starknet_os: extract cairo blake run to function

[dorimedini-starkware]

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[reviewable-StarkWare]

This change is 

[dorimedini-starkware]

• starknet_os: recompute and assert the blake constants #14032 : 2 dependent PRs (#14033 , #14035 )
• blockifier: fix blake estimation offset by fixing constants #14034
• starknet_os: move blake constants to struct scope #14031
• starknet_os: extract cairo blake run to function #14030 👈 (View in Graphite)
• main

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PR Summary

Low Risk
Low risk refactor limited to test code, mainly reorganizing how the Cairo entrypoint is invoked and how resources are asserted.

Overview
Refactors the blake2s_test Cairo-vs-Rust comparison by extracting the Cairo0 call into a reusable helper cairo_encode_felt252_data_and_calc_blake_hash that returns both the hash result and filtered execution resources.

The test now uses this helper, simplifies error handling (panic on failure), and keeps the existing assertions for hash equality and resource-estimate equality.

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[dorimedini-starkware]

@dorimedini-starkware made 1 comment.
Reviewable status: 0 of 1 files reviewed, 1 unresolved discussion (waiting on AvivYossef-starkware and Yoni-Starkware).

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a discussion (no related file):
no logic changes - just extracted the function that runs the entrypoint