migration 27 - remove rejected transactions from state

1 files changed, 35 insertions, 0 deletions

diff --git a/app/scripts/migrations/027.js b/app/scripts/migrations/027.js
new file mode 100644
index 000000000..d6ebef580
--- /dev/null
+++ b/app/scripts/migrations/027.js
@@ -0,0 +1,35 @@
+// next version number
+const version = 27
+
+/*
+
+normalizes txParams on unconfirmed txs
+
+*/
+const clone = require('clone')
+
+module.exports = {
+  version,
+
+  migrate: async function (originalVersionedData) {
+    const versionedData = clone(originalVersionedData)
+    versionedData.meta.version = version
+    const state = versionedData.data
+    const newState = transformState(state)
+    versionedData.data = newState
+    return versionedData
+  },
+}
+
+function transformState (state) {
+  const newState = state
+
+  if (newState.TransactionController) {
+    if (newState.TransactionController.transactions) {
+      const transactions = newState.TransactionController.transactions
+      newState.TransactionController.transactions = transactions.filter((txMeta) => txMeta.status !== 'rejected')
+    }
+  }
+
+  return newState
+}