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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()
47 lines
1.1 KiB
Go
47 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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"github.com/kaspanet/kaspad/util/daghash"
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)
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var multisetBucket = database.MakeBucket([]byte("multiset"))
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func multisetKey(hash *daghash.Hash) *database.Key {
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return multisetBucket.Key(hash[:])
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}
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// MultisetCursor opens a cursor over all the
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// multiset entries.
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func MultisetCursor(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(multisetBucket)
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}
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// StoreMultiset stores the multiset of a block by its hash.
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func StoreMultiset(context Context, blockHash *daghash.Hash, multiset []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 := multisetKey(blockHash)
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return accessor.Put(key, multiset)
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}
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// HasMultiset returns whether the multiset of
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// the given block exists in the database.
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func HasMultiset(context Context, blockHash *daghash.Hash) (bool, error) {
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accessor, err := context.accessor()
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if err != nil {
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return false, err
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}
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key := multisetKey(blockHash)
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return accessor.Has(key)
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}
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