forks/go-ethereum
1
0
Fork 1
mirror of https://github.com/ethereum/go-ethereum.git synced 2026-06-19 21:31:37 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

trie: reduce allocs in insertPreimage (#21261) (#943)

Browse source 
Co-authored-by: Marius van der Wijden <m.vanderwijden@live.de>
This commit is contained in:
Daniel Liu 2025-04-16 17:08:31 +08:00 committed by GitHub
parent c91a67c4c0
commit bf893cb73b
No known key found for this signature in database
GPG key ID: B5690EEEBB952194
1 changed files with 4 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

7
trie/database.go
View file

@ -323,15 +323,16 @@ func (db *Database) insert(hash common.Hash, size int, node node) {
db.dirtiesSize += common.StorageSize(common.HashLength + entry.size)
}
// InsertPreimage writes a new trie Node pre-image to the memory database if it's
// yet unknown. The method will make a copy of the slice.
// insertPreimage writes a new trie node pre-image to the memory database if it's
// yet unknown. The method will NOT make a copy of the slice,
// only use if the preimage will NOT be changed later on.
//
// Note, this method assumes that the database's Lock is held!
func (db *Database) InsertPreimage(hash common.Hash, preimage []byte) {
if _, ok := db.preimages[hash]; ok {
return
}
db.preimages[hash] = common.CopyBytes(preimage)
db.preimages[hash] = preimage
db.preimagesSize += common.StorageSize(common.HashLength + len(preimage))
}