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| author | Péter Szilágyi <peterke@gmail.com> | 2019-04-05 18:09:28 +0800 |
|---|---|---|
| committer | Péter Szilágyi <peterke@gmail.com> | 2019-04-08 17:00:42 +0800 |
| commit | 80a2a35bc3aaf208b5f91a1fb1d803975d4bb01c (patch) | |
| tree | da13b1a8f5b9539dc42e6c36075ffcd51f8e969a /trie/database.go | |
| parent | fca5f9fd6fc8a45166ff21cbb41df9e2005dc314 (diff) | |
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trie: there's no point in retrieving the metaroot
Diffstat (limited to 'trie/database.go')
| -rw-r--r-- | trie/database.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/trie/database.go b/trie/database.go index 739a98add..c39af85cf 100644 --- a/trie/database.go +++ b/trie/database.go @@ -17,6 +17,7 @@ package trie import ( + "errors" "fmt" "io" "sync" @@ -391,6 +392,10 @@ func (db *Database) node(hash common.Hash, cachegen uint16) node { // Node retrieves an encoded cached trie node from memory. If it cannot be found // cached, the method queries the persistent database for the content. func (db *Database) Node(hash common.Hash) ([]byte, error) { + // It doens't make sense to retrieve the metaroot + if hash == (common.Hash{}) { + return nil, errors.New("not found") + } // Retrieve the node from the clean cache if available if db.cleans != nil { if enc, err := db.cleans.Get(string(hash[:])); err == nil && enc != nil { |