Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/* Library Imports */
import { AddressAliasHelper } from "../../standards/AddressAliasHelper.sol";
import { Lib_AddressResolver } from "../../libraries/resolver/Lib_AddressResolver.sol";
import { Lib_OVMCodec } from "../../libraries/codec/Lib_OVMCodec.sol";
import { Lib_AddressManager } from "../../libraries/resolver/Lib_AddressManager.sol";
import { Lib_SecureMerkleTrie } from "../../libraries/trie/Lib_SecureMerkleTrie.sol";
import { Lib_DefaultValues } from "../../libraries/constants/Lib_DefaultValues.sol";
import { Lib_PredeployAddresses } from "../../libraries/constants/Lib_PredeployAddresses.sol";
import { Lib_CrossDomainUtils } from "../../libraries/bridge/Lib_CrossDomainUtils.sol";

/* Interface Imports */
import { IL1CrossDomainMessenger } from "./IL1CrossDomainMessenger.sol";
import { ICanonicalTransactionChain } from "../rollup/ICanonicalTransactionChain.sol";
import { IStateCommitmentChain } from "../rollup/IStateCommitmentChain.sol";

/* External Imports */
import {
    OwnableUpgradeable
} from "@openzeppelin/contracts-upgradeable/access/OwnableUpgradeable.sol";
import {
    PausableUpgradeable
} from "@openzeppelin/contracts-upgradeable/security/PausableUpgradeable.sol";
import {
    ReentrancyGuardUpgradeable
} from "@openzeppelin/contracts-upgradeable/security/ReentrancyGuardUpgradeable.sol";

/**
 * @title L1CrossDomainMessenger
 * @dev The L1 Cross Domain Messenger contract sends messages from L1 to L2, and relays messages
 * from L2 onto L1. In the event that a message sent from L1 to L2 is rejected for exceeding the L2
 * epoch gas limit, it can be resubmitted via this contract's replay function.
 *
 * Runtime target: EVM
 */
contract L1CrossDomainMessenger is
    IL1CrossDomainMessenger,
    Lib_AddressResolver,
    OwnableUpgradeable,
    PausableUpgradeable,
    ReentrancyGuardUpgradeable
{
    /**********
     * Events *
     **********/

    event MessageBlocked(bytes32 indexed _xDomainCalldataHash);

    event MessageAllowed(bytes32 indexed _xDomainCalldataHash);

    /**********************
     * Contract Variables *
     **********************/

    mapping(bytes32 => bool) public blockedMessages;
    mapping(bytes32 => bool) public relayedMessages;
    mapping(bytes32 => bool) public successfulMessages;

    address internal xDomainMsgSender = Lib_DefaultValues.DEFAULT_XDOMAIN_SENDER;

    /***************
     * Constructor *
     ***************/

    /**
     * This contract is intended to be behind a delegate proxy.
     * We pass the zero address to the address resolver just to satisfy the constructor.
     * We still need to set this value in initialize().
     */
    constructor() Lib_AddressResolver(address(0)) {}

    /********************
     * Public Functions *
     ********************/

    /**
     * @param _libAddressManager Address of the Address Manager.
     */
    function initialize(address _libAddressManager) public initializer {
        require(
            address(libAddressManager) == address(0),
            "L1CrossDomainMessenger already intialized."
        );
        libAddressManager = Lib_AddressManager(_libAddressManager);
        xDomainMsgSender = Lib_DefaultValues.DEFAULT_XDOMAIN_SENDER;

        // Initialize upgradable OZ contracts
        __Context_init_unchained(); // Context is a dependency for both Ownable and Pausable
        __Ownable_init_unchained();
        __Pausable_init_unchained();
        __ReentrancyGuard_init_unchained();
    }

    /**
     * Pause relaying.
     */
    function pause() external onlyOwner {
        _pause();
    }

    /**
     * Block a message.
     * @param _xDomainCalldataHash Hash of the message to block.
     */
    function blockMessage(bytes32 _xDomainCalldataHash) external onlyOwner {
        blockedMessages[_xDomainCalldataHash] = true;
        emit MessageBlocked(_xDomainCalldataHash);
    }

    /**
     * Allow a message.
     * @param _xDomainCalldataHash Hash of the message to block.
     */
    function allowMessage(bytes32 _xDomainCalldataHash) external onlyOwner {
        blockedMessages[_xDomainCalldataHash] = false;
        emit MessageAllowed(_xDomainCalldataHash);
    }

    function xDomainMessageSender() public view returns (address) {
        require(
            xDomainMsgSender != Lib_DefaultValues.DEFAULT_XDOMAIN_SENDER,
            "xDomainMessageSender is not set"
        );
        return xDomainMsgSender;
    }

    /**
     * Sends a cross domain message to the target messenger.
     * @param _target Target contract address.
     * @param _message Message to send to the target.
     * @param _gasLimit Gas limit for the provided message.
     */
    function sendMessage(
        address _target,
        bytes memory _message,
        uint32 _gasLimit
    ) public {
        address ovmCanonicalTransactionChain = resolve("CanonicalTransactionChain");
        // Use the CTC queue length as nonce
        uint40 nonce = ICanonicalTransactionChain(ovmCanonicalTransactionChain).getQueueLength();

        bytes memory xDomainCalldata = Lib_CrossDomainUtils.encodeXDomainCalldata(
            _target,
            msg.sender,
            _message,
            nonce
        );

        _sendXDomainMessage(ovmCanonicalTransactionChain, xDomainCalldata, _gasLimit);

        emit SentMessage(_target, msg.sender, _message, nonce, _gasLimit);
    }

    /**
     * Relays a cross domain message to a contract.
     * @inheritdoc IL1CrossDomainMessenger
     */
    function relayMessage(
        address _target,
        address _sender,
        bytes memory _message,
        uint256 _messageNonce,
        L2MessageInclusionProof memory _proof
    ) public nonReentrant whenNotPaused {
        bytes memory xDomainCalldata = Lib_CrossDomainUtils.encodeXDomainCalldata(
            _target,
            _sender,
            _message,
            _messageNonce
        );

        require(
            _verifyXDomainMessage(xDomainCalldata, _proof) == true,
            "Provided message could not be verified."
        );

        bytes32 xDomainCalldataHash = keccak256(xDomainCalldata);

        require(
            successfulMessages[xDomainCalldataHash] == false,
            "Provided message has already been received."
        );

        require(
            blockedMessages[xDomainCalldataHash] == false,
            "Provided message has been blocked."
        );

        require(
            _target != resolve("CanonicalTransactionChain"),
            "Cannot send L2->L1 messages to L1 system contracts."
        );

        xDomainMsgSender = _sender;
        (bool success, ) = _target.call(_message);
        xDomainMsgSender = Lib_DefaultValues.DEFAULT_XDOMAIN_SENDER;

        // Mark the message as received if the call was successful. Ensures that a message can be
        // relayed multiple times in the case that the call reverted.
        if (success == true) {
            successfulMessages[xDomainCalldataHash] = true;
            emit RelayedMessage(xDomainCalldataHash);
        } else {
            emit FailedRelayedMessage(xDomainCalldataHash);
        }

        // Store an identifier that can be used to prove that the given message was relayed by some
        // user. Gives us an easy way to pay relayers for their work.
        bytes32 relayId = keccak256(abi.encodePacked(xDomainCalldata, msg.sender, block.number));
        relayedMessages[relayId] = true;
    }

    /**
     * Replays a cross domain message to the target messenger.
     * @inheritdoc IL1CrossDomainMessenger
     */
    function replayMessage(
        address _target,
        address _sender,
        bytes memory _message,
        uint256 _queueIndex,
        uint32 _oldGasLimit,
        uint32 _newGasLimit
    ) public {
        // Verify that the message is in the queue:
        address canonicalTransactionChain = resolve("CanonicalTransactionChain");
        Lib_OVMCodec.QueueElement memory element = ICanonicalTransactionChain(
            canonicalTransactionChain
        ).getQueueElement(_queueIndex);

        // Compute the calldata that was originally used to send the message.
        bytes memory xDomainCalldata = Lib_CrossDomainUtils.encodeXDomainCalldata(
            _target,
            _sender,
            _message,
            _queueIndex
        );

        // Compute the transactionHash
        bytes32 transactionHash = keccak256(
            abi.encode(
                AddressAliasHelper.applyL1ToL2Alias(address(this)),
                Lib_PredeployAddresses.L2_CROSS_DOMAIN_MESSENGER,
                _oldGasLimit,
                xDomainCalldata
            )
        );

        // Now check that the provided message data matches the one in the queue element.
        require(
            transactionHash == element.transactionHash,
            "Provided message has not been enqueued."
        );

        // Send the same message but with the new gas limit.
        _sendXDomainMessage(canonicalTransactionChain, xDomainCalldata, _newGasLimit);
    }

    /**********************
     * Internal Functions *
     **********************/

    /**
     * Verifies that the given message is valid.
     * @param _xDomainCalldata Calldata to verify.
     * @param _proof Inclusion proof for the message.
     * @return Whether or not the provided message is valid.
     */
    function _verifyXDomainMessage(
        bytes memory _xDomainCalldata,
        L2MessageInclusionProof memory _proof
    ) internal view returns (bool) {
        return (_verifyStateRootProof(_proof) && _verifyStorageProof(_xDomainCalldata, _proof));
    }

    /**
     * Verifies that the state root within an inclusion proof is valid.
     * @param _proof Message inclusion proof.
     * @return Whether or not the provided proof is valid.
     */
    function _verifyStateRootProof(L2MessageInclusionProof memory _proof)
        internal
        view
        returns (bool)
    {
        IStateCommitmentChain ovmStateCommitmentChain = IStateCommitmentChain(
            resolve("StateCommitmentChain")
        );

        return (ovmStateCommitmentChain.insideFraudProofWindow(_proof.stateRootBatchHeader) ==
            false &&
            ovmStateCommitmentChain.verifyStateCommitment(
                _proof.stateRoot,
                _proof.stateRootBatchHeader,
                _proof.stateRootProof
            ));
    }

    /**
     * Verifies that the storage proof within an inclusion proof is valid.
     * @param _xDomainCalldata Encoded message calldata.
     * @param _proof Message inclusion proof.
     * @return Whether or not the provided proof is valid.
     */
    function _verifyStorageProof(
        bytes memory _xDomainCalldata,
        L2MessageInclusionProof memory _proof
    ) internal view returns (bool) {
        bytes32 storageKey = keccak256(
            abi.encodePacked(
                keccak256(
                    abi.encodePacked(
                        _xDomainCalldata,
                        Lib_PredeployAddresses.L2_CROSS_DOMAIN_MESSENGER
                    )
                ),
                uint256(0)
            )
        );

        (bool exists, bytes memory encodedMessagePassingAccount) = Lib_SecureMerkleTrie.get(
            abi.encodePacked(Lib_PredeployAddresses.L2_TO_L1_MESSAGE_PASSER),
            _proof.stateTrieWitness,
            _proof.stateRoot
        );

        require(
            exists == true,
            "Message passing predeploy has not been initialized or invalid proof provided."
        );

        Lib_OVMCodec.EVMAccount memory account = Lib_OVMCodec.decodeEVMAccount(
            encodedMessagePassingAccount
        );

        return
            Lib_SecureMerkleTrie.verifyInclusionProof(
                abi.encodePacked(storageKey),
                abi.encodePacked(uint8(1)),
                _proof.storageTrieWitness,
                account.storageRoot
            );
    }

