companion: for call usage paritytech/substrate#9418 (#3522)

* add test for call size

* fix box arg

* fix xcm variant length + increase limit a bit

* fix para sudo wrapper call length

* reorganize

* fmt

* fix tests

* update Substrate

Co-authored-by: parity-processbot <>

relay/kusama/src/tests.rs

@@ -168,3 +168,13 @@ fn era_payout_should_give_sensible_results() {
 	assert_eq!(era_payout(75, 100, Perquintill::from_percent(10), Perquintill::one(), 0,), (10, 0));
 	assert_eq!(era_payout(80, 100, Perquintill::from_percent(10), Perquintill::one(), 0,), (6, 4));
 }
+
+#[test]
+fn call_size() {
+	assert!(
+		core::mem::size_of::<Call>() <= 230,
+		"size of Call is more than 230 bytes: some calls have too big arguments, use Box to reduce \
+		the size of Call.
+		If the limit is too strong, maybe consider increase the limit to 300.",
+	);
+}

relay/polkadot/src/lib.rs

@@ -1683,3 +1683,18 @@ mod test_fees {
 		assert!(active > target_voters, "we need to reevaluate the weight of the election system");
 	}
 }
+
+#[cfg(test)]
+mod test {
+	use super::*;
+
+	#[test]
+	fn call_size() {
+		assert!(
+			core::mem::size_of::<Call>() <= 230,
+			"size of Call is more than 230 bytes: some calls have too big arguments, use Box to \
+			reduce the size of Call.
+			If the limit is too strong, maybe consider increase the limit",
+		);
+	}
+}