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Reset provider #449
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Reset provider #449
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adlrocha
reviewed
Dec 4, 2023
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| pub fn reset(&mut self, head: BlockHeight) { | ||
| self.tail = None; | ||
| self.head = head; |
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As discussed sync, I think with the new model where we enforced the defer execution of side-effects for top-down there is no need to use a head and a tail here.
| @@ -31,6 +31,11 @@ impl SyncPointers { | |||
| pub fn set_tail(&mut self, height: BlockHeight, hash: BlockHash) { | |||
| self.tail = Some((height, hash)); | |||
| } | |||
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| pub fn reset(&mut self, head: BlockHeight) { | |||
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Here you are just resetting the pointers. Is there no need to clean the content from the cache? We may be leaking outdated information by just changing the pointers, right?
added 2 commits
December 4, 2023 22:12
adlrocha
approved these changes
Dec 6, 2023
| .await | ||
| } | ||
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| /// Poll the next block height. Returns finalized and executed block data. |
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Maybe it is worth adding a comment here and be explicit about the height and data returned.
- We get
heightand return the state atparent_blockright?
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We should reset provider, i.e. clean cache, reset last committed and polling trackers after syncing with peer and also a potential reorg.
For potential reorg, we had this for block height check but not after block hashes are different. We should reset syncer and try from scratch (what else can we do beside crashing app).
After peer syncing, we need to reset provider because with peer syncing, we might have the last committed finality way ahead of the cache polled heights. Clean cache and restart syncer will make sure syncer is up to date.