diff --git a/contracts/gateway/linea/LineaL2Governance.sol b/contracts/gateway/linea/LineaL2Governance.sol
new file mode 100644
index 0000000..429cd8d
--- /dev/null
+++ b/contracts/gateway/linea/LineaL2Governance.sol
@@ -0,0 +1,52 @@
+// SPDX-License-Identifier: MIT OR Apache-2.0
+
+pragma solidity ^0.8.0;
+
+import {Ownable} from "@openzeppelin/contracts/access/Ownable.sol";
+import {Address} from "@openzeppelin/contracts/utils/Address.sol";
+import {IMessageService} from "../../interfaces/linea/IMessageService.sol";
+
+contract LineaL2Governance is Ownable {
+    /// @notice Linea message service on local chain
+    IMessageService public immutable MESSAGE_SERVICE;
+
+    /// @dev Represents a call to be made during an operation.
+    /// @param target The address to which the call will be made.
+    /// @param value The amount of Ether (in wei) to be sent along with the call.
+    /// @param data The calldata to be executed on the `target` address.
+    struct Call {
+        address target;
+        uint256 value;
+        bytes data;
+    }
+
+    constructor(IMessageService _messageService, address _owner) {
+        MESSAGE_SERVICE = _messageService;
+        _transferOwnership(_owner);
+    }
+
+    /**
+     * @dev Throws if the sender is not the Governance on Ethereum.
+     */
+    function _checkOwner() internal view override {
+        require(
+            _msgSender() == address(MESSAGE_SERVICE) && owner() == MESSAGE_SERVICE.sender(),
+            "Ownable: caller is not the owner"
+        );
+    }
+
+    /// @notice Executes the operation's calls from the Governance contract on Ethereum.
+    /// @param _calls The array of calls to be executed.
+    function execute(Call[] calldata _calls) external payable onlyOwner {
+        for (uint256 i = 0; i < _calls.length; ++i) {
+            Call memory _call = _calls[i];
+            // No use of return value
+            Address.functionCallWithValue(_call.target, _call.data, _call.value);
+        }
+    }
+
+    /// @dev Contract might receive/hold ETH as part of the maintenance process.
+    receive() external payable {
+        // nothing to do here
+    }
+}
diff --git a/contracts/zksync/l1-contracts/governance/Governance.sol b/contracts/zksync/l1-contracts/governance/Governance.sol
new file mode 100644
index 0000000..b1702d3
--- /dev/null
+++ b/contracts/zksync/l1-contracts/governance/Governance.sol
@@ -0,0 +1,263 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.0;
+
+import {Ownable2Step} from "@openzeppelin/contracts/access/Ownable2Step.sol";
+import {IGovernance} from "./IGovernance.sol";
+
+/// @author Matter Labs
+/// @custom:security-contact security@matterlabs.dev
+/// @dev Contract design is inspired by OpenZeppelin TimelockController and in-house Diamond Proxy upgrade mechanism.
+/// @notice This contract manages operations (calls with preconditions) for governance tasks.
+/// The contract allows for operations to be scheduled, executed, and canceled with
+/// appropriate permissions and delays. It is used for managing and coordinating upgrades
+/// and changes in all zkSync Era governed contracts.
+///
+/// Operations can be proposed as either fully transparent upgrades with on-chain data,
+/// or "shadow" upgrades where upgrade data is not published on-chain before execution. Proposed operations
+/// are subject to a delay before they can be executed, but they can be executed instantly
+/// with the security council’s permission.
+contract Governance is IGovernance, Ownable2Step {
+    /// @notice A constant representing the timestamp for completed operations.
+    uint256 internal constant EXECUTED_PROPOSAL_TIMESTAMP = uint256(1);
+
+    /// @notice The address of the security council.
+    /// @dev It is supposed to be multisig contract.
+    address public securityCouncil;
+
+    /// @notice A mapping to store timestamps when each operation will be ready for execution.
+    /// @dev - 0 means the operation is not created.
+    /// @dev - 1 (EXECUTED_PROPOSAL_TIMESTAMP) means the operation is already executed.
+    /// @dev - any other value means timestamp in seconds when the operation will be ready for execution.
+    mapping(bytes32 operationId => uint256 executionTimestamp) public timestamps;
+
+    /// @notice The minimum delay in seconds for operations to be ready for execution.
+    uint256 public minDelay;
+
+    /// @notice Initializes the contract with the admin address, security council address, and minimum delay.
+    /// @param _admin The address to be assigned as the admin of the contract.
+    /// @param _securityCouncil The address to be assigned as the security council of the contract.
+    /// @param _minDelay The initial minimum delay (in seconds) to be set for operations.
+    constructor(address _admin, address _securityCouncil, uint256 _minDelay) {
+        require(_admin != address(0), "Admin should be non zero address");
+
+        _transferOwnership(_admin);
+
+        securityCouncil = _securityCouncil;
+        emit ChangeSecurityCouncil(address(0), _securityCouncil);
+
+        minDelay = _minDelay;
+        emit ChangeMinDelay(0, _minDelay);
+    }
+
+    /*//////////////////////////////////////////////////////////////
+                            MODIFIERS
+    //////////////////////////////////////////////////////////////*/
+
+    /// @notice Checks that the message sender is contract itself.
+    modifier onlySelf() {
+        require(msg.sender == address(this), "Only governance contract itself is allowed to call this function");
+        _;
+    }
+
+    /// @notice Checks that the message sender is an active security council.
+    modifier onlySecurityCouncil() {
+        require(msg.sender == securityCouncil, "Only security council is allowed to call this function");
+        _;
+    }
+
+    /// @notice Checks that the message sender is an active owner or an active security council.
+    modifier onlyOwnerOrSecurityCouncil() {
+        require(
+            msg.sender == owner() || msg.sender == securityCouncil,
+            "Only the owner and security council are allowed to call this function"
+        );
+        _;
+    }
+
+    /*//////////////////////////////////////////////////////////////
+                            OPERATION GETTERS
+    //////////////////////////////////////////////////////////////*/
+
+    /// @dev Returns whether an id corresponds to a registered operation. This
+    /// includes both Waiting, Ready, and Done operations.
+    function isOperation(bytes32 _id) public view returns (bool) {
+        return getOperationState(_id) != OperationState.Unset;
+    }
+
+    /// @dev Returns whether an operation is pending or not. Note that a "pending" operation may also be "ready".
+    function isOperationPending(bytes32 _id) public view returns (bool) {
+        OperationState state = getOperationState(_id);
+        return state == OperationState.Waiting || state == OperationState.Ready;
+    }
+
+    /// @dev Returns whether an operation is ready for execution. Note that a "ready" operation is also "pending".
+    function isOperationReady(bytes32 _id) public view returns (bool) {
+        return getOperationState(_id) == OperationState.Ready;
+    }
+
+    /// @dev Returns whether an operation is done or not.
+    function isOperationDone(bytes32 _id) public view returns (bool) {
+        return getOperationState(_id) == OperationState.Done;
+    }
+
+    /// @dev Returns operation state.
+    function getOperationState(bytes32 _id) public view returns (OperationState) {
+        uint256 timestamp = timestamps[_id];
+        if (timestamp == 0) {
+            return OperationState.Unset;
+        } else if (timestamp == EXECUTED_PROPOSAL_TIMESTAMP) {
+            return OperationState.Done;
+        } else if (timestamp > block.timestamp) {
+            return OperationState.Waiting;
+        } else {
+            return OperationState.Ready;
+        }
+    }
+
+    /*//////////////////////////////////////////////////////////////
+                            SCHEDULING CALLS
+    //////////////////////////////////////////////////////////////*/
+
+    /// @notice Propose a fully transparent upgrade, providing upgrade data on-chain.
+    /// @notice The owner will be able to execute the proposal either:
+    /// - With a `delay` timelock on its own.
+    /// - With security council instantly.
+    /// @dev Only the current owner can propose an upgrade.
+    /// @param _operation The operation parameters will be executed with the upgrade.
+    /// @param _delay The delay time (in seconds) after which the proposed upgrade can be executed by the owner.
+    function scheduleTransparent(Operation calldata _operation, uint256 _delay) external onlyOwner {
+        bytes32 id = hashOperation(_operation);
+        _schedule(id, _delay);
+        emit TransparentOperationScheduled(id, _delay, _operation);
+    }
+
+    /// @notice Propose "shadow" upgrade, upgrade data is not publishing on-chain.
+    /// @notice The owner will be able to execute the proposal either:
+    /// - With a `delay` timelock on its own.
+    /// - With security council instantly.
+    /// @dev Only the current owner can propose an upgrade.
+    /// @param _id The operation hash (see `hashOperation` function)
+    /// @param _delay The delay time (in seconds) after which the proposed upgrade may be executed by the owner.
+    function scheduleShadow(bytes32 _id, uint256 _delay) external onlyOwner {
+        _schedule(_id, _delay);
+        emit ShadowOperationScheduled(_id, _delay);
+    }
+
+    /*//////////////////////////////////////////////////////////////
+                            CANCELING CALLS
+    //////////////////////////////////////////////////////////////*/
+
+    /// @dev Cancel the scheduled operation.
+    /// @dev Only owner can call this function.
+    /// @param _id Proposal id value (see `hashOperation`)
+    function cancel(bytes32 _id) external onlyOwner {
+        require(isOperationPending(_id), "Operation must be pending");
+        delete timestamps[_id];
+        emit OperationCancelled(_id);
+    }
+
+    /*//////////////////////////////////////////////////////////////
+                            EXECUTING CALLS
+    //////////////////////////////////////////////////////////////*/
+
+    /// @notice Executes the scheduled operation after the delay passed.
+    /// @dev Both the owner and security council may execute delayed operations.
+    /// @param _operation The operation parameters will be executed with the upgrade.
+    function execute(Operation calldata _operation) external payable onlyOwnerOrSecurityCouncil {
+        bytes32 id = hashOperation(_operation);
+        // Check if the predecessor operation is completed.
+        _checkPredecessorDone(_operation.predecessor);
+        // Ensure that the operation is ready to proceed.
+        require(isOperationReady(id), "Operation must be ready before execution");
+        // Execute operation.
+        _execute(_operation.calls);
+        // Reconfirming that the operation is still ready after execution.
+        // This is needed to avoid unexpected reentrancy attacks of re-executing the same operation.
+        require(isOperationReady(id), "Operation must be ready after execution");
+        // Set operation to be done
+        timestamps[id] = EXECUTED_PROPOSAL_TIMESTAMP;
+        emit OperationExecuted(id);
+    }
+
+    /// @notice Executes the scheduled operation with the security council instantly.
+    /// @dev Only the security council may execute an operation instantly.
+    /// @param _operation The operation parameters will be executed with the upgrade.
+    function executeInstant(Operation calldata _operation) external payable onlySecurityCouncil {
+        bytes32 id = hashOperation(_operation);
+        // Check if the predecessor operation is completed.
+        _checkPredecessorDone(_operation.predecessor);
+        // Ensure that the operation is in a pending state before proceeding.
+        require(isOperationPending(id), "Operation must be pending before execution");
+        // Execute operation.
+        _execute(_operation.calls);
+        // Reconfirming that the operation is still pending before execution.
+        // This is needed to avoid unexpected reentrancy attacks of re-executing the same operation.
+        require(isOperationPending(id), "Operation must be pending after execution");
+        // Set operation to be done
+        timestamps[id] = EXECUTED_PROPOSAL_TIMESTAMP;
+        emit OperationExecuted(id);
+    }
+
+    /// @dev Returns the identifier of an operation.
+    /// @param _operation The operation object to compute the identifier for.
+    function hashOperation(Operation calldata _operation) public pure returns (bytes32) {
+        return keccak256(abi.encode(_operation));
+    }
+
+    /*//////////////////////////////////////////////////////////////
+                            HELPERS
+    //////////////////////////////////////////////////////////////*/
+
+    /// @dev Schedule an operation that is to become valid after a given delay.
+    /// @param _id The operation hash (see `hashOperation` function)
+    /// @param _delay The delay time (in seconds) after which the proposed upgrade can be executed by the owner.
+    function _schedule(bytes32 _id, uint256 _delay) internal {
+        require(!isOperation(_id), "Operation with this proposal id already exists");
+        require(_delay >= minDelay, "Proposed delay is less than minimum delay");
+
+        timestamps[_id] = block.timestamp + _delay;
+    }
+
+    /// @dev Execute an operation's calls.
+    /// @param _calls The array of calls to be executed.
+    function _execute(Call[] calldata _calls) internal {
+        for (uint256 i = 0; i < _calls.length; ++i) {
+            (bool success, bytes memory returnData) = _calls[i].target.call{value: _calls[i].value}(_calls[i].data);
+            if (!success) {
+                // Propagate an error if the call fails.
+                assembly {
+                    revert(add(returnData, 0x20), mload(returnData))
+                }
+            }
+        }
+    }
+
+    /// @notice Verifies if the predecessor operation is completed.
+    /// @param _predecessorId The hash of the operation that should be completed.
+    /// @dev Doesn't check the operation to be complete if the input is zero.
+    function _checkPredecessorDone(bytes32 _predecessorId) internal view {
+        require(_predecessorId == bytes32(0) || isOperationDone(_predecessorId), "Predecessor operation not completed");
+    }
+
+    /*//////////////////////////////////////////////////////////////
+                            SELF UPGRADES
+    //////////////////////////////////////////////////////////////*/
+
+    /// @dev Changes the minimum timelock duration for future operations.
+    /// @param _newDelay The new minimum delay time (in seconds) for future operations.
+    function updateDelay(uint256 _newDelay) external onlySelf {
+        emit ChangeMinDelay(minDelay, _newDelay);
+        minDelay = _newDelay;
+    }
+
+    /// @dev Updates the address of the security council.
+    /// @param _newSecurityCouncil The address of the new security council.
+    function updateSecurityCouncil(address _newSecurityCouncil) external onlySelf {
+        emit ChangeSecurityCouncil(securityCouncil, _newSecurityCouncil);
+        securityCouncil = _newSecurityCouncil;
+    }
+
+    /// @dev Contract might receive/hold ETH as part of the maintenance process.
+    receive() external payable {}
+}
diff --git a/contracts/zksync/l1-contracts/governance/IGovernance.sol b/contracts/zksync/l1-contracts/governance/IGovernance.sol
new file mode 100644
index 0000000..2c2180a
--- /dev/null
+++ b/contracts/zksync/l1-contracts/governance/IGovernance.sol
@@ -0,0 +1,84 @@
+// SPDX-License-Identifier: MIT
+
+pragma solidity ^0.8.0;
+
+/// @title Governance contract interface
+/// @author Matter Labs
+/// @custom:security-contact security@matterlabs.dev
+interface IGovernance {
+    /// @dev This enumeration includes the following states:
+    /// @param Unset Default state, indicating the operation has not been set.
+    /// @param Waiting The operation is scheduled but not yet ready to be executed.
+    /// @param Ready The operation is ready to be executed.
+    /// @param Done The operation has been successfully executed.
+    enum OperationState {
+        Unset,
+        Waiting,
+        Ready,
+        Done
+    }
+
+    /// @dev Represents a call to be made during an operation.
+    /// @param target The address to which the call will be made.
+    /// @param value The amount of Ether (in wei) to be sent along with the call.
+    /// @param data The calldata to be executed on the `target` address.
+    struct Call {
+        address target;
+        uint256 value;
+        bytes data;
+    }
+
+    /// @dev Defines the structure of an operation that Governance executes.
+    /// @param calls An array of `Call` structs, each representing a call to be made during the operation.
+    /// @param predecessor The hash of the predecessor operation, that should be executed before this operation.
+    /// @param salt A bytes32 value used for creating unique operation hashes.
+    struct Operation {
+        Call[] calls;
+        bytes32 predecessor;
+        bytes32 salt;
+    }
+
+    function isOperation(bytes32 _id) external view returns (bool);
+
+    function isOperationPending(bytes32 _id) external view returns (bool);
+
+    function isOperationReady(bytes32 _id) external view returns (bool);
+
+    function isOperationDone(bytes32 _id) external view returns (bool);
+
+    function getOperationState(bytes32 _id) external view returns (OperationState);
+
+    function scheduleTransparent(Operation calldata _operation, uint256 _delay) external;
+
+    function scheduleShadow(bytes32 _id, uint256 _delay) external;
+
+    function cancel(bytes32 _id) external;
+
+    function execute(Operation calldata _operation) external payable;
+
+    function executeInstant(Operation calldata _operation) external payable;
+
+    function hashOperation(Operation calldata _operation) external pure returns (bytes32);
+
+    function updateDelay(uint256 _newDelay) external;
+
+    function updateSecurityCouncil(address _newSecurityCouncil) external;
+
+    /// @notice Emitted when transparent operation is scheduled.
+    event TransparentOperationScheduled(bytes32 indexed _id, uint256 delay, Operation _operation);
+
+    /// @notice Emitted when shadow operation is scheduled.
+    event ShadowOperationScheduled(bytes32 indexed _id, uint256 delay);
+
+    /// @notice Emitted when the operation is executed with delay or instantly.
+    event OperationExecuted(bytes32 indexed _id);
+
+    /// @notice Emitted when the security council address is changed.
+    event ChangeSecurityCouncil(address _securityCouncilBefore, address _securityCouncilAfter);
+
+    /// @notice Emitted when the minimum delay for future operations is modified.
+    event ChangeMinDelay(uint256 _delayBefore, uint256 _delayAfter);
+
+    /// @notice Emitted when the operation with specified id is cancelled.
+    event OperationCancelled(bytes32 indexed _id);
+}
diff --git a/examples/arbitrum/hardhat.config.js b/examples/arbitrum/hardhat.config.js
index 004d226..1265b47 100644
--- a/examples/arbitrum/hardhat.config.js
+++ b/examples/arbitrum/hardhat.config.js
@@ -4,6 +4,7 @@ require('./scripts/syncBatchRoot');
 require('./scripts/changeFeeParams');
 require('./scripts/setValidator');
 require('./scripts/setSecondaryGateway');
+require('./scripts/governance');
 
 const BaseConfig = require('../../hardhat.base.config');
 
