FRAX Price: $1.04 (+7.69%)

Contract

0x64188DE66adD8B3d813F2Dc157dFeDaf74F10ede

Overview

FRAX Balance | FXTL Balance

0 FRAX | 1,527 FXTL

FRAX Value

$0.00

Token Holdings

More Info

Private Name Tags

Multichain Info

No addresses found
Transaction Hash
Block
From
To
Approve305316082026-01-08 12:05:2716 days ago1767873927IN
0x64188DE6...f74F10ede
0 FRAX0.00000450.00097025
Approve298134362025-12-22 21:06:2332 days ago1766437583IN
0x64188DE6...f74F10ede
0 FRAX0.000005230.001
Approve287568762025-11-28 10:07:4357 days ago1764324463IN
0x64188DE6...f74F10ede
0 FRAX0.000003510.001
Approve284608962025-11-21 13:41:4364 days ago1763732503IN
0x64188DE6...f74F10ede
0 FRAX0.000097490.00099995
Approve284606182025-11-21 13:32:2764 days ago1763731947IN
0x64188DE6...f74F10ede
0 FRAX0.000185990.001
Approve278579132025-11-07 14:42:1778 days ago1762526537IN
0x64188DE6...f74F10ede
0 FRAX0.000120650.001
Approve277536722025-11-05 4:47:3580 days ago1762318055IN
0x64188DE6...f74F10ede
0 FRAX0.000029550.00094133
Approve275546212025-10-31 14:12:3385 days ago1761919953IN
0x64188DE6...f74F10ede
0 FRAX0.000034840.0012745
Approve275280962025-10-30 23:28:2385 days ago1761866903IN
0x64188DE6...f74F10ede
0 FRAX0.000008410.00110108
Approve271436172025-10-22 1:52:2594 days ago1761097945IN
0x64188DE6...f74F10ede
0 FRAX0.00000830.00009974
Approve266847582025-10-11 10:57:07105 days ago1760180227IN
0x64188DE6...f74F10ede
0 FRAX0.000041310.0012
Approve262200922025-09-30 16:48:15116 days ago1759250895IN
0x64188DE6...f74F10ede
0 FRAX0.000099110.001
Approve261325232025-09-28 16:09:17118 days ago1759075757IN
0x64188DE6...f74F10ede
0 FRAX0.000026480.0001006
Approve261221652025-09-28 10:24:01118 days ago1759055041IN
0x64188DE6...f74F10ede
0 FRAX0.000009220.00000075
Approve260385162025-09-26 11:55:43120 days ago1758887743IN
0x64188DE6...f74F10ede
0 FRAX0.000035940.0000012
Approve258600842025-09-22 8:47:59124 days ago1758530879IN
0x64188DE6...f74F10ede
0 FRAX0.000034890.0012
Approve258558352025-09-22 6:26:21124 days ago1758522381IN
0x64188DE6...f74F10ede
0 FRAX0.000303530.00010035
Approve258315672025-09-21 16:57:25125 days ago1758473845IN
0x64188DE6...f74F10ede
0 FRAX0.000018110.00000119
Approve255980942025-09-16 7:14:59130 days ago1758006899IN
0x64188DE6...f74F10ede
0 FRAX0.000049390.00119925
Approve255581692025-09-15 9:04:09131 days ago1757927049IN
0x64188DE6...f74F10ede
0 FRAX0.000086340.0012
Approve250498852025-09-03 14:41:21143 days ago1756910481IN
0x64188DE6...f74F10ede
0 FRAX0.000123470.0000012
Approve246825172025-08-26 2:35:45151 days ago1756175745IN
0x64188DE6...f74F10ede
0 FRAX0.000020820.00000157
Approve246574962025-08-25 12:41:43152 days ago1756125703IN
0x64188DE6...f74F10ede
0 FRAX0.000021030.00010025
Approve245414972025-08-22 20:15:05155 days ago1755893705IN
0x64188DE6...f74F10ede
0 FRAX0.000139980.00100025
Approve241375002025-08-13 11:48:31164 days ago1755085711IN
0x64188DE6...f74F10ede
0 FRAX0.000093310.0012
View all transactions

Latest 1 internal transaction

Advanced mode:
Parent Transaction Hash Block From To
167908242025-02-24 10:19:19334 days ago1740392359  Contract Creation0 FRAX

Cross-Chain Transactions
Loading...
Loading

Similar Match Source Code
This contract matches the deployed Bytecode of the Source Code for Contract 0x29d0256f...70646059b
The constructor portion of the code might be different and could alter the actual behaviour of the contract

