* First stab at downward messages.

That also includes a notion of horizontal messages.

* Add some structure to the router.

* Update `ValidationOutputs`

* Add `processed_downward_messages` to `ValidationOutputs`.

Forgot to check that in.

* s/AccountId/ParaId

* DownwardMessage::ParachainSpecfic

* s/ensure_horizontal_messages_fits/ensure_horizontal_messages_fit

* Clarify that Router called for each candidate

* Update the preamble for Router.

* Rewrite the relay-chain extrinsic routines

* Update gloassary

* Add DMP to the glossary

* If the queue is empty, `processed_downward_messages` can be 0

* WIP

* Add condemned list

* Pivot to message-storing channel based HRMP

* Finished draft

* Tidy up

* Remove a duplicate glossary entry

* Fix typo

* Fix wording to emphasize that the channel is unidirectional

* Proper decrement `HrmpOpenChannelRequestCount`

* Add a comment for `HrmpOpenChannelRequestCount`.

* Remove old configuration values.

* Be more specific about the para{chain,thread} hrmp chan limits.

* Fix indentation so the lists are rendendered properly

* "to answer **the**" question instead of "a"

* Add a missing call to `check_processed_downward_messages`

* Clean more stuff during offboarding

* Fix typo

* Fix typo for the config

* Add a call to `prune_dmq`

* Add explicit invariants for ingress/egress indexes

* Add comments for the sender/reciever deposit config fields

* Document various fields and structs in Router module

* More docs

* Missing docs in Candidate.md

* Tabs to spaces in router.md

* Apply Rob's suggestion

* Add the hrmp_ prefix to the router messages

* Those are entry points

* Use SessionIndex type for the `age` field

* Use a struct to represent `HrmpChannelId`

* Put only MQCs into the LocalValidationData

* Close request can be initiated by the runtime directly

* Close request can be initiated by the runtime directly

* tabs/spaces

* Maintain the list of the outgoing paras in Router

* Update roadmap/implementers-guide/src/runtime/inclusion.md

Co-authored-by: Robert Habermeier <[email protected]>

* fix typo

* Remove an unnecessary pair of code quotes

Co-authored-by: Robert Habermeier <[email protected]>

* Bump Substrate

* Bumb substrate again

Co-authored-by: Ashley Ruglys <[email protected]>

* WIP

* WIP

Forked at: e9164236
Parent branch: origin/rococo-branch

* WIP

Forked at: e9164236
Parent branch: origin/rococo-branch

* Apply suggestions from code review

* Update collator/src/lib.rs

* Update collator/src/lib.rs

* Update network/src/protocol/mod.rs

Small oversight, realised I was checking `git log version..old_version` rather than the other way round. Not sure how this slipped through

* Bump Substrate, version

* 0.8.22

* rename protocol ID to network capability

* guide: `ProtocolId` -> `NetworkCapability`

* guide: remove `RegisterEventProducer`

* capabilities and expand on underlying network assumptions

* guide: create network.md types file

* guide: network bridge is aware of network messages

* revert changes in code

* Update roadmap/implementers-guide/src/SUMMARY.md

Co-authored-by: Pierre Krieger <[email protected]>

* remove references to NetworkCapability

* Update roadmap/implementers-guide/src/types/network.md

Co-authored-by: Sergei Shulepov <[email protected]>

Co-authored-by: Pierre Krieger <[email protected]>
Co-authored-by: Sergei Shulepov <[email protected]>

* add weight for democracy

* update companion

* update companion

* remove democracy weight tests

* fix import

* fix name

* fix merge

* cargo update -p sp-io

* fix compile

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

* cargo.toml updates

* session and system

* more

* more

* more

* more

* more

* fix

* compiles

* fix tests

* fix more tests

* fix mock

* fix deleted space

* Update validation/Cargo.toml

Co-authored-by: Bastian Köcher <[email protected]>

* Update Cargo.lock

* update rococo

* remove unused warning

* update add benchmarks

* rename weight file

* forgot a file

* Update chain_spec.rs

* Revert "remove unused warning"

This reverts commit 4227cd0d

.

* fix merge

Co-authored-by: Bastian Köcher <[email protected]>

* Rewrite client handling

We are supporting muliple polkadot-like chains and all have different
client types. This pr reworks the client handling by having all of them
in one enum combined. Besides that, there is added a special trait
`ExecuteWithClient` to use the internal client.

* Apply suggestions from code review

Co-authored-by: Robert Habermeier <[email protected]>

* Up the versions

* Fix Cargo.lock

* Fix merge conflict

* ......................

* ....v2

* yep

* I'm dumb...

* Browser lol

Co-authored-by: Robert Habermeier <[email protected]>

* propagate chain_api subsystem through various locations

* add ChainApi to AllMessages

Co-authored-by: Peter Goodspeed-Niklaus <[email protected]>

* Add Rococo test network

* Correct license header

* Add bootNodes address

* Fix compile errors

* Change bootNodes

* Change rococo bootNodes

* Add new bootNodes

* Fix bootNodes typo

* Remove public telemetry

* Add rococo-local chain spec

* Remove staking

* Remove staking from chain spec

* use rococo-staging chain spec and preserve bootnodes

* Same but with --raw

* update chain name and remove telemetry

* Empty commit to re-trigger CI

* Fix revision (temp. until I merge master)

* Revert to branch = master to avoid conflicts

* Revert to branch = master to avoid conflicts

* Disable test (temp)

* Revert to branch = master to avoid conflicts

* Revert to branch = master to avoid conflicts

* Change bootNodes IPs for second rococo network

* Revert "Disable test (temp)"

This reverts commit a159f12e

.

