blockifier: implement conversion from commitment state diff to state maps

[dorimedini-starkware]

No description provided.

[reviewable-StarkWare]

This change is 

[dorimedini-starkware]

• starknet_api: add and use StateRoots::EMPTY #13980
• central_systest_blobs: add some invokes #13978
• central_systest_blobs: support reverting invokes #13977
• central_systest_blobs: implement invoke from deploy function for code sharing #13976
• central_systest_blobs: deploy test contract(s) #13975
• central_systest_blobs: declare the test contract #13974
• central_systest_blobs: expect operator and fee token addresses #13973
• central_systest_blobs: deploy token contract #13972
• central_systest_blobs: sort state diff in preconfirmed block #13971
• central_systest_blobs: deploy operator account #13970
• central_systest_blobs: initial block production #13969
• central_systest_blobs: sort hashsets when dumping #13968
• central_systest_blobs: implement blob creation from blocks #13967
• central_systest_blobs: implement block production, given txs #13966
• blockifier: implement conversion from commitment state diff to state maps #13965 👈 (View in Graphite)
• central_systest_blobs: implement preconfirmed block creation #13964
• central_systest_blobs: first two bootstrap declares #13963
• central_systest_blobs: refactor skeleton into structured factory #13962
• central_systest_blobs: move blobs.json storage out of git, into GCS #13946
• apollo_consensus_orchestrator: add Deserialize for testing #13945
• main

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[cursor]

PR Summary

Low Risk
Low risk: the only behavior change is a new From<CommitmentStateDiff> for StateMaps impl gated behind test/feature = "testing", so it should not affect production code paths.

Overview
Adds a new (test-only) From<CommitmentStateDiff> for StateMaps conversion, enabling round-tripping between these diff representations. The conversion flattens storage_updates into the flat StateMaps.storage map and initializes declared_contracts to the default empty map.

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[nimrod-starkware]

@nimrod-starkware reviewed 1 file and all commit messages, and made 1 comment.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on yoavGrs).

[github-actions]

Artifacts upload workflows:

• Started at 2026-05-06T07:31:56Z
• Started at 2026-05-06T07:32:28Z

[graphite-app]

Merge activity

• May 6, 7:32 AM UTC: Graphite rebased this pull request, because this pull request is set to merge when ready.