Contract 0x8619d80FB0141ba7F184CbF22fd724116D9f7ffC 16

Aave 
 
Txn Hash Method
Block
From
To
Value
0x4f3b1442279b6bbdd58706cf4801d94115269439ff3934b5c4c9a7e2e8124631Approve Delegati...1175664842024-03-18 3:15:451 day 3 hrs ago0xa5199b2e621626d1edc9a7366d2d8c9b30948aad IN  Aave: vDAI Token V30 ETH0.000000395390.006091974
0xee5685b9c4b39c30b9365cb66cdc70defc9b0b03a663e2ee8bc126c375eb63b8Approve Delegati...1172724322024-03-11 7:54:017 days 23 hrs ago0x5f6b58b0c0587b0c9a231d73cc0ea50931a78464 IN  Aave: vDAI Token V30 ETH0.0001151285160.000970538
0x9cbb52d3f82d2855b158b4d7c98c96cc1e8754eb7b5c5783d30a1c5866db204eApprove Delegati...1170355662024-03-05 20:18:2913 days 10 hrs ago0xe39fc0c58ef554f08b02bdf5b337393d2402f5e3 IN  Aave: vDAI Token V30 ETH0.0003564591680.109500991
0x90a4296ee38d1f9084c4ffc6c4ac504bfcabe906ab21fd5c9aa6c6b841dca0b9Approve Delegati...1170298342024-03-05 17:07:2513 days 14 hrs ago0xaa7c8a911f90db893235abd16cc353d8eb76570f IN  Aave: vDAI Token V30 ETH0.0002510560940.041170202
0x05f97efaf60cefb2dcfb5d727b10ebd9f597d0a90ed41b92436d288027038c76Approve Delegati...1169726822024-03-04 9:22:2114 days 21 hrs ago0x27d9ad548c2de460e12ef18d0c19713ade59f141 IN  Aave: vDAI Token V30 ETH0.0001259751920.001521413
0x1f65aceeba2df448b4186f551c0b28f2700d4ba8416c55ceed3ba52f4c7d422aApprove Delegati...1167130932024-02-27 9:09:2320 days 22 hrs ago0x27d9ad548c2de460e12ef18d0c19713ade59f141 IN  Aave: vDAI Token V30 ETH0.000061262210.00621789
0xa3b9cd4671eade1f6d688cfd9c2ce70ea2ee7e589eac6cdf51b5cd39a6febf14Approve Delegati...1166588302024-02-26 3:00:3722 days 4 hrs ago0x7d518ee1b17e8f704e0fae6dc9073de35a1138a6 IN  Aave: vDAI Token V30 ETH0.0000434435260.00320446
0x9cccb32e016ca391e733726c21adf0e6dbf396ee90732cfbd9302095a2f72b66Approve Delegati...1161110592024-02-13 10:41:3534 days 20 hrs ago0xaa7c8a911f90db893235abd16cc353d8eb76570f IN  Aave: vDAI Token V30 ETH0.0000537245060.098856557
0x3b76b6ca96f502c0cd99fcb831b4d5edd68c26b1ecf9137724738fed3aef7f91Approve Delegati...1159451702024-02-09 14:31:5738 days 16 hrs ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vDAI Token V30 ETH0.0001502106750.0018546
0x23dfbda35868c176bec45b8c10f1f5aecf6dc5a2cbac650ee679b13c6514cedfApprove Delegati...1159360252024-02-09 9:27:0738 days 21 hrs ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vDAI Token V30 ETH0.0001091428810.0026448
0xf37ea8b6930c1bea2dd750e25a9998c758fa6154d8d0c1eac363223b47a7c361Approve Delegati...1158891422024-02-08 7:24:2139 days 23 hrs ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vDAI Token V30 ETH0.0000514880190.0021228
0x5df6072e263563d3e6c38a3fd07fc3f3e56476efa6ae13327113a0bdf66ef58bApprove Delegati...1157494582024-02-05 1:48:1343 days 5 hrs ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vDAI Token V30 ETH0.0000219034960.0052435
0x3d992410069ee3174482e82aedc5f780782730eec3afc50afeb45aaf1a37c223Approve Delegati...1152128862024-01-23 15:42:2955 days 15 hrs ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vDAI Token V30 ETH0.0000472397290.0060732
0x334cae1bc4fc59456f80b8c1b6b68ef2d34a6a3efdc30416bcebb868f5e0e477Approve Delegati...1152101172024-01-23 14:10:1155 days 17 hrs ago0x93e5a525a8c3d14e68387c1c0d5daae4b744177d IN  Aave: vDAI Token V30 ETH0.000049510640.0062285
0x36de8c008becda9b9eff99713206a7e0729500dd5fedcb84bbe42017f4f3e982Approve Delegati...1152100762024-01-23 14:08:4955 days 17 hrs ago0xf824b282965348f0b35a8163568234bd78eadb00 IN  Aave: vDAI Token V30 ETH0.0000516818430.0062285
