MATIC Price: $0.648338 (+4.85%)
Gas: 47 GWei
 
Transaction Hash
Method
Block
From
To
Value
Approve580646542024-06-12 9:13:226 hrs ago1718183602IN
AAVE: aPolwstETH Token
0 MATIC0.0077334150.00000004
Approve579564492024-06-09 15:54:463 days ago1717948486IN
AAVE: aPolwstETH Token
0 MATIC0.0015373230.00001477
Transfer579269342024-06-08 21:11:023 days ago1717881062IN
AAVE: aPolwstETH Token
0 MATIC0.0141276330.00000003
Transfer579135032024-06-08 12:54:394 days ago1717851279IN
AAVE: aPolwstETH Token
0 MATIC0.004272732
Approve579122732024-06-08 12:09:254 days ago1717848565IN
AAVE: aPolwstETH Token
0 MATIC0.000936732
Approve578438322024-06-06 18:05:595 days ago1717697159IN
AAVE: aPolwstETH Token
0 MATIC0.0015373230.00000003
Approve575642082024-05-30 11:07:5413 days ago1717067274IN
AAVE: aPolwstETH Token
0 MATIC0.0010336830.00000148
Approve565396922024-05-03 18:48:4939 days ago1714762129IN
AAVE: aPolwstETH Token
0 MATIC0.0015376830.00000002
Approve562750772024-04-26 12:42:2547 days ago1714135345IN
AAVE: aPolwstETH Token
0 MATIC0.00748085145.98506766
Approve562739542024-04-26 11:59:2647 days ago1714132766IN
AAVE: aPolwstETH Token
0 MATIC0.00541124105.59768055
Approve559722462024-04-18 15:40:4755 days ago1713454847IN
AAVE: aPolwstETH Token
0 MATIC0.00611784209
Approve559722382024-04-18 15:40:2955 days ago1713454829IN
AAVE: aPolwstETH Token
0 MATIC0.00617639211
Transfer554793102024-04-05 16:53:4067 days ago1712336020IN
AAVE: aPolwstETH Token
0 MATIC0.05233464180
Transfer554792502024-04-05 16:51:3467 days ago1712335894IN
AAVE: aPolwstETH Token
0 MATIC0.08129034180
Approve553927592024-04-03 9:05:4070 days ago1712135140IN
AAVE: aPolwstETH Token
0 MATIC0.00416075142.141197
Approve553707382024-04-02 19:19:3570 days ago1712085575IN
AAVE: aPolwstETH Token
0 MATIC0.00453444145
Approve553703352024-04-02 19:03:4170 days ago1712084621IN
AAVE: aPolwstETH Token
0 MATIC0.00345409118
Approve552752352024-03-31 4:31:5373 days ago1711859513IN
AAVE: aPolwstETH Token
0 MATIC0.00713641138.42072852
Approve552039762024-03-29 6:10:2775 days ago1711692627IN
AAVE: aPolwstETH Token
0 MATIC0.00633962123.68545718
Permit548131932024-03-18 19:12:5685 days ago1710789176IN
AAVE: aPolwstETH Token
0 MATIC0.0017380445.69482915
Approve548127792024-03-18 18:57:1485 days ago1710788234IN
AAVE: aPolwstETH Token
0 MATIC0.0020674440.3263168
Approve546632032024-03-14 21:49:0989 days ago1710452949IN
AAVE: aPolwstETH Token
0 MATIC0.0042996483.88559499
Approve541546852024-03-01 22:57:55102 days ago1709333875IN
AAVE: aPolwstETH Token
0 MATIC0.0016298331.6129941
Transfer540866242024-02-29 5:43:31104 days ago1709185411IN
AAVE: aPolwstETH Token
0 MATIC0.0249007171.56838239
Transfer540550492024-02-28 10:37:45105 days ago1709116665IN
AAVE: aPolwstETH Token
0 MATIC0.07410276154.49308659
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Latest 1 internal transaction

Parent Transaction Hash Block From To Value
422205252023-05-02 15:25:10407 days ago1683041110  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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