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| author | Péter Szilágyi <peterke@gmail.com> | 2018-07-31 15:41:53 +0800 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2018-07-31 15:41:53 +0800 |
| commit | d927cbb638419866de47929a723b5f2b8922c88e (patch) | |
| tree | 798c86ec08194fe5d0dc4afd8e0a1506dcd51687 | |
| parent | 2fbc454355f6214aee6b9480819e1a4d65bb6fcf (diff) | |
| parent | 8a9c31a30766eb40bebadfefe0845fac6c9b54a1 (diff) | |
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Merge pull request #17282 from karalabe/trie-flushlist-fixes
trie: handle removing the freshest node too
| -rw-r--r-- | trie/database.go | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/trie/database.go b/trie/database.go index df7fc01ea..8675b9f0a 100644 --- a/trie/database.go +++ b/trie/database.go @@ -475,9 +475,14 @@ func (db *Database) dereference(child common.Hash, parent common.Hash) { } if node.parents == 0 { // Remove the node from the flush-list - if child == db.oldest { + switch child { + case db.oldest: db.oldest = node.flushNext - } else { + db.nodes[node.flushNext].flushPrev = common.Hash{} + case db.newest: + db.newest = node.flushPrev + db.nodes[node.flushPrev].flushNext = common.Hash{} + default: db.nodes[node.flushPrev].flushNext = node.flushNext db.nodes[node.flushNext].flushPrev = node.flushPrev } @@ -697,9 +702,14 @@ func (db *Database) uncache(hash common.Hash) { return } // Node still exists, remove it from the flush-list - if hash == db.oldest { + switch hash { + case db.oldest: db.oldest = node.flushNext - } else { + db.nodes[node.flushNext].flushPrev = common.Hash{} + case db.newest: + db.newest = node.flushPrev + db.nodes[node.flushPrev].flushNext = common.Hash{} + default: db.nodes[node.flushPrev].flushNext = node.flushNext db.nodes[node.flushNext].flushPrev = node.flushPrev } |