b57c660d24faa83e111caec86c3cc2959c32d58283cApprove152406572022-07-30 0:39:4216 days 23 hrs agoENS Name staystinky.eth IN  IUNGO Token0 Ether0.‍00047981 10.‍34896607
0xaba001a17b18b266f1a8ebacd219c01006eef2935f073e58f9aeea03df758da4Transfer151725882022-07-19 10:41:5727 days 13 hrs ago0x4579af8bdaced4da019efb3fe392725a34629676 IN  IUNGO Token0 Ether0.‍0020991169
0x6b97859b49d63d23a1749af8803d2108b537af017cccfdb31ff01ae728723e8eTransfer151661162022-07-18 10:40:5828 days 13 hrs agoENS Name v0lkan.eth IN  IUNGO Token0 Ether0.‍00085617 18.‍01649099
0xf8ffeb62c9dc4a29964b616bc1bcc60b70f39af28425b8dfe73d630896e4ac54Approve151534432022-07-16 11:23:3430 days 12 hrs ago0x37d656d760b34138ece3d27c97266be53ac0478e IN  IUNGO Token0 Ether0.‍00036251 7.‍81898532
0xc5249dce394de913acaccb8a7c6843115491624ec6abbb1768f6107e2b234187Transfer142500162022-02-21 14:39:37175 days 9 hrs ago0x2bfbb8c3eb23bec868f9f095566408651a342ebf IN  IUNGO Token0 Ether0.‍00438249144
0xe4a96ec70ffbef063257fb81949a7c2389a1ad2f1c5895700ef1ce0e4acba8a0Transfer142434862022-02-20 14:38:37176 days 9 hrs agoENS Name v0lkan.eth IN  IUNGO Token0 Ether0.‍00329759 69.‍37335085
0x2ecd9c59f46b51f59ede26b6081e5984952707b3227a1803cc7908948db8abdbTransfer139312812022-01-03 7:52:13224 days 16 hrs agoKuCoin 3 IN  IUNGO Token0 Ether0.‍00349026118.‍16194192
0xabe91d274416f4db83b6d41f011b8192f568c78bbd85c00f1920c3b63488b6a4Approve139037032021-12-30 1:15:44228 days 22 hrs ago0xc1e604f523c847048c39c5f4deb25339ed509207 IN  IUNGO Token0 Ether0.‍00470935 101.‍5736336
0x82c6bed3d2c12c47f61bf74fb66e13ca9150630fcaca5ca52c7a5647f8060207Transfer138860222021-12-27 7:52:18231 days 16 hrs agoKuCoin 3 IN  IUNGO Token0 Ether0.‍002685556.‍48220387
0x40a1f25e490a391f3fce6a140cc1222270e005237332a04c064cc357e58a97cbApprove138550942021-12-22 12:47:14236 days 11 hrs ago0x9960060324d7ba3d1ae96dbe0a6a25e9e9b0b555 IN  IUNGO Token0 Ether0.‍00125216 52
0x4503a88ee626196f2b0c067bceea71985fd471aba2fb98364a2a2f8e0bdcb3e7Transfer133762602021-10-08 5:14:18311 days 18 hrs ago0xaaf982b1f06469f7bdfd8b65158f9c2649810cc0 IN  IUNGO Token0 Ether0.‍0042791490.‍00000145
0x9a8ccf4851f990f50f925d3a803e844d67def917a1ed156c937d151ce9d7ef99Transfer130290282021-08-15 9:48:50365 days 14 hrs ago0x14bf76011804a58e7008952feb95f04662e49a5f IN  IUNGO Token0 Ether0.‍0016621934.‍96857868
0x7bf12b47c41d2fa8a966b724542890ce36017ff3373c260a931ae8fdddd878acTransfer128806792021-07-23 5:09:23388 days 19 hrs ago0x2188f6212ce37dcbfec7e0167d68d9e5e5f07e3a IN  IUNGO Token0 Ether0.‍0005596515
0xcc936ffde94f2fb8820949f4de6fe83371f7709bbcd69293bb7d2e7c61db2b86Transfer127743462021-07-06 14:13:02405 days 9 hrs ago0x9cf705f579b70723dcabd33d2de7fdf0c048c792 IN  IUNGO Token0 Ether0.‍0035317994.‍6
0x5245d14d1c46270284b0c8fc34bd42806b8175e0b79eb9ac94cd0dc75851076bTransfer125103592021-05-26 14:02:18446 days 10 hrs ago0x612112d107743fdb4c64f7990a76b01046bfb812 IN  IUNGO Token0 Ether0.‍0015680242
0xc18a4e132d93168f2f4394172458f7a082e196ef7db1fca5ffc94d3ce44263ffTransfer124922092021-05-23 18:30:06449 days 5 hrs ago0xda9e85cf857d7945503a686f9c2c7de62035bc12 IN  IUNGO Token0 Ether0.‍0026693132
