forked from Pyrinpyi/pyipad
/
acceptance_data_staging_shard.go
50 lines (43 loc) · 1.41 KB
/
acceptance_data_staging_shard.go
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package acceptancedatastore
import (
"github.com/e4p1k0/pyipad/domain/consensus/model"
"github.com/e4p1k0/pyipad/domain/consensus/model/externalapi"
)
type acceptanceDataStagingShard struct {
store *acceptanceDataStore
toAdd map[externalapi.DomainHash]externalapi.AcceptanceData
toDelete map[externalapi.DomainHash]struct{}
}
func (ads *acceptanceDataStore) stagingShard(stagingArea *model.StagingArea) *acceptanceDataStagingShard {
return stagingArea.GetOrCreateShard(ads.shardID, func() model.StagingShard {
return &acceptanceDataStagingShard{
store: ads,
toAdd: make(map[externalapi.DomainHash]externalapi.AcceptanceData),
toDelete: make(map[externalapi.DomainHash]struct{}),
}
}).(*acceptanceDataStagingShard)
}
func (adss *acceptanceDataStagingShard) Commit(dbTx model.DBTransaction) error {
for hash, acceptanceData := range adss.toAdd {
acceptanceDataBytes, err := adss.store.serializeAcceptanceData(acceptanceData)
if err != nil {
return err
}
err = dbTx.Put(adss.store.hashAsKey(&hash), acceptanceDataBytes)
if err != nil {
return err
}
adss.store.cache.Add(&hash, acceptanceData)
}
for hash := range adss.toDelete {
err := dbTx.Delete(adss.store.hashAsKey(&hash))
if err != nil {
return err
}
adss.store.cache.Remove(&hash)
}
return nil
}
func (adss *acceptanceDataStagingShard) isStaged() bool {
return len(adss.toAdd) != 0 || len(adss.toDelete) != 0
}