Contract 0xcbec8e7ab969f6eb873df63d04b4eafc353574b1

 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0xbc9ed3e4b993eb77501e9dbab49ab432f4b78fdb4b06b2be510902356c9c25c1Withdraw108731932021-09-13 8:21:3012 days 22 hrs agoPancake Bunny: Deployer IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.000229565
0x4c4ba29f6771ed9a2737ef67eba0f530d7e7f95006db0e81b804b9db5508de52Withdraw108731742021-09-13 8:20:3312 days 22 hrs agoPancake Bunny: Deployer IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.000167465
0x38eefbb98d5714ba701ca20a7f4cc7b37cac6ae070b682d2b58f2b3f69b3af98Withdraw79383912021-06-02 6:23:35116 days 26 mins agoPancake Bunny: Deployer IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.000226155
0xc76354714a837e5e75c4800afa25c1ead07b9d889d0e2bfd69debd11a8fa461bWithdraw73197082021-05-11 11:41:49137 days 19 hrs agoPancake Bunny: Deployer IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.0002612454
0x086c3eee00d93f11aa1abf2b15a0143d35cb18d9f37f41595778c5e9f13d6ae0Withdraw73196012021-05-11 11:36:26137 days 19 hrs agoPancake Bunny: Deployer IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00075304
0xe9fc8e520a143b0c93fb9f054b9fd94623100379608dcce05fb4cbddf621518fSweep73195632021-05-11 11:34:06137 days 19 hrs agoPancake Bunny: Deployer IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.0131792
0x91b1f29b231c9896ba4e6012ba421760c56f479b605a31addd885f8dc7be0717Withdraw73195492021-05-11 11:33:18137 days 19 hrs agoPancake Bunny: Deployer IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00091826
0xf76b34e557d5402624a103a1fa9d8890223acc863407eeacda913f58fb115348Withdraw73195482021-05-11 11:33:15137 days 19 hrs agoPancake Bunny: Deployer IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00062104
0xbc4130a6006a3d19c1d4a054a80d86d8ea755e307066a53b11d7ce602289a79cZap In Token71934542021-05-06 19:09:14142 days 11 hrs ago0x1191a83564b99afd2dd42c0f584e3fd28dc1a931 IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00094264
0x72210245da2ed91a0469525aa7284ff6bf364912eaa73d2977c730e78723d61aZap In Token71323952021-05-04 14:59:55144 days 15 hrs ago0x1191a83564b99afd2dd42c0f584e3fd28dc1a931 IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00082092
0x4577d7cb9f064d36b06fd8e6859ed07b02e46cd85795f47bba374d22799e5671Zap In Token71323522021-05-04 14:57:46144 days 15 hrs ago0x1191a83564b99afd2dd42c0f584e3fd28dc1a931 IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00014825
0xa85e380dffe274e1539298fa63822eed3cdfb5e7cf171b9f85224c8cd0f72254Zap In Token71095252021-05-03 19:49:09145 days 11 hrs ago0x1191a83564b99afd2dd42c0f584e3fd28dc1a931 IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00101764
0x91b4ccc54a129385502136ababcca99c2180db863509044d07ccf19b52ed206cZap In Token70161322021-04-30 12:56:26148 days 17 hrs ago0x1191a83564b99afd2dd42c0f584e3fd28dc1a931 IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00082092
0xe6de50b05f7523d1e8dffa643c653fc204e74868410005222ea104dc1c98f32eZap In Token70115442021-04-30 9:05:56148 days 21 hrs ago0xad4e6bb7fed43649ef4f31b86208f4623434b730 IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00082092
0x72022ccfd0ab1538e4a16f818394aeba3e2bd25200a9d67161930bdf095f7668Zap In Token70092962021-04-30 7:08:01148 days 23 hrs ago0xecd8191b1fb1ad12449a90d9fd99cec44889d4fd IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.000219115
0x9516ad108020520f9f1966859217b722c67c493068fa186927fd0433e7f9dbe4Zap In Token70092372021-04-30 7:05:04148 days 23 hrs ago0xecd8191b1fb1ad12449a90d9fd99cec44889d4fd IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.000219115
