MinaProtocol / mina / 159

Committed 06 May 2025 07:33AM UTC coverage: 36.542% (-24.2%) from 60.761%

Build # 159

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Commit Message

Merge pull request #17152 from MinaProtocol/dw/replace-codeowners-master

CODEOWNERS: add Deepthi, George and Danny

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23.03

/src/lib/mina_base/user_command.ml

open Core_kernel

module Poly = struct
  [%%versioned
  module Stable = struct
    module V2 = struct
      type ('u, 's) t =
            ('u, 's) Mina_wire_types.Mina_base.User_command.Poly.V2.t =
        | Signed_command of 'u
        | Zkapp_command of 's
      [@@deriving sexp, compare, equal, hash, yojson]

      let to_latest = Fn.id
    end

    module V1 = struct
      type ('u, 's) t = Signed_command of 'u | Snapp_command of 's
      [@@deriving sexp, compare, equal, hash, yojson]

      let to_latest : _ t -> _ V2.t = function
        | Signed_command x ->
            Signed_command x
        | Snapp_command _ ->
            failwith "Snapp_command"
    end
  end]
end

type ('u, 's) t_ = ('u, 's) Poly.Stable.Latest.t =
  | Signed_command of 'u
  | Zkapp_command of 's

module Gen_make (C : Signed_command_intf.Gen_intf) = struct
  let to_signed_command f =
    Quickcheck.Generator.map f ~f:(fun c -> Signed_command c)

  open C.Gen

  let payment ?sign_type ~key_gen ?nonce ~max_amount ~fee_range () =
    to_signed_command
      (payment ?sign_type ~key_gen ?nonce ~max_amount ~fee_range ())

  let payment_with_random_participants ?sign_type ~keys ?nonce ~max_amount
      ~fee_range () =
    to_signed_command
      (payment_with_random_participants ?sign_type ~keys ?nonce ~max_amount
         ~fee_range () )

  let stake_delegation ~key_gen ?nonce ~fee_range () =
    to_signed_command (stake_delegation ~key_gen ?nonce ~fee_range ())

  let stake_delegation_with_random_participants ~keys ?nonce ~fee_range () =
    to_signed_command
      (stake_delegation_with_random_participants ~keys ?nonce ~fee_range ())

  let sequence ?length ?sign_type a =
    Quickcheck.Generator.map
      (sequence ?length ?sign_type a)
      ~f:(List.map ~f:(fun c -> Signed_command c))
end

module Gen = Gen_make (Signed_command)

let gen_signed =
  let module G = Signed_command.Gen in
  let open Quickcheck.Let_syntax in
  let%bind keys =
    Quickcheck.Generator.list_with_length 2
      Mina_base_import.Signature_keypair.gen
  in
  G.payment_with_random_participants ~sign_type:`Real ~keys:(Array.of_list keys)
    ~max_amount:10000 ~fee_range:1000 ()

let gen = Gen.to_signed_command gen_signed

[%%versioned
module Stable = struct
  module V2 = struct
    type t =
      (Signed_command.Stable.V2.t, Zkapp_command.Stable.V1.t) Poly.Stable.V2.t
    [@@deriving sexp, compare, equal, hash, yojson]

    let to_latest = Fn.id
  end
end]

let to_base64 : t -> string = function
  | Signed_command sc ->
      Signed_command.to_base64 sc
  | Zkapp_command zc ->
      Zkapp_command.to_base64 zc

let of_base64 s : t Or_error.t =
  match Signed_command.of_base64 s with
  | Ok sc ->
      Ok (Signed_command sc)
  | Error err1 -> (
      match Zkapp_command.of_base64 s with
      | Ok zc ->
          Ok (Zkapp_command zc)
      | Error err2 ->
          Error
            (Error.of_string
               (sprintf
                  "Could decode Base64 neither to signed command (%s), nor to \
                   zkApp (%s)"
                  (Error.to_string_hum err1) (Error.to_string_hum err2) ) ) )

(*
include Allocation_functor.Make.Versioned_v1.Full_compare_eq_hash (struct
  let id = "user_command"

