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Refactor and fix usage of get_session_index() and get_session_info_by_index() (#4735)

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* Rename/refactor around get_session_index

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

* choose proper head for fetching session

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

* revert rename

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

* fix comments

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

* renaming and more comments

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

* review feedback

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

* Run Fetch task in correct session

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

* Log warning when ancestors unavailable

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

* Fixes

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>

* fix

Signed-off-by: Andrei Sandu <andrei-mihail@parity.io>
This commit is contained in:
sandreim
2022-01-26 17:17:46 +02:00
committed by GitHub
parent 2661930b77
commit 806cb541b7
10 changed files with 80 additions and 41 deletions
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polkadot/node/subsystem-util/src/runtime/mod.rs
+10 -9
View File
@@ -117,8 +117,9 @@ impl RuntimeInfo {
}
}
/// Retrieve the current session index.
pub async fn get_session_index<Sender>(
/// Returns the session index expected at any child of the `parent` block.
/// This does not return the session index for the `parent` block.
pub async fn get_session_index_for_child<Sender>(
&mut self,
sender: &mut Sender,
parent: Hash,
@@ -141,14 +142,14 @@ impl RuntimeInfo {
pub async fn get_session_info<'a, Sender>(
&'a mut self,
sender: &mut Sender,
parent: Hash,
relay_parent: Hash,
) -> Result<&'a ExtendedSessionInfo>
where
Sender: SubsystemSender,
{
let session_index = self.get_session_index(sender, parent).await?;
let session_index = self.get_session_index_for_child(sender, relay_parent).await?;
self.get_session_info_by_index(sender, parent, session_index).await
self.get_session_info_by_index(sender, relay_parent, session_index).await
}
/// Get `ExtendedSessionInfo` by session index.
@@ -185,7 +186,7 @@ impl RuntimeInfo {
pub async fn check_signature<Sender, Payload, RealPayload>(
&mut self,
sender: &mut Sender,
parent: Hash,
relay_parent: Hash,
signed: UncheckedSigned<Payload, RealPayload>,
) -> Result<
std::result::Result<Signed<Payload, RealPayload>, UncheckedSigned<Payload, RealPayload>>,
@@ -195,9 +196,9 @@ impl RuntimeInfo {
Payload: EncodeAs<RealPayload> + Clone,
RealPayload: Encode + Clone,
{
let session_index = self.get_session_index(sender, parent).await?;
let info = self.get_session_info_by_index(sender, parent, session_index).await?;
Ok(check_signature(session_index, &info.session_info, parent, signed))
let session_index = self.get_session_index_for_child(sender, relay_parent).await?;
let info = self.get_session_info_by_index(sender, relay_parent, session_index).await?;
Ok(check_signature(session_index, &info.session_info, relay_parent, signed))
}
/// Build `ValidatorInfo` for the current session.