tornadocontrib/go-ethereum
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

trie: reduce allocs in insertPreimage (#21261)

Browse Source
This commit is contained in:
Marius van der Wijden 2020-06-24 19:56:27 +00:00 committed by GitHub
parent 93142e50c3
commit b482423e61
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
trie/database.go
View File

@ -349,14 +349,15 @@ func (db *Database) insert(hash common.Hash, size int, node node) {
}
// 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.
// 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))
}