ETH Price: $2,417.93 (+0.61%)

Contract

0xF526EFc174b512e66243Cb52524C1BE720144e8d
Transaction Hash
Method
Block
From
To
0x92e767181258293562024-09-25 9:44:4911 days ago1727257489IN
XY Finance : USDT YBridge Vault
0 ETH0.0000011542630.00115361
Deposit1258293212024-09-25 9:43:3911 days ago1727257419IN
XY Finance : USDT YBridge Vault
0.00003636 ETH0.0000002956140.0011532
0x712900e71248375602024-09-02 10:44:5734 days ago1725273897IN
XY Finance : USDT YBridge Vault
0 ETH0.0000003603260.00122646
0x92e767181245230342024-08-26 4:00:4541 days ago1724644845IN
XY Finance : USDT YBridge Vault
0 ETH0.0000002008390.00110827
Deposit1245229902024-08-26 3:59:1741 days ago1724644757IN
XY Finance : USDT YBridge Vault
0.00003636 ETH0.0000000238910.0002064
Grant Role1243188582024-08-21 10:34:5346 days ago1724236493IN
XY Finance : USDT YBridge Vault
0 ETH0.0000056494930.1
Grant Role1243188482024-08-21 10:34:3346 days ago1724236473IN
XY Finance : USDT YBridge Vault
0 ETH0.0000056495060.1
Grant Role1243188392024-08-21 10:34:1546 days ago1724236455IN
XY Finance : USDT YBridge Vault
0 ETH0.0000056495010.1
Grant Role1243188292024-08-21 10:33:5546 days ago1724236435IN
XY Finance : USDT YBridge Vault
0 ETH0.0000056499710.1
0x712900e71239678042024-08-13 7:33:0554 days ago1723534385IN
XY Finance : USDT YBridge Vault
0 ETH0.0000001936620.00109065
0xc25f0c6c1239296002024-08-12 10:19:3755 days ago1723457977IN
XY Finance : USDT YBridge Vault
0 ETH0.0000003266150.00111483
Withdraw1239295422024-08-12 10:17:4155 days ago1723457861IN
XY Finance : USDT YBridge Vault
0.00003636 ETH0.0000001305580.00105647
0x712900e71234491752024-08-01 7:25:2766 days ago1722497127IN
XY Finance : USDT YBridge Vault
0 ETH0.0000003748440.0013206
0x712900e71220969372024-07-01 0:10:5197 days ago1719792651IN
XY Finance : USDT YBridge Vault
0 ETH0.000000245660.00140235
0x92e767181219499162024-06-27 14:30:09101 days ago1719498609IN
XY Finance : USDT YBridge Vault
0 ETH0.0000010755420.00586983
Deposit1219498762024-06-27 14:28:49101 days ago1719498529IN
XY Finance : USDT YBridge Vault
0.00003636 ETH0.000000531960.00591349
0xc25f0c6c1209798782024-06-05 3:35:33123 days ago1717558533IN
XY Finance : USDT YBridge Vault
0 ETH0.0000091574340.06066484
Withdraw1209798292024-06-05 3:33:55123 days ago1717558435IN
XY Finance : USDT YBridge Vault
0.00003636 ETH0.000015334230.1599176
0x92e767181209797352024-06-05 3:30:47123 days ago1717558247IN
XY Finance : USDT YBridge Vault
0 ETH0.0000096537890.06130382
Deposit1209796752024-06-05 3:28:47123 days ago1717558127IN
XY Finance : USDT YBridge Vault
0.00003636 ETH0.0000051610110.0612415
0x92e767181208993922024-06-03 6:52:41125 days ago1717397561IN
XY Finance : USDT YBridge Vault
0 ETH0.000000847050.00452619
Deposit1208993442024-06-03 6:51:05125 days ago1717397465IN
XY Finance : USDT YBridge Vault
0.00003636 ETH0.0000004581940.0051467
0x712900e71208007532024-06-01 0:04:43127 days ago1717200283IN
XY Finance : USDT YBridge Vault
0 ETH0.000000511840.00310196
0x92e767181197899542024-05-08 14:31:25151 days ago1715178685IN
XY Finance : USDT YBridge Vault
0 ETH0.0000096062110.06100538
Deposit1197899182024-05-08 14:30:13151 days ago1715178613IN
XY Finance : USDT YBridge Vault
0.00003744 ETH0.0000052183770.06193217
View all transactions

