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// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

// ──────────────────────────────────────────────────────────────────────────────
//     _   __    _  __
//    / | / /__ | |/ /_  _______
//   /  |/ / _ \|   / / / / ___/
//  / /|  /  __/   / /_/ (__  )
// /_/ |_/\___/_/|_\__,_/____/
//
// ──────────────────────────────────────────────────────────────────────────────
// Nexus: A suite of contracts for Modular Smart Accounts compliant with ERC-7579 and ERC-4337, developed by Biconomy.
// Learn more at https://biconomy.io. To report security issues, please contact us at: [email protected]

import { Stakeable } from "./Stakeable.sol";
import { ProxyLib } from "../../lib/nexus/ProxyLib.sol";

/// @title Nexus Account Factory
/// @notice Manages the creation of Modular Smart Accounts compliant with ERC-7579 and ERC-4337 using a factory pattern.
/// @author @livingrockrises | Biconomy | [email protected]
/// @author @aboudjem | Biconomy | [email protected]
/// @author @filmakarov | Biconomy | [email protected]
/// @author @zeroknots | Rhinestone.wtf | zeroknots.eth
/// Special thanks to the Solady team for foundational contributions: https://github.com/Vectorized/solady
contract NexusAccountFactory is Stakeable {
    /// @notice Error thrown when the implementation address is zero.
    error ImplementationAddressCanNotBeZero();

    /// @notice Error thrown when zero address is not allowed.
    error ZeroAddressNotAllowed();

    /// @notice Emitted when a new account is created.
    event AccountCreated(address indexed account, bytes initData, bytes32 indexed salt);

    /// @notice Address of the implementation contract used to create new Nexus instances.
    /// @dev This address is immutable and set upon deployment, ensuring the implementation cannot be changed.
    address public immutable ACCOUNT_IMPLEMENTATION;

    /// @notice Constructor to set the smart account implementation address and the factory owner.
    /// @param implementation_ The address of the Nexus implementation to be used for all deployments.
    /// @param owner_ The address of the owner of the factory.
    constructor(address implementation_, address owner_) Stakeable(owner_) {
        require(implementation_ != address(0), ImplementationAddressCanNotBeZero());
        require(owner_ != address(0), ZeroAddressNotAllowed());
        ACCOUNT_IMPLEMENTATION = implementation_;
    }

    /// @notice Creates a new Nexus account with the provided initialization data.
    /// @param initData Initialization data to be called on the new Smart Account.
    /// @param salt Unique salt for the Smart Account creation.
    /// @return The address of the newly created Nexus account.
    function createAccount(bytes calldata initData, bytes32 salt) external payable returns (address payable) {
        // Deploy the Nexus account using the ProxyLib
        (bool alreadyDeployed, address payable account) = ProxyLib.deployProxy(ACCOUNT_IMPLEMENTATION, salt, initData);
        if (!alreadyDeployed) {
            emit AccountCreated(account, initData, salt);
        }
        return account;
    }

    /// @notice Computes the expected address of a Nexus contract using the factory's deterministic deployment
    /// algorithm.
    /// @param initData - Initialization data to be called on the new Smart Account.
    /// @param salt - Unique salt for the Smart Account creation.
    /// @return expectedAddress The expected address at which the Nexus contract will be deployed if the provided
    /// parameters are used.
    function computeAccountAddress(
        bytes calldata initData,
        bytes32 salt
    )
        external
        view
        returns (address payable expectedAddress)
    {
        // Return the expected address of the Nexus account using the provided initialization data and salt
        return ProxyLib.predictProxyAddress(ACCOUNT_IMPLEMENTATION, salt, initData);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

// ──────────────────────────────────────────────────────────────────────────────
//     _   __    _  __
//    / | / /__ | |/ /_  _______
//   /  |/ / _ \|   / / / / ___/
//  / /|  /  __/   / /_/ (__  )
// /_/ |_/\___/_/|_\__,_/____/
//
// ──────────────────────────────────────────────────────────────────────────────
// Nexus: A suite of contracts for Modular Smart Accounts compliant with ERC-7579 and ERC-4337, developed by Biconomy.
// Learn more at https://biconomy.io. For security issues, contact: [email protected]

import { Ownable } from "solady/auth/Ownable.sol";
import { IEntryPoint } from "account-abstraction/interfaces/IEntryPoint.sol";

/// @title Stakeable Entity
/// @notice Provides functionality to stake, unlock, and withdraw Ether on an EntryPoint.
/// @author @livingrockrises | Biconomy | [email protected]
/// @author @aboudjem | Biconomy | [email protected]
/// @author @filmakarov | Biconomy | [email protected]
/// @author @zeroknots | Rhinestone.wtf | zeroknots.eth
/// Special thanks to the Solady team for foundational contributions: https://github.com/Vectorized/solady
contract Stakeable is Ownable {
    /// @notice Error thrown when an invalid EntryPoint address is provided.
    error InvalidEntryPointAddress();

    constructor(address newOwner) {
        _setOwner(newOwner);
    }

    /// @notice Stakes a certain amount of Ether on an EntryPoint.
    /// @dev The contract should have enough Ether to cover the stake.
    /// @param epAddress The address of the EntryPoint where the stake is added.
    /// @param unstakeDelaySec The delay in seconds before the stake can be unlocked.
    function addStake(address epAddress, uint32 unstakeDelaySec) external payable onlyOwner {
        require(epAddress != address(0), InvalidEntryPointAddress());
        IEntryPoint(epAddress).addStake{ value: msg.value }(unstakeDelaySec);
    }

    /// @notice Unlocks the stake on an EntryPoint.
    /// @dev This starts the unstaking delay after which funds can be withdrawn.
    /// @param epAddress The address of the EntryPoint from which the stake is to be unlocked.
    function unlockStake(address epAddress) external onlyOwner {
        require(epAddress != address(0), InvalidEntryPointAddress());
        IEntryPoint(epAddress).unlockStake();
    }

    /// @notice Withdraws the stake from an EntryPoint to a specified address.
    /// @dev This can only be done after the unstaking delay has passed since the unlock.
    /// @param epAddress The address of the EntryPoint where the stake is withdrawn from.
    /// @param withdrawAddress The address to receive the withdrawn stake.
    function withdrawStake(address epAddress, address payable withdrawAddress) external onlyOwner {
        require(epAddress != address(0), InvalidEntryPointAddress());
        IEntryPoint(epAddress).withdrawStake(withdrawAddress);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import { NexusProxy } from "../../nexus/utils/NexusProxy.sol";
import { INexus } from "../../interfaces/nexus/INexus.sol";

/// @title ProxyLib
/// @notice A library for deploying NexusProxy contracts
library ProxyLib {
    /// @notice Error thrown when ETH transfer fails.
    error EthTransferFailed();

    /// @notice Deploys a new NexusProxy contract, returning the address of the new contract, if the contract is already
    /// deployed,
    ///         the msg.value will be forwarded to the existing contract.
    /// @param implementation The address of the implementation contract.
    /// @param salt The salt used for the contract creation.
    /// @param initData The initialization data for the implementation contract.
    /// @return alreadyDeployed A boolean indicating if the contract was already deployed.
    /// @return account The address of the new contract or the existing contract.
    function deployProxy(
        address implementation,
        bytes32 salt,
        bytes memory initData
    )
        internal
        returns (bool alreadyDeployed, address payable account)
    {
        // Check if the contract is already deployed
        account = predictProxyAddress(implementation, salt, initData);
        alreadyDeployed = account.code.length > 0;
        // Deploy a new contract if it is not already deployed
        if (!alreadyDeployed) {
            // Deploy the contract
            new NexusProxy{ salt: salt, value: msg.value }(
                implementation, abi.encodeCall(INexus.initializeAccount, initData)
            );
        } else {
            // Forward the value to the existing contract
            (bool success,) = account.call{ value: msg.value }("");
            require(success, EthTransferFailed());
        }
    }

