POL Price: $0.300812 (-6.81%)
Gas: 30 GWei
 

Overview

POL Balance

Polygon PoS Chain LogoPolygon PoS Chain LogoPolygon PoS Chain Logo88.394 POL

POL Value

$26.59 (@ $0.30/POL)

Token Holdings

Multichain Info

No addresses found
Transaction Hash
Method
Block
From
To
0x131ea36a680679492025-02-18 8:52:524 mins ago1739868772IN
XY Finance : YBridge
0 POL0.0123541325.00001087
0x131ea36a680679332025-02-18 8:52:184 mins ago1739868738IN
XY Finance : YBridge
0 POL0.0099852325.00001288
0x131ea36a680671042025-02-18 8:22:5734 mins ago1739866977IN
XY Finance : YBridge
0 POL0.0099856925.00999771
0x131ea36a680667222025-02-18 8:09:2547 mins ago1739866165IN
XY Finance : YBridge
0 POL0.0176695825.0100296
0x131ea36a680665992025-02-18 8:05:0352 mins ago1739865903IN
XY Finance : YBridge
0 POL0.0105057325.34611487
0x131ea36a680665092025-02-18 8:01:5155 mins ago1739865711IN
XY Finance : YBridge
0 POL0.0046745325.34612201
0x131ea36a680663992025-02-18 7:57:571 hrs ago1739865477IN
XY Finance : YBridge
0 POL0.0109193125.34613946
0x131ea36a680659742025-02-18 7:42:551 hr ago1739864575IN
XY Finance : YBridge
0 POL0.0116568326.13031046
0x131ea36a680659342025-02-18 7:41:281 hr ago1739864488IN
XY Finance : YBridge
0 POL0.0158625126.130411
0x131ea36a680658982025-02-18 7:40:121 hr ago1739864412IN
XY Finance : YBridge
0 POL0.0255516826.1304703
0x131ea36a680623722025-02-18 5:33:113 hrs ago1739856791IN
XY Finance : YBridge
0 POL0.0110993325.01000001
0x131ea36a680600372025-02-18 4:08:444 hrs ago1739851724IN
XY Finance : YBridge
0 POL0.0100047725.05002505
0x131ea36a680591962025-02-18 3:38:245 hrs ago1739849904IN
XY Finance : YBridge
0 POL0.0142819526.00000022
0x131ea36a680588452025-02-18 3:25:265 hrs ago1739849126IN
XY Finance : YBridge
0 POL0.0109826.00000011
0x131ea36a680585102025-02-18 3:13:345 hrs ago1739848414IN
XY Finance : YBridge
0 POL0.0228765626.00000016
0x131ea36a680579252025-02-18 2:52:526 hrs ago1739847172IN
XY Finance : YBridge
0 POL0.0047961626.00000028
0x131ea36a680578032025-02-18 2:48:326 hrs ago1739846912IN
XY Finance : YBridge
0 POL0.0103415226.00000031
0x131ea36a680560432025-02-18 1:46:127 hrs ago1739843172IN
XY Finance : YBridge
0 POL0.0046360925.87224005
0x131ea36a680556842025-02-18 1:33:307 hrs ago1739842410IN
XY Finance : YBridge
0 POL0.0043295625.87224005
0x131ea36a680552132025-02-18 1:16:487 hrs ago1739841408IN
XY Finance : YBridge
0 POL0.0096897725.87224006
0x131ea36a680542732025-02-18 0:43:318 hrs ago1739839411IN
XY Finance : YBridge
0 POL0.0105033125.77412402
0x131ea36a680542542025-02-18 0:42:498 hrs ago1739839369IN
XY Finance : YBridge
0 POL0.0123597725.77412402
0x131ea36a680542312025-02-18 0:42:018 hrs ago1739839321IN
XY Finance : YBridge
0 POL0.0164673125.77412403
0x131ea36a680542242025-02-18 0:41:478 hrs ago1739839307IN
XY Finance : YBridge
0 POL0.0123329625.77412403
0x131ea36a680534252025-02-18 0:13:288 hrs ago1739837608IN
XY Finance : YBridge
0 POL0.0126402525.95032995
View all transactions

Latest 25 internal transactions (View All)

