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trie: optimize local node check

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This commit is contained in:
Felix Lange 2017-07-15 01:37:11 +02:00
parent 52e7b2a9c8
commit 8e93c3e7a3
2 changed files with 3 additions and 3 deletions
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5
trie/sync.go
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@ -138,7 +138,7 @@ func (s *TrieSync) AddRawEntry(hash common.Hash, depth int, parent common.Hash)
if _, ok := s.membatch.batch[hash]; ok {
return
}
if blob, _ := s.database.Get(hash.Bytes()); blob != nil {
if ok, _ := s.database.Has(hash.Bytes()); ok {
return
}
// Assemble the new sub-trie sync request
@ -296,8 +296,7 @@ func (s *TrieSync) children(req *request, object node) ([]*request, error) {
if _, ok := s.membatch.batch[hash]; ok {
continue
}
blob, _ := s.database.Get(node)
if local, err := decodeNode(node[:], blob, 0); local != nil && err == nil {
if ok, _ := s.database.Has(node); ok {
continue
}
// Locally unknown node, schedule for retrieval

1
trie/trie.go
View file

@ -66,6 +66,7 @@ type Database interface {
// DatabaseReader wraps the Get method of a backing store for the trie.
type DatabaseReader interface {
Get(key []byte) (value []byte, err error)
Has(key []byte) (bool, error)
}
// DatabaseWriter wraps the Put method of a backing store for the trie.