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0x890CA3f95E0f40a79885B7400926544B2214B03f

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Transfer Ownersh...25590352024-10-18 15:36:4845 days ago1729265808IN
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0 ETH0.000000120.00162443
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Contract Source Code Verified (Exact Match)

Contract Name:
DelegatorFactory

Compiler Version
v0.8.25+commit.b61c2a91

Optimization Enabled:
Yes with 200 runs

Other Settings:
paris EvmVersion
File 1 of 11 : DelegatorFactory.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.25;

import {Factory} from "./common/Factory.sol";

import {IDelegatorFactory} from "../interfaces/IDelegatorFactory.sol";

contract DelegatorFactory is Factory, IDelegatorFactory {
    constructor(
        address owner_
    ) Factory(owner_) {}
}

File 2 of 11 : Factory.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.25;

import {Registry} from "./Registry.sol";

import {IEntity} from "../../interfaces/common/IEntity.sol";
import {IFactory} from "../../interfaces/common/IFactory.sol";

import {Clones} from "@openzeppelin/contracts/proxy/Clones.sol";
import {EnumerableSet} from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";
import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";

contract Factory is Registry, Ownable, IFactory {
    using EnumerableSet for EnumerableSet.AddressSet;
    using Clones for address;

    /**
     * @inheritdoc IFactory
     */
    mapping(uint64 type_ => bool value) public blacklisted;

    EnumerableSet.AddressSet private _whitelistedImplementations;

    modifier checkType(
        uint64 type_
    ) {
        if (type_ >= totalTypes()) {
            revert InvalidType();
        }
        _;
    }

    constructor(
        address owner_
    ) Ownable(owner_) {}

    /**
     * @inheritdoc IFactory
     */
    function totalTypes() public view returns (uint64) {
        return uint64(_whitelistedImplementations.length());
    }

    /**
     * @inheritdoc IFactory
     */
    function implementation(
        uint64 type_
    ) public view returns (address) {
        return _whitelistedImplementations.at(type_);
    }

    /**
     * @inheritdoc IFactory
     */
    function whitelist(
        address implementation_
    ) external onlyOwner {
        if (IEntity(implementation_).FACTORY() != address(this) || IEntity(implementation_).TYPE() != totalTypes()) {
            revert InvalidImplementation();
        }
        if (!_whitelistedImplementations.add(implementation_)) {
            revert AlreadyWhitelisted();
        }

        emit Whitelist(implementation_);
    }

    /**
     * @inheritdoc IFactory
     */
    function blacklist(
        uint64 type_
    ) external onlyOwner checkType(type_) {
        if (blacklisted[type_]) {
            revert AlreadyBlacklisted();
        }

        blacklisted[type_] = true;

        emit Blacklist(type_);
    }

    /**
     * @inheritdoc IFactory
     */
    function create(uint64 type_, bytes calldata data) external returns (address entity_) {
        entity_ = implementation(type_).cloneDeterministic(keccak256(abi.encode(totalEntities(), type_, data)));

        _addEntity(entity_);

        IEntity(entity_).initialize(data);
    }
}

File 3 of 11 : IDelegatorFactory.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {IFactory} from "./common/IFactory.sol";

interface IDelegatorFactory is IFactory {}

File 4 of 11 : Registry.sol
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.25;

import {IRegistry} from "../../interfaces/common/IRegistry.sol";

import {EnumerableSet} from "@openzeppelin/contracts/utils/structs/EnumerableSet.sol";

abstract contract Registry is IRegistry {
    using EnumerableSet for EnumerableSet.AddressSet;

    EnumerableSet.AddressSet private _entities;

    modifier checkEntity(
        address account
    ) {
        _checkEntity(account);
        _;
    }

    /**
     * @inheritdoc IRegistry
     */
    function isEntity(
        address entity_
    ) public view returns (bool) {
        return _entities.contains(entity_);
    }

    /**
     * @inheritdoc IRegistry
     */
    function totalEntities() public view returns (uint256) {
        return _entities.length();
    }

    /**
     * @inheritdoc IRegistry
     */
    function entity(
        uint256 index
    ) public view returns (address) {
        return _entities.at(index);
    }

    function _addEntity(
        address entity_
    ) internal {
        _entities.add(entity_);

        emit AddEntity(entity_);
    }

    function _checkEntity(
        address account
    ) internal view {
        if (!isEntity(account)) {
            revert EntityNotExist();
        }
    }
}

File 5 of 11 : IEntity.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IEntity {
    error NotInitialized();

    /**
     * @notice Get the factory's address.
     * @return address of the factory
     */
    function FACTORY() external view returns (address);

    /**
     * @notice Get the entity's type.
     * @return type of the entity
     */
    function TYPE() external view returns (uint64);

