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// SPDX-License-Identifier: MIT

pragma solidity 0.8.24;

import {Ownable2StepUpgradeable} from "@openzeppelin/contracts-upgradeable-v4/access/Ownable2StepUpgradeable.sol";
import {PausableUpgradeable} from "@openzeppelin/contracts-upgradeable-v4/security/PausableUpgradeable.sol";

import {IERC20Metadata} from "@openzeppelin/contracts-v4/token/ERC20/extensions/IERC20Metadata.sol";
import {IERC20} from "@openzeppelin/contracts-v4/token/ERC20/IERC20.sol";
import {SafeERC20} from "@openzeppelin/contracts-v4/token/ERC20/utils/SafeERC20.sol";

import {IL1ERC20Bridge} from "./interfaces/IL1ERC20Bridge.sol";
import {IL1SharedBridge} from "./interfaces/IL1SharedBridge.sol";
import {IL2Bridge} from "./interfaces/IL2Bridge.sol";

import {IMailbox} from "../state-transition/chain-interfaces/IMailbox.sol";
import {L2Message, TxStatus} from "../common/Messaging.sol";
import {UnsafeBytes} from "../common/libraries/UnsafeBytes.sol";
import {ReentrancyGuard} from "../common/ReentrancyGuard.sol";
import {AddressAliasHelper} from "../vendor/AddressAliasHelper.sol";
import {ETH_TOKEN_ADDRESS, TWO_BRIDGES_MAGIC_VALUE} from "../common/Config.sol";
import {IBridgehub, L2TransactionRequestTwoBridgesInner, L2TransactionRequestDirect} from "../bridgehub/IBridgehub.sol";
import {IGetters} from "../state-transition/chain-interfaces/IGetters.sol";
import {L2_BASE_TOKEN_SYSTEM_CONTRACT_ADDR} from "../common/L2ContractAddresses.sol";
import {Unauthorized, ZeroAddress, SharedBridgeValueAlreadySet, SharedBridgeKey, NoFundsTransferred, ZeroBalance, ValueMismatch, TokensWithFeesNotSupported, NonEmptyMsgValue, L2BridgeNotSet, TokenNotSupported, DepositIncorrectAmount, EmptyDeposit, DepositExists, AddressAlreadyUsed, InvalidProof, DepositDoesNotExist, InsufficientChainBalance, SharedBridgeValueNotSet, WithdrawalAlreadyFinalized, WithdrawFailed, L2WithdrawalMessageWrongLength, InvalidSelector, SharedBridgeBalanceMismatch, SharedBridgeValueNotSet} from "../common/L1ContractErrors.sol";

/// @author Matter Labs
/// @custom:security-contact [email protected]
/// @dev Bridges assets between L1 and hyperchains, supporting both ETH and ERC20 tokens.
/// @dev Designed for use with a proxy for upgradability.
contract L1SharedBridge is IL1SharedBridge, ReentrancyGuard, Ownable2StepUpgradeable, PausableUpgradeable {
    using SafeERC20 for IERC20;

    /// @dev The address of the WETH token on L1.
    address public immutable override L1_WETH_TOKEN;

    /// @dev Bridgehub smart contract that is used to operate with L2 via asynchronous L2 <-> L1 communication.
    IBridgehub public immutable override BRIDGE_HUB;

    /// @dev Era's chainID
    uint256 internal immutable ERA_CHAIN_ID;

    /// @dev The address of ZKsync Era diamond proxy contract.
    address internal immutable ERA_DIAMOND_PROXY;

    /// @dev Stores the first batch number on the ZKsync Era Diamond Proxy that was settled after Diamond proxy upgrade.
    /// This variable is used to differentiate between pre-upgrade and post-upgrade Eth withdrawals. Withdrawals from batches older
    /// than this value are considered to have been finalized prior to the upgrade and handled separately.
    uint256 internal eraPostDiamondUpgradeFirstBatch;

    /// @dev Stores the first batch number on the ZKsync Era Diamond Proxy that was settled after L1ERC20 Bridge upgrade.
    /// This variable is used to differentiate between pre-upgrade and post-upgrade ERC20 withdrawals. Withdrawals from batches older
    /// than this value are considered to have been finalized prior to the upgrade and handled separately.
    uint256 internal eraPostLegacyBridgeUpgradeFirstBatch;

    /// @dev Stores the ZKsync Era batch number that processes the last deposit tx initiated by the legacy bridge
    /// This variable (together with eraLegacyBridgeLastDepositTxNumber) is used to differentiate between pre-upgrade and post-upgrade deposits. Deposits processed in older batches
    /// than this value are considered to have been processed prior to the upgrade and handled separately.
    /// We use this both for Eth and erc20 token deposits, so we need to update the diamond and bridge simultaneously.
    uint256 internal eraLegacyBridgeLastDepositBatch;

    /// @dev The tx number in the _eraLegacyBridgeLastDepositBatch of the last deposit tx initiated by the legacy bridge
    /// This variable (together with eraLegacyBridgeLastDepositBatch) is used to differentiate between pre-upgrade and post-upgrade deposits. Deposits processed in older txs
    /// than this value are considered to have been processed prior to the upgrade and handled separately.
    /// We use this both for Eth and erc20 token deposits, so we need to update the diamond and bridge simultaneously.
    uint256 internal eraLegacyBridgeLastDepositTxNumber;

    /// @dev Legacy bridge smart contract that used to hold ERC20 tokens.
    IL1ERC20Bridge public override legacyBridge;

    /// @dev A mapping chainId => bridgeProxy. Used to store the bridge proxy's address, and to see if it has been deployed yet.
    mapping(uint256 chainId => address l2Bridge) public override l2BridgeAddress;

    /// @dev A mapping chainId => L2 deposit transaction hash => keccak256(abi.encode(account, tokenAddress, amount))
    /// @dev Tracks deposit transactions from L2 to enable users to claim their funds if a deposit fails.
    mapping(uint256 chainId => mapping(bytes32 l2DepositTxHash => bytes32 depositDataHash))
        public
        override depositHappened;

    /// @dev Tracks the processing status of L2 to L1 messages, indicating whether a message has already been finalized.
    mapping(uint256 chainId => mapping(uint256 l2BatchNumber => mapping(uint256 l2ToL1MessageNumber => bool isFinalized)))
        public isWithdrawalFinalized;

    /// @dev Indicates whether the hyperbridging is enabled for a given chain.
    // slither-disable-next-line uninitialized-state
    mapping(uint256 chainId => bool enabled) internal hyperbridgingEnabled;

    /// @dev Maps token balances for each chain to prevent unauthorized spending across hyperchains.
    /// This serves as a security measure until hyperbridging is implemented.
    /// NOTE: this function may be removed in the future, don't rely on it!
    mapping(uint256 chainId => mapping(address l1Token => uint256 balance)) public chainBalance;

    /// @dev Admin has the ability to register new chains within the shared bridge.
    address public admin;

    /// @dev The pending admin, i.e. the candidate to the admin role.
    address public pendingAdmin;

    /// @notice Checks that the message sender is the bridgehub.
    modifier onlyBridgehub() {
        if (msg.sender != address(BRIDGE_HUB)) {
            revert Unauthorized(msg.sender);
        }
        _;
    }

    /// @notice Checks that the message sender is the bridgehub or ZKsync Era Diamond Proxy.
    modifier onlyBridgehubOrEra(uint256 _chainId) {
        if (msg.sender != address(BRIDGE_HUB) && (_chainId != ERA_CHAIN_ID || msg.sender != ERA_DIAMOND_PROXY)) {
            revert Unauthorized(msg.sender);
        }
        _;
    }

    /// @notice Checks that the message sender is the legacy bridge.
    modifier onlyLegacyBridge() {
        if (msg.sender != address(legacyBridge)) {
            revert Unauthorized(msg.sender);
        }
        _;
    }

    /// @notice Checks that the message sender is the shared bridge itself.
    modifier onlySelf() {
        if (msg.sender != address(this)) {
            revert Unauthorized(msg.sender);
        }
        _;
    }

    /// @notice Checks that the message sender is either the owner or admin.
    modifier onlyOwnerOrAdmin() {
        require(msg.sender == owner() || msg.sender == admin, "ShB not owner or admin");
        _;
    }

    /// @dev Contract is expected to be used as proxy implementation.
    /// @dev Initialize the implementation to prevent Parity hack.
    constructor(
        address _l1WethAddress,
        IBridgehub _bridgehub,
        uint256 _eraChainId,
        address _eraDiamondProxy
    ) reentrancyGuardInitializer {
        _disableInitializers();
        L1_WETH_TOKEN = _l1WethAddress;
        BRIDGE_HUB = _bridgehub;
        ERA_CHAIN_ID = _eraChainId;
        ERA_DIAMOND_PROXY = _eraDiamondProxy;
    }

    /// @dev Initializes a contract bridge for later use. Expected to be used in the proxy
    /// @param _owner Address which can change L2 token implementation and upgrade the bridge
    /// implementation. The owner is the Governor and separate from the ProxyAdmin from now on, so that the Governor can call the bridge.
    function initialize(address _owner) external reentrancyGuardInitializer initializer {
        if (_owner == address(0)) {
            revert ZeroAddress();
        }
        _transferOwnership(_owner);
    }

    /// @inheritdoc IL1SharedBridge
    /// @dev Please note, if the owner wants to enforce the admin change it must execute both `setPendingAdmin` and
    /// `acceptAdmin` atomically. Otherwise `admin` can set different pending admin and so fail to accept the admin rights.
    function setPendingAdmin(address _newPendingAdmin) external onlyOwnerOrAdmin {
        // Save previous value into the stack to put it into the event later
        address oldPendingAdmin = pendingAdmin;
        // Change pending admin
        pendingAdmin = _newPendingAdmin;
        emit NewPendingAdmin(oldPendingAdmin, _newPendingAdmin);
    }

    /// @inheritdoc IL1SharedBridge
    /// @notice Accepts transfer of admin rights. Only pending admin can accept the role.
    function acceptAdmin() external {
        address currentPendingAdmin = pendingAdmin;
        require(msg.sender == currentPendingAdmin, "ShB not pending admin"); // Only proposed by current admin address can claim the admin rights

        address previousAdmin = admin;
        admin = currentPendingAdmin;
        delete pendingAdmin;

        emit NewPendingAdmin(currentPendingAdmin, address(0));
        emit NewAdmin(previousAdmin, currentPendingAdmin);
    }

    /// @dev This sets the first post diamond upgrade batch for era, used to check old eth withdrawals
    /// @param _eraPostDiamondUpgradeFirstBatch The first batch number on the ZKsync Era Diamond Proxy that was settled after diamond proxy upgrade.
    function setEraPostDiamondUpgradeFirstBatch(uint256 _eraPostDiamondUpgradeFirstBatch) external onlyOwner {
        if (eraPostDiamondUpgradeFirstBatch != 0) {
            revert SharedBridgeValueAlreadySet(SharedBridgeKey.PostUpgradeFirstBatch);
        }
        eraPostDiamondUpgradeFirstBatch = _eraPostDiamondUpgradeFirstBatch;
    }

    /// @dev This sets the first post upgrade batch for era, used to check old token withdrawals
    /// @param _eraPostLegacyBridgeUpgradeFirstBatch The first batch number on the ZKsync Era Diamond Proxy that was settled after legacy bridge upgrade.
    function setEraPostLegacyBridgeUpgradeFirstBatch(uint256 _eraPostLegacyBridgeUpgradeFirstBatch) external onlyOwner {
        if (eraPostLegacyBridgeUpgradeFirstBatch != 0) {
            revert SharedBridgeValueAlreadySet(SharedBridgeKey.LegacyBridgeFirstBatch);
        }
        eraPostLegacyBridgeUpgradeFirstBatch = _eraPostLegacyBridgeUpgradeFirstBatch;
    }

    /// @dev This sets the first post upgrade batch for era, used to check old withdrawals
    /// @param _eraLegacyBridgeLastDepositBatch The the ZKsync Era batch number that processes the last deposit tx initiated by the legacy bridge
    /// @param _eraLegacyBridgeLastDepositTxNumber The tx number in the _eraLegacyBridgeLastDepositBatch of the last deposit tx initiated by the legacy bridge
    function setEraLegacyBridgeLastDepositTime(
        uint256 _eraLegacyBridgeLastDepositBatch,
        uint256 _eraLegacyBridgeLastDepositTxNumber
    ) external onlyOwner {
        if (eraLegacyBridgeLastDepositBatch != 0) {
            revert SharedBridgeValueAlreadySet(SharedBridgeKey.LegacyBridgeLastDepositBatch);
        }
        if (eraLegacyBridgeLastDepositTxNumber != 0) {
            revert SharedBridgeValueAlreadySet(SharedBridgeKey.LegacyBridgeLastDepositTxn);
        }
        eraLegacyBridgeLastDepositBatch = _eraLegacyBridgeLastDepositBatch;
        eraLegacyBridgeLastDepositTxNumber = _eraLegacyBridgeLastDepositTxNumber;
    }

    /// @dev Transfer tokens from legacy erc20 bridge or mailbox and set chainBalance as part of migration process.
    /// @param _token The address of token to be transferred (address(1) for ether and contract address for ERC20).
    /// @param _target The hyperchain or bridge contract address from where to transfer funds.
    /// @param _targetChainId The chain ID of the corresponding hyperchain.
    function transferFundsFromLegacy(address _token, address _target, uint256 _targetChainId) external onlySelf {
        if (_token == ETH_TOKEN_ADDRESS) {
            uint256 balanceBefore = address(this).balance;
            IMailbox(_target).transferEthToSharedBridge();
            uint256 balanceAfter = address(this).balance;
            if (balanceAfter <= balanceBefore) {
                revert NoFundsTransferred();
            }
            chainBalance[_targetChainId][ETH_TOKEN_ADDRESS] =
                chainBalance[_targetChainId][ETH_TOKEN_ADDRESS] +
                balanceAfter -
                balanceBefore;
        } else {
            uint256 balanceBefore = IERC20(_token).balanceOf(address(this));
            uint256 legacyBridgeBalance = IERC20(_token).balanceOf(address(legacyBridge));
            if (legacyBridgeBalance == 0) {
                revert ZeroBalance();
            }
            IL1ERC20Bridge(_target).transferTokenToSharedBridge(_token);
            uint256 balanceAfter = IERC20(_token).balanceOf(address(this));
            if (balanceAfter - balanceBefore < legacyBridgeBalance) {
                revert SharedBridgeBalanceMismatch();
            }
            chainBalance[_targetChainId][_token] = chainBalance[_targetChainId][_token] + legacyBridgeBalance;
        }
    }

    /// @dev transfer tokens from legacy erc20 bridge or mailbox and set chainBalance as part of migration process.
    /// @dev Unlike `transferFundsFromLegacy` is provides a concrete limit on the gas used for the transfer and even if it will fail, it will not revert the whole transaction.
    function safeTransferFundsFromLegacy(
        address _token,
        address _target,
        uint256 _targetChainId,
        uint256 _gasPerToken
    ) external onlyOwner {
        try this.transferFundsFromLegacy{gas: _gasPerToken}(_token, _target, _targetChainId) {} catch {
            // A reasonable amount of gas will be provided to transfer the token.
            // If the transfer fails, we don't want to revert the whole transaction.
        }
    }

    /// @dev Accepts ether only from the hyperchain associated with the specified chain ID.
    /// @param _chainId The chain ID corresponding to the hyperchain allowed to send ether.
    function receiveEth(uint256 _chainId) external payable {
        if (BRIDGE_HUB.getHyperchain(_chainId) != msg.sender) {
            revert Unauthorized(msg.sender);
        }
    }

    /// @dev Initializes the l2Bridge address by governance for a specific chain.
    /// @param _chainId The chain ID for which the l2Bridge address is being initialized.
    /// @param _l2BridgeAddress The address of the L2 bridge contract.
    function initializeChainGovernance(uint256 _chainId, address _l2BridgeAddress) external onlyOwnerOrAdmin {
        require(l2BridgeAddress[_chainId] == address(0), "ShB: l2 bridge already set");
        require(_l2BridgeAddress != address(0), "ShB: l2 bridge 0");
        l2BridgeAddress[_chainId] = _l2BridgeAddress;
    }

    /// @dev Reinitializes the l2Bridge address by governance for a specific chain.
    /// @dev Only accessible to the owner of the bridge to prevent malicious admin from changing the bridge address for
    /// an existing chain.
    /// @param _chainId The chain ID for which the l2Bridge address is being initialized.
    /// @param _l2BridgeAddress The address of the L2 bridge contract.
    function reinitializeChainGovernance(uint256 _chainId, address _l2BridgeAddress) external onlyOwner {
        require(l2BridgeAddress[_chainId] != address(0), "ShB: l2 bridge not yet set");
        l2BridgeAddress[_chainId] = _l2BridgeAddress;
    }

    /// @notice Allows bridgehub to acquire mintValue for L1->L2 transactions.
    /// @dev If the corresponding L2 transaction fails, refunds are issued to a refund recipient on L2.
    /// @param _chainId The chain ID of the hyperchain to which deposit.
    /// @param _prevMsgSender The `msg.sender` address from the external call that initiated current one.
    /// @param _l1Token The L1 token address which is deposited.
    /// @param _amount The total amount of tokens to be bridged.
    function bridgehubDepositBaseToken(
        uint256 _chainId,
        address _prevMsgSender,
        address _l1Token,
        uint256 _amount
    ) external payable virtual onlyBridgehubOrEra(_chainId) whenNotPaused {
        if (_l1Token == ETH_TOKEN_ADDRESS) {
            if (msg.value != _amount) {
                revert ValueMismatch(_amount, msg.value);
            }
        } else {
            // The Bridgehub also checks this, but we want to be sure
            if (msg.value != 0) {
                revert NonEmptyMsgValue();
            }

            uint256 amount = _depositFunds(_prevMsgSender, IERC20(_l1Token), _amount); // note if _prevMsgSender is this contract, this will return 0. This does not happen.
            // The token has non-standard transfer logic
            if (amount != _amount) {
                revert TokensWithFeesNotSupported();
            }
        }

        if (!hyperbridgingEnabled[_chainId]) {
            chainBalance[_chainId][_l1Token] += _amount;
        }
        // Note that we don't save the deposited amount, as this is for the base token, which gets sent to the refundRecipient if the tx fails
        emit BridgehubDepositBaseTokenInitiated(_chainId, _prevMsgSender, _l1Token, _amount);
    }

