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Contract

0xf7134CE138832c1456F2a91D64621eE90c2bddEa
 

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Register Identit...203121742024-07-15 13:21:1116 mins ago1721049671IN
Worldcoin: World ID Identity Manager 2
0 ETH0.003076486.95035061
Register Identit...203118722024-07-15 12:20:231 hr ago1721046023IN
Worldcoin: World ID Identity Manager 2
0 ETH0.001657135.45792249
Register Identit...203115832024-07-15 11:22:232 hrs ago1721042543IN
Worldcoin: World ID Identity Manager 2
0 ETH0.001132453.91812918
Register Identit...203112632024-07-15 10:17:473 hrs ago1721038667IN
Worldcoin: World ID Identity Manager 2
0 ETH0.001581225.34260504
Register Identit...203109642024-07-15 9:17:354 hrs ago1721035055IN
Worldcoin: World ID Identity Manager 2
0 ETH0.002013566.94734243
Register Identit...203106612024-07-15 8:16:355 hrs ago1721031395IN
Worldcoin: World ID Identity Manager 2
0 ETH0.001241594.18387321
Delete Identitie...203103572024-07-15 7:15:476 hrs ago1721027747IN
Worldcoin: World ID Identity Manager 2
0 ETH0.001098244.04467497
Register Identit...203103562024-07-15 7:15:356 hrs ago1721027735IN
Worldcoin: World ID Identity Manager 2
0 ETH0.001141523.90717271
Register Identit...203100492024-07-15 6:13:477 hrs ago1721024027IN
Worldcoin: World ID Identity Manager 2
0 ETH0.000853182.93594421
Register Identit...203097262024-07-15 5:08:478 hrs ago1721020127IN
Worldcoin: World ID Identity Manager 2
0 ETH0.000916563.06862138
Register Identit...203094242024-07-15 4:08:119 hrs ago1721016491IN
Worldcoin: World ID Identity Manager 2
0 ETH0.001011763.46317601
Register Identit...203091232024-07-15 3:07:5910 hrs ago1721012879IN
Worldcoin: World ID Identity Manager 2
0 ETH0.001724165.96486677
Register Identit...203088172024-07-15 2:06:3511 hrs ago1721009195IN
Worldcoin: World ID Identity Manager 2
0 ETH0.001383234.79733536
Register Identit...203084132024-07-15 0:45:3512 hrs ago1721004335IN
Worldcoin: World ID Identity Manager 2
0 ETH0.000848322.86642109
Register Identit...203081112024-07-14 23:44:5913 hrs ago1721000699IN
Worldcoin: World ID Identity Manager 2
0 ETH0.001170582.89166882
Register Identit...203078042024-07-14 22:43:3514 hrs ago1720997015IN
Worldcoin: World ID Identity Manager 2
0 ETH0.001322422.94946251
Register Identit...203075052024-07-14 21:43:3515 hrs ago1720993415IN
Worldcoin: World ID Identity Manager 2
0 ETH0.002581483.42556462
Delete Identitie...203072022024-07-14 20:42:3516 hrs ago1720989755IN
Worldcoin: World ID Identity Manager 2
0 ETH0.000750582.76379974
Register Identit...203072012024-07-14 20:42:2316 hrs ago1720989743IN
Worldcoin: World ID Identity Manager 2
0 ETH0.000825762.62080159
Register Identit...203069052024-07-14 19:42:5917 hrs ago1720986179IN
Worldcoin: World ID Identity Manager 2
0 ETH0.001830983.39008652
Register Identit...203066072024-07-14 18:42:4718 hrs ago1720982567IN
Worldcoin: World ID Identity Manager 2
0 ETH0.002776994.85950637
Register Identit...203063082024-07-14 17:42:3519 hrs ago1720978955IN
Worldcoin: World ID Identity Manager 2
0 ETH0.002798665.00086624
Register Identit...203060102024-07-14 16:42:3520 hrs ago1720975355IN
Worldcoin: World ID Identity Manager 2
0 ETH0.003542226.56268027
Register Identit...203057092024-07-14 15:42:2321 hrs ago1720971743IN
Worldcoin: World ID Identity Manager 2
0 ETH0.002743945.17833372
Register Identit...203054072024-07-14 14:41:5922 hrs ago1720968119IN
Worldcoin: World ID Identity Manager 2
0 ETH0.003061736.69891162
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Contract Source Code Verified (Exact Match)

