Contract 0x6ab707Aca953eDAeFBc4fD23bA73294241490620 19

 
Txn Hash Method
Block
From
To
Value [Txn Fee]
0xa52cca21e4dda34993a4005ed37600894debacf8354852665b0ec08732d35deeApprove2019957882024-04-17 15:25:052 hrs 36 mins ago0x03baad30d4a5f3103743dfb1b6c781deb48e71d6 IN  Aave: aUSDT Token V30 ETH0.00000192 0.010138
0x8ca3f7dc3b688c16b27fad65ffb596821aa55cf7072d8f5e9a1eb50924e6f0e0Approve2019901192024-04-17 15:00:593 hrs ago0xc79d2285f5cba0dc69dfa84345ad291716c35122 IN  Aave: aUSDT Token V30 ETH0.000002140.016533
0x4693510396d09a5a7cfcf548182f73b8b68f2caf1a3c796ffc69d8220e57a662Approve2019841762024-04-17 14:35:513 hrs 25 mins ago0xd0431d757f6316821c69bd7477b9659357cff69f IN  Aave: aUSDT Token V30 ETH0.000013170.231385
0xe2439f63abd2fa9ca5ea55b281f0ddf52751ec9f4835e7e612504cab26b5cb3fApprove2019760682024-04-17 14:01:224 hrs ago0xb02a2e83b9231bfc92d2d66c4ebbdbca8c540443 IN  Aave: aUSDT Token V30 ETH0.000001570.010008
0xc0e1148de8eadef86cab61bb258b00bd34e2911f796249c08a229071251654d4Approve2019687972024-04-17 13:30:464 hrs 30 mins ago0xbdb179954f1bb61bd79b1144a9fa94a675f2a279 IN  Aave: aUSDT Token V30 ETH0.000001560.01
0xfdf013d29743908faeec8286c46e5715579dfe000774786f80a9313134ae3f32Transfer2019663622024-04-17 13:20:324 hrs 41 mins ago0xc942afe21a06ab0d73594c9847fdebe85cc1da3a IN  Aave: aUSDT Token V30 ETH0.00000220.01
0x16c0c2261c64606d8a0d1f83a5aca108514a5bae32d67cac431c702fdbe3dff6Approve2019541412024-04-17 12:28:515 hrs 32 mins ago0x0c7228c1ed8cc4d907dc39fa291896eeb0b19976 IN  Aave: aUSDT Token V30 ETH0.00000319 0.01
0x74430105264a35a767e3beaed4a35c2c11b4ec955deacc268ca5676a54812006Approve2019519472024-04-17 12:19:355 hrs 41 mins ago0xf4d8f38a5a57ee1ccdf48d2e63af65380024649c IN  Aave: aUSDT Token V30 ETH0.00000261 0.01
0xd883378e6a519052464f8c4453d903e4f046de65e95e117d53203d3419cffef6Approve2019099052024-04-17 9:21:268 hrs 40 mins ago0x0602d2c738de3e59ce868b4cf79f9bcca9eb7107 IN  Aave: aUSDT Token V30 ETH0.00000104 0.01
0xc284da2a966f27b8b63c10c8ed10adaa5f1e56f575813b81f30a5e214df94c15Transfer2019050532024-04-17 9:00:539 hrs ago0xc83323e21c754ddec728e6cf08d5bce14afbf41c IN  Aave: aUSDT Token V30 ETH0.00000150.01
0x16b41c5cf1fe4d340d7cbe2b23bc6a0992940bd84b3b54a2cffd1e2dd1a0dd19Approve2018955862024-04-17 8:20:589 hrs 40 mins ago0x1a9c40d9d468d4d4031550825b44eb7131c47035 IN  Aave: aUSDT Token V30 ETH0.000001010.01
0x3a3aecf4993b72241080633ec36fa58c641a13b8fe0755babff3dbdd27dcc0b8Approve2018772102024-04-17 7:03:0110 hrs 58 mins ago0x1fa5f391f46222cb332b2b2cc6bf0941543b6612 IN  Aave: aUSDT Token V30 ETH0.000000670.01
