Add ExtensionStore and add basic store instance syncing to main controller

1 files changed, 20 insertions, 0 deletions

diff --git a/app/scripts/lib/extension-store.js b/app/scripts/lib/extension-store.js
new file mode 100644
index 000000000..a8b730a65
--- /dev/null
+++ b/app/scripts/lib/extension-store.js
@@ -0,0 +1,20 @@
+const extension = require('extensionizer')
+
+const KEYS_TO_SYNC = ['KeyringController', 'PreferencesController']
+
+module.exports = class ExtensionStore {
+  async fetch() {
+    return new Promise((resolve) => {
+      extension.storage.sync.get(KEYS_TO_SYNC, data => resolve(data))
+    })
+  }
+  async sync(state) {
+    const dataToSync = KEYS_TO_SYNC.reduce((result, key) => {
+      result[key] = state.data[key]
+      return result
+    }, {})
+    return new Promise((resolve) => {
+      extension.storage.sync.set(dataToSync, () => resolve())
+    })
+  }
+}