    /**
     * Sends a cross domain message.
     * @param _canonicalTransactionChain Address of the CanonicalTransactionChain instance.
     * @param _message Message to send.
     * @param _gasLimit OVM gas limit for the message.
     */
    function _sendXDomainMessage(
        address _canonicalTransactionChain,
        bytes memory _message,
        uint256 _gasLimit
    ) internal {
        ICanonicalTransactionChain(_canonicalTransactionChain).enqueue(
            Lib_PredeployAddresses.L2_CROSS_DOMAIN_MESSENGER,
            _gasLimit,
            _message
        );
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.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.
 *
 * By default, the owner account will be the one that deploys the contract. 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 OwnableUpgradeable is Initializable, ContextUpgradeable {
    address private _owner;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    function __Ownable_init() internal initializer {
        __Context_init_unchained();
        __Ownable_init_unchained();
    }

    function __Ownable_init_unchained() internal initializer {
        _setOwner(_msgSender());
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _setOwner(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 {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @dev This is a base contract to aid in writing upgradeable contracts, or any kind of contract that will be deployed
 * behind a proxy. Since a proxied contract can't have a constructor, it's common to move constructor logic to an
 * external initializer function, usually called `initialize`. It then becomes necessary to protect this initializer
 * function so it can only be called once. The {initializer} modifier provided by this contract will have this effect.
 *
 * TIP: To avoid leaving the proxy in an uninitialized state, the initializer function should be called as early as
 * possible by providing the encoded function call as the `_data` argument to {ERC1967Proxy-constructor}.
 *
 * CAUTION: When used with inheritance, manual care must be taken to not invoke a parent initializer twice, or to ensure
 * that all initializers are idempotent. This is not verified automatically as constructors are by Solidity.
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     */
    bool private _initialized;

    /**
     * @dev Indicates that the contract is in the process of being initialized.
     */
    bool private _initializing;

    /**
     * @dev Modifier to protect an initializer function from being invoked twice.
     */
    modifier initializer() {
        require(_initializing || !_initialized, "Initializable: contract is already initialized");

        bool isTopLevelCall = !_initializing;
        if (isTopLevelCall) {
            _initializing = true;
            _initialized = true;
        }

        _;

        if (isTopLevelCall) {
            _initializing = false;
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../utils/ContextUpgradeable.sol";
import "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module which allows children to implement an emergency stop
 * mechanism that can be triggered by an authorized account.
 *
 * This module is used through inheritance. It will make available the
 * modifiers `whenNotPaused` and `whenPaused`, which can be applied to
 * the functions of your contract. Note that they will not be pausable by
 * simply including this module, only once the modifiers are put in place.
 */
abstract contract PausableUpgradeable is Initializable, ContextUpgradeable {
    /**
     * @dev Emitted when the pause is triggered by `account`.
     */
    event Paused(address account);

    /**
     * @dev Emitted when the pause is lifted by `account`.
     */
    event Unpaused(address account);

    bool private _paused;

    /**
     * @dev Initializes the contract in unpaused state.
     */
    function __Pausable_init() internal initializer {
        __Context_init_unchained();
        __Pausable_init_unchained();
    }

    function __Pausable_init_unchained() internal initializer {
        _paused = false;
    }

    /**
     * @dev Returns true if the contract is paused, and false otherwise.
     */
    function paused() public view virtual returns (bool) {
        return _paused;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is not paused.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    modifier whenNotPaused() {
        require(!paused(), "Pausable: paused");
        _;
    }

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        require(paused(), "Pausable: not paused");
        _;
    }

    /**
     * @dev Triggers stopped state.
     *
     * Requirements:
     *
     * - The contract must not be paused.
     */
    function _pause() internal virtual whenNotPaused {
        _paused = true;
        emit Paused(_msgSender());
    }

    /**
     * @dev Returns to normal state.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    function _unpause() internal virtual whenPaused {
        _paused = false;
        emit Unpaused(_msgSender());
    }
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuardUpgradeable is Initializable {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    function __ReentrancyGuard_init() internal initializer {
        __ReentrancyGuard_init_unchained();
    }

    function __ReentrancyGuard_init_unchained() internal initializer {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and make it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        // On the first call to nonReentrant, _notEntered will be true
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;
import "../proxy/utils/Initializable.sol";

/**
 * @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 ContextUpgradeable is Initializable {
    function __Context_init() internal initializer {
        __Context_init_unchained();
    }

    function __Context_init_unchained() internal initializer {
    }
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }
    uint256[50] private __gap;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../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.
 *
 * By default, the owner account will be the one that deploys the contract. 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;

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

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor() {
        _setOwner(_msgSender());
    }

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

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        _setOwner(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 {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _setOwner(newOwner);
    }

    function _setOwner(address newOwner) private {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @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: MIT
pragma solidity ^0.8.9;

/* Library Imports */
import { Lib_OVMCodec } from "../../libraries/codec/Lib_OVMCodec.sol";

/* Interface Imports */
import { ICrossDomainMessenger } from "../../libraries/bridge/ICrossDomainMessenger.sol";

/**
 * @title IL1CrossDomainMessenger
 */
interface IL1CrossDomainMessenger is ICrossDomainMessenger {
    /*******************
     * Data Structures *
     *******************/

    struct L2MessageInclusionProof {
        bytes32 stateRoot;
        Lib_OVMCodec.ChainBatchHeader stateRootBatchHeader;
        Lib_OVMCodec.ChainInclusionProof stateRootProof;
        bytes stateTrieWitness;
        bytes storageTrieWitness;
    }

    /********************
     * Public Functions *
     ********************/

    /**
     * Relays a cross domain message to a contract.
     * @param _target Target contract address.
     * @param _sender Message sender address.
     * @param _message Message to send to the target.
     * @param _messageNonce Nonce for the provided message.
     * @param _proof Inclusion proof for the given message.
     */
    function relayMessage(
        address _target,
        address _sender,
        bytes memory _message,
        uint256 _messageNonce,
        L2MessageInclusionProof memory _proof
    ) external;

    /**
     * Replays a cross domain message to the target messenger.
     * @param _target Target contract address.
     * @param _sender Original sender address.
     * @param _message Message to send to the target.
     * @param _queueIndex CTC Queue index for the message to replay.
     * @param _oldGasLimit Original gas limit used to send the message.
     * @param _newGasLimit New gas limit to be used for this message.
     */
    function replayMessage(
        address _target,
        address _sender,
        bytes memory _message,
        uint256 _queueIndex,
        uint32 _oldGasLimit,
        uint32 _newGasLimit
    ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity >0.5.0 <0.9.0;

/* Library Imports */
import { Lib_OVMCodec } from "../../libraries/codec/Lib_OVMCodec.sol";

/* Interface Imports */
import { IChainStorageContainer } from "./IChainStorageContainer.sol";

/**
 * @title ICanonicalTransactionChain
 */
interface ICanonicalTransactionChain {
    /**********
     * Events *
     **********/

    event L2GasParamsUpdated(
        uint256 l2GasDiscountDivisor,
        uint256 enqueueGasCost,
        uint256 enqueueL2GasPrepaid
    );

    event TransactionEnqueued(
        address indexed _l1TxOrigin,
        address indexed _target,
        uint256 _gasLimit,
        bytes _data,
        uint256 indexed _queueIndex,
        uint256 _timestamp
    );

    event QueueBatchAppended(
        uint256 _startingQueueIndex,
        uint256 _numQueueElements,
        uint256 _totalElements
    );

    event SequencerBatchAppended(
        uint256 _startingQueueIndex,
        uint256 _numQueueElements,
        uint256 _totalElements
    );

    event TransactionBatchAppended(
        uint256 indexed _batchIndex,
        bytes32 _batchRoot,
        uint256 _batchSize,
        uint256 _prevTotalElements,
        bytes _extraData
    );

    /***********
     * Structs *
     ***********/

    struct BatchContext {
        uint256 numSequencedTransactions;
        uint256 numSubsequentQueueTransactions;
        uint256 timestamp;
        uint256 blockNumber;
    }

    /*******************************
     * Authorized Setter Functions *
     *******************************/

    /**
     * Allows the Burn Admin to update the parameters which determine the amount of gas to burn.
     * The value of enqueueL2GasPrepaid is immediately updated as well.
     */
    function setGasParams(uint256 _l2GasDiscountDivisor, uint256 _enqueueGasCost) external;

    /********************
     * Public Functions *
     ********************/

    /**
     * Accesses the batch storage container.
     * @return Reference to the batch storage container.
     */
    function batches() external view returns (IChainStorageContainer);

    /**
     * Retrieves the total number of elements submitted.
     * @return _totalElements Total submitted elements.
     */
    function getTotalElements() external view returns (uint256 _totalElements);

    /**
     * Retrieves the total number of batches submitted.
     * @return _totalBatches Total submitted batches.
     */
    function getTotalBatches() external view returns (uint256 _totalBatches);

    /**
     * Returns the index of the next element to be enqueued.
     * @return Index for the next queue element.
     */
    function getNextQueueIndex() external view returns (uint40);

    /**
     * Gets the queue element at a particular index.
     * @param _index Index of the queue element to access.
     * @return _element Queue element at the given index.
     */
    function getQueueElement(uint256 _index)
        external
        view
        returns (Lib_OVMCodec.QueueElement memory _element);

    /**
     * Returns the timestamp of the last transaction.
     * @return Timestamp for the last transaction.
     */
    function getLastTimestamp() external view returns (uint40);

    /**
     * Returns the blocknumber of the last transaction.
     * @return Blocknumber for the last transaction.
     */
    function getLastBlockNumber() external view returns (uint40);

    /**
     * Get the number of queue elements which have not yet been included.
     * @return Number of pending queue elements.
     */
    function getNumPendingQueueElements() external view returns (uint40);

    /**
     * Retrieves the length of the queue, including
     * both pending and canonical transactions.
     * @return Length of the queue.
     */
    function getQueueLength() external view returns (uint40);

    /**
     * Adds a transaction to the queue.
     * @param _target Target contract to send the transaction to.
     * @param _gasLimit Gas limit for the given transaction.
     * @param _data Transaction data.
     */
    function enqueue(
        address _target,
        uint256 _gasLimit,
        bytes memory _data
    ) external;

    /**
     * Allows the sequencer to append a batch of transactions.
     * @dev This function uses a custom encoding scheme for efficiency reasons.
     * .param _shouldStartAtElement Specific batch we expect to start appending to.
     * .param _totalElementsToAppend Total number of batch elements we expect to append.
     * .param _contexts Array of batch contexts.
     * .param _transactionDataFields Array of raw transaction data.
     */
    function appendSequencerBatch(
        // uint40 _shouldStartAtElement,
        // uint24 _totalElementsToAppend,
        // BatchContext[] _contexts,
        // bytes[] _transactionDataFields
    ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity >0.5.0 <0.9.0;

/**
 * @title IChainStorageContainer
 */
interface IChainStorageContainer {
    /********************
     * Public Functions *
     ********************/

    /**
     * Sets the container's global metadata field. We're using `bytes27` here because we use five
     * bytes to maintain the length of the underlying data structure, meaning we have an extra
     * 27 bytes to store arbitrary data.
     * @param _globalMetadata New global metadata to set.
     */
    function setGlobalMetadata(bytes27 _globalMetadata) external;

    /**
     * Retrieves the container's global metadata field.
     * @return Container global metadata field.
     */
    function getGlobalMetadata() external view returns (bytes27);

    /**
     * Retrieves the number of objects stored in the container.
     * @return Number of objects in the container.
     */
    function length() external view returns (uint256);

    /**
     * Pushes an object into the container.
     * @param _object A 32 byte value to insert into the container.
     */
    function push(bytes32 _object) external;

    /**
     * Pushes an object into the container. Function allows setting the global metadata since
     * we'll need to touch the "length" storage slot anyway, which also contains the global
     * metadata (it's an optimization).
     * @param _object A 32 byte value to insert into the container.
     * @param _globalMetadata New global metadata for the container.
     */
    function push(bytes32 _object, bytes27 _globalMetadata) external;

    /**
     * Retrieves an object from the container.
     * @param _index Index of the particular object to access.
     * @return 32 byte object value.
     */
    function get(uint256 _index) external view returns (bytes32);

    /**
     * Removes all objects after and including a given index.
     * @param _index Object index to delete from.
     */
    function deleteElementsAfterInclusive(uint256 _index) external;

