Contract 0x463538705E7d22aA7f03Ebf8ab09B067e1001B54

 
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0x5833bafd43a71d2676a094e2b5a44afa5b95a342881823a4a7f743e6fdaa84e1Burn125896722021-06-07 20:53:0514 days 23 hrs ago0xd4f200c66210cb118e78fa9e3cba1cbb086b4c73 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.00248927525
0x4ae07926d70c0bf00c76ed5ad8f9128e39044a99098f47c7eb96be6a1bbb9ee6Burn124710472021-05-20 11:35:1833 days 8 hrs ago0x3be1c84c60a17648170c1df58da57794bf2130f1 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.0059749860
0x14ae44262d8aeff2a91545d0080b0160e2e008536d76696b46b37d8ca6aaf908Burn124306482021-05-14 5:29:3039 days 14 hrs ago0x8b04614cb99fb0386655130cdfe9a2648edcce42 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.00668112381
0xadbe807f10cc3fbe0d1a9b6eee24bd8933dd000620fd5457347c6961a7468053Burn123073212021-04-25 4:40:1858 days 15 hrs ago0x00dd1b16f14fa9af5a3312075d44a819974a6093 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.0039828440
0x90a2a7f4c65f0e32ace8407d22ede00c6b4c2d95ac8f544f5e2608261a938e1bBurn122788562021-04-20 19:09:4463 days 48 mins ago0xccd62b3bd186314ba9e3fdd7ae8ceedf72fbfb17 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.02032821287
0xd10d1e5a0ab9ae75fda9c4e9388f7854e8bd036bbc52e537801731fb809979f8Burn122788562021-04-20 19:09:4463 days 48 mins ago0xccd62b3bd186314ba9e3fdd7ae8ceedf72fbfb17 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.017348339191
0x891fabddfc2e58d40155bd343505e09fe414875ac1d112af8819a5cef3770e84Burn122788522021-04-20 19:09:1163 days 48 mins ago0xccd62b3bd186314ba9e3fdd7ae8ceedf72fbfb17 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.016331634198
0xccfc0a430fd669fe0d80d0ed2bc729d229f4d2b2bf7fbfee9b51f03c0902ecd8Burn122160722021-04-11 2:54:3772 days 17 hrs ago0xfe36046f6193d691f99e2c90153003f8938cfc41 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.0060888170
0x73c65af9be98842940bcc4fd8a4beae1acc6f103e2d90dc8e8079afd0c10fc79Burn119961512021-03-08 6:06:13106 days 13 hrs ago0xfcf3d96579efda5ac7f0ebd143513d8040d3aba4 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.0078284790
0x9c899f659709db2d3707a393abb402f56907c9c3f609ed626e7686170cdb07eaBurn119853322021-03-06 14:07:40108 days 5 hrs ago0xcad8daf1e928ef0867374e8dd21b15df54f122ab IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.00616032963
0xb4152cb795f037a306b0632a4adef5c8083893fa29c842f3aac6a503e4f893acBurn119784082021-03-05 12:52:19109 days 7 hrs ago0xf8f51e820656c97ecad07ca6414a10bbc5dae6fb IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.011342828116
0x50d915b7f6d1b505621d09eb01955dddf0346fdb80315f8035b14f68216cc99aBurn119615122021-03-02 22:19:11111 days 21 hrs ago0xde014b00870420cfc73696ff2848e5e8d123639a IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.00752836777
0x4b67a72447ab08f6468c01cc5d8deff9efa645c9c9d988ccb999242b7fdf5b92Burn119478982021-02-28 20:15:36113 days 23 hrs ago0x5f663a56bece3cd1c1e3a83e1d077559bc3cd622 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.00794716896
0x2e93ecfc6e6f1ecd6ac9888b465bd6924c223d76b169012a77cdd7fddf32cb1aBurn118771222021-02-17 22:42:22124 days 21 hrs ago0x132170df858710647af0b1dc9cd51a3110eb0d49 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.023944125201
0x66e99bb7ec875687a8b3aba5afd1a2e835fcc76c4f8c3a252872fb7d8458b1d2Margin Trade Wit...118459132021-02-13 3:28:29129 days 16 hrs ago0xafbb81bd5e2b46a0720449f51adca272a63de062 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.161204021127
0x3891e1dcd1df8c0fca78502b09e03ca8a16a08ad5ec22aa11d6ad1dbe4ae661dUpdate Settings118247172021-02-09 21:26:27132 days 22 hrs ago0xb7f72028d9b502dc871c444363a7ac5a52546608 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.0466767175
0x65a90c8cefcf56f3cf566e1d161024d404447e57c09a257576aaa7379a1090b1Burn118174102021-02-08 18:21:42134 days 1 hr ago0xae672c674d3b0e5214b628c1c5ab28fd6af568ae IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.022533168
