Contract 0x99c970105cf6ee2e22b563cb86bca42d05ac7a95

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

/* Library Imports */
import { AddressAliasHelper } from "../../standards/AddressAliasHelper.sol";
import { Lib_OVMCodec } from "../../libraries/codec/Lib_OVMCodec.sol";
import { Lib_AddressResolver } from "../../libraries/resolver/Lib_AddressResolver.sol";

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

/**
 * @title CanonicalTransactionChain
 * @dev The Canonical Transaction Chain (CTC) contract is an append-only log of transactions
 * which must be applied to the rollup state. It defines the ordering of rollup transactions by
 * writing them to the 'CTC:batches' instance of the Chain Storage Container.
 * The CTC also allows any account to 'enqueue' an L2 transaction, which will require that the
 * Sequencer will eventually append it to the rollup state.
 *
 * Runtime target: EVM
 */
contract CanonicalTransactionChain is ICanonicalTransactionChain, Lib_AddressResolver {
    /*************
     * Constants *
     *************/

    // L2 tx gas-related
    uint256 public constant MIN_ROLLUP_TX_GAS = 100000;
    uint256 public constant MAX_ROLLUP_TX_SIZE = 50000;

    // The approximate cost of calling the enqueue function
    uint256 public enqueueGasCost;
    // The ratio of the cost of L1 gas to the cost of L2 gas
    uint256 public l2GasDiscountDivisor;
    // The amount of L2 gas which can be forwarded to L2 without spam prevention via 'gas burn'.
    // Calculated as the product of l2GasDiscountDivisor * enqueueGasCost.
    // See comments in enqueue() for further detail.
    uint256 public enqueueL2GasPrepaid;

    // Encoding-related (all in bytes)
    uint256 internal constant BATCH_CONTEXT_SIZE = 16;
    uint256 internal constant BATCH_CONTEXT_LENGTH_POS = 12;
    uint256 internal constant BATCH_CONTEXT_START_POS = 15;
    uint256 internal constant TX_DATA_HEADER_SIZE = 3;
    uint256 internal constant BYTES_TILL_TX_DATA = 65;

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

    uint256 public maxTransactionGasLimit;

    /***************
     * Queue State *
     ***************/

    uint40 private _nextQueueIndex; // index of the first queue element not yet included
    Lib_OVMCodec.QueueElement[] queueElements;

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

    constructor(
        address _libAddressManager,
        uint256 _maxTransactionGasLimit,
        uint256 _l2GasDiscountDivisor,
        uint256 _enqueueGasCost
    ) Lib_AddressResolver(_libAddressManager) {
        maxTransactionGasLimit = _maxTransactionGasLimit;
        l2GasDiscountDivisor = _l2GasDiscountDivisor;
        enqueueGasCost = _enqueueGasCost;
        enqueueL2GasPrepaid = _l2GasDiscountDivisor * _enqueueGasCost;
    }

    /**********************
     * Function Modifiers *
     **********************/

    /**
     * Modifier to enforce that, if configured, only the Burn Admin may
     * successfully call a method.
     */
    modifier onlyBurnAdmin() {
        require(msg.sender == libAddressManager.owner(), "Only callable by the Burn Admin.");
        _;
    }

    /*******************************
     * 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
        onlyBurnAdmin
    {
        enqueueGasCost = _enqueueGasCost;
        l2GasDiscountDivisor = _l2GasDiscountDivisor;
        // See the comment in enqueue() for the rationale behind this formula.
        enqueueL2GasPrepaid = _l2GasDiscountDivisor * _enqueueGasCost;

        emit L2GasParamsUpdated(l2GasDiscountDivisor, enqueueGasCost, enqueueL2GasPrepaid);
    }

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

    /**
     * Accesses the batch storage container.
     * @return Reference to the batch storage container.
     */
    function batches() public view returns (IChainStorageContainer) {
        return IChainStorageContainer(resolve("ChainStorageContainer-CTC-batches"));
    }

    /**
     * Accesses the queue storage container.
     * @return Reference to the queue storage container.
     */
    function queue() public view returns (IChainStorageContainer) {
        return IChainStorageContainer(resolve("ChainStorageContainer-CTC-queue"));
    }

