* Fix compact build

* Fix again

* fix staking miner

* fmt

* update Substrate

Co-authored-by: parity-processbot <>

* MultiAsset TWO

* Draft next MultiAsset API.

* XCM core builds

* XCM Executor builds

* XCM Builder builds

* API changes making their way throughout

* Some TODOs

* Further build fixes

* Basic compile builds

* First test fixed

* All executor tests fixed

* Typo

* Optimize subsume_assets and add test

* Optimize checked_sub

* XCM Builder first test fixed

* Fix builder tests

* Fix doc test

* fix some doc tests

* spelling

* named fields for AllOf

* Update xcm/src/v0/multiasset.rs

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Update xcm/src/v0/multiasset.rs

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Update xcm/src/v0/multiasset.rs

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Update xcm/src/v0/multiasset.rs

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Reformat

* Move to XCM version 1

* Spelling

* warnings

* Replace some more v0->v1s

* warnings

* format

* Add max_assets param

* building

* test fixes

* tests

* another test

* final test

* tests

* Rename Null -> Here

* Introduce

* More ergonomics

* More ergonomics

* test fix

* test fixes

* docs

* BuyExecution includes

* Fix XCM extrinsics

* fmt

* Make Vec<MultiAsset>/MultiAssets conversions safe

* More MultiAssets conversion safety

* spelling

* fix doc test

* Apply suggestions from code review

Co-authored-by: Amar Singh <asinghchrony@protonmail.com>

* Apply suggestions from code review

Co-authored-by: Amar Singh <asinghchrony@protonmail.com>

* fmt

* Add v0, remove VersionedMultiAsset

* Remove VersionedMultiLocation

* Update xcm/src/v1/order.rs

Co-authored-by: Amar Singh <asinghchrony@protonmail.com>

* Update xcm/src/v1/mod.rs

Co-authored-by: Amar Singh <asinghchrony@protonmail.com>

* XCM v0 backwards compatibility

* Full compatibility

* fmt

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

* Update xcm/src/v0/order.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Tweaks to versioning system

* Fixes

* fmt

* Update xcm/xcm-executor/src/assets.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Update xcm/xcm-executor/src/assets.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Grumbles

* Update xcm/src/v1/multiasset.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* fmt

* Update xcm/src/v1/multiasset.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Update xcm/src/v1/multiasset.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Fixes

* Formatting

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>
Co-authored-by: Amar Singh <asinghchrony@protonmail.com>
Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* MultiAsset TWO

* Draft next MultiAsset API.

* XCM core builds

* XCM Executor builds

* XCM Builder builds

* API changes making their way throughout

* Some TODOs

* Further build fixes

* Basic compile builds

* First test fixed

* All executor tests fixed

* Typo

* Optimize subsume_assets and add test

* Optimize checked_sub

* XCM Builder first test fixed

* Fix builder tests

* Fix doc test

* fix some doc tests

* spelling

* named fields for AllOf

* Update xcm/src/v0/multiasset.rs

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Update xcm/src/v0/multiasset.rs

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Update xcm/src/v0/multiasset.rs

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Update xcm/src/v0/multiasset.rs

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Reformat

* Move to XCM version 1

* Spelling

* warnings

* Replace some more v0->v1s

* warnings

* format

* Add max_assets param

* building

* test fixes

* tests

* another test

* final test

* tests

* Rename Null -> Here

* Introduce

* More ergonomics

* More ergonomics

* test fix

* test fixes

* docs

* BuyExecution includes

* Fix XCM extrinsics

* fmt

* Make Vec<MultiAsset>/MultiAssets conversions safe

* More MultiAssets conversion safety

* spelling

* fix doc test

* Apply suggestions from code review

Co-authored-by: Amar Singh <asinghchrony@protonmail.com>

* Apply suggestions from code review

Co-authored-by: Amar Singh <asinghchrony@protonmail.com>

* fmt

* Add v0, remove VersionedMultiAsset

* Remove VersionedMultiLocation

* Update xcm/src/v1/order.rs

Co-authored-by: Amar Singh <asinghchrony@protonmail.com>

* Update xcm/src/v1/mod.rs

Co-authored-by: Amar Singh <asinghchrony@protonmail.com>

* XCM v0 backwards compatibility

* Full compatibility

* fmt

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

* Update xcm/src/v0/order.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Tweaks to versioning system

