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Convert the chainstore lock to RW #5971

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merged 1 commit into from
Apr 6, 2021
Merged

Convert the chainstore lock to RW #5971

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11 changes: 6 additions & 5 deletions chain/store/store.go
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Original file line number Diff line number Diff line change
Expand Up @@ -113,7 +113,7 @@ type ChainStore struct {

chainLocalBlockstore bstore.Blockstore

heaviestLk sync.Mutex
heaviestLk sync.RWMutex
heaviest *types.TipSet

bestTips *pubsub.PubSub
Expand Down Expand Up @@ -775,10 +775,11 @@ func ReorgOps(lts func(types.TipSetKey) (*types.TipSet, error), a, b *types.TipS
}

// GetHeaviestTipSet returns the current heaviest tipset known (i.e. our head).
func (cs *ChainStore) GetHeaviestTipSet() *types.TipSet {
cs.heaviestLk.Lock()
defer cs.heaviestLk.Unlock()
return cs.heaviest
func (cs *ChainStore) GetHeaviestTipSet() (ts *types.TipSet) {
cs.heaviestLk.RLock()
ts = cs.heaviest
cs.heaviestLk.RUnlock()
return
}

func (cs *ChainStore) AddToTipSetTracker(b *types.BlockHeader) error {
Expand Down