Source file proxy_delegate_maker.ml

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let of_memory_tree (t : Tezos_context_memory.Context.tree) :
    Tezos_protocol_environment.Proxy_delegate.t =
  (module struct
    let proxy_dir_mem key =
      let open Lwt_syntax in
      let* v = Tezos_context_memory.Context.Tree.mem_tree t key in
      return_ok v

    let proxy_get key =
      let open Lwt_syntax in
      let* v = Tezos_context_memory.Context.Tree.find_tree t key in
      return_ok v

    let proxy_mem key =
      let open Lwt_syntax in
      let* v = Tezos_context_memory.Context.Tree.mem t key in
      return_ok v
  end : Tezos_protocol_environment.Proxy_delegate.T)

let of_memory_context (m : Tezos_context_memory.Context.t) :
    Tezos_protocol_environment.Proxy_delegate.t =
  (module struct
    let proxy_dir_mem key =
      let open Lwt_syntax in
      let* v = Tezos_context_memory.Context.mem_tree m key in
      return_ok v

    let proxy_get key =
      let open Lwt_syntax in
      let* v = Tezos_context_memory.Context.find_tree m key in
      return_ok v

    let proxy_mem key =
      let open Lwt_syntax in
      let* v = Tezos_context_memory.Context.mem m key in
      return_ok v
  end : Tezos_protocol_environment.Proxy_delegate.T)

let make_index ~(context_path : string) : Tezos_context.Context.index Lwt.t =
  Tezos_context.Context.init ~readonly:true context_path

let of_index ~(index : Tezos_context.Context.index)
    (hash : Tezos_crypto.Hashed.Context_hash.t) :
    Tezos_protocol_environment.Proxy_delegate.t tzresult Lwt.t =
  let open Lwt_syntax in
  let* ctxt = Tezos_context.Context.checkout index hash in
  match ctxt with
  | None ->
      failwith
        "Couldn't check out the hash %s"
        (Tezos_crypto.Hashed.Context_hash.to_string hash)
  | Some ctxt ->
      let proxy_data_dir : Tezos_protocol_environment.Proxy_delegate.t =
        (module struct
          let proxy_dir_mem (key : Tezos_context.Context.key) :
              bool tzresult Lwt.t =
            let* (res : bool) = Tezos_context.Context.mem_tree ctxt key in
            return_ok res

          let proxy_get (key : Tezos_context.Context.key) :
              Tezos_context_memory.Context.tree option tzresult Lwt.t =
            let* res = Tezos_context.Context.to_memory_tree ctxt key in
            return_ok res

          let proxy_mem (key : Tezos_context.Context.key) : bool tzresult Lwt.t
              =
            let* res = Tezos_context.Context.mem ctxt key in
            return_ok res
        end)
      in
      return_ok proxy_data_dir