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mtyping.ml
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mtyping.ml
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(* -------------------------------------------------------------------- *)
open Tools
module M = Michelson
let pp_type = Printer_michelson.pp_type
(* -------------------------------------------------------------------- *)
module Env : sig
type t
val create : M.michelson -> t
module Contract : sig
val get_parameter : t -> M.type_
val get_storage : t -> M.type_
val get_code : t -> M.code
end
end = struct
type t = {
env_contract : M.michelson
}
let create (contract : M.michelson) = {
env_contract = contract
}
module Contract = struct
let get_parameter (env : t) : M.type_ =
env.env_contract.parameter
let get_storage (env : t) : M.type_ =
env.env_contract.storage
let get_code (env : t) : M.code =
env.env_contract.code
end
end
type env = Env.t
(* -------------------------------------------------------------------- *)
type stack1 = M.type_ [@@deriving show {with_path = false}]
type arg1 = [
| `Int of int
| `Code of M.code list
| `Type of M.type_
]
type stack = stack1 list [@@deriving show {with_path = false}]
type args = arg1 list
type s_Int = SInt
type s_Code = SCode
type s_Type = SType
type _ targ1 =
| TInt : int -> s_Int targ1
| TCode : M.code list -> s_Code targ1
| TType : M.type_ -> s_Type targ1
(* -------------------------------------------------------------------- *)
exception MichelsonTypingError
(* -------------------------------------------------------------------- *)
module Ty : sig
val check_eq : stack1 -> stack1 -> unit
val check_address : stack1 -> unit
val check_bls12_381_g1 : stack1 -> unit
val check_bls12_381_g2 : stack1 -> unit
val check_bool : stack1 -> unit
val check_bytes : stack1 -> unit
val check_contract : stack1 -> stack1
val check_int : stack1 -> unit
val check_key : stack1 -> unit
val check_key_hash : stack1 -> unit
val check_lambda : stack1 -> stack1 * stack1
val check_list : stack1 -> stack1
val check_mutez : stack1 -> unit
val check_nat : stack1 -> unit
val check_option : stack1 -> stack1
val check_or : stack1 -> stack1 * stack1
val check_pair : stack1 -> stack1 * stack1
val check_set : stack1 -> stack1
val check_sapling_tx : stack1 -> int
val check_sapling_st : stack1 -> int
val check_signature : stack1 -> unit
val check_ticket : stack1 -> stack1
end = struct
let check_eq (ty1 : stack1) (ty2 : stack1) =
if not (M.cmp_type (M.normalize_type ty1) (M.normalize_type ty2)) then
raise MichelsonTypingError
let check_address (ty : stack1) =
match ty.node with
| M.Taddress -> ()
| _ -> raise MichelsonTypingError
let check_bls12_381_g1 (ty : stack1) =
match ty.node with
| M.Tbls12_381_g1 -> ()
| _ -> raise MichelsonTypingError
let check_bls12_381_g2 (ty : stack1) =
match ty.node with
| M.Tbls12_381_g2 -> ()
| _ -> raise MichelsonTypingError
let check_bool (ty : stack1) =
match ty.node with
| M.Tbool -> ()
| _ -> raise MichelsonTypingError
let check_bytes (ty : stack1) =
match ty.node with
| M.Tbytes -> ()
| _ -> raise MichelsonTypingError
let check_contract (ty : stack1) =
match ty.node with
| M.Tcontract ty -> ty
| _ -> raise MichelsonTypingError
let check_int (ty : stack1) =
match ty.node with
| M.Tint -> ()
| _ -> raise MichelsonTypingError
let check_key (ty : stack1) =
match ty.node with
| M.Tkey -> ()
| _ -> raise MichelsonTypingError
let check_key_hash (ty : stack1) =
match ty.node with
| M.Tkey_hash -> ()
| _ -> raise MichelsonTypingError
let check_lambda (ty : stack1) =
match ty.node with
| M.Tlambda (dom, codom) -> (dom, codom)
| _ -> raise MichelsonTypingError
let check_list (ty : stack1) =
match ty.node with
| M.Tlist ty -> ty
| _ -> raise MichelsonTypingError