Contract Name:
WorldIDIdentityManager

Compiler Version
v0.8.19+commit.7dd6d404

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 10 : WorldIDIdentityManager.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

import {WorldIDProxy} from "./abstract/WorldIDProxy.sol";

/// @title WorldID Identity Manager
/// @author Worldcoin
/// @notice An implementation of a batch-based identity manager for the WorldID protocol.
/// @dev The manager is based on the principle of verifying externally-created Zero Knowledge Proofs
///      to perform the insertions. This contract is a proxy contract that delegates actual logic to
///      the implementation.
contract WorldIDIdentityManager is WorldIDProxy {
    ///////////////////////////////////////////////////////////////////////////////
    ///                    !!!! DO NOT ADD MEMBERS HERE !!!!                    ///
    ///////////////////////////////////////////////////////////////////////////////

    ///////////////////////////////////////////////////////////////////////////////
    ///                             CONSTRUCTION                                ///
    ///////////////////////////////////////////////////////////////////////////////

    /// @notice Constructs a new instance of the WorldID identity manager.
    /// @dev This constructor is only called once, and can be called with the encoded call necessary
    ///      to initialize the logic contract.
    ///
    /// @param _logic The initial implementation (delegate) of the contract that this acts as a proxy
    ///        for.
    /// @param _data If this is non-empty, it is used as the data for a `delegatecall` to `_logic`.
    ///        This is usually an encoded function call, and allows for initialising the storage of
    ///        the proxy in a way similar to a traditional solidity constructor.
    constructor(address _logic, bytes memory _data) payable WorldIDProxy(_logic, _data) {
        // !!!! DO NOT PUT PROGRAM LOGIC HERE !!!!
        // It should go in the `initialize` function of the delegate instead.
    }
}

File 2 of 10 : IERC1967.sol
// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev ERC-1967: Proxy Storage Slots. This interface contains the events defined in the ERC.
 *
 * _Available since v4.8.3._
 */
interface IERC1967 {
    /**
     * @dev Emitted when the implementation is upgraded.
     */
    event Upgraded(address indexed implementation);

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

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

File 3 of 10 : 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 4 of 10 : 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 5 of 10 : ERC1967Upgrade.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.3) (proxy/ERC1967/ERC1967Upgrade.sol)

pragma solidity ^0.8.2;

import "../beacon/IBeacon.sol";
import "../../interfaces/IERC1967.sol";
import "../../interfaces/draft-IERC1822.sol";
import "../../utils/Address.sol";
import "../../utils/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._
 */
abstract contract ERC1967Upgrade is IERC1967 {
    // 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 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 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 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 10 : 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 7 of 10 : 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 8 of 10 : Address.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (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
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [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://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.0/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 functionCallWithValue(target, data, 0, "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");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, 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) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or 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 {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

File 9 of 10 : StorageSlot.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (utils/StorageSlot.sol)
// This file was procedurally generated from scripts/generate/templates/StorageSlot.js.

