feat(blockifier): add support for sha256_process_block syscall

[varex83]

This PR adds support for the sha256_process_block syscall for cairo native's syscall handler.

[reviewable-StarkWare]

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 67.47%. Comparing base (e3165c4) to head (097ae6a).
Report is 319 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1545       +/-   ##
===========================================
+ Coverage   40.10%   67.47%   +27.37%     
===========================================
  Files          26      103       +77     
  Lines        1895    13913    +12018     
  Branches     1895    13913    +12018     
===========================================
+ Hits          760     9388     +8628     
- Misses       1100     4124     +3024     
- Partials       35      401      +366     

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[meship-starkware]

Reviewed 1 of 1 files at r5.
Reviewable status: 1 of 5 files reviewed, 2 unresolved discussions (waiting on @noaov1 and @varex83)

---

crates/blockifier/src/execution/native/entry_point_execution.rs line 74 at r5 (raw file):

    let versioned_constants = syscall_handler.context.versioned_constants();
    *syscall_handler.resources +=
        &versioned_constants.get_additional_os_syscall_resources(&syscall_handler.syscall_counter);

It seems like these lines are duplicated.

Suggestion:

    // todo(rodrigo): execution resources for native execution are still wip until future
    // development on both Cairo lang and the Native compiler
    let versioned_constants = syscall_handler.context.versioned_constants();
    *syscall_handler.resources +=
        &versioned_constants.get_additional_os_syscall_resources(&syscall_handler.syscall_counter);

---

crates/blockifier/src/test_utils/cairo_compile.rs line 198 at r5 (raw file):

    sierra_output.stdout
}

I don't think this should be part of this PR. Is it here because this PR is based on add_syscall_counting and not add_native_suppourt_in_testing_suite?

Code quote:

pub fn sierra_compile(
    path: String,
    git_tag_override: Option<String>,
    cargo_nightly_arg: Option<String>,
) -> Vec<u8> {
    prepare_cairo1_compiler_deps(git_tag_override);

    let cairo1_compiler_path = local_cairo1_compiler_repo_path();

    // Command args common to both compilation phases.
    let mut base_compile_args = vec![
        "run".into(),
        format!("--manifest-path={}/Cargo.toml", cairo1_compiler_path.to_string_lossy()),
        "--bin".into(),
    ];
    // Add additional cargo arg if provided. Should be first arg (base command is `cargo`).
    if let Some(nightly_version) = cargo_nightly_arg {
        base_compile_args.insert(0, format!("+nightly-{nightly_version}"));
    }

    // Cairo -> Sierra.
    let mut starknet_compile_commmand = Command::new("cargo");
    starknet_compile_commmand.args(base_compile_args.clone());
    starknet_compile_commmand.args(["starknet-compile", "--", "--single-file", &path]);
    let sierra_output = run_and_verify_output(&mut starknet_compile_commmand);

    sierra_output.stdout
}

[meship-starkware]

Reviewed 1 of 1 files at r1, 1 of 1 files at r2, 1 of 1 files at r3, 1 of 2 files at r4, all commit messages.
Reviewable status: all files reviewed, 2 unresolved discussions (waiting on @noaov1 and @varex83)

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[noaov1]

Reviewed 1 of 1 files at r5, 4 of 4 files at r6, all commit messages.
Reviewable status: all files reviewed, 2 unresolved discussions (waiting on @meship-starkware and @varex83)

---

crates/blockifier/src/execution/native/syscall_handler.rs line 326 at r6 (raw file):

        )?;

        let data_as_bytes = sha2::digest::generic_array::GenericArray::from_exact_iter(

Suggestion:

let current_block_as_bytes = sha2::digest::generic_array::GenericArray:

[avi-starkware]

Reviewed 1 of 1 files at r5, 1 of 4 files at r6, all commit messages.
Reviewable status: all files reviewed, 2 unresolved discussions (waiting on @meship-starkware and @varex83)

[meship-starkware]

Reviewed 1 of 4 files at r6.
Reviewable status: all files reviewed, 2 unresolved discussions (waiting on @varex83)

[varex83]

Reviewable status: all files reviewed, 2 unresolved discussions (waiting on @meship-starkware and @noaov1)

---

crates/blockifier/src/execution/native/syscall_handler.rs line 326 at r6 (raw file):

        )?;

        let data_as_bytes = sha2::digest::generic_array::GenericArray::from_exact_iter(

Named like that just to be consistent with the current VM implementation:

sequencer/crates/blockifier/src/execution/syscalls/mod.rs

Line 766 in 2084527

let data_as_bytes =

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[meship-starkware]

Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @noaov1)

[avi-starkware]

Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @noaov1)

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[meship-starkware]

Reviewed 5 of 5 files at r7, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @noaov1)

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[meship-starkware]

Reviewed 2 of 2 files at r8, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @varex83)