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48 Commits
Author SHA1 Message Date
Sergei Shulepov 8b59544660 Allow the watermark to always land on the relay parent (#1689) 2020-09-10 15:55:06 +00:00
Sergei Shulepov e40ec81685 Limit the maximum size of a downward message (#1690) 2020-09-10 15:39:55 +00:00
Peter Goodspeed-NiklausandBernhard Schuster d1b1c17285 implement candidate selection subsystem (#1645) 
* choose the straightforward candidate selection algorithm for now

* add draft implementation of candidate selection

* fix typo in summary

* more properly report misbehaving collators

* describe how CandidateSelection subsystem becomes aware of candidates

* revise candidate selection / collator protocol interaction pattern

* implement rest of candidate selection per the guide

* review: resolve nits

* start writing test suite, harness

* implement first test

* add second test

* implement third test

Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>
 2020-09-08 09:48:48 +00:00
Ximin Luo 2f800d1489 implementers-guide: more structure for overview pages, clarify some definitions (#1682) 2020-09-04 15:44:14 +00:00
Sergei Shulepov 08789c8f1c Allow negotiating the HRMP limits. (#1673) 2020-09-02 14:33:28 +00:00
Sergei Shulepov 7ba20347d8 Integrate DMP into PersistentValidationData (#1666) 2020-09-02 13:51:01 +00:00
Sergei Shulepov 1ec4c452d0 Limit (#1632) 
Limit the number of channels a para can have.

Split HrmpTransientValidationData and add stuff.
 2020-09-02 09:17:33 -04:00
Sergei Shulepov 30d2db67e6 Extinguish DispatchResult (#1667) 2020-09-02 09:13:56 -04:00
Sergei ShulepovandBernhard Schuster 08afcfca76 Implementer's Guide: Messaging cleanups (#1664) 
* Multiple fix ups

* Remove missed HrmpOpenChannelRequestCount

* Fix the invariant string for HrmpOpenChannelRequestCount

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

Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>

* Add small clarification

* Fix another small typo

* Add a clarification to InboundHrmpMessage.sent_at

Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>
 2020-08-31 14:55:26 +00:00
Sergei ShulepovBastian KöcherBernhard Schuster
 		40c7db118d Implementer's Guide: Incorporate HRMP to TransientValidationData (#1588) 
* Add a note about time of collection of TransientValidationData

* Add HRMP digest and dmq length to TransientValidationData

* Add a note that the vector in hrmp digest is never empty

* Add hrmp watermark to TransientValidationData

* Add HRMP egress limits

* Incorporate the latest dispatchable upward messages changes.

* Update candidate.md

* Update candidate.md docs

* Fix wording

* Delete assignmets.md

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

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Extract HrmpTransientValidationData and add additional data.

* Some clarifications.

* Introduce HrmpAbridgedOpenChannelRequest

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

Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>

* Fix typo: egress->ingress

* A note about sorting

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>
 2020-08-31 12:01:36 +00:00
Robert HabermeierandFedor Sakharov d246a2889e Extract Assignments and Approval guide text to an Approval informational section (#1638) 
* move validity module to disputes module

* prepare a section on approvals

* extract approval/assignments text to an overview section

* Apply suggestions from code review

Spelling

Co-authored-by: Fedor Sakharov <fedor.sakharov@gmail.com>
 2020-08-31 11:57:51 +03:00
Ximin Luo 0c39159c43 implementers-guide: in TOC move collators before backing, to match protocol pipeline (#1611) 2020-08-18 14:11:36 +00:00
Jeff BurdgesRobert Habermeierhndnklnc
 		46b895e869 Initial guide text for approvals and especially approvals assignments (#1518) 
* Initial guide modifications for approvals

* Split approval assignments keys and approval votes keys

This should avoid the political problems with validator operators
wnting everything to be a remote signer.

