Type Alias centrifuge_runtime::xcm::Trader

pub type Trader = (FixedRateOfFungible<CanonicalNativePerSecond, ToTreasury<Runtime>>, AssetRegistryTrader<FixedRateAssetRegistryTrader<FixedConversionRateProvider<OrmlAssetRegistry>>, ToTreasury<Runtime>>);

Trader - The means of purchasing weight credit for XCM execution. We need to ensure we have at least one rule per token we want to handle or else the xcm executor won’t know how to charge fees for a transfer of said token.