Source Code
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| Initialize2 | 11797769 | 456 days ago | IN | 0 FRAX | 0.00000194 |
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| 11797769 | 456 days ago | Contract Creation | 0 FRAX |
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This contract may be a proxy contract. Click on More Options and select Is this a proxy? to confirm and enable the "Read as Proxy" & "Write as Proxy" tabs.
Contract Name:
FraxProxy
Compiler Version
v0.8.25+commit.b61c2a91
Optimization Enabled:
No with 200 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
//SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import { TransparentUpgradeableProxy } from "@openzeppelin/contracts/proxy/transparent/TransparentUpgradeableProxy.sol";
contract FraxProxy is TransparentUpgradeableProxy {
constructor(
address _logic,
address initialOwner,
bytes memory _data
) TransparentUpgradeableProxy(_logic, initialOwner, _data) {}
receive() external payable {}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/transparent/TransparentUpgradeableProxy.sol)
pragma solidity ^0.8.20;
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 {
function upgradeToAndCall(address, bytes calldata) 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.
*
* 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 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);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/ERC1967/ERC1967Utils.sol)
pragma solidity ^0.8.20;
import {IBeacon} from "../beacon/IBeacon.sol";
import {Address} from "../../utils/Address.sol";
import {StorageSlot} from "../../utils/StorageSlot.sol";
/**
* @dev This abstract contract provides getters and event emitting update functions for
* https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
*/
library ERC1967Utils {
// We re-declare ERC-1967 events here because they can't be used directly from IERC1967.
// This will be fixed in Solidity 0.8.21. At that point we should remove these events.
/**
* @dev Emitted when the implementation is upgraded.
*/
event Upgraded(address indexed implementation);
/**
* @dev Emitted when the admin account has changed.
*/
event AdminChanged(address previousAdmin, address newAdmin);
/**
* @dev Emitted when the beacon is changed.
*/
event BeaconUpgraded(address indexed beacon);
/**
* @dev Storage slot with the address of the current implementation.
* This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1.
*/
// solhint-disable-next-line private-vars-leading-underscore
bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
/**
* @dev The `implementation` of the proxy is invalid.
*/
error ERC1967InvalidImplementation(address implementation);
/**
* @dev The `admin` of the proxy is invalid.
*/
error ERC1967InvalidAdmin(address admin);
/**
* @dev The `beacon` of the proxy is invalid.
*/
error ERC1967InvalidBeacon(address beacon);
/**
* @dev An upgrade function sees `msg.value > 0` that may be lost.
*/
error ERC1967NonPayable();
/**
* @dev Returns the current implementation address.
*/
function getImplementation() internal view returns (address) {
return StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value;
}
/**
* @dev Stores a new address in the EIP1967 implementation slot.
*/
function _setImplementation(address newImplementation) private {
if (newImplementation.code.length == 0) {
revert ERC1967InvalidImplementation(newImplementation);
}
StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value = newImplementation;
}
/**
* @dev Performs implementation upgrade with additional setup call if data is nonempty.
* This function is payable only if the setup call is performed, otherwise `msg.value` is rejected
* to avoid stuck value in the contract.
*
* Emits an {IERC1967-Upgraded} event.
*/
function upgradeToAndCall(address newImplementation, bytes memory data) internal {
_setImplementation(newImplementation);
emit Upgraded(newImplementation);
if (data.length > 0) {
Address.functionDelegateCall(newImplementation, data);
} else {
_checkNonPayable();
}
}
/**
* @dev Storage slot with the admin of the contract.
* This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1.
*/
// solhint-disable-next-line private-vars-leading-underscore
bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;
/**
* @dev Returns the current admin.
*
* TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using
* the https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
* `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`
*/
function getAdmin() internal view returns (address) {
return StorageSlot.getAddressSlot(ADMIN_SLOT).value;
}
/**
* @dev Stores a new address in the EIP1967 admin slot.
