lib/sidetree/model/provisional_index_file.rb in sidetree-0.1.2 vs lib/sidetree/model/provisional_index_file.rb in sidetree-0.1.3

@@ -1,9 +1,9 @@
 module Sidetree
   module Model
     # https://identity.foundation/sidetree/spec/#provisional-index-file
-    class ProvisionalIndexFile
+    class ProvisionalIndexFile < CASFileBase
       attr_reader :provisional_proof_file_uri
       attr_reader :chunks
       attr_reader :operations
 
       # Initialize
@@ -42,19 +42,14 @@
       # @return [Sidetree::Model::ProvisionalIndexFile]
       def self.parse(index_data, compressed: true)
         decompressed =
           (
             if compressed
-              begin
-                Sidetree::Util::Compressor.decompress(
-                  index_data,
-                  max_bytes: Sidetree::Params::MAX_PROVISIONAL_INDEX_FILE_SIZE
-                )
-              rescue Zlib::GzipFile::Error
-                raise Sidetree::Error,
-                      "Provisional Index File decompression failure"
-              end
+              decompress(
+                index_data,
+                Sidetree::Params::MAX_PROVISIONAL_INDEX_FILE_SIZE
+              )
             else
               index_data
             end
           )
         begin
@@ -109,13 +104,13 @@
         rescue JSON::ParserError
           raise Sidetree::Error, "Provisional index file is not json"
         end
       end
 
-      # Compress this provisional index file
-      # @return [String] compressed data.
-      def to_compress
+      # Build json string to be stored in CAS.
+      # @return [String] json string.
+      def to_json
         params = { chunks: chunks.map(&:to_h) }
         unless operations.empty?
           params[:operations] = {
             update:
               operations.map do |update|
@@ -125,10 +120,10 @@
                 }
               end
           }
           params[:provisionalProofFileUri] = provisional_proof_file_uri
         end
-        Sidetree::Util::Compressor.compress(params.to_json)
+        params.to_json
       end
     end
   end
 end