feat(blockifier): add replace_class cairo native syscall

[PearsonWhite]

Implements thereplace_class syscall for native cairo syscall handler.

[reviewable-StarkWare]

This change is 

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[varex83]

Please, rebase / change target branch to #1305

Reviewable status: 0 of 4 files reviewed, 3 unresolved discussions (waiting on @PearsonWhite)

---

crates/blockifier/src/execution/native/syscall_handler.rs line 180 at r3 (raw file):

            .state
            .get_compiled_contract_class(class_hash)
            .expect("Failed to get ContractClass from class hash: {class_hash}.");

Please, be consistent with VM implementation, return the runtime error here, not panic

---

crates/blockifier/src/execution/native/syscall_handler.rs line 186 at r3 (raw file):

                let err =
                    &SyscallExecutionError::ForbiddenClassReplacement { class_hash }.to_string();
                panic!("{err:?}");

Don't use panic here

---

crates/blockifier/src/execution/native/syscall_handler.rs line 191 at r3 (raw file):

                self.state
                    .set_class_hash_at(self.contract_address, class_hash)
                    .expect("Failed to set class hash for class hash: {class_hash}.");

And here

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 69.04%. Comparing base (e3165c4) to head (8a2e742).
Report is 410 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1551       +/-   ##
===========================================
+ Coverage   40.10%   69.04%   +28.93%     
===========================================
  Files          26      105       +79     
  Lines        1895    13665    +11770     
  Branches     1895    13665    +11770     
===========================================
+ Hits          760     9435     +8675     
- Misses       1100     3827     +2727     
- Partials       35      403      +368     

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[PearsonWhite]

I rebased it onto rdr/add-syscall-counting because it doesn't depend on rdr/native-storage-read.

Reviewable status: 0 of 5 files reviewed, 3 unresolved discussions (waiting on @varex83)

---

crates/blockifier/src/execution/native/syscall_handler.rs line 180 at r3 (raw file):

Previously, varex83 (Bohdan Ohorodnii) wrote…

Please, be consistent with VM implementation, return the runtime error here, not panic

Done.

---

crates/blockifier/src/execution/native/syscall_handler.rs line 186 at r3 (raw file):

Previously, varex83 (Bohdan Ohorodnii) wrote…

Don't use panic here

Done.

---

crates/blockifier/src/execution/native/syscall_handler.rs line 191 at r3 (raw file):

Previously, varex83 (Bohdan Ohorodnii) wrote…

And here

Done.

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[meship-starkware]

Reviewed 1 of 5 files at r4, 5 of 6 files at r5, all commit messages.
Reviewable status: 6 of 7 files reviewed, 3 unresolved discussions (waiting on @noaov1 and @varex83)

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Reviewed 1 of 1 files at r8, all commit messages.
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[meship-starkware]

Reviewed 4 of 4 files at r10, all commit messages.
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[avi-starkware]

Reviewed 1 of 4 files at r10, 1 of 1 files at r11, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @noaov1 and @Yoni-Starkware)

[meship-starkware]

Reviewed 1 of 1 files at r11, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @noaov1 and @Yoni-Starkware)

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[meship-starkware]

Reviewed 1 of 2 files at r12, all commit messages.
Reviewable status: 6 of 7 files reviewed, 1 unresolved discussion (waiting on @avi-starkware, @noaov1, @PearsonWhite, and @Yoni-Starkware)

---

crates/blockifier/src/execution/syscalls/syscall_tests/replace_class.rs line 60 at r12 (raw file):

#[cfg_attr(
    feature = "cairo_native",
    test_case(FeatureContract::TestContract(CairoVersion::Native), 13850; "Native")

The previous gas price was the right price. I believe it will be fixed after the update.

Code quote:

test_case(FeatureContract::TestContract(CairoVersion::Native), 13850; "Native")

[meship-starkware]

Reviewed 1 of 2 files at r12.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @noaov1, @PearsonWhite, and @Yoni-Starkware)

[Yoni-Starkware]

Reviewed 2 of 2 files at r12, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @noaov1 and @PearsonWhite)