lib/zold/commands/routines/gc.rb
# frozen_string_literal: true
# Copyright (c) 2018-2023 Zerocracy
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the 'Software'), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# SOFTWARE.
require_relative '../routines'
require_relative '../../log'
require_relative '../remove'
# Gargage collecting. It goes through the list of all wallets and removes
# those that are older than 10 days and don't have any transactions inside.
# Author:: Yegor Bugayenko (yegor256@gmail.com)
# Copyright:: Copyright (c) 2018 Yegor Bugayenko
# License:: MIT
class Zold::Routines::Gc
def initialize(opts, wallets, log: Log::NULL)
@opts = opts
@wallets = wallets
@log = log
end
def exec(_ = 0)
sleep(60) unless @opts['routine-immediately']
cmd = Zold::Remove.new(wallets: @wallets, log: @log)
args = ['remove']
seen = 0
removed = 0
@wallets.all.each do |id|
seen += 1
next unless @wallets.acq(id) { |w| w.exists? && w.mtime < Time.now - @opts['gc-age'] && w.txns.empty? }
cmd.run(args + [id.to_s])
removed += 1
end
@log.info("Removed #{removed} empty+old wallets out of #{seen} total") unless removed.zero?
end
end