reduce LC optsync latency #4002
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The optimistic sync spec was updated since the LC based optsync module was introduced. It is no longer necessary to wait for the justified checkpoint to have execution enabled; instead, any block is okay to be optimistically imported to the EL client, as long as its parent block has execution enabled. Complex syncing logic has been removed, and the LC optsync module will now follow gossip directly, reducing the latency when using this module. Note that because this is now based on gossip instead of using sync manager / request manager, that individual blocks may be missed. However, EL clients should recover from this by fetching missing blocks themselves.
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Tested manually with |
tersec
reviewed
Aug 23, 2022
tersec
approved these changes
Aug 23, 2022
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The optimistic sync spec was updated since the LC based optsync module
was introduced. It is no longer necessary to wait for the justified
checkpoint to have execution enabled; instead, any block is okay to be
optimistically imported to the EL client, as long as its parent block
has execution enabled. Complex syncing logic has been removed, and the
LC optsync module will now follow gossip directly, reducing the latency
when using this module. Note that because this is now based on gossip
instead of using sync manager / request manager, that individual blocks
may be missed. However, EL clients should recover from this by fetching
missing blocks themselves.