Add migrations for removing terms of use data.

2 files changed, 31 insertions, 0 deletions

diff --git a/app/scripts/migrations/011.js b/app/scripts/migrations/011.js
new file mode 100644
index 000000000..227fd87f7
--- /dev/null
+++ b/app/scripts/migrations/011.js
@@ -0,0 +1,30 @@
+const version = 11
+
+/*
+
+This migration breaks out the CurrencyController substate
+
+*/
+
+module.exports = {
+  version,
+
+  migrate: function (versionedData) {
+    versionedData.meta.version = version
+    try {
+      const state = versionedData.data
+      const newState = transformState(state)
+      versionedData.data = newState
+    } catch (err) {
+      console.warn(`MetaMask Migration #${version}` + err.stack)
+    }
+    return Promise.resolve(versionedData)
+  },
+}
+
+function transformState (state) {
+  const newState = state
+  delete newState.TOSHash
+  delete newState.isDisclaimerConfirmed
+  return newState
+}
diff --git a/app/scripts/migrations/index.js b/app/scripts/migrations/index.js
index 2db8646b0..a3dd48c17 100644
--- a/app/scripts/migrations/index.js
+++ b/app/scripts/migrations/index.js
@@ -21,4 +21,5 @@ module.exports = [
   require('./008'),
   require('./009'),
   require('./010'),
+  require('./011'),
 ]