*/
function _setAdmin(address newAdmin) private {
if (newAdmin == address(0)) {
revert ERC1967InvalidAdmin(address(0));
}
StorageSlot.getAddressSlot(ADMIN_SLOT).value = newAdmin;
}
/**
* @dev Changes the admin of the proxy.
*
* Emits an {IERC1967-AdminChanged} event.
*/
function changeAdmin(address newAdmin) internal {
emit AdminChanged(getAdmin(), newAdmin);
_setAdmin(newAdmin);
}
/**
* @dev The storage slot of the UpgradeableBeacon contract which defines the implementation for this proxy.
* This is the keccak-256 hash of "eip1967.proxy.beacon" subtracted by 1.
*/
// solhint-disable-next-line private-vars-leading-underscore
bytes32 internal constant BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;
/**
* @dev Returns the current beacon.
*/
function getBeacon() internal view returns (address) {
return StorageSlot.getAddressSlot(BEACON_SLOT).value;
}
/**
* @dev Stores a new beacon in the EIP1967 beacon slot.
*/
function _setBeacon(address newBeacon) private {
if (newBeacon.code.length == 0) {
revert ERC1967InvalidBeacon(newBeacon);
}
StorageSlot.getAddressSlot(BEACON_SLOT).value = newBeacon;
address beaconImplementation = IBeacon(newBeacon).implementation();
if (beaconImplementation.code.length == 0) {
revert ERC1967InvalidImplementation(beaconImplementation);
}
}
/**
* @dev Change the beacon and trigger a setup call if data is nonempty.
* This function is payable only if the setup call is performed, otherwise `msg.value` is rejected
* to avoid stuck value in the contract.
*
* Emits an {IERC1967-BeaconUpgraded} event.
*
* CAUTION: Invoking this function has no effect on an instance of {BeaconProxy} since v5, since
* it uses an immutable beacon without looking at the value of the ERC-1967 beacon slot for
* efficiency.
*/
function upgradeBeaconToAndCall(address newBeacon, bytes memory data) internal {
_setBeacon(newBeacon);
emit BeaconUpgraded(newBeacon);
if (data.length > 0) {
Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
} else {
_checkNonPayable();
}
}
/**
* @dev Reverts if `msg.value` is not zero. It can be used to avoid `msg.value` stuck in the contract
* if an upgrade doesn't perform an initialization call.
*/
function _checkNonPayable() private {
if (msg.value > 0) {
revert ERC1967NonPayable();
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/ERC1967/ERC1967Proxy.sol)
pragma solidity ^0.8.20;
import {Proxy} from "../Proxy.sol";
import {ERC1967Utils} from "./ERC1967Utils.sol";
/**
* @dev This contract implements an upgradeable proxy. It is upgradeable because calls are delegated to an
* implementation address that can be changed. This address is stored in storage in the location specified by
* https://eips.ethereum.org/EIPS/eip-1967[EIP1967], so that it doesn't conflict with the storage layout of the
* implementation behind the proxy.
*/
contract ERC1967Proxy is Proxy {
/**
* @dev Initializes the upgradeable proxy with an initial implementation specified by `implementation`.
*
* If `_data` is nonempty, it's used as data in a delegate call to `implementation`. This will typically be an
* encoded function call, and allows initializing the storage of the proxy like a Solidity constructor.
*
* Requirements:
*
* - If `data` is empty, `msg.value` must be zero.
*/
constructor(address implementation, bytes memory _data) payable {
ERC1967Utils.upgradeToAndCall(implementation, _data);
}
/**
* @dev Returns the current implementation address.
*
* TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using
* the https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
* `0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc`
*/
function _implementation() internal view virtual override returns (address) {
return ERC1967Utils.getImplementation();
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC1967.sol)
pragma solidity ^0.8.20;
/**
* @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC.
*/
interface IERC1967 {
/**
* @dev Emitted when the implementation is upgraded.
