* dummy: impl another runtime API

* query the on chain disputes, and inform self

* make use of the refactor

* minro

* SPLIT ME

* write dispute values

* wip

* impl for all runtimes

* chore: fmt

* [] -> get

* fixup mock runtime

* fixup

* fixup discovery for overseer init

* chore: fmt

* spellcheck

* rename imported_on_chain_disputes -> on_chain_votes

* reduction

* make it mockable

* rename and refactor

* don't query on chain info if it's not needed

* yikes

* fmt

* fix test

* minimal fix for existing tests

* attempt to fetch the session info from the rolling window before falling back

* moved

* comments

* comments

* test for backing votes

* rename

* Update runtime/polkadot/src/lib.rs

* chore: spellcheck + dict

* chore: fmt

* fixup cache size

* add warning

* logging, rationale, less defense

* introduce new unchecked, that still checks in debug builds

* fix

* draft alt approach

* fix unused imports

* include the session

* Update node/core/dispute-coordinator/src/real/mod.rs

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

* provide where possible

* expand comment

* fixin

* fixup

* ValidityVote <-> ValidityAttestation <-> CompactStatement has a 1:1 representation

* mark TODO

* Update primitives/src/v1/mod.rs

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

* address review comments

* update docs

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

* Crate basic barebones benchmarking infrastructure for paras

* Fill in benchmarking contents

* cargo run --quiet --release --features=runtime-benchmarks -- benchmark --chain=westend-dev --steps=50 --repeat=20 --pallet=runtime_parachains::paras --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --output=./runtime/westend/src/weights/runtime_parachains_paras.rs

* cargo run --quiet --release --features=runtime-benchmarks -- benchmark --chain=kusama-dev --steps=50 --repeat=20 --pallet=runtime_parachains::paras --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --output=./runtime/kusama/src/weights/runtime_parachains_paras.rs

* Use autogenerated WeightInfos for kusama and westend

* cargo fmt

* Use saturating_sub

* Add missing import

* Try and hit the worst possible time complexity as much as possible

* cargo fmt

* cargo run --quiet --release --features=runtime-benchmarks -- benchmark --chain=westend-dev --steps=50 --repeat=20 --pallet=runtime_parachains::paras --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --output=./runtime/westend/src/weights/runtime_parachains_paras.rs

* cargo run --quiet --release --features=runtime-benchmarks -- benchmark --chain=kusama-dev --steps=50 --repeat=20 --pallet=runtime_parachains::paras --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --output=./runtime/kusama/src/weights/runtime_parachains_paras.rs

* Add a MAX_HEAD_DATA_SIZE constant

* Prefill vectors with sample data for worst case complexity

* cargo run --quiet --release --features=runtime-benchmarks -- benchmark --chain=westend-dev --steps=50 --repeat=20 --pallet=runtime_parachains::paras --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --output=./runtime/westend/src/weights/runtime_parachains_paras.rs

* cargo run --quiet --release --features=runtime-benchmarks -- benchmark --chain=kusama-dev --steps=50 --repeat=20 --pallet=runtime_parachains::paras --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --output=./runtime/kusama/src/weights/runtime_parachains_paras.rs

