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Contract Overview | LoopringToken
ETH Balance: 0 Ether
ETH USD Value: $0
No Of Transactions: 210717 txns
Token Contract (ERC20): Loopring (LRC)
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Contract Creator 0xd2c4070a3563b0adfef2e6e0a604017f1c2ac3dfat txn 0x0f09ce492bf004a2e07ea6f306431ff63d972c860c975d4baefc3aeb215db965
Token Balances
  Latest 25 txns from a total Of 210717 transactions View All

TxHash Age From To Value [TxFee]
0x3cdf14349745516fa36a2cb24e815a3364dc7c8876b9f77898c889a4037120ee1 min ago0xbcb534bfb7d14db7ee6e14f805d9ee629faf511d  IN   LoopringToken0 Ether0.00122255
0x91d6f192057d6a050e356393cc7a99049fa499d98e647035da89fc4b5324de681 min ago0xb8e24bce4501a46af1b56e66f206a119add7a470  IN   LoopringToken0 Ether0.00122255
0x9e0eb7412c0bf478ec2115af66d269af12e1d76d3fb326c6be2280a99cf24d111 min ago0xb75265d0e4f0e28d0863689f847f56351d2d462c  IN   LoopringToken0 Ether0.00122255
0xa6d7c038fbec8da328499c8cdd7ae168adb091afbb0bd966833a5fde7bb4d6c72 mins ago0x895bde0e31e30728d8bac3192af8376459333c03  IN   LoopringToken0 Ether0.00122255
0xd5092cad887d6ebd3351155c8d1b9e34b14e0c88f444cd17730cd43307781dfa2 mins ago0x7d6d2ff6a2f959dc191ab21e21de2c1790e49bb0  IN   LoopringToken0 Ether0.00122255
0xe6395e0fd64396ee4bb701e18684f75923180928c51d6f5d1c966c5a4e6b815d2 mins ago0x739c1d7b54e311925bfc61ef082571f0df2f1401  IN   LoopringToken0 Ether0.00122575
0x88d414d3f749e2a0cff5db9e41a33c39bc7ffb21444dc6811f494491408050862 mins ago0x722aec3ab95b4d4e96bff8335af76ceb113fdcee  IN   LoopringToken0 Ether0.00122255
0x0fec0a281c6ed33142c6aa55a3aa5b9e725c779c74b78c45dd444ff84dec0df32 mins ago0x6a155ae8bb34d3a6506381c827cd6957f9aba117  IN   LoopringToken0 Ether0.00122255
0x33e593d384d6fa0652002ed028b0003780acb8b78ce37716ad4d9054178a88b13 mins ago0x4a68f5be343d71ca862fdf3c41a794d2dbda91d6  IN   LoopringToken0 Ether0.00122255
0xfa493e4dff7bcc3b345024907278b3d583d55b4477753a9083d846e4d1e9f0243 mins ago0x3caaf6efd03c830d063e6eac3f3172c1d18489f3  IN   LoopringToken0 Ether0.00122255
0x94ec807aaac1b144938310623a2480c389e52abd270eb36a4ee7262daeeb145a3 mins ago0x39f1b51f2e1f28e6abae1b513995ca8246ad27ae  IN   LoopringToken0 Ether0.00122255
0x9e7224709ee93a98a9ffaea55d832f103aad81152d80f56f0dee7e36304b67523 mins ago0x24a5c629007484e4bed4b0141116f4d047b2a825  IN   LoopringToken0 Ether0.00122255
0xd76ad105cb66dffc61544846e1096f6ba9c0e3fe80e5df0770eade095bc035f93 mins ago0x202ca0c54ad42a3ac70fb91dfcbc8ea2a334c483  IN   LoopringToken0 Ether0.00122255
0x977d504a12cc0021c746e9ab3213c21d74e95343c87d958d893690771d694a6d16 mins agoHitBTC_2  IN   LoopringToken0 Ether0.000103840383
0x79597ff937712253f470e71a1929f70952f9ca061d854d7bb73d19a20d2ddb1d16 mins ago0xa12431d0b9db640034b0cdfceef9cce161e62be4  IN   LoopringToken0 Ether0.000036915
0xfc5e4e1dd4fa6497ae46312c1e1ecc43df7b4b509a13a33d16eb2e2d2e7fde4424 mins ago0xc79c03f3e2271fd1552cea33dc2630206041528d  IN   LoopringToken0 Ether0.00073958
0xdcd05fea3edf1c0748e4b78251dd320ff288a93d61a2161fd8fd46581772d47b42 mins agoBinanceWallet  IN   LoopringToken0 Ether0.002855325
0x584533c467c6e25b5ae83caa876257426b511644c5f5aed11e9ae606ccb0ca3342 mins ago0xe8affddbd30412c72e0fe284b492ff37e4fb1623  IN   LoopringToken0 Ether0.000021851
0x2cc600127f50a497843fc17ae7f04195a5e124b196afd923b93d8ceba3e79a3e50 mins ago0xb01dc23adc2f7d3e62a346e1e64593158d37528f  IN   LoopringToken0 Ether0.000021851
0x7f7575efc29799324fa8c6bf956a866642322c604a221617f81ff99361f7bd8555 mins ago0x0681d8db095565fe8a346fa0277bffde9c0edbbf  IN   LoopringToken0 Ether0.002851805
0x89e285ea70c0dd7509460593066b266289582bbb51f85eb1a08b3e6ce439f24656 mins ago0x7e3a0683ef1367d6de8581583c2488a3a56cfc1e  IN   LoopringToken0 Ether0.000021787
0xcc32ae7680c2984752ca3693bf9e92aa9820885ae82cfa953b059ebbd42edf831 hr 5 mins ago0x5b78ff9f710dabcb571a2a4c65dbfe5afcb7fe14  IN   LoopringToken0 Ether0.001510891
0x94496efb96a1b36552e1e91277f9449d76338d3234762f0d8b677a66ce1a78931 hr 6 mins ago0x6b48367f0c33b60216a2205a444f0e7bece7e33d  IN   LoopringToken0 Ether0.000036787
0x168d7a34dab5c8e55b399efe33b41482a24e448a25983dbef55712eb2174dd631 hr 39 mins ago0xbcb534bfb7d14db7ee6e14f805d9ee629faf511d  IN   LoopringToken0 Ether0.00122255
