57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
package main
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import (
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"path"
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"os/user"
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"github.com/syndtr/goleveldb/leveldb"
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"fmt"
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)
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type LDBDatabase struct {
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db *leveldb.DB
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trie *Trie
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}
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func NewLDBDatabase() (*LDBDatabase, error) {
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// This will eventually have to be something like a resource folder.
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// it works on my system for now. Probably won't work on Windows
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usr, _ := user.Current()
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dbPath := path.Join(usr.HomeDir, ".ethereum", "database")
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// Open the db
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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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// Bootstrap database. Sets a few defaults; such as the last block
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database.Bootstrap()
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return database, nil
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}
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func (db *LDBDatabase) Bootstrap() error {
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db.trie = NewTrie(db)
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return 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 {
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fmt.Println("Error put", err)
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}
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}
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func (db *LDBDatabase) Get(key []byte) ([]byte, error) {
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return nil, nil
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}
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func (db *LDBDatabase) Close() {
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// Close the leveldb database
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db.db.Close()
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}
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