Cumulus companion for substrate #10463 (#870)

* Companion for substrate #10463

* update lockfile for substrate

* update lockfile for polkadot

Co-authored-by: parity-processbot <>

cumulus/parachain-template/node/src/chain_spec.rs

@@ -105,6 +105,7 @@ pub fn development_config() -> ChainSpec {
 		None,
 		None,
 		None,
+		None,
 		Extensions {
 			relay_chain: "rococo-local".into(), // You MUST set this to the correct network!
 			para_id: 1000,
@@ -161,6 +162,8 @@ pub fn local_testnet_config() -> ChainSpec {
 		None,
 		// Protocol ID
 		Some("template-local"),
+		// Fork ID
+		None,
 		// Properties
 		Some(properties),
 		// Extensions