  [%%versioned
  module Stable = struct
    module V1 = struct
      type t =
        (Signed_command.Stable.V1.t, Snapp_command.Stable.V1.t) Poly.Stable.V1.t
      [@@deriving sexp, compare, equal, hash, yojson]

      let to_latest = Fn.id

      type 'a creator : Signed_command.t -> Snapp_command.t -> 'a

      let create cmd1 cmd2 = (cmd1, cmd2)
    end
  end]
end)
*)

module Zero_one_or_two = struct
  [%%versioned
  module Stable = struct
    module V1 = struct
      type 'a t = [ `Zero | `One of 'a | `Two of 'a * 'a ]
      [@@deriving sexp, compare, equal, hash, yojson]
    end
  end]
end

module Verifiable = struct
  type t =
    ( Signed_command.Stable.Latest.t
    , Zkapp_command.Verifiable.t )
    Poly.Stable.Latest.t
  [@@deriving sexp, compare, equal, hash, yojson, bin_io_unversioned]

  let fee_payer (t : t) =
    match t with
    | Signed_command x ->
        Signed_command.fee_payer x
    | Zkapp_command p ->
        Account_update.Fee_payer.account_id p.fee_payer
end

let to_verifiable (t : t) ~failed ~find_vk : Verifiable.t Or_error.t =
  match t with
  | Signed_command c ->
      Ok (Signed_command c)
  | Zkapp_command cmd ->
      Zkapp_command.Verifiable.create ~failed ~find_vk cmd
      |> Or_error.map ~f:(fun cmd -> Zkapp_command cmd)

module Make_to_all_verifiable
    (Strategy : Zkapp_command.Verifiable.Create_all_intf) =
struct
  let to_all_verifiable (ts : t Strategy.Command_wrapper.t list) ~load_vk_cache
      : Verifiable.t Strategy.Command_wrapper.t list Or_error.t =
    let open Or_error.Let_syntax in
    (* First we tag everything with its index *)
    let its = List.mapi ts ~f:(fun i x -> (i, x)) in
    (* then we partition out the zkapp commands *)
    let izk_cmds, is_cmds =
      List.partition_map its ~f:(fun (i, cmd) ->
          match Strategy.Command_wrapper.unwrap cmd with
          | Zkapp_command c ->
              First (i, Strategy.Command_wrapper.map cmd ~f:(Fn.const c))
          | Signed_command c ->
              Second (i, Strategy.Command_wrapper.map cmd ~f:(Fn.const c)) )
    in
    (* then unzip the indices *)
    let ixs, zk_cmds = List.unzip izk_cmds in
    (* then we verify the zkapp commands *)
    (* TODO: we could optimize this by skipping the fee payer and non-proof authorizations *)
    let accounts_referenced =
      List.fold_left zk_cmds ~init:Account_id.Set.empty ~f:(fun set zk_cmd ->
          Strategy.Command_wrapper.unwrap zk_cmd
          |> Zkapp_command.accounts_referenced |> Account_id.Set.of_list
          |> Set.union set )
    in
    let vk_cache = load_vk_cache accounts_referenced in
    let%map vzk_cmds = Strategy.create_all zk_cmds vk_cache in
    (* rezip indices *)
    let ivzk_cmds = List.zip_exn ixs vzk_cmds in
    (* Put them back in with a sort by index (un-partition) *)
    let ivs =
      List.map is_cmds ~f:(fun (i, cmd) ->
          (i, Strategy.Command_wrapper.map cmd ~f:(fun c -> Signed_command c)) )
      @ List.map ivzk_cmds ~f:(fun (i, cmd) ->
            (i, Strategy.Command_wrapper.map cmd ~f:(fun c -> Zkapp_command c)) )
      |> List.sort ~compare:(fun (i, _) (j, _) -> i - j)
    in
    (* Drop the indices *)
    List.unzip ivs |> snd
end

module Unapplied_sequence =
  Make_to_all_verifiable (Zkapp_command.Verifiable.From_unapplied_sequence)
module Applied_sequence =
  Make_to_all_verifiable (Zkapp_command.Verifiable.From_applied_sequence)

let of_verifiable (t : Verifiable.t) : t =
  match t with
  | Signed_command x ->
      Signed_command x
  | Zkapp_command p ->
      Zkapp_command (Zkapp_command.of_verifiable p)

let fee : t -> Currency.Fee.t = function
  | Signed_command x ->
      Signed_command.fee x
  | Zkapp_command p ->
      Zkapp_command.fee p

let has_insufficient_fee ~minimum_fee t = Currency.Fee.(fee t < minimum_fee)

let is_disabled = function
  | Zkapp_command _ ->
      Node_config_unconfigurable_constants.zkapps_disabled
  | _ ->
      false

(* always `Accessed` for fee payer *)
let accounts_accessed (t : t) (status : Transaction_status.t) :
    (Account_id.t * [ `Accessed | `Not_accessed ]) list =
  match t with
  | Signed_command x ->
      Signed_command.account_access_statuses x status
  | Zkapp_command ps ->
      Zkapp_command.account_access_statuses ps status

let accounts_referenced (t : t) =
  List.map (accounts_accessed t Applied) ~f:(fun (acct_id, _status) -> acct_id)

let fee_payer (t : t) =
  match t with
  | Signed_command x ->
      Signed_command.fee_payer x
  | Zkapp_command p ->
      Zkapp_command.fee_payer p