    /**
     * Removes all objects after and including a given index. Also allows setting the global
     * metadata field.
     * @param _index Object index to delete from.
     * @param _globalMetadata New global metadata for the container.
     */
    function deleteElementsAfterInclusive(uint256 _index, bytes27 _globalMetadata) external;
}

// SPDX-License-Identifier: MIT
pragma solidity >0.5.0 <0.9.0;

/* Library Imports */
import { Lib_OVMCodec } from "../../libraries/codec/Lib_OVMCodec.sol";

/**
 * @title IStateCommitmentChain
 */
interface IStateCommitmentChain {
    /**********
     * Events *
     **********/

    event StateBatchAppended(
        uint256 indexed _batchIndex,
        bytes32 _batchRoot,
        uint256 _batchSize,
        uint256 _prevTotalElements,
        bytes _extraData
    );

    event StateBatchDeleted(uint256 indexed _batchIndex, bytes32 _batchRoot);

    /********************
     * Public Functions *
     ********************/

    /**
     * Retrieves the total number of elements submitted.
     * @return _totalElements Total submitted elements.
     */
    function getTotalElements() external view returns (uint256 _totalElements);

    /**
     * Retrieves the total number of batches submitted.
     * @return _totalBatches Total submitted batches.
     */
    function getTotalBatches() external view returns (uint256 _totalBatches);

    /**
     * Retrieves the timestamp of the last batch submitted by the sequencer.
     * @return _lastSequencerTimestamp Last sequencer batch timestamp.
     */
    function getLastSequencerTimestamp() external view returns (uint256 _lastSequencerTimestamp);

    /**
     * Appends a batch of state roots to the chain.
     * @param _batch Batch of state roots.
     * @param _shouldStartAtElement Index of the element at which this batch should start.
     */
    function appendStateBatch(bytes32[] calldata _batch, uint256 _shouldStartAtElement) external;

    /**
     * Deletes all state roots after (and including) a given batch.
     * @param _batchHeader Header of the batch to start deleting from.
     */
    function deleteStateBatch(Lib_OVMCodec.ChainBatchHeader memory _batchHeader) external;

    /**
     * Verifies a batch inclusion proof.
     * @param _element Hash of the element to verify a proof for.
     * @param _batchHeader Header of the batch in which the element was included.
     * @param _proof Merkle inclusion proof for the element.
     */
    function verifyStateCommitment(
        bytes32 _element,
        Lib_OVMCodec.ChainBatchHeader memory _batchHeader,
        Lib_OVMCodec.ChainInclusionProof memory _proof
    ) external view returns (bool _verified);

    /**
     * Checks whether a given batch is still inside its fraud proof window.
     * @param _batchHeader Header of the batch to check.
     * @return _inside Whether or not the batch is inside the fraud proof window.
     */
    function insideFraudProofWindow(Lib_OVMCodec.ChainBatchHeader memory _batchHeader)
        external
        view
        returns (bool _inside);
}

// SPDX-License-Identifier: MIT
pragma solidity >0.5.0 <0.9.0;

/**
 * @title ICrossDomainMessenger
 */
interface ICrossDomainMessenger {
    /**********
     * Events *
     **********/

    event SentMessage(
        address indexed target,
        address sender,
        bytes message,
        uint256 messageNonce,
        uint256 gasLimit
    );
    event RelayedMessage(bytes32 indexed msgHash);
    event FailedRelayedMessage(bytes32 indexed msgHash);

    /*************
     * Variables *
     *************/

    function xDomainMessageSender() external view returns (address);

    /********************
     * Public Functions *
     ********************/

    /**
     * Sends a cross domain message to the target messenger.
     * @param _target Target contract address.
     * @param _message Message to send to the target.
     * @param _gasLimit Gas limit for the provided message.
     */
    function sendMessage(
        address _target,
        bytes calldata _message,
        uint32 _gasLimit
    ) external;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/* Library Imports */
import { Lib_RLPReader } from "../rlp/Lib_RLPReader.sol";

/**
 * @title Lib_CrossDomainUtils
 */
library Lib_CrossDomainUtils {
    /**
     * Generates the correct cross domain calldata for a message.
     * @param _target Target contract address.
     * @param _sender Message sender address.
     * @param _message Message to send to the target.
     * @param _messageNonce Nonce for the provided message.
     * @return ABI encoded cross domain calldata.
     */
    function encodeXDomainCalldata(
        address _target,
        address _sender,
        bytes memory _message,
        uint256 _messageNonce
    ) internal pure returns (bytes memory) {
        return
            abi.encodeWithSignature(
                "relayMessage(address,address,bytes,uint256)",
                _target,
                _sender,
                _message,
                _messageNonce
            );
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/* Library Imports */
import { Lib_RLPReader } from "../rlp/Lib_RLPReader.sol";
import { Lib_RLPWriter } from "../rlp/Lib_RLPWriter.sol";
import { Lib_BytesUtils } from "../utils/Lib_BytesUtils.sol";
import { Lib_Bytes32Utils } from "../utils/Lib_Bytes32Utils.sol";

/**
 * @title Lib_OVMCodec
 */
library Lib_OVMCodec {
    /*********
     * Enums *
     *********/

    enum QueueOrigin {
        SEQUENCER_QUEUE,
        L1TOL2_QUEUE
    }

    /***********
     * Structs *
     ***********/

    struct EVMAccount {
        uint256 nonce;
        uint256 balance;
        bytes32 storageRoot;
        bytes32 codeHash;
    }

    struct ChainBatchHeader {
        uint256 batchIndex;
        bytes32 batchRoot;
        uint256 batchSize;
        uint256 prevTotalElements;
        bytes extraData;
    }

    struct ChainInclusionProof {
        uint256 index;
        bytes32[] siblings;
    }

    struct Transaction {
        uint256 timestamp;
        uint256 blockNumber;
        QueueOrigin l1QueueOrigin;
        address l1TxOrigin;
        address entrypoint;
        uint256 gasLimit;
        bytes data;
    }

    struct TransactionChainElement {
        bool isSequenced;
        uint256 queueIndex; // QUEUED TX ONLY
        uint256 timestamp; // SEQUENCER TX ONLY
        uint256 blockNumber; // SEQUENCER TX ONLY
        bytes txData; // SEQUENCER TX ONLY
    }

    struct QueueElement {
        bytes32 transactionHash;
        uint40 timestamp;
        uint40 blockNumber;
    }

    /**********************
     * Internal Functions *
     **********************/

    /**
     * Encodes a standard OVM transaction.
     * @param _transaction OVM transaction to encode.
     * @return Encoded transaction bytes.
     */
    function encodeTransaction(Transaction memory _transaction)
        internal
        pure
        returns (bytes memory)
    {
        return
            abi.encodePacked(
                _transaction.timestamp,
                _transaction.blockNumber,
                _transaction.l1QueueOrigin,
                _transaction.l1TxOrigin,
                _transaction.entrypoint,
                _transaction.gasLimit,
                _transaction.data
            );
    }

    /**
     * Hashes a standard OVM transaction.
     * @param _transaction OVM transaction to encode.
     * @return Hashed transaction
     */
    function hashTransaction(Transaction memory _transaction) internal pure returns (bytes32) {
        return keccak256(encodeTransaction(_transaction));
    }

    /**
     * @notice Decodes an RLP-encoded account state into a useful struct.
     * @param _encoded RLP-encoded account state.
     * @return Account state struct.
     */
    function decodeEVMAccount(bytes memory _encoded) internal pure returns (EVMAccount memory) {
        Lib_RLPReader.RLPItem[] memory accountState = Lib_RLPReader.readList(_encoded);

        return
            EVMAccount({
                nonce: Lib_RLPReader.readUint256(accountState[0]),
                balance: Lib_RLPReader.readUint256(accountState[1]),
                storageRoot: Lib_RLPReader.readBytes32(accountState[2]),
                codeHash: Lib_RLPReader.readBytes32(accountState[3])
            });
    }

    /**
     * Calculates a hash for a given batch header.
     * @param _batchHeader Header to hash.
     * @return Hash of the header.
     */
    function hashBatchHeader(Lib_OVMCodec.ChainBatchHeader memory _batchHeader)
        internal
        pure
        returns (bytes32)
    {
        return
            keccak256(
                abi.encode(
                    _batchHeader.batchRoot,
                    _batchHeader.batchSize,
                    _batchHeader.prevTotalElements,
                    _batchHeader.extraData
                )
            );
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/**
 * @title Lib_DefaultValues
 */
library Lib_DefaultValues {
    // The default x-domain message sender being set to a non-zero value makes
    // deployment a bit more expensive, but in exchange the refund on every call to
    // `relayMessage` by the L1 and L2 messengers will be higher.
    address internal constant DEFAULT_XDOMAIN_SENDER = 0x000000000000000000000000000000000000dEaD;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/**
 * @title Lib_PredeployAddresses
 */
library Lib_PredeployAddresses {
    address internal constant L2_TO_L1_MESSAGE_PASSER = 0x4200000000000000000000000000000000000000;
    address internal constant L1_MESSAGE_SENDER = 0x4200000000000000000000000000000000000001;
    address internal constant DEPLOYER_WHITELIST = 0x4200000000000000000000000000000000000002;
    address payable internal constant OVM_ETH = payable(0xDeadDeAddeAddEAddeadDEaDDEAdDeaDDeAD0000);
    address internal constant L2_CROSS_DOMAIN_MESSENGER =
        0x4200000000000000000000000000000000000007;
    address internal constant LIB_ADDRESS_MANAGER = 0x4200000000000000000000000000000000000008;
    address internal constant PROXY_EOA = 0x4200000000000000000000000000000000000009;
    address internal constant L2_STANDARD_BRIDGE = 0x4200000000000000000000000000000000000010;
    address internal constant SEQUENCER_FEE_WALLET = 0x4200000000000000000000000000000000000011;
    address internal constant L2_STANDARD_TOKEN_FACTORY =
        0x4200000000000000000000000000000000000012;
    address internal constant L1_BLOCK_NUMBER = 0x4200000000000000000000000000000000000013;
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/* External Imports */
import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";

/**
 * @title Lib_AddressManager
 */
contract Lib_AddressManager is Ownable {
    /**********
     * Events *
     **********/

    event AddressSet(string indexed _name, address _newAddress, address _oldAddress);

    /*************
     * Variables *
     *************/

    mapping(bytes32 => address) private addresses;

    /********************
     * Public Functions *
     ********************/

    /**
     * Changes the address associated with a particular name.
     * @param _name String name to associate an address with.
     * @param _address Address to associate with the name.
     */
    function setAddress(string memory _name, address _address) external onlyOwner {
        bytes32 nameHash = _getNameHash(_name);
        address oldAddress = addresses[nameHash];
        addresses[nameHash] = _address;

        emit AddressSet(_name, _address, oldAddress);
    }

    /**
     * Retrieves the address associated with a given name.
     * @param _name Name to retrieve an address for.
     * @return Address associated with the given name.
     */
    function getAddress(string memory _name) external view returns (address) {
        return addresses[_getNameHash(_name)];
    }

    /**********************
     * Internal Functions *
     **********************/

    /**
     * Computes the hash of a name.
     * @param _name Name to compute a hash for.
     * @return Hash of the given name.
     */
    function _getNameHash(string memory _name) internal pure returns (bytes32) {
        return keccak256(abi.encodePacked(_name));
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/* Library Imports */
import { Lib_AddressManager } from "./Lib_AddressManager.sol";

/**
 * @title Lib_AddressResolver
 */
abstract contract Lib_AddressResolver {
    /*************
     * Variables *
     *************/

    Lib_AddressManager public libAddressManager;

    /***************
     * Constructor *
     ***************/

    /**
     * @param _libAddressManager Address of the Lib_AddressManager.
     */
    constructor(address _libAddressManager) {
        libAddressManager = Lib_AddressManager(_libAddressManager);
    }

