diff --git a/.eslintrc.js b/.eslintrc.js
index d74f75c6e4..696b0f31f9 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -25,10 +25,12 @@ module.exports = {
     'out',
     'generated',
     'templates',
-    'grow-rooch-v1',
+    'infra',
     'dist',
+    'third_party',
     'coverage',
     'next-env.d.ts',
+    'examples',
   ],
   rules: {
     'no-case-declarations': 'off',
diff --git a/.prettierignore b/.prettierignore
index ea515489bd..c19973d659 100644
--- a/.prettierignore
+++ b/.prettierignore
@@ -8,7 +8,7 @@
 !/*.js
 
 # ignore generated files
-grow-rooch-v1
+infra
 .vscode
 .next
 node_modules
@@ -21,3 +21,5 @@ dist
 generated
 generator
 templates
+third_party
+examples
diff --git a/sdk/typescript/rooch-sdk-kit/package.json b/sdk/typescript/rooch-sdk-kit/package.json
index 64904f058a..e8dff05598 100644
--- a/sdk/typescript/rooch-sdk-kit/package.json
+++ b/sdk/typescript/rooch-sdk-kit/package.json
@@ -1,7 +1,7 @@
 {
 	"name": "@roochnetwork/rooch-sdk-kit",
 	"author": "Rooch.network <opensource@rooch.network>",
-	"version": "0.3.0",
+	"version": "0.3.1",
 	"description": "Rooch SDK Kit",
 	"license": "Apache-2.0",
 	"engines": {
diff --git a/sdk/typescript/rooch-sdk-kit/src/components/DropdownMenu.tsx b/sdk/typescript/rooch-sdk-kit/src/components/DropdownMenu.tsx
index a30cf52d30..886435e20d 100644
--- a/sdk/typescript/rooch-sdk-kit/src/components/DropdownMenu.tsx
+++ b/sdk/typescript/rooch-sdk-kit/src/components/DropdownMenu.tsx
@@ -151,7 +151,13 @@ export function ActionDropdownMenu() {
               <DropdownMenu.Item
                 className={clsx(styles.menuItem, styles.switchMenuItem)}
                 onSelect={() => {
-                  window.localStorage.clear()
+                  const prefix = 'rooch-sdk-kit'
+
+                  Object.keys(localStorage).forEach((key) => {
+                    if (key.startsWith(prefix)) {
+                      localStorage.removeItem(key)
+                    }
+                  })
                   window.location.reload()
                 }}
               >
diff --git a/sdk/typescript/rooch-sdk-kit/src/components/WalletGuard.tsx b/sdk/typescript/rooch-sdk-kit/src/components/WalletGuard.tsx
index a8c71d33c8..f59b0ba5cb 100644
--- a/sdk/typescript/rooch-sdk-kit/src/components/WalletGuard.tsx
+++ b/sdk/typescript/rooch-sdk-kit/src/components/WalletGuard.tsx
@@ -12,10 +12,10 @@ type ConnectButtonProps = {
 } & ButtonHTMLAttributes<HTMLButtonElement>
 
 export function WalletGuard({ children, onClick }: ConnectButtonProps) {
-  const { wallet } = useCurrentWallet()
+  const { status } = useCurrentWallet()
   return (
     <>
-      {wallet ? (
+      {status === 'connected' ? (
         <button
           style={{
             all: 'unset',
diff --git a/sdk/typescript/rooch-sdk/README.md b/sdk/typescript/rooch-sdk/README.md
index 0392f7d585..091a53fc5a 100644
--- a/sdk/typescript/rooch-sdk/README.md
+++ b/sdk/typescript/rooch-sdk/README.md
@@ -84,7 +84,7 @@ const client = new RoochClient({
 const tx = new Transaction()
 tx.callFunction({
   target: '0x3::empty::empty_with_signer',
-  maxGas: 100000000 // 1RGas, DEFAULT_GAS 50000000 = 0.5RGas
+  maxGas: 100000000, // 1RGas, DEFAULT_GAS 50000000 = 0.5RGas
 })
 