0xfcb6a40e848f99e43442e97205d4bf9d55a91cc3f2b0bdbf201fa93ab2b2babbBorrow118047032021-02-06 19:40:01136 days 18 mins ago0xfb602647103435f4af16ed88cbefaa4ec08393d1 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b542.323968940889221 Ether0.087970176112
0x5020459161330ad3fd99558a7369e43ad09ad1eb81d0898c2c0649f5eb033317Burn117877072021-02-04 4:56:31138 days 15 hrs ago0x20231255cc9f47bb8cc19dc1787e6c0281cefd08 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.014178535145
0xe0ff56e8998f93bcb6ae3780744664921eda59d85aa314e840e9e417a0e983c4Burn117637152021-01-31 12:08:27142 days 7 hrs ago0x282a190c841af279e5e102bda844de921d33be33 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.00547070876
0xa198c40a58b6ca0553883248e0d3a3bfa4e251eff88cdfa7d0730d7272682759Burn117294762021-01-26 5:32:56147 days 14 hrs ago0xb491dacbbab0e18d2449d18a72cd71c9fad81de6 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.00508471652
0xafc0e839d10c98ba03f927aaa916a4aad6e551bd8513eb0973c6d30a68229a5eBurn117145902021-01-23 22:34:31149 days 21 hrs ago0x3eb35baf1c097afede7b7a7df62470c74ba86098 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.0040354167
0x753f43aa533843e8df552c387646151ea588f125029eaaa8b465f36ca2fab497Burn117145902021-01-23 22:34:31149 days 21 hrs ago0x3eb35baf1c097afede7b7a7df62470c74ba86098 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.00645367866
0x5eb3aa0abebc4cc1208b8cc17fc3f1736c71b521fbad8d98420426360c47c52bMargin Trade117102452021-01-23 6:37:10150 days 13 hrs ago0x0d388658633418e8e51a7cf67c7059f863f053d9 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.2181669692
0x262941d58031088e8780d1c35562f634e62ddb4579a077d10b97d0158b353499Margin Trade117061322021-01-22 15:32:30151 days 4 hrs ago0x0d388658633418e8e51a7cf67c7059f863f053d9 IN  0x463538705e7d22aa7f03ebf8ab09b067e1001b540 Ether0.36463662135
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0xfcb6a40e848f99e43442e97205d4bf9d55a91cc3f2b0bdbf201fa93ab2b2babb118047032021-02-06 19:40:01136 days 18 mins ago 0x463538705e7d22aa7f03ebf8ab09b067e1001b54 Wrapped Ether2.323968940889221184 Ether
0x2ec6fc2e4a4ed8a02878c9e64c4f907f93d7e11bbcc9889417eee3c235898b14116051422021-01-07 3:32:03166 days 16 hrs ago 0x463538705e7d22aa7f03ebf8ab09b067e1001b54 Wrapped Ether40 Ether
0xc04b15bd25db21ea13d23086b2128b86382fa6dc6ab1a31c52e7046747640fd3115513612020-12-29 21:37:58174 days 22 hrs ago 0x463538705e7d22aa7f03ebf8ab09b067e1001b54 Wrapped Ether11.35050492 Ether
0xaeee3767bd604dc41462caad960863882b0af55c1a9670f0dfc5c55c175eb349112068262020-11-06 23:44:16227 days 20 hrs ago 0x463538705e7d22aa7f03ebf8ab09b067e1001b54 Wrapped Ether0.505073499482867931 Ether
0x7a216969b5b9f2d4a9ba5d25ab00d822cc970776b15c9b284a9d5e4d8befca81111432202020-10-28 5:28:17237 days 14 hrs ago 0x463538705e7d22aa7f03ebf8ab09b067e1001b54 Wrapped Ether2.732529596982195687 Ether
0xddab156904d783e8ebd418b21b7a86ddf43591fb39615ae6e7b3ade066a0321d110681662020-10-16 16:59:45249 days 2 hrs ago 0x463538705e7d22aa7f03ebf8ab09b067e1001b54 Wrapped Ether0.127854145654165688 Ether
0xc6820b07405ca7a57a9fa90b5fe101ae8f9ea490503f890931b984de387180bf110513752020-10-14 3:29:06251 days 16 hrs ago 0x463538705e7d22aa7f03ebf8ab09b067e1001b54 Wrapped Ether1.294063118344972032 Ether
0x4d9e4ad8ae07262f0344fccc8830814fc21cba5d878f088122a9f50cbd7e6149109026882020-09-21 1:05:08274 days 18 hrs ago 0x463538705e7d22aa7f03ebf8ab09b067e1001b54 Wrapped Ether0.977328846930034288 Ether
0x907aac3c9ce82528fc027ad3b35e7166cf11e6c14d64b115d441c54296f8689a108962902020-09-20 1:48:12275 days 18 hrs ago 0x463538705e7d22aa7f03ebf8ab09b067e1001b54 Wrapped Ether91.11908501180474193 Ether
0x9afed4a7087ab5bf6e8aabc41a46ce901998c0a82c5e62904649e25ccfe5605b107900162020-09-03 18:48:17292 days 1 hr ago 0x463538705e7d22aa7f03ebf8ab09b067e1001b54 Wrapped Ether14.327405252962960795 Ether
0x374b529583d6a51d722d06bc68bfbd2cc14ff3eb3e71397c5820491bfff546d1107850962020-09-03 0:36:12292 days 19 hrs ago 0x8cc1cfdc1c60c19a1d7c0fa3c042a4916aa79a51  Contract Creation0 Ether
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Contract Source Code Verified (Similar Match)
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x32e4c68b3a4a813b710595aeba7f6b7604ab9c15

