XCM Oracle

let configuration = XcmEthereumCallConfiguration::<T>::get();
				match configuration {
					Some(mut configuration) => {
						let currency_id = currency_list[0];
						let token_amount = T::VtokenMintingInterface::get_token_pool(currency_id);
						// It's impossible to go wrong.
						let vcurrency_id = T::VtokenMintingInterface::vtoken_id(currency_id)
							.expect("Error convert vcurrency_id");
						let vtoken_amount = T::MultiCurrency::total_issuance(vcurrency_id);

						if configuration.last_block + configuration.period < n {
							let encoded_call = Self::encode_transact_call(
								configuration.contract,
								currency_id,
								token_amount,
								vtoken_amount,
							);

							let result = Self::send_xcm_to_set_token_amount(
								encoded_call,
								configuration.xcm_weight,
								configuration.xcm_fee,
							);

							if result.is_err() {
								return weight
									.saturating_add(T::DbWeight::get().reads_writes(4, 0));
							}
							Self::deposit_event(Event::XcmSetTokenAmount {
								currency_id,
								token_amount,
								vcurrency_id,
								vtoken_amount,
							});