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54 lines
990 B
54 lines
990 B
package merkle
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import (
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"fmt"
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"github.com/syndtr/goleveldb/leveldb"
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"path"
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)
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type LDBDatabase struct {
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db *leveldb.DB
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}
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func NewLDBDatabase(name string) (*LDBDatabase, error) {
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dbPath := path.Join(name)
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db, err := leveldb.OpenFile(dbPath, nil)
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if err != nil {
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return nil, err
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}
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database := &LDBDatabase{db: db}
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return database, nil
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}
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func (db *LDBDatabase) Put(key []byte, value []byte) {
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err := db.db.Put(key, value, nil)
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if err != nil { panic(err) }
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}
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func (db *LDBDatabase) Get(key []byte) ([]byte) {
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res, err := db.db.Get(key, nil)
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if err != nil { panic(err) }
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return res
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}
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func (db *LDBDatabase) Delete(key []byte) error {
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return db.db.Delete(key, nil)
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}
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func (db *LDBDatabase) Db() *leveldb.DB {
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return db.db
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}
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func (db *LDBDatabase) Close() {
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db.db.Close()
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}
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func (db *LDBDatabase) Print() {
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iter := db.db.NewIterator(nil, nil)
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for iter.Next() {
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key := iter.Key()
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value := iter.Value()
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fmt.Printf("%x(%d): %v ", key, len(key), value)
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}
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}
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