Contract Name:
LoanToken

Compiler Version
v0.5.17+commit.d19bba13

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, Apache-2.0 license

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2020-09-03
*/

/**
 * Copyright 2017-2020, bZeroX, LLC <https://bzx.network/>. All Rights Reserved.
 * Licensed under the Apache License, Version 2.0.
 */

pragma solidity 0.5.17;


interface IWeth {
    function deposit() external payable;
    function withdraw(uint256 wad) external;
}

contract IERC20 {
    string public name;
    uint8 public decimals;
    string public symbol;
    function totalSupply() public view returns (uint256);
    function balanceOf(address _who) public view returns (uint256);
    function allowance(address _owner, address _spender) public view returns (uint256);
    function approve(address _spender, uint256 _value) public returns (bool);
    function transfer(address _to, uint256 _value) public returns (bool);
    function transferFrom(address _from, address _to, uint256 _value) public returns (bool);
    event Transfer(address indexed from, address indexed to, uint256 value);
    event Approval(address indexed owner, address indexed spender, uint256 value);
}

contract IWethERC20 is IWeth, IERC20 {}

/**
 * @dev Wrappers over Solidity's arithmetic operations with added overflow
 * checks.
 *
 * Arithmetic operations in Solidity wrap on overflow. This can easily result
 * in bugs, because programmers usually assume that an overflow raises an
 * error, which is the standard behavior in high level programming languages.
 * `SafeMath` restores this intuition by reverting the transaction when an
 * operation overflows.
 *
 * Using this library instead of the unchecked operations eliminates an entire
 * class of bugs, so it's recommended to use it always.
 */
library SafeMath {
    /**
     * @dev Returns the addition of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     * - Addition cannot overflow.
     */
    function add(uint256 a, uint256 b) internal pure returns (uint256) {
        uint256 c = a + b;
        require(c >= a, "SafeMath: addition overflow");

        return c;
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     * - Subtraction cannot overflow.
     */
    function sub(uint256 a, uint256 b) internal pure returns (uint256) {
        return sub(a, b, "SafeMath: subtraction overflow");
    }

