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| author | Péter Szilágyi <peterke@gmail.com> | 2019-04-08 21:16:05 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-04-08 21:16:05 +0800 |
| commit | 4e13a09c5033b4cf073db6aeaaa7d159dcf07f30 (patch) | |
| tree | 0f64daac335200ce6fd45d6ee9f62dabc0fb1887 /trie/database.go | |
| parent | c942700427557e3ff6de3aaf6b916e2f056c1ec2 (diff) | |
| parent | 009d2fe2d650b1a92e28f0decbf5f7fa628779e9 (diff) | |
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Merge pull request #19370 from karalabe/geth-1.8.24v1.8.24
Backport PR for the v1.8.24 maintenance release
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 { |