ETH Price: $3,461.17 (+1.56%)
Gas: 7 Gwei

Contract

0x493C57C4763932315A328269E1ADaD09653B9081
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

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Transaction Hash
Method
Block
From
To
Value
Approve201376882024-06-21 4:24:3510 days ago1718943875IN
bZx DAI iToken
0 ETH0.000085662.86507672
Approve183984492023-10-21 11:40:47254 days ago1697888447IN
bZx DAI iToken
0 ETH0.000196926.58596431
Approve182410062023-09-29 11:14:59276 days ago1695986099IN
bZx DAI iToken
0 ETH0.000275239.20139924
Burn154298892022-08-28 20:23:34672 days ago1661718214IN
bZx DAI iToken
0 ETH0.0083354730
Transfer137100282021-11-29 18:03:21944 days ago1638209001IN
bZx DAI iToken
0 ETH0.02347264166.40066039
Approve136569502021-11-21 7:59:58953 days ago1637481598IN
bZx DAI iToken
0 ETH0.00618585118.51202118
Transfer Ownersh...135839582021-11-09 19:14:54964 days ago1636485294IN
bZx DAI iToken
0 ETH0.00524015183.03643799
Burn129088112021-07-27 15:16:361070 days ago1627398996IN
bZx DAI iToken
0 ETH0.0084961836
Burn126313122021-06-14 7:47:481113 days ago1623656868IN
bZx DAI iToken
0 ETH0.001689586.7
Approve126285152021-06-13 21:17:581113 days ago1623619078IN
bZx DAI iToken
0 ETH0.001200523
Burn126213312021-06-12 18:48:151114 days ago1623523695IN
bZx DAI iToken
0 ETH0.001986737.8
Approve126078442021-06-10 16:27:571117 days ago1623342477IN
bZx DAI iToken
0 ETH0.0017224633
Mint126003582021-06-09 12:37:001118 days ago1623242220IN
bZx DAI iToken
0 ETH0.0052444716.9
Mint125999112021-06-09 10:50:391118 days ago1623235839IN
bZx DAI iToken
0 ETH0.0052175220
Mint125947992021-06-08 15:53:301119 days ago1623167610IN
bZx DAI iToken
0 ETH0.0190769473
Mint125943842021-06-08 14:18:151119 days ago1623161895IN
bZx DAI iToken
0 ETH0.014649650
Mint125935582021-06-08 11:17:521119 days ago1623151072IN
bZx DAI iToken
0 ETH0.0005340620
Approve125825652021-06-06 18:34:011120 days ago1623004441IN
bZx DAI iToken
0 ETH0.0009341218
Approve125825652021-06-06 18:34:011120 days ago1623004441IN
bZx DAI iToken
0 ETH0.000285495.5
Burn125612252021-06-03 11:14:061124 days ago1622718846IN
bZx DAI iToken
0 ETH0.0045124319.1
Approve125383162021-05-30 22:10:441127 days ago1622412644IN
bZx DAI iToken
0 ETH0.0009395218
Burn123475782021-05-01 9:57:511157 days ago1619863071IN
bZx DAI iToken
0 ETH0.0076005930
Burn To Chai120754112021-03-20 11:25:231199 days ago1616239523IN
bZx DAI iToken
0 ETH0.01834227104
Transfer119930542021-03-07 18:56:251211 days ago1615143385IN
bZx DAI iToken
0 ETH0.02433291204
Approve119814052021-03-05 23:53:201213 days ago1614988400IN
bZx DAI iToken
0 ETH0.005251112
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Latest 25 internal transactions (View All)

