bug: force ipv4 instead of localhost

.github/workflows/tests-sandbox.yml

@@ -9,7 +9,7 @@ jobs:
     strategy:
       matrix:
         platform: [ubuntu-latest, macos-latest]
-        node-version: [14, 16]
+        node-version: [14, 16, 18]
     runs-on: ${{ matrix.platform }}
     steps:
       - uses: actions/checkout@v2

packages/js/src/server/server.ts

@@ -126,7 +126,7 @@ 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/src/utils.ts

@@ -73,7 +73,7 @@ export function urlConfigFromNetwork(network: string | {network: string}): Clien
     case 'sandbox':
       return {
         network: 'sandbox',
-        rpcAddr: 'http://localhost',
+        rpcAddr: 'http://127.0.0.1',
       };
 
     case 'testnet':

packages/js/src/worker.ts

@@ -112,7 +112,7 @@ export class SandboxWorker extends Worker {
       port,
       rm: false,
       refDir: null,
-      rpcAddr: `http://localhost:${port}`,
+      rpcAddr: `http://127.0.0.1:${port}`,
     };
   }
 
@@ -138,6 +138,6 @@ export class SandboxWorker extends Worker {
   }
 
   private get rpcAddr(): string {
-    return `http://localhost:${this.config.port}`;
+    return `http://127.0.0.1:${this.config.port}`;
   }
 }