(** The application nonce is the nonce of the fee payer at which a user command can be applied. *)
let applicable_at_nonce (t : t) =
  match t with
  | Signed_command x ->
      Signed_command.nonce x
  | Zkapp_command p ->
      Zkapp_command.applicable_at_nonce p

let expected_target_nonce t = Account.Nonce.succ (applicable_at_nonce t)

let extract_vks : t -> (Account_id.t * Verification_key_wire.t) List.t =
  function
  | Signed_command _ ->
      []
  | Zkapp_command cmd ->
      Zkapp_command.extract_vks cmd

(** The target nonce is what the nonce of the fee payer will be after a user command is successfully applied. *)
let target_nonce_on_success (t : t) =
  match t with
  | Signed_command x ->
      Account.Nonce.succ (Signed_command.nonce x)
  | Zkapp_command p ->
      Zkapp_command.target_nonce_on_success p

let fee_token (t : t) =
  match t with
  | Signed_command x ->
      Signed_command.fee_token x
  | Zkapp_command x ->
      Zkapp_command.fee_token x

let valid_until (t : t) =
  match t with
  | Signed_command x ->
      Signed_command.valid_until x
  | Zkapp_command { fee_payer; _ } -> (
      match fee_payer.Account_update.Fee_payer.body.valid_until with
      | Some valid_until ->
          valid_until
      | None ->
          Mina_numbers.Global_slot_since_genesis.max_value )

module Valid = struct
  type t_ = t

  type t = (Signed_command.With_valid_signature.t, Zkapp_command.Valid.t) Poly.t
  [@@deriving sexp, compare, equal, hash, yojson]

  module Gen = Gen_make (Signed_command.With_valid_signature)
end

let check_verifiable (t : Verifiable.t) : Valid.t Or_error.t =
  match t with
  | Signed_command x -> (
      match Signed_command.check x with
      | Some c ->
          Ok (Signed_command c)
      | None ->
          Or_error.error_string "Invalid signature" )
  | Zkapp_command p ->
      Ok (Zkapp_command (Zkapp_command.Valid.of_verifiable p))

let check ~failed ~find_vk (t : t) : Valid.t Or_error.t =
  to_verifiable ~failed ~find_vk t |> Or_error.bind ~f:check_verifiable

let forget_check (t : Valid.t) : t =
  match t with
  | Zkapp_command x ->
      Zkapp_command (Zkapp_command.Valid.forget x)
  | Signed_command c ->
      Signed_command (c :> Signed_command.t)

let to_valid_unsafe (t : t) =
  `If_this_is_used_it_should_have_a_comment_justifying_it
    ( match t with
    | Zkapp_command x ->
        let (`If_this_is_used_it_should_have_a_comment_justifying_it x) =
          Zkapp_command.Valid.to_valid_unsafe x
        in
        Zkapp_command x
    | Signed_command x ->
        (* This is safe due to being immediately wrapped again. *)
        let (`If_this_is_used_it_should_have_a_comment_justifying_it x) =
          Signed_command.to_valid_unsafe x
        in
        Signed_command x )

let filter_by_participant (commands : t list) public_key =
  List.filter commands ~f:(fun user_command ->
      Core_kernel.List.exists
        (accounts_referenced user_command)
        ~f:
          (Fn.compose
             (Signature_lib.Public_key.Compressed.equal public_key)
             Account_id.public_key ) )

(* A metric on user commands that should correspond roughly to resource costs
   for validation/application *)
let weight : t -> int = function
  | Signed_command signed_command ->
      Signed_command.payload signed_command |> Signed_command_payload.weight
  | Zkapp_command zkapp_command ->
      Zkapp_command.weight zkapp_command

(* Fee per weight unit *)
let fee_per_wu (user_command : Stable.Latest.t) : Currency.Fee_rate.t =
  (*TODO: return Or_error*)
  Currency.Fee_rate.make_exn (fee user_command) (weight user_command)

let valid_size ~genesis_constants = function
  | Signed_command _ ->
      Ok ()
  | Zkapp_command zkapp_command ->
      Zkapp_command.valid_size ~genesis_constants zkapp_command

let has_zero_vesting_period = function
  | Signed_command _ ->
      false
  | Zkapp_command p ->
      Zkapp_command.has_zero_vesting_period p

let is_incompatible_version = function
  | Signed_command _ ->
      false
  | Zkapp_command p ->
      Zkapp_command.is_incompatible_version p