let check_mutez (ty : stack1) =
match ty.node with
| M.Tmutez -> ()
| _ -> raise MichelsonTypingError
let check_nat (ty : stack1) =
match ty.node with
| M.Tnat -> ()
| _ -> raise MichelsonTypingError
let check_or (ty : stack1) =
match ty.node with
| M.Tor (tyl, tyr) -> (tyl, tyr)
| _ -> raise MichelsonTypingError
let check_option (ty : stack1) =
match ty.node with
| M.Toption ty -> ty
| _ -> raise MichelsonTypingError
let check_pair (ty : stack1) =
match ty.node with
| M.Tpair [ty1; ty2] -> (ty1, ty2)
| M.Tpair (_::[]) -> raise MichelsonTypingError
| M.Tpair (ty1::l) -> (ty1, M.tpair l)
| _ -> raise MichelsonTypingError
let check_sapling_tx (ty : stack1) =
match ty.node with
| M.Tsapling_transaction ms -> ms
| _ -> raise MichelsonTypingError
let check_sapling_st (ty : stack1) =
match ty.node with
| M.Tsapling_state ms -> ms
| _ -> raise MichelsonTypingError
let check_set (ty : stack1) =
match ty.node with
| M.Tset ty -> ty
| _ -> raise MichelsonTypingError
let check_signature (ty : stack1) =
match ty.node with
| M.Tsignature -> ()
| _ -> raise MichelsonTypingError
let check_ticket (ty : stack1) =
match ty.node with
| M.Tticket ty -> ty
| _ -> raise MichelsonTypingError
end
(* -------------------------------------------------------------------- *)
module Stack : sig
val pop : stack -> stack1 * stack
val pop2 : stack -> (stack1 * stack1) * stack
val pop3 : stack -> (stack1 * stack1 * stack1) * stack
val merge : stack option -> stack option -> stack option
val split : int -> stack -> stack * stack
end = struct
let pop (stack : stack) =
match stack with
| ty :: stack -> (ty, stack)
| _ -> assert false
let pop2 (stack : stack) =
match stack with
| ty1 :: ty2 :: stack -> ((ty1, ty2), stack)
| _ -> assert false
let pop3 (stack : stack) =
match stack with
| ty1 :: ty2 :: ty3 :: stack -> ((ty1, ty2, ty3), stack)
| _ -> assert false
let merge (stk1 : stack option) (stk2 : stack option) =
match stk1, stk2 with
| None, None ->
None
| Some stk1, None ->
Some stk1
| None, Some stk2 ->
Some stk2
| Some stk1, Some stk2 ->
if List.length stk1 <> List.length stk2 then
raise MichelsonTypingError;
let () = List.iter2 Ty.check_eq stk1 stk2 in
Some stk2
let split n stack =
if List.length stack < n then
raise MichelsonTypingError;
List.split_at n stack
end
(* -------------------------------------------------------------------- *)
let rec op_ABS (stack : stack) =
let ty, stack = Stack.pop stack in
let _ = Ty.check_int ty in
Some (M.tnat :: stack)
(* -------------------------------------------------------------------- *)
and op_ADD (stack : stack) =
let (ty1, ty2), stack = Stack.pop2 stack in
let aout =
match ty1.node, ty2.node with
| M.Tnat, M.Tnat -> M.Tnat
| M.Tnat, M.Tint -> M.Tint
| M.Tint, M.Tnat -> M.Tint
| M.Tint, M.Tint -> M.Tint
| M.Tint, M.Ttimestamp -> M.Ttimestamp
| M.Ttimestamp, M.Tint -> M.Ttimestamp
| M.Tmutez, M.Tmutez -> M.Tmutez
| M.Tbls12_381_g1, M.Tbls12_381_g1 -> M.Tbls12_381_g1
| M.Tbls12_381_g2, M.Tbls12_381_g2 -> M.Tbls12_381_g2
| M.Tbls12_381_fr, M.Tbls12_381_fr -> M.Tbls12_381_fr
| _, _ -> raise MichelsonTypingError in
Some (M.mk_type aout :: stack)
(* -------------------------------------------------------------------- *)
and op_ADDRESS (stack : stack) =
let cty, stack = Stack.pop stack in
let _ = Ty.check_contract cty in
Some (M.taddress :: stack)
(* -------------------------------------------------------------------- *)
and op_AMOUNT (stack : stack) =
Some (M.tmutez :: stack)
(* -------------------------------------------------------------------- *)
and op_AND (stack : stack) =
let (ty1, ty2), stack = Stack.pop2 stack in
let aout =
match ty1.node, ty2.node with
| M.Tbool , M.Tbool -> M.Tbool
| M.Tbytes, M.Tbytes -> M.Tbytes
| M.Tnat , M.Tnat -> M.Tnat
