Contract 0xf2511b5E4FB0e5E2d123004b672BA14850478C14 2

 

Contract Overview

Balance:
0 BNB

BNB Value:
$0.00

Token:
 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x61154d7625d25d884cdda166decaf548d8c8ddb2a58952e1cf3a485a01146dc8Approve119863272021-10-22 7:01:481 hr 52 mins ago0xa8a9e55a6031f94cdb9b9dcb251b7624c268dacf IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022047
0xa9949603893f6cce77eccfa9735becfe9e82fdb666bbc303c949c5b27d6f4338Approve119840752021-10-22 4:55:493 hrs 58 mins ago0x67a97c9a46bc18f86f703653f34da4c806de70bd IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022047
0x47693680915fb5e2adbd9e968b2a5815699128a0d2c0ee60e166fba7617079bbApprove119839352021-10-22 4:47:444 hrs 7 mins ago0x62ef037a6776ba40c0f78b1bafac76b8f8deee9c IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022047
0x4bf5b10a4af36652c949bf1078825aa5c1c6a7fa882f2ef153d05d9436bf983bApprove119830282021-10-22 4:00:094 hrs 54 mins ago0x0ceda27ab63f9aeee0b2089a1c865fed882b49af IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022047
0xd3a491af344fb00f94d1d05c16cc2072a6b79a69540b661fa0a754fb09f8d120Approve119808572021-10-22 2:09:066 hrs 45 mins ago0xd3c8d6e941843e72ea0e877addf67803e37d1fa6 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022035
0x3ee577aae75c7d30fd6d3cee0791152f4f7e4c6528522a528ceb6f4af170e85fApprove119807742021-10-22 2:04:576 hrs 49 mins ago0xd3c8d6e941843e72ea0e877addf67803e37d1fa6 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022179
0xecb9184094c55cfd7a0c4c916fd1d354d0a25f8b90c3060a1541b3ff19149bcdApprove119685082021-10-21 15:45:3217 hrs 9 mins ago0x548962e0bc27fa034b0905ab9555c7494f87a5e5 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022047
0x62a094fcece22f01839fa5238f417340b6a98e0dcf30a9abdb38ffbc73a7594aApprove119477172021-10-20 21:59:511 day 10 hrs ago0xf55dd2ae6b87c1e4b754706c98a3a204c3d98c64 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022041
0x462c48238bfdc1bd7230a1300b9a28b266159cfdb1b83b2eeda4202c036d3b37Approve119476922021-10-20 21:58:361 day 10 hrs ago0xf55dd2ae6b87c1e4b754706c98a3a204c3d98c64 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022041
0x97b5462d91d46a3c0adca0d66cd4cfeae5900a50cf9354ac6e7245424194bed7Approve119469552021-10-20 21:21:431 day 11 hrs ago0x0ceda27ab63f9aeee0b2089a1c865fed882b49af IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022029
0x132784ee7184ad998b2a8857e80d984d3542b0f3ba9491dab022cba60cd9c5a1Approve119463602021-10-20 20:51:581 day 12 hrs ago0x3b3214a5d604e600e59e229d3b94e8168f487be0 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.000101409
0x90f07cfd3bc377897efbe0f26e744d49ef4a68ee0aa3227de40682fce71b4f80Approve119382092021-10-20 13:59:531 day 18 hrs ago0x46ab9a7c63fb0514b2e3e3deb3ba2e6a8b14674a IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022047
0x2cb9c6c136fe5f9b29b6fb75e79e1bce6ab146a0d8602db2d2875f2c35fe126dApprove119329852021-10-20 9:37:141 day 23 hrs ago0x321d69586dab7ef87382dcb42bcf3a9f9ee89ad0 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022041
0x126ea77e1e481dd4d3aab541bed246067e2e6faff43423766d1c3ae99dacae07Approve119236862021-10-20 1:49:432 days 7 hrs ago0x51388750ae7e4b55bcc28a800b3a76a492b486e8 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00012387
0xe1107113c96ea489504b32f7857fcc81a11fe42ff051151c1dffa6a7f83962b3Approve119236712021-10-20 1:48:582 days 7 hrs ago0x51388750ae7e4b55bcc28a800b3a76a492b486e8 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00012387
0x16c9372ba1e97c5d44ff0376e9d0b31038d6d42a0a0410e5071655df6dda5221Approve119236712021-10-20 1:48:582 days 7 hrs ago0x51388750ae7e4b55bcc28a800b3a76a492b486e8 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.000072435
