Companion pr for Substrate #5741 (#1026)

* Companion pr for Substrate #5741

* update to substrate master

Co-authored-by: André Silva <andre.beat@gmail.com>

polkadot/parachain/src/wasm_executor/mod.rs

@@ -183,7 +183,6 @@ pub fn validate_candidate_internal<E: Externalities + 'static>(
 		// TODO: Make sure we don't use more than 1GB: https://github.com/paritytech/polkadot/issues/699
 		Some(1024),
 		HostFunctions::host_functions(),
-		false,
 		8
 	);
 	let res = executor.call_in_wasm(
@@ -192,6 +191,7 @@ pub fn validate_candidate_internal<E: Externalities + 'static>(
 		"validate_block",
 		encoded_call_data,
 		&mut ext,
+		sp_core::traits::MissingHostFunctions::Allow,
 	)?;
 
 	ValidationResult::decode(&mut &res[..]).map_err(|_| Error::BadReturn.into())