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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
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substrate/primitives/state-machine/src/changes_trie/changes_iterator.rs
+7 -7
View File
@@ -19,7 +19,7 @@
use std::cell::RefCell;
use std::collections::VecDeque;
use codec::{Decode, Encode};
use codec::{Decode, Encode, Codec};
use hash_db::Hasher;
use num_traits::Zero;
use trie::Recorder;
@@ -81,7 +81,7 @@ pub fn key_changes_proof<'a, H: Hasher, Number: BlockNumber>(
max: Number,
storage_key: Option<&[u8]>,
key: &[u8],
) -> Result<Vec<Vec<u8>>, String> {
) -> Result<Vec<Vec<u8>>, String> where H::Out: Codec {
// we can't query any roots before root
let max = ::std::cmp::min(max.clone(), end.number.clone());
@@ -129,7 +129,7 @@ pub fn key_changes_proof_check<'a, H: Hasher, Number: BlockNumber>(
max: Number,
storage_key: Option<&[u8]>,
key: &[u8]
) -> Result<Vec<(Number, u32)>, String> {
) -> Result<Vec<(Number, u32)>, String> where H::Out: Encode {
key_changes_proof_check_with_db(
config,
roots_storage,
@@ -152,7 +152,7 @@ pub fn key_changes_proof_check_with_db<'a, H: Hasher, Number: BlockNumber>(
max: Number,
storage_key: Option<&[u8]>,
key: &[u8]
) -> Result<Vec<(Number, u32)>, String> {
) -> Result<Vec<(Number, u32)>, String> where H::Out: Encode {
// we can't query any roots before root
let max = ::std::cmp::min(max.clone(), end.number.clone());
@@ -316,8 +316,8 @@ pub struct DrilldownIterator<'a, H, Number>
essence: DrilldownIteratorEssence<'a, H, Number>,
}
impl<'a, H: Hasher, Number: BlockNumber> Iterator
for DrilldownIterator<'a, H, Number>
impl<'a, H: Hasher, Number: BlockNumber> Iterator for DrilldownIterator<'a, H, Number>
where H::Out: Encode
{
type Item = Result<(Number, u32), String>;
@@ -358,7 +358,7 @@ impl<'a, H, Number> Iterator for ProvingDrilldownIterator<'a, H, Number>
where
Number: BlockNumber,
H: Hasher,
H::Out: 'a,
H::Out: 'a + Codec,
{
type Item = Result<(Number, u32), String>;