[MEL] - Enable Block Validation with MEL Support #4338
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…k-validator-enabled
…nLabs/nitro into raul/mel-block-validator-enabled
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❌ 49 Tests Failed:
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…ockvalidation Make L2-message preimages recorded by MEL validator available to block validator
Codecov Report❌ Patch coverage is Additional details and impacted files@@ Coverage Diff @@
## mel-validator-createvalidationentry #4338 +/- ##
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+ Coverage 28.46% 29.02% +0.56%
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Files 495 497 +2
Lines 58271 58784 +513
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+ Hits 16585 17064 +479
+ Misses 38662 38625 -37
- Partials 3024 3095 +71 |
ganeshvanahalli
requested changes
Feb 11, 2026
staker/mel_validator.go
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| }, | ||
| EndParentChainBlockHash: endState.ParentChainBlockHash, | ||
| }, 0, nil | ||
| }, currentState, nil |
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shouldnt this be endState instead of currentState?
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Should be the same but edited for correctness
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This PR completes the new, unified replay binary used by Nitro that can perform both message extraction and block execution. It also ties MEL into the block validator so that the block validator can operate over messages extracted by MEL. With MEL-enabled, the block validator's responsibility becomes quite simple: it simply asks for the latest MEL state that was validated, and schedules an Arbitrator execution run over a message. This PR adds a new
MEL-Enabled Validation Entry Creatorwhich contains the logic to deal with MEL in the block validator. This requires very few other changes to the block validator.We also add a system test that does the following: