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preallocate slice capacity #2631

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Merged
ucwong merged 1 commit into from
Feb 3, 2026
Merged

preallocate slice capacity #2631

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12 changes: 6 additions & 6 deletions trie/secure_trie.go
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Original file line number Diff line number Diff line change
Expand Up @@ -133,19 +133,19 @@ func (t *StateTrie) TryGet(key []byte) ([]byte, error) {
// PrefetchAccount attempts to resolve specific accounts from the database
// to accelerate subsequent trie operations.
func (t *StateTrie) PrefetchAccount(addresses []common.Address) error {
var keys [][]byte
for _, addr := range addresses {
keys = append(keys, crypto.Keccak256(addr.Bytes()))
keys := make([][]byte, len(addresses))
for i, addr := range addresses {
keys[i] = crypto.Keccak256(addr.Bytes())
}
return t.trie.Prefetch(keys)
}

// PrefetchStorage attempts to resolve specific storage slots from the database
// to accelerate subsequent trie operations.
func (t *StateTrie) PrefetchStorage(_ common.Address, keys [][]byte) error {
var keylist [][]byte
for _, key := range keys {
keylist = append(keylist, crypto.Keccak256(key))
keylist := make([][]byte, len(keys))
for i, key := range keys {
keylist[i] = crypto.Keccak256(key)
}
return t.trie.Prefetch(keylist)
}
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