| M.Tint , M.Tnat -> M.Tnat
| _, _ -> raise MichelsonTypingError in
Some (M.mk_type aout :: stack)
(* -------------------------------------------------------------------- *)
and op_APPLY (stack : stack) =
let (ty, lty), stack = Stack.pop2 stack in
let dom, codom = Ty.check_lambda lty in
let ty1, ty2 = Ty.check_pair dom in
let () = Ty.check_eq ty ty1 in
Some (M.mk_type (M.Tlambda (ty2, codom)) :: stack)
(* -------------------------------------------------------------------- *)
and op_BALANCE (stack : stack) =
Some (M.tmutez :: stack)
(* -------------------------------------------------------------------- *)
and op_BLAKE2B (stack : stack) =
let ty, stack = Stack.pop stack in
let () = Ty.check_bytes ty in
Some (M.tbytes :: stack)
(* -------------------------------------------------------------------- *)
and op_CAR (stack : stack) =
let value, stack = Stack.pop stack in
let ty1, _ty2 = Ty.check_pair value in
Some (ty1 :: stack)
(* -------------------------------------------------------------------- *)
and op_CDR (stack : stack) =
let value, stack = Stack.pop stack in
let _ty1, ty2 = Ty.check_pair value in
Some (ty2 :: stack)
(* -------------------------------------------------------------------- *)
and op_CHAIN_ID (stack : stack) =
Some (M.tchain_id :: stack)
(* -------------------------------------------------------------------- *)
and op_CHECK_SIGNATURE (stack : stack) =
let (kty, sty, bty), stack = Stack.pop3 stack in
let () = Ty.check_key kty in
let () = Ty.check_signature sty in
let () = Ty.check_bytes bty in
Some (M.tbool :: stack)
(* -------------------------------------------------------------------- *)
and op_COMPARE (stack : stack) =
let (ty1, ty2), stack = Stack.pop2 stack in
let () = Ty.check_eq ty1 ty2 in
Some (M.tint :: stack)
(* -------------------------------------------------------------------- *)
and op_CONCAT (stack : stack) =
let ty, stack = Stack.pop stack in
let aout, stack =
match ty.node with
| M.Tlist ({ node = (M.Tstring | M.Tbytes) as aout }) ->
aout, stack
| (M.Tstring | M.Tbytes) as aout ->
let ty2, stack = Stack.pop stack in
let () = Ty.check_eq ty ty2 in
aout, stack
| _ -> raise MichelsonTypingError in
Some (M.mk_type aout :: stack)
(* -------------------------------------------------------------------- *)
and op_CONS (stack : stack) =
let (ty1, ty2), stack = Stack.pop2 stack in
let ty2 = Ty.check_list ty2 in
let () = Ty.check_eq ty1 ty2 in
Some (M.tlist ty1 :: stack)
(* -------------------------------------------------------------------- *)
and op_CONTRACT (stack : stack) (cty : stack1) =
let aty, stack = Stack.pop stack in
let () = Ty.check_address aty in
Some (M.toption (M.tcontract cty) :: stack)
(* -------------------------------------------------------------------- *)
and op_CREATE_CONTRACT (stack : stack) =
let (dty, aty), stack = Stack.pop2 stack in
let () = Ty.check_eq (M.toption M.tkey_hash) dty in
let () = Ty.check_mutez aty in
Some (M.toperation :: M.taddress :: stack)
(* -------------------------------------------------------------------- *)
and op_DIG (stack : stack) (n : int) =
let pre, post = Stack.split n stack in
let x, post = Stack.pop post in
Some (x :: (pre @ post))
(* -------------------------------------------------------------------- *)
and op_DIP (env : env) (stack : stack) (n : int) (code : M.code list) =
let pre, stack = Stack.split n stack in
match tycheck env stack (M.cseq code) with
| None -> None
| Some substack -> Some (pre @ substack)
(* -------------------------------------------------------------------- *)
and op_DROP (stack : stack) (n : int) =
let _, stack = Stack.split n stack in
Some stack
(* -------------------------------------------------------------------- *)
and op_DUG (stack : stack) (n : int) =