let has_invalid_call_forest : t -> bool = function
  | Signed_command _ ->
      false
  | Zkapp_command cmd ->
      List.exists cmd.account_updates ~f:(fun call_forest ->
          let root_may_use_token =
            call_forest.elt.account_update.body.may_use_token
          in
          not (Account_update.May_use_token.equal root_may_use_token No) )

module Well_formedness_error = struct
  (* syntactically-evident errors such that a user command can never succeed *)
  type t =
    | Insufficient_fee
    | Zero_vesting_period
    | Zkapp_too_big of (Error.t[@to_yojson Error_json.error_to_yojson])
    | Zkapp_invalid_call_forest
    | Transaction_type_disabled
    | Incompatible_version
  [@@deriving compare, to_yojson, sexp]

  let to_string = function
    | Insufficient_fee ->
        "Insufficient fee"
    | Zero_vesting_period ->
        "Zero vesting period"
    | Zkapp_too_big err ->
        sprintf "Zkapp too big (%s)" (Error.to_string_hum err)
    | Zkapp_invalid_call_forest ->
        "Zkapp has an invalid call forest (root account updates may not use \
         tokens)"
    | Incompatible_version ->
        "Set verification-key permission is updated to an incompatible version"
    | Transaction_type_disabled ->
        "Transaction type disabled"
end

let check_well_formedness ~(genesis_constants : Genesis_constants.t) t :
    (unit, Well_formedness_error.t list) result =
  let preds =
    let open Well_formedness_error in
    [ ( has_insufficient_fee
          ~minimum_fee:genesis_constants.minimum_user_command_fee
      , Insufficient_fee )
    ; (has_zero_vesting_period, Zero_vesting_period)
    ; (is_incompatible_version, Incompatible_version)
    ; (is_disabled, Transaction_type_disabled)
    ; (has_invalid_call_forest, Zkapp_invalid_call_forest)
    ]
  in
  let errs0 =
    List.fold preds ~init:[] ~f:(fun acc (f, err) ->
        if f t then err :: acc else acc )
  in
  let errs =
    match valid_size ~genesis_constants t with
    | Ok () ->
        errs0
    | Error err ->
        Zkapp_too_big err :: errs0
  in
  if List.is_empty errs then Ok () else Error errs

type fee_payer_summary_t = Signature.t * Account.key * int
[@@deriving yojson, hash]

let fee_payer_summary : t -> fee_payer_summary_t = function
  | Zkapp_command cmd ->
      let fp = Zkapp_command.fee_payer_account_update cmd in
      let open Account_update in
      let body = Fee_payer.body fp in
      ( Fee_payer.authorization fp
      , Body.Fee_payer.public_key body
      , Body.Fee_payer.nonce body |> Unsigned.UInt32.to_int )
  | Signed_command cmd ->
      Signed_command.
        (signature cmd, fee_payer_pk cmd, nonce cmd |> Unsigned.UInt32.to_int)

let fee_payer_summary_json =
  Fn.compose fee_payer_summary_t_to_yojson fee_payer_summary

let fee_payer_summary_string =
  let to_string (signature, pk, nonce) =
    sprintf "%s (%s %d)"
      (Signature.to_base58_check signature)
      (Signature_lib.Public_key.Compressed.to_base58_check pk)
      nonce
  in
  Fn.compose to_string fee_payer_summary

