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Implement change trie for child trie. (#3122)

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* Initial implementation, some redundancy is awkward and there is
some useless computation (but there is a pending pr for that).
Next are tests.

* Minimal tests and fix extend child.

* implement iterator for change child trie.

* prune child trie.

* Fix pruning test.

* bump spec version.

* Avoid empty child trie (could also be checked before)

* tabs.

* Fix child digest overriding each others.

* Restore doc deleted on merge.

* Check correct child value on extrinsics build.

* Revert runtime version update.
This commit is contained in:
cheme
2019-09-02 11:10:42 +02:00
committed by Svyatoslav Nikolsky
parent 06658e0c3c
commit e3d0c60a31
23 changed files with 670 additions and 138 deletions
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substrate/core/network/src/protocol.rs
+16 -4
View File
@@ -226,7 +226,8 @@ impl<'a, B: BlockT> LightDispatchNetwork<B> for LightDispatchIn<'a, B> {
last: <B as BlockT>::Hash,
min: <B as BlockT>::Hash,
max: <B as BlockT>::Hash,
key: Vec<u8>
storage_key: Option<Vec<u8>>,
key: Vec<u8>,
) {
let message = message::generic::Message::RemoteChangesRequest(message::RemoteChangesRequest {
id,
@@ -234,6 +235,7 @@ impl<'a, B: BlockT> LightDispatchNetwork<B> for LightDispatchIn<'a, B> {
last,
min,
max,
storage_key,
key,
});
@@ -1385,24 +1387,34 @@ impl<B: BlockT, S: NetworkSpecialization<B>, H: ExHashT> Protocol<B, S, H> {
trace!(target: "sync", "Remote changes proof request {} from {} for key {} ({}..{})",
request.id,
who,
request.key.to_hex::<String>(),
if let Some(sk) = request.storage_key.as_ref() {
format!("{} : {}", sk.to_hex::<String>(), request.key.to_hex::<String>())
} else {
request.key.to_hex::<String>()
},
request.first,
request.last
);
let storage_key = request.storage_key.map(|sk| StorageKey(sk));
let key = StorageKey(request.key);
let proof = match self.context_data.chain.key_changes_proof(
request.first,
request.last,
request.min,
request.max,
&key
storage_key.as_ref(),
&key,
) {
Ok(proof) => proof,
Err(error) => {
trace!(target: "sync", "Remote changes proof request {} from {} for key {} ({}..{}) failed with: {}",
request.id,
who,
key.0.to_hex::<String>(),
if let Some(sk) = storage_key {
format!("{} : {}", sk.0.to_hex::<String>(), key.0.to_hex::<String>())
} else {
key.0.to_hex::<String>()
},
request.first,
request.last,
error