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

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

* Update roadmap/implementers-guide/src/node/validity/assignments.md

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

* Update roadmap/implementers-guide/src/node/validity/assignments.md

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

* Update roadmap/implementers-guide/src/node/validity/assignments.md

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

* Update roadmap/implementers-guide/src/node/validity/assignments.md

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

* Update roadmap/implementers-guide/src/node/validity/assignments.md

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

* Update roadmap/implementers-guide/src/node/validity/assignments.md

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

* Update roadmap/implementers-guide/src/node/validity/assignments.md

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

* Update roadmap/implementers-guide/src/node/validity/approvals.md

Co-authored-by: hndnklnc <handankilinc1@gmail.com>

* Update roadmap/implementers-guide/src/node/validity/approvals.md

Co-authored-by: hndnklnc <handankilinc1@gmail.com>

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

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

* Not sure where these go..

* Update roadmap/implementers-guide/src/node/validity/approvals.md

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

* Local clock leniency

* Explain HSM blabla

* double word

* Clarify okasing things on-chain

* Assignments integration with relative time

* minor tweaks

* Clarify structure and work savings

* Use included more

* Cleanup and paramaters

See https://github.com/w3f/research-internal/issues/515

* More on GRANDPA

* Explain relay equivocation relevance

* Address postponement and on-chain verification somewhat

* small bit more explination

* just use ed25519 here: could -> should

* spelling

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>
Co-authored-by: hndnklnc <handankilinc1@gmail.com>
 2020-08-18 15:14:55 +02:00
Robert HabermeierandPeter Goodspeed-Niklaus 262574fc49 Implement validation data refactor (#1585) 
* update primitives

* correct parent_head field

* make hrmp field pub

* refactor validation data: runtime

* refactor validation data: messages

* add arguments to full_validation_data runtime API

* port runtime API

* mostly port over candidate validation

* remove some parameters from ValidationParams

* guide: update candidate validation

* update candidate outputs

* update ValidationOutputs in primitives

* port over candidate validation

* add a new test for no-transient behavior

* update util runtime API wrappers

* candidate backing

* fix missing imports

* change some fields of validation data around

* runtime API impl

* update candidate validation

* fix backing tests

* grumbles from review

* fix av-store tests

* fix some more crates

* fix provisioner tests

* fix availability distribution tests

* port collation-generation to new validation data

* fix overseer tests

* Update roadmap/implementers-guide/src/node/utility/candidate-validation.md

Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com>

Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com>
 2020-08-18 14:41:40 +02:00
Sergei ShulepovBernhard SchusterRobert Habermeier
 		3395044402 Implementer's Guide: Make HRMP use upward message kinds (#1591) 
* Draft HRMP related message types

* Make HRMP use upward message kinds

* Incorporate changes into messaging.md

* Make docs a bit more clear

* Clarify remove "D"

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

Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>

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

Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>

* Update router.md

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

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>
Co-authored-by: Robert Habermeier <rphmeier@gmail.com>
 2020-08-18 12:40:48 +02:00
Sergei Shulepov 4e727205ab Promote HrmpChannelId and supply more docs (#1595) 2020-08-17 17:28:22 +00:00
Peter Goodspeed-Niklaus 54bec3bfc0 implement collation generation subsystem (#1557) 
* start sketching out a collation generation subsystem

* invent a basic strategy for double initialization

* clean up warnings

* impl util requests from runtime assuming a context instead of a FromJob sender

* implement collation generation algorithm from guide

* update AllMessages in tests

* fix trivial review comments

* remove another redundant declaration from merge

* filter availability cores by para_id

* handle new activations each in their own async task

* update guide according to the actual current implementation

* add initialization to guide

* add general-purpose subsystem_test_harness helper

* write first handle_new_activations test

* add test that handle_new_activations filters local_validation_data requests

* add (failing) test of collation distribution message sending

* rustfmt

* broken: work on fixing sender test

Unfortunately, for reasons that are not yet clear, despite the public key
and checked data being identical, the signer is not producing an identical
signature. This commit produces this output (among more):