0xc0691243d28556c4afac0111f56b423be967beeb7b73f7a5f83719caca5eabbeApprove Delegati...1151582842024-01-22 9:22:2556 days 21 hrs ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vDAI Token V30 ETH0.0000299086180.0030034
0x99ca627611ef52bf3c47541d7200335c75bfcb5ca2e8aad45f53dd10792cafd1Approve Delegati...1150895102024-01-20 19:09:5758 days 12 hrs ago0x58f296189330d59454e9c6ce80cc0abe60514e6b IN  Aave: vDAI Token V30 ETH0.0000261880670.005430849
0x0d68f981cd7b1d083b6085f976cf3bde0202f061a6e333535ac573ea84531f67Approve Delegati...1148569972024-01-15 9:59:3163 days 21 hrs ago0x93e5a525a8c3d14e68387c1c0d5daae4b744177d IN  Aave: vDAI Token V30 ETH0.0000378178220.1044518
0x366403067f4744f2895c7866403c4d30c45f9ac7f80a3eb01d07095b543d9877Approve Delegati...1148506462024-01-15 6:27:4964 days 47 mins ago0xf824b282965348f0b35a8163568234bd78eadb00 IN  Aave: vDAI Token V30 ETH0.0000405198810.1408398
0xe937d4f6406d7dcf72f40e9fc4602da0e63577f0793e85c131aa53ce3e7be6d5Approve Delegati...1147645922024-01-13 6:39:2166 days 35 mins ago0x5efe0c04af29122da0e7579d6493a61ae6b35c48 IN  Aave: vDAI Token V30 ETH0.0000230541420.0051285
0x69249dee90fe6b3ea2615abb6d1e3351223baa064ce00d1a4533d7231b48e6ffApprove Delegati...1140258902023-12-27 4:15:5783 days 2 hrs ago0x2fcae3030fe351fca9d13bd45454d13ed04710b8 IN  Aave: vDAI Token V30 ETH0.0000222879170.006121495
0x1f4b5734553fcb1c74589c2169eccd87e64534b24841236b91b2f3c5f9b2586fApprove Delegati...1133984602023-12-12 15:41:3797 days 15 hrs ago0x837a9901300312c86884902db2bfd343a93604dc IN  Aave: vDAI Token V30 ETH0.0001019488740.0093175
0x584346f7692ff41c2f4d5b6acaaaac783752763b7940adbea6af1b68c66be753Approve Delegati...1131354412023-12-06 13:34:19103 days 17 hrs ago0x823be23f5a90bb629d30bb0ecc8777b4c15b6f17 IN  Aave: vDAI Token V30 ETH0.0000953266420.0096101
0xb48a6cc22628b751e41418fd4e94cd08af9821c2d9d93080e99942fd2202c917Approve Delegati...1130764202023-12-05 4:46:57105 days 2 hrs ago0x2fcae3030fe351fca9d13bd45454d13ed04710b8 IN  Aave: vDAI Token V30 ETH0.0000741163480.107330236
0x4130561ac19af37d8886be0866499d001000cbaeb7970756124641bf96d5d22fApprove Delegati...1130712352023-12-05 1:54:07105 days 5 hrs ago0xe06b1e229112a9a61c3a4c482acc15bb1043cc98 IN  Aave: vDAI Token V30 ETH0.0000822353060.149166101
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Latest 25 internal transaction
Parent Txn Hash Block From To Value
0x865e5db4220a4d23dca340ee570e453684de3dbdfbee44e3d4159a83fd2751891075583752023-07-30 11:12:07232 days 20 hrs ago Aave: vDAI Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0x865e5db4220a4d23dca340ee570e453684de3dbdfbee44e3d4159a83fd2751891075583752023-07-30 11:12:07232 days 20 hrs ago Aave: Pool Data Provider V3 Aave: vDAI Token V30 ETH
0x865e5db4220a4d23dca340ee570e453684de3dbdfbee44e3d4159a83fd2751891075583752023-07-30 11:12:07232 days 20 hrs ago Aave: vDAI Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0x865e5db4220a4d23dca340ee570e453684de3dbdfbee44e3d4159a83fd2751891075583752023-07-30 11:12:07232 days 20 hrs ago Aave: Pool Data Provider V3 Aave: vDAI Token V30 ETH
0x3f3bb72d4a4dc04da62e0c7230da2e78cb3cbc249412b343bd4350e23c6f5df81075577912023-07-30 10:52:39232 days 20 hrs ago Aave: vDAI Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0x3f3bb72d4a4dc04da62e0c7230da2e78cb3cbc249412b343bd4350e23c6f5df81075577912023-07-30 10:52:39232 days 20 hrs ago Aave: Pool Data Provider V3 Aave: vDAI Token V30 ETH