0xe455a8f11b0a70abeccc829abad36d1d17fed89eab063d3b3bb1e9bf42bbd0f21 hr 39 mins ago0xb75265d0e4f0e28d0863689f847f56351d2d462c  IN   LoopringToken0 Ether0.00122255
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 Internal Transactions as a result of Contract Execution
  Latest 25 Internal Txns, Click here to View More View All
ParentTxHash Block Age From To Value
0x563fe10af69086b73efa003995ddfc899f7399eb696ea29bf0b9d38483cc10114168082247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c321039.9 Ether
0x4ea19862a4e036e2d63dd57c13e66a6c502a0a13bf942e6db37eecc69116887c4168082247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c321010 Ether
0x00035691a1ff88de5d31044ac6a99fa425abfdd8f3dbd07959e8e7a703a51afc4168079247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32102 Ether
0x06131c985c31a822ee4fc7aac04cdcc3740ff355f6f912303920a63d7c569f804168079247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32100.01 Ether
0x4b76fc288c02b402d58bc779f5794a7fb870e61651dd06386bae0df6f854aaf64168077247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c321011 Ether
0x24422c3742742111be4991ff05844c4f827df0d3116a0ded90fc49421411ce854168071247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32101 Ether
0x49c945616444b324188e19f3cf3dc287bd85b7102d77c8fef3e8bc9f37aef9a44168071247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32103.02 Ether
0x9090d964f60e3ac2396967825dc45dd1df594309f42ffe0a878e05c56d4acf664168071247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32100.5 Ether
0x48b7c0711d25e8fd0e6441334f9c615cc0ee9a1466f5cc601a4c714bc041d3784168064247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32102.4 Ether
0x71981693d9467ac501e59dd88ae7dc33d9626e8aa69d2f73fda1d6cf3094f70d4168064247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32101 Ether
0xbb3c131765b167956613269283e8efb5e276610f0a3adcec7e318ea4bf8bde2c4168059247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32101.5 Ether
0x8a02b3207c8cbea6f7ac513d78ab8f4f1912bb491326a2ec232218dc595b84464168059247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c321010 Ether
0xc09e69eb20f81c8507c1a27375729b689859afe72d34ab81a5ab78cd1a73fad74168057247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32100.06 Ether
0xfca5dc056c837579ae97ba0e95cd2b61d66727b5e0a024dce1d9d7c85daf4c7e4168054247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32102 Ether
0x9ad229e3b20dcbec16f3da7fd7da7b4399c0964e6b85b55d11be5e4107e3316d4168054247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32100.5 Ether
0x51105d7f4160c4b572128f199b08aa03c8d30fc5fb8919690790763f75b936ca4168051247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32101 Ether
0x41b70620be547e66ecd65ecd1e30c3184c8ef1a01a2cafbbb26bc91d7bdee5114168051247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32104.280637246025 Ether
0xb9ac8c5c972f0513250cc8220c722c0be03b15354b5ae05eeec2f7fe2c18fa5f4168049247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c3210389 Ether
0xd935883034b49003083869c44c0ccbe5430dbe3317bf99f6a186d59df5dba7a14168046247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c3210284.8 Ether
0x36945d17845a06c94a8ce23e201b446cdb093dfb3839c4ac1f28bda152dd55914168046247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c3210330 Ether
0xf5f84bf164dbcea5b6a0747be52680353d8529594f2e73bf07e65f2eee3bf1174168046247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32100.01 Ether
0x2f467860510f9c5b98749c88750473008fc017df0d2ddc612cc1c1bb755102484168046247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32100.5 Ether
0xf96bcbba4cda2e28645167a1a4fd9610ac60a60fbb4161fadd2765eb2b0ab2394168044247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32100.01 Ether
0x897c9850d8c5151c968a638cb388091f9d41f9069c4f4e5209075068ca1be2694168044247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32100.4 Ether
0xe4f25cab5e78fea6e0645d66cf12f406a9f5209e4265edca18cd735fb69abaf14168044247 days 13 hrs ago0xef68e7c694f40c8202821edf525de3782458639f0x00073f7155459c9205010cb3453a0f392a0c32101.2198 Ether
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Warning: The compiled contract might be susceptible to ZeroFunctionSelector (very low-severity), DelegateCallReturnValue (low-severity), ECRecoverMalformedInput (medium-severity) Solidity compiler bugs.

