From 136ba0a239d9281105db8f0440d0233891b72c00 Mon Sep 17 00:00:00 2001
From: veryhappyok <18771022119@163.com>
Date: Fri, 10 May 2024 17:48:00 +0800
Subject: [PATCH] feat: use fetch in chrome v3

---
 package.json                   |  2 +-
 src/network/rest/restClient.ts |  4 +++-
 src/network/rpc/rpcClient.ts   |  4 +++-
 src/utils.ts                   | 21 +++++++++++++++++++++
 4 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/package.json b/package.json
index 49365f8..41635c8 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
     "name": "ontology-ts-sdk",
-    "version": "2.0.2",
+    "version": "2.0.3",
     "description": "Comprehensive TypeScript library for the Ontology blockchain.",
     "main": "./lib/index.js",
     "types": "./lib/types/index.d.ts",
diff --git a/src/network/rest/restClient.ts b/src/network/rest/restClient.ts
index befc143..40a1bd7 100644
--- a/src/network/rest/restClient.ts
+++ b/src/network/rest/restClient.ts
@@ -22,6 +22,7 @@ import fetchAdapter from "@vespaiach/axios-fetch-adapter";
 import { TEST_ONT_URL } from '../../consts';
 import { Address } from '../../crypto/address';
 import UrlConsts from './urlConsts';
+import { needUseFetch } from '../../utils';
 
 /**
  * Wrapper class for restful api.
@@ -46,7 +47,8 @@ export default class RestClient {
 
     constructor(url ?: string, useFetch?: boolean) {
         this.url = url || TEST_ONT_URL.REST_URL;
-        this.config = useFetch ? { adapter: fetchAdapter } : undefined;
+        const isUseFetch = useFetch || needUseFetch();
+        this.config = isUseFetch ? { adapter: fetchAdapter } : undefined;
         if (this.url[this.url.length - 1] === '/') {
             this.url = this.url.substring(0, this.url.length - 1);
         }
diff --git a/src/network/rpc/rpcClient.ts b/src/network/rpc/rpcClient.ts
index 97cf3a0..71978b6 100644
--- a/src/network/rpc/rpcClient.ts
+++ b/src/network/rpc/rpcClient.ts
@@ -21,6 +21,7 @@ import fetchAdapter from "@vespaiach/axios-fetch-adapter";
 import { TEST_ONT_URL } from '../../consts';
 import { Address } from '../../crypto/address';
 import { ERROR_CODE } from '../../error';
+import { needUseFetch } from '../../utils';
 
 /**
  * Wrapper class for RPC apis.
@@ -36,7 +37,8 @@ export default class RpcClient {
     constructor( url ?: string, useFetch?: boolean ) {
         this.url = url || TEST_ONT_URL.RPC_URL;
 
-        this.config = useFetch ? { adapter: fetchAdapter } : undefined;
+        const isUseFetch = useFetch || needUseFetch();
+        this.config = isUseFetch ? { adapter: fetchAdapter } : undefined;
     }
 
     /**
diff --git a/src/utils.ts b/src/utils.ts
index 029b4d3..62f25e3 100644
--- a/src/utils.ts
+++ b/src/utils.ts
@@ -631,3 +631,24 @@ export function calcUnboundOng(balance: number, startOffset: number, endOffset:
     }
     return amount * balance;
 }
+
+// 判断是否需要使用fetch方法请求数据，在Chrome V3中只能使用fetch
+export function needUseFetch() {
+    let useFetch = false;
+    try {
+        // 不能使用XMLHttpRequest
+        // @ts-ignore
+        const tt = new XMLHttpRequest();
+    } catch (e) {
+        try {
+            // 且可以使用fetch
+            // @ts-ignore
+            const tmp = fetch;
+            useFetch = true;
+        } catch (err) {
+            //
+        }
+    }
+
+    return useFetch;
+}