32 lines
741 B
Go
32 lines
741 B
Go
package helper
|
|
|
|
import "github.com/ethereum/go-ethereum/ethtrie"
|
|
|
|
type MemDatabase struct {
|
|
db map[string][]byte
|
|
}
|
|
|
|
func NewMemDatabase() (*MemDatabase, error) {
|
|
db := &MemDatabase{db: make(map[string][]byte)}
|
|
return db, nil
|
|
}
|
|
func (db *MemDatabase) Put(key []byte, value []byte) {
|
|
db.db[string(key)] = value
|
|
}
|
|
func (db *MemDatabase) Get(key []byte) ([]byte, error) {
|
|
return db.db[string(key)], nil
|
|
}
|
|
func (db *MemDatabase) Delete(key []byte) error {
|
|
delete(db.db, string(key))
|
|
return nil
|
|
}
|
|
func (db *MemDatabase) Print() {}
|
|
func (db *MemDatabase) Close() {}
|
|
func (db *MemDatabase) LastKnownTD() []byte { return nil }
|
|
|
|
func NewTrie() *ethtrie.Trie {
|
|
db, _ := NewMemDatabase()
|
|
|
|
return ethtrie.New(db, "")
|
|
}
|