prysm-pulse/beacon-chain/cache/state_summary.go

66 lines
2.0 KiB
Go
Raw Normal View History

package cache
import (
"sync"
pb "github.com/prysmaticlabs/prysm/proto/beacon/p2p/v1"
)
// StateSummaryCache caches state summary object.
type StateSummaryCache struct {
initSyncStateSummaries map[[32]byte]*pb.StateSummary
initSyncStateSummariesLock sync.RWMutex
}
// NewStateSummaryCache creates a new state summary cache.
func NewStateSummaryCache() *StateSummaryCache {
return &StateSummaryCache{
initSyncStateSummaries: make(map[[32]byte]*pb.StateSummary),
}
}
// Put saves a state summary to the initial sync state summaries cache.
func (s *StateSummaryCache) Put(r [32]byte, b *pb.StateSummary) {
s.initSyncStateSummariesLock.Lock()
defer s.initSyncStateSummariesLock.Unlock()
s.initSyncStateSummaries[r] = b
}
// Has checks if a state summary exists in the initial sync state summaries cache using the root
// of the block.
func (s *StateSummaryCache) Has(r [32]byte) bool {
s.initSyncStateSummariesLock.RLock()
defer s.initSyncStateSummariesLock.RUnlock()
_, ok := s.initSyncStateSummaries[r]
return ok
}
// Get retrieves a state summary from the initial sync state summaries cache using the root of
// the block.
func (s *StateSummaryCache) Get(r [32]byte) *pb.StateSummary {
s.initSyncStateSummariesLock.RLock()
defer s.initSyncStateSummariesLock.RUnlock()
b := s.initSyncStateSummaries[r]
return b
}
// GetAll retrieves all the beacon state summaries from the initial sync state summaries cache, the returned
// state summaries are unordered.
func (s *StateSummaryCache) GetAll() []*pb.StateSummary {
s.initSyncStateSummariesLock.RLock()
defer s.initSyncStateSummariesLock.RUnlock()
summaries := make([]*pb.StateSummary, 0, len(s.initSyncStateSummaries))
for _, b := range s.initSyncStateSummaries {
summaries = append(summaries, b)
}
return summaries
}
// Clear clears out the initial sync state summaries cache.
func (s *StateSummaryCache) Clear() {
s.initSyncStateSummariesLock.Lock()
defer s.initSyncStateSummariesLock.Unlock()
s.initSyncStateSummaries = make(map[[32]byte]*pb.StateSummary)
}