* Revert purchase

* Update chain spec

* FUUU

* Update service/src/lib.rs

Co-authored-by: Robert Habermeier <[email protected]>

* Update runtime/rococo/src/lib.rs

Co-authored-by: Robert Habermeier <[email protected]>

* Fix compilation

Co-authored-by: Evaldo <[email protected]>
Co-authored-by: David Dorgan <[email protected]>
Co-authored-by: Cecile Tonglet <[email protected]>
Co-authored-by: Robert Habermeier <[email protected]>

* Cleanup upcoming paras

* Also remove pending genesis

* Not there but here

* Sudo wrapper for paras

* Move to separate module

* Add some docs

* Add notes about contextual execution

* Clarify that `validation_data_hash` consists of global and local data

* Update roadmap/implementers-guide/src/runtime/inclusion.md

Co-authored-by: Bastian Köcher <[email protected]>

* Incorporate rphmeier's suggestion.

Co-authored-by: Bastian Köcher <[email protected]>

* Fix test-runtime

* Remove duplicate tests

* Sort out validation errors

* Typo

* Fixed wasm/android build

* Fixed bad merge

* Fix transaction payment runtime api companion

Companion for Substrate pr: https://github.com/paritytech/substrate/pull/6792

* 'Update substrate'

Co-authored-by: parity-processbot <>

* rename rococo to rococo-v1

* update Cargo.lock

* Initial commit

* v0 to v1 primitives and remove attestations

* Review fixes

* implement candidate_events

* remove dead code

* chain-api subsystem skeleton

* chain-api subsystem: draft impl

* chain-api subsystem: mock testclient

* chain-api subsystem: impl HeaderBacked for TestClient

* chain-api subsystem: impl basic tests

* chain-api subsystem: tiny guide

* chain-api subsystem: rename ChainApiRequestMessage to ChainApiMessage

* chain-api subsystem: add the page to the ToC

* chain-api subsystem: proper error type

* chain-api subsystem: impl ancestors request

* chain-api subsystem: tests for ancestors request

* guide: fix ancestor return type

* runtime-api subsystem: remove unused dep

* fix fmt

* fix outdated comment

* chain-api subsystem: s/format/to_string

* lower-case subsystem names

* chain-api subsystem: resolve Finalized todo

* chain-api subsystem: remove TODO

* extract request errors into a module

* remove caching TODO

* fix imports

* Do a small write-up on collation-generation

* preamble to collator protocol

* notes on protocol

* collation-generation: point to collator protocol

* fix missing bracket

* expand on collator protocol wire protocol

* add a couple more sentences

* expand on requests some more

* go higher level

* network bridge: note peerset

* note peer-set = validation for protocols

* add `ConnectToValidators` message

* use ConnectToValidators in collator protocol

* typo

* remove references to sentry nodes

* guide: optimize diagrams for readability

* guide: inclusion subsystem diagram

* guide: rename Approval Subsystem for clarity

* guide: correct the approval subsystem

* guide: clarify that validator are selected from the same set

* guide: simplify secondary checkers labels

* initial build-wasms commit

* fix wasm builds

* add caching and artifact upload

* test for git dir

* Revert "test for git dir"

This reverts commit 295e4655.

* fix git version incompability

* attempt to fix caching

* Revert "fix git version incompability"

This reverts commit 1d22ffd2.

* add kusama job

* use a build matrix for building runtimes

* combine build-wasms and publish draft release

* attempt to name runtimes according to version

* Revert "attempt to name runtimes according to version"

This reverts commit 82f7b4dc.
Failed experiment

* name runtimes according to version #2

* fix asset path and name

* build wasms first, include prop hash

* skeleton for candidate-validation

* add to workspace

* implement candidate validation logic

* guide: note occupied-core assumption for candidate validation

* adjust message doc

* wire together `run` asynchronously

* add a Subsystem implementation

* clean up a couple warnings

* fix compilation errors due to merge

* improve candidate-validation.md

* remove old reference to subsystem-test helpers crate

* update Cargo.lock

* add a couple new Runtime API methods

* add a candidate validation message

* fetch validation data from the chain state

* some tests for assumption checking

* make spawn_validate_exhaustive mockable

* more tests on the error handling side

* fix all other grumbles except for wasm validation API change

* wrap a SpawnNamed in candidate-validation

* warn

* amend guide

* squanch warning

* remove duplicate after merge

* reduce slash defer durations

* update comments

* tests

* type defaults for ParachainHost

* add ValidationCode message

* implement core loop of runtime API subsystem

* subsystem trait implementation for runtime API subsystem

* implement a mock runtime API

* some tests that ensure requests are forwarded to runtime API correctly

* fix dependency grumbles

* improve RuntimeApiError API

* Update for balances weights

* remove unneeded tests

* Add file headers

* cargo update -p sp-io

* Add publish-draft-release Github action
* Remove publish_draft_release.sh gitlab job

* Update README docs related to local build

Closes #1476

* Update command per @ordian



Co-authored-by: Andronik Ordian <[email protected]>

* Remove reference to old install script

Co-authored-by: Andronik Ordian <[email protected]>

* Update substrate and add a trie-memory-tracker feature to the cli

* Update cli/Cargo.toml

Co-authored-by: Andronik Ordian <[email protected]>

Co-authored-by: Andronik Ordian <[email protected]>

Companion PR for `Add a `DefaultQueue` type alias to remove the need to use `sp_api::TransactionFor`` (#1499)

* BabeImportQueue -> DefaultImportQueue

* Use DefaultImportQueue from the top level of consensus_common

* 'Update substrate'

Co-authored-by: parity-processbot <>