If mars is an IBC-module

docs/migration/index.md

@@ -253,6 +253,76 @@ func MarsKeeper(t testing.TB) (*keeper.Keeper, sdk.Context) {
 }
 ```
 
+If `mars` is an IBC-enabled module, add the following code, instead:
+
+```go
+package keeper
+
+import (
+  "testing"
+
+  "github.com/cosmonaut/test/x/mars/keeper"
+  "github.com/cosmonaut/test/x/mars/types"
+  "github.com/cosmos/cosmos-sdk/codec"
+  codectypes "github.com/cosmos/cosmos-sdk/codec/types"
+  "github.com/cosmos/cosmos-sdk/store"
+  storetypes "github.com/cosmos/cosmos-sdk/store/types"
+  sdk "github.com/cosmos/cosmos-sdk/types"
+  capabilitykeeper "github.com/cosmos/cosmos-sdk/x/capability/keeper"
+  typesparams "github.com/cosmos/cosmos-sdk/x/params/types"
+  ibckeeper "github.com/cosmos/ibc-go/modules/core/keeper"
+  "github.com/stretchr/testify/require"
+  "github.com/tendermint/tendermint/libs/log"
+  tmproto "github.com/tendermint/tendermint/proto/tendermint/types"
+  tmdb "github.com/tendermint/tm-db"
+)
+
+func MarsKeeper(t testing.TB) (*keeper.Keeper, sdk.Context) {
+  logger := log.NewNopLogger()
+
+  storeKey := sdk.NewKVStoreKey(types.StoreKey)
+  memStoreKey := storetypes.NewMemoryStoreKey(types.MemStoreKey)
+
+  db := tmdb.NewMemDB()
+  stateStore := store.NewCommitMultiStore(db)
+  stateStore.MountStoreWithDB(storeKey, sdk.StoreTypeIAVL, db)
+  stateStore.MountStoreWithDB(memStoreKey, sdk.StoreTypeMemory, nil)
+  require.NoError(t, stateStore.LoadLatestVersion())
+
+  registry := codectypes.NewInterfaceRegistry()
+  appCodec := codec.NewProtoCodec(registry)
+  capabilityKeeper := capabilitykeeper.NewKeeper(appCodec, storeKey, memStoreKey)
+
+  amino := codec.NewLegacyAmino()
+  ss := typesparams.NewSubspace(appCodec,
+    amino,
+    storeKey,
+    memStoreKey,
+    "MarsSubSpace",
+  )
+  IBCKeeper := ibckeeper.NewKeeper(
+    appCodec,
+    storeKey,
+    ss,
+    nil,
+    nil,
+    capabilityKeeper.ScopeToModule("MarsIBCKeeper"),
+  )
+
+  k := keeper.NewKeeper(
+    codec.NewProtoCodec(registry),
+    storeKey,
+    memStoreKey,
+    IBCKeeper.ChannelKeeper,
+    &IBCKeeper.PortKeeper,
+    capabilityKeeper.ScopeToModule("MarsScopedKeeper"),
+  )
+
+  ctx := sdk.NewContext(stateStore, tmproto.Header{}, false, logger)
+  return k, ctx
+}
+```
+
 ### testutil/network/network.go
 
 ```go