diff --git a/examples/arbitrum/scripts/governance.js b/examples/arbitrum/scripts/governance.js
new file mode 100644
index 0000000..8f0611a
--- /dev/null
+++ b/examples/arbitrum/scripts/governance.js
@@ -0,0 +1,130 @@
+const { providers } = require('ethers');
+const { readDeployContract } = require('../../../script/utils');
+const logName = require('../../../script/deploy_log_name');
+const { L1ToL2MessageGasEstimator } = require('@arbitrum/sdk/dist/lib/message/L1ToL2MessageGasEstimator');
+const { getBaseFee } = require('@arbitrum/sdk/dist/lib/utils/lib');
+const { task, types } = require('hardhat/config');
+const { zkLinkConfig } = require('../../../script/zklink_config');
+const { L1TransactionReceipt, L1ToL2MessageStatus } = require('@arbitrum/sdk');
+
+require('dotenv').config();
+
+task('encodeL1ToL2Calldata', 'Encode call data for l1 to l2')
+  .addParam('to', 'The l2 target address', undefined, types.string)
+  .addParam('l2CallData', 'The l2 call data to target address', undefined, types.string)
+  .addParam('l2CallValue', 'The l2 call value to target address', undefined, types.int)
+  .addParam(
+    'refundAddress',
+    'The excess fee and value refund address(should be an EOA address)',
+    undefined,
+    types.string,
+  )
+  .setAction(async (taskArgs, hre) => {
+    const l2ToContractAddress = taskArgs.to;
+    const l2CallData = taskArgs.l2CallData;
+    const l2CallValue = taskArgs.l2CallValue;
+    const refundAddress = taskArgs.refundAddress;
+    console.log(`The l2 target contract address: ${l2ToContractAddress}`);
+    console.log(`The l2 call data to target address: ${l2CallData}`);
+    console.log(`The l2 call value to target address: ${l2CallValue}`);
+    console.log(`The refund address: ${refundAddress}`);
+
+    const l1Provider = new providers.JsonRpcProvider(process.env.L1RPC);
+    const l2Provider = new providers.JsonRpcProvider(process.env.L2RPC);
+    const arbitrumName = process.env.ARBITRUM;
+    const ethereumName = process.env.ETHEREUM;
+
+    const l2ChainInfo = zkLinkConfig[arbitrumName];
+    if (l2ChainInfo === undefined) {
+      console.log('The l2 chain info not exist');
+      return;
+    }
+    const inboxAddr = l2ChainInfo['l1Gateway']['constructParams'][0];
+    if (inboxAddr === undefined) {
+      console.log('The arbitrum inbox address not exist');
+      return;
+    }
+    console.log(`The inbox address: ${inboxAddr}`);
+
+    const l1GovernanceAddr = readDeployContract(
+      logName.DEPLOY_GOVERNANCE_LOG_PREFIX,
+      logName.DEPLOY_LOG_GOVERNANCE,
+      ethereumName,
+    );
+    if (l1GovernanceAddr === undefined) {
+      console.log('governance address not exist');
+      return;
+    }
+    console.log(`The l1 governance address: ${l1GovernanceAddr}`);
+    /**
+     * Now we can query the required gas params using the estimateAll method in Arbitrum SDK
+     */
+    const l1ToL2MessageGasEstimate = new L1ToL2MessageGasEstimator(l2Provider);
+
+    /**
+     * The estimateAll method gives us the following values for sending an L1->L2 message
+     * (1) maxSubmissionCost: The maximum cost to be paid for submitting the transaction
+     * (2) gasLimit: The L2 gas limit
+     * (3) deposit: The total amount to deposit on L1 to cover L2 gas and L2 call value
+     */
+    const l1BaseFee = await getBaseFee(l1Provider);
+    console.log(`Current base fee on L1 is: ${l1BaseFee}`);
+    const L1ToL2MessageGasParams = await l1ToL2MessageGasEstimate.estimateAll(
+      {
+        from: l1GovernanceAddr,
+        to: l2ToContractAddress,
+        l2CallValue: l2CallValue,
+        excessFeeRefundAddress: refundAddress,
+        callValueRefundAddress: refundAddress,
+        data: l2CallData,
+      },
+      l1BaseFee,
+      l1Provider,
+    );
+    console.log(`Current retryable base submission price is: ${L1ToL2MessageGasParams.maxSubmissionCost.toString()}`);
+    console.log(`Estimate gasLimit on L2 is: ${L1ToL2MessageGasParams.gasLimit.toString()}`);
+    console.log(`Estimate maxFeePerGas on L2 is: ${L1ToL2MessageGasParams.maxFeePerGas.toString()}`);
+    console.log(`Estimate fee to pay on L1 is: ${L1ToL2MessageGasParams.deposit.toString()}`);
+
+    const inbox = await hre.ethers.getContractAt('Inbox', '0x0000000000000000000000000000000000000000');
+    const inboxCalldata = inbox.interface.encodeFunctionData('createRetryableTicket', [
+      l2ToContractAddress,
+      l2CallValue,
+      L1ToL2MessageGasParams.maxSubmissionCost,
+      refundAddress,
+      refundAddress,
+      L1ToL2MessageGasParams.gasLimit,
+      L1ToL2MessageGasParams.maxFeePerGas,
+      l2CallData,
+    ]);
+    console.log(`The l1 to l2 call target: ${inboxAddr}`);
+    console.log(`The l1 to l2 call data: ${inboxCalldata}`);
+    console.log(`The l1 to l2 call value: ${L1ToL2MessageGasParams.deposit.toString()}`);
+  });
+
+task('checkL1TxStatus', 'Check the l1 tx status')
+  .addParam('l1TxHash', 'The l1 tx hash', undefined, types.string)
+  .setAction(async taskArgs => {
+    const l1TxHash = taskArgs.l1TxHash;
+    console.log(`The l1 tx hash: ${l1TxHash}`);
+
+    const l1Provider = new providers.JsonRpcProvider(process.env.L1RPC);
+    const l2Provider = new providers.JsonRpcProvider(process.env.L2RPC);
+    const l1TxReceipt = new L1TransactionReceipt(await l1Provider.getTransactionReceipt(l1TxHash));
+
+    /**
+     * In principle, a single L1 txn can trigger any number of L1-to-L2 messages (each with its own sequencer number).
+     * In this case, we know our txn triggered only one
+     * Here, We check if our L1 to L2 message is redeemed on L2
+     */
+    const messages = await l1TxReceipt.getL1ToL2Messages(l2Provider);
+    const message = messages[0];
+    console.log('Waiting for the L2 execution of the transaction. This may take up to 10-15 minutes ⏰');
+    const messageResult = await message.waitForStatus();
+    const status = messageResult.status;
+    if (status === L1ToL2MessageStatus.REDEEMED) {
+      console.log(`L2 retryable ticket is executed 🥳 ${messageResult.l2TxReceipt.transactionHash}`);
+    } else {
+      console.log(`L2 retryable ticket is failed with status ${L1ToL2MessageStatus[status]}`);
+    }
+  });
diff --git a/examples/base/package-lock.json b/examples/base/package-lock.json
index e15cab7..7c27324 100644
--- a/examples/base/package-lock.json
+++ b/examples/base/package-lock.json
@@ -9,10 +9,11 @@
       "version": "1.0.0",
       "license": "MIT",
       "dependencies": {
+        "@eth-optimism/core-utils": "^0.13.1",
         "dotenv": "^16.4.1"
       },
       "devDependencies": {
-        "@eth-optimism/sdk": "^3.2.0",
+        "@eth-optimism/sdk": "^3.2.3",
         "@nomiclabs/hardhat-ethers": "^2.0.2",
         "ethers": "^5.7.2",
         "hardhat": "^2.9.1"
@@ -67,7 +68,6 @@
       "version": "0.13.1",
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@@ -87,9 +87,9 @@
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@@ -176,7 +176,6 @@
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       "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
-      "dev": true,
       "dependencies": {
         "bn.js": "^4.11.9",
         "brorand": "^1.1.0",
@@ -1907,8 +1868,7 @@
     "node_modules/elliptic/node_modules/bn.js": {
       "version": "4.12.0",
       "resolved": "https://registry.npmmirror.com/bn.js/-/bn.js-4.12.0.tgz",
-      "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
-      "dev": true
+      "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA=="
     },
     "node_modules/emoji-regex": {
       "version": "8.0.0",
@@ -2050,7 +2010,6 @@
       "version": "5.7.2",
       "resolved": "https://registry.npmmirror.com/ethers/-/ethers-5.7.2.tgz",
       "integrity": "sha512-wswUsmWo1aOK8rR7DIKiWSw9DbLWe6x98Jrn8wcTflTVvaXhAMaB5zGAXy0GYQEQp9iO1iSHWVyARQm11zUtyg==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/abi": "5.7.0",
         "@ethersproject/abstract-provider": "5.7.0",
@@ -2228,7 +2187,6 @@
       "version": "2.0.2",
       "resolved": "https://registry.npmmirror.com/get-func-name/-/get-func-name-2.0.2.tgz",
       "integrity": "sha512-8vXOvuE167CtIc3OyItco7N/dpRtBbYOsPsXCz7X/PMnlGjYjSGuZJgM1Y7mmew7BKf9BqvLX2tnOVy1BBUsxQ==",
-      "dev": true,
       "engines": {
         "node": "*"
       }
@@ -2370,7 +2328,6 @@
       "version": "1.1.7",
       "resolved": "https://registry.npmmirror.com/hash.js/-/hash.js-1.1.7.tgz",
       "integrity": "sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==",
-      "dev": true,
       "dependencies": {
         "inherits": "^2.0.3",
         "minimalistic-assert": "^1.0.1"
@@ -2389,7 +2346,6 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmmirror.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz",
       "integrity": "sha512-Tti3gMqLdZfhOQY1Mzf/AanLiqh1WTiJgEj26ZuYQ9fbkLomzGchCws4FyrSd4VkpBfiNhaE1On+lOz894jvXg==",
-      "dev": true,
       "dependencies": {
         "hash.js": "^1.0.3",
         "minimalistic-assert": "^1.0.0",
@@ -2465,8 +2421,7 @@
     "node_modules/inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmmirror.com/inherits/-/inherits-2.0.4.tgz",
-      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
-      "dev": true
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
     "node_modules/io-ts": {
       "version": "1.10.4",
@@ -2559,8 +2514,7 @@
     "node_modules/js-sha3": {
       "version": "0.8.0",
       "resolved": "https://registry.npmmirror.com/js-sha3/-/js-sha3-0.8.0.tgz",
-      "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==",
-      "dev": true
+      "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q=="
     },
     "node_modules/js-yaml": {
       "version": "4.1.0",
@@ -2707,7 +2661,6 @@
       "version": "2.3.7",
       "resolved": "https://registry.npmmirror.com/loupe/-/loupe-2.3.7.tgz",
       "integrity": "sha512-zSMINGVYkdpYSOBmLi0D1Uo7JU9nVdQKrHxC8eYlV+9YKK9WePqAlL7lSlorG/U2Fw1w0hTBmaa/jrQ3UbPHtA==",
-      "dev": true,
       "dependencies": {
         "get-func-name": "^2.0.1"
       }
@@ -2775,14 +2728,12 @@
     "node_modules/minimalistic-assert": {
       "version": "1.0.1",
       "resolved": "https://registry.npmmirror.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz",
-      "integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==",
-      "dev": true
+      "integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A=="
     },
     "node_modules/minimalistic-crypto-utils": {
       "version": "1.0.1",
       "resolved": "https://registry.npmmirror.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz",
-      "integrity": "sha512-JIYlbt6g8i5jKfJ3xz7rF0LXmv2TkDxBLUkiBeZ7bAx4GnnNMr8xFpGnOxn6GhTEHx3SjRrZEoU+j04prX1ktg==",
-      "dev": true
+      "integrity": "sha512-JIYlbt6g8i5jKfJ3xz7rF0LXmv2TkDxBLUkiBeZ7bAx4GnnNMr8xFpGnOxn6GhTEHx3SjRrZEoU+j04prX1ktg=="
     },
     "node_modules/minimatch": {
       "version": "3.1.2",
@@ -3017,7 +2968,6 @@
       "version": "2.7.0",
       "resolved": "https://registry.npmmirror.com/node-fetch/-/node-fetch-2.7.0.tgz",
       "integrity": "sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==",
-      "dev": true,
       "dependencies": {
         "whatwg-url": "^5.0.0"
       },
@@ -3170,7 +3120,6 @@
       "version": "1.1.1",
       "resolved": "https://registry.npmmirror.com/pathval/-/pathval-1.1.1.tgz",
       "integrity": "sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==",
-      "dev": true,
       "engines": {
         "node": "*"
       }
@@ -3326,8 +3275,7 @@
     "node_modules/scrypt-js": {
       "version": "3.0.1",
       "resolved": "https://registry.npmmirror.com/scrypt-js/-/scrypt-js-3.0.1.tgz",
-      "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA==",
-      "dev": true
+      "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA=="
     },
     "node_modules/secp256k1": {
       "version": "4.0.3",
@@ -3601,8 +3549,7 @@
     "node_modules/tr46": {
       "version": "0.0.3",
       "resolved": "https://registry.npmmirror.com/tr46/-/tr46-0.0.3.tgz",
-      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
-      "dev": true
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw=="
     },
     "node_modules/treeify": {
       "version": "1.1.0",
@@ -3641,7 +3588,6 @@
       "version": "4.0.8",
       "resolved": "https://registry.npmmirror.com/type-detect/-/type-detect-4.0.8.tgz",
       "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
-      "dev": true,
       "engines": {
         "node": ">=4"
       }
@@ -3776,14 +3722,12 @@
     "node_modules/webidl-conversions": {
       "version": "3.0.1",
       "resolved": "https://registry.npmmirror.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
-      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
-      "dev": true
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="
     },
     "node_modules/whatwg-url": {
       "version": "5.0.0",
       "resolved": "https://registry.npmmirror.com/whatwg-url/-/whatwg-url-5.0.0.tgz",
       "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
-      "dev": true,
       "dependencies": {
         "tr46": "~0.0.3",
         "webidl-conversions": "^3.0.0"
@@ -3861,7 +3805,6 @@
       "version": "7.4.6",
       "resolved": "https://registry.npmmirror.com/ws/-/ws-7.4.6.tgz",
       "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
-      "dev": true,
       "engines": {
         "node": ">=8.3.0"
       },
diff --git a/examples/base/package.json b/examples/base/package.json
index 787d94f..15ecc04 100644
--- a/examples/base/package.json
+++ b/examples/base/package.json
@@ -4,12 +4,13 @@
   "version": "1.0.0",
   "scripts": {},
   "devDependencies": {
-    "@eth-optimism/sdk": "^3.2.0",
+    "@eth-optimism/sdk": "^3.2.3",
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "ethers": "^5.7.2",
     "hardhat": "^2.9.1"
   },
   "dependencies": {
+    "@eth-optimism/core-utils": "^0.13.1",
     "dotenv": "^16.4.1"
   }
 }
diff --git a/examples/base/scripts/baseTasks.js b/examples/base/scripts/baseTasks.js
index e200e4a..1a2ae32 100644
--- a/examples/base/scripts/baseTasks.js
+++ b/examples/base/scripts/baseTasks.js
@@ -7,8 +7,9 @@ const {
   changeFeeParams,
   encodeSetValidator,
   encodeChangeFeeParams,
-} = require('../../utils/opstack-utils');
-const { L1_MAINNET_CONTRACTS, L1_TESTNET_CONTRACTS } = require('./constants');
+  encodeL1ToL2Calldata,
+  checkL1TxStatus,
+} = require('../../optimism/scripts/opstack-utils');
 const { task, types } = require('hardhat/config');
 require('dotenv').config();
 
@@ -21,16 +22,12 @@ async function initMessenger() {
   const l1Wallet = new ethers.Wallet(walletPrivateKey, l1Provider);
   const l2Wallet = new ethers.Wallet(walletPrivateKey, l2Provider);
 
-  const messengerL1Contracts = ethereumName !== 'ETHEREUM' ? L1_TESTNET_CONTRACTS : L1_MAINNET_CONTRACTS;
   const messenger = new base.CrossChainMessenger({
-    l1ChainId: await l1Wallet.getChainId(), // 11155111 for Sepolia, 1 for Ethereum
-    l2ChainId: await l2Wallet.getChainId(), // 84532 for Base Sepolia, 8453 for Base Mainnet
+    l1ChainId: await l1Wallet.getChainId(),
+    l2ChainId: await l2Wallet.getChainId(),
     l1SignerOrProvider: l1Wallet,
     l2SignerOrProvider: l2Wallet,
     bedrock: true,
-    contracts: {
-      l1: messengerL1Contracts,
-    },
   });
 
   return { messenger, ethereumName, baseName };
@@ -43,7 +40,7 @@ task('syncBatchRoot', 'Forward message to L2').setAction(async (_, hre) => {
   const l2CurrentBlock = await l2Wallet.provider.getBlockNumber();
   console.log(`Current block on l2: ${l2CurrentBlock}`);
 
-  const message = await syncBatchRoot(hre, messenger, ethereumName, baseName, 'base');
+  const message = await syncBatchRoot(hre, messenger, ethereumName, baseName);
   // Waiting for the official base bridge to forward the message to L2
   await messenger.waitForMessageStatus(message, base.MessageStatus.RELAYED);
   const rec = await messenger.getMessageReceipt(message, 0, l2CurrentBlock, 'latest');
@@ -63,7 +60,7 @@ task('syncL2Requests', 'Send sync point to arbitrator')
 
     const { messenger, ethereumName, baseName } = await initMessenger();
 
-    await syncL2Requests(hre, messenger, ethereumName, baseName, 'base', txs);
+    await syncL2Requests(hre, messenger, ethereumName, baseName, txs);
 
     console.log('Done!');
 
@@ -86,7 +83,7 @@ task('setValidator', 'Set validator for zkLink')
     const l2CurrentBlock = await l2Wallet.provider.getBlockNumber();
     console.log(`Current block on l2: ${l2CurrentBlock}`);
 
-    const message = await setValidator(hre, messenger, ethereumName, baseName, 'base', validatorAddr, isActive);
+    const message = await setValidator(hre, messenger, ethereumName, baseName, validatorAddr, isActive);
     // Waiting for the official base bridge to forward the message to L2
     await messenger.waitForMessageStatus(message, base.MessageStatus.RELAYED);
     const rec = await messenger.getMessageReceipt(message, 0, l2CurrentBlock, 'latest');
@@ -101,7 +98,7 @@ task('changeFeeParams', 'Change fee params for zkLink').setAction(async (_, hre)
   const l2CurrentBlock = await l2Wallet.provider.getBlockNumber();
   console.log(`Current block on l2: ${l2CurrentBlock}`);
 
-  const message = await changeFeeParams(hre, messenger, ethereumName, baseName, 'base');
+  const message = await changeFeeParams(hre, messenger, ethereumName, baseName);
   // Waiting for the official base bridge to forward the message to L2
   await messenger.waitForMessageStatus(message, base.MessageStatus.RELAYED);
   const rec = await messenger.getMessageReceipt(message, 0, l2CurrentBlock, 'latest');
@@ -112,7 +109,7 @@ task('changeFeeParams', 'Change fee params for zkLink').setAction(async (_, hre)
 task('encodeChangeFeeParams', 'Get the calldata of changing fee params for zkLink').setAction(async (_, hre) => {
   const { messenger, ethereumName, baseName } = await initMessenger();
 
-  await encodeChangeFeeParams(hre, messenger, ethereumName, baseName, 'base');
+  await encodeChangeFeeParams(hre, messenger, ethereumName, baseName);
 });
 
 task('encodeSetValidator', 'Get the calldata of set validator for zkLink')
@@ -125,5 +122,32 @@ task('encodeSetValidator', 'Get the calldata of set validator for zkLink')
 
     const { messenger, ethereumName, baseName } = await initMessenger();
 
-    await encodeSetValidator(hre, messenger, ethereumName, baseName, 'base', validatorAddr, isActive);
+    await encodeSetValidator(hre, messenger, ethereumName, baseName, validatorAddr, isActive);
+  });
+
+task('encodeL1ToL2Calldata', 'Encode call data for l1 to l2')
+  .addParam('to', 'The l2 target address', undefined, types.string)
+  .addParam('l2CallData', 'The l2 call data to target address', undefined, types.string)
+  .addParam('l2CallValue', 'The l2 call value to target address', undefined, types.int)
+  .setAction(async (taskArgs, hre) => {
+    const l2ToContractAddress = taskArgs.to;
+    const l2CallData = taskArgs.l2CallData;
+    const l2CallValue = taskArgs.l2CallValue;
+    console.log(`The l2 target contract address: ${l2ToContractAddress}`);
+    console.log(`The l2 call data to target address: ${l2CallData}`);
+    console.log(`The l2 call value to target address: ${l2CallValue}`);
+
+    const { messenger, ethereumName, baseName } = await initMessenger();
+
+    await encodeL1ToL2Calldata(hre, messenger, ethereumName, baseName, l2ToContractAddress, l2CallData, l2CallValue);
+  });
+
+task('checkL1TxStatus', 'Check the l1 tx status')
+  .addParam('l1TxHash', 'The l1 tx hash', undefined, types.string)
+  .setAction(async (taskArgs, hre) => {
+    const l1TxHash = taskArgs.l1TxHash;
+    console.log(`The l1 tx hash: ${l1TxHash}`);
+
+    const { messenger, ethereumName, baseName } = await initMessenger();
+    await checkL1TxStatus(hre, messenger, ethereumName, baseName, l1TxHash);
   });
diff --git a/examples/base/scripts/constants.js b/examples/base/scripts/constants.js
deleted file mode 100644
index f735b82..0000000
--- a/examples/base/scripts/constants.js
+++ /dev/null
@@ -1,28 +0,0 @@
-// Testnet
-const L1_TESTNET_CONTRACTS = {
-  StateCommitmentChain: '0x0000000000000000000000000000000000000000',
-  BondManager: '0x0000000000000000000000000000000000000000',
-  CanonicalTransactionChain: '0x0000000000000000000000000000000000000000',
-  AddressManager: '0x709c2B8ef4A9feFc629A8a2C1AF424Dc5BD6ad1B',
-  L1CrossDomainMessenger: '0xC34855F4De64F1840e5686e64278da901e261f20',
-  L1StandardBridge: '0xfd0Bf71F60660E2f608ed56e1659C450eB113120',
-  OptimismPortal: '0x49f53e41452C74589E85cA1677426Ba426459e85',
-  L2OutputOracle: '0x84457ca9D0163FbC4bbfe4Dfbb20ba46e48DF254',
-};
-
-// Mainnet
-const L1_MAINNET_CONTRACTS = {
-  StateCommitmentChain: '0x0000000000000000000000000000000000000000',
-  BondManager: '0x0000000000000000000000000000000000000000',
-  CanonicalTransactionChain: '0x0000000000000000000000000000000000000000',
-  AddressManager: '0x8EfB6B5c4767B09Dc9AA6Af4eAA89F749522BaE2',
-  L1CrossDomainMessenger: '0x866E82a600A1414e583f7F13623F1aC5d58b0Afa',
-  L1StandardBridge: '0x3154Cf16ccdb4C6d922629664174b904d80F2C35',
-  OptimismPortal: '0x49048044D57e1C92A77f79988d21Fa8fAF74E97e',
-  L2OutputOracle: '0x56315b90c40730925ec5485cf004d835058518A0',
-};
-
-module.exports = {
-  L1_TESTNET_CONTRACTS,
-  L1_MAINNET_CONTRACTS,
-};
diff --git a/examples/blast/package-lock.json b/examples/blast/package-lock.json
index ca273b6..9480acf 100644
--- a/examples/blast/package-lock.json
+++ b/examples/blast/package-lock.json
@@ -9,10 +9,11 @@
       "version": "1.0.0",
       "license": "MIT",
       "dependencies": {
+        "@eth-optimism/core-utils": "^0.13.1",
         "dotenv": "^16.4.1"
       },
       "devDependencies": {
-        "@eth-optimism/sdk": "^3.2.0",
+        "@eth-optimism/sdk": "^3.2.3",
         "@nomiclabs/hardhat-ethers": "^2.0.2",
         "ethers": "^5.7.2",
         "hardhat": "^2.9.1"
@@ -67,7 +68,6 @@
       "version": "0.13.1",
       "resolved": "https://registry.npmmirror.com/@eth-optimism/core-utils/-/core-utils-0.13.1.tgz",
       "integrity": "sha512-1FvzbUmCEy9zSKPG1QWg2VfA2Cy90xBA9Wkp11lXXrz91zUPCNCNSRTujXWYIC86ketNsZp7p4njSf6lTycHCw==",
-      "dev": true,
       "hasInstallScript": true,
       "dependencies": {
         "@ethersproject/abi": "^5.7.0",
@@ -87,11 +87,10 @@
       }
     },
     "node_modules/@eth-optimism/sdk": {
-      "version": "3.2.1",
-      "resolved": "https://registry.npmmirror.com/@eth-optimism/sdk/-/sdk-3.2.1.tgz",
-      "integrity": "sha512-COmnT2zRzFn2XhMW/OD1ML3gCrT6SO95YF3hV/Mx3G1G4Q6zOv09rwU1avH/OcqdDMBmZ/DTrZm+9OVmc+YPlQ==",
+      "version": "3.2.3",
+      "resolved": "https://registry.npmjs.org/@eth-optimism/sdk/-/sdk-3.2.3.tgz",
+      "integrity": "sha512-e3XQTbbU+HTzsEv/VIsJpZifK6YZVlzEtF6tj/Vz/VIEDCjZk5JPcnCQOMVcs9ICI4EJyyur+y/+RU7fPa6qtg==",
       "dev": true,
-      "hasInstallScript": true,
       "dependencies": {
         "@eth-optimism/contracts": "0.6.0",
         "@eth-optimism/contracts-bedrock": "0.17.1",
@@ -177,7 +176,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/abi/-/abi-5.7.0.tgz",
       "integrity": "sha512-351ktp42TiRcYB3H1OP8yajPeAQstMW/yCFokj/AthP9bLHzQFPlOrxOcwYEDkUAICmOHljvN4K39OMTMUa9RA==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/address": "^5.7.0",
         "@ethersproject/bignumber": "^5.7.0",
@@ -194,7 +192,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/abstract-provider/-/abstract-provider-5.7.0.tgz",
       "integrity": "sha512-R41c9UkchKCpAqStMYUpdunjo3pkEvZC3FAwZn5S5MGbXoMQOHIdHItezTETxAO5bevtMApSyEhn9+CHcDsWBw==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bignumber": "^5.7.0",
         "@ethersproject/bytes": "^5.7.0",
@@ -209,7 +206,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/abstract-signer/-/abstract-signer-5.7.0.tgz",
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@@ -2585,7 +2541,6 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmmirror.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz",
       "integrity": "sha512-Tti3gMqLdZfhOQY1Mzf/AanLiqh1WTiJgEj26ZuYQ9fbkLomzGchCws4FyrSd4VkpBfiNhaE1On+lOz894jvXg==",
-      "dev": true,
       "dependencies": {
         "hash.js": "^1.0.3",
         "minimalistic-assert": "^1.0.0",
@@ -2661,8 +2616,7 @@
     "node_modules/inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmmirror.com/inherits/-/inherits-2.0.4.tgz",
-      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
-      "dev": true
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
     "node_modules/io-ts": {
       "version": "1.10.4",
@@ -2761,8 +2715,7 @@
     "node_modules/js-sha3": {
       "version": "0.8.0",
       "resolved": "https://registry.npmmirror.com/js-sha3/-/js-sha3-0.8.0.tgz",
-      "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==",
-      "dev": true
+      "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q=="
     },
     "node_modules/js-yaml": {
       "version": "4.1.0",
@@ -2909,7 +2862,6 @@
       "version": "2.3.7",
       "resolved": "https://registry.npmmirror.com/loupe/-/loupe-2.3.7.tgz",
       "integrity": "sha512-zSMINGVYkdpYSOBmLi0D1Uo7JU9nVdQKrHxC8eYlV+9YKK9WePqAlL7lSlorG/U2Fw1w0hTBmaa/jrQ3UbPHtA==",
-      "dev": true,
       "dependencies": {
         "get-func-name": "^2.0.1"
       }
@@ -2974,14 +2926,12 @@
     "node_modules/minimalistic-assert": {
       "version": "1.0.1",
       "resolved": "https://registry.npmmirror.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz",
-      "integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==",
-      "dev": true
+      "integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A=="
     },
     "node_modules/minimalistic-crypto-utils": {
       "version": "1.0.1",
       "resolved": "https://registry.npmmirror.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz",
-      "integrity": "sha512-JIYlbt6g8i5jKfJ3xz7rF0LXmv2TkDxBLUkiBeZ7bAx4GnnNMr8xFpGnOxn6GhTEHx3SjRrZEoU+j04prX1ktg==",
-      "dev": true
+      "integrity": "sha512-JIYlbt6g8i5jKfJ3xz7rF0LXmv2TkDxBLUkiBeZ7bAx4GnnNMr8xFpGnOxn6GhTEHx3SjRrZEoU+j04prX1ktg=="
     },
     "node_modules/minimatch": {
       "version": "3.1.2",
@@ -3216,7 +3166,6 @@
       "version": "2.7.0",
       "resolved": "https://registry.npmmirror.com/node-fetch/-/node-fetch-2.7.0.tgz",
       "integrity": "sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==",
-      "dev": true,
       "dependencies": {
         "whatwg-url": "^5.0.0"
       },
@@ -3369,7 +3318,6 @@
       "version": "1.1.1",
       "resolved": "https://registry.npmmirror.com/pathval/-/pathval-1.1.1.tgz",
       "integrity": "sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==",
-      "dev": true,
       "engines": {
         "node": "*"
       }
@@ -3540,8 +3488,7 @@
     "node_modules/scrypt-js": {
       "version": "3.0.1",
       "resolved": "https://registry.npmmirror.com/scrypt-js/-/scrypt-js-3.0.1.tgz",
-      "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA==",
-      "dev": true
+      "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA=="
     },
     "node_modules/secp256k1": {
       "version": "4.0.3",
@@ -3833,8 +3780,7 @@
     "node_modules/tr46": {
       "version": "0.0.3",
       "resolved": "https://registry.npmmirror.com/tr46/-/tr46-0.0.3.tgz",
-      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
-      "dev": true
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw=="
     },
     "node_modules/treeify": {
       "version": "1.1.0",
@@ -3873,7 +3819,6 @@
       "version": "4.0.8",
       "resolved": "https://registry.npmmirror.com/type-detect/-/type-detect-4.0.8.tgz",
       "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
-      "dev": true,
       "engines": {
         "node": ">=4"
       }
@@ -4008,14 +3953,12 @@
     "node_modules/webidl-conversions": {
       "version": "3.0.1",
       "resolved": "https://registry.npmmirror.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
-      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
-      "dev": true
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="
     },
     "node_modules/whatwg-url": {
       "version": "5.0.0",
       "resolved": "https://registry.npmmirror.com/whatwg-url/-/whatwg-url-5.0.0.tgz",
       "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
-      "dev": true,
       "dependencies": {
         "tr46": "~0.0.3",
         "webidl-conversions": "^3.0.0"
@@ -4093,7 +4036,6 @@
       "version": "7.4.6",
       "resolved": "https://registry.npmmirror.com/ws/-/ws-7.4.6.tgz",
       "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
-      "dev": true,
       "engines": {
         "node": ">=8.3.0"
       },
diff --git a/examples/blast/package.json b/examples/blast/package.json
index 80e7f85..40ed0a7 100644
--- a/examples/blast/package.json
+++ b/examples/blast/package.json
@@ -4,12 +4,13 @@
   "version": "1.0.0",
   "scripts": {},
   "devDependencies": {
-    "@eth-optimism/sdk": "^3.2.0",
+    "@eth-optimism/sdk": "^3.2.3",
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "ethers": "^5.7.2",
     "hardhat": "^2.9.1"
   },
   "dependencies": {
+    "@eth-optimism/core-utils": "^0.13.1",
     "dotenv": "^16.4.1"
   }
 }
diff --git a/examples/blast/scripts/blastTasks.js b/examples/blast/scripts/blastTasks.js
index b308b1a..58617cb 100644
--- a/examples/blast/scripts/blastTasks.js
+++ b/examples/blast/scripts/blastTasks.js
@@ -7,7 +7,9 @@ const {
   changeFeeParams,
   encodeSetValidator,
   encodeChangeFeeParams,
-} = require('../../utils/opstack-utils');
+  encodeL1ToL2Calldata,
+  checkL1TxStatus,
+} = require('../../optimism/scripts/opstack-utils');
 const {
   MESSAGE_PASSER_ABI,
   MESSAGE_PASSER_ADDRESS,
@@ -34,8 +36,8 @@ async function initMessenger() {
   const yieldManagerAddress =
     ethereumName !== 'ETHEREUM' ? YIELD_MANAGER_TESTNET_ADDRESS : YIELD_MANAGER_MAINNET_ADDRESS;
   const messenger = new blast.CrossChainMessenger({
-    l1ChainId: await l1Wallet.getChainId(), // 11155111 for Sepolia, 1 for Ethereum
-    l2ChainId: await l2Wallet.getChainId(), // 168587773 for Blast Testnet, 81457 for Blast Mainnet
+    l1ChainId: await l1Wallet.getChainId(),
+    l2ChainId: await l2Wallet.getChainId(),
     l1SignerOrProvider: l1Wallet,
     l2SignerOrProvider: l2Wallet,
     bedrock: true,
@@ -54,6 +56,19 @@ async function initMessenger() {
   return { messenger, messengerL1Contracts, yieldManagerAddress, ethereumName, blastName };
 }
 