0xa26abf72f9a8b3bef109d336e69e8f2911f20e547991fc7481e61559da086c73Approve119201882021-10-19 22:52:142 days 10 hrs ago0x93574de392e27bb1cbb194c7b5b97c0e7a6eb230 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00044082
0x702a40084b4974c94167c8a2eb2d07f2ffc7f79615379bf15448ba6cef0d07a3Transfer119196562021-10-19 22:25:242 days 10 hrs ago0xff681f1e9bcf44fbc17e79c074598493b27fab78 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.000413275
0x8844cc54f773cd0e600a2f67d2a1ca1524f89816a44244fb3d886d0acb76f4f4Approve119181332021-10-19 21:08:592 days 11 hrs ago0x44ff98e5608c47633c6e51af7571b79262a41ce0 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022035
0x8243c8e2dd6f5fc546e7248be8cf893d6d1f3ee33fe46901e9dbb67ee9be5625Approve119157972021-10-19 18:52:432 days 14 hrs ago0x854bd5ae15d4d3fa8f610e2fc473610644592714 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022041
0x83b951ed90c4cd96a25623bfe8f1c453d1b7ffbbd5bcf3b4ee6b68218bcaa46aApprove119154282021-10-19 18:32:182 days 14 hrs ago0x4dbe4a4db84c0c214035f2a933fdaf9e0eb09d07 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022041
0xe8dcd71c63135c8fda428bfd39721798b93cbe91e8967eb37bfe79f36622956cApprove119093062021-10-19 13:17:252 days 19 hrs ago0x4d94f7ece6287b18b2d90e188debefcf55623390 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022041
0x93424ff9d6ad123790effc3df4e253db882be7c8e7c7d88722878c31573aef5dApprove119000002021-10-19 5:30:273 days 3 hrs ago0xc4bf8a984b45cc53631f017331f3b9ae9b518dbe IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022179
0x2b0a2bcc7465041b45889cc9ee8d21311436c9d8c0612de21f14257dead283d6Approve118853572021-10-18 17:15:053 days 15 hrs ago0x177ee2c7fc75bd3b569e33e3823aef7d507a4f1d IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022023
0x5b8565eecc02c077b5b6fd6de50401f10c32ceb178db26af5effec26602d8160Approve118641862021-10-17 23:30:224 days 9 hrs ago0x49fbdf7f6f7220e7cbc82f989d78916dda43c758 IN  0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB0.00022047
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Latest 25 internal transaction
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0xfda7483cab717d64b45d1a74ec96bc14e357b8ff26e4e6dd9fa0bf9a4a66162454711712021-03-07 11:51:30228 days 21 hrs ago 0xf2511b5e4fb0e5e2d123004b672ba14850478c14 0x1b3771a66ee31180906972580ade9b81afc5fcdc0 BNB
0xfda7483cab717d64b45d1a74ec96bc14e357b8ff26e4e6dd9fa0bf9a4a66162454711712021-03-07 11:51:30228 days 21 hrs ago 0x2ebe8cdbcb5fb8564bc45999dab8da264e31f24e 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0xfda7483cab717d64b45d1a74ec96bc14e357b8ff26e4e6dd9fa0bf9a4a66162454711712021-03-07 11:51:30228 days 21 hrs ago 0x2ebe8cdbcb5fb8564bc45999dab8da264e31f24e 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0x77f8c7fb3caefb90c47455995c50ea046a28e81ff1976d8ec02a9462cafb43c554708302021-03-07 11:34:27228 days 21 hrs ago 0xf2511b5e4fb0e5e2d123004b672ba14850478c14 0x1b3771a66ee31180906972580ade9b81afc5fcdc0 BNB
0x77f8c7fb3caefb90c47455995c50ea046a28e81ff1976d8ec02a9462cafb43c554708302021-03-07 11:34:27228 days 21 hrs ago 0x2ebe8cdbcb5fb8564bc45999dab8da264e31f24e 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0x77f8c7fb3caefb90c47455995c50ea046a28e81ff1976d8ec02a9462cafb43c554708302021-03-07 11:34:27228 days 21 hrs ago 0x2ebe8cdbcb5fb8564bc45999dab8da264e31f24e 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0x10964c3e1f7d22fff2b56926a074099e99bbd98699d4c8724efe5d94878dfd3c54708202021-03-07 11:33:57228 days 21 hrs ago 0x1b3771a66ee31180906972580ade9b81afc5fcdc 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0x10964c3e1f7d22fff2b56926a074099e99bbd98699d4c8724efe5d94878dfd3c54708202021-03-07 11:33:57228 days 21 hrs ago 0xf2511b5e4fb0e5e2d123004b672ba14850478c14 0x1b3771a66ee31180906972580ade9b81afc5fcdc0 BNB