    /**
     * Retrieves the total number of elements submitted.
     * @return _totalElements Total submitted elements.
     */
    function getTotalElements() public view returns (uint256 _totalElements) {
        (uint40 totalElements, , , ) = _getBatchExtraData();
        return uint256(totalElements);
    }

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

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

    /**
     * Returns the timestamp of the last transaction.
     * @return Timestamp for the last transaction.
     */
    function getLastTimestamp() public view returns (uint40) {
        (, , uint40 lastTimestamp, ) = _getBatchExtraData();
        return lastTimestamp;
    }

    /**
     * Returns the blocknumber of the last transaction.
     * @return Blocknumber for the last transaction.
     */
    function getLastBlockNumber() public view returns (uint40) {
        (, , , uint40 lastBlockNumber) = _getBatchExtraData();
        return lastBlockNumber;
    }

    /**
     * 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)
        public
        view
        returns (Lib_OVMCodec.QueueElement memory _element)
    {
        return queueElements[_index];
    }

    /**
     * Get the number of queue elements which have not yet been included.
     * @return Number of pending queue elements.
     */
    function getNumPendingQueueElements() public view returns (uint40) {
        return uint40(queueElements.length) - _nextQueueIndex;
    }

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

    /**
     * Adds a transaction to the queue.
     * @param _target Target L2 contract to send the transaction to.
     * @param _gasLimit Gas limit for the enqueued L2 transaction.
     * @param _data Transaction data.
     */
    function enqueue(
        address _target,
        uint256 _gasLimit,
        bytes memory _data
    ) external {
        require(
            _data.length <= MAX_ROLLUP_TX_SIZE,
            "Transaction data size exceeds maximum for rollup transaction."
        );

        require(
            _gasLimit <= maxTransactionGasLimit,
            "Transaction gas limit exceeds maximum for rollup transaction."
        );

        require(_gasLimit >= MIN_ROLLUP_TX_GAS, "Transaction gas limit too low to enqueue.");

        // Transactions submitted to the queue lack a method for paying gas fees to the Sequencer.
        // So we need to prevent spam attacks by ensuring that the cost of enqueueing a transaction
        // from L1 to L2 is not underpriced. For transaction with a high L2 gas limit, we do this by
        // burning some extra gas on L1. Of course there is also some intrinsic cost to enqueueing a
        // transaction, so we want to make sure not to over-charge (by burning too much L1 gas).
        // Therefore, we define 'enqueueL2GasPrepaid' as the L2 gas limit above which we must burn
        // additional gas on L1. This threshold is the product of two inputs:
        // 1. enqueueGasCost: the base cost of calling this function.
        // 2. l2GasDiscountDivisor: the ratio between the cost of gas on L1 and L2. This is a
        //    positive integer, meaning we assume L2 gas is always less costly.
        // The calculation below for gasToConsume can be seen as converting the difference (between
        // the specified L2 gas limit and the prepaid L2 gas limit) to an L1 gas amount.
        if (_gasLimit > enqueueL2GasPrepaid) {
            uint256 gasToConsume = (_gasLimit - enqueueL2GasPrepaid) / l2GasDiscountDivisor;
            uint256 startingGas = gasleft();

            // Although this check is not necessary (burn below will run out of gas if not true), it
            // gives the user an explicit reason as to why the enqueue attempt failed.
            require(startingGas > gasToConsume, "Insufficient gas for L2 rate limiting burn.");

            uint256 i;
            while (startingGas - gasleft() < gasToConsume) {
                i++;
            }
        }

        // Apply an aliasing unless msg.sender == tx.origin. This prevents an attack in which a
        // contract on L1 has the same address as a contract on L2 but doesn't have the same code.
        // We can safely ignore this for EOAs because they're guaranteed to have the same "code"
        // (i.e. no code at all). This also makes it possible for users to interact with contracts
        // on L2 even when the Sequencer is down.
        address sender;
        if (msg.sender == tx.origin) {
            sender = msg.sender;
        } else {
            sender = AddressAliasHelper.applyL1ToL2Alias(msg.sender);
        }

        bytes32 transactionHash = keccak256(abi.encode(sender, _target, _gasLimit, _data));

        queueElements.push(
            Lib_OVMCodec.QueueElement({
                transactionHash: transactionHash,
                timestamp: uint40(block.timestamp),
                blockNumber: uint40(block.number)
            })
        );
        uint256 queueIndex = queueElements.length - 1;
        emit TransactionEnqueued(sender, _target, _gasLimit, _data, queueIndex, block.timestamp);
    }

