https://gitlab.com/nomadic-labs/mi-cho-coq
Tip revision: 416793b544257750fdc08474933a5c139fe3e056 authored by Yann Regis-Gianas on 08 March 2021, 10:11:49 UTC
Dexter2/Spec: Take care of division by zero
Dexter2/Spec: Take care of division by zero
Tip revision: 416793b
dexter_verification_ep_updateTokenPool.v
(* Open Source License *)
(* Copyright (c) 2019 Nomadic Labs. <contact@nomadic-labs.com> *)
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(* Coq *)
Require Import String.
Require Import Michocoq.macros.
Import syntax.
Import comparable.
Require Import NArith.
Require Import ZArith.
Require Import Coq.Setoids.Setoid.
Require Import Coq.micromega.Lia.
From Coq Require Import Program.Tactics.
(* Mi-Cho-Coq *)
Require Import semantics.
Require Import util.
Import error.
Require List.
(* Dexter *)
Require dexter_definition.
Require dexter_spec.
Require Import dexter_util.
Require Import dexter_spec_util.
Module Spec := dexter_spec.
Module Def := dexter_definition.
Import Def.Storage.
Import Tactics.
Require Import contract_semantics.
(* It's better not to unfold compare in this proof,
* this makes it easier to use util.eqb_eq.
*)
Opaque N.mul.
Opaque N.add.
Opaque Z.modulo.
Opaque compare.
Lemma ep_updateTokenPool_correct
(env : @proto_env dexter_definition.self_type)
(p : data dexter_definition.parameter_ep_updateTokenPool_ty)
(sto : data dexter_definition.storage_ty)
(ret_ops : Datatypes.list (data operation))
(ret_sto : data dexter_definition.storage_ty)
(fuel : Datatypes.nat) :
(* TODO: fuel may have to be adapted to suit the entrypoint *)
400 <= fuel ->
eval_precond fuel env Def.ep_updateTokenPool
(fun x => x = (ret_ops, ret_sto, tt))
(p, (sto, tt)) <->
Spec.ep_updateTokenPool env p sto ret_ops ret_sto.
Proof.
(*
* intros Hfuel.
* auto_fuel.
* destruct_sto sto
* accounts self_is_updating_token_pool freeze_baker lq_total manager token_address token_pool xtz_pool.
* rewrite (eqb_eq mutez).
* rewrite (eqb_eq address).
* intuition.
* simpl.
* subst.
*
* - destruct H3.
* intuition.
* exists x.
* simpl.
* injection H3.
* intros.
* clear H3.
* rewrite <- H4.
* rewrite <- H1.
* intuition reflexivity.
* - destruct H.
* apply H.
* - destruct H.
* apply H.
* - destruct H.
* intuition.
* subst.
* destruct self_is_updating_token_pool.
* + elimtype False. apply H. constructor.
* + reflexivity.
* - destruct H.
* intuition.
* exists x.
* subst.
* intuition reflexivity.
*)
Admitted.