0xb665bf19fe312e2edcbe8fda1f553280a7e23f93940b23df8c604d4f5a49b0e7Transfer124857322021-05-22 18:29:49450 days 5 hrs ago0xddcfdb1dde1b3d05f7d6712d385c197f7a6ef62f IN  IUNGO Token0 Ether0.‍001530241
0xaedd02e585564fc8cc3743f78b310a4189cee8814263740f2ceddf477ebf54e8Transfer123460642021-05-01 4:06:44471 days 20 hrs ago0xd3f23fb916aad82a491563a9945ba67ca4e48e15 IN  IUNGO Token0 Ether0.‍0010321527.‍65535846
0xfbc5f8e2da475c62e97dbc0ad963328f726a533092159cc98f14366d9e93f2fdTransfer123413322021-04-30 10:36:28472 days 13 hrs ago0x29f6447813466c6235f5f2be0f827f42fff89b78 IN  IUNGO Token0 Ether0.‍0012316233
0x94c91387c43c219d02ae58866dade3a0e426827079b32b91a140be8c65272794Transfer122104722021-04-10 6:16:36492 days 17 hrs ago0x3db5c6572a48574c1e6f123b8e6c50044a4e9a4f IN  IUNGO Token0 Ether0.‍0032654587
0xbd4f5763b1b2d309d460e1a0e7ec58a13b0894e4d61714888817f15fd7c5f626Transfer120124012021-03-10 18:23:53523 days 5 hrs ago0xa6f0cb3d062f8ae900b9231bb26ba2deea1a548f IN  IUNGO Token0 Ether0.‍00604003115.‍00000112
0xe420b9e3e11f79ed45521db4831e0ece5140a9a02c94b17de681834717a69efcTransfer118627192021-02-15 17:30:57546 days 6 hrs ago0xa6f0cb3d062f8ae900b9231bb26ba2deea1a548f IN  IUNGO Token0 Ether0.‍00672281128
0x481b6c2588d0eec40fee6cd363a6266fda85e8a1268a7017fac7c8455fb35bb0Transfer117123072021-01-23 14:13:30569 days 9 hrs ago0xe3f4545b29c35063b1992fccb4d646377ece9904 IN  IUNGO Token0 Ether0.‍0032182285.‍71428571
0x67c02c0b77792ab181d05065f877feb5f253b1951c413f6b0d1c0460ab312a64Transfer116952252021-01-20 23:02:59572 days 1 hr ago0x2e15115854e1cfd2be6f13a6ae58dd066f842d85 IN  IUNGO Token0 Ether0.‍0030141980.‍35714285
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0x6b2ff32980e91c3d1726727767ababb51743df52e10ccdac09ea3b521bfb53dc50084152018-01-31 23:58:381657 days 12 mins ago IUNGO Token  Contract Creation0 Ether
0x6b2ff32980e91c3d1726727767ababb51743df52e10ccdac09ea3b521bfb53dc50084152018-01-31 23:58:381657 days 12 mins ago IUNGO Token  Contract Creation0 Ether
0x6b2ff32980e91c3d1726727767ababb51743df52e10ccdac09ea3b521bfb53dc50084152018-01-31 23:58:381657 days 12 mins ago IUNGO Token  Contract Creation0 Ether
0x26c971bb6d9a33b17776ee803674d3f1a221d738ac94b61a3c52a6b7e1c8900a50084122018-01-31 23:57:571657 days 13 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d60.‍4 Ether
0xdd2afb633f142d722a92c08d6cdd5c472a95538e6c2701ae928b960a53be187f50084082018-01-31 23:57:171657 days 13 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d60.‍011 Ether
0xc14c6e5b9a3cfd8585f829b3ebfabd435b9404d8929a6562d6ef9a98a0ab656e50084022018-01-31 23:56:261657 days 14 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d60.‍15 Ether
0xcf1bd3a21c42965525c7804d6c5fb04d4fe38ba4820fd8d7b5e186bd4ca6472f50083892018-01-31 23:53:471657 days 17 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d60.‍1 Ether
0x9a29ff92b35a613bcb7efcaf5b7cdd1fcd5605ac78ea8057ee75dccb1b5d6a7350083872018-01-31 23:53:081657 days 18 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d60.‍27084017 Ether
