docs: add migration guide for #2867

docs/docs/migration/v0.25.1.md

@@ -1049,3 +1049,112 @@ func DefaultConfig() network.Config {
 	}
 }
 ```
+
+ ---
+
+## Fix ICA controller keeper wiring
+
+Related issue: https://github.com/ignite/cli/issues/2867
+
+Apply the following changes to `app/app.go` file :
+
+```go
+package app
+
+import (
+
+	// highlight-start
+	icacontrollerkeeper "github.com/cosmos/ibc-go/v5/modules/apps/27-interchain-accounts/controller/keeper"
+	icacontrollertypes "github.com/cosmos/ibc-go/v5/modules/apps/27-interchain-accounts/controller/types"
+	// highlight-end
+	// ...
+)
+
+// New returns a reference to an initialized blockchain app
+func New(
+	logger log.Logger,
+	db dbm.DB,
+	traceStore io.Writer,
+	loadLatest bool,
+	skipUpgradeHeights map[int64]bool,
+	homePath string,
+	invCheckPeriod uint,
+	encodingConfig appparams.EncodingConfig,
+	appOpts servertypes.AppOptions,
+	baseAppOptions ...func(*baseapp.BaseApp),
+) *App {
+
+	// ...
+
+	keys := sdk.NewKVStoreKeys(
+		authtypes.StoreKey, authz.ModuleName, banktypes.StoreKey,
+		stakingtypes.StoreKey,
+		minttypes.StoreKey, distrtypes.StoreKey, slashingtypes.StoreKey,
+		govtypes.StoreKey,
+		paramstypes.StoreKey, ibchost.StoreKey, upgradetypes.StoreKey,
+		feegrant.StoreKey, evidencetypes.StoreKey,
+		ibctransfertypes.StoreKey, icahosttypes.StoreKey,
+		capabilitytypes.StoreKey, group.StoreKey,
+		// highlight-next-line
+		icacontrollertypes.StoreKey,
+		yourchainmoduletypes.StoreKey,
+		// this line is used by starport scaffolding # stargate/app/storeKey
+	)
+
+	// ...
+
+	app.ICAHostKeeper = icahostkeeper.NewKeeper(
+		appCodec, keys[icahosttypes.StoreKey],
+		app.GetSubspace(icahosttypes.SubModuleName),
+		app.IBCKeeper.ChannelKeeper,
+		// highlight-next-line
+		app.IBCKeeper.ChannelKeeper,
+		&app.IBCKeeper.PortKeeper,
+		app.AccountKeeper,
+		scopedICAHostKeeper,
+		app.MsgServiceRouter(),
+	)
+	// remove-next-line
+	icaModule := ica.NewAppModule(nil, &app.ICAHostKeeper)
+	// highlight-start
+	icaControllerKeeper := icacontrollerkeeper.NewKeeper(
+		appCodec, keys[icacontrollertypes.StoreKey],
+		app.GetSubspace(icacontrollertypes.SubModuleName),
+		app.IBCKeeper.ChannelKeeper, // may be replaced with middleware such as ics29 fee
+		app.IBCKeeper.ChannelKeeper, &app.IBCKeeper.PortKeeper,
+		scopedICAControllerKeeper, app.MsgServiceRouter(),
+	)
+	icaModule := ica.NewAppModule(&icaControllerKeeper, &app.ICAHostKeeper)
+	// highlight-end
+	icaHostIBCModule := icahost.NewIBCModule(app.ICAHostKeeper)
+
+	// ...
+}
+
+// ...
+
+// initParamsKeeper init params keeper and its subspaces
+func initParamsKeeper(appCodec codec.BinaryCodec, legacyAmino *codec.LegacyAmino, key, tkey storetypes.StoreKey) paramskeeper.Keeper {
+	paramsKeeper := paramskeeper.NewKeeper(appCodec, legacyAmino, key, tkey)
+
+	paramsKeeper.Subspace(authtypes.ModuleName)
+	paramsKeeper.Subspace(banktypes.ModuleName)
+	paramsKeeper.Subspace(stakingtypes.ModuleName)
+	paramsKeeper.Subspace(minttypes.ModuleName)
+	paramsKeeper.Subspace(distrtypes.ModuleName)
+	paramsKeeper.Subspace(slashingtypes.ModuleName)
+	paramsKeeper.Subspace(govtypes.ModuleName).WithKeyTable(govv1.ParamKeyTable())
+	paramsKeeper.Subspace(crisistypes.ModuleName)
+	paramsKeeper.Subspace(ibctransfertypes.ModuleName)
+	paramsKeeper.Subspace(ibchost.ModuleName)
+	// highlight-next-line
+	paramsKeeper.Subspace(icacontrollertypes.SubModuleName)
+	paramsKeeper.Subspace(icahosttypes.SubModuleName)
+	paramsKeeper.Subspace(mychainmoduletypes.ModuleName)
+	// this line is used by starport scaffolding # stargate/app/paramSubspace
+
+	return paramsKeeper
+}
+```
+
+