feat: add daily_statistic model

app/models/daily_statistic.rb

@@ -0,0 +1,16 @@
+class DailyStatistic < ApplicationRecord
+end
+
+# == Schema Information
+#
+# Table name: daily_statistics
+#
+#  id                       :bigint           not null, primary key
+#  transactions_count       :integer          default(0)
+#  addresses_count          :integer          default(0)
+#  total_dao_deposit        :decimal(30, )    default(0)
+#  block_timestamp          :decimal(30, )
+#  created_at_unixtimestamp :integer
+#  created_at               :datetime         not null
+#  updated_at               :datetime         not null
+#

db/migrate/20191127045149_create_daily_statistics.rb

@@ -0,0 +1,13 @@
+class CreateDailyStatistics < ActiveRecord::Migration[6.0]
+  def change
+    create_table :daily_statistics do |t|
+      t.integer :transactions_count, default: 0
+      t.integer :addresses_count, default: 0
+      t.decimal :total_dao_deposit, precision: 30, default: 0
+      t.decimal :block_timestamp, precision: 30
+      t.integer :created_at_unixtimestamp
+
+      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: 2019_11_26_225038) do
+ActiveRecord::Schema.define(version: 2019_11_27_045149) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -138,6 +138,16 @@
     t.index ["tx_hash", "block_id"], name: "index_ckb_transactions_on_tx_hash_and_block_id", unique: true
   end
 
+  create_table "daily_statistics", force: :cascade do |t|
+    t.integer "transactions_count", default: 0
+    t.integer "addresses_count", default: 0
+    t.decimal "total_dao_deposit", precision: 30, default: "0"
+    t.decimal "block_timestamp", precision: 30
+    t.integer "created_at_unixtimestamp"
+    t.datetime "created_at", precision: 6, null: false
+    t.datetime "updated_at", precision: 6, null: false
+  end
+
   create_table "dao_contracts", force: :cascade do |t|
     t.decimal "total_deposit", precision: 30, default: "0"
     t.decimal "interest_granted", precision: 30, default: "0"

test/models/daily_statistic_test.rb

@@ -0,0 +1,7 @@
+require 'test_helper'
+
+class DailyStatisticTest < ActiveSupport::TestCase
+  # test "the truth" do
+  #   assert true
+  # end
+end