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Use Cached Finalized State When Pruning Deposits (#9985)

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* use cached finalized state

* Minor grammar edits

* fmt

Co-authored-by: terence tsao <terence@prysmaticlabs.com>
This commit is contained in:
Nishant Das
2021-12-06 20:38:23 +08:00
committed by GitHub
parent 03bf463d0f
commit c9f5f8dad5
1 changed files with 16 additions and 3 deletions
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19
beacon-chain/powchain/log_processing.go
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@@ -23,6 +23,7 @@ import (
"github.com/prysmaticlabs/prysm/encoding/bytesutil"
ethpb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
protodb "github.com/prysmaticlabs/prysm/proto/prysm/v1alpha1"
"github.com/prysmaticlabs/prysm/time/slots"
"github.com/sirupsen/logrus"
)
@@ -374,9 +375,21 @@ func (s *Service) processPastLogs(ctx context.Context) error {
if fRoot == params.BeaconConfig().ZeroHash {
return nil
}
fState, err := s.cfg.stateGen.StateByRoot(ctx, fRoot)
if err != nil {
return err
fState := s.cfg.finalizedStateAtStartup
isNil := fState == nil || fState.IsNil()
// If processing past logs take a long time, we
// need to check if this is the correct finalized
// state we are referring to and whether our cached
// finalized state is referring to our current finalized checkpoint.
// The current code does ignore an edge case where the finalized
// block is in a different epoch from the checkpoint's epoch.
// This only happens in skipped slots, so pruning it is not an issue.
if isNil || slots.ToEpoch(fState.Slot()) != c.Epoch {
fState, err = s.cfg.stateGen.StateByRoot(ctx, fRoot)
if err != nil {
return err
}
}
if fState != nil && !fState.IsNil() && fState.Eth1DepositIndex() > 0 {
s.cfg.depositCache.PrunePendingDeposits(ctx, int64(fState.Eth1DepositIndex()))