Parent Transaction Hash Block From To
678203522025-02-12 3:24:356 days ago1739330675
XY Finance : YBridge
0.35 POL
678203522025-02-12 3:24:356 days ago1739330675
XY Finance : YBridge
0.35 POL
678004022025-02-11 14:45:376 days ago1739285137
XY Finance : YBridge
0.35 POL
678004022025-02-11 14:45:376 days ago1739285137
XY Finance : YBridge
0.35 POL
677473112025-02-10 4:46:458 days ago1739162805
XY Finance : YBridge
0.35 POL
677473112025-02-10 4:46:458 days ago1739162805
XY Finance : YBridge
0.35 POL
677167442025-02-09 9:32:018 days ago1739093521
XY Finance : YBridge
0.35 POL
677167442025-02-09 9:32:018 days ago1739093521
XY Finance : YBridge
0.35 POL
675720362025-02-05 15:26:1712 days ago1738769177
XY Finance : YBridge
0.35 POL
675720362025-02-05 15:26:1712 days ago1738769177
XY Finance : YBridge
0.35 POL
675515472025-02-05 2:52:4313 days ago1738723963
XY Finance : YBridge
0.35 POL
675515472025-02-05 2:52:4313 days ago1738723963
XY Finance : YBridge
0.35 POL
674970682025-02-03 17:57:4414 days ago1738605464
XY Finance : YBridge
0.35 POL
674970682025-02-03 17:57:4414 days ago1738605464
XY Finance : YBridge
0.35 POL
674749562025-02-03 4:26:0515 days ago1738556765
XY Finance : YBridge
0.35 POL
674749562025-02-03 4:26:0515 days ago1738556765
XY Finance : YBridge
0.35 POL
674367742025-02-02 5:41:3216 days ago1738474892
XY Finance : YBridge
0.35 POL
674367742025-02-02 5:41:3216 days ago1738474892
XY Finance : YBridge
0.35 POL
673871212025-01-31 23:59:3717 days ago1738367977
XY Finance : YBridge
0.35 POL
673871212025-01-31 23:59:3717 days ago1738367977
XY Finance : YBridge
0.35 POL
672097262025-01-27 13:51:5921 days ago1737985919
XY Finance : YBridge
0.35 POL
672097262025-01-27 13:51:5921 days ago1737985919
XY Finance : YBridge
0.35 POL
671863002025-01-26 23:54:5822 days ago1737935698
XY Finance : YBridge
0.35 POL
671863002025-01-26 23:54:5822 days ago1737935698
XY Finance : YBridge
0.35 POL
671182752025-01-25 7:13:0324 days ago1737789183
XY Finance : YBridge
0.35 POL
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): 0xF13e0b5c256Fa5404b8bb545E72EEdd271f5E8C7
Arg [1] : _data (bytes): 0x8c5178cf0000000000000000000000000132613b3a1061816f4661ad301612910e3cce0b0000000000000000000000000132613b3a1061816f4661ad301612910e3cce0b0000000000000000000000000132613b3a1061816f4661ad301612910e3cce0b000000000000000000000000b35f9aac007666cacd0520b68d59d682262db7da0000000000000000000000001b0789910027c3cc58af2391de7228d973c5c46e0000000000000000000000000000000000000000000000000000000000000089

-----Encoded View---------------
10 Constructor Arguments found :
Arg [0] : 000000000000000000000000f13e0b5c256fa5404b8bb545e72eedd271f5e8c7
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000c4
Arg [3] : 8c5178cf0000000000000000000000000132613b3a1061816f4661ad30161291
Arg [4] : 0e3cce0b0000000000000000000000000132613b3a1061816f4661ad30161291
Arg [5] : 0e3cce0b0000000000000000000000000132613b3a1061816f4661ad30161291
Arg [6] : 0e3cce0b000000000000000000000000b35f9aac007666cacd0520b68d59d682
Arg [7] : 262db7da0000000000000000000000001b0789910027c3cc58af2391de7228d9
Arg [8] : 73c5c46e00000000000000000000000000000000000000000000000000000000
Arg [9] : 0000008900000000000000000000000000000000000000000000000000000000


Block Transaction 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.