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// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

import {IL1BridgeLegacy} from "./interfaces/IL1BridgeLegacy.sol";
import {IL1Bridge} from "./interfaces/IL1Bridge.sol";
import {IL2Bridge} from "./interfaces/IL2Bridge.sol";
import {IL2ERC20Bridge} from "./interfaces/IL2ERC20Bridge.sol";

import {BridgeInitializationHelper} from "./libraries/BridgeInitializationHelper.sol";

import {IMailbox, TxStatus} from "../zksync/interfaces/IMailbox.sol";
import {L2Message} from "../zksync/Storage.sol";
import {UnsafeBytes} from "../common/libraries/UnsafeBytes.sol";
import {L2ContractHelper} from "../common/libraries/L2ContractHelper.sol";
import {ReentrancyGuard} from "../common/ReentrancyGuard.sol";
import {AddressAliasHelper} from "../vendor/AddressAliasHelper.sol";

/// @author Matter Labs
/// @custom:security-contact [email protected]
/// @notice Smart contract that allows depositing ERC20 tokens from Ethereum to zkSync Era
/// @dev It is standard implementation of ERC20 Bridge that can be used as a reference
/// for any other custom token bridges.
contract L1ERC20Bridge is IL1Bridge, IL1BridgeLegacy, ReentrancyGuard {
    using SafeERC20 for IERC20;

    /// @dev zkSync smart contract that is used to operate with L2 via asynchronous L2 <-> L1 communication
    IMailbox internal immutable zkSync;

    /// @dev A mapping L2 batch number => message number => flag
    /// @dev Used to indicate that zkSync L2 -> L1 message was already processed
    mapping(uint256 l2BatchNumber => mapping(uint256 l2ToL1MessageNumber => bool isFinalized))
        public isWithdrawalFinalized;

    /// @dev A mapping account => L1 token address => L2 deposit transaction hash => amount
    /// @dev Used for saving the number of deposited funds, to claim them in case the deposit transaction will fail
    mapping(address account => mapping(address l1Token => mapping(bytes32 depositL2TxHash => uint256 amount)))
        internal depositAmount;

    /// @dev The address of deployed L2 bridge counterpart
    address public l2Bridge;

    /// @dev The address that acts as a beacon for L2 tokens
    address public l2TokenBeacon;

    /// @dev The bytecode hash of the L2 token contract
    bytes32 public l2TokenProxyBytecodeHash;

    mapping(address => uint256) private __DEPRECATED_lastWithdrawalLimitReset;

    /// @dev A mapping L1 token address => the accumulated withdrawn amount during the withdrawal limit window
    mapping(address => uint256) private __DEPRECATED_withdrawnAmountInWindow;

    /// @dev The accumulated deposited amount per user.
    /// @dev A mapping L1 token address => user address => the total deposited amount by the user
    mapping(address => mapping(address => uint256)) private __DEPRECATED_totalDepositedAmountPerUser;

    /// @dev Contract is expected to be used as proxy implementation.
    /// @dev Initialize the implementation to prevent Parity hack.
    constructor(IMailbox _zkSync) reentrancyGuardInitializer {
        zkSync = _zkSync;
    }

