Contract 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c

 

Contract Overview

Balance:
79.455243134045098927 BNB

BNB Value:
$26,999.64 (@ $339.81/BNB)

Token:
Txn Hash
Block
From
To
Value [Txn Fee]
0x6c2e6797328553a35e542973d0e5f36d09d72d464f596d954528fb94c8733b3e84371622021-06-19 16:32:121 min ago0xf46a022c7b6fb312f2db06381a6a5d1faa88bfc4 IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.001040225
0xa45c4d1211f7c210d75d959aa909f5a76c9e3c07d0e671b30892406d189b29d784371442021-06-19 16:31:182 mins ago0x0335a2e7c107a48399f45e6ea3fbb0d556188592 IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.000980645
0x6fd98cfc96a0e266a719fd56686dc99e1a0632d84c110703185f9c141411d92584371342021-06-19 16:30:483 mins ago0xae25e13ae5a1351a149df1647191cca986599e03 IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.000980365
0x2d3f83c3ba21cd3e8a923bf661f0cb90d8fbae9b214c49f3d2d60c79fc74104b84371342021-06-19 16:30:483 mins ago0xf8e844bd68fd35b0e2c68c446db66c0884eca12f IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c3 BNB0.0006619
0x157d49c36ee04235523877a0954f7885c4ac753e150a0f837cd3f2ae20d7c6b384371302021-06-19 16:30:363 mins ago0xf8e844bd68fd35b0e2c68c446db66c0884eca12f IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.000677135
0xc82f8ec78dc8e84ba51feb897d500074b410feaa3ebd5cc84b40913fbf7c89cd84371252021-06-19 16:30:213 mins ago0x6362a77c7994f3286b3d67c65aec725c41a1aec4 IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.000541715
0x298a7494383d9a708238292bcf7b804264a82b26285b99c3c2d297937ce393a784371042021-06-19 16:29:184 mins ago0x1b98fccbf303040e3f300d6946a56333c4681a35 IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.000677075
0x533e27ba811ebf6187e68b9a53c77fc82e9c73d4500c07859f73d589243c15e484370962021-06-19 16:28:545 mins ago0xae25e13ae5a1351a149df1647191cca986599e03 IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.000965625
0x9c12d37d9ae3986d090c8c2992605830340dc7aba74016dc6559de9c10a9a96484370762021-06-19 16:27:546 mins ago0x92e5fef90e258b742c16bee2c674e9a8dfcec01b IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.001041005
0x9015ca2f455f9bfdc6f857605afff1faaed77b5ee53885d6fa4d1ebd3dd387a384370672021-06-19 16:27:276 mins ago0x350b85c5373ed0d8c29aa5f888bf6544fdda680c IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.0010213
0x92e46d23ec5cdf4cb0ca871e035faa7d266eaf8c77baed683ce2a67bc7108ec484370542021-06-19 16:26:487 mins ago0xd4599f033f82b038dc17451b2a157bdd3e13d48b IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.001026885
0x1d71e289db4cf2e56803ed4d747db7e2e0e181145230aeb116718ea4374d5d2d84370402021-06-19 16:26:067 mins ago0x466e752d090fd0e11159bf6053f647f7babbd8dc IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.001026825
0xf8f7c5ede7a980c8ddd02caec4e2ece906117d59b7c88b49d781747440fb426f84370212021-06-19 16:25:098 mins ago0x466e752d090fd0e11159bf6053f647f7babbd8dc IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.000602475
0xe23954d48fde966669c4b8815f6c4a85ba6b6d4ac893db3c63d8029f11c2078284369962021-06-19 16:23:5410 mins ago0xbe2031c90e81222189735f5fd9b3e1681bd53341 IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.001043812
0x86f2c206ba0079aeff8e6c8f64603199fe3f1b1fe00c4d6ac04a09adfc4df2d484369922021-06-19 16:23:4210 mins ago0xbe2031c90e81222189735f5fd9b3e1681bd53341 IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.001044988
0x6523400739d25ca21c7ee351094063db47ef4b1db187c4eb797b2eb1d7d11f9e84369892021-06-19 16:23:3310 mins ago0xf8e844bd68fd35b0e2c68c446db66c0884eca12f IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c4 BNB0.0007369