let x, stack = Stack.pop stack in
let pre, post = Stack.split n stack in
Some (pre @ x :: post)
(* -------------------------------------------------------------------- *)
and op_DUP (stack : stack) =
let x, stack = Stack.pop stack in
Some (x :: x :: stack)
(* -------------------------------------------------------------------- *)
and op_DUP_N (stack : stack) (n : int) =
if n < 1 then raise MichelsonTypingError;
let pre, stack = Stack.split (n-1) stack in
let x, stack = Stack.pop stack in
Some (x :: pre @ x :: stack)
(* -------------------------------------------------------------------- *)
and op_EDIV (stack : stack) =
let (ty1, ty2), stack = Stack.pop2 stack in
let aout1, aout2 =
match ty1.node, ty2.node with
| M.Tnat, M.Tnat -> M.Tnat, M.Tnat
| M.Tnat, M.Tint -> M.Tint, M.Tnat
| M.Tint, M.Tnat -> M.Tint, M.Tnat
| M.Tint, M.Tint -> M.Tint, M.Tnat
| M.Tmutez, M.Tnat -> M.Tmutez, M.Tmutez
| M.Tmutez, M.Tmutez -> M.Tnat , M.Tmutez
| _, _ -> raise MichelsonTypingError in
Some (M.toption (M.tpair [(M.mk_type aout1); (M.mk_type aout2)]) :: stack)
(* -------------------------------------------------------------------- *)
and op_EMIT (stack : stack) =
let _ty, stack = Stack.pop stack in (* TODO: check if type _ty is correct *)
Some (M.toperation :: stack)
(* -------------------------------------------------------------------- *)
and op_EMPTY_BIG_MAP (stack : stack) (kty : stack1) (vty : stack1) =
Some (M.mk_type (M.Tbig_map (kty, vty)) :: stack)
(* -------------------------------------------------------------------- *)
and op_EMPTY_MAP (stack : stack) (kty : stack1) (vty : stack1) =
Some (M.mk_type (M.Tmap (kty, vty)) :: stack)
(* -------------------------------------------------------------------- *)
and op_EQ (stack : stack) =
let ty, stack = Stack.pop stack in
let () = Ty.check_int ty in
Some (M.tbool :: stack)
(* -------------------------------------------------------------------- *)
and op_EXEC (stack : stack) =
let (ty, lty), stack = Stack.pop2 stack in
let dom, codom = Ty.check_lambda lty in
let () = Ty.check_eq ty dom in
Some (codom :: stack)
(* -------------------------------------------------------------------- *)
and op_FAILWITH (stack : stack) =
let _ty, _stack = Stack.pop stack in
None
(* -------------------------------------------------------------------- *)
and op_GE (stack : stack) =
let ty, stack = Stack.pop stack in
let () = Ty.check_int ty in
Some (M.tbool :: stack)
(* -------------------------------------------------------------------- *)
and op_GET (stack : stack) =
let (kty, mty), stack = Stack.pop2 stack in
let kty', vty =
match mty.node with
| M.Tmap (kty, vty) -> (kty, vty)
| M.Tbig_map (kty, vty) -> (kty, vty)
| _ -> raise MichelsonTypingError in
let () = Ty.check_eq kty kty' in
Some (M.toption vty :: stack)
(* -------------------------------------------------------------------- *)
and op_GET_N (stack : stack) (n : int) =
let ty, stack = Stack.pop stack in
let rec unpairR n ty =
if n <= 0
then ty
else unpairR (n-1) (snd (Ty.check_pair ty)) in
let ty = unpairR (n / 2) ty in
let ty = if n mod 2 <> 0 then fst (Ty.check_pair ty) else ty in
Some (ty :: stack)
(* -------------------------------------------------------------------- *)
and op_GET_AND_UPDATE (stack : stack) =
let (kty, vty, cty), stack = Stack.pop3 stack in
begin
match kty.node, vty.node, cty.node with
| _, M.Toption ovty, (M.Tmap (kty', vty') | M.Tbig_map (kty', vty')) ->
Ty.check_eq kty kty';
Ty.check_eq ovty vty'
| _ -> raise MichelsonTypingError
end;
Some (vty :: cty :: stack)
(* -------------------------------------------------------------------- *)
and op_GT (stack : stack) =
let ty, stack = Stack.pop stack in
let () = Ty.check_int ty in
Some (M.tbool :: stack)
