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The storage runtime interface should not enforce a hash type (#4231)

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* The storage runtime interface should not enforce a hash type

Currently the runtime interface enforces `H256` as hash type, but in the
future people could use whatever they want as hash type. The hash type
always needs to match between the runtime and the node, but that is
already required.

* Update primitives/externalities/src/lib.rs

Co-Authored-By: thiolliere <gui.thiolliere@gmail.com>
This commit is contained in:
Bastian Köcher
2019-11-28 01:00:29 +01:00
committed by Gavin Wood
parent 39388b826b
commit 3e26fceda4
29 changed files with 253 additions and 165 deletions
Download Patch File Download Diff File Expand all files Collapse all files
substrate/primitives/state-machine/src/changes_trie/prune.rs
+8 -6
View File
@@ -25,7 +25,7 @@ use crate::trie_backend_essence::TrieBackendEssence;
use crate::changes_trie::{AnchorBlockId, Configuration, Storage, BlockNumber};
use crate::changes_trie::storage::TrieBackendAdapter;
use crate::changes_trie::input::{ChildIndex, InputKey};
use codec::Decode;
use codec::{Decode, Codec};
/// Get number of oldest block for which changes trie is not pruned
/// given changes trie configuration, pruning parameter and number of
@@ -55,7 +55,7 @@ pub fn prune<S: Storage<H, Number>, H: Hasher, Number: BlockNumber, F: FnMut(H::
min_blocks_to_keep: Number,
current_block: &AnchorBlockId<H::Out, Number>,
mut remove_trie_node: F,
) {
) where H::Out: Codec {
// select range for pruning
let (first, last) = match pruning_range(config, min_blocks_to_keep, current_block.number.clone()) {
@@ -116,7 +116,7 @@ fn prune_trie<S: Storage<H, Number>, H: Hasher, Number: BlockNumber, F: FnMut(H:
storage: &S,
root: H::Out,
remove_trie_node: &mut F,
) {
) where H::Out: Codec {
// enumerate all changes trie' keys, recording all nodes that have been 'touched'
// (effectively - all changes trie nodes)
@@ -221,13 +221,15 @@ mod tests {
storage: &S,
min_blocks_to_keep: u64,
current_block: u64,
) -> HashSet<H::Out> {
) -> HashSet<H::Out> where H::Out: Codec {
let mut pruned_trie_nodes = HashSet::new();
prune(config,
prune(
config,
storage,
min_blocks_to_keep,
&AnchorBlockId { hash: Default::default(), number: current_block },
|node| { pruned_trie_nodes.insert(node); });
|node| { pruned_trie_nodes.insert(node); },
);
pruned_trie_nodes
}