Remove RevocationPeriod rule (!94)

* Remove no longer needed test_revoke_smiths_them_rejoin in duniter-wot

* Remove dead code (MembershipRevokedRecently)

* Remove empty fn prune_revoked_memberships

* Remove RevokedMembershipPrunedOn never used

* Remove RevokedMembership that is always empty

* Remove RevocationPeriod

pallets/duniter-wot/src/mock.rs

@@ -139,7 +139,6 @@ impl pallet_identity::Config for Test {
 parameter_types! {
     pub const MembershipPeriod: u64 = 8;
     pub const PendingMembershipPeriod: u64 = 3;
-    pub const RevocationPeriod: u64 = 4;
 }
 
 impl pallet_membership::Config<Instance1> for Test {
@@ -153,7 +152,6 @@ impl pallet_membership::Config<Instance1> for Test {
     type MetaData = ();
     type OnEvent = DuniterWot;
     type PendingMembershipPeriod = PendingMembershipPeriod;
-    type RevocationPeriod = RevocationPeriod;
 }
 
 // Cert
@@ -195,7 +193,6 @@ impl pallet_duniter_wot::Config<Instance2> for Test {
 parameter_types! {
     pub const SmithsMembershipPeriod: u64 = 20;
     pub const SmithsPendingMembershipPeriod: u64 = 3;
-    pub const SmithsRevocationPeriod: u64 = 4;
 }
 
 impl pallet_membership::Config<Instance2> for Test {
@@ -209,7 +206,6 @@ impl pallet_membership::Config<Instance2> for Test {
     type MetaData = ();
     type OnEvent = SmithsSubWot;
     type PendingMembershipPeriod = SmithsPendingMembershipPeriod;
-    type RevocationPeriod = SmithsRevocationPeriod;
 }
 
 // SmithsCert

pallets/duniter-wot/src/tests.rs

@@ -143,33 +143,6 @@ fn test_smith_member_cant_revoke_its_idty() {
     });
 }
 
-#[test]
-fn test_revoke_smiths_them_rejoin() {
-    new_test_ext(5, 4).execute_with(|| {
-        run_to_block(2);
-
-        // Dave shoud be able to revoke his smith membership
-        assert_ok!(SmithsMembership::revoke_membership(
-            Origin::signed(4),
-            Some(4)
-        ));
-
-        // Dave should not be able to re-request membership before the RevocationPeriod end
-        run_to_block(3);
-        assert_noop!(
-            SmithsMembership::request_membership(Origin::signed(4), ()),
-            pallet_membership::Error::<Test, crate::Instance2>::MembershipRevokedRecently
-        );
-
-        // At block #6, Dave shoud be able to request smith membership
-        run_to_block(6);
-        assert_ok!(SmithsMembership::request_membership(Origin::signed(4), ()));
-
-        // Then, Alice should be able to send a smith cert to Dave
-        assert_ok!(SmithsCert::add_cert(Origin::signed(1), 1, 4));
-    });
-}
-
 #[test]
 fn test_create_idty_ok() {
     new_test_ext(5, 2).execute_with(|| {

pallets/membership/src/lib.rs

@@ -81,9 +81,6 @@ pub mod pallet {
         #[pallet::constant]
         /// Maximum period (in number of blocks), where an identity can remain pending subscription.
         type PendingMembershipPeriod: Get<Self::BlockNumber>;
-        #[pallet::constant]
-        /// Minimum duration (in number of blocks between a revocation and a new entry request
-        type RevocationPeriod: Get<Self::BlockNumber>;
     }
 
     // GENESIS STUFF //
@@ -134,16 +131,6 @@ pub mod pallet {
     pub type PendingMembershipsExpireOn<T: Config<I>, I: 'static = ()> =
         StorageMap<_, Twox64Concat, T::BlockNumber, Vec<T::IdtyId>, ValueQuery>;
 
-    #[pallet::storage]
-    #[pallet::getter(fn revoked_membership)]
-    pub type RevokedMembership<T: Config<I>, I: 'static = ()> =
-        StorageMap<_, Twox64Concat, T::IdtyId, (), OptionQuery>;
-
-    #[pallet::storage]
-    #[pallet::getter(fn revoked_memberships_pruned_on)]
-    pub type RevokedMembershipsPrunedOn<T: Config<I>, I: 'static = ()> =
-        StorageMap<_, Twox64Concat, T::BlockNumber, Vec<T::IdtyId>, OptionQuery>;
-
     // EVENTS //
 
     #[pallet::event]
@@ -193,8 +180,6 @@ pub mod pallet {
         OriginNotAllowedToUseIdty,
         /// Membership request not found
         MembershipRequestNotFound,
-        /// Membership revoked recently
-        MembershipRevokedRecently,
     }
 
     // HOOKS //
@@ -203,9 +188,7 @@ pub mod pallet {
     impl<T: Config<I>, I: 'static> Hooks<BlockNumberFor<T>> for Pallet<T, I> {
         fn on_initialize(n: T::BlockNumber) -> Weight {
             if n > T::BlockNumber::zero() {
-                Self::expire_pending_memberships(n)
-                    + Self::expire_memberships(n)
-                    + Self::prune_revoked_memberships(n)
+                Self::expire_pending_memberships(n) + Self::expire_memberships(n)
             } else {
                 0
             }
@@ -307,7 +290,10 @@ pub mod pallet {
             let idty_id = Self::ensure_origin_and_get_idty_id(origin, maybe_idty_id)?;
 
