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c88266afed
* [NOD-1492] Implement GHOSTDAGDataStore. * [NOD-1492] Implement MultisetStore. * [NOD-1492] Implement PruningStore. * [NOD-1492] Implement ReachabilityDataStore. * [NOD-1492] Implement UTXODiffStore. * [NOD-1492] Pluralize the multiset bucket name. * [NOD-1492] In PruningPoint and PruningPointSerializedUTXOSet, don't use IsStaged. * [NOD-1492] Leave pruning point serialization/deserialization for future implementation. * [NOD-1492] Leave reachability reindex root serialization/deserialization for future implementation. * [NOD-1492] Leave utxo diff child serialization/deserialization for future implementation. * [NOD-1492] Add Serialize() to Multiset. * [NOD-1492] Also check serializedUTXOSetStaging in IsStaged. * [NOD-1492] Also check utxoDiffChildStaging in IsStaged. * [NOD-1492] Fix UTXODiffStore.Delete.
73 lines
2.2 KiB
Go
73 lines
2.2 KiB
Go
package ghostdagdatastore
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import (
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"github.com/kaspanet/kaspad/domain/consensus/model"
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"github.com/kaspanet/kaspad/domain/consensus/model/externalapi"
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"github.com/kaspanet/kaspad/domain/consensus/utils/dbkeys"
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)
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var bucket = dbkeys.MakeBucket([]byte("block-ghostdag-data"))
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// ghostdagDataStore represents a store of BlockGHOSTDAGData
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type ghostdagDataStore struct {
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staging map[externalapi.DomainHash]*model.BlockGHOSTDAGData
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}
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// New instantiates a new GHOSTDAGDataStore
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func New() model.GHOSTDAGDataStore {
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return &ghostdagDataStore{
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staging: make(map[externalapi.DomainHash]*model.BlockGHOSTDAGData),
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}
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}
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// Stage stages the given blockGHOSTDAGData for the given blockHash
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func (gds *ghostdagDataStore) Stage(blockHash *externalapi.DomainHash, blockGHOSTDAGData *model.BlockGHOSTDAGData) {
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gds.staging[*blockHash] = blockGHOSTDAGData
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}
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func (gds *ghostdagDataStore) IsStaged() bool {
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return len(gds.staging) != 0
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}
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func (gds *ghostdagDataStore) Discard() {
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gds.staging = make(map[externalapi.DomainHash]*model.BlockGHOSTDAGData)
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}
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func (gds *ghostdagDataStore) Commit(dbTx model.DBTransaction) error {
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for hash, blockGHOSTDAGData := range gds.staging {
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err := dbTx.Put(gds.hashAsKey(&hash), gds.serializeBlockGHOSTDAGData(blockGHOSTDAGData))
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if err != nil {
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return err
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}
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}
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gds.Discard()
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return nil
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}
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// Get gets the blockGHOSTDAGData associated with the given blockHash
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func (gds *ghostdagDataStore) Get(dbContext model.DBReader, blockHash *externalapi.DomainHash) (*model.BlockGHOSTDAGData, error) {
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if blockGHOSTDAGData, ok := gds.staging[*blockHash]; ok {
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return blockGHOSTDAGData, nil
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}
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blockGHOSTDAGDataBytes, err := dbContext.Get(gds.hashAsKey(blockHash))
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if err != nil {
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return nil, err
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}
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return gds.deserializeBlockGHOSTDAGData(blockGHOSTDAGDataBytes)
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}
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func (gds *ghostdagDataStore) hashAsKey(hash *externalapi.DomainHash) model.DBKey {
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return bucket.Key(hash[:])
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}
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func (gds *ghostdagDataStore) serializeBlockGHOSTDAGData(blockGHOSTDAGData *model.BlockGHOSTDAGData) []byte {
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panic("implement me")
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}
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func (gds *ghostdagDataStore) deserializeBlockGHOSTDAGData(blockGHOSTDAGDataBytes []byte) (*model.BlockGHOSTDAGData, error) {
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panic("implement me")
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}
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