    /// @dev Initializes a contract bridge for later use. Expected to be used in the proxy
    /// @dev During initialization deploys L2 bridge counterpart as well as provides some factory deps for it
    /// @param _factoryDeps A list of raw bytecodes that are needed for deployment of the L2 bridge
    /// @notice _factoryDeps[0] == a raw bytecode of L2 bridge implementation
    /// @notice _factoryDeps[1] == a raw bytecode of proxy that is used as L2 bridge
    /// @notice _factoryDeps[2] == a raw bytecode of token proxy
    /// @param _factoryDepByteCodeHashes A list of raw bytecode sha256 hashes that are needed for deployment of the L2 bridge
    /// @param _l2TokenBeacon Pre-calculated address of the L2 token upgradeable beacon
    /// @notice At the time of the function call, it is not yet deployed in L2, but knowledge of its address
    /// @notice is necessary for determining L2 token address by L1 address, see `l2TokenAddress(address)` function
    /// @param _governor Address which can change L2 token implementation and upgrade the bridge
    /// @param _deployBridgeImplementationFee How much of the sent value should be allocated to deploying the L2 bridge
    /// implementation
    /// @param _deployBridgeProxyFee How much of the sent value should be allocated to deploying the L2 bridge proxy
    function initialize(
        bytes[] calldata _factoryDeps,
        bytes32[] calldata _factoryDepByteCodeHashes,
        address _l2TokenBeacon,
        address _governor,
        uint256 _deployBridgeImplementationFee,
        uint256 _deployBridgeProxyFee
    ) external payable reentrancyGuardInitializer {
        require(_l2TokenBeacon != address(0), "nf");
        require(_governor != address(0), "nh");
        // We are expecting to see the exact three bytecodes that are needed to initialize the bridge
        require(_factoryDeps.length == 3, "mk");
        require(_factoryDeps.length == _factoryDepByteCodeHashes.length, "mg");
        // The caller miscalculated deploy transactions fees
        require(msg.value == _deployBridgeImplementationFee + _deployBridgeProxyFee, "fee");
        l2TokenProxyBytecodeHash = L2ContractHelper.hashL2Bytecode(
            _factoryDeps[2].length,
            _factoryDepByteCodeHashes[2]
        );
        l2TokenBeacon = _l2TokenBeacon;

        bytes32 l2BridgeImplementationBytecodeHash = L2ContractHelper.hashL2Bytecode(
            _factoryDeps[0].length,
            _factoryDepByteCodeHashes[0]
        );
        bytes32 l2BridgeProxyBytecodeHash = L2ContractHelper.hashL2Bytecode(
            _factoryDeps[1].length,
            _factoryDepByteCodeHashes[1]
        );

        // Deploy L2 bridge implementation contract
        address bridgeImplementationAddr = BridgeInitializationHelper.requestDeployTransaction(
            zkSync,
            _deployBridgeImplementationFee,
            l2BridgeImplementationBytecodeHash,
            "", // Empty constructor data
            _factoryDeps // All factory deps are needed for L2 bridge
        );

        // Prepare the proxy constructor data
        bytes memory l2BridgeProxyConstructorData;
        {
            // Data to be used in delegate call to initialize the proxy
            bytes memory proxyInitializationParams = abi.encodeCall(
                IL2ERC20Bridge.initialize,
                (address(this), l2TokenProxyBytecodeHash, _governor)
            );
            l2BridgeProxyConstructorData = abi.encode(bridgeImplementationAddr, _governor, proxyInitializationParams);
        }

        // Deploy L2 bridge proxy contract
        l2Bridge = BridgeInitializationHelper.requestDeployTransaction(
            zkSync,
            _deployBridgeProxyFee,
            l2BridgeProxyBytecodeHash,
            l2BridgeProxyConstructorData,
            // No factory deps are needed for the L2 bridge proxy, because it is already passed in previous step
            new bytes[](0)
        );
    }

    /// @notice Legacy deposit method with refunding the fee to the caller, use another `deposit` method instead.
    /// @dev 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 _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
    /// @return l2TxHash The L2 transaction hash of deposit finalization
    /// NOTE: the function doesn't use `nonreentrant` modifier, because the inner method does.
    function deposit(
        address _l2Receiver,
        address _l1Token,
        uint256 _amount,
        uint256 _l2TxGasLimit,
        uint256 _l2TxGasPerPubdataByte
    ) external payable returns (bytes32 l2TxHash) {
        l2TxHash = deposit(_l2Receiver, _l1Token, _amount, _l2TxGasLimit, _l2TxGasPerPubdataByte, address(0));
    }

    /// @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 _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 deposit(
        address _l2Receiver,
        address _l1Token,
        uint256 _amount,
        uint256 _l2TxGasLimit,
        uint256 _l2TxGasPerPubdataByte,
        address _refundRecipient
    ) public payable nonReentrant returns (bytes32 l2TxHash) {
        l2TxHash = _deposit(
            _l2Receiver,
            _l1Token,
            _amount,
            _l2TxGasLimit,
            _l2TxGasPerPubdataByte,
            _refundRecipient,
            false
        );
    }