+task('depositETH', 'Deposit eth to L2')
+  .addParam('amount', 'The deposit amount', undefined, types.string, false)
+  .setAction(async taskArgs => {
+    const amount = taskArgs.amount;
+    console.log(`The deposit amount: ${amount}`);
+    const { messenger } = await initMessenger();
+
+    const tx = await messenger.depositETH(ethers.utils.parseEther(amount));
+    console.log(`The tx hash: ${tx.hash}`);
+    await tx.wait();
+    console.log(`Deposit success`);
+  });
+
 task('syncBatchRoot', 'Forward message to L2').setAction(async (_, hre) => {
   const { messenger, ethereumName, blastName } = await initMessenger();
 
@@ -61,7 +76,7 @@ task('syncBatchRoot', 'Forward message to L2').setAction(async (_, hre) => {
   const l2CurrentBlock = await l2Wallet.provider.getBlockNumber();
   console.log(`Current block on l2: ${l2CurrentBlock}`);
 
-  const message = await syncBatchRoot(hre, messenger, ethereumName, blastName, 'blast');
+  const message = await syncBatchRoot(hre, messenger, ethereumName, blastName);
 
   await messenger.waitForMessageStatus(message, blast.MessageStatus.RELAYED);
   const rec = await messenger.getMessageReceipt(message, 0, l2CurrentBlock, 'latest');
@@ -100,7 +115,7 @@ task('syncL2Requests', 'Send sync point to arbitrator')
     const l2WalletBalance = ethers.utils.formatEther(await l2Wallet.getBalance());
     console.log(`${l2WalletAddress} balance on l2: ${l2WalletBalance} ether`);
 
-    const { zkLinkAddr } = await getContractAddresses(ethereumName, blastName, 'blast');
+    const { zkLinkAddr } = await getContractAddresses(ethereumName, blastName);
 
     const zkLink = await hre.ethers.getContractAt('ZkLink', zkLinkAddr, l2Wallet);
     const calldata = zkLink.interface.encodeFunctionData('syncL2Requests', [txs]);
@@ -230,7 +245,7 @@ task('setValidator', 'Set validator for zkLink')
     const l2CurrentBlock = await l2Wallet.provider.getBlockNumber();
     console.log(`Current block on l2: ${l2CurrentBlock}`);
 
-    const message = await setValidator(hre, messenger, ethereumName, blastName, 'blast', validatorAddr, isActive);
+    const message = await setValidator(hre, messenger, ethereumName, blastName, validatorAddr, isActive);
 
     await messenger.waitForMessageStatus(message, blast.MessageStatus.RELAYED);
     const rec = await messenger.getMessageReceipt(message, 0, l2CurrentBlock, 'latest');
@@ -245,7 +260,7 @@ task('changeFeeParams', 'Change fee params for zkLink').setAction(async (taskArg
   const l2CurrentBlock = await l2Wallet.provider.getBlockNumber();
   console.log(`Current block on l2: ${l2CurrentBlock}`);
 
-  const message = await changeFeeParams(hre, messenger, ethereumName, blastName, 'blast');
+  const message = await changeFeeParams(hre, messenger, ethereumName, blastName);
 
   await messenger.waitForMessageStatus(message, blast.MessageStatus.RELAYED);
   const rec = await messenger.getMessageReceipt(message, 0, l2CurrentBlock, 'latest');
@@ -256,7 +271,7 @@ task('changeFeeParams', 'Change fee params for zkLink').setAction(async (taskArg
 task('encodeChangeFeeParams', 'Get the calldata of changing fee params for zkLink').setAction(async (_, hre) => {
   const { messenger, ethereumName, blastName } = await initMessenger();
 
-  await encodeChangeFeeParams(hre, messenger, ethereumName, blastName, 'blast');
+  await encodeChangeFeeParams(hre, messenger, ethereumName, blastName);
 });
 
 task('encodeSetValidator', 'Get the calldata of set validator for zkLink')
@@ -269,5 +284,40 @@ task('encodeSetValidator', 'Get the calldata of set validator for zkLink')
 
     const { messenger, ethereumName, blastName } = await initMessenger();
 
-    await encodeSetValidator(hre, messenger, ethereumName, blastName, 'blast', validatorAddr, isActive);
+    await encodeSetValidator(hre, messenger, ethereumName, blastName, validatorAddr, isActive);
+  });
+
+task('encodeL1ToL2Calldata', 'Encode call data for l1 to l2')
+  .addParam('to', 'The l2 target address', undefined, types.string)
+  .addParam('l2CallData', 'The l2 call data to target address', undefined, types.string)
+  .addParam('l2CallValue', 'The l2 call value to target address', undefined, types.int)
+  .setAction(async (taskArgs, hre) => {
+    const l2ToContractAddress = taskArgs.to;
+    const l2CallData = taskArgs.l2CallData;
+    const l2CallValue = taskArgs.l2CallValue;
+    console.log(`The l2 target contract address: ${l2ToContractAddress}`);
+    console.log(`The l2 call data to target address: ${l2CallData}`);
+    console.log(`The l2 call value to target address: ${l2CallValue}`);
+
+    const initInfo = await initMessenger();
+
+    await encodeL1ToL2Calldata(
+      hre,
+      initInfo.messenger,
+      initInfo.ethereumName,
+      initInfo.blastName,
+      l2ToContractAddress,
+      l2CallData,
+      l2CallValue,
+    );
+  });
+
+task('checkL1TxStatus', 'Check the l1 tx status')
+  .addParam('l1TxHash', 'The l1 tx hash', undefined, types.string)
+  .setAction(async (taskArgs, hre) => {
+    const l1TxHash = taskArgs.l1TxHash;
+    console.log(`The l1 tx hash: ${l1TxHash}`);
+
+    const initInfo = await initMessenger();
+    await checkL1TxStatus(hre, initInfo.messenger, initInfo.ethereumName, initInfo.blastName, l1TxHash);
   });
diff --git a/examples/linea/hardhat.config.js b/examples/linea/hardhat.config.js
index d6ffded..d9849f3 100644
--- a/examples/linea/hardhat.config.js
+++ b/examples/linea/hardhat.config.js
@@ -4,6 +4,7 @@ require('./scripts/syncBatchRoot');
 require('./scripts/setValidator');
 require('./scripts/changeFeeParams');
 require('./scripts/setSecondaryGateway');
+require('./scripts/governance');
 
 const BaseConfig = require('../../hardhat.base.config');
 
diff --git a/examples/linea/scripts/changeFeeParams.js b/examples/linea/scripts/changeFeeParams.js
index 44324a1..fda6d8a 100644
--- a/examples/linea/scripts/changeFeeParams.js
+++ b/examples/linea/scripts/changeFeeParams.js
@@ -1,15 +1,11 @@
 const { JsonRpcProvider, Wallet, formatEther } = require('ethers');
-const { LineaSDK, OnChainMessageStatus } = require('@consensys/linea-sdk');
 const { readDeployContract, getLogName } = require('../../../script/utils');
 const logName = require('../../../script/deploy_log_name');
 const { task } = require('hardhat/config');
+const { claimL1ToL2Message } = require('./common');
 
 require('dotenv').config();
 
-function sleep(ms) {
-  return new Promise(resolve => setTimeout(resolve, ms));
-}
-
 task('changeFeeParams', 'Change fee params for zkLink').setAction(async (taskArgs, hre) => {
   const walletPrivateKey = process.env.DEVNET_PRIVKEY;
   const l1Provider = new JsonRpcProvider(process.env.L1RPC);
@@ -18,16 +14,6 @@ task('changeFeeParams', 'Change fee params for zkLink').setAction(async (taskArg
   const lineaName = process.env.LINEA;
   const l1Wallet = new Wallet(walletPrivateKey, l1Provider);
   const l2Wallet = new Wallet(walletPrivateKey, l2Provider);
-  const sdk = new LineaSDK({
-    l1RpcUrl: process.env.L1RPC ?? '',
-    l2RpcUrl: process.env.L2RPC ?? '',
-    l1SignerPrivateKey: walletPrivateKey ?? '',
-    l2SignerPrivateKey: walletPrivateKey ?? '',
-    network: ethereumName === 'GOERLI' ? 'linea-goerli' : 'linea-mainnet',
-    mode: 'read-write',
-  });
-  const lineaL1Contract = sdk.getL1Contract();
-  const lineaL2Contract = sdk.getL2Contract();
 
   const l1WalletAddress = await l1Wallet.getAddress();
   const l1WalletBalance = formatEther(await l1Provider.getBalance(l1WalletAddress));
@@ -71,29 +57,8 @@ task('changeFeeParams', 'Change fee params for zkLink').setAction(async (taskArg
   const adapterParams = '0x';
   const { INIT_FEE_PARAMS } = require('../../../script/zksync_era');
   let tx = await arbitrator.changeFeeParams(lineaL1GatewayAddr, INIT_FEE_PARAMS, adapterParams);
-  console.log(`The tx hash: ${tx.hash}`);
+  console.log(`The l1 tx hash: ${tx.hash}`);
   await tx.wait();
-  console.log(`The tx confirmed`);
-
-  /**
-   * Query the transaction status on L2 via messageHash.
-   */
-  const message = (await lineaL1Contract.getMessagesByTransactionHash(tx.hash)).pop();
-
-  // Waiting for the official Linea bridge to forward the message to L2
-  // And manually claim the message on L2
-  /*eslint no-constant-condition: ["error", { "checkLoops": false }]*/
-  while (true) {
-    const messageStatus = await lineaL2Contract.getMessageStatus(message.messageHash);
-    console.log(`The message status: ${messageStatus}`);
-    if (messageStatus === OnChainMessageStatus.CLAIMABLE) {
-      const tx = await lineaL2Contract.claim(message);
-      console.log(`The tx hash: ${tx.hash}`);
-      await tx.wait();
-      console.log(`The tx confirmed`);
-      break;
-    }
-    await sleep(60 * 1000);
-  }
-  console.log('Done');
+  console.log(`The l1 tx confirmed`);
+  await claimL1ToL2Message(tx.hash);
 });
diff --git a/examples/linea/scripts/common.js b/examples/linea/scripts/common.js
new file mode 100644
index 0000000..991f484
--- /dev/null
+++ b/examples/linea/scripts/common.js
@@ -0,0 +1,98 @@
+const { LineaSDK, OnChainMessageStatus } = require('@consensys/linea-sdk');
+
+function initSDK() {
+  const walletPrivateKey = process.env.DEVNET_PRIVKEY;
+  const ethereumName = process.env.ETHEREUM;
+  const sdk = new LineaSDK({
+    l1RpcUrl: process.env.L1RPC ?? '',
+    l2RpcUrl: process.env.L2RPC ?? '',
+    l1SignerPrivateKey: walletPrivateKey ?? '',
+    l2SignerPrivateKey: walletPrivateKey ?? '',
+    network: ethereumName === 'GOERLI' ? 'linea-goerli' : ethereumName === 'SEPOLIA' ? 'localhost' : 'linea-mainnet', // sdk not support SEPOLIA
+    mode: 'read-write',
+  });
+  const sepoliaContracts = {
+    l1ContractAddress: '0xB218f8A4Bc926cF1cA7b3423c154a0D627Bdb7E5',
+    l2ContractAddress: '0x971e727e956690b9957be6d51Ec16E73AcAC83A7',
+  };
+  const lineaL1Contract = sdk.getL1Contract(sepoliaContracts.l1ContractAddress);
+  const lineaL2Contract = sdk.getL2Contract(sepoliaContracts.l2ContractAddress);
+  const lineaL1ClaimingService = sdk.getL1ClaimingService(
+    sepoliaContracts.l1ContractAddress,
+    sepoliaContracts.l2ContractAddress,
+  );
+  return { lineaL1Contract, lineaL2Contract, lineaL1ClaimingService };
+}
+
+async function claimL1ToL2Message(l1TxHash) {
+  const sdkInit = initSDK();
+  const lineaL1Contract = sdkInit.lineaL1Contract;
+  const lineaL2Contract = sdkInit.lineaL2Contract;
+
+  /**
+   * Query the transaction status on L2 via messageHash.
+   */
+  const message = (await lineaL1Contract.getMessagesByTransactionHash(l1TxHash)).pop();
+
+  // Waiting for the official Linea bridge to forward the message to L2
+  // And manually claim the message on L2
+  /*eslint no-constant-condition: ["error", { "checkLoops": false }]*/
+  while (true) {
+    const messageStatus = await lineaL2Contract.getMessageStatus(message.messageHash);
+    console.log(`The message status: ${messageStatus}`);
+    if (messageStatus === OnChainMessageStatus.CLAIMABLE) {
+      const tx = await lineaL2Contract.claim(message);
+      console.log(`The tx hash: ${tx.hash}`);
+      await tx.wait();
+      console.log(`The tx confirmed`);
+      break;
+    }
+    await sleep(60 * 1000);
+  }
+}
+
+async function claimL2ToL1Message(l2TxHash) {
+  const sdkInit = initSDK();
+  const lineaL1ClaimingService = sdkInit.lineaL1ClaimingService;
+  const lineaL2Contract = sdkInit.lineaL2Contract;
+
+  /**
+   * Query the message informations on L2 via txHash.
+   */
+  const message = (await lineaL2Contract.getMessagesByTransactionHash(l2TxHash)).pop();
+  console.log(`The messageSender: ${message.messageSender}`);
+  console.log(`The destination: ${message.destination}`);
+  console.log(`The fee: ${message.fee}`);
+  console.log(`The value: ${message.value}`);
+  console.log(`The messageNonce: ${message.messageNonce}`);
+  console.log(`The calldata: ${message.calldata}`);
+  console.log(`The messageHash: ${message.messageHash}`);
+
+  // Waiting for the official Linea bridge to forward the message to L1
+  // And manually claim the message on L1
+  /*eslint no-constant-condition: ["error", { "checkLoops": false }]*/
+  while (true) {
+    /**
+     * Query the transaction status on L1 via messageHash.
+     */
+    const messageStatus = await lineaL1ClaimingService.getMessageStatus(message.messageHash);
+    console.log(`The message status: ${messageStatus}`);
+    if (messageStatus === OnChainMessageStatus.CLAIMABLE) {
+      const tx = await lineaL1ClaimingService.claimMessage(message);
+      console.log(`The tx hash: ${tx.hash}`);
+      await tx.wait();
+      console.log(`The tx confirmed`);
+      break;
+    }
+    await sleep(60 * 1000 * 30);
+  }
+}
+
+function sleep(ms) {
+  return new Promise(resolve => setTimeout(resolve, ms));
+}
+
+module.exports = {
+  claimL1ToL2Message,
+  claimL2ToL1Message,
+};
diff --git a/examples/linea/scripts/governance.js b/examples/linea/scripts/governance.js
new file mode 100644
index 0000000..56f0165
--- /dev/null
+++ b/examples/linea/scripts/governance.js
@@ -0,0 +1,86 @@
+const { JsonRpcProvider, formatEther } = require('ethers');
+const { readDeployContract } = require('../../../script/utils');
+const logName = require('../../../script/deploy_log_name');
+const { task, types } = require('hardhat/config');
+const { zkLinkConfig } = require('../../../script/zklink_config');
+const { claimL1ToL2Message } = require('./common');
+
+require('dotenv').config();
+
+task('encodeL1ToL2Calldata', 'Encode call data for l1 to l2')
+  .addParam('to', 'The l2 target address', undefined, types.string)
+  .addParam('l2CallData', 'The l2 call data to target address', undefined, types.string)
+  .addParam('l2CallValue', 'The l2 call value to target address', undefined, types.int)
+  .setAction(async (taskArgs, hre) => {
+    const l2ToContractAddress = taskArgs.to;
+    const l2CallData = taskArgs.l2CallData;
+    const l2CallValue = BigInt(taskArgs.l2CallValue);
+    console.log(`The l2 target contract address: ${l2ToContractAddress}`);
+    console.log(`The l2 call data to target address: ${l2CallData}`);
+    console.log(`The l2 call value to target address: ${l2CallValue}`);
+
+    const l2Provider = new JsonRpcProvider(process.env.L2RPC);
+    const lineaName = process.env.LINEA;
+
+    const l2ChainInfo = zkLinkConfig[lineaName];
+    if (l2ChainInfo === undefined) {
+      console.log('The l2 chain info not exist');
+      return;
+    }
+    const messageServiceAddr = l2ChainInfo['l1Gateway']['constructParams'][0];
+    if (messageServiceAddr === undefined) {
+      console.log('The arbitrum inbox address not exist');
+      return;
+    }
+    console.log(`The linea l1 message service address: ${messageServiceAddr}`);
+
+    const lineaL2GovernanceAddr = readDeployContract(
+      logName.DEPLOY_LINEA_L2_GOVERNANCE_LOG_PREFIX,
+      logName.DEPLOY_LOG_GOVERNANCE,
+      lineaName,
+    );
+    if (lineaL2GovernanceAddr === undefined) {
+      console.log('linea l2 governance address not exist');
+      return;
+    }
+    console.log(`The linea l2 governance address: ${lineaL2GovernanceAddr}`);
+    if (l2CallValue > 0) {
+      const l2GovernanceBalance = await l2Provider.getBalance(lineaL2GovernanceAddr);
+      console.log(`The linea l2 governance balance: ${formatEther(l2GovernanceBalance)} ETH`);
+      if (l2GovernanceBalance < l2CallValue) {
+        console.log(`Please transfer some eth to linea l2 governance`);
+        return;
+      }
+    }
+
+    const call = {
+      target: l2ToContractAddress,
+      value: l2CallValue,
+      data: l2CallData,
+    };
+    const lineaL2Governance = await hre.ethers.getContractAt(
+      'LineaL2Governance',
+      '0x0000000000000000000000000000000000000000',
+    );
+    const lineaL2GovernanceCallData = lineaL2Governance.interface.encodeFunctionData('execute', [[call]]);
+    const lineaMessageService = await hre.ethers.getContractAt(
+      'IMessageService',
+      '0x0000000000000000000000000000000000000000',
+    );
+    const l1ToL2Calldata = lineaMessageService.interface.encodeFunctionData('sendMessage', [
+      lineaL2GovernanceAddr,
+      0,
+      lineaL2GovernanceCallData,
+    ]);
+    console.log(`The l1 to l2 call target: ${messageServiceAddr}`);
+    console.log(`The l1 to l2 call data: ${l1ToL2Calldata}`);
+    console.log(`The l1 to l2 call value: 0`);
+  });
+
+task('checkL1TxStatus', 'Check the l1 tx status')
+  .addParam('l1TxHash', 'The l1 tx hash', undefined, types.string)
+  .setAction(async taskArgs => {
+    const l1TxHash = taskArgs.l1TxHash;
+    console.log(`The l1 tx hash: ${l1TxHash}`);
+    await claimL1ToL2Message(l1TxHash);
+  });
diff --git a/examples/linea/scripts/setSecondaryGateway.js b/examples/linea/scripts/setSecondaryGateway.js
index 18a60fa..31b77d8 100644
--- a/examples/linea/scripts/setSecondaryGateway.js
+++ b/examples/linea/scripts/setSecondaryGateway.js
@@ -1,15 +1,11 @@
 const { JsonRpcProvider, Wallet, formatEther } = require('ethers');
-const { LineaSDK, OnChainMessageStatus } = require('@consensys/linea-sdk');
 const { readDeployLogField, readDeployContract, getLogName } = require('../../../script/utils');
 const logName = require('../../../script/deploy_log_name');
 const { task, types } = require('hardhat/config');
+const { claimL1ToL2Message } = require('./common');
 
 require('dotenv').config();
 