    /// @dev Transfers tokens from the depositor address to the smart contract address.
    /// @return The difference between the contract balance before and after the transferring of funds.
    function _depositFunds(address _from, IERC20 _token, uint256 _amount) internal returns (uint256) {
        uint256 balanceBefore = _token.balanceOf(address(this));
        // slither-disable-next-line arbitrary-send-erc20
        _token.safeTransferFrom(_from, address(this), _amount);
        uint256 balanceAfter = _token.balanceOf(address(this));

        return balanceAfter - balanceBefore;
    }

    /// @notice Initiates a deposit transaction within Bridgehub, used by `requestL2TransactionTwoBridges`.
    /// @param _chainId The chain ID of the hyperchain to which deposit.
    /// @param _prevMsgSender The `msg.sender` address from the external call that initiated current one.
    /// @param _l2Value The L2 `msg.value` from the L1 -> L2 deposit transaction.
    /// @param _data The calldata for the second bridge deposit.
    function bridgehubDeposit(
        uint256 _chainId,
        address _prevMsgSender,
        // solhint-disable-next-line no-unused-vars
        uint256 _l2Value,
        bytes calldata _data
    )
        external
        payable
        override
        onlyBridgehub
        whenNotPaused
        returns (L2TransactionRequestTwoBridgesInner memory request)
    {
        if (l2BridgeAddress[_chainId] == address(0)) {
            revert L2BridgeNotSet(_chainId);
        }

        (address _l1Token, uint256 _depositAmount, address _l2Receiver) = abi.decode(
            _data,
            (address, uint256, address)
        );
        if (_l1Token == L1_WETH_TOKEN) {
            revert TokenNotSupported(L1_WETH_TOKEN);
        }
        if (BRIDGE_HUB.baseToken(_chainId) == _l1Token) {
            revert TokenNotSupported(_l1Token);
        }

        uint256 amount;
        if (_l1Token == ETH_TOKEN_ADDRESS) {
            amount = msg.value;
            if (_depositAmount != 0) {
                revert DepositIncorrectAmount(0, _depositAmount);
            }
        } else {
            if (msg.value != 0) {
                revert NonEmptyMsgValue();
            }
            amount = _depositAmount;

            uint256 depAmount = _depositFunds(_prevMsgSender, IERC20(_l1Token), _depositAmount);
            // The token has non-standard transfer logic
            if (depAmount != _depositAmount) {
                revert DepositIncorrectAmount(depAmount, _depositAmount);
            }
        }
        // empty deposit amount
        if (amount == 0) {
            revert EmptyDeposit();
        }

        bytes32 txDataHash = keccak256(abi.encode(_prevMsgSender, _l1Token, amount));
        if (!hyperbridgingEnabled[_chainId]) {
            chainBalance[_chainId][_l1Token] += amount;
        }

        {
            // Request the finalization of the deposit on the L2 side
            bytes memory l2TxCalldata = _getDepositL2Calldata(_prevMsgSender, _l2Receiver, _l1Token, amount);

            request = L2TransactionRequestTwoBridgesInner({
                magicValue: TWO_BRIDGES_MAGIC_VALUE,
                l2Contract: l2BridgeAddress[_chainId],
                l2Calldata: l2TxCalldata,
                factoryDeps: new bytes[](0),
                txDataHash: txDataHash
            });
        }
        emit BridgehubDepositInitiated({
            chainId: _chainId,
            txDataHash: txDataHash,
            from: _prevMsgSender,
            to: _l2Receiver,
            l1Token: _l1Token,
            amount: amount
        });
    }

    /// @notice Confirms the acceptance of a transaction by the Mailbox, as part of the L2 transaction process within Bridgehub.
    /// This function is utilized by `requestL2TransactionTwoBridges` to validate the execution of a transaction.
    /// @param _chainId The chain ID of the hyperchain to which confirm the deposit.
    /// @param _txDataHash The keccak256 hash of abi.encode(msgSender, l1Token, amount)
    /// @param _txHash The hash of the L1->L2 transaction to confirm the deposit.
    function bridgehubConfirmL2Transaction(
        uint256 _chainId,
        bytes32 _txDataHash,
        bytes32 _txHash
    ) external override onlyBridgehub whenNotPaused {
        if (depositHappened[_chainId][_txHash] != 0x00) {
            revert DepositExists();
        }
        depositHappened[_chainId][_txHash] = _txDataHash;
        emit BridgehubDepositFinalized(_chainId, _txDataHash, _txHash);
    }

    /// @dev Sets the L1ERC20Bridge contract address. Should be called only once.
    function setL1Erc20Bridge(address _legacyBridge) external onlyOwner {
        if (address(legacyBridge) != address(0)) {
            revert AddressAlreadyUsed(address(legacyBridge));
        }
        if (_legacyBridge == address(0)) {
            revert ZeroAddress();
        }
        legacyBridge = IL1ERC20Bridge(_legacyBridge);
    }

    /// @dev Generate a calldata for calling the deposit finalization on the L2 bridge contract
    function _getDepositL2Calldata(
        address _l1Sender,
        address _l2Receiver,
        address _l1Token,
        uint256 _amount
    ) internal view returns (bytes memory) {
        bytes memory gettersData = _getERC20Getters(_l1Token);
        return abi.encodeCall(IL2Bridge.finalizeDeposit, (_l1Sender, _l2Receiver, _l1Token, _amount, gettersData));
    }

    /// @dev Receives and parses (name, symbol, decimals) from the token contract
    function _getERC20Getters(address _token) internal view returns (bytes memory) {
        if (_token == ETH_TOKEN_ADDRESS) {
            bytes memory name = abi.encode("Ether");
            bytes memory symbol = abi.encode("ETH");
            bytes memory decimals = abi.encode(uint8(18));
            return abi.encode(name, symbol, decimals); // when depositing eth to a non-eth based chain it is an ERC20
        }

        (, bytes memory data1) = _token.staticcall(abi.encodeCall(IERC20Metadata.name, ()));
        (, bytes memory data2) = _token.staticcall(abi.encodeCall(IERC20Metadata.symbol, ()));
        (, bytes memory data3) = _token.staticcall(abi.encodeCall(IERC20Metadata.decimals, ()));
        return abi.encode(data1, data2, data3);
    }

    /// @dev Withdraw funds from the initiated deposit, that failed when finalizing on L2
    /// @param _depositSender The address of the deposit initiator
    /// @param _l1Token The address of the deposited L1 ERC20 token
    /// @param _amount The amount of the deposit that failed.
    /// @param _l2TxHash The L2 transaction hash of the failed deposit finalization
    /// @param _l2BatchNumber The L2 batch number where the deposit finalization was processed
    /// @param _l2MessageIndex The position in the L2 logs Merkle tree of the l2Log that was sent with the message
    /// @param _l2TxNumberInBatch The L2 transaction number in a batch, in which the log was sent
    /// @param _merkleProof The Merkle proof of the processing L1 -> L2 transaction with deposit finalization
    function claimFailedDeposit(
        uint256 _chainId,
        address _depositSender,
        address _l1Token,
        uint256 _amount,
        bytes32 _l2TxHash,
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes32[] calldata _merkleProof
    ) external override {
        _claimFailedDeposit({
            _checkedInLegacyBridge: false,
            _chainId: _chainId,
            _depositSender: _depositSender,
            _l1Token: _l1Token,
            _amount: _amount,
            _l2TxHash: _l2TxHash,
            _l2BatchNumber: _l2BatchNumber,
            _l2MessageIndex: _l2MessageIndex,
            _l2TxNumberInBatch: _l2TxNumberInBatch,
            _merkleProof: _merkleProof
        });
    }

    /// @dev Processes claims of failed deposit, whether they originated from the legacy bridge or the current system.
    function _claimFailedDeposit(
        bool _checkedInLegacyBridge,
        uint256 _chainId,
        address _depositSender,
        address _l1Token,
        uint256 _amount,
        bytes32 _l2TxHash,
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes32[] calldata _merkleProof
    ) internal nonReentrant whenNotPaused {
        {
            bool proofValid = BRIDGE_HUB.proveL1ToL2TransactionStatus({
                _chainId: _chainId,
                _l2TxHash: _l2TxHash,
                _l2BatchNumber: _l2BatchNumber,
                _l2MessageIndex: _l2MessageIndex,
                _l2TxNumberInBatch: _l2TxNumberInBatch,
                _merkleProof: _merkleProof,
                _status: TxStatus.Failure
            });
            if (!proofValid) {
                revert InvalidProof();
            }
        }
        if (_amount == 0) {
            revert NoFundsTransferred();
        }

        {
            bool notCheckedInLegacyBridgeOrWeCanCheckDeposit;
            {
                // Deposits that happened before the upgrade cannot be checked here, they have to be claimed and checked in the legacyBridge
                bool weCanCheckDepositHere = !_isEraLegacyDeposit(_chainId, _l2BatchNumber, _l2TxNumberInBatch);
                // Double claims are not possible, as depositHappened is checked here for all except legacy deposits (which have to happen through the legacy bridge)
                // Funds claimed before the update will still be recorded in the legacy bridge
                // Note we double check NEW deposits if they are called from the legacy bridge
                notCheckedInLegacyBridgeOrWeCanCheckDeposit = (!_checkedInLegacyBridge) || weCanCheckDepositHere;
            }
            if (notCheckedInLegacyBridgeOrWeCanCheckDeposit) {
                bytes32 dataHash = depositHappened[_chainId][_l2TxHash];
                bytes32 txDataHash = keccak256(abi.encode(_depositSender, _l1Token, _amount));
                if (dataHash != txDataHash) {
                    revert DepositDoesNotExist();
                }
                delete depositHappened[_chainId][_l2TxHash];
            }
        }

        if (!hyperbridgingEnabled[_chainId]) {
            // check that the chain has sufficient balance
            if (chainBalance[_chainId][_l1Token] < _amount) {
                revert InsufficientChainBalance();
            }
            chainBalance[_chainId][_l1Token] -= _amount;
        }

        // Withdraw funds
        if (_l1Token == ETH_TOKEN_ADDRESS) {
            bool callSuccess;
            // Low-level assembly call, to avoid any memory copying (save gas)
            assembly {
                callSuccess := call(gas(), _depositSender, _amount, 0, 0, 0, 0)
            }
            if (!callSuccess) {
                revert WithdrawFailed();
            }
        } else {
            IERC20(_l1Token).safeTransfer(_depositSender, _amount);
            // Note we don't allow weth deposits anymore, but there might be legacy weth deposits.
            // until we add Weth bridging capabilities, we don't wrap/unwrap weth to ether.
        }

        emit ClaimedFailedDepositSharedBridge(_chainId, _depositSender, _l1Token, _amount);
    }

    /// @dev Determines if an eth withdrawal was initiated on ZKsync Era before the upgrade to the Shared Bridge.
    /// @param _chainId The chain ID of the transaction to check.
    /// @param _l2BatchNumber The L2 batch number for the withdrawal.
    /// @return Whether withdrawal was initiated on ZKsync Era before diamond proxy upgrade.
    function _isEraLegacyEthWithdrawal(uint256 _chainId, uint256 _l2BatchNumber) internal view returns (bool) {
        if ((_chainId == ERA_CHAIN_ID) && eraPostDiamondUpgradeFirstBatch == 0) {
            revert SharedBridgeValueNotSet(SharedBridgeKey.PostUpgradeFirstBatch);
        }
        return (_chainId == ERA_CHAIN_ID) && (_l2BatchNumber < eraPostDiamondUpgradeFirstBatch);
    }

    /// @dev Determines if a token withdrawal was initiated on ZKsync Era before the upgrade to the Shared Bridge.
    /// @param _chainId The chain ID of the transaction to check.
    /// @param _l2BatchNumber The L2 batch number for the withdrawal.
    /// @return Whether withdrawal was initiated on ZKsync Era before Legacy Bridge upgrade.
    function _isEraLegacyTokenWithdrawal(uint256 _chainId, uint256 _l2BatchNumber) internal view returns (bool) {
        if ((_chainId == ERA_CHAIN_ID) && eraPostLegacyBridgeUpgradeFirstBatch == 0) {
            revert SharedBridgeValueNotSet(SharedBridgeKey.LegacyBridgeFirstBatch);
        }
        return (_chainId == ERA_CHAIN_ID) && (_l2BatchNumber < eraPostLegacyBridgeUpgradeFirstBatch);
    }

    /// @dev Determines if a deposit was initiated on ZKsync Era before the upgrade to the Shared Bridge.
    /// @param _chainId The chain ID of the transaction to check.
    /// @param _l2BatchNumber The L2 batch number for the deposit where it was processed.
    /// @param _l2TxNumberInBatch The L2 transaction number in the batch, in which the deposit was processed.
    /// @return Whether deposit was initiated on ZKsync Era before Shared Bridge upgrade.
    function _isEraLegacyDeposit(
        uint256 _chainId,
        uint256 _l2BatchNumber,
        uint256 _l2TxNumberInBatch
    ) internal view returns (bool) {
        if ((_chainId == ERA_CHAIN_ID) && (eraLegacyBridgeLastDepositBatch == 0)) {
            revert SharedBridgeValueNotSet(SharedBridgeKey.LegacyBridgeLastDepositBatch);
        }
        return
            (_chainId == ERA_CHAIN_ID) &&
            (_l2BatchNumber < eraLegacyBridgeLastDepositBatch ||
                (_l2TxNumberInBatch < eraLegacyBridgeLastDepositTxNumber &&
                    _l2BatchNumber == eraLegacyBridgeLastDepositBatch));
    }

    /// @notice Finalize the withdrawal and release funds
    /// @param _chainId The chain ID of the transaction to check
    /// @param _l2BatchNumber The L2 batch number where the withdrawal was processed
    /// @param _l2MessageIndex The position in the L2 logs Merkle tree of the l2Log that was sent with the message
    /// @param _l2TxNumberInBatch The L2 transaction number in the batch, in which the log was sent
    /// @param _message The L2 withdraw data, stored in an L2 -> L1 message
    /// @param _merkleProof The Merkle proof of the inclusion L2 -> L1 message about withdrawal initialization
    function finalizeWithdrawal(
        uint256 _chainId,
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes calldata _message,
        bytes32[] calldata _merkleProof
    ) external override {
        // To avoid rewithdrawing txs that have already happened on the legacy bridge.
        // Note: new withdraws are all recorded here, so double withdrawing them is not possible.
        if (_isEraLegacyTokenWithdrawal(_chainId, _l2BatchNumber)) {
            if (legacyBridge.isWithdrawalFinalized(_l2BatchNumber, _l2MessageIndex)) {
                revert WithdrawalAlreadyFinalized();
            }
        }
        _finalizeWithdrawal({
            _chainId: _chainId,
            _l2BatchNumber: _l2BatchNumber,
            _l2MessageIndex: _l2MessageIndex,
            _l2TxNumberInBatch: _l2TxNumberInBatch,
            _message: _message,
            _merkleProof: _merkleProof
        });
    }

    struct MessageParams {
        uint256 l2BatchNumber;
        uint256 l2MessageIndex;
        uint16 l2TxNumberInBatch;
    }

    /// @dev Internal function that handles the logic for finalizing withdrawals,
    /// serving both the current bridge system and the legacy ERC20 bridge.
    function _finalizeWithdrawal(
        uint256 _chainId,
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes calldata _message,
        bytes32[] calldata _merkleProof
    ) internal nonReentrant whenNotPaused returns (address l1Receiver, address l1Token, uint256 amount) {
        if (isWithdrawalFinalized[_chainId][_l2BatchNumber][_l2MessageIndex]) {
            revert WithdrawalAlreadyFinalized();
        }
        isWithdrawalFinalized[_chainId][_l2BatchNumber][_l2MessageIndex] = true;

        // Handling special case for withdrawal from ZKsync Era initiated before Shared Bridge.
        if (_isEraLegacyEthWithdrawal(_chainId, _l2BatchNumber)) {
            // Checks that the withdrawal wasn't finalized already.
            bool alreadyFinalized = IGetters(ERA_DIAMOND_PROXY).isEthWithdrawalFinalized(
                _l2BatchNumber,
                _l2MessageIndex
            );
            if (alreadyFinalized) {
                revert WithdrawalAlreadyFinalized();
            }
        }

        MessageParams memory messageParams = MessageParams({
            l2BatchNumber: _l2BatchNumber,
            l2MessageIndex: _l2MessageIndex,
            l2TxNumberInBatch: _l2TxNumberInBatch
        });
        (l1Receiver, l1Token, amount) = _checkWithdrawal(_chainId, messageParams, _message, _merkleProof);

        if (!hyperbridgingEnabled[_chainId]) {
            // Check that the chain has sufficient balance
            if (chainBalance[_chainId][l1Token] < amount) {
                // not enough funds
                revert InsufficientChainBalance();
            }
            chainBalance[_chainId][l1Token] -= amount;
        }

        if (l1Token == ETH_TOKEN_ADDRESS) {
            bool callSuccess;
            // Low-level assembly call, to avoid any memory copying (save gas)
            assembly {
                callSuccess := call(gas(), l1Receiver, amount, 0, 0, 0, 0)
            }
            if (!callSuccess) {
                revert WithdrawFailed();
            }
        } else {
            // Withdraw funds
            IERC20(l1Token).safeTransfer(l1Receiver, amount);
        }
        emit WithdrawalFinalizedSharedBridge(_chainId, l1Receiver, l1Token, amount);
    }

    /// @dev Verifies the validity of a withdrawal message from L2 and returns details of the withdrawal.
    function _checkWithdrawal(
        uint256 _chainId,
        MessageParams memory _messageParams,
        bytes calldata _message,
        bytes32[] calldata _merkleProof
    ) internal view returns (address l1Receiver, address l1Token, uint256 amount) {
        (l1Receiver, l1Token, amount) = _parseL2WithdrawalMessage(_chainId, _message);
        L2Message memory l2ToL1Message;
        {
            bool baseTokenWithdrawal = (l1Token == BRIDGE_HUB.baseToken(_chainId));
            address l2Sender = baseTokenWithdrawal ? L2_BASE_TOKEN_SYSTEM_CONTRACT_ADDR : l2BridgeAddress[_chainId];

            l2ToL1Message = L2Message({
                txNumberInBatch: _messageParams.l2TxNumberInBatch,
                sender: l2Sender,
                data: _message
            });
        }

        bool success = BRIDGE_HUB.proveL2MessageInclusion({
            _chainId: _chainId,
            _batchNumber: _messageParams.l2BatchNumber,
            _index: _messageParams.l2MessageIndex,
            _message: l2ToL1Message,
            _proof: _merkleProof
        });
        // withdrawal wrong proof
        if (!success) {
            revert InvalidProof();
        }
    }

    function _parseL2WithdrawalMessage(
        uint256 _chainId,
        bytes memory _l2ToL1message
    ) internal view returns (address l1Receiver, address l1Token, uint256 amount) {
        // We check that the message is long enough to read the data.
        // Please note that there are two versions of the message:
        // 1. The message that is sent by `withdraw(address _l1Receiver)`
        // It should be equal to the length of the bytes4 function signature + address l1Receiver + uint256 amount = 4 + 20 + 32 = 56 (bytes).
        // 2. The message that is sent by `withdrawWithMessage(address _l1Receiver, bytes calldata _additionalData)`
        // It should be equal to the length of the following:
        // bytes4 function signature + address l1Receiver + uint256 amount + address l2Sender + bytes _additionalData =
        // = 4 + 20 + 32 + 32 + _additionalData.length >= 68 (bytes).

