Contract 0xf84e3809971798bd372aecdc03ae977759a619ab 1

 

Contract Overview

Balance:
180.495313533516236343 BNB

BNB Value:
$60,516.47 (@ $335.28/BNB)

Token:
 
Txn Hash
Block
From
To
Value [Txn Fee]
0xdc827f34fd97e0b59d0bdc6ce9a3d48262f79954d30ec2fdc55dbebfc0efb25897757322021-08-05 18:17:083 mins ago0xbe93d940ade0ef119793bef3a5102f8d1dbc95e6 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.001990296
0xf24f8408ed6464251dace83c635c277e7ed0f71ce4b075379821ca561a64fb3d97756842021-08-05 18:14:306 mins ago0x554816ca45c6100defb2ac64efe3750e96e3a143 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00158358
0xb4c4e2f4ea1119f337be558fae75391f387f36f28b2fd6b6601c25bd708c515e97756592021-08-05 18:13:077 mins ago0x91481a3060c990d250970c5ce5a96f1cfdc8e0c7 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00150858
0x85fc54218c46112c114db196a034456c6b2b71416701c2abbc19088618cc3a1c97756022021-08-05 18:09:4910 mins ago0x1d0ddeb01e0fc3f5d08e21fccead4336456fb7ef IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00014971
0x60a50baa1ed2ab58a6ec1f005d77d946da0faf8a47d2b3100195d80fdf7bd12097755482021-08-05 18:06:4913 mins ago0xe6d5956e6d74373d3c52e31e2cae702018096952 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00158358
0x27393ad5d3bb5c545440e2a0503948740918df78129d640531f76a3bbd887ba997754932021-08-05 18:04:0416 mins ago0xd24b9f42a4e2165fbd5fdb434a308b08d629c100 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00059422
0xf3169c9b1b0587880c04c38a0058e53a205059a58cc521b268586cd90a16348597754302021-08-05 18:00:5519 mins ago0xb4e74af859102fd006da4f6086f9ed5f695c524c IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00150858
0xd7df58374233d01dc8aace8821c28f909835c0917d3f06a11d31ec8bdd0fcec197754242021-08-05 18:00:3720 mins ago0x94db25fd005631c83dd3be6795373f7d168cffec IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00158358
0xf92d049b84daf91e4de4ae0e82522c3c0c5f827fbada531741585b1b2b4cacf397754002021-08-05 17:59:2521 mins ago0x809c60fa0841339b470f74277748c4bb56f58d29 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00165858
0xfb25b79be806f43a106588daa03bc1a60f9bfb6f09bf57405c13cf74d67bceb097753382021-08-05 17:56:1924 mins ago0x6d84cb2951c18afa587e9e53c578d692e9f5e391 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00158358
0xe73d695782e8d37b8e53f7a8643cd2654971be13f1b638bf3e9d78ab5d58344997752942021-08-05 17:54:0726 mins ago0x33d68efa6d2428c03098ac239ee304ea3149357b IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00158358
0xd7dd7d4f2fa1463cca4c9dbc9b05e0e9319ebc6302d37ec9306e25efde4801ac97751422021-08-05 17:46:3134 mins ago0x67d5a90bb325ac1abd61562c7c13c4bff7c42c9a IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00150858
0x3f79008b6714c11d17e0cbc861ae90d3ee56fe837b35be1e278970ada08de58b97751292021-08-05 17:45:5234 mins ago0x924271e67c50ad708df5fa5e67c9063bb95b8c4d IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.0016152516
0x59fef8287f3308651908e2bad7933fa5a4b0d967c99cf5f6adbcf97e85a22a4f97751052021-08-05 17:44:4036 mins ago0xaebc8b700fce979e947c9bff4e5f75dee4694a86 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00158358
0xc0760bda9a9a38ef454924b73a79913d660701e4cdf29d0acf814ce3d4037a1297751022021-08-05 17:44:3136 mins ago0xe75d2a8f23ca272ceaf624638fdad0a98a052cf6 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.002260296
0x4c134799e9c43593635a79af3152e809cff4eac8a7144c79bd065022e90f014497750102021-08-05 17:39:5540 mins ago0xa5e4b270db151dc435b9959d0e32c7dd986c5d25 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00158358
