* validator-api: create node status cache with selection probabilies
Create a node status cache to complement the contract cache. Initially
we store the simulated active set selection probabilities.
* validator-api: add validator cache watch channel
* changelog: add note
* validator-api: clippy fixes
* validator-api: fix clippy
* validator-api: additional fields to inclusion probabilities response
* selection chance: revert back to 3 buckets
* selection chance: revert buckets again
* rustfmt
* validator-api: remove the old get_mixnode_inclusion_probability
* node-status-cache: return error when refreshing
* inclusion-simulator: cap on wall clock time
* node status cache: tidy
Jon Häggblad
8c8b7d71d0