A companion PR to the https://github.com/paritytech/substrate/pull/10995 (#5446)

* Add BlockBackend::requires_full_sync() implementation

* do not specify --pruning explicitly

* update lockfile for {"substrate"}

* Please re-run the CI

* Please re-run the CI

Co-authored-by: Roman Gafiyatullin <rg@rgmbp-16-m1.lan>
Co-authored-by: parity-processbot <>

polkadot/node/client/src/lib.rs

@@ -381,6 +381,16 @@ impl sc_client_api::BlockBackend<Block> for Client {
 			}
 		}
 	}
+
+	fn requires_full_sync(&self) -> bool {
+		with_client! {
+			self,
+			client,
+			{
+				client.requires_full_sync()
+			}
+		}
+	}
 }
 
 impl sc_client_api::StorageProvider<Block, crate::FullBackend> for Client {