forked from cerc-io/plugeth
trie: reduce allocs in insertPreimage (#21261)
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@ -349,14 +349,15 @@ func (db *Database) insert(hash common.Hash, size int, node node) {
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}
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// insertPreimage writes a new trie node pre-image to the memory database if it's
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// yet unknown. The method will make a copy of the slice.
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// yet unknown. The method will NOT make a copy of the slice,
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// only use if the preimage will NOT be changed later on.
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//
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// Note, this method assumes that the database's lock is held!
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func (db *Database) insertPreimage(hash common.Hash, preimage []byte) {
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if _, ok := db.preimages[hash]; ok {
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return
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}
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db.preimages[hash] = common.CopyBytes(preimage)
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db.preimages[hash] = preimage
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db.preimagesSize += common.StorageSize(common.HashLength + len(preimage))
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}
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