Contract Source Code Verified (Exact match)
Contract Name: LoopringToken
Compiler Version: v0.4.13+commit.fb4cb1a
Optimization Enabled: No
Runs (Optimiser):  200



  Contract Source Code   Find Similiar Contracts
/*

  Copyright 2017 Loopring Foundation.

  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at

  http://www.apache.org/licenses/LICENSE-2.0

  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.

*/
pragma solidity ^0.4.11;

/**
 * @title ERC20Basic
 * @dev Simpler version of ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract ERC20Basic {
  uint public totalSupply;
  function balanceOf(address who) constant returns (uint);
  function transfer(address to, uint value);
  event Transfer(address indexed from, address indexed to, uint value);
}

/**
 * Math operations with safety checks
 */
library SafeMath {
  function mul(uint a, uint b) internal returns (uint) {
    uint c = a * b;
    assert(a == 0 || c / a == b);
    return c;
  }

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

  function sub(uint a, uint b) internal returns (uint) {
    assert(b <= a);
    return a - b;
  }

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

  function max64(uint64 a, uint64 b) internal constant returns (uint64) {
    return a >= b ? a : b;
  }

  function min64(uint64 a, uint64 b) internal constant returns (uint64) {
    return a < b ? a : b;
  }

  function max256(uint256 a, uint256 b) internal constant returns (uint256) {
    return a >= b ? a : b;
  }

  function min256(uint256 a, uint256 b) internal constant returns (uint256) {
    return a < b ? a : b;
  }

  function assert(bool assertion) internal {
    if (!assertion) {
      throw;
    }
  }
}

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

  mapping(address => uint) balances;

  /**
   * @dev Fix for the ERC20 short address attack.
   */
  modifier onlyPayloadSize(uint size) {
     if(msg.data.length < size + 4) {
       throw;
     }
     _;
  }

  /**
  * @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, uint _value) onlyPayloadSize(2 * 32) {
    balances[msg.sender] = balances[msg.sender].sub(_value);
    balances[_to] = balances[_to].add(_value);
    Transfer(msg.sender, _to, _value);
  }

  /**
  * @dev Gets the balance of the specified address.
  * @param _owner The address to query the the balance of. 
  * @return An uint representing the amount owned by the passed address.
  */
  function balanceOf(address _owner) constant returns (uint 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) constant returns (uint);
  function transferFrom(address from, address to, uint value);
  function approve(address spender, uint value);
  event Approval(address indexed owner, address indexed spender, uint value);
}

