forks/go-ethereum
1
0
Fork 1
mirror of https://github.com/ethereum/go-ethereum.git synced 2026-08-19 18:32:23 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 1

avoid copy the whole slice

Browse source
This commit is contained in:
maskpp 2024-06-29 21:50:17 +08:00
parent 7cfff30ba3
commit c1579c907f
1 changed files with 5 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

9
eth/catalyst/queue.go
View file

@ -134,11 +134,11 @@ func (q *headerQueue) put(hash common.Hash, data *types.Header) {
q.lock.Lock() q.lock.Lock()
defer q.lock.Unlock() defer q.lock.Unlock()
copy(q.headers[1:], q.headers) q.headers = append(q.headers, &headerQueueItem{
q.headers[0] = &headerQueueItem{
hash: hash, hash: hash,
header: data, header: data,
} })
q.headers = q.headers[1:]
} }
// get retrieves a previously stored header item or nil if it does not exist. // get retrieves a previously stored header item or nil if it does not exist.
@ -146,7 +146,8 @@ func (q *headerQueue) get(hash common.Hash) *types.Header {
q.lock.RLock() q.lock.RLock()
defer q.lock.RUnlock() defer q.lock.RUnlock()
for _, item := range q.headers { for i := len(q.headers) - 1; i >= 0; i-- {
item := q.headers[i]
if item == nil { if item == nil {
return nil // no more items return nil // no more items
} }