Class: Keoken::Token

Inherits:
Parser show all
Defined in:
lib/keoken/token.rb

Instance Attribute Summary collapse

Attributes inherited from Parser

#amount, #data, #name, #transaction_type

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Token

Creates a new token object.

Options Hash (options):

  • :name (String) —

    The name of token to create.

  • :id (Number) —

    The id of token to obtain an amount to send to another address.

  • :script (String) —

    An hexadecimal script intended to be parsed.



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# File 'lib/keoken/token.rb', line 12

def initialize(options = {})
  @name   = options[:name]
  @id     = options[:id]
  return unless options[:script]
  super(options[:script])
  parse_script
end

Instance Attribute Details

#data_script ⇒ Object

Returns the value of attribute data_script.



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# File 'lib/keoken/token.rb', line 3

def data_script
  @data_script
end

#id ⇒ Object

Returns the value of attribute id.



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# File 'lib/keoken/token.rb', line 3

def id
  @id
end

Instance Method Details

#create(amount) ⇒ Keoken::Token

Generate the script to create a token.

Raises:



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# File 'lib/keoken/token.rb', line 26

def create(amount)
  raise Keoken::Error::NameNotFound unless @name
  @data_script =
    [
      Keoken::VERSION_NODE,
      Keoken::TYPE_CREATE_ASSET,
      name_to_hex(@name),
      Keoken::PREFIX_BYTE_AMOUNT[0..prefix_length(amount)] + amount.to_s(16)
    ].flatten.join
  self
end

#hex ⇒ String

Hexadecimal value of script.



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# File 'lib/keoken/token.rb', line 60

def hex
  [
    Bitcoin::Script::OP_RETURN.to_s(16),
    Keoken::PREFIX_SIZE,
    Keoken::PREFIX,
    data_length
  ].join + @data_script
end

#send_amount(amount) ⇒ Keoken::Token

Generate the script to send an amount from one address to another.

Raises:



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# File 'lib/keoken/token.rb', line 44

def send_amount(amount)
  raise Keoken::Error::IdNotFound unless @id
  asset_length = Keoken::ASSET_ID_SIZE - @id.to_s.length - 1
  @data_script =
    [
      Keoken::VERSION_NODE,
      Keoken::TYPE_SEND_TOKEN,
      Keoken::PREFIX_BYTE_ASSET_ID[0..asset_length] + @id.to_s,
      Keoken::PREFIX_BYTE_AMOUNT[0..prefix_length(amount)] + amount.to_s(16)
    ].flatten.join
  self
end

#to_hash ⇒ Object

Deserialization of object

return [Hash] Deserialization of token object.



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# File 'lib/keoken/token.rb', line 84

def to_hash
  {
    id: @id,
    name: @name,
    amount: @amount,
    transaction_type: @transaction_type
  }
end

#to_json ⇒ Object

JSON serialization of object

return [String] JSON serialization of token object.



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# File 'lib/keoken/token.rb', line 72

def to_json
  {
    id: @id,
    name: @name,
    amount: @amount,
    transaction_type: @transaction_type
  }.to_json
end