* Refactor out try_to_sync_once()
* Add outer timeouts for obtaining and extending tips
* Refactor out request_genesis_once()
* Wrap genesis download once in a timeout
* Increase the genesis timeout to avoid denial of service from old nodes
* Add an outer timeout to mempool crawls
* Add an outer timeout to mempool download/verify
* Remove threaded mutex blocking from the inbound service
* Explain why inbound readiness never hangs
* Fix whitespace that cargo fmt doesn't
* Avoid hangs by always resetting the past lookahead limit flag
* Document block-specific and syncer-wide errors
* Update zebrad/src/components/sync.rs
Co-authored-by: Marek <mail@marek.onl>
* Use correct condition for log messages
Co-authored-by: Marek <mail@marek.onl>
* Keep lookahead reset metric
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Co-authored-by: Arya <aryasolhi@gmail.com>
Co-authored-by: Marek <mail@marek.onl>