Contract 0xfccf3cabbe80101232d343252614b6a3ee81c989 16

Aave 
 
Txn Hash Method
Block
From
To
Value
0x9fa90beda766bc62c931c3626783a03bb5074e9de42ef83085e568d5dc0e6af2Approve Delegati...1166590252024-02-26 3:07:073 days 1 hr ago0x7d518ee1b17e8f704e0fae6dc9073de35a1138a6 IN  Aave: vUSDC Token V30 ETH0.0000428843220.010199698
0x4c682f7839b776ed3a85750cdae016839fdee17a124ba9ef909ab80fd306a9c3Approve Delegati...1165931982024-02-24 14:32:534 days 13 hrs ago0x7d518ee1b17e8f704e0fae6dc9073de35a1138a6 IN  Aave: vUSDC Token V30 ETH0.0000399663990.003504637
0xa15ff177c75739b1169c76f4917382e00a8e151485bc0e4619bff7dd839b704eApprove Delegati...1160814952024-02-12 18:16:0716 days 10 hrs ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vUSDC Token V30 ETH0.0001387793830.1009436
0xb1cd3b4d782fa4df9127341a0ed06050f65293cbead483859b72f3614372ad22Approve Delegati...1160137252024-02-11 4:37:0717 days 23 hrs ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vUSDC Token V30 ETH0.0000361176710.0023629
0x92ac25617782b1820d15091ce7e33da0124cf39bcaaca43f6708bfa042e5bf1fApprove Delegati...1158890842024-02-08 7:22:2520 days 20 hrs ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vUSDC Token V30 ETH0.0000521384430.0011538
0x4792371bb53bdc0d4634ae4738ad9f476b9e2ce8d2a4ec448b73fefea3cb34cfApprove Delegati...1157967852024-02-06 4:05:4723 days 10 mins ago0x48eab48966de2cf733ee3c372d55fd4afaa79fd6 IN  Aave: vUSDC Token V30 ETH0.0000500354820.005082397
0xf3170f1e93a2eb0cbcba77e35b4cdf722bc3d8eee8b536279d8d706561c5e039Approve Delegati...1157770432024-02-05 17:07:4323 days 11 hrs ago0x48eab48966de2cf733ee3c372d55fd4afaa79fd6 IN  Aave: vUSDC Token V30 ETH0.0000424751880.005010895
0x0b57cc0240f79ab2248981c23a5e4b04eba6d23a2acde729f95d35e5a22aedfaApprove Delegati...1157491982024-02-05 1:39:3324 days 2 hrs ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vUSDC Token V30 ETH0.00002416020.0065841
0x8ef3f065a048153b00e45c9ab61aebdef85105b511ec2bf50f891546088c47bdApprove Delegati...1157489062024-02-05 1:29:4924 days 2 hrs ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vUSDC Token V30 ETH0.0000211096210.0114825
0xaaa3c9125384dc4539462d511bb897b4e1c2f81c209e137076e1971da5397bd9Approve Delegati...1156276332024-02-02 6:07:2326 days 22 hrs ago0x640d48d79351b715e31cd9e8b53812e81e22fe5b IN  Aave: vUSDC Token V30 ETH0.0000259139250.004966555
0x3ac27970352354ade4a85667a91744155e122f3f1ea9b00abbc82a2f063b9a33Approve Delegati...1156069312024-02-01 18:37:1927 days 9 hrs ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vUSDC Token V30 ETH0.0001047325440.1042923
0x0c1f92e1c876121c01cfe0d18a31cfab94722c3ad490462076b7588e52e99647Approve Delegati...1155399182024-01-31 5:23:3328 days 22 hrs ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vUSDC Token V30 ETH0.0000323878810.1089425
0x737e6fe6ac77a5df15b15d4f7f36bf1f34db769376a402c8e72095debf318e6fApprove Delegati...1155397152024-01-31 5:16:4728 days 22 hrs ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vUSDC Token V30 ETH0.0000329793990.11
0x3ecf12196c9776ba97b3feaf6aa2f7517eea10caf4cb7bde0009abf36a1ad5e2Approve Delegati...1155305512024-01-31 0:11:1929 days 4 hrs ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vUSDC Token V30 ETH0.0000332674330.102
0xc3a07b5c3e43bdb3ab4318240d29e803b8c01ea832a283dab5876fde8013c1c2Approve Delegati...1155257362024-01-30 21:30:4929 days 6 hrs ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vUSDC Token V30 ETH0.0000395292410.1011445