    /**
     * @notice Initialize this entity contract by using a given data.
     * @param data some data to use
     */
    function initialize(
        bytes calldata data
    ) external;
}

File 6 of 11 : IFactory.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

import {IRegistry} from "./IRegistry.sol";

interface IFactory is IRegistry {
    error AlreadyBlacklisted();
    error AlreadyWhitelisted();
    error InvalidImplementation();
    error InvalidType();

    /**
     * @notice Emitted when a new type is whitelisted.
     * @param implementation address of the new implementation
     */
    event Whitelist(address indexed implementation);

    /**
     * @notice Emitted when a type is blacklisted (e.g., in case of invalid implementation).
     * @param type_ type that was blacklisted
     * @dev The given type is still deployable.
     */
    event Blacklist(uint64 indexed type_);

    /**
     * @notice Get the total number of whitelisted types.
     * @return total number of types
     */
    function totalTypes() external view returns (uint64);

    /**
     * @notice Get the implementation for a given type.
     * @param type_ position to get the implementation at
     * @return address of the implementation
     */
    function implementation(
        uint64 type_
    ) external view returns (address);

    /**
     * @notice Get if a type is blacklisted (e.g., in case of invalid implementation).
     * @param type_ type to check
     * @return whether the type is blacklisted
     * @dev The given type is still deployable.
     */
    function blacklisted(
        uint64 type_
    ) external view returns (bool);

    /**
     * @notice Whitelist a new type of entity.
     * @param implementation address of the new implementation
     */
    function whitelist(
        address implementation
    ) external;

    /**
     * @notice Blacklist a type of entity.
     * @param type_ type to blacklist
     * @dev The given type will still be deployable.
     */
    function blacklist(
        uint64 type_
    ) external;

    /**
     * @notice Create a new entity at the factory.
     * @param type_ type's implementation to use
     * @param data initial data for the entity creation
     * @return address of the entity
     * @dev CREATE2 salt is constructed from the given parameters.
     */
    function create(uint64 type_, bytes calldata data) external returns (address);
}

File 7 of 11 : Clones.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/Clones.sol)

pragma solidity ^0.8.20;

/**
 * @dev https://eips.ethereum.org/EIPS/eip-1167[EIP 1167] is a standard for
 * deploying minimal proxy contracts, also known as "clones".
 *
 * > To simply and cheaply clone contract functionality in an immutable way, this standard specifies
 * > a minimal bytecode implementation that delegates all calls to a known, fixed address.
 *
 * The library includes functions to deploy a proxy using either `create` (traditional deployment) or `create2`
 * (salted deterministic deployment). It also includes functions to predict the addresses of clones deployed using the
 * deterministic method.
 */
library Clones {
    /**
     * @dev A clone instance deployment failed.
     */
    error ERC1167FailedCreateClone();

    /**
     * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.
     *
     * This function uses the create opcode, which should never revert.
     */
    function clone(address implementation) internal returns (address instance) {
        /// @solidity memory-safe-assembly
        assembly {
            // Cleans the upper 96 bits of the `implementation` word, then packs the first 3 bytes
            // of the `implementation` address with the bytecode before the address.
            mstore(0x00, or(shr(0xe8, shl(0x60, implementation)), 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000))
            // Packs the remaining 17 bytes of `implementation` with the bytecode after the address.
            mstore(0x20, or(shl(0x78, implementation), 0x5af43d82803e903d91602b57fd5bf3))
            instance := create(0, 0x09, 0x37)
        }
        if (instance == address(0)) {
            revert ERC1167FailedCreateClone();
        }
    }

    /**
     * @dev Deploys and returns the address of a clone that mimics the behaviour of `implementation`.
     *
     * This function uses the create2 opcode and a `salt` to deterministically deploy
     * the clone. Using the same `implementation` and `salt` multiple time will revert, since
     * the clones cannot be deployed twice at the same address.
     */
    function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) {
        /// @solidity memory-safe-assembly
        assembly {
            // Cleans the upper 96 bits of the `implementation` word, then packs the first 3 bytes
            // of the `implementation` address with the bytecode before the address.
            mstore(0x00, or(shr(0xe8, shl(0x60, implementation)), 0x3d602d80600a3d3981f3363d3d373d3d3d363d73000000))
            // Packs the remaining 17 bytes of `implementation` with the bytecode after the address.
            mstore(0x20, or(shl(0x78, implementation), 0x5af43d82803e903d91602b57fd5bf3))
            instance := create2(0, 0x09, 0x37, salt)
        }
        if (instance == address(0)) {
            revert ERC1167FailedCreateClone();
        }
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
     */
    function predictDeterministicAddress(
        address implementation,
        bytes32 salt,
        address deployer
    ) internal pure returns (address predicted) {
        /// @solidity memory-safe-assembly
        assembly {
            let ptr := mload(0x40)
            mstore(add(ptr, 0x38), deployer)
            mstore(add(ptr, 0x24), 0x5af43d82803e903d91602b57fd5bf3ff)
            mstore(add(ptr, 0x14), implementation)
            mstore(ptr, 0x3d602d80600a3d3981f3363d3d373d3d3d363d73)
            mstore(add(ptr, 0x58), salt)
            mstore(add(ptr, 0x78), keccak256(add(ptr, 0x0c), 0x37))
            predicted := keccak256(add(ptr, 0x43), 0x55)
        }
    }

    /**
     * @dev Computes the address of a clone deployed using {Clones-cloneDeterministic}.
     */
    function predictDeterministicAddress(
        address implementation,
        bytes32 salt
    ) internal view returns (address predicted) {
        return predictDeterministicAddress(implementation, salt, address(this));
    }
}

File 8 of 11 : EnumerableSet.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/structs/EnumerableSet.sol)
// This file was procedurally generated from scripts/generate/templates/EnumerableSet.js.

pragma solidity ^0.8.20;

/**
 * @dev Library for managing
 * https://en.wikipedia.org/wiki/Set_(abstract_data_type)[sets] of primitive
 * types.
 *
 * Sets have the following properties:
 *
 * - Elements are added, removed, and checked for existence in constant time
 * (O(1)).
 * - Elements are enumerated in O(n). No guarantees are made on the ordering.
 *
 * ```solidity
 * contract Example {
 *     // Add the library methods
 *     using EnumerableSet for EnumerableSet.AddressSet;
 *
 *     // Declare a set state variable
 *     EnumerableSet.AddressSet private mySet;
 * }
 * ```
 *
 * As of v3.3.0, sets of type `bytes32` (`Bytes32Set`), `address` (`AddressSet`)
 * and `uint256` (`UintSet`) are supported.
 *
 * [WARNING]
 * ====
 * Trying to delete such a structure from storage will likely result in data corruption, rendering the structure
 * unusable.
 * See https://github.com/ethereum/solidity/pull/11843[ethereum/solidity#11843] for more info.
 *
 * In order to clean an EnumerableSet, you can either remove all elements one by one or create a fresh instance using an
 * array of EnumerableSet.
 * ====
 */
library EnumerableSet {
    // To implement this library for multiple types with as little code
    // repetition as possible, we write it in terms of a generic Set type with
    // bytes32 values.
    // The Set implementation uses private functions, and user-facing
    // implementations (such as AddressSet) are just wrappers around the
    // underlying Set.
    // This means that we can only create new EnumerableSets for types that fit
    // in bytes32.

    struct Set {
        // Storage of set values
        bytes32[] _values;
        // Position is the index of the value in the `values` array plus 1.
        // Position 0 is used to mean a value is not in the set.
        mapping(bytes32 value => uint256) _positions;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function _add(Set storage set, bytes32 value) private returns (bool) {
        if (!_contains(set, value)) {
            set._values.push(value);
            // The value is stored at length-1, but we add 1 to all indexes
            // and use 0 as a sentinel value
            set._positions[value] = set._values.length;
            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function _remove(Set storage set, bytes32 value) private returns (bool) {
        // We cache the value's position to prevent multiple reads from the same storage slot
        uint256 position = set._positions[value];

        if (position != 0) {
            // Equivalent to contains(set, value)
            // To delete an element from the _values array in O(1), we swap the element to delete with the last one in
            // the array, and then remove the last element (sometimes called as 'swap and pop').
            // This modifies the order of the array, as noted in {at}.

            uint256 valueIndex = position - 1;
            uint256 lastIndex = set._values.length - 1;

            if (valueIndex != lastIndex) {
                bytes32 lastValue = set._values[lastIndex];

                // Move the lastValue to the index where the value to delete is
                set._values[valueIndex] = lastValue;
                // Update the tracked position of the lastValue (that was just moved)
                set._positions[lastValue] = position;
            }

            // Delete the slot where the moved value was stored
            set._values.pop();

            // Delete the tracked position for the deleted slot
            delete set._positions[value];

            return true;
        } else {
            return false;
        }
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function _contains(Set storage set, bytes32 value) private view returns (bool) {
        return set._positions[value] != 0;
    }

    /**
     * @dev Returns the number of values on the set. O(1).
     */
    function _length(Set storage set) private view returns (uint256) {
        return set._values.length;
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function _at(Set storage set, uint256 index) private view returns (bytes32) {
        return set._values[index];
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function _values(Set storage set) private view returns (bytes32[] memory) {
        return set._values;
    }