(* -------------------------------------------------------------------- *)
and op_HASH_KEY (stack : stack) =
let ty, stack = Stack.pop stack in
let () = Ty.check_key ty in
Some (M.tkey_hash :: stack)
(* -------------------------------------------------------------------- *)
and op_IF (env : env) (stack : stack) (ct : M.code list) (ce : M.code list) =
let cond, stack = Stack.pop stack in
Ty.check_bool cond;
let stt = tycheck env stack (M.cseq ct) in
let ste = tycheck env stack (M.cseq ce) in
Stack.merge stt ste
(* -------------------------------------------------------------------- *)
and op_IF_CONS (env : env) (stack : stack) (ccons : M.code list) (cnil : M.code list) =
let cond, stack = Stack.pop stack in
let ty = Ty.check_list cond in
let scons = tycheck env (ty :: M.tlist ty :: stack) (M.cseq ccons) in
let snil = tycheck env stack (M.cseq cnil) in
Stack.merge scons snil
(* -------------------------------------------------------------------- *)
and op_IF_LEFT (env : env) (stack : stack) (cl : M.code list) (cr : M.code list) =
let cond, stack = Stack.pop stack in
let tyl, tyr = Ty.check_or cond in
let sl = tycheck env (tyl :: stack) (M.cseq cl) in
let sr = tycheck env (tyr :: stack) (M.cseq cr) in
Stack.merge sl sr
(* -------------------------------------------------------------------- *)
and op_IF_NONE (env : env) (stack : stack) (cnone : M.code list) (csome : M.code list) =
let cond, stack = Stack.pop stack in
let ty = Ty.check_option cond in
let snone = tycheck env stack (M.cseq cnone) in
let ssome = tycheck env (ty :: stack) (M.cseq csome) in
Stack.merge snone ssome
(* -------------------------------------------------------------------- *)
and op_IMPLICIT_ACCOUNT (stack : stack) =
let ty, stack = Stack.pop stack in
let () = Ty.check_key_hash ty in
Some (M.tcontract M.tunit :: stack)
(* -------------------------------------------------------------------- *)
and op_NAT (stack : stack) =
let ty, stack = Stack.pop stack in
begin match ty.node with
| M.Tbytes -> ()
| _ -> raise MichelsonTypingError end;
Some (M.tnat :: stack)
(* -------------------------------------------------------------------- *)
and op_INT (stack : stack) =
let ty, stack = Stack.pop stack in
begin match ty.node with
| M.Tbytes | M.Tnat | M.Tbls12_381_fr -> ()
| _ -> raise MichelsonTypingError end;
Some (M.tint :: stack)
(* -------------------------------------------------------------------- *)
and op_BYTES (stack : stack) =
let ty, stack = Stack.pop stack in
begin match ty.node with
| M.Tnat | M.Tint -> ()
| _ -> raise MichelsonTypingError end;
Some (M.tbytes :: stack)
(* -------------------------------------------------------------------- *)
and op_ISNAT (stack : stack) =
let ty, stack = Stack.pop stack in
let () = Ty.check_int ty in
Some (M.toption M.tnat :: stack)
(* -------------------------------------------------------------------- *)
and op_ITER (env : env) (stack : stack) (code : M.code list) =
let ty, stack = Stack.pop stack in
let inty =
match ty.node with
| M.Tlist ty ->
ty
| M.Tset kty ->
kty
| M.Tmap (kty, vty) ->
M.tpair [kty; vty]
| _ -> raise MichelsonTypingError in
let substack = tycheck env (inty :: stack) (M.cseq code) in
Stack.merge (Some stack) substack
(* -------------------------------------------------------------------- *)
and op_JOIN_TICKETS (stack : stack) =
let ty, stack = Stack.pop stack in
let ty1, ty2 = Ty.check_pair ty in
let ty1 = Ty.check_ticket ty1 in
let ty2 = Ty.check_ticket ty2 in
let () = Ty.check_eq ty1 ty2 in
Some (M.toption (M.tticket ty1) :: stack)
(* -------------------------------------------------------------------- *)
and op_KECCAK (stack : stack) =
let ty, stack = Stack.pop stack in
let () = Ty.check_bytes ty in
Some (M.tbytes :: stack)
