Contract 0x245330351344F9301690D5D8De2A07f5F32e1149

Contract Overview

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0 Ether
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0xc702d32d58b9ccc071a021acc7f9caabcff1c2de628d93ddf6533acc9e66d74aGimme106289932022-05-06 12:45:1661 days 6 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.00021199 5.15366877
0x5e75afb889398697329feeb119e94c0096e9a09eee88a51d1af0d61faf57cf88Gimme106286452022-05-06 11:17:5961 days 8 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.0002655 6.45458094
0x9e720147a34f5dd33720fd7e219b0471e1f6d6926d3ec2fca85889361cb9cb7dApprove106240192022-05-05 15:57:1362 days 3 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.000355467.70474265
0x648b21d0b1a334ddcd4ee713a6c16b6e294d5746ece3658e4a3a0b8b6c0963f3Approve106180402022-05-04 14:50:3463 days 4 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.0006334313.72983445
0x541cd110d198461491377d803277c16aa8f749984a6edd26b287b0a4b0532585Approve106172692022-05-04 11:37:2163 days 8 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.0003302211.3683758
0x8977d5c520a2dbf777718a3ce36122c3eb3c41436d040d3de4d8280a1eaba790Approve106172642022-05-04 11:36:0663 days 8 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.0003291712.54094502
0x69bd6361447ec52756d3b2615028d899dc86c721e49d2672c41934ee4e7f7c72Approve106172432022-05-04 11:30:5163 days 8 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.0003810214.51616633
0xc2549b9808fb43e5fa205ef22bff9145e9dfd5a2205b6fb701f04bf3a406ecc1Approve106172332022-05-04 11:28:1963 days 8 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.0007358215.9449678
0x818292e9490cdb78d119a0caf6c7fc5e2a2d1f9482b108bb88af7204ba21640fApprove106172042022-05-04 11:21:0463 days 8 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.000225388.59068931
0xb190ec7a3571e715cb67e148b07a224636cf3e2680ed0978c169f31cd79f84d6Approve106171982022-05-04 11:19:3463 days 8 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.000270369.31124044
0x328a94e690db27224f53531cfb6261717cf535cfd4cb0ca08a3fd856d7aac0efTransfer106137892022-05-03 21:05:3663 days 22 hrs ago0x398b10e364580dd6bdb28b57163ff0007adab231 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.00009403 1.82135857
0xb5b33650e937f5486e4f6b81b2c73eb906d02c6fbf7a03bc3297649da786dd26Approve106125042022-05-03 15:43:4164 days 3 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.000272815.91331363
0x8fbb5f6ea439fedfd4af086b6f4bd96fc16c3eaa102a10f31a15406406c0ae8bApprove106123222022-05-03 14:58:0164 days 4 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.000266955.7863485
0x893483f2ece5f82b00fe9edca4c195905b1345b6ab109b31195f0b14c85ea22eApprove106122182022-05-03 14:31:5764 days 5 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.000217494.71421249
0x755b01d37a531bcc21606b72af3f6885a0474d6cbc61cdae37f24ee67a41e62eApprove106121552022-05-03 14:16:1064 days 5 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.000102343.90094165
0x724d280c27c18c34f765b1aa9f63ea00793797b3bf5dce96db756f44cc62606fApprove106120872022-05-03 13:59:0464 days 5 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.000171053.70773031
0xf81e3b9d8ee32c6cea037249c08196f15adec91e7a23bea29b6c90496c668072Approve106120292022-05-03 13:44:3164 days 5 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.00020684.48241747
0xc4ed3264b0dd513ead189748c2d9af6dd7cdf662eb91c243ecaeac4ec516c506Approve106120262022-05-03 13:43:4664 days 5 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.000209874.54898432
0x85666190dc2aefb744dde9baf949c6aa1d59a11d8006b48b4920b866f7d635bfApprove106118142022-05-03 12:50:3764 days 6 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.0002623610
0xf729916784880a371dfcea11a90b12b4e4b7cf4ca8f3442f6145ca84d02bf239Approve106118072022-05-03 12:48:5264 days 6 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.0002623610
0xd6b223bd75362350a3256c8071f11dbc90f1f63c506fb9bb889cd8e7d42a645eApprove106118032022-05-03 12:47:5264 days 6 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.0004613610
0xa101f068069b7a34be74678ddb8347aece18001e385ba3644e17c048279b759cTransfer105861932022-04-29 1:53:0668 days 17 hrs ago0x398b10e364580dd6bdb28b57163ff0007adab231 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.00007746 1.50000002
0x0857f52826b870140f05d58eb0d6dce7f2f1f3db1f4ce206baf8edf7ff34b29bApprove105771732022-04-27 12:12:4170 days 7 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.0004613610
0x1cf31c9b6a384cf521f62b4a41d1a7c888d6818c5f17a47a0f1cf6cccb81a88aApprove105771142022-04-27 11:56:1870 days 7 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.0002903610
0xe76e9d6fdf36682f3cc2834e1a07b8e1a88785cd9b3e9744140c0069806e32b3Approve105771072022-04-27 11:54:3370 days 7 hrs ago0xf96c962f27fc42dc8f9bed53f6e35c61bb363ad8 IN  0x245330351344f9301690d5d8de2a07f5f32e11490 Ether0.0002627210
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Latest 25 internal transaction