0x1356da21022110f0a307786749ae1bffea458194c7fc463e63c7f2d07cfae42184369702021-06-19 16:22:3611 mins ago0xec79312e5358d7b158efa7571f6ac5e85fc58b3d IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.000541655
0xdf8840c4723ed18860305e0b924246983e032ac28018fb4b3802c6b9c48a40c984369702021-06-19 16:22:3611 mins ago0xfa24dbe2f23bc04dd41c3ed9f6f7003448f0d154 IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.001101265
0x8c4f1d960be5117910fdf21fce8df5122d1d1ed4851ab389f22c1ed1ec2d0fc284369052021-06-19 16:19:2114 mins ago0xfeb50511e29eed2ce94d11fecf26f4d764c9bbb1 IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.00132207
0x0be37ee327839d20ce7385528956ea63886b50e5456587a133f34809d99ea30184369012021-06-19 16:19:0914 mins ago0x9f5fdca49a44cb9b7e7058492c919218315601ec IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.000677075
0x9aaf7e4be1bcb3529f03ecdf98e7a45343d2dd67d7310896df731a192e82f2a084368882021-06-19 16:18:3015 mins ago0x7109c5a68bf512cd7131a92ebd9a01132480e906 IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.000677135
0x399b5dccaf48268985d9fa8a980d91586ea8fe4a0cdcb3a858f824900eb7fc7984368662021-06-19 16:17:2416 mins ago0xa87d70abd193c37a100edabdd7c9669688270e8f IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.000677135
0xdd5459f3cbb9a23e119b4a55637be48691a2cd557b137ca81ff0cb2fb4fe5eb884368172021-06-19 16:14:5719 mins ago0x0fcd6b72bf18db80c9e770f8ceff5deaa1e459d0 IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.00074636
0xa73c1cf95f456d778ea12cc9291d3b3aee3951507f577f5dcc33726f1622160b84368162021-06-19 16:14:5419 mins ago0x25a180ad000a1bdcb4bfbd65279d43746fa17344 IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.001100705
0x09d4b8643662f7a2e39b7a692df44f4540d12d5c95ed91fc4bb762697ae8acdd84367732021-06-19 16:12:4521 mins ago0x259a10c4734b86f24077c0e5b99335fb36db749d IN  0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0 BNB0.001412605
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0x588e64457b0c17119b5f6b3046fb51f57ef478e14f41762dcbb4a64964bc76fd84371622021-06-19 16:32:121 min ago PancakeSwap: Router v2 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0.000052481309759975 BNB
0x588e64457b0c17119b5f6b3046fb51f57ef478e14f41762dcbb4a64964bc76fd84371622021-06-19 16:32:121 min ago 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c PancakeSwap: Router v20.020993291173131549 BNB
0x588e64457b0c17119b5f6b3046fb51f57ef478e14f41762dcbb4a64964bc76fd84371622021-06-19 16:32:121 min ago 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c PancakeSwap: Router v20.020993291173131549 BNB
0x588e64457b0c17119b5f6b3046fb51f57ef478e14f41762dcbb4a64964bc76fd84371622021-06-19 16:32:121 min ago PancakeSwap: Router v2 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0.041986582346263098 BNB
0x2d3f83c3ba21cd3e8a923bf661f0cb90d8fbae9b214c49f3d2d60c79fc74104b84371342021-06-19 16:30:483 mins ago 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c PancakeSwap: Router v23 BNB
0x4a7da6586f74b736f94d3c7400d91f6f8c3e183c237c81b5cb71438b039403a484371022021-06-19 16:29:124 mins ago PancakeSwap: Router v2 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0.000139112794190549 BNB
0x4a7da6586f74b736f94d3c7400d91f6f8c3e183c237c81b5cb71438b039403a484371022021-06-19 16:29:124 mins ago 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c PancakeSwap: Router v20.055647059539923271 BNB
0x4a7da6586f74b736f94d3c7400d91f6f8c3e183c237c81b5cb71438b039403a484371022021-06-19 16:29:124 mins ago 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c PancakeSwap: Router v20.055647059539923271 BNB