(* -------------------------------------------------------------------- *)
and op_LAMBDA
(env : env) (stack : stack) (dom : stack1) (codom : stack1) (code : M.code list)
=
let substack = tycheck env [dom] (M.cseq code) in
begin match substack with
| Some [codom'] -> Ty.check_eq codom codom'
| _ -> raise MichelsonTypingError end;
Some (M.mk_type (M.Tlambda (dom, codom)) :: stack)
(* -------------------------------------------------------------------- *)
and op_LE (stack : stack) =
let ty, stack = Stack.pop stack in
let () = Ty.check_int ty in
Some (M.tbool :: stack)
(* -------------------------------------------------------------------- *)
and op_LT (stack : stack) =
let ty, stack = Stack.pop stack in
let () = Ty.check_int ty in
Some (M.tbool :: stack)
(* -------------------------------------------------------------------- *)
and op_LEFT (stack : stack) (tyr : stack1) =
let tyl, stack = Stack.pop stack in
Some (M.tor tyl tyr :: stack)
(* -------------------------------------------------------------------- *)
and op_LEVEL (stack : stack) =
Some (M.tnat :: stack)
(* -------------------------------------------------------------------- *)
and op_MIN_BLOCK_TIME (stack : stack) =
Some (M.tnat :: stack)
(* -------------------------------------------------------------------- *)
and op_LOOP (env : env) (stack : stack) (code : M.code list) =
let cond, stack = Stack.pop stack in
let () = Ty.check_bool cond in
let substack = tycheck env stack (M.cseq code) in
let substack =
match substack with
| None -> None
| Some substack ->
let cond2, substack = Stack.pop substack in
let () = Ty.check_bool cond2 in
Some substack in
Stack.merge (Some stack) substack
(* -------------------------------------------------------------------- *)
and op_LOOP_LEFT (env : env) (stack : stack) (code : M.code list) =
let cond, stack = Stack.pop stack in
let ty1, ty2 = Ty.check_or cond in
let substack = tycheck env (ty1 :: stack) (M.cseq code) in
let substack =
match substack with
| None -> None
| Some substack ->
let cond2, substack = Stack.pop substack in
let () = Ty.check_eq cond cond2 in
Some (ty2 :: substack) in
Stack.merge (Some (ty2 :: stack)) substack
(* -------------------------------------------------------------------- *)
and op_LSL (stack : stack) =
let (ty1, ty2), stack = Stack.pop2 stack in
let aout =
match ty1.node, ty2.node with
| M.Tnat, M.Tnat -> M.Tnat
| M.Tbytes, M.Tnat -> M.Tbytes
| _ -> raise MichelsonTypingError in
Some (M.mk_type aout :: stack)
(* -------------------------------------------------------------------- *)
and op_LSR (stack : stack) =
let (ty1, ty2), stack = Stack.pop2 stack in
let aout =
match ty1.node, ty2.node with
| M.Tnat, M.Tnat -> M.Tnat
| M.Tbytes, M.Tnat -> M.Tbytes
| _ -> raise MichelsonTypingError in
Some (M.mk_type aout :: stack)
(* -------------------------------------------------------------------- *)
and op_MAP (env : env) (stack : stack) (code : M.code list) =
let ty, stack = Stack.pop stack in
let inty, mkaout =
match ty.node with
| M.Tlist ty ->
(ty, M.tlist)
| M.Tmap (kty, vty) ->
(M.tpair [kty; vty], (M.tmap kty))
| M.Toption ty ->
(ty, M.toption)
| _ -> raise MichelsonTypingError in
let substack = tycheck env (inty :: stack) (M.cseq code) in
let outty, substack =
match substack with
| None -> raise MichelsonTypingError
| Some substack -> Stack.pop substack in
Stack.merge
(Some (mkaout outty :: stack ))
(Some (mkaout outty :: substack))
(* -------------------------------------------------------------------- *)
and op_MEM (stack : stack) =
let (kty, mty), stack = Stack.pop2 stack in
let kty' =
match mty.node with
| M.Tmap (kty, _) -> kty
| M.Tbig_map (kty, _) -> kty
| M.Tset kty -> kty
| _ -> raise MichelsonTypingError in
let () = Ty.check_eq kty kty' in
Some (M.tbool :: stack)