* Improve comment on SAMPLE_SIZE constant

Co-authored-by: Parity Bot <admin@parity.io>

* Use beefy branch with scale-info

* Add patches

* Sprinkle some TypeInfo derives

* Add some TypeInfo deriv

* Cargo.lock

* Derive TypeInfo and skip type params for Xcm types

* Cargo.lock

* Fix up scale_info bounds attributes

* Fix up dependencies

* Use my own beefy-primitives branch

* Bump BEEFY

* Update patches

* Add some scale-info dependencies and TypeInfo derives

* More TypeInfo decoration

* Update scale-info

* Some TypeInfos and remove more Event pallet::metadata

* Moar TypeInfos

* TypeInfos galore, fix up metadata runtime API

* TypeInfo

* TypeInfos, update other runtime metadata APIs

* Fix up Kusama, comment out some `usize` QueueSize parameter types

* Remove local diener patches

* Cargo.lock

* Cargo.lock

* Update to scale-info crates.io release

* Update primitive-types branch

* Update pallet-beefy to use custom branch

* Update other parity-common deps

* Update parity-common patches

* bump a bunch of deps in parity-common

* Remove parity-common patches

* Bump finality-grandpa version

* Cargo.lock

* Update scale-info to 0.9.1

* Add recursion_limit for runtime-parachains

* Add some scale_info attributes

* Cargo.lock

* Revert finality-grandpa bump

* Cargo.lock, scale-info update

* cargo update

* Make sure using patched version of finality-grandpa

* Use patched scale-info

* Update to scale-info 0.10.0

* Update finality-grandpa

* Cargo.lock

* Update beefy deps

* Update beefy deps again

* Add scale-info dependency

* Remove deprecated pallet::metadata attributes.

* Add some missing scale-info deps and derives

* Use some variant struct call syntax

* Add missing TypeInfo impl

* Add some more TypeInfo impls

* Convert some call enum struct variant constructors

* More scale-info deps and derives

* Call enum struct variants

* TypeInfo derives

* Call enum variant structs

* scale-info deps and derives

* Call enum variant struct constructors

* Use beefy-primitives scale-info feature

* Use grandpa-bridge-gadget master branch

* Remove finality-grandpa patch

* Add missing scale_info dependency and derive

* Fix up some call variant constructors

* Add missing scale_info dependency

* Fix some test errors

* More TypeInfo derives

* More call variant structs

* Call variant structs in tests

* Cargo.lock

* Fmt

* Fix more call struct variants

* Another call struct variant

* add scale-info/std features explicitly

* More call struct variants

* Add missing scale-info dependency

* Fmt

* review: activate scale-info/std where missing

* Remove some duplicate std feature activation

* review: add scale_info bounds() attr

* More call variant structs

* Remove recursion limit

* Update beefy-primitives

* Update beefy-primitives

* Fix simnet call variant struct errors

* Fmt

* cargo update -p beefy-primitives

* Add some missing TypeInfo derives

* Fix some call variants

* Fix some call variant underscores

* Cargo.lock

* Cargo.lock

* Add missing TypeInfo derive

* Add some more missing TypeInfo derives

* Even more missing TypeInfo derives

* Add TypeInfo derives to new xcm types

* Fmt

* Cargo.lock

* Add missing TypeInfo impls

* Cargo.lock

* More missing TypeInfos

* Fixes

* Cargo.lock

* Cargo.lock

* Add TypeInfo impls to xcm v2

* Update to scale-info 1.0

* Update finality-grandpa 0.14.4, patch for now

* Update beefy

* Remove patched finality-grandpa

* Add TypeInfo impl to Outcome

* Fixes

* Call variant struct

* Call variant struct

* Fix test

* Add TypeInfo impl

* Cargo.lock

* Cargo.lock

* Cargo.lock

* git checkout master Cargo.lock

* update Substrate

* Add missing scale-info features for beefy-primitives

* Fmt

* Remove check for now

* Update beefy-primitives, removes scale-info feature

* Update beefy-primitives again

Co-authored-by: adoerr <0xad@gmx.net>
Co-authored-by: Andronik Ordian <write@reusable.software>
Co-authored-by: thiolliere <gui.thiolliere@gmail.com>
Co-authored-by: parity-processbot <>
Co-authored-by: Bastian Köcher <info@kchr.de>

* Make SessionInfo include all authorities

of the current session.

* Add missing import.

* Only take subset for assignment keys.

* Fix typo.

* Make spellcheck happy.

* Really.

* Fix test.

* More clear documentation.

* Update comments in `SessionInfo`.

* Introduce upgrade goahead and upgrade restriction signals

* Explicit encoding indicies for exposed enums

* typo: abscent -> absent

* Prune cooldowns as well

* Please hunspell

* cargo +nightly fmt

* add cargo-fmt check to ci

* update ci

* fmt

* fmt

* skip macro

* ignore bridges

* guide: filter_multi_dispute_data

* guide: elaborate

* Implementation of dispute data filtering

* tests for filtering

* don't use std, you fool!

