Companion for #5412 (#942)

* Fixes for democracy using Scheduler

* Revert branch change

polkadot/parachain/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-parachain"
-version = "0.7.28"
+version = "0.7.29-pre1"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Types and utilities for creating and working with parachains"
 edition = "2018"

polkadot/parachain/src/wasm_api.rs

@@ -28,6 +28,7 @@ use sp_externalities::ExternalitiesExt;
 #[runtime_interface]
 pub trait Parachain {
 	/// Post a message to this parachain's relay chain.
+	#[allow(dead_code)]
 	fn post_upward_message(&mut self, msg: UpwardMessage) {
 		self.extension::<crate::wasm_executor::ParachainExt>()
 			.expect("No `ParachainExt` associated with the current context.")