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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/src/genesis.rs
+4 -4
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@@ -53,7 +53,7 @@ mod tests {
runtime::{Hash, Transfer, Block, BlockNumber, Header, Digest},
AccountKeyring, Sr25519Keyring,
};
use sp_core::Blake2Hasher;
use sp_runtime::traits::BlakeTwo256;
use hex_literal::*;
native_executor_instance!(
@@ -67,7 +67,7 @@ mod tests {
}
fn construct_block(
backend: &InMemoryBackend<Blake2Hasher>,
backend: &InMemoryBackend<BlakeTwo256>,
number: BlockNumber,
parent_hash: Hash,
state_root: Hash,
@@ -78,7 +78,7 @@ mod tests {
let transactions = txs.into_iter().map(|tx| tx.into_signed_tx()).collect::<Vec<_>>();
let iter = transactions.iter().map(Encode::encode);
let extrinsics_root = Layout::<Blake2Hasher>::ordered_trie_root(iter).into();
let extrinsics_root = Layout::<BlakeTwo256>::ordered_trie_root(iter).into();
let mut header = Header {
parent_hash,
@@ -137,7 +137,7 @@ mod tests {
(vec![].and(&Block { header, extrinsics: transactions }), hash)
}
fn block1(genesis_hash: Hash, backend: &InMemoryBackend<Blake2Hasher>) -> (Vec<u8>, Hash) {
fn block1(genesis_hash: Hash, backend: &InMemoryBackend<BlakeTwo256>) -> (Vec<u8>, Hash) {
construct_block(
backend,
1,