             // Apply phase
-            let _ = Self::do_revoke_membership(idty_id);
+            if Self::remove_membership(&idty_id) {
+                Self::deposit_event(Event::MembershipRevoked(idty_id));
+                T::OnEvent::on_event(&sp_membership::Event::MembershipRevoked(idty_id));
+            }
 
             Ok(().into())
         }
@@ -340,9 +326,6 @@ pub mod pallet {
             if Membership::<T, I>::contains_key(&idty_id) {
                 return Err(Error::<T, I>::MembershipAlreadyAcquired.into());
             }
-            if RevokedMembership::<T, I>::contains_key(&idty_id) {
-                return Err(Error::<T, I>::MembershipRevokedRecently.into());
-            }
 
             let block_number = frame_system::pallet::Pallet::<T>::block_number();
             let expire_on = block_number + T::PendingMembershipPeriod::get();
@@ -354,21 +337,6 @@ pub mod pallet {
 
             Ok(().into())
         }
-        pub(super) fn do_revoke_membership(idty_id: T::IdtyId) -> Weight {
-            if Self::remove_membership(&idty_id) {
-                if T::RevocationPeriod::get() > Zero::zero() {
-                    let block_number = frame_system::pallet::Pallet::<T>::block_number();
-                    let pruned_on = block_number + T::RevocationPeriod::get();
-
-                    RevokedMembership::<T, I>::insert(idty_id, ());
-                    RevokedMembershipsPrunedOn::<T, I>::append(pruned_on, idty_id);
-                }
-                Self::deposit_event(Event::MembershipRevoked(idty_id));
-                T::OnEvent::on_event(&sp_membership::Event::MembershipRevoked(idty_id));
-            }
-
-            0
-        }
         fn ensure_origin_and_get_idty_id(
             origin: OriginFor<T>,
             maybe_idty_id: Option<T::IdtyId>,
@@ -412,17 +380,6 @@ pub mod pallet {
 
             total_weight
         }
-        fn prune_revoked_memberships(block_number: T::BlockNumber) -> Weight {
-            let total_weight: Weight = 0;
-
-            if let Some(identities_ids) = RevokedMembershipsPrunedOn::<T, I>::take(block_number) {
-                for idty_id in identities_ids {
-                    RevokedMembership::<T, I>::remove(idty_id);
-                }
-            }
-
-            total_weight
-        }
 
         pub(super) fn is_member_inner(idty_id: &T::IdtyId) -> bool {
             Membership::<T, I>::contains_key(idty_id)

pallets/membership/src/mock.rs

@@ -80,7 +80,6 @@ impl system::Config for Test {
 parameter_types! {
     pub const MembershipPeriod: BlockNumber = 5;
     pub const PendingMembershipPeriod: BlockNumber = 3;
-    pub const RevocationPeriod: BlockNumber = 4;
 }
 
 impl pallet_membership::Config for Test {
@@ -94,7 +93,6 @@ impl pallet_membership::Config for Test {
     type MetaData = ();
     type OnEvent = ();
     type PendingMembershipPeriod = PendingMembershipPeriod;
-    type RevocationPeriod = RevocationPeriod;
 }
 
 // Build genesis storage according to the mock runtime.

pallets/membership/src/tests.rs

@@ -113,14 +113,7 @@ fn test_membership_revocation() {
             RuntimeEvent::DefaultMembership(Event::MembershipRevoked(0))
         );
 
-        // Membership 0 can't request membership before the end of RevokePeriod (1 + 4 = 5)
-        run_to_block(2);
-        assert_eq!(
-            DefaultMembership::request_membership(Origin::signed(0), ()),
-            Err(Error::<Test, _>::MembershipRevokedRecently.into())
-        );
-
-        // Membership 0 can request membership after the end of RevokePeriod (1 + 4 = 5)
+        // Membership 0 can re-request membership
         run_to_block(5);
         assert_ok!(DefaultMembership::request_membership(Origin::signed(0), ()),);
         assert_eq!(

runtime/common/src/pallets_config.rs

@@ -454,7 +454,6 @@ macro_rules! pallets_config {
             type MetaData = ();
             type OnEvent = OnMembershipEventHandler<Wot, Runtime>;
             type PendingMembershipPeriod = PendingMembershipPeriod;
-            type RevocationPeriod = frame_support::traits::ConstU32<0>;
         }
 
         impl pallet_certification::Config<Instance1> for Runtime {
@@ -491,7 +490,6 @@ macro_rules! pallets_config {
             type MetaData = SmithsMembershipMetaData<opaque::SessionKeysWrapper>;
             type OnEvent = OnSmithMembershipEventHandler<SmithsSubWot, Runtime>;
             type PendingMembershipPeriod = SmithPendingMembershipPeriod;
-            type RevocationPeriod = frame_support::traits::ConstU32<0>;
         }
 
         impl pallet_certification::Config<Instance2> for Runtime {