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Contract

0x8dAE6Cb04688C62d939ed9B68d32Bc62e49970b1
 
Transaction Hash
Method
Block
From
To
Approve214771672024-12-25 4:41:358 hrs ago1735101695IN
Aave: aCRV Token V2
0 ETH0.00021694.2
Approve214741562024-12-24 18:36:1118 hrs ago1735065371IN
Aave: aCRV Token V2
0 ETH0.000427638.32484322
Approve214509452024-12-21 12:40:354 days ago1734784835IN
Aave: aCRV Token V2
0 ETH0.0005370110.45435136
Approve214354742024-12-19 8:48:236 days ago1734598103IN
Aave: aCRV Token V2
0 ETH0.0003224910.28744265
Approve214354522024-12-19 8:43:596 days ago1734597839IN
Aave: aCRV Token V2
0 ETH0.0003192110.87696634
Approve214354432024-12-19 8:42:116 days ago1734597731IN
Aave: aCRV Token V2
0 ETH0.0003299411.23790591
Approve214354012024-12-19 8:33:476 days ago1734597227IN
Aave: aCRV Token V2
0 ETH0.0003212710.94261118
Transfer214238012024-12-17 17:38:477 days ago1734457127IN
Aave: aCRV Token V2
0 ETH0.004788828.36684481
Approve214212852024-12-17 9:13:238 days ago1734426803IN
Aave: aCRV Token V2
0 ETH0.000386787.52964894
Approve214132102024-12-16 6:12:239 days ago1734329543IN
Aave: aCRV Token V2
0 ETH0.000281859.6
Approve214132092024-12-16 6:12:119 days ago1734329531IN
Aave: aCRV Token V2
0 ETH0.000281859.6
Approve214106152024-12-15 21:31:119 days ago1734298271IN
Aave: aCRV Token V2
0 ETH0.000665812.96148263
Transfer214063782024-12-15 7:17:5910 days ago1734247079IN
Aave: aCRV Token V2
0 ETH0.001207315.64064905
Approve214063442024-12-15 7:10:5910 days ago1734246659IN
Aave: aCRV Token V2
0 ETH0.000301165.86281514
Approve214035882024-12-14 21:58:1110 days ago1734213491IN
Aave: aCRV Token V2
0 ETH0.000349986.81329205
Approve213985012024-12-14 4:55:3511 days ago1734152135IN
Aave: aCRV Token V2
0 ETH0.000340059.92326507
Transfer213983302024-12-14 4:20:5911 days ago1734150059IN
Aave: aCRV Token V2
0 ETH0.001506049.96886458
Approve213927752024-12-13 9:44:3512 days ago1734083075IN
Aave: aCRV Token V2
0 ETH0.000671213.06652873
Approve213837372024-12-12 3:28:1113 days ago1733974091IN
Aave: aCRV Token V2
0 ETH0.0010088919.53551387
Transfer213756082024-12-11 0:12:3514 days ago1733875955IN
Aave: aCRV Token V2
0 ETH0.0033638712.93112694
Approve213741822024-12-10 19:25:5914 days ago1733858759IN
Aave: aCRV Token V2
0 ETH0.0014656428.37973725
Approve213643072024-12-09 10:19:5916 days ago1733739599IN
Aave: aCRV Token V2
0 ETH0.0005372210.4584535
Transfer213628912024-12-09 5:36:2316 days ago1733722583IN
Aave: aCRV Token V2
0 ETH0.002114289.35780902
Approve213455162024-12-06 19:22:2318 days ago1733512943IN
Aave: aCRV Token V2
0 ETH0.0013442826.16974414
Approve213441212024-12-06 14:42:1118 days ago1733496131IN
Aave: aCRV Token V2
0 ETH0.0013201225.56209438
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115383582020-12-27 21:46:551458 days ago1609105615  Contract Creation0 ETH
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Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x778A13D3...119a08E92
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
InitializableImmutableAdminUpgradeabilityProxy

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 6 : InitializableImmutableAdminUpgradeabilityProxy.sol
// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.6.12;

import './BaseImmutableAdminUpgradeabilityProxy.sol';
import '../../../dependencies/openzeppelin/upgradeability/InitializableUpgradeabilityProxy.sol';

/**
 * @title InitializableAdminUpgradeabilityProxy
 * @dev Extends BaseAdminUpgradeabilityProxy with an initializer function
 */
contract InitializableImmutableAdminUpgradeabilityProxy is
  BaseImmutableAdminUpgradeabilityProxy,
  InitializableUpgradeabilityProxy
{
  constructor(address admin) public BaseImmutableAdminUpgradeabilityProxy(admin) {}

  /**
   * @dev Only fall back when the sender is not the admin.
   */
  function _willFallback() internal override(BaseImmutableAdminUpgradeabilityProxy, Proxy) {
    BaseImmutableAdminUpgradeabilityProxy._willFallback();
  }
}

File 2 of 6 : BaseImmutableAdminUpgradeabilityProxy.sol
// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.6.12;

import '../../../dependencies/openzeppelin/upgradeability/BaseUpgradeabilityProxy.sol';

/**
 * @title BaseImmutableAdminUpgradeabilityProxy
 * @author Aave, inspired by the OpenZeppelin upgradeability proxy pattern
 * @dev This contract combines an upgradeability proxy with an authorization
 * mechanism for administrative tasks. 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 immutable ADMIN;

  constructor(address admin) public {
    ADMIN = admin;
  }

  modifier ifAdmin() {
    if (msg.sender == ADMIN) {
      _;
    } else {
      _fallback();
    }
  }

