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core: assign zero after resize in implementations of heap.Interface #26296 (#1841)

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Daniel Liu 2025-12-11 18:48:55 +08:00 committed by GitHub
parent d75f2822d3
commit d3e994377b
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2 changed files with 2 additions and 0 deletions
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1
core/txpool/list.go
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@ -46,6 +46,7 @@ func (h *nonceHeap) Pop() interface{} {
old := *h old := *h
n := len(old) n := len(old)
x := old[n-1] x := old[n-1]
old[n-1] = 0 // avoid memory leak
*h = old[0 : n-1] *h = old[0 : n-1]
return x return x
} }

1
core/types/transaction.go
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@ -704,6 +704,7 @@ func (s *TxByPriceAndTime) Pop() interface{} {
old := s.txs old := s.txs
n := len(old) n := len(old)
x := old[n-1] x := old[n-1]
old[n-1] = nil // avoid memory leak
s.txs = old[0 : n-1] s.txs = old[0 : n-1]
return x return x
} }