 const result = await client.signAndExecuteTransaction({
diff --git a/sdk/typescript/rooch-sdk/package.json b/sdk/typescript/rooch-sdk/package.json
index 183ada299d..0d6e3386d6 100644
--- a/sdk/typescript/rooch-sdk/package.json
+++ b/sdk/typescript/rooch-sdk/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@roochnetwork/rooch-sdk",
   "author": "Rooch.network <opensource@rooch.network>",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "Rooch SDK",
   "license": "Apache-2.0",
   "engines": {
diff --git a/sdk/typescript/rooch-sdk/scripts/gen.ts b/sdk/typescript/rooch-sdk/scripts/gen.ts
index 79c8da047c..3c7163b820 100644
--- a/sdk/typescript/rooch-sdk/scripts/gen.ts
+++ b/sdk/typescript/rooch-sdk/scripts/gen.ts
@@ -75,6 +75,14 @@ const options: {
     //   },
     //   flattenParams: ['function_call']
     // },
+    rooch_getObjectStates: {
+      params: {
+        object_ids: {
+          alias: 'ids',
+          typeAlias: 'string[]',
+        },
+      },
+    },
     rooch_getBalance: {
       params: {
         account_addr: {
diff --git a/sdk/typescript/rooch-sdk/src/address/util.ts b/sdk/typescript/rooch-sdk/src/address/util.ts
index d47ca6d3d4..ef36bf737f 100644
--- a/sdk/typescript/rooch-sdk/src/address/util.ts
+++ b/sdk/typescript/rooch-sdk/src/address/util.ts
@@ -40,13 +40,16 @@ export function decodeToRoochAddressStr(input: address): string {
 }
 
 export function decodeToPackageAddressStr(input: address): string {
-  const packageAddressStr = decodeToRoochAddressStr(input);
-  if (packageAddressStr.length === ROOCH_ADDRESS_LENGTH * 2){
-    return packageAddressStr;
+  const packageAddressStr = decodeToRoochAddressStr(input)
+  if (packageAddressStr.length === ROOCH_ADDRESS_LENGTH * 2) {
+    return packageAddressStr
   }
 
-  if (packageAddressStr.length === ROOCH_ADDRESS_LENGTH * 2 + 2 && packageAddressStr.startsWith('0x')){
-    return packageAddressStr.slice(2);
+  if (
+    packageAddressStr.length === ROOCH_ADDRESS_LENGTH * 2 + 2 &&
+    packageAddressStr.startsWith('0x')
+  ) {
+    return packageAddressStr.slice(2)
   }
 
   throw Error('Invalid Address')
diff --git a/sdk/typescript/rooch-sdk/src/client/client.ts b/sdk/typescript/rooch-sdk/src/client/client.ts
index 6f80e70fab..c58c14ee40 100644
--- a/sdk/typescript/rooch-sdk/src/client/client.ts
+++ b/sdk/typescript/rooch-sdk/src/client/client.ts
@@ -51,9 +51,22 @@ import {
   ModuleABIView,
   GetModuleABIParams,
   BroadcastTXParams,
+  GetObjectStatesParams,
+  GetFieldStatesParams,
+  ListFieldStatesParams,
+  GetTransactionsByHashParams,
+  TransactionWithInfoView,
+  GetTransactionsByOrderParams,
+  RepairIndexerParams,
+  SyncStatesParams,
+  PaginatedStateChangeSetWithTxOrderViews,
+  DryRunRawTransactionParams,
+  DryRunTransactionResponseView,
 } from './types/index.js'
 import { fixedBalance } from '../utils/balance.js'
 
+const DEFAULT_GAS = 50000000
+
 /**
  * Configuration options for the RoochClient
  * You must provide either a `url` or a `transport`
@@ -132,6 +145,13 @@ export class RoochClient {
     })
   }
 