0xa83d3cf878baaaade3de7a6037f305f3540264a56f4a41ab59a4cc8551cc1f0a50083852018-01-31 23:52:461657 days 18 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d61.‍3 Ether
0x1c030489170ea693f46c09db6099d02b48eb77480876ca8525772c860d58eff650083832018-01-31 23:52:071657 days 19 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d61 Ether
0x8a76f739aee1ec4c083a2d087739189eecca1064ad67c2ddf856f86f60456ff950083812018-01-31 23:51:121657 days 19 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d62.‍09 Ether
0x26acc2b625b7e42a28191a7db2e70982071def38f847790e015ebb1ac1b597da50083812018-01-31 23:51:121657 days 19 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d625 Ether
0x4972cf46857ba375aa25cdd8cd7fd6e62016c030bb6da616f3a534d358d1ef4250083722018-01-31 23:49:321657 days 21 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d60.‍054 Ether
0x981ceb924b9b45a7cfc7a7426152cb1d52ba678b038f1e285336e0d01f930bf750083642018-01-31 23:47:401657 days 23 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d60.‍04362701 Ether
0x8c3668fc7367d59314169572289da52b2a8bbf1bce0878a9754178f6c600458d50083622018-01-31 23:46:411657 days 24 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d61.‍5 Ether
0x669fa33d4dfeeb690bee9c932fafe1a17c43a0e2f219d9d55dd32da7c0a9b51950083602018-01-31 23:46:141657 days 24 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d64.‍99731466 Ether
0x782696c88eb1394af0a456f095ae9baccee08e1f5ef5c49c5c0cca2a9aaa14cf50083602018-01-31 23:46:141657 days 24 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d60.‍2 Ether
0x1b2b3e753c105640654d363d9b83c458bfd22dc6b5559f827fff6544ab3561b450083602018-01-31 23:46:141657 days 24 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d60.‍157 Ether
0xb99782d0731ad125b08e53a8de850b3814a0cf4b12bed28fc31d3327756edbde50083482018-01-31 23:43:351657 days 27 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d60.‍5 Ether
0x4b36ac91e2583528a80e59ef9edec75b390cd89808b6841ace6fc6d5483686ca50083432018-01-31 23:42:471657 days 28 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d61.‍04071987 Ether
0x6cdbe3a35f68b69e6ea2284c283c4d233464ba8182c0c62608b495515dbe51d850083232018-01-31 23:39:181657 days 31 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d60.‍45290623 Ether
0x8a7556e9dffcc46c8afb5d585816c7f991e1edac7697845c1f315b9d88c979aa50083232018-01-31 23:39:181657 days 31 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d60.‍5 Ether
0x1f466f95cd052f9ceb48ad022cd8f21c04b202b2c1eff30ac7d0fff86ca0224350083232018-01-31 23:39:181657 days 31 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d60.‍275 Ether
0xf625ffbbf156c3097c1fe0f2367b9016a0aad64e53c6cf7fe3001447ce632ff650083162018-01-31 23:38:091657 days 32 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d60.‍05 Ether
0xb335a85eb246fe7e97f67021332b022541c595d85668e54e3a39031e9a5e9c2150083152018-01-31 23:37:491657 days 33 mins ago IUNGO Token0x31a633c4ee2c317de2c65beb00593eadd9f172d60.‍08827861 Ether
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Contract Source Code Verified (Exact Match)