signing with  Public(c4733ab0bbe3ba4c096685d1737a7f498cdbdd167a767d04a21dc7df12b8c858 (5GWHUNm5...))
checking with Public(c4733ab0bbe3ba4c096685d1737a7f498cdbdd167a767d04a21dc7df12b8c858 (5GWHUNm5...))
signed payload:  [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 10, 0, 0, 0, c7, e5, c0, 64, 7a, db, fe, 44, 81, e5, 51, 11, 79, 9f, a5, 63, 93, 94, 3c, c4, 36, c6, 30, 36, c2, c5, 44, a2, 1b, db, b7, 82, 3, 17, a, 2e, 75, 97, b7, b7, e3, d8, 4c, 5, 39, 1d, 13, 9a, 62, b1, 57, e7, 87, 86, d8, c0, 82, f2, 9d, cf, 4c, 11, 13, 14]
checked payload: [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 10, 0, 0, 0, c7, e5, c0, 64, 7a, db, fe, 44, 81, e5, 51, 11, 79, 9f, a5, 63, 93, 94, 3c, c4, 36, c6, 30, 36, c2, c5, 44, a2, 1b, db, b7, 82, 3, 17, a, 2e, 75, 97, b7, b7, e3, d8, 4c, 5, 39, 1d, 13, 9a, 62, b1, 57, e7, 87, 86, d8, c0, 82, f2, 9d, cf, 4c, 11, 13, 14]

* fix broken test

* collation function returns commitments hash

It doesn't look like we use the actual commitments data anywhere, and
it's not obvious if there are any fields of `CandidateCommitments`
not available to the collator, so this commit just assigns them the
entire responsibility of generating the hash.

* add missing overseer impls

* calculating erasure coding is polkadot's responsibility, not cumulus

* concurrentize per-relay_parent requests
 2020-08-17 14:27:37 +02:00
Sergei ShulepovandRobert Habermeier 56bb796244 Implementer's Guide: Flesh out more details for upward messages (#1556) 
* Take 2 at the upward messages

* Trying to restore stuff from unsuccesful rebase

* Fix whitespace

* Clean up

* Change rustdoc to comment

* Pivot to a less stricter, w.r.t. to acceptance, model

* Rename `max_upward_message_num_per_candidate`

* Update docs for DownwardMessage

* Apply suggestions from code review

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

* Rephrase "Dispatchable objects ready to ..."

* Finish the sentence

* Add a note about imprecision of the current weight formula

* Elaborate on potential use-cases for the upward message kinds.

* s/later/below

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>
 2020-08-14 14:03:30 +00:00
Robert HabermeierBernhard SchusterSergei Shulepov
 		2a96c19370 guide: validation data refactoring (#1576) 
* guide: validation data refactoring

* address grumbles from review

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

Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>

* last comments from review

Co-authored-by: Sergei Shulepov <sergei@parity.io>
Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>
 2020-08-13 14:22:13 +00:00
Dan ForbesandSergei Shulepov 8e60a5197f Augment Implementer's Guide XCMP docs (#1569) 
* Augment Implementer's Guide XCMP docs

* Remove the note about the third category

* Make Cross-Chain Message Passing a h3

Co-authored-by: Sergei Shulepov <sergei@parity.io>
 2020-08-12 10:02:43 +00:00
Bernhard Schuster 4bdfd02f93 impl availability distribution 
Closes #1237
 2020-08-10 15:02:30 +02:00
Sergei Shulepov f6f80ece18 Implementer's guide: Messaging overview stub (#1405) 
* Introduce the Messaging Overview doc

* Update to the latest thinking
 2020-08-07 18:01:05 +02:00
Peter Goodspeed-Niklaus 21cec309a4 implement provisioner (#1473) 
* sketch out provisioner basics

* handle provisionable data

* stub out select_inherent_data

* split runtime APIs into sub-chapters to improve linkability

* explain SignedAvailabilityBitfield semantics

* add internal link to further documentation

* some more work figuring out how the provisioner can do its thing

* fix broken link

* don't import enum variants where it's one layer deep

* make request_availability_cores a free fn in util

* document more precisely what should happen on block production

* finish first-draft implementation of provisioner

* start working on the full and proper backed candidate selection rule

* Pass number of block under construction via RequestInherentData

* Revert "Pass number of block under construction via RequestInherentData"

This reverts commit 850fe62cc0dfb04252580c21a985962000e693c8.

That initially looked like the better approach--it spent the time
budget for fetching the block number in the proposer, instead of
the provisioner, and that felt more appropriate--but it turns out
not to be obvious how to get the block number of the block under
construction from within the proposer. The Chain API may be less
ideal, but it should be easier to implement.