    /********************
     * Public Functions *
     ********************/

    /**
     * Resolves the address associated with a given name.
     * @param _name Name to resolve an address for.
     * @return Address associated with the given name.
     */
    function resolve(string memory _name) public view returns (address) {
        return libAddressManager.getAddress(_name);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/**
 * @title Lib_RLPReader
 * @dev Adapted from "RLPReader" by Hamdi Allam (hamdi.allam97@gmail.com).
 */
library Lib_RLPReader {
    /*************
     * Constants *
     *************/

    uint256 internal constant MAX_LIST_LENGTH = 32;

    /*********
     * Enums *
     *********/

    enum RLPItemType {
        DATA_ITEM,
        LIST_ITEM
    }

    /***********
     * Structs *
     ***********/

    struct RLPItem {
        uint256 length;
        uint256 ptr;
    }

    /**********************
     * Internal Functions *
     **********************/

    /**
     * Converts bytes to a reference to memory position and length.
     * @param _in Input bytes to convert.
     * @return Output memory reference.
     */
    function toRLPItem(bytes memory _in) internal pure returns (RLPItem memory) {
        uint256 ptr;
        assembly {
            ptr := add(_in, 32)
        }

        return RLPItem({ length: _in.length, ptr: ptr });
    }

    /**
     * Reads an RLP list value into a list of RLP items.
     * @param _in RLP list value.
     * @return Decoded RLP list items.
     */
    function readList(RLPItem memory _in) internal pure returns (RLPItem[] memory) {
        (uint256 listOffset, , RLPItemType itemType) = _decodeLength(_in);

        require(itemType == RLPItemType.LIST_ITEM, "Invalid RLP list value.");

        // Solidity in-memory arrays can't be increased in size, but *can* be decreased in size by
        // writing to the length. Since we can't know the number of RLP items without looping over
        // the entire input, we'd have to loop twice to accurately size this array. It's easier to
        // simply set a reasonable maximum list length and decrease the size before we finish.
        RLPItem[] memory out = new RLPItem[](MAX_LIST_LENGTH);

        uint256 itemCount = 0;
        uint256 offset = listOffset;
        while (offset < _in.length) {
            require(itemCount < MAX_LIST_LENGTH, "Provided RLP list exceeds max list length.");

            (uint256 itemOffset, uint256 itemLength, ) = _decodeLength(
                RLPItem({ length: _in.length - offset, ptr: _in.ptr + offset })
            );

            out[itemCount] = RLPItem({ length: itemLength + itemOffset, ptr: _in.ptr + offset });

            itemCount += 1;
            offset += itemOffset + itemLength;
        }

        // Decrease the array size to match the actual item count.
        assembly {
            mstore(out, itemCount)
        }

        return out;
    }

    /**
     * Reads an RLP list value into a list of RLP items.
     * @param _in RLP list value.
     * @return Decoded RLP list items.
     */
    function readList(bytes memory _in) internal pure returns (RLPItem[] memory) {
        return readList(toRLPItem(_in));
    }

    /**
     * Reads an RLP bytes value into bytes.
     * @param _in RLP bytes value.
     * @return Decoded bytes.
     */
    function readBytes(RLPItem memory _in) internal pure returns (bytes memory) {
        (uint256 itemOffset, uint256 itemLength, RLPItemType itemType) = _decodeLength(_in);

        require(itemType == RLPItemType.DATA_ITEM, "Invalid RLP bytes value.");

        return _copy(_in.ptr, itemOffset, itemLength);
    }

    /**
     * Reads an RLP bytes value into bytes.
     * @param _in RLP bytes value.
     * @return Decoded bytes.
     */
    function readBytes(bytes memory _in) internal pure returns (bytes memory) {
        return readBytes(toRLPItem(_in));
    }

    /**
     * Reads an RLP string value into a string.
     * @param _in RLP string value.
     * @return Decoded string.
     */
    function readString(RLPItem memory _in) internal pure returns (string memory) {
        return string(readBytes(_in));
    }

    /**
     * Reads an RLP string value into a string.
     * @param _in RLP string value.
     * @return Decoded string.
     */
    function readString(bytes memory _in) internal pure returns (string memory) {
        return readString(toRLPItem(_in));
    }

    /**
     * Reads an RLP bytes32 value into a bytes32.
     * @param _in RLP bytes32 value.
     * @return Decoded bytes32.
     */
    function readBytes32(RLPItem memory _in) internal pure returns (bytes32) {
        require(_in.length <= 33, "Invalid RLP bytes32 value.");

        (uint256 itemOffset, uint256 itemLength, RLPItemType itemType) = _decodeLength(_in);

        require(itemType == RLPItemType.DATA_ITEM, "Invalid RLP bytes32 value.");

        uint256 ptr = _in.ptr + itemOffset;
        bytes32 out;
        assembly {
            out := mload(ptr)

            // Shift the bytes over to match the item size.
            if lt(itemLength, 32) {
                out := div(out, exp(256, sub(32, itemLength)))
            }
        }

        return out;
    }

    /**
     * Reads an RLP bytes32 value into a bytes32.
     * @param _in RLP bytes32 value.
     * @return Decoded bytes32.
     */
    function readBytes32(bytes memory _in) internal pure returns (bytes32) {
        return readBytes32(toRLPItem(_in));
    }

    /**
     * Reads an RLP uint256 value into a uint256.
     * @param _in RLP uint256 value.
     * @return Decoded uint256.
     */
    function readUint256(RLPItem memory _in) internal pure returns (uint256) {
        return uint256(readBytes32(_in));
    }

    /**
     * Reads an RLP uint256 value into a uint256.
     * @param _in RLP uint256 value.
     * @return Decoded uint256.
     */
    function readUint256(bytes memory _in) internal pure returns (uint256) {
        return readUint256(toRLPItem(_in));
    }

    /**
     * Reads an RLP bool value into a bool.
     * @param _in RLP bool value.
     * @return Decoded bool.
     */
    function readBool(RLPItem memory _in) internal pure returns (bool) {
        require(_in.length == 1, "Invalid RLP boolean value.");

        uint256 ptr = _in.ptr;
        uint256 out;
        assembly {
            out := byte(0, mload(ptr))
        }

        require(out == 0 || out == 1, "Lib_RLPReader: Invalid RLP boolean value, must be 0 or 1");

        return out != 0;
    }

    /**
     * Reads an RLP bool value into a bool.
     * @param _in RLP bool value.
     * @return Decoded bool.
     */
    function readBool(bytes memory _in) internal pure returns (bool) {
        return readBool(toRLPItem(_in));
    }

    /**
     * Reads an RLP address value into a address.
     * @param _in RLP address value.
     * @return Decoded address.
     */
    function readAddress(RLPItem memory _in) internal pure returns (address) {
        if (_in.length == 1) {
            return address(0);
        }

        require(_in.length == 21, "Invalid RLP address value.");

        return address(uint160(readUint256(_in)));
    }

    /**
     * Reads an RLP address value into a address.
     * @param _in RLP address value.
     * @return Decoded address.
     */
    function readAddress(bytes memory _in) internal pure returns (address) {
        return readAddress(toRLPItem(_in));
    }

    /**
     * Reads the raw bytes of an RLP item.
     * @param _in RLP item to read.
     * @return Raw RLP bytes.
     */
    function readRawBytes(RLPItem memory _in) internal pure returns (bytes memory) {
        return _copy(_in);
    }

    /*********************
     * Private Functions *
     *********************/

    /**
     * Decodes the length of an RLP item.
     * @param _in RLP item to decode.
     * @return Offset of the encoded data.
     * @return Length of the encoded data.
     * @return RLP item type (LIST_ITEM or DATA_ITEM).
     */
    function _decodeLength(RLPItem memory _in)
        private
        pure
        returns (
            uint256,
            uint256,
            RLPItemType
        )
    {
        require(_in.length > 0, "RLP item cannot be null.");

        uint256 ptr = _in.ptr;
        uint256 prefix;
        assembly {
            prefix := byte(0, mload(ptr))
        }

        if (prefix <= 0x7f) {
            // Single byte.

            return (0, 1, RLPItemType.DATA_ITEM);
        } else if (prefix <= 0xb7) {
            // Short string.

            uint256 strLen = prefix - 0x80;

            require(_in.length > strLen, "Invalid RLP short string.");

            return (1, strLen, RLPItemType.DATA_ITEM);
        } else if (prefix <= 0xbf) {
            // Long string.
            uint256 lenOfStrLen = prefix - 0xb7;

            require(_in.length > lenOfStrLen, "Invalid RLP long string length.");

            uint256 strLen;
            assembly {
                // Pick out the string length.
                strLen := div(mload(add(ptr, 1)), exp(256, sub(32, lenOfStrLen)))
            }

            require(_in.length > lenOfStrLen + strLen, "Invalid RLP long string.");

            return (1 + lenOfStrLen, strLen, RLPItemType.DATA_ITEM);
        } else if (prefix <= 0xf7) {
            // Short list.
            uint256 listLen = prefix - 0xc0;

            require(_in.length > listLen, "Invalid RLP short list.");

            return (1, listLen, RLPItemType.LIST_ITEM);
        } else {
            // Long list.
            uint256 lenOfListLen = prefix - 0xf7;

            require(_in.length > lenOfListLen, "Invalid RLP long list length.");

            uint256 listLen;
            assembly {
                // Pick out the list length.
                listLen := div(mload(add(ptr, 1)), exp(256, sub(32, lenOfListLen)))
            }

            require(_in.length > lenOfListLen + listLen, "Invalid RLP long list.");

            return (1 + lenOfListLen, listLen, RLPItemType.LIST_ITEM);
        }
    }

    /**
     * Copies the bytes from a memory location.
     * @param _src Pointer to the location to read from.
     * @param _offset Offset to start reading from.
     * @param _length Number of bytes to read.
     * @return Copied bytes.
     */
    function _copy(
        uint256 _src,
        uint256 _offset,
        uint256 _length
    ) private pure returns (bytes memory) {
        bytes memory out = new bytes(_length);
        if (out.length == 0) {
            return out;
        }

        uint256 src = _src + _offset;
        uint256 dest;
        assembly {
            dest := add(out, 32)
        }

        // Copy over as many complete words as we can.
        for (uint256 i = 0; i < _length / 32; i++) {
            assembly {
                mstore(dest, mload(src))
            }

            src += 32;
            dest += 32;
        }

        // Pick out the remaining bytes.
        uint256 mask;
        unchecked {
            mask = 256**(32 - (_length % 32)) - 1;
        }

        assembly {
            mstore(dest, or(and(mload(src), not(mask)), and(mload(dest), mask)))
        }
        return out;
    }

    /**
     * Copies an RLP item into bytes.
     * @param _in RLP item to copy.
     * @return Copied bytes.
     */
    function _copy(RLPItem memory _in) private pure returns (bytes memory) {
        return _copy(_in.ptr, 0, _in.length);
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/**
 * @title Lib_RLPWriter
 * @author Bakaoh (with modifications)
 */
library Lib_RLPWriter {
    /**********************
     * Internal Functions *
     **********************/

    /**
     * RLP encodes a byte string.
     * @param _in The byte string to encode.
     * @return The RLP encoded string in bytes.
     */
    function writeBytes(bytes memory _in) internal pure returns (bytes memory) {
        bytes memory encoded;

        if (_in.length == 1 && uint8(_in[0]) < 128) {
            encoded = _in;
        } else {
            encoded = abi.encodePacked(_writeLength(_in.length, 128), _in);
        }

        return encoded;
    }

    /**
     * RLP encodes a list of RLP encoded byte byte strings.
     * @param _in The list of RLP encoded byte strings.
     * @return The RLP encoded list of items in bytes.
     */
    function writeList(bytes[] memory _in) internal pure returns (bytes memory) {
        bytes memory list = _flatten(_in);
        return abi.encodePacked(_writeLength(list.length, 192), list);
    }

    /**
     * RLP encodes a string.
     * @param _in The string to encode.
     * @return The RLP encoded string in bytes.
     */
    function writeString(string memory _in) internal pure returns (bytes memory) {
        return writeBytes(bytes(_in));
    }

    /**
     * RLP encodes an address.
     * @param _in The address to encode.
     * @return The RLP encoded address in bytes.
     */
    function writeAddress(address _in) internal pure returns (bytes memory) {
        return writeBytes(abi.encodePacked(_in));
    }