    /**
     * 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() external {
        uint40 shouldStartAtElement;
        uint24 totalElementsToAppend;
        uint24 numContexts;
        assembly {
            shouldStartAtElement := shr(216, calldataload(4))
            totalElementsToAppend := shr(232, calldataload(9))
            numContexts := shr(232, calldataload(12))
        }

        require(
            shouldStartAtElement == getTotalElements(),
            "Actual batch start index does not match expected start index."
        );

        require(
            msg.sender == resolve("OVM_Sequencer"),
            "Function can only be called by the Sequencer."
        );

        uint40 nextTransactionPtr = uint40(
            BATCH_CONTEXT_START_POS + BATCH_CONTEXT_SIZE * numContexts
        );

        require(msg.data.length >= nextTransactionPtr, "Not enough BatchContexts provided.");

        // Counter for number of sequencer transactions appended so far.
        uint32 numSequencerTransactions = 0;

        // Cache the _nextQueueIndex storage variable to a temporary stack variable.
        // This is safe as long as nothing reads or writes to the storage variable
        // until it is updated by the temp variable.
        uint40 nextQueueIndex = _nextQueueIndex;

        BatchContext memory curContext;
        for (uint32 i = 0; i < numContexts; i++) {
            BatchContext memory nextContext = _getBatchContext(i);

            // Now we can update our current context.
            curContext = nextContext;

            // Process sequencer transactions first.
            numSequencerTransactions += uint32(curContext.numSequencedTransactions);

            // Now process any subsequent queue transactions.
            nextQueueIndex += uint40(curContext.numSubsequentQueueTransactions);
        }

        require(
            nextQueueIndex <= queueElements.length,
            "Attempted to append more elements than are available in the queue."
        );

        // Generate the required metadata that we need to append this batch
        uint40 numQueuedTransactions = totalElementsToAppend - numSequencerTransactions;
        uint40 blockTimestamp;
        uint40 blockNumber;
        if (curContext.numSubsequentQueueTransactions == 0) {
            // The last element is a sequencer tx, therefore pull timestamp and block number from
            // the last context.
            blockTimestamp = uint40(curContext.timestamp);
            blockNumber = uint40(curContext.blockNumber);
        } else {
            // The last element is a queue tx, therefore pull timestamp and block number from the
            // queue element.
            // curContext.numSubsequentQueueTransactions > 0 which means that we've processed at
            // least one queue element. We increment nextQueueIndex after processing each queue
            // element, so the index of the last element we processed is nextQueueIndex - 1.
            Lib_OVMCodec.QueueElement memory lastElement = queueElements[nextQueueIndex - 1];

            blockTimestamp = lastElement.timestamp;
            blockNumber = lastElement.blockNumber;
        }

        // Cache the previous blockhash to ensure all transaction data can be retrieved efficiently.
        _appendBatch(
            blockhash(block.number - 1),
            totalElementsToAppend,
            numQueuedTransactions,
            blockTimestamp,
            blockNumber
        );

        emit SequencerBatchAppended(
            nextQueueIndex - numQueuedTransactions,
            numQueuedTransactions,
            getTotalElements()
        );

        // Update the _nextQueueIndex storage variable.
        _nextQueueIndex = nextQueueIndex;
    }

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

    /**
     * Returns the BatchContext located at a particular index.
     * @param _index The index of the BatchContext
     * @return The BatchContext at the specified index.
     */
    function _getBatchContext(uint256 _index) internal pure returns (BatchContext memory) {
        uint256 contextPtr = 15 + _index * BATCH_CONTEXT_SIZE;
        uint256 numSequencedTransactions;
        uint256 numSubsequentQueueTransactions;
        uint256 ctxTimestamp;
        uint256 ctxBlockNumber;

        assembly {
            numSequencedTransactions := shr(232, calldataload(contextPtr))
            numSubsequentQueueTransactions := shr(232, calldataload(add(contextPtr, 3)))
            ctxTimestamp := shr(216, calldataload(add(contextPtr, 6)))
            ctxBlockNumber := shr(216, calldataload(add(contextPtr, 11)))
        }

        return
            BatchContext({
                numSequencedTransactions: numSequencedTransactions,
                numSubsequentQueueTransactions: numSubsequentQueueTransactions,
                timestamp: ctxTimestamp,
                blockNumber: ctxBlockNumber
            });
    }

