cita_state/
err.rs

1#[derive(Clone, Debug, PartialEq, Eq)]
2pub enum Error {
3    Trie(String),
4    RLP(rlp::DecoderError),
5    DB(String),
6    NotFound,
7    BalanceError,
8}
9
10impl std::error::Error for Error {}
11impl std::fmt::Display for Error {
12    fn fmt(&self, f: &mut std::fmt::Formatter) -> std::fmt::Result {
13        match self {
14            Error::Trie(e) => return write!(f, "state trie: {}", e),
15            Error::RLP(e) => return write!(f, "state rlp: {}", e),
16            Error::DB(e) => return write!(f, "state db: {}", e),
17            Error::NotFound => return write!(f, "state: not found"),
18            Error::BalanceError => return write!(f, "state: balance error"),
19        }
20    }
21}
22
23impl From<cita_trie::TrieError> for Error {
24    fn from(error: cita_trie::TrieError) -> Self {
25        Error::Trie(format!("{}", error))
26    }
27}
28
29impl From<rlp::DecoderError> for Error {
30    fn from(error: rlp::DecoderError) -> Self {
31        Error::RLP(error)
32    }
33}