ETH Price: $2,627.55 (+1.79%)

Contract

0xd250B7Ec0dcAe1C988A69120F7bb2213d4e7c660
 

Overview

ETH Balance

0 ETH

Eth Value

$0.00

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
Register169380532023-03-30 5:42:11511 days ago1680154931IN
0xd250B7Ec...3d4e7c660
0 ETH0.0011686824.10360853
Register169380522023-03-30 5:41:59511 days ago1680154919IN
0xd250B7Ec...3d4e7c660
0 ETH0.0027971624.05337152
Register169380012023-03-30 5:31:47511 days ago1680154307IN
0xd250B7Ec...3d4e7c660
0 ETH0.0032104327.65850485
Register169379952023-03-30 5:30:35511 days ago1680154235IN
0xd250B7Ec...3d4e7c660
0 ETH0.0027107623.35137324
Register169379942023-03-30 5:30:23511 days ago1680154223IN
0xd250B7Ec...3d4e7c660
0 ETH0.0029259425.17898138
Register169379802023-03-30 5:27:35511 days ago1680154055IN
0xd250B7Ec...3d4e7c660
0 ETH0.003371129.04576427
Register169379372023-03-30 5:18:59511 days ago1680153539IN
0xd250B7Ec...3d4e7c660
0 ETH0.0012759330
Register169379372023-03-30 5:18:59511 days ago1680153539IN
0xd250B7Ec...3d4e7c660
0 ETH0.0027594123.75080439
Register169378332023-03-30 4:58:11511 days ago1680152291IN
0xd250B7Ec...3d4e7c660
0 ETH0.0033368128.72651948
Register169378292023-03-30 4:57:23511 days ago1680152243IN
0xd250B7Ec...3d4e7c660
0 ETH0.0034822629.94779645
Register169378222023-03-30 4:55:59511 days ago1680152159IN
0xd250B7Ec...3d4e7c660
0 ETH0.0031214526.88917664
Register169378212023-03-30 4:55:47511 days ago1680152147IN
0xd250B7Ec...3d4e7c660
0 ETH0.0031840227.39979372
Register169365332023-03-30 0:35:23511 days ago1680136523IN
0xd250B7Ec...3d4e7c660
0 ETH0.0025611822.05823661
Register169364422023-03-30 0:16:35511 days ago1680135395IN
0xd250B7Ec...3d4e7c660
0 ETH0.0025853722.28737311
Register169364392023-03-30 0:15:59511 days ago1680135359IN
0xd250B7Ec...3d4e7c660
0 ETH0.0026968823.22458546
Register169364292023-03-30 0:13:59511 days ago1680135239IN
0xd250B7Ec...3d4e7c660
0 ETH0.0026142122.54524144
Register169364262023-03-30 0:13:23511 days ago1680135203IN
0xd250B7Ec...3d4e7c660
0 ETH0.0027028323.28541073
Register169364192023-03-30 0:11:59511 days ago1680135119IN
0xd250B7Ec...3d4e7c660
0 ETH0.0027889124.04689479
Register169364152023-03-30 0:11:11511 days ago1680135071IN
0xd250B7Ec...3d4e7c660
0 ETH0.0028462224.51571693
Register169364042023-03-30 0:08:59511 days ago1680134939IN
0xd250B7Ec...3d4e7c660
0 ETH0.00291625.14273307
Register169364032023-03-30 0:08:47511 days ago1680134927IN
0xd250B7Ec...3d4e7c660
0 ETH0.0029538225.44249199
Register169363862023-03-30 0:05:23511 days ago1680134723IN
0xd250B7Ec...3d4e7c660
0 ETH0.0030929926.66606585
Register169363852023-03-30 0:05:11511 days ago1680134711IN
0xd250B7Ec...3d4e7c660
0 ETH0.0031468627.1024371
Register169363212023-03-29 23:51:59511 days ago1680133919IN
0xd250B7Ec...3d4e7c660
0 ETH0.0027839224.00636444
Register169362812023-03-29 23:43:59511 days ago1680133439IN
0xd250B7Ec...3d4e7c660
0 ETH0.0029021424.99995897
View all transactions

View more zero value Internal Transactions in Advanced View mode

Advanced mode:
Loading...
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
CoreProxy

