Initial commit

db/migrate/20180808144704_change_wallet_structure.rb

@@ -0,0 +1,7 @@
+class ChangeWalletStructure < ActiveRecord::Migration[4.2]
+  def change
+    change_column :wallets, :gateway, :string, limit: 20, default: '', null: false
+    add_column :wallets, :settings, :string,
+               limit: 1000, default: '{}', null: false, after: :gateway
+  end
+end