    /// @notice Initiates a deposit by locking funds on the contract and sending the request
    /// of processing an L2 transaction where merge tokens would be minted
    /// @dev If the token is bridged for the first time, the L2 token and merge 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 _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 depositToMerge finalization
    function depositToMerge(
        address _l2Receiver,
        address _l1Token,
        uint256 _amount,
        uint256 _l2TxGasLimit,
        uint256 _l2TxGasPerPubdataByte,
        address _refundRecipient
    ) external payable nonReentrant returns (bytes32 l2TxHash) {
        l2TxHash = _deposit(
            _l2Receiver,
            _l1Token,
            _amount,
            _l2TxGasLimit,
            _l2TxGasPerPubdataByte,
            _refundRecipient,
            true
        );
    }

    function _deposit(
        address _l2Receiver,
        address _l1Token,
        uint256 _amount,
        uint256 _l2TxGasLimit,
        uint256 _l2TxGasPerPubdataByte,
        address _refundRecipient,
        bool _toMerge
    ) internal returns (bytes32 l2TxHash) {
        require(_amount != 0, "2T"); // empty deposit amount
        uint256 amount = _depositFunds(msg.sender, IERC20(_l1Token), _amount);
        require(amount == _amount, "1T"); // The token has non-standard transfer logic

        bytes memory l2TxCalldata = _getDepositL2Calldata(msg.sender, _l2Receiver, _l1Token, amount, _toMerge);
        // 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 = _refundRecipient;
        if (_refundRecipient == address(0)) {
            refundRecipient = msg.sender != tx.origin ? AddressAliasHelper.applyL1ToL2Alias(msg.sender) : msg.sender;
        }
        l2TxHash = zkSync.requestL2Transaction{value: msg.value}(
            l2Bridge,
            0, // L2 msg.value
            l2TxCalldata,
            _l2TxGasLimit,
            _l2TxGasPerPubdataByte,
            new bytes[](0),
            refundRecipient
        );

        // Save the deposited amount to claim funds on L1 if the deposit failed on L2
        depositAmount[msg.sender][_l1Token][l2TxHash] = amount;
        if (_toMerge) {
            emit DepositToMergeInitiated(l2TxHash, msg.sender, _l2Receiver, _l1Token, amount, _toMerge);
        } else {
            emit DepositInitiated(l2TxHash, msg.sender, _l2Receiver, _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));
        _token.safeTransferFrom(_from, address(this), _amount);
        uint256 balanceAfter = _token.balanceOf(address(this));

        return balanceAfter - balanceBefore;
    }

    /// @dev Generate a calldata for calling the deposit finalization on the L2 bridge contract
    function _getDepositL2Calldata(
        address _l1Sender,
        address _l2Receiver,
        address _l1Token,
        uint256 _amount,
        bool _toMerge
    ) internal view returns (bytes memory txCalldata) {
        bytes memory gettersData = _getERC20Getters(_l1Token);
        if (_toMerge) {
            txCalldata = abi.encodeCall(
                IL2Bridge.finalizeDepositToMerge,
                (_l1Sender, _l2Receiver, _l1Token, _amount, gettersData)
            );
        } else {
            txCalldata = 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 data) {
        (, 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, ()));
        data = 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 _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(
        address _depositSender,
        address _l1Token,
        bytes32 _l2TxHash,
        uint256 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes32[] calldata _merkleProof
    ) external nonReentrant {
        bool proofValid = zkSync.proveL1ToL2TransactionStatus(
            _l2TxHash,
            _l2BatchNumber,
            _l2MessageIndex,
            _l2TxNumberInBatch,
            _merkleProof,
            TxStatus.Failure
        );
        require(proofValid, "yn");

        uint256 amount = depositAmount[_depositSender][_l1Token][_l2TxHash];
        require(amount > 0, "y1");

        delete depositAmount[_depositSender][_l1Token][_l2TxHash];
        // Withdraw funds
        IERC20(_l1Token).safeTransfer(_depositSender, amount);

        emit ClaimedFailedDeposit(_depositSender, _l1Token, amount);
    }

    /// @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 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 _l2BatchNumber,
        uint256 _l2MessageIndex,
        uint16 _l2TxNumberInBatch,
        bytes calldata _message,
        bytes32[] calldata _merkleProof
    ) external nonReentrant {
        require(!isWithdrawalFinalized[_l2BatchNumber][_l2MessageIndex], "pw");

        L2Message memory l2ToL1Message = L2Message({
            txNumberInBatch: _l2TxNumberInBatch,
            sender: l2Bridge,
            data: _message
        });

