diff --git a/examples/blast/scripts/changeFeeParams.js b/examples/blast/scripts/changeFeeParams.js
index 17f0afd..f7ca28e 100644
--- a/examples/blast/scripts/changeFeeParams.js
+++ b/examples/blast/scripts/changeFeeParams.js
@@ -4,6 +4,7 @@ const { readDeployContract, getLogName } = require('../../../script/utils');
 const logName = require('../../../script/deploy_log_name');
 const { L1_MAINNET_CONTRACTS, L1_TESTNET_CONTRACTS } = require('./constants');
 const { task } = require('hardhat/config');
+const { INIT_FEE_PARAMS } = require('../../../script/zksync_era');
 require('dotenv').config();
 
 task('changeFeeParams', 'Change fee params for zkLink').setAction(async (taskArgs, hre) => {
@@ -77,7 +78,6 @@ task('changeFeeParams', 'Change fee params for zkLink').setAction(async (taskArg
 
   // pre-execution calldata
   const zkLink = await hre.ethers.getContractAt('ZkLink', zkLinkAddr, l2Wallet);
-  const { INIT_FEE_PARAMS } = require('../../../script/zksync_era');
   const executeCalldata = zkLink.interface.encodeFunctionData('changeFeeParams', [INIT_FEE_PARAMS]);
   const gateway = await hre.ethers.getContractAt('OptimismGateway', blastL1GatewayAddr, l1Wallet);
   const sendData = gateway.interface.encodeFunctionData('claimMessageCallback', [0, executeCalldata]);
@@ -106,3 +106,56 @@ task('changeFeeParams', 'Change fee params for zkLink').setAction(async (taskArg
   console.log('Done');
   // Waiting for the official blast bridge to forward the message to L2
 });
+
+task('encodeChangeFeeParams', 'Get the calldata of changing fee params for zkLink').setAction(async (taskArgs, hre) => {
+  const blastName = process.env.BLAST;
+  const ethereumName = process.env.ETHEREUM;
+  const l1GatewayLogName = getLogName(logName.DEPLOY_L1_GATEWAY_LOG_PREFIX, blastName);
+  const blastL1GatewayAddr = readDeployContract(l1GatewayLogName, logName.DEPLOY_GATEWAY, ethereumName);
+  if (blastL1GatewayAddr === undefined) {
+    console.log('blast l1 gateway address not exist');
+    return;
+  }
+  console.log(`The blast l1 gateway address: ${blastL1GatewayAddr}`);
+
+  const zkLinkFactory = await hre.ethers.getContractFactory('ZkLink');
+  const executeCalldata = zkLinkFactory.interface.encodeFunctionData('changeFeeParams', [INIT_FEE_PARAMS]);
+  const gatewayFactory = await hre.ethers.getContractFactory('OptimismGateway');
+  const sendData = gatewayFactory.interface.encodeFunctionData('claimMessageCallback', [0, executeCalldata]);
+
+  const l1Provider = new ethers.providers.StaticJsonRpcProvider(process.env.L1RPC);
+  const l2Provider = new ethers.providers.StaticJsonRpcProvider(process.env.L2RPC);
+  const messengerL1Contracts = ethereumName !== 'ETHEREUM' ? L1_TESTNET_CONTRACTS : L1_MAINNET_CONTRACTS;
+  const messenger = new blast.CrossChainMessenger({
+    l1ChainId: (await l1Provider.getNetwork()).chainId, // 11155111 for Sepolia, 1 for Ethereum
+    l2ChainId: (await l2Provider.getNetwork()).chainId, // 168587773 for Blast Testnet, 81457 for Blast Mainnet
+    l1SignerOrProvider: l1Provider,
+    l2SignerOrProvider: l2Provider,
+    bedrock: false,
+    bridges: {
+      Standard: {
+        Adapter: blast.StandardBridgeAdapter,
+        l1Bridge: messengerL1Contracts.L1StandardBridge,
+        l2Bridge: '0x4200000000000000000000000000000000000010',
+      },
+    },
+    contracts: {
+      l1: messengerL1Contracts,
+    },
+  });
+
+  const gasLimit = await messenger.estimateGas.sendMessage({
+    direction: 0, // L1_TO_L2, Estimating the Gas Required on L2
+    target: blastL1GatewayAddr,
+    message: sendData,
+  });
+  console.log(`The gas limit: ${gasLimit}`);
+  const adapterParams = ethers.utils.defaultAbiCoder.encode(['uint256'], [gasLimit]);
+  const arbitratorFactory = await hre.ethers.getContractFactory('Arbitrator');
+  const calldata = arbitratorFactory.interface.encodeFunctionData('changeFeeParams', [
+    blastL1GatewayAddr,
+    INIT_FEE_PARAMS,
+    adapterParams,
+  ]);
+  console.log(`The changeFeeParams calldata: ${calldata}`);
+});
diff --git a/examples/blast/scripts/setValidator.js b/examples/blast/scripts/setValidator.js
index b99e448..4429310 100644
--- a/examples/blast/scripts/setValidator.js
+++ b/examples/blast/scripts/setValidator.js
@@ -110,3 +110,64 @@ task('setValidator', 'Set validator for zkLink')
     console.log('Done');
     // Waiting for the official blast bridge to forward the message to L2
   });
+
+task('encodeSetValidator', 'Get the calldata of set validator for zkLink')
+  .addParam('validator', 'Validator Address', undefined, types.string)
+  .addOptionalParam('active', 'Whether to activate the validator address', true, types.boolean)
+  .setAction(async (taskArgs, hre) => {
+    const validatorAddr = taskArgs.validator;
+    const isActive = taskArgs.active;
+    console.log(`The validator: address: ${validatorAddr}, active: ${isActive}`);
+
+    const blastName = process.env.BLAST;
+    const ethereumName = process.env.ETHEREUM;
+    const l1GatewayLogName = getLogName(logName.DEPLOY_L1_GATEWAY_LOG_PREFIX, blastName);
+    const blastL1GatewayAddr = readDeployContract(l1GatewayLogName, logName.DEPLOY_GATEWAY, ethereumName);
+    if (blastL1GatewayAddr === undefined) {
+      console.log('blast l1 gateway address not exist');
+      return;
+    }
+    console.log(`The blast l1 gateway address: ${blastL1GatewayAddr}`);
+
+    const zkLinkFactory = await hre.ethers.getContractFactory('ZkLink');
+    const executeCalldata = zkLinkFactory.interface.encodeFunctionData('setValidator', [validatorAddr, isActive]);
+    const gatewayFactory = await hre.ethers.getContractFactory('OptimismGateway');
+    const sendData = gatewayFactory.interface.encodeFunctionData('claimMessageCallback', [0, executeCalldata]);
+
+    const l1Provider = new ethers.providers.StaticJsonRpcProvider(process.env.L1RPC);
+    const l2Provider = new ethers.providers.StaticJsonRpcProvider(process.env.L2RPC);
+    const messengerL1Contracts = ethereumName !== 'ETHEREUM' ? L1_TESTNET_CONTRACTS : L1_MAINNET_CONTRACTS;
+    const messenger = new blast.CrossChainMessenger({
+      l1ChainId: (await l1Provider.getNetwork()).chainId, // 11155111 for Sepolia, 1 for Ethereum
+      l2ChainId: (await l2Provider.getNetwork()).chainId, // 168587773 for Blast Testnet, 81457 for Blast Mainnet
+      l1SignerOrProvider: l1Provider,
+      l2SignerOrProvider: l2Provider,
+      bedrock: false,
+      bridges: {
+        Standard: {
+          Adapter: blast.StandardBridgeAdapter,
+          l1Bridge: messengerL1Contracts.L1StandardBridge,
+          l2Bridge: '0x4200000000000000000000000000000000000010',
+        },
+      },
+      contracts: {
+        l1: messengerL1Contracts,
+      },
+    });
+
+    const gasLimit = await messenger.estimateGas.sendMessage({
+      direction: 0, // L1_TO_L2, Estimating the Gas Required on L2
+      target: blastL1GatewayAddr,
+      message: sendData,
+    });
+    console.log(`The gas limit: ${gasLimit}`);
+    const adapterParams = ethers.utils.defaultAbiCoder.encode(['uint256'], [gasLimit]);
+    const arbitratorFactory = await hre.ethers.getContractFactory('Arbitrator');
+    const calldata = arbitratorFactory.interface.encodeFunctionData('setValidator', [
+      blastL1GatewayAddr,
+      validatorAddr,
+      isActive,
+      adapterParams,
+    ]);
+    console.log(`The changeFeeParams calldata: ${calldata}`);
+  });
diff --git a/examples/linea/scripts/setSecondaryGateway.js b/examples/linea/scripts/setSecondaryGateway.js
index 6c6e5d1..18a60fa 100644
--- a/examples/linea/scripts/setSecondaryGateway.js
+++ b/examples/linea/scripts/setSecondaryGateway.js
@@ -10,7 +10,7 @@ function sleep(ms) {
   return new Promise(resolve => setTimeout(resolve, ms));
 }
 
