Contract 0x8650c67ea14e5cb00c36b33527f89fc2ca816964 2

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0x87d3b529d9a223e40faf4dc95e4bb66481e8a241977de4bc5d13f7c159d0c2020x1e03b5b985720492021-05-05 9:24:53141 days 14 hrs ago0xcdc2e95dcdaf99cbf7c54a4b9cab39a78103ca86 IN  0x8650c67ea14e5cb00c36b33527f89fc2ca8169640 BNB0.00116231
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0xc007ac72431ac9ce3bbe9208e13ffc879a3fae48ebce170feb88519c7b3d64a10x1e03b5b985720472021-05-05 9:24:47141 days 14 hrs ago0xcdc2e95dcdaf99cbf7c54a4b9cab39a78103ca86 IN  0x8650c67ea14e5cb00c36b33527f89fc2ca8169640 BNB0.00116231
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0xd8be215576d408ff8e70a196061a35aee7e75d16f80d96595d83b5b7311f5f660x1e03b5b985720422021-05-05 9:24:32141 days 14 hrs ago0xcdc2e95dcdaf99cbf7c54a4b9cab39a78103ca86 IN  0x8650c67ea14e5cb00c36b33527f89fc2ca8169640 BNB0.00116219
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0x80b2b6b4f6c6c59751eb6cc3db1f9d1ca22b0c7bbfb33d556225ed212d22cd4c0x1e03b5b985720382021-05-05 9:24:20141 days 14 hrs ago0xcdc2e95dcdaf99cbf7c54a4b9cab39a78103ca86 IN  0x8650c67ea14e5cb00c36b33527f89fc2ca8169640 BNB0.00159608
0x4ac5d7b13a03ddad32950aa6202a07c416aa22c143dfc0cc0342570433e6b3ae0x1e03b5b985720372021-05-05 9:24:17141 days 14 hrs ago0xcdc2e95dcdaf99cbf7c54a4b9cab39a78103ca86 IN  0x8650c67ea14e5cb00c36b33527f89fc2ca8169640 BNB0.00159608
0x4893ffda3e62d4f9e5233e6f0dd79e039f1b52fd7afd8554555d41143a43c0cb0x1e03b5b985720372021-05-05 9:24:17141 days 14 hrs ago0xcdc2e95dcdaf99cbf7c54a4b9cab39a78103ca86 IN  0x8650c67ea14e5cb00c36b33527f89fc2ca8169640 BNB0.00202985
0xb994da6e623075cf6a453e4554c8a00f479f3084fed1043a101d1dd437503ee00x1e03b5b985720352021-05-05 9:24:11141 days 14 hrs ago0xcdc2e95dcdaf99cbf7c54a4b9cab39a78103ca86 IN  0x8650c67ea14e5cb00c36b33527f89fc2ca8169640 BNB0.00131231
0x189a88344a6f60826355174f00af312ddf8f4fc57e863f974d20f6d47279eac20x6080604085437472021-05-04 9:49:47142 days 13 hrs ago0xcdc2e95dcdaf99cbf7c54a4b9cab39a78103ca86 IN  Contract Creation0 BNB0.00531687
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0x36ebda4e8bc886fa5bd36bb0a826f6dd1722e9ce1efce0037c6339af3d83855b85722562021-05-05 9:35:14141 days 13 hrs ago 0x8650c67ea14e5cb00c36b33527f89fc2ca816964 0x0d3a05564821686cc7fb534ee44485b8025eb4e80 BNB
0x36ebda4e8bc886fa5bd36bb0a826f6dd1722e9ce1efce0037c6339af3d83855b85722562021-05-05 9:35:14141 days 13 hrs ago 0xca7b46a4e1412e5335a3b963b55a843910d61a31 0x8650c67ea14e5cb00c36b33527f89fc2ca8169640 BNB
0xa297ff3e4f8f5f23f5a013638d8cb4b20bbb98ed4b5fa5e8245d97800cb7516685722562021-05-05 9:35:14141 days 13 hrs ago 0x8650c67ea14e5cb00c36b33527f89fc2ca816964 0x0d3a05564821686cc7fb534ee44485b8025eb4e80 BNB
0xa297ff3e4f8f5f23f5a013638d8cb4b20bbb98ed4b5fa5e8245d97800cb7516685722562021-05-05 9:35:14141 days 13 hrs ago 0xca7b46a4e1412e5335a3b963b55a843910d61a31 0x8650c67ea14e5cb00c36b33527f89fc2ca8169640 BNB
0x8096be5ca5edf71e7f5009c0e14ac9ef61f1eae8ce08416c21d4a1b82e5ba9f985722552021-05-05 9:35:11141 days 13 hrs ago 0x8650c67ea14e5cb00c36b33527f89fc2ca816964 0x0d3a05564821686cc7fb534ee44485b8025eb4e80 BNB
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0xf6acd174755ed708da9c4e54c97222207255ed8e72b6b84d640c3c1d8c5c927f85722512021-05-05 9:34:59141 days 13 hrs ago 0x8650c67ea14e5cb00c36b33527f89fc2ca816964 0x0d3a05564821686cc7fb534ee44485b8025eb4e80 BNB
0xf6acd174755ed708da9c4e54c97222207255ed8e72b6b84d640c3c1d8c5c927f85722512021-05-05 9:34:59141 days 13 hrs ago 0x7d45b5ea9acad78502c307994e04d52534c61140 0x8650c67ea14e5cb00c36b33527f89fc2ca8169640 BNB
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0x765f99b22fea810ad6c8cced0f93915042b1a1329d27c5f3e1cc5cfa5d66fdbe85722512021-05-05 9:34:59141 days 13 hrs ago 0x7d45b5ea9acad78502c307994e04d52534c61140 0x8650c67ea14e5cb00c36b33527f89fc2ca8169640 BNB
