Add layer2 address separately

migrations/1528017752387-add-layer2-address.js

@@ -0,0 +1,13 @@
+var db = require('./db')
+
+exports.up = function (next) {
+  var sql = [
+    'alter table cash_out_txs add column layer_2_address text null',
+    'alter table cash_out_actions add column layer_2_address text null'
+  ]
+  db.multi(sql, next)
+}
+
+exports.down = function (next) {
+  next()
+}