diff --git a/packages/neuron-wallet/src/services/transactions.ts b/packages/neuron-wallet/src/services/transactions.ts
index 1e08619b82..415f965184 100644
--- a/packages/neuron-wallet/src/services/transactions.ts
+++ b/packages/neuron-wallet/src/services/transactions.ts
@@ -276,4 +276,111 @@ export default class TransactionsService {
       args,
     })
   }
+
+  // continue to loop blocks to latest block
+  public static loopBlocks = async () => {
+    const tipBlockNumber: number = await ckbCore.rpc.getTipBlockNumber()
+    // TODO: should load currentBlockNumber from local
+    const currentBlockNumber = 0
+    for (let i = currentBlockNumber; i <= tipBlockNumber; ++i) {
+      // TODO: check fork
+      const blockHash: string = await ckbCore.rpc.getBlockHash(i)
+      const block = await ckbCore.rpc.getBlock(blockHash)
+      await TransactionsService.resolveBlock(block)
+    }
+  }
+
+  // resolve block
+  public static resolveBlock = async (block: CKBComponents.Block) => {
+    const transactions: Transaction[] = block.commitTransactions.map(t => {
+      const inputs: Input[] = t.inputs.map(i => {
+        const args = i.args.map(a => ckbCore.utils.bytesToHex(a))
+        const previousOutput = i.prevOutput
+        const ii: Input = {
+          previousOutput,
+          args,
+        }
+        return ii
+      })
+
+      const outputs: Cell[] = t.outputs.map(o => {
+        let type
+        if (o.type) {
+          type = {
+            binaryHash: o.type.binaryHash,
+            args: o.type.args.map(ckbCore.utils.bytesToHex),
+          }
+        }
+        return {
+          ...o,
+          data: ckbCore.utils.bytesToHex(o.data),
+          capacity: o.capacity.toString(),
+          lock: {
+            binaryHash: o.lock.binaryHash,
+            args: o.lock.args.map(ckbCore.utils.bytesToHex),
+          },
+          type,
+        }
+      })
+
+      const tx = {
+        ...t,
+        inputs,
+        outputs,
+      }
+
+      return tx
+    })
+    TransactionsService.resolveTxs(transactions)
+  }
+
+  // resolve transactions
+  public static resolveTxs = async (transactions: Transaction[]) => {
+    await transactions.forEach(async tx => {
+      await TransactionsService.resolveTx(tx)
+    })
+  }
+
+  // resolve single transaction
+  public static resolveTx = async (transaction: Transaction) => {
+    if (TransactionsService.anyOutput(transaction.outputs!) || TransactionsService.anyInput(transaction.inputs!)) {
+      TransactionsService.create(transaction)
+    }
+  }
+
+  public static anyOutput = (outputs: Cell[]): boolean => {
+    return !!outputs.find(output => {
+      return TransactionsService.checkLockScript(output.lock!)
+    })
+  }
+
+  /* eslint no-await-in-loop: "off" */
+  /* eslint no-restricted-syntax: "warn" */
+  public static anyInput = async (inputs: Input[]): Promise<boolean> => {
+    for (const input of inputs) {
+      const outPoint: OutPoint = input.previousOutput
+      const output = await getConnection()
+        .getRepository(InputEntity)
+        .findOne({
+          outPointHash: outPoint.hash,
+          outPointIndex: outPoint.index,
+        })
+      if (output) {
+        return true
+      }
+    }
+
+    return false
+  }
+
+  // is this lockScript belongs to me
+  public static checkLockScript = (lock: Script): boolean => {
+    const lockHash = TransactionsService.lockScriptToHash(lock)
+    return TransactionsService.checkLockHash(lockHash)
+  }
+
+  // is this lockHash belongs to me
+  public static checkLockHash = (lockHash: string): boolean => {
+    return parseInt(lockHash[lockHash.length - 1], 16) % 2 === 0
+  }
 }