* replace `()` filter with `Nothing`

* import nothing

* add nothing

* update Substrate

Co-authored-by: parity-processbot <>

* 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

* 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 <[email protected]>
Co-authored-by: Keith Yeung <[email protected]>

* make xcm simulator async

* fmt

* nightly fmt

* Update xcm/xcm-simulator/example/src/parachain.rs

Co-authored-by: Keith Yeung <[email protected]>

* accept keith review suggestion

* master.into

Co-authored-by: Keith Yeung <[email protected]>

* 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 <[email protected]>

* 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 <[email protected]>

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

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

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

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

* 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 <[email protected]>

* Reword comment

Co-authored-by: Amar Singh <[email protected]>
Co-authored-by: Kian Paimani <[email protected]>
Co-authored-by: Keith Yeung <[email protected]>

* Remove BuyExecution::orders

* Fixes

* Fixes

* Fixes

* Formatting

* use WEIGHT_PER_SECOND in FixedRateOfFungible

* move import

* Corrent type

* Fix build

* Fixes

* Fixes

* Formatting

* 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 <[email protected]>

* Update xcm/src/v0/multiasset.rs

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

* Update xcm/src/v0/multiasset.rs

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

* Update xcm/src/v0/multiasset.rs

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

* 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 <[email protected]>

* Apply suggestions from code review

Co-authored-by: Amar Singh <[email protected]>

* fmt

* Add v0, remove VersionedMultiAsset

* Remove VersionedMultiLocation

* Update xcm/src/v1/order.rs

Co-authored-by: Amar Singh <[email protected]>

* Update xcm/src/v1/mod.rs

Co-authored-by: Amar Singh <[email protected]>

* 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 <[email protected]>

* 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 <[email protected]>
Co-authored-by: Alexander Popiak <[email protected]>
Co-authored-by: Amar Singh <[email protected]>
Co-authored-by: Shawn Tabrizi <[email protected]>

* fix junction + response

* Update xcm/src/v1/mod.rs

* better comment

* Remove Filter and use Contains instead

* Fixes

* Remove patch

* Formatting

* update Substrate

Co-authored-by: parity-processbot <>

* Guard against XCM recursive bombs by setting a recursion limit

* Add test and set a lower recursion limit

* Use u32 instead of usize for recursion limit

* Make spellcheck happy

* Cargo fmt

* Limit XCM decoding depth in UMP message processing

* Modify test to check for recursion in BuyExecution

* Update xcm/xcm-simulator/example/src/lib.rs

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

* Make cargo fmt happy

* WIP for testing recursion limit in WASM

* Revert "WIP for testing recursion limit in WASM"

This reverts commit 39181b46d1adf79358f5ae8aafcf480e0c0c22e6.

* Remove XCM recursion limit test

* Add recursion test for XCM message execution

* Set a more sensible recursion limit

* Cargo fmt

* Implement successful_origin for benchmarks

* Set recursion limit to 8 and create integration tests directory for xcm-executor

* Cargo fmt

* Add runtime-benchmarks feature to test-runtime

* Give up creating ConvertOriginToLocal and use EnsureXcm

* Re-add ConvertOriginToLocal

* Fix compilation

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

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

* Add decoding limit to all versioned XCM decode calls

* Fix recursion limit test

* Set a lower recursion count for recursion test

* move integration tests to their own folder, fix recursion check in execute_effects

* Remove xcm-executor integration tests directory

* fix up

* Update Cargo.lock

* Update runtime/parachains/src/ump.rs

* use proper decode limit

* fix decode depth limit

* here too

* Update traits.rs

* fix compile

* fix test

* Revert `decode_all_with_depth_limit` changes in parachain.rs

* Remove unused imports in parachain.rs

Co-authored-by: Keith Yeung <[email protected]>
Co-authored-by: Kian Paimani <[email protected]>
Co-authored-by: Bastian Köcher <[email protected]>
Co-authored-by: Gavin Wood <[email protected]>

* add test for call size

* fix box arg

* fix xcm variant length + increase limit a bit

* fix para sudo wrapper call length

* reorganize

* fmt

* fix tests

* 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 <[email protected]>

* Update xcm/src/v0/multiasset.rs

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

* Update xcm/src/v0/multiasset.rs

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

* Update xcm/src/v0/multiasset.rs

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

* 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 <[email protected]>

* Apply suggestions from code review

Co-authored-by: Amar Singh <[email protected]>

* fmt

* Add v0, remove VersionedMultiAsset

* Remove VersionedMultiLocation

* Update xcm/src/v1/order.rs

Co-authored-by: Amar Singh <[email protected]>

* Update xcm/src/v1/mod.rs

Co-authored-by: Amar Singh <[email protected]>

* 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 <[email protected]>

* Tweaks to versioning system

* Fixes

* fmt

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

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

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

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

* Grumbles

* Update xcm/src/v1/multiasset.rs

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

* fmt

* Update xcm/src/v1/multiasset.rs

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

* Update xcm/src/v1/multiasset.rs

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

* Fixes

* Formatting

Co-authored-by: Alexander Popiak <[email protected]>
Co-authored-by: Amar Singh <[email protected]>
Co-authored-by: Shawn Tabrizi <[email protected]>

