* WIP

* add tests and docs for DoubleEncoded

* reformat parent_count

* add test for match_and_split

* fix append_with docs and add tests

* move Parachain enum variant to tuple

* Fix stuff

* add to append test

* simplify match

* formatting

* format and extend doc comments (including examples)

* fix typo

* add some doc comments

* add test for location inverter

* Add more tests/docs

* Fix build

* matches fungibles

* currency adapter.

* add more tests for location inverter

* extract max length magic number into constant

* adapters.

* Apply suggestions from code review

* Final touches.

* Repot and fixes

* Remove last todo

* Apply suggestions from code review

Co-authored-by: Alexander Popiak <[email protected]>

* Update xcm/xcm-builder/src/barriers.rs

Co-authored-by: Alexander Popiak <[email protected]>

* Update xcm/xcm-builder/src/barriers.rs

Co-authored-by: Alexander Popiak <[email protected]>

* Update xcm/xcm-builder/src/currency_adapter.rs

Co-authored-by: Alexander Popiak <[email protected]>

* Update xcm/xcm-builder/src/filter_asset_location.rs

Co-authored-by: Alexander Popiak <[email protected]>

* Update xcm/xcm-builder/src/matches_fungible.rs

Co-authored-by: Alexander Popiak <[email protected]>

* Update xcm/xcm-executor/src/traits/conversion.rs

Co-authored-by: Alexander Popiak <[email protected]>

* Update xcm/xcm-executor/src/traits/conversion.rs

Co-authored-by: Alexander Popiak <[email protected]>

* Update xcm/xcm-executor/src/traits/transact_asset.rs

Co-authored-by: Alexander Popiak <[email protected]>

* Update xcm/xcm-executor/src/traits/should_execute.rs

Co-authored-by: Alexander Popiak <[email protected]>

Co-authored-by: kianenigma <[email protected]>
Co-authored-by: Kian Paimani <[email protected]>
Co-authored-by: Shawn Tabrizi <[email protected]>

* Check out/in assets when teleporting to maintain total issuance

* Fixes

* Fixes

* Fixes

* Fixes

* Update xcm/xcm-executor/src/traits/transact_asset.rs

Co-authored-by: Shawn Tabrizi <[email protected]>

* Docs

Co-authored-by: Shawn Tabrizi <[email protected]>

* Dispatchable for teleporting assets

* Fixes

* Fixes

* Fixes

* Fixes

* Fixes

* Update node/network/protocol/src/peer_set.rs

Co-authored-by: Shawn Tabrizi <[email protected]>

* Update xcm/src/v0/traits.rs

Co-authored-by: Shawn Tabrizi <[email protected]>

* Add XCM Origin and converter

* IsMajority filter can be location-prefixed

* Update xcm/pallet-xcm/src/lib.rs

Co-authored-by: Alexander Popiak <[email protected]>

* Update xcm/src/v0/multi_location.rs

Co-authored-by: Alexander Popiak <[email protected]>

* Introduce UsingComponents to allow reuse of fee payment in XCM

* Use Drop rather than finalize

* Add errors for weight.

* Apply suggestions from code review

Co-authored-by: Alexander Popiak <[email protected]>

* Fixes

* Update xcm/xcm-builder/src/weight.rs

Co-authored-by: Kian Paimani <[email protected]>

* Various XCM fixes and improvements

* Fixes

* Update xcm/xcm-builder/src/weight.rs

Co-authored-by: Alexander Popiak <[email protected]>

* Update xcm/xcm-builder/src/weight.rs

Co-authored-by: Alexander Popiak <[email protected]>

* Update xcm/xcm-builder/src/weight.rs

Co-authored-by: Alexander Popiak <[email protected]>

* Fixes

Co-authored-by: Alexander Popiak <[email protected]>
Co-authored-by: Kian Paimani <[email protected]>

* Introduce plurality XCM locations

* Add RelayedFrom

* DMP dispatch weight handling.