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102713802020-06-15 16:22:591477 days ago1592238179
bZx DAI iToken
56.113679 ETH
100416372020-05-11 0:07:551512 days ago1589155675
bZx DAI iToken
12.57981652 ETH
99805972020-05-01 13:27:491522 days ago1588339669
bZx DAI iToken
74.49945615 ETH
99174152020-04-21 18:24:161531 days ago1587493456
bZx DAI iToken
66.09277833 ETH
99174052020-04-21 18:22:561531 days ago1587493376
bZx DAI iToken
66.09277833 ETH
98147332020-04-05 22:17:471547 days ago1586125067
bZx DAI iToken
35 ETH
98096542020-04-05 3:39:351548 days ago1586057975
bZx DAI iToken
2,222 ETH
98096322020-04-05 3:33:551548 days ago1586057635
bZx DAI iToken
2,222 ETH
97929522020-04-02 13:55:051551 days ago1585835705
bZx DAI iToken
16.7757735 ETH
97929392020-04-02 13:52:531551 days ago1585835573
bZx DAI iToken
16.7757735 ETH
97927052020-04-02 12:57:151551 days ago1585832235
bZx DAI iToken
71.87087018 ETH
97833682020-04-01 2:44:511552 days ago1585709091
bZx DAI iToken
2,335.41181317 ETH
97833432020-04-01 2:40:501552 days ago1585708850
bZx DAI iToken
2,414.361432 ETH
97027032020-03-19 14:42:521565 days ago1584628972
bZx DAI iToken
312.6262125 ETH
96788602020-03-15 22:41:491568 days ago1584312109
bZx DAI iToken
129.943758 ETH
96786062020-03-15 21:51:321568 days ago1584309092
bZx DAI iToken
432.36816071 ETH
96785972020-03-15 21:49:191568 days ago1584308959
bZx DAI iToken
440.86517979 ETH
96745282020-03-15 6:53:491569 days ago1584255229
bZx DAI iToken
73.11169151 ETH
96745262020-03-15 6:52:341569 days ago1584255154
bZx DAI iToken
74 ETH
95017722020-02-17 16:52:461596 days ago1581958366
bZx DAI iToken
0.009 ETH
95017722020-02-17 16:52:461596 days ago1581958366
bZx DAI iToken
0.009 ETH
95017642020-02-17 16:51:251596 days ago1581958285
bZx DAI iToken
0.009 ETH
95017642020-02-17 16:51:251596 days ago1581958285
bZx DAI iToken
0.009 ETH
95017642020-02-17 16:51:251596 days ago1581958285
bZx DAI iToken
0.009 ETH
95017642020-02-17 16:51:251596 days ago1581958285
bZx DAI iToken
0.009 ETH
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Contract Source Code Verified (Exact Match)

Contract Name:
LoanToken

Compiler Version
v0.5.8+commit.23d335f2

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, None license
/**
 *Submitted for verification at Etherscan.io on 2019-11-14
*/

/**
 * Copyright 2017-2019, bZeroX, LLC. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0.
 */

pragma solidity 0.5.8;


/**
 * @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 EIP20/ERC20 interface
 * @dev see https://github.com/ethereum/EIPs/issues/20
 */
contract EIP20 is ERC20 {
    string public name;
    uint8 public decimals;
    string public symbol;
}

contract WETHInterface is EIP20 {
    function deposit() external payable;
    function withdraw(uint256 wad) external;
}

/**
 * @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 Integer division of two numbers, rounding up and truncating the quotient
  */
  function divCeil(uint256 _a, uint256 _b) internal pure returns (uint256) {
    if (_a == 0) {
      return 0;
    }

    return ((_a - 1) / _b) + 1;
  }

  /**
  * @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 Ownable
 * @dev The Ownable contract has an owner address, and provides basic authorization control
 * functions, this simplifies the implementation of "user permissions".
 */
contract Ownable {
  address public owner;


  event OwnershipTransferred(
    address indexed previousOwner,
    address indexed newOwner
  );


  /**
   * @dev The Ownable constructor sets the original `owner` of the contract to the sender
   * account.
   */
  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 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 Helps contracts guard against reentrancy attacks.
 * @author Remco Bloemen <remco@2π.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
  uint256 internal constant REENTRANCY_GUARD_FREE = 1;

