Namespace XcmPaymentApi

A trait of XCM payment API.

API provides functionality for obtaining:

• the weight required to execute an XCM message,
• a list of acceptable AssetIds for message execution payment,
• the cost of the weight in the specified acceptable AssetId.
• the fees for an XCM message delivery.

To determine the execution weight of the calls required for [xcm::latest::Instruction::Transact] instruction, TransactionPaymentCallApi can be used.