    /**
     * RLP encodes a uint.
     * @param _in The uint256 to encode.
     * @return The RLP encoded uint256 in bytes.
     */
    function writeUint(uint256 _in) internal pure returns (bytes memory) {
        return writeBytes(_toBinary(_in));
    }

    /**
     * RLP encodes a bool.
     * @param _in The bool to encode.
     * @return The RLP encoded bool in bytes.
     */
    function writeBool(bool _in) internal pure returns (bytes memory) {
        bytes memory encoded = new bytes(1);
        encoded[0] = (_in ? bytes1(0x01) : bytes1(0x80));
        return encoded;
    }

    /*********************
     * Private Functions *
     *********************/

    /**
     * Encode the first byte, followed by the `len` in binary form if `length` is more than 55.
     * @param _len The length of the string or the payload.
     * @param _offset 128 if item is string, 192 if item is list.
     * @return RLP encoded bytes.
     */
    function _writeLength(uint256 _len, uint256 _offset) private pure returns (bytes memory) {
        bytes memory encoded;

        if (_len < 56) {
            encoded = new bytes(1);
            encoded[0] = bytes1(uint8(_len) + uint8(_offset));
        } else {
            uint256 lenLen;
            uint256 i = 1;
            while (_len / i != 0) {
                lenLen++;
                i *= 256;
            }

            encoded = new bytes(lenLen + 1);
            encoded[0] = bytes1(uint8(lenLen) + uint8(_offset) + 55);
            for (i = 1; i <= lenLen; i++) {
                encoded[i] = bytes1(uint8((_len / (256**(lenLen - i))) % 256));
            }
        }

        return encoded;
    }

    /**
     * Encode integer in big endian binary form with no leading zeroes.
     * @notice TODO: This should be optimized with assembly to save gas costs.
     * @param _x The integer to encode.
     * @return RLP encoded bytes.
     */
    function _toBinary(uint256 _x) private pure returns (bytes memory) {
        bytes memory b = abi.encodePacked(_x);

        uint256 i = 0;
        for (; i < 32; i++) {
            if (b[i] != 0) {
                break;
            }
        }

        bytes memory res = new bytes(32 - i);
        for (uint256 j = 0; j < res.length; j++) {
            res[j] = b[i++];
        }

        return res;
    }

    /**
     * Copies a piece of memory to another location.
     * @notice From: https://github.com/Arachnid/solidity-stringutils/blob/master/src/strings.sol.
     * @param _dest Destination location.
     * @param _src Source location.
     * @param _len Length of memory to copy.
     */
    function _memcpy(
        uint256 _dest,
        uint256 _src,
        uint256 _len
    ) private pure {
        uint256 dest = _dest;
        uint256 src = _src;
        uint256 len = _len;

        for (; len >= 32; len -= 32) {
            assembly {
                mstore(dest, mload(src))
            }
            dest += 32;
            src += 32;
        }

        uint256 mask;
        unchecked {
            mask = 256**(32 - len) - 1;
        }
        assembly {
            let srcpart := and(mload(src), not(mask))
            let destpart := and(mload(dest), mask)
            mstore(dest, or(destpart, srcpart))
        }
    }

    /**
     * Flattens a list of byte strings into one byte string.
     * @notice From: https://github.com/sammayo/solidity-rlp-encoder/blob/master/RLPEncode.sol.
     * @param _list List of byte strings to flatten.
     * @return The flattened byte string.
     */
    function _flatten(bytes[] memory _list) private pure returns (bytes memory) {
        if (_list.length == 0) {
            return new bytes(0);
        }

        uint256 len;
        uint256 i = 0;
        for (; i < _list.length; i++) {
            len += _list[i].length;
        }

        bytes memory flattened = new bytes(len);
        uint256 flattenedPtr;
        assembly {
            flattenedPtr := add(flattened, 0x20)
        }

        for (i = 0; i < _list.length; i++) {
            bytes memory item = _list[i];

            uint256 listPtr;
            assembly {
                listPtr := add(item, 0x20)
            }

            _memcpy(flattenedPtr, listPtr, item.length);
            flattenedPtr += _list[i].length;
        }

        return flattened;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/* Library Imports */
import { Lib_BytesUtils } from "../utils/Lib_BytesUtils.sol";
import { Lib_RLPReader } from "../rlp/Lib_RLPReader.sol";
import { Lib_RLPWriter } from "../rlp/Lib_RLPWriter.sol";

/**
 * @title Lib_MerkleTrie
 */
library Lib_MerkleTrie {
    /*******************
     * Data Structures *
     *******************/

    enum NodeType {
        BranchNode,
        ExtensionNode,
        LeafNode
    }

    struct TrieNode {
        bytes encoded;
        Lib_RLPReader.RLPItem[] decoded;
    }

    /**********************
     * Contract Constants *
     **********************/

    // TREE_RADIX determines the number of elements per branch node.
    uint256 constant TREE_RADIX = 16;
    // Branch nodes have TREE_RADIX elements plus an additional `value` slot.
    uint256 constant BRANCH_NODE_LENGTH = TREE_RADIX + 1;
    // Leaf nodes and extension nodes always have two elements, a `path` and a `value`.
    uint256 constant LEAF_OR_EXTENSION_NODE_LENGTH = 2;

    // Prefixes are prepended to the `path` within a leaf or extension node and
    // allow us to differentiate between the two node types. `ODD` or `EVEN` is
    // determined by the number of nibbles within the unprefixed `path`. If the
    // number of nibbles if even, we need to insert an extra padding nibble so
    // the resulting prefixed `path` has an even number of nibbles.
    uint8 constant PREFIX_EXTENSION_EVEN = 0;
    uint8 constant PREFIX_EXTENSION_ODD = 1;
    uint8 constant PREFIX_LEAF_EVEN = 2;
    uint8 constant PREFIX_LEAF_ODD = 3;

    // Just a utility constant. RLP represents `NULL` as 0x80.
    bytes1 constant RLP_NULL = bytes1(0x80);
    bytes constant RLP_NULL_BYTES = hex"80";
    bytes32 internal constant KECCAK256_RLP_NULL_BYTES = keccak256(RLP_NULL_BYTES);

    /**********************
     * Internal Functions *
     **********************/

    /**
     * @notice Verifies a proof that a given key/value pair is present in the
     * Merkle trie.
     * @param _key Key of the node to search for, as a hex string.
     * @param _value Value of the node to search for, as a hex string.
     * @param _proof Merkle trie inclusion proof for the desired node. Unlike
     * traditional Merkle trees, this proof is executed top-down and consists
     * of a list of RLP-encoded nodes that make a path down to the target node.
     * @param _root Known root of the Merkle trie. Used to verify that the
     * included proof is correctly constructed.
     * @return _verified `true` if the k/v pair exists in the trie, `false` otherwise.
     */
    function verifyInclusionProof(
        bytes memory _key,
        bytes memory _value,
        bytes memory _proof,
        bytes32 _root
    ) internal pure returns (bool _verified) {
        (bool exists, bytes memory value) = get(_key, _proof, _root);

        return (exists && Lib_BytesUtils.equal(_value, value));
    }

    /**
     * @notice Updates a Merkle trie and returns a new root hash.
     * @param _key Key of the node to update, as a hex string.
     * @param _value Value of the node to update, as a hex string.
     * @param _proof Merkle trie inclusion proof for the node *nearest* the
     * target node. If the key exists, we can simply update the value.
     * Otherwise, we need to modify the trie to handle the new k/v pair.
     * @param _root Known root of the Merkle trie. Used to verify that the
     * included proof is correctly constructed.
     * @return _updatedRoot Root hash of the newly constructed trie.
     */
    function update(
        bytes memory _key,
        bytes memory _value,
        bytes memory _proof,
        bytes32 _root
    ) internal pure returns (bytes32 _updatedRoot) {
        // Special case when inserting the very first node.
        if (_root == KECCAK256_RLP_NULL_BYTES) {
            return getSingleNodeRootHash(_key, _value);
        }

        TrieNode[] memory proof = _parseProof(_proof);
        (uint256 pathLength, bytes memory keyRemainder, ) = _walkNodePath(proof, _key, _root);
        TrieNode[] memory newPath = _getNewPath(proof, pathLength, _key, keyRemainder, _value);

        return _getUpdatedTrieRoot(newPath, _key);
    }

    /**
     * @notice Retrieves the value associated with a given key.
     * @param _key Key to search for, as hex bytes.
     * @param _proof Merkle trie inclusion proof for the key.
     * @param _root Known root of the Merkle trie.
     * @return _exists Whether or not the key exists.
     * @return _value Value of the key if it exists.
     */
    function get(
        bytes memory _key,
        bytes memory _proof,
        bytes32 _root
    ) internal pure returns (bool _exists, bytes memory _value) {
        TrieNode[] memory proof = _parseProof(_proof);
        (uint256 pathLength, bytes memory keyRemainder, bool isFinalNode) = _walkNodePath(
            proof,
            _key,
            _root
        );

        bool exists = keyRemainder.length == 0;

        require(exists || isFinalNode, "Provided proof is invalid.");

        bytes memory value = exists ? _getNodeValue(proof[pathLength - 1]) : bytes("");

        return (exists, value);
    }

    /**
     * Computes the root hash for a trie with a single node.
     * @param _key Key for the single node.
     * @param _value Value for the single node.
     * @return _updatedRoot Hash of the trie.
     */
    function getSingleNodeRootHash(bytes memory _key, bytes memory _value)
        internal
        pure
        returns (bytes32 _updatedRoot)
    {
        return keccak256(_makeLeafNode(Lib_BytesUtils.toNibbles(_key), _value).encoded);
    }

    /*********************
     * Private Functions *
     *********************/

    /**
     * @notice Walks through a proof using a provided key.
     * @param _proof Inclusion proof to walk through.
     * @param _key Key to use for the walk.
     * @param _root Known root of the trie.
     * @return _pathLength Length of the final path
     * @return _keyRemainder Portion of the key remaining after the walk.
     * @return _isFinalNode Whether or not we've hit a dead end.
     */
    function _walkNodePath(
        TrieNode[] memory _proof,
        bytes memory _key,
        bytes32 _root
    )
        private
        pure
        returns (
            uint256 _pathLength,
            bytes memory _keyRemainder,
            bool _isFinalNode
        )
    {
        uint256 pathLength = 0;
        bytes memory key = Lib_BytesUtils.toNibbles(_key);

        bytes32 currentNodeID = _root;
        uint256 currentKeyIndex = 0;
        uint256 currentKeyIncrement = 0;
        TrieNode memory currentNode;

        // Proof is top-down, so we start at the first element (root).
        for (uint256 i = 0; i < _proof.length; i++) {
            currentNode = _proof[i];
            currentKeyIndex += currentKeyIncrement;