*/
event Upgraded(address indexed implementation);
/**
* @dev Emitted when the admin account has changed.
*/
event AdminChanged(address previousAdmin, address newAdmin);
/**
* @dev Emitted when the beacon is changed.
*/
event BeaconUpgraded(address indexed beacon);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/transparent/ProxyAdmin.sol)
pragma solidity ^0.8.20;
import {ITransparentUpgradeableProxy} from "./TransparentUpgradeableProxy.sol";
import {Ownable} from "../../access/Ownable.sol";
/**
* @dev This is an auxiliary contract meant to be assigned as the admin of a {TransparentUpgradeableProxy}. For an
* explanation of why you would want to use this see the documentation for {TransparentUpgradeableProxy}.
*/
contract ProxyAdmin is Ownable {
/**
* @dev The version of the upgrade interface of the contract. If this getter is missing, both `upgrade(address)`
* and `upgradeAndCall(address,bytes)` are present, and `upgradeTo` must be used if no function should be called,
* while `upgradeAndCall` will invoke the `receive` function if the second argument is the empty byte string.
* If the getter returns `"5.0.0"`, only `upgradeAndCall(address,bytes)` is present, and the second argument must
* be the empty byte string if no function should be called, making it impossible to invoke the `receive` function
* during an upgrade.
*/
string public constant UPGRADE_INTERFACE_VERSION = "5.0.0";
/**
* @dev Sets the initial owner who can perform upgrades.
*/
constructor(address initialOwner) Ownable(initialOwner) {}
/**
* @dev Upgrades `proxy` to `implementation` and calls a function on the new implementation.
* See {TransparentUpgradeableProxy-_dispatchUpgradeToAndCall}.
*
* Requirements:
*
* - This contract must be the admin of `proxy`.
* - If `data` is empty, `msg.value` must be zero.
*/
function upgradeAndCall(
ITransparentUpgradeableProxy proxy,
address implementation,
bytes memory data
) public payable virtual onlyOwner {
proxy.upgradeToAndCall{value: msg.value}(implementation, data);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/beacon/IBeacon.sol)
pragma solidity ^0.8.20;
/**
* @dev This is the interface that {BeaconProxy} expects of its beacon.
*/
interface IBeacon {
/**
* @dev Must return an address that can be used as a delegate call target.
*
* {UpgradeableBeacon} will check that this address is a contract.
*/
function implementation() external view returns (address);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/Address.sol)
pragma solidity ^0.8.20;
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev The ETH balance of the account is not enough to perform the operation.
*/
error AddressInsufficientBalance(address account);
/**
* @dev There's no code at `target` (it is not a contract).
*/
error AddressEmptyCode(address target);
/**
* @dev A call to an address target failed. The target may have reverted.
*/
error FailedInnerCall();
/**
* @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://consensys.net/diligence/blog/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/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
if (address(this).balance < amount) {
revert AddressInsufficientBalance(address(this));
}
(bool success, ) = recipient.call{value: amount}("");
if (!success) {
revert FailedInnerCall();
}
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason or custom error, it is bubbled
* up by this function (like regular Solidity function calls). However, if
* the call reverted with no returned reason, this function reverts with a
* {FailedInnerCall} error.
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
if (address(this).balance < value) {
revert AddressInsufficientBalance(address(this));
}
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
* was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an
* unsuccessful call.
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata
) internal view returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
// only check if target is a contract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
if (returndata.length == 0 && target.code.length == 0) {
revert AddressEmptyCode(target);
}
return returndata;
}
}
/**
* @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
* revert reason or with a default {FailedInnerCall} error.
*/
function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
return returndata;
}
}
/**
* @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}.
*/
function _revert(bytes memory returndata) private pure {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert FailedInnerCall();
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.
pragma solidity ^0.8.20;
/**
* @dev Library for reading and writing primitive types to specific storage slots.
