Apple In-App Purchase receipt verification

verification.rb

require 'venice'

data = %{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}

receipt = Venice::Receipt.verify(data).to_h
# =>
# {
#   :quantity=>1, 
#   :product_id=>"com.mindmobapp.download", 
#   :transaction_id=>"1000000046178817", 
#   :purchase_date=>"Mon, 30 Apr 2012 15:05:55 GMT", 
#   :original_transaction_id=>"1000000046178817", 
#   :original_purchase_date=>"Mon, 30 Apr 2012 15:05:55 GMT", 
#   :app_item_id=>nil, 
#   :version_external_identifier=>nil, 
#   :bid=>"com.mindmobapp.MindMob", 
#   :bvrs=>"20120427", 
#   :expires_at=>nil
# }