hood// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.2.0) (proxy/transparent/TransparentUpgradeableProxy.sol)
pragma solidity ^0.8.22;
import {ERC1967Utils} from "../ERC1967/ERC1967Utils.sol";
import {ERC1967Proxy} from "../ERC1967/ERC1967Proxy.sol";
import {IERC1967} from "../../interfaces/IERC1967.sol";
import {ProxyAdmin} from "./ProxyAdmin.sol";
/**
* @dev Interface for {TransparentUpgradeableProxy}. In order to implement transparency, {TransparentUpgradeableProxy}
* does not implement this interface directly, and its upgradeability mechanism is implemented by an internal dispatch
* mechanism. The compiler is unaware that these functions are implemented by {TransparentUpgradeableProxy} and will not
* include them in the ABI so this interface must be used to interact with it.
*/
interface ITransparentUpgradeableProxy is IERC1967 {
/// @dev See {UUPSUpgradeable-upgradeToAndCall}
function upgradeToAndCall(address newImplementation, bytes calldata data) external payable;
}
/**
* @dev This contract implements a proxy that is upgradeable through an associated {ProxyAdmin} instance.
*
* To avoid https://medium.com/nomic-labs-blog/malicious-backdoors-in-ethereum-proxies-62629adf3357[proxy selector
* clashing], which can potentially be used in an attack, this contract uses the
* https://blog.openzeppelin.com/the-transparent-proxy-pattern/[transparent proxy pattern]. This pattern implies two
* things that go hand in hand:
*
* 1. If any account other than the admin calls the proxy, the call will be forwarded to the implementation, even if
* that call matches the {ITransparentUpgradeableProxy-upgradeToAndCall} function exposed by the proxy itself.
* 2. If the admin calls the proxy, it can call the `upgradeToAndCall` function but any other call won't be forwarded to
* the implementation. If the admin tries to call a function on the implementation it will fail with an error indicating
* the proxy admin cannot fallback to the target implementation.
*
* These properties mean that the admin account can only be used for upgrading the proxy, so it's best if it's a
* dedicated account that is not used for anything else. This will avoid headaches due to sudden errors when trying to
* call a function from the proxy implementation. For this reason, the proxy deploys an instance of {ProxyAdmin} and
* allows upgrades only if they come through it. You should think of the `ProxyAdmin` instance as the administrative
* interface of the proxy, including the ability to change who can trigger upgrades by transferring ownership.
*
* NOTE: The real interface of this proxy is that defined in `ITransparentUpgradeableProxy`. This contract does not
* inherit from that interface, and instead `upgradeToAndCall` is implicitly implemented using a custom dispatch
* mechanism in `_fallback`. Consequently, the compiler will not produce an ABI for this contract. This is necessary to
* fully implement transparency without decoding reverts caused by selector clashes between the proxy and the
* implementation.
*
* NOTE: This proxy does not inherit from {Context} deliberately. The {ProxyAdmin} of this contract won't send a
* meta-transaction in any way, and any other meta-transaction setup should be made in the implementation contract.
*
* IMPORTANT: This contract avoids unnecessary storage reads by setting the admin only during construction as an
* immutable variable, preventing any changes thereafter. However, the admin slot defined in ERC-1967 can still be
* overwritten by the implementation logic pointed to by this proxy. In such cases, the contract may end up in an
* undesirable state where the admin slot is different from the actual admin. Relying on the value of the admin slot
* is generally fine if the implementation is trusted.
*
* WARNING: It is not recommended to extend this contract to add additional external functions. If you do so, the
* compiler will not check that there are no selector conflicts, due to the note above. A selector clash between any new
* function and the functions declared in {ITransparentUpgradeableProxy} will be resolved in favor of the new one. This
* could render the `upgradeToAndCall` function inaccessible, preventing upgradeability and compromising transparency.
*/
contract TransparentUpgradeableProxy is ERC1967Proxy {
// An immutable address for the admin to avoid unnecessary SLOADs before each call
// at the expense of removing the ability to change the admin once it's set.
// This is acceptable if the admin is always a ProxyAdmin instance or similar contract
// with its own ability to transfer the permissions to another account.
address private immutable _admin;
/**
* @dev The proxy caller is the current admin, and can't fallback to the proxy target.
*/
error ProxyDeniedAdminAccess();
/**
* @dev Initializes an upgradeable proxy managed by an instance of a {ProxyAdmin} with an `initialOwner`,
* backed by the implementation at `_logic`, and optionally initialized with `_data` as explained in
* {ERC1967Proxy-constructor}.
*/
constructor(address _logic, address initialOwner, bytes memory _data) payable ERC1967Proxy(_logic, _data) {
_admin = address(new ProxyAdmin(initialOwner));
// Set the storage value and emit an event for ERC-1967 compatibility
ERC1967Utils.changeAdmin(_proxyAdmin());
}
/**
* @dev Returns the admin of this proxy.
*/
function _proxyAdmin() internal view virtual returns (address) {
return _admin;
}
/**
* @dev If caller is the admin process the call internally, otherwise transparently fallback to the proxy behavior.
*/
function _fallback() internal virtual override {
if (msg.sender == _proxyAdmin()) {
if (msg.sig != ITransparentUpgradeableProxy.upgradeToAndCall.selector) {
revert ProxyDeniedAdminAccess();
} else {
_dispatchUpgradeToAndCall();
}
} else {
super._fallback();
}
}
/**
* @dev Upgrade the implementation of the proxy. See {ERC1967Utils-upgradeToAndCall}.
*
* Requirements:
*
* - If `data` is empty, `msg.value` must be zero.
