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Revert "Remove Excess State Copies" (#6240)

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* Revert "remove excess copies (#6142)"

This reverts commit c956905cf0.
This commit is contained in:
Nishant Das 2020-06-14 14:34:33 +08:00 committed by GitHub
parent 4c66edf2c2
commit 0067e52b1e
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 4 deletions
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10
beacon-chain/blockchain/process_attestation_helpers.go
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@ -45,6 +45,7 @@ func (s *Service) getAttPreState(ctx context.Context, c *ethpb.Checkpoint) (*sta
}
if helpers.StartSlot(c.Epoch) > baseState.Slot() {
baseState = baseState.Copy()
baseState, err = state.ProcessSlots(ctx, baseState, helpers.StartSlot(c.Epoch))
if err != nil {
return nil, errors.Wrapf(err, "could not process slots up to %d", helpers.StartSlot(c.Epoch))
@ -90,22 +91,23 @@ func (s *Service) getAttPreState(ctx context.Context, c *ethpb.Checkpoint) (*sta
}
if helpers.StartSlot(c.Epoch) > baseState.Slot() {
baseState, err = state.ProcessSlots(ctx, baseState, helpers.StartSlot(c.Epoch))
savedState := baseState.Copy()
savedState, err = state.ProcessSlots(ctx, savedState, helpers.StartSlot(c.Epoch))
if err != nil {
return nil, errors.Wrapf(err, "could not process slots up to %d", helpers.StartSlot(c.Epoch))
}
if err := s.checkpointState.AddCheckpointState(&cache.CheckpointState{
Checkpoint: c,
State: baseState,
State: savedState.Copy(),
}); err != nil {
return nil, errors.Wrap(err, "could not saved checkpoint state to cache")
}
return baseState, nil
return savedState, nil
}
if err := s.checkpointState.AddCheckpointState(&cache.CheckpointState{
Checkpoint: c,
State: baseState,
State: baseState.Copy(),
}); err != nil {
return nil, errors.Wrap(err, "could not saved checkpoint state to cache")
}