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triedb/pathdb: fix panic in recoverable

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This commit is contained in:
Gary Rong 2024-02-28 15:31:13 +08:00
parent 57d2b552c7
commit 38cd21ac89
1 changed files with 8 additions and 6 deletions
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14
triedb/pathdb/database.go
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@ -377,10 +377,10 @@ func (db *Database) Recover(root common.Hash, loader triestate.TrieLoader) error
}
// Recoverable returns the indicator if the specified state is recoverable.
func (db *Database) Recoverable(root common.Hash) bool {
func (db *Database) Recoverable(dest common.Hash) bool {
// Ensure the requested state is a known state.
root = types.TrieRootHash(root)
id := rawdb.ReadStateID(db.diskdb, root)
dest = types.TrieRootHash(dest)
id := rawdb.ReadStateID(db.diskdb, dest)
if id == nil {
return false
}
@ -391,17 +391,19 @@ func (db *Database) Recoverable(root common.Hash) bool {
if *id >= dl.stateID() {
return false
}
if db.freezer == nil {
return false
}
// Ensure the requested state is a canonical state and all state
// histories in range [id+1, disklayer.ID] are present and complete.
parent := root
return checkHistories(db.freezer, *id+1, dl.stateID()-*id, func(m *meta) error {
if m.parent != parent {
if m.parent != dest {
return errors.New("unexpected state history")
}
if len(m.incomplete) > 0 {
return errors.New("incomplete state history")
}
parent = m.root
dest = m.root
return nil
}) == nil
}