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 68.55%. Comparing base (861b3c2) to head (e337479).

Additional details and impacted files

@@                     Coverage Diff                      @@
##           rdr/add-syscall-counting    #1551      +/-   ##
============================================================
+ Coverage                     68.48%   68.55%   +0.06%     
============================================================
  Files                           102      103       +1     
  Lines                         13662    13687      +25     
  Branches                      13662    13687      +25     
============================================================
+ Hits                           9357     9383      +26     
+ Misses                         3904     3903       -1     
  Partials                        401      401              

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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)

[meship-starkware]

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

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[meship-starkware]

Reviewed 2 of 3 files at r6, all commit messages.
Reviewable status: 6 of 7 files reviewed, 3 unresolved discussions (waiting on @noaov1 and @varex83)

[meship-starkware]

Reviewed 1 of 3 files at r6.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @noaov1)

[varex83]

Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @noaov1)

[avi-starkware]

Reviewed 2 of 6 files at r5, 2 of 3 files at r6, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on @noaov1)

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