*
* Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts.
* This library helps with reading and writing to such slots without the need for inline assembly.
*
* The functions in this library return Slot structs that contain a `value` member that can be used to read or write.
*
* Example usage to set ERC1967 implementation slot:
* ```solidity
* contract ERC1967 {
* bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
*
* function _getImplementation() internal view returns (address) {
* return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
* }
*
* function _setImplementation(address newImplementation) internal {
* require(newImplementation.code.length > 0);
* StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
* }
* }
* ```
*/
library StorageSlot {
struct AddressSlot {
address value;
}
struct BooleanSlot {
bool value;
}
struct Bytes32Slot {
bytes32 value;
}
struct Uint256Slot {
uint256 value;
}
struct StringSlot {
string value;
}
struct BytesSlot {
bytes value;
}
/**
* @dev Returns an `AddressSlot` with member `value` located at `slot`.
*/
function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `BooleanSlot` with member `value` located at `slot`.
*/
function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
*/
function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `Uint256Slot` with member `value` located at `slot`.
*/
function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `StringSlot` with member `value` located at `slot`.
*/
function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `StringSlot` representation of the string storage pointer `store`.
*/
function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := store.slot
}
}
/**
* @dev Returns an `BytesSlot` with member `value` located at `slot`.
*/
function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := slot
}
}
/**
* @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.
*/
function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
/// @solidity memory-safe-assembly
assembly {
r.slot := store.slot
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/Proxy.sol)
pragma solidity ^0.8.20;
/**
* @dev This abstract contract provides a fallback function that delegates all calls to another contract using the EVM
* instruction `delegatecall`. We refer to the second contract as the _implementation_ behind the proxy, and it has to
* be specified by overriding the virtual {_implementation} function.
*
* Additionally, delegation to the implementation can be triggered manually through the {_fallback} function, or to a
* different contract through the {_delegate} function.
*
* The success and return data of the delegated call will be returned back to the caller of the proxy.
*/
abstract contract Proxy {
/**
* @dev Delegates the current call to `implementation`.
*
* This function does not return to its internal call site, it will return directly to the external caller.
*/
function _delegate(address implementation) internal virtual {
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 This is a virtual function that should be overridden so it returns the address to which the fallback
* function and {_fallback} should delegate.
*/
function _implementation() internal view virtual returns (address);
/**
* @dev Delegates the current call to the address returned by `_implementation()`.
*
* This function does not return to its internal call site, it will return directly to the external caller.
*/
function _fallback() internal virtual {
_delegate(_implementation());
}
/**
* @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if no other
* function in the contract matches the call data.
*/
fallback() external payable virtual {
_fallback();
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)
pragma solidity ^0.8.20;
import {Context} from "../utils/Context.sol";
/**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* The initial owner is set to the address provided by the deployer. This can
* later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/
abstract contract Ownable is Context {
address private _owner;
/**
* @dev The caller account is not authorized to perform an operation.
*/
error OwnableUnauthorizedAccount(address account);
/**
* @dev The owner is not a valid owner account. (eg. `address(0)`)
*/
error OwnableInvalidOwner(address owner);
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the address provided by the deployer as the initial owner.