0x57eb1969fed62dfea2037d0cb344e1bfc432d28e03506049ef533d13101c842e97750082021-08-05 17:39:4940 mins ago0xb202d19525bbdd9a6d8a5e95d1b5f1cb510abb42 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00165858
0x8b7206f94dc6d338c0aae9b87e4d758079c0bd77bc2c4e9f4f1866a915e48eb197749372021-08-05 17:36:0644 mins ago0xa6533890a013e6ef7830bb5db9db9c59491f233a IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00188358
0x6c06ce63c81b45a0eefa2d9329fb799a21ebf60f035b1999b963a28ab367f46397748652021-08-05 17:32:1048 mins ago0x52b4492f1a06e8c22a6fc1484ec10a899b85d524 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00150858
0xfd9951cd63d1bf1fe3fd03045cb9842af687327fff8b7cc700df6015704225b797748012021-08-05 17:28:4351 mins ago0x7cf70d1b081de7c5b1e376e066c9ce1e86c6ffb4 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00059422
0xbf860c3eac5164ea015242c3c63ac4074b8be531e9119ae183a934e225ffcd9a97747282021-08-05 17:24:3556 mins ago0xda837b4d047f8cdd3f6b7d13539dfc13da54d8d1 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00195858
0x6ffc408889f107463bb2b7e988df0accddf52fa15845f0647589f15b59c9280a97747092021-08-05 17:23:3557 mins ago0x6415580a82bb41a90bf5b869284a4085cea37280 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00188358
0x3514872cea398999458d9e5f16b826fa87be61b62691b45dbb8f2bf41e88808d97746982021-08-05 17:22:5457 mins ago0x56fc3eba76e980e8e5ce2959f60bbe8812813ef1 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00158358
0xba7d059bd2dbcc45638ac6c6a55681c0acf3305a6ab73c1367c77605b72a550997746142021-08-05 17:18:111 hr 2 mins ago0x3e71ecc4be4d9eab8c201f4e67f70b847c635c67 IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.00165858
0xfbcf9ba8283a56ccbf15dea9de5a3e11c7f7f0c8d248f83c65ea5f38978a712a97745472021-08-05 17:14:461 hr 5 mins ago0xd67e9a3baf260cc72ee8cae8a30ff3c3332d053e IN  0xf84e3809971798bd372aecdc03ae977759a619ab0 BNB0.0016917516
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0xdc827f34fd97e0b59d0bdc6ce9a3d48262f79954d30ec2fdc55dbebfc0efb25897757322021-08-05 18:17:083 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0xbe93d940ade0ef119793bef3a5102f8d1dbc95e60.000833487508066375 BNB
0xf24f8408ed6464251dace83c635c277e7ed0f71ce4b075379821ca561a64fb3d97756842021-08-05 18:14:306 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0x554816ca45c6100defb2ac64efe3750e96e3a1430.000052919158889259 BNB
0xb4c4e2f4ea1119f337be558fae75391f387f36f28b2fd6b6601c25bd708c515e97756592021-08-05 18:13:077 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0x91481a3060c990d250970c5ce5a96f1cfdc8e0c70.000077651661428395 BNB
0x60a50baa1ed2ab58a6ec1f005d77d946da0faf8a47d2b3100195d80fdf7bd12097755482021-08-05 18:06:4913 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0xe6d5956e6d74373d3c52e31e2cae7020180969520.000332578073645342 BNB
0xf3169c9b1b0587880c04c38a0058e53a205059a58cc521b268586cd90a16348597754302021-08-05 18:00:5519 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0xb4e74af859102fd006da4f6086f9ed5f695c524c0.00004400770971652 BNB
0xd7df58374233d01dc8aace8821c28f909835c0917d3f06a11d31ec8bdd0fcec197754242021-08-05 18:00:3720 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0x94db25fd005631c83dd3be6795373f7d168cffec0.000306559178778338 BNB
0xf92d049b84daf91e4de4ae0e82522c3c0c5f827fbada531741585b1b2b4cacf397754002021-08-05 17:59:2521 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0x809c60fa0841339b470f74277748c4bb56f58d290.001482776745892761 BNB
0xfb25b79be806f43a106588daa03bc1a60f9bfb6f09bf57405c13cf74d67bceb097753382021-08-05 17:56:1924 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0x6d84cb2951c18afa587e9e53c578d692e9f5e3910.00044353407755306 BNB