  /**
   * @return The address of the proxy admin.
   */
  function admin() external ifAdmin returns (address) {
    return ADMIN;
  }

  /**
   * @return The address of the implementation.
   */
  function implementation() external ifAdmin returns (address) {
    return _implementation();
  }

  /**
   * @dev Upgrade the backing implementation of the proxy.
   * Only the admin can call this function.
   * @param newImplementation Address of the new implementation.
   */
  function upgradeTo(address newImplementation) external ifAdmin {
    _upgradeTo(newImplementation);
  }

  /**
   * @dev Upgrade the backing implementation of the proxy and call a function
   * on the new implementation.
   * This is useful to initialize the proxied contract.
   * @param newImplementation 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);
  }

  /**
   * @dev 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 3 of 6 : BaseUpgradeabilityProxy.sol
// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.6.12;

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 override view 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 4 of 6 : Proxy.sol
// SPDX-License-Identifier: agpl-3.0
pragma solidity ^0.6.0;

/**
 * @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.
   * Implemented entirely in `_fallback`.
   */
  fallback() external payable {
    _fallback();
  }

  /**
   * @return The Address of the implementation.
   */
  function _implementation() internal virtual view 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 5 of 6 : Address.sol
// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.6.12;

/**
 * @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');
  }
}

File 6 of 6 : InitializableUpgradeabilityProxy.sol
// SPDX-License-Identifier: agpl-3.0
pragma solidity 0.6.12;

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);
    }
  }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "istanbul",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "abi"
      ]
    }
  },
  "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

0x60806040526004361061004a5760003560e01c80633659cfe6146100545780634f1ef286146100875780635c60da1b14610107578063d1f5789414610138578063f851a440146101ee575b610052610203565b005b34801561006057600080fd5b506100526004803603602081101561007757600080fd5b50356001600160a01b031661021d565b6100526004803603604081101561009d57600080fd5b6001600160a01b0382351691908101906040810160208201356401000000008111156100c857600080fd5b8201836020820111156100da57600080fd5b803590602001918460018302840111640100000000831117156100fc57600080fd5b509092509050610267565b34801561011357600080fd5b5061011c610324565b604080516001600160a01b039092168252519081900360200190f35b6100526004803603604081101561014e57600080fd5b6001600160a01b03823516919081019060408101602082013564010000000081111561017957600080fd5b82018360208201111561018b57600080fd5b803590602001918460018302840111640100000000831117156101ad57600080fd5b91908080601f016020809104026020016040519081016040528093929190818152602001838380828437600092019190915250929550610371945050505050565b3480156101fa57600080fd5b5061011c610451565b61020b6104ab565b61021b6102166104b3565b6104d8565b565b336001600160a01b037f000000000000000000000000311bb771e4f8952e6da169b425e7e92d6ac4575616141561025c57610257816104fc565b610264565b610264610203565b50565b336001600160a01b037f000000000000000000000000311bb771e4f8952e6da169b425e7e92d6ac45756161415610317576102a1836104fc565b6000836001600160a01b031683836040518083838082843760405192019450600093509091505080830381855af49150503d80600081146102fe576040519150601f19603f3d011682016040523d82523d6000602084013e610303565b606091505b505090508061031157600080fd5b5061031f565b61031f610203565b505050565b6000336001600160a01b037f000000000000000000000000311bb771e4f8952e6da169b425e7e92d6ac457561614156103665761035f6104b3565b905061036e565b61036e610203565b90565b600061037b6104b3565b6001600160a01b03161461038e57600080fd5b6103978261053c565b80511561044d576000826001600160a01b0316826040518082805190602001908083835b602083106103da5780518252601f1990920191602091820191016103bb565b6001836020036101000a038019825116818451168082178552505050505050905001915050600060405180830381855af49150503d806000811461043a576040519150601f19603f3d011682016040523d82523d6000602084013e61043f565b606091505b505090508061031f57600080fd5b5050565b6000336001600160a01b037f000000000000000000000000311bb771e4f8952e6da169b425e7e92d6ac4575616141561036657507f000000000000000000000000311bb771e4f8952e6da169b425e7e92d6ac4575661036e565b61021b6105a4565b7f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc5490565b3660008037600080366000845af43d6000803e8080156104f7573d6000f35b3d6000fd5b6105058161053c565b6040516001600160a01b038216907fbc7cd75a20ee27fd9adebab32041f755214dbc6bffa90cc0225b39da2e5c2d3b90600090a250565b61054581610614565b6105805760405162461bcd60e51b815260040180806020018281038252603b815260200180610683603b913960400191505060405180910390fd5b7f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc55565b336001600160a01b037f000000000000000000000000311bb771e4f8952e6da169b425e7e92d6ac4575616141561060c5760405162461bcd60e51b81526004018080602001828103825260328152602001806106516032913960400191505060405180910390fd5b61021b61021b565b6000813f7fc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a47081811480159061064857508115155b94935050505056fe43616e6e6f742063616c6c2066616c6c6261636b2066756e6374696f6e2066726f6d207468652070726f78792061646d696e43616e6e6f742073657420612070726f787920696d706c656d656e746174696f6e20746f2061206e6f6e2d636f6e74726163742061646472657373a2646970667358221220d2bb1664f8e88a49788d74ca9ce8fbe0ea4b9ee981435553ed807e63cd50ce0264736f6c634300060c0033

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