/**
 * @title Standard ERC20 token
 *
 * @dev Implemantation of the basic standart 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 BasicToken, ERC20 {

  mapping (address => mapping (address => uint)) 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 uint the amout of tokens to be transfered
   */
  function transferFrom(address _from, address _to, uint _value) onlyPayloadSize(3 * 32) {
    var _allowance = allowed[_from][msg.sender];

    // Check is not needed because sub(_allowance, _value) will already throw if this condition is not met
    // if (_value > _allowance) throw;

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

  /**
   * @dev Aprove the passed address to spend the specified amount of tokens on beahlf of msg.sender.
   * @param _spender The address which will spend the funds.
   * @param _value The amount of tokens to be spent.
   */
  function approve(address _spender, uint _value) {

    // 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
    if ((_value != 0) && (allowed[msg.sender][_spender] != 0)) throw;

    allowed[msg.sender][_spender] = _value;
    Approval(msg.sender, _spender, _value);
  }

  /**
   * @dev Function to check the amount of tokens than 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 uint specifing the amount of tokens still avaible for the spender.
   */
  function allowance(address _owner, address _spender) constant returns (uint remaining) {
    return allowed[_owner][_spender];
  }

}

/// @title Loopring Protocol Token.
/// For more information about this token sale, please visit https://loopring.org
/// @author Kongliang Zhong - <[email protected]>, Daniel Wang - <[email protected]>.
contract LoopringToken is StandardToken {
    string public constant NAME = "LoopringCoin";
    string public constant SYMBOL = "LRC";
    uint public constant DECIMALS = 18;

    /// During token sale, we use one consistent price: 5000 LRC/ETH.
    /// We split the entire token sale period into 10 phases, each
    /// phase has a different bonus setting as specified in `bonusPercentages`.
    /// The real price for phase i is `(1 + bonusPercentages[i]/100.0) * BASE_RATE`.
    /// The first phase or early-bird phase has a much higher bonus.
    uint8[10] public bonusPercentages = [
        20,
        16,
        14,
        12,
        10,
        8,
        6,
        4,
        2,
        0
    ];

    uint public constant NUM_OF_PHASE = 10;
  
    /// Each phase contains exactly 15250 Ethereum blocks, which is roughly 3 days,
    /// which makes this 10-phase sale period roughly 30 days.
    /// See https://www.ethereum.org/crowdsale#scheduling-a-call
    uint16 public constant BLOCKS_PER_PHASE = 15250;

    /// This is where we hold ETH during this token sale. We will not transfer any Ether
    /// out of this address before we invocate the `close` function to finalize the sale. 
    /// This promise is not guanranteed by smart contract by can be verified with public
    /// Ethereum transactions data available on several blockchain browsers.
    /// This is the only address from which `start` and `close` can be invocated.
    ///
    /// Note: this will be initialized during the contract deployment.
    address public target;

    /// `firstblock` specifies from which block our token sale starts.
    /// This can only be modified once by the owner of `target` address.
    uint public firstblock = 0;

    /// Indicates whether unsold token have been issued. This part of LRC token
    /// is managed by the project team and is issued directly to `target`.
    bool public unsoldTokenIssued = false;

    /// Minimum amount of funds to be raised for the sale to succeed. 
    uint256 public constant GOAL = 50000 ether;

    /// Maximum amount of fund to be raised, the sale ends on reaching this amount.
    uint256 public constant HARD_CAP = 120000 ether;

    /// Maximum unsold ratio, this is hit when the mininum level of amount of fund is raised.
    uint public constant MAX_UNSOLD_RATIO = 675; // 67.5%

    /// Base exchange rate is set to 1 ETH = 5000 LRC.
    uint256 public constant BASE_RATE = 5000;

    /// A simple stat for emitting events.
    uint public totalEthReceived = 0;

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

    /* 
     * EVENTS
     */

    /// Emitted only once after token sale starts.
    event SaleStarted();

    /// Emitted only once after token sale ended (all token issued).
    event SaleEnded();

    /// Emitted when a function is invocated by unauthorized addresses.
    event InvalidCaller(address caller);

    /// Emitted when a function is invocated without the specified preconditions.
    /// This event will not come alone with an exception.
    event InvalidState(bytes msg);

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

    /// Emitted if the token sale succeeded.
    event SaleSucceeded();