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0xb48e5c2c3f6baef2263afe55fa45a8a1ab5ae3eb8d59ee3e0faac30c2ce72ecc106859812022-05-16 12:31:5951 days 7 hrs ago 0x05ab63bec9cfc3897a20de62f5f812de10301fdf 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0x1c5d8e5fb05707cf97d77b0b4036e5d4b08ac2683c3c6b120129c6d03c028db2106240202022-05-05 15:57:2862 days 3 hrs ago 0xd3fdb2b712140638b3cddfbec84fc367078f0930 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0xbcf214de23d19263f9829c6c41a1274f69582134d9e418e3b2289b1a2961ac23106234382022-05-05 13:31:4562 days 6 hrs ago 0xd3fdb2b712140638b3cddfbec84fc367078f0930 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0xfc8172ab4f4223320210ef41372f0376b7f0164461c2784c778ae4b0c6ba572a106180412022-05-04 14:50:4963 days 4 hrs ago 0xd3fdb2b712140638b3cddfbec84fc367078f0930 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0x1bf9530c817e7dff7a27c167a6ea33ab58bd66afc21a8319a485e98368f5948d106177172022-05-04 13:29:3663 days 6 hrs ago 0xd3fdb2b712140638b3cddfbec84fc367078f0930 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0x493cc2c55ee213e8f798611ea45c888fc4465f313976c91d40f55b4412a1f7b8106172702022-05-04 11:37:3663 days 8 hrs ago 0xd3fdb2b712140638b3cddfbec84fc367078f0930 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0x7c71d112f1a511b8519f94946f4525fdebf4a950ad9de2f1f3580374a142cefc106172652022-05-04 11:36:2163 days 8 hrs ago 0xd75e8b2c3d8b168b1bec6e9943d35d72f19860a3 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0x64531c006d7d780e1e8587d63ce669a47f48d004e415fbd43dc39facf95331aa106162462022-05-04 7:21:0563 days 12 hrs ago 0xd3fdb2b712140638b3cddfbec84fc367078f0930 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0xaa328a6a611df065fd2de68f260ca4107dd80b4afa4fa9219087fed8c2e79485106148312022-05-04 1:26:3563 days 18 hrs ago 0xb2cd67d30049fcb13b1385646b27c0ea4adce892 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0xcc5ffc009748c00d98fcbbd5ff0d6ba8d3d57501bf5ab96c22f46148cd0c0420106138042022-05-03 21:09:2163 days 22 hrs ago 0x05ab63bec9cfc3897a20de62f5f812de10301fdf 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0x2f068bfdd2ec69ed2a29e061759cc29afb724ae62b9e9d846f08566d47d52198106137692022-05-03 21:00:3663 days 22 hrs ago 0xb2cd67d30049fcb13b1385646b27c0ea4adce892 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0xc027aaa4d0c1a648faa178bfbaf5792550eec97a9d8d69f154616dd14be1d28e106123312022-05-03 15:00:1664 days 4 hrs ago 0xd3fdb2b712140638b3cddfbec84fc367078f0930 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0x41bfc77a72fec7abf0e38c6beef233f8318301e0f96b5b04bd454669461c8e28106122192022-05-03 14:32:1264 days 5 hrs ago 0xd3fdb2b712140638b3cddfbec84fc367078f0930 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0x276971bee46e7b8c8d3bbc65f1badde58abf2a606d9ae2104b58669e31e609b9106121582022-05-03 14:16:5564 days 5 hrs ago 0xd3fdb2b712140638b3cddfbec84fc367078f0930 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0x130403c71d74eb1e6c223edf6a3cee900803fd51859d822b2b973ee012e9b59c106120302022-05-03 13:44:4664 days 5 hrs ago 0xd3fdb2b712140638b3cddfbec84fc367078f0930 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0x39ac5fd1a9bde595019a32c885d3d51e4aff8966aa46e0c3f441257539e7487b106120272022-05-03 13:44:0164 days 5 hrs ago 0xd3fdb2b712140638b3cddfbec84fc367078f0930 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0x0fc1599faa2eee6e25acdf58708412208da10185d3e942dd7d48767fdc118eeb106118152022-05-03 12:50:5264 days 6 hrs ago 0xd75e8b2c3d8b168b1bec6e9943d35d72f19860a3 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0x079f422c58beb7f426341e8ab846145ed0298c72c2836d8df4ab35849631a925106080772022-05-02 21:14:2464 days 22 hrs ago 0xcffa27e8284036bbebf1bcecef39222d63c00f0b 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0x63c2c2c7f6197daf50f67327c18941ffccc9543d5e97c0b1cbe5ed4cd83f7885105862022022-04-29 1:55:2168 days 17 hrs ago 0x05ab63bec9cfc3897a20de62f5f812de10301fdf 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0xf721d50ceed0a296677b0072a054eb4ee5444e8a7bd7150b09d0f90fd900e080105811902022-04-28 4:59:3769 days 14 hrs ago 0x5b5c6193c77704939f15dda5aa3eef860bfc44fb 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0xd91ffa3871591e3ef2acae7360255fb45bc4fc7b9545f4359d87936ccf5e209b105803202022-04-28 1:21:2269 days 18 hrs ago 0x6d5ba663ddca573557c8420256dc85f31d9762b0 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0x99e87dfa50033da6a14f7577af1e396d4ef43baaf4ed05ad70fbaa4cbebd580d105774642022-04-27 13:25:3570 days 6 hrs ago 0x05ab63bec9cfc3897a20de62f5f812de10301fdf 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0x6809d83651551517511d2210efc7c1a40d5eb947dd2befcd8dbe084ee08a2414105771742022-04-27 12:12:5670 days 7 hrs ago 0x83928e0769774388f438e948b1aea5b3adbe0f16 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0x012d2b2bff9df2f48f05670411793b5a81b0c2c4a4892e3a4842867d771ce708105771152022-04-27 11:56:3370 days 7 hrs ago 0x83928e0769774388f438e948b1aea5b3adbe0f16 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
0xf74fe1c90faadff898cb127a14d28ae8b860f9d20b4acb42126208835470c198105729612022-04-26 18:33:2371 days 1 hr ago 0x203abc97fd2d78e4d9757866e71ce05e293f5a1e 0x245330351344f9301690d5d8de2a07f5f32e11490 Ether
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Contract Source Code Verified (Exact Match)

