runtime: Clear verification trace after block verification

oasisprotocol · Jan 20, 2023 · c564f71 · c564f71
1 parent 3a0c6df
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diff --git a/.changelog/5148.bugfix.md b/.changelog/5148.bugfix.md
@@ -0,0 +1 @@
+runtime: Clear verification trace after block verification
diff --git a/runtime/src/consensus/tendermint/verifier/mod.rs b/runtime/src/consensus/tendermint/verifier/mod.rs
@@ -139,6 +139,9 @@ impl Verifier {
         }
         .map_err(|err| Error::VerificationFailed(err.into()))?;
 
+        // Clear verification trace as it could otherwise lead to infinite memory growth.
+        instance.state.verification_trace.clear();
+
         cache.update_verified_block(&verified_block);
         self.update_insecure_posix_time(&verified_block);