* wip: get the block under production from the Chain API

* add ChainApiMessage to AllMessages

* don't break the run loop if a provisionable data channel closes

* clone only those backed candidates which are coherent

* propagate chain_api subsystem through various locations

* add delegated_subsystem! macro to ease delegating subsystems

Unfortunately, it doesn't work right:

```
error[E0446]: private type `CandidateBackingJob` in public interface
   --> node/core/backing/src/lib.rs:775:1
    |
86  | struct CandidateBackingJob {
    | - `CandidateBackingJob` declared as private
...
775 | delegated_subsystem!(CandidateBackingJob as CandidateBackingSubsystem);
    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ can't leak private type
```

I'm not sure precisely what's going wrong, here; I suspect the problem is
the use of `$job as JobTrait>::RunArgs` and `::ToJob`; the failure would be
that it's not reifying the types to verify that the actual types are public,
but instead referring to them via `CandidateBackingJob`, which is in fact private;
that privacy is the point.

Going to see if I can generic my way out of this, but we may be headed for a
quick revert here.

* fix delegated_subsystem

The invocation is a bit more verbose than I'd prefer, but it's also
more explicit about what types need to be public. I'll take it as a win.

* add provisioning subsystem; reduce public interface of provisioner

* deny missing docs in provisioner

* refactor core selection per code review suggestion

This is twice as much code when measured by line, but IMO it is
in fact somewhat clearer to read, so overall a win.

Also adds an improved rule for selecting availability bitfields,
which (unlike the previous implementation) guarantees that the
appropriate postconditions hold there.

* fix bad merge double-declaration

* update guide with (hopefully) complete provisioner candidate selection procedure

* clarify candidate selection algorithm

* Revert "clarify candidate selection algorithm"

This reverts commit c68a02ac9cf42b3a4a28eb197d38633a40d0e3e6.

* clarify candidate selection algorithm

* update provisioner to implement candidate selection per the guide

* add test that no more than one bitfield is selected per validator

* add test that each selected bitfield corresponds to an occupied core

* add test that more set bits win conflicts

* add macro for specializing runtime requests; specailize all runtime requests

* add tests harness for select_candidates tests

* add first real select_candidates test, fix test_harness

* add mock overseer and test that success is possible

* add test that the candidate selection algorithm picks the right ones

* make candidate selection test somewhat more stringent
 2020-08-06 18:12:15 +02:00
Sergei ShulepovandRobert Habermeier 877a5059aa Implementer's guide: downward messages and HRMP, take 2 (#1503) 
* 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 <rphmeier@gmail.com>

* fix typo

* Remove an unnecessary pair of code quotes

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>
 2020-08-06 17:29:05 +02:00
Robert HabermeierPierre KriegerSergei Shulepov
 		f554868cd4 Network Bridge Refactoring (#1535) 
* 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 <pierre.krieger1708@gmail.com>

* remove references to NetworkCapability

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

Co-authored-by: Sergei Shulepov <sergei@parity.io>

Co-authored-by: Pierre Krieger <pierre.krieger1708@gmail.com>
Co-authored-by: Sergei Shulepov <sergei@parity.io>
 2020-08-05 09:04:05 +00:00
Sergei Shulepov 9eb9d41418 Fix a typo parathreads -> parachains (#1529) 2020-08-04 11:25:48 +03:00
Sergei ShulepovandBastian Köcher 2afa2b035f Implementer's guide: notes on contextual execution (#1525) 
* 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 <bkchr@users.noreply.github.com>

* Incorporate rphmeier's suggestion.

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
 2020-08-03 19:30:12 +00:00
Andronik Ordian 596ce826e8 Chain API subsystem (#1498) 
* 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
 2020-07-31 16:02:16 +00:00
Robert Habermeier 490f80d8c7 guide: collator networking & subsystems (#1452) 
* 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
 2020-07-31 11:07:31 -04:00
Andronik Ordian ea834b12de Guide: add a diagram for Inclusion Pipeline & Approval Subsystem (#1457) 
* 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
 2020-07-31 14:28:45 +00:00
Robert Habermeier 5253a05555 Candidate Validation Subsystem (#1432) 
* 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
 2020-07-30 21:50:11 +00:00
Fedor SakharovandPeter Goodspeed-Niklaus 824c6245e2 Availability store subsystem guide (#1424) 
* Improve AVStore and Scheduler docs