        // So the data is expected to be at least 56 bytes long.
        // wrong message length
        if (_l2ToL1message.length < 56) {
            revert L2WithdrawalMessageWrongLength(_l2ToL1message.length);
        }

        (uint32 functionSignature, uint256 offset) = UnsafeBytes.readUint32(_l2ToL1message, 0);
        if (bytes4(functionSignature) == IMailbox.finalizeEthWithdrawal.selector) {
            // this message is a base token withdrawal
            (l1Receiver, offset) = UnsafeBytes.readAddress(_l2ToL1message, offset);
            (amount, offset) = UnsafeBytes.readUint256(_l2ToL1message, offset);
            l1Token = BRIDGE_HUB.baseToken(_chainId);
        } else if (bytes4(functionSignature) == IL1ERC20Bridge.finalizeWithdrawal.selector) {
            // We use the IL1ERC20Bridge for backward compatibility with old withdrawals.

            // this message is a token withdrawal

            // Check that the message length is correct.
            // It should be equal to the length of the function signature + address + address + uint256 = 4 + 20 + 20 + 32 =
            // 76 (bytes).
            if (_l2ToL1message.length != 76) {
                revert L2WithdrawalMessageWrongLength(_l2ToL1message.length);
            }
            (l1Receiver, offset) = UnsafeBytes.readAddress(_l2ToL1message, offset);
            (l1Token, offset) = UnsafeBytes.readAddress(_l2ToL1message, offset);
            (amount, offset) = UnsafeBytes.readUint256(_l2ToL1message, offset);
        } else {
            revert InvalidSelector(bytes4(functionSignature));
        }
    }

    /*//////////////////////////////////////////////////////////////
                            ERA LEGACY FUNCTIONS
    //////////////////////////////////////////////////////////////*/

    /// @notice Initiates a deposit by locking funds on the contract and sending the request
    /// of processing an L2 transaction where tokens would be minted.
    /// @dev If the token is bridged for the first time, the L2 token contract will be deployed. Note however, that the
    /// newly-deployed token does not support any custom logic, i.e. rebase tokens' functionality is not supported.
    /// @param _prevMsgSender The `msg.sender` address from the external call that initiated current one.
    /// @param _l2Receiver The account address that should receive funds on L2
    /// @param _l1Token The L1 token address which is deposited
    /// @param _amount The total amount of tokens to be bridged
    /// @param _l2TxGasLimit The L2 gas limit to be used in the corresponding L2 transaction
    /// @param _l2TxGasPerPubdataByte The gasPerPubdataByteLimit to be used in the corresponding L2 transaction
    /// @param _refundRecipient The address on L2 that will receive the refund for the transaction.
    /// @dev If the L2 deposit finalization transaction fails, the `_refundRecipient` will receive the `_l2Value`.
    /// Please note, the contract may change the refund recipient's address to eliminate sending funds to addresses
    /// out of control.
    /// - If `_refundRecipient` is a contract on L1, the refund will be sent to the aliased `_refundRecipient`.
    /// - If `_refundRecipient` is set to `address(0)` and the sender has NO deployed bytecode on L1, the refund will
    /// be sent to the `msg.sender` address.
    /// - If `_refundRecipient` is set to `address(0)` and the sender has deployed bytecode on L1, the refund will be
    /// sent to the aliased `msg.sender` address.
    /// @dev The address aliasing of L1 contracts as refund recipient on L2 is necessary to guarantee that the funds
    /// are controllable through the Mailbox, since the Mailbox applies address aliasing to the from address for the
    /// L2 tx if the L1 msg.sender is a contract. Without address aliasing for L1 contracts as refund recipients they
    /// would not be able to make proper L2 tx requests through the Mailbox to use or withdraw the funds from L2, and
    /// the funds would be lost.
    /// @return l2TxHash The L2 transaction hash of deposit finalization.
    function depositLegacyErc20Bridge(
        address _prevMsgSender,
        address _l2Receiver,
        address _l1Token,
        uint256 _amount,
        uint256 _l2TxGasLimit,
        uint256 _l2TxGasPerPubdataByte,
        address _refundRecipient
    ) external payable override onlyLegacyBridge nonReentrant whenNotPaused returns (bytes32 l2TxHash) {
        if (l2BridgeAddress[ERA_CHAIN_ID] == address(0)) {
            revert L2BridgeNotSet(ERA_CHAIN_ID);
        }
        if (_l1Token == L1_WETH_TOKEN) {
            revert TokenNotSupported(L1_WETH_TOKEN);
        }

        // Note that funds have been transferred to this contract in the legacy ERC20 bridge.
        if (!hyperbridgingEnabled[ERA_CHAIN_ID]) {
            chainBalance[ERA_CHAIN_ID][_l1Token] += _amount;
        }

        bytes memory l2TxCalldata = _getDepositL2Calldata(_prevMsgSender, _l2Receiver, _l1Token, _amount);

        {
            // If the refund recipient is not specified, the refund will be sent to the sender of the transaction.
            // Otherwise, the refund will be sent to the specified address.
            // If the recipient is a contract on L1, the address alias will be applied.
            address refundRecipient = AddressAliasHelper.actualRefundRecipient(_refundRecipient, _prevMsgSender);

            L2TransactionRequestDirect memory request = L2TransactionRequestDirect({
                chainId: ERA_CHAIN_ID,
                l2Contract: l2BridgeAddress[ERA_CHAIN_ID],
                mintValue: msg.value, // l2 gas + l2 msg.Value the bridgehub will withdraw the mintValue from the base token bridge for gas
                l2Value: 0, // L2 msg.value, this contract doesn't support base token deposits or wrapping functionality, for direct deposits use bridgehub
                l2Calldata: l2TxCalldata,
                l2GasLimit: _l2TxGasLimit,
                l2GasPerPubdataByteLimit: _l2TxGasPerPubdataByte,
                factoryDeps: new bytes[](0),
                refundRecipient: refundRecipient
            });
            l2TxHash = BRIDGE_HUB.requestL2TransactionDirect{value: msg.value}(request);
        }

        bytes32 txDataHash = keccak256(abi.encode(_prevMsgSender, _l1Token, _amount));
        // Save the deposited amount to claim funds on L1 if the deposit failed on L2
        depositHappened[ERA_CHAIN_ID][l2TxHash] = txDataHash;

        emit LegacyDepositInitiated({
            chainId: ERA_CHAIN_ID,
            l2DepositTxHash: l2TxHash,
            from: _prevMsgSender,
            to: _l2Receiver,
            l1Token: _l1Token,
            amount: _amount
        });
    }

    /// @notice Finalizes the withdrawal for transactions initiated via the legacy ERC20 bridge.
    /// @param _l2BatchNumber The L2 batch number where the withdrawal was processed
    /// @param _l2MessageIndex The position in the L2 logs Merkle tree of the l2Log that was sent with the message
    /// @param _l2TxNumberInBatch The L2 transaction number in the batch, in which the log was sent
    /// @param _message The L2 withdraw data, stored in an L2 -> L1 message
    /// @param _merkleProof The Merkle proof of the inclusion L2 -> L1 message about withdrawal initialization
    ///
    /// @return l1Receiver The address on L1 that will receive the withdrawn funds
    /// @return l1Token The address of the L1 token being withdrawn
    /// @return amount The amount of the token being withdrawn
    function finalizeWithdrawalLegacyErc20Bridge(
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes calldata _message,
        bytes32[] calldata _merkleProof
    ) external override onlyLegacyBridge returns (address l1Receiver, address l1Token, uint256 amount) {
        (l1Receiver, l1Token, amount) = _finalizeWithdrawal({
            _chainId: ERA_CHAIN_ID,
            _l2BatchNumber: _l2BatchNumber,
            _l2MessageIndex: _l2MessageIndex,
            _l2TxNumberInBatch: _l2TxNumberInBatch,
            _message: _message,
            _merkleProof: _merkleProof
        });
    }

    /// @notice Withdraw funds from the initiated deposit, that failed when finalizing on ZKsync Era chain.
    /// This function is specifically designed for maintaining backward-compatibility with legacy `claimFailedDeposit`
    /// method in `L1ERC20Bridge`.
    ///
    /// @param _depositSender The address of the deposit initiator
    /// @param _l1Token The address of the deposited L1 ERC20 token
    /// @param _amount The amount of the deposit that failed.
    /// @param _l2TxHash The L2 transaction hash of the failed deposit finalization
    /// @param _l2BatchNumber The L2 batch number where the deposit finalization was processed
    /// @param _l2MessageIndex The position in the L2 logs Merkle tree of the l2Log that was sent with the message
    /// @param _l2TxNumberInBatch The L2 transaction number in a batch, in which the log was sent
    /// @param _merkleProof The Merkle proof of the processing L1 -> L2 transaction with deposit finalization
    function claimFailedDepositLegacyErc20Bridge(
        address _depositSender,
        address _l1Token,
        uint256 _amount,
        bytes32 _l2TxHash,
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes32[] calldata _merkleProof
    ) external override onlyLegacyBridge {
        _claimFailedDeposit({
            _checkedInLegacyBridge: true,
            _chainId: ERA_CHAIN_ID,
            _depositSender: _depositSender,
            _l1Token: _l1Token,
            _amount: _amount,
            _l2TxHash: _l2TxHash,
            _l2BatchNumber: _l2BatchNumber,
            _l2MessageIndex: _l2MessageIndex,
            _l2TxNumberInBatch: _l2TxNumberInBatch,
            _merkleProof: _merkleProof
        });
    }

    /*//////////////////////////////////////////////////////////////
                            PAUSE
    //////////////////////////////////////////////////////////////*/

    /// @notice Pauses all functions marked with the `whenNotPaused` modifier.
    function pause() external onlyOwner {
        _pause();
    }

    /// @notice Unpauses the contract, allowing all functions marked with the `whenNotPaused` modifier to be called again.
    function unpause() external onlyOwner {
        _unpause();
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable2Step.sol)

pragma solidity ^0.8.0;

import "./OwnableUpgradeable.sol";
import {Initializable} from "../proxy/utils/Initializable.sol";

/**
 * @dev Contract module which provides access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership} and {acceptOwnership}.
 *
 * This module is used through inheritance. It will make available all functions
 * from parent (Ownable).
 */
abstract contract Ownable2StepUpgradeable is Initializable, OwnableUpgradeable {
    address private _pendingOwner;

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

    function __Ownable2Step_init() internal onlyInitializing {
        __Ownable_init_unchained();
    }

    function __Ownable2Step_init_unchained() internal onlyInitializing {
    }
    /**
     * @dev Returns the address of the pending owner.
     */
    function pendingOwner() public view virtual returns (address) {
        return _pendingOwner;
    }

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

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

    /**
     * @dev The new owner accepts the ownership transfer.
     */
    function acceptOwnership() public virtual {
        address sender = _msgSender();
        require(pendingOwner() == sender, "Ownable2Step: caller is not the new owner");
        _transferOwnership(sender);
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.7.0) (security/Pausable.sol)

pragma solidity ^0.8.0;

import "../utils/ContextUpgradeable.sol";
import {Initializable} from "../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 onlyInitializing {
        __Pausable_init_unchained();
    }

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

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

    /**
     * @dev Modifier to make a function callable only when the contract is paused.
     *
     * Requirements:
     *
     * - The contract must be paused.
     */
    modifier whenPaused() {
        _requirePaused();
        _;
    }

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

    /**
     * @dev Throws if the contract is paused.
     */
    function _requireNotPaused() internal view virtual {
        require(!paused(), "Pausable: paused");
    }

    /**
     * @dev Throws if the contract is not paused.
     */
    function _requirePaused() internal view virtual {
        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());
    }

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/IERC20Metadata.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";

/**
 * @dev Interface for the optional metadata functions from the ERC20 standard.
 *
 * _Available since v4.1._
 */
interface IERC20Metadata is IERC20 {
    /**
     * @dev Returns the name of the token.
     */
    function name() external view returns (string memory);

    /**
     * @dev Returns the symbol of the token.
     */
    function symbol() external view returns (string memory);

    /**
     * @dev Returns the decimals places of the token.
     */
    function decimals() external view returns (uint8);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 standard as defined in the EIP.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the amount of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the amount of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves `amount` tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 amount) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 amount) external returns (bool);

    /**
     * @dev Moves `amount` tokens from `from` to `to` using the
     * allowance mechanism. `amount` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 amount) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.3) (token/ERC20/utils/SafeERC20.sol)

pragma solidity ^0.8.0;

import "../IERC20.sol";
import "../extensions/IERC20Permit.sol";
import "../../../utils/Address.sol";

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using Address for address;

    /**
     * @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    /**
     * @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
     * calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
     */
    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        require(
            (value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    /**
     * @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 oldAllowance = token.allowance(address(this), spender);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance + value));
    }

    /**
     * @dev Decrease the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful.
     */
    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        unchecked {
            uint256 oldAllowance = token.allowance(address(this), spender);
            require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, oldAllowance - value));
        }
    }

    /**
     * @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
     * non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
     * to be set to zero before setting it to a non-zero value, such as USDT.
     */
    function forceApprove(IERC20 token, address spender, uint256 value) internal {
        bytes memory approvalCall = abi.encodeWithSelector(token.approve.selector, spender, value);

        if (!_callOptionalReturnBool(token, approvalCall)) {
            _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, 0));
            _callOptionalReturn(token, approvalCall);
        }
    }

    /**
     * @dev Use a ERC-2612 signature to set the `owner` approval toward `spender` on `token`.
     * Revert on invalid signature.
     */
    function safePermit(
        IERC20Permit token,
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) internal {
        uint256 nonceBefore = token.nonces(owner);
        token.permit(owner, spender, value, deadline, v, r, s);
        uint256 nonceAfter = token.nonces(owner);
        require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        require(returndata.length == 0 || abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     *
     * This is a variant of {_callOptionalReturn} that silents catches all reverts and returns a bool instead.
     */
    function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We cannot use {Address-functionCall} here since this should return false
        // and not revert is the subcall reverts.

        (bool success, bytes memory returndata) = address(token).call(data);
        return
            success && (returndata.length == 0 || abi.decode(returndata, (bool))) && Address.isContract(address(token));
    }
}

// SPDX-License-Identifier: MIT
// We use a floating point pragma here so it can be used within other projects that interact with the ZKsync ecosystem without using our exact pragma version.
pragma solidity ^0.8.21;

import {IL1SharedBridge} from "./IL1SharedBridge.sol";

/// @title L1 Bridge contract legacy interface
/// @author Matter Labs
/// @custom:security-contact [email protected]
/// @notice Legacy Bridge interface before hyperchain migration, used for backward compatibility with ZKsync Era
interface IL1ERC20Bridge {
    event DepositInitiated(
        bytes32 indexed l2DepositTxHash,
        address indexed from,
        address indexed to,
        address l1Token,
        uint256 amount
    );

    event WithdrawalFinalized(address indexed to, address indexed l1Token, uint256 amount);

    event ClaimedFailedDeposit(address indexed to, address indexed l1Token, uint256 amount);

    function isWithdrawalFinalized(uint256 _l2BatchNumber, uint256 _l2MessageIndex) external view returns (bool);

    function deposit(
        address _l2Receiver,
        address _l1Token,
        uint256 _amount,
        uint256 _l2TxGasLimit,
        uint256 _l2TxGasPerPubdataByte,
        address _refundRecipient
    ) external payable returns (bytes32 txHash);

    function deposit(
        address _l2Receiver,
        address _l1Token,
        uint256 _amount,
        uint256 _l2TxGasLimit,
        uint256 _l2TxGasPerPubdataByte
    ) external payable returns (bytes32 txHash);

    function claimFailedDeposit(
        address _depositSender,
        address _l1Token,
        bytes32 _l2TxHash,
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes32[] calldata _merkleProof
    ) external;

    function finalizeWithdrawal(
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes calldata _message,
        bytes32[] calldata _merkleProof
    ) external;

    function l2TokenAddress(address _l1Token) external view returns (address);

    function SHARED_BRIDGE() external view returns (IL1SharedBridge);

    function l2TokenBeacon() external view returns (address);

    function l2Bridge() external view returns (address);

    function depositAmount(
        address _account,
        address _l1Token,
        bytes32 _depositL2TxHash
    ) external returns (uint256 amount);

    function transferTokenToSharedBridge(address _token) external;
}

// SPDX-License-Identifier: MIT
// We use a floating point pragma here so it can be used within other projects that interact with the ZKsync ecosystem without using our exact pragma version.
pragma solidity ^0.8.21;

import {L2TransactionRequestTwoBridgesInner} from "../../bridgehub/IBridgehub.sol";
import {IBridgehub} from "../../bridgehub/IBridgehub.sol";
import {IL1ERC20Bridge} from "./IL1ERC20Bridge.sol";

