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Pin states in memory so that they are not pruned away while still referenced (#2761)

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* State pinning in client

* Canonicalization queue

* Fixed prioritization queue

* possible fix of "hash mismatch"

* Check for pinned discarded states

* Release state before finalization

* Style

* Style
This commit is contained in:
Arkadiy Paronyan
2019-06-04 10:01:12 +02:00
committed by Gavin Wood
parent 6ce7c1c8c8
commit 3b26453047
13 changed files with 392 additions and 194 deletions
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substrate/core/client/src/client.rs
+1 -1
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@@ -1277,7 +1277,7 @@ impl<B, E, Block, RA> Client<B, E, Block, RA> where
/// Prepare in-memory header that is used in execution environment.
fn prepare_environment_block(&self, parent: &BlockId<Block>) -> error::Result<Block::Header> {
let parent_header = self.backend().blockchain().expect_header(*parent)?;
let parent_header = self.backend.blockchain().expect_header(*parent)?;
Ok(<<Block as BlockT>::Header as HeaderT>::new(
self.backend.blockchain().expect_block_number_from_id(parent)? + One::one(),
Default::default(),