-function sleep(ms) {
-  return new Promise(resolve => setTimeout(resolve, ms));
-}
-
 task('setSecondaryGateway', 'Set secondary gateway')
   .addOptionalParam(
     'arbitrator',
@@ -39,16 +35,6 @@ task('setSecondaryGateway', 'Set secondary gateway')
     const l2Provider = new JsonRpcProvider(process.env.L2RPC);
     const l1Wallet = new Wallet(walletPrivateKey, l1Provider);
     const l2Wallet = new Wallet(walletPrivateKey, l2Provider);
-    const sdk = new LineaSDK({
-      l1RpcUrl: process.env.L1RPC ?? '',
-      l2RpcUrl: process.env.L2RPC ?? '',
-      l1SignerPrivateKey: walletPrivateKey ?? '',
-      l2SignerPrivateKey: walletPrivateKey ?? '',
-      network: ethereumName === 'GOERLI' ? 'linea-goerli' : 'linea-mainnet',
-      mode: 'read-write',
-    });
-    const lineaL1Contract = sdk.getL1Contract();
-    const lineaL2Contract = sdk.getL2Contract();
 
     const l1WalletAddress = await l1Wallet.getAddress();
     const l1WalletBalance = formatEther(await l1Provider.getBalance(l1WalletAddress));
@@ -87,31 +73,10 @@ task('setSecondaryGateway', 'Set secondary gateway')
     const arbitrator = await hre.ethers.getContractAt('Arbitrator', arbitratorAddr, l1Wallet);
     const adapterParams = '0x';
     let tx = await arbitrator.setSecondaryChainGateway(l1GatewayAddr, active, adapterParams);
-    console.log(`The tx hash: ${tx.hash}`);
+    console.log(`The l1 tx hash: ${tx.hash}`);
     await tx.wait();
-    console.log(`The tx confirmed`);
-
-    /**
-     * Query the transaction status on L2 via messageHash.
-     */
-    const message = (await lineaL1Contract.getMessagesByTransactionHash(tx.hash)).pop();
-
-    // Waiting for the official Linea bridge to forward the message to L2
-    // And manually claim the message on L2
-    /*eslint no-constant-condition: ["error", { "checkLoops": false }]*/
-    while (true) {
-      const messageStatus = await lineaL2Contract.getMessageStatus(message.messageHash);
-      console.log(`The message status: ${messageStatus}`);
-      if (messageStatus === OnChainMessageStatus.CLAIMABLE) {
-        const tx = await lineaL2Contract.claim(message);
-        console.log(`The tx hash: ${tx.hash}`);
-        await tx.wait();
-        console.log(`The tx confirmed`);
-        break;
-      }
-      await sleep(60 * 1000);
-    }
-    console.log('Done');
+    console.log(`The l1 tx confirmed`);
+    await claimL1ToL2Message(tx.hash);
   });
 
 task('encodeSetSecondaryGateway', 'Get the calldata of set secondary gateway')
diff --git a/examples/linea/scripts/setValidator.js b/examples/linea/scripts/setValidator.js
index f02b8bd..aa31f4c 100644
--- a/examples/linea/scripts/setValidator.js
+++ b/examples/linea/scripts/setValidator.js
@@ -1,15 +1,11 @@
 const { JsonRpcProvider, Wallet, formatEther } = require('ethers');
-const { LineaSDK, OnChainMessageStatus } = require('@consensys/linea-sdk');
 const { readDeployContract, getLogName } = require('../../../script/utils');
 const logName = require('../../../script/deploy_log_name');
 const { task, types } = require('hardhat/config');
+const { claimL1ToL2Message } = require('./common');
 
 require('dotenv').config();
 
-function sleep(ms) {
-  return new Promise(resolve => setTimeout(resolve, ms));
-}
-
 task('setValidator', 'Set validator for zkLink')
   .addParam('validator', 'Validator Address', undefined, types.string)
   .addOptionalParam('active', 'Whether to activate the validator address', true, types.boolean)
@@ -25,16 +21,6 @@ task('setValidator', 'Set validator for zkLink')
     const lineaName = process.env.LINEA;
     const l1Wallet = new Wallet(walletPrivateKey, l1Provider);
     const l2Wallet = new Wallet(walletPrivateKey, l2Provider);
-    const sdk = new LineaSDK({
-      l1RpcUrl: process.env.L1RPC ?? '',
-      l2RpcUrl: process.env.L2RPC ?? '',
-      l1SignerPrivateKey: walletPrivateKey ?? '',
-      l2SignerPrivateKey: walletPrivateKey ?? '',
-      network: ethereumName === 'GOERLI' ? 'linea-goerli' : 'linea-mainnet',
-      mode: 'read-write',
-    });
-    const lineaL1Contract = sdk.getL1Contract();
-    const lineaL2Contract = sdk.getL2Contract();
 
     const l1WalletAddress = await l1Wallet.getAddress();
     const l1WalletBalance = formatEther(await l1Provider.getBalance(l1WalletAddress));
@@ -77,29 +63,8 @@ task('setValidator', 'Set validator for zkLink')
     const arbitrator = await hre.ethers.getContractAt('Arbitrator', arbitratorAddr, l1Wallet);
     const adapterParams = '0x';
     let tx = await arbitrator.setValidator(lineaL1GatewayAddr, validatorAddr, isActive, adapterParams);
-    console.log(`The tx hash: ${tx.hash}`);
+    console.log(`The l1 tx hash: ${tx.hash}`);
     await tx.wait();
-    console.log(`The tx confirmed`);
-
-    /**
-     * Query the transaction status on L2 via messageHash.
-     */
-    const message = (await lineaL1Contract.getMessagesByTransactionHash(tx.hash)).pop();
-
-    // Waiting for the official Linea bridge to forward the message to L2
-    // And manually claim the message on L2
-    /*eslint no-constant-condition: ["error", { "checkLoops": false }]*/
-    while (true) {
-      const messageStatus = await lineaL2Contract.getMessageStatus(message.messageHash);
-      console.log(`The message status: ${messageStatus}`);
-      if (messageStatus === OnChainMessageStatus.CLAIMABLE) {
-        const tx = await lineaL2Contract.claim(message);
-        console.log(`The tx hash: ${tx.hash}`);
-        await tx.wait();
-        console.log(`The tx confirmed`);
-        break;
-      }
-      await sleep(60 * 1000);
-    }
-    console.log('Done');
+    console.log(`The l1 tx confirmed`);
+    await claimL1ToL2Message(tx.hash);
   });
diff --git a/examples/linea/scripts/syncBatchRoot.js b/examples/linea/scripts/syncBatchRoot.js
index e1f118f..c56523e 100644
--- a/examples/linea/scripts/syncBatchRoot.js
+++ b/examples/linea/scripts/syncBatchRoot.js
@@ -1,15 +1,11 @@
 const { JsonRpcProvider, Wallet, formatEther, keccak256, toUtf8Bytes } = require('ethers');
-const { LineaSDK, OnChainMessageStatus } = require('@consensys/linea-sdk');
 const { readDeployContract, getLogName } = require('../../../script/utils');
 const logName = require('../../../script/deploy_log_name');
 const { task } = require('hardhat/config');
+const { claimL1ToL2Message } = require('./common');
 
 require('dotenv').config();
 
-function sleep(ms) {
-  return new Promise(resolve => setTimeout(resolve, ms));
-}
-
 task('syncBatchRoot', 'Forward message to L2').setAction(async (taskArgs, hre) => {
   const walletPrivateKey = process.env.DEVNET_PRIVKEY;
   const l1Provider = new JsonRpcProvider(process.env.L1RPC);
@@ -18,16 +14,6 @@ task('syncBatchRoot', 'Forward message to L2').setAction(async (taskArgs, hre) =
   const lineaName = process.env.LINEA;
   const l1Wallet = new Wallet(walletPrivateKey, l1Provider);
   const l2Wallet = new Wallet(walletPrivateKey, l2Provider);
-  const sdk = new LineaSDK({
-    l1RpcUrl: process.env.L1RPC ?? '',
-    l2RpcUrl: process.env.L2RPC ?? '',
-    l1SignerPrivateKey: walletPrivateKey ?? '',
-    l2SignerPrivateKey: walletPrivateKey ?? '',
-    network: ethereumName === 'GOERLI' ? 'linea-goerli' : 'linea-mainnet',
-    mode: 'read-write',
-  });
-  const lineaL1Contract = sdk.getL1Contract();
-  const lineaL2Contract = sdk.getL2Contract();
 
   const l1WalletAddress = await l1Wallet.getAddress();
   const l1WalletBalance = formatEther(await l1Provider.getBalance(l1WalletAddress));
@@ -87,42 +73,10 @@ task('syncBatchRoot', 'Forward message to L2').setAction(async (taskArgs, hre) =
   const arbitrator = await hre.ethers.getContractAt('DummyArbitrator', arbitratorAddr, l1Wallet);
   const adapterParams = '0x';
   let tx = await arbitrator.forwardMessage(lineaL1GatewayAddr, 0, executeCalldata, adapterParams);
-  console.log(`The tx hash: ${tx.hash}`);
+  console.log(`The l1 tx hash: ${tx.hash}`);
   await tx.wait();
-  console.log(`The tx confirmed`);
-  // const txHash = "0x60eda85e11f963c5317559999bd7a54ae4aa1086e8eff0e306523f9f3947bd7c";
-
-  /**
-   * Query the message informations on L1 via txHash.
-   */
-  const message = (await lineaL1Contract.getMessagesByTransactionHash(tx.hash)).pop();
-  console.log(`The messageSender: ${message.messageSender}`);
-  console.log(`The destination: ${message.destination}`);
-  console.log(`The fee: ${message.fee}`);
-  console.log(`The value: ${message.value}`);
-  console.log(`The messageNonce: ${message.messageNonce}`);
-  console.log(`The calldata: ${message.calldata}`);
-  console.log(`The messageHash: ${message.messageHash}`);
-
-  // Waiting for the official Linea bridge to forward the message to L2
-  // And manually claim the message on L2
-  /*eslint no-constant-condition: ["error", { "checkLoops": false }]*/
-  while (true) {
-    /**
-     * Query the transaction status on L2 via messageHash.
-     */
-    const messageStatus = await lineaL2Contract.getMessageStatus(message.messageHash);
-    console.log(`The message status: ${messageStatus}`);
-    if (messageStatus === OnChainMessageStatus.CLAIMABLE) {
-      const tx = await lineaL2Contract.claim(message);
-      console.log(`The tx hash: ${tx.hash}`);
-      await tx.wait();
-      console.log(`The tx confirmed`);
-      break;
-    }
-    await sleep(60 * 1000);
-  }
-  console.log('Done');
+  console.log(`The l1 tx confirmed`);
+  await claimL1ToL2Message(tx.hash);
 
   // Example txs:
   // https://goerli.etherscan.io/tx/0x60eda85e11f963c5317559999bd7a54ae4aa1086e8eff0e306523f9f3947bd7c
diff --git a/examples/linea/scripts/syncL2Requests.js b/examples/linea/scripts/syncL2Requests.js
index 1bc5733..dcdd0fa 100644
--- a/examples/linea/scripts/syncL2Requests.js
+++ b/examples/linea/scripts/syncL2Requests.js
@@ -1,15 +1,12 @@
 const { JsonRpcProvider, Wallet, formatEther } = require('ethers');
-const { LineaSDK, OnChainMessageStatus } = require('@consensys/linea-sdk');
+const { L2MessageServiceContract } = require('@consensys/linea-sdk');
 const { readDeployContract } = require('../../../script/utils');
 const logName = require('../../../script/deploy_log_name');
 const { task, types } = require('hardhat/config');
+const { claimL2ToL1Message } = require('./common');
 
 require('dotenv').config();
 
-function sleep(ms) {
-  return new Promise(resolve => setTimeout(resolve, ms));
-}
-
 task('syncL2Requests', 'Send sync point to arbitrator')
   .addParam('txs', 'New sync point', 100, types.int, true)
   .setAction(async (taskArgs, hre) => {
@@ -19,20 +16,9 @@ task('syncL2Requests', 'Send sync point to arbitrator')
     const walletPrivateKey = process.env.DEVNET_PRIVKEY;
     const l1Provider = new JsonRpcProvider(process.env.L1RPC);
     const l2Provider = new JsonRpcProvider(process.env.L2RPC);
-    const ethereumName = process.env.ETHEREUM;
     const lineaName = process.env.LINEA;
     const l1Wallet = new Wallet(walletPrivateKey, l1Provider);
     const l2Wallet = new Wallet(walletPrivateKey, l2Provider);
-    const sdk = new LineaSDK({
-      l1RpcUrl: process.env.L1RPC ?? '',
-      l2RpcUrl: process.env.L2RPC ?? '',
-      l1SignerPrivateKey: walletPrivateKey ?? '',
-      l2SignerPrivateKey: walletPrivateKey ?? '',
-      network: ethereumName === 'GOERLI' ? 'linea-goerli' : 'linea-mainnet',
-      mode: 'read-write',
-    });
-    const lineaL2Contract = sdk.getL2Contract();
-    const lineaL1ClaimingService = sdk.getL1ClaimingService();
 
     const l1WalletAddress = await l1Wallet.getAddress();
     const l1WalletBalance = formatEther(await l1Provider.getBalance(l1WalletAddress));
@@ -62,9 +48,10 @@ task('syncL2Requests', 'Send sync point to arbitrator')
     const l2MessageServiceAddress = await l2Gateway.MESSAGE_SERVICE();
 
     // Transfer ETH to ZKLink as a fee
-    const minimumFee = await lineaL2Contract
-      .getContract(l2MessageServiceAddress, lineaL2Contract.signer)
-      .minimumFeeInWei();
+    const minimumFee = await L2MessageServiceContract.getContract(
+      l2MessageServiceAddress,
+      l2Provider,
+    ).minimumFeeInWei();
     console.log(`The minimum fee: ${formatEther(minimumFee.toBigInt())} ether`);
 
     // send tx
@@ -73,41 +60,10 @@ task('syncL2Requests', 'Send sync point to arbitrator')
     let tx = await zkLink.syncL2Requests(txs, {
       value: minimumFee.toBigInt(),
     });
-    console.log(`The tx hash: ${tx.hash}`);
+    console.log(`The l2 tx hash: ${tx.hash}`);
     await tx.wait();
-    console.log(`The tx confirmed`);
-
-    /**
-     * Query the message informations on L2 via txHash.
-     */
-    const message = (await lineaL2Contract.getMessagesByTransactionHash(tx.hash)).pop();
-    console.log(`The messageSender: ${message.messageSender}`);
-    console.log(`The destination: ${message.destination}`);
-    console.log(`The fee: ${message.fee}`);
-    console.log(`The value: ${message.value}`);
-    console.log(`The messageNonce: ${message.messageNonce}`);
-    console.log(`The calldata: ${message.calldata}`);
-    console.log(`The messageHash: ${message.messageHash}`);
-
-    // Waiting for the official Linea bridge to forward the message to L1
-    // And manually claim the message on L1
-    /*eslint no-constant-condition: ["error", { "checkLoops": false }]*/
-    while (true) {
-      /**
-       * Query the transaction status on L1 via messageHash.
-       */
-      const messageStatus = await lineaL1ClaimingService.getMessageStatus(message.messageHash);
-      console.log(`The message status: ${messageStatus}`);
-      if (messageStatus === OnChainMessageStatus.CLAIMABLE) {
-        const tx = await lineaL1ClaimingService.claimMessage(message);
-        console.log(`The tx hash: ${tx.hash}`);
-        await tx.wait();
-        console.log(`The tx confirmed`);
-        break;
-      }
-      await sleep(60 * 1000 * 30);
-    }
-    console.log('Done');
+    console.log(`The l2 tx confirmed`);
+    await claimL2ToL1Message(tx.hash);
 
     // Example txs:
     // https://goerli.lineascan.build/tx/0x71ac2f88392b0045d0dd2e4eb657c875f7b076301b3ddb15e638e5856d7addd1
diff --git a/examples/manta/package-lock.json b/examples/manta/package-lock.json
index d8675b9..3ff4ab4 100644
--- a/examples/manta/package-lock.json
+++ b/examples/manta/package-lock.json
@@ -9,10 +9,11 @@
       "version": "1.0.0",
       "license": "MIT",
       "dependencies": {
+        "@eth-optimism/core-utils": "^0.13.1",
         "dotenv": "^16.4.1"
       },
       "devDependencies": {
-        "@eth-optimism/sdk": "^3.2.0",
+        "@eth-optimism/sdk": "^3.2.3",
         "@nomiclabs/hardhat-ethers": "^2.0.2",
         "ethers": "^5.7.2",
         "hardhat": "^2.9.1"
@@ -67,7 +68,6 @@
       "version": "0.13.1",
       "resolved": "https://registry.npmmirror.com/@eth-optimism/core-utils/-/core-utils-0.13.1.tgz",
       "integrity": "sha512-1FvzbUmCEy9zSKPG1QWg2VfA2Cy90xBA9Wkp11lXXrz91zUPCNCNSRTujXWYIC86ketNsZp7p4njSf6lTycHCw==",
-      "dev": true,
       "hasInstallScript": true,
       "dependencies": {
         "@ethersproject/abi": "^5.7.0",
@@ -87,11 +87,10 @@
       }
     },
     "node_modules/@eth-optimism/sdk": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmmirror.com/@eth-optimism/sdk/-/sdk-3.2.0.tgz",
-      "integrity": "sha512-+ZEO/mDWz3WLzaPVHvgOAK4iN723HmI6sLLr2tmO1/RUoCHVfWMUDwuiikrA49cAsdsjMxCV9+0XNZ8btD2JUg==",
+      "version": "3.2.3",
+      "resolved": "https://registry.npmjs.org/@eth-optimism/sdk/-/sdk-3.2.3.tgz",
+      "integrity": "sha512-e3XQTbbU+HTzsEv/VIsJpZifK6YZVlzEtF6tj/Vz/VIEDCjZk5JPcnCQOMVcs9ICI4EJyyur+y/+RU7fPa6qtg==",
       "dev": true,
-      "hasInstallScript": true,
       "dependencies": {
         "@eth-optimism/contracts": "0.6.0",
         "@eth-optimism/contracts-bedrock": "0.17.1",
@@ -99,7 +98,7 @@
         "lodash": "^4.17.21",
         "merkletreejs": "^0.3.11",
         "rlp": "^2.2.7",
-        "semver": "^7.5.4"
+        "semver": "^7.6.0"
       },
       "peerDependencies": {
         "ethers": "^5"
@@ -177,7 +176,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/abi/-/abi-5.7.0.tgz",
       "integrity": "sha512-351ktp42TiRcYB3H1OP8yajPeAQstMW/yCFokj/AthP9bLHzQFPlOrxOcwYEDkUAICmOHljvN4K39OMTMUa9RA==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/address": "^5.7.0",
         "@ethersproject/bignumber": "^5.7.0",
@@ -194,7 +192,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/abstract-provider/-/abstract-provider-5.7.0.tgz",
       "integrity": "sha512-R41c9UkchKCpAqStMYUpdunjo3pkEvZC3FAwZn5S5MGbXoMQOHIdHItezTETxAO5bevtMApSyEhn9+CHcDsWBw==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bignumber": "^5.7.0",
         "@ethersproject/bytes": "^5.7.0",
@@ -209,7 +206,6 @@
       "version": "5.7.0",
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@@ -2585,7 +2541,6 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmmirror.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz",
       "integrity": "sha512-Tti3gMqLdZfhOQY1Mzf/AanLiqh1WTiJgEj26ZuYQ9fbkLomzGchCws4FyrSd4VkpBfiNhaE1On+lOz894jvXg==",
-      "dev": true,
       "dependencies": {
         "hash.js": "^1.0.3",
         "minimalistic-assert": "^1.0.0",
@@ -2661,8 +2616,7 @@
     "node_modules/inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmmirror.com/inherits/-/inherits-2.0.4.tgz",
-      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
-      "dev": true
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
     "node_modules/io-ts": {
       "version": "1.10.4",
@@ -2761,8 +2715,7 @@
     "node_modules/js-sha3": {
       "version": "0.8.0",
       "resolved": "https://registry.npmmirror.com/js-sha3/-/js-sha3-0.8.0.tgz",
-      "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==",
-      "dev": true
+      "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q=="
     },
     "node_modules/js-yaml": {
       "version": "4.1.0",
@@ -2909,7 +2862,6 @@
       "version": "2.3.7",
       "resolved": "https://registry.npmmirror.com/loupe/-/loupe-2.3.7.tgz",
       "integrity": "sha512-zSMINGVYkdpYSOBmLi0D1Uo7JU9nVdQKrHxC8eYlV+9YKK9WePqAlL7lSlorG/U2Fw1w0hTBmaa/jrQ3UbPHtA==",
-      "dev": true,
       "dependencies": {
         "get-func-name": "^2.0.1"
       }
@@ -2974,14 +2926,12 @@
     "node_modules/minimalistic-assert": {
       "version": "1.0.1",
       "resolved": "https://registry.npmmirror.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz",
-      "integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==",
-      "dev": true
+      "integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A=="
     },
     "node_modules/minimalistic-crypto-utils": {
       "version": "1.0.1",
       "resolved": "https://registry.npmmirror.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz",
-      "integrity": "sha512-JIYlbt6g8i5jKfJ3xz7rF0LXmv2TkDxBLUkiBeZ7bAx4GnnNMr8xFpGnOxn6GhTEHx3SjRrZEoU+j04prX1ktg==",
-      "dev": true
+      "integrity": "sha512-JIYlbt6g8i5jKfJ3xz7rF0LXmv2TkDxBLUkiBeZ7bAx4GnnNMr8xFpGnOxn6GhTEHx3SjRrZEoU+j04prX1ktg=="
     },
     "node_modules/minimatch": {
       "version": "3.1.2",
@@ -3216,7 +3166,6 @@
       "version": "2.7.0",
       "resolved": "https://registry.npmmirror.com/node-fetch/-/node-fetch-2.7.0.tgz",
       "integrity": "sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==",
-      "dev": true,
       "dependencies": {
         "whatwg-url": "^5.0.0"
       },
@@ -3369,7 +3318,6 @@
       "version": "1.1.1",
       "resolved": "https://registry.npmmirror.com/pathval/-/pathval-1.1.1.tgz",
       "integrity": "sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==",
-      "dev": true,
       "engines": {
         "node": "*"
       }
@@ -3540,8 +3488,7 @@
     "node_modules/scrypt-js": {
       "version": "3.0.1",
       "resolved": "https://registry.npmmirror.com/scrypt-js/-/scrypt-js-3.0.1.tgz",
-      "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA==",
-      "dev": true
+      "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA=="
     },
     "node_modules/secp256k1": {
       "version": "4.0.3",
@@ -3833,8 +3780,7 @@
     "node_modules/tr46": {
       "version": "0.0.3",
       "resolved": "https://registry.npmmirror.com/tr46/-/tr46-0.0.3.tgz",
-      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
-      "dev": true
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw=="
     },
     "node_modules/treeify": {
       "version": "1.1.0",
@@ -3873,7 +3819,6 @@
       "version": "4.0.8",
       "resolved": "https://registry.npmmirror.com/type-detect/-/type-detect-4.0.8.tgz",
       "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
-      "dev": true,
       "engines": {
         "node": ">=4"
       }
@@ -4008,14 +3953,12 @@
     "node_modules/webidl-conversions": {
       "version": "3.0.1",
       "resolved": "https://registry.npmmirror.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
-      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
-      "dev": true
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="
     },
     "node_modules/whatwg-url": {
       "version": "5.0.0",
       "resolved": "https://registry.npmmirror.com/whatwg-url/-/whatwg-url-5.0.0.tgz",
       "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
-      "dev": true,
       "dependencies": {
         "tr46": "~0.0.3",
         "webidl-conversions": "^3.0.0"
@@ -4093,7 +4036,6 @@
       "version": "7.4.6",
       "resolved": "https://registry.npmmirror.com/ws/-/ws-7.4.6.tgz",
       "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
-      "dev": true,
       "engines": {
         "node": ">=8.3.0"
       },
diff --git a/examples/manta/package.json b/examples/manta/package.json
index 8069eb4..e576784 100644
--- a/examples/manta/package.json
+++ b/examples/manta/package.json
@@ -4,12 +4,13 @@
   "version": "1.0.0",
   "scripts": {},
   "devDependencies": {
-    "@eth-optimism/sdk": "^3.2.0",
+    "@eth-optimism/sdk": "^3.2.3",
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "ethers": "^5.7.2",
     "hardhat": "^2.9.1"
   },
   "dependencies": {
+    "@eth-optimism/core-utils": "^0.13.1",
     "dotenv": "^16.4.1"
   }
 }
diff --git a/examples/manta/scripts/mantaTasks.js b/examples/manta/scripts/mantaTasks.js
index 2364262..8304872 100644
--- a/examples/manta/scripts/mantaTasks.js
+++ b/examples/manta/scripts/mantaTasks.js
@@ -7,7 +7,9 @@ const {
   changeFeeParams,
   encodeSetValidator,
   encodeChangeFeeParams,
-} = require('../../utils/opstack-utils');
+  encodeL1ToL2Calldata,
+  checkL1TxStatus,
+} = require('../../optimism/scripts/opstack-utils');
 const { L1_MAINNET_CONTRACTS, L1_TESTNET_CONTRACTS } = require('./constants');
 const { task, types } = require('hardhat/config');
 require('dotenv').config();
@@ -39,7 +41,7 @@ async function initMessenger() {
 task('syncBatchRoot', 'Forward message to L2').setAction(async (_, hre) => {
   const { messenger, ethereumName, mantaName } = await initMessenger();
 
