add fiat balance

db/migrate/20210812011039_create_fiat_balances.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+class CreateFiatBalances < ActiveRecord::Migration[6.1]
+  def change
+    create_table(:fiat_balances) do |t|
+      t.references(:user, null: false, foreign_key: true)
+      t.monetize(:amount)
+
+      t.timestamps
+    end
+  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: 2021_08_11_121726) do
+ActiveRecord::Schema.define(version: 2021_08_12_011039) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -71,6 +71,15 @@ ActiveRecord::Schema.define(version: 2021_08_11_121726) do
     t.datetime "updated_at", precision: 6, null: false
   end
 
+  create_table "fiat_balances", force: :cascade do |t|
+    t.bigint "user_id", null: false
+    t.integer "amount_cents", default: 0, null: false
+    t.string "amount_currency", default: "BRL", null: false
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+    t.index ["user_id"], name: "index_fiat_balances_on_user_id"
+  end
+
   create_table "user_documents", force: :cascade do |t|
     t.string "status", null: false
     t.bigint "user_id", null: false
@@ -97,5 +106,6 @@ ActiveRecord::Schema.define(version: 2021_08_11_121726) do
   add_foreign_key "active_storage_variant_records", "active_storage_blobs", column: "blob_id"
   add_foreign_key "balances", "currencies"
   add_foreign_key "balances", "users"
+  add_foreign_key "fiat_balances", "users"
   add_foreign_key "user_documents", "users"
 end

db/seeds.rb

@@ -214,3 +214,5 @@ currencies.each do |currency|
     amount: random_floating_number
   )
 end
+
+FiatBalance.create(user_id: user.id)