* expunge legacy code from polkadot-network

* mostly rip out old legacy protocol from service

* ensure validation work is spawned by incoming messages

* decouple availabliity store from network logic; clean up data flow

* av_store: test helpers and use futures-abort

* update polkadot-validation to pass n_validators when submitting chunks

* fallible erasure-chunk fetching

* implement `ErasureNetworking` for new network prot

* API for registering availability store in network

* fully integrate new network service into service

* fix validation tests

* scaffolding for porting collator over to new network

* track connected validators' peer IDs and distribute collators' collations

* helper in network for fetching all checked statements

* fix adder-collator

* actually register notifications protocol

* Update service/src/lib.rs

* merge with master

- #880
- #881

* ci: increase artifact retention period

* Switch branch

* Small changes

* Update substrate branch

* Switch

* Revert "Switch branch"

This reverts commit b9d48b2c.

* fix

* add `wipe` and `commit`

* Remove deprecated_host_interface

* Switch branch

* HasherFor -> HashFor

* More HasherFor changes

* Final touches

* Revert "Switch branch"

This reverts commit d0da2731

.

Co-authored-by: thiolliere <[email protected]>
Co-authored-by: Shawn Tabrizi <[email protected]>

* Begin to update to latest Substrate master

* Fix compilation

* Remove `Balances` from `OnKilledAccount`

* Update cli/src/command.rs

Co-Authored-By: Cecile Tonglet <[email protected]>

* Change gossip name

* Change again

Co-authored-by: Cecile Tonglet <[email protected]>

* Running a node without a database set in config is a bug, not a user error

* CI: Split common functions into lib.sh and make...

... alert_pending_release.sh check the substrate changes for various
labels. If labelled, will be included in the changelog, otherwise will
silently be left out.

* replace non-standard /bin/bash with /usr/bin/env bash

* CI: make lib.sh /bin/sh-compatible

* lib.sh: fix newline chars sometimes breaking has_label()

* check_runtime.sh: tag change with 'B2-breaksapi'...

... if any substrate changes are also labelled 'B2-breaksapi'

* Remove debug exits and uncomment labelling

* exit early if we label with breaksapi

* fix publish_draft_release.sh

* encode the candidate statement as only the hash

* refactor CandidateReceipt and CollationInfo

* introduce an abridged candidate receipt type

* erasure coding stores candidate receipt

* store omitted data instead and introduce AvailableData type

* refactor availability-store schema

* tweak schema and APIs a bit more

* get availability-store tests passing

* accept AbridgedCandidateReceipt in `set_heads`

* change statement type in primitives to be hash-only

* fix parachains runtime tests

* fix bad merge

* rewrite validation pipeline

* remove evaluation module

* use abridged candidate hash as canonical

* statement table uses abridged candidate receipts

* kill availability_store::Data struct

* port shared table to new validation pipelines

* extract full validation pipeline to helper

* remove old validation pipeline from collation module

* polkadot-validation compiles

* polkadot-validation tests compile

* make local collation available in validation service

* port legacy network code

* polkadot-network fully ported

* network: ensure fresh statement is propagated

* remove pov_block_hash from LocalValidationData

* remove candidate_hash field from AttestedCandidate and update runtime

* port runtimes to new ParachainHost definition

* port over polkadot-collator

* fix test compilation

* better fix

* remove unrelated validation work dispatch fix

* address grumbles

* fix equality check