* use swap_remove

* Update runtime/parachains/src/disputes.rs

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

* use btreeste

* address API nit

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

* disputes module skeleton and storage

* implement dispute module initialization logic

* implement disputes session change logic

* provide dispute skeletons

* deduplication & ancient check

* fix a couple of warnings

* begin provide_dispute_data impl

* flesh out statement set import somewhat

* move ApprovalVote to shared primitives

* add a signing-payload API to explicit dispute statements

* implement statement signature checking

* some bitflags glue for observing changes in disputes

* implement dispute vote import logic

* flesh out everything except slashing

* guide: tweaks

* declare and use punishment trait

* punish validators for inconclusive disputes

* guide: tiny fix

* guide: update docs

* add disputes getter fn

* guide: small change to spam slots handling

* improve spam slots handling and fix some bugs

* finish API of disputes runtime

* define and deposit `RevertTo` log

* begin integrating disputes into para_inherent

* use precomputed slash_for/against

* return candidate hash from process_bitfields

* implement inclusion::collect_disputed

* finish integration into rest of runtime

* add Disputes to initializer

* address suggestions

* use pallet macro

* fix typo

* Update runtime/parachains/src/disputes.rs

* add test: fix pruning

* document specific behavior

* deposit events on dispute changes

* add an allow(unused) on fn disputes

* add a dummy PunishValidators implementation

* add disputes module to Rococo

* add disputes module to westend runtime

* add disputes module to test runtime

* add disputes module to kusama runtime

* guide: prepare for runtime API for checking frozenness

* remove revert digests in favor of state variable

* merge reversions

* Update runtime/parachains/src/disputes.rs

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>

* Update runtime/parachains/src/disputes.rs

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>

* Update runtime/parachains/src/disputes.rs

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>

* add byzantine_threshold and supermajority_threshold utilities to primitives

* use primitive helpers

* deposit revert event when freezing chain

* deposit revert log when freezing chain

* test revert event and log are generated when freezing

* add trait to decouple disputes handling from paras inherent handling

* runtime: fix compilation and setup dispute handler

* disputes: add hook for filtering out dispute statements

* disputes: add initializer hooks to DisputesHandler

* runtime: remove disputes pallet from all runtimes

* tag TODOs

* don't import any dispute statements just yet...

* address grumbles

* fix spellcheck, hopefully

* maybe now?

* last spellcheck round

* fix runtime tests

* fix test-runtime

Co-authored-by: thiolliere <gui.thiolliere@gmail.com>
Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>
Co-authored-by: André Silva <andrerfosilva@gmail.com>

* CI: add spellcheck

* revert me

* CI: explicit command for spellchecker

* spellcheck: edit misspells

* CI: run spellcheck on diff

* spellcheck: edits

* spellcheck: edit misspells

* spellcheck: add rules

* spellcheck: mv configs

* spellcheck: more edits

* spellcheck: chore

* spellcheck: one more thing

* spellcheck: and another one

* spellcheck: seems like it doesn't get to an end

* spellcheck: new words after rebase

* spellcheck: new words appearing out of nowhere

* chore

* review edits

* more review edits

* more edits

* wonky behavior

* wonky behavior 2

* wonky behavior 3

* change git behavior

* spellcheck: another bunch of new edits

* spellcheck: new words are koming out of nowhere

* CI: finding the master

* CI: fetching master implicitly

* CI: undebug

* new errors

* a bunch of new edits

* and some more

* Update node/core/approval-voting/src/approval_db/v1/mod.rs

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

* Update xcm/xcm-executor/src/assets.rs

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

* Apply suggestions from code review

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

* Suggestions from the code review

* CI: scan only changed files

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

* Companion

* Update branch

* Update to correspond to substrate fixes

* Update cargo.lock

* Remove patches

* update Substrate

Co-authored-by: parity-processbot <>

* use `configuration::config()` for max bytes

* Update integration_tests.rs

* Update paras_registrar.rs

* remove consts

* add asserts for non-zero

* more const clean up

* cargo run --release --features=runtime-benchmarks -- benchmark --chain=kusama-dev --steps=50 --repeat=20 --pallet=runtime_common::paras_registrar --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --output=./runtime/kusama/src/weights/runtime_common_paras_registrar.rs