+  async dryrun(input: DryRunRawTransactionParams): Promise<DryRunTransactionResponseView> {
+    return await this.transport.request({
+      method: 'rooch_dryRunRawTransaction',
+      params: [input.txBcsHex],
+    })
+  }
+
   async signAndExecuteTransaction({
     transaction,
     signer,
@@ -153,6 +173,20 @@ export class RoochClient {
       transaction.setSeqNumber(await this.getSequenceNumber(sender))
       transaction.setSender(sender)
 
+      // need dry_run
+      if (!transaction.getMaxGas()) {
+        transaction.setMaxGas(DEFAULT_GAS)
+        // const s = transaction.encodeData().toHex()
+        // const result = await this.dryrun({ txBcsHex: s })
+        //
+        // if (result.raw_output.status.type === 'executed') {
+        //   transaction.setMaxGas(Math.ceil(Number(result.raw_output.gas_used) * 100))
+        // } else {
+        //   // TODO: abort?
+        //   throw Error(result.raw_output.status.type)
+        // }
+      }
+
       const auth = await signer.signTransaction(transaction)
 
       transaction.setAuth(auth)
@@ -166,6 +200,24 @@ export class RoochClient {
     })
   }
 
+  async repairIndexer(input: RepairIndexerParams) {
+    await this.transport.request({
+      method: 'rooch_repairIndexer',
+      params: [input.repairType, input.repairParams],
+    })
+  }
+
+  async syncStates(input: SyncStatesParams): Promise<PaginatedStateChangeSetWithTxOrderViews> {
+    const opt = input.queryOption || {
+      decode: true,
+      showDisplay: true,
+    }
+    return await this.transport.request({
+      method: 'rooch_repairIndexer',
+      params: [input.filter, input.cursor, input.limit, opt],
+    })
+  }
+
   // Get the states by access_path
   async getStates(input: GetStatesParams): Promise<ObjectStateView[]> {
     const opt = input.stateOption || {
@@ -198,6 +250,7 @@ export class RoochClient {
       params: [input.moduleAddr, input.moduleName],
     })
   }
+
   async getEvents(input: GetEventsByEventHandleParams): Promise<PaginatedEventViews> {
     const opt = input.eventOptions || {
       decode: true,
@@ -207,7 +260,7 @@ export class RoochClient {
       params: [input.eventHandleType, input.cursor, input.limit, input.descendingOrder, opt],
     })
   }
-  // curl -H "Content-Type: application/json" -X POST --data '{"jsonrpc":"2.0","method":"rooch_getEventsByEventHandle","params":["0x488e11bd0086861e110586909fd72c8142506f6fc636982051271a694bf5b0ed::event_test::WithdrawEvent", null, "1", null, {"decode":true}],"id":1}' http://127.0.0.1:6767 | jq
+
   async queryEvents(input: QueryEventsParams): Promise<PaginatedIndexerEventViews> {
     if ('sender' in input.filter) {
       if (input.filter.sender === '') {
@@ -231,7 +284,6 @@ export class RoochClient {
     })
   }
 
-  // Query the Inscription via global index by Inscription filter
   async queryInscriptions(input: QueryInscriptionsParams): Promise<PaginatedInscriptionStateViews> {
     if (typeof input.filter !== 'string' && 'owner' in input.filter) {
       if (input.filter.owner === '') {
@@ -263,6 +315,42 @@ export class RoochClient {
     })
   }
 
+  async getObjectStates(input: GetObjectStatesParams): Promise<ObjectStateView[]> {
+    const idsStr = input.ids.join(',')
+    const opt = input.stateOption || {
+      decode: true,
+      showDisplay: true,
+    }
+    return this.transport.request({
+      method: 'rooch_getObjectStates',
+      params: [idsStr, opt],
+    })
+  }
+
+  async getFieldStates(input: GetFieldStatesParams): Promise<ObjectStateView[]> {
+    const opt = input.stateOption || {
+      decode: true,
+      showDisplay: true,
+    }
+
+    return this.transport.request({
+      method: 'rooch_getFieldStates',
+      params: [input.objectId, input.fieldKey, opt],
+    })
+  }
+
+  async listFieldStates(input: ListFieldStatesParams): Promise<PaginatedStateKVViews> {
+    const opt = input.stateOption || {
+      decode: true,
+      showDisplay: true,
+    }
+
+    return this.transport.request({
+      method: 'rooch_getFieldStates',
+      params: [input.objectId, input.cursor, input.limit, opt],
+    })
+  }
+
   async queryObjectStates(
     input: QueryObjectStatesParams,
   ): Promise<PaginatedIndexerObjectStateViews> {
@@ -288,6 +376,24 @@ export class RoochClient {
     })
   }
 
