Class: SolanaRuby::DataTypes::UnsignedInt

Inherits:
Object
  • Object
show all
Defined in:
lib/solana_ruby/data_types/unsigned_int.rb

Constant Summary collapse

BITS = 
{
  8 => { directive: 'C', size: 1 },   # 8-bit unsigned integer
  32 => { directive: 'L<', size: 4 }, # 32-bit little-endian unsigned integer
  64 => { directive: 'Q<', size: 8 }  # 64-bit little-endian unsigned integer
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(bits) ⇒ UnsignedInt

Returns a new instance of UnsignedInt.



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# File 'lib/solana_ruby/data_types/unsigned_int.rb', line 12

def initialize(bits)
  @bits = bits
  type = BITS[@bits]
  raise "Unsupported size. Supported sizes: #{BITS.keys.join(', ')} bits" unless type
  @size = type[:size]
  @directive = type[:directive]
end

Instance Attribute Details

#size ⇒ Object (readonly)

Returns the value of attribute size.



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# File 'lib/solana_ruby/data_types/unsigned_int.rb', line 4

def size
  @size
end

Instance Method Details

#deserialize(bytes) ⇒ Object

Deserialize bytes into the unsigned integer



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# File 'lib/solana_ruby/data_types/unsigned_int.rb', line 33

def deserialize(bytes)
  raise "Invalid serialization (expected #{@size} bytes, got #{bytes.size})" if bytes.size != @size

  bytes.pack('C*').unpack(@directive).first
end

#serialize(obj) ⇒ Object

Serialize the unsigned integer into properly aligned bytes



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# File 'lib/solana_ruby/data_types/unsigned_int.rb', line 21

def serialize(obj)
  raise "Can only serialize integers" unless obj.is_a?(Integer)
  raise "Cannot serialize negative integers" if obj.negative?

  if obj >= 256**@size
    raise "Integer too large to fit in #{@size} bytes"
  end

  [obj].pack(@directive).bytes
end