    /// Emitted if the token sale failed.
    /// When token sale failed, all Ether will be return to the original purchasing
    /// address with a minor deduction of transaction fee(gas)
    event SaleFailed();

    /*
     * MODIFIERS
     */

    modifier onlyOwner {
        if (target == msg.sender) {
            _;
        } else {
            InvalidCaller(msg.sender);
            throw;
        }
    }

    modifier beforeStart {
        if (!saleStarted()) {
            _;
        } else {
            InvalidState("Sale has not started yet");
            throw;
        }
    }

    modifier inProgress {
        if (saleStarted() && !saleEnded()) {
            _;
        } else {
            InvalidState("Sale is not in progress");
            throw;
        }
    }

    modifier afterEnd {
        if (saleEnded()) {
            _;
        } else {
            InvalidState("Sale is not ended yet");
            throw;
        }
    }

    /**
     * CONSTRUCTOR 
     * 
     * @dev Initialize the Loopring Token
     * @param _target The escrow account address, all ethers will
     * be sent to this address.
     * This address will be : 0x00073F7155459C9205010Cb3453a0f392a0C3210
     */
    function LoopringToken(address _target) {
        target = _target;
    }

    /*
     * PUBLIC FUNCTIONS
     */

    /// @dev Start the token sale.
    /// @param _firstblock The block from which the sale will start.
    function start(uint _firstblock) public onlyOwner beforeStart {
        if (_firstblock <= block.number) {
            // Must specify a block in the future.
            throw;
        }

        firstblock = _firstblock;
        SaleStarted();
    }

    /// @dev Triggers unsold tokens to be issued to `target` address.
    function close() public onlyOwner afterEnd {
        if (totalEthReceived < GOAL) {
            SaleFailed();
        } else {
            issueUnsoldToken();
            SaleSucceeded();
        }
    }

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

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

    /// @dev Issue token based on Ether received.
    /// @param recipient Address that newly issued token will be sent to.
    function issueToken(address recipient) payable inProgress {
        // We only accept minimum purchase of 0.01 ETH.
        assert(msg.value >= 0.01 ether);

        uint tokens = computeTokenAmount(msg.value);
        totalEthReceived = totalEthReceived.add(msg.value);
        totalSupply = totalSupply.add(tokens);
        balances[recipient] = balances[recipient].add(tokens);

        Issue(
            issueIndex++,
            recipient,
            msg.value,
            tokens
        );

        if (!target.send(msg.value)) {
            throw;
        }
    }

    /*
     * INTERNAL FUNCTIONS
     */
  
    /// @dev Compute the amount of LRC token that can be purchased.
    /// @param ethAmount Amount of Ether to purchase LRC.
    /// @return Amount of LRC token to purchase
    function computeTokenAmount(uint ethAmount) internal constant returns (uint tokens) {
        uint phase = (block.number - firstblock).div(BLOCKS_PER_PHASE);

        // A safe check
        if (phase >= bonusPercentages.length) {
            phase = bonusPercentages.length - 1;
        }

        uint tokenBase = ethAmount.mul(BASE_RATE);
        uint tokenBonus = tokenBase.mul(bonusPercentages[phase]).div(100);

        tokens = tokenBase.add(tokenBonus);
    }

    /// @dev Issue unsold token to `target` address.
    /// The math is as follows:
    ///   +-------------------------------------------------------------+
    ///   |       Total Ethers Received        |                        |
    ///   +------------------------------------+  Unsold Token Portion  |
    ///   |   Lower Bound   |   Upper Bound    |                        |
    ///   +-------------------------------------------------------------+
    ///   |      50,000     |     60,000       |         67.5%          |
    ///   +-------------------------------------------------------------+
    ///   |      60,000     |     70,000       |         65.0%          |
    ///   +-------------------------------------------------------------+
    ///   |      70,000     |     80,000       |         62.5%          |
    ///   +-------------------------------------------------------------+
    ///   |      80,000     |     90,000       |         60.0%          |
    ///   +-------------------------------------------------------------+
    ///   |      90,000     |    100,000       |         57.5%          |
    ///   +-------------------------------------------------------------+
    ///   |     100,000     |    110,000       |         55.0%          |
    ///   +-------------------------------------------------------------+
    ///   |     110,000     |    120,000       |         52.5%          |
    ///   +-------------------------------------------------------------+
    ///   |     120,000     |                  |         50.0%          |
    ///   +-------------------------------------------------------------+
    function issueUnsoldToken() internal {
        if (unsoldTokenIssued) {
            InvalidState("Unsold token has been issued already");
        } else {
            // Add another safe guard 
            require(totalEthReceived >= GOAL);

            uint level = totalEthReceived.sub(GOAL).div(10000 ether);
            if (level > 7) {
                level = 7;
            }

            uint unsoldRatioInThousand = MAX_UNSOLD_RATIO - 25 * level;