            // Keep track of the proof elements we actually need.
            // It's expensive to resize arrays, so this simply reduces gas costs.
            pathLength += 1;

            if (currentKeyIndex == 0) {
                // First proof element is always the root node.
                require(keccak256(currentNode.encoded) == currentNodeID, "Invalid root hash");
            } else if (currentNode.encoded.length >= 32) {
                // Nodes 32 bytes or larger are hashed inside branch nodes.
                require(
                    keccak256(currentNode.encoded) == currentNodeID,
                    "Invalid large internal hash"
                );
            } else {
                // Nodes smaller than 31 bytes aren't hashed.
                require(
                    Lib_BytesUtils.toBytes32(currentNode.encoded) == currentNodeID,
                    "Invalid internal node hash"
                );
            }

            if (currentNode.decoded.length == BRANCH_NODE_LENGTH) {
                if (currentKeyIndex == key.length) {
                    // We've hit the end of the key
                    // meaning the value should be within this branch node.
                    break;
                } else {
                    // We're not at the end of the key yet.
                    // Figure out what the next node ID should be and continue.
                    uint8 branchKey = uint8(key[currentKeyIndex]);
                    Lib_RLPReader.RLPItem memory nextNode = currentNode.decoded[branchKey];
                    currentNodeID = _getNodeID(nextNode);
                    currentKeyIncrement = 1;
                    continue;
                }
            } else if (currentNode.decoded.length == LEAF_OR_EXTENSION_NODE_LENGTH) {
                bytes memory path = _getNodePath(currentNode);
                uint8 prefix = uint8(path[0]);
                uint8 offset = 2 - (prefix % 2);
                bytes memory pathRemainder = Lib_BytesUtils.slice(path, offset);
                bytes memory keyRemainder = Lib_BytesUtils.slice(key, currentKeyIndex);
                uint256 sharedNibbleLength = _getSharedNibbleLength(pathRemainder, keyRemainder);

                if (prefix == PREFIX_LEAF_EVEN || prefix == PREFIX_LEAF_ODD) {
                    if (
                        pathRemainder.length == sharedNibbleLength &&
                        keyRemainder.length == sharedNibbleLength
                    ) {
                        // The key within this leaf matches our key exactly.
                        // Increment the key index to reflect that we have no remainder.
                        currentKeyIndex += sharedNibbleLength;
                    }

                    // We've hit a leaf node, so our next node should be NULL.
                    currentNodeID = bytes32(RLP_NULL);
                    break;
                } else if (prefix == PREFIX_EXTENSION_EVEN || prefix == PREFIX_EXTENSION_ODD) {
                    if (sharedNibbleLength != pathRemainder.length) {
                        // Our extension node is not identical to the remainder.
                        // We've hit the end of this path
                        // updates will need to modify this extension.
                        currentNodeID = bytes32(RLP_NULL);
                        break;
                    } else {
                        // Our extension shares some nibbles.
                        // Carry on to the next node.
                        currentNodeID = _getNodeID(currentNode.decoded[1]);
                        currentKeyIncrement = sharedNibbleLength;
                        continue;
                    }
                } else {
                    revert("Received a node with an unknown prefix");
                }
            } else {
                revert("Received an unparseable node.");
            }
        }

        // If our node ID is NULL, then we're at a dead end.
        bool isFinalNode = currentNodeID == bytes32(RLP_NULL);
        return (pathLength, Lib_BytesUtils.slice(key, currentKeyIndex), isFinalNode);
    }

    /**
     * @notice Creates new nodes to support a k/v pair insertion into a given Merkle trie path.
     * @param _path Path to the node nearest the k/v pair.
     * @param _pathLength Length of the path. Necessary because the provided path may include
     *  additional nodes (e.g., it comes directly from a proof) and we can't resize in-memory
     *  arrays without costly duplication.
     * @param _key Full original key.
     * @param _keyRemainder Portion of the initial key that must be inserted into the trie.
     * @param _value Value to insert at the given key.
     * @return _newPath A new path with the inserted k/v pair and extra supporting nodes.
     */
    function _getNewPath(
        TrieNode[] memory _path,
        uint256 _pathLength,
        bytes memory _key,
        bytes memory _keyRemainder,
        bytes memory _value
    ) private pure returns (TrieNode[] memory _newPath) {
        bytes memory keyRemainder = _keyRemainder;

        // Most of our logic depends on the status of the last node in the path.
        TrieNode memory lastNode = _path[_pathLength - 1];
        NodeType lastNodeType = _getNodeType(lastNode);

        // Create an array for newly created nodes.
        // We need up to three new nodes, depending on the contents of the last node.
        // Since array resizing is expensive, we'll keep track of the size manually.
        // We're using an explicit `totalNewNodes += 1` after insertions for clarity.
        TrieNode[] memory newNodes = new TrieNode[](3);
        uint256 totalNewNodes = 0;

        // solhint-disable-next-line max-line-length
        // Reference: https://github.com/ethereumjs/merkle-patricia-tree/blob/c0a10395aab37d42c175a47114ebfcbd7efcf059/src/baseTrie.ts#L294-L313
        bool matchLeaf = false;
        if (lastNodeType == NodeType.LeafNode) {
            uint256 l = 0;
            if (_path.length > 0) {
                for (uint256 i = 0; i < _path.length - 1; i++) {
                    if (_getNodeType(_path[i]) == NodeType.BranchNode) {
                        l++;
                    } else {
                        l += _getNodeKey(_path[i]).length;
                    }
                }
            }

            if (
                _getSharedNibbleLength(
                    _getNodeKey(lastNode),
                    Lib_BytesUtils.slice(Lib_BytesUtils.toNibbles(_key), l)
                ) ==
                _getNodeKey(lastNode).length &&
                keyRemainder.length == 0
            ) {
                matchLeaf = true;
            }
        }

        if (matchLeaf) {
            // We've found a leaf node with the given key.
            // Simply need to update the value of the node to match.
            newNodes[totalNewNodes] = _makeLeafNode(_getNodeKey(lastNode), _value);
            totalNewNodes += 1;
        } else if (lastNodeType == NodeType.BranchNode) {
            if (keyRemainder.length == 0) {
                // We've found a branch node with the given key.
                // Simply need to update the value of the node to match.
                newNodes[totalNewNodes] = _editBranchValue(lastNode, _value);
                totalNewNodes += 1;
            } else {
                // We've found a branch node, but it doesn't contain our key.
                // Reinsert the old branch for now.
                newNodes[totalNewNodes] = lastNode;
                totalNewNodes += 1;
                // Create a new leaf node, slicing our remainder since the first byte points
                // to our branch node.
                newNodes[totalNewNodes] = _makeLeafNode(
                    Lib_BytesUtils.slice(keyRemainder, 1),
                    _value
                );
                totalNewNodes += 1;
            }
        } else {
            // Our last node is either an extension node or a leaf node with a different key.
            bytes memory lastNodeKey = _getNodeKey(lastNode);
            uint256 sharedNibbleLength = _getSharedNibbleLength(lastNodeKey, keyRemainder);

            if (sharedNibbleLength != 0) {
                // We've got some shared nibbles between the last node and our key remainder.
                // We'll need to insert an extension node that covers these shared nibbles.
                bytes memory nextNodeKey = Lib_BytesUtils.slice(lastNodeKey, 0, sharedNibbleLength);
                newNodes[totalNewNodes] = _makeExtensionNode(nextNodeKey, _getNodeHash(_value));
                totalNewNodes += 1;

                // Cut down the keys since we've just covered these shared nibbles.
                lastNodeKey = Lib_BytesUtils.slice(lastNodeKey, sharedNibbleLength);
                keyRemainder = Lib_BytesUtils.slice(keyRemainder, sharedNibbleLength);
            }

            // Create an empty branch to fill in.
            TrieNode memory newBranch = _makeEmptyBranchNode();

            if (lastNodeKey.length == 0) {
                // Key remainder was larger than the key for our last node.
                // The value within our last node is therefore going to be shifted into
                // a branch value slot.
                newBranch = _editBranchValue(newBranch, _getNodeValue(lastNode));
            } else {
                // Last node key was larger than the key remainder.
                // We're going to modify some index of our branch.
                uint8 branchKey = uint8(lastNodeKey[0]);
                // Move on to the next nibble.
                lastNodeKey = Lib_BytesUtils.slice(lastNodeKey, 1);

                if (lastNodeType == NodeType.LeafNode) {
                    // We're dealing with a leaf node.
                    // We'll modify the key and insert the old leaf node into the branch index.
                    TrieNode memory modifiedLastNode = _makeLeafNode(
                        lastNodeKey,
                        _getNodeValue(lastNode)
                    );
                    newBranch = _editBranchIndex(
                        newBranch,
                        branchKey,
                        _getNodeHash(modifiedLastNode.encoded)
                    );
                } else if (lastNodeKey.length != 0) {
                    // We're dealing with a shrinking extension node.
                    // We need to modify the node to decrease the size of the key.
                    TrieNode memory modifiedLastNode = _makeExtensionNode(
                        lastNodeKey,
                        _getNodeValue(lastNode)
                    );
                    newBranch = _editBranchIndex(
                        newBranch,
                        branchKey,
                        _getNodeHash(modifiedLastNode.encoded)
                    );
                } else {
                    // We're dealing with an unnecessary extension node.
                    // We're going to delete the node entirely.
                    // Simply insert its current value into the branch index.
                    newBranch = _editBranchIndex(newBranch, branchKey, _getNodeValue(lastNode));
                }
            }

            if (keyRemainder.length == 0) {
                // We've got nothing left in the key remainder.
                // Simply insert the value into the branch value slot.
                newBranch = _editBranchValue(newBranch, _value);
                // Push the branch into the list of new nodes.
                newNodes[totalNewNodes] = newBranch;
                totalNewNodes += 1;
            } else {
                // We've got some key remainder to work with.
                // We'll be inserting a leaf node into the trie.
                // First, move on to the next nibble.
                keyRemainder = Lib_BytesUtils.slice(keyRemainder, 1);
                // Push the branch into the list of new nodes.
                newNodes[totalNewNodes] = newBranch;
                totalNewNodes += 1;
                // Push a new leaf node for our k/v pair.
                newNodes[totalNewNodes] = _makeLeafNode(keyRemainder, _value);
                totalNewNodes += 1;
            }
        }

        // Finally, join the old path with our newly created nodes.
        // Since we're overwriting the last node in the path, we use `_pathLength - 1`.
        return _joinNodeArrays(_path, _pathLength - 1, newNodes, totalNewNodes);
    }

    /**
     * @notice Computes the trie root from a given path.
     * @param _nodes Path to some k/v pair.
     * @param _key Key for the k/v pair.
     * @return _updatedRoot Root hash for the updated trie.
     */
    function _getUpdatedTrieRoot(TrieNode[] memory _nodes, bytes memory _key)
        private
        pure
        returns (bytes32 _updatedRoot)
    {
        bytes memory key = Lib_BytesUtils.toNibbles(_key);

        // Some variables to keep track of during iteration.
        TrieNode memory currentNode;
        NodeType currentNodeType;
        bytes memory previousNodeHash;

        // Run through the path backwards to rebuild our root hash.
        for (uint256 i = _nodes.length; i > 0; i--) {
            // Pick out the current node.
            currentNode = _nodes[i - 1];
            currentNodeType = _getNodeType(currentNode);

            if (currentNodeType == NodeType.LeafNode) {
                // Leaf nodes are already correctly encoded.
                // Shift the key over to account for the nodes key.
                bytes memory nodeKey = _getNodeKey(currentNode);
                key = Lib_BytesUtils.slice(key, 0, key.length - nodeKey.length);
            } else if (currentNodeType == NodeType.ExtensionNode) {
                // Shift the key over to account for the nodes key.
                bytes memory nodeKey = _getNodeKey(currentNode);
                key = Lib_BytesUtils.slice(key, 0, key.length - nodeKey.length);

                // If this node is the last element in the path, it'll be correctly encoded
                // and we can skip this part.
                if (previousNodeHash.length > 0) {
                    // Re-encode the node based on the previous node.
                    currentNode = _editExtensionNodeValue(currentNode, previousNodeHash);
                }
            } else if (currentNodeType == NodeType.BranchNode) {
                // If this node is the last element in the path, it'll be correctly encoded
                // and we can skip this part.
                if (previousNodeHash.length > 0) {
                    // Re-encode the node based on the previous node.
                    uint8 branchKey = uint8(key[key.length - 1]);
                    key = Lib_BytesUtils.slice(key, 0, key.length - 1);
                    currentNode = _editBranchIndex(currentNode, branchKey, previousNodeHash);
                }
            }

            // Compute the node hash for the next iteration.
            previousNodeHash = _getNodeHash(currentNode.encoded);
        }

        // Current node should be the root at this point.
        // Simply return the hash of its encoding.
        return keccak256(currentNode.encoded);
    }

