stasatdaglabs d14809694f
[NOD-1223] Reorganize directory structure (#874)
* [NOD-1223] Delete unused files/packages.

* [NOD-1223] Move signal and limits to the os package.

* [NOD-1223] Put database and dbaccess into the db package.

* [NOD-1223] Fold the logs package into the logger package.

* [NOD-1223] Rename domainmessage to appmessage.

* [NOD-1223] Rename to/from DomainMessage to AppMessage.

* [NOD-1223] Move appmessage to the app packge.

* [NOD-1223] Move protocol to the app packge.

* [NOD-1223] Move the network package to the infrastructure packge.

* [NOD-1223] Rename cmd to executables.

* [NOD-1223] Fix go.doc in the logger package.
2020-08-18 10:26:39 +03:00

49 lines
1.1 KiB
Go

package dbaccess
import (
"github.com/kaspanet/kaspad/infrastructure/db/database"
)
var (
utxoBucket = database.MakeBucket([]byte("utxo"))
)
func utxoKey(outpointKey []byte) *database.Key {
return utxoBucket.Key(outpointKey)
}
// AddToUTXOSet adds the given outpoint-utxoEntry pair to
// the database's UTXO set.
func AddToUTXOSet(context Context, outpointKey []byte, utxoEntry []byte) error {
accessor, err := context.accessor()
if err != nil {
return err
}
key := utxoKey(outpointKey)
return accessor.Put(key, utxoEntry)
}
// RemoveFromUTXOSet removes the given outpoint from the
// database's UTXO set.
func RemoveFromUTXOSet(context Context, outpointKey []byte) error {
accessor, err := context.accessor()
if err != nil {
return err
}
key := utxoKey(outpointKey)
return accessor.Delete(key)
}
// UTXOSetCursor opens a cursor over all the UTXO entries
// that have been previously added to the database.
func UTXOSetCursor(context Context) (database.Cursor, error) {
accessor, err := context.accessor()
if err != nil {
return nil, err
}
return accessor.Cursor(utxoBucket)
}