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Robert Habermeier b7aac51341 A fast-path for requesting AvailableData from backing validators (#2453 )

* guide changes for a fast-path requesting from backing validators

* add backing group to availability recovery message

* add new phase to interaction

* typos

* add full data messages

* handle new network messages

* dispatch full data requests

* cleanup

* check chunk index

* test for invalid recovery

* tests

* Typos.

* fix some grumbles

* be more explicit about error handling and control flow

* fast-path param

* use with_chunks_only in Service

Co-authored-by: Robert Klotzner <robert.klotzner@gmx.at>

2021-02-17 13:51:50 -06:00

availability-distribution.md

Fix bug and further optimizations in availability distribution (#2104 )

2020-12-17 19:09:17 +00:00

availability-recovery.md

A fast-path for requesting AvailableData from backing validators (#2453 )

2021-02-17 13:51:50 -06:00

bitfield-distribution.md

Network Bridge Refactoring (#1535 )

2020-08-05 09:04:05 +00:00

bitfield-signing.md

Add candidate info to OccupiedCore (#2134 )

2020-12-18 11:20:37 +03:00

README.md

I am dumb and can't spell (#1366 )

2020-07-07 10:10:36 -04:00

README.md

Availability Subsystems

The availability subsystems are responsible for ensuring that Proofs of Validity of backed candidates are widely available within the validator set, without requiring every node to retain a full copy. They accomplish this by broadly distributing erasure-coded chunks of the PoV, keeping track of which validator has which chunk by means of signed bitfields. They are also responsible for reassembling a complete PoV when required, e.g. when a fisherman reports a potentially invalid block.