  /// @dev Constant for locked guard state
  uint256 internal constant REENTRANCY_GUARD_LOCKED = 2;

  /**
   * @dev We use a single lock for the whole contract.
   */
  uint256 internal 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, "nonReentrant");
    reentrancyLock = REENTRANCY_GUARD_LOCKED;
    _;
    reentrancyLock = REENTRANCY_GUARD_FREE;
  }

}

contract LoanTokenization is ReentrancyGuard, Ownable {

    uint256 internal constant MAX_UINT = 2**256 - 1;

    string public name;
    string public symbol;
    uint8 public decimals;

    address public bZxContract;
    address public bZxVault;
    address public bZxOracle;
    address public wethContract;

    address public loanTokenAddress;

    // price of token at last user checkpoint
    mapping (address => uint256) internal checkpointPrices_;
}

contract LoanTokenStorage is LoanTokenization {

    struct ListIndex {
        uint256 index;
        bool isSet;
    }

    struct LoanData {
        bytes32 loanOrderHash;
        uint256 leverageAmount;
        uint256 initialMarginAmount;
        uint256 maintenanceMarginAmount;
        uint256 maxDurationUnixTimestampSec;
        uint256 index;
        uint256 marginPremiumAmount;
        address collateralTokenAddress;
    }

    struct TokenReserves {
        address lender;
        uint256 amount;
    }

    // topic: 0x86e15dd78cd784ab7788bcf5b96b9395e86030e048e5faedcfe752c700f6157e
    event Borrow(
        address indexed borrower,
        uint256 borrowAmount,
        uint256 interestRate,
        address collateralTokenAddress,
        address tradeTokenToFillAddress,
        bool withdrawOnOpen
    );

    // topic: 0x85dfc0033a3e5b3b9b3151bd779c1f9b855d66b83ff5bb79283b68d82e8e5b73
    event Repay(
        bytes32 indexed loanOrderHash,
        address indexed borrower,
        address closer,
        uint256 amount,
        bool isLiquidation
    );

    // topic: 0x68e1caf97c4c29c1ac46024e9590f80b7a1f690d393703879cf66eea4e1e8421
    event Claim(
        address indexed claimant,
        uint256 tokenAmount,
        uint256 assetAmount,
        uint256 remainingTokenAmount,
        uint256 price
    );

    bool internal isInitialized_ = false;

    address public tokenizedRegistry;

    uint256 public baseRate = 1000000000000000000; // 1.0%
    uint256 public rateMultiplier = 18750000000000000000; // 18.75%

    // slot addition (non-sequential): lowUtilBaseRate = 8000000000000000000; // 8.0%
    // slot addition (non-sequential): lowUtilRateMultiplier = 4750000000000000000; // 4.75%

    // "fee percentage retained by the oracle" = SafeMath.sub(10**20, spreadMultiplier);
    uint256 public spreadMultiplier;

    mapping (uint256 => bytes32) public loanOrderHashes; // mapping of levergeAmount to loanOrderHash
    mapping (bytes32 => LoanData) public loanOrderData; // mapping of loanOrderHash to LoanOrder
    uint256[] public leverageList;

    TokenReserves[] public burntTokenReserveList; // array of TokenReserves
    mapping (address => ListIndex) public burntTokenReserveListIndex; // mapping of lender address to ListIndex objects
    uint256 public burntTokenReserved; // total outstanding burnt token amount
    address internal nextOwedLender_;

    uint256 public totalAssetBorrow; // current amount of loan token amount tied up in loans

    uint256 public checkpointSupply;

    uint256 internal lastSettleTime_;

    uint256 public initialPrice;
}

contract AdvancedTokenStorage is LoanTokenStorage {
    using SafeMath for uint256;

    event Transfer(
        address indexed from,
        address indexed to,
        uint256 value
    );
    event Approval(
        address indexed owner,
        address indexed spender,
        uint256 value
    );
    event Mint(
        address indexed minter,
        uint256 tokenAmount,
        uint256 assetAmount,
        uint256 price
    );
    event Burn(
        address indexed burner,
        uint256 tokenAmount,
        uint256 assetAmount,
        uint256 price
    );

