import
  ../common/hashes_rlp

export hashes_rlp

type
  TrieError* = object of CatchableError
    # A common base type of all Trie errors.

  PersistenceFailure* = object of TrieError
    # The backing database of the trie was not able to carry out
    # the storage or retrieval request.

  CorruptedTrieDatabase* = object of Defect
    # We consider this a Defect, because the software cannot safely
    # operate if its database has been tampered with. A swift crash
    # will be a more appropriate response.

const
  emptyRlp* = @[128.byte]
  emptyRlpHash* = hash32"56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421"