0xdfb4b3479e7789e8221de1e6f860fbbcf891d3f17175ec5096dac2ff33cc0a68Approve2018764682024-04-17 6:59:5311 hrs 1 min ago0x1fa5f391f46222cb332b2b2cc6bf0941543b6612 IN  Aave: aUSDT Token V30 ETH0.000000890.01
0xd45818c85462011d0f83c6f975af004eb96495ba93cc838b93e6188431c32fd1Approve2018709912024-04-17 6:36:5111 hrs 24 mins ago0xdd055a54abfd7bc2cef1742245e979a388dbdcf4 IN  Aave: aUSDT Token V30 ETH0.000000820.01
0x8b1dbbec21669c74dc594184fcc7590d25f7d4714e93a9167bfca27db45c7b43Approve2018709632024-04-17 6:36:4411 hrs 24 mins ago0xdd055a54abfd7bc2cef1742245e979a388dbdcf4 IN  Aave: aUSDT Token V30 ETH0.000000820.01
0x966f3328ddf93cd6e6eb5cbe188230e7fa7c2f33d4e5b6a4844935d3ee4fd54aApprove2018590302024-04-17 5:45:4612 hrs 15 mins ago0xe486d64156ea360f089481eb9c096f63e2f880ff IN  Aave: aUSDT Token V30 ETH0.000000790.011015
0xbd5b30726ad1bfe15ead32eaf03c0c523739ee315f25054ee9a3a25e38ee87cbApprove2017077792024-04-16 19:06:3822 hrs 54 mins ago0xe099797b08398e26ed846df4dcf07948e80084d3 IN  Aave: aUSDT Token V30 ETH0.00000074 0.01
0x944d56839af8d12e5aa6ae5e10639e62a2d57288f73cfbe08711bbd51ce1981bApprove2016475122024-04-16 14:49:081 day 3 hrs ago0xab7b49bacd43bd4cfa41433d477f690bb9e1fb26 IN  Aave: aUSDT Token V30 ETH0.00000132 0.01
0xbce9158c52f25d3be7f82aba27f7683d9e5369a2dbe2dd5d480d6c0081c00485Transfer2016283022024-04-16 13:27:441 day 4 hrs ago0x8c545be506a335e24145edd6e01d2754296ff018 IN  Aave: aUSDT Token V30 ETH0.00000243 0.013684
0xd60765c302538d438f3314885aad3b457a7265161cd8a24c0530dfc136c7f2d2Transfer2015678582024-04-16 9:10:541 day 8 hrs ago0xdea0831774fcc149a5e8ce00e07eb4b928ca2551 IN  Aave: aUSDT Token V30 ETH0.00000169 0.01
0xa8454145cc446171bb32e863380c796a1de9da7b9b613fa292be10a681af1832Approve2015616072024-04-16 8:44:271 day 9 hrs ago0x93186f4f7bcd72e804fed455f29dec21db95d445 IN  Aave: aUSDT Token V30 ETH0.000000780.01
0x7350a7b0c2426d8b9c48273b8bcf224152be03687b53785d8474be6e8ab08de6Approve2015293222024-04-16 6:27:321 day 11 hrs ago0x779d47e470927fbb8401da4c815cc23fb2cc1596 IN  Aave: aUSDT Token V30 ETH0.000000710.01
0x9e1b8634b510997a0426d291f4af1a9ecd33ea2d52e78be7de3675846e64de0bApprove2015214752024-04-16 5:54:331 day 12 hrs ago0x40f45733068b57f36eb9cf96dbfa89859e409d92 IN  Aave: aUSDT Token V30 ETH0.00000052 0.01
0xd8eb82f35a1090aad33806749d3ec10195f07e86224fd0dddaf995b0e84d7eb6Approve2014864632024-04-16 3:26:131 day 14 hrs ago0x9b6d99cc29df723fd23d42f2ff49efa4b7c60838 IN  Aave: aUSDT Token V30 ETH0.000000740.01
0x62afe9dc4e660a7c09f8636cb8b0ffe964df6b12aceddbe9bcbd0faec398deacApprove2014776542024-04-16 2:49:181 day 15 hrs ago0x52e50d2554e0f40f3ea9baed10335b8fdc6992c0 IN  Aave: aUSDT Token V30 ETH0.00000074 0.010314
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OVERVIEW