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

    function totalSupply()
        public
        view
        returns (uint256)
    {
        return totalSupply_;
    }

    function balanceOf(
        address _owner)
        public
        view
        returns (uint256)
    {
        return balances[_owner];
    }

    function allowance(
        address _owner,
        address _spender)
        public
        view
        returns (uint256)
    {
        return allowed[_owner][_spender];
    }
}

contract LoanToken is AdvancedTokenStorage {

    address internal target_;

    constructor(
        address _newTarget)
        public
    {
        _setTarget(_newTarget);
    }

    function()
        external
        payable
    {
        address target = target_;
        bytes memory data = msg.data;
        assembly {
            let result := delegatecall(gas, target, add(data, 0x20), mload(data), 0, 0)
            let size := returndatasize
            let ptr := mload(0x40)
            returndatacopy(ptr, 0, size)
            switch result
            case 0 { revert(ptr, size) }
            default { return(ptr, size) }
        }
    }

    function setTarget(
        address _newTarget)
        public
        onlyOwner
    {
        _setTarget(_newTarget);
    }

    function _setTarget(
        address _newTarget)
        internal
    {
        require(_isContract(_newTarget), "target not a contract");
        target_ = _newTarget;
    }

    function _isContract(
        address addr)
        internal
        view
        returns (bool)
    {
        uint256 size;
        assembly { size := extcodesize(addr) }
        return size > 0;
    }
}

Contract Security Audit

Contract ABI

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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"},{"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":"minter","type":"address"},{"indexed":false,"name":"tokenAmount","type":"uint256"},{"indexed":false,"name":"assetAmount","type":"uint256"},{"indexed":false,"name":"price","type":"uint256"}],"name":"Mint","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"burner","type":"address"},{"indexed":false,"name":"tokenAmount","type":"uint256"},{"indexed":false,"name":"assetAmount","type":"uint256"},{"indexed":false,"name":"price","type":"uint256"}],"name":"Burn","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"borrower","type":"address"},{"indexed":false,"name":"borrowAmount","type":"uint256"},{"indexed":false,"name":"interestRate","type":"uint256"},{"indexed":false,"name":"collateralTokenAddress","type":"address"},{"indexed":false,"name":"tradeTokenToFillAddress","type":"address"},{"indexed":false,"name":"withdrawOnOpen","type":"bool"}],"name":"Borrow","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"loanOrderHash","type":"bytes32"},{"indexed":true,"name":"borrower","type":"address"},{"indexed":false,"name":"closer","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"isLiquidation","type":"bool"}],"name":"Repay","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"claimant","type":"address"},{"indexed":false,"name":"tokenAmount","type":"uint256"},{"indexed":false,"name":"assetAmount","type":"uint256"},{"indexed":false,"name":"remainingTokenAmount","type":"uint256"},{"indexed":false,"name":"price","type":"uint256"}],"name":"Claim","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"previousOwner","type":"address"},{"indexed":true,"name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"}]

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Deployed Bytecode

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

000000000000000000000000baad2c9d8efd28e294858f63cd088247f15ae24f

-----Decoded View---------------
Arg [0] : _newTarget (address): 0xbAAd2C9d8eFd28e294858f63cD088247F15aE24f

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000baad2c9d8efd28e294858f63cd088247f15ae24f


Deployed Bytecode Sourcemap

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Swarm Source

bzzr://3cf1fe6a7835c50d89ba9a22ea5a8c3509600df2cb1c1e1e1ef965e160014e8a

Block Transaction Difficulty Gas Used Reward
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Block Uncle Number Difficulty Gas Used Reward
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Validator Index Block Amount
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Transaction Hash Block Value Eth2 PubKey Valid
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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.