0x10964c3e1f7d22fff2b56926a074099e99bbd98699d4c8724efe5d94878dfd3c54708202021-03-07 11:33:57228 days 21 hrs ago 0x1b3771a66ee31180906972580ade9b81afc5fcdc 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0x10964c3e1f7d22fff2b56926a074099e99bbd98699d4c8724efe5d94878dfd3c54708202021-03-07 11:33:57228 days 21 hrs ago 0xf2511b5e4fb0e5e2d123004b672ba14850478c14 0x1b3771a66ee31180906972580ade9b81afc5fcdc0 BNB
0x10964c3e1f7d22fff2b56926a074099e99bbd98699d4c8724efe5d94878dfd3c54708202021-03-07 11:33:57228 days 21 hrs ago 0x1b3771a66ee31180906972580ade9b81afc5fcdc 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0x10964c3e1f7d22fff2b56926a074099e99bbd98699d4c8724efe5d94878dfd3c54708202021-03-07 11:33:57228 days 21 hrs ago 0x1b3771a66ee31180906972580ade9b81afc5fcdc 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0x10964c3e1f7d22fff2b56926a074099e99bbd98699d4c8724efe5d94878dfd3c54708202021-03-07 11:33:57228 days 21 hrs ago 0x1b3771a66ee31180906972580ade9b81afc5fcdc 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0x10964c3e1f7d22fff2b56926a074099e99bbd98699d4c8724efe5d94878dfd3c54708202021-03-07 11:33:57228 days 21 hrs ago 0x1b3771a66ee31180906972580ade9b81afc5fcdc 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0x10964c3e1f7d22fff2b56926a074099e99bbd98699d4c8724efe5d94878dfd3c54708202021-03-07 11:33:57228 days 21 hrs ago 0x1b3771a66ee31180906972580ade9b81afc5fcdc 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0x10964c3e1f7d22fff2b56926a074099e99bbd98699d4c8724efe5d94878dfd3c54708202021-03-07 11:33:57228 days 21 hrs ago 0x1b3771a66ee31180906972580ade9b81afc5fcdc 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0x10964c3e1f7d22fff2b56926a074099e99bbd98699d4c8724efe5d94878dfd3c54708202021-03-07 11:33:57228 days 21 hrs ago 0x1b3771a66ee31180906972580ade9b81afc5fcdc 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0x10964c3e1f7d22fff2b56926a074099e99bbd98699d4c8724efe5d94878dfd3c54708202021-03-07 11:33:57228 days 21 hrs ago 0x1b3771a66ee31180906972580ade9b81afc5fcdc 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0xeb0141497692d04ebad188b00bda133e4d474ff10c41e6a4dbdf4a66efc2d25554708012021-03-07 11:33:00228 days 21 hrs ago 0xf2511b5e4fb0e5e2d123004b672ba14850478c14 0x1b3771a66ee31180906972580ade9b81afc5fcdc0 BNB
0xeb0141497692d04ebad188b00bda133e4d474ff10c41e6a4dbdf4a66efc2d25554708012021-03-07 11:33:00228 days 21 hrs ago 0x2ebe8cdbcb5fb8564bc45999dab8da264e31f24e 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0xeb0141497692d04ebad188b00bda133e4d474ff10c41e6a4dbdf4a66efc2d25554708012021-03-07 11:33:00228 days 21 hrs ago 0x2ebe8cdbcb5fb8564bc45999dab8da264e31f24e 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0xd58e98fe80c09b093eaf926687be6c49790470ac839e6358b2623f631d015fef54706982021-03-07 11:27:51228 days 21 hrs ago 0xf2511b5e4fb0e5e2d123004b672ba14850478c14 0x1b3771a66ee31180906972580ade9b81afc5fcdc0 BNB
0xd58e98fe80c09b093eaf926687be6c49790470ac839e6358b2623f631d015fef54706982021-03-07 11:27:51228 days 21 hrs ago 0x2ebe8cdbcb5fb8564bc45999dab8da264e31f24e 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0xd58e98fe80c09b093eaf926687be6c49790470ac839e6358b2623f631d015fef54706982021-03-07 11:27:51228 days 21 hrs ago 0x2ebe8cdbcb5fb8564bc45999dab8da264e31f24e 0xf2511b5e4fb0e5e2d123004b672ba14850478c140 BNB
0xd9966659ce665cd08f6262e189a2f827de8180f9c3be94f5e037bdb4aad0bd6d54706922021-03-07 11:27:33228 days 21 hrs ago 0xf2511b5e4fb0e5e2d123004b672ba14850478c14 0x1b3771a66ee31180906972580ade9b81afc5fcdc0 BNB
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Contract Source Code Verified (Exact Match)