Aave is a decentralized non-custodial liquidity protocol where users can participate as depositors or borrowers

Latest 25 internal transaction
Parent Txn Hash Block From To Value
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 Tether: USDT Token0 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 Aave: Incentives V30 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 0xa5ba6e5ec19a1bf23c857991c857db62b2aa187b0 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: Pool V3 Aave: aUSDT Token V30 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 0xa5ba6e5ec19a1bf23c857991c857db62b2aa187b0 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: Pool V3 Aave: aUSDT Token V30 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 Aave: Pool V30 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 Aave: Incentives V30 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 Aave: Incentives V30 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 Aave: Pool V30 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 0xa5ba6e5ec19a1bf23c857991c857db62b2aa187b0 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago 0x1111111254fb6c44bac0bed2854e76f90643097d Aave: aUSDT Token V30 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 0xa5ba6e5ec19a1bf23c857991c857db62b2aa187b0 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago 0x777777773fdd8b28bb03377d10fcea75ad9768da Aave: aUSDT Token V30 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 0xa5ba6e5ec19a1bf23c857991c857db62b2aa187b0 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago 0x777777773fdd8b28bb03377d10fcea75ad9768da Aave: aUSDT Token V30 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 0xa5ba6e5ec19a1bf23c857991c857db62b2aa187b0 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago 0x777777773fdd8b28bb03377d10fcea75ad9768da Aave: aUSDT Token V30 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 Aave: Pool V30 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 0xa5ba6e5ec19a1bf23c857991c857db62b2aa187b0 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago 0x777777773fdd8b28bb03377d10fcea75ad9768da Aave: aUSDT Token V30 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 Aave: Pool V30 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 Aave: Incentives V30 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 Aave: Incentives V30 ETH
0x3444329a16b6a19d3b28505eaa483032ecae1c6915fff8d15f6730b5a7799132720865232023-03-21 10:18:11393 days 7 hrs ago Aave: aUSDT Token V3 Aave: Pool V30 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xf329e36C7bF6E5E86ce2150875a84Ce77f477375
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
InitializableImmutableAdminUpgradeabilityProxy

Compiler Version
v0.8.10+commit.fc410830

Optimization Enabled:
Yes with 100000 runs

Other Settings:
default evmVersion
File 1 of 6 : InitializableImmutableAdminUpgradeabilityProxy.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

import {InitializableUpgradeabilityProxy} from '../../../dependencies/openzeppelin/upgradeability/InitializableUpgradeabilityProxy.sol';
import {Proxy} from '../../../dependencies/openzeppelin/upgradeability/Proxy.sol';
import {BaseImmutableAdminUpgradeabilityProxy} from './BaseImmutableAdminUpgradeabilityProxy.sol';

/**
 * @title InitializableAdminUpgradeabilityProxy
 * @author Aave
 * @dev Extends BaseAdminUpgradeabilityProxy with an initializer function
 */
contract InitializableImmutableAdminUpgradeabilityProxy is
  BaseImmutableAdminUpgradeabilityProxy,
  InitializableUpgradeabilityProxy
{
  /**
   * @dev Constructor.
   * @param admin The address of the admin
   */
  constructor(address admin) BaseImmutableAdminUpgradeabilityProxy(admin) {
    // Intentionally left blank
  }