    /**
     * @notice Parses an RLP-encoded proof into something more useful.
     * @param _proof RLP-encoded proof to parse.
     * @return _parsed Proof parsed into easily accessible structs.
     */
    function _parseProof(bytes memory _proof) private pure returns (TrieNode[] memory _parsed) {
        Lib_RLPReader.RLPItem[] memory nodes = Lib_RLPReader.readList(_proof);
        TrieNode[] memory proof = new TrieNode[](nodes.length);

        for (uint256 i = 0; i < nodes.length; i++) {
            bytes memory encoded = Lib_RLPReader.readBytes(nodes[i]);
            proof[i] = TrieNode({ encoded: encoded, decoded: Lib_RLPReader.readList(encoded) });
        }

        return proof;
    }

    /**
     * @notice Picks out the ID for a node. Node ID is referred to as the
     * "hash" within the specification, but nodes < 32 bytes are not actually
     * hashed.
     * @param _node Node to pull an ID for.
     * @return _nodeID ID for the node, depending on the size of its contents.
     */
    function _getNodeID(Lib_RLPReader.RLPItem memory _node) private pure returns (bytes32 _nodeID) {
        bytes memory nodeID;

        if (_node.length < 32) {
            // Nodes smaller than 32 bytes are RLP encoded.
            nodeID = Lib_RLPReader.readRawBytes(_node);
        } else {
            // Nodes 32 bytes or larger are hashed.
            nodeID = Lib_RLPReader.readBytes(_node);
        }

        return Lib_BytesUtils.toBytes32(nodeID);
    }

    /**
     * @notice Gets the path for a leaf or extension node.
     * @param _node Node to get a path for.
     * @return _path Node path, converted to an array of nibbles.
     */
    function _getNodePath(TrieNode memory _node) private pure returns (bytes memory _path) {
        return Lib_BytesUtils.toNibbles(Lib_RLPReader.readBytes(_node.decoded[0]));
    }

    /**
     * @notice Gets the key for a leaf or extension node. Keys are essentially
     * just paths without any prefix.
     * @param _node Node to get a key for.
     * @return _key Node key, converted to an array of nibbles.
     */
    function _getNodeKey(TrieNode memory _node) private pure returns (bytes memory _key) {
        return _removeHexPrefix(_getNodePath(_node));
    }

    /**
     * @notice Gets the path for a node.
     * @param _node Node to get a value for.
     * @return _value Node value, as hex bytes.
     */
    function _getNodeValue(TrieNode memory _node) private pure returns (bytes memory _value) {
        return Lib_RLPReader.readBytes(_node.decoded[_node.decoded.length - 1]);
    }

    /**
     * @notice Computes the node hash for an encoded node. Nodes < 32 bytes
     * are not hashed, all others are keccak256 hashed.
     * @param _encoded Encoded node to hash.
     * @return _hash Hash of the encoded node. Simply the input if < 32 bytes.
     */
    function _getNodeHash(bytes memory _encoded) private pure returns (bytes memory _hash) {
        if (_encoded.length < 32) {
            return _encoded;
        } else {
            return abi.encodePacked(keccak256(_encoded));
        }
    }

    /**
     * @notice Determines the type for a given node.
     * @param _node Node to determine a type for.
     * @return _type Type of the node; BranchNode/ExtensionNode/LeafNode.
     */
    function _getNodeType(TrieNode memory _node) private pure returns (NodeType _type) {
        if (_node.decoded.length == BRANCH_NODE_LENGTH) {
            return NodeType.BranchNode;
        } else if (_node.decoded.length == LEAF_OR_EXTENSION_NODE_LENGTH) {
            bytes memory path = _getNodePath(_node);
            uint8 prefix = uint8(path[0]);

            if (prefix == PREFIX_LEAF_EVEN || prefix == PREFIX_LEAF_ODD) {
                return NodeType.LeafNode;
            } else if (prefix == PREFIX_EXTENSION_EVEN || prefix == PREFIX_EXTENSION_ODD) {
                return NodeType.ExtensionNode;
            }
        }

        revert("Invalid node type");
    }

    /**
     * @notice Utility; determines the number of nibbles shared between two
     * nibble arrays.
     * @param _a First nibble array.
     * @param _b Second nibble array.
     * @return _shared Number of shared nibbles.
     */
    function _getSharedNibbleLength(bytes memory _a, bytes memory _b)
        private
        pure
        returns (uint256 _shared)
    {
        uint256 i = 0;
        while (_a.length > i && _b.length > i && _a[i] == _b[i]) {
            i++;
        }
        return i;
    }

    /**
     * @notice Utility; converts an RLP-encoded node into our nice struct.
     * @param _raw RLP-encoded node to convert.
     * @return _node Node as a TrieNode struct.
     */
    function _makeNode(bytes[] memory _raw) private pure returns (TrieNode memory _node) {
        bytes memory encoded = Lib_RLPWriter.writeList(_raw);

        return TrieNode({ encoded: encoded, decoded: Lib_RLPReader.readList(encoded) });
    }

    /**
     * @notice Utility; converts an RLP-decoded node into our nice struct.
     * @param _items RLP-decoded node to convert.
     * @return _node Node as a TrieNode struct.
     */
    function _makeNode(Lib_RLPReader.RLPItem[] memory _items)
        private
        pure
        returns (TrieNode memory _node)
    {
        bytes[] memory raw = new bytes[](_items.length);
        for (uint256 i = 0; i < _items.length; i++) {
            raw[i] = Lib_RLPReader.readRawBytes(_items[i]);
        }
        return _makeNode(raw);
    }

    /**
     * @notice Creates a new extension node.
     * @param _key Key for the extension node, unprefixed.
     * @param _value Value for the extension node.
     * @return _node New extension node with the given k/v pair.
     */
    function _makeExtensionNode(bytes memory _key, bytes memory _value)
        private
        pure
        returns (TrieNode memory _node)
    {
        bytes[] memory raw = new bytes[](2);
        bytes memory key = _addHexPrefix(_key, false);
        raw[0] = Lib_RLPWriter.writeBytes(Lib_BytesUtils.fromNibbles(key));
        raw[1] = Lib_RLPWriter.writeBytes(_value);
        return _makeNode(raw);
    }

    /**
     * Creates a new extension node with the same key but a different value.
     * @param _node Extension node to copy and modify.
     * @param _value New value for the extension node.
     * @return New node with the same key and different value.
     */
    function _editExtensionNodeValue(TrieNode memory _node, bytes memory _value)
        private
        pure
        returns (TrieNode memory)
    {
        bytes[] memory raw = new bytes[](2);
        bytes memory key = _addHexPrefix(_getNodeKey(_node), false);
        raw[0] = Lib_RLPWriter.writeBytes(Lib_BytesUtils.fromNibbles(key));
        if (_value.length < 32) {
            raw[1] = _value;
        } else {
            raw[1] = Lib_RLPWriter.writeBytes(_value);
        }
        return _makeNode(raw);
    }

    /**
     * @notice Creates a new leaf node.
     * @dev This function is essentially identical to `_makeExtensionNode`.
     * Although we could route both to a single method with a flag, it's
     * more gas efficient to keep them separate and duplicate the logic.
     * @param _key Key for the leaf node, unprefixed.
     * @param _value Value for the leaf node.
     * @return _node New leaf node with the given k/v pair.
     */
    function _makeLeafNode(bytes memory _key, bytes memory _value)
        private
        pure
        returns (TrieNode memory _node)
    {
        bytes[] memory raw = new bytes[](2);
        bytes memory key = _addHexPrefix(_key, true);
        raw[0] = Lib_RLPWriter.writeBytes(Lib_BytesUtils.fromNibbles(key));
        raw[1] = Lib_RLPWriter.writeBytes(_value);
        return _makeNode(raw);
    }

    /**
     * @notice Creates an empty branch node.
     * @return _node Empty branch node as a TrieNode struct.
     */
    function _makeEmptyBranchNode() private pure returns (TrieNode memory _node) {
        bytes[] memory raw = new bytes[](BRANCH_NODE_LENGTH);
        for (uint256 i = 0; i < raw.length; i++) {
            raw[i] = RLP_NULL_BYTES;
        }
        return _makeNode(raw);
    }

    /**
     * @notice Modifies the value slot for a given branch.
     * @param _branch Branch node to modify.
     * @param _value Value to insert into the branch.
     * @return _updatedNode Modified branch node.
     */
    function _editBranchValue(TrieNode memory _branch, bytes memory _value)
        private
        pure
        returns (TrieNode memory _updatedNode)
    {
        bytes memory encoded = Lib_RLPWriter.writeBytes(_value);
        _branch.decoded[_branch.decoded.length - 1] = Lib_RLPReader.toRLPItem(encoded);
        return _makeNode(_branch.decoded);
    }

    /**
     * @notice Modifies a slot at an index for a given branch.
     * @param _branch Branch node to modify.
     * @param _index Slot index to modify.
     * @param _value Value to insert into the slot.
     * @return _updatedNode Modified branch node.
     */
    function _editBranchIndex(
        TrieNode memory _branch,
        uint8 _index,
        bytes memory _value
    ) private pure returns (TrieNode memory _updatedNode) {
        bytes memory encoded = _value.length < 32 ? _value : Lib_RLPWriter.writeBytes(_value);
        _branch.decoded[_index] = Lib_RLPReader.toRLPItem(encoded);
        return _makeNode(_branch.decoded);
    }

    /**
     * @notice Utility; adds a prefix to a key.
     * @param _key Key to prefix.
     * @param _isLeaf Whether or not the key belongs to a leaf.
     * @return _prefixedKey Prefixed key.
     */
    function _addHexPrefix(bytes memory _key, bool _isLeaf)
        private
        pure
        returns (bytes memory _prefixedKey)
    {
        uint8 prefix = _isLeaf ? uint8(0x02) : uint8(0x00);
        uint8 offset = uint8(_key.length % 2);
        bytes memory prefixed = new bytes(2 - offset);
        prefixed[0] = bytes1(prefix + offset);
        return abi.encodePacked(prefixed, _key);
    }

    /**
     * @notice Utility; removes a prefix from a path.
     * @param _path Path to remove the prefix from.
     * @return _unprefixedKey Unprefixed key.
     */
    function _removeHexPrefix(bytes memory _path)
        private
        pure
        returns (bytes memory _unprefixedKey)
    {
        if (uint8(_path[0]) % 2 == 0) {
            return Lib_BytesUtils.slice(_path, 2);
        } else {
            return Lib_BytesUtils.slice(_path, 1);
        }
    }

    /**
     * @notice Utility; combines two node arrays. Array lengths are required
     * because the actual lengths may be longer than the filled lengths.
     * Array resizing is extremely costly and should be avoided.
     * @param _a First array to join.
     * @param _aLength Length of the first array.
     * @param _b Second array to join.
     * @param _bLength Length of the second array.
     * @return _joined Combined node array.
     */
    function _joinNodeArrays(
        TrieNode[] memory _a,
        uint256 _aLength,
        TrieNode[] memory _b,
        uint256 _bLength
    ) private pure returns (TrieNode[] memory _joined) {
        TrieNode[] memory ret = new TrieNode[](_aLength + _bLength);

        // Copy elements from the first array.
        for (uint256 i = 0; i < _aLength; i++) {
            ret[i] = _a[i];
        }

        // Copy elements from the second array.
        for (uint256 i = 0; i < _bLength; i++) {
            ret[i + _aLength] = _b[i];
        }

        return ret;
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/* Library Imports */
import { Lib_MerkleTrie } from "./Lib_MerkleTrie.sol";

/**
 * @title Lib_SecureMerkleTrie
 */
library Lib_SecureMerkleTrie {
    /**********************
     * Internal Functions *
     **********************/

    /**
     * @notice Verifies a proof that a given key/value pair is present in the
     * Merkle trie.
     * @param _key Key of the node to search for, as a hex string.
     * @param _value Value of the node to search for, as a hex string.
     * @param _proof Merkle trie inclusion proof for the desired node. Unlike
     * traditional Merkle trees, this proof is executed top-down and consists
     * of a list of RLP-encoded nodes that make a path down to the target node.
     * @param _root Known root of the Merkle trie. Used to verify that the
     * included proof is correctly constructed.
     * @return _verified `true` if the k/v pair exists in the trie, `false` otherwise.
     */
    function verifyInclusionProof(
        bytes memory _key,
        bytes memory _value,
        bytes memory _proof,
        bytes32 _root
    ) internal pure returns (bool _verified) {
        bytes memory key = _getSecureKey(_key);
        return Lib_MerkleTrie.verifyInclusionProof(key, _value, _proof, _root);
    }