        (address l1Receiver, address l1Token, uint256 amount) = _parseL2WithdrawalMessage(l2ToL1Message.data);
        // Preventing the stack too deep error
        {
            bool success = zkSync.proveL2MessageInclusion(_l2BatchNumber, _l2MessageIndex, l2ToL1Message, _merkleProof);
            require(success, "nq");
        }

        isWithdrawalFinalized[_l2BatchNumber][_l2MessageIndex] = true;
        // Withdraw funds
        IERC20(l1Token).safeTransfer(l1Receiver, amount);

        emit WithdrawalFinalized(l1Receiver, l1Token, amount);
    }

    /// @dev Decode the withdraw message that came from L2
    function _parseL2WithdrawalMessage(
        bytes memory _l2ToL1message
    ) internal pure returns (address l1Receiver, address l1Token, uint256 amount) {
        // 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).
        require(_l2ToL1message.length == 76, "kk");

        (uint32 functionSignature, uint256 offset) = UnsafeBytes.readUint32(_l2ToL1message, 0);
        require(bytes4(functionSignature) == this.finalizeWithdrawal.selector, "nt");

        (l1Receiver, offset) = UnsafeBytes.readAddress(_l2ToL1message, offset);
        (l1Token, offset) = UnsafeBytes.readAddress(_l2ToL1message, offset);
        (amount, offset) = UnsafeBytes.readUint256(_l2ToL1message, offset);
    }

    /// @return The L2 token address that would be minted for deposit of the given L1 token
    function l2TokenAddress(address _l1Token) public view returns (address) {
        bytes32 constructorInputHash = keccak256(abi.encode(l2TokenBeacon, ""));
        bytes32 salt = bytes32(uint256(uint160(_l1Token)));

        return L2ContractHelper.computeCreate2Address(l2Bridge, salt, l2TokenProxyBytecodeHash, constructorInputHash);
    }
}

// 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 v4.9.4) (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) (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
// 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

pragma solidity ^0.8.0;

/// @title L1 Bridge contract interface
/// @author Matter Labs
/// @custom:security-contact [email protected]
interface IL1Bridge {
    event DepositInitiated(
        bytes32 indexed l2DepositTxHash,
        address indexed from,
        address indexed to,
        address l1Token,
        uint256 amount
    );

    event DepositToMergeInitiated(
        bytes32 indexed l2DepositTxHash,
        address indexed from,
        address indexed to,
        address l1Token,
        uint256 amount,
        bool toMerge
    );

    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 depositToMerge(
        address _l2Receiver,
        address _l1Token,
        uint256 _amount,
        uint256 _l2TxGasLimit,
        uint256 _l2TxGasPerPubdataByte,
        address _refundRecipient
    ) 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 l2Bridge() external view returns (address);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @title L1 Bridge contract legacy interface
/// @author Matter Labs
/// @custom:security-contact [email protected]
interface IL1BridgeLegacy {
    function deposit(
        address _l2Receiver,
        address _l1Token,
        uint256 _amount,
        uint256 _l2TxGasLimit,
        uint256 _l2TxGasPerPubdataByte
    ) external payable returns (bytes32 txHash);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

    function finalizeDepositToMerge(
        address _l1Sender,
        address _l2Receiver,
        address _l1Token,
        uint256 _amount,
        bytes calldata _data
    ) external payable;

    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

pragma solidity ^0.8.0;

/// @author Matter Labs
interface IL2ERC20Bridge {
    function initialize(address _l1Bridge, bytes32 _l2TokenProxyBytecodeHash, address _governor) external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import "../../zksync/interfaces/IMailbox.sol";
import "../../vendor/AddressAliasHelper.sol";
import "../../common/libraries/L2ContractHelper.sol";
import {L2_DEPLOYER_SYSTEM_CONTRACT_ADDR} from "../../common/L2ContractAddresses.sol";
import "../../common/interfaces/IL2ContractDeployer.sol";

/// @author Matter Labs
/// @custom:security-contact [email protected]
/// @dev A helper library for initializing L2 bridges in zkSync L2 network.
library BridgeInitializationHelper {
    /// @dev The L2 gas limit for requesting L1 -> L2 transaction of deploying L2 bridge instance.
    /// @dev It is big enough to deploy any contract, so we can use the same value for all bridges.
    /// NOTE: this constant will be accurately calculated in the future.
    uint256 constant DEPLOY_L2_BRIDGE_COUNTERPART_GAS_LIMIT = 10000000;

