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

* add beginnings of SRML grandpa library

* get srml-grandpa compiling

* tests for srml-grandpa

* add optional session integration to grandpa SRML

* start integration into node runtime

* Allow extracting pending change from header digest

* Make it compile on wasm

* make tests compile again

* Move Authority Key fetching into service, simplify service factory construction

* Generalize Authority Consensus Setup system

* Add Authority Setup Docs

* Allow CLI params to be extensible

 - move params to structopts
 - split parsing and default command execution
 - add custom config to node
 - extended parsing of custom config
 - extending params via structop's flatten

* Minor fixes on cli extension params:
 - added docs
 - re-add actual app name, rather than node-name
 - make strategy and subcommand optional

* better cli params

* synchronize GRANDPA and normal node authorities

* Implement grandpa::network for gossip consensus

* run_grandpa in Node

* Fix missed merge error

* Integrate grandpa import queue

* more specific type def

* link up linkhalf and import block

* make grandpa future send

* get compiling

* Fix new params convention and license header

* get it running

* rebuild node runtime WASM

* change logging level

* Update node/cli/src/params.rs

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

* Update node/cli/src/params.rs

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

* Update node/cli/src/lib.rs

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

* Update node/runtime/src/lib.rs

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

* Update node/cli/src/lib.rs

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

* Clean up and Fixme for mutable config

* Move GrandpaService Integration into grandpa, feature gated but on per default

* Fixing grandpa runtime module test

* Update wasm runtime hashes for tests

* GRANDPA: use post-header hash when logging scheduled changes

* add an extra bit of logging to authorities

* fixing missing constrain

* remove old code

* move `NewAuthorities` to an event in srml-grandpa

* fix node-executor tests to use grandpa log

* Remove GossipConsensus from tests, use newly provided sync-feature, fixes tests

* Update to latest wasm runtimes

* address grumbles

* address grumbles

* only derive deserialize when using std

* Clean up use of Deserialize

* Remove unneeded bounds.

* Other wasm.

* fix light client startup

* fix grumbles

* Revert "Pruning changes trie without digests (#952)"

This reverts commit 468d4698.

* pruning changes tries without digests

* u64::max_value()

* Update wasm files and fix merge conflict

* Fixes tests

* pruning changes tries without digests

* u64::max_value()

* Update wasmi to 0.4.2

* Add simple benchmarks.

This makes it possible to support `GenesisConfig`s that to do not use
generic parameter.

* Make sure to call the runtime trait functions

The runtime trait functions export their functions as extern c
functions. These functions itself call the trait functions. This commit
makes sure that the trait functions are called and not functions with
the same name that are implemented for the runtime.

* Update the wasm files

* add extra verification for aura

* fix tests

* adjust documentation wording

* Revert "start to refactor block import wrapper a bit"

This reverts commit b919de49.

* Refactor grandpa stuff to get tests almost compiling

* Fixes after rebase

* Fixes merge compile errors