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Gas: 31 GWei
 

Overview

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MATIC Value

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Token Holdings

Sponsored

Transaction Hash
Method
Block
From
To
Value
Approve Delegati...580228832024-06-11 8:24:173 days ago1718094257IN
Aave: vWETH Token V3
0 MATIC0.0011085530.27182975
Approve Delegati...579973472024-06-10 16:47:544 days ago1718038074IN
Aave: vWETH Token V3
0 MATIC0.0016202430.00000002
Approve Delegati...579329402024-06-09 1:03:286 days ago1717895008IN
Aave: vWETH Token V3
0 MATIC0.0016202430.00000003
Approve Delegati...578867832024-06-07 20:28:187 days ago1717792098IN
Aave: vWETH Token V3
0 MATIC0.0016202430.00000004
Approve Delegati...578474832024-06-06 20:23:358 days ago1717705415IN
Aave: vWETH Token V3
0 MATIC0.0016112430.00000003
Approve Delegati...575481202024-05-30 0:53:1116 days ago1717030391IN
Aave: vWETH Token V3
0 MATIC0.001098630.00000007
Approve Delegati...575474572024-05-30 0:28:0216 days ago1717028882IN
Aave: vWETH Token V3
0 MATIC0.001098630.00000004
Approve574895262024-05-28 12:48:2317 days ago1716900503IN
Aave: vWETH Token V3
0 MATIC0.0008614531
Approve Delegati...574462442024-05-27 10:04:0418 days ago1716804244IN
Aave: vWETH Token V3
0 MATIC0.0017943849
Approve Delegati...573281442024-05-24 8:10:4721 days ago1716538247IN
Aave: vWETH Token V3
0 MATIC0.0011523431.4677357
Approve Delegati...572977032024-05-23 13:03:4122 days ago1716469421IN
Aave: vWETH Token V3
0 MATIC0.0276481755
Approve Delegati...572713792024-05-22 20:27:5423 days ago1716409674IN
Aave: vWETH Token V3
0 MATIC0.001107530.25310982
Approve Delegati...572684822024-05-22 18:37:5123 days ago1716403071IN
Aave: vWETH Token V3
0 MATIC0.0027397251
Approve Delegati...572296362024-05-21 17:16:5024 days ago1716311810IN
Aave: vWETH Token V3
0 MATIC0.0025037568.37125031
Approve Delegati...572260642024-05-21 15:01:1424 days ago1716303674IN
Aave: vWETH Token V3
0 MATIC0.0022673242.22521056
Approve Delegati...572046292024-05-21 1:32:5425 days ago1716255174IN
Aave: vWETH Token V3
0 MATIC0.0038181171.09029177
Approve Delegati...571096272024-05-18 13:41:2227 days ago1716039682IN
Aave: vWETH Token V3
0 MATIC0.0011083930.26748754
Approve Delegati...571047342024-05-18 10:30:0627 days ago1716028206IN
Aave: vWETH Token V3
0 MATIC0.0011083430.0298584
Approve Delegati...570789032024-05-17 17:50:0328 days ago1715968203IN
Aave: vWETH Token V3
0 MATIC0.0017723633
Approve Delegati...570774432024-05-17 16:52:2528 days ago1715964745IN
Aave: vWETH Token V3
0 MATIC0.0016931431.53196316
Approve Delegati...570773842024-05-17 16:50:1128 days ago1715964611IN
Aave: vWETH Token V3
0 MATIC0.0017288832.19757697
Approve Delegati...570770432024-05-17 16:35:5928 days ago1715963759IN
Aave: vWETH Token V3
0 MATIC0.0018003633.52887285
Approve Delegati...570163502024-05-16 1:15:0330 days ago1715822103IN
Aave: vWETH Token V3
0 MATIC0.0016108830.00000179
Approve Delegati...570162692024-05-16 1:12:1130 days ago1715821931IN
Aave: vWETH Token V3
0 MATIC0.0016108830.00000057
Approve Delegati...570084612024-05-15 20:10:4930 days ago1715803849IN
Aave: vWETH Token V3
0 MATIC0.0010232430.00000018
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Latest 2 internal transactions

Parent Transaction Hash Block From To Value
258264082022-03-11 10:42:59826 days ago1646995379  Contract Creation0 MATIC
258262392022-03-11 10:37:09826 days ago1646995029  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