    /// @notice Predicts the address of a NexusProxy contract.
    /// @param implementation The address of the implementation contract.
    /// @param salt The salt used for the contract creation.
    /// @param initData The initialization data for the implementation contract.
    /// @return predictedAddress The predicted address of the new contract.
    function predictProxyAddress(
        address implementation,
        bytes32 salt,
        bytes memory initData
    )
        internal
        view
        returns (address payable predictedAddress)
    {
        // Get the init code hash
        /// forge-lint:disable-start(asm-keccak256)
        bytes32 initCodeHash = keccak256(
            abi.encodePacked(
                type(NexusProxy).creationCode,
                abi.encode(implementation, abi.encodeCall(INexus.initializeAccount, initData))
            )
        );
        /// forge-lint:disable-end(asm-keccak256)

        // Compute the predicted address
        predictedAddress = payable(address(
                uint160(uint256(keccak256(abi.encodePacked(bytes1(0xff), address(this), salt, initCodeHash))))
            ));
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;

/// @notice Simple single owner authorization mixin.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/auth/Ownable.sol)
///
/// @dev Note:
/// This implementation does NOT auto-initialize the owner to `msg.sender`.
/// You MUST call the `_initializeOwner` in the constructor / initializer.
///
/// While the ownable portion follows
/// [EIP-173](https://eips.ethereum.org/EIPS/eip-173) for compatibility,
/// the nomenclature for the 2-step ownership handover may be unique to this codebase.
abstract contract Ownable {
    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                       CUSTOM ERRORS                        */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The caller is not authorized to call the function.
    error Unauthorized();

    /// @dev The `newOwner` cannot be the zero address.
    error NewOwnerIsZeroAddress();

    /// @dev The `pendingOwner` does not have a valid handover request.
    error NoHandoverRequest();

    /// @dev Cannot double-initialize.
    error AlreadyInitialized();

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                           EVENTS                           */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The ownership is transferred from `oldOwner` to `newOwner`.
    /// This event is intentionally kept the same as OpenZeppelin's Ownable to be
    /// compatible with indexers and [EIP-173](https://eips.ethereum.org/EIPS/eip-173),
    /// despite it not being as lightweight as a single argument event.
    event OwnershipTransferred(address indexed oldOwner, address indexed newOwner);

    /// @dev An ownership handover to `pendingOwner` has been requested.
    event OwnershipHandoverRequested(address indexed pendingOwner);

    /// @dev The ownership handover to `pendingOwner` has been canceled.
    event OwnershipHandoverCanceled(address indexed pendingOwner);

    /// @dev `keccak256(bytes("OwnershipTransferred(address,address)"))`.
    uint256 private constant _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE =
        0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0;

    /// @dev `keccak256(bytes("OwnershipHandoverRequested(address)"))`.
    uint256 private constant _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE =
        0xdbf36a107da19e49527a7176a1babf963b4b0ff8cde35ee35d6cd8f1f9ac7e1d;

    /// @dev `keccak256(bytes("OwnershipHandoverCanceled(address)"))`.
    uint256 private constant _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE =
        0xfa7b8eab7da67f412cc9575ed43464468f9bfbae89d1675917346ca6d8fe3c92;

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                          STORAGE                           */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev The owner slot is given by:
    /// `bytes32(~uint256(uint32(bytes4(keccak256("_OWNER_SLOT_NOT")))))`.
    /// It is intentionally chosen to be a high value
    /// to avoid collision with lower slots.
    /// The choice of manual storage layout is to enable compatibility
    /// with both regular and upgradeable contracts.
    bytes32 internal constant _OWNER_SLOT =
        0xffffffffffffffffffffffffffffffffffffffffffffffffffffffff74873927;

    /// The ownership handover slot of `newOwner` is given by:
    /// ```
    ///     mstore(0x00, or(shl(96, user), _HANDOVER_SLOT_SEED))
    ///     let handoverSlot := keccak256(0x00, 0x20)
    /// ```
    /// It stores the expiry timestamp of the two-step ownership handover.
    uint256 private constant _HANDOVER_SLOT_SEED = 0x389a75e1;

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                     INTERNAL FUNCTIONS                     */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Override to return true to make `_initializeOwner` prevent double-initialization.
    function _guardInitializeOwner() internal pure virtual returns (bool guard) {}

    /// @dev Initializes the owner directly without authorization guard.
    /// This function must be called upon initialization,
    /// regardless of whether the contract is upgradeable or not.
    /// This is to enable generalization to both regular and upgradeable contracts,
    /// and to save gas in case the initial owner is not the caller.
    /// For performance reasons, this function will not check if there
    /// is an existing owner.
    function _initializeOwner(address newOwner) internal virtual {
        if (_guardInitializeOwner()) {
            /// @solidity memory-safe-assembly
            assembly {
                let ownerSlot := _OWNER_SLOT
                if sload(ownerSlot) {
                    mstore(0x00, 0x0dc149f0) // `AlreadyInitialized()`.
                    revert(0x1c, 0x04)
                }
                // Clean the upper 96 bits.
                newOwner := shr(96, shl(96, newOwner))
                // Store the new value.
                sstore(ownerSlot, or(newOwner, shl(255, iszero(newOwner))))
                // Emit the {OwnershipTransferred} event.
                log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner)
            }
        } else {
            /// @solidity memory-safe-assembly
            assembly {
                // Clean the upper 96 bits.
                newOwner := shr(96, shl(96, newOwner))
                // Store the new value.
                sstore(_OWNER_SLOT, newOwner)
                // Emit the {OwnershipTransferred} event.
                log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner)
            }
        }
    }

    /// @dev Sets the owner directly without authorization guard.
    function _setOwner(address newOwner) internal virtual {
        if (_guardInitializeOwner()) {
            /// @solidity memory-safe-assembly
            assembly {
                let ownerSlot := _OWNER_SLOT
                // Clean the upper 96 bits.
                newOwner := shr(96, shl(96, newOwner))
                // Emit the {OwnershipTransferred} event.
                log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner)
                // Store the new value.
                sstore(ownerSlot, or(newOwner, shl(255, iszero(newOwner))))
            }
        } else {
            /// @solidity memory-safe-assembly
            assembly {
                let ownerSlot := _OWNER_SLOT
                // Clean the upper 96 bits.
                newOwner := shr(96, shl(96, newOwner))
                // Emit the {OwnershipTransferred} event.
                log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner)
                // Store the new value.
                sstore(ownerSlot, newOwner)
            }
        }
    }

    /// @dev Throws if the sender is not the owner.
    function _checkOwner() internal view virtual {
        /// @solidity memory-safe-assembly
        assembly {
            // If the caller is not the stored owner, revert.
            if iszero(eq(caller(), sload(_OWNER_SLOT))) {
                mstore(0x00, 0x82b42900) // `Unauthorized()`.
                revert(0x1c, 0x04)
            }
        }
    }

    /// @dev Returns how long a two-step ownership handover is valid for in seconds.
    /// Override to return a different value if needed.
    /// Made internal to conserve bytecode. Wrap it in a public function if needed.
    function _ownershipHandoverValidFor() internal view virtual returns (uint64) {
        return 48 * 3600;
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                  PUBLIC UPDATE FUNCTIONS                   */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Allows the owner to transfer the ownership to `newOwner`.
    function transferOwnership(address newOwner) public payable virtual onlyOwner {
        /// @solidity memory-safe-assembly
        assembly {
            if iszero(shl(96, newOwner)) {
                mstore(0x00, 0x7448fbae) // `NewOwnerIsZeroAddress()`.
                revert(0x1c, 0x04)
            }
        }
        _setOwner(newOwner);
    }

    /// @dev Allows the owner to renounce their ownership.
    function renounceOwnership() public payable virtual onlyOwner {
        _setOwner(address(0));
    }

    /// @dev Request a two-step ownership handover to the caller.
    /// The request will automatically expire in 48 hours (172800 seconds) by default.
    function requestOwnershipHandover() public payable virtual {
        unchecked {
            uint256 expires = block.timestamp + _ownershipHandoverValidFor();
            /// @solidity memory-safe-assembly
            assembly {
                // Compute and set the handover slot to `expires`.
                mstore(0x0c, _HANDOVER_SLOT_SEED)
                mstore(0x00, caller())
                sstore(keccak256(0x0c, 0x20), expires)
                // Emit the {OwnershipHandoverRequested} event.
                log2(0, 0, _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE, caller())
            }
        }
    }

