Crate cumulus_primitives_utility

Helper datatypes for cumulus. This includes the ParentAsUmp routing type which will route messages into an UpwardMessageSender if the destination is Parent.

Structs

ParentAsUmp

Xcm router which recognises the Parent destination and handles it by sending the message into the given UMP UpwardMessageSender implementation. Thus this essentially adapts an UpwardMessageSender trait impl into a SendXcm trait impl.

TakeFirstAssetTrader

Charges for exercution in the first multiasset of those selected for fee payment Only succeeds for Concrete Fungible Assets First tries to convert the this MultiAsset into a local assetId Then charges for this assetId as described by FeeCharger Weight, paid balance, local asset Id and the multilocation is stored for later refund purposes Important: Errors if the Trader is being called twice by 2 BuyExecution instructions Alternatively we could just return payment in the aforementioned case

XcmFeesTo32ByteAccount

XCM fee depositor to which we implement the TakeRevenue trait It receives a Transact implemented argument, a 32 byte convertible acocuntId, and the fee receiver account FungiblesMutateAdapter should be identical to that implemented by WithdrawAsset

Traits

ChargeWeightInFungibles

ChargeWeightInFungibles trait, which converts a given amount of weight and an assetId, and it returns the balance amount that should be charged in such assetId for that amount of weight