    // Bytes32Set

    struct Bytes32Set {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _add(set._inner, value);
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(Bytes32Set storage set, bytes32 value) internal returns (bool) {
        return _remove(set._inner, value);
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(Bytes32Set storage set, bytes32 value) internal view returns (bool) {
        return _contains(set._inner, value);
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(Bytes32Set storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(Bytes32Set storage set, uint256 index) internal view returns (bytes32) {
        return _at(set._inner, index);
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(Bytes32Set storage set) internal view returns (bytes32[] memory) {
        bytes32[] memory store = _values(set._inner);
        bytes32[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // AddressSet

    struct AddressSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(AddressSet storage set, address value) internal returns (bool) {
        return _add(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(AddressSet storage set, address value) internal returns (bool) {
        return _remove(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(AddressSet storage set, address value) internal view returns (bool) {
        return _contains(set._inner, bytes32(uint256(uint160(value))));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(AddressSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(AddressSet storage set, uint256 index) internal view returns (address) {
        return address(uint160(uint256(_at(set._inner, index))));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(AddressSet storage set) internal view returns (address[] memory) {
        bytes32[] memory store = _values(set._inner);
        address[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }

    // UintSet

    struct UintSet {
        Set _inner;
    }

    /**
     * @dev Add a value to a set. O(1).
     *
     * Returns true if the value was added to the set, that is if it was not
     * already present.
     */
    function add(UintSet storage set, uint256 value) internal returns (bool) {
        return _add(set._inner, bytes32(value));
    }

    /**
     * @dev Removes a value from a set. O(1).
     *
     * Returns true if the value was removed from the set, that is if it was
     * present.
     */
    function remove(UintSet storage set, uint256 value) internal returns (bool) {
        return _remove(set._inner, bytes32(value));
    }

    /**
     * @dev Returns true if the value is in the set. O(1).
     */
    function contains(UintSet storage set, uint256 value) internal view returns (bool) {
        return _contains(set._inner, bytes32(value));
    }

    /**
     * @dev Returns the number of values in the set. O(1).
     */
    function length(UintSet storage set) internal view returns (uint256) {
        return _length(set._inner);
    }

    /**
     * @dev Returns the value stored at position `index` in the set. O(1).
     *
     * Note that there are no guarantees on the ordering of values inside the
     * array, and it may change when more values are added or removed.
     *
     * Requirements:
     *
     * - `index` must be strictly less than {length}.
     */
    function at(UintSet storage set, uint256 index) internal view returns (uint256) {
        return uint256(_at(set._inner, index));
    }

    /**
     * @dev Return the entire set in an array
     *
     * WARNING: This operation will copy the entire storage to memory, which can be quite expensive. This is designed
     * to mostly be used by view accessors that are queried without any gas fees. Developers should keep in mind that
     * this function has an unbounded cost, and using it as part of a state-changing function may render the function
     * uncallable if the set grows to a point where copying to memory consumes too much gas to fit in a block.
     */
    function values(UintSet storage set) internal view returns (uint256[] memory) {
        bytes32[] memory store = _values(set._inner);
        uint256[] memory result;

        /// @solidity memory-safe-assembly
        assembly {
            result := store
        }

        return result;
    }
}

File 9 of 11 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../utils/Context.sol";

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is set to the address provided by the deployer. This can
 * later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
abstract contract Ownable is Context {
    address private _owner;

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view virtual returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby disabling any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _transferOwnership(address(0));
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

File 10 of 11 : IRegistry.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

interface IRegistry {
    error EntityNotExist();

    /**
     * @notice Emitted when an entity is added.
     * @param entity address of the added entity
     */
    event AddEntity(address indexed entity);

    /**
     * @notice Get if a given address is an entity.
     * @param account address to check
     * @return if the given address is an entity
     */
    function isEntity(
        address account
    ) external view returns (bool);

    /**
     * @notice Get a total number of entities.
     * @return total number of entities added
     */
    function totalEntities() external view returns (uint256);

    /**
     * @notice Get an entity given its index.
     * @param index index of the entity to get
     * @return address of the entity
     */
    function entity(
        uint256 index
    ) external view returns (address);
}

File 11 of 11 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

Settings
{
  "remappings": [
    "forge-std/=lib/forge-std/src/",
    "@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
    "@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
    "openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/",
    "openzeppelin-contracts/=lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "paris",
  "viaIR": true,
  "libraries": {}
}

Contract ABI

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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)

000000000000000000000000e8616decea16b5216e805b0b8caf7784de7570e7

-----Decoded View---------------
Arg [0] : owner_ (address): 0xe8616DEcea16b5216e805B0b8caf7784de7570E7

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000e8616decea16b5216e805b0b8caf7784de7570e7


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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.