    /// @dev Cancels the two-step ownership handover to the caller, if any.
    function cancelOwnershipHandover() public payable virtual {
        /// @solidity memory-safe-assembly
        assembly {
            // Compute and set the handover slot to 0.
            mstore(0x0c, _HANDOVER_SLOT_SEED)
            mstore(0x00, caller())
            sstore(keccak256(0x0c, 0x20), 0)
            // Emit the {OwnershipHandoverCanceled} event.
            log2(0, 0, _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE, caller())
        }
    }

    /// @dev Allows the owner to complete the two-step ownership handover to `pendingOwner`.
    /// Reverts if there is no existing ownership handover requested by `pendingOwner`.
    function completeOwnershipHandover(address pendingOwner) public payable virtual onlyOwner {
        /// @solidity memory-safe-assembly
        assembly {
            // Compute and set the handover slot to 0.
            mstore(0x0c, _HANDOVER_SLOT_SEED)
            mstore(0x00, pendingOwner)
            let handoverSlot := keccak256(0x0c, 0x20)
            // If the handover does not exist, or has expired.
            if gt(timestamp(), sload(handoverSlot)) {
                mstore(0x00, 0x6f5e8818) // `NoHandoverRequest()`.
                revert(0x1c, 0x04)
            }
            // Set the handover slot to 0.
            sstore(handoverSlot, 0)
        }
        _setOwner(pendingOwner);
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                   PUBLIC READ FUNCTIONS                    */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Returns the owner of the contract.
    function owner() public view virtual returns (address result) {
        /// @solidity memory-safe-assembly
        assembly {
            result := sload(_OWNER_SLOT)
        }
    }

    /// @dev Returns the expiry timestamp for the two-step ownership handover to `pendingOwner`.
    function ownershipHandoverExpiresAt(address pendingOwner)
        public
        view
        virtual
        returns (uint256 result)
    {
        /// @solidity memory-safe-assembly
        assembly {
            // Compute the handover slot.
            mstore(0x0c, _HANDOVER_SLOT_SEED)
            mstore(0x00, pendingOwner)
            // Load the handover slot.
            result := sload(keccak256(0x0c, 0x20))
        }
    }

    /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
    /*                         MODIFIERS                          */
    /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/

    /// @dev Marks a function as only callable by the owner.
    modifier onlyOwner() virtual {
        _checkOwner();
        _;
    }
}

/**
 ** Account-Abstraction (EIP-4337) singleton EntryPoint implementation.
 ** Only one instance required on each chain.
 **/
// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.7.5;

/* solhint-disable avoid-low-level-calls */
/* solhint-disable no-inline-assembly */
/* solhint-disable reason-string */

import "./PackedUserOperation.sol";
import "./IStakeManager.sol";
import "./IAggregator.sol";
import "./INonceManager.sol";

interface IEntryPoint is IStakeManager, INonceManager {
    /***
     * An event emitted after each successful request.
     * @param userOpHash    - Unique identifier for the request (hash its entire content, except signature).
     * @param sender        - The account that generates this request.
     * @param paymaster     - If non-null, the paymaster that pays for this request.
     * @param nonce         - The nonce value from the request.
     * @param success       - True if the sender transaction succeeded, false if reverted.
     * @param actualGasCost - Actual amount paid (by account or paymaster) for this UserOperation.
     * @param actualGasUsed - Total gas used by this UserOperation (including preVerification, creation,
     *                        validation and execution).
     */
    event UserOperationEvent(
        bytes32 indexed userOpHash,
        address indexed sender,
        address indexed paymaster,
        uint256 nonce,
        bool success,
        uint256 actualGasCost,
        uint256 actualGasUsed
    );

    /**
     * Account "sender" was deployed.
     * @param userOpHash - The userOp that deployed this account. UserOperationEvent will follow.
     * @param sender     - The account that is deployed
     * @param factory    - The factory used to deploy this account (in the initCode)
     * @param paymaster  - The paymaster used by this UserOp
     */
    event AccountDeployed(
        bytes32 indexed userOpHash,
        address indexed sender,
        address factory,
        address paymaster
    );

    /**
     * An event emitted if the UserOperation "callData" reverted with non-zero length.
     * @param userOpHash   - The request unique identifier.
     * @param sender       - The sender of this request.
     * @param nonce        - The nonce used in the request.
     * @param revertReason - The return bytes from the (reverted) call to "callData".
     */
    event UserOperationRevertReason(
        bytes32 indexed userOpHash,
        address indexed sender,
        uint256 nonce,
        bytes revertReason
    );

    /**
     * An event emitted if the UserOperation Paymaster's "postOp" call reverted with non-zero length.
     * @param userOpHash   - The request unique identifier.
     * @param sender       - The sender of this request.
     * @param nonce        - The nonce used in the request.
     * @param revertReason - The return bytes from the (reverted) call to "callData".
     */
    event PostOpRevertReason(
        bytes32 indexed userOpHash,
        address indexed sender,
        uint256 nonce,
        bytes revertReason
    );

    /**
     * UserOp consumed more than prefund. The UserOperation is reverted, and no refund is made.
     * @param userOpHash   - The request unique identifier.
     * @param sender       - The sender of this request.
     * @param nonce        - The nonce used in the request.
     */
    event UserOperationPrefundTooLow(
        bytes32 indexed userOpHash,
        address indexed sender,
        uint256 nonce
    );

    /**
     * An event emitted by handleOps(), before starting the execution loop.
     * Any event emitted before this event, is part of the validation.
     */
    event BeforeExecution();

    /**
     * Signature aggregator used by the following UserOperationEvents within this bundle.
     * @param aggregator - The aggregator used for the following UserOperationEvents.
     */
    event SignatureAggregatorChanged(address indexed aggregator);

    /**
     * A custom revert error of handleOps, to identify the offending op.
     * Should be caught in off-chain handleOps simulation and not happen on-chain.
     * Useful for mitigating DoS attempts against batchers or for troubleshooting of factory/account/paymaster reverts.
     * NOTE: If simulateValidation passes successfully, there should be no reason for handleOps to fail on it.
     * @param opIndex - Index into the array of ops to the failed one (in simulateValidation, this is always zero).
     * @param reason  - Revert reason. The string starts with a unique code "AAmn",
     *                  where "m" is "1" for factory, "2" for account and "3" for paymaster issues,
     *                  so a failure can be attributed to the correct entity.
     */
    error FailedOp(uint256 opIndex, string reason);

    /**
     * A custom revert error of handleOps, to report a revert by account or paymaster.
     * @param opIndex - Index into the array of ops to the failed one (in simulateValidation, this is always zero).
     * @param reason  - Revert reason. see FailedOp(uint256,string), above
     * @param inner   - data from inner cought revert reason
     * @dev note that inner is truncated to 2048 bytes
     */
    error FailedOpWithRevert(uint256 opIndex, string reason, bytes inner);

    error PostOpReverted(bytes returnData);

    /**
     * Error case when a signature aggregator fails to verify the aggregated signature it had created.
     * @param aggregator The aggregator that failed to verify the signature
     */
    error SignatureValidationFailed(address aggregator);

    // Return value of getSenderAddress.
    error SenderAddressResult(address sender);

    // UserOps handled, per aggregator.
    struct UserOpsPerAggregator {
        PackedUserOperation[] userOps;
        // Aggregator address
        IAggregator aggregator;
        // Aggregated signature
        bytes signature;
    }

    /**
     * Execute a batch of UserOperations.
     * No signature aggregator is used.
     * If any account requires an aggregator (that is, it returned an aggregator when
     * performing simulateValidation), then handleAggregatedOps() must be used instead.
     * @param ops         - The operations to execute.
     * @param beneficiary - The address to receive the fees.
     */
    function handleOps(
        PackedUserOperation[] calldata ops,
        address payable beneficiary
    ) external;

    /**
     * Execute a batch of UserOperation with Aggregators
     * @param opsPerAggregator - The operations to execute, grouped by aggregator (or address(0) for no-aggregator accounts).
     * @param beneficiary      - The address to receive the fees.
     */
    function handleAggregatedOps(
        UserOpsPerAggregator[] calldata opsPerAggregator,
        address payable beneficiary
    ) external;

    /**
     * Generate a request Id - unique identifier for this request.
     * The request ID is a hash over the content of the userOp (except the signature), the entrypoint and the chainid.
     * @param userOp - The user operation to generate the request ID for.
     * @return hash the hash of this UserOperation
     */
    function getUserOpHash(
        PackedUserOperation calldata userOp
    ) external view returns (bytes32);

