feat(daokit): add arbitrary executor resource

gno/p/basedao/basedao.gno

@@ -87,6 +87,7 @@ func New(conf *Config) *DAO {
 			NewUnassignRoleHandler(dao),
 			daokit.NewSetResourceHandler(dao.Core),
 			daokit.NewRemoveResourceHandler(dao.Core),
+			daokit.NewExecuteLambdaHandler(),
 		} {
 			dao.Core.SetResource(&daokit.Resource{Handler: m, Condition: conf.InitialCondition})
 		}

gno/p/basedao/basedao_test.gno

@@ -57,7 +57,7 @@ func TestNewDAO(t *testing.T) {
 		}
 	}
 
-	urequire.Equal(t, 7, dao.Core.ResourcesCount(), "expected 7 resources")
+	urequire.Equal(t, 8, dao.Core.ResourcesCount(), "expected 7 resources")
 	urequire.Equal(t, dao.Realm.PkgPath(), daoRealm.PkgPath())
 
 	// XXX: check realm and profile
@@ -754,10 +754,10 @@ func TestAddRemoveResource(t *testing.T) {
 			Condition: daocond.MembersThreshold(0.2, tdao.dao.Members.IsMember, tdao.dao.Members.MembersCount),
 		}),
 	}
-	urequire.Equal(t, 8, tdao.dao.Core.ResourcesCount(), "expected 8 resources")
+	urequire.Equal(t, 9, tdao.dao.Core.ResourcesCount(), "expected 9 resources")
 	std.TestSetOrigCaller(alice)
 	tdao.dao.InstantExecute(addResourceProposal)
-	urequire.Equal(t, 9, tdao.dao.Core.ResourcesCount(), "expected 9 resources")
+	urequire.Equal(t, 10, tdao.dao.Core.ResourcesCount(), "expected 10 resources")
 
 	removeResourceProposal := daokit.ProposalRequest{
 		Title:       "My Proposal",
@@ -770,7 +770,7 @@ func TestAddRemoveResource(t *testing.T) {
 
 	tdao.dao.InstantExecute(removeResourceProposal)
 
-	urequire.Equal(t, 8, tdao.dao.Core.ResourcesCount(), "expected 8 resources")
+	urequire.Equal(t, 9, tdao.dao.Core.ResourcesCount(), "expected 9 resources")
 }
 
 func TestAddRemoveResourceInvalidateProposals(t *testing.T) {
@@ -847,3 +847,39 @@ func TestAddRemoveResourceInvalidateProposals(t *testing.T) {
 		return false
 	})
 }
+
+func TestAddCustomCallback(t *testing.T) {
+	members := []Member{
+		{
+			alice.String(),
+			[]string{"admin"},
+		},
+		{
+			bob.String(),
+			[]string{"admin"},
+		},
+	}
+	tdao := newTestingDAO(t, 0.2, members)
+
+	if !tdao.dao.Members.HasRole(bob.String(), "admin") {
+		t.Errorf("Expected member %s to have role 'admin'", bob.String())
+	}
+
+	std.TestSetOrigCaller(alice)
+
+	if tdao.dao == nil {
+		t.Error("dao should still be alive")
+	}
+
+	proposalKillSwitch := daokit.ProposalRequest{
+		Message: daokit.NewExecuteLambdaMsg(func() {
+			tdao.dao = nil
+		}),
+	}
+
+	tdao.dao.InstantExecute(proposalKillSwitch)
+
+	if tdao.dao != nil {
+		t.Error("dao should have been killed")
+	}
+}

gno/p/daokit/messages.gno

@@ -65,6 +65,22 @@ func (g *genericMessageHandler) Type() string {
 	return g.kind
 }
 
+const MsgExecuteLambdaKind = "gno.land/p/teritori/daokit.ExecuteLambda"
+
+func NewExecuteLambdaHandler() MessageHandler {
+	return NewMessageHandler(MsgExecuteLambdaKind, func(i interface{}) {
+		cb, ok := i.(func())
+		if !ok {
+			panic(errors.New("invalid msg type"))
+		}
+		cb()
+	})
+}
+
+func NewExecuteLambdaMsg(cb func()) ExecutableMessage {
+	return NewMessage(MsgExecuteLambdaKind, cb)
+}
+
 const MsgSetResourceKind = "gno.land/p/teritori/daokit.SetResource"
 
 func NewSetResourceHandler(d *Core) MessageHandler {
@@ -92,7 +108,7 @@ func NewRemoveResourceHandler(d *Core) MessageHandler {
 			panic(errors.New("invalid payload type"))
 		}
 		if d.Resources.getResource(payload.Handler.Type()) == nil {
-			panic("ressource " + payload.Handler.Type() + " does not exists")
+			panic("resource " + payload.Handler.Type() + " does not exists")
 		}
 		d.Resources.removeResource(payload)
 		d.ProposalModule.InvalidateWithResource(payload.Handler.Type())