status-go/cmd/statusd-prune/main.go

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package main
import (
"flag"
"fmt"
"log"
"os"
"github.com/status-im/status-go/mailserver"
"github.com/syndtr/goleveldb/leveldb"
)
var (
dbPath = flag.String("db", "", "Path to wnode database folder")
lowerTimestamp = flag.Int("lower", 0, "Removes messages sent starting from this timestamp")
upperTimestamp = flag.Int("upper", 0, "Removes messages sent up to this timestamp")
)
func missingFlag(f string) {
log.Printf("flag -%s is required", f)
flag.Usage()
os.Exit(1)
}
func validateRange(lower, upper int) error {
if upper <= lower {
return fmt.Errorf("upper value must be greater than lower value")
}
if lower < 0 || upper < 0 {
return fmt.Errorf("upper and lower values must be greater than zero")
}
return nil
}
func init() {
flag.Parse()
if *dbPath == "" {
missingFlag("db")
}
if *upperTimestamp == 0 {
missingFlag("upper")
}
}
func main() {
db, err := leveldb.OpenFile(*dbPath, nil)
if err != nil {
log.Fatal(err)
}
c := mailserver.NewCleanerWithDB(db)
if err = validateRange(*lowerTimestamp, *upperTimestamp); err != nil {
log.Fatal(err)
}
lower := uint32(*lowerTimestamp)
upper := uint32(*upperTimestamp)
n, err := c.Prune(lower, upper)
if err != nil {
log.Fatal(err)
}
log.Printf("removed %d messages.\n", n)
}