Contract 0x18D755c981A550B0b8919F1De2CDF882f489c155

 
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0x4dc2f550750c4fd3d85144248b1389e0ec64db1adbad6cab36453f4495efdffbApprove195414312021-09-26 16:27:102 hrs 24 mins ago0xa2e32ed4a3863201b2e66ba7799b7ed8f28f69d6 IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.0001158729
0xac77074cfa4649275c3d36f233959271ebf05ca01c695751c42149de2d66b4a2Burn195414082021-09-26 16:26:242 hrs 24 mins ago0xe7c60e30c135f132c18bef795c044e93922a6dea IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.00303028
0x94fb2d70f89ae0f581bd02af665d09b1c7718c1c46a994cbdc497767f7f95cc0Mint195413702021-09-26 16:25:042 hrs 26 mins ago0xa2e32ed4a3863201b2e66ba7799b7ed8f28f69d6 IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.002090052
0x582af90b88cd400613cf4ff5effcb747943c685a7f9c0c6b860aaf1420b83442Burn195402892021-09-26 15:43:263 hrs 7 mins ago0x8eee0978986ef41a01a98e5155a44f79af21cec0 IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.000688701377
0x4f49c4b61da32948fbb3117d02f5cbab74d025a09510d59380b8bfd914c9acd5Mint195401622021-09-26 15:39:043 hrs 12 mins ago0x8eee0978986ef41a01a98e5155a44f79af21cec0 IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.010972773
0xe8e823a4f45bb2e135a253c0a4e6637432f725c77344b4e1f9a701f0ed02d8dfMargin Trade195391142021-09-26 14:56:173 hrs 54 mins ago0xaf67d515ee6e118a875b7421823194e3e4a8c451 IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.005005545
0x3e178a3cf583a3edee2776f6d036a091dd2126aedea5f9fd57f45e8b1e877d4cMargin Trade195372932021-09-26 13:46:215 hrs 4 mins ago0x58c326c67b464c3a5c984adc272bd5c814c06def IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.01069441
0x33e88a25b5cdd379018048e4dc66b72196b005caced8a942422c5b93f5550dd2Margin Trade195372832021-09-26 13:46:015 hrs 5 mins ago0x58c326c67b464c3a5c984adc272bd5c814c06def IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.00643911
0x99b3971fe7fa8a1589aa226ea871bd39f13024687bd02de8fd536d203a1adb3eMargin Trade195372712021-09-26 13:45:335 hrs 5 mins ago0x58c326c67b464c3a5c984adc272bd5c814c06def IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.0249819
0x4965c73370ab5700e999fa2c7af54a0cd2e13b0d69b5b2e5b4455823b2fcdee7Burn195295902021-09-26 8:51:529 hrs 59 mins ago0x927b858066eb7efcee43dac3b2fd703d17452fe5 IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.0020661
0x04f0fb56ee64ea21c1fd73697d6e5163c2f25e4027318aea0640b470a4d36753Burn195259212021-09-26 6:35:2412 hrs 15 mins ago0xce08c20bc49f2e0fc6615fdd3fd16a09c37d9efc IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.0034435
0xaa4dbd03bacf3ed47d2b0dffc3956b2116e95d4976a0dbaad3b2e10730ecd821Mint195243542021-09-26 5:35:3013 hrs 15 mins ago0xafb4b036de4dcdd6906df91172f9fa53c10454ed IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.009231063
0x8c31af8871ee1a08ce12ad92b3a89320545c140736074f4a375b8cf7bfb1272aBurn195228012021-09-26 4:28:5214 hrs 22 mins ago0xba937e27968758b9492098b29911c823e02f513a IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.000151514
0x1604e733dc333e487b537abf1b590a79b183403589f8d7ba1a21dd13040d55d2Margin Trade195211142021-09-26 3:26:0715 hrs 25 mins ago0xceba15865a04d52f6735c9330786849301e33352 IN  0x18d755c981a550b0b8919f1de2cdf882f489c1551 MATIC0.022636163
0x474f8423984cc21c9666590ec9e2d9be8c3c63f63303ade29ca8299a70ce24d6Margin Trade195201312021-09-26 2:50:1116 hrs 1 min ago0x33ee19d6a17f5cfce63209747c9fa7c6db15f433 IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.0249819
0x63218d60209b2e2d4a435509d8fc738902d3da91c2cac29f07f0ca8f91469c18Margin Trade195200722021-09-26 2:46:1916 hrs 4 mins ago0x33ee19d6a17f5cfce63209747c9fa7c6db15f433 IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.010200949161
