Contents

# Copyright (c) 2018 Yegor Bugayenko
#
# 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
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

require 'digest'
require_relative 'key'
require_relative 'id'
require_relative 'amount'

# The signature of a transaction.
#
# Author:: Yegor Bugayenko ([e-mail])
# Copyright:: Copyright (c) 2018 Yegor Bugayenko
# License:: MIT
module Zold
  # A signature
  class Signature
    def sign(pvt, id, t)
      pvt.sign(body(id, t))
    end

    def valid?(pub, id, t)
      pub.verify(t.sign, body(id, t))
    end

    private

    def body(id, t)
      [id, t.id, t.amount.to_i, t.prefix, t.bnf, t.details].join(' ')
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
zold-0.6.2	lib/zold/signature.rb
zold-0.6.1	lib/zold/signature.rb
zold-0.6	lib/zold/signature.rb