-  const message = await syncBatchRoot(hre, messenger, ethereumName, mantaName, 'manta');
+  const message = await syncBatchRoot(hre, messenger, ethereumName, mantaName);
   // Waiting for the official manta bridge to forward the message to L2
   const rec = await messenger.waitForMessageReceipt(message);
   console.log(`The tx receipt: ${JSON.stringify(rec, null, 2)}`);
@@ -58,7 +60,7 @@ task('syncL2Requests', 'Send sync point to arbitrator')
 
     const { messenger, ethereumName, mantaName } = await initMessenger();
 
-    await syncL2Requests(hre, messenger, ethereumName, mantaName, 'manta', txs);
+    await syncL2Requests(hre, messenger, ethereumName, mantaName, txs);
 
     console.log('Done!');
 
@@ -70,7 +72,7 @@ task('syncL2Requests', 'Send sync point to arbitrator')
 task('changeFeeParams', 'Change fee params for zkLink').setAction(async (_, hre) => {
   const { messenger, ethereumName, mantaName } = await initMessenger();
 
-  const message = await changeFeeParams(hre, messenger, ethereumName, mantaName, 'manta');
+  const message = await changeFeeParams(hre, messenger, ethereumName, mantaName);
 
   // Waiting for the official manta bridge to forward the message to L2
   const rec = await messenger.waitForMessageReceipt(message);
@@ -88,7 +90,7 @@ task('setValidator', 'Set validator for zkLink')
 
     const { messenger, ethereumName, mantaName } = await initMessenger();
 
-    const message = await setValidator(hre, messenger, ethereumName, mantaName, 'manta', validatorAddr, isActive);
+    const message = await setValidator(hre, messenger, ethereumName, mantaName, validatorAddr, isActive);
 
     // Waiting for the official manta bridge to forward the message to L2
     const rec = await messenger.waitForMessageReceipt(message);
@@ -106,11 +108,38 @@ task('encodeSetValidator', 'Get the calldata of set validator for zkLink')
 
     const { messenger, ethereumName, mantaName } = await initMessenger();
 
-    await encodeSetValidator(hre, messenger, ethereumName, mantaName, 'manta', validatorAddr, isActive);
+    await encodeSetValidator(hre, messenger, ethereumName, mantaName, validatorAddr, isActive);
   });
 
 task('encodeChangeFeeParams', 'Get the calldata of changing fee params for zkLink').setAction(async (_, hre) => {
   const { messenger, ethereumName, mantaName } = await initMessenger();
 
-  await encodeChangeFeeParams(hre, messenger, ethereumName, mantaName, 'manta');
+  await encodeChangeFeeParams(hre, messenger, ethereumName, mantaName);
 });
+
+task('encodeL1ToL2Calldata', 'Encode call data for l1 to l2')
+  .addParam('to', 'The l2 target address', undefined, types.string)
+  .addParam('l2CallData', 'The l2 call data to target address', undefined, types.string)
+  .addParam('l2CallValue', 'The l2 call value to target address', undefined, types.int)
+  .setAction(async (taskArgs, hre) => {
+    const l2ToContractAddress = taskArgs.to;
+    const l2CallData = taskArgs.l2CallData;
+    const l2CallValue = taskArgs.l2CallValue;
+    console.log(`The l2 target contract address: ${l2ToContractAddress}`);
+    console.log(`The l2 call data to target address: ${l2CallData}`);
+    console.log(`The l2 call value to target address: ${l2CallValue}`);
+
+    const { messenger, ethereumName, mantaName } = await initMessenger();
+
+    await encodeL1ToL2Calldata(hre, messenger, ethereumName, mantaName, l2ToContractAddress, l2CallData, l2CallValue);
+  });
+
+task('checkL1TxStatus', 'Check the l1 tx status')
+  .addParam('l1TxHash', 'The l1 tx hash', undefined, types.string)
+  .setAction(async (taskArgs, hre) => {
+    const l1TxHash = taskArgs.l1TxHash;
+    console.log(`The l1 tx hash: ${l1TxHash}`);
+
+    const { messenger, ethereumName, mantaName } = await initMessenger();
+    await checkL1TxStatus(hre, messenger, ethereumName, mantaName, l1TxHash);
+  });
diff --git a/examples/mantle/hardhat.config.js b/examples/mantle/hardhat.config.js
index ef15cb5..cbac017 100644
--- a/examples/mantle/hardhat.config.js
+++ b/examples/mantle/hardhat.config.js
@@ -3,6 +3,7 @@ require('./scripts/syncL2Requests');
 require('./scripts/syncBatchRoot');
 require('./scripts/setValidator');
 require('./scripts/changeFeeParams');
+require('./scripts/governance');
 
 const BaseConfig = require('../../hardhat.base.config');
 