    /**
     * Gas and return values during simulation.
     * @param preOpGas         - The gas used for validation (including preValidationGas)
     * @param prefund          - The required prefund for this operation
     * @param accountValidationData   - returned validationData from account.
     * @param paymasterValidationData - return validationData from paymaster.
     * @param paymasterContext - Returned by validatePaymasterUserOp (to be passed into postOp)
     */
    struct ReturnInfo {
        uint256 preOpGas;
        uint256 prefund;
        uint256 accountValidationData;
        uint256 paymasterValidationData;
        bytes paymasterContext;
    }

    /**
     * Returned aggregated signature info:
     * The aggregator returned by the account, and its current stake.
     */
    struct AggregatorStakeInfo {
        address aggregator;
        StakeInfo stakeInfo;
    }

    /**
     * Get counterfactual sender address.
     * Calculate the sender contract address that will be generated by the initCode and salt in the UserOperation.
     * This method always revert, and returns the address in SenderAddressResult error
     * @param initCode - The constructor code to be passed into the UserOperation.
     */
    function getSenderAddress(bytes memory initCode) external;

    error DelegateAndRevert(bool success, bytes ret);

    /**
     * Helper method for dry-run testing.
     * @dev calling this method, the EntryPoint will make a delegatecall to the given data, and report (via revert) the result.
     *  The method always revert, so is only useful off-chain for dry run calls, in cases where state-override to replace
     *  actual EntryPoint code is less convenient.
     * @param target a target contract to make a delegatecall from entrypoint
     * @param data data to pass to target in a delegatecall
     */
    function delegateAndRevert(address target, bytes calldata data) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

import { Proxy } from "@openzeppelin/contracts/proxy/Proxy.sol";
import { ERC1967Utils } from "@openzeppelin/contracts/proxy/ERC1967/ERC1967Utils.sol";
import { Initializable } from "../../lib/nexus/Initializable.sol";

/// @title NexusProxy
/// @dev A proxy contract that uses the ERC1967 upgrade pattern and sets the initializable flag
///      in the constructor to prevent reinitialization
contract NexusProxy is Proxy {
    constructor(address implementation, bytes memory data) payable {
        Initializable.setInitializable();
        ERC1967Utils.upgradeToAndCall(implementation, data);
    }

    function _implementation() internal view virtual override returns (address) {
        return ERC1967Utils.getImplementation();
    }

    receive() external payable { }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

// ──────────────────────────────────────────────────────────────────────────────
//     _   __    _  __
//    / | / /__ | |/ /_  _______
//   /  |/ / _ \|   / / / / ___/
//  / /|  /  __/   / /_/ (__  )
// /_/ |_/\___/_/|_\__,_/____/
//
// ──────────────────────────────────────────────────────────────────────────────
// Nexus: A suite of contracts for Modular Smart Accounts compliant with ERC-7579 and ERC-4337, developed by Biconomy.
// Learn more at https://biconomy.io. To report security issues, please contact us at: [email protected]

import { IAccountConfig } from "./base/IAccountConfig.sol";
import { IExecutionHelper } from "./base/IExecutionHelper.sol";
import { INexusEventsAndErrors } from "./INexusEventsAndErrors.sol";
import { IERC1271 } from "../standard/IERC1271.sol";
import { IAccount } from "account-abstraction/interfaces/IAccount.sol";

/// @title Nexus - INexus Interface
/// @notice Integrates ERC-4337 and ERC-7579 standards to manage smart accounts within the Nexus suite.
/// @dev Consolidates ERC-4337 user operations and ERC-7579 configurations into a unified interface for smart account
/// management.
/// It extends both IERC4337Account and IERC7579Account, enhancing modular capabilities and supporting advanced contract
/// architectures.
/// Includes error definitions for robust handling of common issues such as unsupported module types and execution
/// failures.
/// The initialize function sets up the account with validators and configurations, ensuring readiness for use.
/// @author @livingrockrises | Biconomy | [email protected]
/// @author @aboudjem | Biconomy | [email protected]
/// @author @filmakarov | Biconomy | [email protected]
/// @author @zeroknots | Rhinestone.wtf | zeroknots.eth
/// Special thanks to the Solady team for foundational contributions: https://github.com/Vectorized/solady
interface INexus is IAccountConfig, IExecutionHelper, IERC1271, IAccount, INexusEventsAndErrors {
    /// @notice Initializes the smart account with a validator and custom data.
    /// @dev This method sets up the account for operation, linking it with a validator and initializing it with
    /// specific
    /// data.
    /// Can be called directly or via a factory.
    /// @param initData Encoded data used for the account's configuration during initialization.
    function initializeAccount(bytes calldata initData) external payable;
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.7.5;

/**
 * User Operation struct
 * @param sender                - The sender account of this request.
 * @param nonce                 - Unique value the sender uses to verify it is not a replay.
 * @param initCode              - If set, the account contract will be created by this constructor/
 * @param callData              - The method call to execute on this account.
 * @param accountGasLimits      - Packed gas limits for validateUserOp and gas limit passed to the callData method call.
 * @param preVerificationGas    - Gas not calculated by the handleOps method, but added to the gas paid.
 *                                Covers batch overhead.
 * @param gasFees               - packed gas fields maxPriorityFeePerGas and maxFeePerGas - Same as EIP-1559 gas parameters.
 * @param paymasterAndData      - If set, this field holds the paymaster address, verification gas limit, postOp gas limit and paymaster-specific extra data
 *                                The paymaster will pay for the transaction instead of the sender.
 * @param signature             - Sender-verified signature over the entire request, the EntryPoint address and the chain ID.
 */
struct PackedUserOperation {
    address sender;
    uint256 nonce;
    bytes initCode;
    bytes callData;
    bytes32 accountGasLimits;
    uint256 preVerificationGas;
    bytes32 gasFees;
    bytes paymasterAndData;
    bytes signature;
}

// SPDX-License-Identifier: GPL-3.0-only
pragma solidity >=0.7.5;

/**
 * Manage deposits and stakes.
 * Deposit is just a balance used to pay for UserOperations (either by a paymaster or an account).
 * Stake is value locked for at least "unstakeDelay" by the staked entity.
 */
interface IStakeManager {
    event Deposited(address indexed account, uint256 totalDeposit);

    event Withdrawn(
        address indexed account,
        address withdrawAddress,
        uint256 amount
    );

    // Emitted when stake or unstake delay are modified.
    event StakeLocked(
        address indexed account,
        uint256 totalStaked,
        uint256 unstakeDelaySec
    );

    // Emitted once a stake is scheduled for withdrawal.
    event StakeUnlocked(address indexed account, uint256 withdrawTime);

    event StakeWithdrawn(
        address indexed account,
        address withdrawAddress,
        uint256 amount
    );

    /**
     * @param deposit         - The entity's deposit.
     * @param staked          - True if this entity is staked.
     * @param stake           - Actual amount of ether staked for this entity.
     * @param unstakeDelaySec - Minimum delay to withdraw the stake.
     * @param withdrawTime    - First block timestamp where 'withdrawStake' will be callable, or zero if already locked.
     * @dev Sizes were chosen so that deposit fits into one cell (used during handleOp)
     *      and the rest fit into a 2nd cell (used during stake/unstake)
     *      - 112 bit allows for 10^15 eth
     *      - 48 bit for full timestamp
     *      - 32 bit allows 150 years for unstake delay
     */
    struct DepositInfo {
        uint256 deposit;
        bool staked;
        uint112 stake;
        uint32 unstakeDelaySec;
        uint48 withdrawTime;
    }

    // API struct used by getStakeInfo and simulateValidation.
    struct StakeInfo {
        uint256 stake;
        uint256 unstakeDelaySec;
    }

    /**
     * Get deposit info.
     * @param account - The account to query.
     * @return info   - Full deposit information of given account.
     */
    function getDepositInfo(
        address account
    ) external view returns (DepositInfo memory info);

    /**
     * Get account balance.
     * @param account - The account to query.
     * @return        - The deposit (for gas payment) of the account.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * Add to the deposit of the given account.
     * @param account - The account to add to.
     */
    function depositTo(address account) external payable;

