rpc server with HTTP/WS on the same socket (#12663)

* jsonrpsee v0.16

add backwards compatibility

run old http server on http only

* cargo fmt

* update jsonrpsee 0.16.1

* less verbose cors log

* fix nit in log: WS -> HTTP

* revert needless changes in Cargo.lock

* remove unused features in tower

* fix nits; add client-core feature

* jsonrpsee v0.16.2

substrate/utils/frame/rpc/client/Cargo.toml

@@ -12,7 +12,7 @@ description = "Shared JSON-RPC client"
 targets = ["x86_64-unknown-linux-gnu"]
 
 [dependencies]
-jsonrpsee = { version = "0.15.1", features = ["ws-client"] }
+jsonrpsee = { version = "0.16.2", features = ["ws-client"] }
 sc-rpc-api = { version = "0.10.0-dev", path = "../../../../client/rpc-api" }
 async-trait = "0.1.57"
 serde = "1"

substrate/utils/frame/rpc/client/src/lib.rs

@@ -43,7 +43,10 @@ use sp_runtime::traits::{Block as BlockT, Header as HeaderT};
 use std::collections::VecDeque;
 
 pub use jsonrpsee::{
-	core::client::{ClientT, Subscription, SubscriptionClientT},
+	core::{
+		client::{ClientT, Subscription, SubscriptionClientT},
+		params::BatchRequestBuilder,
+	},
 	rpc_params,
 	ws_client::{WsClient, WsClientBuilder},
 };