Proto/env: allow some Lwt in the construction of rpc_context

src/lib_base/protocol_environment.ml

@@ -96,7 +96,7 @@ module type T = sig
     validation_state -> operation -> validation_state tzresult Lwt.t
   val finalize_block:
     validation_state -> validation_result tzresult Lwt.t
-  val rpc_services: rpc_context RPC_directory.t
+  val rpc_services: rpc_context Lwt.t RPC_directory.t
   val configure_sandbox:
     context -> Data_encoding.json option -> context tzresult Lwt.t
 end

src/lib_base/protocol_environment.mli

@@ -89,7 +89,7 @@ module type T = sig
     validation_state -> operation -> validation_state tzresult Lwt.t
   val finalize_block:
     validation_state -> validation_result tzresult Lwt.t
-  val rpc_services: rpc_context RPC_directory.t
+  val rpc_services: rpc_context Lwt.t RPC_directory.t
   val configure_sandbox:
     context -> Data_encoding.json option -> context tzresult Lwt.t
 end

src/lib_protocol_environment_client/fake_updater.ml

@@ -66,7 +66,7 @@ module Make(Context : Protocol_environment.CONTEXT) = struct
       validation_state -> operation -> validation_state tzresult Lwt.t
     val finalize_block:
       validation_state -> validation_result tzresult Lwt.t
-    val rpc_services: rpc_context RPC_directory.t
+    val rpc_services: rpc_context Lwt.t RPC_directory.t
     val configure_sandbox:
       Context.t -> Data_encoding.json option -> Context.t tzresult Lwt.t
   end

src/lib_protocol_environment_sigs/v1/updater.mli

@@ -147,7 +147,7 @@ module type PROTOCOL = sig
     validation_state -> validation_result tzresult Lwt.t
 
   (** The list of remote procedures exported by this implementation *)
-  val rpc_services: rpc_context RPC_directory.t
+  val rpc_services: rpc_context Lwt.t RPC_directory.t
 
   (** An ad-hoc context patcher. It used only for debugging protocol
       while running in the "sandbox" mode. This function is never used

src/lib_shell/node.ml

@@ -557,7 +557,7 @@ module RPC = struct
     | Some rpc_context ->
         Context.get_protocol rpc_context.context >>= fun protocol_hash ->
         let (module Proto) = Registred_protocol.get_exn protocol_hash in
-        let dir = RPC_directory.map (fun () -> rpc_context) Proto.rpc_services in
+        let dir = RPC_directory.map (fun () -> Lwt.return rpc_context) Proto.rpc_services in
         Lwt.return (Some (RPC_directory.map (fun _ -> ()) dir))
 
   let heads node =

src/proto_alpha/lib_protocol/src/services_registration.ml

@@ -17,16 +17,16 @@ type rpc_context = {
   context: Tezos_context.t ;
 }
 
-let rpc_init
-    ({ block_hash ; block_header ;
-       operation_hashes ; operations ; context } : Updater.rpc_context) =
+let rpc_init (rpc_context : Updater.rpc_context Lwt.t) =
+  rpc_context >>= fun { block_hash ; block_header ;
+                        operation_hashes ; operations ; context } ->
   let level = Int32.succ block_header.shell.level in
   let timestamp = block_header.shell.timestamp in
   let fitness = block_header.shell.fitness in
   Tezos_context.init ~level ~timestamp ~fitness context >>=? fun context ->
   return { block_hash ; block_header ; operation_hashes ; operations ; context }
 
-let rpc_services = ref (RPC_directory.empty : Updater.rpc_context RPC_directory.t)
+let rpc_services = ref (RPC_directory.empty : Updater.rpc_context Lwt.t RPC_directory.t)
 
 let register0_fullctxt s f =
   rpc_services :=

src/proto_demo/lib_protocol/src/services.ml

@@ -23,7 +23,7 @@ let failing_service custom_root =
     ~output: Data_encoding.empty
     RPC_path.(custom_root / "failing")
 
-let rpc_services : Updater.rpc_context RPC_directory.t =
+let rpc_services : Updater.rpc_context Lwt.t RPC_directory.t =
   let dir = RPC_directory.empty in
   let dir =
     RPC_directory.register

src/proto_genesis/lib_protocol/src/services.ml

@@ -35,7 +35,7 @@ let int64_to_bytes i =
 let operations_hash =
   Operation_list_list_hash.compute []
 
-let rpc_services : Updater.rpc_context RPC_directory.t =
+let rpc_services : Updater.rpc_context Lwt.t RPC_directory.t =
   let dir = RPC_directory.empty in
   let dir =
     RPC_directory.register