feat(avm): contract class mutation

[IlyasRidhuan]

Adds mutation for contract classses. This requires changing from simple ContractClass to ContractClassWithCommitment within the fuzzer.

We need the commitment so that when the contract class is mutated, we can re-compute: the class id and the contract address.

[IlyasRidhuan]

• feat(avm): fuzzer treats enqueued call size as coverage #19615
• chore(avm): analyze fuzzer corpus distribution #19614
• feat(avm): protocol contractg mutations #19586
• feat(avm): mutate global gas fees and timestamp #19500
• feat(avm): contract instance mutation #19499
• feat(avm): contract class mutation #19498 👈 (View in Graphite)
• feat(avm): avm fuzzer bytecode mutation #19378
• feat(avm): gas mutations #19348
• feat(avm): mutations for accumulated data #19347
• fix(avm): capping rd size and fixing pipes #19420
• merge-train/avm

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[AztecBot]

Flakey Tests

🤖 says: This CI run detected 4 tests that failed, but were tolerated due to a .test_patterns.yml entry.

\033FLAKED\033 (8;;http://ci.aztec-labs.com/5a88ff93aba3260c�5a88ff93aba3260c8;;�):  yarn-project/end-to-end/scripts/run_test.sh simple src/e2e_epochs/epochs_invalidate_block.parallel.test.ts "committee member invalidates a block if proposer does not come through" (94s) (code: 1) group:e2e-p2p-epoch-flakes (\033IlyasRidhuan\033: feat(avm): contract class mutation)
\033FLAKED\033 (8;;http://ci.aztec-labs.com/18c2ce120400d9db�18c2ce120400d9db8;;�): yarn-project/end-to-end/scripts/run_test.sh web3signer src/composed/web3signer/e2e_multi_validator_node_key_store.test.ts (35s) (code: 1) (\033IlyasRidhuan\033: feat(avm): contract class mutation)
\033FLAKED\033 (8;;http://ci.aztec-labs.com/ee2a604854608bea�ee2a604854608bea8;;�):  yarn-project/end-to-end/scripts/run_test.sh simple src/e2e_p2p/gossip_network.test.ts (428s) (code: 1) group:e2e-p2p-epoch-flakes (\033IlyasRidhuan\033: feat(avm): contract class mutation)
\033FLAKED\033 (8;;http://ci.aztec-labs.com/2def6311a768668c�2def6311a768668c8;;�): ./boxes/scripts/run_test.sh react chromium (602s) (code: 124) (\033IlyasRidhuan\033: feat(avm): contract class mutation)

[sirasistant]

Looks good! With this approach of bytecode mutations and classes mutations, the mutation only lives for one iteration (further mutations will clear the contract classes). We can probably improve this so they are longer lived, by changing the approach of rebuild everything on every mutation to rebuild what's needed. But for now it's probably fine.

[IlyasRidhuan]

yep! thanks for the reminder, we should just mutate 1 bytecode per iteration i think.