*/
constructor(address initialOwner) {
if (initialOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(initialOwner);
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
if (owner() != _msgSender()) {
revert OwnableUnauthorizedAccount(_msgSender());
}
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby disabling any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
if (newOwner == address(0)) {
revert OwnableInvalidOwner(address(0));
}
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)
pragma solidity ^0.8.20;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}{
"remappings": [
"frax-std/=node_modules/frax-standard-solidity/src/",
"@prb/test/=node_modules/@prb/test/",
"forge-std/=node_modules/forge-std/src/",
"ds-test/=node_modules/ds-test/src/",
"@axelar-network/=node_modules/@axelar-network/",
"@chainlink/=node_modules/@chainlink/",
"@eth-optimism/=node_modules/@eth-optimism/",
"@fraxfinance/=node_modules/@fraxfinance/",
"@layerzerolabs/=node_modules/@layerzerolabs/",
"@openzeppelin/=node_modules/@openzeppelin/",
"frax-standard-solidity/=node_modules/frax-standard-solidity/",
"hardhat-deploy/=node_modules/hardhat-deploy/",
"solidity-bytes-utils/=node_modules/solidity-bytes-utils/"
],
"optimizer": {
"enabled": false,
"runs": 200
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "none",
"appendCBOR": false
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "paris",
"viaIR": false,
"libraries": {}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
API[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"address","name":"initialOwner","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"target","type":"address"}],"name":"AddressEmptyCode","type":"error"},{"inputs":[{"internalType":"address","name":"admin","type":"address"}],"name":"ERC1967InvalidAdmin","type":"error"},{"inputs":[{"internalType":"address","name":"implementation","type":"address"}],"name":"ERC1967InvalidImplementation","type":"error"},{"inputs":[],"name":"ERC1967NonPayable","type":"error"},{"inputs":[],"name":"FailedInnerCall","type":"error"},{"inputs":[],"name":"ProxyDeniedAdminAccess","type":"error"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"previousAdmin","type":"address"},{"indexed":false,"internalType":"address","name":"newAdmin","type":"address"}],"name":"AdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"stateMutability":"payable","type":"receive"}]Contract Creation Code
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Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
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
-----Decoded View---------------
Arg [0] : _logic (address): 0xd774F32225125a425e9bdde9135617a6Af999D6F
Arg [1] : initialOwner (address): 0x1804c8AB1F12E6bbf3894d4083f33e07309d1f38
Arg [2] : _data (bytes): 0x358764760000000000000000000000001a44076050125825900e736c501f859c50fe728c00000000000000000000000080eede496655fb9047dd39d9f418d5483ed600df0000000000000000000000005bff88ca1442c2496f7e475e9e7786383bc070c000000000000000000000000043edd7f3831b08fe70b7555ddd373c8bf65a90500000000000000000000000003ec3849c33291a9ef4c5db86de593eb4a37fde4500000000000000000000000064445f0aecc51e94ad52d8ac56b7190e764e561a00000000000000000000000090581eca9469d8d7f5d3b60f4715027adfcf7927
-----Encoded View---------------
12 Constructor Arguments found :
Arg [0] : 000000000000000000000000d774f32225125a425e9bdde9135617a6af999d6f
Arg [1] : 0000000000000000000000001804c8ab1f12e6bbf3894d4083f33e07309d1f38
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000060
Arg [3] : 00000000000000000000000000000000000000000000000000000000000000e4
Arg [4] : 358764760000000000000000000000001a44076050125825900e736c501f859c
Arg [5] : 50fe728c00000000000000000000000080eede496655fb9047dd39d9f418d548
Arg [6] : 3ed600df0000000000000000000000005bff88ca1442c2496f7e475e9e778638
Arg [7] : 3bc070c000000000000000000000000043edd7f3831b08fe70b7555ddd373c8b
Arg [8] : f65a90500000000000000000000000003ec3849c33291a9ef4c5db86de593eb4
Arg [9] : a37fde4500000000000000000000000064445f0aecc51e94ad52d8ac56b7190e
Arg [10] : 764e561a00000000000000000000000090581eca9469d8d7f5d3b60f4715027a
Arg [11] : dfcf792700000000000000000000000000000000000000000000000000000000
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Net Worth in USD
$0.00
Net Worth in FRAX
0
Token Allocations
FRAX
100.00%
Multichain Portfolio | 35 Chains
| Chain | Token | Portfolio % | Price | Amount | Value |
|---|---|---|---|---|---|
| FRAXTAL | 100.00% | $0.844773 | 0.00000001047 | <$0.000001 |
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.