1	open Core_kernel	25✔
2
3	module Poly = struct
4	[%%versioned
5	module Stable = struct
6	module V2 = struct
7	type ('u, 's) t =	53✔
8	('u, 's) Mina_wire_types.Mina_base.User_command.Poly.V2.t =
9	\| Signed_command of 'u	×
10	\| Zkapp_command of 's	×
11	[@@deriving sexp, compare, equal, hash, yojson]	125✔
12
13	let to_latest = Fn.id
14	end
15
16	module V1 = struct
17	type ('u, 's) t = Signed_command of 'u \| Snapp_command of 's	×
18	[@@deriving sexp, compare, equal, hash, yojson]	25✔
19
20	let to_latest : _ t -> _ V2.t = function
21	\| Signed_command x ->	×
22	Signed_command x
23	\| Snapp_command _ ->	×
24	failwith "Snapp_command"
25	end
26	end]
27	end
28
29	type ('u, 's) t_ = ('u, 's) Poly.Stable.Latest.t =
30	\| Signed_command of 'u
31	\| Zkapp_command of 's
32
33	module Gen_make (C : Signed_command_intf.Gen_intf) = struct
34	let to_signed_command f =
35	Quickcheck.Generator.map f ~f:(fun c -> Signed_command c)	2✔
36
37	open C.Gen
38
39	let payment ?sign_type ~key_gen ?nonce ~max_amount ~fee_range () =
40	to_signed_command	×
41	(payment ?sign_type ~key_gen ?nonce ~max_amount ~fee_range ())	×
42
43	let payment_with_random_participants ?sign_type ~keys ?nonce ~max_amount
44	~fee_range () =
45	to_signed_command	1✔
46	(payment_with_random_participants ?sign_type ~keys ?nonce ~max_amount	1✔
47	~fee_range () )
48
49	let stake_delegation ~key_gen ?nonce ~fee_range () =
50	to_signed_command (stake_delegation ~key_gen ?nonce ~fee_range ())	×
51
52	let stake_delegation_with_random_participants ~keys ?nonce ~fee_range () =
53	to_signed_command	×
54	(stake_delegation_with_random_participants ~keys ?nonce ~fee_range ())	×
55
56	let sequence ?length ?sign_type a =
57	Quickcheck.Generator.map	×
58	(sequence ?length ?sign_type a)	×
59	~f:(List.map ~f:(fun c -> Signed_command c))	×
60	end
61
62	module Gen = Gen_make (Signed_command)
63
64	let gen_signed =
65	let module G = Signed_command.Gen in
66	let open Quickcheck.Let_syntax in
67	let%bind keys =
68	Quickcheck.Generator.list_with_length 2	25✔
69	Mina_base_import.Signature_keypair.gen
70	in
71	G.payment_with_random_participants ~sign_type:`Real ~keys:(Array.of_list keys)	×
72	~max_amount:10000 ~fee_range:1000 ()
73
74	let gen = Gen.to_signed_command gen_signed	25✔
75
76	[%%versioned
77	module Stable = struct
78	module V2 = struct
79	type t =	25✔
80	(Signed_command.Stable.V2.t, Zkapp_command.Stable.V1.t) Poly.Stable.V2.t	×
81	[@@deriving sexp, compare, equal, hash, yojson]	125✔
82
83	let to_latest = Fn.id
84	end
85	end]
86
87	let to_base64 : t -> string = function
88	\| Signed_command sc ->	×
89	Signed_command.to_base64 sc
90	\| Zkapp_command zc ->	×
91	Zkapp_command.to_base64 zc
92
93	let of_base64 s : t Or_error.t =
94	match Signed_command.of_base64 s with	×
95	\| Ok sc ->	×
96	Ok (Signed_command sc)
97	\| Error err1 -> (	×
98	match Zkapp_command.of_base64 s with
99	\| Ok zc ->	×
100	Ok (Zkapp_command zc)
101	\| Error err2 ->	×
102	Error
103	(Error.of_string	×
104	(sprintf	×
105	"Could decode Base64 neither to signed command (%s), nor to \
106	zkApp (%s)"
107	(Error.to_string_hum err1) (Error.to_string_hum err2) ) ) )	×
108
109	(*
110	include Allocation_functor.Make.Versioned_v1.Full_compare_eq_hash (struct
111	let id = "user_command"
112
113	[%%versioned
114	module Stable = struct
115	module V1 = struct
116	type t =
117	(Signed_command.Stable.V1.t, Snapp_command.Stable.V1.t) Poly.Stable.V1.t
118	[@@deriving sexp, compare, equal, hash, yojson]
119
120	let to_latest = Fn.id
121
122	type 'a creator : Signed_command.t -> Snapp_command.t -> 'a
123
124	let create cmd1 cmd2 = (cmd1, cmd2)
125	end
126	end]
127	end)
128	*)
129
130	module Zero_one_or_two = struct
131	[%%versioned
132	module Stable = struct
133	module V1 = struct
134	type 'a t = [ `Zero \| `One of 'a \| `Two of 'a * 'a ]	×
135	[@@deriving sexp, compare, equal, hash, yojson]	25✔
136	end
137	end]
138	end
139
