From b4f0036e288a3f28a6e7ec1fb29840affc263e2b Mon Sep 17 00:00:00 2001
From: guanbinrui <guanbinrui@dimension.im>
Date: Tue, 22 Mar 2022 21:16:17 +0800
Subject: [PATCH] refactor: reduce preflight request

---
 packages/web3-providers/src/kv/index.ts | 33 +++++++++++++------------
 1 file changed, 17 insertions(+), 16 deletions(-)

diff --git a/packages/web3-providers/src/kv/index.ts b/packages/web3-providers/src/kv/index.ts
index a5ab360ec6f7..f19115e85d02 100644
--- a/packages/web3-providers/src/kv/index.ts
+++ b/packages/web3-providers/src/kv/index.ts
@@ -6,21 +6,6 @@ import { KV_ROOT_URL } from './constants'
 export class JSON_Storage implements StorageAPI.Storage {
     constructor(private prefix: string) {}
 
-    async set<T extends {}>(key: string, value: T) {
-        await fetch(
-            urlcat(KV_ROOT_URL, 'api/:name', {
-                name: `${this.prefix}_${key}`,
-            }),
-            {
-                method: 'PUT',
-                mode: 'cors',
-                headers: {
-                    'Content-Type': 'application/json',
-                },
-                body: JSON.stringify(value),
-            },
-        )
-    }
     async get<T>(key: string) {
         try {
             return fetchJSON<T>(
@@ -29,7 +14,7 @@ export class JSON_Storage implements StorageAPI.Storage {
                 }),
                 {
                     method: 'GET',
-                    mode: 'cors',
+                    mode: 'no-cors',
                     headers: {
                         'Content-Type': 'application/json',
                     },
@@ -39,6 +24,22 @@ export class JSON_Storage implements StorageAPI.Storage {
             return
         }
     }
+
+    async set<T extends {}>(key: string, value: T) {
+        await fetch(
+            urlcat(KV_ROOT_URL, 'api/:name', {
+                name: `${this.prefix}_${key}`,
+            }),
+            {
+                method: 'PUT',
+                mode: 'cors',
+                headers: {
+                    'Content-Type': 'application/json',
+                },
+                body: JSON.stringify(value),
+            },
+        )
+    }
 }
 
 export class KeyValueAPI implements StorageAPI.Provider {