    /**
     * Add to the account's stake - amount and delay
     * any pending unstake is first cancelled.
     * @param _unstakeDelaySec - The new lock duration before the deposit can be withdrawn.
     */
    function addStake(uint32 _unstakeDelaySec) external payable;

    /**
     * Attempt to unlock the stake.
     * The value can be withdrawn (using withdrawStake) after the unstake delay.
     */
    function unlockStake() external;

    /**
     * Withdraw from the (unlocked) stake.
     * Must first call unlockStake and wait for the unstakeDelay to pass.
     * @param withdrawAddress - The address to send withdrawn value.
     */
    function withdrawStake(address payable withdrawAddress) external;

    /**
     * Withdraw from the deposit.
     * @param withdrawAddress - The address to send withdrawn value.
     * @param withdrawAmount  - The amount to withdraw.
     */
    function withdrawTo(
        address payable withdrawAddress,
        uint256 withdrawAmount
    ) external;
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.7.5;

import "./PackedUserOperation.sol";

/**
 * Aggregated Signatures validator.
 */
interface IAggregator {
    /**
     * Validate aggregated signature.
     * Revert if the aggregated signature does not match the given list of operations.
     * @param userOps   - Array of UserOperations to validate the signature for.
     * @param signature - The aggregated signature.
     */
    function validateSignatures(
        PackedUserOperation[] calldata userOps,
        bytes calldata signature
    ) external view;

    /**
     * Validate signature of a single userOp.
     * This method should be called by bundler after EntryPointSimulation.simulateValidation() returns
     * the aggregator this account uses.
     * First it validates the signature over the userOp. Then it returns data to be used when creating the handleOps.
     * @param userOp        - The userOperation received from the user.
     * @return sigForUserOp - The value to put into the signature field of the userOp when calling handleOps.
     *                        (usually empty, unless account and aggregator support some kind of "multisig".
     */
    function validateUserOpSignature(
        PackedUserOperation calldata userOp
    ) external view returns (bytes memory sigForUserOp);

    /**
     * Aggregate multiple signatures into a single value.
     * This method is called off-chain to calculate the signature to pass with handleOps()
     * bundler MAY use optimized custom code perform this aggregation.
     * @param userOps              - Array of UserOperations to collect the signatures from.
     * @return aggregatedSignature - The aggregated signature.
     */
    function aggregateSignatures(
        PackedUserOperation[] calldata userOps
    ) external view returns (bytes memory aggregatedSignature);
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.7.5;

interface INonceManager {

    /**
     * Return the next nonce for this sender.
     * Within a given key, the nonce values are sequenced (starting with zero, and incremented by one on each userop)
     * But UserOp with different keys can come with arbitrary order.
     *
     * @param sender the account address
     * @param key the high 192 bit of the nonce
     * @return nonce a full nonce to pass for next UserOp with this sender.
     */
    function getNonce(address sender, uint192 key)
    external view returns (uint256 nonce);

    /**
     * Manually increment the nonce of the sender.
     * This method is exposed just for completeness..
     * Account does NOT need to call it, neither during validation, nor elsewhere,
     * as the EntryPoint will update the nonce regardless.
     * Possible use-case is call it with various keys to "initialize" their nonces to one, so that future
     * UserOperations will not pay extra for the first transaction with a given key.
     */
    function incrementNonce(uint192 key) external;
}

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

pragma solidity ^0.8.20;

/**
 * @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 {
        _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();
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/ERC1967/ERC1967Utils.sol)

pragma solidity ^0.8.20;

import {IBeacon} from "../beacon/IBeacon.sol";
import {Address} from "../../utils/Address.sol";
import {StorageSlot} from "../../utils/StorageSlot.sol";

/**
 * @dev This abstract contract provides getters and event emitting update functions for
 * https://eips.ethereum.org/EIPS/eip-1967[EIP1967] slots.
 */
library ERC1967Utils {
    // We re-declare ERC-1967 events here because they can't be used directly from IERC1967.
    // This will be fixed in Solidity 0.8.21. At that point we should remove these events.
    /**
     * @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);

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1.
     */
    // solhint-disable-next-line private-vars-leading-underscore
    bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev The `implementation` of the proxy is invalid.
     */
    error ERC1967InvalidImplementation(address implementation);

    /**
     * @dev The `admin` of the proxy is invalid.
     */
    error ERC1967InvalidAdmin(address admin);

    /**
     * @dev The `beacon` of the proxy is invalid.
     */
    error ERC1967InvalidBeacon(address beacon);

    /**
     * @dev An upgrade function sees `msg.value > 0` that may be lost.
     */
    error ERC1967NonPayable();

    /**
     * @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 {
        if (newImplementation.code.length == 0) {
            revert ERC1967InvalidImplementation(newImplementation);
        }
        StorageSlot.getAddressSlot(IMPLEMENTATION_SLOT).value = newImplementation;
    }

    /**
     * @dev Performs implementation upgrade with additional setup call if data is nonempty.
     * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected
     * to avoid stuck value in the contract.
     *
     * Emits an {IERC1967-Upgraded} event.
     */
    function upgradeToAndCall(address newImplementation, bytes memory data) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);

        if (data.length > 0) {
            Address.functionDelegateCall(newImplementation, data);
        } else {
            _checkNonPayable();
        }
    }

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1.
     */
    // solhint-disable-next-line private-vars-leading-underscore
    bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Returns the current admin.
     *
     * TIP: To get this value clients can read directly from the storage slot shown below (specified by EIP1967) using
     * the https://eth.wiki/json-rpc/API#eth_getstorageat[`eth_getStorageAt`] RPC call.
     * `0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103`
     */
    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 {
        if (newAdmin == address(0)) {
            revert ERC1967InvalidAdmin(address(0));
        }
        StorageSlot.getAddressSlot(ADMIN_SLOT).value = newAdmin;
    }

    /**
     * @dev Changes the admin of the proxy.
     *
     * Emits an {IERC1967-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 the keccak-256 hash of "eip1967.proxy.beacon" subtracted by 1.
     */
    // solhint-disable-next-line private-vars-leading-underscore
    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 {
        if (newBeacon.code.length == 0) {
            revert ERC1967InvalidBeacon(newBeacon);
        }

        StorageSlot.getAddressSlot(BEACON_SLOT).value = newBeacon;

        address beaconImplementation = IBeacon(newBeacon).implementation();
        if (beaconImplementation.code.length == 0) {
            revert ERC1967InvalidImplementation(beaconImplementation);
        }
    }

    /**
     * @dev Change the beacon and trigger a setup call if data is nonempty.
     * This function is payable only if the setup call is performed, otherwise `msg.value` is rejected
     * to avoid stuck value in the contract.
     *
     * Emits an {IERC1967-BeaconUpgraded} event.
     *
     * CAUTION: Invoking this function has no effect on an instance of {BeaconProxy} since v5, since
     * it uses an immutable beacon without looking at the value of the ERC-1967 beacon slot for
     * efficiency.
     */
    function upgradeBeaconToAndCall(address newBeacon, bytes memory data) internal {
        _setBeacon(newBeacon);
        emit BeaconUpgraded(newBeacon);

        if (data.length > 0) {
            Address.functionDelegateCall(IBeacon(newBeacon).implementation(), data);
        } else {
            _checkNonPayable();
        }
    }

    /**
     * @dev Reverts if `msg.value` is not zero. It can be used to avoid `msg.value` stuck in the contract
     * if an upgrade doesn't perform an initialization call.
     */
    function _checkNonPayable() private {
        if (msg.value > 0) {
            revert ERC1967NonPayable();
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

// keccak256(abi.encode(uint256(keccak256("initializable.transient.Nexus")) - 1)) & ~bytes32(uint256(0xff));
bytes32 constant INIT_SLOT = 0x90b772c2cb8a51aa7a8a65fc23543c6d022d5b3f8e2b92eed79fba7eef829300;

/// @title Initializable
/// @dev This library provides a way to set a transient flag on a contract to ensure that it is only initialized during
/// the
/// constructor execution. This is useful to prevent a contract from being initialized multiple times.
library Initializable {
    /// @dev Thrown when an attempt to initialize an already initialized contract is made
    error NotInitializable();

    /// @dev Sets the initializable flag in the transient storage slot to true
    function setInitializable() internal {
        bytes32 slot = INIT_SLOT;
        assembly {
            tstore(slot, 0x01)
        }
    }

