XCM: PayOverXcm config (#6900)

* Move XCM query functionality to trait

* Fix tests

* Add PayOverXcm implementation

* fix the PayOverXcm trait to compile

* moved doc comment out of trait implmeentation and to the trait

* PayOverXCM documentation

* Change documentation a bit

* Added empty benchmark methods implementation and changed docs

* update PayOverXCM to convert AccountIds to MultiLocations

* Implement benchmarking method

* Change v3 to latest

* Descend origin to an asset sender (#6970)

* descend origin to an asset sender

* sender as tuple of dest and sender

* Add more variants to the QueryResponseStatus enum

* Change Beneficiary to Into<[u8; 32]>

* update PayOverXcm to return concrete errors and use AccountId as sender

* use polkadot-primitives for AccountId

* fix dependency to use polkadot-core-primitives

* force Unpaid instruction to the top of the instructions list

* modify report_outcome to accept interior argument

* use new_query directly for building final xcm query, instead of report_outcome

* fix usage of new_query to use the XcmQueryHandler

* fix usage of new_query to use the XcmQueryHandler

* tiny method calling fix

* xcm query handler (#7198)

* drop redundant query status

* rename ReportQueryStatus to OuterQueryStatus

* revert rename of QueryResponseStatus

* update mapping

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

Co-authored-by: Gavin Wood <gavin@parity.io>

* Updates

* Docs

* Fix benchmarking stuff

* Destination can be determined based on asset_kind

* Tweaking API to minimise clones

* Some repotting and docs

---------

Co-authored-by: Anthony Alaribe <anthonyalaribe@gmail.com>
Co-authored-by: Muharem Ismailov <ismailov.m.h@gmail.com>
Co-authored-by: Anthony Alaribe <anthony.alaribe@parity.io>
Co-authored-by: Gavin Wood <gavin@parity.io>

polkadot/xcm/xcm-builder/src/lib.rs

@@ -28,8 +28,9 @@ pub mod test_utils;
 
 mod location_conversion;
 pub use location_conversion::{
-	Account32Hash, AccountId32Aliases, AccountKey20Aliases, ChildParachainConvertsVia,
-	GlobalConsensusParachainConvertsFor, ParentIsPreset, SiblingParachainConvertsVia,
+	Account32Hash, AccountId32Aliases, AccountKey20Aliases, AliasesIntoAccountId32,
+	ChildParachainConvertsVia, GlobalConsensusParachainConvertsFor, ParentIsPreset,
+	SiblingParachainConvertsVia,
 };
 
 mod origin_conversion;
@@ -95,3 +96,6 @@ pub use universal_exports::{
 	ExporterFor, HaulBlob, HaulBlobError, HaulBlobExporter, NetworkExportTable,
 	SovereignPaidRemoteExporter, UnpaidLocalExporter, UnpaidRemoteExporter,
 };
+
+mod pay;
+pub use pay::{FixedLocation, LocatableAssetId, PayAccountId32OnChainOverXcm, PayOverXcm};