* Add pallet for XCM sending, add routing logic.

* Update error types & doc

* Fix warnings.

* Fixes

* Fixes

* Fixes

* Bump Substrate

* Fixes

* Docs

* Docs

* Docs

* Fixes

* Fixes

* Fixes

* Update xcm/pallet-xcm/src/lib.rs

Co-authored-by: Shawn Tabrizi <[email protected]>

* Docs

* Fixes

* Update lib.rs

* Fixes

Co-authored-by: Shawn Tabrizi <[email protected]>

* Introduce plurality XCM locations

* Add RelayedFrom

* Remove unused relaying XCM

* Aggregate HRMP (XCMP/HMP) messages. Payloads for spambot.

* Revert lock

* Fix

* Broken example

* Introduce fee payment mechanics into XCM.

* Weight limitations on XCM execution

* Mock environment for tests and the first test

* Tests for XCM and a few refactors.

* Remove code that's not ready

* Fix for an XCM and an additional test

* Query response system

* XCMP message dispatch system reimagining

- Moved most of the logic into xcm-handler pallet
- Altered the outgoing XCMP API from push to pull
- Changed underlying outgoing queue data structures to avoid multi-page read/writes
- Introduced queuing for incoming messages
- Introduced signal messages as a flow-control sub-stream
- Introduced flow-control with basic threshold back-pressure
- Introduced overall weight limitation on messages executed
- Additonal alterations to XCM APIs for the new system

* Some build fixes

* Remove the Encode bounds sprayed around

* More faff

* Fix bounds amek use latest scale codec.

* remove println

* fixes

* Fix XcmExecutor Tests

* Fix XCM bounds using derivative crate

* Refactor names of XcmGeneric &c into Xcm

* Repot the xcm-executor into xcm-builder

* Docs

* Docs

* Fixes

* Update xcm/src/lib.rs

Co-authored-by: Shawn Tabrizi <[email protected]>

* Fixes

* Docs

* Update runtime/parachains/src/ump.rs

Co-authored-by: Shawn Tabrizi <[email protected]>

* Docs

* Fixes

* Fixes

* Fixes

* Docs

* Fixes

* Fixes

* Introduce transfer_asset specialisation.

* Fixes

* Fixes

Co-authored-by: Shawn Tabrizi <[email protected]>

* Fungibles adapter and MultiLocation::X8

* Comments

* Comment & whitespace

* Fix up CI/CD for the new labels.

* Fix labels

* Whitespace

* Fixes

* Update Cargo.lock

* Update xcm/xcm-builder/src/fungibles_adapter.rs

Co-authored-by: Shawn Tabrizi <[email protected]>

Co-authored-by: Shawn Tabrizi <[email protected]>

* Replace undefined error in currency adapter.

* Update tranact asset errors.

* Update TransactAsset trait documentations.

* Update currency adapter error documentation.

* Lol

* Add the features

* Remove some more runtime logger init calls

* Make companion check work

* Revert "Make companion check work"

This reverts commit a255c798076466c0fa20a4db713fc712772c2b4d.

* Update Substrate

* update tiny-keccak to 0.2

* update deps except bitvec and shared_memory

* fix some warning after futures upgrade

* remove useless package rename caused by bug in cargo-upgrade

* revert parity-util-mem *

* remove unused import

* cargo update

* remove all renames on parity-scale-codec

* remove the leftovers

* remove unused dep

* adding some basic tests

* min error

* fix min

* fix saturating_take

* all fungible and non fungible

* min abstract

* fix saturating take

* clean up

* some comments and fixes

* another fix

* more fixes

* comment

* remove unnecessary collect

* improve iter cloning

* better saturating_take impl

* feedback

* fix no_std build

* add doc tests

* mem::replace to be a bit more efficient

* better api

Co-authored-by: Gavin Wood <[email protected]>