Source file services.ml

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module S = struct
  let path = RPC_path.open_root

  let service_counter_a =
    RPC_service.get_service
      ~description:"Value of counter A"
      ~query:RPC_query.empty
      ~output:Data_encoding.int32
      RPC_path.(path / "counter" / "a")

  let service_counter_b =
    RPC_service.get_service
      ~description:"Value of counter B"
      ~query:RPC_query.empty
      ~output:Data_encoding.int32
      RPC_path.(path / "counter" / "b")
end

let rpc_services : Updater.rpc_context RPC_directory.t =
  let open Lwt_result_syntax in
  let dir = RPC_directory.empty in
  let dir =
    RPC_directory.register ~chunked:false dir S.service_counter_a (fun ctxt () () ->
        let context = ctxt.Updater.context in
        let*! state = State.get_state context in
        return state.State.a)
  in
  let dir =
    RPC_directory.register ~chunked:false dir S.service_counter_b (fun ctxt () () ->
        let context = ctxt.Updater.context in
        let*! state = State.get_state context in
        return state.State.b)
  in
  dir

let get_counter rpc_ctxt chain_blk counter_name =
  match counter_name with
  | `A ->
      RPC_context.make_call0 S.service_counter_a rpc_ctxt chain_blk () ()
  | `B ->
      RPC_context.make_call0 S.service_counter_b rpc_ctxt chain_blk () ()