Contract Name:
MockToken

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 5 : MockToken.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;

import "@openzeppelin/contracts/token/ERC20/ERC20.sol";

/**
 * Mock token for unit testing
 * @dev {ERC20} token
 */
contract MockToken is ERC20 {

    mapping(address => uint256) gimmes;

    /**
     * See {ERC20-constructor}.
     */
    constructor(string memory name, string memory symbol, uint256 initSupply, uint8 decimals) public ERC20(name, symbol) {
        _setupDecimals(decimals);
        if(initSupply > 0) {
            _mint(msg.sender, initSupply);
        }
    }

    function gimme() external {
        uint256 lastGimme = gimmes[msg.sender];
        require(now - lastGimme >= 1 hours, "please wait 1 hour");
        uint256 amount = uint256(10).mul(uint256(10) ** decimals());
        gimmes[msg.sender] = now;
        _mint(msg.sender, amount);
    }
}

File 2 of 5 : Context.sol
// 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 3 of 5 : SafeMath.sol
// SPDX-License-Identifier: MIT

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 4 of 5 : ERC20.sol
// SPDX-License-Identifier: MIT

pragma solidity >=0.6.0 <0.8.0;

import "../../GSN/Context.sol";
import "./IERC20.sol";
import "../../math/SafeMath.sol";

/**
 * @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 5 of 5 : IERC20.sol
// SPDX-License-Identifier: MIT

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);
}

Settings
{
  "remappings": [],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "istanbul",
  "libraries": {
    "": {}
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  }
}

Contract ABI

[{"inputs":[{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"symbol","type":"string"},{"internalType":"uint256","name":"initSupply","type":"uint256"},{"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":"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":[],"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":[],"name":"gimme","outputs":[],"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":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"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"}]

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

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

-----Decoded View---------------
Arg [0] : name (string): xFUND Mock
Arg [1] : symbol (string): xFUNDMOCK
Arg [2] : initSupply (uint256): 100000000000
Arg [3] : decimals (uint8): 9

-----Encoded View---------------
8 Constructor Arguments found :
Arg [0] : 0000000000000000000000000000000000000000000000000000000000000080
Arg [1] : 00000000000000000000000000000000000000000000000000000000000000c0
Arg [2] : 000000000000000000000000000000000000000000000000000000174876e800
Arg [3] : 0000000000000000000000000000000000000000000000000000000000000009
Arg [4] : 000000000000000000000000000000000000000000000000000000000000000a
Arg [5] : 7846554e44204d6f636b00000000000000000000000000000000000000000000
Arg [6] : 0000000000000000000000000000000000000000000000000000000000000009
Arg [7] : 7846554e444d4f434b0000000000000000000000000000000000000000000000


Block Transaction Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.