* Fixes

* fmt

* Update xcm/xcm-executor/src/assets.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Update xcm/xcm-executor/src/assets.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Grumbles

* Update xcm/src/v1/multiasset.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* fmt

* Update xcm/src/v1/multiasset.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Update xcm/src/v1/multiasset.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Fixes

* Formatting

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>
Co-authored-by: Amar Singh <asinghchrony@protonmail.com>
Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Remove Filter and use Contains instead

* Fixes

* Remove patch

* Formatting

* update Substrate

Co-authored-by: parity-processbot <>

* fix junction + response

* Update xcm/src/v1/mod.rs

* better comment

* MultiAsset TWO

* Ensure MultiLocation always has a canonical representation

* Remove v1 module

* Draft next MultiAsset API.

* Implement custom encoding/decoding scheme for MultiLocation

* Properly implement IntoIterator for Junctions

* Implement TryFrom<MultiLocation> for Junctions

* Fix spelling mistakes

* Fix tests in xcm-executor

* XCM core builds

* XCM Executor builds

* XCM Builder builds

* Fix xcm-builder tests and compilation

* Make pallet-xcm compile

* Use MultiLocation::default()

* Make polkadot-runtime-common compile

* Make rococo-runtime compile

* Change return type of parent_count to u8

* Change MAX_MULTILOCATION_LENGTH to 255

* Make kusama-runtime compile

* Fix logic in pallet-xcm

* Use MultiLocation::empty()

* Fix logic in location_conversion

* Fix logic in origin_conversion.rs

* Make westend-runtime compile

* Rename prefixes and suffixes variables

* Rename non_parent to interior

* Rename non_parent to interior

* Add test for encode/decode roundtrip and fix decode algorithm

* API changes making their way throughout

* Some TODOs

* Further build fixes

* Rename non_parent/junctions to interior

* Basic compile builds

* First test fixed

* All executor tests fixed

* Typo

* Optimize subsume_assets and add test

* Optimize checked_sub

* XCM Builder first test fixed

* Fix builder tests

* Fix doc test

* Make xcm-simulator compile

* Make xcm-simulator-example compile

* Make spellcheck happy

* cargo fmt

* fix some doc tests

* spelling

* named fields for AllOf

* Fix subtle bug where Null is treated as an identifier

* Add FIXME comment awaiting for const generics eval stabilization

* Update xcm/src/v0/multiasset.rs

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Update xcm/src/v0/multiasset.rs

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Update xcm/src/v0/multiasset.rs

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Update xcm/src/v0/multiasset.rs

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Reformat

* Move to XCM version 1

* Spelling

* warnings

* Replace some more v0->v1s

* warnings

* format

* Add max_assets param

* building

* test fixes

* tests

* another test

* final test

* Update rustdocs and add debug_assert where sensible

* Revert debug_assert in const fn len()