Compiler Version
v0.8.2+commit.661d1103

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, Apache-2.0 license
File 1 of 9 : CoreProxy.sol
// SPDX-License-Identifier: Apache-2.0
pragma solidity 0.8.2;


import "ICoreProxy.sol";
import "ERC1967Proxy.sol";

contract CoreProxy is 
    ICoreProxy, 
    ERC1967Proxy
{

    modifier onlyAdmin() {
        require(
            msg.sender == _getAdmin(),
            "ERROR:CRP-001:NOT_ADMIN");
        _;
    }

    constructor(address _controller, bytes memory encoded_initializer) 
        ERC1967Proxy(_controller, encoded_initializer) 
    {
        _changeAdmin(msg.sender);
    }

    function implementation() external view returns (address) {
        return _implementation();
    }

    function upgradeToAndCall(address newImplementation, bytes calldata data) 
        external
        payable
        onlyAdmin
    {
        address oldImplementation =  _implementation();

        _upgradeToAndCall(newImplementation, data, true);

        emit LogCoreContractUpgraded(
            oldImplementation, 
            newImplementation);
    }    
}

File 2 of 9 : ICoreProxy.sol
// SPDX-License-Identifier: Apache-2.0
pragma solidity 0.8.2;

interface ICoreProxy {

    event LogCoreContractUpgraded (
        address oldImplementation, 
        address newImplemntation
    );

}

File 3 of 9 : ERC1967Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (proxy/ERC1967/ERC1967Proxy.sol)

pragma solidity ^0.8.0;

import "Proxy.sol";
import "ERC1967Upgrade.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, ERC1967Upgrade {
    /**
     * @dev Initializes the upgradeable proxy with an initial implementation specified by `_logic`.
     *
     * If `_data` is nonempty, it's used as data in a delegate call to `_logic`. This will typically be an encoded
     * function call, and allows initializing the storage of the proxy like a Solidity constructor.
     */
    constructor(address _logic, bytes memory _data) payable {
        _upgradeToAndCall(_logic, _data, false);
    }

    /**
     * @dev Returns the current implementation address.
     */
    function _implementation() internal view virtual override returns (address impl) {
        return ERC1967Upgrade._getImplementation();
    }
}

File 4 of 9 : Proxy.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (proxy/Proxy.sol)

pragma solidity ^0.8.0;

/**
 * @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 {
        _beforeFallback();
        _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();
    }

    /**
     * @dev Fallback function that delegates calls to the address returned by `_implementation()`. Will run if call data
     * is empty.
     */
    receive() external payable virtual {
        _fallback();
    }

    /**
     * @dev Hook that is called before falling back to the implementation. Can happen as part of a manual `_fallback`
     * call, or as part of the Solidity `fallback` or `receive` functions.
     *
     * If overridden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

File 5 of 9 : ERC1967Upgrade.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (proxy/ERC1967/ERC1967Upgrade.sol)

pragma solidity ^0.8.2;

import "IBeacon.sol";
import "draft-IERC1822.sol";
import "Address.sol";
import "StorageSlot.sol";

/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 *
 * _Available since v4.1._
 *
 * @custom:oz-upgrades-unsafe-allow delegatecall
 */
abstract contract ERC1967Upgrade {
    // This is the keccak-256 hash of "eip1967.proxy.rollback" subtracted by 1
    bytes32 private constant _ROLLBACK_SLOT = 0x4910fdfa16fed3260ed0e7147f7cc6da11a60208b5b9406d12a635614ffd9143;

    /**
     * @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 Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

    /**
     * @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 {
        require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
        StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Perform implementation upgrade
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Perform implementation upgrade with additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCall(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        _upgradeTo(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }
    }

    /**
     * @dev Perform implementation upgrade with security checks for UUPS proxies, and additional setup call.
     *
     * Emits an {Upgraded} event.
     */
    function _upgradeToAndCallUUPS(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        // Upgrades from old implementations will perform a rollback test. This test requires the new
        // implementation to upgrade back to the old, non-ERC1822 compliant, implementation. Removing
        // this special case will break upgrade paths from old UUPS implementation to new ones.
        if (StorageSlot.getBooleanSlot(_ROLLBACK_SLOT).value) {
            _setImplementation(newImplementation);
        } else {
            try IERC1822Proxiable(newImplementation).proxiableUUID() returns (bytes32 slot) {
                require(slot == _IMPLEMENTATION_SLOT, "ERC1967Upgrade: unsupported proxiableUUID");
            } catch {
                revert("ERC1967Upgrade: new implementation is not UUPS");
            }
            _upgradeToAndCall(newImplementation, data, forceCall);
        }
    }