140	module Verifiable = struct
141	type t =	25✔
142	( Signed_command.Stable.Latest.t	×
143	, Zkapp_command.Verifiable.t )	×
144	Poly.Stable.Latest.t	×
145	[@@deriving sexp, compare, equal, hash, yojson, bin_io_unversioned]	100✔
146
147	let fee_payer (t : t) =
148	match t with	×
149	\| Signed_command x ->	×
150	Signed_command.fee_payer x
151	\| Zkapp_command p ->	×
152	Account_update.Fee_payer.account_id p.fee_payer
153	end
154
155	let to_verifiable (t : t) ~failed ~find_vk : Verifiable.t Or_error.t =
156	match t with	×
157	\| Signed_command c ->	×
158	Ok (Signed_command c)
159	\| Zkapp_command cmd ->	×
160	Zkapp_command.Verifiable.create ~failed ~find_vk cmd	×
161	\|> Or_error.map ~f:(fun cmd -> Zkapp_command cmd)	×
162
163	module Make_to_all_verifiable
164	(Strategy : Zkapp_command.Verifiable.Create_all_intf) =
165	struct
166	let to_all_verifiable (ts : t Strategy.Command_wrapper.t list) ~load_vk_cache
167	: Verifiable.t Strategy.Command_wrapper.t list Or_error.t =
168	let open Or_error.Let_syntax in	200✔
169	(* First we tag everything with its index *)
170	let its = List.mapi ts ~f:(fun i x -> (i, x)) in	480✔
171	(* then we partition out the zkapp commands *)
172	let izk_cmds, is_cmds =	200✔
173	List.partition_map its ~f:(fun (i, cmd) ->
174	match Strategy.Command_wrapper.unwrap cmd with	480✔
175	\| Zkapp_command c ->	×
176	First (i, Strategy.Command_wrapper.map cmd ~f:(Fn.const c))	×
177	\| Signed_command c ->	480✔
178	Second (i, Strategy.Command_wrapper.map cmd ~f:(Fn.const c)) )	480✔
179	in
180	(* then unzip the indices *)
181	let ixs, zk_cmds = List.unzip izk_cmds in	200✔
182	(* then we verify the zkapp commands *)
183	(* TODO: we could optimize this by skipping the fee payer and non-proof authorizations *)
184	let accounts_referenced =	200✔
185	List.fold_left zk_cmds ~init:Account_id.Set.empty ~f:(fun set zk_cmd ->
186	Strategy.Command_wrapper.unwrap zk_cmd	×
187	\|> Zkapp_command.accounts_referenced \|> Account_id.Set.of_list	×
188	\|> Set.union set )
189	in
190	let vk_cache = load_vk_cache accounts_referenced in	200✔
191	let%map vzk_cmds = Strategy.create_all zk_cmds vk_cache in	200✔
192	(* rezip indices *)
193	let ivzk_cmds = List.zip_exn ixs vzk_cmds in	200✔
194	(* Put them back in with a sort by index (un-partition) *)
195	let ivs =	200✔
196	List.map is_cmds ~f:(fun (i, cmd) ->	200✔
197	(i, Strategy.Command_wrapper.map cmd ~f:(fun c -> Signed_command c)) )	480✔
198	@ List.map ivzk_cmds ~f:(fun (i, cmd) ->	200✔
199	(i, Strategy.Command_wrapper.map cmd ~f:(fun c -> Zkapp_command c)) )	×
200	\|> List.sort ~compare:(fun (i, _) (j, _) -> i - j)	700✔
201	in
202	(* Drop the indices *)
203	List.unzip ivs \|> snd	200✔
204	end
205
206	module Unapplied_sequence =
207	Make_to_all_verifiable (Zkapp_command.Verifiable.From_unapplied_sequence)
208	module Applied_sequence =
209	Make_to_all_verifiable (Zkapp_command.Verifiable.From_applied_sequence)
210
211	let of_verifiable (t : Verifiable.t) : t =
212	match t with	×
213	\| Signed_command x ->	×
214	Signed_command x
215	\| Zkapp_command p ->	×
216	Zkapp_command (Zkapp_command.of_verifiable p)	×
217
218	let fee : t -> Currency.Fee.t = function
219	\| Signed_command x ->	20,000✔
220	Signed_command.fee x
221	\| Zkapp_command p ->	×
222	Zkapp_command.fee p
223
224	let has_insufficient_fee ~minimum_fee t = Currency.Fee.(fee t < minimum_fee)	×
225
226	let is_disabled = function
227	\| Zkapp_command _ ->	×
228	Node_config_unconfigurable_constants.zkapps_disabled
229	\| _ ->	×
230	false
231
232	(* always `Accessed` for fee payer *)
233	let accounts_accessed (t : t) (status : Transaction_status.t) :
234	(Account_id.t * [ `Accessed \| `Not_accessed ]) list =
235	match t with	×
236	\| Signed_command x ->	×
237	Signed_command.account_access_statuses x status
238	\| Zkapp_command ps ->	×
239	Zkapp_command.account_access_statuses ps status
240
241	let accounts_referenced (t : t) =