* tests

* Rename Null -> Here

* Introduce

* More ergonomics

* More ergonomics

* test fix

* test fixes

* docs

* BuyExecution includes

* Fix XCM extrinsics

* fmt

* Make Vec<MultiAsset>/MultiAssets conversions safe

* More MultiAssets conversion safety

* spelling

* fix doc test

* Apply suggestions from code review

Co-authored-by: Amar Singh <asinghchrony@protonmail.com>

* Apply suggestions from code review

Co-authored-by: Amar Singh <asinghchrony@protonmail.com>

* fmt

* Add v0, remove VersionedMultiAsset

* Remove VersionedMultiLocation

* Update xcm/src/v1/order.rs

Co-authored-by: Amar Singh <asinghchrony@protonmail.com>

* Update xcm/src/v1/mod.rs

Co-authored-by: Amar Singh <asinghchrony@protonmail.com>

* XCM v0 backwards compatibility

* Full compatibility

* fmt

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

* Update xcm/src/v0/order.rs

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Tweaks to versioning system

* Fixes

* fmt

* Fix pallet-xcm tests

* fix

* Substitute with_parent with with_parents_const

* Rename argument name from a to m

* Rename split_last to split_last_interior

* Allow adding multiple parents in MultiLocation

* Rename pop_parent to dec_parent

* Ensure relay chain XCM sender receives a MultiLocation without any parents

* Block only when MultiLocation destination length is 8

* Cargo fmt

* Remove reverse iterators, implement DoubleEndedIterator and add tests

* Fix iter_rev lifetime requirements

* Cargo fmt

* Add an into() method for Junctions for conciseness in const context

* Ensure parent count is 0 while executing who in RelayedFrom

* Appease spellchecker

* Use and_then instead of repeated map_err

* Remove custom codec indices for v1 Junctions

* Add convenience 'contains_parents_only' method to MultiLocation

* Fix merge conflict

* Use more convenience methods

* Remove with_parachain_interior

* Prefer matching against tuple instead of using match guards

* Match against tuple instead of using more match guards

* Update encode/decode test for MultiLocation

* Minor tweaks

* Fixes

* Fixes

* Fixes

* Fix MultiLocation

* Add deprecation note for iter_rev and into_iter_rev

* Update some rustdocs

* cargo fmt

* Fix xcm-executor unit tests

* Fix compilation and unit tests in xcm-builder

* cargo fmt

* Fix tests in xcm-simulator-example

* Publicize MultiLocation fields

* Match on the MultiLocation struct directly in xcm-builder

* Do not dereference undereferenceable types

* Add convenience MultiLocation conversions for tuples

* Use clearer import paths

* Remove unused dependency

* fix junction + response

* Import from latest opaque xcm module

* Update xcm/src/v1/mod.rs

* better comment

* Fix ownership transfer

* Fix merge

* Fix merge

* cargo fmt

* Fix merge

* Fix merge

* Fix integration test

* More readable Parent syntax

* cleanup

* cleanup

* cleanup

* cleanup

* cleanup

* cleanup

* cleanup

* cleanup

* cargo fmt

* Fixes

* Fix doc test

Co-authored-by: Gav Wood <gavin@parity.io>
Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>
Co-authored-by: Amar Singh <asinghchrony@protonmail.com>
Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Corrent type

* Fix build

* Fixes

* Fixes

* Formatting

* Remove BuyExecution::orders

* Fixes

* Fixes

* Fixes

* Formatting

* Introduce versioning to dispatchables' params

* Fixes

* Formatting

* Bump

* check runtime version in staking miner

* fmt

* add short alias for things

* fix fee

* print length as well

* fix build

* review comments

* add integration tests to xcm-builder

* add an integration test for reserve_transfer_assets

* add query holding and teleport tests

* formatting

* add to barrier doc comments and fix doc tests warnings

* use more realistic barrier for integration tests

* improve imports

* adjust base xcm weight and existential deposit to be in line with Kusama

* remove AnyNetwork

Co-authored-by: Amar Singh <asinghchrony@protonmail.com>

* add more comments and remove unnecessary code

* move mock into separate file

* reduce imports

* update cargo.lock

* remove reserve transfer test from xcm builder integration tests

* reword barrier doc comment

* elaborate on QueryHolding test scenario

* add an integration test for reserve based transfers from parachain to parachain

* add teleport tests

* fix failing teleport filter tests

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

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

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

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

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

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Move integration tests to tests/ directory

* Fix merge

* Replace All wildcard with a concrete seed amount

* Rename SEED_AMOUNT to REGISTER_AMOUNT

* Fix compilation error

* Check for teleport destination first before checking out assets

* Fix unit test

* Do not run tests in integration mock

* Add a permissive assets filter for teleportation

* Remove check for teleport location in InitiateTeleport XCM

* Remove defunct test

* Apply suggestions from code review

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* Reword comment

Co-authored-by: Amar Singh <asinghchrony@protonmail.com>
Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>
Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

* Impl WeightTrader for tuple.