* Update roadmap/implementers-guide/src/node/utility/availability-store.md

Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com>

* Bug in linking to README.md

* Update against new runtime apis

Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com>
 2020-07-27 18:12:31 +03:00
Fedor Sakharov 32a20a178c Availability store subsystem (#1404) 
* Initial commit

* WIP

* Make atomic transactions

* Remove pruning code

* Fix build and add a Nop to bridge

* Fixes from review

* Move config struct around for clarity

* Rename constructor and warn on missing docs

* Fix a test and rename a message

* Fix some more reviews

* Obviously failed to rebase cleanly
 2020-07-27 14:13:02 +03:00
Robert Habermeier 09f602f8de Include a reference to the validation data in the candidate descriptor (#1442) 
* rename GlobalValidationSchedule to GlobalValidationData

* guide: update candidate descriptor to contain validation data hash

* guide: add note in inclusion module about checking validation data hash

* primitives: update CandidateDescriptor to contain new hash

* fix payload computation

* add helpers for computing validation data to runtime modules

* guide: note routines

* inclusion: check validation data hash and fix local_validation_data bug

* add a case to candidate_checks and improve that test substantially

* bump versions

* address review comments

* add a test for including code upgrade

* bump kusama version

* bump westend & polkadot versions
 2020-07-23 15:02:24 -04:00
Peter Goodspeed-NiklausandAndronik Ordian ba4bfa4dd0 implement bitfield signing subsystem (#1364) 
* update guide to reduce confusion and TODOs

* work from previous bitfield signing effort

There were large merge issues with the old bitfield signing PR, so
we're just copying all the work from that onto this and restarting.

Much of the existing work will be discarded because we now have better
tools available, but that's fine.

* start rewriting bitfield signing in terms of the util module

* implement construct_availability_bitvec

It's not an ideal implementation--we can make it much more concurrent--
but at least it compiles.

* implement the unimplemented portions of bitfield signing

* get core availability concurrently, not sequentially

* use sp-std instead of std for a parachain item

* resolve type inference failure caused by multiple From impls

* handle bitfield signing subsystem & Allmessages variant in overseer

* fix more multi-From inference issues

* more concisely handle overflow

Co-authored-by: Andronik Ordian <write@reusable.software>

* Revert "resolve type inference failure caused by multiple From impls"

This reverts commit 7fc77805de5e5074a1b01037f8d4e3919e03e0e1.

* Revert "fix more multi-From inference issues"

This reverts commit f14ffe589e20d664d8a900ed62f68b6fb844a514.

* impl From<i32> for ParaId

* handle another instance of AllSubsystems

* improve consistency when returning existing options

Co-authored-by: Andronik Ordian <write@reusable.software>
 2020-07-23 16:05:48 +02:00
Bernhard SchusterandRobert Habermeier a1c704d446 implement bitfield distribution subsystem (#1368) 
* feat bitfield distribution

* feat bitfield distribution part 2

* pair programming with rustc & cargo

* lets go

* move bitfield-distribution to the node/network folder

* shape shifting

* lunchtime

* ignore the two fn recursion for now

* step by step

* triplesteps

* bandaid commit

* unordered futures magic

* chore

* reword markdown

* clarify

* lacks abortable processing impl details

* slimify

* fix: warnings and avoid ctx.clone() improve comments

* review comments

* fix details

* make sure outgoing messages are tracked

* fix name

* fix subsystem

* partial test impl

* relax context bounds

* test

* X

* X

* initial test

* fix relay_message not tracked when origin is self

* fix/guide: grammar

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

* work around missing Eq+PartialEq

* fix: add missing message to provisioner

* unify per_job to job_data

* fix/review: part one

* fix/review: more grumbles

* fix/review: track incoming messages per peer

* fix/review: extract fn, avoid nested matches

* fix/review: more tests, simplify test

* fix/review: extend tests to cover more cases

* chore/rename: Tracker -> ProtocolState

* chore check and comment rewording

* feat test: invalid peer message

* remove ignored test cases and unused macros

* fix master merge fallout + warnings

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>
 2020-07-23 15:46:22 +03:00
Robert Habermeier 5be366d6dc Replace StartWork and StopWork with an ActiveLeavesUpdate signal (#1431) 2020-07-22 12:12:49 -04:00
Andronik Ordian e7a420be0f Scheduler: handle timeouts for no group rotation (#1439) 
* runtime: rename parachain_rotation_frequency to group_rotation_frequency