            // Calculate the `unsoldToken` to be issued, the amount of `unsoldToken`
            // is based on the issued amount, that is the `totalSupply`, during 
            // the sale:
            //                   totalSupply
            //   unsoldToken = --------------- * r
            //                      1 - r
            uint unsoldToken = totalSupply.div(1000 - unsoldRatioInThousand).mul(unsoldRatioInThousand);

            // Adjust `totalSupply`.
            totalSupply = totalSupply.add(unsoldToken);
            // Issue `unsoldToken` to the target account.
            balances[target] = balances[target].add(unsoldToken);

            Issue(
                issueIndex++,
                target,
                0,
                unsoldToken
            );
            
            unsoldTokenIssued = true;
        }
    }

    /// @return true if sale has started, false otherwise.
    function saleStarted() constant returns (bool) {
        return (firstblock > 0 && block.number >= firstblock);
    }

    /// @return true if sale has ended, false otherwise.
    function saleEnded() constant returns (bool) {
        return firstblock > 0 && (saleDue() || hardCapReached());
    }

    /// @return true if sale is due when the last phase is finished.
    function saleDue() constant returns (bool) {
        return block.number >= firstblock + BLOCKS_PER_PHASE * NUM_OF_PHASE;
    }

    /// @return true if the hard cap is reached.
    function hardCapReached() constant returns (bool) {
        return totalEthReceived >= HARD_CAP;
    }
}

    Contract ABI  
[{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"}],"name":"approve","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"bonusPercentages","outputs":[{"name":"","type":"uint8"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"DECIMALS","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"BLOCKS_PER_PHASE","outputs":[{"name":"","type":"uint16"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"MAX_UNSOLD_RATIO","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"HARD_CAP","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"BASE_RATE","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[],"name":"close","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"saleStarted","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"issueIndex","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"balanceOf","outputs":[{"name":"balance","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"recipient","type":"address"}],"name":"issueToken","outputs":[],"payable":true,"type":"function"},{"constant":false,"inputs":[{"name":"_firstblock","type":"uint256"}],"name":"start","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"hardCapReached","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"saleEnded","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"unsoldTokenIssued","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"price","outputs":[{"name":"tokens","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"GOAL","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"NAME","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"totalEthReceived","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"saleDue","outputs":[{"name":"","type":"bool"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"target","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"NUM_OF_PHASE","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"_owner","type":"address"},{"name":"_spender","type":"address"}],"name":"allowance","outputs":[{"name":"remaining","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"firstblock","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[],"name":"SYMBOL","outputs":[{"name":"","type":"string"}],"payable":false,"type":"function"},{"inputs":[{"name":"_target","type":"address"}],"payable":false,"type":"constructor"},{"payable":true,"type":"fallback"},{"anonymous":false,"inputs":[],"name":"SaleStarted","type":"event"},{"anonymous":false,"inputs":[],"name":"SaleEnded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"caller","type":"address"}],"name":"InvalidCaller","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"msg","type":"bytes"}],"name":"InvalidState","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"issueIndex","type":"uint256"},{"indexed":false,"name":"addr","type":"address"},{"indexed":false,"name":"ethAmount","type":"uint256"},{"indexed":false,"name":"tokenAmount","type":"uint256"}],"name":"Issue","type":"event"},{"anonymous":false,"inputs":[],"name":"SaleSucceeded","type":"event"},{"anonymous":false,"inputs":[],"name":"SaleFailed","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"}]

  Contract Creation Code Switch To Opcodes View
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    Constructor Arguments (ABI-encoded and is the last bytes of the Contract Creation Code above)
00000000000000000000000000073f7155459c9205010cb3453a0f392a0c3210

-----Decoded View---------------
Found 1 constructor arguments :
Arg [0] : 00000000000000000000000000073f7155459c9205010cb3453a0f392a0c3210


   Swarm Source:
bzzr://c28f0e4dfa60c1f704fec244ecddb7b811aeeeacfae31316717dd89fcca1aa44

 

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