+  async getTransactionsByHash(
+    input: GetTransactionsByHashParams,
+  ): Promise<TransactionWithInfoView> {
+    return this.transport.request({
+      method: 'rooch_getTransactionsByHash',
+      params: [input.txHashes],
+    })
+  }
+
+  async getTransactionsByOrder(
+    input: GetTransactionsByOrderParams,
+  ): Promise<PaginatedTransactionWithInfoViews> {
+    return this.transport.request({
+      method: 'rooch_queryTransactions',
+      params: [input.cursor, input.limit, input.descendingOrder],
+    })
+  }
+
   async queryTransactions(
     input: QueryTransactionsParams,
   ): Promise<PaginatedTransactionWithInfoViews> {
@@ -463,41 +569,36 @@ export class RoochClient {
     package_address,
     limit,
     cursor,
-  }:{
+  }: {
     package_address: address
   } & PaginationArguments<string>): Promise<Map<string, string>> {
-    const packageObjectID = `0x14481947570f6c2f50d190f9a13bf549ab2f0c9debc41296cd4d506002379659${decodeToPackageAddressStr(package_address)}`;
+    const packageObjectID = `0x14481947570f6c2f50d190f9a13bf549ab2f0c9debc41296cd4d506002379659${decodeToPackageAddressStr(package_address)}`
     const result = await this.transport.request({
       method: 'rooch_listFieldStates',
-      params: [
-        packageObjectID,
-        cursor,
-        limit,
-        { decode: true },
-      ],
-    });
+      params: [packageObjectID, cursor, limit, { decode: true }],
+    })
 
     const moduleInfo = result as unknown as ObjectStateView[]
-    const moduleMap = new Map<string, string>();
+    const moduleMap = new Map<string, string>()
 
     if (moduleInfo && typeof moduleInfo === 'object' && 'data' in moduleInfo) {
-      const { data } = moduleInfo;
+      const { data } = moduleInfo
       if (Array.isArray(data)) {
         for (const item of data) {
-          const decodedValue = item?.state?.decoded_value;
+          const decodedValue = item?.state?.decoded_value
 
           if (decodedValue) {
-            const name = decodedValue?.value?.name;
-            const byte_codes = decodedValue?.value?.value?.value?.byte_codes;
+            const name = decodedValue?.value?.name
+            const byte_codes = decodedValue?.value?.value?.value?.byte_codes
             if (name && byte_codes) {
-              moduleMap.set(name, byte_codes);
+              moduleMap.set(name, byte_codes)
             }
           }
         }
       }
     }
 