(* -------------------------------------------------------------------- *)
and op_MUL (stack : stack) =
let (ty1, ty2), stack = Stack.pop2 stack in
let aout =
match ty1.node, ty2.node with
| M.Tnat, M.Tnat -> M.Tnat
| M.Tnat, M.Tint -> M.Tint
| M.Tint, M.Tnat -> M.Tint
| M.Tint, M.Tint -> M.Tint
| M.Tmutez, M.Tnat -> M.Tmutez
| M.Tnat, M.Tmutez -> M.Tmutez
| M.Tbls12_381_g1, M.Tbls12_381_fr -> M.Tbls12_381_g1
| M.Tbls12_381_g2, M.Tbls12_381_fr -> M.Tbls12_381_g2
| M.Tbls12_381_fr, M.Tbls12_381_fr -> M.Tbls12_381_fr
| M.Tnat, M.Tbls12_381_fr -> M.Tbls12_381_fr
| M.Tint, M.Tbls12_381_fr -> M.Tbls12_381_fr
| M.Tbls12_381_fr, M.Tnat -> M.Tbls12_381_fr
| M.Tbls12_381_fr, M.Tint -> M.Tbls12_381_fr
| _, _ -> raise MichelsonTypingError in
Some (M.mk_type aout :: stack)
and op_NEVER (stack : stack) =
let ty, _stack = Stack.pop stack in
Ty.check_eq ty M.tnever;
None
(* -------------------------------------------------------------------- *)
and op_NIL (stack : stack) (ty : stack1) =
Some (M.tlist ty :: stack)
(* -------------------------------------------------------------------- *)
and op_NEG (stack : stack) =
let ty, stack = Stack.pop stack in
let aout =
match ty.node with
| M.Tnat -> M.Tint
| M.Tint -> M.Tint
| M.Tbls12_381_g1 -> M.Tbls12_381_g1
| M.Tbls12_381_g2 -> M.Tbls12_381_g2
| M.Tbls12_381_fr -> M.Tbls12_381_fr
| _ -> raise MichelsonTypingError in
Some (M.mk_type aout :: stack)
(* -------------------------------------------------------------------- *)
and op_NEQ (stack : stack) =
let ty, stack = Stack.pop stack in
let () = Ty.check_int ty in
Some (M.tbool :: stack)
(* -------------------------------------------------------------------- *)
and op_NONE (stack : stack) (ty : stack1) =
Some (M.toption ty :: stack)
(* -------------------------------------------------------------------- *)
and op_NOT (stack : stack) =
let ty, stack = Stack.pop stack in
let aout =
match ty.node with
| M.Tbool -> M.Tbool
| M.Tbytes -> M.Tbytes
| M.Tnat -> M.Tnat
| M.Tint -> M.Tint
| _ -> raise MichelsonTypingError in
Some (M.mk_type aout :: stack)
(* -------------------------------------------------------------------- *)
and op_NOW (stack : stack) =
Some (M.ttimestamp :: stack)
(* -------------------------------------------------------------------- *)
and op_OR (stack : stack) =
let (ty1, ty2), stack = Stack.pop2 stack in
let aout =
match ty1.node, ty2.node with
| M.Tbool , M.Tbool -> M.Tbool
| M.Tbytes, M.Tbytes -> M.Tbytes
| M.Tnat , M.Tnat -> M.Tnat
| _, _ -> raise MichelsonTypingError in
Some (M.mk_type aout :: stack)
and op_OPEN_CHEST (stack : stack) =
let (ty1, ty2, ty3), stack = Stack.pop3 stack in
begin
match ty1.node, ty2.node, ty3.node with
| M.Tchest_key, M.Tchest, M.Tnat -> ()
| _, _, _ -> raise MichelsonTypingError
end;
Some (M.tor M.tbytes M.tbool :: stack)
(* -------------------------------------------------------------------- *)
and op_PACK (stack : stack) =
let _ty, stack = Stack.pop stack in
Some (M.tbytes :: stack)
(* -------------------------------------------------------------------- *)
and op_PAIR (stack : stack) =
let (ty1, ty2), stack = Stack.pop2 stack in
Some (M.tpair [ty1; ty2] :: stack)
(* -------------------------------------------------------------------- *)
and op_PAIR_N (stack : stack) (n : int) =
if n <= 1 then raise MichelsonTypingError;
let tys, stack = Stack.split n stack in
let aout =
match List.rev tys with
| [] -> assert false
| ty :: tys -> List.fold_right (fun x accu -> M.tpair [x; accu]) (List.rev tys) ty in
Some (aout :: stack)
(* -------------------------------------------------------------------- *)
and op_PAIRING_CHECK (stack : stack) =
let ty, stack = Stack.pop stack in
let ty1, ty2 = ty |> Ty.check_list |> Ty.check_pair in
let () = Ty.check_bls12_381_g1 ty1 in
