fix: handle empty or malformed logs during message processing (#21192)#21598
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nchamo merged 3 commits intoMar 16, 2026
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Adapted to staging branch API: - Keep staging's process_message_ciphertext signature (4 args, no process_custom_message) - Keep staging's do_sync_state signature (3 params with offchain_inbox_sync) - Remove CustomMessageHandler references from test (not present on staging) - Add empty log guard with warn_log_format using macro-based logging
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nchamo
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Summary
Backport of #21192 to v4-next.
Cherry-pick of 9cc2833 with conflict resolution to adapt to staging branch API differences:
aztecnr_debug_log_format!/aztecnr_warn_log_format!(staging style)do_sync_statesignature (3 params withoffchain_inbox_sync)process_message_ciphertextsignature (4 args, noprocess_custom_message)aztec_utl_aes128Decryptmethod nameCustomMessageHandlerreferences not present on staging)Changes backported
AES128::decryptreturnsOption::none()instead of panicking on malformed ciphertextdo_sync_stateskips empty logs instead of panickingtry_fields_from_bytesnon-panicking conversion function