-    return moduleMap;
+    return moduleMap
   }
 
   async getSessionKeys({
diff --git a/sdk/typescript/rooch-sdk/src/client/types/generated.ts b/sdk/typescript/rooch-sdk/src/client/types/generated.ts
index 11e82fe01b..90b3b30518 100644
--- a/sdk/typescript/rooch-sdk/src/client/types/generated.ts
+++ b/sdk/typescript/rooch-sdk/src/client/types/generated.ts
@@ -73,6 +73,7 @@ export interface BlockHeightHashView {
   block_height: string
 }
 export interface DAInfoView {
+  avail_backends: [string, string][]
   last_avail_block_number?: string | null
   last_avail_block_update_time?: string | null
   last_avail_tx_order?: string | null
diff --git a/sdk/typescript/rooch-sdk/src/client/types/params.ts b/sdk/typescript/rooch-sdk/src/client/types/params.ts
index ddf4702c95..fb4c1def81 100644
--- a/sdk/typescript/rooch-sdk/src/client/types/params.ts
+++ b/sdk/typescript/rooch-sdk/src/client/types/params.ts
@@ -80,7 +80,7 @@ export interface GetModuleABIParams {
 }
 /** Get object states by object id */
 export interface GetObjectStatesParams {
-  objectIds: string
+  ids: string[]
   stateOption?: RpcTypes.StateOptions | null | undefined
 }
 /**
diff --git a/sdk/typescript/rooch-sdk/src/transactions/transaction.test.ts b/sdk/typescript/rooch-sdk/src/transactions/transaction.test.ts
index aa476d229f..7820661341 100644
--- a/sdk/typescript/rooch-sdk/src/transactions/transaction.test.ts
+++ b/sdk/typescript/rooch-sdk/src/transactions/transaction.test.ts
@@ -21,6 +21,7 @@ describe('Transactions', () => {
     tx.setSender(signer.getRoochAddress().toHexAddress())
     tx.setSeqNumber(BigInt(0))
     tx.setChainId(BigInt(4))
+    tx.setMaxGas(1)
 
     const auth = await signer.signTransaction(tx)
 
diff --git a/sdk/typescript/rooch-sdk/src/transactions/transaction.ts b/sdk/typescript/rooch-sdk/src/transactions/transaction.ts
index 8ccfba3225..c60c77251a 100644
--- a/sdk/typescript/rooch-sdk/src/transactions/transaction.ts
+++ b/sdk/typescript/rooch-sdk/src/transactions/transaction.ts
@@ -29,9 +29,14 @@ export class Transaction {
     return this.info
   }
 
+  getMaxGas() {
+    return this.getData().maxGas
+  }
+
   setMaxGas(input: number) {
     this.getData().maxGas = BigInt(input)
   }
+
   setSender(input: address) {
     this.getData().sender = input
   }
@@ -52,9 +57,13 @@ export class Transaction {
     return this.getData().hash()
   }
 
+  encodeData() {
+    return this.data!.encode()
+  }
+
   encode() {
     return bcs.RoochTransaction.serialize({
-      data: this.data!.encode(),
+      data: this.data!.encode().toBytes(),
       auth: this.auth!.encode(),
     })
   }
diff --git a/sdk/typescript/rooch-sdk/src/transactions/transactionData.ts b/sdk/typescript/rooch-sdk/src/transactions/transactionData.ts
index cc5119e42a..230c79222b 100644
--- a/sdk/typescript/rooch-sdk/src/transactions/transactionData.ts
+++ b/sdk/typescript/rooch-sdk/src/transactions/transactionData.ts
@@ -7,8 +7,6 @@ import { Args, bcs, Serializer } from '../bcs/index.js'
 import { address, Bytes, identifier, u8, u64 } from '../types/index.js'
 import { CallFunctionArgs, CallScript } from './types.js'
 
-const DEFAULT_GAS = BigInt(50000000)
-
 export class CallFunction {
   address: string
   module: identifier
@@ -69,7 +67,7 @@ export class TransactionData {
   sender?: address
   sequenceNumber?: u64
   chainId?: u64
-  maxGas: u64
+  maxGas?: u64
   action: MoveAction
 
   constructor(
@@ -83,17 +81,17 @@ export class TransactionData {
     this.sequenceNumber = sequenceNumber
     this.chainId = chainId
     this.action = action
-    this.maxGas = maxGas || DEFAULT_GAS
+    this.maxGas = maxGas
   }
 