242	List.map (accounts_accessed t Applied) ~f:(fun (acct_id, _status) -> acct_id)	×
243
244	let fee_payer (t : t) =
245	match t with	480✔
246	\| Signed_command x ->	480✔
247	Signed_command.fee_payer x
248	\| Zkapp_command p ->	×
249	Zkapp_command.fee_payer p
250
251	(** The application nonce is the nonce of the fee payer at which a user command can be applied. *)
252	let applicable_at_nonce (t : t) =
253	match t with	×
254	\| Signed_command x ->	×
255	Signed_command.nonce x
256	\| Zkapp_command p ->	×
257	Zkapp_command.applicable_at_nonce p
258
259	let expected_target_nonce t = Account.Nonce.succ (applicable_at_nonce t)	×
260
261	let extract_vks : t -> (Account_id.t * Verification_key_wire.t) List.t =
262	function
263	\| Signed_command _ ->	×
264	[]
265	\| Zkapp_command cmd ->	×
266	Zkapp_command.extract_vks cmd
267
268	(** The target nonce is what the nonce of the fee payer will be after a user command is successfully applied. *)
269	let target_nonce_on_success (t : t) =
270	match t with	×
271	\| Signed_command x ->	×
272	Account.Nonce.succ (Signed_command.nonce x)	×
273	\| Zkapp_command p ->	×
274	Zkapp_command.target_nonce_on_success p
275
276	let fee_token (t : t) =
277	match t with	×
278	\| Signed_command x ->	×
279	Signed_command.fee_token x
280	\| Zkapp_command x ->	×
281	Zkapp_command.fee_token x
282
283	let valid_until (t : t) =
284	match t with	×
285	\| Signed_command x ->	×
286	Signed_command.valid_until x
287	\| Zkapp_command { fee_payer; _ } -> (	×
288	match fee_payer.Account_update.Fee_payer.body.valid_until with
289	\| Some valid_until ->	×
290	valid_until
291	\| None ->	×
292	Mina_numbers.Global_slot_since_genesis.max_value )
293
294	module Valid = struct
295	type t_ = t
296
297	type t = (Signed_command.With_valid_signature.t, Zkapp_command.Valid.t) Poly.t	×
298	[@@deriving sexp, compare, equal, hash, yojson]	×
299
300	module Gen = Gen_make (Signed_command.With_valid_signature)
301	end
302
303	let check_verifiable (t : Verifiable.t) : Valid.t Or_error.t =
304	match t with	×
305	\| Signed_command x -> (	×
306	match Signed_command.check x with
307	\| Some c ->	×
308	Ok (Signed_command c)
309	\| None ->	×
310	Or_error.error_string "Invalid signature" )
311	\| Zkapp_command p ->	×
312	Ok (Zkapp_command (Zkapp_command.Valid.of_verifiable p))	×
313
314	let check ~failed ~find_vk (t : t) : Valid.t Or_error.t =
315	to_verifiable ~failed ~find_vk t \|> Or_error.bind ~f:check_verifiable	×
316
317	let forget_check (t : Valid.t) : t =
318	match t with	22,560✔
319	\| Zkapp_command x ->	×
320	Zkapp_command (Zkapp_command.Valid.forget x)	×
321	\| Signed_command c ->	22,560✔
322	Signed_command (c :> Signed_command.t)
323
324	let to_valid_unsafe (t : t) =
325	`If_this_is_used_it_should_have_a_comment_justifying_it	960✔
326	( match t with
327	\| Zkapp_command x ->	×
328	let (`If_this_is_used_it_should_have_a_comment_justifying_it x) =
329	Zkapp_command.Valid.to_valid_unsafe x
330	in
331	Zkapp_command x	×
332	\| Signed_command x ->	960✔
333	(* This is safe due to being immediately wrapped again. *)
334	let (`If_this_is_used_it_should_have_a_comment_justifying_it x) =
335	Signed_command.to_valid_unsafe x
336	in
337	Signed_command x )	960✔
338
339	let filter_by_participant (commands : t list) public_key =
340	List.filter commands ~f:(fun user_command ->	×
341	Core_kernel.List.exists	×
342	(accounts_referenced user_command)	×
343	~f:
344	(Fn.compose	×
345	(Signature_lib.Public_key.Compressed.equal public_key)	×
346	Account_id.public_key ) )
347
348	(* A metric on user commands that should correspond roughly to resource costs
349	for validation/application *)
350	let weight : t -> int = function
351	\| Signed_command signed_command ->	×
352	Signed_command.payload signed_command \|> Signed_command_payload.weight	×
353	\| Zkapp_command zkapp_command ->	×
354	Zkapp_command.weight zkapp_command
355
356	(* Fee per weight unit *)
