feat: add cell data

Author: shaojunda

lib/ckb/types/cell_data.rb

@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+module CKB
+  module Types
+    class CellData
+      attr_accessor :content, :hash
+
+      # @param content [String]
+      # @param hash [String]
+      def initialize(content:, hash:)
+        @content = content
+        @hash = hash
+      end
+
+      def to_h
+        {
+          content: content,
+          hash: hash
+        }
+      end
+
+      def self.from_h(hash)
+        return if hash.nil?
+
+        new(
+          content: hash[:content],
+          hash: hash[:hash]
+        )
+      end
+    end
+  end
+end