    /// @dev The default l2GasPricePerPubdata to be used in bridges.
    uint256 constant REQUIRED_L2_GAS_PRICE_PER_PUBDATA = 800;

    /// @notice Requests L2 transaction that will deploy a contract with a given bytecode hash and constructor data.
    /// NOTE: it is always used to deploy via create2 with ZERO salt
    /// @param _zkSync The address of the zkSync contract
    /// @param _deployTransactionFee The fee that will be paid for the L1 -> L2 transaction
    /// @param _bytecodeHash The hash of the bytecode of the contract to be deployed
    /// @param _constructorData The data to be passed to the contract constructor
    /// @param _factoryDeps A list of raw bytecodes that are needed for deployment
    function requestDeployTransaction(
        IMailbox _zkSync,
        uint256 _deployTransactionFee,
        bytes32 _bytecodeHash,
        bytes memory _constructorData,
        bytes[] memory _factoryDeps
    ) internal returns (address deployedAddress) {
        bytes memory deployCalldata = abi.encodeCall(
            IL2ContractDeployer.create2,
            (bytes32(0), _bytecodeHash, _constructorData)
        );
        _zkSync.requestL2Transaction{value: _deployTransactionFee}(
            L2_DEPLOYER_SYSTEM_CONTRACT_ADDR,
            0,
            deployCalldata,
            DEPLOY_L2_BRIDGE_COUNTERPART_GAS_LIMIT,
            REQUIRED_L2_GAS_PRICE_PER_PUBDATA,
            _factoryDeps,
            msg.sender
        );

        deployedAddress = L2ContractHelper.computeCreate2Address(
            // Apply the alias to the address of the bridge contract, to get the `msg.sender` in L2.
            AddressAliasHelper.applyL1ToL2Alias(address(this)),
            bytes32(0), // Zero salt
            _bytecodeHash,
            keccak256(_constructorData)
        );
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @author Matter Labs
 * @notice System smart contract that is responsible for deploying other smart contracts on zkSync.
 */
interface IL2ContractDeployer {
    /// @notice A struct that describes a forced deployment on an address.
    /// @param bytecodeHash The bytecode hash to put on an address.
    /// @param newAddress The address on which to deploy the bytecodehash to.
    /// @param callConstructor Whether to run the constructor on the force deployment.
    /// @param value The `msg.value` with which to initialize a contract.
    /// @param input The constructor calldata.
    struct ForceDeployment {
        bytes32 bytecodeHash;
        address newAddress;
        bool callConstructor;
        uint256 value;
        bytes input;
    }

    /// @notice This method is to be used only during an upgrade to set bytecodes on specific addresses.
    function forceDeployOnAddresses(ForceDeployment[] calldata _deployParams) external;

    /// @notice Deploys a contract with similar address derivation rules to the EVM's `CREATE2` opcode.
    /// @param _salt The create2 salt.
    /// @param _bytecodeHash The correctly formatted hash of the bytecode.
    /// @param _input The constructor calldata.
    function create2(bytes32 _salt, bytes32 _bytecodeHash, bytes calldata _input) external;
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

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

/// @dev The address of the eth token system contract
address constant L2_ETH_TOKEN_SYSTEM_CONTRACT_ADDR = address(0x800a);

/// @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 context system contract
address constant L2_SYSTEM_CONTEXT_SYSTEM_CONTRACT_ADDR = address(0x800b);

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @author Matter Labs
 * @custom:security-contact [email protected]
 * @notice Helper library for working with L2 contracts on L1.
 */
library L2ContractHelper {
    /// @dev The prefix used to create CREATE2 addresses.
    bytes32 private constant CREATE2_PREFIX = keccak256("zksyncCreate2");

    /// @notice Validate the bytecode format and calculate its hash.
    /// @param _bytecodeLength The bytecode length.
    /// @param _bytecodeHash The bytecode hash.
    /// @return hashedBytecode The 32-byte hash of the bytecode.
    /// Note: The function reverts the execution if the bytecode has non expected format:
    /// - Bytecode bytes length is not a multiple of 32
    /// - Bytecode bytes length is not less than 2^21 bytes (2^16 words)
    /// - Bytecode words length is not odd
    function hashL2Bytecode(
        uint256 _bytecodeLength,
        bytes32 _bytecodeHash
    ) internal pure returns (bytes32 hashedBytecode) {
        // Note that the length of the bytecode must be provided in 32-byte words.
        require(_bytecodeLength % 32 == 0, "pq");

        uint256 bytecodeLenInWords = _bytecodeLength / 32;
        require(bytecodeLenInWords < 2 ** 16, "pp"); // bytecode length must be less than 2^16 words
        require(bytecodeLenInWords % 2 == 1, "ps"); // bytecode length in words must be odd
        hashedBytecode = _bytecodeHash & 0x00000000FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF;
        // Setting the version of the hash
        hashedBytecode = (hashedBytecode | bytes32(uint256(1 << 248)));
        // Setting the length
        hashedBytecode = hashedBytecode | bytes32(bytecodeLenInWords << 224);
    }

    /// @notice Validates the format of the given bytecode hash.
    /// @dev Due to the specification of the L2 bytecode hash, not every 32 bytes could be a legit bytecode hash.
    /// @dev The function reverts on invalid bytecode hash formam.
    /// @param _bytecodeHash The hash of the bytecode to validate.
    function validateBytecodeHash(bytes32 _bytecodeHash) internal pure {
        uint8 version = uint8(_bytecodeHash[0]);
        require(version == 1 && _bytecodeHash[1] == bytes1(0), "zf"); // Incorrectly formatted bytecodeHash

        require(_bytecodeLen(_bytecodeHash) % 2 == 1, "uy"); // Code length in words must be odd
    }

    /// @notice Returns the length of the bytecode associated with the given hash.
    /// @param _bytecodeHash The hash of the bytecode.
    /// @return codeLengthInWords The length of the bytecode in words.
    function _bytecodeLen(bytes32 _bytecodeHash) private pure returns (uint256 codeLengthInWords) {
        codeLengthInWords = uint256(uint8(_bytecodeHash[2])) * 256 + uint256(uint8(_bytecodeHash[3]));
    }

    /// @notice Computes the create2 address for a Layer 2 contract.
    /// @param _sender The address of the sender.
    /// @param _salt The salt value to use in the create2 address computation.
    /// @param _bytecodeHash The contract bytecode hash.
    /// @param _constructorInputHash The hash of the constructor input data.
    /// @return The create2 address of the contract.
    /// NOTE: L2 create2 derivation is different from L1 derivation!
    function computeCreate2Address(
        address _sender,
        bytes32 _salt,
        bytes32 _bytecodeHash,
        bytes32 _constructorInputHash
    ) internal pure returns (address) {
        bytes32 senderBytes = bytes32(uint256(uint160(_sender)));
        bytes32 data = keccak256(
            bytes.concat(CREATE2_PREFIX, senderBytes, _salt, _bytecodeHash, _constructorInputHash)
        );

        return address(uint160(uint256(data)));
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @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))
        }
    }

    // Original source code: https://github.com/GNSPS/solidity-bytes-utils/blob/master/contracts/BytesLib.sol#L228
    // Get slice from bytes arrays
    // Returns the newly created 'bytes memory'
    // NOTE: theoretically possible overflow of (_start + _length)
    function slice(bytes memory _bytes, uint256 _start, uint256 _length) internal pure returns (bytes memory) {
        require(_bytes.length >= (_start + _length), "Z"); // bytes length is less then start byte + length bytes

        bytes memory tempBytes = new bytes(_length);

        if (_length != 0) {
            assembly {
                let slice_curr := add(tempBytes, 0x20)
                let slice_end := add(slice_curr, _length)

                for {
                    let array_current := add(_bytes, add(_start, 0x20))
                } lt(slice_curr, slice_end) {
                    slice_curr := add(slice_curr, 0x20)
                    array_current := add(array_current, 0x20)
                } {
                    mstore(slice_curr, mload(array_current))
                }
            }
        }

        return tempBytes;
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/**
 * @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
        require(lockSlotOldValue == 0, "1B");
    }

    /**
     * @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)
        }

        // On the first call to nonReentrant, _notEntered will be true
        require(_status == _NOT_ENTERED, "r1");

