* cleanup more tests and spaces

* oops

* Companion #9019 (max rpc payload override)

* update Substrate

Co-authored-by: parity-processbot <>

* high-level discussion of fork-choice and chain selection

* notes on chain-selection subsystem

* send `Approve` messages from approval-voting

* remove references to candidate-selection

* adjust grandpa voting rule docs

* Update roadmap/implementers-guide/src/node/grandpa-voting-rule.md

Co-authored-by: Lldenaurois <ljdenaurois@gmail.com>

* Update roadmap/implementers-guide/src/protocol-chain-selection.md

Co-authored-by: Lldenaurois <ljdenaurois@gmail.com>

* Update roadmap/implementers-guide/src/protocol-chain-selection.md

Co-authored-by: Lldenaurois <ljdenaurois@gmail.com>

Co-authored-by: Lldenaurois <ljdenaurois@gmail.com>

* Add XCM Decode Limit of 256

* use `decode_all_*`

* Update xcm/src/double_encoded.rs

* Allow council to use scheduler

* westend doesnt have council

* extract determine_new_blocks into a separate utility

* rework docs

* node/approval_checking: break out filled_tranch_iterator method

In the subsequent commit, we will begin to test this method in
isolation.

* node/approval-voting: fix tranche back-filling algorithm

Previously, this algorithm would generate duplicate, empty entries for
tranches (1..pre_end). This is caused because the initial value (0) for
gap_end is treated as the end of a prior tranche that wasn't actually
processed. The first pass thus would add (1..tranche) empty entries, in
addition to the (0..pre_end) empty entries chained at the end of the
method.

This is fixed by using the current tranche as the gap_start for the
first iteration, ensuring that the approval_entries_filled only produces
entries in the range (pre_end..post_start).

* Address feedback

* bridges: update finality-grandpa

* update Substrate

Co-authored-by: parity-processbot <>

* update weight apis

* update Substrate

Co-authored-by: parity-processbot <>

* Remove Call part imports of the offences and authority discovery pallets

* Remove non-existent Call enum variants

* Move ValidateUnsigned impl to be under #[pallet::validate_unsigned] in claims pallet

* Remove unused imports

* Remove Call part import for randomness collective flip pallet

* update Substrate

Co-authored-by: parity-processbot <>

* Drop guard for detecting stale approvals

* address nits with different API

* update apis

* fix api

* rename to `KillStorageResult`

* update Substrate

Co-authored-by: parity-processbot <>

* bump spec_version and version

* bump substrate

* remove migrations

* Revert "remove migrations"

This reverts commit ceeab924.

* remove stale migration for kusama + westend

* implement dispute participation subsystem

* guide: minor fix in dispute participation

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

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

* dispute: add comments to participation logic

* dispute-coordinator: fix test compilation

* implementers-guide: update dispute participation

* dispute-participation: add error for missing validation code

* dispute-participation: add tests

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

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

* guide: update overseer protocol dispute participation message

* dispute-participation: remove duplication in tests

Co-authored-by: Andronik Ordian <write@reusable.software>
Co-authored-by: Robert Habermeier <rphmeier@gmail.com>

* add more information about what's happening during approval work

* record assignment tranches in histogram

* companion

* update Substrate

Co-authored-by: parity-processbot <>

* migrate pallet-randomness-collective-flip to new pallet attr macro

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* fix some nits

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* fix

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* some nits

Signed-off-by: koushiro <koushiro.cqx@gmail.com>

* update Substrate

Co-authored-by: parity-processbot <>

* approval-voting: logs for invalid votes

* proper errors for assignment checks

* proper errors for approval checks

* 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>

* update to use pub dispatchables

* update Substrate

* Update claims.rs

* remove warning

Co-authored-by: parity-processbot <>

* create newtype for ValidationCodeHash

* pvf: fix tests compilation

* primitives: fix test compilation

* Migrate claims pallet to pallet attribute macro.

* Trigger CI.

* Update runtime/common/src/claims.rs

Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

* fix connections leak

* fix compilation

* tabify tests

* move mod tests; up

* fix warning

* Update lib.rs

* replace HistoricalValidationCode usages with ValidationCodeByHash

* runtime-api: tabify tests file

* update implementers guide

* Substrate companion #9074

* update Substrate

Co-authored-by: parity-processbot <>

* update weights

* update Substrate

Co-authored-by: parity-processbot <>

* Companion for Substrate#9082

* update Substrate

Co-authored-by: parity-processbot <>