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Paul Hauner 2022-01-13 07:17:43 +11:00
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sync/optimistic.md
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@ -20,7 +20,7 @@ blocks without verifying the execution payloads. This partial sync is called an
## Helpers
Let `head_block: BeaconBlock` be the result of calling of the fork choice
Let `head: BeaconBlock` be the result of calling of the fork choice
algorithm at the time of block production.
Let `optimistic_roots: Set[Root]` be the set of `hash_tree_root(block)` for all
@ -51,7 +51,7 @@ def latest_verified_ancestor(store: Store, block: BeaconBlock) -> BeaconBlock:
while True:
if not is_optimistic(store, block) or block.parent_root == Root():
return block
block = get_block(block.parent_root)
block = store.blocks[block.parent_root]
```
```python
@ -67,7 +67,7 @@ def should_optimistically_import_block(store: Store, current_slot: Slot, block:
return justified_is_verified or block_is_deep
```
Let only a node which returns `is_optimistic(head) is True` be an *optimistic
Let only a node which returns `is_optimistic(store, head) is True` be an *optimistic
node*. Let only a validator on an optimistic node be an *optimistic validator*.
When this specification only defines behaviour for an optimistic
@ -254,7 +254,7 @@ When information about an optimistic block is requested, the consensus engine:
### Requests for an Optimistic Head
When `is_optimistic(head) is True`, the consensus engine:
When `is_optimistic(store, head) is True`, the consensus engine:
- MUST NOT return an optimistic `head`.
- MAY substitute the head block with `latest_verified_ancestor(block)`.
@ -262,7 +262,7 @@ When `is_optimistic(head) is True`, the consensus engine:
### Requests to Validators Endpoints
When `is_optimistic(head) is True`, the consensus engine MUST return syncing to
When `is_optimistic(store, head) is True`, the consensus engine MUST return syncing to
all endpoints which match the following pattern:
- `eth/*/validator/*`