        // 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.
 */

pragma solidity ^0.8.0;

library AddressAliasHelper {
    uint160 internal 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);
        }
    }
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

import {L2Message} from "../Storage.sol";

/// @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
}

/// @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 {
    /// @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;
    }

    /// @dev Internal structure that contains the parameters for the forwardRequestL2Transaction
    /// @param gateway The secondary chain gateway;
    /// @param isContractCall It's true when the request come from a contract.
    /// @param sender The sender's address.
    /// @param txId The id of the priority transaction.
    /// @param contractAddressL2 The address of the contract on L2 to call.
    /// @param l2Value The msg.value of the L2 transaction.
    /// @param l2CallData The call data of the L2 transaction.
    /// @param l2GasLimit The limit of the L2 gas for the L2 transaction
    /// @param l2GasPrice The price of the L2 gas in Wei to be used for this transaction.
    /// @param l2GasPricePerPubdata The price for a single pubdata byte in L2 gas.
    /// @param refundRecipient The recipient of the refund for the transaction on L2. If the transaction fails, then
    /// this address will receive the `l2Value`.
    struct ForwardL2Request {
        address gateway;
        bool isContractCall;
        address sender;
        uint256 txId;
        address contractAddressL2;
        uint256 l2Value;
        bytes l2CallData;
        uint256 l2GasLimit;
        uint256 l2GasPricePerPubdata;
        bytes[] factoryDeps;
        address refundRecipient;
    }

    /// @notice Prove that a specific arbitrary-length message was sent in a specific L2 batch number
    /// @param _l2BatchNumber 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 _l2BatchNumber,
        uint256 _index,
        L2Message calldata _message,
        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 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);

    /// @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 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);
}

// SPDX-License-Identifier: MIT

pragma solidity ^0.8.0;

/// @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 the 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 the 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;
}

/// @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 The sync status for priority op of secondary chain
/// @param hash The cumulative canonicalTxHash
/// @param amount The cumulative l2 value
struct SecondaryChainSyncStatus {
    bytes32 hash;
    uint256 amount;
}

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

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[{"inputs":[{"internalType":"contract IMailbox","name":"_zkSync","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"anonymous":false,"inputs":[{"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":"ClaimedFailedDeposit","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"l2DepositTxHash","type":"bytes32"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"address","name":"l1Token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"DepositInitiated","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"l2DepositTxHash","type":"bytes32"},{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"address","name":"l1Token","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"bool","name":"toMerge","type":"bool"}],"name":"DepositToMergeInitiated","type":"event"},{"anonymous":false,"inputs":[{"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":"WithdrawalFinalized","type":"event"},{"inputs":[{"internalType":"address","name":"_depositSender","type":"address"},{"internalType":"address","name":"_l1Token","type":"address"},{"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":"_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"}],"name":"deposit","outputs":[{"internalType":"bytes32","name":"l2TxHash","type":"bytes32"}],"stateMutability":"payable","type":"function"},{"inputs":[{"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":"deposit","outputs":[{"internalType":"bytes32","name":"l2TxHash","type":"bytes32"}],"stateMutability":"payable","type":"function"},{"inputs":[{"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":"depositToMerge","outputs":[{"internalType":"bytes32","name":"l2TxHash","type":"bytes32"}],"stateMutability":"payable","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":"finalizeWithdrawal","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes[]","name":"_factoryDeps","type":"bytes[]"},{"internalType":"bytes32[]","name":"_factoryDepByteCodeHashes","type":"bytes32[]"},{"internalType":"address","name":"_l2TokenBeacon","type":"address"},{"internalType":"address","name":"_governor","type":"address"},{"internalType":"uint256","name":"_deployBridgeImplementationFee","type":"uint256"},{"internalType":"uint256","name":"_deployBridgeProxyFee","type":"uint256"}],"name":"initialize","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"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":[],"name":"l2Bridge","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"_l1Token","type":"address"}],"name":"l2TokenAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l2TokenBeacon","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"l2TokenProxyBytecodeHash","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"}]

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0000000000000000000000005fd9f73286b7e8683bab45019c94553b93e015cf

-----Decoded View---------------
Arg [0] : _zkSync (address): 0x5fD9F73286b7E8683Bab45019C94553b93e015Cf

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000005fd9f73286b7e8683bab45019c94553b93e015cf