357	let fee_per_wu (user_command : Stable.Latest.t) : Currency.Fee_rate.t =
358	(TODO: return Or_error)
359	Currency.Fee_rate.make_exn (fee user_command) (weight user_command)	×
360
361	let valid_size ~genesis_constants = function
362	\| Signed_command _ ->	×
363	Ok ()
364	\| Zkapp_command zkapp_command ->	×
365	Zkapp_command.valid_size ~genesis_constants zkapp_command
366
367	let has_zero_vesting_period = function
368	\| Signed_command _ ->	×
369	false
370	\| Zkapp_command p ->	×
371	Zkapp_command.has_zero_vesting_period p
372
373	let is_incompatible_version = function
374	\| Signed_command _ ->	×
375	false
376	\| Zkapp_command p ->	×
377	Zkapp_command.is_incompatible_version p
378
379	let has_invalid_call_forest : t -> bool = function
380	\| Signed_command _ ->	×
381	false
382	\| Zkapp_command cmd ->	×
383	List.exists cmd.account_updates ~f:(fun call_forest ->
384	let root_may_use_token =	×
385	call_forest.elt.account_update.body.may_use_token
386	in
387	not (Account_update.May_use_token.equal root_may_use_token No) )	×
388
389	module Well_formedness_error = struct
390	(* syntactically-evident errors such that a user command can never succeed *)
391	type t =	×
392	\| Insufficient_fee	×
393	\| Zero_vesting_period	×
394	\| Zkapp_too_big of (Error.t[@to_yojson Error_json.error_to_yojson])	×
395	\| Zkapp_invalid_call_forest	×
396	\| Transaction_type_disabled	×
397	\| Incompatible_version	×
398	[@@deriving compare, to_yojson, sexp]
399
400	let to_string = function
401	\| Insufficient_fee ->	×
402	"Insufficient fee"
403	\| Zero_vesting_period ->	×
404	"Zero vesting period"
405	\| Zkapp_too_big err ->	×
406	sprintf "Zkapp too big (%s)" (Error.to_string_hum err)	×
407	\| Zkapp_invalid_call_forest ->	×
408	"Zkapp has an invalid call forest (root account updates may not use \
409	tokens)"
410	\| Incompatible_version ->	×
411	"Set verification-key permission is updated to an incompatible version"
412	\| Transaction_type_disabled ->	×
413	"Transaction type disabled"
414	end
415
416	let check_well_formedness ~(genesis_constants : Genesis_constants.t) t :
417	(unit, Well_formedness_error.t list) result =
418	let preds =	×
419	let open Well_formedness_error in
420	[ ( has_insufficient_fee
421	~minimum_fee:genesis_constants.minimum_user_command_fee
422	, Insufficient_fee )
423	; (has_zero_vesting_period, Zero_vesting_period)
424	; (is_incompatible_version, Incompatible_version)
425	; (is_disabled, Transaction_type_disabled)
426	; (has_invalid_call_forest, Zkapp_invalid_call_forest)
427	]
428	in
429	let errs0 =
430	List.fold preds ~init:[] ~f:(fun acc (f, err) ->
431	if f t then err :: acc else acc )	×
432	in
433	let errs =	×
434	match valid_size ~genesis_constants t with
435	\| Ok () ->	×
436	errs0
437	\| Error err ->	×
438	Zkapp_too_big err :: errs0
439	in
440	if List.is_empty errs then Ok () else Error errs	×
441
442	type fee_payer_summary_t = Signature.t * Account.key * int	×
443	[@@deriving yojson, hash]	×
444
445	let fee_payer_summary : t -> fee_payer_summary_t = function
446	\| Zkapp_command cmd ->	×
447	let fp = Zkapp_command.fee_payer_account_update cmd in
448	let open Account_update in	×
449	let body = Fee_payer.body fp in
450	( Fee_payer.authorization fp	×
451	, Body.Fee_payer.public_key body	×
452	, Body.Fee_payer.nonce body \|> Unsigned.UInt32.to_int )	×
453	\| Signed_command cmd ->	×
454	Signed_command.
455	(signature cmd, fee_payer_pk cmd, nonce cmd \|> Unsigned.UInt32.to_int)	×
456
457	let fee_payer_summary_json =
458	Fn.compose fee_payer_summary_t_to_yojson fee_payer_summary	25✔
459
460	let fee_payer_summary_string =
461	let to_string (signature, pk, nonce) =
462	sprintf "%s (%s %d)"	×
463	(Signature.to_base58_check signature)	×
464	(Signature_lib.Public_key.Compressed.to_base58_check pk)	×
465	nonce
466	in
467	Fn.compose to_string fee_payer_summary	25✔

MinaProtocol / mina / 159

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