* Start by replacing branch names and set `DownwardMessage`

* Add the upward-message crate

* Add Kusama & Polkadot

* More work on getting the upward messages working

* Fix build

* Begin to integrate it into the test Parachain

* Update

* Make everything compile again

* Switch to westend and print parachain account on startup

* Use MultiSignature etc

* Fix validate block

* Some downward messages work

* Update git reference

* More downward messages integration

* Update test runtime for downward messages

* Enable downward message handler and withdraw send tokens

* Add some docs

* Begin to implement simple XCMP

* More work

* Fixes and make parachain id configurable

* Make parachain ID be part of the genesis

* Finishing the XCMP message demo

* Update and fixes tests

* Update branch

* Update to latest Substrate & Polkadot

* Replace --unsafe-rpc-export with --unsafe-rpc-external

* Add --rpc-methods=Unsafe

Documented in substrate 24486f52929e9e518eeccbc6ad6da70e9e5bdf8a

* typos

* more typo

* fixed rpc expose

* Disable the integration test

Co-authored-by: Cecile Tonglet <[email protected]>

This ensures that the crate compiles for `no_std`. Besides this, there
are some fixes to the crate code itself.

* Start fixing compilation errors

* Switch to git version of `WasmBuilder`

* Fix compilation

* More updates

* Adapt to latest Substrate/Polkadot changes

* Update Polkadot/Substrate

* Update branch

* Update Cargo.lock

* Fix for substrate update

* Update Cargo.lock

* Fix for substrate update

* Fix for substrate update

* Fix for substrate update

* Fix for substrate update

* Update Cargo.lock

* Fix for substrate update

* Fix for substrate update

* Fix for substrate update

* Fix for substrate update

* Fix for substrate update

* WIP

* Temporary fix until polkadot is fixed

* WIP

* WIP