0x4a7da6586f74b736f94d3c7400d91f6f8c3e183c237c81b5cb71438b039403a484371022021-06-19 16:29:124 mins ago PancakeSwap: Router v2 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0.111294119079846542 BNB
0x524487c0ad99553480941fad444ed5cbbad4c8864b0646bcaea29e0d0041cf0d84370522021-06-19 16:26:427 mins ago 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c PancakeSwap: Router v20.00680934355961628 BNB
0x524487c0ad99553480941fad444ed5cbbad4c8864b0646bcaea29e0d0041cf0d84370522021-06-19 16:26:427 mins ago 0x8cb88701790f650f273c8bb2cc4c5f439cd65219 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0.00680934355961628 BNB
0x6523400739d25ca21c7ee351094063db47ef4b1db187c4eb797b2eb1d7d11f9e84369892021-06-19 16:23:3310 mins ago 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c PancakeSwap: Router v24 BNB
0x673f106b135a5f11956cca1bd85c54fa2369494e980f0f4ca43ad07b60bb7b9a84369422021-06-19 16:21:1212 mins ago 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c PancakeSwap: Router v20.012839423735914106 BNB
0x673f106b135a5f11956cca1bd85c54fa2369494e980f0f4ca43ad07b60bb7b9a84369422021-06-19 16:21:1212 mins ago 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c PancakeSwap: Router v20.012839423735914105 BNB
0x673f106b135a5f11956cca1bd85c54fa2369494e980f0f4ca43ad07b60bb7b9a84369422021-06-19 16:21:1212 mins ago PancakeSwap: Router v2 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0.025678847471828211 BNB
0x6f69eb4716c89485ca1d8bbd574b2f8b7e1fc8be1fd02b69656a44e2adf8aaf084368822021-06-19 16:18:1215 mins ago 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c PancakeSwap: Router v20.011124520711634603 BNB
0x6f69eb4716c89485ca1d8bbd574b2f8b7e1fc8be1fd02b69656a44e2adf8aaf084368822021-06-19 16:18:1215 mins ago 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c PancakeSwap: Router v20.011124520711634602 BNB
0x6f69eb4716c89485ca1d8bbd574b2f8b7e1fc8be1fd02b69656a44e2adf8aaf084368822021-06-19 16:18:1215 mins ago PancakeSwap: Router v2 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0.022249041423269205 BNB
0xf0dd0288f913c8e1713ad2c073668a81b5ad8d51d9b9dc23d0eec0567cc258c484366392021-06-19 16:06:0327 mins ago PancakeSwap: Router v2 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0.000892747796103965 BNB
0xf0dd0288f913c8e1713ad2c073668a81b5ad8d51d9b9dc23d0eec0567cc258c484366392021-06-19 16:06:0327 mins ago 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c PancakeSwap: Router v20.357153424138215616 BNB
0xf0dd0288f913c8e1713ad2c073668a81b5ad8d51d9b9dc23d0eec0567cc258c484366392021-06-19 16:06:0327 mins ago 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c PancakeSwap: Router v20.357153424138215616 BNB
0xf0dd0288f913c8e1713ad2c073668a81b5ad8d51d9b9dc23d0eec0567cc258c484366392021-06-19 16:06:0327 mins ago PancakeSwap: Router v2 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0.714306848276431232 BNB
0xdd2ae9e90083b4c74638d0f5acd08a075cafbca7821b40c62c904b8b8506f68d84366382021-06-19 16:06:0027 mins ago PancakeSwap: Router v2 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c0.000374192178657293 BNB
0xdd2ae9e90083b4c74638d0f5acd08a075cafbca7821b40c62c904b8b8506f68d84366382021-06-19 16:06:0027 mins ago 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c PancakeSwap: Router v20.15 BNB
0xdd2ae9e90083b4c74638d0f5acd08a075cafbca7821b40c62c904b8b8506f68d84366382021-06-19 16:06:0027 mins ago 0xdc2bbb0d33e0e7dea9f5b98f46edbac823586a0c PancakeSwap: Router v20.15 BNB
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Contract Source Code Verified (Similar Match)
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0x7e1eA653451352825540618878d5655a97d46748

