Problem: manual prune cmd is not included (#781)

Solution:
- add to root cmd

Author: yihuang

CHANGELOG.md

@@ -14,6 +14,7 @@
 - [cronos#702](https://github.com/crypto-org-chain/cronos/pull/702) Integrate the file state streamer.
 - [cronos#714](https://github.com/crypto-org-chain/cronos/pull/714) Add option `iavl-disable-fastnode` to disable iavl fastnode indexing migration.
 - [cronos#729](https://github.com/crypto-org-chain/cronos/pull/729) Update dependencies to recent versions.
+- [cronos#781](https://github.com/crypto-org-chain/cronos/pull/781) Add prune command.
 
 *September 13, 2022*
 

cmd/cronosd/cmd/root.go

@@ -26,6 +26,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/client/config"
 	"github.com/cosmos/cosmos-sdk/client/debug"
 	"github.com/cosmos/cosmos-sdk/client/flags"
+	"github.com/cosmos/cosmos-sdk/client/pruning"
 	"github.com/cosmos/cosmos-sdk/client/rpc"
 	"github.com/cosmos/cosmos-sdk/server"
 	servertypes "github.com/cosmos/cosmos-sdk/server/types"
@@ -113,6 +114,7 @@ func initRootCmd(rootCmd *cobra.Command, encodingConfig params.EncodingConfig) {
 	cfg := sdk.GetConfig()
 	cfg.Seal()
 
+	a := appCreator{encodingConfig}
 	rootCmd.AddCommand(
 		ethermintclient.ValidateChainID(
 			WrapInitCmd(app.DefaultNodeHome),
@@ -126,10 +128,10 @@ func initRootCmd(rootCmd *cobra.Command, encodingConfig params.EncodingConfig) {
 		ethermintclient.NewTestnetCmd(app.ModuleBasics, banktypes.GenesisBalancesIterator{}),
 		debug.Cmd(),
 		config.Cmd(),
+		pruning.PruningCmd(a.newApp),
 		// this line is used by starport scaffolding # stargate/root/commands
 	)
 
-	a := appCreator{encodingConfig}
 	ethermintserver.AddCommands(rootCmd, app.DefaultNodeHome, a.newApp, a.appExport, addModuleInitFlags)
 	experimental.AddCommands(rootCmd)