0xbc47a482b877e43206771193a201db4ee043c8cc9d6a3b6825796f59dab6a62cBurn195136972021-09-25 22:56:5919 hrs 54 mins ago0xc32de03e195fa0e2e59338968c37d53b7a151c98 IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.013774
0x66946e5e59d204fc621ee0f3a024eba585fd8556636178db2f9c905a4316368eBurn195110652021-09-25 21:03:3621 hrs 47 mins ago0xe4fbf4a82cee7d945e002339c0b02d3379045225 IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.005660622177
0x7b29e60e2f38f1037d1d80e96383035bea114aa1c93c2820f69695cd4116b327Margin Trade195078232021-09-25 19:09:2123 hrs 41 mins ago0x7712884512e9bef2806ef411b5847d534fb889a4 IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.01016085
0x7a80509b0ecec671dfda4b0549176fecaffe831a9c85c386d0820e8ac2986917Burn195048752021-09-25 17:21:521 day 1 hr ago0xf36c77774ad3c902edd6c24e619d24e3ab7e53a8 IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.0041322
0xa7c0be2b3af1793d3753ceb8744c15afd438a89bb2ef5d1454e8295de32559a4Mint195043002021-09-25 17:01:481 day 1 hr ago0x3ec6732676db7996c1b34e64b0503f941025cb63 IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.00058002939
0x6cd1fc3b39cf64c2983d6eb7f307960076064ac2ebbcb9a4d36181c5100b6455Margin Trade195017102021-09-25 15:27:561 day 3 hrs ago0x58c326c67b464c3a5c984adc272bd5c814c06def IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.013997242
0xf6b9d1f14fd0994ecde101cea3a1e94013dc86e605aaf115c15a5ab5ff8634d4Margin Trade195016962021-09-25 15:27:281 day 3 hrs ago0x58c326c67b464c3a5c984adc272bd5c814c06def IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.02139936
0x9f06197f69f9cab2a04f66800def4b64c19ab2b49755ba68b909ede169d36cb0Margin Trade195016852021-09-25 15:27:021 day 3 hrs ago0x58c326c67b464c3a5c984adc272bd5c814c06def IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.01610568
0x0ecef9b0f7589544f575f7f5b7fe6306329d733f67f5f13cd0a25617562a9761Margin Trade195001082021-09-25 14:28:361 day 4 hrs ago0x33ee19d6a17f5cfce63209747c9fa7c6db15f433 IN  0x18d755c981a550b0b8919f1de2cdf882f489c1550 MATIC0.101739
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0x447bb2fba1b49d925acfaae72501fee39387922bd58b9775b6a6ce0923cd6423194810872021-09-25 2:28:191 day 16 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token10 MATIC
0x03e33400d0df399c1d27fcf2122434790df0a04d5f9527cf1d11ed1114ccda3b194559162021-09-24 11:01:462 days 7 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token1 MATIC
0x785ee08eaa9135c92969121c8d672e65e097d4be2049c743ea7404b59abfe9bd194294252021-09-23 18:31:553 days 19 mins ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token354.974168219896299182 MATIC
0x01f32c0e115aca0bf33b5d50a74e5bb0ec981aedb2af6a5bf90027ac7927f69a194263662021-09-23 16:36:023 days 2 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token3 MATIC
0xb511c0655c0f9ca62e43c64d6045df4fc882682e08271243a9878f48f623c577194065952021-09-23 3:28:013 days 15 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token97.317744331818091564 MATIC
0xbd73d6a65f38e4691ca55a713cecde42f6246dfaf73021ebf698f476d6595560194054872021-09-23 2:38:073 days 16 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token181.120763255947091419 MATIC
0x0c43c4e4e88257bc3a709a20e24cc77aeefd68e0ce1d7aa9bb9c6ca194c0e85a194051472021-09-23 2:21:073 days 16 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token198.793380681161441801 MATIC
0xcd592ed8c7d923b6a9117ef0500c4eeb578da3f962f7c17708f116ced2efc17b194045722021-09-23 1:58:583 days 16 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token10.794608414417809615 MATIC
