kaspa_database/
errors.rs

1use crate::prelude::DbKey;
2use kaspa_hashes::Hash;
3use thiserror::Error;
4
5#[derive(Error, Debug)]
6pub enum StoreError {
7    #[error("key {0} not found in store")]
8    KeyNotFound(DbKey),
9
10    #[error("key {0} already exists in store")]
11    KeyAlreadyExists(String),
12
13    /// Specialization of key not found for the common `Hash` case.
14    /// Added for avoiding the `String` allocation
15    #[error("hash {0} already exists in store")]
16    HashAlreadyExists(Hash),
17
18    #[error("data inconsistency: {0}")]
19    DataInconsistency(String),
20
21    #[error("rocksdb error {0}")]
22    DbError(#[from] rocksdb::Error),
23
24    #[error("bincode error {0}")]
25    DeserializationError(#[from] Box<bincode::ErrorKind>),
26}
27
28pub type StoreResult<T> = std::result::Result<T, StoreError>;
29
30pub trait StoreResultExtensions<T> {
31    /// Unwrap or assert that the error is key not fund in which case `None` is returned
32    fn unwrap_option(self) -> Option<T>;
33}
34
35impl<T> StoreResultExtensions<T> for StoreResult<T> {
36    fn unwrap_option(self) -> Option<T> {
37        match self {
38            Ok(value) => Some(value),
39            Err(StoreError::KeyNotFound(_)) => None,
40            Err(err) => panic!("Unexpected store error: {err:?}"),
41        }
42    }
43}
44
45pub trait StoreResultEmptyTuple {
46    /// Unwrap or assert that the error is key already exists
47    fn unwrap_or_exists(self);
48}
49
50impl StoreResultEmptyTuple for StoreResult<()> {
51    fn unwrap_or_exists(self) {
52        match self {
53            Ok(_) => (),
54            Err(StoreError::KeyAlreadyExists(_)) | Err(StoreError::HashAlreadyExists(_)) => (),
55            Err(err) => panic!("Unexpected store error: {err:?}"),
56        }
57    }
58}
kaspa_database/errors.rs

kaspa_database/
errors.rs
