sc_rollup_storage.ml
(*****************************************************************************)
(* *)
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(* Copyright (c) 2021 Nomadic Labs <contact@nomadic-labs.com> *)
(* Copyright (c) 2022 TriliTech <contact@trili.tech> *)
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open Sc_rollup_errors
module Store = Storage.Sc_rollup
module Commitment = Sc_rollup_commitment_repr
module Commitment_hash = Commitment.Hash
(** [new_address ctxt] produces an address completely
determined by an operation hash and an origination counter, and
accounts for gas spent. *)
let new_address ctxt =
let open Result_syntax in
let* ctxt, nonce = Raw_context.increment_origination_nonce ctxt in
let* ctxt =
Raw_context.consume_gas ctxt Sc_rollup_costs.Constants.cost_serialize_nonce
in
match Data_encoding.Binary.to_bytes_opt Origination_nonce.encoding nonce with
| None -> tzfail Sc_rollup_address_generation
| Some nonce_bytes ->
let bytes_len = Bytes.length nonce_bytes in
let+ ctxt =
Raw_context.consume_gas
ctxt
(Sc_rollup_costs.cost_hash_bytes ~bytes_len)
in
(ctxt, Sc_rollup_repr.Address.hash_bytes [nonce_bytes])
let init_genesis_info ctxt address genesis_commitment =
let open Lwt_result_syntax in
let*? ctxt, commitment_hash =
Sc_rollup_commitment_storage.hash ctxt genesis_commitment
in
(* The [genesis_commitment.inbox_level] is equal to the current level. *)
let genesis_info : Commitment.genesis_info =
{commitment_hash; level = genesis_commitment.inbox_level}
in
let* ctxt, size = Store.Genesis_info.init ctxt address genesis_info in
return (ctxt, genesis_info, size)
let init_commitment_storage ctxt address
({commitment_hash = genesis_commitment_hash; level = origination_level} :
Commitment.genesis_info) genesis_commitment =
let open Lwt_result_syntax in
let* ctxt, lcc_size =
Store.Last_cemented_commitment.init ctxt address genesis_commitment_hash
in
let* ctxt, commitment_size_diff =
Store.Commitments.init
(ctxt, address)
genesis_commitment_hash
genesis_commitment
in
(* Those stores [Store.Commitment_added] and [Store.Commitment_stake_count]
are going to be used to look this bootstrap commitment.
This commitment is added here so the
[sc_rollup_state_storage.deallocate] function does not have to handle a
edge case.
*)
let* ctxt, commitment_added_size_diff =
Store.Commitment_added.init
(ctxt, address)
genesis_commitment_hash
origination_level
in
(* Those stores [Store.Commitment_first_publication_level] and
[Store.Commitment_count_per_inbox_level] are populated with dummy values,
in order the [sc_rollup_state_storage.deallocate_commitment_metadata]
function does not have to handle an edge case of genesis commitment hash.
*)
let* ctxt, commitment_first_publication_level_diff =
Store.Commitment_first_publication_level.init
(ctxt, address)
origination_level
origination_level
in
let* ctxt, commitments_per_inbox_level_diff =
Store.Commitments_per_inbox_level.init
(ctxt, address)
origination_level
[genesis_commitment_hash]
in
return
( ctxt,
lcc_size + commitment_size_diff + commitment_added_size_diff
+ commitment_first_publication_level_diff
+ commitments_per_inbox_level_diff )
let check_whitelist ctxt whitelist =
let open Result_syntax in
match whitelist with
| Some whitelist ->
let private_enabled = Constants_storage.sc_rollup_private_enable ctxt in
(* The whitelist must be None when the feature is deactivated. *)
let* () =
error_unless
private_enabled
Sc_rollup_errors.Sc_rollup_whitelist_disabled
in
(* The origination fails with an empty list. *)
error_when
(List.is_empty whitelist)
Sc_rollup_errors.Sc_rollup_empty_whitelist
| None -> Ok ()
let raw_originate ?whitelist ctxt ~kind ~parameters_ty ~genesis_commitment
~address =
let open Lwt_result_syntax in
let*? () = check_whitelist ctxt whitelist in
let* ctxt, pvm_kind_size = Store.PVM_kind.init ctxt address kind in
let* ctxt, param_ty_size =
Store.Parameters_type.init ctxt address parameters_ty
in
let* ctxt = Sc_rollup_staker_index_storage.init ctxt address in
let* ctxt, genesis_info, genesis_info_size_diff =
init_genesis_info ctxt address genesis_commitment
in
let* ctxt, commitment_size_diff =
init_commitment_storage ctxt address genesis_info genesis_commitment
in
(* TODO: https://gitlab.com/tezos/tezos/-/issues/4551
There is no need to have both `origination_size` and the size of storage.
We should remove one of them. *)
let addresses_size = 2 * Sc_rollup_repr.Address.size in
let stored_kind_size = 2 (* because tag_size of kind encoding is 16bits. *) in
let origination_size = Constants_storage.sc_rollup_origination_size ctxt in
let* ctxt, whitelist_size =
let*? () = check_whitelist ctxt whitelist in
match whitelist with
| Some whitelist ->
let* ctxt, new_storage_size =
Sc_rollup_whitelist_storage.init
~whitelist
ctxt
address
~origination_level:genesis_info.level
in
Sc_rollup_whitelist_storage.adjust_storage_space
ctxt
address
~new_storage_size
| None -> return (ctxt, Z.zero)
in
let size =
Z.(
add
(of_int
(origination_size + stored_kind_size + addresses_size + param_ty_size
+ pvm_kind_size + genesis_info_size_diff + commitment_size_diff))
whitelist_size)
in
return (size, genesis_info.commitment_hash, ctxt)
let originate ?whitelist ctxt ~kind ~parameters_ty ~genesis_commitment =
let open Lwt_result_syntax in
let*? ctxt, address = new_address ctxt in
let* size, genesis_commitment, ctxt =
raw_originate
?whitelist
ctxt
~kind
~parameters_ty
~genesis_commitment
~address
in
return (address, size, genesis_commitment, ctxt)
let kind ctxt address =
let open Lwt_result_syntax in
let* ctxt, kind_opt = Store.PVM_kind.find ctxt address in
match kind_opt with
| Some k -> return (ctxt, k)
| None -> tzfail (Sc_rollup_errors.Sc_rollup_does_not_exist address)
let list_unaccounted ctxt =
let open Lwt_result_syntax in
let*! res = Store.PVM_kind.keys_unaccounted ctxt in
return res
let genesis_info ctxt rollup =
let open Lwt_result_syntax in
let* ctxt, genesis_info = Store.Genesis_info.find ctxt rollup in
match genesis_info with
| None -> tzfail (Sc_rollup_does_not_exist rollup)
| Some genesis_info -> return (ctxt, genesis_info)
let get_metadata ctxt rollup =
let open Lwt_result_syntax in
let* ctxt, genesis_info = genesis_info ctxt rollup in
let metadata : Sc_rollup_metadata_repr.t =
{address = rollup; origination_level = genesis_info.level}
in
return (ctxt, metadata)
let parameters_type ctxt rollup =
let open Lwt_result_syntax in
let+ ctxt, res = Store.Parameters_type.find ctxt rollup in
(res, ctxt)
let must_exist ctxt rollup =
let open Lwt_result_syntax in
let* ctxt, exists = Store.Genesis_info.mem ctxt rollup in
if exists then return ctxt else tzfail (Sc_rollup_does_not_exist rollup)