/// @title L1 Bridge contract interface
/// @author Matter Labs
/// @custom:security-contact [email protected]
interface IL1SharedBridge {
    /// @notice pendingAdmin is changed
    /// @dev Also emitted when new admin is accepted and in this case, `newPendingAdmin` would be zero address
    event NewPendingAdmin(address indexed oldPendingAdmin, address indexed newPendingAdmin);

    /// @notice Admin changed
    event NewAdmin(address indexed oldAdmin, address indexed newAdmin);

    event LegacyDepositInitiated(
        uint256 indexed chainId,
        bytes32 indexed l2DepositTxHash,
        address indexed from,
        address to,
        address l1Token,
        uint256 amount
    );

    event BridgehubDepositInitiated(
        uint256 indexed chainId,
        bytes32 indexed txDataHash,
        address indexed from,
        address to,
        address l1Token,
        uint256 amount
    );

    event BridgehubDepositBaseTokenInitiated(
        uint256 indexed chainId,
        address indexed from,
        address l1Token,
        uint256 amount
    );

    event BridgehubDepositFinalized(
        uint256 indexed chainId,
        bytes32 indexed txDataHash,
        bytes32 indexed l2DepositTxHash
    );

    event WithdrawalFinalizedSharedBridge(
        uint256 indexed chainId,
        address indexed to,
        address indexed l1Token,
        uint256 amount
    );

    event ClaimedFailedDepositSharedBridge(
        uint256 indexed chainId,
        address indexed to,
        address indexed l1Token,
        uint256 amount
    );

    function isWithdrawalFinalized(
        uint256 _chainId,
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex
    ) external view returns (bool);

    function depositLegacyErc20Bridge(
        address _msgSender,
        address _l2Receiver,
        address _l1Token,
        uint256 _amount,
        uint256 _l2TxGasLimit,
        uint256 _l2TxGasPerPubdataByte,
        address _refundRecipient
    ) external payable returns (bytes32 txHash);

    function claimFailedDepositLegacyErc20Bridge(
        address _depositSender,
        address _l1Token,
        uint256 _amount,
        bytes32 _l2TxHash,
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes32[] calldata _merkleProof
    ) external;

    function claimFailedDeposit(
        uint256 _chainId,
        address _depositSender,
        address _l1Token,
        uint256 _amount,
        bytes32 _l2TxHash,
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes32[] calldata _merkleProof
    ) external;

    function finalizeWithdrawalLegacyErc20Bridge(
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes calldata _message,
        bytes32[] calldata _merkleProof
    ) external returns (address l1Receiver, address l1Token, uint256 amount);

    function finalizeWithdrawal(
        uint256 _chainId,
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes calldata _message,
        bytes32[] calldata _merkleProof
    ) external;

    function setEraPostDiamondUpgradeFirstBatch(uint256 _eraPostDiamondUpgradeFirstBatch) external;

    function setEraPostLegacyBridgeUpgradeFirstBatch(uint256 _eraPostLegacyBridgeUpgradeFirstBatch) external;

    function setEraLegacyBridgeLastDepositTime(
        uint256 _eraLegacyBridgeLastDepositBatch,
        uint256 _eraLegacyBridgeLastDepositTxNumber
    ) external;

    function L1_WETH_TOKEN() external view returns (address);

    function BRIDGE_HUB() external view returns (IBridgehub);

    function legacyBridge() external view returns (IL1ERC20Bridge);

    function l2BridgeAddress(uint256 _chainId) external view returns (address);

    function depositHappened(uint256 _chainId, bytes32 _l2TxHash) external view returns (bytes32);

    /// data is abi encoded :
    /// address _l1Token,
    /// uint256 _amount,
    /// address _l2Receiver
    function bridgehubDeposit(
        uint256 _chainId,
        address _prevMsgSender,
        uint256 _l2Value,
        bytes calldata _data
    ) external payable returns (L2TransactionRequestTwoBridgesInner memory request);

    function bridgehubDepositBaseToken(
        uint256 _chainId,
        address _prevMsgSender,
        address _l1Token,
        uint256 _amount
    ) external payable;

    function bridgehubConfirmL2Transaction(uint256 _chainId, bytes32 _txDataHash, bytes32 _txHash) external;

    function receiveEth(uint256 _chainId) external payable;

    /// @notice Starts the transfer of admin rights. Only the current admin can propose a new pending one.
    /// @notice New admin can accept admin rights by calling `acceptAdmin` function.
    /// @param _newPendingAdmin Address of the new admin
    function setPendingAdmin(address _newPendingAdmin) external;

    /// @notice Accepts transfer of admin rights. Only pending admin can accept the role.
    function acceptAdmin() external;
}

// SPDX-License-Identifier: MIT
// We use a floating point pragma here so it can be used within other projects that interact with the ZKsync ecosystem without using our exact pragma version.
pragma solidity ^0.8.21;

/// @author Matter Labs
interface IL2Bridge {
    function finalizeDeposit(
        address _l1Sender,
        address _l2Receiver,
        address _l1Token,
        uint256 _amount,
        bytes calldata _data
    ) external;

    function withdraw(address _l1Receiver, address _l2Token, uint256 _amount) external;

    function l1TokenAddress(address _l2Token) external view returns (address);

    function l2TokenAddress(address _l1Token) external view returns (address);

    function l1Bridge() external view returns (address);
}

// SPDX-License-Identifier: MIT
// We use a floating point pragma here so it can be used within other projects that interact with the ZKsync ecosystem without using our exact pragma version.
pragma solidity ^0.8.21;

import {IZkSyncHyperchainBase} from "./IZkSyncHyperchainBase.sol";
import {L2CanonicalTransaction, L2Log, L2Message, TxStatus, BridgehubL2TransactionRequest} from "../../common/Messaging.sol";

/// @title The interface of the ZKsync Mailbox contract that provides interfaces for L1 <-> L2 interaction.
/// @author Matter Labs
/// @custom:security-contact [email protected]
interface IMailbox is IZkSyncHyperchainBase {
    /// @notice Prove that a specific arbitrary-length message was sent in a specific L2 batch number
    /// @param _batchNumber The executed L2 batch number in which the message appeared
    /// @param _index The position in the L2 logs Merkle tree of the l2Log that was sent with the message
    /// @param _message Information about the sent message: sender address, the message itself, tx index in the L2 batch where the message was sent
    /// @param _proof Merkle proof for inclusion of L2 log that was sent with the message
    /// @return Whether the proof is valid
    function proveL2MessageInclusion(
        uint256 _batchNumber,
        uint256 _index,
        L2Message calldata _message,
        bytes32[] calldata _proof
    ) external view returns (bool);

    /// @notice Prove that a specific L2 log was sent in a specific L2 batch
    /// @param _batchNumber The executed L2 batch number in which the log appeared
    /// @param _index The position of the l2log in the L2 logs Merkle tree
    /// @param _log Information about the sent log
    /// @param _proof Merkle proof for inclusion of the L2 log
    /// @return Whether the proof is correct and L2 log is included in batch
    function proveL2LogInclusion(
        uint256 _batchNumber,
        uint256 _index,
        L2Log memory _log,
        bytes32[] calldata _proof
    ) external view returns (bool);

    /// @notice Prove that the L1 -> L2 transaction was processed with the specified status.
    /// @param _l2TxHash The L2 canonical transaction hash
    /// @param _l2BatchNumber The L2 batch number where the transaction was processed
    /// @param _l2MessageIndex The position in the L2 logs Merkle tree of the l2Log that was sent with the message
    /// @param _l2TxNumberInBatch The L2 transaction number in the batch, in which the log was sent
    /// @param _merkleProof The Merkle proof of the processing L1 -> L2 transaction
    /// @param _status The execution status of the L1 -> L2 transaction (true - success & 0 - fail)
    /// @return Whether the proof is correct and the transaction was actually executed with provided status
    /// NOTE: It may return `false` for incorrect proof, but it doesn't mean that the L1 -> L2 transaction has an opposite status!
    function proveL1ToL2TransactionStatus(
        bytes32 _l2TxHash,
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes32[] calldata _merkleProof,
        TxStatus _status
    ) external view returns (bool);

    /// @notice Finalize the withdrawal and release funds
    /// @param _l2BatchNumber The L2 batch number where the withdrawal was processed
    /// @param _l2MessageIndex The position in the L2 logs Merkle tree of the l2Log that was sent with the message
    /// @param _l2TxNumberInBatch The L2 transaction number in a batch, in which the log was sent
    /// @param _message The L2 withdraw data, stored in an L2 -> L1 message
    /// @param _merkleProof The Merkle proof of the inclusion L2 -> L1 message about withdrawal initialization
    function finalizeEthWithdrawal(
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes calldata _message,
        bytes32[] calldata _merkleProof
    ) external;

    /// @notice Request execution of L2 transaction from L1.
    /// @param _contractL2 The L2 receiver address
    /// @param _l2Value `msg.value` of L2 transaction
    /// @param _calldata The input of the L2 transaction
    /// @param _l2GasLimit Maximum amount of L2 gas that transaction can consume during execution on L2
    /// @param _l2GasPerPubdataByteLimit The maximum amount L2 gas that the operator may charge the user for single byte of pubdata.
    /// @param _factoryDeps An array of L2 bytecodes that will be marked as known on L2
    /// @param _refundRecipient The address on L2 that will receive the refund for the transaction.
    /// @dev If the L2 deposit finalization transaction fails, the `_refundRecipient` will receive the `_l2Value`.
    /// Please note, the contract may change the refund recipient's address to eliminate sending funds to addresses out of control.
    /// - If `_refundRecipient` is a contract on L1, the refund will be sent to the aliased `_refundRecipient`.
    /// - If `_refundRecipient` is set to `address(0)` and the sender has NO deployed bytecode on L1, the refund will be sent to the `msg.sender` address.
    /// - If `_refundRecipient` is set to `address(0)` and the sender has deployed bytecode on L1, the refund will be sent to the aliased `msg.sender` address.
    /// @dev The address aliasing of L1 contracts as refund recipient on L2 is necessary to guarantee that the funds are controllable,
    /// since address aliasing to the from address for the L2 tx will be applied if the L1 `msg.sender` is a contract.
    /// Without address aliasing for L1 contracts as refund recipients they would not be able to make proper L2 tx requests
    /// through the Mailbox to use or withdraw the funds from L2, and the funds would be lost.
    /// @return canonicalTxHash The hash of the requested L2 transaction. This hash can be used to follow the transaction status
    function requestL2Transaction(
        address _contractL2,
        uint256 _l2Value,
        bytes calldata _calldata,
        uint256 _l2GasLimit,
        uint256 _l2GasPerPubdataByteLimit,
        bytes[] calldata _factoryDeps,
        address _refundRecipient
    ) external payable returns (bytes32 canonicalTxHash);

    function bridgehubRequestL2Transaction(
        BridgehubL2TransactionRequest calldata _request
    ) external returns (bytes32 canonicalTxHash);

    /// @notice Estimates the cost in Ether of requesting execution of an L2 transaction from L1
    /// @param _gasPrice expected L1 gas price at which the user requests the transaction execution
    /// @param _l2GasLimit Maximum amount of L2 gas that transaction can consume during execution on L2
    /// @param _l2GasPerPubdataByteLimit The maximum amount of L2 gas that the operator may charge the user for a single byte of pubdata.
    /// @return The estimated ETH spent on L2 gas for the transaction
    function l2TransactionBaseCost(
        uint256 _gasPrice,
        uint256 _l2GasLimit,
        uint256 _l2GasPerPubdataByteLimit
    ) external view returns (uint256);

    /// @notice transfer Eth to shared bridge as part of migration process
    function transferEthToSharedBridge() external;

    /// @notice New priority request event. Emitted when a request is placed into the priority queue
    /// @param txId Serial number of the priority operation
    /// @param txHash keccak256 hash of encoded transaction representation
    /// @param expirationTimestamp Timestamp up to which priority request should be processed
    /// @param transaction The whole transaction structure that is requested to be executed on L2
    /// @param factoryDeps An array of bytecodes that were shown in the L1 public data.
    /// Will be marked as known bytecodes in L2
    event NewPriorityRequest(
        uint256 txId,
        bytes32 txHash,
        uint64 expirationTimestamp,
        L2CanonicalTransaction transaction,
        bytes[] factoryDeps
    );
}

// SPDX-License-Identifier: MIT
// We use a floating point pragma here so it can be used within other projects that interact with the ZKsync ecosystem without using our exact pragma version.
pragma solidity ^0.8.21;

/// @dev The enum that represents the transaction execution status
/// @param Failure The transaction execution failed
/// @param Success The transaction execution succeeded
enum TxStatus {
    Failure,
    Success
}

/// @dev The log passed from L2
/// @param l2ShardId The shard identifier, 0 - rollup, 1 - porter
/// All other values are not used but are reserved for the future
/// @param isService A boolean flag that is part of the log along with `key`, `value`, and `sender` address.
/// This field is required formally but does not have any special meaning
/// @param txNumberInBatch The L2 transaction number in a Batch, in which the log was sent
/// @param sender The L2 address which sent the log
/// @param key The 32 bytes of information that was sent in the log
/// @param value The 32 bytes of information that was sent in the log
// Both `key` and `value` are arbitrary 32-bytes selected by the log sender
struct L2Log {
    uint8 l2ShardId;
    bool isService;
    uint16 txNumberInBatch;
    address sender;
    bytes32 key;
    bytes32 value;
}

/// @dev An arbitrary length message passed from L2
/// @notice Under the hood it is `L2Log` sent from the special system L2 contract
/// @param txNumberInBatch The L2 transaction number in a Batch, in which the message was sent
/// @param sender The address of the L2 account from which the message was passed
/// @param data An arbitrary length message
struct L2Message {
    uint16 txNumberInBatch;
    address sender;
    bytes data;
}

/// @dev Internal structure that contains the parameters for the writePriorityOp
/// internal function.
/// @param txId The id of the priority transaction.
/// @param l2GasPrice The gas price for the l2 priority operation.
/// @param expirationTimestamp The timestamp by which the priority operation must be processed by the operator.
/// @param request The external calldata request for the priority operation.
struct WritePriorityOpParams {
    uint256 txId;
    uint256 l2GasPrice;
    uint64 expirationTimestamp;
    BridgehubL2TransactionRequest request;
}

/// @dev Structure that includes all fields of the L2 transaction
/// @dev The hash of this structure is the "canonical L2 transaction hash" and can
/// be used as a unique identifier of a tx
/// @param txType The tx type number, depending on which the L2 transaction can be
/// interpreted differently
/// @param from The sender's address. `uint256` type for possible address format changes
/// and maintaining backward compatibility
/// @param to The recipient's address. `uint256` type for possible address format changes
/// and maintaining backward compatibility
/// @param gasLimit The L2 gas limit for L2 transaction. Analog to the `gasLimit` on an
/// L1 transactions
/// @param gasPerPubdataByteLimit Maximum number of L2 gas that will cost one byte of pubdata
/// (every piece of data that will be stored on L1 as calldata)
/// @param maxFeePerGas The absolute maximum sender willing to pay per unit of L2 gas to get
/// the transaction included in a Batch. Analog to the EIP-1559 `maxFeePerGas` on an L1 transactions
/// @param maxPriorityFeePerGas The additional fee that is paid directly to the validator
/// to incentivize them to include the transaction in a Batch. Analog to the EIP-1559
/// `maxPriorityFeePerGas` on an L1 transactions
/// @param paymaster The address of the EIP-4337 paymaster, that will pay fees for the
/// transaction. `uint256` type for possible address format changes and maintaining backward compatibility
/// @param nonce The nonce of the transaction. For L1->L2 transactions it is the priority
/// operation Id
/// @param value The value to pass with the transaction
/// @param reserved The fixed-length fields for usage in a future extension of transaction
/// formats
/// @param data The calldata that is transmitted for the transaction call
/// @param signature An abstract set of bytes that are used for transaction authorization
/// @param factoryDeps The set of L2 bytecode hashes whose preimages were shown on L1
/// @param paymasterInput The arbitrary-length data that is used as a calldata to the paymaster pre-call
/// @param reservedDynamic The arbitrary-length field for usage in a future extension of transaction formats
struct L2CanonicalTransaction {
    uint256 txType;
    uint256 from;
    uint256 to;
    uint256 gasLimit;
    uint256 gasPerPubdataByteLimit;
    uint256 maxFeePerGas;
    uint256 maxPriorityFeePerGas;
    uint256 paymaster;
    uint256 nonce;
    uint256 value;
    // In the future, we might want to add some
    // new fields to the struct. The `txData` struct
    // is to be passed to account and any changes to its structure
    // would mean a breaking change to these accounts. To prevent this,
    // we should keep some fields as "reserved"
    // It is also recommended that their length is fixed, since
    // it would allow easier proof integration (in case we will need
    // some special circuit for preprocessing transactions)
    uint256[4] reserved;
    bytes data;
    bytes signature;
    uint256[] factoryDeps;
    bytes paymasterInput;
    // Reserved dynamic type for the future use-case. Using it should be avoided,
    // But it is still here, just in case we want to enable some additional functionality
    bytes reservedDynamic;
}

/// @param sender The sender's address.
/// @param contractAddressL2 The address of the contract on L2 to call.
/// @param valueToMint The amount of base token that should be minted on L2 as the result of this transaction.
/// @param l2Value The msg.value of the L2 transaction.
/// @param l2Calldata The calldata for the L2 transaction.
/// @param l2GasLimit The limit of the L2 gas for the L2 transaction
/// @param l2GasPerPubdataByteLimit The price for a single pubdata byte in L2 gas.
/// @param factoryDeps The array of L2 bytecodes that the tx depends on.
/// @param refundRecipient The recipient of the refund for the transaction on L2. If the transaction fails, then
/// this address will receive the `l2Value`.
// solhint-disable-next-line gas-struct-packing
struct BridgehubL2TransactionRequest {
    address sender;
    address contractL2;
    uint256 mintValue;
    uint256 l2Value;
    bytes l2Calldata;
    uint256 l2GasLimit;
    uint256 l2GasPerPubdataByteLimit;
    bytes[] factoryDeps;
    address refundRecipient;
}

// SPDX-License-Identifier: MIT
// We use a floating point pragma here so it can be used within other projects that interact with the ZKsync ecosystem without using our exact pragma version.
pragma solidity ^0.8.21;

