Use logger instead of puts

glueby.gemspec

@@ -29,7 +29,7 @@ Gem::Specification.new do |spec|
   spec.add_runtime_dependency 'tapyrus', '>= 0.3.1'
   spec.add_runtime_dependency 'activerecord', '>= 7.0', '< 8.0'
   spec.add_runtime_dependency 'kaminari'
-  spec.add_development_dependency 'sqlite3'
+  spec.add_development_dependency 'sqlite3', '~> 1.4'
   spec.add_development_dependency 'mysql2'
   spec.add_development_dependency 'rails', '>= 7.0', '< 8.0'
 end

lib/tasks/glueby/block_syncer.rake

@@ -1,9 +1,13 @@
+require 'tasks/glueby/task_helper'
+
+extend TaskHelper
+
 namespace :glueby do
   namespace :contract do
     namespace :block_syncer do
       desc '[Deprecated use glueby:block_syncer:start instead] sync block into database'
       task :start, [] => [:environment] do |_, _|
-        puts '[Deprecated] glueby:contract:block_syncer:start is deprecated. Use \'glueby:block_syncer:start\''
+        logger.info('[Deprecated] glueby:contract:block_syncer:start is deprecated. Use \'glueby:block_syncer:start\'')
         Rake::Task['glueby:block_syncer:start'].execute
       end
     end
@@ -22,7 +26,7 @@ namespace :glueby do
           Glueby::BlockSyncer.new(height).run
           synced_block.update(info_value: height.to_s)
         end
-        puts "success in synchronization (block height=#{height})"
+        logger.info("success in synchronization (block height=#{height})")
       end
     end
 

lib/tasks/glueby/task_helper.rb

@@ -0,0 +1,11 @@
+module TaskHelper
+  def logger
+    return Rails.logger if Rails.logger
+
+    @logger ||= begin
+                  logger = ActiveSupport::Logger.new(STDOUT)
+                  logger.level = Logger::INFO
+                  logger
+                end
+  end
+end