Drop unused user columns

app/models/user.rb

@@ -1,6 +1,5 @@
 class User < ApplicationRecord
-  self.ignored_columns = %w[totp_timestamp idv_attempted_at idv_attempts attribute_cost
-                            failed_attempts locked_at]
+  self.ignored_columns = %w[totp_timestamp]
   include NonNullUuid
 
   include ::NewRelic::Agent::MethodTracer

db/primary_migrate/20220422193820_drop_unused_user_columns.rb

@@ -0,0 +1,19 @@
+class DropUnusedUserColumns < ActiveRecord::Migration[6.1]
+  def up
+    safety_assured do
+      remove_column :users, :idv_attempted_at
+      remove_column :users, :idv_attempts
+      remove_column :users, :attribute_cost
+      remove_column :users, :failed_attempts
+      remove_column :users, :locked_at
+    end
+  end
+
+  def down
+    add_column :users, :idv_attempted_at, :datetime
+    add_column :users, :idv_attempts, :integer
+    add_column :users, :attribute_cost, :text
+    add_column :users, :failed_attempts, :integer
+    add_column :users, :locked_at, :datetime
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2022_04_22_190622) do
+ActiveRecord::Schema.define(version: 2022_04_22_193820) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "pg_stat_statements"
@@ -580,17 +580,12 @@
     t.integer "second_factor_attempts_count", default: 0
     t.string "uuid", limit: 255, null: false
     t.datetime "second_factor_locked_at"
-    t.datetime "locked_at"
-    t.integer "failed_attempts", default: 0
     t.datetime "phone_confirmed_at"
     t.string "direct_otp"
     t.datetime "direct_otp_sent_at"
-    t.datetime "idv_attempted_at"
-    t.integer "idv_attempts", default: 0
     t.string "unique_session_id"
     t.string "email_fingerprint", default: "", null: false
     t.text "encrypted_email", default: "", null: false
-    t.string "attribute_cost"
     t.text "encrypted_phone"
     t.integer "otp_delivery_preference", default: 0, null: false
     t.integer "totp_timestamp"