refactor: move validation and error handling out of transport layer#23422
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…/lean-transport-layer # Conflicts: # yarn-project/txe/src/rpc_translator.ts
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BEGIN_COMMIT_OVERRIDE feat(txe): add TXE oracle version check to bootstrap (#23324) fix(txe): correct TXE_ORACLE_INTERFACE_HASH to match current oracle interface (#23460) feat(aztec-nr): add Serialize/Deserialize for EphemeralArray (#23417) refactor: move validation and error handling out of transport layer (#23422) feat(pxe)!: add source and block-range filtering to get_logs_by_tag (#23326) fix(txe): update TXE oracle interface hash for new AVM oracle methods (#23492) chore(ci): capture sandbox diagnostics on acceptance test failure (#23495) feat(aztec-nr)!: rename push_nullifier to push_nullifier_unsafe (#23488) feat(aztec-nr)!: add explicit custom_sync_state hook to AztecConfig (#23446) fix(ci): skip aztec-cli notify job when acceptance test is skipped (#23534) fix: released contract artifact aztec version (forward port of #23470) (#23500) fix: merge train conflicts (#23548) END_COMMIT_OVERRIDE
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Why we are doing this
rpc_translator.tsandoracle.tswere mixing serialization/deserialization with validation, error handling, and orchestration logic, making it hard to reason about and difficult to auto-generate in the future.Our fix
Validation, null checks, bounds enforcement, forbidden-operation throws, and the version compatibility check have all moved into the handler layer:
getNoteHashMembershipWitness,getNullifierMembershipWitness,getLowNullifierMembershipWitness,getPublicDataWitness,getBlockHeader,getAuthWitness) — handlers now return non-optional values and throw when the lookup fails.TXEPrivateExecutionOracle,TXEOraclePublicContext) by overriding methods to throw; the transport calls the handler without knowing the difference.MAX_PRIVATE_LOGS_PER_TX, offchain-effects length) moved into handlers.Buffer | undefined; transport no longer catches).TXESession.setTxeOracleVersion().MAX_OFFCHAIN_EFFECTS_PER_TXE_QUERYandMAX_OFFCHAIN_EFFECT_LENmoved fromtxe_oracle_version.tstotxe_session.ts, co-located with the validation that uses them.The transport is now pure serialize → delegate → deserialize. No behavior change.