starknet_api: add a util that compute a test block hash from block number

[meship-starkware]

number

[reviewable-StarkWare]

This change is 

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• Started at 2026-01-21T14:10:47Z
• Started at 2026-01-25T07:10:57Z

[meship-starkware]

• starknet_api: add a util that compute a test block hash from block number #11880 👈 (View in Graphite)
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[avivg-starkware]

@avivg-starkware reviewed 3 files and all commit messages, and made 2 comments.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @meship-starkware and @noaov1).

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crates/starknet_api/src/test_utils.rs line 228 at r1 (raw file):

/// Computes a deterministic block hash for testing purposes.
/// The hash is computed as `block_number * 100`.

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[noaov1]

@noaov1 reviewed 3 files and all commit messages, and made 2 comments.
Reviewable status: all files reviewed, 2 unresolved discussions (waiting on @avivg-starkware and @meship-starkware).

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crates/starknet_api/src/test_utils.rs line 228 at r1 (raw file):

Previously, avivg-starkware wrote…

optional

+1

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crates/blockifier/src/test_utils.rs line 434 at r1 (raw file):

/// Generates deterministic block hash storage updates for historical blocks.
/// Populates a range of blocks with deterministic hash values using `test_block_hash`.

Suggestion:

/// Populates a range of blocks with deterministic hash values.

[meship-starkware]

@meship-starkware resolved 2 discussions.
Reviewable status: 1 of 3 files reviewed, all discussions resolved (waiting on @avivg-starkware and @noaov1).

[meship-starkware]

@meship-starkware reviewed 2 files and all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @avivg-starkware).