migrations - introduce promise-based migrator

1 files changed, 9 insertions, 6 deletions

diff --git a/app/scripts/migrations/002.js b/app/scripts/migrations/002.js
index 0b654f825..97f427d3a 100644
--- a/app/scripts/migrations/002.js
+++ b/app/scripts/migrations/002.js
@@ -1,13 +1,16 @@
+const version = 2
+
 module.exports = {
-  version: 2,
+  version,
 
-  migrate: function (data) {
+  migrate: function (meta) {
+    meta.version = version
     try {
-      if (data.config.provider.type === 'etherscan') {
-        data.config.provider.type = 'rpc'
-        data.config.provider.rpcTarget = 'https://rpc.metamask.io/'
+      if (meta.data.config.provider.type === 'etherscan') {
+        meta.data.config.provider.type = 'rpc'
+        meta.data.config.provider.rpcTarget = 'https://rpc.metamask.io/'
       }
     } catch (e) {}
-    return data
+    return Promise.resolve(meta)
   },
 }