优化网络请求

src/chain/chain.api.ts

@@ -1,19 +1,21 @@
-import fetch, { Response } from 'node-fetch'
+import fetch, { Response, RequestInit } from 'node-fetch'
 import { retry } from 'utils/promise.util'
-// AbortController was added in node v14.17.0 globally
+
+const DEFAULT_TIMEOUT = 30000
 const AbortController = globalThis.AbortController
 
-const request = async (url: string, options: any) => {
+const request = async (url: string, options: RequestInit) => {
+  options.timeout = options.timeout || DEFAULT_TIMEOUT
   const controller = new AbortController()
-  const timeout = setTimeout(() => controller.abort(), 30000)
-  let res: Response
-  try {
-    res = await fetch(url, { ...options, signal: controller.signal })
-    clearTimeout(timeout)
-  } catch (err) {
-    clearTimeout(timeout)
-    throw err
-  }
+  let res = Promise.race([
+    await fetch(url, { ...options, signal: controller.signal }),
+    new Promise<Response>((_, reject) =>
+      setTimeout(() => {
+        controller.abort()
+        reject(new Error('timeout'))
+      }, options.timeout),
+    ),
+  ])
   return res
 }