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trie: avoid unnecessary slicing on shortnode decoding (#16917)

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optimization code
This commit is contained in:
Sarlor 2018-06-07 16:48:36 +08:00 committed by Péter Szilágyi
parent feb6620c34
commit ea06da0892
1 changed files with 3 additions and 4 deletions
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7
trie/encoding.go
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@ -53,10 +53,9 @@ func hexToCompact(hex []byte) []byte {
func compactToHex(compact []byte) []byte {
base := keybytesToHex(compact)
base = base[:len(base)-1]
// apply terminator flag
if base[0] >= 2 {
base = append(base, 16)
// delete terminator flag
if base[0] < 2 {
base = base[:len(base)-1]
}
// apply odd flag
chop := 2 - base[0]&1