/**
 * @author Matter Labs
 * @custom:security-contact [email protected]
 * @dev The library provides a set of functions that help read data from an "abi.encodePacked" byte array.
 * @dev Each of the functions accepts the `bytes memory` and the offset where data should be read and returns a value of a certain type.
 *
 * @dev WARNING!
 * 1) Functions don't check the length of the bytes array, so it can go out of bounds.
 * The user of the library must check for bytes length before using any functions from the library!
 *
 * 2) Read variables are not cleaned up - https://docs.soliditylang.org/en/v0.8.16/internals/variable_cleanup.html.
 * Using data in inline assembly can lead to unexpected behavior!
 */
library UnsafeBytes {
    function readUint32(bytes memory _bytes, uint256 _start) internal pure returns (uint32 result, uint256 offset) {
        assembly {
            offset := add(_start, 4)
            result := mload(add(_bytes, offset))
        }
    }

    function readAddress(bytes memory _bytes, uint256 _start) internal pure returns (address result, uint256 offset) {
        assembly {
            offset := add(_start, 20)
            result := mload(add(_bytes, offset))
        }
    }

    function readUint256(bytes memory _bytes, uint256 _start) internal pure returns (uint256 result, uint256 offset) {
        assembly {
            offset := add(_start, 32)
            result := mload(add(_bytes, offset))
        }
    }

    function readBytes32(bytes memory _bytes, uint256 _start) internal pure returns (bytes32 result, uint256 offset) {
        assembly {
            offset := add(_start, 32)
            result := mload(add(_bytes, offset))
        }
    }
}

// SPDX-License-Identifier: MIT
// We use a floating point pragma here so it can be used within other projects that interact with the ZKsync ecosystem without using our exact pragma version.
pragma solidity ^0.8.21;

import {SlotOccupied, NotInitializedReentrancyGuard, Reentrancy} from "./L1ContractErrors.sol";

/**
 * @custom:security-contact [email protected]
 * @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].
 *
 * _Since v2.5.0:_ this module is now much more gas efficient, given net gas
 * metering changes introduced in the Istanbul hardfork.
 */
abstract contract ReentrancyGuard {
    /// @dev Address of lock flag variable.
    /// @dev Flag is placed at random memory location to not interfere with Storage contract.
    // keccak256("ReentrancyGuard") - 1;
    uint256 private constant LOCK_FLAG_ADDRESS = 0x8e94fed44239eb2314ab7a406345e6c5a8f0ccedf3b600de3d004e672c33abf4;

    // solhint-disable-next-line max-line-length
    // https://github.com/OpenZeppelin/openzeppelin-contracts/blob/566a774222707e424896c0c390a84dc3c13bdcb2/contracts/security/ReentrancyGuard.sol
    // 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;

    modifier reentrancyGuardInitializer() {
        _initializeReentrancyGuard();
        _;
    }

    function _initializeReentrancyGuard() private {
        uint256 lockSlotOldValue;

        // Storing an initial non-zero value makes deployment a bit more
        // expensive but in exchange every call to nonReentrant
        // will be cheaper.
        assembly {
            lockSlotOldValue := sload(LOCK_FLAG_ADDRESS)
            sstore(LOCK_FLAG_ADDRESS, _NOT_ENTERED)
        }

        // Check that storage slot for reentrancy guard is empty to rule out possibility of slot conflict
        if (lockSlotOldValue != 0) {
            revert SlotOccupied();
        }
    }

    /**
     * @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() {
        uint256 _status;
        assembly {
            _status := sload(LOCK_FLAG_ADDRESS)
        }

        if (_status == 0) {
            revert NotInitializedReentrancyGuard();
        }
        // On the first call to nonReentrant, _NOT_ENTERED will be true
        if (_status != _NOT_ENTERED) {
            revert Reentrancy();
        }

        // Any calls to nonReentrant after this point will fail
        assembly {
            sstore(LOCK_FLAG_ADDRESS, _ENTERED)
        }

        _;

        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        assembly {
            sstore(LOCK_FLAG_ADDRESS, _NOT_ENTERED)
        }
    }
}

// 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.
 */
// We use a floating point pragma here so it can be used within other projects that interact with the ZKsync ecosystem without using our exact pragma version.
pragma solidity ^0.8.21;

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

    /// @notice Utility function converts the address that submitted a tx
    /// to the inbox on L1 to the msg.sender viewed on 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 on L2 to the
    /// address that submitted a tx to the inbox on L1
    /// @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);
        }
    }

    /// @notice Utility function used to calculate the correct refund recipient
    /// @param _refundRecipient the address that should receive the refund
    /// @param _prevMsgSender the address that triggered the tx to L2
    /// @return _recipient the corrected address that should receive the refund
    function actualRefundRecipient(
        address _refundRecipient,
        address _prevMsgSender
    ) internal view returns (address _recipient) {
        if (_refundRecipient == address(0)) {
            // If the `_refundRecipient` is not provided, we use the `_prevMsgSender` as the recipient.
            // solhint-disable avoid-tx-origin
            // slither-disable-next-line tx-origin
            _recipient = _prevMsgSender == tx.origin
                ? _prevMsgSender
                : AddressAliasHelper.applyL1ToL2Alias(_prevMsgSender);
            // solhint-enable avoid-tx-origin
        } else if (_refundRecipient.code.length > 0) {
            // If the `_refundRecipient` is a smart contract, we apply the L1 to L2 alias to prevent foot guns.
            _recipient = AddressAliasHelper.applyL1ToL2Alias(_refundRecipient);
        } else {
            _recipient = _refundRecipient;
        }
    }
}

// SPDX-License-Identifier: MIT
// We use a floating point pragma here so it can be used within other projects that interact with the ZKsync ecosystem without using our exact pragma version.
pragma solidity ^0.8.21;

/// @dev `keccak256("")`
bytes32 constant EMPTY_STRING_KECCAK = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;

/// @dev Bytes in raw L2 log
/// @dev Equal to the bytes size of the tuple - (uint8 ShardId, bool isService, uint16 txNumberInBatch, address sender,
/// bytes32 key, bytes32 value)
uint256 constant L2_TO_L1_LOG_SERIALIZE_SIZE = 88;

/// @dev The maximum length of the bytes array with L2 -> L1 logs
uint256 constant MAX_L2_TO_L1_LOGS_COMMITMENT_BYTES = 4 + L2_TO_L1_LOG_SERIALIZE_SIZE * 512;

/// @dev The value of default leaf hash for L2 -> L1 logs Merkle tree
/// @dev An incomplete fixed-size tree is filled with this value to be a full binary tree
/// @dev Actually equal to the `keccak256(new bytes(L2_TO_L1_LOG_SERIALIZE_SIZE))`
bytes32 constant L2_L1_LOGS_TREE_DEFAULT_LEAF_HASH = 0x72abee45b59e344af8a6e520241c4744aff26ed411f4c4b00f8af09adada43ba;

// TODO: change constant to the real root hash of empty Merkle tree (SMA-184)
bytes32 constant DEFAULT_L2_LOGS_TREE_ROOT_HASH = bytes32(0);

/// @dev Denotes the type of the ZKsync transaction that came from L1.
uint256 constant PRIORITY_OPERATION_L2_TX_TYPE = 255;

/// @dev Denotes the type of the ZKsync transaction that is used for system upgrades.
uint256 constant SYSTEM_UPGRADE_L2_TX_TYPE = 254;

/// @dev The maximal allowed difference between protocol minor versions in an upgrade. The 100 gap is needed
/// in case a protocol version has been tested on testnet, but then not launched on mainnet, e.g.
/// due to a bug found.
/// We are allowed to jump at most 100 minor versions at a time. The major version is always expected to be 0.
uint256 constant MAX_ALLOWED_MINOR_VERSION_DELTA = 100;

/// @dev The amount of time in seconds the validator has to process the priority transaction
/// NOTE: The constant is set to zero for the Alpha release period
uint256 constant PRIORITY_EXPIRATION = 0 days;

/// @dev Timestamp - seconds since unix epoch.
uint256 constant COMMIT_TIMESTAMP_NOT_OLDER = 3 days;

/// @dev Maximum available error between real commit batch timestamp and analog used in the verifier (in seconds)
/// @dev Must be used cause miner's `block.timestamp` value can differ on some small value (as we know - 12 seconds)
uint256 constant COMMIT_TIMESTAMP_APPROXIMATION_DELTA = 1 hours;

/// @dev Shift to apply to verify public input before verifying.
uint256 constant PUBLIC_INPUT_SHIFT = 32;

/// @dev The maximum number of L2 gas that a user can request for an L2 transaction
uint256 constant MAX_GAS_PER_TRANSACTION = 80_000_000;

/// @dev Even though the price for 1 byte of pubdata is 16 L1 gas, we have a slightly increased
/// value.
uint256 constant L1_GAS_PER_PUBDATA_BYTE = 17;

/// @dev The intrinsic cost of the L1->l2 transaction in computational L2 gas
uint256 constant L1_TX_INTRINSIC_L2_GAS = 167_157;

/// @dev The intrinsic cost of the L1->l2 transaction in pubdata
uint256 constant L1_TX_INTRINSIC_PUBDATA = 88;

/// @dev The minimal base price for L1 transaction
uint256 constant L1_TX_MIN_L2_GAS_BASE = 173_484;

/// @dev The number of L2 gas the transaction starts costing more with each 544 bytes of encoding
uint256 constant L1_TX_DELTA_544_ENCODING_BYTES = 1656;

/// @dev The number of L2 gas an L1->L2 transaction gains with each new factory dependency
uint256 constant L1_TX_DELTA_FACTORY_DEPS_L2_GAS = 2473;

/// @dev The number of L2 gas an L1->L2 transaction gains with each new factory dependency
uint256 constant L1_TX_DELTA_FACTORY_DEPS_PUBDATA = 64;

/// @dev The number of pubdata an L1->L2 transaction requires with each new factory dependency
uint256 constant MAX_NEW_FACTORY_DEPS = 32;

/// @dev The L2 gasPricePerPubdata required to be used in bridges.
uint256 constant REQUIRED_L2_GAS_PRICE_PER_PUBDATA = 800;

/// @dev The mask which should be applied to the packed batch and L2 block timestamp in order
/// to obtain the L2 block timestamp. Applying this mask is equivalent to calculating modulo 2**128
uint256 constant PACKED_L2_BLOCK_TIMESTAMP_MASK = 0xffffffffffffffffffffffffffffffff;

/// @dev Address of the point evaluation precompile used for EIP-4844 blob verification.
address constant POINT_EVALUATION_PRECOMPILE_ADDR = address(0x0A);

/// @dev The overhead for a transaction slot in L2 gas.
/// It is roughly equal to 80kk/MAX_TRANSACTIONS_IN_BATCH, i.e. how many gas would an L1->L2 transaction
/// need to pay to compensate for the batch being closed.
/// @dev It is expected that the L1 contracts will enforce that the L2 gas price will be high enough to compensate
/// the operator in case the batch is closed because of tx slots filling up.
uint256 constant TX_SLOT_OVERHEAD_L2_GAS = 10000;

/// @dev The overhead for each byte of the bootloader memory that the encoding of the transaction.
/// It is roughly equal to 80kk/BOOTLOADER_MEMORY_FOR_TXS, i.e. how many gas would an L1->L2 transaction
/// need to pay to compensate for the batch being closed.
/// @dev It is expected that the L1 contracts will enforce that the L2 gas price will be high enough to compensate
/// the operator in case the batch is closed because of the memory for transactions being filled up.
uint256 constant MEMORY_OVERHEAD_GAS = 10;

/// @dev The maximum gas limit for a priority transaction in L2.
uint256 constant PRIORITY_TX_MAX_GAS_LIMIT = 72_000_000;

address constant ETH_TOKEN_ADDRESS = address(1);

bytes32 constant TWO_BRIDGES_MAGIC_VALUE = bytes32(uint256(keccak256("TWO_BRIDGES_MAGIC_VALUE")) - 1);

/// @dev https://eips.ethereum.org/EIPS/eip-1352
address constant BRIDGEHUB_MIN_SECOND_BRIDGE_ADDRESS = address(uint160(type(uint16).max));

// SPDX-License-Identifier: MIT
// We use a floating point pragma here so it can be used within other projects that interact with the ZKsync ecosystem without using our exact pragma version.
pragma solidity ^0.8.21;

import {IL1SharedBridge} from "../bridge/interfaces/IL1SharedBridge.sol";
import {L2Message, L2Log, TxStatus} from "../common/Messaging.sol";

struct L2TransactionRequestDirect {
    uint256 chainId;
    uint256 mintValue;
    address l2Contract;
    uint256 l2Value;
    bytes l2Calldata;
    uint256 l2GasLimit;
    uint256 l2GasPerPubdataByteLimit;
    bytes[] factoryDeps;
    address refundRecipient;
}

struct L2TransactionRequestTwoBridgesOuter {
    uint256 chainId;
    uint256 mintValue;
    uint256 l2Value;
    uint256 l2GasLimit;
    uint256 l2GasPerPubdataByteLimit;
    address refundRecipient;
    address secondBridgeAddress;
    uint256 secondBridgeValue;
    bytes secondBridgeCalldata;
}

struct L2TransactionRequestTwoBridgesInner {
    bytes32 magicValue;
    address l2Contract;
    bytes l2Calldata;
    bytes[] factoryDeps;
    bytes32 txDataHash;
}

interface IBridgehub {
    /// @notice pendingAdmin is changed
    /// @dev Also emitted when new admin is accepted and in this case, `newPendingAdmin` would be zero address
    event NewPendingAdmin(address indexed oldPendingAdmin, address indexed newPendingAdmin);

    /// @notice Admin changed
    event NewAdmin(address indexed oldAdmin, address indexed newAdmin);

    /// @notice Starts the transfer of admin rights. Only the current admin can propose a new pending one.
    /// @notice New admin can accept admin rights by calling `acceptAdmin` function.
    /// @param _newPendingAdmin Address of the new admin
    function setPendingAdmin(address _newPendingAdmin) external;

    /// @notice Accepts transfer of admin rights. Only pending admin can accept the role.
    function acceptAdmin() external;

    /// Getters
    function stateTransitionManagerIsRegistered(address _stateTransitionManager) external view returns (bool);

    function stateTransitionManager(uint256 _chainId) external view returns (address);

    function tokenIsRegistered(address _baseToken) external view returns (bool);

    function baseToken(uint256 _chainId) external view returns (address);

    function sharedBridge() external view returns (IL1SharedBridge);

    function getHyperchain(uint256 _chainId) external view returns (address);

    /// Mailbox forwarder

    function proveL2MessageInclusion(
        uint256 _chainId,
        uint256 _batchNumber,
        uint256 _index,
        L2Message calldata _message,
        bytes32[] calldata _proof
    ) external view returns (bool);

    function proveL2LogInclusion(
        uint256 _chainId,
        uint256 _batchNumber,
        uint256 _index,
        L2Log memory _log,
        bytes32[] calldata _proof
    ) external view returns (bool);

    function proveL1ToL2TransactionStatus(
        uint256 _chainId,
        bytes32 _l2TxHash,
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes32[] calldata _merkleProof,
        TxStatus _status
    ) external view returns (bool);

    function requestL2TransactionDirect(
        L2TransactionRequestDirect calldata _request
    ) external payable returns (bytes32 canonicalTxHash);

    function requestL2TransactionTwoBridges(
        L2TransactionRequestTwoBridgesOuter calldata _request
    ) external payable returns (bytes32 canonicalTxHash);

    function l2TransactionBaseCost(
        uint256 _chainId,
        uint256 _gasPrice,
        uint256 _l2GasLimit,
        uint256 _l2GasPerPubdataByteLimit
    ) external view returns (uint256);

    //// Registry

    function createNewChain(
        uint256 _chainId,
        address _stateTransitionManager,
        address _baseToken,
        uint256 _salt,
        address _admin,
        bytes calldata _initData
    ) external returns (uint256 chainId);

    function addStateTransitionManager(address _stateTransitionManager) external;

    function removeStateTransitionManager(address _stateTransitionManager) external;

    function addToken(address _token) external;

    function setSharedBridge(address _sharedBridge) external;

    event NewChain(uint256 indexed chainId, address stateTransitionManager, address indexed chainGovernance);
}

// SPDX-License-Identifier: MIT
// We use a floating point pragma here so it can be used within other projects that interact with the ZKsync ecosystem without using our exact pragma version.
pragma solidity ^0.8.21;

import {PriorityOperation} from "../libraries/PriorityQueue.sol";
import {VerifierParams} from "../chain-interfaces/IVerifier.sol";
import {PubdataPricingMode} from "../chain-deps/ZkSyncHyperchainStorage.sol";
import {IZkSyncHyperchainBase} from "./IZkSyncHyperchainBase.sol";

/// @title The interface of the Getters Contract that implements functions for getting contract state from outside the blockchain.
/// @author Matter Labs
/// @custom:security-contact [email protected]
interface IGetters is IZkSyncHyperchainBase {
    /*//////////////////////////////////////////////////////////////
                            CUSTOM GETTERS
    //////////////////////////////////////////////////////////////*/

    /// @return The address of the verifier smart contract
    function getVerifier() external view returns (address);

    /// @return The address of the current admin
    function getAdmin() external view returns (address);

    /// @return The address of the pending admin
    function getPendingAdmin() external view returns (address);

    /// @return The address of the bridgehub
    function getBridgehub() external view returns (address);

    /// @return The address of the state transition
    function getStateTransitionManager() external view returns (address);

    /// @return The address of the base token
    function getBaseToken() external view returns (address);

    /// @return The address of the base token bridge
    function getBaseTokenBridge() external view returns (address);

    /// @return The total number of batches that were committed
    function getTotalBatchesCommitted() external view returns (uint256);

    /// @return The total number of batches that were committed & verified
    function getTotalBatchesVerified() external view returns (uint256);

    /// @return The total number of batches that were committed & verified & executed
    function getTotalBatchesExecuted() external view returns (uint256);

    /// @return The total number of priority operations that were added to the priority queue, including all processed ones
    function getTotalPriorityTxs() external view returns (uint256);