*/
function _dispatchUpgradeToAndCall() private {
(address newImplementation, bytes memory data) = abi.decode(msg.data[4:], (address, bytes));
ERC1967Utils.upgradeToAndCall(newImplementation, data);
}
}[
{
"type": "constructor",
"inputs": [
{
"name": "_logic",
"type": "address",
"internalType": "address"
},
{
"name": "initialOwner",
"type": "address",
"internalType": "address"
},
{
"name": "_data",
"type": "bytes",
"internalType": "bytes"
}
],
"stateMutability": "payable"
},
{
"name": "AddressEmptyCode",
"type": "error",
"inputs": [
{
"name": "target",
"type": "address",
"internalType": "address"
}
]
},
{
"name": "ERC1967InvalidAdmin",
"type": "error",
"inputs": [
{
"name": "admin",
"type": "address",
"internalType": "address"
}
]
},
{
"name": "ERC1967InvalidImplementation",
"type": "error",
"inputs": [
{
"name": "implementation",
"type": "address",
"internalType": "address"
}
]
},
{
"name": "ERC1967NonPayable",
"type": "error",
"inputs": []
},
{
"name": "FailedCall",
"type": "error",
"inputs": []
},
{
"name": "ProxyDeniedAdminAccess",
"type": "error",
"inputs": []
},
{
"name": "AdminChanged",
"type": "event",
"inputs": [
{
"name": "previousAdmin",
"type": "address",
"indexed": false,
"internalType": "address"
},
{
"name": "newAdmin",
"type": "address",
"indexed": false,
"internalType": "address"
}
],
"anonymous": false
},
{
"name": "Upgraded",
"type": "event",
"inputs": [
{
"name": "implementation",
"type": "address",
"indexed": true,
"internalType": "address"
}
],
"anonymous": false
},
{
"type": "fallback",
"stateMutability": "payable"
}
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| Token | Symbol | Balance | Price | Value |
|---|---|---|---|---|
| no token holdings | ||||
| Transaction Hash | Method | Block | Age | From | To | Amount | Token | ||
|---|---|---|---|---|---|---|---|---|---|
| no token transfers for this address yet | |||||||||
| Type | Age | Block | Details |
|---|---|---|---|
| no cross-chain L1↔L2 transactions for this address | |||
| Txn Hash | Age | Event | Topics / Data |
|---|---|---|---|
| 0x0df68a…46f7b9 | 31 days agoFri, 17 Jul 2026 03:50:12 UTC | 0x0d3648…d0e9 | [0] 0x000000000000…411ce782 [1] 0x000000000000…1eacad73 data: 0x000000000000000000…00000001 |
| 0x509072…1ffa97 | 31 days agoFri, 17 Jul 2026 02:05:55 UTC | 0x02dc5c…1684 | data: 0x000000000000000000…c5ea309c |
| 0x2e7442…4c6a35 | 31 days agoFri, 17 Jul 2026 02:05:53 UTC | 0x2f8788…6f0d | [0] 0x828634d95e77…afcd882f [1] 0x000000000000…6e1ff1cd [2] 0x000000000000…4f76a24e |
| 0xd004d6…c05a47 | 31 days agoFri, 17 Jul 2026 02:05:32 UTC | 0x7e644d…798f | data: 0x000000000000000000…0b6927ac |
| 0xd004d6…c05a47 | 31 days agoFri, 17 Jul 2026 02:05:32 UTC | 0xc7f505…81d2 | data: 0x000000000000000000…00000001 |
| 0xd004d6…c05a47 | 31 days agoFri, 17 Jul 2026 02:05:32 UTC | 0x2f8788…6f0d | [0] 0xa49807205ce4…93c21775 [1] 0x000000000000…4f76a24e [2] 0x000000000000…4f76a24e |
| 0xd004d6…c05a47 | 31 days agoFri, 17 Jul 2026 02:05:32 UTC | 0x2f8788…6f0d | [0] 0x000000000000…00000000 [1] 0x000000000000…4f76a24e [2] 0x000000000000…4f76a24e |
| 0xd004d6…c05a47 | 31 days agoFri, 17 Jul 2026 02:05:32 UTC | 0xbc7cd7…2d3b | [0] 0x000000000000…6f0987e0 |
| Transaction Hash | Method | Block | Age | From | To | Type | Item | ||
|---|---|---|---|---|---|---|---|---|---|
| no NFT transfers for this address yet | |||||||||
| Transaction Hash | Method ? | Block | Age | From | To | Amount | Txn Fee ? | ||
|---|---|---|---|---|---|---|---|---|---|
| 0x509072…1ffa97 | setRouter | 11,747,289 | 31 days agoFri, 17 Jul 2026 02:05:55 UTC | 0x7c3b…a24e | IN | TransparentUpgradeableProxy | $0.000 ETH | 0.00000440 | |
| 0x2e7442…4c6a35 | grantRole | 11,747,264 | 31 days agoFri, 17 Jul 2026 02:05:53 UTC | 0x7c3b…a24e | IN | TransparentUpgradeableProxy | $0.000 ETH | 0.00000470 |
| Block | Age | Parent Transaction Hash | Type | Method | From | To | Value | |
|---|---|---|---|---|---|---|---|---|
| 11,809,718 | 31 days agoFri, 17 Jul 2026 03:50:12 UTC | 0x0df68a…46f7b9 | CREATE | 0x1d41843a | 0xf0ce…bcd1 | OUT | 0xe13f…fe86 | 0 ETH |
| 11,747,044 | 31 days agoFri, 17 Jul 2026 02:05:32 UTC | 0xd004d6…c05a47 | CREATE | 0x60a06040 | 0xf0ce…bcd1 | OUT | 0xddb2…27ac | 0 ETH |