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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/block-builder/src/lib.rs
+3 -5
View File
@@ -28,9 +28,7 @@ use codec::Encode;
use sp_runtime::{
generic::BlockId,
traits::{
Header as HeaderT, Hash, Block as BlockT, HashFor, DigestFor, NumberFor, One, HasherFor,
},
traits::{Header as HeaderT, Hash, Block as BlockT, HashFor, DigestFor, NumberFor, One},
};
use sp_blockchain::{ApplyExtrinsicFailed, Error};
use sp_core::ExecutionContext;
@@ -47,7 +45,7 @@ use sc_client_api::backend;
/// backend to get the state of the block. Furthermore an optional `proof` is included which
/// can be used to proof that the build block contains the expected data. The `proof` will
/// only be set when proof recording was activated.
pub struct BuiltBlock<Block: BlockT, StateBackend: backend::StateBackend<HasherFor<Block>>> {
pub struct BuiltBlock<Block: BlockT, StateBackend: backend::StateBackend<HashFor<Block>>> {
/// The actual block that was build.
pub block: Block,
/// The changes that need to be applied to the backend to get the state of the build block.
@@ -56,7 +54,7 @@ pub struct BuiltBlock<Block: BlockT, StateBackend: backend::StateBackend<HasherF
pub proof: Option<StorageProof>,
}
impl<Block: BlockT, StateBackend: backend::StateBackend<HasherFor<Block>>> BuiltBlock<Block, StateBackend> {
impl<Block: BlockT, StateBackend: backend::StateBackend<HashFor<Block>>> BuiltBlock<Block, StateBackend> {
/// Convert into the inner values.
pub fn into_inner(self) -> (Block, StorageChanges<StateBackend, Block>, Option<StorageProof>) {
(self.block, self.storage_changes, self.proof)