* Do not encode the `origin` parameter in the metadata

* Remove obsolete macro

* Encode outer dispatch in metadata

* Global unique subscription ids.

* Fix tests.

* Auxiliary data storage in client backend

* Runtime error handling

* Update BBQ Birch def

* Fix

* Fix `sandbox::Memory` lifecycle for no_std env

* Retain memories in env_def builder and instance

* Add scoped memory creation to test RC semantics

* Add deploying_wasm_contract_should_work test.

* Fix sandboxed memory set function.

* Consensus cleanup

* Fixed DB initialization issue

* Spacing

* Limit gossip for non-authorities

* Random shuffle

* No longer use a channel for custom protocols

* Fix warnings

* Add graceful shutdown and comments

* Minor cleanups

* Add warning if queue goes over threshold

* Increase threshold

* Address grumble

* changes_trie

* changs_trie: continue

* changes_trie: adding tests

* fixed TODO

* removed obsolete ExtrinsicChanges

* encodable ChangesTrieConfiguration

* removed polkadot fle

* fixed grumbles

* ext_storage_changes_root returns u32

* moved changes trie root to digest

* removed commented code

* read storage values from native code

* fixed grumbles

* fixed grumbles

* missing comma

* key changes proof generation + query

* fix grumbles

* check that changes trie config is not changed by block.finalize()

* fixed changes trie config check

The metadata call does not work anymore with JSON and just returns an
opaque blob.

* Started substrate tests

* Sync test

* Test updates

* Improved tests

* Use on-chain block delay

* Parallel test execution

* Otimized tests

* Logging

* Fixed racing test

* Fixed compilation

* Fixed timestamp test

* Removed rlp dependency

* Minor fixes

* Fixed tests

* Removed best_block_id and resolved fdlimit issue

* Whitespace

* Use keyring

* Style

* Added API execution setting

* Removed stale import