omigod
   it's 1328 new york time, 2021-11-22
   I finally made libgrossgarbage use the core electrum client to download
   a file from the bsv chain.  I mutated the internal interface in doing
   so.
   the main electrum code is designed to work only on bitcoin core, but
   now I have a gross mess in my gross mess project that makes it work on
   bsv.  I got _really_ inhibited during.  it was _really_ hard to
   stabilise.
   I want to add checkpointing and bring the electrumx code to at least
   feature parity, even if it's not checking merkle roots.
   the electrum code uses target integers for checkpointing, so I need to
   query or calculate them for every checkpoint block
   first commit code!
   1332
   1335
   pushed ! [1]github.com/xloem/libexcessiveattemptstostorethings
   whoogle
   k i'll import it into ipython and see if I can find block targets to
   make checkpoints with
   1340 oops, my code is giving bogus block header hashes.  some hashing
   mistake.
   1344 fixed, I wasn't byte-reversing the embedded hashes
   1345 bitcoinx.bits_to_target((await blockchain.headers(0)).bits)
   1352 ran into a networkish error
   well the celebration was nice.  I infer it's more important to get
   electrumx running again than to checkpoint main electrum hacked for
   bsv.
   1355 I verified the target calculation is correct for a checkpoint
   block in the main code
   1409 hashes from the sources aren't matching ones on the network yay.
   i'm likely looking at something wrong
   1416 I was treating al the chains as the main chain, loading more
   checkpoints now
   1419 looks like a chain rules issue around block 478558, bits starts
   mismatching calculated
   hrm
   gives me checkpoints up to 295000.  not enough.  well, I saved the code
   to generate them anyway.  guessing that approach is poor.
   on to electrumx re-enabling.  1423.
   unsure.
   bulletproof garbage disposal!
   in other news, have you seen the gemini network?  it's all "facebook
   and youtube have proven that gopher was better than http, let's do
   this."

References

   1. http://github.com/xloem/libexcessiveattemptstostorethings