diff --git a/examples/mantle/package-lock.json b/examples/mantle/package-lock.json
index ab462ef..ec9c79d 100644
--- a/examples/mantle/package-lock.json
+++ b/examples/mantle/package-lock.json
@@ -12,7 +12,7 @@
         "dotenv": "^16.4.1"
       },
       "devDependencies": {
-        "@mantleio/sdk": "^1.0.0",
+        "@mantleio/sdk": "^1.0.3",
         "@nomiclabs/hardhat-ethers": "^2.0.2",
         "ethers": "^5.7.2",
         "hardhat": "^2.9.1"
@@ -547,9 +547,9 @@
       }
     },
     "node_modules/@mantleio/sdk": {
-      "version": "1.0.0",
-      "resolved": "https://registry.npmmirror.com/@mantleio/sdk/-/sdk-1.0.0.tgz",
-      "integrity": "sha512-G81lpOLpf2kqRvckW6FV9g6krrzK7CoCHIrUAsMu4BntxuvbyJlMz8TnmmnaXdpHSIfyeOPuRRsccdTWlBSZdQ==",
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/@mantleio/sdk/-/sdk-1.0.3.tgz",
+      "integrity": "sha512-66ucAVrPplGnZ+otsxGzuviuKVPzmLCw8pczrOzjDTeVAF9ab4BLWbovghwy1u9titzbnQ8PhYMkLCkhFYomsw==",
       "dev": true,
       "dependencies": {
         "@mantleio/contracts": "0.3.0",
diff --git a/examples/mantle/package.json b/examples/mantle/package.json
index aef2c13..5bb7028 100644
--- a/examples/mantle/package.json
+++ b/examples/mantle/package.json
@@ -4,7 +4,7 @@
   "version": "1.0.0",
   "scripts": {},
   "devDependencies": {
-    "@mantleio/sdk": "^1.0.0",
+    "@mantleio/sdk": "^1.0.3",
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "ethers": "^5.7.2",
     "hardhat": "^2.9.1"
diff --git a/examples/mantle/scripts/constants.js b/examples/mantle/scripts/constants.js
new file mode 100644
index 0000000..5f3f268
--- /dev/null
+++ b/examples/mantle/scripts/constants.js
@@ -0,0 +1,28 @@
+// Testnet
+const L1_TESTNET_CONTRACTS = {
+  StateCommitmentChain: '0x0000000000000000000000000000000000000000',
+  BondManager: '0x0000000000000000000000000000000000000000',
+  CanonicalTransactionChain: '0x0000000000000000000000000000000000000000',
+  AddressManager: '0x0000000000000000000000000000000000000000',
+  L1CrossDomainMessenger: '0x536beD6283500BF93BA4428c18a7A629425a5c7e',
+  L1StandardBridge: '0xf26e9932106E6477a4Ae15dA0eDDCdB985065a1a',
+  OptimismPortal: '0xB3db4bd5bc225930eD674494F9A4F6a11B8EFBc8',
+  L2OutputOracle: '0x4121dc8e48Bc6196795eb4867772A5e259fecE07',
+};
+
+// Mainnet
+const L1_MAINNET_CONTRACTS = {
+  StateCommitmentChain: '0x0000000000000000000000000000000000000000',
+  BondManager: '0x0000000000000000000000000000000000000000',
+  CanonicalTransactionChain: '0x0000000000000000000000000000000000000000',
+  AddressManager: '0x0000000000000000000000000000000000000000',
+  L1CrossDomainMessenger: '0xb8DE82551fA4BA3bE4B3d9097763EDBeED541308',
+  L1StandardBridge: '0xb4133552BA49dFb60DA6eb5cA0102d0f94ce071f',
+  OptimismPortal: '0xc54cb22944F2bE476E02dECfCD7e3E7d3e15A8Fb',
+  L2OutputOracle: '0x31d543e7BE1dA6eFDc2206Ef7822879045B9f481',
+};
+
+module.exports = {
+  L1_TESTNET_CONTRACTS,
+  L1_MAINNET_CONTRACTS,
+};
diff --git a/examples/mantle/scripts/governance.js b/examples/mantle/scripts/governance.js
new file mode 100644
index 0000000..3bf27c8
--- /dev/null
+++ b/examples/mantle/scripts/governance.js
@@ -0,0 +1,149 @@
+const mantle = require('@mantleio/sdk');
+const { DepositTx, applyL1ToL2Alias } = require('@mantleio/core-utils');
+const { readDeployContract } = require('../../../script/utils');
+const logName = require('../../../script/deploy_log_name');
+const { task, types } = require('hardhat/config');
+const { zkLinkConfig } = require('../../../script/zklink_config');
+const ethers = require('ethers');
+const { L1_TESTNET_CONTRACTS, L1_MAINNET_CONTRACTS } = require('./constants');
+const { BigNumber, Contract } = require('ethers');
+
+require('dotenv').config();
+
+async function initMessenger() {
+  const walletPrivateKey = process.env.DEVNET_PRIVKEY;
+  const l1Provider = new ethers.providers.StaticJsonRpcProvider(process.env.L1RPC);
+  const l2Provider = new ethers.providers.StaticJsonRpcProvider(process.env.L2RPC);
+  const ethereumName = process.env.ETHEREUM;
+  const mantleName = process.env.MANTLE;
+  const l1Wallet = new ethers.Wallet(walletPrivateKey, l1Provider);
+  const l2Wallet = new ethers.Wallet(walletPrivateKey, l2Provider);
+  // https://docs-v2.mantle.xyz/intro/system-components/on-chain-system
+  const messengerL1Contracts = ethereumName !== 'ETHEREUM' ? L1_TESTNET_CONTRACTS : L1_MAINNET_CONTRACTS;
+  const messenger = new mantle.CrossChainMessenger({
+    l1ChainId: await l1Wallet.getChainId(),
+    l2ChainId: await l2Wallet.getChainId(),
+    l1SignerOrProvider: l1Wallet,
+    l2SignerOrProvider: l2Wallet,
+    bedrock: true,
+    contracts: {
+      l1: messengerL1Contracts,
+    },
+  });
+
+  return { messenger, ethereumName, mantleName };
+}
+
+task('encodeL1ToL2Calldata', 'Encode call data for l1 to l2')
+  .addParam('to', 'The l2 target address', undefined, types.string)
+  .addParam('l2CallData', 'The l2 call data to target address', undefined, types.string)
+  .addParam('l2CallValue', 'The l2 call value to target address', undefined, types.int)
+  .setAction(async taskArgs => {
+    const l2ToContractAddress = taskArgs.to;
+    const l2CallData = taskArgs.l2CallData;
+    const l2CallValue = taskArgs.l2CallValue;
+    console.log(`The l2 target contract address: ${l2ToContractAddress}`);
+    console.log(`The l2 call data to target address: ${l2CallData}`);
+    console.log(`The l2 call value to target address: ${l2CallValue}`);
+
+    const { messenger, ethereumName, mantleName: opChainName } = await initMessenger();
+
+    const l2ChainInfo = zkLinkConfig[opChainName];
+    if (l2ChainInfo === undefined) {
+      console.log('The l2 chain info not exist');
+      return;
+    }
+    const portalContract = messenger.contracts.l1.OptimismPortal;
+    console.log(`The optimism portal address: ${portalContract.address}`);
+
+    const l1GovernanceAddr = readDeployContract(
+      logName.DEPLOY_GOVERNANCE_LOG_PREFIX,
+      logName.DEPLOY_LOG_GOVERNANCE,
+      ethereumName,
+    );
+    if (l1GovernanceAddr === undefined) {
+      console.log('governance address not exist');
+      return;
+    }
+    console.log(`The l1 governance address: ${l1GovernanceAddr}`);
+    const l2GovernanceAddr = applyL1ToL2Alias(l1GovernanceAddr);
+    console.log(`The l2 governance address: ${l2GovernanceAddr}`);
+
+    const l2Provider = messenger.l2Provider;
+    const l2GovernanceBalance = await l2Provider.getBalance(l2GovernanceAddr);
+    console.log(`The l2 governance balance: ${l2GovernanceBalance.toString()}`);
+    if (l2GovernanceBalance.eq(BigNumber.from(0))) {
+      console.log(`Estimate gas will failed with error: insufficient funds for transfer`);
+      console.log(`Please transfer some mnt token to the l2 governance address for estimating gas`);
+      return;
+    }
+    let l2GasLimit = await l2Provider.estimateGas({
+      from: l2GovernanceAddr,
+      to: l2ToContractAddress,
+      data: l2CallData,
+      value: l2CallValue,
+    });
+    const tokenRatioAbi =
+      '[{\n' +
+      '        "inputs": [],\n' +
+      '        "name": "tokenRatio",\n' +
+      '        "outputs": [\n' +
+      '            {\n' +
+      '                "internalType": "uint256",\n' +
+      '                "name": "",\n' +
+      '                "type": "uint256"\n' +
+      '            }\n' +
+      '        ],\n' +
+      '        "stateMutability": "view",\n' +
+      '        "type": "function"\n' +
+      '    }]';
+    const tokenRatioInterface = new ethers.utils.Interface(tokenRatioAbi);
+    const l2GasPriceOracle = new Contract(
+      messenger.contracts.l2.BVM_GasPriceOracle.address,
+      tokenRatioInterface,
+      l2Provider,
+    );
+    const tokenRatio = await l2GasPriceOracle.tokenRatio();
+    console.log(`The eth/mnt token ratio: ${tokenRatio}`);
+    l2GasLimit = l2GasLimit.div(BigNumber.from(tokenRatio));
+    console.log(`The l2 gas limit: ${l2GasLimit.toString()}`);
+    l2GasLimit = l2GasLimit.mul(120).div(100); // Add 20% buffer
+    console.log(`The l2 gas limit: ${l2GasLimit.toString()}`);
+
+    const sendMessageCalldata = portalContract.interface.encodeFunctionData('depositTransaction', [
+      l2CallValue,
+      l2ToContractAddress,
+      l2CallValue,
+      l2GasLimit,
+      false,
+      l2CallData,
+    ]);
+    console.log(`The l1 to l2 call target: ${portalContract.address}`);
+    console.log(`The l1 to l2 call data: ${sendMessageCalldata}`);
+    console.log(`The l1 to l2 call value: ${l2CallValue}`);
+  });
+
+task('checkL1TxStatus', 'Check the l1 tx status')
+  .addParam('l1TxHash', 'The l1 tx hash', undefined, types.string)
+  .setAction(async taskArgs => {
+    const l1TxHash = taskArgs.l1TxHash;
+    console.log(`The l1 tx hash: ${l1TxHash}`);
+
+    const { messenger } = await initMessenger();
+
+    const l1Provider = messenger.l1Provider;
+    const l2Provider = messenger.l2Provider;
+    const l1TxReceipt = await l1Provider.getTransactionReceipt(l1TxHash);
+    const eventFilter =
+      'TransactionDeposited(address indexed from, address indexed to, uint256 indexed version, bytes opaqueData)';
+    const event = (
+      await messenger.contracts.l1.OptimismPortal.queryFilter(
+        eventFilter,
+        l1TxReceipt.blockNumber,
+        l1TxReceipt.blockNumber,
+      )
+    ).pop();
+    const deposit = DepositTx.fromL1Event(event);
+    await l2Provider.waitForTransaction(deposit.hash());
+    console.log(`L1 to l2 tx is executed 🥳`);
+  });
diff --git a/examples/optimism/package-lock.json b/examples/optimism/package-lock.json
index dbca45b..d160717 100644
--- a/examples/optimism/package-lock.json
+++ b/examples/optimism/package-lock.json
@@ -9,10 +9,11 @@
       "version": "1.0.0",
       "license": "MIT",
       "dependencies": {
+        "@eth-optimism/core-utils": "^0.13.1",
         "dotenv": "^16.4.1"
       },
       "devDependencies": {
-        "@eth-optimism/sdk": "^3.2.0",
+        "@eth-optimism/sdk": "^3.2.3",
         "@nomiclabs/hardhat-ethers": "^2.0.2",
         "ethers": "^5.7.2",
         "hardhat": "^2.9.1"
@@ -65,9 +66,8 @@
     },
     "node_modules/@eth-optimism/core-utils": {
       "version": "0.13.1",
-      "resolved": "https://registry.npmmirror.com/@eth-optimism/core-utils/-/core-utils-0.13.1.tgz",
+      "resolved": "https://registry.npmjs.org/@eth-optimism/core-utils/-/core-utils-0.13.1.tgz",
       "integrity": "sha512-1FvzbUmCEy9zSKPG1QWg2VfA2Cy90xBA9Wkp11lXXrz91zUPCNCNSRTujXWYIC86ketNsZp7p4njSf6lTycHCw==",
-      "dev": true,
       "hasInstallScript": true,
       "dependencies": {
         "@ethersproject/abi": "^5.7.0",
@@ -87,11 +87,10 @@
       }
     },
     "node_modules/@eth-optimism/sdk": {
-      "version": "3.2.0",
-      "resolved": "https://registry.npmmirror.com/@eth-optimism/sdk/-/sdk-3.2.0.tgz",
-      "integrity": "sha512-+ZEO/mDWz3WLzaPVHvgOAK4iN723HmI6sLLr2tmO1/RUoCHVfWMUDwuiikrA49cAsdsjMxCV9+0XNZ8btD2JUg==",
+      "version": "3.2.3",
+      "resolved": "https://registry.npmjs.org/@eth-optimism/sdk/-/sdk-3.2.3.tgz",
+      "integrity": "sha512-e3XQTbbU+HTzsEv/VIsJpZifK6YZVlzEtF6tj/Vz/VIEDCjZk5JPcnCQOMVcs9ICI4EJyyur+y/+RU7fPa6qtg==",
       "dev": true,
-      "hasInstallScript": true,
       "dependencies": {
         "@eth-optimism/contracts": "0.6.0",
         "@eth-optimism/contracts-bedrock": "0.17.1",
@@ -99,7 +98,7 @@
         "lodash": "^4.17.21",
         "merkletreejs": "^0.3.11",
         "rlp": "^2.2.7",
-        "semver": "^7.5.4"
+        "semver": "^7.6.0"
       },
       "peerDependencies": {
         "ethers": "^5"
@@ -204,7 +203,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/abi/-/abi-5.7.0.tgz",
       "integrity": "sha512-351ktp42TiRcYB3H1OP8yajPeAQstMW/yCFokj/AthP9bLHzQFPlOrxOcwYEDkUAICmOHljvN4K39OMTMUa9RA==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/address": "^5.7.0",
         "@ethersproject/bignumber": "^5.7.0",
@@ -221,7 +219,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/abstract-provider/-/abstract-provider-5.7.0.tgz",
       "integrity": "sha512-R41c9UkchKCpAqStMYUpdunjo3pkEvZC3FAwZn5S5MGbXoMQOHIdHItezTETxAO5bevtMApSyEhn9+CHcDsWBw==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bignumber": "^5.7.0",
         "@ethersproject/bytes": "^5.7.0",
@@ -236,7 +233,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/abstract-signer/-/abstract-signer-5.7.0.tgz",
       "integrity": "sha512-a16V8bq1/Cz+TGCkE2OPMTOUDLS3grCpdjoJCYNnVBbdYEMSgKrU0+B90s8b6H+ByYTBZN7a3g76jdIJi7UfKQ==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/abstract-provider": "^5.7.0",
         "@ethersproject/bignumber": "^5.7.0",
@@ -249,7 +245,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/address/-/address-5.7.0.tgz",
       "integrity": "sha512-9wYhYt7aghVGo758POM5nqcOMaE168Q6aRLJZwUmiqSrAungkG74gSSeKEIR7ukixesdRZGPgVqme6vmxs1fkA==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bignumber": "^5.7.0",
         "@ethersproject/bytes": "^5.7.0",
@@ -262,7 +257,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/base64/-/base64-5.7.0.tgz",
       "integrity": "sha512-Dr8tcHt2mEbsZr/mwTPIQAf3Ai0Bks/7gTw9dSqk1mQvhW3XvRlmDJr/4n+wg1JmCl16NZue17CDh8xb/vZ0sQ==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0"
       }
@@ -271,7 +265,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/basex/-/basex-5.7.0.tgz",
       "integrity": "sha512-ywlh43GwZLv2Voc2gQVTKBoVQ1mti3d8HK5aMxsfu/nRDnMmNqaSJ3r3n85HBByT8OpoY96SXM1FogC533T4zw==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/properties": "^5.7.0"
@@ -281,7 +274,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/bignumber/-/bignumber-5.7.0.tgz",
       "integrity": "sha512-n1CAdIHRWjSucQO3MC1zPSVgV/6dy/fjL9pMrPP9peL+QxEg9wOsVqwD4+818B6LUEtaXzVHQiuivzRoxPxUGw==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/logger": "^5.7.0",
@@ -292,7 +284,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/bytes/-/bytes-5.7.0.tgz",
       "integrity": "sha512-nsbxwgFXWh9NyYWo+U8atvmMsSdKJprTcICAkvbBffT75qDocbuggBU0SJiVK2MuTrp0q+xvLkTnGMPK1+uA9A==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/logger": "^5.7.0"
       }
@@ -301,7 +292,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/constants/-/constants-5.7.0.tgz",
       "integrity": "sha512-DHI+y5dBNvkpYUMiRQyxRBYBefZkJfo70VUkUAsRjcPs47muV9evftfZ0PJVCXYbAiCgght0DtcF9srFQmIgWA==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bignumber": "^5.7.0"
       }
@@ -310,7 +300,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/contracts/-/contracts-5.7.0.tgz",
       "integrity": "sha512-5GJbzEU3X+d33CdfPhcyS+z8MzsTrBGk/sc+G+59+tPa9yFkl6HQ9D6L0QMgNTA9q8dT0XKxxkyp883XsQvbbg==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/abi": "^5.7.0",
         "@ethersproject/abstract-provider": "^5.7.0",
@@ -328,7 +317,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/hash/-/hash-5.7.0.tgz",
       "integrity": "sha512-qX5WrQfnah1EFnO5zJv1v46a8HW0+E5xuBBDTwMFZLuVTx0tbU2kkx15NqdjxecrLGatQN9FGQKpb1FKdHCt+g==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/abstract-signer": "^5.7.0",
         "@ethersproject/address": "^5.7.0",
@@ -345,7 +333,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/hdnode/-/hdnode-5.7.0.tgz",
       "integrity": "sha512-OmyYo9EENBPPf4ERhR7oj6uAtUAhYGqOnIS+jE5pTXvdKBS99ikzq1E7Iv0ZQZ5V36Lqx1qZLeak0Ra16qpeOg==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/abstract-signer": "^5.7.0",
         "@ethersproject/basex": "^5.7.0",
@@ -365,7 +352,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/json-wallets/-/json-wallets-5.7.0.tgz",
       "integrity": "sha512-8oee5Xgu6+RKgJTkvEMl2wDgSPSAQ9MB/3JYjFV9jlKvcYHUXZC+cQp0njgmxdHkYWn8s6/IqIZYm0YWCjO/0g==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/abstract-signer": "^5.7.0",
         "@ethersproject/address": "^5.7.0",
@@ -386,7 +372,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/keccak256/-/keccak256-5.7.0.tgz",
       "integrity": "sha512-2UcPboeL/iW+pSg6vZ6ydF8tCnv3Iu/8tUmLLzWWGzxWKFFqOBQFLo6uLUv6BDrLgCDfN28RJ/wtByx+jZ4KBg==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "js-sha3": "0.8.0"
@@ -395,14 +380,12 @@
     "node_modules/@ethersproject/logger": {
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/logger/-/logger-5.7.0.tgz",
-      "integrity": "sha512-0odtFdXu/XHtjQXJYA3u9G0G8btm0ND5Cu8M7i5vhEcE8/HmF4Lbdqanwyv4uQTr2tx6b7fQRmgLrsnpQlmnig==",
-      "dev": true
+      "integrity": "sha512-0odtFdXu/XHtjQXJYA3u9G0G8btm0ND5Cu8M7i5vhEcE8/HmF4Lbdqanwyv4uQTr2tx6b7fQRmgLrsnpQlmnig=="
     },
     "node_modules/@ethersproject/networks": {
       "version": "5.7.1",
       "resolved": "https://registry.npmmirror.com/@ethersproject/networks/-/networks-5.7.1.tgz",
       "integrity": "sha512-n/MufjFYv3yFcUyfhnXotyDlNdFb7onmkSy8aQERi2PjNcnWQ66xXxa3XlS8nCcA8aJKJjIIMNJTC7tu80GwpQ==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/logger": "^5.7.0"
       }
@@ -411,7 +394,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/pbkdf2/-/pbkdf2-5.7.0.tgz",
       "integrity": "sha512-oR/dBRZR6GTyaofd86DehG72hY6NpAjhabkhxgr3X2FpJtJuodEl2auADWBZfhDHgVCbu3/H/Ocq2uC6dpNjjw==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/sha2": "^5.7.0"
@@ -421,7 +403,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/properties/-/properties-5.7.0.tgz",
       "integrity": "sha512-J87jy8suntrAkIZtecpxEPxY//szqr1mlBaYlQ0r4RCaiD2hjheqF9s1LVE8vVuJCXisjIP+JgtK/Do54ej4Sw==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/logger": "^5.7.0"
       }
@@ -430,7 +411,6 @@
       "version": "5.7.2",
       "resolved": "https://registry.npmmirror.com/@ethersproject/providers/-/providers-5.7.2.tgz",
       "integrity": "sha512-g34EWZ1WWAVgr4aptGlVBF8mhl3VWjv+8hoAnzStu8Ah22VHBsuGzP17eb6xDVRzw895G4W7vvx60lFFur/1Rg==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/abstract-provider": "^5.7.0",
         "@ethersproject/abstract-signer": "^5.7.0",
@@ -458,7 +438,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/random/-/random-5.7.0.tgz",
       "integrity": "sha512-19WjScqRA8IIeWclFme75VMXSBvi4e6InrUNuaR4s5pTF2qNhcGdCUwdxUVGtDDqC00sDLCO93jPQoDUH4HVmQ==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/logger": "^5.7.0"
@@ -468,7 +447,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/rlp/-/rlp-5.7.0.tgz",
       "integrity": "sha512-rBxzX2vK8mVF7b0Tol44t5Tb8gomOHkj5guL+HhzQ1yBh/ydjGnpw6at+X6Iw0Kp3OzzzkcKp8N9r0W4kYSs9w==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/logger": "^5.7.0"
@@ -478,7 +456,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/sha2/-/sha2-5.7.0.tgz",
       "integrity": "sha512-gKlH42riwb3KYp0reLsFTokByAKoJdgFCwI+CCiX/k+Jm2mbNs6oOaCjYQSlI1+XBVejwH2KrmCbMAT/GnRDQw==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/logger": "^5.7.0",
@@ -489,7 +466,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/signing-key/-/signing-key-5.7.0.tgz",
       "integrity": "sha512-MZdy2nL3wO0u7gkB4nA/pEf8lu1TlFswPNmy8AiYkfKTdO6eXBJyUdmHO/ehm/htHw9K/qF8ujnTyUAD+Ry54Q==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/logger": "^5.7.0",
@@ -503,7 +479,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/solidity/-/solidity-5.7.0.tgz",
       "integrity": "sha512-HmabMd2Dt/raavyaGukF4XxizWKhKQ24DoLtdNbBmNKUOPqwjsKQSdV9GQtj9CBEea9DlzETlVER1gYeXXBGaA==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bignumber": "^5.7.0",
         "@ethersproject/bytes": "^5.7.0",
@@ -517,7 +492,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/strings/-/strings-5.7.0.tgz",
       "integrity": "sha512-/9nu+lj0YswRNSH0NXYqrh8775XNyEdUQAuf3f+SmOrnVewcJ5SBNAjF7lpgehKi4abvNNXyf+HX86czCdJ8Mg==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/constants": "^5.7.0",
@@ -528,7 +502,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/transactions/-/transactions-5.7.0.tgz",
       "integrity": "sha512-kmcNicCp1lp8qanMTC3RIikGgoJ80ztTyvtsFvCYpSCfkjhD0jZ2LOrnbcuxuToLIUYYf+4XwD1rP+B/erDIhQ==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/address": "^5.7.0",
         "@ethersproject/bignumber": "^5.7.0",
@@ -545,7 +518,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/units/-/units-5.7.0.tgz",
       "integrity": "sha512-pD3xLMy3SJu9kG5xDGI7+xhTEmGXlEqXU4OfNapmfnxLVY4EMSSRp7j1k7eezutBPH7RBN/7QPnwR7hzNlEFeg==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bignumber": "^5.7.0",
         "@ethersproject/constants": "^5.7.0",
@@ -556,7 +528,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/wallet/-/wallet-5.7.0.tgz",
       "integrity": "sha512-MhmXlJXEJFBFVKrDLB4ZdDzxcBxQ3rLyCkhNqVu3CDYvR97E+8r01UgrI+TI99Le+aYm/in/0vp86guJuM7FCA==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/abstract-provider": "^5.7.0",
         "@ethersproject/abstract-signer": "^5.7.0",
@@ -579,7 +550,6 @@
       "version": "5.7.1",
       "resolved": "https://registry.npmmirror.com/@ethersproject/web/-/web-5.7.1.tgz",
       "integrity": "sha512-Gueu8lSvyjBWL4cYsWsjh6MtMwM0+H4HvqFPZfB6dV8ctbP9zFAO73VG1cMWae0FLPCtz0peKPpZY8/ugJJX2w==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/base64": "^5.7.0",
         "@ethersproject/bytes": "^5.7.0",
@@ -592,7 +562,6 @@
       "version": "5.7.0",
       "resolved": "https://registry.npmmirror.com/@ethersproject/wordlists/-/wordlists-5.7.0.tgz",
       "integrity": "sha512-S2TFNJNfHWVHNE6cNDjbVlZ6MgE17MIxMbMg2zv3wn+3XSJGosL1m9ZVv3GXCf/2ymSsQ+hRI5IzoMJTG6aoVA==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/bytes": "^5.7.0",
         "@ethersproject/hash": "^5.7.0",
@@ -1478,8 +1447,7 @@
     "node_modules/aes-js": {
       "version": "3.0.0",
       "resolved": "https://registry.npmmirror.com/aes-js/-/aes-js-3.0.0.tgz",
-      "integrity": "sha512-H7wUZRn8WpTq9jocdxQ2c8x2sKo9ZVmzfRE13GiNJXfp7NcKYEdvl3vspKjXox6RIG2VtaRe4JFvxG4rqp2Zuw==",
-      "dev": true
+      "integrity": "sha512-H7wUZRn8WpTq9jocdxQ2c8x2sKo9ZVmzfRE13GiNJXfp7NcKYEdvl3vspKjXox6RIG2VtaRe4JFvxG4rqp2Zuw=="
     },
     "node_modules/agent-base": {
       "version": "6.0.2",
@@ -1580,7 +1548,6 @@
       "version": "1.1.0",
       "resolved": "https://registry.npmmirror.com/assertion-error/-/assertion-error-1.1.0.tgz",
       "integrity": "sha512-jgsaNduz+ndvGyFt3uSuWqvy4lCnIJiovtouQN5JZHOKCS2QuhEdbcQHFhVksz2N2U9hXJo8odG7ETyWlEeuDw==",
-      "dev": true,
       "engines": {
         "node": "*"
       }
@@ -1603,8 +1570,7 @@
     "node_modules/bech32": {
       "version": "1.1.4",
       "resolved": "https://registry.npmmirror.com/bech32/-/bech32-1.1.4.tgz",
-      "integrity": "sha512-s0IrSOzLlbvX7yp4WBfPITzpAU8sqQcpsmwXDiKwrG4r491vwCO/XpejasRNl0piBMe/DvP4Tz0mIS/X1DPJBQ==",
-      "dev": true
+      "integrity": "sha512-s0IrSOzLlbvX7yp4WBfPITzpAU8sqQcpsmwXDiKwrG4r491vwCO/XpejasRNl0piBMe/DvP4Tz0mIS/X1DPJBQ=="
     },
     "node_modules/bigint-crypto-utils": {
       "version": "3.3.0",
@@ -1642,8 +1608,7 @@
     "node_modules/bn.js": {
       "version": "5.2.1",
       "resolved": "https://registry.npmmirror.com/bn.js/-/bn.js-5.2.1.tgz",
-      "integrity": "sha512-eXRvHzWyYPBuB4NBy0cmYQjGitUrtqwbvlzP3G6VFnNRbsZQIxQ10PbKKHt8gZ/HW/D/747aDl+QkDqg3KQLMQ==",
-      "dev": true
+      "integrity": "sha512-eXRvHzWyYPBuB4NBy0cmYQjGitUrtqwbvlzP3G6VFnNRbsZQIxQ10PbKKHt8gZ/HW/D/747aDl+QkDqg3KQLMQ=="
     },
     "node_modules/boxen": {
       "version": "5.1.2",
@@ -1762,8 +1727,7 @@
     "node_modules/brorand": {
       "version": "1.1.0",
       "resolved": "https://registry.npmmirror.com/brorand/-/brorand-1.1.0.tgz",
-      "integrity": "sha512-cKV8tMCEpQs4hK/ik71d6LrPOnpkpGBR0wzxqr68g2m/LB2GxVYQroAjMJZRVM1Y4BCjCKc3vAamxSzOY2RP+w==",
-      "dev": true
+      "integrity": "sha512-cKV8tMCEpQs4hK/ik71d6LrPOnpkpGBR0wzxqr68g2m/LB2GxVYQroAjMJZRVM1Y4BCjCKc3vAamxSzOY2RP+w=="
     },
     "node_modules/browser-stdout": {
       "version": "1.3.1",
@@ -1854,7 +1818,6 @@
       "version": "4.4.1",
       "resolved": "https://registry.npmmirror.com/chai/-/chai-4.4.1.tgz",
       "integrity": "sha512-13sOfMv2+DWduEU+/xbun3LScLoqN17nBeTLUsmDfKdoiC1fr0n9PU4guu4AhRcOVFk/sW8LyZWHuhWtQZiF+g==",
-      "dev": true,
       "dependencies": {
         "assertion-error": "^1.1.0",
         "check-error": "^1.0.3",
@@ -1886,7 +1849,6 @@
       "version": "1.0.3",
       "resolved": "https://registry.npmmirror.com/check-error/-/check-error-1.0.3.tgz",
       "integrity": "sha512-iKEoDYaRmd1mxM90a2OEfWhjsjPpYPuQ+lMYsoxB126+t8fw7ySEO48nmDg5COTjxDI65/Y2OWpeEHk3ZOe8zg==",
-      "dev": true,
       "dependencies": {
         "get-func-name": "^2.0.2"
       },
@@ -2065,7 +2027,6 @@
       "version": "4.1.3",
       "resolved": "https://registry.npmmirror.com/deep-eql/-/deep-eql-4.1.3.tgz",
       "integrity": "sha512-WaEtAOpRA1MQ0eohqZjpGD8zdI0Ovsm8mmFhaDN8dvDZzyoUMcYDnf5Y6iu7HTXxf8JDS23qWa4a+hKCDyOPzw==",
-      "dev": true,
       "dependencies": {
         "type-detect": "^4.0.0"
       },
@@ -2103,7 +2064,6 @@
       "version": "6.5.4",
       "resolved": "https://registry.npmmirror.com/elliptic/-/elliptic-6.5.4.tgz",
       "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
-      "dev": true,
       "dependencies": {
         "bn.js": "^4.11.9",
         "brorand": "^1.1.0",
@@ -2117,8 +2077,7 @@
     "node_modules/elliptic/node_modules/bn.js": {
       "version": "4.12.0",
       "resolved": "https://registry.npmmirror.com/bn.js/-/bn.js-4.12.0.tgz",
-      "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
-      "dev": true
+      "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA=="
     },
     "node_modules/emoji-regex": {
       "version": "8.0.0",
@@ -2260,7 +2219,6 @@
       "version": "5.7.2",
       "resolved": "https://registry.npmmirror.com/ethers/-/ethers-5.7.2.tgz",
       "integrity": "sha512-wswUsmWo1aOK8rR7DIKiWSw9DbLWe6x98Jrn8wcTflTVvaXhAMaB5zGAXy0GYQEQp9iO1iSHWVyARQm11zUtyg==",
-      "dev": true,
       "dependencies": {
         "@ethersproject/abi": "5.7.0",
         "@ethersproject/abstract-provider": "5.7.0",
@@ -2438,7 +2396,6 @@
       "version": "2.0.2",
       "resolved": "https://registry.npmmirror.com/get-func-name/-/get-func-name-2.0.2.tgz",
       "integrity": "sha512-8vXOvuE167CtIc3OyItco7N/dpRtBbYOsPsXCz7X/PMnlGjYjSGuZJgM1Y7mmew7BKf9BqvLX2tnOVy1BBUsxQ==",
-      "dev": true,
       "engines": {
         "node": "*"
       }
@@ -2584,7 +2541,6 @@
       "version": "1.1.7",
       "resolved": "https://registry.npmmirror.com/hash.js/-/hash.js-1.1.7.tgz",
       "integrity": "sha512-taOaskGt4z4SOANNseOviYDvjEJinIkRgmp7LbKP2YTTmVxWBl87s/uzK9r+44BclBSp2X7K1hqeNfz9JbBeXA==",
-      "dev": true,
       "dependencies": {
         "inherits": "^2.0.3",
         "minimalistic-assert": "^1.0.1"
@@ -2603,7 +2559,6 @@
       "version": "1.0.1",
       "resolved": "https://registry.npmmirror.com/hmac-drbg/-/hmac-drbg-1.0.1.tgz",
       "integrity": "sha512-Tti3gMqLdZfhOQY1Mzf/AanLiqh1WTiJgEj26ZuYQ9fbkLomzGchCws4FyrSd4VkpBfiNhaE1On+lOz894jvXg==",
-      "dev": true,
       "dependencies": {
         "hash.js": "^1.0.3",
         "minimalistic-assert": "^1.0.0",
@@ -2679,8 +2634,7 @@
     "node_modules/inherits": {
       "version": "2.0.4",
       "resolved": "https://registry.npmmirror.com/inherits/-/inherits-2.0.4.tgz",
-      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
-      "dev": true
+      "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
     },
     "node_modules/io-ts": {
       "version": "1.10.4",
@@ -2779,8 +2733,7 @@
     "node_modules/js-sha3": {
       "version": "0.8.0",
       "resolved": "https://registry.npmmirror.com/js-sha3/-/js-sha3-0.8.0.tgz",
-      "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q==",
-      "dev": true
+      "integrity": "sha512-gF1cRrHhIzNfToc802P800N8PpXS+evLLXfsVpowqmAFR9uwbi89WvXg2QspOmXL8QL86J4T1EpFu+yUkwJY3Q=="
     },
     "node_modules/js-yaml": {
       "version": "4.1.0",
@@ -2927,7 +2880,6 @@
       "version": "2.3.7",
       "resolved": "https://registry.npmmirror.com/loupe/-/loupe-2.3.7.tgz",
       "integrity": "sha512-zSMINGVYkdpYSOBmLi0D1Uo7JU9nVdQKrHxC8eYlV+9YKK9WePqAlL7lSlorG/U2Fw1w0hTBmaa/jrQ3UbPHtA==",
-      "dev": true,
       "dependencies": {
         "get-func-name": "^2.0.1"
       }
@@ -2992,14 +2944,12 @@
     "node_modules/minimalistic-assert": {
       "version": "1.0.1",
       "resolved": "https://registry.npmmirror.com/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz",
-      "integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==",
-      "dev": true
+      "integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A=="
     },
     "node_modules/minimalistic-crypto-utils": {
       "version": "1.0.1",
       "resolved": "https://registry.npmmirror.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz",
-      "integrity": "sha512-JIYlbt6g8i5jKfJ3xz7rF0LXmv2TkDxBLUkiBeZ7bAx4GnnNMr8xFpGnOxn6GhTEHx3SjRrZEoU+j04prX1ktg==",
-      "dev": true
+      "integrity": "sha512-JIYlbt6g8i5jKfJ3xz7rF0LXmv2TkDxBLUkiBeZ7bAx4GnnNMr8xFpGnOxn6GhTEHx3SjRrZEoU+j04prX1ktg=="
     },
     "node_modules/minimatch": {
       "version": "3.1.2",
@@ -3234,7 +3184,6 @@
       "version": "2.7.0",
       "resolved": "https://registry.npmmirror.com/node-fetch/-/node-fetch-2.7.0.tgz",
       "integrity": "sha512-c4FRfUm/dbcWZ7U+1Wq0AwCyFL+3nt2bEw05wfxSz+DWpWsitgmSgYmy2dQdWyKC1694ELPqMs/YzUSNozLt8A==",
-      "dev": true,
       "dependencies": {
         "whatwg-url": "^5.0.0"
       },
@@ -3387,7 +3336,6 @@
       "version": "1.1.1",
       "resolved": "https://registry.npmmirror.com/pathval/-/pathval-1.1.1.tgz",
       "integrity": "sha512-Dp6zGqpTdETdR63lehJYPeIOqpiNBNtc7BpWSLrOje7UaIsE5aY92r/AunQA7rsXvet3lrJ3JnZX29UPTKXyKQ==",
-      "dev": true,
       "engines": {
         "node": "*"
       }
@@ -3558,8 +3506,7 @@
     "node_modules/scrypt-js": {
       "version": "3.0.1",
       "resolved": "https://registry.npmmirror.com/scrypt-js/-/scrypt-js-3.0.1.tgz",
-      "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA==",
-      "dev": true
+      "integrity": "sha512-cdwTTnqPu0Hyvf5in5asVdZocVDTNRmR7XEcJuIzMjJeSHybHl7vpB66AzwTaIg6CLSbtjcxc8fqcySfnTkccA=="
     },
     "node_modules/secp256k1": {
       "version": "4.0.3",
@@ -3833,8 +3780,7 @@
     "node_modules/tr46": {
       "version": "0.0.3",
       "resolved": "https://registry.npmmirror.com/tr46/-/tr46-0.0.3.tgz",
-      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw==",
-      "dev": true
+      "integrity": "sha512-N3WMsuqV66lT30CrXNbEjx4GEwlow3v6rr4mCcv6prnfwhS01rkgyFdjPNBYd9br7LpXV1+Emh01fHnq2Gdgrw=="
     },
     "node_modules/treeify": {
       "version": "1.1.0",
@@ -3873,7 +3819,6 @@
       "version": "4.0.8",
       "resolved": "https://registry.npmmirror.com/type-detect/-/type-detect-4.0.8.tgz",
       "integrity": "sha512-0fr/mIH1dlO+x7TlcMy+bIDqKPsw/70tVyeHW787goQjhmqaZe10uwLujubK9q9Lg6Fiho1KUKDYz0Z7k7g5/g==",
-      "dev": true,
       "engines": {
         "node": ">=4"
       }
@@ -4008,14 +3953,12 @@
     "node_modules/webidl-conversions": {
       "version": "3.0.1",
       "resolved": "https://registry.npmmirror.com/webidl-conversions/-/webidl-conversions-3.0.1.tgz",
-      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ==",
-      "dev": true
+      "integrity": "sha512-2JAn3z8AR6rjK8Sm8orRC0h/bcl/DqL7tRPdGZ4I1CjdF+EaMLmYxBHyXuKL849eucPFhvBoxMsflfOb8kxaeQ=="
     },
     "node_modules/whatwg-url": {
       "version": "5.0.0",
       "resolved": "https://registry.npmmirror.com/whatwg-url/-/whatwg-url-5.0.0.tgz",
       "integrity": "sha512-saE57nupxk6v3HY35+jzBwYa0rKSy0XR8JSxZPwgLr7ys0IBzhGviA1/TUGJLmSVqs8pb9AnvICXEuOHLprYTw==",
-      "dev": true,
       "dependencies": {
         "tr46": "~0.0.3",
         "webidl-conversions": "^3.0.0"
@@ -4093,7 +4036,6 @@
       "version": "7.4.6",
       "resolved": "https://registry.npmmirror.com/ws/-/ws-7.4.6.tgz",
       "integrity": "sha512-YmhHDO4MzaDLB+M9ym/mDA5z0naX8j7SIlT8f8z+I0VtzsRbekxEutHSme7NPS2qE8StCYQNUnfWdXta/Yu85A==",
-      "dev": true,
       "engines": {
         "node": ">=8.3.0"
       },
diff --git a/examples/optimism/package.json b/examples/optimism/package.json
index c538a35..4934494 100644
--- a/examples/optimism/package.json
+++ b/examples/optimism/package.json
@@ -4,12 +4,13 @@
   "version": "1.0.0",
   "scripts": {},
   "devDependencies": {
-    "@eth-optimism/sdk": "^3.2.0",
+    "@eth-optimism/sdk": "^3.2.3",
     "@nomiclabs/hardhat-ethers": "^2.0.2",
     "ethers": "^5.7.2",
     "hardhat": "^2.9.1"
   },
   "dependencies": {
+    "@eth-optimism/core-utils": "^0.13.1",
     "dotenv": "^16.4.1"
   }
 }
diff --git a/examples/utils/opstack-utils.js b/examples/optimism/scripts/opstack-utils.js
similarity index 79%
rename from examples/utils/opstack-utils.js
rename to examples/optimism/scripts/opstack-utils.js
index 537336d..4c0093b 100644
--- a/examples/utils/opstack-utils.js
+++ b/examples/optimism/scripts/opstack-utils.js
@@ -1,7 +1,9 @@
 const ethers = require('ethers');
-const { readDeployContract, getLogName } = require('../../script/utils');
-const logName = require('../../script/deploy_log_name');
-const { INIT_FEE_PARAMS } = require('../../script/zksync_era');
+const { readDeployContract, getLogName } = require('../../../script/utils');
+const logName = require('../../../script/deploy_log_name');
+const { INIT_FEE_PARAMS } = require('../../../script/zksync_era');
+const { zkLinkConfig } = require('../../../script/zklink_config');
+const { DepositTx, applyL1ToL2Alias } = require('@eth-optimism/core-utils');
 
 const MessageStatus = {
   UNCONFIRMED_L1_TO_L2_MESSAGE: 0,
@@ -17,11 +19,7 @@ function sleep(ms) {
   return new Promise(resolve => setTimeout(resolve, ms));
 }
 
