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DB: Do not allow attempts to save a nil state #4758

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merged 2 commits into from Feb 5, 2020
Merged

DB: Do not allow attempts to save a nil state #4758

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0e7c5ca
Do not attempt to save a nil state
prestonvanloon Feb 5, 2020
f8090c9
Merge branch 'master' into nil-state-check
prestonvanloon Feb 5, 2020
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3 changes: 3 additions & 0 deletions beacon-chain/db/kv/state.go
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Expand Up @@ -106,6 +106,9 @@ func (k *Store) GenesisState(ctx context.Context) (*state.BeaconState, error) {
func (k *Store) SaveState(ctx context.Context, state *state.BeaconState, blockRoot [32]byte) error {
ctx, span := trace.StartSpan(ctx, "BeaconDB.SaveState")
defer span.End()
if state == nil {
return errors.New("nil state")
}
enc, err := encode(state.InnerStateUnsafe())
if err != nil {
return err
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