Rebase

Rebase

Rebase on top of D9563

Rebase on top of D9567

Remvove commented code

use an uncompressed master pubkey like in the original test, to make the diff more readable

Replaced by D9564 and D9565

I think you'll find this doesn't working once you keep the private implementation - which you should.

So, actually, I think this is wrong.

Not really requesting changes, but back on your queue.

Note: you can refer to D9557 to see the final result (modulo a few nits found during the diff split)

Working on adding all the data needed to verify the delegation inside the delegation.

@bot build-tsan

try to change as little data as possible in the previous tests.