get cake balance from bsc wallet

app/value_objects/wallet.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+class Wallet
+  attr_reader :user, :address, :cake_balance
+
+  def initialize(user)
+    @user = user
+    @address = user.wallet_address
+    @cake_balance = total_cake
+  end
+
+  private
+
+  def total_cake
+    return "0" if address.blank?
+
+    BscClient.new.token_balance(
+      "0x0e09fabb73bd3ade0a17ecc321fd13a19e81ce82",
+      18,
+      address,
+    )
+  end
+end