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nil out layers when dropping to allow for GC

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This commit is contained in:
Jeromy 2020-04-02 18:20:49 -07:00
parent 212c346c21
commit 89b15c03cf
1 changed files with 1 additions and 0 deletions
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1
chain/state/statetree.go
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@ -50,6 +50,7 @@ func (ss *stateSnaps) addLayer() {
} }
func (ss *stateSnaps) dropLayer() { func (ss *stateSnaps) dropLayer() {
ss.layers[len(ss.layers)-1] = nil // allow it to be GCed
ss.layers = ss.layers[:len(ss.layers)-1] ss.layers = ss.layers[:len(ss.layers)-1]
} }