Contract Name:
LPToken

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 10000 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at BscScan.com on 2021-03-04
*/

// Sources flattened with hardhat v2.0.10 https://hardhat.org

// File @openzeppelin/contracts/GSN/[email protected]

// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

/*
 * @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.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address payable) {
        return msg.sender;
    }

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


// File @openzeppelin/contracts/token/ERC20/[email protected]

pragma solidity >=0.6.0 <0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `recipient`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `sender` to `recipient` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address sender, address recipient, uint256 amount) external returns (bool);

    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);
}


// File @openzeppelin/contracts/math/[email protected]


pragma solidity >=0.6.0 <0.8.0;

/**
 * @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.
     */
    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.
     */
    function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        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 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.
     */
    function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
        require(b != 0, errorMessage);
        return a % b;
    }
}


// File @openzeppelin/contracts/token/ERC20/[email protected]


pragma solidity >=0.6.0 <0.8.0;



/**
 * @dev Implementation of the {IERC20} interface.
 *
 * This implementation is agnostic to the way tokens are created. This means
 * that a supply mechanism has to be added in a derived contract using {_mint}.
 * For a generic mechanism see {ERC20PresetMinterPauser}.
 *
 * TIP: For a detailed writeup see our guide
 * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
 * to implement supply mechanisms].
 *
 * We have followed general OpenZeppelin guidelines: functions revert instead
 * of returning `false` on failure. This behavior is nonetheless conventional
 * and does not conflict with the expectations of ERC20 applications.
 *
 * Additionally, an {Approval} event is emitted on calls to {transferFrom}.
 * This allows applications to reconstruct the allowance for all accounts just
 * by listening to said events. Other implementations of the EIP may not emit
 * these events, as it isn't required by the specification.
 *
 * Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
 * functions have been added to mitigate the well-known issues around setting
 * allowances. See {IERC20-approve}.
 */
contract ERC20 is Context, IERC20 {
    using SafeMath for uint256;

    mapping (address => uint256) private _balances;

    mapping (address => mapping (address => uint256)) private _allowances;

    uint256 private _totalSupply;

    string private _name;
    string private _symbol;
    uint8 private _decimals;

    /**
     * @dev Sets the values for {name} and {symbol}, initializes {decimals} with
     * a default value of 18.
     *
     * To select a different value for {decimals}, use {_setupDecimals}.
     *
     * All three of these values are immutable: they can only be set once during
     * construction.
     */
    constructor (string memory name_, string memory symbol_) public {
        _name = name_;
        _symbol = symbol_;
        _decimals = 18;
    }

