This reverts commit c32a2ab1.

* Fix linked map for traits.

* Fix Option<_> variant.

*  Improve naming a tad

* Rebuild runtime

* Encapsulate private data in the inner module.

* Bump impl version.

* Fix deriving codec in srml-example.

* Fix derivation without importing parity-codec-derive.

* Fix config() for map.

* use channels to implement basic import queue

* async justification import

* better conditional for is_done in tests

* reword the test for presence of link

* fix conditional

* trace instead of panic when no link present

* reword expectations when sending to importers

* fix

* debug justification import error

* update expectations

* use NumberFor

* nits

* add general description

* move error handling into closure

* Encode count of exported blocks correctly

There was a type mismatch: import used u32, export
used Number.

* Wait for import to finish

The issue was that even though the import thread
was still running, the main thread exited.

* Remove superfluous parentheses

* Improve structure, add proofs for expects

* Unify types for export/import length

* wip

* Split bytes fee charging and charging by amount into different traits.

* Move to edition 2018.

* Implemented charge fee traits for fees module.

* Implemented 'on_finalise' for fee module.

* Updated fees finalize impl.

* Renaming and documentation update.

* Added overflow & underflow check for fee calculation.

* Added mock and unit tests for fee module.

* More unit tests for fees module.

* Fixed srml-executive unit tests.

* Remove transaction base/bytes fee from balances module, fix unit tests.

* fix compile error

* Fixed unit test.

* Minor fixes.

* Bump spec version.

* Bump spec version.

* Updated fees module and runtime wasm.

* Fees module code style improvement; updated runtime wasm.

* Bump spec and impl version.

* use DB backend in test client

* Update core/client/db/src/lib.rs

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

Ensure the config directory exists before trying to write the public key file.
It is the responsibility of obtain_private_key to do so, as per the purpose
of this function.

* Adding vesting tests to Balances module

* Fix gitlab message, bump impl

* added demo module to node template

* updated comments

* replaced demo with updated template module

* Personal preferences here

* fixed comment inside macro

* core: grandpa: collect garbage for topic

* core: grandpa: use collect_garbage_for_topic in tests

* Add more naunce to the runtime CI agent

- If there are no changes to runtime code, exit ok; otherwise:
- If spec_version has changed, then:
  - Exit ok if the runtime is rebuilt, fail otherwise.
- If impl_version has changed, then exit ok.
- If neither version has changed, fail.

* Update check_runtime.sh

* first draft of ristretto crypto module #1685

* adds better comments and code-style

* remove the last evil unwrap

* remove a mistakenly committed lockfile

* add a fresh new lockfile --will probably need a manual merge later

* fix an invalid old test vector

* Wire in ristretto

* Update comment

* Fix use.

* new Signature type api alias to be compatible with substrate

* Add new keyring, fix node executor tests

* Bump version.

* Remove all hashes.

* Update core/primitives/src/sr25519.rs

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

* Revert back to Ed25519 (until JS UI is ready)

* Fix test

* Refactor decl_storage a bit to allow easier impl of linked map.

* A bunch of refactorings for storage generation.

- Rename StorageMap and ChildrenStorageMap to avoid confusion with generator::StorageMap.
- Separate implementation from the procedural macro code to clean it up.
- Make sure that genesis is initialised using the `StorageValue/StorageMap`
  generated implementations instead of going RAW.

* WiP: Writing test.

* Basic implementation.

* Implement enumeration.

* Fix non-std issues.

* fix warning

* Fix test-client.

* Address review grumbles - part 1

* Avoid cloning the key, relax Storage requirements.

* Rebuild runtime.

* Remove dangling todo.

* Refactor head setting operation to a separate function

* Fix commit issue and implement set_head standalone in db

* Add standalone set head operations

* Address grumbles

* Change number_and_hash_to_lookup key in light mod to take reference

* Fix bug in set head commit

* Add a convenience fn

* Fix a deadlock

* Fix missing argument

* remove wait on future in network bridge

* nit

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

* nit

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

* nit

* propagate error

* nit once more

* nit

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

* Make network-libp2p's Service generic over the message

* Apply suggestions from code review

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

* Fix warning

This reverts commit 9cde49d4.

* Add Proposed event.

* Bump and rebuild