Latest 25 internal transactions (View All)

Advanced mode:
Parent Transaction Hash Block From To
1258293212024-09-25 9:43:3911 days ago1727257419
XY Finance : USDT YBridge Vault
0.00000606 ETH
1248375602024-09-02 10:44:5734 days ago1725273897
XY Finance : USDT YBridge Vault
0.0000303 ETH
1245229902024-08-26 3:59:1741 days ago1724644757
XY Finance : USDT YBridge Vault
0.00000606 ETH
1239678042024-08-13 7:33:0554 days ago1723534385
XY Finance : USDT YBridge Vault
0.0000303 ETH
1239295422024-08-12 10:17:4155 days ago1723457861
XY Finance : USDT YBridge Vault
0.00000606 ETH
1220969372024-07-01 0:10:5197 days ago1719792651
XY Finance : USDT YBridge Vault
0.0001212 ETH
1219498762024-06-27 14:28:49101 days ago1719498529
XY Finance : USDT YBridge Vault
0.00000606 ETH
1209798292024-06-05 3:33:55123 days ago1717558435
XY Finance : USDT YBridge Vault
0.00000606 ETH
1209796752024-06-05 3:28:47123 days ago1717558127
XY Finance : USDT YBridge Vault
0.00000606 ETH
1208993442024-06-03 6:51:05125 days ago1717397465
XY Finance : USDT YBridge Vault
0.00000606 ETH
1208007532024-06-01 0:04:43127 days ago1717200283
XY Finance : USDT YBridge Vault
0.0000312 ETH
1197899182024-05-08 14:30:13151 days ago1715178613
XY Finance : USDT YBridge Vault
0.00000624 ETH
1194615452024-05-01 0:04:27158 days ago1714521867
XY Finance : USDT YBridge Vault
0.0000936 ETH
1189568192024-04-19 7:40:15170 days ago1713512415
XY Finance : USDT YBridge Vault
0.00000624 ETH
1186545022024-04-12 7:43:01177 days ago1712907781
XY Finance : USDT YBridge Vault
0.00000624 ETH
1185208912024-04-09 5:29:19180 days ago1712640559
XY Finance : USDT YBridge Vault
0.00000624 ETH
1181655642024-04-01 0:05:05188 days ago1711929905
XY Finance : USDT YBridge Vault
0.0000312 ETH
1178132482024-03-23 20:21:13197 days ago1711225273
XY Finance : USDT YBridge Vault
0.00000624 ETH
1156229302024-02-02 3:30:37247 days ago1706844637
XY Finance : USDT YBridge Vault
0.001252 ETH
1134948662023-12-14 21:15:09297 days ago1702588509
XY Finance : USDT YBridge Vault
0.0001152 ETH
1134839132023-12-14 15:10:03297 days ago1702566603
XY Finance : USDT YBridge Vault
0.0001152 ETH
1129659792023-12-02 15:25:35309 days ago1701530735
XY Finance : USDT YBridge Vault
0.00002 ETH
1125202982023-11-22 7:49:33319 days ago1700639373
XY Finance : USDT YBridge Vault
0.0075507 ETH
1115599862023-10-31 2:19:09341 days ago1698718749
XY Finance : USDT YBridge Vault
0.00001 ETH
1109034212023-10-15 21:33:39357 days ago1697405619
XY Finance : USDT YBridge Vault
0.00000002 ETH
View All Internal Transactions

Loading...
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
UUPSProxy

Compiler Version
v0.8.2+commit.661d1103

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, None license
File 1 of 7 : UUPSProxy.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.2;

import "ERC1967Proxy.sol";

contract UUPSProxy is ERC1967Proxy {
    constructor(address _logic, bytes memory _data) ERC1967Proxy(_logic, _data) payable {}
}

File 2 of 7 : ERC1967Proxy.sol
// SPDX-License-Identifier: MIT

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 initializating the storage of the proxy like a Solidity constructor.
     */
    constructor(address _logic, bytes memory _data) payable {
        assert(_IMPLEMENTATION_SLOT == bytes32(uint256(keccak256("eip1967.proxy.implementation")) - 1));
        _upgradeToAndCall(_logic, _data, false);
    }

