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core/state: optimize GetState

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There is no need to use the reflection-based decoder to decode []byte.
This commit is contained in:
Felix Lange 2016-10-05 22:56:07 +02:00
parent 90fce8bfa6
commit 3c836dd71b
1 changed files with 7 additions and 5 deletions
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12
core/state/state_object.go
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@ -153,10 +153,13 @@ func (self *StateObject) GetState(db trie.Database, key common.Hash) common.Hash
return value
}
// Load from DB in case it is missing.
tr := self.getTrie(db)
var ret []byte
rlp.DecodeBytes(tr.Get(key[:]), &ret)
value = common.BytesToHash(ret)
if enc := self.getTrie(db).Get(key[:]); len(enc) > 0 {
_, content, _, err := rlp.Split(enc)
if err != nil {
self.setError(err)
}
value.SetBytes(content)
}
if (value != common.Hash{}) {
self.cachedStorage[key] = value
}
@ -209,7 +212,6 @@ func (self *StateObject) updateRoot(db trie.Database) {
func (self *StateObject) CommitTrie(db trie.Database, dbw trie.DatabaseWriter) error {
self.updateTrie(db)
if self.dbErr != nil {
fmt.Println("dbErr:", self.dbErr)
return self.dbErr
}
root, err := self.trie.CommitTo(dbw)