* cargo run --release --features=runtime-benchmarks -- benchmark --chain=westend-dev --steps=50 --repeat=20 --pallet=runtime_common::paras_registrar --extrinsic=* --execution=wasm --wasm-execution=compiled --heap-pages=4096 --header=./file_header.txt --output=./runtime/westend/src/weights/runtime_common_paras_registrar.rs

* add checks to `MAX_CODE_SIZE`

* re-pot MAX_POV_SIZE

* check pov limit in runtime

* POV_BOMB_LIMIT multiplier

* fix compile

* Update configuration.rs

* Update node/primitives/src/lib.rs

* fix test

Co-authored-by: Parity Bot <admin@parity.io>

* skeleton for dispute-coordinator

* add coordinator and participation message types

* begin dispute-coordinator DB

* functions for loading

* implement strongly-typed DB transaction

* add some tests for DB transaction

* core logic for pruning

* guide: update candidate-votes key for coordinator

* update candidate-votes key

* use big-endian encoding for session, and implement upper bound generator

* finish implementing pruning

* add a test for note_current_session

* define state of the subsystem itself

* barebones subsystem definition

* control flow

* more control flow

* implement session-updating logic

* trace

* control flow for message handling

* Update node/core/dispute-coordinator/src/lib.rs

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>

* Update node/subsystem/src/messages.rs

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>

* some more control flow

* guide: remove overlay

* more control flow

* implement some DB getters

* make progress on importing statements

* add SignedDisputeStatement struct

* move ApprovalVote to shared primitives

* add a signing-payload API to explicit dispute statements

* add signing-payload to CompactStatement

* add relay-parent hash to seconded/valid dispute variatns

* correct import

* type-safe wrapper around dispute statements

* use checked dispute statement in message type

* extract rolling session window cache to subsystem-util

* extract session window tests

* approval-voting: use rolling session info cache

* reduce dispute window to match runtime in practice

* add byzantine_threshold and supermajority_threshold utilities to primitives

* integrate rolling session window

* Add PartialOrd to CandidateHash

* add Ord to CandidateHash

* implement active dispute update

* add dispute messages to AllMessages

* add dispute stubs to overseer

* inform dispute participation to participate

* implement issue_local_statement

* implement `determine_undisputed_chain`

* fix warnings

* test harness for dispute coordinator tests

* add more helpers to test harness

* add some more helpers

* some tests for dispute coordinator

* ignore wrong validator indices

* test finality voting rule constraint

* add more tests

* add variants to network bridge

* fix test compilation

* remove most dispute coordinator functionality

as of #3222 we can do most of the work within the approval voting subsystem

* Revert "remove most dispute coordinator functionality"

This reverts commit 9cd615e8

.

* Use thiserror

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

* Update node/core/dispute-coordinator/src/lib.rs

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

* extract tests to separate module

* address nit

* adjust run_iteration API

Co-authored-by: André Silva <123550+andresilva@users.noreply.github.com>
Co-authored-by: Bernhard Schuster <bernhard@ahoi.io>

* create newtype for ValidationCodeHash

* pvf: fix tests compilation

* primitives: fix test compilation

* replace HistoricalValidationCode usages with ValidationCodeByHash

* runtime-api: tabify tests file

* update implementers guide

* Make ParaId value of public paras non-discretionary

* Fixes

* Fixes

* fix tests

* fix benchmark tests

* dont use hardcoded number

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Remove signature verification in backing.

`SignedFullStatement` now signals that the signature has already been
checked.

* Remove unused check_payload function.

* Introduced unchecked signed variants.

* Fix inclusion to use unchecked variant.

* More unchecked variants.

* Use unchecked variants in protocols.

* Start fixing statement-distribution.

* Fixup statement distribution.

* Fix inclusion.

* Fix warning.

* Fix backing properly.

* Fix bitfield distribution.

* Make crypto store optional for `RuntimeInfo`.

* Factor out utility functions.

* get_group_rotation_info

* WIP: Collator cleanup + check signatures.

* Convenience signature checking functions.

* Check signature on collator-side.

* Fix warnings.

* Fix collator side tests.

* Get rid of warnings.

* Better Signed/UncheckedSigned implementation.

Also get rid of Encode/Decode for Signed! *party*

* Get rid of dead code.

* Move Signed in its own module.

* into_checked -> try_into_checked

* Fix merge.