fix: Use 127.0.0.1 ipv4 instead of localhost to avoid ipv6 conflicts (#200)

Author: no2chem

packages/js/dist/server/server.js

@@ -131,7 +131,7 @@ export class SandboxServer {
   }
 
   get rpcAddr(): string {
-    return `http://localhost:${this.port}`;
+    return `http://127.0.0.1:${this.port}`;
   }
 
   async start(): Promise<SandboxServer> {

packages/js/dist/utils.js

@@ -81,7 +81,7 @@ export function urlConfigFromNetwork(network: string | {network: string; rpcAddr
     case 'sandbox':
       return {
         network: 'sandbox',
-        rpcAddr: 'http://localhost',
+        rpcAddr: 'http://127.0.0.1',
       };
 
     case 'custom':

packages/js/dist/worker.js

@@ -200,7 +200,7 @@ export class SandboxWorker extends Worker {
       port,
       rm: false,
       refDir: null,
-      rpcAddr: `http://localhost:${port}`,
+      rpcAddr: `http://127.0.0.1:${port}`,
     };
   }
 
@@ -226,6 +226,6 @@ export class SandboxWorker extends Worker {
   }
 
   private get rpcAddr(): string {
-    return `http://localhost:${this.config.port}`;
+    return `http://127.0.0.1:${this.config.port}`;
   }
 }