-task('setSecondaryGateway', 'Send secondary gateway')
+task('setSecondaryGateway', 'Set secondary gateway')
   .addOptionalParam(
     'arbitrator',
     'The arbitrator address (default get from arbitrator deploy log)',
@@ -113,3 +113,43 @@ task('setSecondaryGateway', 'Send secondary gateway')
     }
     console.log('Done');
   });
+
+task('encodeSetSecondaryGateway', 'Get the calldata of set secondary gateway')
+  .addParam('targetNetwork', 'L2 network name', undefined, types.string, false)
+  .addOptionalParam('active', 'Enable the gateway?', true, types.boolean)
+  .setAction(async (taskArgs, hre) => {
+    const ethereumName = process.env.ETHEREUM;
+    const lineaName = process.env.LINEA;
+    console.log(`Ethereum net name: ${ethereumName}`);
+    console.log(`Linea net name: ${lineaName}`);
+
+    let targetNetwork = taskArgs.targetNetwork;
+    const active = taskArgs.active;
+    console.log(`Enable the gateway? ${active}`);
+    if (targetNetwork === lineaName) {
+      console.log('Can not set for primary chain');
+      return;
+    }
+
+    let l1GatewayAddr;
+    if (targetNetwork === ethereumName) {
+      l1GatewayAddr = readDeployContract(logName.DEPLOY_ETH_GATEWAY_LOG_PREFIX, logName.DEPLOY_GATEWAY, ethereumName);
+    } else {
+      const l1GatewayLogName = getLogName(logName.DEPLOY_L1_GATEWAY_LOG_PREFIX, targetNetwork);
+      l1GatewayAddr = readDeployContract(l1GatewayLogName, logName.DEPLOY_GATEWAY, ethereumName);
+    }
+    if (l1GatewayAddr === undefined) {
+      console.log('L1 gateway address not found');
+      return;
+    }
+    console.log(`The secondary chain l1 gateway address: ${l1GatewayAddr}`);
+
+    const arbitratorFactory = await hre.ethers.getContractFactory('Arbitrator');
+    const adapterParams = '0x';
+    const calldata = arbitratorFactory.interface.encodeFunctionData('setSecondaryChainGateway', [
+      l1GatewayAddr,
+      active,
+      adapterParams,
+    ]);
+    console.log(`The setSecondaryChainGateway calldata: ${calldata}`);
+  });