feat(gentx): allow custom tx validation (cosmos#12956)

## Description

Closes: cosmos#12833



---

### Author Checklist

*All items are required. Please add a note to the item if the item is not applicable and
please add links to any relevant follow up issues.*

I have...

- [ ] included the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] added `!` to the type prefix if API or client breaking change
- [ ] targeted the correct branch (see [PR Targeting](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#pr-targeting))
- [ ] provided a link to the relevant issue or specification
- [ ] followed the guidelines for [building modules](https://github.com/cosmos/cosmos-sdk/blob/main/docs/building-modules)
- [ ] included the necessary unit and integration [tests](https://github.com/cosmos/cosmos-sdk/blob/main/CONTRIBUTING.md#testing)
- [ ] added a changelog entry to `CHANGELOG.md`
- [ ] included comments for [documenting Go code](https://blog.golang.org/godoc)
- [ ] updated the relevant documentation or specification
- [ ] reviewed "Files changed" and left comments if necessary
- [ ] confirmed all CI checks have passed

### Reviewers Checklist

*All items are required. Please add a note if the item is not applicable and please add
your handle next to the items reviewed if you only reviewed selected items.*

I have...

- [ ] confirmed the correct [type prefix](https://github.com/commitizen/conventional-commit-types/blob/v3.0.0/index.json) in the PR title
- [ ] confirmed `!` in the type prefix if API or client breaking change
- [ ] confirmed all author checklist items have been addressed 
- [ ] reviewed state machine logic
- [ ] reviewed API design and naming
- [ ] reviewed documentation is accurate
- [ ] reviewed tests and test coverage
- [ ] manually tested (if applicable)

app.go

@@ -97,7 +97,7 @@ var (
 	// and genesis verification.
 	ModuleBasics = module.NewBasicManager(
 		auth.AppModuleBasic{},
-		genutil.AppModuleBasic{},
+		genutil.NewAppModuleBasic(genutiltypes.DefaultMessageValidator),
 		bank.AppModuleBasic{},
 		capability.AppModuleBasic{},
 		staking.AppModuleBasic{},

app_legacy.go

@@ -107,7 +107,7 @@ var (
 	// and genesis verification.
 	ModuleBasics = module.NewBasicManager(
 		auth.AppModuleBasic{},
-		genutil.AppModuleBasic{},
+		genutil.NewAppModuleBasic(genutiltypes.DefaultMessageValidator),
 		bank.AppModuleBasic{},
 		capability.AppModuleBasic{},
 		staking.AppModuleBasic{},

simd/cmd/root.go

@@ -35,7 +35,9 @@ import (
 	"github.com/cosmos/cosmos-sdk/x/auth/types"
 	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
 	"github.com/cosmos/cosmos-sdk/x/crisis"
+	"github.com/cosmos/cosmos-sdk/x/genutil"
 	genutilcli "github.com/cosmos/cosmos-sdk/x/genutil/client/cli"
+	genutiltypes "github.com/cosmos/cosmos-sdk/x/genutil/types"
 )
 
 // NewRootCmd creates a new root command for simd. It is called once in the
@@ -165,12 +167,15 @@ lru_size = 0`
 func initRootCmd(rootCmd *cobra.Command, encodingConfig params.EncodingConfig) {
 	cfg := sdk.GetConfig()
 	cfg.Seal()
+	gentxModule := simapp.ModuleBasics[genutiltypes.ModuleName].(genutil.AppModuleBasic)
 
 	rootCmd.AddCommand(
 		genutilcli.InitCmd(simapp.ModuleBasics, simapp.DefaultNodeHome),
-		genutilcli.CollectGenTxsCmd(banktypes.GenesisBalancesIterator{}, simapp.DefaultNodeHome),
+		genutilcli.CollectGenTxsCmd(banktypes.GenesisBalancesIterator{}, simapp.DefaultNodeHome,
+			gentxModule.GenTxValidator),
 		genutilcli.MigrateGenesisCmd(),
-		genutilcli.GenTxCmd(simapp.ModuleBasics, encodingConfig.TxConfig, banktypes.GenesisBalancesIterator{}, simapp.DefaultNodeHome),
+		genutilcli.GenTxCmd(simapp.ModuleBasics, encodingConfig.TxConfig,
+			banktypes.GenesisBalancesIterator{}, simapp.DefaultNodeHome),
 		genutilcli.ValidateGenesisCmd(simapp.ModuleBasics),
 		AddGenesisAccountCmd(simapp.DefaultNodeHome),
 		tmcli.NewCompletionCmd(rootCmd, true),

simd/cmd/testnet.go

@@ -421,7 +421,7 @@ func collectGenFiles(
 			return err
 		}
 
-		nodeAppState, err := genutil.GenAppStateFromConfig(clientCtx.Codec, clientCtx.TxConfig, nodeConfig, initCfg, *genDoc, genBalIterator)
+		nodeAppState, err := genutil.GenAppStateFromConfig(clientCtx.Codec, clientCtx.TxConfig, nodeConfig, initCfg, *genDoc, genBalIterator, genutiltypes.DefaultMessageValidator)
 		if err != nil {
 			return err
 		}