    /**
     * @dev Returns the subtraction of two unsigned integers, reverting with custom message on
     * overflow (when the result is negative).
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     * - Subtraction cannot overflow.
     *
     * _Available since v2.4.0._
     */
    function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b <= a, errorMessage);
        uint256 c = a - b;

        return c;
    }

    /**
     * @dev Returns the multiplication of two unsigned integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     * - Multiplication cannot overflow.
     */
    function mul(uint256 a, uint256 b) internal pure returns (uint256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) {
            return 0;
        }

        uint256 c = a * b;
        require(c / a == b, "SafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     * - The divisor cannot be zero.
     */
    function div(uint256 a, uint256 b) internal pure returns (uint256) {
        return div(a, b, "SafeMath: division by zero");
    }

    /**
     * @dev Returns the integer division of two unsigned integers. Reverts with custom message on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     * - The divisor cannot be zero.
     *
     * _Available since v2.4.0._
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        // Solidity only automatically asserts when dividing by 0
        require(b != 0, errorMessage);
        uint256 c = a / b;
        // assert(a == b * c + a % b); // There is no case in which this doesn't hold

        return c;
    }

    /**
    * @dev Integer division of two numbers, rounding up and truncating the quotient
    */
    function divCeil(uint256 a, uint256 b) internal pure returns (uint256) {
        return divCeil(a, b, "SafeMath: division by zero");
    }

    /**
    * @dev Integer division of two numbers, rounding up and truncating the quotient
    */
    function divCeil(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        // Solidity only automatically asserts when dividing by 0
        require(b != 0, errorMessage);

        if (a == 0) {
            return 0;
        }
        uint256 c = ((a - 1) / b) + 1;

        return c;
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     * - The divisor cannot be zero.
     */
    function mod(uint256 a, uint256 b) internal pure returns (uint256) {
        return mod(a, b, "SafeMath: modulo by zero");
    }

    /**
     * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
     * Reverts with custom message when dividing by zero.
     *
     * Counterpart to Solidity's `%` operator. This function uses a `revert`
     * opcode (which leaves remaining gas untouched) while Solidity uses an
     * invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     * - The divisor cannot be zero.
     *
     * _Available since v2.4.0._
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }

    function min256(uint256 _a, uint256 _b) internal pure returns (uint256) {
        return _a < _b ? _a : _b;
    }
}

/**
 * @title SignedSafeMath
 * @dev Signed math operations with safety checks that revert on error.
 */
library SignedSafeMath {
    int256 constant private _INT256_MIN = -2**255;

        /**
     * @dev Returns the multiplication of two signed integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `*` operator.
     *
     * Requirements:
     *
     * - Multiplication cannot overflow.
     */
    function mul(int256 a, int256 b) internal pure returns (int256) {
        // Gas optimization: this is cheaper than requiring 'a' not being zero, but the
        // benefit is lost if 'b' is also tested.
        // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
        if (a == 0) {
            return 0;
        }

        require(!(a == -1 && b == _INT256_MIN), "SignedSafeMath: multiplication overflow");

        int256 c = a * b;
        require(c / a == b, "SignedSafeMath: multiplication overflow");

        return c;
    }

    /**
     * @dev Returns the integer division of two signed integers. Reverts on
     * division by zero. The result is rounded towards zero.
     *
     * Counterpart to Solidity's `/` operator. Note: this function uses a
     * `revert` opcode (which leaves remaining gas untouched) while Solidity
     * uses an invalid opcode to revert (consuming all remaining gas).
     *
     * Requirements:
     *
     * - The divisor cannot be zero.
     */
    function div(int256 a, int256 b) internal pure returns (int256) {
        require(b != 0, "SignedSafeMath: division by zero");
        require(!(b == -1 && a == _INT256_MIN), "SignedSafeMath: division overflow");

        int256 c = a / b;

        return c;
    }

    /**
     * @dev Returns the subtraction of two signed integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `-` operator.
     *
     * Requirements:
     *
     * - Subtraction cannot overflow.
     */
    function sub(int256 a, int256 b) internal pure returns (int256) {
        int256 c = a - b;
        require((b >= 0 && c <= a) || (b < 0 && c > a), "SignedSafeMath: subtraction overflow");

        return c;
    }

    /**
     * @dev Returns the addition of two signed integers, reverting on
     * overflow.
     *
     * Counterpart to Solidity's `+` operator.
     *
     * Requirements:
     *
     * - Addition cannot overflow.
     */
    function add(int256 a, int256 b) internal pure returns (int256) {
        int256 c = a + b;
        require((b >= 0 && c >= a) || (b < 0 && c < a), "SignedSafeMath: addition overflow");