    /// @notice The function that returns the first unprocessed priority transaction.
    /// @dev Returns zero if and only if no operations were processed from the queue.
    /// @dev If all the transactions were processed, it will return the last processed index, so
    /// in case exactly *unprocessed* transactions are needed, one should check that getPriorityQueueSize() is greater than 0.
    /// @return Index of the oldest priority operation that wasn't processed yet
    function getFirstUnprocessedPriorityTx() external view returns (uint256);

    /// @return The number of priority operations currently in the queue
    function getPriorityQueueSize() external view returns (uint256);

    /// @return The first unprocessed priority operation from the queue
    function priorityQueueFrontOperation() external view returns (PriorityOperation memory);

    /// @return Whether the address has a validator access
    function isValidator(address _address) external view returns (bool);

    /// @return merkleRoot Merkle root of the tree with L2 logs for the selected batch
    function l2LogsRootHash(uint256 _batchNumber) external view returns (bytes32 merkleRoot);

    /// @notice For unfinalized (non executed) batches may change
    /// @dev returns zero for non-committed batches
    /// @return The hash of committed L2 batch.
    function storedBatchHash(uint256 _batchNumber) external view returns (bytes32);

    /// @return Bytecode hash of bootloader program.
    function getL2BootloaderBytecodeHash() external view returns (bytes32);

    /// @return Bytecode hash of default account (bytecode for EOA).
    function getL2DefaultAccountBytecodeHash() external view returns (bytes32);

    /// @return Verifier parameters.
    /// @dev This function is deprecated and will soon be removed.
    function getVerifierParams() external view returns (VerifierParams memory);

    /// @return Whether the diamond is frozen or not
    function isDiamondStorageFrozen() external view returns (bool);

    /// @return The current packed protocol version. To access human-readable version, use `getSemverProtocolVersion` function.
    function getProtocolVersion() external view returns (uint256);

    /// @return The tuple of (major, minor, patch) protocol version.
    function getSemverProtocolVersion() external view returns (uint32, uint32, uint32);

    /// @return The upgrade system contract transaction hash, 0 if the upgrade is not initialized
    function getL2SystemContractsUpgradeTxHash() external view returns (bytes32);

    /// @return The L2 batch number in which the upgrade transaction was processed.
    /// @dev It is equal to 0 in the following two cases:
    /// - No upgrade transaction has ever been processed.
    /// - The upgrade transaction has been processed and the batch with such transaction has been
    /// executed (i.e. finalized).
    function getL2SystemContractsUpgradeBatchNumber() external view returns (uint256);

    /// @return The maximum number of L2 gas that a user can request for L1 -> L2 transactions
    function getPriorityTxMaxGasLimit() external view returns (uint256);

    /// @return Whether a withdrawal has been finalized.
    /// @param _l2BatchNumber The L2 batch number within which the withdrawal happened.
    /// @param _l2MessageIndex The index of the L2->L1 message denoting the withdrawal.
    function isEthWithdrawalFinalized(uint256 _l2BatchNumber, uint256 _l2MessageIndex) external view returns (bool);

    /// @return The pubdata pricing mode.
    function getPubdataPricingMode() external view returns (PubdataPricingMode);

    /// @return the baseTokenGasPriceMultiplierNominator, used to compare the baseTokenPrice to ether for L1->L2 transactions
    function baseTokenGasPriceMultiplierNominator() external view returns (uint128);

    /// @return the baseTokenGasPriceMultiplierDenominator, used to compare the baseTokenPrice to ether for L1->L2 transactions
    function baseTokenGasPriceMultiplierDenominator() external view returns (uint128);

    /*//////////////////////////////////////////////////////////////
                            DIAMOND LOUPE
    //////////////////////////////////////////////////////////////*/

    /// @notice Faсet structure compatible with the EIP-2535 diamond loupe
    /// @param addr The address of the facet contract
    /// @param selectors The NON-sorted array with selectors associated with facet
    struct Facet {
        address addr;
        bytes4[] selectors;
    }

    /// @return result All facet addresses and their function selectors
    function facets() external view returns (Facet[] memory);

    /// @return NON-sorted array with function selectors supported by a specific facet
    function facetFunctionSelectors(address _facet) external view returns (bytes4[] memory);

    /// @return facets NON-sorted array of facet addresses supported on diamond
    function facetAddresses() external view returns (address[] memory facets);

    /// @return facet The facet address associated with a selector. Zero if the selector is not added to the diamond
    function facetAddress(bytes4 _selector) external view returns (address facet);

    /// @return Whether the selector can be frozen by the admin or always accessible
    function isFunctionFreezable(bytes4 _selector) external view returns (bool);

    /// @return isFreezable Whether the facet can be frozen by the admin or always accessible
    function isFacetFreezable(address _facet) external view returns (bool isFreezable);
}

// SPDX-License-Identifier: MIT
// We use a floating point pragma here so it can be used within other projects that interact with the ZKsync ecosystem without using our exact pragma version.
pragma solidity ^0.8.21;

/// @dev The formal address of the initial program of the system: the bootloader
address constant L2_BOOTLOADER_ADDRESS = address(0x8001);

/// @dev The address of the known code storage system contract
address constant L2_KNOWN_CODE_STORAGE_SYSTEM_CONTRACT_ADDR = address(0x8004);

/// @dev The address of the L2 deployer system contract.
address constant L2_DEPLOYER_SYSTEM_CONTRACT_ADDR = address(0x8006);

/// @dev The special reserved L2 address. It is located in the system contracts space but doesn't have deployed
/// bytecode.
/// @dev The L2 deployer system contract allows changing bytecodes on any address if the `msg.sender` is this address.
/// @dev So, whenever the governor wants to redeploy system contracts, it just initiates the L1 upgrade call deployer
/// system contract
/// via the L1 -> L2 transaction with `sender == L2_FORCE_DEPLOYER_ADDR`. For more details see the
/// `diamond-initializers` contracts.
address constant L2_FORCE_DEPLOYER_ADDR = address(0x8007);

/// @dev The address of the special smart contract that can send arbitrary length message as an L2 log
address constant L2_TO_L1_MESSENGER_SYSTEM_CONTRACT_ADDR = address(0x8008);

/// @dev The address of the eth token system contract
address constant L2_BASE_TOKEN_SYSTEM_CONTRACT_ADDR = address(0x800a);

/// @dev The address of the context system contract
address constant L2_SYSTEM_CONTEXT_SYSTEM_CONTRACT_ADDR = address(0x800b);

/// @dev The address of the pubdata chunk publisher contract
address constant L2_PUBDATA_CHUNK_PUBLISHER_ADDR = address(0x8011);

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.21;

// 0x1ff9d522
error AddressAlreadyUsed(address addr);
// 0x86bb51b8
error AddressHasNoCode(address);
// 0x1eee5481
error AddressTooLow(address);
// 0x6afd6c20
error BadReturnData();
// 0x6ef9a972
error BaseTokenGasPriceDenominatorNotSet();
// 0x55ad3fd3
error BatchHashMismatch(bytes32 expected, bytes32 actual);
// 0x2078a6a0
error BatchNotExecuted(uint256 batchNumber);
// 0xbd4455ff
error BatchNumberMismatch(uint256 expectedBatchNumber, uint256 providedBatchNumber);
// 0xafd53e2f
error BlobHashCommitmentError(uint256 index, bool blobHashEmpty, bool blobCommitmentEmpty);
// 0x6cf12312
error BridgeHubAlreadyRegistered();
// 0xcf102c5a
error CalldataLengthTooBig();
// 0xe85392f9
error CanOnlyProcessOneBatch();
// 0x00c6ead2
error CantExecuteUnprovenBatches();
// 0xe18cb383
error CantRevertExecutedBatch();
// 0x78d2ed02
error ChainAlreadyLive();
// 0x8f620a06
error ChainIdTooBig();
// 0xf7a01e4d
error DelegateCallFailed(bytes returnData);
// 0x0a8ed92c
error DenominatorIsZero();
// 0xc7c9660f
error DepositDoesNotExist();
// 0xad2fa98e
error DepositExists();
// 0x79cacff1
error DepositFailed();
// 0xae08e4af
error DepositIncorrectAmount(uint256 expectedAmt, uint256 providedAmt);
// 0x0e7ee319
error DiamondAlreadyFrozen();
// 0x682dabb4
error DiamondFreezeIncorrectState();
// 0xa7151b9a
error DiamondNotFrozen();
// 0xfc7ab1d3
error EmptyBlobVersionHash(uint256 index);
// 0x95b66fe9
error EmptyDeposit();
// 0xac4a3f98
error FacetExists(bytes4 selector, address);
// 0x79e12cc3
error FacetIsFrozen(bytes4 func);
// 0xc91cf3b1
error GasPerPubdataMismatch();
// 0x6d4a7df8
error GenesisBatchCommitmentZero();
// 0x7940c83f
error GenesisBatchHashZero();
// 0xb4fc6835
error GenesisIndexStorageZero();
// 0x3a1a8589
error GenesisUpgradeZero();
// 0xd356e6ba
error HashedLogIsDefault();
// 0x0b08d5be
error HashMismatch(bytes32 expected, bytes32 actual);
// 0xb615c2b1
error HyperchainLimitReached();
// 0x826fb11e
error InsufficientChainBalance();
// 0x356680b7
error InsufficientFunds();
// 0x7a47c9a2
error InvalidChainId();
// 0x4fbe5dba
error InvalidDelay();
// 0x0af806e0
error InvalidHash();
// 0xc1780bd6
error InvalidLogSender(address sender, uint256 logKey);
// 0xd8e9405c
error InvalidNumberOfBlobs(uint256 expected, uint256 numCommitments, uint256 numHashes);
// 0x09bde339
error InvalidProof();
// 0x5428eae7
error InvalidProtocolVersion();
// 0x53e6d04d
error InvalidPubdataCommitmentsSize();
// 0x5513177c
error InvalidPubdataHash(bytes32 expectedHash, bytes32 provided);
// 0x9094af7e
error InvalidPubdataLength();
// 0xc5d09071
error InvalidPubdataMode();
// 0x6f1cf752
error InvalidPubdataPricingMode();
// 0x12ba286f
error InvalidSelector(bytes4 func);
// 0x5cb29523
error InvalidTxType(uint256 txType);
// 0x5f1aa154
error InvalidUpgradeTxn(UpgradeTxVerifyParam);
// 0xaa7feadc
error InvalidValue();
// 0xa4f62e33
error L2BridgeNotDeployed(uint256 chainId);
// 0xff8811ff
error L2BridgeNotSet(uint256 chainId);
// 0xcb5e4247
error L2BytecodeHashMismatch(bytes32 expected, bytes32 provided);
// 0xfb5c22e6
error L2TimestampTooBig();
// 0xd2c011d6
error L2UpgradeNonceNotEqualToNewProtocolVersion(uint256 nonce, uint256 protocolVersion);
// 0x97e1359e
error L2WithdrawalMessageWrongLength(uint256 messageLen);
// 0x32eb8b2f
error LegacyMethodIsSupportedOnlyForEra();
// 0xe37d2c02
error LengthIsNotDivisibleBy32(uint256 length);
// 0x1b6825bb
error LogAlreadyProcessed(uint8);
// 0x43e266b0
error MalformedBytecode(BytecodeError);
// 0x59170bf0
error MalformedCalldata();
// 0x16509b9a
error MalformedMessage();
// 0x9bb54c35
error MerkleIndexOutOfBounds();
// 0x8e23ac1a
error MerklePathEmpty();
// 0x1c500385
error MerklePathOutOfBounds();
// 0xfa44b527
error MissingSystemLogs(uint256 expected, uint256 actual);
// 0x4a094431
error MsgValueMismatch(uint256 expectedMsgValue, uint256 providedMsgValue);
// 0xb385a3da
error MsgValueTooLow(uint256 required, uint256 provided);
// 0x72ea85ad
error NewProtocolMajorVersionNotZero();
// 0x79cc2d22
error NoCallsProvided();
// 0xa6fef710
error NoFunctionsForDiamondCut();
// 0xcab098d8
error NoFundsTransferred();
// 0x92290acc
error NonEmptyBlobVersionHash(uint256 index);
// 0xc21b1ab7
error NonEmptyCalldata();
// 0x536ec84b
error NonEmptyMsgValue();
// 0xd018e08e
error NonIncreasingTimestamp();
// 0x0105f9c0
error NonSequentialBatch();
// 0x4ef79e5a
error NonZeroAddress(address);
// 0xdd629f86
error NotEnoughGas();
// 0xdd7e3621
error NotInitializedReentrancyGuard();
// 0xf3ed9dfa
error OnlyEraSupported();
// 0x1a21feed
error OperationExists();
// 0xeda2fbb1
error OperationMustBePending();
// 0xe1c1ff37
error OperationMustBeReady();
// 0xd7f50a9d
error PatchCantSetUpgradeTxn();
// 0x962fd7d0
error PatchUpgradeCantSetBootloader();
// 0x559cc34e
error PatchUpgradeCantSetDefaultAccount();
// 0x8d5851de
error PointEvalCallFailed(bytes);
// 0x4daa985d
error PointEvalFailed(bytes);
// 0x9b48e060
error PreviousOperationNotExecuted();
// 0x5c598b60
error PreviousProtocolMajorVersionNotZero();
// 0xa0f47245
error PreviousUpgradeNotCleaned();
// 0x101ba748
error PreviousUpgradeNotFinalized(bytes32 txHash);
// 0xd5a99014
error PriorityOperationsRollingHashMismatch();
// 0x1a4d284a
error PriorityTxPubdataExceedsMaxPubDataPerBatch();
// 0xa461f651
error ProtocolIdMismatch(uint256 expectedProtocolVersion, uint256 providedProtocolId);
// 0x64f94ec2
error ProtocolIdNotGreater();
// 0xd328c12a
error ProtocolVersionMinorDeltaTooBig(uint256 limit, uint256 proposed);
// 0x88d7b498
error ProtocolVersionTooSmall();
// 0x53dee67b
error PubdataCommitmentsEmpty();
// 0x7734c31a
error PubdataCommitmentsTooBig();
// 0x959f26fb
error PubdataGreaterThanLimit(uint256 limit, uint256 length);
// 0x2a4a14df
error PubdataPerBatchIsLessThanTxn();
// 0x63c36549
error QueueIsEmpty();
// 0xab143c06
error Reentrancy();
// 0x667d17de
error RemoveFunctionFacetAddressNotZero(address facet);
// 0xa2d4b16c
error RemoveFunctionFacetAddressZero();
// 0x3580370c
error ReplaceFunctionFacetAddressZero();
// 0xdab52f4b
error RevertedBatchBeforeNewBatch();
// 0x9a67c1cb
error RevertedBatchNotAfterNewLastBatch();
// 0xd3b6535b
error SelectorsMustAllHaveSameFreezability();
// 0x7774d2f9
error SharedBridgeValueNotSet(SharedBridgeKey);
// 0xc1d9246c
error SharedBridgeBalanceMismatch();
// 0x856d5b77
error SharedBridgeNotSet();
// 0xcac5fc40
error SharedBridgeValueAlreadySet(SharedBridgeKey);
// 0xdf3a8fdd
error SlotOccupied();
// 0xd0bc70cf
error STMAlreadyRegistered();
// 0x09865e10
error STMNotRegistered();
// 0xae43b424
error SystemLogsSizeTooBig();
// 0x08753982
error TimeNotReached(uint256 expectedTimestamp, uint256 actualTimestamp);
// 0x2d50c33b
error TimestampError();
// 0x4f4b634e
error TokenAlreadyRegistered(address token);
// 0xddef98d7
error TokenNotRegistered(address token);
// 0x06439c6b
error TokenNotSupported(address token);
// 0x23830e28
error TokensWithFeesNotSupported();
// 0xf640f0e5
error TooManyBlobs();
// 0x76da24b9
error TooManyFactoryDeps();
// 0xf0b4e88f
error TooMuchGas();
// 0x00c5a6a9
error TransactionNotAllowed();
// 0x4c991078
error TxHashMismatch();
// 0x2e311df8
error TxnBodyGasLimitNotEnoughGas();
// 0x8e4a23d6
error Unauthorized(address caller);
// 0xe52478c7
error UndefinedDiamondCutAction();
// 0x07218375
error UnexpectedNumberOfFactoryDeps();
// 0x6aa39880
error UnexpectedSystemLog(uint256 logKey);
// 0xf093c2e5
error UpgradeBatchNumberIsNotZero();
// 0x47b3b145
error ValidateTxnNotEnoughGas();
// 0x626ade30
error ValueMismatch(uint256 expected, uint256 actual);
// 0xe1022469
error VerifiedBatchesExceedsCommittedBatches();
// 0x2dbdba00
error VerifyProofCommittedVerifiedMismatch();
// 0xae899454
error WithdrawalAlreadyFinalized();
// 0x27fcd9d1
error WithdrawalFailed();
// 0x750b219c
error WithdrawFailed();
// 0x15e8e429
error WrongMagicValue(uint256 expectedMagicValue, uint256 providedMagicValue);
// 0xd92e233d
error ZeroAddress();
// 0x669567ea
error ZeroBalance();
// 0xc84885d4
error ZeroChainId();

enum SharedBridgeKey {
    PostUpgradeFirstBatch,
    LegacyBridgeFirstBatch,
    LegacyBridgeLastDepositBatch,
    LegacyBridgeLastDepositTxn
}

enum BytecodeError {
    Version,
    NumberOfWords,
    Length,
    WordsMustBeOdd
}

enum UpgradeTxVerifyParam {
    From,
    To,
    Paymaster,
    Value,
    MaxFeePerGas,
    MaxPriorityFeePerGas,
    Reserved0,
    Reserved1,
    Reserved2,
    Reserved3,
    Signature,
    PaymasterInput,
    ReservedDynamic
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../utils/ContextUpgradeable.sol";
import {Initializable} from "../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 onlyInitializing {
        __Ownable_init_unchained();
    }

    function __Ownable_init_unchained() internal onlyInitializing {
        _transferOwnership(_msgSender());
    }

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

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

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

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _transferOwnership(newOwner);
    }

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

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[49] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (proxy/utils/Initializable.sol)

pragma solidity ^0.8.2;

import "../../utils/AddressUpgradeable.sol";

