Context

The 2nd part of of the DAL latency reduction: bakers send the attestation status as soon as possible, by using a fixed set of lags, instead of a single one. The first part was the reduction of the attestation_lag parameter, done in %DAL: reduce `attestation_lag`.

[Draft] Work breakdown

Economic protocol

• introduce feature flag - !20125 (merged)
• introduce new attestation_lags parameter - !19994 (merged)
• distinguish baker attestations from protocol attestations - !20230 (merged)
• introduce new DAL attestations' representation - !20227 (merged)
• book-keeping (to be further refined)
• optimize storage of attesters in the context
• new skip-list search function - !20252
• skip-list migration

DAL node

• adapt No_shards_assigned event
• maintain cache of attested slots in attestation window
• adapt accuser

Baker

• use new format

DAL/Rollup integration

• new inbox message type - !20140
• kernel SDK: support new message type - !20176
• adapt Etherlink kernel - !20143