cumulus: b468d0c33eac0adda27080b59ea9b5986ce6469b
polkadot: 827792ca833396c82c726eda0bc2ad32ecddba73
substrate: 666f39b8a22108f57732215de006518738034ba2

bump serde_json to 1.0.79

sync changes from https://github.com/paritytech/substrate/pull/11022

fixed clippy warnings

Signed-off-by: acatangiu <[email protected]>

* cumulus: 4e952282914719fafd2df450993ccc2ce9395415
polkadot: 975e780ae0d988dc033f400ba822d14b326ee5b9
substrate: 89fcb3e4f62d221d4e161a437768e77d6265889e

* fix refs

* sync changes from https://github.com/paritytech/polkadot/pull/3828

* sync changes from https://github.com/paritytech/polkadot/pull/4387

* sync changes from https://github.com/paritytech/polkadot/pull/3940

* sync with changes from https://github.com/paritytech/polkadot/pull/4493

* sync with changes from https://github.com/paritytech/polkadot/pull/4958

* sync with changes from https://github.com/paritytech/polkadot/pull/3889

* sync with changes from https://github.com/paritytech/polkadot/pull/5033

* sync with changes from https://github.com/paritytech/polkadot/pull/5065

* compilation fixes

* fixed prometheus endpoint startup (it now requires to be spawned within tokio context)

* unify metric names

* refactor standalone metrics

* headers sync metrics

* post-merge fix

* fix compilation

* fmt

* fix dashboards

* fix local dashboards

* update Rococo/Wococo runtime version

* remove commented code

* fixed grumbles

* fmt

* fixed widget names

* Unify error enums in substrate and ethereum clients with `thiserror`

Related to https://github.com/paritytech/parity-bridges-common/issues/857

* Add license pre-amble

* rustfmt

* Fix spelling

* Alter gitlab.

* Use substrate's rustfmt.toml

* cargo +nightly fmt --all

* Fix spellcheck.

* cargo +nightly fmt --all

* format.

* Fix spellcheck and fmt

* fmt?

* Fix spellcheck

Co-authored-by: Tomasz Drwięga <[email protected]>

* resubmit transactions: start

* resubmit transactions: continue

* enable resubmitter in deployments

* clippy

* spellcheck

* Update relays/client-substrate/src/chain.rs

Co-authored-by: Tomasz Drwięga <[email protected]>

* fix compilation

* fix compilation

Co-authored-by: Tomasz Drwięga <[email protected]>

* fix(spellcheck): test of fixing

* fix(hunspell): improved many typos etc.

* fix(hunspell): all errors solved

* fix(hunspell): extended scope of files - the build should fail

* Return error code.

* Fix spelling, sort dictionary.

* fix(hunspell): added fix to gitlabs check

* fix(typo): one typo and test of verification on github

* fix(typo): one typo

Co-authored-by: Tomasz Drwięga <[email protected]>

* shared conversion rate metric value

* clippy

* always run on-demand headers relay in complex relay

* fix compilation

* do not spawn additional task for on-demand relays

* compilation

* prefix in relay loops logs

* fmt

* complex headers+messages relay

* post-merge fix

* fix + test issue with on-demand not starting

* administrative metrics

* fmt

* fix compilation

* fix compilation again

* and another one

* remove GenericLoopMetrics

* chttp -> isahc

* remove redundant marker

* not about price metrics

* fmt

* Update copyright date to 2021

* Bump date in license header template

* slightly changed relay loop initialization

* git mv

* clippy

* more clippy

* loop_run -> run_loop

* review and clippy

* clippy

* Remove chains.

* Move relay clients.

* Flatten generic.

* Fix fmt.

* Nest some crates.

* Alter command execution to make it easier to add new bridges.

* Rename sub-dirs.

* cargo fmt --all

* Address clippy.

* Update relays/substrate/src/rialto_millau/cli.rs

Co-authored-by: Hernando Castano <[email protected]>

Co-authored-by: Hernando Castano <[email protected]>

* extract common parts of relay loops: begin

* merge client impls

* backoff in exchange loop

* reconnect without clone