-async function getContractAddresses(ethereumName, opChainName, chainName) {
-  if (chainName === undefined) {
-    chainName = 'op stack chain';
-  }
-
+async function getContractAddresses(ethereumName, opChainName) {
   const arbitratorAddr = readDeployContract(
     logName.DEPLOY_ARBITRATOR_LOG_PREFIX,
     logName.DEPLOY_LOG_ARBITRATOR,
@@ -43,17 +41,17 @@ async function getContractAddresses(ethereumName, opChainName, chainName) {
   const l1GatewayLogName = getLogName(logName.DEPLOY_L1_GATEWAY_LOG_PREFIX, opChainName);
   const l1GatewayAddr = readDeployContract(l1GatewayLogName, logName.DEPLOY_GATEWAY, ethereumName);
   if (l1GatewayAddr === undefined) {
-    console.log(`${chainName} l1 gateway address not exist`);
+    console.log(`${opChainName} l1 gateway address not exist`);
     return;
   }
-  console.log(`The ${chainName} l1 gateway address: ${l1GatewayAddr}`);
+  console.log(`The ${opChainName} l1 gateway address: ${l1GatewayAddr}`);
 
   const l2GatewayAddr = readDeployContract(logName.DEPLOY_L2_GATEWAY_LOG_PREFIX, logName.DEPLOY_GATEWAY, opChainName);
   if (l2GatewayAddr === undefined) {
-    console.log(`${chainName} l2 gateway address not exist`);
+    console.log(`${opChainName} l2 gateway address not exist`);
     return;
   }
-  console.log(`The ${chainName} l2 gateway address: ${l2GatewayAddr}`);
+  console.log(`The ${opChainName} l2 gateway address: ${l2GatewayAddr}`);
 
   return {
     arbitratorAddr,
@@ -80,11 +78,10 @@ async function generateAdapterParams(hre, messenger, l2GatewayAddr, executeCalld
   return adapterParams;
 }
 
-async function syncBatchRoot(hre, messenger, ethereumName, opChainName, chainName) {
+async function syncBatchRoot(hre, messenger, ethereumName, opChainName) {
   const { arbitratorAddr, zkLinkAddr, l1GatewayAddr, l2GatewayAddr } = await getContractAddresses(
     ethereumName,
     opChainName,
-    chainName,
   );
   const l1Wallet = messenger.l1Signer;
   const l2Provider = messenger.l2Provider;
@@ -138,11 +135,10 @@ async function syncBatchRoot(hre, messenger, ethereumName, opChainName, chainNam
   return message;
 }
 
-async function setValidator(hre, messenger, ethereumName, opChainName, chainName, validatorAddr, isActive) {
+async function setValidator(hre, messenger, ethereumName, opChainName, validatorAddr, isActive) {
   const { arbitratorAddr, zkLinkAddr, l1GatewayAddr, l2GatewayAddr } = await getContractAddresses(
     ethereumName,
     opChainName,
-    chainName,
   );
   const l1Wallet = messenger.l1Signer;
   const l1WalletAddress = await l1Wallet.getAddress();
@@ -188,11 +184,10 @@ async function setValidator(hre, messenger, ethereumName, opChainName, chainName
   return message;
 }
 
-async function changeFeeParams(hre, messenger, ethereumName, opChainName, chainName) {
+async function changeFeeParams(hre, messenger, ethereumName, opChainName) {
   const { arbitratorAddr, zkLinkAddr, l1GatewayAddr, l2GatewayAddr } = await getContractAddresses(
     ethereumName,
     opChainName,
-    chainName,
   );
   const l1Wallet = messenger.l1Signer;
   const l1WalletAddress = await l1Wallet.getAddress();
@@ -237,8 +232,8 @@ async function changeFeeParams(hre, messenger, ethereumName, opChainName, chainN
   return message;
 }
 
-async function syncL2Requests(hre, messenger, ethereumName, opChainName, chainName, txs) {
-  const { zkLinkAddr } = await getContractAddresses(ethereumName, opChainName, chainName);
+async function syncL2Requests(hre, messenger, ethereumName, opChainName, txs) {
+  const { zkLinkAddr } = await getContractAddresses(ethereumName, opChainName);
   const l2Wallet = messenger.l2Signer;
   const l1Wallet = messenger.l1Signer;
 
@@ -304,8 +299,8 @@ async function syncL2Requests(hre, messenger, ethereumName, opChainName, chainNa
   console.log(`The message has been relayed`);
 }
 
-async function encodeSetValidator(hre, messenger, ethereumName, opChainName, chainName, validatorAddr, isActive) {
-  const { zkLinkAddr, l1GatewayAddr, l2GatewayAddr } = await getContractAddresses(ethereumName, opChainName, chainName);
+async function encodeSetValidator(hre, messenger, ethereumName, opChainName, validatorAddr, isActive) {
+  const { zkLinkAddr, l1GatewayAddr, l2GatewayAddr } = await getContractAddresses(ethereumName, opChainName);
   // pre-execution calldata
   const zkLink = await hre.ethers.getContractAt('ZkLink', zkLinkAddr);
   const executeCalldata = zkLink.interface.encodeFunctionData('setValidator', [validatorAddr, isActive]);
@@ -323,8 +318,8 @@ async function encodeSetValidator(hre, messenger, ethereumName, opChainName, cha
   return calldata;
 }
 
-async function encodeChangeFeeParams(hre, messenger, ethereumName, opChainName, chainName) {
-  const { zkLinkAddr, l1GatewayAddr, l2GatewayAddr } = await getContractAddresses(ethereumName, opChainName, chainName);
+async function encodeChangeFeeParams(hre, messenger, ethereumName, opChainName) {
+  const { zkLinkAddr, l1GatewayAddr, l2GatewayAddr } = await getContractAddresses(ethereumName, opChainName);
   // pre-execution calldata
   const zkLink = await hre.ethers.getContractAt('ZkLink', zkLinkAddr);
   console.log(`The zkLink address: ${zkLink.address}`);
@@ -342,6 +337,76 @@ async function encodeChangeFeeParams(hre, messenger, ethereumName, opChainName,
   return calldata;
 }
 
+async function encodeL1ToL2Calldata(
+  hre,
+  messenger,
+  ethereumName,
+  opChainName,
+  l2ToContractAddress,
+  l2CallData,
+  l2CallValue,
+) {
+  const l2ChainInfo = zkLinkConfig[opChainName];
+  if (l2ChainInfo === undefined) {
+    console.log('The l2 chain info not exist');
+    return;
+  }
+  const portalContract = messenger.contracts.l1.OptimismPortal;
+  console.log(`The optimism portal address: ${portalContract.address}`);
+
+  const l1GovernanceAddr = readDeployContract(
+    logName.DEPLOY_GOVERNANCE_LOG_PREFIX,
+    logName.DEPLOY_LOG_GOVERNANCE,
+    ethereumName,
+  );
+  if (l1GovernanceAddr === undefined) {
+    console.log('governance address not exist');
+    return;
+  }
+  console.log(`The l1 governance address: ${l1GovernanceAddr}`);
+  const l2GovernanceAddr = applyL1ToL2Alias(l1GovernanceAddr);
+  console.log(`The l2 governance address: ${l2GovernanceAddr}`);
+
+  const l2Provider = messenger.l2Provider;
+  let l2GasLimit = await l2Provider.estimateGas({
+    from: l2GovernanceAddr,
+    to: l2ToContractAddress,
+    data: l2CallData,
+    value: l2CallValue,
+  });
+  l2GasLimit = l2GasLimit.mul(120).div(100); // Add 20% buffer
+  console.log(`The l2 gas limit: ${l2GasLimit.toString()}`);
+
+  const sendMessageCalldata = portalContract.interface.encodeFunctionData('depositTransaction', [
+    l2ToContractAddress,
+    l2CallValue,
+    l2GasLimit,
+    false,
+    l2CallData,
+  ]);
+  console.log(`The l1 to l2 call target: ${portalContract.address}`);
+  console.log(`The l1 to l2 call data: ${sendMessageCalldata}`);
+  console.log(`The l1 to l2 call value: ${l2CallValue}`);
+}
+
+async function checkL1TxStatus(hre, messenger, ethereumName, opChainName, l1TxHash) {
+  const l1Provider = messenger.l1Provider;
+  const l2Provider = messenger.l2Provider;
+  const l1TxReceipt = await l1Provider.getTransactionReceipt(l1TxHash);
+  const eventFilter =
+    'TransactionDeposited(address indexed from, address indexed to, uint256 indexed version, bytes opaqueData)';
+  const event = (
+    await messenger.contracts.l1.OptimismPortal.queryFilter(
+      eventFilter,
+      l1TxReceipt.blockNumber,
+      l1TxReceipt.blockNumber,
+    )
+  ).pop();
+  const deposit = DepositTx.fromL1Event(event);
+  await l2Provider.waitForTransaction(deposit.hash());
+  console.log(`L1 to l2 tx is executed 🥳`);
+}
+
 module.exports = {
   getContractAddresses,
   syncBatchRoot,
@@ -350,4 +415,6 @@ module.exports = {
   syncL2Requests,
   encodeSetValidator,
   encodeChangeFeeParams,
+  encodeL1ToL2Calldata,
+  checkL1TxStatus,
 };
diff --git a/examples/optimism/scripts/optimismTasks.js b/examples/optimism/scripts/optimismTasks.js
index b278f31..32a278b 100644
--- a/examples/optimism/scripts/optimismTasks.js
+++ b/examples/optimism/scripts/optimismTasks.js
@@ -7,7 +7,9 @@ const {
   changeFeeParams,
   encodeSetValidator,
   encodeChangeFeeParams,
-} = require('../../utils/opstack-utils');
+  encodeL1ToL2Calldata,
+  checkL1TxStatus,
+} = require('./opstack-utils');
 const { task, types } = require('hardhat/config');
 require('dotenv').config();
 
@@ -32,7 +34,7 @@ async function initMessenger() {
 task('syncBatchRoot', 'Forward message to L2').setAction(async (_, hre) => {
   const { messenger, ethereumName, optimismName } = await initMessenger();
 
-  const message = await syncBatchRoot(hre, messenger, ethereumName, optimismName, 'optimism');
+  const message = await syncBatchRoot(hre, messenger, ethereumName, optimismName);
   // Waiting for the official optimism bridge to forward the message to L2
   const rec = await messenger.waitForMessageReceipt(message);
   console.log(`The tx receipt: ${JSON.stringify(rec, null, 2)}`);
@@ -51,7 +53,7 @@ task('syncL2Requests', 'Send sync point to arbitrator')
 
     const { messenger, ethereumName, optimismName } = await initMessenger();
 
-    await syncL2Requests(hre, messenger, ethereumName, optimismName, 'optimism', txs);
+    await syncL2Requests(hre, messenger, ethereumName, optimismName, txs);
 
     console.log('Done! Your transaction is executed');
 
@@ -70,7 +72,7 @@ task('setValidator', 'Set validator for zkLink')
 
     const { messenger, ethereumName, optimismName } = await initMessenger();
 
-    const message = await setValidator(hre, messenger, ethereumName, optimismName, 'optimism', validatorAddr, isActive);
+    const message = await setValidator(hre, messenger, ethereumName, optimismName, validatorAddr, isActive);
     // Waiting for the official optimism bridge to forward the message to L2
     const rec = await messenger.waitForMessageReceipt(message);
     console.log(`The tx receipt: ${JSON.stringify(rec, null, 2)}`);
@@ -80,7 +82,7 @@ task('setValidator', 'Set validator for zkLink')
 task('changeFeeParams', 'Change fee params for zkLink').setAction(async (_, hre) => {
   const { messenger, ethereumName, optimismName } = await initMessenger();
 
-  const message = await changeFeeParams(hre, messenger, ethereumName, optimismName, 'optimism');
+  const message = await changeFeeParams(hre, messenger, ethereumName, optimismName);
 
   // Waiting for the official optimism bridge to forward the message to L2
   const rec = await messenger.waitForMessageReceipt(message);
@@ -98,11 +100,46 @@ task('encodeSetValidator', 'Get the calldata of set validator for zkLink')
 
     const { messenger, ethereumName, optimismName } = await initMessenger();
 
-    await encodeSetValidator(hre, messenger, ethereumName, optimismName, 'optimism', validatorAddr, isActive);
+    await encodeSetValidator(hre, messenger, ethereumName, optimismName, validatorAddr, isActive);
   });
 
 task('encodeChangeFeeParams', 'Get the calldata of changing fee params for zkLink').setAction(async (_, hre) => {
   const { messenger, ethereumName, optimismName } = await initMessenger();
 
-  await encodeChangeFeeParams(hre, messenger, ethereumName, optimismName, 'optimism');
+  await encodeChangeFeeParams(hre, messenger, ethereumName, optimismName);
 });
+
+task('encodeL1ToL2Calldata', 'Encode call data for l1 to l2')
+  .addParam('to', 'The l2 target address', undefined, types.string)
+  .addParam('l2CallData', 'The l2 call data to target address', undefined, types.string)
+  .addParam('l2CallValue', 'The l2 call value to target address', undefined, types.int)
+  .setAction(async (taskArgs, hre) => {
+    const l2ToContractAddress = taskArgs.to;
+    const l2CallData = taskArgs.l2CallData;
+    const l2CallValue = taskArgs.l2CallValue;
+    console.log(`The l2 target contract address: ${l2ToContractAddress}`);
+    console.log(`The l2 call data to target address: ${l2CallData}`);
+    console.log(`The l2 call value to target address: ${l2CallValue}`);
+
+    const { messenger, ethereumName, optimismName } = await initMessenger();
+
+    await encodeL1ToL2Calldata(
+      hre,
+      messenger,
+      ethereumName,
+      optimismName,
+      l2ToContractAddress,
+      l2CallData,
+      l2CallValue,
+    );
+  });
+
+task('checkL1TxStatus', 'Check the l1 tx status')
+  .addParam('l1TxHash', 'The l1 tx hash', undefined, types.string)
+  .setAction(async (taskArgs, hre) => {
+    const l1TxHash = taskArgs.l1TxHash;
+    console.log(`The l1 tx hash: ${l1TxHash}`);
+
+    const { messenger, ethereumName, optimismName } = await initMessenger();
+    await checkL1TxStatus(hre, messenger, ethereumName, optimismName, l1TxHash);
+  });
diff --git a/examples/zksync/.env-sample b/examples/zksync/.env-sample
index 14daf6e..330333f 100644
--- a/examples/zksync/.env-sample
+++ b/examples/zksync/.env-sample
@@ -18,4 +18,19 @@ L1RPC=""
 ZKSYNC="ZKSYNCTEST"
 
 # Ethereum chain name
-ETHEREUM="SEPOLIA"
\ No newline at end of file
+ETHEREUM="SEPOLIA"
+
+# Your Private key
+
+ZKLINK_DEVNET_PRIVKEY="0x your key here"
+
+# Hosted Aggregator Node (JSON-RPC Endpoint). This is zkLink Testnet, can use any zkLink chain
+
+ZKLINK_L2RPC="https://goerli.rpc.zklink.io"
+
+# Linea RPC; i.e., for Sepolia https://rpc.sepolia.linea.build
+
+ZKLINK_L1RPC="https://rpc.sepolia.linea.build"
+
+# Linea chain name
+LINEA="LINEATEST"
\ No newline at end of file
diff --git a/examples/zksync/hardhat.config.js b/examples/zksync/hardhat.config.js
index 785d267..bc3905d 100644
--- a/examples/zksync/hardhat.config.js
+++ b/examples/zksync/hardhat.config.js
@@ -4,6 +4,7 @@ require('./scripts/syncL2Requests');
 require('./scripts/syncBatchRoot');
 require('./scripts/setValidator');
 require('./scripts/changeFeeParams');
+require('./scripts/governance');
 
 const BaseConfig = require('../../hardhat.base.config');
 
diff --git a/examples/zksync/scripts/governance.js b/examples/zksync/scripts/governance.js
new file mode 100644
index 0000000..0416b70
--- /dev/null
+++ b/examples/zksync/scripts/governance.js
@@ -0,0 +1,193 @@
+const { Provider, Wallet, utils } = require('zksync-ethers');
+const { ethers } = require('ethers');
+const { readDeployContract } = require('../../../script/utils');
+const logName = require('../../../script/deploy_log_name');
+const { task, types } = require('hardhat/config');
+
+require('dotenv').config();
+
+async function initNetwork() {
+  const walletPrivateKey = process.env.DEVNET_PRIVKEY;
+  const l1Provider = new Provider(process.env.L1RPC);
+  const l2Provider = new Provider(process.env.L2RPC);
+  const ethereumName = process.env.ETHEREUM;
+  const zkSyncWallet = new Wallet(walletPrivateKey, l2Provider, l1Provider);
+
+  const mailBoxAddr = await l1Provider.getMainContractAddress();
+  if (mailBoxAddr === undefined) {
+    console.log('The zksync mailbox address not exist');
+    return;
+  }
+  console.log(`The mailbox address: ${mailBoxAddr}`);
+
+  const l1GovernanceAddr = readDeployContract(
+    logName.DEPLOY_GOVERNANCE_LOG_PREFIX,
+    logName.DEPLOY_LOG_GOVERNANCE,
+    ethereumName,
+  );
+  if (l1GovernanceAddr === undefined) {
+    console.log('governance address not exist');
+    return;
+  }
+  console.log(`The l1 governance address: ${l1GovernanceAddr}`);
+  return {
+    l1GovernanceAddr,
+    mailBoxAddr,
+    l1Provider,
+    l2Provider,
+    zkSyncWallet,
+  };
+}
+
+async function initZkLinkNetwork() {
+  const walletPrivateKey = process.env.ZKLINK_DEVNET_PRIVKEY;
+  const l1Provider = new Provider(process.env.ZKLINK_L1RPC);
+  const l2Provider = new Provider(process.env.ZKLINK_L2RPC);
+  const lineaName = process.env.LINEA;
+  const zkSyncWallet = new Wallet(walletPrivateKey, l2Provider, l1Provider);
+
+  const mailBoxAddr = await l1Provider.getMainContractAddress();
+  if (mailBoxAddr === undefined) {
+    console.log('The zksync mailbox address not exist');
+    return;
+  }
+  console.log(`The mailbox address: ${mailBoxAddr}`);
+
+  const l1GovernanceAddr = readDeployContract(
+    logName.DEPLOY_LINEA_L2_GOVERNANCE_LOG_PREFIX,
+    logName.DEPLOY_LOG_GOVERNANCE,
+    lineaName,
+  );
+  if (l1GovernanceAddr === undefined) {
+    console.log('governance address not exist');
+    return;
+  }
+  console.log(`The l1 governance address: ${l1GovernanceAddr}`);
+  return {
+    l1GovernanceAddr,
+    mailBoxAddr,
+    l1Provider,
+    l2Provider,
+    zkSyncWallet,
+  };
+}
+
+task('encodeL1ToL2Calldata', 'Encode call data for l1 to l2')
+  .addParam('to', 'The l2 target address', undefined, types.string)
+  .addParam('l2CallData', 'The l2 call data to target address', undefined, types.string)
+  .addParam('l2CallValue', 'The l2 call value to target address', undefined, types.int)
+  .addParam(
+    'refundAddress',
+    'The excess fee and value refund address(should be an EOA address)',
+    undefined,
+    types.string,
+  )
+  .setAction(async (taskArgs, hre) => {
+    const networkInfo = await initNetwork();
+    await encodeL1ToL2Calldata(taskArgs, hre, networkInfo);
+  });
+
+task('zkLinkEncodeL1ToL2Calldata', 'Encode call data for l1 to l2')
+  .addParam('to', 'The l2 target address', undefined, types.string)
+  .addParam('l2CallData', 'The l2 call data to target address', undefined, types.string)
+  .addParam('l2CallValue', 'The l2 call value to target address', undefined, types.int)
+  .addParam(
+    'refundAddress',
+    'The excess fee and value refund address(should be an EOA address)',
+    undefined,
+    types.string,
+  )
+  .setAction(async (taskArgs, hre) => {
+    const networkInfo = await initZkLinkNetwork();
+    await encodeL1ToL2Calldata(taskArgs, hre, networkInfo);
+  });
+
+task('checkL1TxStatus', 'Check the l1 tx status')
+  .addParam('l1TxHash', 'The l1 tx hash', undefined, types.string)
+  .setAction(async taskArgs => {
+    const l1Provider = new Provider(process.env.L1RPC);
+    const l2Provider = new Provider(process.env.L2RPC);
+    await checkL1TxStatus(taskArgs, l1Provider, l2Provider);
+  });
+
+task('zkLinkCheckL1TxStatus', 'Check the l1 tx status')
+  .addParam('l1TxHash', 'The l1 tx hash', undefined, types.string)
+  .setAction(async taskArgs => {
+    const l1Provider = new Provider(process.env.ZKLINK_L1RPC);
+    const l2Provider = new Provider(process.env.ZKLINK_L2RPC);
+    await checkL1TxStatus(taskArgs, l1Provider, l2Provider);
+  });
+
+async function encodeL1ToL2Calldata(taskArgs, hre, networkInfo) {
+  const { l1GovernanceAddr, mailBoxAddr, l1Provider, l2Provider, zkSyncWallet } = networkInfo;
+
+  const l2ToContractAddress = taskArgs.to;
+  const l2CallData = taskArgs.l2CallData;
+  const l2CallValue = taskArgs.l2CallValue;
+  const refundAddress = taskArgs.refundAddress;
+  console.log(`The l2 target contract address: ${l2ToContractAddress}`);
+  console.log(`The l2 call data to target address: ${l2CallData}`);
+  console.log(`The l2 call value to target address: ${l2CallValue}`);
+  console.log(`The refund address: ${refundAddress}`);
+
+  const l2GovernanceAddr = utils.applyL1ToL2Alias(l1GovernanceAddr);
+  console.log(`The l2 governance address: ${l2GovernanceAddr}`);
+
+  /**
+   * The estimateL1ToL2Execute method gives us the gasLimit for sending an L1->L2 message
+   */
+
+  const l2GasLimit = await l2Provider.estimateL1ToL2Execute({
+    contractAddress: l2GovernanceAddr,
+    calldata: l2CallData,
+    overrides: {
+      value: l2CallValue,
+    },
+  });
+  console.log(`Estimate gasLimit on L1 is ${l2GasLimit.valueOf()}`);
+
+  /**
+   * The getGasPrice method gives us the current gas price on L1
+   */
+  const l1GasPrice = await l1Provider.getGasPrice();
+  console.log(`Current gas price on L1 is ${ethers.formatEther(l1GasPrice)} ETH`);
+
+  /**
+   * The getBaseCost method gives us the base cost of sending an L1->L2 message
+   */
+  const baseCost = await zkSyncWallet.getBaseCost({
+    // L2 computation
+    gasLimit: l2GasLimit,
+    // L1 gas price
+    gasPrice: l1GasPrice,
+  });
+  console.log(`Executing this transaction will cost ${ethers.formatEther(baseCost)} ETH`);
+  const finalL1ToL2MsgValue = BigInt(l2CallValue) + BigInt(baseCost);
+  console.log(`The msg value: ${ethers.formatEther(finalL1ToL2MsgValue)} ETH`);
+
+  const mailBox = await hre.ethers.getContractAt('IMailbox', '0x0000000000000000000000000000000000000000');
+  const mailBoxCalldata = mailBox.interface.encodeFunctionData('requestL2Transaction', [
+    l2ToContractAddress,
+    l2CallValue,
+    l2CallData,
+    l2GasLimit,
+    utils.REQUIRED_L1_TO_L2_GAS_PER_PUBDATA_LIMIT,
+    [],
+    refundAddress,
+  ]);
+
+  console.log(`The l1 to l2 call target: ${mailBoxAddr}`);
+  console.log(`The l1 to l2 call data: ${mailBoxCalldata}`);
+  console.log(`The l1 to l2 call value: ${finalL1ToL2MsgValue}`);
+}
+
+async function checkL1TxStatus(taskArgs, l1Provider, l2Provider) {
+  const l1TxHash = taskArgs.l1TxHash;
+  console.log(`The l1 tx hash: ${l1TxHash}`);
+  console.log('Waiting for the L2 execution of the transaction. This may take up to 10-15 minutes ⏰');
+  const txHandle = await l1Provider.getTransaction(l1TxHash);
+  const l2Tx = await l2Provider.getL2TransactionFromPriorityOp(txHandle);
+  console.log(`The l2 tx hash: ${l2Tx.hash}`);
+  const l2TxStatus = await l2Provider.getTransactionStatus(l2Tx.hash);
+  console.log(`The l2 tx status: ${l2TxStatus}`);
+}
diff --git a/hardhat.config.js b/hardhat.config.js
index 160f0cf..6d01963 100644
--- a/hardhat.config.js
+++ b/hardhat.config.js
@@ -6,6 +6,8 @@ require('./script/deploy_l1_gateway');
 require('./script/deploy_l2_gateway');
 require('./script/deploy_eth_gateway');
 require('./script/deploy_erc20_bridge');
+require('./script/deploy_governance');
+require('./script/deploy_linea_l2_governance');
 