let () = Ty.check_bls12_381_g2 ty2 in
Some (M.tbool :: stack)
(* -------------------------------------------------------------------- *)
and op_PUSH (stack : stack) ((ty, _): stack1 * M.data) =
Some (ty :: stack)
(* -------------------------------------------------------------------- *)
and op_READ_TICKET (stack : stack) =
let ty, stack = Stack.pop stack in
let ty = Ty.check_ticket ty in
Some (
M.tpair [M.taddress; (M.tpair [ty; M.tnat])]
:: M.tticket ty :: stack)
(* -------------------------------------------------------------------- *)
and op_RIGHT (stack : stack) (tyl : stack1) =
let tyr, stack = Stack.pop stack in
Some (M.tor tyl tyr :: stack)
(* -------------------------------------------------------------------- *)
and op_SAPLING_EMPTY_STATE (stack : stack) (ms : int) =
Some (M.mk_type (M.Tsapling_state ms) :: stack)
(* -------------------------------------------------------------------- *)
and op_SAPLING_VERIFY_UPDATE (stack : stack) =
let (tx, st), stack = Stack.pop2 stack in
let ms1 = Ty.check_sapling_tx tx in
let ms2 = Ty.check_sapling_st st in
if ms1 <> ms2 then
raise MichelsonTypingError;
Some (M.toption (M.tpair [M.tbytes; M.tint; st]) :: stack)
(* -------------------------------------------------------------------- *)
and op_SELF (env : env) (stack : stack) annot =
let tparameter = Env.Contract.get_parameter env in
let aout =
match annot with
| None
| Some "%default" -> tparameter
| Some annot -> begin
match M.seek_type_from_annot annot tparameter with
| Some ty -> ty
| None -> raise MichelsonTypingError
end
in
Some (M.tcontract aout :: stack)
(* -------------------------------------------------------------------- *)
and op_SELF_ADDRESS (stack : stack) =
Some (M.taddress :: stack)
(* -------------------------------------------------------------------- *)
and op_SENDER (stack : stack) =
Some (M.taddress :: stack)
(* -------------------------------------------------------------------- *)
and op_SET (stack : stack) (ty : stack1) =
Some (M.tset ty :: stack)
(* -------------------------------------------------------------------- *)
and op_SET_DELEGATE (stack : stack) =
let ty, stack = Stack.pop stack in
let () = Ty.check_key_hash (Ty.check_option ty) in
Some (M.toperation :: stack)
(* -------------------------------------------------------------------- *)
and op_SHA256 (stack : stack) =
let ty, stack = Stack.pop stack in
let () = Ty.check_bytes ty in
Some (M.tbytes :: stack)
(* -------------------------------------------------------------------- *)
and op_SHA512 (stack : stack) =
let ty, stack = Stack.pop stack in
let () = Ty.check_bytes ty in
Some (M.tbytes :: stack)
(* -------------------------------------------------------------------- *)
and op_SHA3 (stack : stack) =
let ty, stack = Stack.pop stack in
let () = Ty.check_bytes ty in
Some (M.tbytes :: stack)
(* -------------------------------------------------------------------- *)
and op_SIZE (stack : stack) =
let ty, stack = Stack.pop stack in
begin match ty.node with
| M.Tset _ | M.Tmap _ | M.Tlist _ | M.Tstring | M.Tbytes -> ()
| _ -> raise MichelsonTypingError end;
Some (M.tnat :: stack)
(* -------------------------------------------------------------------- *)
and op_SLICE (stack : stack) =
let (i1, i2, ty), stack = Stack.pop3 stack in
let () = Ty.check_nat i1 in
let () = Ty.check_nat i2 in
begin match ty.node with
| M.Tstring | M.Tbytes -> ()
| _ -> raise MichelsonTypingError end;
Some (M.toption ty :: stack)
(* -------------------------------------------------------------------- *)
and op_SOME (stack : stack) =
let ty, stack = Stack.pop stack in
Some (M.toption ty :: stack)
(* -------------------------------------------------------------------- *)
and op_SOURCE (stack : stack) =