    /**
     * @dev Returns the name of the token.
     */
    function name() public view returns (string memory) {
        return _name;
    }

    /**
     * @dev Returns the symbol of the token, usually a shorter version of the
     * name.
     */
    function symbol() public view returns (string memory) {
        return _symbol;
    }

    /**
     * @dev Returns the number of decimals used to get its user representation.
     * For example, if `decimals` equals `2`, a balance of `505` tokens should
     * be displayed to a user as `5,05` (`505 / 10 ** 2`).
     *
     * Tokens usually opt for a value of 18, imitating the relationship between
     * Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
     * called.
     *
     * NOTE: This information is only used for _display_ purposes: it in
     * no way affects any of the arithmetic of the contract, including
     * {IERC20-balanceOf} and {IERC20-transfer}.
     */
    function decimals() public view returns (uint8) {
        return _decimals;
    }

    /**
     * @dev See {IERC20-totalSupply}.
     */
    function totalSupply() public view override returns (uint256) {
        return _totalSupply;
    }

    /**
     * @dev See {IERC20-balanceOf}.
     */
    function balanceOf(address account) public view override returns (uint256) {
        return _balances[account];
    }

    /**
     * @dev See {IERC20-transfer}.
     *
     * Requirements:
     *
     * - `recipient` cannot be the zero address.
     * - the caller must have a balance of at least `amount`.
     */
    function transfer(address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(_msgSender(), recipient, amount);
        return true;
    }

    /**
     * @dev See {IERC20-allowance}.
     */
    function allowance(address owner, address spender) public view virtual override returns (uint256) {
        return _allowances[owner][spender];
    }

    /**
     * @dev See {IERC20-approve}.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function approve(address spender, uint256 amount) public virtual override returns (bool) {
        _approve(_msgSender(), spender, amount);
        return true;
    }

    /**
     * @dev See {IERC20-transferFrom}.
     *
     * Emits an {Approval} event indicating the updated allowance. This is not
     * required by the EIP. See the note at the beginning of {ERC20}.
     *
     * Requirements:
     *
     * - `sender` and `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     * - the caller must have allowance for ``sender``'s tokens of at least
     * `amount`.
     */
    function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) {
        _transfer(sender, recipient, amount);
        _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
        return true;
    }

    /**
     * @dev Atomically increases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     */
    function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
        return true;
    }

    /**
     * @dev Atomically decreases the allowance granted to `spender` by the caller.
     *
     * This is an alternative to {approve} that can be used as a mitigation for
     * problems described in {IERC20-approve}.
     *
     * Emits an {Approval} event indicating the updated allowance.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `spender` must have allowance for the caller of at least
     * `subtractedValue`.
     */
    function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
        _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
        return true;
    }

    /**
     * @dev Moves tokens `amount` from `sender` to `recipient`.
     *
     * This is internal function is equivalent to {transfer}, and can be used to
     * e.g. implement automatic token fees, slashing mechanisms, etc.
     *
     * Emits a {Transfer} event.
     *
     * Requirements:
     *
     * - `sender` cannot be the zero address.
     * - `recipient` cannot be the zero address.
     * - `sender` must have a balance of at least `amount`.
     */
    function _transfer(address sender, address recipient, uint256 amount) internal virtual {
        require(sender != address(0), "ERC20: transfer from the zero address");
        require(recipient != address(0), "ERC20: transfer to the zero address");

        _beforeTokenTransfer(sender, recipient, amount);

        _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
        _balances[recipient] = _balances[recipient].add(amount);
        emit Transfer(sender, recipient, amount);
    }

    /** @dev Creates `amount` tokens and assigns them to `account`, increasing
     * the total supply.
     *
     * Emits a {Transfer} event with `from` set to the zero address.
     *
     * Requirements:
     *
     * - `to` cannot be the zero address.
     */
    function _mint(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: mint to the zero address");

        _beforeTokenTransfer(address(0), account, amount);

