feat: add BlockReplayService as a block-level alternative to TraceService#9711
Draft
Gabriel-Trintinalia wants to merge 11 commits intohyperledger:mainfrom
Draft
feat: add BlockReplayService as a block-level alternative to TraceService#9711Gabriel-Trintinalia wants to merge 11 commits intohyperledger:mainfrom
Gabriel-Trintinalia wants to merge 11 commits intohyperledger:mainfrom
Conversation
Signed-off-by: Gabriel-Trintinalia <gabriel.trintinalia@consensys.net>
Signed-off-by: Gabriel-Trintinalia <gabriel.trintinalia@consensys.net>
Signed-off-by: Gabriel-Trintinalia <gabriel.trintinalia@consensys.net>
Signed-off-by: Gabriel-Trintinalia <gabriel.trintinalia@consensys.net>
Signed-off-by: Gabriel-Trintinalia <gabriel.trintinalia@consensys.net>
Signed-off-by: Gabriel-Trintinalia <gabriel.trintinalia@consensys.net>
Signed-off-by: Gabriel-Trintinalia <gabriel.trintinalia@consensys.net>
matkt
requested changes
Jan 30, 2026
Comment on lines
89
to
95
| MutableWorldState worldState = getParentWorldState(blocks.getFirst()); | ||
| beforeTracing.accept(worldState); | ||
|
|
||
| final List<BlockReplayResult> results = new ArrayList<>(blocks.size()); | ||
|
|
||
| for (final Block block : blocks) { | ||
| worldState = getParentWorldState(block); |
Contributor
There was a problem hiding this comment.
You must close each open World State to prevent a memory leak
Contributor
Author
There was a problem hiding this comment.
fixed! Thanks!
Signed-off-by: Gabriel-Trintinalia <gabriel.trintinalia@consensys.net>
Signed-off-by: Gabriel-Trintinalia <gabriel.trintinalia@consensys.net>
matkt
reviewed
Jan 30, 2026
Contributor
matkt
left a comment
There was a problem hiding this comment.
The worldstate part seems to be better now
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.This suggestion is invalid because no changes were made to the code.Suggestions cannot be applied while the pull request is closed.Suggestions cannot be applied while viewing a subset of changes.Only one suggestion per line can be applied in a batch.Add this suggestion to a batch that can be applied as a single commit.Applying suggestions on deleted lines is not supported.You must change the existing code in this line in order to create a valid suggestion.Outdated suggestions cannot be applied.This suggestion has been applied or marked resolved.Suggestions cannot be applied from pending reviews.Suggestions cannot be applied on multi-line comments.Suggestions cannot be applied while the pull request is queued to merge.Suggestion cannot be applied right now. Please check back later.
The Trace Service currently replays individual transactions in isolation. This approach does not account for state changes that occur before transaction execution during block processing. This limitation makes transaction-level replay increasingly fragile as protocol complexity grows. This PR introduces a new
BlockReplayServicethat replays blocks using the same execution path as Besu’s block processing logic.Key characteristics: