* Extract specific transaction pool errors.

* Convert error codes to constants.

* Delete unused import in finaly-tracker module

* Fix test build error

* Revert spec_version

* Rebuild wasm

* Clean up session key rotation

* Fix build

* Bump version

* Introduce feature to balances.

* Move staking locking logic over to central point

* ^^^ rest

* First part of assimilation

* More assimilation

* More assimilation

* Fix most tests

* Fix build

* Move Balances to new locking system

* :q!

* Bump runtime version

* Build runtime

* Convenience function

* Test fix.

* Whitespace

* Improve type legibility.

* Fix comment.

* More tests.

* More tests.

* Bump version

* Caps

* Whitespace

* Whitespace

* Remove unneeded function.

* Add even more diagnostic messages

* Fix

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

* skeleton for finality tracker

* dispatch events when nothing finalized for a long time

* begin integrating finality tracker into grandpa

* add delay field to pending change

* add has_api_with function to sr_version for querying APIs

* partially integrate new force changes into grandpa

* implement forced changes

* get srml-grandpa compiling

* Update core/finality-grandpa/src/authorities.rs

Co-Authored-By: rphmeier <[email protected]>

* Update core/finality-grandpa/src/authorities.rs

Co-Authored-By: rphmeier <[email protected]>

* Update core/finality-grandpa/src/authorities.rs

Co-Authored-By: rphmeier <[email protected]>

* remove explicit dependence on CoreApi

* increase node runtime version

* integrate grandpa forced changes into node runtime

* add some tests to finality-tracker

* integrate finality tracking into node-runtime

* test forced-change logic

* test forced changes in the authority-set handler

* kill some unneeded bounds in client

* test forced-changes in finality-grandpa and fix logic

* build wasm and finality-tracker is no-std

* restart voter on forced change

* allow returning custom error type from lock_import_and_run

* extract out most DB logic to aux_schema and use atomic client ops

* unify authority set writing

* implement set pausing

* bump runtime version

* note on DB when we pause.

* core: grandpa: integrate forced changes with multiple pending standard changes

* core: grandpa: fix AuthoritySet tests

* runtime: bump impl_version

* core: clear pending justification requests after forced change import

* srml: finality-tracker: use FinalizedInherentData

* core: log requests for clearing justification requests

* core, node: update runtimes

* core: grandpa: fix tests

* core: grandpa: remove todos and add comments

* core: grandpa: use has_api_with from ApiExt

* core: fix tests

* core: grandpa: remove unnecessary mut modifier

* core: replace PostImportActions bitflags with struct

* core: grandpa: restrict genesis on forced authority set change

* core: grandpa: add more docs

* core: grandpa: prevent safety violations in Environment::finalize_block

* core: grandpa: register finality tracker inherent data provider

* core: grandpa: fix tests

* node: update runtime blobs

* core: grandpa: remove outdated todo

* core: aura: fix typo in log message

* core: grandpa: check re-finalization is on canonical chain

* srml: finality-tracker: fix initialization

* node: update runtime wasm

* srml: finality-tracker: don't re-initialize config keys

* Make use of parity-codec "derive" crate feature

* Bump impl_version

* Update wasm files and Cargo.lock files

* Transferred to parity_codec derive feature for the rest of the crates

* Update wasm binaries and lock files

* Update core and node wasm binaries

* Clean up session key rotation

* Fix build

* Bump version

* Get rid of wildcard imports

* Update core/service/src/lib.rs

Co-Authored-By: cmichi <[email protected]>

* Update core/client/src/client.rs

Co-Authored-By: cmichi <[email protected]>

* Import by namespace

* force build closure in decl_storage! to return explicit type
* fix when type was different

Note: it breaks API but it is easy to upgrade: just do the conversion from encode type to the final type yourself in the build closure:

```rust
Encode::using_encoded(&value, |mut value| Decode::decode(&mut v)).unwrap();
```

* refactor sync provider

* relative use of interval

* typo

* set propagate timeout to 2500ms

* address comments

* fix instant calc

* update intervals

* First steps to stash/controller separation

* More drafting

* More drafting

* Finish draft.

* Optimisation

* Remove accidental commit

* Make it build.

* Fix linked map for traits.

* Fix Option<_> variant.

*  Improve naming a tad

* Rebuild runtime

* Builds!

* First test.

