/
compact.go
53 lines (48 loc) · 1.52 KB
/
compact.go
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package cmd
import (
"errors"
"fmt"
"path/filepath"
"time"
"github.com/cosmos/cosmos-sdk/client"
"github.com/cosmos/cosmos-sdk/server"
sdk "github.com/cosmos/cosmos-sdk/types"
"github.com/fibonacci-chain/core/app/params"
"github.com/spf13/cobra"
leveldbutils "github.com/syndtr/goleveldb/leveldb/util"
"github.com/tendermint/tendermint/libs/cli"
dbm "github.com/tendermint/tm-db"
)
func CompactCmd(defaultNodeHome string) *cobra.Command {
cmd := &cobra.Command{
Use: "compact",
Short: "Compact the application DB fully (only if it is a levelDB)",
Long: `Compact the application DB fully (only if it is a levelDB)`,
Args: cobra.ExactArgs(0),
RunE: func(cmd *cobra.Command, args []string) error {
clientCtx := client.GetClientContextFromCmd(cmd)
serverCtx := server.GetServerContextFromCmd(cmd)
config := serverCtx.Config
params.SetTendermintConfigs(config)
config.SetRoot(clientCtx.HomeDir)
rootDir := config.RootDir
dataDir := filepath.Join(rootDir, "data")
db, err := sdk.NewLevelDB("application", dataDir)
if err != nil {
return err
}
if goleveldb, ok := db.(*dbm.GoLevelDB); ok {
start := time.Now()
if err := goleveldb.DB().CompactRange(leveldbutils.Range{Start: nil, Limit: nil}); err != nil {
return err
}
fmt.Printf("compaction took %f seconds\n", time.Since(start).Seconds())
} else {
return errors.New("cannot compact non-levelDB")
}
return nil
},
}
cmd.Flags().String(cli.HomeFlag, defaultNodeHome, "node's home directory")
return cmd
}