Class: Beowulf::Operation

Inherits:
Object
  • Object
show all
Includes:
OperationIds, OperationTypes, Utils
Defined in:
lib/beowulf/operation.rb

Constant Summary

Constants included from OperationTypes

Beowulf::OperationTypes::TYPES

Constants included from OperationIds

Beowulf::OperationIds::IDS

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Utils

#debug, #error, #extract_signatures, #hexlify, #pakArr, #pakC, #pakHash, #pakI, #pakL!, #pakPubKey, #pakQ, #pakS, #pakStr, #pakc, #pakq, #paks, #send_log, #unhexlify, #varint, #warning

Methods included from OperationTypes

#type

Methods included from OperationIds

#id

Constructor Details

#initialize(options = {}) ⇒ Operation

Returns a new instance of Operation.



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# File 'lib/beowulf/operation.rb', line 7

def initialize(options = {})
  opt = options.dup
  @type = opt.delete(:type)

  opt.each do |k, v|
    instance_variable_set("@#{k}", type(@type, k, v))
  end

  @use_condenser_namespace = if options.keys.include? :use_condenser_namespace
                               options.delete(:use_condenser_namespace)
                             else
                               true
                             end

  unless Operation::known_operation_names.include? @type
    raise OperationError, "Unsupported operation type: #{@type}"
  end
end

Class Method Details

.broadcast_operations ⇒ Object 



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# File 'lib/beowulf/operation.rb', line 81

def self.broadcast_operations
  @broadcast_operations ||= JSON[File.read broadcast_operations_json_path]
end

.broadcast_operations_json_path ⇒ Object 



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# File 'lib/beowulf/operation.rb', line 77

def self.broadcast_operations_json_path
  @broadcast_operations_json_path ||= "#{File.dirname(__FILE__)}/broadcast_operations.json"
end

.known_operation_names ⇒ Object 



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# File 'lib/beowulf/operation.rb', line 85

def self.known_operation_names
  broadcast_operations.map { |op| op["operation"].to_sym }
end

.param_names(type) ⇒ Object 



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# File 'lib/beowulf/operation.rb', line 89

def self.param_names(type)
  broadcast_operations.each do |op|
    if op['operation'].to_sym == type.to_sym
      return op['params'].map(&:to_sym)
    end
  end
end

Instance Method Details

#payload ⇒ Object 



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# File 'lib/beowulf/operation.rb', line 55

def payload
  params = {}

  Operation::param_names(@type.to_sym).each do |p|
    next unless defined? p

    v = instance_variable_get("@#{p}")
    next if v.nil?
    next if v.class == Beowulf::Type::Future

    params[p] = case v
                when Beowulf::Type::Amount
                  v.to_s
                else; v
                end
  end

  [@type, params]
end

#to_bytes ⇒ Object 



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# File 'lib/beowulf/operation.rb', line 26

def to_bytes
  bytes = [id(@type.to_sym)].pack('C')

  Operation::param_names(@type.to_sym).each do |p|
    next unless defined? p
    # puts p
    v = instance_variable_get("@#{p}")
    # puts v
    bytes += v.to_bytes and next if v.respond_to? :to_bytes

    bytes += case v
             when Symbol then pakStr(v.to_s)
             when String then pakStr(v)
             when Integer then paks(v)
             when TrueClass then pakC(1)
             when FalseClass then pakC(0)
             when ::Array then pakArr(v)
             when ::Hash then pakHash(v)
             when Authority then v.to_bytes
             when AuthorityUpdate then v.to_bytes
             when NilClass then next
             else
               raise OperationError, "Unsupported type: #{v.class}"
             end
  end

  bytes
end