* chore: version bump to 0.9.9

* bump from 0.9.0 to 0.9.9

* Avoid bad pattern of wildcard fees

* spelling

* fmt

* Fix runtimes

* spelling

* bump versions, substrate and beefy

* bump substrate

* init

* reserve transfer asset unit test

* happy path tests for all dispatchables and can teleport assets to self surprisingly enough

* better tests

* minimize mock

* clean

* test send xcm failure when router blocks

* rm numbers to prefer variables

* clean

* test execute with local effects

* rm local env stuff

* copyrights

* fix merge conflict

* appease spellcheck

* fmt

* address review comments

* clean constants

* fmt

* cargo +nightly fmt

* add cargo-fmt check to ci

* update ci

* fmt

* fmt

* skip macro

* ignore bridges

* Add xcm-simulator and xcm-simulator-example.

* Abstract xcmp and dmp handling.

* Use mock message queue.

* Xcm simulator example unit tests.

* Use relay chain block number on sending msg.

* Fix typo.

* fmt

* more fmt

* Fix deps.

* convert local AssetNotFound errors into XcmError::AssetNotFound

aims allow the tuple implementation of TransactAsset to iterate properly

* add more XcmError descriptions

* adjust the rest of the TransactAsset tuple implementation to the behavior of can_check_in

* fix copy paste errors

* keep iterating tuple on Unimplemented error in TransactAsset

* add tests for tuple implementation of TransactAsset

* Update xcm/src/v0/traits.rs

Co-authored-by: Andronik Ordian <[email protected]>

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

* CI: add spellcheck

* revert me

* CI: explicit command for spellchecker

* spellcheck: edit misspells

* CI: run spellcheck on diff

* spellcheck: edits

* spellcheck: edit misspells

* spellcheck: add rules

* spellcheck: mv configs

* spellcheck: more edits

* spellcheck: chore

* spellcheck: one more thing

* spellcheck: and another one

* spellcheck: seems like it doesn't get to an end

* spellcheck: new words after rebase

* spellcheck: new words appearing out of nowhere

* chore

* review edits

* more review edits

* more edits

* wonky behavior

* wonky behavior 2

* wonky behavior 3

* change git behavior

* spellcheck: another bunch of new edits

* spellcheck: new words are koming out of nowhere

* CI: finding the master

* CI: fetching master implicitly

* CI: undebug

* new errors

* a bunch of new edits

* and some more

* Update node/core/approval-voting/src/approval_db/v1/mod.rs

Co-authored-by: Andronik Ordian <[email protected]>

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

Co-authored-by: Andronik Ordian <[email protected]>

* Apply suggestions from code review

Co-authored-by: Andronik Ordian <[email protected]>

* Suggestions from the code review

* CI: scan only changed files

Co-authored-by: Andronik Ordian <[email protected]>

* add missing bridges logging target

* trace send_xcm

* trace execute_xcm

* trace calls in xcm-executor

* trace tuple implementations of xcm traits

* update cargo.lock

* remove bridge log target

Co-authored-by: Bastian Köcher <[email protected]>

* log argument formatting

Co-authored-by: Bastian Köcher <[email protected]>

Co-authored-by: Bastian Köcher <[email protected]>

* bump a bunch of deps in parity-common

* update Substrate

* fix browser check

Co-authored-by: parity-processbot <>

* canonicalize + prepend_with fix

* fix doc

* not needed

* better docs, and more deterministic logic

* one more test

* Update xcm/src/v0/multi_location.rs

* Update multi_location.rs

Co-Authored-By: parity-processbot <>

* follow style guide

Co-Authored-By: parity-processbot <>

* oops

* Update xcm/src/v0/multi_location.rs

Co-authored-by: Robert Habermeier <[email protected]>

* Update xcm/src/v0/multi_location.rs

Co-authored-by: Robert Habermeier <[email protected]>

* bump version

* bump substrate

* bump spec_versions

* bump versions & spec_versions

* bump Cargo.lock

* export fungibles_adapter types

* formatting

* Add XCM Decode Limit of 256

* use `decode_all_*`

* Update xcm/src/double_encoded.rs

* bump spec_version and version

* bump substrate

* remove migrations

* Revert "remove migrations"

This reverts commit ceeab924d1cd5c2d3d05f24ab28315f0566f89d8.

* remove stale migration for kusama + westend

* update to use pub dispatchables

* update Substrate

* Update claims.rs

* remove warning

Co-authored-by: parity-processbot <>

* bump version, substrate, beefy

* bump substrate

* Stuff to help inspect the DMP activity

* Fix teleport accounting

* Fixes

* Fixes

* Fixes

* Fixes