feat: add more columns to daily statistics

daily_dao_deposit, daily_dao_depositors_count and daily_dao_withdraw

app/models/daily_statistic.rb

@@ -31,4 +31,7 @@ class DailyStatistic < ApplicationRecord
 #  address_balance_distribution :jsonb
 #  total_tx_fee                 :decimal(30, )
 #  occupied_capacity            :decimal(30, )
+#  daily_dao_deposit            :decimal(30, )
+#  daily_dao_depositors_count   :integer
+#  daily_dao_withdraw           :decimal(30, )
 #

db/migrate/20200424084519_add_daily_dao_deposit_to_daily_statistics.rb

@@ -0,0 +1,7 @@
+class AddDailyDaoDepositToDailyStatistics < ActiveRecord::Migration[6.0]
+  def change
+    add_column :daily_statistics, :daily_dao_deposit, :decimal, precision: 30
+    add_column :daily_statistics, :daily_dao_depositors_count, :integer
+    add_column :daily_statistics, :daily_dao_withdraw, :decimal, precision: 30
+  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: 2020_04_23_031220) do
+ActiveRecord::Schema.define(version: 2020_04_24_084519) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -189,6 +189,9 @@
     t.jsonb "address_balance_distribution"
     t.decimal "total_tx_fee", precision: 30
     t.decimal "occupied_capacity", precision: 30
+    t.decimal "daily_dao_deposit", precision: 30
+    t.integer "daily_dao_depositors_count"
+    t.decimal "daily_dao_withdraw", precision: 30
   end
 
   create_table "dao_contracts", force: :cascade do |t|