* Add a new block commit task and channels, that don't do anything yet
* Add last_block_hash_sent to the state service, to avoid database accesses
* Update last_block_hash_sent regardless of commit errors
* Rename a field to StateService.max_queued_finalized_height
* Commit finalized blocks to the state in a separate task
* Check for panics in the block write task
* Wait for the block commit task in tests, and check for errors
* Always run a proptest that sleeps once
* Add extra debugging to state shutdowns
* Work around a RocksDB shutdown bug
* Close the finalized block channel when we're finished with it
* Only reset state queue once per error
* Update some TODOs
* Add a module doc comment
* Drop channels and check for closed channels in the block commit task
* Close state channels and tasks on drop
* Remove some duplicate fields across StateService and ReadStateService
* Try tweaking the shutdown steps
* Update and clarify some comments
* Clarify another comment
* Don't try to cancel RocksDB background work on drop
* Fix up some comments
* Remove some duplicate code
* Remove redundant workarounds for shutdown issues
* Remode a redundant channel close in the block commit task
* Remove a mistaken `!force` shutdown condition
* Remove duplicate force-shutdown code and explain it better
* Improve RPC error logging
* Wait for chain tip updates in the RPC tests
* Wait 2 seconds for chain tip updates before skipping them
* Remove an unnecessary block_in_place()
* Fix some test error messages that were changed by earlier fixes
* Expand some comments, fix typos
Co-authored-by: Marek <mail@marek.onl>
* Actually drop children of failed blocks
* Explain why we drop descendants of failed blocks
* Clarify a comment
* Wait for chain tip updates in a failing test on macOS
* Clean duplicate finalized blocks when the non-finalized state activates
* Send an error when receiving a duplicate finalized block
* Update checkpoint block behaviour, document its consensus rule
* Wait for chain tip changes in inbound_block_height_lookahead_limit test
* Wait for the genesis block to commit in the fake peer set mempool tests
* Disable unreliable mempool verification check in the send transaction test
* Appease rustfmt
* Use clear_finalized_block_queue() everywhere that blocks are dropped
* Document how Finalized and NonFinalized clones are different
* Use the same check as commit_finalized() for finalized block heights
Co-authored-by: Marek <mail@marek.onl>
Co-authored-by: Marek <mail@marek.onl>