Contract Name:
InitializableImmutableAdminUpgradeabilityProxy

Compiler Version
v0.8.24+commit.e11b9ed9

Optimization Enabled:
Yes with 200 runs

Other Settings:
paris EvmVersion

Contract Source Code (Solidity Standard Json-Input format)

File 1 of 6 : InitializableImmutableAdminUpgradeabilityProxy.sol
// SPDX-License-Identifier: AGPL-3.0
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

pragma solidity ^0.8.0;

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();
    }
}

// SPDX-License-Identifier: MIT
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

// OpenZeppelin Contracts v4.4.1 (utils/Address.sol)

pragma solidity ^0.8.0;

/**
 * @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) {
        // This method relies on extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        assembly {
            size := extcodesize(account)
        }
        return size > 0;
    }

    /**
     * @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"
        );

        (bool success, ) = recipient.call{value: amount}("");
        require(
            success,
            "Address: unable to send value, recipient may have reverted"
        );
    }

    /**
     * @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, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * 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.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data
    ) internal returns (bytes memory) {
        return functionCall(target, data, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @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`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value
    ) internal returns (bytes memory) {
        return
            functionCallWithValue(
                target,
                data,
                value,
                "Address: low-level call with value failed"
            );
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(
            address(this).balance >= value,
            "Address: insufficient balance for call"
        );
        require(isContract(target), "Address: call to non-contract");

        (bool success, bytes memory returndata) = target.call{value: value}(
            data
        );
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data
    ) internal view returns (bytes memory) {
        return
            functionStaticCall(
                target,
                data,
                "Address: low-level static call failed"
            );
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        require(isContract(target), "Address: static call to non-contract");

        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data
    ) internal returns (bytes memory) {
        return
            functionDelegateCall(
                target,
                data,
                "Address: low-level delegate call failed"
            );
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(isContract(target), "Address: delegate call to non-contract");

        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResult(success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            // 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

                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

// SPDX-License-Identifier: AGPL-3.0
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

pragma solidity ^0.8.0;

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)
        }
    }
}

// SPDX-License-Identifier: AGPL-3.0
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

pragma solidity ^0.8.0;

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);
        }
    }
}

// SPDX-License-Identifier: AGPL-3.0
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

pragma solidity ^0.8.0;

/**
 * @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.
     * 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());
    }
}

// SPDX-License-Identifier: AGPL-3.0
/* ———————————————————————————————————————————————————————————————————————————————— *
 *    _____     ______   ______     __     __   __     __     ______   __  __       *
 *   /\  __-.  /\__  _\ /\  == \   /\ \   /\ "-.\ \   /\ \   /\__  _\ /\ \_\ \      *
 *   \ \ \/\ \ \/_/\ \/ \ \  __<   \ \ \  \ \ \-.  \  \ \ \  \/_/\ \/ \ \____ \     *
 *    \ \____-    \ \_\  \ \_\ \_\  \ \_\  \ \_\\"\_\  \ \_\    \ \_\  \/\_____\    *
 *     \/____/     \/_/   \/_/ /_/   \/_/   \/_/ \/_/   \/_/     \/_/   \/_____/    *
 *                                                                                  *
 * ————————————————————————————————— dtrinity.org ————————————————————————————————— *
 *                                                                                  *
 *                                         ▲                                        *
 *                                        ▲ ▲                                       *
 *                                                                                  *
 * ———————————————————————————————————————————————————————————————————————————————— *
 * dTRINITY Protocol: https://github.com/dtrinity                                   *
 * ———————————————————————————————————————————————————————————————————————————————— */

pragma solidity ^0.8.0;

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();
    }
}

Settings
{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "viaIR": true,
  "evmVersion": "paris",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "metadata": {
    "useLiteralContent": true
  },
  "libraries": {}
}

Contract Security Audit

Contract ABI

API
[{"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"}]

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

Deployed Bytecode

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

Block Transaction Difficulty Gas Used Reward
View All Blocks Produced

Block Uncle Number Difficulty Gas Used Reward
View All Uncles
Loading...
Loading
Loading...
Loading
Loading...
Loading

Validator Index Block Amount
View All Withdrawals

Transaction Hash Block Value Eth2 PubKey Valid
View All Deposits
Loading...
Loading
[ Download: CSV Export  ]
[ Download: CSV Export  ]

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.