* scheduler: handle timeouts for no group rotation

* scheduler: apply fixes from code review

* scheduler: remove my comments
 2020-07-21 20:08:01 -04:00
Robert Habermeier dddde219a2 Implement Runtime APIs (#1411) 
* create a README on Runtime APIs

* add ParaId type

* write up runtime APIs

* more preamble

* rename

* rejig runtime APIs

* add occupied_since to `BlockNumber`

* skeleton crate for runtime API subsystem

* improve group_for_core

* improve docs on availability cores runtime API

* guide: freed -> free

* add primitives for runtime APIs

* create a v1 ParachainHost API trait

* guide: make validation code return `Option`al.

* skeleton runtime API helpers

* make parachain-host runtime-generic

* skeleton for most runtime API implementation functions

* guide: add runtime API helper methods

* implement new helpers of the inclusion module

* guide: remove retries check, as it is unneeded

* implement helpers for scheduler module for Runtime APIs

* clean up `validator_groups` implementation

* implement next_rotation_at and last_rotation_at

* guide: more helpers on GroupRotationInfo

* almost finish implementing runtime APIs

* add explicit block parameter to runtime API fns

* guide: generalize number parameter

* guide: add group_responsible to occupied-core

* update primitives due to guide changes

* finishing touches on runtime API implementation; squash warnings

* break out runtime API impl to separate file

* add tests for next_up logic

* test group rotation info

* point to filed TODO

* remove unused TODO [now]

* indentation

* guide: para -> para_id

* rename para field to para_id for core meta

* remove reference to outdated AvailabilityCores type

* add an event in `inclusion` for candidates being included or timing out

* guide: candidate events

* guide: adjust language

* Candidate events type from guide and adjust inclusion event

* implement `candidate_events` runtime API

* fix runtime test compilation

* max -> min

* fix typos

* guide: add `RuntimeAPIRequest::CandidateEvents`
 2020-07-18 16:01:51 -04:00
Andronik OrdianandRobert Habermeier 1ea2b27403 inclusion: split CandidatePendingAvailability according to the guide (#1413) 
* inclusion: split PendingAvailability storage into descriptor and commitments

* inclusion: fix tests

* implementers-guide: update CandidatePendingAvailability type

* inclusion: simplify process_candidates a bit

* implementers-guide: more updates to the inclusion module

* inclusion: fix copy-paste errors in tests

* inclusion: revert some of the changes

* inclusion: lazy commitments loading and a test

* guide: revert enact_candidate changes

* inclusion: test process_bitfield for no commitments

* Grammar

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>
 2020-07-16 21:27:49 -04:00
Robert HabermeierandPeter Goodspeed-Niklaus 6e00002582 Runtime APIs for node-side code (#1401) 
* create a README on Runtime APIs

* add ParaId type

* write up runtime APIs

* more preamble

* rename

* rejig runtime APIs

* add occupied_since to `BlockNumber`

* improve group_for_core

* improve docs on availability cores runtime API

* guide: freed -> free

* Update roadmap/implementers-guide/src/runtime-api/README.md

Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com>

* add explicit block parameter to runtime API fns

Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com>
 2020-07-16 20:34:43 -04:00
Robert HabermeierPeter Goodspeed-NiklausBernhard Schuster
 		f070202d4c add assumptions made by the Node-side (#1408) 
* add assumptions made by the Node-side

* Update roadmap/implementers-guide/src/node/README.md

Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com>

* Update roadmap/implementers-guide/src/node/README.md

Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com>

* Update roadmap/implementers-guide/src/node/README.md

Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>

* more refinements

Co-authored-by: Peter Goodspeed-Niklaus <coriolinus@users.noreply.github.com>
Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>
 2020-07-15 20:02:18 -04:00
Peter Goodspeed-Niklaus 3725bb6228 add more detail to provisioner block production section (#1370) 
Per https://github.com/paritytech/polkadot/commit/f210456#r40392855
 2020-07-10 08:36:38 +02:00
Robert Habermeier 3b13cd9a85 Refactor primitives (#1383) 
* create a v1 primitives module

