Contents

require_relative '../parser/abi_parser'

module AbiCoderRb
  class Type
    class << self
      def parse(str)
        abi_type_element = AbiCoderRb::AbiParser.new(str).parse
        create_type(abi_type_element)
      end

      private

      def create_type(element)
        case element[:type]
        when 'string' then String.new
        when 'address' then Address.new
        when 'bool' then Bool.new
        when 'uint', 'int' then create_numeric_type(element)
        when 'bytes' then create_bytes_type(element)
        when 'tuple' then create_tuple_type(element)
        when 'array' then create_array_type(element)
        else
          raise ParseError, "Unknown type: #{element}"
        end
      end

      def create_tuple_type(abi_type)
        Tuple.new(abi_type[:inner_types].map { |t| create_type(t) })
      end

      def create_numeric_type(abi_type)
        abi_type[:type] == 'uint' ? Uint.new(abi_type[:bits]) : Int.new(abi_type[:bits])
      end

      def create_bytes_type(abi_type)
        abi_type[:length] ? FixedBytes.new(abi_type[:length]) : Bytes.new
      end

      def create_array_type(abi_type)
        inner_type = create_type(abi_type[:inner_type])
        abi_type[:length] ? FixedArray.new(inner_type, abi_type[:length]) : Array.new(inner_type)
      end
    end
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
abi_coder_rb-0.2.9	lib/abi_coder_rb/type/parse.rb