    /// @dev Checks if the initializable flag is set in the transient storage slot, reverts with NotInitializable if not
    function requireInitializable() internal view {
        bytes32 slot = INIT_SLOT;
        // Load the current value from the slot, revert if 0
        assembly {
            let isInitializable := tload(slot)
            if iszero(isInitializable) {
                mstore(0x0, 0xaed59595) // NotInitializable()
                revert(0x1c, 0x04)
            }
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

// ──────────────────────────────────────────────────────────────────────────────
//     _   __    _  __
//    / | / /__ | |/ /_  _______
//   /  |/ / _ \|   / / / / ___/
//  / /|  /  __/   / /_/ (__  )
// /_/ |_/\___/_/|_\__,_/____/
//
// ──────────────────────────────────────────────────────────────────────────────
// Nexus: A suite of contracts for Modular Smart Accounts compliant with ERC-7579 and ERC-4337, developed by Biconomy.
// Learn more at https://biconomy.io. To report security issues, please contact us at: [email protected]

import { ExecutionMode } from "../../../lib/erc-7579/ModeLib.sol";

/// @title Nexus - ERC-7579 Account Configuration Interface
/// @notice Interface for querying and verifying configurations of Smart Accounts compliant with ERC-7579.
/// @dev Provides methods to check supported execution modes and module types for Smart Accounts, ensuring flexible and
/// extensible configuration.
/// @author @livingrockrises | Biconomy | [email protected]
/// @author @aboudjem | Biconomy | [email protected]
/// @author @filmakarov | Biconomy | [email protected]
/// @author @zeroknots | Rhinestone.wtf | zeroknots.eth
/// Special thanks to the Solady team for foundational contributions: https://github.com/Vectorized/solady
interface IAccountConfig {
    /// @notice Returns the account ID in a structured format: "vendorname.accountname.semver"
    /// @return accountImplementationId The account ID of the smart account
    function accountId() external view returns (string memory accountImplementationId);

    /// @notice Checks if the account supports a certain execution mode.
    /// @param encodedMode The encoded mode to verify.
    /// @return supported True if the account supports the mode, false otherwise.
    function supportsExecutionMode(ExecutionMode encodedMode) external view returns (bool supported);

    /// @notice Checks if the account supports a specific module type.
    /// @param moduleTypeId The module type ID to verify.
    /// @return supported True if the account supports the module type, false otherwise.
    function supportsModule(uint256 moduleTypeId) external view returns (bool supported);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

// ──────────────────────────────────────────────────────────────────────────────
//     _   __    _  __
//    / | / /__ | |/ /_  _______
//   /  |/ / _ \|   / / / / ___/
//  / /|  /  __/   / /_/ (__  )
// /_/ |_/\___/_/|_\__,_/____/
//
// ──────────────────────────────────────────────────────────────────────────────
// Nexus: A suite of contracts for Modular Smart Accounts compliant with ERC-7579 and ERC-4337, developed by Biconomy.
// Learn more at https://biconomy.io. To report security issues, please contact us at: [email protected]

import { ExecutionMode } from "../../../lib/erc-7579/ModeLib.sol";
import { IExecutionHelperEventsAndErrors } from "./IExecutionHelperEventsAndErrors.sol";
import { PackedUserOperation } from "account-abstraction/interfaces/PackedUserOperation.sol";

/// @title Nexus - IExecutionHelper
/// @notice Interface for executing transactions on behalf of smart accounts within the Nexus system.
/// @dev Extends functionality for transaction execution with error handling as defined in
/// IExecutionHelperEventsAndErrors.
/// @author @livingrockrises | Biconomy | [email protected]
/// @author @aboudjem | Biconomy | [email protected]
/// @author @filmakarov | Biconomy | [email protected]
/// @author @zeroknots | Rhinestone.wtf | zeroknots.eth
/// Special thanks to the Solady team for foundational contributions: https://github.com/Vectorized/solady
interface IExecutionHelper is IExecutionHelperEventsAndErrors {
    /// @notice Executes a transaction with specified execution mode and calldata.
    /// @param mode The execution mode, defining how the transaction is processed.
    /// @param executionCalldata The calldata to execute.
    /// @dev This function ensures that the execution complies with smart account execution policies and handles errors
    /// appropriately.
    function execute(ExecutionMode mode, bytes calldata executionCalldata) external payable;

    /// @notice Allows an executor module to perform transactions on behalf of the account.
    /// @param mode The execution mode that details how the transaction should be handled.
    /// @param executionCalldata The transaction data to be executed.
    /// @return returnData The result of the execution, allowing for error handling and results interpretation by the
    /// executor module.
    function executeFromExecutor(
        ExecutionMode mode,
        bytes calldata executionCalldata
    )
        external
        payable
        returns (bytes[] memory returnData);

    /**
     * Account may implement this execute method.
     * passing this methodSig at the beginning of callData will cause the entryPoint to pass the full UserOp (and hash)
     * to the account.
     * The account should skip the methodSig, and use the callData (and optionally, other UserOp fields)
     *
     * @param userOp              - The operation that was just validated.
     * @param userOpHash          - Hash of the user's request data.
     */
    function executeUserOp(PackedUserOperation calldata userOp, bytes32 userOpHash) external payable;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

// ──────────────────────────────────────────────────────────────────────────────
//     _   __    _  __
//    / | / /__ | |/ /_  _______
//   /  |/ / _ \|   / / / / ___/
//  / /|  /  __/   / /_/ (__  )
// /_/ |_/\___/_/|_\__,_/____/
//
// ──────────────────────────────────────────────────────────────────────────────
// Nexus: A suite of contracts for Modular Smart Accounts compliant with ERC-7579 and ERC-4337, developed by Biconomy.
// Learn more at https://biconomy.io. To report security issues, please contact us at: [email protected]

/// @title Nexus - INexus Events and Errors
/// @notice Defines common errors for the Nexus smart account management interface.
/// @author @livingrockrises | Biconomy | [email protected]
/// @author @aboudjem | Biconomy | [email protected]
/// @author @filmakarov | Biconomy | [email protected]
/// @author @zeroknots | Rhinestone.wtf | zeroknots.eth
/// Special thanks to the Solady team for foundational contributions: https://github.com/Vectorized/solady
interface INexusEventsAndErrors {
    /// @notice Error thrown when an unsupported ModuleType is requested.
    /// @param moduleTypeId The ID of the unsupported module type.
    error UnsupportedModuleType(uint256 moduleTypeId);

    /// @notice Error thrown when a zero address is provided as the Entry Point address.
    error EntryPointCanNotBeZero();

    /// @notice Error thrown when the provided implementation address is invalid.
    error InvalidImplementationAddress();

    /// @notice Error thrown when attempted to emergency-uninstall a hook
    error EmergencyTimeLockNotExpired();

    /// @notice Error thrown when attempted to upgrade an ERC7702 account via UUPS proxy upgrade mechanism
    error ERC7702AccountCannotBeUpgradedThisWay();

    /// @notice Error thrown when the provided initData is invalid.
    error InvalidInitData();

    /// @notice Error thrown when the account is already initialized.
    error AccountAlreadyInitialized();

    /// @notice Error thrown when the account is not initialized but expected to be.
    error AccountNotInitialized();

    /// @notice Error thrown when the provided signature is invalid.
    error InvalidSignature();
}

// SPDX-License-Identifier: LGPL-3.0-only
pragma solidity ^0.8.27;

interface IERC1271 {
    /**
     * @dev Should return whether the signature provided is valid for the provided data
     * @param _dataHash Arbitrary length data signed on behalf of address(this)
     * @param _signature Signature byte array associated with _data
     *
     * MUST return the bytes4 magic value 0x1626ba7e when function passes.
     * MUST NOT modify state (using STATICCALL for solc < 0.5, view modifier for solc >
     * 0.5)
     * MUST allow external calls
     */
    function isValidSignature(bytes32 _dataHash, bytes calldata _signature) external view returns (bytes4);
}

