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// SPDX-License-Identifier: BUSL-1.1

pragma solidity =0.8.22;

import {Ownable2Step, Ownable} from '@openzeppelin/contracts/access/Ownable2Step.sol';
import {IVaultsRegistry} from '../interfaces/IVaultsRegistry.sol';
import {Errors} from '../libraries/Errors.sol';

/**
 * @title VaultsRegistry
 * @author StakeWise
 * @notice Defines the registry functionality that keeps track of Vaults, Factories and Vault upgrades
 */
contract VaultsRegistry is Ownable2Step, IVaultsRegistry {
  /// @inheritdoc IVaultsRegistry
  mapping(address => bool) public override vaults;

  /// @inheritdoc IVaultsRegistry
  mapping(address => bool) public override factories;

  /// @inheritdoc IVaultsRegistry
  mapping(address => bool) public override vaultImpls;

  bool private _initialized;

  /**
   * @dev Constructor
   */
  constructor() Ownable(msg.sender) {}

  /// @inheritdoc IVaultsRegistry
  function addVault(address vault) external override {
    if (!factories[msg.sender] && msg.sender != owner()) revert Errors.AccessDenied();

    vaults[vault] = true;
    emit VaultAdded(msg.sender, vault);
  }

  /// @inheritdoc IVaultsRegistry
  function addVaultImpl(address newImpl) external override onlyOwner {
    if (vaultImpls[newImpl]) revert Errors.AlreadyAdded();
    vaultImpls[newImpl] = true;
    emit VaultImplAdded(newImpl);
  }

  /// @inheritdoc IVaultsRegistry
  function removeVaultImpl(address impl) external override onlyOwner {
    if (!vaultImpls[impl]) revert Errors.AlreadyRemoved();
    vaultImpls[impl] = false;
    emit VaultImplRemoved(impl);
  }

  /// @inheritdoc IVaultsRegistry
  function addFactory(address factory) external override onlyOwner {
    if (factories[factory]) revert Errors.AlreadyAdded();
    factories[factory] = true;
    emit FactoryAdded(factory);
  }

  /// @inheritdoc IVaultsRegistry
  function removeFactory(address factory) external override onlyOwner {
    if (!factories[factory]) revert Errors.AlreadyRemoved();
    factories[factory] = false;
    emit FactoryRemoved(factory);
  }

  /// @inheritdoc IVaultsRegistry
  function initialize(address _owner) external override onlyOwner {
    if (_owner == address(0)) revert Errors.ZeroAddress();
    if (_initialized) revert Errors.AccessDenied();

    // transfer ownership
    _transferOwnership(_owner);
    _initialized = true;
  }
}

// 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);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable2Step.sol)

pragma solidity ^0.8.20;

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

/**
 * @dev Contract module which provides access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * The initial owner is specified at deployment time in the constructor for `Ownable`. This
 * can later be changed with {transferOwnership} and {acceptOwnership}.
 *
 * This module is used through inheritance. It will make available all functions
 * from parent (Ownable).
 */
abstract contract Ownable2Step is Ownable {
    address private _pendingOwner;

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

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

    /**
     * @dev Starts the ownership transfer of the contract to a new account. Replaces the pending transfer if there is one.
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual override onlyOwner {
        _pendingOwner = newOwner;
        emit OwnershipTransferStarted(owner(), newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`) and deletes any pending owner.
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual override {
        delete _pendingOwner;
        super._transferOwnership(newOwner);
    }

    /**
     * @dev The new owner accepts the ownership transfer.
     */
    function acceptOwnership() public virtual {
        address sender = _msgSender();
        if (pendingOwner() != sender) {
            revert OwnableUnauthorizedAccount(sender);
        }
        _transferOwnership(sender);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (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;
    }
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity =0.8.22;

/**
 * @title IVaultsRegistry
 * @author StakeWise
 * @notice Defines the interface for the VaultsRegistry
 */
interface IVaultsRegistry {
  /**
   * @notice Event emitted on a Vault addition
   * @param caller The address that has added the Vault
   * @param vault The address of the added Vault
   */
  event VaultAdded(address indexed caller, address indexed vault);