 const BaseConfig = require('./hardhat.base.config');
 
diff --git a/script/ChainConfig.json b/script/ChainConfig.json
index 85d2cef..e6011b6 100644
--- a/script/ChainConfig.json
+++ b/script/ChainConfig.json
@@ -180,13 +180,13 @@
     "eth": true,
     "l2Gateway": {
       "contractName": "LineaL2Gateway",
-      "constructParams": ["0xC499a572640B64eA1C8c194c43Bc3E19940719dC"],
+      "constructParams": ["0x971e727e956690b9957be6d51Ec16E73AcAC83A7"],
       "initializeParams": []
     },
     "l1Gateway": {
-      "netName": "GOERLI",
+      "netName": "SEPOLIA",
       "contractName": "LineaL1Gateway",
-      "constructParams": ["0x70BaD09280FD342D02fe64119779BC1f0791BAC2"],
+      "constructParams": ["0xB218f8A4Bc926cF1cA7b3423c154a0D627Bdb7E5"],
       "initializeParams": []
     }
   },
diff --git a/script/deploy_arbitrator.js b/script/deploy_arbitrator.js
index 094644b..b98a3f1 100644
--- a/script/deploy_arbitrator.js
+++ b/script/deploy_arbitrator.js
@@ -121,6 +121,43 @@ task('upgradeArbitrator', 'Upgrade arbitrator')
     }
   });
 
+task('deployArbitratorTarget', 'Deploy arbitrator target')
+  .addOptionalParam('skipVerify', 'Skip verify', false, types.boolean)
+  .addOptionalParam('dummy', 'Deploy dummy contract for test', false, types.boolean)
+  .setAction(async (taskArgs, hardhat) => {
+    let skipVerify = taskArgs.skipVerify;
+    let dummy = taskArgs.dummy;
+    console.log('skip verify contracts?', skipVerify);
+    console.log('deploy dummy contracts?', dummy);
+
+    const contractDeployer = new ChainContractDeployer(hardhat);
+    await contractDeployer.init();
+    const deployerWallet = contractDeployer.deployerWallet;
+
+    const { deployLogPath, deployLog } = createOrGetDeployLog(logName.DEPLOY_ARBITRATOR_LOG_PREFIX);
+    deployLog[logName.DEPLOY_LOG_DEPLOYER] = deployerWallet.address;
+    fs.writeFileSync(deployLogPath, JSON.stringify(deployLog, null, 2));
+
+    // deploy arbitrator target
+    let arbitratorTargetAddr;
+    console.log('deploy arbitrator target...');
+    const contractName = getArbitratorContractName(dummy);
+    const contract = await contractDeployer.deployContract(contractName, []);
+    const transaction = await getDeployTx(contract);
+    console.log('deploy tx hash', transaction.hash);
+    arbitratorTargetAddr = await contract.getAddress();
+    deployLog[logName.DEPLOY_LOG_ARBITRATOR_TARGET] = arbitratorTargetAddr;
+    fs.writeFileSync(deployLogPath, JSON.stringify(deployLog, null, 2));
+    console.log('arbitrator', arbitratorTargetAddr);
+
+    // verify target contract
+    if (!skipVerify) {
+      await verifyContractCode(hardhat, arbitratorTargetAddr, []);
+      deployLog[logName.DEPLOY_LOG_ARBITRATOR_VERIFIED] = true;
+      fs.writeFileSync(deployLogPath, JSON.stringify(deployLog, null, 2));
+    }
+  });
+
 task('setValidatorForEthereum', 'Set validator for ethereum')
   .addParam('validator', 'Validator Address', undefined, types.string)
   .addOptionalParam('active', 'Whether to activate the validator address', true, types.boolean)
diff --git a/script/deploy_governance.js b/script/deploy_governance.js
new file mode 100644
index 0000000..e07cb1d
--- /dev/null
+++ b/script/deploy_governance.js
@@ -0,0 +1,171 @@
+const fs = require('fs');
+const {
+  verifyContractCode,
+  createOrGetDeployLog,
+  ChainContractDeployer,
+  getDeployTx,
+  readDeployContract,
+} = require('./utils');
+const logName = require('./deploy_log_name');
+const { task, types } = require('hardhat/config');
+
+task('deployGovernance', 'Deploy governance')
+  .addParam('admin', 'The admin address (default is the deployer)', undefined, types.string, true)
+  .addParam(
+    'securityCouncil',
+    'The security council address (default is the zero address)',
+    '0x0000000000000000000000000000000000000000',
+    types.string,
+    true,
+  )
+  .addParam('minDelay', 'The initial minimum delay (in seconds) to be set for operations', 0, types.int, true)
+  .addParam('skipVerify', 'Skip verify', false, types.boolean, true)
+  .setAction(async (taskArgs, hardhat) => {
+    const contractDeployer = new ChainContractDeployer(hardhat);
+    await contractDeployer.init();
+    const deployerWallet = contractDeployer.deployerWallet;
+
+    let adminAddr = taskArgs.admin;
+    if (adminAddr === undefined) {
+      adminAddr = deployerWallet.address;
+    }
+    let securityCouncilAddr = taskArgs.securityCouncil;
+    let minDelay = taskArgs.minDelay;
+    let skipVerify = taskArgs.skipVerify;
+    console.log('admin', adminAddr);
+    console.log('securityCouncil', securityCouncilAddr);
+    console.log('minDelay', minDelay);
+    console.log('skip verify contracts?', skipVerify);
+
+    const { deployLogPath, deployLog } = createOrGetDeployLog(logName.DEPLOY_GOVERNANCE_LOG_PREFIX);
+    deployLog[logName.DEPLOY_LOG_DEPLOYER] = deployerWallet.address;
+    fs.writeFileSync(deployLogPath, JSON.stringify(deployLog, null, 2));
+
+    // deploy governance
+    let governanceAddr;
+    const allConstructParams = [adminAddr, securityCouncilAddr, minDelay];
+    if (!(logName.DEPLOY_LOG_GOVERNANCE in deployLog)) {
+      console.log('deploy governance...');
+      const contract = await contractDeployer.deployContract('Governance', allConstructParams);
+      const transaction = await getDeployTx(contract);
+      governanceAddr = await contract.getAddress();
+      deployLog[logName.DEPLOY_LOG_GOVERNANCE] = governanceAddr;
+      deployLog[logName.DEPLOY_LOG_DEPLOY_TX_HASH] = transaction.hash;
+      deployLog[logName.DEPLOY_LOG_DEPLOY_BLOCK_NUMBER] = transaction.blockNumber;
+      fs.writeFileSync(deployLogPath, JSON.stringify(deployLog, null, 2));
+    } else {
+      governanceAddr = deployLog[logName.DEPLOY_LOG_GOVERNANCE];
+    }
+    console.log('governance', governanceAddr);
+
+    // verify governance
+    if (!(logName.DEPLOY_LOG_GOVERNANCE_VERIFIED in deployLog) && !skipVerify) {
+      await verifyContractCode(hardhat, governanceAddr, allConstructParams);
+      deployLog[logName.DEPLOY_LOG_GOVERNANCE_VERIFIED] = true;
+      fs.writeFileSync(deployLogPath, JSON.stringify(deployLog, null, 2));
+    }
+  });
+
+task('encodeUUPSUpgradeCalldata', 'Encode calldata for uups upgrade')
+  .addParam('newImplementation', 'The new implementation', undefined, types.string, false)
+  .setAction(async (taskArgs, hardhat) => {
+    let newImplementation = taskArgs.newImplementation;
+    console.log('new implementation', newImplementation);
+
+    const contractFactory = await hardhat.ethers.getContractAt(
+      'UUPSUpgradeable',
+      '0x0000000000000000000000000000000000000000',
+    );
+    const upgradeToCalldata = contractFactory.interface.encodeFunctionData('upgradeTo', [newImplementation]);
+    console.log('upgradeTo calldata', upgradeToCalldata);
+  });
+
+task('encodeERC20Approve', 'Encode calldata for erc20 approve')
+  .addParam('spender', 'The spender address', undefined, types.string, false)
+  .addParam(
+    'amount',
+    'The approve amount',
+    '0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff',
+    types.string,
+    true,
+  )
+  .setAction(async (taskArgs, hardhat) => {
+    let spender = taskArgs.spender;
+    let amount = taskArgs.amount;
+    console.log('spender', spender);
+    console.log('approve amount', amount);
+
+    const contractFactory = await hardhat.ethers.getContractAt('IERC20', '0x0000000000000000000000000000000000000000');
+    const approveCalldata = contractFactory.interface.encodeFunctionData('approve', [spender, amount]);
+    console.log('approve calldata', approveCalldata);
+  });
+
+task('encodeOperation', 'Encode operation')
+  .addParam('target', 'The target address', undefined, types.string, false)
+  .addParam('value', 'The call value to target', undefined, types.int, false)
+  .addParam('data', 'The call data to target', undefined, types.string, false)
+  .addParam(
+    'predecessor',
+    'The predecessor of operation',
+    '0x0000000000000000000000000000000000000000000000000000000000000000',
+    types.string,
+    true,
+  )
+  .addParam(
+    'salt',
+    'The salt of operation',
+    '0x0000000000000000000000000000000000000000000000000000000000000000',
+    types.string,
+    true,
+  )
+  .addParam('delay', 'The delay', 0, types.int, true)
+  .setAction(async (taskArgs, hardhat) => {
+    let target = taskArgs.target;
+    let value = taskArgs.value;
+    let data = taskArgs.data;
+    let predecessor = taskArgs.predecessor;
+    let salt = taskArgs.salt;
+    let delay = taskArgs.delay;
+    console.log('target', target);
+    console.log('value', value);
+    console.log('data', data);
+    console.log('predecessor', predecessor);
+    console.log('salt', salt);
+    console.log('delay', delay);
+
+    const governanceAddr = readDeployContract(logName.DEPLOY_GOVERNANCE_LOG_PREFIX, logName.DEPLOY_LOG_GOVERNANCE);
+    if (!governanceAddr) {
+      console.log('governance address not found');
+      return;
+    }
+    console.log('governance', governanceAddr);
+    const governance = await hardhat.ethers.getContractAt('Governance', governanceAddr);
+    if (value > 0) {
+      const governanceBalance = await hardhat.ethers.provider.getBalance(governanceAddr);
+      console.log('governance balance', governanceBalance);
+      if (governanceBalance < value) {
+        console.log('insufficient balance for execute transaction, please transfer some eth to governance');
+        return;
+      }
+    }
+
+    const call = {
+      target,
+      value,
+      data,
+    };
+    const operation = {
+      calls: [call],
+      predecessor: predecessor,
+      salt: salt,
+    };
+
+    const scheduleTransparentCalldata = governance.interface.encodeFunctionData('scheduleTransparent', [
+      operation,
+      delay,
+    ]);
+    console.log('scheduleTransparentCalldata', scheduleTransparentCalldata);
+
+    const executeCalldata = governance.interface.encodeFunctionData('execute', [operation]);
+    console.log('executeCalldata', executeCalldata);
+  });
diff --git a/script/deploy_linea_l2_governance.js b/script/deploy_linea_l2_governance.js
new file mode 100644
index 0000000..0b59b1d
--- /dev/null
+++ b/script/deploy_linea_l2_governance.js
@@ -0,0 +1,80 @@
+const fs = require('fs');
+const {
+  verifyContractCode,
+  getDeployTx,
+  createOrGetDeployLog,
+  readDeployContract,
+  ChainContractDeployer,
+} = require('./utils');
+const logName = require('./deploy_log_name');
+const { zkLinkConfig } = require('./zklink_config');
+const { task, types } = require('hardhat/config');
+
+task('deployLineaL2Governance', 'Deploy linea l2 governance')
+  .addParam('skipVerify', 'Skip verify', false, types.boolean, true)
+  .setAction(async (taskArgs, hardhat) => {
+    let skipVerify = taskArgs.skipVerify;
+    console.log('skip verify contracts?', skipVerify);
+
+    const netName = process.env.NET;
+    if (!netName || !netName.startsWith('LINEA')) {
+      console.log('LineaL2Governance only can be deployed on linea');
+      return;
+    }
+    const chainInfo = zkLinkConfig[netName];
+    if (chainInfo === undefined) {
+      console.log('current net not support');
+      return;
+    }
+    const l2GatewayInfo = chainInfo.l2Gateway;
+    if (l2GatewayInfo === undefined) {
+      console.log('l2 gateway config not exist');
+      return;
+    }
+    const messageServiceAddr = l2GatewayInfo['constructParams'][0];
+    console.log('l2 message service address', messageServiceAddr);
+    const l1GatewayInfo = chainInfo.l1Gateway;
+    if (l1GatewayInfo === undefined) {
+      console.log('l1 gateway config not exist');
+      return;
+    }
+    const l1NetName = l1GatewayInfo.netName;
+    const l1GovernanceAddr = readDeployContract(
+      logName.DEPLOY_GOVERNANCE_LOG_PREFIX,
+      logName.DEPLOY_LOG_GOVERNANCE,
+      l1NetName,
+    );
+    if (l1GovernanceAddr === undefined) {
+      console.log('l1 governance not exist');
+      return;
+    }
+    console.log('l1 governance', l1GovernanceAddr);
+
+    const { deployLogPath, deployLog } = createOrGetDeployLog(logName.DEPLOY_LINEA_L2_GOVERNANCE_LOG_PREFIX);
+    const contractDeployer = new ChainContractDeployer(hardhat);
+    await contractDeployer.init();
+
+    // deploy governance
+    let governanceAddr;
+    const allConstructParams = [messageServiceAddr, l1GovernanceAddr];
+    if (!(logName.DEPLOY_LOG_GOVERNANCE in deployLog)) {
+      console.log('deploy governance...');
+      const contract = await contractDeployer.deployContract('LineaL2Governance', allConstructParams);
+      const transaction = await getDeployTx(contract);
+      governanceAddr = await contract.getAddress();
+      deployLog[logName.DEPLOY_LOG_GOVERNANCE] = governanceAddr;
+      deployLog[logName.DEPLOY_LOG_DEPLOY_TX_HASH] = transaction.hash;
+      deployLog[logName.DEPLOY_LOG_DEPLOY_BLOCK_NUMBER] = transaction.blockNumber;
+      fs.writeFileSync(deployLogPath, JSON.stringify(deployLog, null, 2));
+    } else {
+      governanceAddr = deployLog[logName.DEPLOY_LOG_GOVERNANCE];
+    }
+    console.log('linea l2 governance', governanceAddr);
+
+    // verify governance
+    if (!(logName.DEPLOY_LOG_GOVERNANCE_VERIFIED in deployLog) && !skipVerify) {
+      await verifyContractCode(hardhat, governanceAddr, allConstructParams);
+      deployLog[logName.DEPLOY_LOG_GOVERNANCE_VERIFIED] = true;
+      fs.writeFileSync(deployLogPath, JSON.stringify(deployLog, null, 2));
+    }
+  });
diff --git a/script/deploy_log_name.js b/script/deploy_log_name.js
index 581a3f9..f1ac348 100644
--- a/script/deploy_log_name.js
+++ b/script/deploy_log_name.js
@@ -33,6 +33,14 @@ const DEPLOY_LOG_ARBITRATOR_VERIFIED = 'arbitratorVerified';
 const DEPLOY_LOG_ARBITRATOR_TARGET = 'arbitratorTarget';
 const DEPLOY_LOG_ARBITRATOR_TARGET_VERIFIED = 'arbitratorTargetVerified';
 
+// consumed in deploy_governance.js
+const DEPLOY_GOVERNANCE_LOG_PREFIX = 'deploy_governance';
+const DEPLOY_LOG_GOVERNANCE = 'governance';
+const DEPLOY_LOG_GOVERNANCE_VERIFIED = 'governanceVerified';
+
+// consumed in deploy_linea_l2_governance.js
+const DEPLOY_LINEA_L2_GOVERNANCE_LOG_PREFIX = 'deploy_linea_l2_governance';
+
 module.exports = {
   DEPLOY_ZKLINK_LOG_PREFIX,
   DEPLOY_LOG_DEPLOYER,
@@ -61,4 +69,8 @@ module.exports = {
   DEPLOY_ERC20_BRIDGE_VERIFIED,
   DEPLOY_ERC20_BRIDGE_TARGET,
   DEPLOY_ERC20_BRIDGE_TARGET_VERIFIED,
+  DEPLOY_GOVERNANCE_LOG_PREFIX,
+  DEPLOY_LOG_GOVERNANCE,
+  DEPLOY_LOG_GOVERNANCE_VERIFIED,
+  DEPLOY_LINEA_L2_GOVERNANCE_LOG_PREFIX,
 };
diff --git a/script/deploy_zklink.js b/script/deploy_zklink.js
index 18c8f59..05e9581 100644
--- a/script/deploy_zklink.js
+++ b/script/deploy_zklink.js
@@ -139,6 +139,50 @@ task('upgradeZkLink', 'Upgrade zkLink')
     }
   });
 
+task('deployZkLinkTarget', 'Deploy zkLink target')
+  .addOptionalParam('skipVerify', 'Skip verify', false, types.boolean)
+  .addOptionalParam('dummy', 'Deploy dummy contract for test', false, types.boolean)
+  .setAction(async (taskArgs, hardhat) => {
+    let skipVerify = taskArgs.skipVerify;
+    let dummy = taskArgs.dummy;
+    console.log('skip verify contracts?', skipVerify);
+    console.log('deploy dummy contracts?', dummy);
+
+    const netName = process.env.NET;
+    const chainInfo = zkLinkConfig[netName];
+    if (chainInfo === undefined) {
+      console.log('current net not support');
+      return;
+    }
+    const isEthGasToken = chainInfo.eth;
+    console.log(`is eth the gas token of ${netName}?`, isEthGasToken);
+
+    const contractDeployer = new ChainContractDeployer(hardhat);
+    await contractDeployer.init();
+
+    const { deployLogPath, deployLog } = createOrGetDeployLog(logName.DEPLOY_ZKLINK_LOG_PREFIX);
+
+    // deploy zkLink target
+    let zkLinkTargetAddr;
+    console.log('deploy zkLink target...');
+    const contractName = getZkLinkContractName(dummy);
+    const contract = await contractDeployer.deployContract(contractName, [isEthGasToken]);
+    const transaction = await getDeployTx(contract);
+    console.log('deploy tx hash', transaction.hash);
+    zkLinkTargetAddr = await contract.getAddress();
+    console.log('zkLink target', zkLinkTargetAddr);
+    deployLog[logName.DEPLOY_LOG_ZKLINK_IS_ETH_GAS_TOKEN] = isEthGasToken;
+    deployLog[logName.DEPLOY_LOG_ZKLINK_TARGET] = zkLinkTargetAddr;
+    fs.writeFileSync(deployLogPath, JSON.stringify(deployLog, null, 2));
+
+    // verify target contract
+    if (!skipVerify) {
+      await verifyContractCode(hardhat, zkLinkTargetAddr, [isEthGasToken]);
+      deployLog[logName.DEPLOY_LOG_ZKLINK_TARGET_VERIFIED] = true;
+      fs.writeFileSync(deployLogPath, JSON.stringify(deployLog, null, 2));
+    }
+  });
+
 task('setGateway', 'Set gateway for zkLink').setAction(async (taskArgs, hardhat) => {
   const l2GatewayAddr = readDeployContract(logName.DEPLOY_L2_GATEWAY_LOG_PREFIX, logName.DEPLOY_GATEWAY);
   if (l2GatewayAddr === undefined) {