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fix: add nil checks for controller and host keeper services #2308

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merged 5 commits into from
Sep 20, 2022
Merged

fix: add nil checks for controller and host keeper services #2308

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592da8b
fix: add nil checks for controller and host keeper services
colin-axner Sep 20, 2022
86c259a
add changelog entry
colin-axner Sep 20, 2022
61b1ef9
move changelog entry to bug fix
colin-axner Sep 20, 2022
96da2a2
Merge branch 'main' into colin/fix-ica-nil-checks
colin-axner Sep 20, 2022
1d23c5c
Merge branch 'main' into colin/fix-ica-nil-checks
colin-axner Sep 20, 2022
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26 changes: 14 additions & 12 deletions modules/apps/27-interchain-accounts/controller/keeper/migrations.go
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Original file line number Diff line number Diff line change
Expand Up @@ -22,19 +22,21 @@ func NewMigrator(keeper *Keeper) Migrator {
// AssertChannelCapabilityMigrations checks that all channel capabilities generated using the interchain accounts controller port prefix
// are owned by the controller submodule and ibc.
func (m Migrator) AssertChannelCapabilityMigrations(ctx sdk.Context) error {
for _, ch := range m.keeper.GetAllActiveChannels(ctx) {
name := host.ChannelCapabilityPath(ch.PortId, ch.ChannelId)
cap, found := m.keeper.scopedKeeper.GetCapability(ctx, name)
if !found {
return sdkerrors.Wrapf(capabilitytypes.ErrCapabilityNotFound, "failed to find capability: %s", name)
if m.keeper != nil {
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This ensures a no-op migration for chains which don't use the controller module

for _, ch := range m.keeper.GetAllActiveChannels(ctx) {
name := host.ChannelCapabilityPath(ch.PortId, ch.ChannelId)
cap, found := m.keeper.scopedKeeper.GetCapability(ctx, name)
if !found {
return sdkerrors.Wrapf(capabilitytypes.ErrCapabilityNotFound, "failed to find capability: %s", name)
}

isAuthenticated := m.keeper.scopedKeeper.AuthenticateCapability(ctx, cap, name)
if !isAuthenticated {
return sdkerrors.Wrapf(capabilitytypes.ErrCapabilityNotOwned, "expected capability owner: %s", types.SubModuleName)
}

m.keeper.SetMiddlewareEnabled(ctx, ch.PortId, ch.ChannelId)
}

isAuthenticated := m.keeper.scopedKeeper.AuthenticateCapability(ctx, cap, name)
if !isAuthenticated {
return sdkerrors.Wrapf(capabilitytypes.ErrCapabilityNotOwned, "expected capability owner: %s", types.SubModuleName)
}

m.keeper.SetMiddlewareEnabled(ctx, ch.PortId, ch.ChannelId)
}

return nil
Expand Down
12 changes: 9 additions & 3 deletions modules/apps/27-interchain-accounts/module.go
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Original file line number Diff line number Diff line change
Expand Up @@ -76,6 +76,7 @@ func (AppModuleBasic) RegisterGRPCGatewayRoutes(clientCtx client.Context, mux *r
if err != nil {
panic(err)
}

err = hosttypes.RegisterQueryHandlerClient(context.Background(), mux, hosttypes.NewQueryClient(clientCtx))
if err != nil {
panic(err)
Expand Down Expand Up @@ -150,9 +151,14 @@ func (am AppModule) LegacyQuerierHandler(legacyQuerierCdc *codec.LegacyAmino) sd

// RegisterServices registers module services
func (am AppModule) RegisterServices(cfg module.Configurator) {
controllertypes.RegisterMsgServer(cfg.MsgServer(), controllerkeeper.NewMsgServerImpl(am.controllerKeeper))
controllertypes.RegisterQueryServer(cfg.QueryServer(), am.controllerKeeper)
hosttypes.RegisterQueryServer(cfg.QueryServer(), am.hostKeeper)
if am.controllerKeeper != nil {
controllertypes.RegisterMsgServer(cfg.MsgServer(), controllerkeeper.NewMsgServerImpl(am.controllerKeeper))
controllertypes.RegisterQueryServer(cfg.QueryServer(), am.controllerKeeper)
Comment on lines +155 to +156
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It isn't possible to unregister the cli commands without modifying the AppModuleBasic struct

}

if am.hostKeeper != nil {
hosttypes.RegisterQueryServer(cfg.QueryServer(), am.hostKeeper)
}

m := controllerkeeper.NewMigrator(am.controllerKeeper)
if err := cfg.RegisterMigration(types.ModuleName, 1, m.AssertChannelCapabilityMigrations); err != nil {
Expand Down