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Implement Overflow LRU Cache for Pending Blobs (#4203)

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* All Necessary Objects Implement Encode/Decode

* Major Components for LRUOverflowCache Implemented

* Finish Database Code

* Add Maintenance Methods

* Added Maintenance Service

* Persist Blobs on Shutdown / Reload on Startup

* Address Clippy Complaints

* Add (emum_behaviour = "tag") to ssz_derive

* Convert Encode/Decode Implementations to "tag"

* Started Adding Tests

* Added a ton of tests

* 1 character fix

* Feature Guard Minimal Spec Tests

* Update beacon_node/beacon_chain/src/data_availability_checker.rs

Co-authored-by: realbigsean <seananderson33@GMAIL.com>

* Address Sean's Comments

* Add iter_raw_keys method

* Remove TODOs

---------

Co-authored-by: realbigsean <seananderson33@GMAIL.com>
This commit is contained in:
ethDreamer
2023-05-12 09:08:24 -05:00
committed by GitHub
parent a22e4bf636
commit 46db30416d
23 changed files with 2364 additions and 253 deletions
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30
beacon_node/store/src/leveldb_store.rs
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@@ -198,6 +198,36 @@ impl<E: EthSpec> KeyValueStore<E> for LevelDB<E> {
)
}
fn iter_raw_entries(&self, column: DBColumn, prefix: &[u8]) -> RawEntryIter {
let start_key = BytesKey::from_vec(get_key_for_col(column.into(), prefix));
let iter = self.db.iter(self.read_options());
iter.seek(&start_key);
Box::new(
iter.take_while(move |(key, _)| key.key.starts_with(start_key.key.as_slice()))
.map(move |(bytes_key, value)| {
let subkey = &bytes_key.key[column.as_bytes().len()..];
Ok((Vec::from(subkey), value))
}),
)
}
fn iter_raw_keys(&self, column: DBColumn, prefix: &[u8]) -> RawKeyIter {
let start_key = BytesKey::from_vec(get_key_for_col(column.into(), prefix));
let iter = self.db.keys_iter(self.read_options());
iter.seek(&start_key);
Box::new(
iter.take_while(move |key| key.key.starts_with(start_key.key.as_slice()))
.map(move |bytes_key| {
let subkey = &bytes_key.key[column.as_bytes().len()..];
Ok(Vec::from(subkey))
}),
)
}
/// Iterate through all keys and values in a particular column.
fn iter_column_keys(&self, column: DBColumn) -> ColumnKeyIter {
let start_key =