feat: Delete cell db files when clearing cache

packages/neuron-wallet/src/controllers/api.ts

@@ -302,7 +302,7 @@ export default class ApiController {
   @MapApiResponse
   public static async clearCellCache() {
     await SyncController.stopSyncing()
-    // TODO: remove cache
+    await SyncController.deleteData()
     return SyncController.startSyncing()
   }
 }

packages/neuron-wallet/src/controllers/sync.ts

@@ -1,5 +1,6 @@
 import BlockNumber from 'services/sync/block-number'
 import { createSyncBlockTask, killSyncBlockTask } from 'startup/sync-block-task/create'
+import ChainCleaner from 'database/chain/cleaner'
 import { ResponseCode } from 'utils/const'
 
 export default class SyncController {
@@ -21,6 +22,15 @@ export default class SyncController {
     }
   }
 
+  public static async deleteData() {
+    ChainCleaner.clean()
+
+    return {
+      status: ResponseCode.Success,
+      result: true
+    }
+  }
+
   public static async currentBlockNumber() {
     const blockNumber = new BlockNumber()
     const current: bigint = await blockNumber.getCurrent()

packages/neuron-wallet/src/database/chain/cleaner.ts

@@ -0,0 +1,21 @@
+import fs from 'fs'
+import path from 'path'
+import env from 'env'
+
+// Clean local sqlite storage
+export default class ChainCleaner {
+  // Delete all sqlite files under cells folder.
+  // It doesn't handle error or throw exception when deleting fails.
+  public static clean() {
+    const folder = path.join(env.fileBasePath, 'cells')
+    fs.readdir(folder, (err, files) => {
+      if (err) {
+        return
+      }
+
+      for (const file of files.filter(f => { return f.endsWith('sqlite') })) {
+        fs.unlink(path.join(folder, file), () => {})
+      }
+    })
+  }
+}

packages/neuron-wallet/src/startup/sync-block-task/create.ts

@@ -113,6 +113,7 @@ export const createSyncBlockTask = () => {
 export const killSyncBlockTask = async () => {
   if (syncBlockBackgroundWindow) {
     console.info('Kill sync block background process')
+    // TODO: kill block number listener
     syncBlockBackgroundWindow.close()
   }
 }