// SPDX-License-Identifier: GPL-3.0
pragma solidity >=0.7.5;

import "./PackedUserOperation.sol";

interface IAccount {
    /**
     * Validate user's signature and nonce
     * the entryPoint will make the call to the recipient only if this validation call returns successfully.
     * signature failure should be reported by returning SIG_VALIDATION_FAILED (1).
     * This allows making a "simulation call" without a valid signature
     * Other failures (e.g. nonce mismatch, or invalid signature format) should still revert to signal failure.
     *
     * @dev Must validate caller is the entryPoint.
     *      Must validate the signature and nonce
     * @param userOp              - The operation that is about to be executed.
     * @param userOpHash          - Hash of the user's request data. can be used as the basis for signature.
     * @param missingAccountFunds - Missing funds on the account's deposit in the entrypoint.
     *                              This is the minimum amount to transfer to the sender(entryPoint) to be
     *                              able to make the call. The excess is left as a deposit in the entrypoint
     *                              for future calls. Can be withdrawn anytime using "entryPoint.withdrawTo()".
     *                              In case there is a paymaster in the request (or the current deposit is high
     *                              enough), this value will be zero.
     * @return validationData       - Packaged ValidationData structure. use `_packValidationData` and
     *                              `_unpackValidationData` to encode and decode.
     *                              <20-byte> sigAuthorizer - 0 for valid signature, 1 to mark signature failure,
     *                                 otherwise, an address of an "authorizer" contract.
     *                              <6-byte> validUntil - Last timestamp this operation is valid. 0 for "indefinite"
     *                              <6-byte> validAfter - First timestamp this operation is valid
     *                                                    If an account doesn't use time-range, it is enough to
     *                                                    return SIG_VALIDATION_FAILED value (1) for signature failure.
     *                              Note that the validation code cannot use block.timestamp (or block.number) directly.
     */
    function validateUserOp(
        PackedUserOperation calldata userOp,
        bytes32 userOpHash,
        uint256 missingAccountFunds
    ) external returns (uint256 validationData);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (proxy/beacon/IBeacon.sol)

pragma solidity ^0.8.20;

/**
 * @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.
     *
     * {UpgradeableBeacon} will check that this address is a contract.
     */
    function implementation() external view returns (address);
}

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

pragma solidity ^0.8.20;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error AddressInsufficientBalance(address account);

    /**
     * @dev There's no code at `target` (it is not a contract).
     */
    error AddressEmptyCode(address target);

    /**
     * @dev A call to an address target failed. The target may have reverted.
     */
    error FailedInnerCall();

    /**
     * @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/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        if (address(this).balance < amount) {
            revert AddressInsufficientBalance(address(this));
        }

        (bool success, ) = recipient.call{value: amount}("");
        if (!success) {
            revert FailedInnerCall();
        }
    }

    /**
     * @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 or custom error, it is bubbled
     * up by this function (like regular Solidity function calls). However, if
     * the call reverted with no returned reason, this function reverts with a
     * {FailedInnerCall} error.
     *
     * 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.
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0);
    }

    /**
     * @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`.
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        if (address(this).balance < value) {
            revert AddressInsufficientBalance(address(this));
        }
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
     * was not a contract or bubbling up the revert reason (falling back to {FailedInnerCall}) in case of an
     * unsuccessful call.
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata
    ) internal view returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            // only check if target is a contract if the call was successful and the return data is empty
            // otherwise we already know that it was a contract
            if (returndata.length == 0 && target.code.length == 0) {
                revert AddressEmptyCode(target);
            }
            return returndata;
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
     * revert reason or with a default {FailedInnerCall} error.
     */
    function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            return returndata;
        }
    }

    /**
     * @dev Reverts with returndata if present. Otherwise reverts with {FailedInnerCall}.
     */
    function _revert(bytes memory returndata) 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 FailedInnerCall();
        }
    }
}

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

pragma solidity ^0.8.20;

