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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.
65 lines
1.9 KiB
Go
65 lines
1.9 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 reachabilityDataBucket = database.MakeBucket([]byte("reachability"))
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var reachabilityReindexKey = database.MakeBucket().Key([]byte("reachability-reindex-root"))
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func reachabilityKey(hash *daghash.Hash) *database.Key {
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return reachabilityDataBucket.Key(hash[:])
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}
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// ReachabilityDataCursor opens a cursor over all the
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// reachability data entries.
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func ReachabilityDataCursor(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(reachabilityDataBucket)
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}
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// StoreReachabilityData stores the reachability data of a block by its hash.
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func StoreReachabilityData(context Context, blockHash *daghash.Hash, reachabilityData []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 := reachabilityKey(blockHash)
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return accessor.Put(key, reachabilityData)
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}
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// ClearReachabilityData clears the reachability data
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// from database.
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func ClearReachabilityData(dbTx *TxContext) error {
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return clearBucket(dbTx, reachabilityDataBucket)
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}
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// StoreReachabilityReindexRoot stores the reachability reindex root in the database.
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func StoreReachabilityReindexRoot(context Context, reachabilityReindexRoot *daghash.Hash) 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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return accessor.Put(reachabilityReindexKey, reachabilityReindexRoot[:])
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}
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// FetchReachabilityReindexRoot retrieves the reachability reindex root from the database.
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// Returns ErrNotFound if the state is missing from the database.
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func FetchReachabilityReindexRoot(context Context) (*daghash.Hash, 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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bytes, err := accessor.Get(reachabilityReindexKey)
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if err != nil {
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return nil, err
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}
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return daghash.NewHash(bytes)
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}
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