    /**
     * Parses the batch context from the extra data.
     * @return Total number of elements submitted.
     * @return Index of the next queue element.
     */
    function _getBatchExtraData()
        internal
        view
        returns (
            uint40,
            uint40,
            uint40,
            uint40
        )
    {
        bytes27 extraData = batches().getGlobalMetadata();

        uint40 totalElements;
        uint40 nextQueueIndex;
        uint40 lastTimestamp;
        uint40 lastBlockNumber;

        // solhint-disable max-line-length
        assembly {
            extraData := shr(40, extraData)
            totalElements := and(
                extraData,
                0x000000000000000000000000000000000000000000000000000000FFFFFFFFFF
            )
            nextQueueIndex := shr(
                40,
                and(extraData, 0x00000000000000000000000000000000000000000000FFFFFFFFFF0000000000)
            )
            lastTimestamp := shr(
                80,
                and(extraData, 0x0000000000000000000000000000000000FFFFFFFFFF00000000000000000000)
            )
            lastBlockNumber := shr(
                120,
                and(extraData, 0x000000000000000000000000FFFFFFFFFF000000000000000000000000000000)
            )
        }
        // solhint-enable max-line-length

        return (totalElements, nextQueueIndex, lastTimestamp, lastBlockNumber);
    }

    /**
     * Encodes the batch context for the extra data.
     * @param _totalElements Total number of elements submitted.
     * @param _nextQueueIdx Index of the next queue element.
     * @param _timestamp Timestamp for the last batch.
     * @param _blockNumber Block number of the last batch.
     * @return Encoded batch context.
     */
    function _makeBatchExtraData(
        uint40 _totalElements,
        uint40 _nextQueueIdx,
        uint40 _timestamp,
        uint40 _blockNumber
    ) internal pure returns (bytes27) {
        bytes27 extraData;
        assembly {
            extraData := _totalElements
            extraData := or(extraData, shl(40, _nextQueueIdx))
            extraData := or(extraData, shl(80, _timestamp))
            extraData := or(extraData, shl(120, _blockNumber))
            extraData := shl(40, extraData)
        }

        return extraData;
    }

    /**
     * Inserts a batch into the chain of batches.
     * @param _transactionRoot Root of the transaction tree for this batch.
     * @param _batchSize Number of elements in the batch.
     * @param _numQueuedTransactions Number of queue transactions in the batch.
     * @param _timestamp The latest batch timestamp.
     * @param _blockNumber The latest batch blockNumber.
     */
    function _appendBatch(
        bytes32 _transactionRoot,
        uint256 _batchSize,
        uint256 _numQueuedTransactions,
        uint40 _timestamp,
        uint40 _blockNumber
    ) internal {
        IChainStorageContainer batchesRef = batches();
        (uint40 totalElements, uint40 nextQueueIndex, , ) = _getBatchExtraData();

        Lib_OVMCodec.ChainBatchHeader memory header = Lib_OVMCodec.ChainBatchHeader({
            batchIndex: batchesRef.length(),
            batchRoot: _transactionRoot,
            batchSize: _batchSize,
            prevTotalElements: totalElements,
            extraData: hex""
        });

        emit TransactionBatchAppended(
            header.batchIndex,
            header.batchRoot,
            header.batchSize,
            header.prevTotalElements,
            header.extraData
        );

        bytes32 batchHeaderHash = Lib_OVMCodec.hashBatchHeader(header);
        bytes27 latestBatchContext = _makeBatchExtraData(
            totalElements + uint40(header.batchSize),
            nextQueueIndex + uint40(_numQueuedTransactions),
            _timestamp,
            _blockNumber
        );

        batchesRef.push(batchHeaderHash, latestBatchContext);
    }
}

// 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);
        }
    }
}

// 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;

/* 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 >0.5.0 <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);

    /**
     * Accesses the queue storage container.
     * @return Reference to the queue storage container.
     */
    function queue() 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 ^0.8.9;

/**
 * @title Lib_RLPReader
 * @dev Adapted from "RLPReader" by Hamdi Allam ([email protected]).
 */
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;

/**
 * @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: 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;

/* 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 ^0.8.0;

