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d14809694f
* [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.
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/infrastructure/db/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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