package main
 
import (
    "fmt"
    "github.com/syndtr/goleveldb/leveldb"
    "github.com/syndtr/goleveldb/leveldb/util"
)
 
func main() {
    db, err := leveldb.OpenFile("gossip.db", nil)
    if err != nil {
        fmt.Println(err)
        return
    }
 
    iter := db.NewIterator(&util.Range{Start: []byte("key-1"), Limit: []byte("key-3")}, nil)
    for iter.Next() {
        fmt.Println(string(iter.Key()), string(iter.Value()))
    }
    iter.Release()
    err = iter.Error()
    if err != nil {
        fmt.Println(err)
        return
    }
    defer db.Close()
}