* Initial draft
* Add an iterator that helps us get most items
* Revert changes to grandpa
* Change fields to just be the grandpa authority set and babe epoch changes
* Only use the fields we need from the shared authority set
* Switch to RPC call
* Revert "Only use the fields we need from the shared authority set"
This reverts commit 6ede87b0c5fe53f251d7cb45951006a7dc8f9b83.
* Add babe_finalized_block_weight from `ashley-improve-sync-state-WIP-loading`
* Fix rpc test
* Move sync state rpc stuff into sc-sync-state-rpc
* Remove as_json_value and remove unwraps from sc-sync-state-rpc
* Add clone_inner to SharedAuthoritySet
Ashley