ligo/vendors/ligo-utils/tezos-protocol-alpha/services_registration.ml

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2019-09-05 17:21:01 +04:00
(*****************************************************************************)
(* *)
(* Open Source License *)
(* Copyright (c) 2018 Dynamic Ledger Solutions, Inc. <contact@tezos.com> *)
(* *)
(* Permission is hereby granted, free of charge, to any person obtaining a *)
(* copy of this software and associated documentation files (the "Software"),*)
(* to deal in the Software without restriction, including without limitation *)
(* the rights to use, copy, modify, merge, publish, distribute, sublicense, *)
(* and/or sell copies of the Software, and to permit persons to whom the *)
(* Software is furnished to do so, subject to the following conditions: *)
(* *)
(* The above copyright notice and this permission notice shall be included *)
(* in all copies or substantial portions of the Software. *)
(* *)
(* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR*)
(* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *)
(* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL *)
(* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER*)
(* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *)
(* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *)
(* DEALINGS IN THE SOFTWARE. *)
(* *)
(*****************************************************************************)
open Alpha_context
type rpc_context = {
block_hash: Block_hash.t ;
block_header: Block_header.shell_header ;
context: Alpha_context.t ;
}
let rpc_init ({ block_hash ; block_header ; context } : Updater.rpc_context) =
let level = block_header.level in
let timestamp = block_header.timestamp in
let fitness = block_header.fitness in
Alpha_context.prepare ~level ~timestamp ~fitness context >>=? fun context ->
return { block_hash ; block_header ; context }
let rpc_services = ref (RPC_directory.empty : Updater.rpc_context RPC_directory.t)
let register0_fullctxt s f =
rpc_services :=
RPC_directory.register !rpc_services s
(fun ctxt q i ->
rpc_init ctxt >>=? fun ctxt ->
f ctxt q i)
let opt_register0_fullctxt s f =
rpc_services :=
RPC_directory.opt_register !rpc_services s
(fun ctxt q i ->
rpc_init ctxt >>=? fun ctxt ->
f ctxt q i)
let register0 s f =
register0_fullctxt s (fun { context ; _ } -> f context)
let register0_noctxt s f =
rpc_services :=
RPC_directory.register !rpc_services s
(fun _ q i -> f q i)
let register1_fullctxt s f =
rpc_services :=
RPC_directory.register !rpc_services s
(fun (ctxt, arg) q i ->
rpc_init ctxt >>=? fun ctxt ->
f ctxt arg q i)
let register1 s f = register1_fullctxt s (fun { context ; _ } x -> f context x)
let register1_noctxt s f =
rpc_services :=
RPC_directory.register !rpc_services s
(fun (_, arg) q i -> f arg q i)
let register2_fullctxt s f =
rpc_services :=
RPC_directory.register !rpc_services s
(fun ((ctxt, arg1), arg2) q i ->
rpc_init ctxt >>=? fun ctxt ->
f ctxt arg1 arg2 q i)
let register2 s f =
register2_fullctxt s (fun { context ; _ } a1 a2 q i -> f context a1 a2 q i)
let get_rpc_services () =
let p =
RPC_directory.map
(fun c ->
rpc_init c >>= function
| Error _ -> assert false
| Ok c -> Lwt.return c.context)
(Storage_description.build_directory Alpha_context.description) in
RPC_directory.register_dynamic_directory
!rpc_services
RPC_path.(open_root / "context" / "raw" / "json")
(fun _ -> Lwt.return p)