Module xcm_sender

XCM sender for relay chain.

Structs

ChildParachainRouter

XCM sender for relay chain. It only sends downward message.

ConstantPrice

Implementation of PriceForMessageDelivery which returns a fixed price.

ExponentialPrice

Implementation of PriceForMessageDelivery which returns an exponentially increasing price. The formula for the fee is based on the sum of a base fee plus a message length fee, multiplied by a specified factor. In mathematical form:

NoPriceForMessageDelivery

ToParachainDeliveryHelper

Implementation of xcm_builder::EnsureDelivery which helps to ensure delivery to the ParaId parachain (sibling or child). Deposits existential deposit for origin (if needed). Deposits estimated fee to the origin account (if needed). Allows to trigger additional logic for specific ParaId (e.g. open HRMP channel) (if needed).

Traits

PriceForMessageDelivery

Simple value-bearing trait for determining/expressing the assets required to be paid for a messages to be delivered to a parachain.