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Reduce usage of Blake2Hasher (#5132)

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This reduces the usage of `Blake2Hasher` in the code base and replaces
it with `BlakeTwo256`. The most important change is the removal of the
custom extern function for `Blake2Hasher`. The runtime `Hash` trait is
now also simplified and directly requires that the implementing type
implements `Hashable`.
This commit is contained in:
Benjamin Kampmann
2020-03-05 08:51:03 +01:00
committed by GitHub
parent 406fa981bb
commit 5a33228ea9
64 changed files with 372 additions and 451 deletions
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substrate/client/db/src/light.rs
+3 -3
View File
@@ -36,7 +36,7 @@ use sp_blockchain::{
use sc_client::light::blockchain::Storage as LightBlockchainStorage;
use codec::{Decode, Encode};
use sp_runtime::generic::{DigestItem, BlockId};
use sp_runtime::traits::{Block as BlockT, Header as HeaderT, Zero, One, NumberFor, HasherFor};
use sp_runtime::traits::{Block as BlockT, Header as HeaderT, Zero, One, NumberFor, HashFor};
use crate::cache::{DbCacheSync, DbCache, ComplexBlockId, EntryType as CacheEntryType};
use crate::utils::{self, meta_keys, DatabaseType, Meta, db_err, read_db, block_id_to_lookup_key, read_meta};
use crate::{DatabaseSettings, FrozenForDuration};
@@ -305,7 +305,7 @@ impl<Block: BlockT> LightStorage<Block> {
Some(old_current_num)
});
let new_header_cht_root = cht::compute_root::<Block::Header, HasherFor<Block>, _>(
let new_header_cht_root = cht::compute_root::<Block::Header, HashFor<Block>, _>(
cht::size(), new_cht_number, cht_range.map(|num| self.hash(num))
)?;
transaction.put(
@@ -322,7 +322,7 @@ impl<Block: BlockT> LightStorage<Block> {
current_num = current_num + One::one();
Some(old_current_num)
});
let new_changes_trie_cht_root = cht::compute_root::<Block::Header, HasherFor<Block>, _>(
let new_changes_trie_cht_root = cht::compute_root::<Block::Header, HashFor<Block>, _>(
cht::size(), new_cht_number, cht_range
.map(|num| self.changes_trie_root(BlockId::Number(num)))
)?;