Contract Name:
AdminUpgradeabilityProxy

Compiler Version
v0.6.8+commit.0bbfe453

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, None license
/**
 *Submitted for verification at BscScan.com on 2021-02-04
*/

// SPDX-License-Identifier: MIT

// File: MasterChef/contracts-proxy/Proxy.sol

pragma solidity ^0.6.0;

/**
 * @title Proxy
 * @dev Implements delegation of calls to other contracts, with proper
 * forwarding of return values and bubbling of failures.
 * It defines a fallback function that delegates all calls to the address
 * returned by the abstract _implementation() internal function.
 */
abstract contract Proxy {
  /**
   * @dev Fallback function.
   * Implemented entirely in `_fallback`.
   */
  fallback () payable external {
    _fallback();
  }

  /**
   * @dev Receive function.
   * Implemented entirely in `_fallback`.
   */
  receive () payable external {
    _fallback();
  }

  /**
   * @return The Address of the implementation.
   */
  function _implementation() internal virtual view returns (address);

  /**
   * @dev Delegates execution to an implementation contract.
   * This is a low level function that doesn't return to its internal call site.
   * It will return to the external caller whatever the implementation returns.
   * @param implementation Address to delegate.
   */
  function _delegate(address implementation) internal {
    assembly {
      // Copy msg.data. We take full control of memory in this inline assembly
      // block because it will not return to Solidity code. We overwrite the
      // Solidity scratch pad at memory position 0.
      calldatacopy(0, 0, calldatasize())

      // Call the implementation.
      // out and outsize are 0 because we don't know the size yet.
      let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

      // Copy the returned data.
      returndatacopy(0, 0, returndatasize())

      switch result
      // delegatecall returns 0 on error.
      case 0 { revert(0, returndatasize()) }
      default { return(0, returndatasize()) }
    }
  }

  /**
   * @dev Function that is run as the first thing in the fallback function.
   * Can be redefined in derived contracts to add functionality.
   * Redefinitions must call super._willFallback().
   */
  function _willFallback() internal virtual {
  }

  /**
   * @dev fallback implementation.
   * Extracted to enable manual triggering.
   */
  function _fallback() internal {
    _willFallback();
    _delegate(_implementation());
  }
}

// File: @openzeppelin/contracts/utils/Address.sol

pragma solidity >=0.6.2 <0.8.0;

/**
 * @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) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }

    /**
     * @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].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

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

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain`call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
      return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        require(isContract(target), "Address: call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.call{ value: value }(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data, string memory errorMessage) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.staticcall(data);
        return _verifyCallResult(success, returndata, errorMessage);
    }

    function _verifyCallResult(bool success, bytes memory returndata, string memory errorMessage) private pure returns(bytes memory) {
        if (success) {
            return returndata;
        } else {
            // Look for revert reason and bubble it up if present
            if (returndata.length > 0) {
                // The easiest way to bubble the revert reason is using memory via assembly

                // solhint-disable-next-line no-inline-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// File: MasterChef/contracts-proxy/UpgradeabilityProxy.sol

pragma solidity ^0.6.0;



/**
 * @title UpgradeabilityProxy
 * @dev This contract implements a proxy that allows to change the
 * implementation address to which it will delegate.
 * Such a change is called an implementation upgrade.
 */
contract UpgradeabilityProxy is Proxy {
  /**
   * @dev Contract constructor.
   * @param _logic Address of the initial implementation.
   * @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
   * It should include the signature and the parameters of the function to be called, as described in
   * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
   * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
   */
  constructor(address _logic, bytes memory _data) public payable {
    assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1));
    _setImplementation(_logic);
    if(_data.length > 0) {
      (bool success,) = _logic.delegatecall(_data);
      require(success);
    }
  }  

  /**
   * @dev Emitted when the implementation is upgraded.
   * @param implementation Address of the new implementation.
   */
  event Upgraded(address indexed implementation);

  /**
   * @dev Storage slot with the address of the current implementation.
   * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
   * validated in the constructor.
   */
  bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

  /**
   * @dev Returns the current implementation.
   * @return impl Address of the current implementation
   */
  function _implementation() internal override view returns (address impl) {
    bytes32 slot = IMPLEMENTATION_SLOT;
    assembly {
      impl := sload(slot)
    }
  }

  /**
   * @dev Upgrades the proxy to a new implementation.
   * @param newImplementation Address of the new implementation.
   */
  function _upgradeTo(address newImplementation) internal {
    _setImplementation(newImplementation);
    emit Upgraded(newImplementation);
  }

