Class: Bech32::Nostr::TLVEntry

Inherits:
Object
  • Object
show all
Defined in:
lib/bech32/nostr/entity.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(type, value, label = nil) ⇒ TLVEntry

Returns a new instance of TLVEntry.

Raises:

  • (ArgumentError) 


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# File 'lib/bech32/nostr/entity.rb', line 30

def initialize(type, value, label = nil)
  raise ArgumentError, "Type #{type} unsupported." unless TLVEntity::TYPES.include?(type)

  @type = type
  @value = value
  @label = label
end

Instance Attribute Details

#label ⇒ Object (readonly)

Returns the value of attribute label.



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# File 'lib/bech32/nostr/entity.rb', line 27

def label
  @label
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/bech32/nostr/entity.rb', line 26

def type
  @type
end

#value ⇒ Object (readonly)

Returns the value of attribute value.



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# File 'lib/bech32/nostr/entity.rb', line 28

def value
  @value
end

Instance Method Details

#to_payload ⇒ String

Convert to binary data.

Returns:

  • (String) —

    binary data.



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# File 'lib/bech32/nostr/entity.rb', line 40

def to_payload
  data = if value.is_a?(Integer)
           [value].pack('N')
         else
           hex_string?(value) ? [value].pack('H*') : value
         end
  len = data.bytesize
  [type, len].pack('CC') + data
end

#to_s ⇒ Object 



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# File 'lib/bech32/nostr/entity.rb', line 50

def to_s
  type_label = case type
               when TLVEntity::TYPE_SPECIAL
                 'special'
               when TLVEntity::TYPE_RELAY
                 'relay'
               when TLVEntity::TYPE_AUTHOR
                 'author'
               when TLVEntity::TYPE_KIND
                 'kind'
               else
                 'unknown'
               end
  "#{type_label}: #{value}"
end