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https://github.com/kaspanet/kaspad.git
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7609c50641
* [NOD-885] Create database.Key type * [NOD-885] Rename FullKey()->FullKeyBytes() and Key()->KeyBytes() * [NOD-885] Make Key.String return a hex string * [NOD-885] Rename key parts * [NOD-885] Rename separator->bucketSeparator * [NOD-885] Rename SuffixBytes->Suffix and PrefixBytes->Prefix * [NOD-885] Change comments * [NOD-885] Change key prefix to bucket * [NOD-885] Don't use database.NewKey inside dbaccess * [NOD-885] Fix nil bug in Bucket.Path() * [NOD-885] Rename helpers.go -> keys.go * [NOD-885] Unexport database.NewKey * [NOD-885] Remove redundant code in Bucket.Path()
49 lines
1.1 KiB
Go
49 lines
1.1 KiB
Go
package dbaccess
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import (
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"github.com/kaspanet/kaspad/database"
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)
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var (
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utxoBucket = database.MakeBucket([]byte("utxo"))
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)
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func utxoKey(outpointKey []byte) *database.Key {
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return utxoBucket.Key(outpointKey)
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}
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// AddToUTXOSet adds the given outpoint-utxoEntry pair to
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// the database's UTXO set.
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func AddToUTXOSet(context Context, outpointKey []byte, utxoEntry []byte) error {
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accessor, err := context.accessor()
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if err != nil {
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return err
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}
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key := utxoKey(outpointKey)
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return accessor.Put(key, utxoEntry)
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}
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// RemoveFromUTXOSet removes the given outpoint from the
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// database's UTXO set.
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func RemoveFromUTXOSet(context Context, outpointKey []byte) error {
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accessor, err := context.accessor()
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if err != nil {
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return err
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}
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key := utxoKey(outpointKey)
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return accessor.Delete(key)
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}
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// UTXOSetCursor opens a cursor over all the UTXO entries
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// that have been previously added to the database.
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func UTXOSetCursor(context Context) (database.Cursor, error) {
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accessor, err := context.accessor()
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if err != nil {
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return nil, err
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}
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return accessor.Cursor(utxoBucket)
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}
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