Source file delegate_staking_parameters.ml

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let of_delegate ctxt delegate =
  let open Lwt_result_syntax in
  let* t =
    Storage.Contract.Staking_parameters.find
      ctxt
      (Contract_repr.Implicit delegate)
  in
  match t with
  | None -> return Staking_parameters_repr.default
  | Some t -> return t

let pending_updates ctxt delegate =
  let contract = Contract_repr.Implicit delegate in
  let preserved_cycles = Constants_storage.preserved_cycles ctxt in
  let current_cycle = (Raw_context.current_level ctxt).cycle in
  let to_cycle = Cycle_repr.add current_cycle (preserved_cycles + 1) in
  List.filter_map_es
    (fun cycle ->
      let open Lwt_result_syntax in
      let+ param_opt =
        Storage.Pending_staking_parameters.find (ctxt, cycle) contract
      in
      Option.map (fun param -> (cycle, param)) param_opt)
    Cycle_repr.(current_cycle ---> to_cycle)

let register_update ctxt delegate t =
  let open Lwt_result_syntax in
  let update_cycle =
    let current_level = Raw_context.current_level ctxt in
    let preserved_cycles = Constants_storage.preserved_cycles ctxt in
    Cycle_repr.add current_level.cycle (preserved_cycles + 1)
  in
  let*! ctxt =
    Storage.Pending_staking_parameters.add
      (ctxt, update_cycle)
      (Contract_repr.Implicit delegate)
      t
  in
  return ctxt

let activate ctxt ~new_cycle =
  let open Lwt_syntax in
  let* ctxt =
    Storage.Pending_staking_parameters.fold
      (ctxt, new_cycle)
      ~order:`Undefined
      ~init:ctxt
      ~f:(fun delegate t ctxt ->
        Storage.Contract.Staking_parameters.add ctxt delegate t)
  in
  Storage.Pending_staking_parameters.clear (ctxt, new_cycle)