        _totalSupply = _totalSupply.add(amount);
        _balances[account] = _balances[account].add(amount);
        emit Transfer(address(0), account, amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, reducing the
     * total supply.
     *
     * Emits a {Transfer} event with `to` set to the zero address.
     *
     * Requirements:
     *
     * - `account` cannot be the zero address.
     * - `account` must have at least `amount` tokens.
     */
    function _burn(address account, uint256 amount) internal virtual {
        require(account != address(0), "ERC20: burn from the zero address");

        _beforeTokenTransfer(account, address(0), amount);

        _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
        _totalSupply = _totalSupply.sub(amount);
        emit Transfer(account, address(0), amount);
    }

    /**
     * @dev Sets `amount` as the allowance of `spender` over the `owner` s tokens.
     *
     * This internal function is equivalent to `approve`, and can be used to
     * e.g. set automatic allowances for certain subsystems, etc.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `owner` cannot be the zero address.
     * - `spender` cannot be the zero address.
     */
    function _approve(address owner, address spender, uint256 amount) internal virtual {
        require(owner != address(0), "ERC20: approve from the zero address");
        require(spender != address(0), "ERC20: approve to the zero address");

        _allowances[owner][spender] = amount;
        emit Approval(owner, spender, amount);
    }

    /**
     * @dev Sets {decimals} to a value other than the default one of 18.
     *
     * WARNING: This function should only be called from the constructor. Most
     * applications that interact with token contracts will not expect
     * {decimals} to ever change, and may work incorrectly if it does.
     */
    function _setupDecimals(uint8 decimals_) internal {
        _decimals = decimals_;
    }

    /**
     * @dev Hook that is called before any transfer of tokens. This includes
     * minting and burning.
     *
     * Calling conditions:
     *
     * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
     * will be to transferred to `to`.
     * - when `from` is zero, `amount` tokens will be minted for `to`.
     * - when `to` is zero, `amount` of ``from``'s tokens will be burned.
     * - `from` and `to` are never both zero.
     *
     * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
     */
    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
}


// File @openzeppelin/contracts/token/ERC20/[email protected]


pragma solidity >=0.6.0 <0.8.0;


/**
 * @dev Extension of {ERC20} that allows token holders to destroy both their own
 * tokens and those that they have an allowance for, in a way that can be
 * recognized off-chain (via event analysis).
 */
abstract contract ERC20Burnable is Context, ERC20 {
    using SafeMath for uint256;

    /**
     * @dev Destroys `amount` tokens from the caller.
     *
     * See {ERC20-_burn}.
     */
    function burn(uint256 amount) public virtual {
        _burn(_msgSender(), amount);
    }

    /**
     * @dev Destroys `amount` tokens from `account`, deducting from the caller's
     * allowance.
     *
     * See {ERC20-_burn} and {ERC20-allowance}.
     *
     * Requirements:
     *
     * - the caller must have allowance for ``accounts``'s tokens of at least
     * `amount`.
     */
    function burnFrom(address account, uint256 amount) public virtual {
        uint256 decreasedAllowance = allowance(account, _msgSender()).sub(amount, "ERC20: burn amount exceeds allowance");

        _approve(account, _msgSender(), decreasedAllowance);
        _burn(account, amount);
    }
}


// File @openzeppelin/contracts/access/[email protected]


pragma solidity >=0.6.0 <0.8.0;

/**
 * @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.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * 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.
 */
abstract 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(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}


// File contracts/interfaces/ISwap.sol

pragma solidity 0.6.12;

interface ISwap {
    // pool data view functions
    function getA() external view returns (uint256);

    function getToken(uint8 index) external view returns (IERC20);

    function getTokenIndex(address tokenAddress) external view returns (uint8);

    function getTokenBalance(uint8 index) external view returns (uint256);

    function getVirtualPrice() external view returns (uint256);

    // min return calculation functions
    function calculateSwap(
        uint8 tokenIndexFrom,
        uint8 tokenIndexTo,
        uint256 dx
    ) external view returns (uint256);

    function calculateTokenAmount(uint256[] calldata amounts, bool deposit)
        external
        view
        returns (uint256);

    function calculateRemoveLiquidity(uint256 amount)
        external
        view
        returns (uint256[] memory);

    function calculateRemoveLiquidityOneToken(
        uint256 tokenAmount,
        uint8 tokenIndex
    ) external view returns (uint256 availableTokenAmount);