Contract Name:
IungoToken

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 2017-12-16
*/

pragma solidity 0.4.18;


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

    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        // assert(b > 0); // Solidity automatically throws when dividing by 0
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold
        return c;
    }

    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        require(b <= a);
        return a - b;
    }

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

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

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

    mapping(address => uint256) public balances;

    /**
    * @dev transfer token for a specified address
    * @param _to The address to transfer to.
    * @param _value The amount to be transferred.
    */
    function transfer(address _to, uint256 _value) public returns (bool) {
        require(_to != address(0));
        require(_value <= balances[msg.sender]);

        // SafeMath.sub will throw if there is not enough balance.
        balances[msg.sender] = balances[msg.sender].sub(_value);
        balances[_to] = balances[_to].add(_value);
        Transfer(msg.sender, _to, _value);
        return true;
    }

    /**
    * @dev Gets the balance of the specified address.
    * @param _owner The address to query the the balance of.
    * @return An uint256 representing the amount owned by the passed address.
    */
    function balanceOf(address _owner) public view returns (uint256 balance) {
        return balances[_owner];
    }

}

/**
 * @title ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20 is ERC20Basic {
    function allowance(address owner, address spender) public 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 SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure.
 * To use this library you can add a `using SafeERC20 for ERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
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));
  }
}

/**
 * @title TokenTimelock
 * @dev TokenTimelock is a token holder contract that will allow a
 * beneficiary to extract the tokens after a given release time
 */
contract TokenTimelock {
  using SafeERC20 for ERC20Basic;

  // ERC20 basic token contract being held
  ERC20Basic public token;

  // beneficiary of tokens after they are released
  address public beneficiary;

  // timestamp when token release is enabled
  uint64 public releaseTime;

  function TokenTimelock(ERC20Basic _token, address _beneficiary, uint64 _releaseTime) public {
    require(_releaseTime > uint64(block.timestamp));
    token = _token;
    beneficiary = _beneficiary;
    releaseTime = _releaseTime;
  }

  /**
   * @notice Transfers tokens held by timelock to beneficiary.
   */
  function release() public {
    require(uint64(block.timestamp) >= releaseTime);

    uint256 amount = token.balanceOf(this);
    require(amount > 0);

    token.safeTransfer(beneficiary, amount);
  }
}

/**
 * @title Standard ERC20 token
 *
 * @dev Implementation of the basic standard token.
 * @dev https://github.com/ethereum/EIPs/issues/20
 * @dev Based on code by FirstBlood: https://github.com/Firstbloodio/token/blob/master/smart_contract/FirstBloodToken.sol
 */
contract StandardToken is ERC20, BasicToken {

    mapping (address => mapping (address => uint256)) internal allowed;


    /**
     * @dev Transfer tokens from one address to another
     * @param _from address The address which you want to send tokens from
     * @param _to address The address which you want to transfer to
     * @param _value uint256 the amount of tokens to be transferred
     */
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool) {
        require(_to != address(0));
        require(_value <= balances[_from]);
        require(_value <= allowed[_from][msg.sender]);

        balances[_from] = balances[_from].sub(_value);
        balances[_to] = balances[_to].add(_value);
        allowed[_from][msg.sender] = allowed[_from][msg.sender].sub(_value);
        Transfer(_from, _to, _value);
        return true;
    }

    /**
     * @dev Approve the passed address to spend the specified amount of tokens on behalf of msg.sender.
     *
     * Beware that changing an allowance with this method brings the risk that someone may use both the old
     * and the new allowance by unfortunate transaction ordering. One possible solution to mitigate this
     * race condition is to first reduce the spender's allowance to 0 and set the desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     * @param _spender The address which will spend the funds.
     * @param _value The amount of tokens to be spent.
     */
    function approve(address _spender, uint256 _value) public returns (bool) {
        allowed[msg.sender][_spender] = _value;
        Approval(msg.sender, _spender, _value);
        return true;
    }

    /**
     * @dev Function to check the amount of tokens that an owner allowed to a spender.
     * @param _owner address The address which owns the funds.
     * @param _spender address The address which will spend the funds.
     * @return A uint256 specifying the amount of tokens still available for the spender.
     */
    function allowance(address _owner, address _spender) public view returns (uint256 remaining) {
        return allowed[_owner][_spender];
    }

    /**
     * approve should be called when allowed[_spender] == 0. To increment
     * allowed value is better to use this function to avoid 2 calls (and wait until
     * the first transaction is mined)
     * From MonolithDAO Token.sol
     */
    function increaseApproval (address _spender, uint _addedValue) public returns (bool success) {
        allowed[msg.sender][_spender] = allowed[msg.sender][_spender].add(_addedValue);
        Approval(msg.sender, _spender, allowed[msg.sender][_spender]);
        return true;
    }

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

}

contract Owned {
    address public owner;

    function Owned() public {
        owner = msg.sender;
    }

    modifier onlyOwner {
        require(msg.sender == owner);
        _;
    }
}

contract IungoToken is StandardToken, Owned {
    string public constant name = "IUNGO token";
    string public constant symbol = "ING";
    uint8 public constant decimals = 18;

