Files
pezkuwi-subxt/substrate/client/db
NingLin-P 6be21e0397 statedb: allow longer state pruning history (#11980)
* introduce DbBackedQueue for the state pruning window

Signed-off-by: linning <linningde25@gmail.com>

* avoid cloning for next_hash

Signed-off-by: linning <linningde25@gmail.com>

* add tests

Signed-off-by: linning <linningde25@gmail.com>

* make clippy happy

Signed-off-by: linning <linningde25@gmail.com>

* impl have_block by checking block number

Signed-off-by: linning <linningde25@gmail.com>

* refactor

Signed-off-by: linning <linningde25@gmail.com>

* fix tests & add test for init db-backed queue

Signed-off-by: linning <linningde25@gmail.com>

* update comment

Signed-off-by: linning <linningde25@gmail.com>

* add check for have_state_at

Signed-off-by: linning <linningde25@gmail.com>

* address comment

Signed-off-by: linning <linningde25@gmail.com>

* renanme unload_blocks to uncached_blocks

Signed-off-by: linning <linningde25@gmail.com>

* address comment

Signed-off-by: linning <linningde25@gmail.com>

* fix syncs_state test

Signed-off-by: linning <linningde25@gmail.com>

* address comment

Signed-off-by: linning <linningde25@gmail.com>

* revert change to make_test_db to add test cases

Signed-off-by: linning <linningde25@gmail.com>

* do not prune unavailable block & add tests

Signed-off-by: linning <linningde25@gmail.com>

* Update client/state-db/src/lib.rs

Signed-off-by: linning <linningde25@gmail.com>

Co-authored-by: cheme <emericchevalier.pro@gmail.com>

* Update client/state-db/src/pruning.rs

Signed-off-by: linning <linningde25@gmail.com>

Co-authored-by: cheme <emericchevalier.pro@gmail.com>

* address comment

Signed-off-by: linning <linningde25@gmail.com>

Signed-off-by: linning <linningde25@gmail.com>
Co-authored-by: cheme <emericchevalier.pro@gmail.com>
2022-09-01 15:45:34 +00:00
..
2020-08-20 17:04:42 +02:00

Client backend that is backed by a database.

Canonicality vs. Finality

Finality indicates that a block will not be reverted, according to the consensus algorithm, while canonicality indicates that the block may be reverted, but we will be unable to do so, having discarded heavy state that will allow a chain reorganization.

Finality implies canonicality but not vice-versa.

License: GPL-3.0-or-later WITH Classpath-exception-2.0