0x60806040526004361061005a5760003560e01c80635c60da1b116100435780635c60da1b14610097578063d1f57894146100d5578063f851a440146100e85761005a565b80633659cfe6146100645780634f1ef28614610084575b6100626100fd565b005b34801561007057600080fd5b5061006261007f3660046106be565b610137565b6100626100923660046106e0565b610189565b3480156100a357600080fd5b506100ac61025a565b60405173ffffffffffffffffffffffffffffffffffffffff909116815260200160405180910390f35b6100626100e3366004610792565b6102cb565b3480156100f457600080fd5b506100ac6103f7565b61010561045c565b6101356101307f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc5490565b610464565b565b3373ffffffffffffffffffffffffffffffffffffffff7f0000000000000000000000008145edddf43f50276641b55bd3ad95944510021e1614156101815761017e81610488565b50565b61017e6100fd565b3373ffffffffffffffffffffffffffffffffffffffff7f0000000000000000000000008145edddf43f50276641b55bd3ad95944510021e16141561024d576101d083610488565b60008373ffffffffffffffffffffffffffffffffffffffff1683836040516101f9929190610872565b600060405180830381855af49150503d8060008114610234576040519150601f19603f3d011682016040523d82523d6000602084013e610239565b606091505b505090508061024757600080fd5b50505050565b6102556100fd565b505050565b60003373ffffffffffffffffffffffffffffffffffffffff7f0000000000000000000000008145edddf43f50276641b55bd3ad95944510021e1614156102c057507f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc5490565b6102c86100fd565b90565b60006102f57f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc5490565b73ffffffffffffffffffffffffffffffffffffffff161461031557600080fd5b61034060017f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbd610882565b7f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc1461036e5761036e6108c0565b610377826104d5565b8051156103f35760008273ffffffffffffffffffffffffffffffffffffffff16826040516103a591906108ef565b600060405180830381855af49150503d80600081146103e0576040519150601f19603f3d011682016040523d82523d6000602084013e6103e5565b606091505b505090508061025557600080fd5b5050565b60003373ffffffffffffffffffffffffffffffffffffffff7f0000000000000000000000008145edddf43f50276641b55bd3ad95944510021e1614156102c057507f0000000000000000000000008145edddf43f50276641b55bd3ad95944510021e90565b610135610593565b3660008037600080366000845af43d6000803e808015610483573d6000f35b3d6000fd5b610491816104d5565b60405173ffffffffffffffffffffffffffffffffffffffff8216907fbc7cd75a20ee27fd9adebab32041f755214dbc6bffa90cc0225b39da2e5c2d3b90600090a250565b6104de81610659565b61056f576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152603b60248201527f43616e6e6f742073657420612070726f787920696d706c656d656e746174696f60448201527f6e20746f2061206e6f6e2d636f6e74726163742061646472657373000000000060648201526084015b60405180910390fd5b7f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc55565b3373ffffffffffffffffffffffffffffffffffffffff7f0000000000000000000000008145edddf43f50276641b55bd3ad95944510021e161415610135576040517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152603260248201527f43616e6e6f742063616c6c2066616c6c6261636b2066756e6374696f6e20667260448201527f6f6d207468652070726f78792061646d696e00000000000000000000000000006064820152608401610566565b6000813f7fc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a47081811480159061068d57508115155b949350505050565b803573ffffffffffffffffffffffffffffffffffffffff811681146106b957600080fd5b919050565b6000602082840312156106d057600080fd5b6106d982610695565b9392505050565b6000806000604084860312156106f557600080fd5b6106fe84610695565b9250602084013567ffffffffffffffff8082111561071b57600080fd5b818601915086601f83011261072f57600080fd5b81358181111561073e57600080fd5b87602082850101111561075057600080fd5b6020830194508093505050509250925092565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052604160045260246000fd5b600080604083850312156107a557600080fd5b6107ae83610695565b9150602083013567ffffffffffffffff808211156107cb57600080fd5b818501915085601f8301126107df57600080fd5b8135818111156107f1576107f1610763565b604051601f82017fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe0908116603f0116810190838211818310171561083757610837610763565b8160405282815288602084870101111561085057600080fd5b8260208601602083013760006020848301015280955050505050509250929050565b8183823760009101908152919050565b6000828210156108bb577f4e487b7100000000000000000000000000000000000000000000000000000000600052601160045260246000fd5b500390565b7f4e487b7100000000000000000000000000000000000000000000000000000000600052600160045260246000fd5b6000825160005b8181101561091057602081860181015185830152016108f6565b8181111561091f576000828501525b50919091019291505056fea26469706673582212207698a80201d2f92a3290973c99527c6e810eaf731191e18abe2c96acab47dca764736f6c634300080a0033

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