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:
 * ```solidity
 * contract ERC1967 {
 *     bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;
 *
 *     function _getImplementation() internal view returns (address) {
 *         return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value;
 *     }
 *
 *     function _setImplementation(address newImplementation) internal {
 *         require(Address.isContract(newImplementation), "ERC1967: new implementation is not a contract");
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 *
 * _Available since v4.1 for `address`, `bool`, `bytes32`, `uint256`._
 * _Available since v4.9 for `string`, `bytes`._
 */
library StorageSlot {
    struct AddressSlot {
        address value;
    }

    struct BooleanSlot {
        bool value;
    }

    struct Bytes32Slot {
        bytes32 value;
    }

    struct Uint256Slot {
        uint256 value;
    }

    struct StringSlot {
        string value;
    }

    struct BytesSlot {
        bytes value;
    }

    /**
     * @dev Returns an `AddressSlot` with member `value` located at `slot`.
     */
    function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

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

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

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

    /**
     * @dev Returns an `StringSlot` with member `value` located at `slot`.
     */
    function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `StringSlot` representation of the string storage pointer `store`.
     */
    function getStringSlot(string storage store) internal pure returns (StringSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` with member `value` located at `slot`.
     */
    function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := slot
        }
    }

    /**
     * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`.
     */
    function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) {
        /// @solidity memory-safe-assembly
        assembly {
            r.slot := store.slot
        }
    }
}

File 10 of 10 : WorldIDProxy.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.19;

import {ERC1967Proxy} from "openzeppelin-contracts/proxy/ERC1967/ERC1967Proxy.sol";

/// @title WorldID Proxy
/// @author Worldcoin
/// @notice A base class for WorldID proxy classes.
/// @dev Any contract extending this must ensure to delegate to this contract's constructor.
abstract contract WorldIDProxy is ERC1967Proxy {
    ///////////////////////////////////////////////////////////////////////////////
    ///                             CONSTRUCTION                                ///
    ///////////////////////////////////////////////////////////////////////////////

    /// @notice Constructs a new instance of the WorldID proxy contract.
    /// @dev This constructor is only called once, and can be called with the encoded call necessary
    ///      to initialize the logic contract.
    ///
    /// @param _logic The initial implementation (delegate) of the contract that this acts as a proxy
    ///        for.
    /// @param _data If this is non-empty, it is used as the data for a `delegatecall` to `_logic`.
    ///        This is usually an encoded function call, and allows for initialising the storage of
    ///        the proxy in a way similar to a traditional solidity constructor.
    constructor(address _logic, bytes memory _data) payable ERC1967Proxy(_logic, _data) {
        // !!!! DO NOT PUT PROGRAM LOGIC HERE !!!!
        // It should go in the `initialize` function of the delegate instead.
    }
}

Settings
{
  "remappings": [
    "@zk-kit/=lib/zk-kit/packages/",
    "contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "ds-test/=lib/ds-test/src/",
    "forge-std/=lib/forge-std/src/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/",
    "openzeppelin/=lib/openzeppelin-contracts/contracts/",
    "semaphore/=lib/semaphore/packages/contracts/contracts/",
    "solmate/=lib/solmate/src/",
    "zk-kit/=lib/zk-kit/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200,
    "details": {
      "peephole": true,
      "inliner": true,
      "deduplicate": true,
      "cse": true,
      "yul": true
    }
  },
  "metadata": {
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "london",
  "libraries": {}
}

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

0x608060405236601057600e6013565b005b600e5b601f601b6021565b6058565b565b600060537f360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc546001600160a01b031690565b905090565b3660008037600080366000845af43d6000803e8080156076573d6000f35b3d6000fdfea26469706673582212207c848abb9490a748e3b011e456a9c20179d7dc8c00ef4c5f40bfcee25fb1d0ac64736f6c63430008130033

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): 0xa3cD15EBed6075E33a54483C59818bC43D57c556
Arg [1] : _data (bytes): 0xf2ebe631000000000000000000000000000000000000000000000000000000000000001e0918d46bf52d98b034413f4a1a1c41594e7a7a3f6ae08cb43d1a2a230e1959ef0000000000000000000000004055b6d4018e92e4d000865e61e87b57a4e5ab4900000000000000000000000017b354dd2595411ff79041f930e491a4df39a278000000000000000000000000cdbbcd1cb0b642f8e324ab29c73a967b0c80bad500000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000

-----Encoded View---------------
11 Constructor Arguments found :
Arg [0] : 000000000000000000000000a3cd15ebed6075e33a54483c59818bc43d57c556
Arg [1] : 0000000000000000000000000000000000000000000000000000000000000040
Arg [2] : 00000000000000000000000000000000000000000000000000000000000000e4
Arg [3] : f2ebe63100000000000000000000000000000000000000000000000000000000
Arg [4] : 0000001e0918d46bf52d98b034413f4a1a1c41594e7a7a3f6ae08cb43d1a2a23
Arg [5] : 0e1959ef0000000000000000000000004055b6d4018e92e4d000865e61e87b57
Arg [6] : a4e5ab4900000000000000000000000017b354dd2595411ff79041f930e491a4
Arg [7] : df39a278000000000000000000000000cdbbcd1cb0b642f8e324ab29c73a967b
Arg [8] : 0c80bad500000000000000000000000000000000000000000000000000000000
Arg [9] : 0000000000000000000000000000000000000000000000000000000000000000
Arg [10] : 0000000000000000000000000000000000000000000000000000000000000000


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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.