0xe73d695782e8d37b8e53f7a8643cd2654971be13f1b638bf3e9d78ab5d58344997752942021-08-05 17:54:0726 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0x33d68efa6d2428c03098ac239ee304ea3149357b0.000077884708332495 BNB
0xd7dd7d4f2fa1463cca4c9dbc9b05e0e9319ebc6302d37ec9306e25efde4801ac97751422021-08-05 17:46:3134 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0x67d5a90bb325ac1abd61562c7c13c4bff7c42c9a0.000156712477254598 BNB
0x3f79008b6714c11d17e0cbc861ae90d3ee56fe837b35be1e278970ada08de58b97751292021-08-05 17:45:5234 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0x924271e67c50ad708df5fa5e67c9063bb95b8c4d0.000751934372234064 BNB
0x59fef8287f3308651908e2bad7933fa5a4b0d967c99cf5f6adbcf97e85a22a4f97751052021-08-05 17:44:4036 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0xaebc8b700fce979e947c9bff4e5f75dee4694a860.000056769676380604 BNB
0xc0760bda9a9a38ef454924b73a79913d660701e4cdf29d0acf814ce3d4037a1297751022021-08-05 17:44:3136 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0xe75d2a8f23ca272ceaf624638fdad0a98a052cf60.006542657121639958 BNB
0x4c134799e9c43593635a79af3152e809cff4eac8a7144c79bd065022e90f014497750102021-08-05 17:39:5540 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0xa5e4b270db151dc435b9959d0e32c7dd986c5d250.000016707493969272 BNB
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0x6c06ce63c81b45a0eefa2d9329fb799a21ebf60f035b1999b963a28ab367f46397748652021-08-05 17:32:1048 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0x52b4492f1a06e8c22a6fc1484ec10a899b85d5240.000958726400179005 BNB
0xbf860c3eac5164ea015242c3c63ac4074b8be531e9119ae183a934e225ffcd9a97747282021-08-05 17:24:3556 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0xda837b4d047f8cdd3f6b7d13539dfc13da54d8d10.000372986677842094 BNB
0x6ffc408889f107463bb2b7e988df0accddf52fa15845f0647589f15b59c9280a97747092021-08-05 17:23:3557 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0x6415580a82bb41a90bf5b869284a4085cea372800.000666760697023919 BNB
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0xba7d059bd2dbcc45638ac6c6a55681c0acf3305a6ab73c1367c77605b72a550997746142021-08-05 17:18:111 hr 2 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0x3e71ecc4be4d9eab8c201f4e67f70b847c635c670.00002763638453142 BNB
0xfbcf9ba8283a56ccbf15dea9de5a3e11c7f7f0c8d248f83c65ea5f38978a712a97745472021-08-05 17:14:461 hr 5 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0xd67e9a3baf260cc72ee8cae8a30ff3c3332d053e0.000008381204024317 BNB
0x02950db576e1ff434774802ed02f39f89d43f84e0d3243ee8c9a5fe3b557d9dc97745052021-08-05 17:12:401 hr 8 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0xb3c83c6f3c2cfb361feeef6cfc17e2e99d4993500.000089995484306112 BNB
0xe0dc087adce04bb0a29a210539d7eee58da09656469843181be88110991047f497744902021-08-05 17:11:551 hr 8 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0x2613d4e516f21819e8fda5a5e436822aeb06ac7f0.000413610431748535 BNB
0xbc29c5f2653df068653d26d4f01e65216f7d87cb17994125b5710d3b30c92b6d97744812021-08-05 17:11:281 hr 9 mins ago 0xf84e3809971798bd372aecdc03ae977759a619ab0xf8b87bdfb5097c34761a4065f1644bd39b3014b20.000712140507481283 BNB
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Contract Source Code Verified (Similar Match)
Note: This contract matches the deployed ByteCode of the Source Code for Contract 0xbCfe6c8fd18d8D4c5526587822c9C14e9F44A69A

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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