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| author | Péter Szilágyi <peterke@gmail.com> | 2018-08-08 22:16:38 +0800 |
|---|---|---|
| committer | Péter Szilágyi <peterke@gmail.com> | 2018-08-09 17:33:30 +0800 |
| commit | 11bbc660823246b9fc25e4b994121e30a9f17306 (patch) | |
| tree | 04d6661dd289de85dc66eb29ccb6b9e5083139d5 /trie/database.go | |
| parent | 8051a0768a2af6c36b04ffa6fb225a45986d9b89 (diff) | |
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eth, trie: fix tracer GC which accidentally pruned 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 7df45fe2d..d0691b637 100644 --- a/trie/database.go +++ b/trie/database.go @@ -431,6 +431,11 @@ func (db *Database) reference(child common.Hash, parent common.Hash) { // Dereference removes an existing reference from a root node. func (db *Database) Dereference(root common.Hash) { + // Sanity check to ensure that the meta-root is not removed + if root == (common.Hash{}) { + log.Error("Attempted to dereference the trie cache meta root") + return + } db.lock.Lock() defer db.lock.Unlock() |