Add pruning command (CosmosContracts#319)

Author: giansalex

cmd/junod/root.go

@@ -12,6 +12,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/client/debug"
 	"github.com/cosmos/cosmos-sdk/client/flags"
 	"github.com/cosmos/cosmos-sdk/client/keys"
+	"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"
@@ -93,6 +94,10 @@ func NewRootCmd() (*cobra.Command, params.EncodingConfig) {
 }
 
 func initRootCmd(rootCmd *cobra.Command, encodingConfig params.EncodingConfig) {
+	ac := appCreator{
+		encCfg: encodingConfig,
+	}
+
 	rootCmd.AddCommand(
 		genutilcli.InitCmd(app.ModuleBasics, app.DefaultNodeHome),
 		genutilcli.CollectGenTxsCmd(banktypes.GenesisBalancesIterator{}, app.DefaultNodeHome),
@@ -105,11 +110,9 @@ func initRootCmd(rootCmd *cobra.Command, encodingConfig params.EncodingConfig) {
 		// testnetCmd(app.ModuleBasics, banktypes.GenesisBalancesIterator{}),
 		debug.Cmd(),
 		config.Cmd(),
+		pruning.PruningCmd(ac.newApp),
 	)
 
-	ac := appCreator{
-		encCfg: encodingConfig,
-	}
 	server.AddCommands(rootCmd, app.DefaultNodeHome, ac.newApp, ac.appExport, addModuleInitFlags)
 
 	// add keybase, auxiliary RPC, query, and tx child commands