/**
 * @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(newImplementation.code.length > 0);
 *         StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation;
 *     }
 * }
 * ```
 */
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
        }
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

/// @title ModeLib
/// @author zeroknots.eth | rhinestone.wtf
/// To allow smart accounts to be very simple, but allow for more complex execution, A custom mode
/// encoding is used.
///    Function Signature of execute function:
///           function execute(ExecutionMode mode, bytes calldata executionCalldata) external payable;
/// This allows for a single bytes32 to be used to encode the execution mode, calltype, execType and
/// context.
/// NOTE: Simple Account implementations only have to scope for the most significant byte. Account  that
/// implement
/// more complex execution modes may use the entire bytes32.
///
/// |--------------------------------------------------------------------|
/// | CALLTYPE  | EXECTYPE  |   UNUSED   | ModeSelector  |  ModePayload  |
/// |--------------------------------------------------------------------|
/// | 1 byte    | 1 byte    |   4 bytes  | 4 bytes       |   22 bytes    |
/// |--------------------------------------------------------------------|
///
/// CALLTYPE: 1 byte
/// CallType is used to determine how the executeCalldata paramter of the execute function has to be
/// decoded.
/// It can be either single, batch or delegatecall. In the future different calls could be added.
/// CALLTYPE can be used by a validation module to determine how to decode <userOp.callData[36:]>.
///
/// EXECTYPE: 1 byte
/// ExecType is used to determine how the account should handle the execution.
/// It can indicate if the execution should revert on failure or continue execution.
/// In the future more execution modes may be added.
/// Default Behavior (EXECTYPE = 0x00) is to revert on a single failed execution. If one execution in
/// a batch fails, the entire batch is reverted
///
/// UNUSED: 4 bytes
/// Unused bytes are reserved for future use.
///
/// ModeSelector: bytes4
/// The "optional" mode selector can be used by account vendors, to implement custom behavior in
/// their accounts.
/// the way a ModeSelector is to be calculated is bytes4(keccak256("vendorname.featurename"))
/// this is to prevent collisions between different vendors, while allowing innovation and the
/// development of new features without coordination between ERC-7579 implementing accounts
///
/// ModePayload: 22 bytes
/// Mode payload is used to pass additional data to the smart account execution, this may be
/// interpreted depending on the ModeSelector
///
/// ExecutionCallData: n bytes
/// single, delegatecall or batch exec abi.encoded as bytes

// Custom type for improved developer experience
type ExecutionMode is bytes32;

type CallType is bytes1;

type ExecType is bytes1;

type ModeSelector is bytes4;

type ModePayload is bytes22;

// Default CallType
CallType constant CALLTYPE_SINGLE = CallType.wrap(0x00);
// Batched CallType
CallType constant CALLTYPE_BATCH = CallType.wrap(0x01);

CallType constant CALLTYPE_STATIC = CallType.wrap(0xFE);

// @dev Implementing delegatecall is OPTIONAL!
// implement delegatecall with extreme care.
CallType constant CALLTYPE_DELEGATECALL = CallType.wrap(0xFF);

// @dev default behavior is to revert on failure
// To allow very simple accounts to use mode encoding, the default behavior is to revert on failure
// Since this is value 0x00, no additional encoding is required for simple accounts
ExecType constant EXECTYPE_DEFAULT = ExecType.wrap(0x00);
// @dev account may elect to change execution behavior. For example "try exec" / "allow fail"
ExecType constant EXECTYPE_TRY = ExecType.wrap(0x01);

ModeSelector constant MODE_DEFAULT = ModeSelector.wrap(bytes4(0x00000000));
// Example declaration of a custom mode selector
ModeSelector constant MODE_OFFSET = ModeSelector.wrap(bytes4(keccak256("default.mode.offset")));

/// @dev ModeLib is a helper library to encode/decode ModeCodes
library ModeLib {
    function decode(ExecutionMode mode)
        internal
        pure
        returns (CallType _calltype, ExecType _execType, ModeSelector _modeSelector, ModePayload _modePayload)
    {
        assembly {
            _calltype := mode
            _execType := shl(8, mode)
            _modeSelector := shl(48, mode)
            _modePayload := shl(80, mode)
        }
    }

    function decodeBasic(ExecutionMode mode) internal pure returns (CallType _calltype, ExecType _execType) {
        assembly {
            _calltype := mode
            _execType := shl(8, mode)
        }
    }

    function encode(
        CallType callType,
        ExecType execType,
        ModeSelector mode,
        ModePayload payload
    )
        internal
        pure
        returns (ExecutionMode)
    {
        return ExecutionMode.wrap(
            bytes32(abi.encodePacked(callType, execType, bytes4(0), ModeSelector.unwrap(mode), payload))
        );
    }

    function encodeSimpleBatch() internal pure returns (ExecutionMode mode) {
        mode = encode(CALLTYPE_BATCH, EXECTYPE_DEFAULT, MODE_DEFAULT, ModePayload.wrap(0x00));
    }

    function encodeSimpleSingle() internal pure returns (ExecutionMode mode) {
        mode = encode(CALLTYPE_SINGLE, EXECTYPE_DEFAULT, MODE_DEFAULT, ModePayload.wrap(0x00));
    }

    function encodeTrySingle() internal pure returns (ExecutionMode mode) {
        mode = encode(CALLTYPE_SINGLE, EXECTYPE_TRY, MODE_DEFAULT, ModePayload.wrap(0x00));
    }

    function encodeTryBatch() internal pure returns (ExecutionMode mode) {
        mode = encode(CALLTYPE_BATCH, EXECTYPE_TRY, MODE_DEFAULT, ModePayload.wrap(0x00));
    }

    function encodeCustom(CallType callType, ExecType execType) internal pure returns (ExecutionMode mode) {
        mode = encode(callType, execType, MODE_DEFAULT, ModePayload.wrap(0x00));
    }

    function getCallType(ExecutionMode mode) internal pure returns (CallType calltype) {
        assembly {
            calltype := mode
        }
    }
}

using { _eqModeSelector as == } for ModeSelector global;
using { _eqCallType as == } for CallType global;
using { _uneqCallType as != } for CallType global;
using { _eqExecType as == } for ExecType global;

function _eqCallType(CallType a, CallType b) pure returns (bool) {
    return CallType.unwrap(a) == CallType.unwrap(b);
}

function _uneqCallType(CallType a, CallType b) pure returns (bool) {
    return CallType.unwrap(a) != CallType.unwrap(b);
}

function _eqExecType(ExecType a, ExecType b) pure returns (bool) {
    return ExecType.unwrap(a) == ExecType.unwrap(b);
}

//slither-disable-next-line dead-code
function _eqModeSelector(ModeSelector a, ModeSelector b) pure returns (bool) {
    return ModeSelector.unwrap(a) == ModeSelector.unwrap(b);
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.27;

// ──────────────────────────────────────────────────────────────────────────────
//     _   __    _  __
//    / | / /__ | |/ /_  _______
//   /  |/ / _ \|   / / / / ___/
//  / /|  /  __/   / /_/ (__  )
// /_/ |_/\___/_/|_\__,_/____/
//
// ──────────────────────────────────────────────────────────────────────────────
// Nexus: A suite of contracts for Modular Smart Accounts compliant with ERC-7579 and ERC-4337, developed by Biconomy.
// Learn more at https://biconomy.io. To report security issues, please contact us at: [email protected]

/// @title Execution Manager Events and Errors Interface
/// @notice Interface for defining events and errors related to transaction execution processes within smart accounts.
/// @dev This interface defines events and errors used by execution manager to handle and report the operational status
/// of
/// smart account transactions.
/// It is a part of the Nexus suite of contracts aimed at implementing flexible and secure smart account operations.
/// @author @livingrockrises | Biconomy | [email protected]
/// @author @aboudjem | Biconomy | [email protected]
/// @author @filmakarov | Biconomy | [email protected]
/// @author @zeroknots | Rhinestone.wtf | zeroknots.eth
/// Special thanks to the Solady team for foundational contributions: https://github.com/Vectorized/solady

import { ExecType } from "../../../lib/erc-7579/ModeLib.sol";

interface IExecutionHelperEventsAndErrors {
    /// @notice Event emitted when a transaction fails to execute successfully.
    event TryExecuteUnsuccessful(bytes callData, bytes result);

    /// @notice Event emitted when a transaction fails to execute successfully.
    event TryDelegateCallUnsuccessful(bytes callData, bytes result);

    /// @notice Error thrown when an execution with an unsupported ExecType was made.
    /// @param execType The unsupported execution type.
    error UnsupportedExecType(ExecType execType);
}

{
  "remappings": [
    "forge-std/=node_modules/forge-std/src/",
    "account-abstraction/=node_modules/account-abstraction/contracts/",
    "solady/=node_modules/solady/src/",
    "sentinellist/=node_modules/@rhinestone/sentinellist/src/",
    "module-bases/=node_modules/@rhinestone/module-bases/src/",
    "erc7739Validator/=node_modules/@erc7579/erc7739-validator-base/src/",
    "EnumerableSet4337/=node_modules/@erc7579/enumerablemap4337/src/",
    "erc7579/=node_modules/@erc7579/implementation/src/",
    "byteslib/=node_modules/solidity-bytes-utils/contracts/",
    "rlp-reader/=node_modules/solidity-rlp/contracts/",
    "murky-trees/=node_modules/murky/src/",
    "solarray/=node_modules/solarray/src/",
    "excessively-safe-call/=node_modules/excessively-safe-call/src/",
    "@ERC4337/=node_modules/@ERC4337/",
    "@erc7579/=node_modules/@erc7579/",
    "@gnosis.pm/=node_modules/@gnosis.pm/",
    "@openzeppelin/=node_modules/@openzeppelin/",
    "@prb/=node_modules/@prb/",
    "@rhinestone/=node_modules/@rhinestone/",
    "@safe-global/=node_modules/@safe-global/",
    "@zerodev/=node_modules/@zerodev/",
    "account-abstraction-v0.6/=node_modules/account-abstraction-v0.6/",
    "ds-test/=node_modules/ds-test/",
    "hardhat-deploy/=node_modules/hardhat-deploy/",
    "hardhat/=node_modules/hardhat/",
    "solidity-bytes-utils/=node_modules/solidity-bytes-utils/",
    "solidity-rlp/=node_modules/solidity-rlp/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 999
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "none",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": true
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[{"internalType":"address","name":"implementation_","type":"address"},{"internalType":"address","name":"owner_","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyInitialized","type":"error"},{"inputs":[],"name":"EthTransferFailed","type":"error"},{"inputs":[],"name":"ImplementationAddressCanNotBeZero","type":"error"},{"inputs":[],"name":"InvalidEntryPointAddress","type":"error"},{"inputs":[],"name":"NewOwnerIsZeroAddress","type":"error"},{"inputs":[],"name":"NoHandoverRequest","type":"error"},{"inputs":[],"name":"Unauthorized","type":"error"},{"inputs":[],"name":"ZeroAddressNotAllowed","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":false,"internalType":"bytes","name":"initData","type":"bytes"},{"indexed":true,"internalType":"bytes32","name":"salt","type":"bytes32"}],"name":"AccountCreated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"OwnershipHandoverCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"OwnershipHandoverRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"ACCOUNT_IMPLEMENTATION","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"epAddress","type":"address"},{"internalType":"uint32","name":"unstakeDelaySec","type":"uint32"}],"name":"addStake","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"cancelOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"pendingOwner","type":"address"}],"name":"completeOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bytes","name":"initData","type":"bytes"},{"internalType":"bytes32","name":"salt","type":"bytes32"}],"name":"computeAccountAddress","outputs":[{"internalType":"address payable","name":"expectedAddress","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes","name":"initData","type":"bytes"},{"internalType":"bytes32","name":"salt","type":"bytes32"}],"name":"createAccount","outputs":[{"internalType":"address payable","name":"","type":"address"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"result","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"pendingOwner","type":"address"}],"name":"ownershipHandoverExpiresAt","outputs":[{"internalType":"uint256","name":"result","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"requestOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"epAddress","type":"address"}],"name":"unlockStake","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"epAddress","type":"address"},{"internalType":"address payable","name":"withdrawAddress","type":"address"}],"name":"withdrawStake","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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00000000000000000000000000000000561dd60aea485cdb26e4618b1e40fd6e000000000000000000000000129443ca2a9dec2020808a2868b38dda457eacc7

-----Decoded View---------------
Arg [0] : implementation_ (address): 0x00000000561Dd60aEa485cDb26E4618B1E40Fd6E
Arg [1] : owner_ (address): 0x129443cA2a9Dec2020808a2868b38dDA457eaCC7

-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 00000000000000000000000000000000561dd60aea485cdb26e4618b1e40fd6e
Arg [1] : 000000000000000000000000129443ca2a9dec2020808a2868b38dda457eacc7