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Implement freezer database (#508)

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* Implement freezer database for state vectors

* Improve BeaconState safe accessors

And fix a bug in the compact committees accessor.

* Banish dodgy type bounds back to gRPC

* Clean up

* Switch to exclusive end points in chunked vec

* Cleaning up and start of tests

* Randao fix, more tests

* Fix unsightly hack

* Resolve test FIXMEs

* Config file support

* More clean-ups, migrator beginnings

* Finish migrator, integrate into BeaconChain

* Fixups

* Fix store tests

* Fix BeaconChain tests

* Fix LMD GHOST tests

* Address review comments, delete 'static bounds

* Cargo format

* Address review comments

* Fix LMD ghost tests

* Update to spec v0.9.0

* Update to v0.9.1

* Bump spec tags for v0.9.1

* Formatting, fix CI failures

* Resolve accidental KeyPair merge conflict

* Document new BeaconState functions

* Fix incorrect cache drops in `advance_caches`

* Update fork choice for v0.9.1

* Clean up some FIXMEs

* Fix a few docs/logs

* Update for new builder paradigm, spec changes

* Freezer DB integration into BeaconNode

* Cleaning up

* This works, clean it up

* Cleanups

* Fix and improve store tests

* Refine store test

* Delete unused beacon_chain_builder.rs

* Fix CLI

* Store state at split slot in hot database

* Make fork choice lookup fast again

* Store freezer DB split slot in the database

* Handle potential div by 0 in chunked_vector

* Exclude committee caches from freezer DB

* Remove FIXME about long-running test
This commit is contained in:
Michael Sproul
2019-11-27 10:54:46 +11:00
committed by Paul Hauner
parent a514968155
commit bf2eeae3f2
36 changed files with 2486 additions and 580 deletions
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6
eth2/lmd_ghost/src/reduced_tree.rs
View File

@@ -667,7 +667,7 @@ where
fn iter_ancestors(&self, child: Hash256) -> Result<BlockRootsIterator<E, T>> {
let block = self.get_block(child)?;
let state = self.get_state(block.state_root)?;
let state = self.get_state(block.state_root, block.slot)?;
Ok(BlockRootsIterator::owned(self.store.clone(), state))
}
@@ -754,9 +754,9 @@ where
.ok_or_else(|| Error::MissingBlock(block_root))
}
fn get_state(&self, state_root: Hash256) -> Result<BeaconState<E>> {
fn get_state(&self, state_root: Hash256, slot: Slot) -> Result<BeaconState<E>> {
self.store
.get::<BeaconState<E>>(&state_root)?
.get_state(&state_root, Some(slot))?
.ok_or_else(|| Error::MissingState(state_root))
}