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

File 3 of 7 : Proxy.sol
// SPDX-License-Identifier: MIT

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 internall 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 overriden 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 internall 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 overriden should call `super._beforeFallback()`.
     */
    function _beforeFallback() internal virtual {}
}

File 4 of 7 : ERC1967Upgrade.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.2;

import "IBeacon.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 _upgradeToAndCallSecure(
        address newImplementation,
        bytes memory data,
        bool forceCall
    ) internal {
        address oldImplementation = _getImplementation();

        // Initial upgrade and setup call
        _setImplementation(newImplementation);
        if (data.length > 0 || forceCall) {
            Address.functionDelegateCall(newImplementation, data);
        }

        // Perform rollback test if not already in progress
        StorageSlot.BooleanSlot storage rollbackTesting = StorageSlot.getBooleanSlot(_ROLLBACK_SLOT);
        if (!rollbackTesting.value) {
            // Trigger rollback using upgradeTo from the new implementation
            rollbackTesting.value = true;
            Address.functionDelegateCall(
                newImplementation,
                abi.encodeWithSignature("upgradeTo(address)", oldImplementation)
            );
            rollbackTesting.value = false;
            // Check rollback was effective
            require(oldImplementation == _getImplementation(), "ERC1967Upgrade: upgrade breaks further upgrades");
            // Finally reset to the new implementation and log the upgrade
            _upgradeTo(newImplementation);
        }
    }

    /**
     * @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 5 of 7 : IBeacon.sol
// SPDX-License-Identifier: MIT

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 6 of 7 : Address.sol
// SPDX-License-Identifier: MIT

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);
            }
        }
    }
}

File 7 of 7 : StorageSlot.sol
// SPDX-License-Identifier: MIT

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) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BooleanSlot` with member `value` located at `slot`.
     */
    function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Bytes32Slot` with member `value` located at `slot`.
     */
    function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) {
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `Uint256Slot` with member `value` located at `slot`.
     */
    function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) {
        assembly {
            r.slot := slot
        }
    }
}

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

Contract Security Audit

Contract ABI

[{"inputs":[{"internalType":"address","name":"_logic","type":"address"},{"internalType":"bytes","name":"_data","type":"bytes"}],"stateMutability":"payable","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":true,"internalType":"address","name":"implementation","type":"address"}],"name":"Upgraded","type":"event"},{"stateMutability":"payable","type":"fallback"},{"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)

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

-----Decoded View---------------
Arg [0] : _logic (address): 0x74A0EEA77e342323aA463098e959612d3Fe6E686
Arg [1] : _data (bytes): 0xc3a77a550000000000000000000000000132613b3a1061816f4661ad301612910e3cce0b0000000000000000000000000132613b3a1061816f4661ad301612910e3cce0b0000000000000000000000000132613b3a1061816f4661ad301612910e3cce0b0000000000000000000000000132613b3a1061816f4661ad301612910e3cce0b00000000000000000000000094b008aa00579c1307b0ef2c499ad98a8ce58e580000000000000000000000003689d3b912d4d73ffcaad3a80861e7caf2d4f0490000000000000000000000000000000000000000000000000000000000000006

-----Encoded View---------------
11 Constructor Arguments found :
Arg [0] : 00000000000000000000000074a0eea77e342323aa463098e959612d3fe6e686
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000e4
Arg [3] : c3a77a550000000000000000000000000132613b3a1061816f4661ad30161291
Arg [4] : 0e3cce0b0000000000000000000000000132613b3a1061816f4661ad30161291
Arg [5] : 0e3cce0b0000000000000000000000000132613b3a1061816f4661ad30161291
Arg [6] : 0e3cce0b0000000000000000000000000132613b3a1061816f4661ad30161291
Arg [7] : 0e3cce0b00000000000000000000000094b008aa00579c1307b0ef2c499ad98a
Arg [8] : 8ce58e580000000000000000000000003689d3b912d4d73ffcaad3a80861e7ca
Arg [9] : f2d4f04900000000000000000000000000000000000000000000000000000000
Arg [10] : 0000000600000000000000000000000000000000000000000000000000000000


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
[ 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.