[stable2512] Backport #11028#11042
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EgorPopelyaev merged 3 commits intostable2512from Feb 12, 2026
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# Description
Add `DecodeWithMemTracking` derive to `CompactProof` in
`substrate/primitives/trie/src/storage_proof.rs`.
`StorageProof` already derived `DecodeWithMemTracking` but
`CompactProof` in the same file was missed.
## Integration
No integration changes required for downstream projects. `CompactProof`
now implements `DecodeWithMemTracking`, which is a strictly additive
trait implementation. Existing code using `CompactProof` will continue
to work as before.
## Review Notes
Single-line change adding `DecodeWithMemTracking` to the derive macro
list on `CompactProof`:
```diff
-#[derive(Debug, PartialEq, Eq, Clone, Encode, Decode, TypeInfo)]
+#[derive(Debug, PartialEq, Eq, Clone, Encode, Decode, DecodeWithMemTracking, TypeInfo)]
pub struct CompactProof {
pub encoded_nodes: Vec<Vec<u8>>,
}
```
`CompactProof` only contains `Vec<Vec<u8>>`, which already implements
`DecodeWithMemTracking`, so the derive works without any manual
implementation.
---------
Co-authored-by: cmd[bot] <41898282+github-actions[bot]@users.noreply.github.com>
(cherry picked from commit fbddee8)
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Backport #11028 into
stable2512from snowmead.See the documentation on how to use this bot.