    /// Maximum tokens to be allocated (100 million)
    uint256 public constant HARD_CAP = 100000000 * 10**uint256(decimals);

    /// Maximum tokens to be allocated on the sale (64 million)
    uint256 public constant TOKENS_SALE_HARD_CAP = 64000000 * 10**uint256(decimals);

    /// The owner of this address is the Iungo Founders fund
    address public foundersFundAddress;

    /// The owner of this address is the Iungo Team Foundation fund
    address public teamFundAddress;

    /// The owner of this address is the Reserve fund
    address public reserveFundAddress;

    /// This address will be sent all the received ether
    address public fundsTreasury;

    /// This is the address of the timelock contract for 
    /// the first 1/3 of the Founders fund tokens
    address public foundersFundTimelock1Address;

    /// This is the address of the timelock contract for 
    /// the second 1/3 of the Founders fund tokens
    address public foundersFundTimelock2Address;

    /// This is the address of the timelock contract for 
    /// the third 1/3 of the Founders fund tokens
    address public foundersFundTimelock3Address;

    /// seconds since 01.01.1970 to 06.12.2017 12:00:00 UTC
    /// tier 1 start time
    uint64 private constant date06Dec2017 = 1512561600;

    /// seconds since 01.01.1970 to 21.12.2017 14:00:00 UTC
    /// tier 1 end time; tier 2 start time
    uint64 private constant date21Dec2017 = 1513864800;

    /// seconds since 01.01.1970 to 12.01.2018 14:00:00 UTC
    /// tier 2 end time; tier 3 start time
    uint64 private constant date12Jan2018 = 1515765600;

    /// seconds since 01.01.1970 to 21.01.2018 14:00:00 UTC
    /// tier 3 end time; tier 4 start time
    uint64 private constant date21Jan2018 = 1516543200;

    /// seconds since 01.01.1970 to 31.01.2018 23:59:59 UTC
    /// tier 4 end time; closing token sale; trading open
    uint64 private constant date31Jan2018 = 1517443199;

    /// Base exchange rate is set to 1 ETH = 1000 ING
    uint256 public constant BASE_RATE = 1000;

    /// no tokens can be ever issued when this is set to "true"
    bool public tokenSaleClosed = false;

    /// Issue event index starting from 0.
    uint256 public issueIndex = 0;

    /// Emitted for each sucuessful token purchase.
    event Issue(uint _issueIndex, address addr, uint tokenAmount);

    /// Require that the buyers can still purchase
    modifier inProgress {
        require(totalSupply < TOKENS_SALE_HARD_CAP
                && !tokenSaleClosed
                && !saleDue());
        _;
    }

    /// Allow the closing to happen only once 
    modifier beforeEnd {
        require(!tokenSaleClosed);
        _;
    }

    /// Require that the end of the sale has passed (time is 01 Feb 2018 or later)
    modifier tradingOpen {
        require(saleDue());
        _;
    }

    /**
     * CONSTRUCTOR
     *
     * @dev Initialize the IungoToken Token
     * @param _foundersFundAddress The owner of this address is the Iungo Founders fund
     * @param _teamFundAddress The owner of this address is the Iungo Team Foundation fund
     * @param _reserveFundAddress The owner of this address is the Reserve fund
     */
    function IungoToken (address _foundersFundAddress, address _teamFundAddress,
                         address _reserveFundAddress, address _fundsTreasury) public {
        foundersFundAddress = 0x9CB0016511Fb93EAc7bC585A2bc2f0C34DEcEa15;
        teamFundAddress = 0xDda7003998244f6161A5BBAf0F4ed5a40E908b51;
        reserveFundAddress = 0x9186b48Db83E63adEDaB43C19345f39c83928E3f;
        fundsTreasury = 0x31a633c4eE2C317DE2C65beb00593EAdD9f172d6;
    }

    /// @dev Returns the current price.
    function price() public view returns (uint256 tokens) {
        return computeTokenAmount(1 ether);
    }

    /// @dev This default function allows token to be purchased by directly
    /// sending ether to this smart contract.
    function () public payable {
        purchaseTokens(msg.sender);
    }

    /// @dev Issue token based on Ether received.
    /// @param _beneficiary Address that newly issued token will be sent to.
    function purchaseTokens(address _beneficiary) public payable inProgress {
        // only accept a minimum amount of ETH?
        require(msg.value >= 0.01 ether);

        uint256 tokens = computeTokenAmount(msg.value);
        doIssueTokens(_beneficiary, tokens);