0xe774e3d121c4c013b1ca486410d78afc0f0e177d729f90fbaa6b6fa986620f26Zap Out69888582021-04-29 13:58:30149 days 16 hrs ago0xa2fcb39603de8f25e6a0f305b4a8f6858369e70d IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00070492
0x31a584214d9018a3b2fc80fb44b0d75bbf6520f2d4872a579d72b83994933723Zap In Token69853322021-04-29 11:01:11149 days 19 hrs ago0x1a0c1d8533544dc4b9711b65c7e412f437e50bfd IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00082086
0x561ef1cbdb7c46fcae983e1c597f263c26a99e512ba5f5c7b0ba339906638affZap In Token69670952021-04-28 19:44:50150 days 11 hrs ago0x1a0c1d8533544dc4b9711b65c7e412f437e50bfd IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00088178
0x818cbf274c78afa3da2c69b9a9db64b7e73f0afbd7498be17f3e2352e76dcbb7Zap In Token69581002021-04-28 12:12:05150 days 18 hrs ago0x2fca70d5f22c11720e0ad66d0ab2a0e247fb85a8 IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00071014
0xbddefb92a0ca1a51e205c2e6e544e0884514e1ed5cdaf0da2b4eb74c16952d95Zap In Token69521212021-04-28 7:11:35150 days 23 hrs ago0x1191a83564b99afd2dd42c0f584e3fd28dc1a931 IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00094264
0xda992ad7f6f1533c0b706f4e100cd2ae1a2de5d623fb5a14e6d9b00c3f1c043eZap In Token69420382021-04-27 22:46:50151 days 8 hrs ago0x66c5af79b424d5e8fa2d26f94a52e144f3848d0f IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00082092
0xa162a74ec72737887441571879bfd9493c5d98df9cf120e380ae0df399b64a24Zap In Token69404832021-04-27 21:29:05151 days 9 hrs ago0x1a0c1d8533544dc4b9711b65c7e412f437e50bfd IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00094264
0xedaf81d9f21ed1f5c786a110267c688bb940e7e2dadc23bfdc4a405187c6108fZap In Token69302282021-04-27 12:46:38151 days 18 hrs ago0xa19e4a8811dca33346281e1d8db91089f6382506 IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00089546
0xa9f993480238bab669f750c1908c21c93418ba0f301a5d71b313faa6732187a7Zap Out69286952021-04-27 11:28:21151 days 19 hrs ago0x8c12e4fd87515783895b6a4ae9ae19caa346ae42 IN  0xcbec8e7ab969f6eb873df63d04b4eafc353574b10 BNB0.00070492
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0x4c4ba29f6771ed9a2737ef67eba0f530d7e7f95006db0e81b804b9db5508de52108731742021-09-13 8:20:3312 days 22 hrs ago 0xcbec8e7ab969f6eb873df63d04b4eafc353574b1Pancake Bunny: Deployer26.3737776787993971 BNB
0xd55d0e22558c3650144caa34764d837a68c5f985c1d15b2c1f3e45067b7781e079091252021-06-01 5:55:26117 days 54 mins ago PancakeSwap: Router 0xcbec8e7ab969f6eb873df63d04b4eafc353574b10.000002782280288981 BNB
0xd55d0e22558c3650144caa34764d837a68c5f985c1d15b2c1f3e45067b7781e079091252021-06-01 5:55:26117 days 54 mins ago 0xcbec8e7ab969f6eb873df63d04b4eafc353574b1 PancakeSwap: Router0.001391212776541123 BNB
0xd55d0e22558c3650144caa34764d837a68c5f985c1d15b2c1f3e45067b7781e079091252021-06-01 5:55:26117 days 54 mins ago 0xcbec8e7ab969f6eb873df63d04b4eafc353574b1 PancakeSwap: Router0.001391212776541122 BNB
0xd55d0e22558c3650144caa34764d837a68c5f985c1d15b2c1f3e45067b7781e079091252021-06-01 5:55:26117 days 54 mins ago PancakeSwap: Router 0xcbec8e7ab969f6eb873df63d04b4eafc353574b10.002782425553082245 BNB
0xca8561e5f403b297a8ab97ccb957aefc0edf210fd6bda5d9127b2c3a6d65332a79088342021-06-01 5:40:53117 days 1 hr ago 0xcbec8e7ab969f6eb873df63d04b4eafc353574b1 PancakeSwap: Router0.0025 BNB
0xca8561e5f403b297a8ab97ccb957aefc0edf210fd6bda5d9127b2c3a6d65332a79088342021-06-01 5:40:53117 days 1 hr ago 0xcbec8e7ab969f6eb873df63d04b4eafc353574b1 PancakeSwap: Router0.0025 BNB
0xca8561e5f403b297a8ab97ccb957aefc0edf210fd6bda5d9127b2c3a6d65332a79088342021-06-01 5:40:53117 days 1 hr ago 0x49bde9d364b7f411464077778496de1627afdbc3 0xcbec8e7ab969f6eb873df63d04b4eafc353574b10.005 BNB