    /**
     * @notice Updates a Merkle trie and returns a new root hash.
     * @param _key Key of the node to update, as a hex string.
     * @param _value Value of the node to update, as a hex string.
     * @param _proof Merkle trie inclusion proof for the node *nearest* the
     * target node. If the key exists, we can simply update the value.
     * Otherwise, we need to modify the trie to handle the new k/v pair.
     * @param _root Known root of the Merkle trie. Used to verify that the
     * included proof is correctly constructed.
     * @return _updatedRoot Root hash of the newly constructed trie.
     */
    function update(
        bytes memory _key,
        bytes memory _value,
        bytes memory _proof,
        bytes32 _root
    ) internal pure returns (bytes32 _updatedRoot) {
        bytes memory key = _getSecureKey(_key);
        return Lib_MerkleTrie.update(key, _value, _proof, _root);
    }

    /**
     * @notice Retrieves the value associated with a given key.
     * @param _key Key to search for, as hex bytes.
     * @param _proof Merkle trie inclusion proof for the key.
     * @param _root Known root of the Merkle trie.
     * @return _exists Whether or not the key exists.
     * @return _value Value of the key if it exists.
     */
    function get(
        bytes memory _key,
        bytes memory _proof,
        bytes32 _root
    ) internal pure returns (bool _exists, bytes memory _value) {
        bytes memory key = _getSecureKey(_key);
        return Lib_MerkleTrie.get(key, _proof, _root);
    }

    /**
     * Computes the root hash for a trie with a single node.
     * @param _key Key for the single node.
     * @param _value Value for the single node.
     * @return _updatedRoot Hash of the trie.
     */
    function getSingleNodeRootHash(bytes memory _key, bytes memory _value)
        internal
        pure
        returns (bytes32 _updatedRoot)
    {
        bytes memory key = _getSecureKey(_key);
        return Lib_MerkleTrie.getSingleNodeRootHash(key, _value);
    }

    /*********************
     * Private Functions *
     *********************/

    /**
     * Computes the secure counterpart to a key.
     * @param _key Key to get a secure key from.
     * @return _secureKey Secure version of the key.
     */
    function _getSecureKey(bytes memory _key) private pure returns (bytes memory _secureKey) {
        return abi.encodePacked(keccak256(_key));
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/**
 * @title Lib_Byte32Utils
 */
library Lib_Bytes32Utils {
    /**********************
     * Internal Functions *
     **********************/

    /**
     * Converts a bytes32 value to a boolean. Anything non-zero will be converted to "true."
     * @param _in Input bytes32 value.
     * @return Bytes32 as a boolean.
     */
    function toBool(bytes32 _in) internal pure returns (bool) {
        return _in != 0;
    }

    /**
     * Converts a boolean to a bytes32 value.
     * @param _in Input boolean value.
     * @return Boolean as a bytes32.
     */
    function fromBool(bool _in) internal pure returns (bytes32) {
        return bytes32(uint256(_in ? 1 : 0));
    }

    /**
     * Converts a bytes32 value to an address. Takes the *last* 20 bytes.
     * @param _in Input bytes32 value.
     * @return Bytes32 as an address.
     */
    function toAddress(bytes32 _in) internal pure returns (address) {
        return address(uint160(uint256(_in)));
    }

    /**
     * Converts an address to a bytes32.
     * @param _in Input address value.
     * @return Address as a bytes32.
     */
    function fromAddress(address _in) internal pure returns (bytes32) {
        return bytes32(uint256(uint160(_in)));
    }
}

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.9;

/**
 * @title Lib_BytesUtils
 */
library Lib_BytesUtils {
    /**********************
     * Internal Functions *
     **********************/

    function slice(
        bytes memory _bytes,
        uint256 _start,
        uint256 _length
    ) internal pure returns (bytes memory) {
        require(_length + 31 >= _length, "slice_overflow");
        require(_start + _length >= _start, "slice_overflow");
        require(_bytes.length >= _start + _length, "slice_outOfBounds");

        bytes memory tempBytes;

        assembly {
            switch iszero(_length)
            case 0 {
                // Get a location of some free memory and store it in tempBytes as
                // Solidity does for memory variables.
                tempBytes := mload(0x40)

                // The first word of the slice result is potentially a partial
                // word read from the original array. To read it, we calculate
                // the length of that partial word and start copying that many
                // bytes into the array. The first word we copy will start with
                // data we don't care about, but the last `lengthmod` bytes will
                // land at the beginning of the contents of the new array. When
                // we're done copying, we overwrite the full first word with
                // the actual length of the slice.
                let lengthmod := and(_length, 31)

                // The multiplication in the next line is necessary
                // because when slicing multiples of 32 bytes (lengthmod == 0)
                // the following copy loop was copying the origin's length
                // and then ending prematurely not copying everything it should.
                let mc := add(add(tempBytes, lengthmod), mul(0x20, iszero(lengthmod)))
                let end := add(mc, _length)

                for {
                    // The multiplication in the next line has the same exact purpose
                    // as the one above.
                    let cc := add(add(add(_bytes, lengthmod), mul(0x20, iszero(lengthmod))), _start)
                } lt(mc, end) {
                    mc := add(mc, 0x20)
                    cc := add(cc, 0x20)
                } {
                    mstore(mc, mload(cc))
                }

                mstore(tempBytes, _length)

                //update free-memory pointer
                //allocating the array padded to 32 bytes like the compiler does now
                mstore(0x40, and(add(mc, 31), not(31)))
            }
            //if we want a zero-length slice let's just return a zero-length array
            default {
                tempBytes := mload(0x40)

                //zero out the 32 bytes slice we are about to return
                //we need to do it because Solidity does not garbage collect
                mstore(tempBytes, 0)

                mstore(0x40, add(tempBytes, 0x20))
            }
        }

        return tempBytes;
    }

    function slice(bytes memory _bytes, uint256 _start) internal pure returns (bytes memory) {
        if (_start >= _bytes.length) {
            return bytes("");
        }

        return slice(_bytes, _start, _bytes.length - _start);
    }

    function toBytes32(bytes memory _bytes) internal pure returns (bytes32) {
        if (_bytes.length < 32) {
            bytes32 ret;
            assembly {
                ret := mload(add(_bytes, 32))
            }
            return ret;
        }

        return abi.decode(_bytes, (bytes32)); // will truncate if input length > 32 bytes
    }

    function toUint256(bytes memory _bytes) internal pure returns (uint256) {
        return uint256(toBytes32(_bytes));
    }

    function toNibbles(bytes memory _bytes) internal pure returns (bytes memory) {
        bytes memory nibbles = new bytes(_bytes.length * 2);

        for (uint256 i = 0; i < _bytes.length; i++) {
            nibbles[i * 2] = _bytes[i] >> 4;
            nibbles[i * 2 + 1] = bytes1(uint8(_bytes[i]) % 16);
        }

        return nibbles;
    }

    function fromNibbles(bytes memory _bytes) internal pure returns (bytes memory) {
        bytes memory ret = new bytes(_bytes.length / 2);

        for (uint256 i = 0; i < ret.length; i++) {
            ret[i] = (_bytes[i * 2] << 4) | (_bytes[i * 2 + 1]);
        }

        return ret;
    }

    function equal(bytes memory _bytes, bytes memory _other) internal pure returns (bool) {
        return keccak256(_bytes) == keccak256(_other);
    }
}

// SPDX-License-Identifier: Apache-2.0

/*
 * Copyright 2019-2021, Offchain Labs, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

pragma solidity ^0.8.7;

library AddressAliasHelper {
    uint160 constant offset = uint160(0x1111000000000000000000000000000000001111);

    /// @notice Utility function that converts the address in the L1 that submitted a tx to
    /// the inbox to the msg.sender viewed in the L2
    /// @param l1Address the address in the L1 that triggered the tx to L2
    /// @return l2Address L2 address as viewed in msg.sender
    function applyL1ToL2Alias(address l1Address) internal pure returns (address l2Address) {
        unchecked {
            l2Address = address(uint160(l1Address) + offset);
        }
    }

    /// @notice Utility function that converts the msg.sender viewed in the L2 to the
    /// address in the L1 that submitted a tx to the inbox
    /// @param l2Address L2 address as viewed in msg.sender
    /// @return l1Address the address in the L1 that triggered the tx to L2
    function undoL1ToL2Alias(address l2Address) internal pure returns (address l1Address) {
        unchecked {
            l1Address = address(uint160(l2Address) - offset);
        }
    }
}

{
  "evmVersion": "london",
  "libraries": {},
  "metadata": {
    "bytecodeHash": "ipfs",
    "useLiteralContent": true
  },
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "remappings": [],
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"msgHash","type":"bytes32"}],"name":"FailedRelayedMessage","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"_xDomainCalldataHash","type":"bytes32"}],"name":"MessageAllowed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"_xDomainCalldataHash","type":"bytes32"}],"name":"MessageBlocked","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Paused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"msgHash","type":"bytes32"}],"name":"RelayedMessage","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"target","type":"address"},{"indexed":false,"internalType":"address","name":"sender","type":"address"},{"indexed":false,"internalType":"bytes","name":"message","type":"bytes"},{"indexed":false,"internalType":"uint256","name":"messageNonce","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"gasLimit","type":"uint256"}],"name":"SentMessage","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"inputs":[{"internalType":"bytes32","name":"_xDomainCalldataHash","type":"bytes32"}],"name":"allowMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"_xDomainCalldataHash","type":"bytes32"}],"name":"blockMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"blockedMessages","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_libAddressManager","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"libAddressManager","outputs":[{"internalType":"contract Lib_AddressManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pause","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"paused","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_target","type":"address"},{"internalType":"address","name":"_sender","type":"address"},{"internalType":"bytes","name":"_message","type":"bytes"},{"internalType":"uint256","name":"_messageNonce","type":"uint256"},{"components":[{"internalType":"bytes32","name":"stateRoot","type":"bytes32"},{"components":[{"internalType":"uint256","name":"batchIndex","type":"uint256"},{"internalType":"bytes32","name":"batchRoot","type":"bytes32"},{"internalType":"uint256","name":"batchSize","type":"uint256"},{"internalType":"uint256","name":"prevTotalElements","type":"uint256"},{"internalType":"bytes","name":"extraData","type":"bytes"}],"internalType":"struct Lib_OVMCodec.ChainBatchHeader","name":"stateRootBatchHeader","type":"tuple"},{"components":[{"internalType":"uint256","name":"index","type":"uint256"},{"internalType":"bytes32[]","name":"siblings","type":"bytes32[]"}],"internalType":"struct Lib_OVMCodec.ChainInclusionProof","name":"stateRootProof","type":"tuple"},{"internalType":"bytes","name":"stateTrieWitness","type":"bytes"},{"internalType":"bytes","name":"storageTrieWitness","type":"bytes"}],"internalType":"struct IL1CrossDomainMessenger.L2MessageInclusionProof","name":"_proof","type":"tuple"}],"name":"relayMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"relayedMessages","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_target","type":"address"},{"internalType":"address","name":"_sender","type":"address"},{"internalType":"bytes","name":"_message","type":"bytes"},{"internalType":"uint256","name":"_queueIndex","type":"uint256"},{"internalType":"uint32","name":"_oldGasLimit","type":"uint32"},{"internalType":"uint32","name":"_newGasLimit","type":"uint32"}],"name":"replayMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"resolve","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_target","type":"address"},{"internalType":"bytes","name":"_message","type":"bytes"},{"internalType":"uint32","name":"_gasLimit","type":"uint32"}],"name":"sendMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"name":"successfulMessages","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"xDomainMessageSender","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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