lib/bitcoin/script.rb in bitcoin-ruby-0.0.12 vs lib/bitcoin/script.rb in bitcoin-ruby-0.0.13

@@ -1433,11 +1433,13 @@
   end
 
   def sighash_subscript(drop_sigs, opts = {})
     if opts[:fork_id]
       drop_sigs.reject! do |signature|
-        _, hash_type = parse_sig(signature)
-        (hash_type&SIGHASH_TYPE[:forkid]) != 0
+        if signature && signature.size > 0
+          _, hash_type = parse_sig(signature)
+          (hash_type&SIGHASH_TYPE[:forkid]) != 0
+        end
       end
     end
 
     if inner_p2sh? && @inner_script_code
       ::Bitcoin::Script.new(@inner_script_code).to_binary_without_signatures(drop_sigs)