* Improve guide on availability types

* punctuate

* new parachains runtime uses new primitives

* tests of new runtime now use new primitives

* add ErasureChunk to guide

* export erasure chunk from v1 primitives

* subsystem crate uses v1 primitives

* node-primitives uses new v1 primitives

* port overseer to new primitives

* new-proposer uses v1 primitives (no ParachainHost anymore)

* fix no-std compilation for primitives

* service-new uses v1 primitives

* network-bridge uses new primitives

* statement distribution uses v1 primitives

* PoV distribution uses v1 primitives; add PoV::hash fn

* move parachain to v0

* remove inclusion_inherent module and place into v1

* remove everything from primitives crate root

* remove some unused old types from v0 primitives

* point everything else at primitives::v0

* squanch some warns up

* add RuntimeDebug import to no-std as well

* port over statement-table and validation

* fix final errors in validation and node-primitives

* add dummy Ord impl to committed candidate receipt

* guide: update CandidateValidationMessage

* add primitive for validationoutputs

* expand CandidateValidationMessage further

* bikeshed

* add some impls to omitted-validation-data and available-data

* expand CandidateValidationMessage

* make erasure-coding generic over v1/v0

* update usages of erasure-coding

* implement commitments.hash()

* use Arc<Pov> for CandidateValidation

* improve new erasure-coding method names

* fix up candidate backing

* update docs a bit

* fix most tests and add short-circuiting to make_pov_available

* fix remainder of candidate backing tests

* squanching warns

* squanch it up

* some fallout

* overseer fallout

* free from polkadot-test-service hell
 2020-07-09 21:23:03 -04:00
Fedor Sakharov c119627835 CandidateBackingSubsystem (#1312) 
* Updates guide for CandidateBacking

* Move assignment types to primitives

* Initial implementation.

* More functionality

* use assert_matches

* Changes to report misbehaviors

* Some fixes after a review

* Remove a blank line

* Update guide and some types

* Adds run_job function

* Some comments and refactorings

* Fix review

* Remove warnings

* Use summary in kicking off validation

* Parallelize requests

* Validation provides local and global validation params

* Test issued validity tracking

* Nits from review
 2020-07-09 16:23:58 -04:00
Robert HabermeierandBernhard Schuster 8130d8210e Delay session changes' effects on parachains by 1 block (#1354) 
* note that the initializer is responsible for buffering session changes

* amend initializer definition to include session change buffering

* support buffered changes before `on_initialize`

* implement and test session buffering

* Update roadmap/implementors-guide/src/runtime/README.md

Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>

* expand on how this affects misbehavior reports

* fix typo

Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>
 2020-07-09 09:43:26 -04:00
Robert Habermeier 151d73af5b Implement PoV Distribution Subsystem (#1344) 
* introduce candidatedescriptor type

* add PoVDistribution message type

* loosen bound on PoV Distribution to account for equivocations

* re-export some types from the messages module

* begin PoV Distribution subsystem

* remove redundant index from PoV distribution

* define state machine for pov distribution

* handle overseer signals

* set up control flow

* remove `ValidatorStatement` section

* implement PoV fetching

* implement distribution logic

* add missing `

* implement some network bridge event handlers

* stub for message processing, handle our view change

* control flow for handling messages

* handle `awaiting` message

* handle any incoming PoVs and redistribute

* actually provide a subsystem implementation

* remove set-builder notation

* begin testing PoV distribution

* test that we send awaiting messages only to peers with same view

* ensure we distribute awaited PoVs to peers on view changes

* test that peers can complete fetch and are rewarded

* test some reporting logic

* ensure peer is reported for flooding

* test punishing peers diverging from awaited protocol

* test that we eagerly complete peers' awaited PoVs based on what we receive

* test that we prune the awaited set after receiving

* expand pov-distribution in guide to match a change I made

* remove unneeded import
 2020-07-08 18:15:39 -04:00
Robert Habermeier 42bd096413 I am dumb and can't spell (#1366) 
* rename implementor's guide to implementer's guide

* fix typos in more places
 2020-07-07 10:10:36 -04:00