* fmt

* Renaming.

* add tracing for buy_weight

* Add comment clarifying the default behavior of a WeightTrader tuple

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>
Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

…3635)

* Use proc macros to generate conversion functions for MultiLocation

* Add compile test and missing conversion cases

* Add common derives for Parent and Ancestor

* Generate conversion functions for MultiLocation v0 via proc macro

* Add type conversion test and fix a bug

* cargo fmt

* Do not hardcode 8 as the number of max parents

* Use map instead of for loops when generating code fragments

* Spelling

* cargo fmt

* More mapping, less for-looping

* Use fully-qualified paths to reference core traits in proc macro

* Ensure a canonicalized v0 MultiLocation first before attempting to convert to v1

* Fix failing test

* Initial draft

* v1 subscriptions

* Fixes

* Fixes

* Formatting

* Fixes

* Formatting

* Provide dummy dispute coordinator by default.

* cargo fmt

in case waiting for the next response takes too long.

* WIP: Get rid of request multiplexer.

* WIP

* Receiver for handling of incoming requests.

* Get rid of useless `Fault` abstraction.

The things the type system let us do are not worth getting abstracted in
its own type. Instead error handling is going to be merely a pattern.

* Make most things compile again.

* Port availability distribution away from request multiplexer.

* Formatting.

* Port dispute distribution over.

* Fixup statement distribution.

* Handle request directly in collator protocol.

+ Only allow fatal errors at top level.

* Use direct request channel for availability recovery.

* Finally get rid of request multiplexer

Fixes #2842 and paves the way for more back pressure possibilities.

* Fix overseer and statement distribution tests.

* Fix collator protocol and network bridge tests.

* Fix tests in availability recovery.

* Fix availability distribution tests.

* Fix dispute distribution tests.

* Add missing dependency

* Typos.

* Review remarks.

* More remarks.

* Requeue UMP queue items if weight exhausted

* Reduce complexity and remove Deque

* Formatting

* Formatting

* Avoid needless storage writes

* Test

* Formatting

* Docs and cleanup

* fmt

* Remove now irrelevant comment.

* Simplify `take_processed` by using `mem::take`

* Clean up & fmt: use `upward_message` directly.

* Grumbles

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: Sergei Shulepov <sergei@parity.io>

* Do not expire HRMP open channel requests

* Fix the build and update the docs

* Implement canceling requests and do not remove them automatically

* Fix a borked merge

* Fix fmt

* Please spellchecker

* Apply suggestions from code review

Co-authored-by: Amar Singh <asinghchrony@protonmail.com>

* Use `mutate_exists` for maintaining request counts

* Apply `rustfmt`

* Move newly introduced entrypoint to end to preserve ordering

Co-authored-by: Amar Singh <asinghchrony@protonmail.com>

* Introduce new config: ump_max_individual_weight

* Implement overweight msg stashing

* Test

* Add migration module.

Also introduces a test for migration

* Integrate ExecuteOverweightOrigin to runtimes

* Fix more stuff

* Add `yeet` into dictionary

* Use suggested `Error` variant names

* typo

* Use 20ms as the maximum individual message weight

* Update the test value

* rustfmt

* Clean up

* Remove deprecated field from host config

* Remove missed _hrmp_open_request_ttl

* Apply typo fix suggestion

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Rename `migration::migrate_to_latest`

* Restore `_hrmp_open_request_ttl` in `v0::HostConfiguration`

* Apply suggestion for a rustdoc

* Apply the suggestion

* Test v0 config with the raw production data fetched from Kusama

* Update runtime/parachains/src/ump.rs

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>

* Expose migration functions

* Fix spellcheck

Co-authored-by: Alexander Popiak <alexander.popiak@parity.io>
Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
Co-authored-by: Keith Yeung <kungfukeith11@gmail.com>

* remove 9090 migrations

* remove unused

* fmt

* revert removal of polkadot migration

* remove migration for polkadot