/**
 * @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 proxied contracts do not make use of 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.
 *
 * The initialization functions use a version number. Once a version number is used, it is consumed and cannot be
 * reused. This mechanism prevents re-execution of each "step" but allows the creation of new initialization steps in
 * case an upgrade adds a module that needs to be initialized.
 *
 * For example:
 *
 * [.hljs-theme-light.nopadding]
 * ```solidity
 * contract MyToken is ERC20Upgradeable {
 *     function initialize() initializer public {
 *         __ERC20_init("MyToken", "MTK");
 *     }
 * }
 *
 * contract MyTokenV2 is MyToken, ERC20PermitUpgradeable {
 *     function initializeV2() reinitializer(2) public {
 *         __ERC20Permit_init("MyToken");
 *     }
 * }
 * ```
 *
 * 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.
 *
 * [CAUTION]
 * ====
 * Avoid leaving a contract uninitialized.
 *
 * An uninitialized contract can be taken over by an attacker. This applies to both a proxy and its implementation
 * contract, which may impact the proxy. To prevent the implementation contract from being used, you should invoke
 * the {_disableInitializers} function in the constructor to automatically lock it when it is deployed:
 *
 * [.hljs-theme-light.nopadding]
 * ```
 * /// @custom:oz-upgrades-unsafe-allow constructor
 * constructor() {
 *     _disableInitializers();
 * }
 * ```
 * ====
 */
abstract contract Initializable {
    /**
     * @dev Indicates that the contract has been initialized.
     * @custom:oz-retyped-from bool
     */
    uint8 private _initialized;

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

    /**
     * @dev Triggered when the contract has been initialized or reinitialized.
     */
    event Initialized(uint8 version);

    /**
     * @dev A modifier that defines a protected initializer function that can be invoked at most once. In its scope,
     * `onlyInitializing` functions can be used to initialize parent contracts.
     *
     * Similar to `reinitializer(1)`, except that functions marked with `initializer` can be nested in the context of a
     * constructor.
     *
     * Emits an {Initialized} event.
     */
    modifier initializer() {
        bool isTopLevelCall = !_initializing;
        require(
            (isTopLevelCall && _initialized < 1) || (!AddressUpgradeable.isContract(address(this)) && _initialized == 1),
            "Initializable: contract is already initialized"
        );
        _initialized = 1;
        if (isTopLevelCall) {
            _initializing = true;
        }
        _;
        if (isTopLevelCall) {
            _initializing = false;
            emit Initialized(1);
        }
    }

    /**
     * @dev A modifier that defines a protected reinitializer function that can be invoked at most once, and only if the
     * contract hasn't been initialized to a greater version before. In its scope, `onlyInitializing` functions can be
     * used to initialize parent contracts.
     *
     * A reinitializer may be used after the original initialization step. This is essential to configure modules that
     * are added through upgrades and that require initialization.
     *
     * When `version` is 1, this modifier is similar to `initializer`, except that functions marked with `reinitializer`
     * cannot be nested. If one is invoked in the context of another, execution will revert.
     *
     * Note that versions can jump in increments greater than 1; this implies that if multiple reinitializers coexist in
     * a contract, executing them in the right order is up to the developer or operator.
     *
     * WARNING: setting the version to 255 will prevent any future reinitialization.
     *
     * Emits an {Initialized} event.
     */
    modifier reinitializer(uint8 version) {
        require(!_initializing && _initialized < version, "Initializable: contract is already initialized");
        _initialized = version;
        _initializing = true;
        _;
        _initializing = false;
        emit Initialized(version);
    }

    /**
     * @dev Modifier to protect an initialization function so that it can only be invoked by functions with the
     * {initializer} and {reinitializer} modifiers, directly or indirectly.
     */
    modifier onlyInitializing() {
        require(_initializing, "Initializable: contract is not initializing");
        _;
    }

    /**
     * @dev Locks the contract, preventing any future reinitialization. This cannot be part of an initializer call.
     * Calling this in the constructor of a contract will prevent that contract from being initialized or reinitialized
     * to any version. It is recommended to use this to lock implementation contracts that are designed to be called
     * through proxies.
     *
     * Emits an {Initialized} event the first time it is successfully executed.
     */
    function _disableInitializers() internal virtual {
        require(!_initializing, "Initializable: contract is initializing");
        if (_initialized != type(uint8).max) {
            _initialized = type(uint8).max;
            emit Initialized(type(uint8).max);
        }
    }

    /**
     * @dev Returns the highest version that has been initialized. See {reinitializer}.
     */
    function _getInitializedVersion() internal view returns (uint8) {
        return _initialized;
    }

    /**
     * @dev Returns `true` if the contract is currently initializing. See {onlyInitializing}.
     */
    function _isInitializing() internal view returns (bool) {
        return _initializing;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)

pragma solidity ^0.8.0;
import {Initializable} from "../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 onlyInitializing {
    }

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

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

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

    /**
     * @dev This empty reserved space is put in place to allow future versions to add new
     * variables without shifting down storage in the inheritance chain.
     * See https://docs.openzeppelin.com/contracts/4.x/upgradeable#storage_gaps
     */
    uint256[50] private __gap;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (token/ERC20/extensions/IERC20Permit.sol)

pragma solidity ^0.8.0;

/**
 * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
 * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
 *
 * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
 * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
 * need to send a transaction, and thus is not required to hold Ether at all.
 *
 * ==== Security Considerations
 *
 * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature
 * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be
 * considered as an intention to spend the allowance in any specific way. The second is that because permits have
 * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should
 * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be
 * generally recommended is:
 *
 * ```solidity
 * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public {
 *     try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {}
 *     doThing(..., value);
 * }
 *
 * function doThing(..., uint256 value) public {
 *     token.safeTransferFrom(msg.sender, address(this), value);
 *     ...
 * }
 * ```
 *
 * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of
 * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also
 * {SafeERC20-safeTransferFrom}).
 *
 * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so
 * contracts should have entry points that don't rely on permit.
 */
interface IERC20Permit {
    /**
     * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
     * given ``owner``'s signed approval.
     *
     * IMPORTANT: The same issues {IERC20-approve} has related to transaction
     * ordering also apply here.
     *
     * Emits an {Approval} event.
     *
     * Requirements:
     *
     * - `spender` cannot be the zero address.
     * - `deadline` must be a timestamp in the future.
     * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
     * over the EIP712-formatted function arguments.
     * - the signature must use ``owner``'s current nonce (see {nonces}).
     *
     * For more information on the signature format, see the
     * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
     * section].
     *
     * CAUTION: See Security Considerations above.
     */
    function permit(
        address owner,
        address spender,
        uint256 value,
        uint256 deadline,
        uint8 v,
        bytes32 r,
        bytes32 s
    ) external;

    /**
     * @dev Returns the current nonce for `owner`. This value must be
     * included whenever a signature is generated for {permit}.
     *
     * Every successful call to {permit} increases ``owner``'s nonce by one. This
     * prevents a signature from being used multiple times.
     */
    function nonces(address owner) external view returns (uint256);

    /**
     * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
     */
    // solhint-disable-next-line func-name-mixedcase
    function DOMAIN_SEPARATOR() external view returns (bytes32);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

// SPDX-License-Identifier: MIT
// We use a floating point pragma here so it can be used within other projects that interact with the zkSync ecosystem without using our exact pragma version.
pragma solidity ^0.8.21;

/// @title The interface of the ZKsync contract, responsible for the main ZKsync logic.
/// @author Matter Labs
/// @custom:security-contact [email protected]
interface IZkSyncHyperchainBase {
    /// @return Returns facet name.
    function getName() external view returns (string memory);
}

// SPDX-License-Identifier: MIT
// We use a floating point pragma here so it can be used within other projects that interact with the ZKsync ecosystem without using our exact pragma version.
pragma solidity ^0.8.21;

import {QueueIsEmpty} from "../../common/L1ContractErrors.sol";

/// @notice The structure that contains meta information of the L2 transaction that was requested from L1
/// @dev The weird size of fields was selected specifically to minimize the structure storage size
/// @param canonicalTxHash Hashed L2 transaction data that is needed to process it
/// @param expirationTimestamp Expiration timestamp for this request (must be satisfied before)
/// @param layer2Tip Additional payment to the validator as an incentive to perform the operation
struct PriorityOperation {
    bytes32 canonicalTxHash;
    uint64 expirationTimestamp;
    uint192 layer2Tip;
}

/// @author Matter Labs
/// @custom:security-contact [email protected]
/// @dev The library provides the API to interact with the priority queue container
/// @dev Order of processing operations from queue - FIFO (Fist in - first out)
library PriorityQueue {
    using PriorityQueue for Queue;

    /// @notice Container that stores priority operations
    /// @param data The inner mapping that saves priority operation by its index
    /// @param head The pointer to the first unprocessed priority operation, equal to the tail if the queue is empty
    /// @param tail The pointer to the free slot
    struct Queue {
        mapping(uint256 priorityOpId => PriorityOperation priorityOp) data;
        uint256 tail;
        uint256 head;
    }

    /// @notice Returns zero if and only if no operations were processed from the queue
    /// @return Index of the oldest priority operation that wasn't processed yet
    function getFirstUnprocessedPriorityTx(Queue storage _queue) internal view returns (uint256) {
        return _queue.head;
    }

    /// @return The total number of priority operations that were added to the priority queue, including all processed ones
    function getTotalPriorityTxs(Queue storage _queue) internal view returns (uint256) {
        return _queue.tail;
    }

    /// @return The total number of unprocessed priority operations in a priority queue
    function getSize(Queue storage _queue) internal view returns (uint256) {
        return uint256(_queue.tail - _queue.head);
    }

    /// @return Whether the priority queue contains no operations
    function isEmpty(Queue storage _queue) internal view returns (bool) {
        return _queue.tail == _queue.head;
    }

    /// @notice Add the priority operation to the end of the priority queue
    function pushBack(Queue storage _queue, PriorityOperation memory _operation) internal {
        // Save value into the stack to avoid double reading from the storage
        uint256 tail = _queue.tail;

        _queue.data[tail] = _operation;
        _queue.tail = tail + 1;
    }

    /// @return The first unprocessed priority operation from the queue
    function front(Queue storage _queue) internal view returns (PriorityOperation memory) {
        // priority queue is empty
        if (_queue.isEmpty()) {
            revert QueueIsEmpty();
        }

        return _queue.data[_queue.head];
    }

    /// @notice Remove the first unprocessed priority operation from the queue
    /// @return priorityOperation that was popped from the priority queue
    function popFront(Queue storage _queue) internal returns (PriorityOperation memory priorityOperation) {
        // priority queue is empty
        if (_queue.isEmpty()) {
            revert QueueIsEmpty();
        }

        // Save value into the stack to avoid double reading from the storage
        uint256 head = _queue.head;

        priorityOperation = _queue.data[head];
        delete _queue.data[head];
        _queue.head = head + 1;
    }
}

// SPDX-License-Identifier: MIT
// We use a floating point pragma here so it can be used within other projects that interact with the ZKsync ecosystem without using our exact pragma version.
pragma solidity ^0.8.21;

/// @notice Part of the configuration parameters of ZKP circuits
struct VerifierParams {
    bytes32 recursionNodeLevelVkHash;
    bytes32 recursionLeafLevelVkHash;
    bytes32 recursionCircuitsSetVksHash;
}

/// @title The interface of the Verifier contract, responsible for the zero knowledge proof verification.
/// @author Matter Labs
/// @custom:security-contact [email protected]
interface IVerifier {
    /// @dev Verifies a zk-SNARK proof.
    /// @return A boolean value indicating whether the zk-SNARK proof is valid.
    /// Note: The function may revert execution instead of returning false in some cases.
    function verify(
        uint256[] calldata _publicInputs,
        uint256[] calldata _proof,
        uint256[] calldata _recursiveAggregationInput
    ) external view returns (bool);

    /// @notice Calculates a keccak256 hash of the runtime loaded verification keys.
    /// @return vkHash The keccak256 hash of the loaded verification keys.
    function verificationKeyHash() external pure returns (bytes32);
}

// SPDX-License-Identifier: MIT

pragma solidity 0.8.24;

import {IVerifier, VerifierParams} from "../chain-interfaces/IVerifier.sol";
import {PriorityQueue} from "../../state-transition/libraries/PriorityQueue.sol";

/// @notice Indicates whether an upgrade is initiated and if yes what type
/// @param None Upgrade is NOT initiated
/// @param Transparent Fully transparent upgrade is initiated, upgrade data is publicly known
/// @param Shadow Shadow upgrade is initiated, upgrade data is hidden
enum UpgradeState {
    None,
    Transparent,
    Shadow
}

/// @dev Logically separated part of the storage structure, which is responsible for everything related to proxy
/// upgrades and diamond cuts
/// @param proposedUpgradeHash The hash of the current upgrade proposal, zero if there is no active proposal
/// @param state Indicates whether an upgrade is initiated and if yes what type
/// @param securityCouncil Address which has the permission to approve instant upgrades (expected to be a Gnosis
/// multisig)
/// @param approvedBySecurityCouncil Indicates whether the security council has approved the upgrade
/// @param proposedUpgradeTimestamp The timestamp when the upgrade was proposed, zero if there are no active proposals
/// @param currentProposalId The serial number of proposed upgrades, increments when proposing a new one
struct UpgradeStorage {
    bytes32 proposedUpgradeHash;
    UpgradeState state;
    address securityCouncil;
    bool approvedBySecurityCouncil;
    uint40 proposedUpgradeTimestamp;
    uint40 currentProposalId;
}

/// @notice The struct that describes whether users will be charged for pubdata for L1->L2 transactions.
/// @param Rollup The users are charged for pubdata & it is priced based on the gas price on Ethereum.
/// @param Validium The pubdata is considered free with regard to the L1 gas price.
enum PubdataPricingMode {
    Rollup,
    Validium
}

/// @notice The fee params for L1->L2 transactions for the network.
/// @param pubdataPricingMode How the users will charged for pubdata in L1->L2 transactions.
/// @param batchOverheadL1Gas The amount of L1 gas required to process the batch (except for the calldata).
/// @param maxPubdataPerBatch The maximal number of pubdata that can be emitted per batch.
/// @param priorityTxMaxPubdata The maximal amount of pubdata a priority transaction is allowed to publish.
/// It can be slightly less than maxPubdataPerBatch in order to have some margin for the bootloader execution.
/// @param minimalL2GasPrice The minimal L2 gas price to be used by L1->L2 transactions. It should represent
/// the price that a single unit of compute costs.
struct FeeParams {
    PubdataPricingMode pubdataPricingMode;
    uint32 batchOverheadL1Gas;
    uint32 maxPubdataPerBatch;
    uint32 maxL2GasPerBatch;
    uint32 priorityTxMaxPubdata;
    uint64 minimalL2GasPrice;
}

/// @dev storing all storage variables for hyperchain diamond facets
/// NOTE: It is used in a proxy, so it is possible to add new variables to the end
/// but NOT to modify already existing variables or change their order.
/// NOTE: variables prefixed with '__DEPRECATED_' are deprecated and shouldn't be used.
/// Their presence is maintained for compatibility and to prevent storage collision.
// solhint-disable-next-line gas-struct-packing
struct ZkSyncHyperchainStorage {
    /// @dev Storage of variables needed for deprecated diamond cut facet
    uint256[7] __DEPRECATED_diamondCutStorage;
    /// @notice Address which will exercise critical changes to the Diamond Proxy (upgrades, freezing & unfreezing). Replaced by STM
    address __DEPRECATED_governor;
    /// @notice Address that the governor proposed as one that will replace it
    address __DEPRECATED_pendingGovernor;
    /// @notice List of permitted validators
    mapping(address validatorAddress => bool isValidator) validators;
    /// @dev Verifier contract. Used to verify aggregated proof for batches
    IVerifier verifier;
    /// @notice Total number of executed batches i.e. batches[totalBatchesExecuted] points at the latest executed batch
    /// (batch 0 is genesis)
    uint256 totalBatchesExecuted;
    /// @notice Total number of proved batches i.e. batches[totalBatchesProved] points at the latest proved batch
    uint256 totalBatchesVerified;
    /// @notice Total number of committed batches i.e. batches[totalBatchesCommitted] points at the latest committed
    /// batch
    uint256 totalBatchesCommitted;
    /// @dev Stored hashed StoredBatch for batch number
    mapping(uint256 batchNumber => bytes32 batchHash) storedBatchHashes;
    /// @dev Stored root hashes of L2 -> L1 logs
    mapping(uint256 batchNumber => bytes32 l2LogsRootHash) l2LogsRootHashes;
    /// @dev Container that stores transactions requested from L1
    PriorityQueue.Queue priorityQueue;
    /// @dev The smart contract that manages the list with permission to call contract functions
    address __DEPRECATED_allowList;
    VerifierParams __DEPRECATED_verifierParams;
    /// @notice Bytecode hash of bootloader program.
    /// @dev Used as an input to zkp-circuit.
    bytes32 l2BootloaderBytecodeHash;
    /// @notice Bytecode hash of default account (bytecode for EOA).
    /// @dev Used as an input to zkp-circuit.
    bytes32 l2DefaultAccountBytecodeHash;
    /// @dev Indicates that the porter may be touched on L2 transactions.
    /// @dev Used as an input to zkp-circuit.
    bool zkPorterIsAvailable;
    /// @dev The maximum number of the L2 gas that a user can request for L1 -> L2 transactions
    /// @dev This is the maximum number of L2 gas that is available for the "body" of the transaction, i.e.
    /// without overhead for proving the batch.
    uint256 priorityTxMaxGasLimit;
    /// @dev Storage of variables needed for upgrade facet
    UpgradeStorage __DEPRECATED_upgrades;
    /// @dev A mapping L2 batch number => message number => flag.
    /// @dev The L2 -> L1 log is sent for every withdrawal, so this mapping is serving as
    /// a flag to indicate that the message was already processed.
    /// @dev Used to indicate that eth withdrawal was already processed
    mapping(uint256 l2BatchNumber => mapping(uint256 l2ToL1MessageNumber => bool isFinalized)) isEthWithdrawalFinalized;
    /// @dev The most recent withdrawal time and amount reset
    uint256 __DEPRECATED_lastWithdrawalLimitReset;
    /// @dev The accumulated withdrawn amount during the withdrawal limit window
    uint256 __DEPRECATED_withdrawnAmountInWindow;
    /// @dev A mapping user address => the total deposited amount by the user
    mapping(address => uint256) __DEPRECATED_totalDepositedAmountPerUser;
    /// @dev Stores the protocol version. Note, that the protocol version may not only encompass changes to the
    /// smart contracts, but also to the node behavior.
    uint256 protocolVersion;
    /// @dev Hash of the system contract upgrade transaction. If 0, then no upgrade transaction needs to be done.
    bytes32 l2SystemContractsUpgradeTxHash;
    /// @dev Batch number where the upgrade transaction has happened. If 0, then no upgrade transaction has happened
    /// yet.
    uint256 l2SystemContractsUpgradeBatchNumber;
    /// @dev Address which will exercise non-critical changes to the Diamond Proxy (changing validator set & unfreezing)
    address admin;
    /// @notice Address that the admin proposed as one that will replace admin role
    address pendingAdmin;
    /// @dev Fee params used to derive gasPrice for the L1->L2 transactions. For L2 transactions,
    /// the bootloader gives enough freedom to the operator.
    FeeParams feeParams;
    /// @dev Address of the blob versioned hash getter smart contract used for EIP-4844 versioned hashes.
    address blobVersionedHashRetriever;
    /// @dev The chainId of the chain
    uint256 chainId;
    /// @dev The address of the bridgehub
    address bridgehub;
    /// @dev The address of the StateTransitionManager
    address stateTransitionManager;
    /// @dev The address of the baseToken contract. Eth is address(1)
    address baseToken;
    /// @dev The address of the baseTokenbridge. Eth also uses the shared bridge
    address baseTokenBridge;
    /// @notice gasPriceMultiplier for each baseToken, so that each L1->L2 transaction pays for its transaction on the destination
    /// we multiply by the nominator, and divide by the denominator
    uint128 baseTokenGasPriceMultiplierNominator;
    uint128 baseTokenGasPriceMultiplierDenominator;
    /// @dev The optional address of the contract that has to be used for transaction filtering/whitelisting
    address transactionFilterer;
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (utils/Address.sol)

pragma solidity ^0.8.1;