0x1289cd6e64f6c7ada56ecb9a80032e4e9fcbaf9ee85bf61605f24f4d920b3bbdApprove Delegati...1150895082024-01-20 19:09:5339 days 9 hrs ago0x58f296189330d59454e9c6ce80cc0abe60514e6b IN  Aave: vUSDC Token V30 ETH0.0000254566110.005314221
0x1b889e7a186595c54fc2c5ace3b5c426a863b4534430ac1976e7badc01c1e4d6Approve Delegati...1146663352024-01-11 0:04:0749 days 4 hrs ago0xdc10eba5a79886940ee98bea0a80f3acd3510d3d IN  Aave: vUSDC Token V30 ETH0.0001198034240.006848458
0xae80b1c63d4682733b407a6cf08663f99b1cce74e7e265c226b6bdf0b8ad2164Approve Delegati...1145664072024-01-08 16:33:1151 days 11 hrs ago0xba75b9955bfd2ccef421a52575513d8b7ec5b268 IN  Aave: vUSDC Token V30 ETH0.0000391983550.009031951
0xe0dcad3e944a052665ea6887472383719b7adeff7ba7c3215e113cd7a1c3ff68Approve Delegati...1135319992023-12-15 17:52:5575 days 10 hrs ago0x4bc5af31662ef1c2ff50b4aa21ba6721835f34bc IN  Aave: vUSDC Token V30 ETH0.0001462535420.0360685
0xdf8e379b8b64dffd1768f602448bf7bea02bc0208d0e09ebd265ebe428204410Approve Delegati...1126558902023-11-25 11:09:1795 days 17 hrs ago0x8ff8aba1c8bd3c607a650d15ff1e3662aac92b4b IN  Aave: vUSDC Token V30 ETH0.0000351594190.0078982
0xa3f54d0da7621fd351385e61b6ab6a04d5af851f1174b7bb368e2af8d6fb980aApprove Delegati...1123204572023-11-17 16:48:11103 days 11 hrs ago0x111a8934a5d0d3913e5d055dae46dc2c965709a0 IN  Aave: vUSDC Token V30 ETH0.000077725360.106481
0xad6250965251e406fdbee8ad5a91bc11b9c117fb9510fe48c44389eb8eb1dc96Approve Delegati...1121201812023-11-13 1:32:19108 days 2 hrs ago0x5f4f120d8435ea38f0f4635a910fee03801be88d IN  Aave: vUSDC Token V30 ETH0.0000566833720.011174724
0x2c331ae4f6ce60d17163e49566af0441ca905824d8afc7e5449c02f181e9daf4Approve Delegati...1113725622023-10-26 18:11:41125 days 10 hrs ago0xb89923598ba4d05d8b19c9c2a40ba405257549e2 IN  Aave: vUSDC Token V30 ETH0.000053920860.1178598
0x349dcb9fdb00868dba1506772a75619b1e1ad829cfc0f5cbabd8dcdbdbfabd8fApprove Delegati...1113506362023-10-26 6:00:49125 days 22 hrs ago0xd2f4596fd7cecac8ff9b38f6968565d39c4353c5 IN  Aave: vUSDC Token V30 ETH0.0000340154680.113235849
0x8176a833ca92e94544c1ccaa7cb0457890c2661d20eaaf090b9da510648c6a87Approve Delegati...1106297442023-10-09 13:31:05142 days 14 hrs ago 0x9e5a57470a2a136a3d4de39e1996e05944c4b1fb IN  Aave: vUSDC Token V30 ETH0.0000165558480.033235423
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0xa4614e26b4c399b2f39e7f8f75fa363600e259d81521188047821dc701bd3e081075583842023-07-30 11:12:25213 days 17 hrs ago Aave: vUSDC Token V3 Aave: Pool V30 ETH
0xa4614e26b4c399b2f39e7f8f75fa363600e259d81521188047821dc701bd3e081075583842023-07-30 11:12:25213 days 17 hrs ago Aave: vUSDC Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0xa4614e26b4c399b2f39e7f8f75fa363600e259d81521188047821dc701bd3e081075583842023-07-30 11:12:25213 days 17 hrs ago Aave: Pool V3 Aave: vUSDC Token V30 ETH
0xa4614e26b4c399b2f39e7f8f75fa363600e259d81521188047821dc701bd3e081075583842023-07-30 11:12:25213 days 17 hrs ago Aave: vUSDC Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0xa4614e26b4c399b2f39e7f8f75fa363600e259d81521188047821dc701bd3e081075583842023-07-30 11:12:25213 days 17 hrs ago Aave: Pool V3 Aave: vUSDC Token V30 ETH
0xa4614e26b4c399b2f39e7f8f75fa363600e259d81521188047821dc701bd3e081075583842023-07-30 11:12:25213 days 17 hrs ago Aave: vUSDC Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0xa4614e26b4c399b2f39e7f8f75fa363600e259d81521188047821dc701bd3e081075583842023-07-30 11:12:25213 days 17 hrs ago Aave: Pool V3 Aave: vUSDC Token V30 ETH