    // state modifying functions
    function swap(
        uint8 tokenIndexFrom,
        uint8 tokenIndexTo,
        uint256 dx,
        uint256 minDy,
        uint256 deadline
    ) external returns (uint256);

    function addLiquidity(
        uint256[] calldata amounts,
        uint256 minToMint,
        uint256 deadline
    ) external returns (uint256);

    function removeLiquidity(
        uint256 amount,
        uint256[] calldata minAmounts,
        uint256 deadline
    ) external returns (uint256[] memory);

    function removeLiquidityOneToken(
        uint256 tokenAmount,
        uint8 tokenIndex,
        uint256 minAmount,
        uint256 deadline
    ) external returns (uint256);

    function removeLiquidityImbalance(
        uint256[] calldata amounts,
        uint256 maxBurnAmount,
        uint256 deadline
    ) external returns (uint256);

    // withdraw fee update function
    function updateUserWithdrawFee(address recipient, uint256 transferAmount)
        external;
}


// File contracts/LPToken.sol

pragma solidity 0.6.12;




/**
 * @title Liquidity Provider Token
 * @notice This token is an ERC20 detailed token with added capability to be minted by the owner.
 * It is used to represent user's shares when providing liquidity to swap contracts.
 */
contract LPToken is ERC20Burnable, Ownable {
    using SafeMath for uint256;

    // Address of the swap contract that owns this LP token. When a user adds liquidity to the swap contract,
    // they receive a proportionate amount of this LPToken.
    ISwap public swap;

    /**
     * @notice Deploys LPToken contract with given name, symbol, and decimals
     * @dev the caller of this constructor will become the owner of this contract
     * @param name_ name of this token
     * @param symbol_ symbol of this token
     * @param decimals_ number of decimals this token will be based on
     */
    constructor(
        string memory name_,
        string memory symbol_,
        uint8 decimals_
    ) public ERC20(name_, symbol_) {
        _setupDecimals(decimals_);
        swap = ISwap(_msgSender());
    }

    /**
     * @notice Mints the given amount of LPToken to the recipient.
     * @dev only owner can call this mint function
     * @param recipient address of account to receive the tokens
     * @param amount amount of tokens to mint
     */
    function mint(
        address recipient,
        uint256 amount
    ) external onlyOwner {
        require(amount != 0, "amount == 0");
        _mint(recipient, amount);
    }

    /**
     * @dev Overrides ERC20._beforeTokenTransfer() which get called on every transfers including
     * minting and burning. This ensures that swap.updateUserWithdrawFees are called everytime.
     */
    function _beforeTokenTransfer(
        address from,
        address to,
        uint256 amount
    ) internal override(ERC20) {
        super._beforeTokenTransfer(from, to, amount);
        swap.updateUserWithdrawFee(to, amount);
    }
}

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"string","name":"name_","type":"string"},{"internalType":"string","name":"symbol_","type":"string"},{"internalType":"uint8","name":"decimals_","type":"uint8"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burnFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"swap","outputs":[{"internalType":"contract ISwap","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

000000000000000000000000000000000000000000000000000000000000006000000000000000000000000000000000000000000000000000000000000000a00000000000000000000000000000000000000000000000000000000000000012000000000000000000000000000000000000000000000000000000000000000e4e657276652033706f6f6c204c500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000007334e52562d4c5000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : name_ (string): Nerve 3pool LP
Arg [1] : symbol_ (string): 3NRV-LP
Arg [2] : decimals_ (uint8): 18

-----Encoded View---------------
7 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000a0
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000012
Arg [3] : 000000000000000000000000000000000000000000000000000000000000000e
Arg [4] : 4e657276652033706f6f6c204c50000000000000000000000000000000000000
Arg [5] : 0000000000000000000000000000000000000000000000000000000000000007
Arg [6] : 334e52562d4c5000000000000000000000000000000000000000000000000000


Deployed ByteCode Sourcemap

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Swarm Source

ipfs://fcda39868ac44e8c02207e4bb78c32618d9684c2267348c82a382e319e75b6b2
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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