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;
    }
}

{
  "optimizer": {
    "enabled": true,
    "runs": 10000
  },
  "metadata": {
    "bytecodeHash": "none",
    "useLiteralContent": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "libraries": {}
}

[{"inputs":[{"internalType":"address","name":"_libAddressManager","type":"address"},{"internalType":"uint256","name":"_maxTransactionGasLimit","type":"uint256"},{"internalType":"uint256","name":"_l2GasDiscountDivisor","type":"uint256"},{"internalType":"uint256","name":"_enqueueGasCost","type":"uint256"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"l2GasDiscountDivisor","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"enqueueGasCost","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"enqueueL2GasPrepaid","type":"uint256"}],"name":"L2GasParamsUpdated","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_startingQueueIndex","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_numQueueElements","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_totalElements","type":"uint256"}],"name":"QueueBatchAppended","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"_startingQueueIndex","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_numQueueElements","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_totalElements","type":"uint256"}],"name":"SequencerBatchAppended","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"_batchIndex","type":"uint256"},{"indexed":false,"internalType":"bytes32","name":"_batchRoot","type":"bytes32"},{"indexed":false,"internalType":"uint256","name":"_batchSize","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_prevTotalElements","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"_extraData","type":"bytes"}],"name":"TransactionBatchAppended","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"_l1TxOrigin","type":"address"},{"indexed":true,"internalType":"address","name":"_target","type":"address"},{"indexed":false,"internalType":"uint256","name":"_gasLimit","type":"uint256"},{"indexed":false,"internalType":"bytes","name":"_data","type":"bytes"},{"indexed":true,"internalType":"uint256","name":"_queueIndex","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"_timestamp","type":"uint256"}],"name":"TransactionEnqueued","type":"event"},{"inputs":[],"name":"MAX_ROLLUP_TX_SIZE","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"MIN_ROLLUP_TX_GAS","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"appendSequencerBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"batches","outputs":[{"internalType":"contract IChainStorageContainer","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_target","type":"address"},{"internalType":"uint256","name":"_gasLimit","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"enqueue","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"enqueueGasCost","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"enqueueL2GasPrepaid","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLastBlockNumber","outputs":[{"internalType":"uint40","name":"","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLastTimestamp","outputs":[{"internalType":"uint40","name":"","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNextQueueIndex","outputs":[{"internalType":"uint40","name":"","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNumPendingQueueElements","outputs":[{"internalType":"uint40","name":"","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_index","type":"uint256"}],"name":"getQueueElement","outputs":[{"components":[{"internalType":"bytes32","name":"transactionHash","type":"bytes32"},{"internalType":"uint40","name":"timestamp","type":"uint40"},{"internalType":"uint40","name":"blockNumber","type":"uint40"}],"internalType":"struct Lib_OVMCodec.QueueElement","name":"_element","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getQueueLength","outputs":[{"internalType":"uint40","name":"","type":"uint40"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTotalBatches","outputs":[{"internalType":"uint256","name":"_totalBatches","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getTotalElements","outputs":[{"internalType":"uint256","name":"_totalElements","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l2GasDiscountDivisor","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"libAddressManager","outputs":[{"internalType":"contract Lib_AddressManager","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"maxTransactionGasLimit","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"queue","outputs":[{"internalType":"contract IChainStorageContainer","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"string","name":"_name","type":"string"}],"name":"resolve","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_l2GasDiscountDivisor","type":"uint256"},{"internalType":"uint256","name":"_enqueueGasCost","type":"uint256"}],"name":"setGasParams","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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

000000000000000000000000564c10a60af35a07f0ea8be3106a4d81014b21a00000000000000000000000000000000000000000000000000000000000a7d8c00000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000ea60

-----Decoded View---------------
Arg [0] : _libAddressManager (address): 0x564c10a60af35a07f0ea8be3106a4d81014b21a0
Arg [1] : _maxTransactionGasLimit (uint256): 11000000
Arg [2] : _l2GasDiscountDivisor (uint256): 32
Arg [3] : _enqueueGasCost (uint256): 60000

-----Encoded View---------------
4 Constructor Arguments found :
Arg [0] : 000000000000000000000000564c10a60af35a07f0ea8be3106a4d81014b21a0
Arg [1] : 0000000000000000000000000000000000000000000000000000000000a7d8c0
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000020
Arg [3] : 000000000000000000000000000000000000000000000000000000000000ea60