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Opti-sync: extend optimistic node definition (#2955)

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* Extend optimistic node definition

* Update sync/optimistic.md

Co-authored-by: terencechain <terence@prysmaticlabs.com>

Co-authored-by: terencechain <terence@prysmaticlabs.com>
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Mikhail Kalinin 2022-08-15 20:34:51 +06:00 committed by GitHub
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sync/optimistic.md
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@ -122,8 +122,12 @@ def is_optimistic_candidate_block(opt_store: OptimisticStore, current_slot: Slot
return False
```
Let only a node which returns `is_optimistic(opt_store, head) is True` be an *optimistic
node*. Let only a validator on an optimistic node be an *optimistic validator*.
Let a node be an *optimistic node* if its fork choice is in one of the following states:
1. `is_optimistic(opt_store, head) is True`
2. Blocks from every viable (with respect to FFG) branch have transitioned from `NOT_VALIDATED` to `INVALIDATED`
leaving the block tree without viable branches
Let only a validator on an optimistic node be an *optimistic validator*.
When this specification only defines behaviour for an optimistic
node/validator, but *not* for the non-optimistic case, assume default