add to open questions

Author: MarcoPolo

pubsub/gossipsub/partial-messages.md

@@ -185,6 +185,7 @@ message PartialIHAVE {
 - Do we want to add a TTL to PartialIWANTs? This would allow us to cancel them after some time.
 - Should we rename the metadata bytes to iwant and ihave?
 - In the bitmap usecase, iwant/ihave are simply inverses of each other. Do we need to send them both?
+- There's a bit of extra complexity around assuming opaque metadata, is it worth it?
 
 [1]: https://ethresear.ch/t/is-data-available-in-the-el-mempool/22329
 [2]: https://ethresear.ch/t/fulldas-towards-massive-scalability-with-32mb-blocks-and-beyond/19529#possible-extensions-13