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant _ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Emitted when the admin account has changed.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Returns the current admin.
     */
    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 {
        require(newAdmin != address(0), "ERC1967: new admin is the zero address");
        StorageSlot.getAddressSlot(_ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {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 bytes32(uint256(keccak256('eip1967.proxy.beacon')) - 1)) and is validated in the constructor.
     */
    bytes32 internal constant _BEACON_SLOT = 0xa3f0ad74e5423aebfd80d3ef4346578335a9a72aeaee59ff6cb3582b35133d50;

    /**
     * @dev Emitted when the beacon is upgraded.
     */
    event BeaconUpgraded(address indexed beacon);

    /**
     * @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 {
        require(Address.isContract(newBeacon), "ERC1967: new beacon is not a contract");
        require(
            Address.isContract(IBeacon(newBeacon).implementation()),
            "ERC1967: beacon implementation is not a contract"
        );
        StorageSlot.getAddressSlot(_BEACON_SLOT).value = newBeacon;
    }

    /**
     * @dev Perform beacon upgrade with additional setup call. Note: This upgrades the address of the beacon, it does
     * not upgrade the implementation contained in the beacon (see {UpgradeableBeacon-_setImplementation} for that).
     *
     * Emits a {BeaconUpgraded} event.
     */
    function _upgradeBeaconToAndCall(
        address newBeacon,
        bytes memory data,
        bool forceCall
    ) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
        }
    }
}

File 6 of 9 : IBeacon.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.0;

/**
 * @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.
     *
     * {BeaconProxy} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

File 7 of 9 : draft-IERC1822.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.5.0) (interfaces/draft-IERC1822.sol)

pragma solidity ^0.8.0;

/**
 * @dev ERC1822: Universal Upgradeable Proxy Standard (UUPS) documents a method for upgradeability through a simplified
 * proxy whose upgrades are fully controlled by the current implementation.
 */
interface IERC1822Proxiable {
    /**
     * @dev Returns the storage slot that the proxiable contract assumes is being used to store the implementation
     * address.
     *
     * IMPORTANT: A proxy pointing at a proxiable contract should not be considered proxiable itself, because this risks
     * bricking a proxy that upgrades to it, by delegating to itself until out of gas. Thus it is critical that this
     * function revert if invoked through a proxy.
     */
    function proxiableUUID() external view returns (bytes32);
}

File 8 of 9 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @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
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 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
                /// @solidity memory-safe-assembly
                assembly {
                    let returndata_size := mload(returndata)
                    revert(add(32, returndata), returndata_size)
                }
            } else {
                revert(errorMessage);
            }
        }
    }
}

File 9 of 9 : StorageSlot.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol)

pragma solidity ^0.8.0;

/**
 * @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:
 * ```
 * 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(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, and `uint256`._
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 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
        }
    }
}

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

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_controller","type":"address"},{"internalType":"bytes","name":"encoded_initializer","type":"bytes"}],"stateMutability":"nonpayable","type":"constructor"},{"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":"beacon","type":"address"}],"name":"BeaconUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"oldImplementation","type":"address"},{"indexed":false,"internalType":"address","name":"newImplemntation","type":"address"}],"name":"LogCoreContractUpgraded","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"inputs":[],"name":"implementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newImplementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeToAndCall","outputs":[],"stateMutability":"payable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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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)

000000000000000000000000c9a3008a5dd799ae3a6cd65ad0820595ff6935ad0000000000000000000000000000000000000000000000000000000000000040000000000000000000000000000000000000000000000000000000000000002456bbc19d322e302e3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

-----Decoded View---------------
Arg [0] : _controller (address): 0xC9a3008A5Dd799aE3a6Cd65ad0820595Ff6935aD
Arg [1] : encoded_initializer (bytes): 0x56bbc19d322e302e30000000000000000000000000000000000000000000000000000000

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 000000000000000000000000c9a3008a5dd799ae3a6cd65ad0820595ff6935ad
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000024
Arg [3] : 56bbc19d322e302e300000000000000000000000000000000000000000000000
Arg [4] : 0000000000000000000000000000000000000000000000000000000000000000


Block Transaction Difficulty Gas Used Reward
View All Blocks Produced

Block Uncle Number Difficulty Gas Used Reward
View All Uncles
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  ]

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.