        /// forward the raised funds to the fund address
        fundsTreasury.transfer(msg.value);
    }

    /// @dev Batch issue tokens on the presale
    /// @param _addresses addresses that the presale tokens will be sent to.
    /// @param _addresses the amounts of tokens, with decimals expanded (full).
    function issueTokensMulti(address[] _addresses, uint256[] _tokens) public onlyOwner inProgress {
        require(_addresses.length == _tokens.length);
        require(_addresses.length <= 100);

        for (uint256 i = 0; i < _tokens.length; i = i.add(1)) {
            doIssueTokens(_addresses[i], _tokens[i]);
        }
    }

    /// @dev Issue tokens for a single buyer on the presale
    /// @param _beneficiary addresses that the presale tokens will be sent to.
    /// @param _tokensAmount the amount of tokens, with decimals expanded (full).
    function issueTokens(address _beneficiary, uint256 _tokensAmount) public onlyOwner inProgress {
        doIssueTokens(_beneficiary, _tokensAmount);
    }

    /// @dev issue tokens for a single buyer
    /// @param _beneficiary addresses that the tokens will be sent to.
    /// @param _tokensAmount the amount of tokens, with decimals expanded (full).
    function doIssueTokens(address _beneficiary, uint256 _tokensAmount) internal {
        require(_beneficiary != address(0));

        // compute without actually increasing it
        uint256 increasedTotalSupply = totalSupply.add(_tokensAmount);
        // roll back if hard cap reached
        require(increasedTotalSupply <= TOKENS_SALE_HARD_CAP);

        // increase token total supply
        totalSupply = increasedTotalSupply;
        // update the buyer's balance to number of tokens sent
        balances[_beneficiary] = balances[_beneficiary].add(_tokensAmount);
        // event is fired when tokens issued
        Issue(
            issueIndex++,
            _beneficiary,
            _tokensAmount
        );
    }

    /// @dev Compute the amount of ING token that can be purchased.
    /// @param ethAmount Amount of Ether to purchase ING.
    /// @return Amount of ING token to purchase
    function computeTokenAmount(uint256 ethAmount) internal view returns (uint256 tokens) {
        /// the percentage value (0-100) of the discount for each tier
        uint64 discountPercentage = currentTierDiscountPercentage();

        uint256 tokenBase = ethAmount.mul(BASE_RATE);
        uint256 tokenBonus = tokenBase.mul(discountPercentage).div(100);

        tokens = tokenBase.add(tokenBonus);
    }

    /// @dev Determine the current sale tier.
    /// @return the index of the current sale tier.
    function currentTierDiscountPercentage() internal view returns (uint64) {
        uint64 _now = uint64(block.timestamp);
        require(_now <= date31Jan2018);

        if(_now > date21Jan2018) return 0;
        if(_now > date12Jan2018) return 15;
        if(_now > date21Dec2017) return 35;
        return 50;
    }

    // function getnow() public view returns (uint64) {
    //     return uint64(block.timestamp);
    // }
    // 
    // function setnow(uint64 time) public {
    //     _now = time;
    // }

    /// @dev Finalize the sale and distribute the reserve, team tokens, lock the founders tokens
    function close() public onlyOwner beforeEnd {
        uint64 _now = uint64(block.timestamp);

        /// Final (sold tokens) / (team + reserve + founders funds tokens) = 64 / 36 proportion = 0.5625
        /// (sold tokens) + (team + reserve + founders funds tokens) = 64% + 36% = 100%
        /// Therefore, (team + reserve + founders funds tokens) = 56.25% of the sold tokens = 36% of the total tokens
        uint256 totalTokens = totalSupply.add(totalSupply.mul(5625).div(10000));

        /// Tokens to be allocated to the Reserve fund (12% of total ING)
        uint256 reserveFundTokens = totalTokens.mul(12).div(100);
        balances[reserveFundAddress] = balances[reserveFundAddress].add(reserveFundTokens);
        totalSupply = totalSupply.add(reserveFundTokens);
        /// fire event when tokens issued
        Issue(
            issueIndex++,
            reserveFundAddress,
            reserveFundTokens
        );