-  encode(): Bytes {
+  encode() {
     const call = this.action.val as CallFunction
 
     return bcs.RoochTransactionData.serialize({
       sender: this.sender!,
       sequenceNumber: this.sequenceNumber!,
       chainId: this.chainId!,
-      maxGas: this.maxGas,
+      maxGas: this.maxGas!,
       action: {
         kind: 'CallFunction',
         functionId: {
@@ -106,10 +104,10 @@ export class TransactionData {
         args: Array.from(call.encodeArgsToByteArrays()),
         typeArgs: call.typeArgs,
       },
-    }).toBytes()
+    })
   }
 
   hash(): Bytes {
-    return sha3_256(this.encode())
+    return sha3_256(this.encode().toBytes())
   }
 }
diff --git a/sdk/typescript/rooch-sdk/src/version.ts b/sdk/typescript/rooch-sdk/src/version.ts
index 95c8de6151..499c4da15e 100644
--- a/sdk/typescript/rooch-sdk/src/version.ts
+++ b/sdk/typescript/rooch-sdk/src/version.ts
@@ -3,5 +3,5 @@
 
 // This file is generated by genversion.mjs. Do not edit it directly.
 
-export const PACKAGE_VERSION = '0.3.0'
+export const PACKAGE_VERSION = '0.3.1'
 export const TARGETED_RPC_VERSION = '0.8.9'
diff --git a/sdk/typescript/rooch-sdk/test-e2e/case/events.test.ts b/sdk/typescript/rooch-sdk/test-e2e/case/events.test.ts
index f69f2b9754..07e6297c27 100644
--- a/sdk/typescript/rooch-sdk/test-e2e/case/events.test.ts
+++ b/sdk/typescript/rooch-sdk/test-e2e/case/events.test.ts
@@ -33,7 +33,7 @@ describe('Events API', () => {
     expect(await testBox.signAndExecuteTransaction(tx)).toBeTruthy()
 
     const result1 = await testBox.getClient().getEvents({
-      eventHandleType: `${await testBox.defaultCmdAddress()}::event_test::WithdrawEvent`
+      eventHandleType: `${await testBox.defaultCmdAddress()}::event_test::WithdrawEvent`,
     })
 
     expect(result1.next_cursor).eq('0')
diff --git a/sdk/typescript/rooch-sdk/test-e2e/case/grow.test.ts b/sdk/typescript/rooch-sdk/test-e2e/case/grow.test.ts
index 800b534bac..2495a1aa65 100644
--- a/sdk/typescript/rooch-sdk/test-e2e/case/grow.test.ts
+++ b/sdk/typescript/rooch-sdk/test-e2e/case/grow.test.ts
@@ -4,7 +4,14 @@
 import { beforeAll, describe, it, afterAll } from 'vitest'
 import { TestBox } from '../setup.js'
 import { Args, bcs } from '../../src/bcs/index.js'
-import { BitcoinAddress, BitcoinNetowkType, fromHEX, getRoochNodeUrl, RoochAddress, StateKVView } from "../../src";
+import {
+  BitcoinAddress,
+  BitcoinNetowkType,
+  fromHEX,
+  getRoochNodeUrl,
+  RoochAddress,
+  StateKVView,
+} from '../../src'
 
 describe('Checkpoints Transfer API', () => {
   let testBox: TestBox
@@ -119,7 +126,7 @@ describe('Checkpoints Transfer API', () => {
       const result = await testBox.getClient().listStates({
         accessPath: '/table/0xa1e5d1779e9764839a0526e35d5972d28584d3dcfac1d2305e231b6490a59740',
         limit: '200',
-        cursor: nextCursor
+        cursor: nextCursor,
       })
       nextCursor = result.next_cursor
       votes = votes.concat(result.data)
diff --git a/sdk/typescript/test-suite/src/container/bitcoin.ts b/sdk/typescript/test-suite/src/container/bitcoin.ts
index d3f2fe0de3..33da35ebe6 100644
--- a/sdk/typescript/test-suite/src/container/bitcoin.ts
+++ b/sdk/typescript/test-suite/src/container/bitcoin.ts
@@ -233,4 +233,4 @@ export class StartedBitcoinContainer extends AbstractStartedContainer {
       await this.preminedAddress,
     ])
   }
-}
\ No newline at end of file
+}