0xa4614e26b4c399b2f39e7f8f75fa363600e259d81521188047821dc701bd3e081075583842023-07-30 11:12:25213 days 17 hrs ago Aave: vUSDC Token V3 Aave: Pool V30 ETH
0xa4614e26b4c399b2f39e7f8f75fa363600e259d81521188047821dc701bd3e081075583842023-07-30 11:12:25213 days 17 hrs ago Aave: vUSDC Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0xa4614e26b4c399b2f39e7f8f75fa363600e259d81521188047821dc701bd3e081075583842023-07-30 11:12:25213 days 17 hrs ago 0x9999b50bb6fc4ac42ddc5f10518e406549ebc3a0 Aave: vUSDC Token V30 ETH
0x4bc0ef728040415b9127eb5a49e3aef5a533e00d5cf908871ca521720635b8e61075583372023-07-30 11:10:51213 days 17 hrs ago Aave: vUSDC Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0x4bc0ef728040415b9127eb5a49e3aef5a533e00d5cf908871ca521720635b8e61075583372023-07-30 11:10:51213 days 17 hrs ago Aave: Pool V3 Aave: vUSDC Token V30 ETH
0xee6cccc546e254743f67bcfbd467a25b84a65c6310c5601a9f3277a00e5b39881075583022023-07-30 11:09:41213 days 17 hrs ago Aave: vUSDC Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0xee6cccc546e254743f67bcfbd467a25b84a65c6310c5601a9f3277a00e5b39881075583022023-07-30 11:09:41213 days 17 hrs ago Aave: Pool V3 Aave: vUSDC Token V30 ETH
0x2c731bae13f48b01f6e647ccceb061a42705d8a3de5cb0d2c2a8b3929e4245c51075583012023-07-30 11:09:39213 days 17 hrs ago Aave: vUSDC Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0x2c731bae13f48b01f6e647ccceb061a42705d8a3de5cb0d2c2a8b3929e4245c51075583012023-07-30 11:09:39213 days 17 hrs ago Aave: Pool V3 Aave: vUSDC Token V30 ETH
0x678705b1cce861265fb7581b8008b0a7f825ed98817d4efc9da6fc498fbd6ca91075583002023-07-30 11:09:37213 days 17 hrs ago Aave: vUSDC Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0x678705b1cce861265fb7581b8008b0a7f825ed98817d4efc9da6fc498fbd6ca91075583002023-07-30 11:09:37213 days 17 hrs ago Aave: Pool V3 Aave: vUSDC Token V30 ETH
0x9c34b4525d372ad3177d50ed53e82ec8ad89c9b973ff24af128c7d06ed8a00971075582622023-07-30 11:08:21213 days 17 hrs ago Aave: vUSDC Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0x9c34b4525d372ad3177d50ed53e82ec8ad89c9b973ff24af128c7d06ed8a00971075582622023-07-30 11:08:21213 days 17 hrs ago Aave: Pool V3 Aave: vUSDC Token V30 ETH
0x46ba0dc7f8afc3c2a37da0ef3f0392a6d4e040125f5b2cfa88bb76a81aabe9d31075582372023-07-30 11:07:31213 days 17 hrs ago Aave: vUSDC Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0x46ba0dc7f8afc3c2a37da0ef3f0392a6d4e040125f5b2cfa88bb76a81aabe9d31075582372023-07-30 11:07:31213 days 17 hrs ago Aave: Pool V3 Aave: vUSDC Token V30 ETH
0x35ffe6e05017f7b2748ef4e2abd62ab84d8ff6d2161f577163ebf10f4396fc781075582332023-07-30 11:07:23213 days 17 hrs ago Aave: vUSDC Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0x35ffe6e05017f7b2748ef4e2abd62ab84d8ff6d2161f577163ebf10f4396fc781075582332023-07-30 11:07:23213 days 17 hrs ago Aave: Pool V3 Aave: vUSDC Token V30 ETH
0xb063d1d24860dcb460499ddc9a5592d962b8c0a7282564c3ac01ec49919c9fd91075582292023-07-30 11:07:15213 days 17 hrs ago Aave: vUSDC Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 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 Security Audit

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 Difficulty Gas Used Reward
Block Uncle Number Difficulty Gas Used Reward
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