        /// Tokens to be allocated to the Team fund (12% of total ING)
        uint256 teamFundTokens = totalTokens.mul(12).div(100);
        balances[teamFundAddress] = balances[teamFundAddress].add(teamFundTokens);
        totalSupply = totalSupply.add(teamFundTokens);
        /// fire event when tokens issued
        Issue(
            issueIndex++,
            teamFundAddress,
            teamFundTokens
        );

        /// Tokens to be allocated to the locked Founders fund
        /// 12% (3 x 4%) of total ING allocated to the Founders fund locked as follows:
        /// first 4% locked for 6 months (183 days)
        TokenTimelock lock1_6months = new TokenTimelock(this, foundersFundAddress, _now + 183*24*60*60);
        foundersFundTimelock1Address = address(lock1_6months);
        uint256 foundersFund1Tokens = totalTokens.mul(4).div(100);
        /// update the contract balance to number of tokens issued
        balances[foundersFundTimelock1Address] = balances[foundersFundTimelock1Address].add(foundersFund1Tokens);
        /// increase total supply respective to the tokens issued
        totalSupply = totalSupply.add(foundersFund1Tokens);
        /// fire event when tokens issued
        Issue(
            issueIndex++,
            foundersFundTimelock1Address,
            foundersFund1Tokens
        );

        /// second 4% locked for 12 months (365 days)
        TokenTimelock lock2_12months = new TokenTimelock(this, foundersFundAddress, _now + 365*24*60*60);
        foundersFundTimelock2Address = address(lock2_12months);
        uint256 foundersFund2Tokens = totalTokens.mul(4).div(100);
        balances[foundersFundTimelock2Address] = balances[foundersFundTimelock2Address].add(foundersFund2Tokens);
        /// increase total supply respective to the tokens issued
        totalSupply = totalSupply.add(foundersFund2Tokens);
        /// fire event when tokens issued
        Issue(
            issueIndex++,
            foundersFundTimelock2Address,
            foundersFund2Tokens
        );

        /// third 4% locked for 18 months (548 days)
        TokenTimelock lock3_18months = new TokenTimelock(this, foundersFundAddress, _now + 548*24*60*60);
        foundersFundTimelock3Address = address(lock3_18months);
        uint256 foundersFund3Tokens = totalTokens.mul(4).div(100);
        balances[foundersFundTimelock3Address] = balances[foundersFundTimelock3Address].add(foundersFund3Tokens);
        /// increase total supply respective to the tokens issued
        totalSupply = totalSupply.add(foundersFund3Tokens);
        /// fire event when tokens issued
        Issue(
            issueIndex++,
            foundersFundTimelock3Address,
            foundersFund3Tokens
        );

        /// burn the unallocated tokens - no more tokens can be issued after this line
        tokenSaleClosed = true;

        /// forward the raised funds to the fund address
        fundsTreasury.transfer(this.balance);
    }

    /// @return if the token sale is finished
    function saleDue() public view returns (bool) {
        return date31Jan2018 < uint64(block.timestamp);
    }

    /// Transfer limited by the tradingOpen modifier (time is 01 Feb 2018 or later)
    function transferFrom(address _from, address _to, uint256 _value) public tradingOpen returns (bool) {
        return super.transferFrom(_from, _to, _value);
    }

    /// Transfer limited by the tradingOpen modifier (time is 01 Feb 2018 or later)
    function transfer(address _to, uint256 _value) public tradingOpen returns (bool) {
        return super.transfer(_to, _value);
    }
}

Contract Security Audit

Contract ABI

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":[{"name":"remaining","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"tokenSaleClosed","outputs":[{"name":"","type":"bool"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"TOKENS_SALE_HARD_CAP","outputs":[{"name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"inputs":[{"name":"_foundersFundAddress","type":"address"},{"name":"_teamFundAddress","type":"address"},{"name":"_reserveFundAddress","type":"address"},{"name":"_fundsTreasury","type":"address"}],"payable":false,"stateMutability":"nonpayable","type":"constructor"},{"payable":true,"stateMutability":"payable","type":"fallback"},{"anonymous":false,"inputs":[{"indexed":false,"name":"_issueIndex","type":"uint256"},{"indexed":false,"name":"addr","type":"address"},{"indexed":false,"name":"tokenAmount","type":"uint256"}],"name":"Issue","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"owner","type":"address"},{"indexed":true,"name":"spender","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}]

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Swarm Source

bzzr://00d5d743b32024710ae7578eb25b92b1c95a6ebc2c640dc5ed001b989b583878
Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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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.