You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: root.go
    path of file: ./repos/evmos/cmd/evmosd
    
    the code of the file until where you have to start completion: // Copyright Tharsis Labs Ltd.(Evmos)
// SPDX-License-Identifier:ENCL-1.0(https://github.com/evmos/evmos/blob/main/LICENSE)

package main

import (
	"errors"
	"fmt"
	"io"
	"os"
	"path/filepath"
	"time"

	"github.com/spf13/cast"
	"github.com/spf13/cobra"
	"github.com/spf13/viper"

	"cosmossdk.io/simapp/params"
	rosettaCmd "cosmossdk.io/tools/rosetta/cmd"
	dbm "github.com/cometbft/cometbft-db"
	tmcfg "github.com/cometbft/cometbft/config"
	tmcli "github.com/cometbft/cometbft/libs/cli"
	"github.com/cometbft/cometbft/libs/log"
	"github.com/cosmos/cosmos-
    
func txCommand() *cobra.Command {
	cmd := &cobra.Command{
		Use:                        "tx",
		Short:                      "Transactions subcommands",
		DisableFlagParsing:         true,
		SuggestionsMinimumDistance: 2,
		RunE:                       client.ValidateCmd,
	}

	cmd.AddCommand(
		authcmd.GetSignCommand(),
		authcmd.GetSignBatchCommand(),
		authcmd.GetMultiSignCommand(),
		authcmd.GetMultiSignBatchCmd(),
		authcmd.GetValidateSignaturesCommand(),
		authcmd.GetBroadcastCommand(),
		authcmd.GetEncodeCommand(),
		authcmd.GetDecodeCommand(),
		authcmd.GetAuxToFeeCommand(),
	)

	// DefaultGasAdjustment value to use as default in gas-adjustment flag
	flags.DefaultGasAdjustment = servercfg.DefaultGasAdjustment

	app.ModuleBasics.AddTxCommands(cmd)
	cmd.PersistentFlags().String(flags.FlagChainID, "", "The network chain ID")

	return cmd
}