0xf5ec92a00b5e2149fc9fe605a585f011cdbbc63efafb8b39cff778b6517497ce85722482021-05-05 9:34:50141 days 13 hrs ago 0x8650c67ea14e5cb00c36b33527f89fc2ca816964 0x0d3a05564821686cc7fb534ee44485b8025eb4e80 BNB
0xf5ec92a00b5e2149fc9fe605a585f011cdbbc63efafb8b39cff778b6517497ce85722482021-05-05 9:34:50141 days 13 hrs ago 0x4f12ee77c6d456699e1249c027df16fad370c578 0x8650c67ea14e5cb00c36b33527f89fc2ca8169640 BNB
0xd619b01b443eece8764c4356f7a58240b5d3b2547e733e7c15006c1889a724d985722482021-05-05 9:34:50141 days 13 hrs ago 0x8650c67ea14e5cb00c36b33527f89fc2ca816964 0x0d3a05564821686cc7fb534ee44485b8025eb4e80 BNB
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0x080d0bba27167d8775bf6c3068b61faab3129efb475b14f5d8f068767925d4a885722472021-05-05 9:34:47141 days 13 hrs ago 0x8650c67ea14e5cb00c36b33527f89fc2ca816964 0x0d3a05564821686cc7fb534ee44485b8025eb4e80 BNB
0x080d0bba27167d8775bf6c3068b61faab3129efb475b14f5d8f068767925d4a885722472021-05-05 9:34:47141 days 13 hrs ago 0x4f12ee77c6d456699e1249c027df16fad370c578 0x8650c67ea14e5cb00c36b33527f89fc2ca8169640 BNB
0xd42c5c9d19965511106e85e4720fcc1bb58f80c5f9869e724eba18e8037821d685722462021-05-05 9:34:44141 days 13 hrs ago 0x8650c67ea14e5cb00c36b33527f89fc2ca816964 0x0d3a05564821686cc7fb534ee44485b8025eb4e80 BNB
0xd42c5c9d19965511106e85e4720fcc1bb58f80c5f9869e724eba18e8037821d685722462021-05-05 9:34:44141 days 13 hrs ago 0x4f12ee77c6d456699e1249c027df16fad370c578 0x8650c67ea14e5cb00c36b33527f89fc2ca8169640 BNB
0x0598e1d0829c090fecbefcc15fea6816651e23bdc1eb9f09204a99e099b78d4885722462021-05-05 9:34:44141 days 13 hrs ago 0x8650c67ea14e5cb00c36b33527f89fc2ca816964 0x0d3a05564821686cc7fb534ee44485b8025eb4e80 BNB
0x0598e1d0829c090fecbefcc15fea6816651e23bdc1eb9f09204a99e099b78d4885722462021-05-05 9:34:44141 days 13 hrs ago 0x4f12ee77c6d456699e1249c027df16fad370c578 0x8650c67ea14e5cb00c36b33527f89fc2ca8169640 BNB
0x74c88eae4d1379dd61e5386fcae0a52d685ba1448ab45d7ccf6b322aaa871bb385722452021-05-05 9:34:41141 days 13 hrs ago 0x8650c67ea14e5cb00c36b33527f89fc2ca816964 0x0d3a05564821686cc7fb534ee44485b8025eb4e80 BNB
0x74c88eae4d1379dd61e5386fcae0a52d685ba1448ab45d7ccf6b322aaa871bb385722452021-05-05 9:34:41141 days 13 hrs ago 0x4f12ee77c6d456699e1249c027df16fad370c578 0x8650c67ea14e5cb00c36b33527f89fc2ca8169640 BNB
0x0b6d924492c0641001e4cf7e786b87e162caea588c3a25bc9bb0caeb1a05edaa85722452021-05-05 9:34:41141 days 13 hrs ago 0x8650c67ea14e5cb00c36b33527f89fc2ca816964 0x0d3a05564821686cc7fb534ee44485b8025eb4e80 BNB
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Contract Source Code Verified (Similar Match)
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0xBc775a24BC0172f835cE67BbFEbc453CB3c53DF0

Contract Name:
AdminUpgradeabilityProxy

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 4 : AdminUpgradeabilityProxy.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;

import './UpgradeabilityProxy.sol';

/**
 * @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();
  }
}

File 2 of 4 : UpgradeabilityProxy.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.6.0;

import './Proxy.sol';
import '@openzeppelin/contracts/utils/Address.sol';

/**
 * @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 3 of 4 : Proxy.sol
// SPDX-License-Identifier: MIT

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 4 of 4 : Address.sol
// SPDX-License-Identifier: MIT

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);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        // solhint-disable-next-line avoid-low-level-calls
        (bool success, bytes memory returndata) = target.delegatecall(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);
            }
        }
    }
}

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

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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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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