  /**
   * @dev Sets the implementation address of the proxy.
   * @param newImplementation Address of the new implementation.
   */
  function _setImplementation(address newImplementation) internal {
    require(Address.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address");

    bytes32 slot = IMPLEMENTATION_SLOT;

    assembly {
      sstore(slot, newImplementation)
    }
  }
}

// File: MasterChef/contracts-proxy/AdminUpgradeabilityProxy.sol

pragma solidity ^0.6.0;


/**
 * @title AdminUpgradeabilityProxy
 * @dev This contract combines an upgradeability proxy with an authorization
 * mechanism for administrative tasks.
 * All external functions in this contract must be guarded by the
 * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity
 * feature proposal that would enable this to be done automatically.
 */
contract AdminUpgradeabilityProxy is UpgradeabilityProxy {
  /**
   * Contract constructor.
   * @param _logic address of the initial implementation.
   * @param _admin Address of the proxy administrator.
   * @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
   * It should include the signature and the parameters of the function to be called, as described in
   * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
   * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
   */
  constructor(address _logic, address _admin, bytes memory _data) UpgradeabilityProxy(_logic, _data) public payable {
    assert(ADMIN_SLOT == bytes32(uint256(keccak256('eip1967.proxy.admin')) - 1));
    _setAdmin(_admin);
  }

  /**
   * @dev Emitted when the administration has been transferred.
   * @param previousAdmin Address of the previous admin.
   * @param newAdmin Address of the new admin.
   */
  event AdminChanged(address previousAdmin, address newAdmin);

  /**
   * @dev Storage slot with the admin of the contract.
   * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
   * validated in the constructor.
   */

  bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

  /**
   * @dev Modifier to check whether the `msg.sender` is the admin.
   * If it is, it will run the function. Otherwise, it will delegate the call
   * to the implementation.
   */
  modifier ifAdmin() {
    if (msg.sender == _admin()) {
      _;
    } else {
      _fallback();
    }
  }

  /**
   * @return The address of the proxy admin.
   */
  function admin() external ifAdmin returns (address) {
    return _admin();
  }

  /**
   * @return The address of the implementation.
   */
  function implementation() external ifAdmin returns (address) {
    return _implementation();
  }

  /**
   * @dev Changes the admin of the proxy.
   * Only the current admin can call this function.
   * @param newAdmin Address to transfer proxy administration to.
   */
  function changeAdmin(address newAdmin) external ifAdmin {
    require(newAdmin != address(0), "Cannot change the admin of a proxy to the zero address");
    emit AdminChanged(_admin(), newAdmin);
    _setAdmin(newAdmin);
  }

  /**
   * @dev Upgrade the backing implementation of the proxy.
   * Only the admin can call this function.
   * @param newImplementation Address of the new implementation.
   */
  function upgradeTo(address newImplementation) external ifAdmin {
    _upgradeTo(newImplementation);
  }

  /**
   * @dev Upgrade the backing implementation of the proxy and call a function
   * on the new implementation.
   * This is useful to initialize the proxied contract.
   * @param newImplementation Address of the new implementation.
   * @param data Data to send as msg.data in the low level call.
   * It should include the signature and the parameters of the function to be called, as described in
   * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
   */
  function upgradeToAndCall(address newImplementation, bytes calldata data) payable external ifAdmin {
    _upgradeTo(newImplementation);
    (bool success,) = newImplementation.delegatecall(data);
    require(success);
  }

  /**
   * @return adm The admin slot.
   */
  function _admin() internal view returns (address adm) {
    bytes32 slot = ADMIN_SLOT;
    assembly {
      adm := sload(slot)
    }
  }

  /**
   * @dev Sets the address of the proxy admin.
   * @param newAdmin Address of the new proxy admin.
   */
  function _setAdmin(address newAdmin) internal {
    bytes32 slot = ADMIN_SLOT;

    assembly {
      sstore(slot, newAdmin)
    }
  }

  /**
   * @dev Only fall back when the sender is not the admin.
   */
  function _willFallback() internal override virtual {
    require(msg.sender != _admin(), "Cannot call fallback function from the proxy admin");
    super._willFallback();
  }
}

Contract ABI

[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"address","name":"_admin","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"changeAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"}],"name":"upgradeTo","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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Deployed ByteCode Sourcemap

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Swarm Source

ipfs://6e221e2a3547bd97244b05ed46430b1b078ba097cb2a4e25ec3d79cf9ac9f02c
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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