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Delete DB schema migrations for v11 and earlier (#3761)

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## Proposed Changes

Now that the Gnosis merge is scheduled, all users should have upgraded beyond Lighthouse v3.0.0. Accordingly we can delete schema migrations for versions prior to v3.0.0.

## Additional Info

I also deleted the state cache stuff I added in #3714 as it turned out to be useless for the light client proofs due to the one-slot offset.
This commit is contained in:
Michael Sproul
2022-12-02 00:07:43 +00:00
parent 18c9be595d
commit 84392d63fa
14 changed files with 15 additions and 1354 deletions
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21
beacon_node/beacon_chain/src/snapshot_cache.rs
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@@ -298,27 +298,6 @@ impl<T: EthSpec> SnapshotCache<T> {
})
}
/// Borrow the state corresponding to `block_root` if it exists in the cache *unadvanced*.
///
/// Care must be taken not to mutate the state in an invalid way. This function should only
/// be used to mutate the *caches* of the state, for example the tree hash cache when
/// calculating a light client merkle proof.
pub fn borrow_unadvanced_state_mut(
&mut self,
block_root: Hash256,
) -> Option<&mut BeaconState<T>> {
self.snapshots
.iter_mut()
.find(|snapshot| {
// If the pre-state exists then state advance has already taken the state for
// `block_root` and mutated its tree hash cache. Rather than re-building it while
// holding the snapshot cache lock (>1 second), prefer to return `None` from this
// function and force the caller to load it from disk.
snapshot.beacon_block_root == block_root && snapshot.pre_state.is_none()
})
.map(|snapshot| &mut snapshot.beacon_state)
}
/// If there is a snapshot with `block_root`, clone it and return the clone.
pub fn get_cloned(
&self,