0x3b9de1d6e3b2998c201b3f10b65c4f3c4ca06e0e8b8ed41aad2b415b18138467193967562021-09-22 20:39:443 days 22 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token1,087.650961931688307285 MATIC
0xd3abd71e2efde92b05d99ac6c164d2ec7634a4599aa49ce9b8681901a2903198193612952021-09-21 20:53:244 days 21 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token7.015543151200303361 MATIC
0x498aa718a7f06892421e0e874af4fd1328249b62581f6e50f43961c551b32b62193575562021-09-21 18:33:445 days 17 mins ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token50 MATIC
0x11f9560b0bfa9e690327134165f2d91999532c7358b6dd04bd497c92d3bbc417193568122021-09-21 18:04:155 days 46 mins ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token680.267770644147883516 MATIC
0x4cc2071367aa54f66c134ce38927d3d9846dbd44a2e6ec6abc5995c8f85d6d08193447802021-09-21 10:10:235 days 8 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token46.07704849 MATIC
0xf113e6fcd5cb7c63ad84b1d9d682b9f7a7b6bd04d0ba8e2c99403c0f92208693193428332021-09-21 8:55:435 days 9 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token1 MATIC
0x26bb4cbdea9a3a09cfd1c30a5ed0ad5a013755d7ae4d7c308ada03df1810ecba193347182021-09-21 3:47:095 days 15 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token0.977415415676600806 MATIC
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0x8bd2534398cb224b263755c90a7bdcb88d2dab61937189d9e320dc63de50a5a9193249392021-09-20 21:34:165 days 21 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token11,847.87326954769532688 MATIC
0x580b0ad0cbfcaac671bef1bee848f8263b572d013b9cdfe5b829ef535ddbc0f6193244952021-09-20 21:19:005 days 21 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token20 MATIC
0xf8dc35533b85bd5da852628f00bbb29b36d93388644f8407df8e3bacfbec1c8e193199672021-09-20 18:22:116 days 29 mins ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token1 MATIC
0x21d707716baf0fc2d47df428543c29faf37aa48bb8986f42e9d762d234f68c5b193120482021-09-20 13:06:126 days 5 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token600 MATIC
0x933b4ea191a195ac93dd939e0167d1864fbae17345a21dcba8ea86c7e0b109d1193093132021-09-20 11:22:446 days 7 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token0.753419213467095477 MATIC
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0xda47f25a4f0dc7b5df2b25a916cb52163d64b8871549b47a78002d57735a12c4193063662021-09-20 9:26:136 days 9 hrs ago 0x18d755c981a550b0b8919f1de2cdf882f489c155 Polygon: WMATIC Token600 MATIC
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Contract Source Code Verified (Similar Match)
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x2e1a74a16e3a9f8e3d825902ab9fb87c606cb13f

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 polygonscan.com on 2021-06-09
*/

/**
 * Copyright 2017-2021, 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
    );

    event FlashBorrow(
        address borrower,
        address target,
        address loanToken,
        uint256 loanAmount
    );

    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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}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"rateMultiplier","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":false,"inputs":[{"internalType":"address","name":"_newTarget","type":"address"}],"name":"setTarget","outputs":[],"payable":false,"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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Swarm Source

bzzr://45c18d00653b6cff45eb698f7f53a191ca87668afbc5bea72c8b5950303b36a2
Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
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