/**
 * @dev Collection of functions related to the address type
 */
library AddressUpgradeable {
    /**
     * @dev Returns true if `account` is a contract.
     *
     * [IMPORTANT]
     * ====
     * It is unsafe to assume that an address for which this function returns
     * false is an externally-owned account (EOA) and not a contract.
     *
     * Among others, `isContract` will return false for the following
     * types of addresses:
     *
     *  - an externally-owned account
     *  - a contract in construction
     *  - an address where a contract will be created
     *  - an address where a contract lived, but was destroyed
     *
     * Furthermore, `isContract` will also return true if the target contract within
     * the same transaction is already scheduled for destruction by `SELFDESTRUCT`,
     * which only has an effect at the end of a transaction.
     * ====
     *
     * [IMPORTANT]
     * ====
     * You shouldn't rely on `isContract` to protect against flash loan attacks!
     *
     * Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
     * like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
     * constructor.
     * ====
     */
    function isContract(address account) internal view returns (bool) {
        // This method relies on extcodesize/address.code.length, which returns 0
        // for contracts in construction, since the code is only stored at the end
        // of the constructor execution.

        return account.code.length > 0;
    }

    /**
     * @dev Replacement for Solidity's `transfer`: sends `amount` wei to
     * `recipient`, forwarding all available gas and reverting on errors.
     *
     * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
     * of certain opcodes, possibly making contracts go over the 2300 gas limit
     * imposed by `transfer`, making them unable to receive funds via
     * `transfer`. {sendValue} removes this limitation.
     *
     * https://consensys.net/diligence/blog/2019/09/stop-using-soliditys-transfer-now/[Learn more].
     *
     * IMPORTANT: because control is transferred to `recipient`, care must be
     * taken to not create reentrancy vulnerabilities. Consider using
     * {ReentrancyGuard} or the
     * https://solidity.readthedocs.io/en/v0.8.0/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        require(address(this).balance >= amount, "Address: insufficient balance");

        (bool success, ) = recipient.call{value: amount}("");
        require(success, "Address: unable to send value, recipient may have reverted");
    }

    /**
     * @dev Performs a Solidity function call using a low level `call`. A
     * plain `call` is an unsafe replacement for a function call: use this
     * function instead.
     *
     * If `target` reverts with a revert reason, it is bubbled up by this
     * function (like regular Solidity function calls).
     *
     * Returns the raw returned data. To convert to the expected return value,
     * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
     *
     * Requirements:
     *
     * - `target` must be a contract.
     * - calling `target` with `data` must not revert.
     *
     * _Available since v3.1._
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, "Address: low-level call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
     * `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but also transferring `value` wei to `target`.
     *
     * Requirements:
     *
     * - the calling contract must have an ETH balance of at least `value`.
     * - the called Solidity function must be `payable`.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
    }

    /**
     * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
     * with `errorMessage` as a fallback revert reason when `target` reverts.
     *
     * _Available since v3.1._
     */
    function functionCallWithValue(
        address target,
        bytes memory data,
        uint256 value,
        string memory errorMessage
    ) internal returns (bytes memory) {
        require(address(this).balance >= value, "Address: insufficient balance for call");
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        return functionStaticCall(target, data, "Address: low-level static call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a static call.
     *
     * _Available since v3.3._
     */
    function functionStaticCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionDelegateCall(target, data, "Address: low-level delegate call failed");
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
     * but performing a delegate call.
     *
     * _Available since v3.4._
     */
    function functionDelegateCall(
        address target,
        bytes memory data,
        string memory errorMessage
    ) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata, errorMessage);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
     * the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
     *
     * _Available since v4.8._
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal view returns (bytes memory) {
        if (success) {
            if (returndata.length == 0) {
                // only check isContract if the call was successful and the return data is empty
                // otherwise we already know that it was a contract
                require(isContract(target), "Address: call to non-contract");
            }
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
     * revert reason or using the provided one.
     *
     * _Available since v4.3._
     */
    function verifyCallResult(
        bool success,
        bytes memory returndata,
        string memory errorMessage
    ) internal pure returns (bytes memory) {
        if (success) {
            return returndata;
        } else {
            _revert(returndata, errorMessage);
        }
    }

    function _revert(bytes memory returndata, string memory errorMessage) private pure {
        // Look for revert reason and bubble it up if present
        if (returndata.length > 0) {
            // The easiest way to bubble the revert reason is using memory via assembly
            /// @solidity memory-safe-assembly
            assembly {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert(errorMessage);
        }
    }
}

{
  "remappings": [
    "forge-std/=lib/forge-std/src/",
    "murky/=lib/murky/src/",
    "foundry-test/=test/foundry/",
    "@openzeppelin/contracts-v4/=lib/openzeppelin-contracts-v4/contracts/",
    "@openzeppelin/contracts-upgradeable-v4/=lib/openzeppelin-contracts-upgradeable-v4/contracts/",
    "ds-test/=lib/openzeppelin-contracts-v4/lib/forge-std/lib/ds-test/src/",
    "erc4626-tests/=lib/openzeppelin-contracts-v4/lib/erc4626-tests/",
    "openzeppelin-contracts-upgradeable-v4/=lib/openzeppelin-contracts-upgradeable-v4/",
    "openzeppelin-contracts-v4/=lib/openzeppelin-contracts-v4/",
    "openzeppelin-contracts/=lib/murky/lib/openzeppelin-contracts/"
  ],
  "optimizer": {
    "enabled": true,
    "runs": 9999999
  },
  "metadata": {
    "useLiteralContent": false,
    "bytecodeHash": "ipfs",
    "appendCBOR": true
  },
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  },
  "evmVersion": "cancun",
  "viaIR": false,
  "libraries": {}
}

[{"inputs":[{"internalType":"address","name":"_l1WethAddress","type":"address"},{"internalType":"contract IBridgehub","name":"_bridgehub","type":"address"},{"internalType":"uint256","name":"_eraChainId","type":"uint256"},{"internalType":"address","name":"_eraDiamondProxy","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"address","name":"addr","type":"address"}],"name":"AddressAlreadyUsed","type":"error"},{"inputs":[],"name":"DepositDoesNotExist","type":"error"},{"inputs":[],"name":"DepositExists","type":"error"},{"inputs":[{"internalType":"uint256","name":"expectedAmt","type":"uint256"},{"internalType":"uint256","name":"providedAmt","type":"uint256"}],"name":"DepositIncorrectAmount","type":"error"},{"inputs":[],"name":"EmptyDeposit","type":"error"},{"inputs":[],"name":"InsufficientChainBalance","type":"error"},{"inputs":[],"name":"InvalidProof","type":"error"},{"inputs":[{"internalType":"bytes4","name":"func","type":"bytes4"}],"name":"InvalidSelector","type":"error"},{"inputs":[{"internalType":"uint256","name":"chainId","type":"uint256"}],"name":"L2BridgeNotSet","type":"error"},{"inputs":[{"internalType":"uint256","name":"messageLen","type":"uint256"}],"name":"L2WithdrawalMessageWrongLength","type":"error"},{"inputs":[],"name":"NoFundsTransferred","type":"error"},{"inputs":[],"name":"NonEmptyMsgValue","type":"error"},{"inputs":[],"name":"NotInitializedReentrancyGuard","type":"error"},{"inputs":[],"name":"Reentrancy","type":"error"},{"inputs":[],"name":"SharedBridgeBalanceMismatch","type":"error"},{"inputs":[{"internalType":"enum SharedBridgeKey","name":"","type":"uint8"}],"name":"SharedBridgeValueAlreadySet","type":"error"},{"inputs":[{"internalType":"enum SharedBridgeKey","name":"","type":"uint8"}],"name":"SharedBridgeValueNotSet","type":"error"},{"inputs":[],"name":"SlotOccupied","type":"error"},{"inputs":[{"internalType":"address","name":"token","type":"address"}],"name":"TokenNotSupported","type":"error"},{"inputs":[],"name":"TokensWithFeesNotSupported","type":"error"},{"inputs":[{"internalType":"address","name":"caller","type":"address"}],"name":"Unauthorized","type":"error"},{"inputs":[{"internalType":"uint256","name":"expected","type":"uint256"},{"internalType":"uint256","name":"actual","type":"uint256"}],"name":"ValueMismatch","type":"error"},{"inputs":[],"name":"WithdrawFailed","type":"error"},{"inputs":[],"name":"WithdrawalAlreadyFinalized","type":"error"},{"inputs":[],"name":"ZeroAddress","type":"error"},{"inputs":[],"name":"ZeroBalance","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"chainId","type":"uint256"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"address","name":"l1Token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"BridgehubDepositBaseTokenInitiated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"chainId","type":"uint256"},{"indexed":true,"internalType":"bytes32","name":"txDataHash","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"l2DepositTxHash","type":"bytes32"}],"name":"BridgehubDepositFinalized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"chainId","type":"uint256"},{"indexed":true,"internalType":"bytes32","name":"txDataHash","type":"bytes32"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"address","name":"l1Token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"BridgehubDepositInitiated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"chainId","type":"uint256"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"address","name":"l1Token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"ClaimedFailedDepositSharedBridge","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint8","name":"version","type":"uint8"}],"name":"Initialized","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"chainId","type":"uint256"},{"indexed":true,"internalType":"bytes32","name":"l2DepositTxHash","type":"bytes32"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"address","name":"l1Token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"LegacyDepositInitiated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldAdmin","type":"address"},{"indexed":true,"internalType":"address","name":"newAdmin","type":"address"}],"name":"NewAdmin","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldPendingAdmin","type":"address"},{"indexed":true,"internalType":"address","name":"newPendingAdmin","type":"address"}],"name":"NewPendingAdmin","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferStarted","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":false,"internalType":"address","name":"account","type":"address"}],"name":"Unpaused","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"chainId","type":"uint256"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":true,"internalType":"address","name":"l1Token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"WithdrawalFinalizedSharedBridge","type":"event"},{"inputs":[],"name":"BRIDGE_HUB","outputs":[{"internalType":"contract IBridgehub","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"L1_WETH_TOKEN","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"acceptAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"acceptOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"admin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_chainId","type":"uint256"},{"internalType":"bytes32","name":"_txDataHash","type":"bytes32"},{"internalType":"bytes32","name":"_txHash","type":"bytes32"}],"name":"bridgehubConfirmL2Transaction","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_chainId","type":"uint256"},{"internalType":"address","name":"_prevMsgSender","type":"address"},{"internalType":"uint256","name":"_l2Value","type":"uint256"},{"internalType":"bytes","name":"_data","type":"bytes"}],"name":"bridgehubDeposit","outputs":[{"components":[{"internalType":"bytes32","name":"magicValue","type":"bytes32"},{"internalType":"address","name":"l2Contract","type":"address"},{"internalType":"bytes","name":"l2Calldata","type":"bytes"},{"internalType":"bytes[]","name":"factoryDeps","type":"bytes[]"},{"internalType":"bytes32","name":"txDataHash","type":"bytes32"}],"internalType":"struct L2TransactionRequestTwoBridgesInner","name":"request","type":"tuple"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_chainId","type":"uint256"},{"internalType":"address","name":"_prevMsgSender","type":"address"},{"internalType":"address","name":"_l1Token","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"bridgehubDepositBaseToken","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"chainId","type":"uint256"},{"internalType":"address","name":"l1Token","type":"address"}],"name":"chainBalance","outputs":[{"internalType":"uint256","name":"balance","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_chainId","type":"uint256"},{"internalType":"address","name":"_depositSender","type":"address"},{"internalType":"address","name":"_l1Token","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bytes32","name":"_l2TxHash","type":"bytes32"},{"internalType":"uint256","name":"_l2BatchNumber","type":"uint256"},{"internalType":"uint256","name":"_l2MessageIndex","type":"uint256"},{"internalType":"uint16","name":"_l2TxNumberInBatch","type":"uint16"},{"internalType":"bytes32[]","name":"_merkleProof","type":"bytes32[]"}],"name":"claimFailedDeposit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_depositSender","type":"address"},{"internalType":"address","name":"_l1Token","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"bytes32","name":"_l2TxHash","type":"bytes32"},{"internalType":"uint256","name":"_l2BatchNumber","type":"uint256"},{"internalType":"uint256","name":"_l2MessageIndex","type":"uint256"},{"internalType":"uint16","name":"_l2TxNumberInBatch","type":"uint16"},{"internalType":"bytes32[]","name":"_merkleProof","type":"bytes32[]"}],"name":"claimFailedDepositLegacyErc20Bridge","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"chainId","type":"uint256"},{"internalType":"bytes32","name":"l2DepositTxHash","type":"bytes32"}],"name":"depositHappened","outputs":[{"internalType":"bytes32","name":"depositDataHash","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_prevMsgSender","type":"address"},{"internalType":"address","name":"_l2Receiver","type":"address"},{"internalType":"address","name":"_l1Token","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"},{"internalType":"uint256","name":"_l2TxGasLimit","type":"uint256"},{"internalType":"uint256","name":"_l2TxGasPerPubdataByte","type":"uint256"},{"internalType":"address","name":"_refundRecipient","type":"address"}],"name":"depositLegacyErc20Bridge","outputs":[{"internalType":"bytes32","name":"l2TxHash","type":"bytes32"}],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_chainId","type":"uint256"},{"internalType":"uint256","name":"_l2BatchNumber","type":"uint256"},{"internalType":"uint256","name":"_l2MessageIndex","type":"uint256"},{"internalType":"uint16","name":"_l2TxNumberInBatch","type":"uint16"},{"internalType":"bytes","name":"_message","type":"bytes"},{"internalType":"bytes32[]","name":"_merkleProof","type":"bytes32[]"}],"name":"finalizeWithdrawal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_l2BatchNumber","type":"uint256"},{"internalType":"uint256","name":"_l2MessageIndex","type":"uint256"},{"internalType":"uint16","name":"_l2TxNumberInBatch","type":"uint16"},{"internalType":"bytes","name":"_message","type":"bytes"},{"internalType":"bytes32[]","name":"_merkleProof","type":"bytes32[]"}],"name":"finalizeWithdrawalLegacyErc20Bridge","outputs":[{"internalType":"address","name":"l1Receiver","type":"address"},{"internalType":"address","name":"l1Token","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"name":"initialize","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_chainId","type":"uint256"},{"internalType":"address","name":"_l2BridgeAddress","type":"address"}],"name":"initializeChainGovernance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"chainId","type":"uint256"},{"internalType":"uint256","name":"l2BatchNumber","type":"uint256"},{"internalType":"uint256","name":"l2ToL1MessageNumber","type":"uint256"}],"name":"isWithdrawalFinalized","outputs":[{"internalType":"bool","name":"isFinalized","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"chainId","type":"uint256"}],"name":"l2BridgeAddress","outputs":[{"internalType":"address","name":"l2Bridge","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"legacyBridge","outputs":[{"internalType":"contract IL1ERC20Bridge","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":[],"name":"pendingAdmin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingOwner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_chainId","type":"uint256"}],"name":"receiveEth","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_chainId","type":"uint256"},{"internalType":"address","name":"_l2BridgeAddress","type":"address"}],"name":"reinitializeChainGovernance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_target","type":"address"},{"internalType":"uint256","name":"_targetChainId","type":"uint256"},{"internalType":"uint256","name":"_gasPerToken","type":"uint256"}],"name":"safeTransferFundsFromLegacy","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_eraLegacyBridgeLastDepositBatch","type":"uint256"},{"internalType":"uint256","name":"_eraLegacyBridgeLastDepositTxNumber","type":"uint256"}],"name":"setEraLegacyBridgeLastDepositTime","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_eraPostDiamondUpgradeFirstBatch","type":"uint256"}],"name":"setEraPostDiamondUpgradeFirstBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint256","name":"_eraPostLegacyBridgeUpgradeFirstBatch","type":"uint256"}],"name":"setEraPostLegacyBridgeUpgradeFirstBatch","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_legacyBridge","type":"address"}],"name":"setL1Erc20Bridge","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newPendingAdmin","type":"address"}],"name":"setPendingAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_token","type":"address"},{"internalType":"address","name":"_target","type":"address"},{"internalType":"uint256","name":"_targetChainId","type":"uint256"}],"name":"transferFundsFromLegacy","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"unpause","outputs":[],"stateMutability":"nonpayable","type":"function"}]

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