9636553c16
Note that documentation says invoice expiries can batch, but that's no longer true, so delete it. Usually, we miss a number because the change is too fast. This adds the wait interface, but it doesn't actually fire until the next commit, which wires it into the db code. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Changelog-Added: JSON-RPC: `wait` now supports the `htlcs` (`listhtlcs`) subsystem.