        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
    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;
    }
}

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following 
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // According to EIP-1052, 0x0 is the value returned for not-yet created accounts
        // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
        // for accounts without code, i.e. `keccak256('')`
        bytes32 codehash;
        bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
        // solhint-disable-next-line no-inline-assembly
        assembly { codehash := extcodehash(account) }
        return (codehash != accountHash && codehash != 0x0);
    }

    /**
     * @dev Converts an `address` into `address payable`. Note that this is
     * simply a type cast: the actual underlying value is not changed.
     *
     * _Available since v2.4.0._
     */
    function toPayable(address account) internal pure returns (address payable) {
        return address(uint160(account));
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     *
     * _Available since v2.4.0._
     */
    function sendValue(address recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        // solhint-disable-next-line avoid-call-value
        (bool success, ) = recipient.call.value(amount)("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }
}

/*
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with GSN meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
contract Context {
    // Empty internal constructor, to prevent people from mistakenly deploying
    // an instance of this contract, which should be used via inheritance.
    constructor () internal { }
    // solhint-disable-previous-line no-empty-blocks

    function _msgSender() internal view returns (address payable) {
        return msg.sender;
    }

    function _msgData() internal view returns (bytes memory) {
        this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
        return msg.data;
    }
}

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
contract Ownable is Context {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(isOwner(), "unauthorized");
        _;
    }

    /**
     * @dev Returns true if the caller is the current owner.
     */
    function isOwner() public view returns (bool) {
        return _msgSender() == _owner;
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public onlyOwner {
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     */
    function _transferOwnership(address newOwner) internal {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

contract Pausable {

    // keccak256("Pausable_FunctionPause")
    bytes32 internal constant Pausable_FunctionPause = 0xa7143c84d793a15503da6f19bf9119a2dac94448ca45d77c8bf08f57b2e91047;

    modifier pausable(bytes4 sig) {
        require(!_isPaused(sig), "unauthorized");
        _;
    }

    function _isPaused(
        bytes4 sig)
        internal
        view
        returns (bool isPaused)
    {
        bytes32 slot = keccak256(abi.encodePacked(sig, Pausable_FunctionPause));
        assembly {
            isPaused := sload(slot)
        }
    }
}

contract LoanTokenBase is ReentrancyGuard, Ownable, Pausable {

    uint256 internal constant WEI_PRECISION = 10**18;
    uint256 internal constant WEI_PERCENT_PRECISION = 10**20;

    int256 internal constant sWEI_PRECISION = 10**18;

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

    // uint88 for tight packing -> 8 + 88 + 160 = 256
    uint88 internal lastSettleTime_;

    address public loanTokenAddress;

    uint256 public baseRate;
    uint256 public rateMultiplier;
    uint256 public lowUtilBaseRate;
    uint256 public lowUtilRateMultiplier;

    uint256 public targetLevel;
    uint256 public kinkLevel;
    uint256 public maxScaleRate;

    uint256 internal _flTotalAssetSupply;
    uint256 public checkpointSupply;
    uint256 public initialPrice;

    mapping (uint256 => bytes32) public loanParamsIds; // mapping of keccak256(collateralToken, isTorqueLoan) to loanParamsId
    mapping (address => uint256) internal checkpointPrices_; // price of token at last user checkpoint
}

contract AdvancedTokenStorage is LoanTokenBase {
    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 _newOwner,
        address _newTarget)
        public
    {
        transferOwnership(_newOwner);
        _setTarget(_newTarget);
    }

    function()
        external
        payable
    {
        if (gasleft() <= 2300) {
            return;
        }

        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(Address.isContract(_newTarget), "target not a contract");
        target_ = _newTarget;
    }
}

Contract Security Audit

Contract ABI

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se,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"targetLevel","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"}]

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Deployed ByteCode Sourcemap

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Swarm Source

bzzr://8e159523001d7b30b1641290c62dffd797f6077e0bcbf6b86ce07051a8c0caad
Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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