refactor: reintroduced v8-sandbox for testing purposes only

Author: hbarcelos

.eslintignore

@@ -1 +1,3 @@
 docs/_build/
+dist/
+node_modules/

package.json

@@ -19,7 +19,7 @@
     "src"
   ],
   "scripts": {
-    "build": "babel src -d dist",
+    "build": "cross-env NODE_ENV=production babel src -d dist",
     "docs": "esdoc",
     "ganache": "ganache-cli",
     "prepublishOnly": "run-s build",
@@ -47,6 +47,7 @@
     "assert": "^2.0.0",
     "babel-eslint": "^10.1.0",
     "babel-jest": "^26.6.1",
+    "cross-env": "^7.0.3",
     "electron": "^13.1.6",
     "esdoc": "^1.1.0",
     "esdoc-ecmascript-proposal-plugin": "^1.0.0",
@@ -69,7 +70,8 @@
     "solc": "0.4.25",
     "standard-version": "^9.0.0",
     "url": "^0.11.0",
-    "util": "^0.12.3"
+    "util": "^0.12.3",
+    "v8-sandbox": "^2.2.2"
   },
   "volta": {
     "node": "14.17.3"

src/utils/frame-loader.js

@@ -1,9 +1,55 @@
 import iframe from "iframe";
 
 export default function fetchDataFromScript(scriptString, scriptParameters) {
-  return typeof window !== "undefined" ? fetchDataFromScriptIframe(scriptString, scriptParameters) : {};
+  return typeof window !== "undefined"
+    ? fetchDataFromScriptIframe(scriptString, scriptParameters)
+    : fetchDataFromScriptSandbox(scriptString, scriptParameters);
 }
 
+const fetchDataFromScriptSandbox =
+  process.env.NODE_ENV !== "production"
+    ? async (scriptString, scriptParameters) => {
+        const { default: Sandbox } = await import("v8-sandbox");
+        const sandbox = new Sandbox();
+
+        const code = `
+          ${scriptString}
+
+          let resolveScript
+          let rejectScript
+          let scriptParameters = JSON.parse(stringifiedScriptParameters)
+
+          const returnPromise = new Promise((resolve, reject) => {
+            resolveScript = resolve
+            rejectScript = reject
+          })
+
+          getMetaEvidence()
+
+          returnPromise.then((metaEvidence) => {
+            setResult({ value: metaEvidence })
+          }).catch((err) => {
+            setResult({ error: err })
+          })`;
+
+        const { error, value } = await sandbox.execute({
+          code,
+          globals: {
+            stringifiedScriptParameters: JSON.stringify(scriptParameters || {}),
+          },
+          timeout: 5000,
+        });
+
+        await sandbox.shutdown();
+
+        if (error) {
+          throw error;
+        }
+
+        return value;
+      }
+    : async () => ({});
+
 const fetchDataFromScriptIframe = async (scriptString, scriptParameters) => {
   let resolver;
   const returnPromise = new Promise((resolve) => {

tests/standards/arbitrable/MetaEvidence.test.js

@@ -9,7 +9,7 @@ import { multihashFile } from '../../../src/utils/hashing'
 
 const provider = ganache.provider()
 
-describe.skip('MetaEvidence', () => {
+describe('MetaEvidence', () => {
   let web3
   let arbitrableInstance
   let accounts