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fix: runtime upgrades in unstable backend (#1348)

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This commit changes the following:

1. FollowEvent::Finalized: just remove the finalized and pruned blocks from runtimes
2. FollowEvent::Initalized: just remove the finalized block from runtimes

Co-authored-by: James Wilson <james@jsdw.me>
This commit is contained in:
Niklas Adolfsson
2024-01-16 11:58:19 +01:00
committed by GitHub
parent b356cf3b64
commit df85e46a62
1 changed files with 27 additions and 6 deletions
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subxt/src/backend/unstable/mod.rs
+27 -6
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@@ -353,7 +353,7 @@ impl<T: Config + Send + Sync + 'static> Backend<T> for UnstableBackend<T> {
.filter_map(move |ev| {
let output = match ev {
FollowEvent::Initialized(ev) => {
runtimes.clear();
runtimes.remove(&ev.finalized_block_hash.hash());
ev.finalized_block_runtime
}
FollowEvent::NewBlock(ev) => {
@@ -363,14 +363,35 @@ impl<T: Config + Send + Sync + 'static> Backend<T> for UnstableBackend<T> {
None
}
FollowEvent::Finalized(ev) => {
let next_runtime = ev
let next_runtime = {
let mut it = ev
.finalized_block_hashes
.iter()
.rev()
.filter_map(|h| runtimes.get(&h.hash()).cloned())
.peekable();
let next = it.next();
if it.peek().is_some() {
tracing::warn!(
target: "subxt",
"Several runtime upgrades in the finalized blocks but only the latest runtime upgrade is returned"
);
}
next
};
// Remove finalized and pruned blocks as valid runtime upgrades.
for block in ev
.finalized_block_hashes
.iter()
.rev()
.filter_map(|h| runtimes.get(&h.hash()).cloned())
.next();
.chain(ev.pruned_block_hashes.iter())
{
runtimes.remove(&block.hash());
}
runtimes.clear();
next_runtime
}
_ => None,