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Extract well known keys into a single place (#764)

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* Extract well known keys into a single place

* Fixes.
This commit is contained in:
Sergey Pepyakin
2018-09-18 17:20:36 +03:00
committed by Gav Wood
parent 7fa337afbc
commit e7d1933d25
13 changed files with 89 additions and 49 deletions
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substrate/core/state-machine/src/lib.rs
+8 -3
View File
@@ -44,6 +44,7 @@ use patricia_trie::NodeCodec;
use rlp::Encodable;
use heapsize::HeapSizeOf;
use codec::Decode;
use primitives::storage::well_known_keys;
pub mod backend;
mod changes_trie;
@@ -260,11 +261,11 @@ where
let strategy: ExecutionStrategy = (&manager).into();
// make a copy.
let code = try_read_overlay_value(overlay, backend, b":code")?
let code = try_read_overlay_value(overlay, backend, well_known_keys::CODE)?
.ok_or_else(|| Box::new(ExecutionError::CodeEntryDoesNotExist) as Box<Error>)?
.to_vec();
let heap_pages = try_read_overlay_value(overlay, backend, b":heappages")?
let heap_pages = try_read_overlay_value(overlay, backend, well_known_keys::HEAP_PAGES)?
.and_then(|v| u64::decode(&mut &v[..])).unwrap_or(8) as usize;
// read changes trie configuration. The reason why we're doing it here instead of the
@@ -272,7 +273,11 @@ where
// proof-of-execution on light clients. And the proof is recorded by the backend which
// is created after OverlayedChanges
let changes_trie_config = try_read_overlay_value(overlay, backend, b":changes_trie")?;
let changes_trie_config = try_read_overlay_value(
overlay,
backend,
well_known_keys::CHANGES_TRIE_CONFIG
)?;
set_changes_trie_config(overlay, changes_trie_config)?;
let result = {