* Refactor ParentIsDefault to ParentIsAllZeroes

* Remove Default bound on all AccountId types under the xcm directory

* Change to ParentIs<A: Get<AccountId>, AccountId>

* Provide a better account for ParentIs

* Fixes

* Fixes

* Fixes

* Fixes

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

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

* Use preset account ID value for parent MultiLocations

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

* Add `without_storage_info`

The MaxEncodedLen trait is now enforced by default in Substrate.
All pallets missing an implementation need to be marked with
`without_storage_info` now.

Signed-off-by: Oliver Tale-Yazdi <[email protected]>

* Remove `generate_storage_info`

Signed-off-by: Oliver Tale-Yazdi <[email protected]>

* Add more `without_storage_info`

Signed-off-by: Oliver Tale-Yazdi <[email protected]>

* update lockfile for {"substrate"}

Co-authored-by: parity-processbot <>

* MaxConsumers

* Fixes

* fixes

* one more fix

* Bump Substrate

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

* Extend xcm-simulator with a fuzzer for xcm exec

This commit adds a very basic fuzzer that fuzzes the xcm exectution,
in particular the process_instruction function.

* Update cargo.toml in xcm-simulator-fuzzer

* Add xcm-fuzzer to honggfuzz workflow

* Update Cargo.lock

* Update xcm/xcm-simulator/fuzzer/Cargo.toml so honggfuzz shows up on top

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

* Update relay_chain.rs in xcm-fuzzer

* Use MAX_XCM_DECODE_DEPTH instead of hardcoded decode limit in xcm-fuzzer

* Add comment on how to generate coverage report in xcm-fuzzer

* fix warnings, fmt, and unused result

* fix compiler

Co-authored-by: Vincent Ulitzsch <[email protected]>
Co-authored-by: Vincent Ulitzsch <[email protected]>
Co-authored-by: Shawn Tabrizi <[email protected]>
Co-authored-by: Keith Yeung <[email protected]>