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Kill the light client, CHTs and change tries. (#10080)

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* Remove light client, change tries and CHTs

* Update tests

* fmt

* Restore changes_root

* Fixed benches

* Cargo fmt

* fmt

* fmt
This commit is contained in:
Arkadiy Paronyan
2021-11-12 14:15:01 +01:00
committed by GitHub
parent 112b7dac47
commit 4cbbf0cf43
141 changed files with 532 additions and 17807 deletions
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substrate/primitives/blockchain/src/backend.rs
-31
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@@ -17,8 +17,6 @@
//! Substrate blockchain trait
use std::sync::Arc;
use log::warn;
use parking_lot::RwLock;
use sp_runtime::{
@@ -96,8 +94,6 @@ pub trait Backend<Block: BlockT>:
fn justifications(&self, id: BlockId<Block>) -> Result<Option<Justifications>>;
/// Get last finalized block hash.
fn last_finalized(&self) -> Result<Block::Hash>;
/// Returns data cache reference, if it is enabled on this backend.
fn cache(&self) -> Option<Arc<dyn Cache<Block>>>;
/// Returns hashes of all blocks that are leaves of the block tree.
/// in other words, that have no children, are chain heads.
@@ -237,33 +233,6 @@ pub trait Backend<Block: BlockT>:
fn block_indexed_body(&self, id: BlockId<Block>) -> Result<Option<Vec<Vec<u8>>>>;
}
/// Provides access to the optional cache.
pub trait ProvideCache<Block: BlockT> {
/// Returns data cache reference, if it is enabled on this backend.
fn cache(&self) -> Option<Arc<dyn Cache<Block>>>;
}
/// Blockchain optional data cache.
pub trait Cache<Block: BlockT>: Send + Sync {
/// Initialize genesis value for the given cache.
///
/// The operation should be performed once before anything else is inserted in the cache.
/// Otherwise cache may end up in inconsistent state.
fn initialize(&self, key: &well_known_cache_keys::Id, value_at_genesis: Vec<u8>) -> Result<()>;
/// Returns cached value by the given key.
///
/// Returned tuple is the range where value has been active and the value itself.
/// Fails if read from cache storage fails or if the value for block is discarded
/// (i.e. if block is earlier that best finalized, but it is not in canonical chain).
fn get_at(
&self,
key: &well_known_cache_keys::Id,
block: &BlockId<Block>,
) -> Result<
Option<((NumberFor<Block>, Block::Hash), Option<(NumberFor<Block>, Block::Hash)>, Vec<u8>)>,
>;
}
/// Blockchain info
#[derive(Debug, Eq, PartialEq)]
pub struct Info<Block: BlockT> {