  /// @inheritdoc BaseImmutableAdminUpgradeabilityProxy
  function _willFallback() internal override(BaseImmutableAdminUpgradeabilityProxy, Proxy) {
    BaseImmutableAdminUpgradeabilityProxy._willFallback();
  }
}

File 2 of 6 : InitializableUpgradeabilityProxy.sol
// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.10;

import './BaseUpgradeabilityProxy.sol';

/**
 * @title InitializableUpgradeabilityProxy
 * @dev Extends BaseUpgradeabilityProxy with an initializer for initializing
 * implementation and init data.
 */
contract InitializableUpgradeabilityProxy is BaseUpgradeabilityProxy {
  /**
   * @dev Contract initializer.
   * @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.
   */
  function initialize(address _logic, bytes memory _data) public payable {
    require(_implementation() == address(0));
    assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1));
    _setImplementation(_logic);
    if (_data.length > 0) {
      (bool success, ) = _logic.delegatecall(_data);
      require(success);
    }
  }
}

File 3 of 6 : Proxy.sol
// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.10;

/**
 * @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.
   * Will run if no other function in the contract matches the call data.
   * Implemented entirely in `_fallback`.
   */
  fallback() external payable {
    _fallback();
  }

  /**
   * @return The Address of the implementation.
   */
  function _implementation() internal view virtual 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 {
    //solium-disable-next-line
    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 6 : BaseImmutableAdminUpgradeabilityProxy.sol
// SPDX-License-Identifier: AGPL-3.0
pragma solidity 0.8.10;

import {BaseUpgradeabilityProxy} from '../../../dependencies/openzeppelin/upgradeability/BaseUpgradeabilityProxy.sol';

/**
 * @title BaseImmutableAdminUpgradeabilityProxy
 * @author Aave, inspired by the OpenZeppelin upgradeability proxy pattern
 * @notice This contract combines an upgradeability proxy with an authorization
 * mechanism for administrative tasks.
 * @dev The admin role is stored in an immutable, which helps saving transactions costs
 * 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 BaseImmutableAdminUpgradeabilityProxy is BaseUpgradeabilityProxy {
  address internal immutable _admin;

  /**
   * @dev Constructor.
   * @param admin The address of the admin
   */
  constructor(address admin) {
    _admin = admin;
  }

  modifier ifAdmin() {
    if (msg.sender == _admin) {
      _;
    } else {
      _fallback();
    }
  }

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

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

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

  /**
   * @notice Upgrade the backing implementation of the proxy and call a function
   * on the new implementation.
   * @dev This is useful to initialize the proxied contract.
   * @param newImplementation The 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)
    external
    payable
    ifAdmin
  {
    _upgradeTo(newImplementation);
    (bool success, ) = newImplementation.delegatecall(data);
    require(success);
  }

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

File 5 of 6 : BaseUpgradeabilityProxy.sol
// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.10;

import './Proxy.sol';
import '../contracts/Address.sol';

/**
 * @title BaseUpgradeabilityProxy
 * @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 BaseUpgradeabilityProxy is Proxy {
  /**
   * @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 view override returns (address impl) {
    bytes32 slot = IMPLEMENTATION_SLOT;
    //solium-disable-next-line
    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;

    //solium-disable-next-line
    assembly {
      sstore(slot, newImplementation)
    }
  }
}

File 6 of 6 : Address.sol
// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.8.10;

/**
 * @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) {
    // According to EIP-1052, 0x0 is the value returned for not-yet created accounts
    // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
    // for accounts without code, i.e. `keccak256('')`
    bytes32 codehash;
    bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
    // solhint-disable-next-line no-inline-assembly
    assembly {
      codehash := extcodehash(account)
    }
    return (codehash != accountHash && codehash != 0x0);
  }

  /**
   * @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');
  }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 100000
  },
  "evmVersion": "berlin",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract ABI

[{"inputs":[{"internalType":"address","name":"admin","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"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":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"initialize","outputs":[],"stateMutability":"payable","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"}]

Deployed Bytecode

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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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