Class: Borsh::Integer

Inherits:
Object
  • Object
show all
Defined in:
lib/borsh/integer.rb

Instance Method Summary collapse

Constructor Details

#initialize(value, type) ⇒ Integer

Returns a new instance of Integer.



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# File 'lib/borsh/integer.rb', line 2

def initialize(value, type)
  @value = value
  @type = type
end

Instance Method Details

#to_borsh ⇒ Object

Raises:



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# File 'lib/borsh/integer.rb', line 7

def to_borsh
  pack_arg = case type
             when :u8
               'C'
             when :u16
               'S<'
             when :u32
               'L<'
             when :u64
              'Q<'
             when :u128
               lower = value & 0xFFFFFFFFFFFFFFFF
               higher = (value >> 64) & 0xFFFFFFFFFFFFFFFF
               return [lower, higher].pack('Q<*')
             else
               raise Borsh::ArgumentError, "unknown type #{type}"
             end

  result = [value].pack(pack_arg)
  raise Borsh::ArgumentError, 'Integer serialization failure' if result.unpack(pack_arg) != [value]

  result
end