MATIC Price: $0.592263 (-2.50%)
Gas: 30 GWei
 
Transaction Hash
Method
Block
From
To
Value
Approve Delegati...581322422024-06-14 1:27:1224 hrs ago1718328432IN
Aave: VLINK Token V3
0 MATIC0.0016239530.068802
Transfer577713842024-06-04 20:54:5310 days ago1717534493IN
Aave: VLINK Token V3
0 MATIC0.000852431
Approve Delegati...573973712024-05-26 3:17:1819 days ago1716693438IN
Aave: VLINK Token V3
0 MATIC0.002148840.00000018
Approve Delegati...568223752024-05-11 0:56:4235 days ago1715389002IN
Aave: VLINK Token V3
0 MATIC0.0011000530.03000222
Approve Delegati...568222092024-05-11 0:50:1735 days ago1715388617IN
Aave: VLINK Token V3
0 MATIC0.0011066530.21000122
Approve Delegati...567223512024-05-08 12:20:4937 days ago1715170849IN
Aave: VLINK Token V3
0 MATIC0.0016112430.00000047
Approve Delegati...558509842024-04-15 12:21:5260 days ago1713183712IN
Aave: VLINK Token V3
0 MATIC0.0052248197.2384731
Approve Delegati...557897932024-04-13 22:23:5962 days ago1713047039IN
Aave: VLINK Token V3
0 MATIC0.01252801341.99647603
Approve Delegati...550886052024-03-26 5:11:4080 days ago1711429900IN
Aave: VLINK Token V3
0 MATIC0.0023261243.07006936
Approve Delegati...549881382024-03-23 12:13:3183 days ago1711196011IN
Aave: VLINK Token V3
0 MATIC0.0022683342
Approve Delegati...546782262024-03-15 7:00:2091 days ago1710486020IN
Aave: VLINK Token V3
0 MATIC0.00404818127.60636209
Approve Delegati...545223242024-03-11 7:36:2595 days ago1710142585IN
Aave: VLINK Token V3
0 MATIC0.00425674116.27901688
Approve Delegati...545221622024-03-11 7:30:4195 days ago1710142241IN
Aave: VLINK Token V3
0 MATIC0.00704143131.13511821
Approve Delegati...535952492024-02-16 16:02:17119 days ago1708099337IN
Aave: VLINK Token V3
0 MATIC0.00409408111.762397
Approve Delegati...534674482024-02-13 9:43:02122 days ago1707817382IN
Aave: VLINK Token V3
0 MATIC0.0017273147.15319371
Approve Delegati...534048992024-02-11 20:26:44124 days ago1707683204IN
Aave: VLINK Token V3
0 MATIC0.0011352930.99192556
Approve Delegati...533700772024-02-10 23:38:39125 days ago1707608319IN
Aave: VLINK Token V3
0 MATIC0.0010989630.00000003
Approve Delegati...533237452024-02-09 19:44:26126 days ago1707507866IN
Aave: VLINK Token V3
0 MATIC0.0012459434.01250825
Approve Delegati...532076222024-02-06 21:43:32129 days ago1707255812IN
Aave: VLINK Token V3
0 MATIC0.0028111852.34206496
Approve Delegati...531510222024-02-05 11:42:23130 days ago1707133343IN
Aave: VLINK Token V3
0 MATIC0.00533699.3300279
Approve Delegati...530521102024-02-02 21:58:28133 days ago1706911108IN
Aave: VLINK Token V3
0 MATIC0.0022035340.80020079
Approve Delegati...530310362024-02-02 8:45:34133 days ago1706863534IN
Aave: VLINK Token V3
0 MATIC0.0031663986.46621479
Approve Delegati...526565192024-01-23 11:35:06143 days ago1706009706IN
Aave: VLINK Token V3
0 MATIC0.00450426123
Approve Delegati...523203492024-01-14 17:38:12152 days ago1705253892IN
Aave: VLINK Token V3
0 MATIC0.0017205131.85671276
Approve Delegati...516522932023-12-28 9:08:57169 days ago1703754537IN
Aave: VLINK Token V3
0 MATIC0.0108637202.18312037
View all transactions

Latest 2 internal transactions

Parent Transaction Hash Block From To Value
258262332022-03-11 10:36:57826 days ago1646995017  Contract Creation0 MATIC
258261122022-03-11 10:32:51826 days ago1646994771  Contract Creation0 MATIC
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0xf329e36C...77f477375
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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