diff --git a/docs/migrations/v7-to-v8.md b/docs/migrations/v7-to-v8.md index ec89e987124..2c7235a3085 100644 --- a/docs/migrations/v7-to-v8.md +++ b/docs/migrations/v7-to-v8.md @@ -88,6 +88,39 @@ Each module has a corresponding `MsgUpdateParams` message with a `Params` which Legacy params subspaces must still be initialised in app.go in order to successfully migrate from x/params to the new self-contained approach. See reference: https://github.com/cosmos/ibc-go/blob/main/testing/simapp/app.go#L1001-L1006 +### Governance V1 migration + +Proposals have been migrated to [gov v1 messages](https://docs.cosmos.network/v0.50/modules/gov#messages) ref: [#4620](https://github.com/cosmos/ibc-go/pull/4620). The proposal `ClientUpdateProposal` has been removed and replaced with `MsgRecoverClient` and the proposal `UpgradeProposal` has been removed and replaced with `MsgIBCSoftwareUpgrade`. + +Ensure that the correct authority field is provided to the ibc keeper. + +Remove legacy proposal registration from app.go ref: [#4602](https://github.com/cosmos/ibc-go/pull/4602). + +Remove the 02-client proposal handler from the `govRouter`. + +```diff +govRouter := govv1beta1.NewRouter() +govRouter.AddRoute(govtypes.RouterKey, govv1beta1.ProposalHandler). + AddRoute(paramproposal.RouterKey, params.NewParamChangeProposalHandler(app.ParamsKeeper)). +- AddRoute(ibcclienttypes.RouterKey, ibcclient.NewClientProposalHandler(app.IBCKeeper.ClientKeeper)) +``` + +Remove the UpgradeProposalHandler from the BasicModuleManager + +```diff +app.BasicModuleManager = module.NewBasicManagerFromManager( + app.ModuleManager, + map[string]module.AppModuleBasic{ + genutiltypes.ModuleName: genutil.NewAppModuleBasic(genutiltypes.DefaultMessageValidator), + govtypes.ModuleName: gov.NewAppModuleBasic( + []govclient.ProposalHandler{ + paramsclient.ProposalHandler, +- ibcclientclient.UpgradeProposalHandler, + }, + ), +}) +``` + ### Transfer migration An automatic migration handler (TODO: add link after https://github.com/cosmos/ibc-go/pull/3104 is merged) is configured in the transfer module to set the [denomination metadata](https://github.com/cosmos/cosmos-sdk/blob/95178ce036741ae6aa7af131fa9fccf3e13fff7a/proto/cosmos/bank/v1beta1/bank.proto#L96-L125) for the IBC denominations of all vouchers minted by the transfer module.