Initial commit

app/models/currency_wallet.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+class CurrencyWallet < ApplicationRecord
+  self.table_name = 'currencies_wallets'
+
+  belongs_to :currency
+  belongs_to :wallet
+  validates :currency_id, uniqueness: { scope: :wallet_id }
+end
+
+# == Schema Information
+# Schema version: 20201125134745
+#
+# Table name: currencies_wallets
+#
+#  currency_id :string(255)
+#  wallet_id   :integer
+#
+# Indexes
+#
+#  index_currencies_wallets_on_currency_id                (currency_id)
+#  index_currencies_wallets_on_currency_id_and_wallet_id  (currency_id,wallet_id) UNIQUE
+#  index_currencies_wallets_on_wallet_id                  (wallet_id)
+#