Optimize offchain worker memory usage a bit. (#11454)

* add missing events to elections fallback

* Merged

* add some logs and stuff

* undo a bunch of things

* undo lock file

* remove unused err

* fix build

substrate/utils/frame/try-runtime/cli/src/commands/execute_block.rs

@@ -142,6 +142,11 @@ where
 			.overwrite_online_at(parent_hash.to_owned());
 
 		let builder = if command.overwrite_wasm_code {
+			log::info!(
+				target: LOG_TARGET,
+				"replacing the in-storage :code: with the local code from {}'s chain_spec (your local repo)",
+				config.chain_spec.name(),
+			);
 			let (code_key, code) = extract_code(&config.chain_spec)?;
 			builder.inject_hashed_key_value(&[(code_key, code)])
 		} else {

substrate/utils/frame/try-runtime/cli/src/commands/offchain_worker.rs

@@ -131,6 +131,11 @@ where
 		let builder = command.state.builder::<Block>()?;
 
 		let builder = if command.overwrite_wasm_code {
+			log::info!(
+				target: LOG_TARGET,
+				"replacing the in-storage :code: with the local code from {}'s chain_spec (your local repo)",
+				config.chain_spec.name(),
+			);
 			let (code_key, code) = extract_code(&config.chain_spec)?;
 			builder.inject_hashed_key_value(&[(code_key, code)])
 		} else {

substrate/utils/frame/try-runtime/cli/src/lib.rs

@@ -722,7 +722,7 @@ pub(crate) fn state_machine_call<Block: BlockT, D: NativeExecutionDispatch + 'st
 		sp_core::testing::TaskExecutor::new(),
 	)
 	.execute(execution.into())
-	.map_err(|e| format!("failed to execute 'TryRuntime_on_runtime_upgrade': {}", e))
+	.map_err(|e| format!("failed to execute '{}': {}", method, e))
 	.map_err::<sc_cli::Error, _>(Into::into)?;
 
 	Ok((changes, encoded_results))