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core/types: prealloc map in HashDifference as in TxDifference (#32946)

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cui 2025-10-20 10:35:14 +08:00 committed by GitHub
parent 11c0fb98af
commit 69df6bb8d5
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core/types/transaction.go
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@ -648,7 +648,7 @@ func TxDifference(a, b Transactions) Transactions {
func HashDifference(a, b []common.Hash) []common.Hash { func HashDifference(a, b []common.Hash) []common.Hash {
keep := make([]common.Hash, 0, len(a)) keep := make([]common.Hash, 0, len(a))
remove := make(map[common.Hash]struct{}) remove := make(map[common.Hash]struct{}, len(b))
for _, hash := range b { for _, hash := range b {
remove[hash] = struct{}{} remove[hash] = struct{}{}
} }