* Bump RT version

* Minor fix

* Update Mock

* adds the correct reward testcase (+staking eras which was already ok)

* fixes the basic staking testcase to work properly (along with a small fix in the module)

* New logic to avoid controller transferring stash.

* Fix some build issues.

* adding some comments to tests

* Fix impls.

* adds a few more lines to explain the test case

* More fixes.

* gets the basic test up and running again

* Fix rest of build

* Rebuild wasm

* Fix docs.

* fix staking test with new chnages

* updating some tests, pending questions

* More working tests

* adds double staking test

* Docs

* remove invalid slashing test

* Payee stuff.

* Fix build

* Docs

* Fix test

* Fix a couple of tests

* Layout plan for finishing tests before Pragmen

* Add some working tests

* re-build staking and reward tests

* Add more tests

* fix offline grace test

* Nominator should have payee checked for cleanup

* adds more nomination tets

* adds validator prefs tests

* Fix and clean up some TODOs

* Fix a couple of issues

* Fix tests

* noting warnings from tests

* final fix of local tests

* Fix slot_stake bug

* Half baked test

* Add logic to limit `unstake_threshold` set in storage

* Make sure to check before writing!

Almost forgot this one

* Move a couple of comments

* fix last broken slot_stake test

* Ignore broken test

* Bump libp2p to 0.4.2

* Update yamux

* Update parity-codec/-derive to 3.1

* Update wasm stuff

* queue messages in future

* use new gossip API in GRANDPA

* implement message_expired for grandpa

* fix indent

* Add an RPC request for the state of the network

* Fix concerns

* Fix tests

* Replace comment with TODO

* Rename the RPC

* Fix typo

* Support multiple telemetry endpoints and verbosity levels

* Bump substrate-telemetry version

* Telemetrify Aura consensus

* Telemetrify Grandpa

* Fix CI version conflicts

* Implement style remarks

* Fix fixture

* Implement style remarks

* Clone only when necessary

* Get rid of Arc for URL

* Handle connection issues better

* remove blocking sync -> import-queue operations

add specialization to testnet

remove add peer default impl on TestNetFactory

* remove empty brackets from dummy specialization

* nits

* make mut_peers take an fn once

* add SpecializationFactory trait in test

* remove add_peer imple in grandpa, fix typo

* use cmp::max for best importing number comparison

* remove import of non-existent create_peer

* add sender to start message

* fix macro error when no event

* update impl version

* add connected peers to protocol, use in sync provider

* use PeerId::random

* address comments`

* docs

* fix import of PeerId

* rewrite rpc tests using PeerId::random

* whitespace

* nits

* remove option around peer id and remove field

* further removal of the option around peer id

* fix rpc tests

* ci: add kubernetes helm chart and gcp deployment

* use official or parity's docker images only

* use bounded channels for network -> sync -> import

* bound at 4

* indent

* use return value of handle_network_msg

* support multiple leaves at same height in leaves set

* prune leaves on finalization

* test leaves behavior in client-db

* fix no-std compilation

* replace some encode by using_encoded

* update runtime

* improve readibility

* remove blocking operations in SyncOracle implementation

* docs

* docs

* Split Substrate messages into multiple substreams

* Add back Clogged event

* fix construct runtime module position

* Update srml/support/src/runtime.rs

Co-Authored-By: thiolliere <[email protected]>

* Update srml/support/src/runtime.rs

Co-Authored-By: thiolliere <[email protected]>

* Update srml/support/src/runtime.rs

Co-Authored-By: thiolliere <[email protected]>

* Update srml/support/src/runtime.rs

Co-Authored-By: thiolliere <[email protected]>

* Update srml/support/src/runtime.rs

Co-Authored-By: thiolliere <[email protected]>

* feat: add children function to backend

* feat: add test for children hashes

* feat: add uncles function to client

* fix: improve uncles function adds few more tests

* fix: remove children when reverting

* fix: typo and spec version

* Refactor state-machine stuff.

* Fix tests.

* Fix core/client tests.

* Add back logging when we ban a peer

* Make it less verbose

* Let StorageDoubleMap use borrowed key types

* Bump impl version

* Limit the set of known extrinsics and blocks.

* Update Cargo.lock

* Always insert and pop oldest entry if needed.

Always inserting first ensures that the element's LRU position is
updated.