Add a feature to create automatically a random temporary directory for base path & remove Clone (#6221)

* Initial commit

Forked at: 4adac40c07
Parent branch: origin/master

* Add a feature to create automatically a temporary directory for base path

* doc fix and todos

* use parking_lot instead

* use refcell instead since we stay in the main thread

* remove Clone derives

* add test

* solving dependency issue

* clarifying doc

* conflict argument with base-path

* WIP

Forked at: 4adac40c07
Parent branch: origin/master

* revert dep deletion

* fixing test and making base_path optional

* hold basepath while the service is running

* fixes

* Update client/cli/src/params/shared_params.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/service/Cargo.toml

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/cli/src/commands/mod.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update client/service/src/config.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* WIP

Forked at: 4adac40c07
Parent branch: origin/master

* improve doc

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

substrate/client/service/test/src/lib.rs

@@ -34,7 +34,7 @@ use sc_service::{
 	GenericChainSpec,
 	ChainSpecExtension,
 	Configuration,
-	config::{DatabaseConfig, KeystoreConfig},
+	config::{BasePath, DatabaseConfig, KeystoreConfig},
 	RuntimeGenesis,
 	Role,
 	Error,
@@ -210,6 +210,7 @@ fn node_config<G: RuntimeGenesis + 'static, E: ChainSpecExtension + Clone + 'sta
 		tracing_receiver: Default::default(),
 		max_runtime_instances: 8,
 		announce_block: true,
+		base_path: Some(BasePath::new(root)),
 	}
 }