* Create validator_side module

* Subsume Candidate Selection

* Add test to ensure candidate backing logic is correct

* Ensure secondings are adequately cleaned up and address test flakyness

* Address Feedback

* deps: cargo update -p rustls

* fix build

* update Substrate

Co-authored-by: parity-processbot <>

* node: fix grandpa voting rule

* node: cleanup find_target

* node: fix babe worker params

* update Substrate

Co-authored-by: parity-processbot <>

* approval-distribution: send all messages on unify

* update the guide

* put a cap on finality lag

* Update node/service/src/grandpa_support.rs

Co-authored-by: André Silva <[email protected]>

* apply lag to best, not to current vote

Co-authored-by: André Silva <[email protected]>

* Update for the new substrate client API

* update Substrate

Co-authored-by: parity-processbot <>

* bump version, substrate, beefy

* bump substrate

* remove duplicate logging

* validator-discovery: add extra logging

* Stuff to help inspect the DMP activity

* Fix teleport accounting

* Fixes

* Fixes

* Fixes

* Fixes

* Companion for PR 8913

polkadot companion: https://github.com/paritytech/substrate/pull/8913

* update Substrate

Co-authored-by: parity-processbot <>

* guide: reversion safety

* guide: manage reversion safety in subsystems

* add leaf status to ActivatedLeaf

* add an LRU-cache to overseer for staleness detection

* update ActivatedLeaf usages in tests to contain status field

* add variant where missed accidentally

* add some helpers to LeafStatus

* address grumbles

* fix approval-checking GRANDPA voting rule

a `None` return value implies to vote on the best, not to vote on the base.

this explicitly changes the logic to vote on the base

* refactor logic out and test

* Use proper host configuration everywhere

* Fix dumb errors

* enable Config for Paras

* fix

* Replace NetworkStatusSinks with Arc<NetworkService>

* update Substrate

Co-authored-by: parity-processbot <>

Bumps [tracing](https://github.com/tokio-rs/tracing) from 0.1.25 to 0.1.26.
- [Release notes](https://github.com/tokio-rs/tracing/releases)
- [Commits](https://github.com/tokio-rs/tracing/compare/tracing-0.1.25...tracing-0.1.26)

Signed-off-by: dependabot[bot] <[email protected]>

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* grandpa: enable observer for light client

* update Substrate

* service: fix missing import

* runtime: bump spec versions

Co-authored-by: parity-processbot <>

* Add `UsageProvider` trait to `AbstractClient`

* Fix

* validator_discovery: small tweak in retrying logic

* validator_discovery: use timeouts instead

* Introduce polkadot code substitute

This introduces a code substitute for the on-chain wasm of Polkadot from
block
`0x86aa36a140dfc449c30dbce16ce0fea33d5c3786766baa764e33f336841b9e29`
on wards. The underlying problem was that there exists some
miscompilation by the rust compiler in the wasm runtime that results in
state mismatches between the native/wasm runtime of the
the 0.8.30 release. This resulted in blocks being authored by the native
runtime not being importable by nodes using the wasm runtime. The
on-chain wasm is replaced by a wasm build from the 0.8.30 using the
rustc nightly from 1.03.2021.

* update the wasm substitute blob

* update Substrate

Co-authored-by: André Silva <[email protected]>
Co-authored-by: parity-processbot <>

* log validator index when importing statement

* log validation failures in debug

* network-bridge: downgrade log level of benefit rep change

* remove it as we log it at higher level

* State can be finished due to `Share` message.

Therefoe a task can still be running in that state. Removed panic and
changed state name to reflect possibility of `Share` message.

* bump spec versions in kusama, polkadot and westend again III

* properly bump for the upcoming release

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

* Put WIP artifacts next to ready ones

Fixes #3044

* Apply suggestions from code review

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

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

* validator_discovery: less flexible, but simpler design

* fix test

* remove unused struct

* smol optimization

* validator_discovery: basic retrying logic

* add a test

* add more tests

* update the guide

* more test logic

* Require at least 2/3 connectivity.

* Fix test.

* Update node/network/gossip-support/src/lib.rs

Co-authored-by: André Silva <[email protected]>

* Update node/network/gossip-support/src/lib.rs

Co-authored-by: André Silva <[email protected]>

Co-authored-by: Robert Klotzner <[email protected]>
Co-authored-by: Robert Klotzner <[email protected]>
Co-authored-by: André Silva <[email protected]>

* validator_discovery: less flexible, but simpler design

* fix test

* remove unused struct

* smol optimization

* Actually connect to new validators at session boundary.

* Add tracing.

* Register ReadRuntimeVersionExt

* Update Substrate

This includes the fix of compilation for macOS platforms.

* bump version & spec version

* update Cargo.lock

* bump substrate