0xa0f60f97c1355380757742718fa89f3cfd01de45752a704a727b83d9fe27971679084742021-06-01 5:22:51117 days 1 hr ago PancakeSwap: Router 0xcbec8e7ab969f6eb873df63d04b4eafc353574b10.000001416923033303 BNB
0xa0f60f97c1355380757742718fa89f3cfd01de45752a704a727b83d9fe27971679084742021-06-01 5:22:51117 days 1 hr ago 0xcbec8e7ab969f6eb873df63d04b4eafc353574b1 PancakeSwap: Router0.000708480204212657 BNB
0xa0f60f97c1355380757742718fa89f3cfd01de45752a704a727b83d9fe27971679084742021-06-01 5:22:51117 days 1 hr ago 0xcbec8e7ab969f6eb873df63d04b4eafc353574b1 PancakeSwap: Router0.000708480204212657 BNB
0xa0f60f97c1355380757742718fa89f3cfd01de45752a704a727b83d9fe27971679084742021-06-01 5:22:51117 days 1 hr ago PancakeSwap: Router 0xcbec8e7ab969f6eb873df63d04b4eafc353574b10.001416960408425314 BNB
0x81e6e872d17df02c90f789ac740b1a417ae106c138ed0c425ff3d83ac29c4f0479078272021-06-01 4:50:09117 days 2 hrs ago 0xcbec8e7ab969f6eb873df63d04b4eafc353574b1 PancakeSwap: Router0.01 BNB
0x81e6e872d17df02c90f789ac740b1a417ae106c138ed0c425ff3d83ac29c4f0479078272021-06-01 4:50:09117 days 2 hrs ago 0x49bde9d364b7f411464077778496de1627afdbc3 0xcbec8e7ab969f6eb873df63d04b4eafc353574b10.01 BNB
0x7c6d129f5e2ce920cf7a86c36cb1fb9775bcf31e2763e0fcdc4cf0384600640075944092021-05-21 6:26:50128 days 23 mins ago PancakeSwap: Router 0xcbec8e7ab969f6eb873df63d04b4eafc353574b10.001001420741393963 BNB
0x7c6d129f5e2ce920cf7a86c36cb1fb9775bcf31e2763e0fcdc4cf0384600640075944092021-05-21 6:26:50128 days 23 mins ago 0xcbec8e7ab969f6eb873df63d04b4eafc353574b1 PancakeSwap: Router0.502373457364455854 BNB
0x7c6d129f5e2ce920cf7a86c36cb1fb9775bcf31e2763e0fcdc4cf0384600640075944092021-05-21 6:26:50128 days 23 mins ago 0xcbec8e7ab969f6eb873df63d04b4eafc353574b1 PancakeSwap: Router0.502373457364455854 BNB
0x7c6d129f5e2ce920cf7a86c36cb1fb9775bcf31e2763e0fcdc4cf0384600640075944092021-05-21 6:26:50128 days 23 mins ago PancakeSwap: Router 0xcbec8e7ab969f6eb873df63d04b4eafc353574b11.004746914728911708 BNB
0xb59743cd1cee2726e9205d8d7219bd5fef5acd7a164ff9f9b6ddabf78c1e4a6e75944082021-05-21 6:26:47128 days 23 mins ago PancakeSwap: Router 0xcbec8e7ab969f6eb873df63d04b4eafc353574b10.008576643060925515 BNB
0xb59743cd1cee2726e9205d8d7219bd5fef5acd7a164ff9f9b6ddabf78c1e4a6e75944082021-05-21 6:26:47128 days 23 mins ago 0xcbec8e7ab969f6eb873df63d04b4eafc353574b1 PancakeSwap: Router4.416897123070607917 BNB
0xb59743cd1cee2726e9205d8d7219bd5fef5acd7a164ff9f9b6ddabf78c1e4a6e75944082021-05-21 6:26:47128 days 23 mins ago 0xcbec8e7ab969f6eb873df63d04b4eafc353574b1 PancakeSwap: Router4.416897123070607916 BNB
0xb59743cd1cee2726e9205d8d7219bd5fef5acd7a164ff9f9b6ddabf78c1e4a6e75944082021-05-21 6:26:47128 days 23 mins ago PancakeSwap: Router 0xcbec8e7ab969f6eb873df63d04b4eafc353574b18.833794246141215833 BNB
0x5de008528170b226ac5781b89aa3d87d87b74cd06e5b5f49a226873a6394160b75944032021-05-21 6:26:32128 days 23 mins ago PancakeSwap: Router 0xcbec8e7ab969f6eb873df63d04b4eafc353574b10.000058286472213134 BNB
0x5de008528170b226ac5781b89aa3d87d87b74cd06e5b5f49a226873a6394160b75944032021-05-21 6:26:32128 days 23 mins ago 0xcbec8e7ab969f6eb873df63d04b4eafc353574b1 PancakeSwap: Router0.029148837993707361 BNB
0x5de008528170b226ac5781b89aa3d87d87b74cd06e5b5f49a226873a6394160b75944032021-05-21 6:26:32128 days 23 mins ago 0xcbec8e7ab969f6eb873df63d04b4eafc353574b1 PancakeSwap: Router0.02914883799370736 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 Security Audit

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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