  /**
   * @notice Event emitted on adding Vault implementation contract
   * @param impl The address of the new implementation contract
   */
  event VaultImplAdded(address indexed impl);

  /**
   * @notice Event emitted on removing Vault implementation contract
   * @param impl The address of the removed implementation contract
   */
  event VaultImplRemoved(address indexed impl);

  /**
   * @notice Event emitted on whitelisting the factory
   * @param factory The address of the whitelisted factory
   */
  event FactoryAdded(address indexed factory);

  /**
   * @notice Event emitted on removing the factory from the whitelist
   * @param factory The address of the factory removed from the whitelist
   */
  event FactoryRemoved(address indexed factory);

  /**
   * @notice Registered Vaults
   * @param vault The address of the vault to check whether it is registered
   * @return `true` for the registered Vault, `false` otherwise
   */
  function vaults(address vault) external view returns (bool);

  /**
   * @notice Registered Vault implementations
   * @param impl The address of the vault implementation
   * @return `true` for the registered implementation, `false` otherwise
   */
  function vaultImpls(address impl) external view returns (bool);

  /**
   * @notice Registered Factories
   * @param factory The address of the factory to check whether it is whitelisted
   * @return `true` for the whitelisted Factory, `false` otherwise
   */
  function factories(address factory) external view returns (bool);

  /**
   * @notice Function for adding Vault to the registry. Can only be called by the whitelisted Factory.
   * @param vault The address of the Vault to add
   */
  function addVault(address vault) external;

  /**
   * @notice Function for adding Vault implementation contract
   * @param newImpl The address of the new implementation contract
   */
  function addVaultImpl(address newImpl) external;

  /**
   * @notice Function for removing Vault implementation contract
   * @param impl The address of the removed implementation contract
   */
  function removeVaultImpl(address impl) external;

  /**
   * @notice Function for adding the factory to the whitelist
   * @param factory The address of the factory to add to the whitelist
   */
  function addFactory(address factory) external;

  /**
   * @notice Function for removing the factory from the whitelist
   * @param factory The address of the factory to remove from the whitelist
   */
  function removeFactory(address factory) external;

  /**
   * @notice Function for initializing the registry. Can only be called once during the deployment.
   * @param _owner The address of the owner of the contract
   */
  function initialize(address _owner) external;
}

// SPDX-License-Identifier: BUSL-1.1

pragma solidity =0.8.22;

/**
 * @title Errors
 * @author StakeWise
 * @notice Contains all the custom errors
 */
library Errors {
  error AccessDenied();
  error InvalidShares();
  error InvalidAssets();
  error ZeroAddress();
  error InsufficientAssets();
  error CapacityExceeded();
  error InvalidCapacity();
  error InvalidSecurityDeposit();
  error InvalidFeeRecipient();
  error InvalidFeePercent();
  error NotHarvested();
  error NotCollateralized();
  error Collateralized();
  error InvalidProof();
  error LowLtv();
  error RedemptionExceeded();
  error InvalidPosition();
  error InvalidLtv();
  error InvalidHealthFactor();
  error InvalidReceivedAssets();
  error InvalidTokenMeta();
  error UpgradeFailed();
  error InvalidValidator();
  error InvalidValidators();
  error WhitelistAlreadyUpdated();
  error DeadlineExpired();
  error PermitInvalidSigner();
  error InvalidValidatorsRegistryRoot();
  error InvalidVault();
  error AlreadyAdded();
  error AlreadyRemoved();
  error InvalidOracles();
  error NotEnoughSignatures();
  error InvalidOracle();
  error TooEarlyUpdate();
  error InvalidAvgRewardPerSecond();
  error InvalidRewardsRoot();
  error HarvestFailed();
  error InvalidRedeemFromLtvPercent();
  error InvalidLiqThresholdPercent();
  error InvalidLiqBonusPercent();
  error InvalidLtvPercent();
  error InvalidCheckpointIndex();
  error InvalidCheckpointValue();
  error MaxOraclesExceeded();
  error ClaimTooEarly();
}

{
  "viaIR": true,
  "optimizer": {
    "enabled": true,
    "runs": 200,
    "details": {
      "yul": true
    }
  },
  "evmVersion": "shanghai",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

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