0x3f3bb72d4a4dc04da62e0c7230da2e78cb3cbc249412b343bd4350e23c6f5df81075577912023-07-30 10:52:39232 days 20 hrs ago Aave: vDAI Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0x3f3bb72d4a4dc04da62e0c7230da2e78cb3cbc249412b343bd4350e23c6f5df81075577912023-07-30 10:52:39232 days 20 hrs ago Aave: Pool Data Provider V3 Aave: vDAI Token V30 ETH
0x3f3bb72d4a4dc04da62e0c7230da2e78cb3cbc249412b343bd4350e23c6f5df81075577912023-07-30 10:52:39232 days 20 hrs ago Aave: vDAI Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0x3f3bb72d4a4dc04da62e0c7230da2e78cb3cbc249412b343bd4350e23c6f5df81075577912023-07-30 10:52:39232 days 20 hrs ago Aave: Pool Data Provider V3 Aave: vDAI Token V30 ETH
0x3f3bb72d4a4dc04da62e0c7230da2e78cb3cbc249412b343bd4350e23c6f5df81075577912023-07-30 10:52:39232 days 20 hrs ago Aave: vDAI Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0x3f3bb72d4a4dc04da62e0c7230da2e78cb3cbc249412b343bd4350e23c6f5df81075577912023-07-30 10:52:39232 days 20 hrs ago Aave: Pool Data Provider V3 Aave: vDAI Token V30 ETH
0x31a6760a79711b36828a520547343f2e5d690b69d2399f144eafe825804990c21075577872023-07-30 10:52:31232 days 20 hrs ago Aave: vDAI Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0x31a6760a79711b36828a520547343f2e5d690b69d2399f144eafe825804990c21075577872023-07-30 10:52:31232 days 20 hrs ago Aave: Pool V3 Aave: vDAI Token V30 ETH
0x8591c57b1cb5699c3177dc1b4994e42aed2fd4970bb03800c35756945c28dc151075577052023-07-30 10:49:47232 days 20 hrs ago Aave: vDAI Token V3 Aave: Incentives V30 ETH
0x8591c57b1cb5699c3177dc1b4994e42aed2fd4970bb03800c35756945c28dc151075577052023-07-30 10:49:47232 days 20 hrs ago Aave: vDAI Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0x8591c57b1cb5699c3177dc1b4994e42aed2fd4970bb03800c35756945c28dc151075577052023-07-30 10:49:47232 days 20 hrs ago Aave: Pool V3 Aave: vDAI Token V30 ETH
0x8591c57b1cb5699c3177dc1b4994e42aed2fd4970bb03800c35756945c28dc151075577052023-07-30 10:49:47232 days 20 hrs ago Aave: vDAI Token V3 Aave: Pool V30 ETH
0x8591c57b1cb5699c3177dc1b4994e42aed2fd4970bb03800c35756945c28dc151075577052023-07-30 10:49:47232 days 20 hrs ago Aave: vDAI Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0x8591c57b1cb5699c3177dc1b4994e42aed2fd4970bb03800c35756945c28dc151075577052023-07-30 10:49:47232 days 20 hrs ago Aave: Pool V3 Aave: vDAI Token V30 ETH
0x8591c57b1cb5699c3177dc1b4994e42aed2fd4970bb03800c35756945c28dc151075577052023-07-30 10:49:47232 days 20 hrs ago Aave: vDAI Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0x8591c57b1cb5699c3177dc1b4994e42aed2fd4970bb03800c35756945c28dc151075577052023-07-30 10:49:47232 days 20 hrs ago Aave: Pool V3 Aave: vDAI Token V30 ETH
0xc769e7e3f4d68fdbf7a3457e986c99b2a7317d72edcc7de03cc8aedfcba03e9f1075576472023-07-30 10:47:51232 days 20 hrs ago Aave: vDAI Token V3 0x04a8d477ee202adce1682f5902e1160455205b120 ETH
0xc769e7e3f4d68fdbf7a3457e986c99b2a7317d72edcc7de03cc8aedfcba03e9f1075576472023-07-30 10:47:51232 days 20 hrs ago Aave: Pool V3 Aave: vDAI Token V30 ETH
0xf30e621251f8a3cdfbad6c6164037f5efa163f3879ad2cab69e1b198bc78bfc21075574042023-07-30 10:39:45232 days 20 hrs ago Aave: vDAI 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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